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- Use FFmpeg 1.2 on Windows 

- Fix issue 274
This commit is contained in:
bossiel 2013-05-24 19:33:16 +00:00
parent 4bfa114fe9
commit 06ad4eb190
173 changed files with 15236 additions and 9178 deletions
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5
branches/2.0/doubango/bindings/csharp/MediaSessionMgr.cs
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@ -119,6 +119,11 @@ public class MediaSessionMgr : IDisposable {
return ret;
}
public static bool defaultsSetBandwidthVideoUploadMax(int bw_video_up_max_kbps) {
bool ret = tinyWRAPPINVOKE.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(bw_video_up_max_kbps);
return ret;
}
public static bool defaultsSetPrefVideoSize(tmedia_pref_video_size_t pref_video_size) {
bool ret = tinyWRAPPINVOKE.MediaSessionMgr_defaultsSetPrefVideoSize((int)pref_video_size);
return ret;

3
branches/2.0/doubango/bindings/csharp/tinyWRAPPINVOKE.cs
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@ -336,6 +336,9 @@ class tinyWRAPPINVOKE {
[DllImport("tinyWRAP", EntryPoint="CSharp_MediaSessionMgr_defaultsGetBandwidthLevel")]
public static extern int MediaSessionMgr_defaultsGetBandwidthLevel();
[DllImport("tinyWRAP", EntryPoint="CSharp_MediaSessionMgr_defaultsSetBandwidthVideoUploadMax")]
public static extern bool MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(int jarg1);
[DllImport("tinyWRAP", EntryPoint="CSharp_MediaSessionMgr_defaultsSetPrefVideoSize")]
public static extern bool MediaSessionMgr_defaultsSetPrefVideoSize(int jarg1);

12
branches/2.0/doubango/bindings/csharp/tinyWRAP_wrap.cxx
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@ -1806,6 +1806,18 @@ SWIGEXPORT int SWIGSTDCALL CSharp_MediaSessionMgr_defaultsGetBandwidthLevel() {
}
SWIGEXPORT unsigned int SWIGSTDCALL CSharp_MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(int jarg1) {
unsigned int jresult ;
int32_t arg1 ;
bool result;
arg1 = (int32_t)jarg1;
result = (bool)MediaSessionMgr::defaultsSetBandwidthVideoUploadMax(arg1);
jresult = result;
return jresult;
}
SWIGEXPORT unsigned int SWIGSTDCALL CSharp_MediaSessionMgr_defaultsSetPrefVideoSize(int jarg1) {
unsigned int jresult ;
tmedia_pref_video_size_t arg1 ;

4
branches/2.0/doubango/bindings/java/MediaSessionMgr.java
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@ -98,6 +98,10 @@ public class MediaSessionMgr {
return tmedia_bandwidth_level_t.swigToEnum(tinyWRAPJNI.MediaSessionMgr_defaultsGetBandwidthLevel());
}
public static boolean defaultsSetBandwidthVideoUploadMax(int bw_video_up_max_kbps) {
return tinyWRAPJNI.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(bw_video_up_max_kbps);
}
public static boolean defaultsSetPrefVideoSize(tmedia_pref_video_size_t pref_video_size) {
return tinyWRAPJNI.MediaSessionMgr_defaultsSetPrefVideoSize(pref_video_size.swigValue());
}

4
branches/2.0/doubango/bindings/java/android/MediaSessionMgr.java
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@ -98,6 +98,10 @@ public class MediaSessionMgr {
return tmedia_bandwidth_level_t.swigToEnum(tinyWRAPJNI.MediaSessionMgr_defaultsGetBandwidthLevel());
}
public static boolean defaultsSetBandwidthVideoUploadMax(int bw_video_up_max_kbps) {
return tinyWRAPJNI.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(bw_video_up_max_kbps);
}
public static boolean defaultsSetPrefVideoSize(tmedia_pref_video_size_t pref_video_size) {
return tinyWRAPJNI.MediaSessionMgr_defaultsSetPrefVideoSize(pref_video_size.swigValue());
}

1
branches/2.0/doubango/bindings/java/android/tinyWRAPJNI.java
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@ -59,6 +59,7 @@ public class tinyWRAPJNI {
public final static native int MediaSessionMgr_defaultsGetProfile();
public final static native boolean MediaSessionMgr_defaultsSetBandwidthLevel(int jarg1);
public final static native int MediaSessionMgr_defaultsGetBandwidthLevel();
public final static native boolean MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(int jarg1);
public final static native boolean MediaSessionMgr_defaultsSetPrefVideoSize(int jarg1);
public final static native boolean MediaSessionMgr_defaultsSetJbMargin(long jarg1);
public final static native boolean MediaSessionMgr_defaultsSetJbMaxLateRate(long jarg1);

14
branches/2.0/doubango/bindings/java/android/tinyWRAP_wrap.cxx
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@ -2841,6 +2841,20 @@ SWIGEXPORT jint JNICALL Java_org_doubango_tinyWRAP_tinyWRAPJNI_MediaSessionMgr_1
}
SWIGEXPORT jboolean JNICALL Java_org_doubango_tinyWRAP_tinyWRAPJNI_MediaSessionMgr_1defaultsSetBandwidthVideoUploadMax(JNIEnv *jenv, jclass jcls, jint jarg1) {
jboolean jresult = 0 ;
int32_t arg1 ;
bool result;
(void)jenv;
(void)jcls;
arg1 = (int32_t)jarg1;
result = (bool)MediaSessionMgr::defaultsSetBandwidthVideoUploadMax(arg1);
jresult = (jboolean)result;
return jresult;
}
SWIGEXPORT jboolean JNICALL Java_org_doubango_tinyWRAP_tinyWRAPJNI_MediaSessionMgr_1defaultsSetPrefVideoSize(JNIEnv *jenv, jclass jcls, jint jarg1) {
jboolean jresult = 0 ;
tmedia_pref_video_size_t arg1 ;

1
branches/2.0/doubango/bindings/java/tinyWRAPJNI.java
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@ -59,6 +59,7 @@ public class tinyWRAPJNI {
public final static native int MediaSessionMgr_defaultsGetProfile();
public final static native boolean MediaSessionMgr_defaultsSetBandwidthLevel(int jarg1);
public final static native int MediaSessionMgr_defaultsGetBandwidthLevel();
public final static native boolean MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(int jarg1);
public final static native boolean MediaSessionMgr_defaultsSetPrefVideoSize(int jarg1);
public final static native boolean MediaSessionMgr_defaultsSetJbMargin(long jarg1);
public final static native boolean MediaSessionMgr_defaultsSetJbMaxLateRate(long jarg1);

14
branches/2.0/doubango/bindings/java/tinyWRAP_wrap.cxx
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@ -2841,6 +2841,20 @@ SWIGEXPORT jint JNICALL Java_org_doubango_tinyWRAP_tinyWRAPJNI_MediaSessionMgr_1
}
SWIGEXPORT jboolean JNICALL Java_org_doubango_tinyWRAP_tinyWRAPJNI_MediaSessionMgr_1defaultsSetBandwidthVideoUploadMax(JNIEnv *jenv, jclass jcls, jint jarg1) {
jboolean jresult = 0 ;
int32_t arg1 ;
bool result;
(void)jenv;
(void)jcls;
arg1 = (int32_t)jarg1;
result = (bool)MediaSessionMgr::defaultsSetBandwidthVideoUploadMax(arg1);
jresult = (jboolean)result;
return jresult;
}
SWIGEXPORT jboolean JNICALL Java_org_doubango_tinyWRAP_tinyWRAPJNI_MediaSessionMgr_1defaultsSetPrefVideoSize(JNIEnv *jenv, jclass jcls, jint jarg1) {
jboolean jresult = 0 ;
tmedia_pref_video_size_t arg1 ;

1
branches/2.0/doubango/bindings/perl/tinyWRAP.pm
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@ -246,6 +246,7 @@ sub DESTROY {
*defaultsGetProfile = *tinyWRAPc::MediaSessionMgr_defaultsGetProfile;
*defaultsSetBandwidthLevel = *tinyWRAPc::MediaSessionMgr_defaultsSetBandwidthLevel;
*defaultsGetBandwidthLevel = *tinyWRAPc::MediaSessionMgr_defaultsGetBandwidthLevel;
*defaultsSetBandwidthVideoUploadMax = *tinyWRAPc::MediaSessionMgr_defaultsSetBandwidthVideoUploadMax;
*defaultsSetPrefVideoSize = *tinyWRAPc::MediaSessionMgr_defaultsSetPrefVideoSize;
*defaultsSetJbMargin = *tinyWRAPc::MediaSessionMgr_defaultsSetJbMargin;
*defaultsSetJbMaxLateRate = *tinyWRAPc::MediaSessionMgr_defaultsSetJbMaxLateRate;

29
branches/2.0/doubango/bindings/perl/tinyWRAP_wrap.cxx
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@ -3976,6 +3976,34 @@ XS(_wrap_MediaSessionMgr_defaultsGetBandwidthLevel) {
}
XS(_wrap_MediaSessionMgr_defaultsSetBandwidthVideoUploadMax) {
{
int32_t arg1 ;
int val1 ;
int ecode1 = 0 ;
int argvi = 0;
bool result;
dXSARGS;
if ((items < 1) || (items > 1)) {
SWIG_croak("Usage: MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(bw_video_up_max_kbps);");
}
ecode1 = SWIG_AsVal_int SWIG_PERL_CALL_ARGS_2(ST(0), &val1);
if (!SWIG_IsOK(ecode1)) {
SWIG_exception_fail(SWIG_ArgError(ecode1), "in method '" "MediaSessionMgr_defaultsSetBandwidthVideoUploadMax" "', argument " "1"" of type '" "int32_t""'");
}
arg1 = static_cast< int32_t >(val1);
result = (bool)MediaSessionMgr::defaultsSetBandwidthVideoUploadMax(arg1);
ST(argvi) = SWIG_From_bool SWIG_PERL_CALL_ARGS_1(static_cast< bool >(result)); argvi++ ;
XSRETURN(argvi);
fail:
SWIG_croak_null();
}
}
XS(_wrap_MediaSessionMgr_defaultsSetPrefVideoSize) {
{
tmedia_pref_video_size_t arg1 ;
@ -26852,6 +26880,7 @@ static swig_command_info swig_commands[] = {
{"tinyWRAPc::MediaSessionMgr_defaultsGetProfile", _wrap_MediaSessionMgr_defaultsGetProfile},
{"tinyWRAPc::MediaSessionMgr_defaultsSetBandwidthLevel", _wrap_MediaSessionMgr_defaultsSetBandwidthLevel},
{"tinyWRAPc::MediaSessionMgr_defaultsGetBandwidthLevel", _wrap_MediaSessionMgr_defaultsGetBandwidthLevel},
{"tinyWRAPc::MediaSessionMgr_defaultsSetBandwidthVideoUploadMax", _wrap_MediaSessionMgr_defaultsSetBandwidthVideoUploadMax},
{"tinyWRAPc::MediaSessionMgr_defaultsSetPrefVideoSize", _wrap_MediaSessionMgr_defaultsSetPrefVideoSize},
{"tinyWRAPc::MediaSessionMgr_defaultsSetJbMargin", _wrap_MediaSessionMgr_defaultsSetJbMargin},
{"tinyWRAPc::MediaSessionMgr_defaultsSetJbMaxLateRate", _wrap_MediaSessionMgr_defaultsSetJbMaxLateRate},

6
branches/2.0/doubango/bindings/python/tinyWRAP.py
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@ -199,6 +199,8 @@ class MediaSessionMgr(_object):
if _newclass:defaultsSetBandwidthLevel = staticmethod(_tinyWRAP.MediaSessionMgr_defaultsSetBandwidthLevel)
__swig_getmethods__["defaultsGetBandwidthLevel"] = lambda x: _tinyWRAP.MediaSessionMgr_defaultsGetBandwidthLevel
if _newclass:defaultsGetBandwidthLevel = staticmethod(_tinyWRAP.MediaSessionMgr_defaultsGetBandwidthLevel)
__swig_getmethods__["defaultsSetBandwidthVideoUploadMax"] = lambda x: _tinyWRAP.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax
if _newclass:defaultsSetBandwidthVideoUploadMax = staticmethod(_tinyWRAP.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax)
__swig_getmethods__["defaultsSetPrefVideoSize"] = lambda x: _tinyWRAP.MediaSessionMgr_defaultsSetPrefVideoSize
if _newclass:defaultsSetPrefVideoSize = staticmethod(_tinyWRAP.MediaSessionMgr_defaultsSetPrefVideoSize)
__swig_getmethods__["defaultsSetJbMargin"] = lambda x: _tinyWRAP.MediaSessionMgr_defaultsSetJbMargin
@ -322,6 +324,10 @@ def MediaSessionMgr_defaultsGetBandwidthLevel():
return _tinyWRAP.MediaSessionMgr_defaultsGetBandwidthLevel()
MediaSessionMgr_defaultsGetBandwidthLevel = _tinyWRAP.MediaSessionMgr_defaultsGetBandwidthLevel
def MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(*args):
return _tinyWRAP.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(*args)
MediaSessionMgr_defaultsSetBandwidthVideoUploadMax = _tinyWRAP.MediaSessionMgr_defaultsSetBandwidthVideoUploadMax
def MediaSessionMgr_defaultsSetPrefVideoSize(*args):
return _tinyWRAP.MediaSessionMgr_defaultsSetPrefVideoSize(*args)
MediaSessionMgr_defaultsSetPrefVideoSize = _tinyWRAP.MediaSessionMgr_defaultsSetPrefVideoSize

23
branches/2.0/doubango/bindings/python/tinyWRAP_wrap.cxx
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@ -6993,6 +6993,28 @@ fail:
}
SWIGINTERN PyObject *_wrap_MediaSessionMgr_defaultsSetBandwidthVideoUploadMax(PyObject *SWIGUNUSEDPARM(self), PyObject *args) {
PyObject *resultobj = 0;
int32_t arg1 ;
int val1 ;
int ecode1 = 0 ;
PyObject * obj0 = 0 ;
bool result;
if (!PyArg_ParseTuple(args,(char *)"O:MediaSessionMgr_defaultsSetBandwidthVideoUploadMax",&obj0)) SWIG_fail;
ecode1 = SWIG_AsVal_int(obj0, &val1);
if (!SWIG_IsOK(ecode1)) {
SWIG_exception_fail(SWIG_ArgError(ecode1), "in method '" "MediaSessionMgr_defaultsSetBandwidthVideoUploadMax" "', argument " "1"" of type '" "int32_t""'");
}
arg1 = static_cast< int32_t >(val1);
result = (bool)MediaSessionMgr::defaultsSetBandwidthVideoUploadMax(arg1);
resultobj = SWIG_From_bool(static_cast< bool >(result));
return resultobj;
fail:
return NULL;
}
SWIGINTERN PyObject *_wrap_MediaSessionMgr_defaultsSetPrefVideoSize(PyObject *SWIGUNUSEDPARM(self), PyObject *args) {
PyObject *resultobj = 0;
tmedia_pref_video_size_t arg1 ;
@ -25407,6 +25429,7 @@ static PyMethodDef SwigMethods[] = {
{ (char *)"MediaSessionMgr_defaultsGetProfile", _wrap_MediaSessionMgr_defaultsGetProfile, METH_VARARGS, NULL},
{ (char *)"MediaSessionMgr_defaultsSetBandwidthLevel", _wrap_MediaSessionMgr_defaultsSetBandwidthLevel, METH_VARARGS, NULL},
{ (char *)"MediaSessionMgr_defaultsGetBandwidthLevel", _wrap_MediaSessionMgr_defaultsGetBandwidthLevel, METH_VARARGS, NULL},
{ (char *)"MediaSessionMgr_defaultsSetBandwidthVideoUploadMax", _wrap_MediaSessionMgr_defaultsSetBandwidthVideoUploadMax, METH_VARARGS, NULL},
{ (char *)"MediaSessionMgr_defaultsSetPrefVideoSize", _wrap_MediaSessionMgr_defaultsSetPrefVideoSize, METH_VARARGS, NULL},
{ (char *)"MediaSessionMgr_defaultsSetJbMargin", _wrap_MediaSessionMgr_defaultsSetJbMargin, METH_VARARGS, NULL},
{ (char *)"MediaSessionMgr_defaultsSetJbMaxLateRate", _wrap_MediaSessionMgr_defaultsSetJbMaxLateRate, METH_VARARGS, NULL},

208
branches/2.0/doubango/thirdparties/android/include/ogg/ogg.h
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@ -1,208 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel libogg include
last mod: $Id: ogg.h 16051 2009-05-27 05:00:06Z xiphmont $
********************************************************************/
#ifndef _OGG_H
#define _OGG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <ogg/os_types.h>
typedef struct {
void *iov_base;
size_t iov_len;
} ogg_iovec_t;
typedef struct {
long endbyte;
int endbit;
unsigned char *buffer;
unsigned char *ptr;
long storage;
} oggpack_buffer;
/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
typedef struct {
unsigned char *header;
long header_len;
unsigned char *body;
long body_len;
} ogg_page;
/* ogg_stream_state contains the current encode/decode state of a logical
Ogg bitstream **********************************************************/
typedef struct {
unsigned char *body_data; /* bytes from packet bodies */
long body_storage; /* storage elements allocated */
long body_fill; /* elements stored; fill mark */
long body_returned; /* elements of fill returned */
int *lacing_vals; /* The values that will go to the segment table */
ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact
this way, but it is simple coupled to the
lacing fifo */
long lacing_storage;
long lacing_fill;
long lacing_packet;
long lacing_returned;
unsigned char header[282]; /* working space for header encode */
int header_fill;
int e_o_s; /* set when we have buffered the last packet in the
logical bitstream */
int b_o_s; /* set after we've written the initial page
of a logical bitstream */
long serialno;
long pageno;
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a seperate abstraction
layer) also knows about the gap */
ogg_int64_t granulepos;
} ogg_stream_state;
/* ogg_packet is used to encapsulate the data and metadata belonging
to a single raw Ogg/Vorbis packet *************************************/
typedef struct {
unsigned char *packet;
long bytes;
long b_o_s;
long e_o_s;
ogg_int64_t granulepos;
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a seperate abstraction
layer) also knows about the gap */
} ogg_packet;
typedef struct {
unsigned char *data;
int storage;
int fill;
int returned;
int unsynced;
int headerbytes;
int bodybytes;
} ogg_sync_state;
/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/
extern void oggpack_writeinit(oggpack_buffer *b);
extern int oggpack_writecheck(oggpack_buffer *b);
extern void oggpack_writetrunc(oggpack_buffer *b,long bits);
extern void oggpack_writealign(oggpack_buffer *b);
extern void oggpack_writecopy(oggpack_buffer *b,void *source,long bits);
extern void oggpack_reset(oggpack_buffer *b);
extern void oggpack_writeclear(oggpack_buffer *b);
extern void oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void oggpack_write(oggpack_buffer *b,unsigned long value,int bits);
extern long oggpack_look(oggpack_buffer *b,int bits);
extern long oggpack_look1(oggpack_buffer *b);
extern void oggpack_adv(oggpack_buffer *b,int bits);
extern void oggpack_adv1(oggpack_buffer *b);
extern long oggpack_read(oggpack_buffer *b,int bits);
extern long oggpack_read1(oggpack_buffer *b);
extern long oggpack_bytes(oggpack_buffer *b);
extern long oggpack_bits(oggpack_buffer *b);
extern unsigned char *oggpack_get_buffer(oggpack_buffer *b);
extern void oggpackB_writeinit(oggpack_buffer *b);
extern int oggpackB_writecheck(oggpack_buffer *b);
extern void oggpackB_writetrunc(oggpack_buffer *b,long bits);
extern void oggpackB_writealign(oggpack_buffer *b);
extern void oggpackB_writecopy(oggpack_buffer *b,void *source,long bits);
extern void oggpackB_reset(oggpack_buffer *b);
extern void oggpackB_writeclear(oggpack_buffer *b);
extern void oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void oggpackB_write(oggpack_buffer *b,unsigned long value,int bits);
extern long oggpackB_look(oggpack_buffer *b,int bits);
extern long oggpackB_look1(oggpack_buffer *b);
extern void oggpackB_adv(oggpack_buffer *b,int bits);
extern void oggpackB_adv1(oggpack_buffer *b);
extern long oggpackB_read(oggpack_buffer *b,int bits);
extern long oggpackB_read1(oggpack_buffer *b);
extern long oggpackB_bytes(oggpack_buffer *b);
extern long oggpackB_bits(oggpack_buffer *b);
extern unsigned char *oggpackB_get_buffer(oggpack_buffer *b);
/* Ogg BITSTREAM PRIMITIVES: encoding **************************/
extern int ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
extern int ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
int count, long e_o_s, ogg_int64_t granulepos);
extern int ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
/* Ogg BITSTREAM PRIMITIVES: decoding **************************/
extern int ogg_sync_init(ogg_sync_state *oy);
extern int ogg_sync_clear(ogg_sync_state *oy);
extern int ogg_sync_reset(ogg_sync_state *oy);
extern int ogg_sync_destroy(ogg_sync_state *oy);
extern int ogg_sync_check(ogg_sync_state *oy);
extern char *ogg_sync_buffer(ogg_sync_state *oy, long size);
extern int ogg_sync_wrote(ogg_sync_state *oy, long bytes);
extern long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og);
extern int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og);
extern int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op);
extern int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);
/* Ogg BITSTREAM PRIMITIVES: general ***************************/
extern int ogg_stream_init(ogg_stream_state *os,int serialno);
extern int ogg_stream_clear(ogg_stream_state *os);
extern int ogg_stream_reset(ogg_stream_state *os);
extern int ogg_stream_reset_serialno(ogg_stream_state *os,int serialno);
extern int ogg_stream_destroy(ogg_stream_state *os);
extern int ogg_stream_check(ogg_stream_state *os);
extern int ogg_stream_eos(ogg_stream_state *os);
extern void ogg_page_checksum_set(ogg_page *og);
extern int ogg_page_version(const ogg_page *og);
extern int ogg_page_continued(const ogg_page *og);
extern int ogg_page_bos(const ogg_page *og);
extern int ogg_page_eos(const ogg_page *og);
extern ogg_int64_t ogg_page_granulepos(const ogg_page *og);
extern int ogg_page_serialno(const ogg_page *og);
extern long ogg_page_pageno(const ogg_page *og);
extern int ogg_page_packets(const ogg_page *og);
extern void ogg_packet_clear(ogg_packet *op);
#ifdef __cplusplus
}
#endif
#endif /* _OGG_H */

139
branches/2.0/doubango/thirdparties/android/include/ogg/os_types.h
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@ -1,139 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
last mod: $Id: os_types.h 14997 2008-06-04 03:27:18Z ivo $
********************************************************************/
#ifndef _OS_TYPES_H
#define _OS_TYPES_H
/* make it easy on the folks that want to compile the libs with a
different malloc than stdlib */
#define _ogg_malloc malloc
#define _ogg_calloc calloc
#define _ogg_realloc realloc
#define _ogg_free free
#if defined(_WIN32)
# if defined(__CYGWIN__)
# include <stdint.h>
typedef int16_t ogg_int16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
typedef uint64_t ogg_uint64_t;
# elif defined(__MINGW32__)
# include <sys/types.h>
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
typedef unsigned long long ogg_uint64_t;
# elif defined(__MWERKS__)
typedef long long ogg_int64_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
# else
/* MSVC/Borland */
typedef __int64 ogg_int64_t;
typedef __int32 ogg_int32_t;
typedef unsigned __int32 ogg_uint32_t;
typedef __int16 ogg_int16_t;
typedef unsigned __int16 ogg_uint16_t;
# endif
#elif defined(__MACOS__)
# include <sys/types.h>
typedef SInt16 ogg_int16_t;
typedef UInt16 ogg_uint16_t;
typedef SInt32 ogg_int32_t;
typedef UInt32 ogg_uint32_t;
typedef SInt64 ogg_int64_t;
#elif (defined(__APPLE__) && defined(__MACH__)) /* MacOS X Framework build */
# include <sys/types.h>
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined(__HAIKU__)
/* Haiku */
# include <sys/types.h>
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined(__BEOS__)
/* Be */
# include <inttypes.h>
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined (__EMX__)
/* OS/2 GCC */
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined (DJGPP)
/* DJGPP */
typedef short ogg_int16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined(R5900)
/* PS2 EE */
typedef long ogg_int64_t;
typedef int ogg_int32_t;
typedef unsigned ogg_uint32_t;
typedef short ogg_int16_t;
#elif defined(__SYMBIAN32__)
/* Symbian GCC */
typedef signed short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef signed int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long int ogg_int64_t;
#else
# include <sys/types.h>
# include <ogg/config_types.h>
#endif
#endif /* _OS_TYPES_H */

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@ -1,784 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function:
last mod: $Id: theora.h,v 1.17 2003/12/06 18:06:19 arc Exp $
********************************************************************/
#ifndef _O_THEORA_H_
#define _O_THEORA_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include <stddef.h> /* for size_t */
#include <ogg/ogg.h>
/** \file
* The libtheora pre-1.0 legacy C API.
*
* \ingroup oldfuncs
*
* \section intro Introduction
*
* This is the documentation for the libtheora legacy C API, declared in
* the theora.h header, which describes the old interface used before
* the 1.0 release. This API was widely deployed for several years and
* remains supported, but for new code we recommend the cleaner API
* declared in theoradec.h and theoraenc.h.
*
* libtheora is the reference implementation for
* <a href="http://www.theora.org/">Theora</a>, a free video codec.
* Theora is derived from On2's VP3 codec with improved integration with
* Ogg multimedia formats by <a href="http://www.xiph.org/">Xiph.Org</a>.
*
* \section overview Overview
*
* This library will both decode and encode theora packets to/from raw YUV
* frames. In either case, the packets will most likely either come from or
* need to be embedded in an Ogg stream. Use
* <a href="http://xiph.org/ogg/">libogg</a> or
* <a href="http://www.annodex.net/software/liboggz/index.html">liboggz</a>
* to extract/package these packets.
*
* \section decoding Decoding Process
*
* Decoding can be separated into the following steps:
* -# initialise theora_info and theora_comment structures using
* theora_info_init() and theora_comment_init():
\verbatim
theora_info info;
theora_comment comment;
theora_info_init(&info);
theora_comment_init(&comment);
\endverbatim
* -# retrieve header packets from Ogg stream (there should be 3) and decode
* into theora_info and theora_comment structures using
* theora_decode_header(). See \ref identification for more information on
* identifying which packets are theora packets.
\verbatim
int i;
for (i = 0; i < 3; i++)
{
(get a theora packet "op" from the Ogg stream)
theora_decode_header(&info, &comment, op);
}
\endverbatim
* -# initialise the decoder based on the information retrieved into the
* theora_info struct by theora_decode_header(). You will need a
* theora_state struct.
\verbatim
theora_state state;
theora_decode_init(&state, &info);
\endverbatim
* -# pass in packets and retrieve decoded frames! See the yuv_buffer
* documentation for information on how to retrieve raw YUV data.
\verbatim
yuf_buffer buffer;
while (last packet was not e_o_s) {
(get a theora packet "op" from the Ogg stream)
theora_decode_packetin(&state, op);
theora_decode_YUVout(&state, &buffer);
}
\endverbatim
*
*
* \subsection identification Identifying Theora Packets
*
* All streams inside an Ogg file have a unique serial_no attached to the
* stream. Typically, you will want to
* - retrieve the serial_no for each b_o_s (beginning of stream) page
* encountered within the Ogg file;
* - test the first (only) packet on that page to determine if it is a theora
* packet;
* - once you have found a theora b_o_s page then use the retrieved serial_no
* to identify future packets belonging to the same theora stream.
*
* Note that you \e cannot use theora_packet_isheader() to determine if a
* packet is a theora packet or not, as this function does not perform any
* checking beyond whether a header bit is present. Instead, use the
* theora_decode_header() function and check the return value; or examine the
* header bytes at the beginning of the Ogg page.
*/
/** \defgroup oldfuncs Legacy pre-1.0 C API */
/* @{ */
/**
* A YUV buffer for passing uncompressed frames to and from the codec.
* This holds a Y'CbCr frame in planar format. The CbCr planes can be
* subsampled and have their own separate dimensions and row stride
* offsets. Note that the strides may be negative in some
* configurations. For theora the width and height of the largest plane
* must be a multiple of 16. The actual meaningful picture size and
* offset are stored in the theora_info structure; frames returned by
* the decoder may need to be cropped for display.
*
* All samples are 8 bits. Within each plane samples are ordered by
* row from the top of the frame to the bottom. Within each row samples
* are ordered from left to right.
*
* During decode, the yuv_buffer struct is allocated by the user, but all
* fields (including luma and chroma pointers) are filled by the library.
* These pointers address library-internal memory and their contents should
* not be modified.
*
* Conversely, during encode the user allocates the struct and fills out all
* fields. The user also manages the data addressed by the luma and chroma
* pointers. See the encoder_example.c and dump_video.c example files in
* theora/examples/ for more information.
*/
typedef struct {
int y_width; /**< Width of the Y' luminance plane */
int y_height; /**< Height of the luminance plane */
int y_stride; /**< Offset in bytes between successive rows */
int uv_width; /**< Width of the Cb and Cr chroma planes */
int uv_height; /**< Height of the chroma planes */
int uv_stride; /**< Offset between successive chroma rows */
unsigned char *y; /**< Pointer to start of luminance data */
unsigned char *u; /**< Pointer to start of Cb data */
unsigned char *v; /**< Pointer to start of Cr data */
} yuv_buffer;
/**
* A Colorspace.
*/
typedef enum {
OC_CS_UNSPECIFIED, /**< The colorspace is unknown or unspecified */
OC_CS_ITU_REC_470M, /**< This is the best option for 'NTSC' content */
OC_CS_ITU_REC_470BG, /**< This is the best option for 'PAL' content */
OC_CS_NSPACES /**< This marks the end of the defined colorspaces */
} theora_colorspace;
/**
* A Chroma subsampling
*
* These enumerate the available chroma subsampling options supported
* by the theora format. See Section 4.4 of the specification for
* exact definitions.
*/
typedef enum {
OC_PF_420, /**< Chroma subsampling by 2 in each direction (4:2:0) */
OC_PF_RSVD, /**< Reserved value */
OC_PF_422, /**< Horizonatal chroma subsampling by 2 (4:2:2) */
OC_PF_444 /**< No chroma subsampling at all (4:4:4) */
} theora_pixelformat;
/**
* Theora bitstream info.
* Contains the basic playback parameters for a stream,
* corresponding to the initial 'info' header packet.
*
* Encoded theora frames must be a multiple of 16 in width and height.
* To handle other frame sizes, a crop rectangle is specified in
* frame_height and frame_width, offset_x and * offset_y. The offset
* and size should still be a multiple of 2 to avoid chroma sampling
* shifts. Offset values in this structure are measured from the
* upper left of the image.
*
* Frame rate, in frames per second, is stored as a rational
* fraction. Aspect ratio is also stored as a rational fraction, and
* refers to the aspect ratio of the frame pixels, not of the
* overall frame itself.
*
* See <a href="http://svn.xiph.org/trunk/theora/examples/encoder_example.c">
* examples/encoder_example.c</a> for usage examples of the
* other paramters and good default settings for the encoder parameters.
*/
typedef struct {
ogg_uint32_t width; /**< encoded frame width */
ogg_uint32_t height; /**< encoded frame height */
ogg_uint32_t frame_width; /**< display frame width */
ogg_uint32_t frame_height; /**< display frame height */
ogg_uint32_t offset_x; /**< horizontal offset of the displayed frame */
ogg_uint32_t offset_y; /**< vertical offset of the displayed frame */
ogg_uint32_t fps_numerator; /**< frame rate numerator **/
ogg_uint32_t fps_denominator; /**< frame rate denominator **/
ogg_uint32_t aspect_numerator; /**< pixel aspect ratio numerator */
ogg_uint32_t aspect_denominator; /**< pixel aspect ratio denominator */
theora_colorspace colorspace; /**< colorspace */
int target_bitrate; /**< nominal bitrate in bits per second */
int quality; /**< Nominal quality setting, 0-63 */
int quick_p; /**< Quick encode/decode */
/* decode only */
unsigned char version_major;
unsigned char version_minor;
unsigned char version_subminor;
void *codec_setup;
/* encode only */
int dropframes_p;
int keyframe_auto_p;
ogg_uint32_t keyframe_frequency;
ogg_uint32_t keyframe_frequency_force; /* also used for decode init to
get granpos shift correct */
ogg_uint32_t keyframe_data_target_bitrate;
ogg_int32_t keyframe_auto_threshold;
ogg_uint32_t keyframe_mindistance;
ogg_int32_t noise_sensitivity;
ogg_int32_t sharpness;
theora_pixelformat pixelformat; /**< chroma subsampling mode to expect */
} theora_info;
/** Codec internal state and context.
*/
typedef struct{
theora_info *i;
ogg_int64_t granulepos;
void *internal_encode;
void *internal_decode;
} theora_state;
/**
* Comment header metadata.
*
* This structure holds the in-stream metadata corresponding to
* the 'comment' header packet.
*
* Meta data is stored as a series of (tag, value) pairs, in
* length-encoded string vectors. The first occurence of the
* '=' character delimits the tag and value. A particular tag
* may occur more than once. The character set encoding for
* the strings is always UTF-8, but the tag names are limited
* to case-insensitive ASCII. See the spec for details.
*
* In filling in this structure, theora_decode_header() will
* null-terminate the user_comment strings for safety. However,
* the bitstream format itself treats them as 8-bit clean,
* and so the length array should be treated as authoritative
* for their length.
*/
typedef struct theora_comment{
char **user_comments; /**< An array of comment string vectors */
int *comment_lengths; /**< An array of corresponding string vector lengths in bytes */
int comments; /**< The total number of comment string vectors */
char *vendor; /**< The vendor string identifying the encoder, null terminated */
} theora_comment;
/**\name theora_control() codes */
/* \anchor decctlcodes_old
* These are the available request codes for theora_control()
* when called with a decoder instance.
* By convention decoder control codes are odd, to distinguish
* them from \ref encctlcodes_old "encoder control codes" which
* are even.
*
* Note that since the 1.0 release, both the legacy and the final
* implementation accept all the same control codes, but only the
* final API declares the newer codes.
*
* Keep any experimental or vendor-specific values above \c 0x8000.*/
/*@{*/
/**Get the maximum post-processing level.
* The decoder supports a post-processing filter that can improve
* the appearance of the decoded images. This returns the highest
* level setting for this post-processor, corresponding to maximum
* improvement and computational expense.
*/
#define TH_DECCTL_GET_PPLEVEL_MAX (1)
/**Set the post-processing level.
* Sets the level of post-processing to use when decoding the
* compressed stream. This must be a value between zero (off)
* and the maximum returned by TH_DECCTL_GET_PPLEVEL_MAX.
*/
#define TH_DECCTL_SET_PPLEVEL (3)
/**Sets the maximum distance between key frames.
* This can be changed during an encode, but will be bounded by
* <tt>1<<th_info#keyframe_granule_shift</tt>.
* If it is set before encoding begins, th_info#keyframe_granule_shift will
* be enlarged appropriately.
*
* \param[in] buf <tt>ogg_uint32_t</tt>: The maximum distance between key
* frames.
* \param[out] buf <tt>ogg_uint32_t</tt>: The actual maximum distance set.
* \retval OC_FAULT \a theora_state or \a buf is <tt>NULL</tt>.
* \retval OC_EINVAL \a buf_sz is not <tt>sizeof(ogg_uint32_t)</tt>.
* \retval OC_IMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE (4)
/**Set the granule position.
* Call this after a seek, to update the internal granulepos
* in the decoder, to insure that subsequent frames are marked
* properly. If you track timestamps yourself and do not use
* the granule postion returned by the decoder, then you do
* not need to use this control.
*/
#define TH_DECCTL_SET_GRANPOS (5)
/**\anchor encctlcodes_old */
/**Sets the quantization parameters to use.
* The parameters are copied, not stored by reference, so they can be freed
* after this call.
* <tt>NULL</tt> may be specified to revert to the default parameters.
*
* \param[in] buf #th_quant_info
* \retval OC_FAULT \a theora_state is <tt>NULL</tt>.
* \retval OC_EINVAL Encoding has already begun, the quantization parameters
* are not acceptable to this version of the encoder,
* \a buf is <tt>NULL</tt> and \a buf_sz is not zero,
* or \a buf is non-<tt>NULL</tt> and \a buf_sz is
* not <tt>sizeof(#th_quant_info)</tt>.
* \retval OC_IMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_QUANT_PARAMS (2)
/**Disables any encoder features that would prevent lossless transcoding back
* to VP3.
* This primarily means disabling block-level QI values and not using 4MV mode
* when any of the luma blocks in a macro block are not coded.
* It also includes using the VP3 quantization tables and Huffman codes; if you
* set them explicitly after calling this function, the resulting stream will
* not be VP3-compatible.
* If you enable VP3-compatibility when encoding 4:2:2 or 4:4:4 source
* material, or when using a picture region smaller than the full frame (e.g.
* a non-multiple-of-16 width or height), then non-VP3 bitstream features will
* still be disabled, but the stream will still not be VP3-compatible, as VP3
* was not capable of encoding such formats.
* If you call this after encoding has already begun, then the quantization
* tables and codebooks cannot be changed, but the frame-level features will
* be enabled or disabled as requested.
*
* \param[in] buf <tt>int</tt>: a non-zero value to enable VP3 compatibility,
* or 0 to disable it (the default).
* \param[out] buf <tt>int</tt>: 1 if all bitstream features required for
* VP3-compatibility could be set, and 0 otherwise.
* The latter will be returned if the pixel format is not
* 4:2:0, the picture region is smaller than the full frame,
* or if encoding has begun, preventing the quantization
* tables and codebooks from being set.
* \retval OC_FAULT \a theora_state or \a buf is <tt>NULL</tt>.
* \retval OC_EINVAL \a buf_sz is not <tt>sizeof(int)</tt>.
* \retval OC_IMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_VP3_COMPATIBLE (10)
/**Gets the maximum speed level.
* Higher speed levels favor quicker encoding over better quality per bit.
* Depending on the encoding mode, and the internal algorithms used, quality
* may actually improve, but in this case bitrate will also likely increase.
* In any case, overall rate/distortion performance will probably decrease.
* The maximum value, and the meaning of each value, may change depending on
* the current encoding mode (VBR vs. CQI, etc.).
*
* \param[out] buf int: The maximum encoding speed level.
* \retval OC_FAULT \a theora_state or \a buf is <tt>NULL</tt>.
* \retval OC_EINVAL \a buf_sz is not <tt>sizeof(int)</tt>.
* \retval OC_IMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_GET_SPLEVEL_MAX (12)
/**Sets the speed level.
* By default a speed value of 1 is used.
*
* \param[in] buf int: The new encoding speed level.
* 0 is slowest, larger values use less CPU.
* \retval OC_FAULT \a theora_state or \a buf is <tt>NULL</tt>.
* \retval OC_EINVAL \a buf_sz is not <tt>sizeof(int)</tt>, or the
* encoding speed level is out of bounds.
* The maximum encoding speed level may be
* implementation- and encoding mode-specific, and can be
* obtained via #TH_ENCCTL_GET_SPLEVEL_MAX.
* \retval OC_IMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_SET_SPLEVEL (14)
/*@}*/
#define OC_FAULT -1 /**< General failure */
#define OC_EINVAL -10 /**< Library encountered invalid internal data */
#define OC_DISABLED -11 /**< Requested action is disabled */
#define OC_BADHEADER -20 /**< Header packet was corrupt/invalid */
#define OC_NOTFORMAT -21 /**< Packet is not a theora packet */
#define OC_VERSION -22 /**< Bitstream version is not handled */
#define OC_IMPL -23 /**< Feature or action not implemented */
#define OC_BADPACKET -24 /**< Packet is corrupt */
#define OC_NEWPACKET -25 /**< Packet is an (ignorable) unhandled extension */
#define OC_DUPFRAME 1 /**< Packet is a dropped frame */
/**
* Retrieve a human-readable string to identify the encoder vendor and version.
* \returns A version string.
*/
extern const char *theora_version_string(void);
/**
* Retrieve a 32-bit version number.
* This number is composed of a 16-bit major version, 8-bit minor version
* and 8 bit sub-version, composed as follows:
<pre>
(VERSION_MAJOR<<16) + (VERSION_MINOR<<8) + (VERSION_SUB)
</pre>
* \returns The version number.
*/
extern ogg_uint32_t theora_version_number(void);
/**
* Initialize the theora encoder.
* \param th The theora_state handle to initialize for encoding.
* \param ti A theora_info struct filled with the desired encoding parameters.
* \retval 0 Success
*/
extern int theora_encode_init(theora_state *th, theora_info *ti);
/**
* Submit a YUV buffer to the theora encoder.
* \param t A theora_state handle previously initialized for encoding.
* \param yuv A buffer of YUV data to encode. Note that both the yuv_buffer
* struct and the luma/chroma buffers within should be allocated by
* the user.
* \retval OC_EINVAL Encoder is not ready, or is finished.
* \retval -1 The size of the given frame differs from those previously input
* \retval 0 Success
*/
extern int theora_encode_YUVin(theora_state *t, yuv_buffer *yuv);
/**
* Request the next packet of encoded video.
* The encoded data is placed in a user-provided ogg_packet structure.
* \param t A theora_state handle previously initialized for encoding.
* \param last_p whether this is the last packet the encoder should produce.
* \param op An ogg_packet structure to fill. libtheora will set all
* elements of this structure, including a pointer to encoded
* data. The memory for the encoded data is owned by libtheora.
* \retval 0 No internal storage exists OR no packet is ready
* \retval -1 The encoding process has completed
* \retval 1 Success
*/
extern int theora_encode_packetout( theora_state *t, int last_p,
ogg_packet *op);
/**
* Request a packet containing the initial header.
* A pointer to the header data is placed in a user-provided ogg_packet
* structure.
* \param t A theora_state handle previously initialized for encoding.
* \param op An ogg_packet structure to fill. libtheora will set all
* elements of this structure, including a pointer to the header
* data. The memory for the header data is owned by libtheora.
* \retval 0 Success
*/
extern int theora_encode_header(theora_state *t, ogg_packet *op);
/**
* Request a comment header packet from provided metadata.
* A pointer to the comment data is placed in a user-provided ogg_packet
* structure.
* \param tc A theora_comment structure filled with the desired metadata
* \param op An ogg_packet structure to fill. libtheora will set all
* elements of this structure, including a pointer to the encoded
* comment data. The memory for the comment data is owned by
* libtheora.
* \retval 0 Success
*/
extern int theora_encode_comment(theora_comment *tc, ogg_packet *op);
/**
* Request a packet containing the codebook tables for the stream.
* A pointer to the codebook data is placed in a user-provided ogg_packet
* structure.
* \param t A theora_state handle previously initialized for encoding.
* \param op An ogg_packet structure to fill. libtheora will set all
* elements of this structure, including a pointer to the codebook
* data. The memory for the header data is owned by libtheora.
* \retval 0 Success
*/
extern int theora_encode_tables(theora_state *t, ogg_packet *op);
/**
* Decode an Ogg packet, with the expectation that the packet contains
* an initial header, comment data or codebook tables.
*
* \param ci A theora_info structure to fill. This must have been previously
* initialized with theora_info_init(). If \a op contains an initial
* header, theora_decode_header() will fill \a ci with the
* parsed header values. If \a op contains codebook tables,
* theora_decode_header() will parse these and attach an internal
* representation to \a ci->codec_setup.
* \param cc A theora_comment structure to fill. If \a op contains comment
* data, theora_decode_header() will fill \a cc with the parsed
* comments.
* \param op An ogg_packet structure which you expect contains an initial
* header, comment data or codebook tables.
*
* \retval OC_BADHEADER \a op is NULL; OR the first byte of \a op->packet
* has the signature of an initial packet, but op is
* not a b_o_s packet; OR this packet has the signature
* of an initial header packet, but an initial header
* packet has already been seen; OR this packet has the
* signature of a comment packet, but the initial header
* has not yet been seen; OR this packet has the signature
* of a comment packet, but contains invalid data; OR
* this packet has the signature of codebook tables,
* but the initial header or comments have not yet
* been seen; OR this packet has the signature of codebook
* tables, but contains invalid data;
* OR the stream being decoded has a compatible version
* but this packet does not have the signature of a
* theora initial header, comments, or codebook packet
* \retval OC_VERSION The packet data of \a op is an initial header with
* a version which is incompatible with this version of
* libtheora.
* \retval OC_NEWPACKET the stream being decoded has an incompatible (future)
* version and contains an unknown signature.
* \retval 0 Success
*
* \note The normal usage is that theora_decode_header() be called on the
* first three packets of a theora logical bitstream in succession.
*/
extern int theora_decode_header(theora_info *ci, theora_comment *cc,
ogg_packet *op);
/**
* Initialize a theora_state handle for decoding.
* \param th The theora_state handle to initialize.
* \param c A theora_info struct filled with the desired decoding parameters.
* This is of course usually obtained from a previous call to
* theora_decode_header().
* \retval 0 Success
*/
extern int theora_decode_init(theora_state *th, theora_info *c);
/**
* Input a packet containing encoded data into the theora decoder.
* \param th A theora_state handle previously initialized for decoding.
* \param op An ogg_packet containing encoded theora data.
* \retval 0 Success
* \retval OC_BADPACKET \a op does not contain encoded video data
*/
extern int theora_decode_packetin(theora_state *th,ogg_packet *op);
/**
* Output the next available frame of decoded YUV data.
* \param th A theora_state handle previously initialized for decoding.
* \param yuv A yuv_buffer in which libtheora should place the decoded data.
* Note that the buffer struct itself is allocated by the user, but
* that the luma and chroma pointers will be filled in by the
* library. Also note that these luma and chroma regions should be
* considered read-only by the user.
* \retval 0 Success
*/
extern int theora_decode_YUVout(theora_state *th,yuv_buffer *yuv);
/**
* Report whether a theora packet is a header or not
* This function does no verification beyond checking the header
* flag bit so it should not be used for bitstream identification;
* use theora_decode_header() for that.
*
* \param op An ogg_packet containing encoded theora data.
* \retval 1 The packet is a header packet
* \retval 0 The packet is not a header packet (and so contains frame data)
*
* Thus function was added in the 1.0alpha4 release.
*/
extern int theora_packet_isheader(ogg_packet *op);
/**
* Report whether a theora packet is a keyframe or not
*
* \param op An ogg_packet containing encoded theora data.
* \retval 1 The packet contains a keyframe image
* \retval 0 The packet is contains an interframe delta
* \retval -1 The packet is not an image data packet at all
*
* Thus function was added in the 1.0alpha4 release.
*/
extern int theora_packet_iskeyframe(ogg_packet *op);
/**
* Report the granulepos shift radix
*
* When embedded in Ogg, Theora uses a two-part granulepos,
* splitting the 64-bit field into two pieces. The more-significant
* section represents the frame count at the last keyframe,
* and the less-significant section represents the count of
* frames since the last keyframe. In this way the overall
* field is still non-decreasing with time, but usefully encodes
* a pointer to the last keyframe, which is necessary for
* correctly restarting decode after a seek.
*
* This function reports the number of bits used to represent
* the distance to the last keyframe, and thus how the granulepos
* field must be shifted or masked to obtain the two parts.
*
* Since libtheora returns compressed data in an ogg_packet
* structure, this may be generally useful even if the Theora
* packets are not being used in an Ogg container.
*
* \param ti A previously initialized theora_info struct
* \returns The bit shift dividing the two granulepos fields
*
* This function was added in the 1.0alpha5 release.
*/
int theora_granule_shift(theora_info *ti);
/**
* Convert a granulepos to an absolute frame index, starting at 0.
* The granulepos is interpreted in the context of a given theora_state handle.
*
* Note that while the granulepos encodes the frame count (i.e. starting
* from 1) this call returns the frame index, starting from zero. Thus
* One can calculate the presentation time by multiplying the index by
* the rate.
*
* \param th A previously initialized theora_state handle (encode or decode)
* \param granulepos The granulepos to convert.
* \returns The frame index corresponding to \a granulepos.
* \retval -1 The given granulepos is undefined (i.e. negative)
*
* Thus function was added in the 1.0alpha4 release.
*/
extern ogg_int64_t theora_granule_frame(theora_state *th,ogg_int64_t granulepos);
/**
* Convert a granulepos to absolute time in seconds. The granulepos is
* interpreted in the context of a given theora_state handle, and gives
* the end time of a frame's presentation as used in Ogg mux ordering.
*
* \param th A previously initialized theora_state handle (encode or decode)
* \param granulepos The granulepos to convert.
* \returns The absolute time in seconds corresponding to \a granulepos.
* This is the "end time" for the frame, or the latest time it should
* be displayed.
* It is not the presentation time.
* \retval -1. The given granulepos is undefined (i.e. negative), or
* \retval -1. The function has been disabled because floating
* point support is not available.
*/
extern double theora_granule_time(theora_state *th,ogg_int64_t granulepos);
/**
* Initialize a theora_info structure. All values within the given theora_info
* structure are initialized, and space is allocated within libtheora for
* internal codec setup data.
* \param c A theora_info struct to initialize.
*/
extern void theora_info_init(theora_info *c);
/**
* Clear a theora_info structure. All values within the given theora_info
* structure are cleared, and associated internal codec setup data is freed.
* \param c A theora_info struct to initialize.
*/
extern void theora_info_clear(theora_info *c);
/**
* Free all internal data associated with a theora_state handle.
* \param t A theora_state handle.
*/
extern void theora_clear(theora_state *t);
/**
* Initialize an allocated theora_comment structure
* \param tc An allocated theora_comment structure
**/
extern void theora_comment_init(theora_comment *tc);
/**
* Add a comment to an initialized theora_comment structure
* \param tc A previously initialized theora comment structure
* \param comment A null-terminated string encoding the comment in the form
* "TAG=the value"
*
* Neither theora_comment_add() nor theora_comment_add_tag() support
* comments containing null values, although the bitstream format
* supports this. To add such comments you will need to manipulate
* the theora_comment structure directly.
**/
extern void theora_comment_add(theora_comment *tc, char *comment);
/**
* Add a comment to an initialized theora_comment structure.
* \param tc A previously initialized theora comment structure
* \param tag A null-terminated string containing the tag
* associated with the comment.
* \param value The corresponding value as a null-terminated string
*
* Neither theora_comment_add() nor theora_comment_add_tag() support
* comments containing null values, although the bitstream format
* supports this. To add such comments you will need to manipulate
* the theora_comment structure directly.
**/
extern void theora_comment_add_tag(theora_comment *tc,
char *tag, char *value);
/**
* Look up a comment value by tag.
* \param tc Tn initialized theora_comment structure
* \param tag The tag to look up
* \param count The instance of the tag. The same tag can appear multiple
* times, each with a distinct and ordered value, so an index
* is required to retrieve them all.
* \returns A pointer to the queried tag's value
* \retval NULL No matching tag is found
*
* \note Use theora_comment_query_count() to get the legal range for the
* count parameter.
**/
extern char *theora_comment_query(theora_comment *tc, char *tag, int count);
/** Look up the number of instances of a tag.
* \param tc An initialized theora_comment structure
* \param tag The tag to look up
* \returns The number on instances of a particular tag.
*
* Call this first when querying for a specific tag and then interate
* over the number of instances with separate calls to
* theora_comment_query() to retrieve all instances in order.
**/
extern int theora_comment_query_count(theora_comment *tc, char *tag);
/**
* Clear an allocated theora_comment struct so that it can be freed.
* \param tc An allocated theora_comment structure.
**/
extern void theora_comment_clear(theora_comment *tc);
/**Encoder control function.
* This is used to provide advanced control the encoding process.
* \param th A #theora_state handle.
* \param req The control code to process.
* See \ref encctlcodes_old "the list of available
* control codes" for details.
* \param buf The parameters for this control code.
* \param buf_sz The size of the parameter buffer.*/
extern int theora_control(theora_state *th,int req,void *buf,size_t buf_sz);
/* @} */ /* end oldfuncs doxygen group */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _O_THEORA_H_ */

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@ -1,500 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function:
last mod: $Id: theora.h,v 1.8 2004/03/15 22:17:32 derf Exp $
********************************************************************/
/**\file
* The <tt>libtheoraenc</tt> C encoding API.*/
#if !defined(_O_THEORA_THEORAENC_H_)
# define _O_THEORA_THEORAENC_H_ (1)
# include <stddef.h>
# include <ogg/ogg.h>
# include "codec.h"
#if defined(__cplusplus)
extern "C" {
#endif
/**\name th_encode_ctl() codes
* \anchor encctlcodes
* These are the available request codes for th_encode_ctl().
* By convention, these are even, to distinguish them from the
* \ref decctlcodes "decoder control codes".
* Keep any experimental or vendor-specific values above \c 0x8000.*/
/*@{*/
/**Sets the Huffman tables to use.
* The tables are copied, not stored by reference, so they can be freed after
* this call.
* <tt>NULL</tt> may be specified to revert to the default tables.
*
* \param[in] _buf <tt>#th_huff_code[#TH_NHUFFMAN_TABLES][#TH_NDCT_TOKENS]</tt>
* \retval TH_EFAULT \a _enc_ctx is <tt>NULL</tt>.
* \retval TH_EINVAL Encoding has already begun or one or more of the given
* tables is not full or prefix-free, \a _buf is
* <tt>NULL</tt> and \a _buf_sz is not zero, or \a _buf is
* non-<tt>NULL</tt> and \a _buf_sz is not
* <tt>sizeof(#th_huff_code)*#TH_NHUFFMAN_TABLES*#TH_NDCT_TOKENS</tt>.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_HUFFMAN_CODES (0)
/**Sets the quantization parameters to use.
* The parameters are copied, not stored by reference, so they can be freed
* after this call.
* <tt>NULL</tt> may be specified to revert to the default parameters.
*
* \param[in] _buf #th_quant_info
* \retval TH_EFAULT \a _enc_ctx is <tt>NULL</tt>.
* \retval TH_EINVAL Encoding has already begun, \a _buf is
* <tt>NULL</tt> and \a _buf_sz is not zero,
* or \a _buf is non-<tt>NULL</tt> and
* \a _buf_sz is not <tt>sizeof(#th_quant_info)</tt>.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_QUANT_PARAMS (2)
/**Sets the maximum distance between key frames.
* This can be changed during an encode, but will be bounded by
* <tt>1<<th_info#keyframe_granule_shift</tt>.
* If it is set before encoding begins, th_info#keyframe_granule_shift will
* be enlarged appropriately.
*
* \param[in] _buf <tt>ogg_uint32_t</tt>: The maximum distance between key
* frames.
* \param[out] _buf <tt>ogg_uint32_t</tt>: The actual maximum distance set.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(ogg_uint32_t)</tt>.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE (4)
/**Disables any encoder features that would prevent lossless transcoding back
* to VP3.
* This primarily means disabling block-adaptive quantization and always coding
* all four luma blocks in a macro block when 4MV is used.
* It also includes using the VP3 quantization tables and Huffman codes; if you
* set them explicitly after calling this function, the resulting stream will
* not be VP3-compatible.
* If you enable VP3-compatibility when encoding 4:2:2 or 4:4:4 source
* material, or when using a picture region smaller than the full frame (e.g.
* a non-multiple-of-16 width or height), then non-VP3 bitstream features will
* still be disabled, but the stream will still not be VP3-compatible, as VP3
* was not capable of encoding such formats.
* If you call this after encoding has already begun, then the quantization
* tables and codebooks cannot be changed, but the frame-level features will
* be enabled or disabled as requested.
*
* \param[in] _buf <tt>int</tt>: a non-zero value to enable VP3 compatibility,
* or 0 to disable it (the default).
* \param[out] _buf <tt>int</tt>: 1 if all bitstream features required for
* VP3-compatibility could be set, and 0 otherwise.
* The latter will be returned if the pixel format is not
* 4:2:0, the picture region is smaller than the full frame,
* or if encoding has begun, preventing the quantization
* tables and codebooks from being set.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_VP3_COMPATIBLE (10)
/**Gets the maximum speed level.
* Higher speed levels favor quicker encoding over better quality per bit.
* Depending on the encoding mode, and the internal algorithms used, quality
* may actually improve, but in this case bitrate will also likely increase.
* In any case, overall rate/distortion performance will probably decrease.
* The maximum value, and the meaning of each value, may change depending on
* the current encoding mode (VBR vs. constant quality, etc.).
*
* \param[out] _buf <tt>int</tt>: The maximum encoding speed level.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>.
* \retval TH_EIMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_GET_SPLEVEL_MAX (12)
/**Sets the speed level.
* The current speed level may be retrieved using #TH_ENCCTL_GET_SPLEVEL.
*
* \param[in] _buf <tt>int</tt>: The new encoding speed level.
* 0 is slowest, larger values use less CPU.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>, or the
* encoding speed level is out of bounds.
* The maximum encoding speed level may be
* implementation- and encoding mode-specific, and can be
* obtained via #TH_ENCCTL_GET_SPLEVEL_MAX.
* \retval TH_EIMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_SET_SPLEVEL (14)
/**Gets the current speed level.
* The default speed level may vary according to encoder implementation, but if
* this control code is not supported (it returns #TH_EIMPL), the default may
* be assumed to be the slowest available speed (0).
* The maximum encoding speed level may be implementation- and encoding
* mode-specific, and can be obtained via #TH_ENCCTL_GET_SPLEVEL_MAX.
*
* \param[out] _buf <tt>int</tt>: The current encoding speed level.
* 0 is slowest, larger values use less CPU.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>.
* \retval TH_EIMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_GET_SPLEVEL (16)
/**Sets the number of duplicates of the next frame to produce.
* Although libtheora can encode duplicate frames very cheaply, it costs some
* amount of CPU to detect them, and a run of duplicates cannot span a
* keyframe boundary.
* This control code tells the encoder to produce the specified number of extra
* duplicates of the next frame.
* This allows the encoder to make smarter keyframe placement decisions and
* rate control decisions, and reduces CPU usage as well, when compared to
* just submitting the same frame for encoding multiple times.
* This setting only applies to the next frame submitted for encoding.
* You MUST call th_encode_packetout() repeatedly until it returns 0, or the
* extra duplicate frames will be lost.
*
* \param[in] _buf <tt>int</tt>: The number of duplicates to produce.
* If this is negative or zero, no duplicates will be produced.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>, or the
* number of duplicates is greater than or equal to the
* maximum keyframe interval.
* In the latter case, NO duplicate frames will be produced.
* You must ensure that the maximum keyframe interval is set
* larger than the maximum number of duplicates you will
* ever wish to insert prior to encoding.
* \retval TH_EIMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_SET_DUP_COUNT (18)
/**Modifies the default bitrate management behavior.
* Use to allow or disallow frame dropping, and to enable or disable capping
* bit reservoir overflows and underflows.
* See \ref encctlcodes "the list of available flags".
* The flags are set by default to
* <tt>#TH_RATECTL_DROP_FRAMES|#TH_RATECTL_CAP_OVERFLOW</tt>.
*
* \param[in] _buf <tt>int</tt>: Any combination of
* \ref ratectlflags "the available flags":
* - #TH_RATECTL_DROP_FRAMES: Enable frame dropping.
* - #TH_RATECTL_CAP_OVERFLOW: Don't bank excess bits for later
* use.
* - #TH_RATECTL_CAP_UNDERFLOW: Don't try to make up shortfalls
* later.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt> or rate control
* is not enabled.
* \retval TH_EIMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_SET_RATE_FLAGS (20)
/**Sets the size of the bitrate management bit reservoir as a function
* of number of frames.
* The reservoir size affects how quickly bitrate management reacts to
* instantaneous changes in the video complexity.
* Larger reservoirs react more slowly, and provide better overall quality, but
* require more buffering by a client, adding more latency to live streams.
* By default, libtheora sets the reservoir to the maximum distance between
* keyframes, subject to a minimum and maximum limit.
* This call may be used to increase or decrease the reservoir, increasing or
* decreasing the allowed temporary variance in bitrate.
* An implementation may impose some limits on the size of a reservoir it can
* handle, in which case the actual reservoir size may not be exactly what was
* requested.
* The actual value set will be returned.
*
* \param[in] _buf <tt>int</tt>: Requested size of the reservoir measured in
* frames.
* \param[out] _buf <tt>int</tt>: The actual size of the reservoir set.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>, or rate control
* is not enabled. The buffer has an implementation
* defined minimum and maximum size and the value in _buf
* will be adjusted to match the actual value set.
* \retval TH_EIMPL Not supported by this implementation in the current
* encoding mode.*/
#define TH_ENCCTL_SET_RATE_BUFFER (22)
/**Enable pass 1 of two-pass encoding mode and retrieve the first pass metrics.
* Pass 1 mode must be enabled before the first frame is encoded, and a target
* bitrate must have already been specified to the encoder.
* Although this does not have to be the exact rate that will be used in the
* second pass, closer values may produce better results.
* The first call returns the size of the two-pass header data, along with some
* placeholder content, and sets the encoder into pass 1 mode implicitly.
* This call sets the encoder to pass 1 mode implicitly.
* Then, a subsequent call must be made after each call to
* th_encode_ycbcr_in() to retrieve the metrics for that frame.
* An additional, final call must be made to retrieve the summary data,
* containing such information as the total number of frames, etc.
* This must be stored in place of the placeholder data that was returned
* in the first call, before the frame metrics data.
* All of this data must be presented back to the encoder during pass 2 using
* #TH_ENCCTL_2PASS_IN.
*
* \param[out] <tt>char *</tt>_buf: Returns a pointer to internal storage
* containing the two pass metrics data.
* This storage is only valid until the next call, or until the
* encoder context is freed, and must be copied by the
* application.
* \retval >=0 The number of bytes of metric data available in the
* returned buffer.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(char *)</tt>, no target
* bitrate has been set, or the first call was made after
* the first frame was submitted for encoding.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_2PASS_OUT (24)
/**Submits two-pass encoding metric data collected the first encoding pass to
* the second pass.
* The first call must be made before the first frame is encoded, and a target
* bitrate must have already been specified to the encoder.
* It sets the encoder to pass 2 mode implicitly; this cannot be disabled.
* The encoder may require reading data from some or all of the frames in
* advance, depending on, e.g., the reservoir size used in the second pass.
* You must call this function repeatedly before each frame to provide data
* until either a) it fails to consume all of the data presented or b) all of
* the pass 1 data has been consumed.
* In the first case, you must save the remaining data to be presented after
* the next frame.
* You can call this function with a NULL argument to get an upper bound on
* the number of bytes that will be required before the next frame.
*
* When pass 2 is first enabled, the default bit reservoir is set to the entire
* file; this gives maximum flexibility but can lead to very high peak rates.
* You can subsequently set it to another value with #TH_ENCCTL_SET_RATE_BUFFER
* (e.g., to set it to the keyframe interval for non-live streaming), however,
* you may then need to provide more data before the next frame.
*
* \param[in] _buf <tt>char[]</tt>: A buffer containing the data returned by
* #TH_ENCCTL_2PASS_OUT in pass 1.
* You may pass <tt>NULL</tt> for \a _buf to return an upper
* bound on the number of additional bytes needed before the
* next frame.
* The summary data returned at the end of pass 1 must be at
* the head of the buffer on the first call with a
* non-<tt>NULL</tt> \a _buf, and the placeholder data
* returned at the start of pass 1 should be omitted.
* After each call you should advance this buffer by the number
* of bytes consumed.
* \retval >0 The number of bytes of metric data required/consumed.
* \retval 0 No more data is required before the next frame.
* \retval TH_EFAULT \a _enc_ctx is <tt>NULL</tt>.
* \retval TH_EINVAL No target bitrate has been set, or the first call was
* made after the first frame was submitted for
* encoding.
* \retval TH_ENOTFORMAT The data did not appear to be pass 1 from a compatible
* implementation of this library.
* \retval TH_EBADHEADER The data was invalid; this may be returned when
* attempting to read an aborted pass 1 file that still
* has the placeholder data in place of the summary
* data.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_2PASS_IN (26)
/**Sets the current encoding quality.
* This is only valid so long as no bitrate has been specified, either through
* the #th_info struct used to initialize the encoder or through
* #TH_ENCCTL_SET_BITRATE (this restriction may be relaxed in a future
* version).
* If it is set before the headers are emitted, the target quality encoded in
* them will be updated.
*
* \param[in] _buf <tt>int</tt>: The new target quality, in the range 0...63,
* inclusive.
* \retval 0 Success.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL A target bitrate has already been specified, or the
* quality index was not in the range 0...63.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_QUALITY (28)
/**Sets the current encoding bitrate.
* Once a bitrate is set, the encoder must use a rate-controlled mode for all
* future frames (this restriction may be relaxed in a future version).
* If it is set before the headers are emitted, the target bitrate encoded in
* them will be updated.
* Due to the buffer delay, the exact bitrate of each section of the encode is
* not guaranteed.
* The encoder may have already used more bits than allowed for the frames it
* has encoded, expecting to make them up in future frames, or it may have
* used fewer, holding the excess in reserve.
* The exact transition between the two bitrates is not well-defined by this
* API, but may be affected by flags set with #TH_ENCCTL_SET_RATE_FLAGS.
* After a number of frames equal to the buffer delay, one may expect further
* output to average at the target bitrate.
*
* \param[in] _buf <tt>long</tt>: The new target bitrate, in bits per second.
* \retval 0 Success.
* \retval TH_EFAULT \a _enc_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL The target bitrate was not positive.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_ENCCTL_SET_BITRATE (30)
/*@}*/
/**\name TH_ENCCTL_SET_RATE_FLAGS flags
* \anchor ratectlflags
* These are the flags available for use with #TH_ENCCTL_SET_RATE_FLAGS.*/
/*@{*/
/**Drop frames to keep within bitrate buffer constraints.
* This can have a severe impact on quality, but is the only way to ensure that
* bitrate targets are met at low rates during sudden bursts of activity.*/
#define TH_RATECTL_DROP_FRAMES (0x1)
/**Ignore bitrate buffer overflows.
* If the encoder uses so few bits that the reservoir of available bits
* overflows, ignore the excess.
* The encoder will not try to use these extra bits in future frames.
* At high rates this may cause the result to be undersized, but allows a
* client to play the stream using a finite buffer; it should normally be
* enabled.*/
#define TH_RATECTL_CAP_OVERFLOW (0x2)
/**Ignore bitrate buffer underflows.
* If the encoder uses so many bits that the reservoir of available bits
* underflows, ignore the deficit.
* The encoder will not try to make up these extra bits in future frames.
* At low rates this may cause the result to be oversized; it should normally
* be disabled.*/
#define TH_RATECTL_CAP_UNDERFLOW (0x4)
/*@}*/
/**The quantization parameters used by VP3.*/
extern const th_quant_info TH_VP31_QUANT_INFO;
/**The Huffman tables used by VP3.*/
extern const th_huff_code
TH_VP31_HUFF_CODES[TH_NHUFFMAN_TABLES][TH_NDCT_TOKENS];
/**\name Encoder state
The following data structure is opaque, and its contents are not publicly
defined by this API.
Referring to its internals directly is unsupported, and may break without
warning.*/
/*@{*/
/**The encoder context.*/
typedef struct th_enc_ctx th_enc_ctx;
/*@}*/
/**\defgroup encfuncs Functions for Encoding*/
/*@{*/
/**\name Functions for encoding
* You must link to <tt>libtheoraenc</tt> and <tt>libtheoradec</tt>
* if you use any of the functions in this section.
*
* The functions are listed in the order they are used in a typical encode.
* The basic steps are:
* - Fill in a #th_info structure with details on the format of the video you
* wish to encode.
* - Allocate a #th_enc_ctx handle with th_encode_alloc().
* - Perform any additional encoder configuration required with
* th_encode_ctl().
* - Repeatedly call th_encode_flushheader() to retrieve all the header
* packets.
* - For each uncompressed frame:
* - Submit the uncompressed frame via th_encode_ycbcr_in()
* - Repeatedly call th_encode_packetout() to retrieve any video data packets
* that are ready.
* - Call th_encode_free() to release all encoder memory.*/
/*@{*/
/**Allocates an encoder instance.
* \param _info A #th_info struct filled with the desired encoding parameters.
* \return The initialized #th_enc_ctx handle.
* \retval NULL If the encoding parameters were invalid.*/
extern th_enc_ctx *th_encode_alloc(const th_info *_info);
/**Encoder control function.
* This is used to provide advanced control the encoding process.
* \param _enc A #th_enc_ctx handle.
* \param _req The control code to process.
* See \ref encctlcodes "the list of available control codes"
* for details.
* \param _buf The parameters for this control code.
* \param _buf_sz The size of the parameter buffer.*/
extern int th_encode_ctl(th_enc_ctx *_enc,int _req,void *_buf,size_t _buf_sz);
/**Outputs the next header packet.
* This should be called repeatedly after encoder initialization until it
* returns 0 in order to get all of the header packets, in order, before
* encoding actual video data.
* \param _enc A #th_enc_ctx handle.
* \param _comments The metadata to place in the comment header, when it is
* encoded.
* \param _op An <tt>ogg_packet</tt> structure to fill.
* All of the elements of this structure will be set,
* including a pointer to the header data.
* The memory for the header data is owned by
* <tt>libtheoraenc</tt>, and may be invalidated when the
* next encoder function is called.
* \return A positive value indicates that a header packet was successfully
* produced.
* \retval 0 No packet was produced, and no more header packets remain.
* \retval TH_EFAULT \a _enc, \a _comments, or \a _op was <tt>NULL</tt>.*/
extern int th_encode_flushheader(th_enc_ctx *_enc,
th_comment *_comments,ogg_packet *_op);
/**Submits an uncompressed frame to the encoder.
* \param _enc A #th_enc_ctx handle.
* \param _ycbcr A buffer of Y'CbCr data to encode.
* If the width and height of the buffer matches the frame size
* the encoder was initialized with, the encoder will only
* reference the portion inside the picture region.
* Any data outside this region will be ignored, and need not map
* to a valid address.
* Alternatively, you can pass a buffer equal to the size of the
* picture region, if this is less than the full frame size.
* When using subsampled chroma planes, odd picture sizes or odd
* picture offsets may require an unexpected chroma plane size,
* and their use is generally discouraged, as they will not be
* well-supported by players and other media frameworks.
* See Section 4.4 of
* <a href="http://www.theora.org/doc/Theora.pdf">the Theora
* specification</a> for details if you wish to use them anyway.
* \retval 0 Success.
* \retval TH_EFAULT \a _enc or \a _ycbcr is <tt>NULL</tt>.
* \retval TH_EINVAL The buffer size matches neither the frame size nor the
* picture size the encoder was initialized with, or
* encoding has already completed.*/
extern int th_encode_ycbcr_in(th_enc_ctx *_enc,th_ycbcr_buffer _ycbcr);
/**Retrieves encoded video data packets.
* This should be called repeatedly after each frame is submitted to flush any
* encoded packets, until it returns 0.
* The encoder will not buffer these packets as subsequent frames are
* compressed, so a failure to do so will result in lost video data.
* \note Currently the encoder operates in a one-frame-in, one-packet-out
* manner.
* However, this may be changed in the future.
* \param _enc A #th_enc_ctx handle.
* \param _last Set this flag to a non-zero value if no more uncompressed
* frames will be submitted.
* This ensures that a proper EOS flag is set on the last packet.
* \param _op An <tt>ogg_packet</tt> structure to fill.
* All of the elements of this structure will be set, including a
* pointer to the video data.
* The memory for the video data is owned by
* <tt>libtheoraenc</tt>, and may be invalidated when the next
* encoder function is called.
* \return A positive value indicates that a video data packet was successfully
* produced.
* \retval 0 No packet was produced, and no more encoded video data
* remains.
* \retval TH_EFAULT \a _enc or \a _op was <tt>NULL</tt>.*/
extern int th_encode_packetout(th_enc_ctx *_enc,int _last,ogg_packet *_op);
/**Frees an allocated encoder instance.
* \param _enc A #th_enc_ctx handle.*/
extern void th_encode_free(th_enc_ctx *_enc);
/*@}*/
/*@}*/
#if defined(__cplusplus)
}
#endif
#endif

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@ -1,112 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: vorbis encode-engine setup
last mod: $Id: vorbisenc.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
#ifndef _OV_ENC_H_
#define _OV_ENC_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include "codec.h"
extern int vorbis_encode_init(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
extern int vorbis_encode_setup_managed(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
extern int vorbis_encode_setup_vbr(vorbis_info *vi,
long channels,
long rate,
float quality /* quality level from 0. (lo) to 1. (hi) */
);
extern int vorbis_encode_init_vbr(vorbis_info *vi,
long channels,
long rate,
float base_quality /* quality level from 0. (lo) to 1. (hi) */
);
extern int vorbis_encode_setup_init(vorbis_info *vi);
extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
/* deprecated rate management supported only for compatability */
#define OV_ECTL_RATEMANAGE_GET 0x10
#define OV_ECTL_RATEMANAGE_SET 0x11
#define OV_ECTL_RATEMANAGE_AVG 0x12
#define OV_ECTL_RATEMANAGE_HARD 0x13
struct ovectl_ratemanage_arg {
int management_active;
long bitrate_hard_min;
long bitrate_hard_max;
double bitrate_hard_window;
long bitrate_av_lo;
long bitrate_av_hi;
double bitrate_av_window;
double bitrate_av_window_center;
};
/* new rate setup */
#define OV_ECTL_RATEMANAGE2_GET 0x14
#define OV_ECTL_RATEMANAGE2_SET 0x15
struct ovectl_ratemanage2_arg {
int management_active;
long bitrate_limit_min_kbps;
long bitrate_limit_max_kbps;
long bitrate_limit_reservoir_bits;
double bitrate_limit_reservoir_bias;
long bitrate_average_kbps;
double bitrate_average_damping;
};
#define OV_ECTL_LOWPASS_GET 0x20
#define OV_ECTL_LOWPASS_SET 0x21
#define OV_ECTL_IBLOCK_GET 0x30
#define OV_ECTL_IBLOCK_SET 0x31
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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@ -1,206 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: stdio-based convenience library for opening/seeking/decoding
last mod: $Id: vorbisfile.h 16243 2009-07-10 02:49:31Z xiphmont $
********************************************************************/
#ifndef _OV_FILE_H_
#define _OV_FILE_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include <stdio.h>
#include "codec.h"
/* The function prototypes for the callbacks are basically the same as for
* the stdio functions fread, fseek, fclose, ftell.
* The one difference is that the FILE * arguments have been replaced with
* a void * - this is to be used as a pointer to whatever internal data these
* functions might need. In the stdio case, it's just a FILE * cast to a void *
*
* If you use other functions, check the docs for these functions and return
* the right values. For seek_func(), you *MUST* return -1 if the stream is
* unseekable
*/
typedef struct {
size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource);
int (*seek_func) (void *datasource, ogg_int64_t offset, int whence);
int (*close_func) (void *datasource);
long (*tell_func) (void *datasource);
} ov_callbacks;
#ifndef OV_EXCLUDE_STATIC_CALLBACKS
/* a few sets of convenient callbacks, especially for use under
* Windows where ov_open_callbacks() should always be used instead of
* ov_open() to avoid problems with incompatable crt.o version linking
* issues. */
static int _ov_header_fseek_wrap(FILE *f,ogg_int64_t off,int whence){
if(f==NULL)return(-1);
#ifdef __MINGW32__
return fseeko64(f,off,whence);
#elif defined (_WIN32)
return _fseeki64(f,off,whence);
#else
return fseek(f,off,whence);
#endif
}
/* These structs below (OV_CALLBACKS_DEFAULT etc) are defined here as
* static data. That means that every file which includes this header
* will get its own copy of these structs whether it uses them or
* not unless it #defines OV_EXCLUDE_STATIC_CALLBACKS.
* These static symbols are essential on platforms such as Windows on
* which several different versions of stdio support may be linked to
* by different DLLs, and we need to be certain we know which one
* we're using (the same one as the main application).
*/
static ov_callbacks OV_CALLBACKS_DEFAULT = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) _ov_header_fseek_wrap,
(int (*)(void *)) fclose,
(long (*)(void *)) ftell
};
static ov_callbacks OV_CALLBACKS_NOCLOSE = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) _ov_header_fseek_wrap,
(int (*)(void *)) NULL,
(long (*)(void *)) ftell
};
static ov_callbacks OV_CALLBACKS_STREAMONLY = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) NULL,
(int (*)(void *)) fclose,
(long (*)(void *)) NULL
};
static ov_callbacks OV_CALLBACKS_STREAMONLY_NOCLOSE = {
(size_t (*)(void *, size_t, size_t, void *)) fread,
(int (*)(void *, ogg_int64_t, int)) NULL,
(int (*)(void *)) NULL,
(long (*)(void *)) NULL
};
#endif
#define NOTOPEN 0
#define PARTOPEN 1
#define OPENED 2
#define STREAMSET 3
#define INITSET 4
typedef struct OggVorbis_File {
void *datasource; /* Pointer to a FILE *, etc. */
int seekable;
ogg_int64_t offset;
ogg_int64_t end;
ogg_sync_state oy;
/* If the FILE handle isn't seekable (eg, a pipe), only the current
stream appears */
int links;
ogg_int64_t *offsets;
ogg_int64_t *dataoffsets;
long *serialnos;
ogg_int64_t *pcmlengths; /* overloaded to maintain binary
compatability; x2 size, stores both
beginning and end values */
vorbis_info *vi;
vorbis_comment *vc;
/* Decoding working state local storage */
ogg_int64_t pcm_offset;
int ready_state;
long current_serialno;
int current_link;
double bittrack;
double samptrack;
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
ov_callbacks callbacks;
} OggVorbis_File;
extern int ov_clear(OggVorbis_File *vf);
extern int ov_fopen(char *path,OggVorbis_File *vf);
extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf,
char *initial, long ibytes, ov_callbacks callbacks);
extern int ov_test(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf,
char *initial, long ibytes, ov_callbacks callbacks);
extern int ov_test_open(OggVorbis_File *vf);
extern long ov_bitrate(OggVorbis_File *vf,int i);
extern long ov_bitrate_instant(OggVorbis_File *vf);
extern long ov_streams(OggVorbis_File *vf);
extern long ov_seekable(OggVorbis_File *vf);
extern long ov_serialnumber(OggVorbis_File *vf,int i);
extern ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i);
extern ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i);
extern double ov_time_total(OggVorbis_File *vf,int i);
extern int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_time_seek(OggVorbis_File *vf,double pos);
extern int ov_time_seek_page(OggVorbis_File *vf,double pos);
extern int ov_raw_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek_lap(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_pcm_seek_page_lap(OggVorbis_File *vf,ogg_int64_t pos);
extern int ov_time_seek_lap(OggVorbis_File *vf,double pos);
extern int ov_time_seek_page_lap(OggVorbis_File *vf,double pos);
extern ogg_int64_t ov_raw_tell(OggVorbis_File *vf);
extern ogg_int64_t ov_pcm_tell(OggVorbis_File *vf);
extern double ov_time_tell(OggVorbis_File *vf);
extern vorbis_info *ov_info(OggVorbis_File *vf,int link);
extern vorbis_comment *ov_comment(OggVorbis_File *vf,int link);
extern long ov_read_float(OggVorbis_File *vf,float ***pcm_channels,int samples,
int *bitstream);
extern long ov_read_filter(OggVorbis_File *vf,char *buffer,int length,
int bigendianp,int word,int sgned,int *bitstream,
void (*filter)(float **pcm,long channels,long samples,void *filter_param),void *filter_param);
extern long ov_read(OggVorbis_File *vf,char *buffer,int length,
int bigendianp,int word,int sgned,int *bitstream);
extern int ov_crosslap(OggVorbis_File *vf1,OggVorbis_File *vf2);
extern int ov_halfrate(OggVorbis_File *vf,int flag);
extern int ov_halfrate_p(OggVorbis_File *vf);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

14
branches/2.0/doubango/thirdparties/android/include/ogg/config_types.h → branches/2.0/doubango/thirdparties/common/include/ogg/config_types.h
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@ -2,6 +2,20 @@
#define __CONFIG_TYPES_H__
/* these are filled in by configure */
#define INCLUDE_INTTYPES_H 1
#define INCLUDE_STDINT_H 1
#define INCLUDE_SYS_TYPES_H 1
#if INCLUDE_INTTYPES_H
# include <inttypes.h>
#endif
#if INCLUDE_STDINT_H
# include <stdint.h>
#endif
#if INCLUDE_SYS_TYPES_H
# include <sys/types.h>
#endif
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;

7
branches/2.0/doubango/thirdparties/win32/include/ogg/ogg.h → branches/2.0/doubango/thirdparties/common/include/ogg/ogg.h
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@ -11,7 +11,7 @@
********************************************************************
function: toplevel libogg include
last mod: $Id: ogg.h 16051 2009-05-27 05:00:06Z xiphmont $
last mod: $Id: ogg.h 17571 2010-10-27 13:28:20Z xiphmont $
********************************************************************/
#ifndef _OGG_H
@ -78,7 +78,7 @@ typedef struct {
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a seperate abstraction
(which is in a separate abstraction
layer) also knows about the gap */
ogg_int64_t granulepos;
@ -98,7 +98,7 @@ typedef struct {
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a seperate abstraction
(which is in a separate abstraction
layer) also knows about the gap */
} ogg_packet;
@ -159,6 +159,7 @@ extern int ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
extern int ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
int count, long e_o_s, ogg_int64_t granulepos);
extern int ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill);
extern int ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
/* Ogg BITSTREAM PRIMITIVES: decoding **************************/

22
branches/2.0/doubango/thirdparties/win32/include/ogg/os_types.h → branches/2.0/doubango/thirdparties/common/include/ogg/os_types.h
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@ -11,7 +11,7 @@
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
last mod: $Id: os_types.h 14997 2008-06-04 03:27:18Z ivo $
last mod: $Id: os_types.h 17712 2010-12-03 17:10:02Z xiphmont $
********************************************************************/
#ifndef _OS_TYPES_H
@ -68,11 +68,11 @@
#elif (defined(__APPLE__) && defined(__MACH__)) /* MacOS X Framework build */
# include <sys/types.h>
# include <inttypes.h>
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined(__HAIKU__)
@ -90,9 +90,9 @@
/* Be */
# include <inttypes.h>
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined (__EMX__)
@ -129,9 +129,17 @@
typedef unsigned int ogg_uint32_t;
typedef long long int ogg_int64_t;
#elif defined(__TMS320C6X__)
/* TI C64x compiler */
typedef signed short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef signed int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long int ogg_int64_t;
#else
# include <sys/types.h>
# include <ogg/config_types.h>
#endif

0
branches/2.0/doubango/thirdparties/android/include/theora/codec.h → branches/2.0/doubango/thirdparties/common/include/theora/codec.h
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0
branches/2.0/doubango/thirdparties/iphone/include/theora/theora.h → branches/2.0/doubango/thirdparties/common/include/theora/theora.h
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0
branches/2.0/doubango/thirdparties/android/include/theora/theoradec.h → branches/2.0/doubango/thirdparties/common/include/theora/theoradec.h
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0
branches/2.0/doubango/thirdparties/iphone/include/theora/theoraenc.h → branches/2.0/doubango/thirdparties/common/include/theora/theoraenc.h
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branches/2.0/doubango/thirdparties/android/include/vorbis/codec.h → branches/2.0/doubango/thirdparties/common/include/vorbis/codec.h
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@ -11,7 +11,7 @@
********************************************************************
function: libvorbis codec headers
last mod: $Id: codec.h 16037 2009-05-26 21:10:58Z xiphmont $
last mod: $Id: codec.h 17021 2010-03-24 09:29:41Z xiphmont $
********************************************************************/
@ -121,7 +121,7 @@ typedef struct vorbis_block{
/* vorbis_block is a single block of data to be processed as part of
the analysis/synthesis stream; it belongs to a specific logical
bitstream, but is independant from other vorbis_blocks belonging to
bitstream, but is independent from other vorbis_blocks belonging to
that logical bitstream. *************************************************/
struct alloc_chain{

436
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@ -0,0 +1,436 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: vorbis encode-engine setup
last mod: $Id: vorbisenc.h 17021 2010-03-24 09:29:41Z xiphmont $
********************************************************************/
/** \file
* Libvorbisenc is a convenient API for setting up an encoding
* environment using libvorbis. Libvorbisenc encapsulates the
* actions needed to set up the encoder properly.
*/
#ifndef _OV_ENC_H_
#define _OV_ENC_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include "codec.h"
/**
* This is the primary function within libvorbisenc for setting up managed
* bitrate modes.
*
* Before this function is called, the \ref vorbis_info
* struct should be initialized by using vorbis_info_init() from the libvorbis
* API. After encoding, vorbis_info_clear() should be called.
*
* The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set
* constraints for the encoded file. This function uses these settings to
* select the appropriate encoding mode and set it up.
*
* \param vi Pointer to an initialized \ref vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param max_bitrate Desired maximum bitrate (limit). -1 indicates unset.
* \param nominal_bitrate Desired average, or central, bitrate. -1 indicates unset.
* \param min_bitrate Desired minimum bitrate. -1 indicates unset.
*
* \return Zero for success, and negative values for failure.
*
* \retval 0 Success.
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with bitrate request.
*/
extern int vorbis_encode_init(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
/**
* This function performs step-one of a three-step bitrate-managed encode
* setup. It functions similarly to the one-step setup performed by \ref
* vorbis_encode_init but allows an application to make further encode setup
* tweaks using \ref vorbis_encode_ctl before finally calling \ref
* vorbis_encode_setup_init to complete the setup process.
*
* Before this function is called, the \ref vorbis_info struct should be
* initialized by using vorbis_info_init() from the libvorbis API. After
* encoding, vorbis_info_clear() should be called.
*
* The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set
* constraints for the encoded file. This function uses these settings to
* select the appropriate encoding mode and set it up.
*
* \param vi Pointer to an initialized vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param max_bitrate Desired maximum bitrate (limit). -1 indicates unset.
* \param nominal_bitrate Desired average, or central, bitrate. -1 indicates unset.
* \param min_bitrate Desired minimum bitrate. -1 indicates unset.
*
* \return Zero for success, and negative for failure.
*
* \retval 0 Success
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with bitrate request.
*/
extern int vorbis_encode_setup_managed(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
/**
* This function performs step-one of a three-step variable bitrate
* (quality-based) encode setup. It functions similarly to the one-step setup
* performed by \ref vorbis_encode_init_vbr() but allows an application to
* make further encode setup tweaks using \ref vorbis_encode_ctl() before
* finally calling \ref vorbis_encode_setup_init to complete the setup
* process.
*
* Before this function is called, the \ref vorbis_info struct should be
* initialized by using \ref vorbis_info_init() from the libvorbis API. After
* encoding, vorbis_info_clear() should be called.
*
* \param vi Pointer to an initialized vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
*
* \return Zero for success, and negative values for failure.
*
* \retval 0 Success
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
*/
extern int vorbis_encode_setup_vbr(vorbis_info *vi,
long channels,
long rate,
float quality
);
/**
* This is the primary function within libvorbisenc for setting up variable
* bitrate ("quality" based) modes.
*
*
* Before this function is called, the vorbis_info struct should be
* initialized by using vorbis_info_init() from the libvorbis API. After
* encoding, vorbis_info_clear() should be called.
*
* \param vi Pointer to an initialized vorbis_info struct.
* \param channels The number of channels to be encoded.
* \param rate The sampling rate of the source audio.
* \param base_quality Desired quality level, currently from -0.1 to 1.0 (lo to hi).
*
*
* \return Zero for success, or a negative number for failure.
*
* \retval 0 Success
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
* \retval OV_EINVAL Invalid setup request, eg, out of range argument.
* \retval OV_EIMPL Unimplemented mode; unable to comply with quality level request.
*/
extern int vorbis_encode_init_vbr(vorbis_info *vi,
long channels,
long rate,
float base_quality
);
/**
* This function performs the last stage of three-step encoding setup, as
* described in the API overview under managed bitrate modes.
*
* Before this function is called, the \ref vorbis_info struct should be
* initialized by using vorbis_info_init() from the libvorbis API, one of
* \ref vorbis_encode_setup_managed() or \ref vorbis_encode_setup_vbr() called to
* initialize the high-level encoding setup, and \ref vorbis_encode_ctl()
* called if necessary to make encoding setup changes.
* vorbis_encode_setup_init() finalizes the highlevel encoding structure into
* a complete encoding setup after which the application may make no further
* setup changes.
*
* After encoding, vorbis_info_clear() should be called.
*
* \param vi Pointer to an initialized \ref vorbis_info struct.
*
* \return Zero for success, and negative values for failure.
*
* \retval 0 Success.
* \retval OV_EFAULT Internal logic fault; indicates a bug or heap/stack corruption.
*
* \retval OV_EINVAL Attempt to use vorbis_encode_setup_init() without first
* calling one of vorbis_encode_setup_managed() or vorbis_encode_setup_vbr() to
* initialize the high-level encoding setup
*
*/
extern int vorbis_encode_setup_init(vorbis_info *vi);
/**
* This function implements a generic interface to miscellaneous encoder
* settings similar to the classic UNIX 'ioctl()' system call. Applications
* may use vorbis_encode_ctl() to query or set bitrate management or quality
* mode details by using one of several \e request arguments detailed below.
* vorbis_encode_ctl() must be called after one of
* vorbis_encode_setup_managed() or vorbis_encode_setup_vbr(). When used
* to modify settings, \ref vorbis_encode_ctl() must be called before \ref
* vorbis_encode_setup_init().
*
* \param vi Pointer to an initialized vorbis_info struct.
*
* \param number Specifies the desired action; See \ref encctlcodes "the list
* of available requests".
*
* \param arg void * pointing to a data structure matching the request
* argument.
*
* \retval 0 Success. Any further return information (such as the result of a
* query) is placed into the storage pointed to by *arg.
*
* \retval OV_EINVAL Invalid argument, or an attempt to modify a setting after
* calling vorbis_encode_setup_init().
*
* \retval OV_EIMPL Unimplemented or unknown request
*/
extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
/**
* \deprecated This is a deprecated interface. Please use vorbis_encode_ctl()
* with the \ref ovectl_ratemanage2_arg struct and \ref
* OV_ECTL_RATEMANAGE2_GET and \ref OV_ECTL_RATEMANAGE2_SET calls in new code.
*
* The \ref ovectl_ratemanage_arg structure is used with vorbis_encode_ctl()
* and the \ref OV_ECTL_RATEMANAGE_GET, \ref OV_ECTL_RATEMANAGE_SET, \ref
* OV_ECTL_RATEMANAGE_AVG, \ref OV_ECTL_RATEMANAGE_HARD calls in order to
* query and modify specifics of the encoder's bitrate management
* configuration.
*/
struct ovectl_ratemanage_arg {
int management_active; /**< nonzero if bitrate management is active*/
/** hard lower limit (in kilobits per second) below which the stream bitrate
will never be allowed for any given bitrate_hard_window seconds of time.*/
long bitrate_hard_min;
/** hard upper limit (in kilobits per second) above which the stream bitrate
will never be allowed for any given bitrate_hard_window seconds of time.*/
long bitrate_hard_max;
/** the window period (in seconds) used to regulate the hard bitrate minimum
and maximum*/
double bitrate_hard_window;
/** soft lower limit (in kilobits per second) below which the average bitrate
tracker will start nudging the bitrate higher.*/
long bitrate_av_lo;
/** soft upper limit (in kilobits per second) above which the average bitrate
tracker will start nudging the bitrate lower.*/
long bitrate_av_hi;
/** the window period (in seconds) used to regulate the average bitrate
minimum and maximum.*/
double bitrate_av_window;
/** Regulates the relative centering of the average and hard windows; in
libvorbis 1.0 and 1.0.1, the hard window regulation overlapped but
followed the average window regulation. In libvorbis 1.1 a bit-reservoir
interface replaces the old windowing interface; the older windowing
interface is simulated and this field has no effect.*/
double bitrate_av_window_center;
};
/**
* \name struct ovectl_ratemanage2_arg
*
* The ovectl_ratemanage2_arg structure is used with vorbis_encode_ctl() and
* the OV_ECTL_RATEMANAGE2_GET and OV_ECTL_RATEMANAGE2_SET calls in order to
* query and modify specifics of the encoder's bitrate management
* configuration.
*
*/
struct ovectl_ratemanage2_arg {
int management_active; /**< nonzero if bitrate management is active */
/** Lower allowed bitrate limit in kilobits per second */
long bitrate_limit_min_kbps;
/** Upper allowed bitrate limit in kilobits per second */
long bitrate_limit_max_kbps;
long bitrate_limit_reservoir_bits; /**<Size of the bitrate reservoir in bits */
/** Regulates the bitrate reservoir's preferred fill level in a range from 0.0
* to 1.0; 0.0 tries to bank bits to buffer against future bitrate spikes, 1.0
* buffers against future sudden drops in instantaneous bitrate. Default is
* 0.1
*/
double bitrate_limit_reservoir_bias;
/** Average bitrate setting in kilobits per second */
long bitrate_average_kbps;
/** Slew rate limit setting for average bitrate adjustment; sets the minimum
* time in seconds the bitrate tracker may swing from one extreme to the
* other when boosting or damping average bitrate.
*/
double bitrate_average_damping;
};
/**
* \name vorbis_encode_ctl() codes
*
* \anchor encctlcodes
*
* These values are passed as the \c number parameter of vorbis_encode_ctl().
* The type of the referent of that function's \c arg pointer depends on these
* codes.
*/
/*@{*/
/**
* Query the current encoder bitrate management setting.
*
*Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
*
* Used to query the current encoder bitrate management setting. Also used to
* initialize fields of an ovectl_ratemanage2_arg structure for use with
* \ref OV_ECTL_RATEMANAGE2_SET.
*/
#define OV_ECTL_RATEMANAGE2_GET 0x14
/**
* Set the current encoder bitrate management settings.
*
* Argument: <tt>struct ovectl_ratemanage2_arg *</tt>
*
* Used to set the current encoder bitrate management settings to the values
* listed in the ovectl_ratemanage2_arg. Passing a NULL pointer will disable
* bitrate management.
*/
#define OV_ECTL_RATEMANAGE2_SET 0x15
/**
* Returns the current encoder hard-lowpass setting (kHz) in the double
* pointed to by arg.
*
* Argument: <tt>double *</tt>
*/
#define OV_ECTL_LOWPASS_GET 0x20
/**
* Sets the encoder hard-lowpass to the value (kHz) pointed to by arg. Valid
* lowpass settings range from 2 to 99.
*
* Argument: <tt>double *</tt>
*/
#define OV_ECTL_LOWPASS_SET 0x21
/**
* Returns the current encoder impulse block setting in the double pointed
* to by arg.
*
* Argument: <tt>double *</tt>
*/
#define OV_ECTL_IBLOCK_GET 0x30
/**
* Sets the impulse block bias to the the value pointed to by arg.
*
* Argument: <tt>double *</tt>
*
* Valid range is -15.0 to 0.0 [default]. A negative impulse block bias will
* direct to encoder to use more bits when incoding short blocks that contain
* strong impulses, thus improving the accuracy of impulse encoding.
*/
#define OV_ECTL_IBLOCK_SET 0x31
/**
* Returns the current encoder coupling setting in the int pointed
* to by arg.
*
* Argument: <tt>int *</tt>
*/
#define OV_ECTL_COUPLING_GET 0x40
/**
* Enables/disables channel coupling in multichannel encoding according to arg.
*
* Argument: <tt>int *</tt>
*
* Zero disables channel coupling for multichannel inputs, nonzer enables
* channel coupling. Setting has no effect on monophonic encoding or
* multichannel counts that do not offer coupling. At present, coupling is
* available for stereo and 5.1 encoding.
*/
#define OV_ECTL_COUPLING_SET 0x41
/* deprecated rate management supported only for compatibility */
/**
* Old interface to querying bitrate management settings.
*
* Deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_GET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_GET 0x10
/**
* Old interface to modifying bitrate management settings.
*
* deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
*
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_SET 0x11
/**
* Old interface to setting average-bitrate encoding mode.
*
* Deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
*
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_AVG 0x12
/**
* Old interface to setting bounded-bitrate encoding modes.
*
* deprecated after move to bit-reservoir style management in 1.1 rendered
* this interface partially obsolete.
*
* \deprecated Please use \ref OV_ECTL_RATEMANAGE2_SET instead.
*
* Argument: <tt>struct ovectl_ratemanage_arg *</tt>
*/
#define OV_ECTL_RATEMANAGE_HARD 0x13
/*@}*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

16
branches/2.0/doubango/thirdparties/iphone/include/vorbis/vorbisfile.h → branches/2.0/doubango/thirdparties/common/include/vorbis/vorbisfile.h
View File

@ -11,7 +11,7 @@
********************************************************************
function: stdio-based convenience library for opening/seeking/decoding
last mod: $Id: vorbisfile.h 16243 2009-07-10 02:49:31Z xiphmont $
last mod: $Id: vorbisfile.h 17182 2010-04-29 03:48:32Z xiphmont $
********************************************************************/
@ -47,7 +47,7 @@ typedef struct {
/* a few sets of convenient callbacks, especially for use under
* Windows where ov_open_callbacks() should always be used instead of
* ov_open() to avoid problems with incompatable crt.o version linking
* ov_open() to avoid problems with incompatible crt.o version linking
* issues. */
static int _ov_header_fseek_wrap(FILE *f,ogg_int64_t off,int whence){
@ -122,7 +122,7 @@ typedef struct OggVorbis_File {
ogg_int64_t *dataoffsets;
long *serialnos;
ogg_int64_t *pcmlengths; /* overloaded to maintain binary
compatability; x2 size, stores both
compatibility; x2 size, stores both
beginning and end values */
vorbis_info *vi;
vorbis_comment *vc;
@ -147,14 +147,14 @@ typedef struct OggVorbis_File {
extern int ov_clear(OggVorbis_File *vf);
extern int ov_fopen(char *path,OggVorbis_File *vf);
extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
extern int ov_fopen(const char *path,OggVorbis_File *vf);
extern int ov_open(FILE *f,OggVorbis_File *vf,const char *initial,long ibytes);
extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf,
char *initial, long ibytes, ov_callbacks callbacks);
const char *initial, long ibytes, ov_callbacks callbacks);
extern int ov_test(FILE *f,OggVorbis_File *vf,char *initial,long ibytes);
extern int ov_test(FILE *f,OggVorbis_File *vf,const char *initial,long ibytes);
extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf,
char *initial, long ibytes, ov_callbacks callbacks);
const char *initial, long ibytes, ov_callbacks callbacks);
extern int ov_test_open(OggVorbis_File *vf);
extern long ov_bitrate(OggVorbis_File *vf,int i);

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@ -1,11 +0,0 @@
#ifndef __CONFIG_TYPES_H__
#define __CONFIG_TYPES_H__
/* these are filled in by configure */
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#endif

208
branches/2.0/doubango/thirdparties/iphone/include/ogg/ogg.h
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@ -1,208 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: toplevel libogg include
last mod: $Id: ogg.h 16051 2009-05-27 05:00:06Z xiphmont $
********************************************************************/
#ifndef _OGG_H
#define _OGG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <ogg/os_types.h>
typedef struct {
void *iov_base;
size_t iov_len;
} ogg_iovec_t;
typedef struct {
long endbyte;
int endbit;
unsigned char *buffer;
unsigned char *ptr;
long storage;
} oggpack_buffer;
/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
typedef struct {
unsigned char *header;
long header_len;
unsigned char *body;
long body_len;
} ogg_page;
/* ogg_stream_state contains the current encode/decode state of a logical
Ogg bitstream **********************************************************/
typedef struct {
unsigned char *body_data; /* bytes from packet bodies */
long body_storage; /* storage elements allocated */
long body_fill; /* elements stored; fill mark */
long body_returned; /* elements of fill returned */
int *lacing_vals; /* The values that will go to the segment table */
ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact
this way, but it is simple coupled to the
lacing fifo */
long lacing_storage;
long lacing_fill;
long lacing_packet;
long lacing_returned;
unsigned char header[282]; /* working space for header encode */
int header_fill;
int e_o_s; /* set when we have buffered the last packet in the
logical bitstream */
int b_o_s; /* set after we've written the initial page
of a logical bitstream */
long serialno;
long pageno;
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a seperate abstraction
layer) also knows about the gap */
ogg_int64_t granulepos;
} ogg_stream_state;
/* ogg_packet is used to encapsulate the data and metadata belonging
to a single raw Ogg/Vorbis packet *************************************/
typedef struct {
unsigned char *packet;
long bytes;
long b_o_s;
long e_o_s;
ogg_int64_t granulepos;
ogg_int64_t packetno; /* sequence number for decode; the framing
knows where there's a hole in the data,
but we need coupling so that the codec
(which is in a seperate abstraction
layer) also knows about the gap */
} ogg_packet;
typedef struct {
unsigned char *data;
int storage;
int fill;
int returned;
int unsynced;
int headerbytes;
int bodybytes;
} ogg_sync_state;
/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/
extern void oggpack_writeinit(oggpack_buffer *b);
extern int oggpack_writecheck(oggpack_buffer *b);
extern void oggpack_writetrunc(oggpack_buffer *b,long bits);
extern void oggpack_writealign(oggpack_buffer *b);
extern void oggpack_writecopy(oggpack_buffer *b,void *source,long bits);
extern void oggpack_reset(oggpack_buffer *b);
extern void oggpack_writeclear(oggpack_buffer *b);
extern void oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void oggpack_write(oggpack_buffer *b,unsigned long value,int bits);
extern long oggpack_look(oggpack_buffer *b,int bits);
extern long oggpack_look1(oggpack_buffer *b);
extern void oggpack_adv(oggpack_buffer *b,int bits);
extern void oggpack_adv1(oggpack_buffer *b);
extern long oggpack_read(oggpack_buffer *b,int bits);
extern long oggpack_read1(oggpack_buffer *b);
extern long oggpack_bytes(oggpack_buffer *b);
extern long oggpack_bits(oggpack_buffer *b);
extern unsigned char *oggpack_get_buffer(oggpack_buffer *b);
extern void oggpackB_writeinit(oggpack_buffer *b);
extern int oggpackB_writecheck(oggpack_buffer *b);
extern void oggpackB_writetrunc(oggpack_buffer *b,long bits);
extern void oggpackB_writealign(oggpack_buffer *b);
extern void oggpackB_writecopy(oggpack_buffer *b,void *source,long bits);
extern void oggpackB_reset(oggpack_buffer *b);
extern void oggpackB_writeclear(oggpack_buffer *b);
extern void oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
extern void oggpackB_write(oggpack_buffer *b,unsigned long value,int bits);
extern long oggpackB_look(oggpack_buffer *b,int bits);
extern long oggpackB_look1(oggpack_buffer *b);
extern void oggpackB_adv(oggpack_buffer *b,int bits);
extern void oggpackB_adv1(oggpack_buffer *b);
extern long oggpackB_read(oggpack_buffer *b,int bits);
extern long oggpackB_read1(oggpack_buffer *b);
extern long oggpackB_bytes(oggpack_buffer *b);
extern long oggpackB_bits(oggpack_buffer *b);
extern unsigned char *oggpackB_get_buffer(oggpack_buffer *b);
/* Ogg BITSTREAM PRIMITIVES: encoding **************************/
extern int ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
extern int ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
int count, long e_o_s, ogg_int64_t granulepos);
extern int ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
/* Ogg BITSTREAM PRIMITIVES: decoding **************************/
extern int ogg_sync_init(ogg_sync_state *oy);
extern int ogg_sync_clear(ogg_sync_state *oy);
extern int ogg_sync_reset(ogg_sync_state *oy);
extern int ogg_sync_destroy(ogg_sync_state *oy);
extern int ogg_sync_check(ogg_sync_state *oy);
extern char *ogg_sync_buffer(ogg_sync_state *oy, long size);
extern int ogg_sync_wrote(ogg_sync_state *oy, long bytes);
extern long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og);
extern int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og);
extern int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og);
extern int ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op);
extern int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op);
/* Ogg BITSTREAM PRIMITIVES: general ***************************/
extern int ogg_stream_init(ogg_stream_state *os,int serialno);
extern int ogg_stream_clear(ogg_stream_state *os);
extern int ogg_stream_reset(ogg_stream_state *os);
extern int ogg_stream_reset_serialno(ogg_stream_state *os,int serialno);
extern int ogg_stream_destroy(ogg_stream_state *os);
extern int ogg_stream_check(ogg_stream_state *os);
extern int ogg_stream_eos(ogg_stream_state *os);
extern void ogg_page_checksum_set(ogg_page *og);
extern int ogg_page_version(const ogg_page *og);
extern int ogg_page_continued(const ogg_page *og);
extern int ogg_page_bos(const ogg_page *og);
extern int ogg_page_eos(const ogg_page *og);
extern ogg_int64_t ogg_page_granulepos(const ogg_page *og);
extern int ogg_page_serialno(const ogg_page *og);
extern long ogg_page_pageno(const ogg_page *og);
extern int ogg_page_packets(const ogg_page *og);
extern void ogg_packet_clear(ogg_packet *op);
#ifdef __cplusplus
}
#endif
#endif /* _OGG_H */

139
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@ -1,139 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
last mod: $Id: os_types.h 14997 2008-06-04 03:27:18Z ivo $
********************************************************************/
#ifndef _OS_TYPES_H
#define _OS_TYPES_H
/* make it easy on the folks that want to compile the libs with a
different malloc than stdlib */
#define _ogg_malloc malloc
#define _ogg_calloc calloc
#define _ogg_realloc realloc
#define _ogg_free free
#if defined(_WIN32)
# if defined(__CYGWIN__)
# include <stdint.h>
typedef int16_t ogg_int16_t;
typedef uint16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef uint32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
typedef uint64_t ogg_uint64_t;
# elif defined(__MINGW32__)
# include <sys/types.h>
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
typedef unsigned long long ogg_uint64_t;
# elif defined(__MWERKS__)
typedef long long ogg_int64_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
# else
/* MSVC/Borland */
typedef __int64 ogg_int64_t;
typedef __int32 ogg_int32_t;
typedef unsigned __int32 ogg_uint32_t;
typedef __int16 ogg_int16_t;
typedef unsigned __int16 ogg_uint16_t;
# endif
#elif defined(__MACOS__)
# include <sys/types.h>
typedef SInt16 ogg_int16_t;
typedef UInt16 ogg_uint16_t;
typedef SInt32 ogg_int32_t;
typedef UInt32 ogg_uint32_t;
typedef SInt64 ogg_int64_t;
#elif (defined(__APPLE__) && defined(__MACH__)) /* MacOS X Framework build */
# include <sys/types.h>
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined(__HAIKU__)
/* Haiku */
# include <sys/types.h>
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined(__BEOS__)
/* Be */
# include <inttypes.h>
typedef int16_t ogg_int16_t;
typedef u_int16_t ogg_uint16_t;
typedef int32_t ogg_int32_t;
typedef u_int32_t ogg_uint32_t;
typedef int64_t ogg_int64_t;
#elif defined (__EMX__)
/* OS/2 GCC */
typedef short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined (DJGPP)
/* DJGPP */
typedef short ogg_int16_t;
typedef int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long ogg_int64_t;
#elif defined(R5900)
/* PS2 EE */
typedef long ogg_int64_t;
typedef int ogg_int32_t;
typedef unsigned ogg_uint32_t;
typedef short ogg_int16_t;
#elif defined(__SYMBIAN32__)
/* Symbian GCC */
typedef signed short ogg_int16_t;
typedef unsigned short ogg_uint16_t;
typedef signed int ogg_int32_t;
typedef unsigned int ogg_uint32_t;
typedef long long int ogg_int64_t;
#else
# include <sys/types.h>
# include <ogg/config_types.h>
#endif
#endif /* _OS_TYPES_H */

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function:
last mod: $Id: theora.h,v 1.8 2004/03/15 22:17:32 derf Exp $
********************************************************************/
/**\mainpage
*
* \section intro Introduction
*
* This is the documentation for <tt>libtheora</tt> C API.
* The current reference
* implementation for <a href="http://www.theora.org/">Theora</a>, a free,
* patent-unencumbered video codec.
* Theora is derived from On2's VP3 codec with additional features and
* integration with Ogg multimedia formats by
* <a href="http://www.xiph.org/">the Xiph.Org Foundation</a>.
* Complete documentation of the format itself is available in
* <a href="http://www.theora.org/doc/Theora.pdf">the Theora
* specification</a>.
*
* \subsection Organization
*
* The functions documented here are actually subdivided into three
* separate libraries:
* - <tt>libtheoraenc</tt> contains the encoder interface,
* described in \ref encfuncs.
* - <tt>libtheoradec</tt> contains the decoder interface and
* routines shared with the encoder.
* You must also link to this if you link to <tt>libtheoraenc</tt>.
* The routines in this library are described in \ref decfuncs and
* \ref basefuncs.
* - <tt>libtheora</tt> contains the \ref oldfuncs.
*
* New code should link to <tt>libtheoradec</tt> and, if using encoder
* features, <tt>libtheoraenc</tt>. Together these two export both
* the standard and the legacy API, so this is all that is needed by
* any code. The older <tt>libtheora</tt> library is provided just for
* compatibility with older build configurations.
*
* In general the recommended 1.x API symbols can be distinguished
* by their <tt>th_</tt> or <tt>TH_</tt> namespace prefix.
* The older, legacy API uses <tt>theora_</tt> or <tt>OC_</tt>
* prefixes instead.
*/
/**\file
* The shared <tt>libtheoradec</tt> and <tt>libtheoraenc</tt> C API.
* You don't need to include this directly.*/
#if !defined(_O_THEORA_CODEC_H_)
# define _O_THEORA_CODEC_H_ (1)
# include <ogg/ogg.h>
#if defined(__cplusplus)
extern "C" {
#endif
/**\name Return codes*/
/*@{*/
/**An invalid pointer was provided.*/
#define TH_EFAULT (-1)
/**An invalid argument was provided.*/
#define TH_EINVAL (-10)
/**The contents of the header were incomplete, invalid, or unexpected.*/
#define TH_EBADHEADER (-20)
/**The header does not belong to a Theora stream.*/
#define TH_ENOTFORMAT (-21)
/**The bitstream version is too high.*/
#define TH_EVERSION (-22)
/**The specified function is not implemented.*/
#define TH_EIMPL (-23)
/**There were errors in the video data packet.*/
#define TH_EBADPACKET (-24)
/**The decoded packet represented a dropped frame.
The player can continue to display the current frame, as the contents of the
decoded frame buffer have not changed.*/
#define TH_DUPFRAME (1)
/*@}*/
/**The currently defined color space tags.
* See <a href="http://www.theora.org/doc/Theora.pdf">the Theora
* specification</a>, Chapter 4, for exact details on the meaning
* of each of these color spaces.*/
typedef enum{
/**The color space was not specified at the encoder.
It may be conveyed by an external means.*/
TH_CS_UNSPECIFIED,
/**A color space designed for NTSC content.*/
TH_CS_ITU_REC_470M,
/**A color space designed for PAL/SECAM content.*/
TH_CS_ITU_REC_470BG,
/**The total number of currently defined color spaces.*/
TH_CS_NSPACES
}th_colorspace;
/**The currently defined pixel format tags.
* See <a href="http://www.theora.org/doc/Theora.pdf">the Theora
* specification</a>, Section 4.4, for details on the precise sample
* locations.*/
typedef enum{
/**Chroma decimation by 2 in both the X and Y directions (4:2:0).
The Cb and Cr chroma planes are half the width and half the
height of the luma plane.*/
TH_PF_420,
/**Currently reserved.*/
TH_PF_RSVD,
/**Chroma decimation by 2 in the X direction (4:2:2).
The Cb and Cr chroma planes are half the width of the luma plane, but full
height.*/
TH_PF_422,
/**No chroma decimation (4:4:4).
The Cb and Cr chroma planes are full width and full height.*/
TH_PF_444,
/**The total number of currently defined pixel formats.*/
TH_PF_NFORMATS
}th_pixel_fmt;
/**A buffer for a single color plane in an uncompressed image.
* This contains the image data in a left-to-right, top-down format.
* Each row of pixels is stored contiguously in memory, but successive
* rows need not be.
* Use \a stride to compute the offset of the next row.
* The encoder accepts both positive \a stride values (top-down in memory)
* and negative (bottom-up in memory).
* The decoder currently always generates images with positive strides.*/
typedef struct{
/**The width of this plane.*/
int width;
/**The height of this plane.*/
int height;
/**The offset in bytes between successive rows.*/
int stride;
/**A pointer to the beginning of the first row.*/
unsigned char *data;
}th_img_plane;
/**A complete image buffer for an uncompressed frame.
* The chroma planes may be decimated by a factor of two in either
* direction, as indicated by th_info#pixel_fmt.
* The width and height of the Y' plane must be multiples of 16.
* They may need to be cropped for display, using the rectangle
* specified by th_info#pic_x, th_info#pic_y, th_info#pic_width,
* and th_info#pic_height.
* All samples are 8 bits.
* \note The term YUV often used to describe a colorspace is ambiguous.
* The exact parameters of the RGB to YUV conversion process aside, in
* many contexts the U and V channels actually have opposite meanings.
* To avoid this confusion, we are explicit: the name of the color
* channels are Y'CbCr, and they appear in that order, always.
* The prime symbol denotes that the Y channel is non-linear.
* Cb and Cr stand for "Chroma blue" and "Chroma red", respectively.*/
typedef th_img_plane th_ycbcr_buffer[3];
/**Theora bitstream information.
* This contains the basic playback parameters for a stream, and corresponds to
* the initial 'info' header packet.
* To initialize an encoder, the application fills in this structure and
* passes it to th_encode_alloc().
* A default encoding mode is chosen based on the values of the #quality and
* #target_bitrate fields.
* On decode, it is filled in by th_decode_headerin(), and then passed to
* th_decode_alloc().
*
* Encoded Theora frames must be a multiple of 16 in size;
* this is what the #frame_width and #frame_height members represent.
* To handle arbitrary picture sizes, a crop rectangle is specified in the
* #pic_x, #pic_y, #pic_width and #pic_height members.
*
* All frame buffers contain pointers to the full, padded frame.
* However, the current encoder <em>will not</em> reference pixels outside of
* the cropped picture region, and the application does not need to fill them
* in.
* The decoder <em>will</em> allocate storage for a full frame, but the
* application <em>should not</em> rely on the padding containing sensible
* data.
*
* It is also generally recommended that the offsets and sizes should still be
* multiples of 2 to avoid chroma sampling shifts when chroma is sub-sampled.
* See <a href="http://www.theora.org/doc/Theora.pdf">the Theora
* specification</a>, Section 4.4, for more details.
*
* Frame rate, in frames per second, is stored as a rational fraction, as is
* the pixel aspect ratio.
* Note that this refers to the aspect ratio of the individual pixels, not of
* the overall frame itself.
* The frame aspect ratio can be computed from pixel aspect ratio using the
* image dimensions.*/
typedef struct{
/**\name Theora version
* Bitstream version information.*/
/*@{*/
unsigned char version_major;
unsigned char version_minor;
unsigned char version_subminor;
/*@}*/
/**The encoded frame width.
* This must be a multiple of 16, and less than 1048576.*/
ogg_uint32_t frame_width;
/**The encoded frame height.
* This must be a multiple of 16, and less than 1048576.*/
ogg_uint32_t frame_height;
/**The displayed picture width.
* This must be no larger than width.*/
ogg_uint32_t pic_width;
/**The displayed picture height.
* This must be no larger than height.*/
ogg_uint32_t pic_height;
/**The X offset of the displayed picture.
* This must be no larger than #frame_width-#pic_width or 255, whichever is
* smaller.*/
ogg_uint32_t pic_x;
/**The Y offset of the displayed picture.
* This must be no larger than #frame_height-#pic_height, and
* #frame_height-#pic_height-#pic_y must be no larger than 255.
* This slightly funny restriction is due to the fact that the offset is
* specified from the top of the image for consistency with the standard
* graphics left-handed coordinate system used throughout this API, while
* it is stored in the encoded stream as an offset from the bottom.*/
ogg_uint32_t pic_y;
/**\name Frame rate
* The frame rate, as a fraction.
* If either is 0, the frame rate is undefined.*/
/*@{*/
ogg_uint32_t fps_numerator;
ogg_uint32_t fps_denominator;
/*@}*/
/**\name Aspect ratio
* The aspect ratio of the pixels.
* If either value is zero, the aspect ratio is undefined.
* If not specified by any external means, 1:1 should be assumed.
* The aspect ratio of the full picture can be computed as
* \code
* aspect_numerator*pic_width/(aspect_denominator*pic_height).
* \endcode */
/*@{*/
ogg_uint32_t aspect_numerator;
ogg_uint32_t aspect_denominator;
/*@}*/
/**The color space.*/
th_colorspace colorspace;
/**The pixel format.*/
th_pixel_fmt pixel_fmt;
/**The target bit-rate in bits per second.
If initializing an encoder with this struct, set this field to a non-zero
value to activate CBR encoding by default.*/
int target_bitrate;
/**The target quality level.
Valid values range from 0 to 63, inclusive, with higher values giving
higher quality.
If initializing an encoder with this struct, and #target_bitrate is set
to zero, VBR encoding at this quality will be activated by default.*/
/*Currently this is set so that a qi of 0 corresponds to distortions of 24
times the JND, and each increase by 16 halves that value.
This gives us fine discrimination at low qualities, yet effective rate
control at high qualities.
The qi value 63 is special, however.
For this, the highest quality, we use one half of a JND for our threshold.
Due to the lower bounds placed on allowable quantizers in Theora, we will
not actually be able to achieve quality this good, but this should
provide as close to visually lossless quality as Theora is capable of.
We could lift the quantizer restrictions without breaking VP3.1
compatibility, but this would result in quantized coefficients that are
too large for the current bitstream to be able to store.
We'd have to redesign the token syntax to store these large coefficients,
which would make transcoding complex.*/
int quality;
/**The amount to shift to extract the last keyframe number from the granule
* position.
* This can be at most 31.
* th_info_init() will set this to a default value (currently <tt>6</tt>,
* which is good for streaming applications), but you can set it to 0 to
* make every frame a keyframe.
* The maximum distance between key frames is
* <tt>1<<#keyframe_granule_shift</tt>.
* The keyframe frequency can be more finely controlled with
* #TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE, which can also be adjusted
* during encoding (for example, to force the next frame to be a keyframe),
* but it cannot be set larger than the amount permitted by this field after
* the headers have been output.*/
int keyframe_granule_shift;
}th_info;
/**The comment information.
*
* This structure holds the in-stream metadata corresponding to
* the 'comment' header packet.
* The comment header is meant to be used much like someone jotting a quick
* note on the label of a video.
* It should be a short, to the point text note that can be more than a couple
* words, but not more than a short paragraph.
*
* The metadata is stored as a series of (tag, value) pairs, in
* length-encoded string vectors.
* The first occurrence of the '=' character delimits the tag and value.
* A particular tag may occur more than once, and order is significant.
* The character set encoding for the strings is always UTF-8, but the tag
* names are limited to ASCII, and treated as case-insensitive.
* See <a href="http://www.theora.org/doc/Theora.pdf">the Theora
* specification</a>, Section 6.3.3 for details.
*
* In filling in this structure, th_decode_headerin() will null-terminate
* the user_comment strings for safety.
* However, the bitstream format itself treats them as 8-bit clean vectors,
* possibly containing null characters, and so the length array should be
* treated as their authoritative length.
*/
typedef struct th_comment{
/**The array of comment string vectors.*/
char **user_comments;
/**An array of the corresponding length of each vector, in bytes.*/
int *comment_lengths;
/**The total number of comment strings.*/
int comments;
/**The null-terminated vendor string.
This identifies the software used to encode the stream.*/
char *vendor;
}th_comment;
/**A single base matrix.*/
typedef unsigned char th_quant_base[64];
/**A set of \a qi ranges.*/
typedef struct{
/**The number of ranges in the set.*/
int nranges;
/**The size of each of the #nranges ranges.
These must sum to 63.*/
const int *sizes;
/**#nranges <tt>+1</tt> base matrices.
Matrices \a i and <tt>i+1</tt> form the endpoints of range \a i.*/
const th_quant_base *base_matrices;
}th_quant_ranges;
/**A complete set of quantization parameters.
The quantizer for each coefficient is calculated as:
\code
Q=MAX(MIN(qmin[qti][ci!=0],scale[ci!=0][qi]*base[qti][pli][qi][ci]/100),
1024).
\endcode
\a qti is the quantization type index: 0 for intra, 1 for inter.
<tt>ci!=0</tt> is 0 for the DC coefficient and 1 for AC coefficients.
\a qi is the quality index, ranging between 0 (low quality) and 63 (high
quality).
\a pli is the color plane index: 0 for Y', 1 for Cb, 2 for Cr.
\a ci is the DCT coefficient index.
Coefficient indices correspond to the normal 2D DCT block
ordering--row-major with low frequencies first--\em not zig-zag order.
Minimum quantizers are constant, and are given by:
\code
qmin[2][2]={{4,2},{8,4}}.
\endcode
Parameters that can be stored in the bitstream are as follows:
- The two scale matrices ac_scale and dc_scale.
\code
scale[2][64]={dc_scale,ac_scale}.
\endcode
- The base matrices for each \a qi, \a qti and \a pli (up to 384 in all).
In order to avoid storing a full 384 base matrices, only a sparse set of
matrices are stored, and the rest are linearly interpolated.
This is done as follows.
For each \a qti and \a pli, a series of \a n \a qi ranges is defined.
The size of each \a qi range can vary arbitrarily, but they must sum to
63.
Then, <tt>n+1</tt> matrices are specified, one for each endpoint of the
ranges.
For interpolation purposes, each range's endpoints are the first \a qi
value it contains and one past the last \a qi value it contains.
Fractional values are rounded to the nearest integer, with ties rounded
away from zero.
Base matrices are stored by reference, so if the same matrices are used
multiple times, they will only appear once in the bitstream.
The bitstream is also capable of omitting an entire set of ranges and
its associated matrices if they are the same as either the previous
set (indexed in row-major order) or if the inter set is the same as the
intra set.
- Loop filter limit values.
The same limits are used for the loop filter in all color planes, despite
potentially differing levels of quantization in each.
For the current encoder, <tt>scale[ci!=0][qi]</tt> must be no greater
than <tt>scale[ci!=0][qi-1]</tt> and <tt>base[qti][pli][qi][ci]</tt> must
be no greater than <tt>base[qti][pli][qi-1][ci]</tt>.
These two conditions ensure that the actual quantizer for a given \a qti,
\a pli, and \a ci does not increase as \a qi increases.
This is not required by the decoder.*/
typedef struct{
/**The DC scaling factors.*/
ogg_uint16_t dc_scale[64];
/**The AC scaling factors.*/
ogg_uint16_t ac_scale[64];
/**The loop filter limit values.*/
unsigned char loop_filter_limits[64];
/**The \a qi ranges for each \a ci and \a pli.*/
th_quant_ranges qi_ranges[2][3];
}th_quant_info;
/**The number of Huffman tables used by Theora.*/
#define TH_NHUFFMAN_TABLES (80)
/**The number of DCT token values in each table.*/
#define TH_NDCT_TOKENS (32)
/**A Huffman code for a Theora DCT token.
* Each set of Huffman codes in a given table must form a complete, prefix-free
* code.
* There is no requirement that all the tokens in a table have a valid code,
* but the current encoder is not optimized to take advantage of this.
* If each of the five grouops of 16 tables does not contain at least one table
* with a code for every token, then the encoder may fail to encode certain
* frames.
* The complete table in the first group of 16 does not have to be in the same
* place as the complete table in the other groups, but the complete tables in
* the remaining four groups must all be in the same place.*/
typedef struct{
/**The bit pattern for the code, with the LSbit of the pattern aligned in
* the LSbit of the word.*/
ogg_uint32_t pattern;
/**The number of bits in the code.
* This must be between 0 and 32, inclusive.*/
int nbits;
}th_huff_code;
/**\defgroup basefuncs Functions Shared by Encode and Decode*/
/*@{*/
/**\name Basic shared functions*/
/*@{*/
/**Retrieves a human-readable string to identify the library vendor and
* version.
* \return the version string.*/
extern const char *th_version_string(void);
/**Retrieves the library version number.
* This is the highest bitstream version that the encoder library will produce,
* or that the decoder library can decode.
* This number is composed of a 16-bit major version, 8-bit minor version
* and 8 bit sub-version, composed as follows:
* \code
* (VERSION_MAJOR<<16)+(VERSION_MINOR<<8)+(VERSION_SUBMINOR)
* \endcode
* \return the version number.*/
extern ogg_uint32_t th_version_number(void);
/**Converts a granule position to an absolute frame index, starting at
* <tt>0</tt>.
* The granule position is interpreted in the context of a given
* #th_enc_ctx or #th_dec_ctx handle (either will suffice).
* \param _encdec A previously allocated #th_enc_ctx or #th_dec_ctx
* handle.
* \param _granpos The granule position to convert.
* \returns The absolute frame index corresponding to \a _granpos.
* \retval -1 The given granule position was invalid (i.e. negative).*/
extern ogg_int64_t th_granule_frame(void *_encdec,ogg_int64_t _granpos);
/**Converts a granule position to an absolute time in seconds.
* The granule position is interpreted in the context of a given
* #th_enc_ctx or #th_dec_ctx handle (either will suffice).
* \param _encdec A previously allocated #th_enc_ctx or #th_dec_ctx
* handle.
* \param _granpos The granule position to convert.
* \return The absolute time in seconds corresponding to \a _granpos.
* This is the "end time" for the frame, or the latest time it should
* be displayed.
* It is not the presentation time.
* \retval -1 The given granule position was invalid (i.e. negative).*/
extern double th_granule_time(void *_encdec,ogg_int64_t _granpos);
/**Determines whether a Theora packet is a header or not.
* This function does no verification beyond checking the packet type bit, so
* it should not be used for bitstream identification; use
* th_decode_headerin() for that.
* As per the Theora specification, an empty (0-byte) packet is treated as a
* data packet (a delta frame with no coded blocks).
* \param _op An <tt>ogg_packet</tt> containing encoded Theora data.
* \retval 1 The packet is a header packet
* \retval 0 The packet is a video data packet.*/
extern int th_packet_isheader(ogg_packet *_op);
/**Determines whether a theora packet is a key frame or not.
* This function does no verification beyond checking the packet type and
* key frame bits, so it should not be used for bitstream identification; use
* th_decode_headerin() for that.
* As per the Theora specification, an empty (0-byte) packet is treated as a
* delta frame (with no coded blocks).
* \param _op An <tt>ogg_packet</tt> containing encoded Theora data.
* \retval 1 The packet contains a key frame.
* \retval 0 The packet contains a delta frame.
* \retval -1 The packet is not a video data packet.*/
extern int th_packet_iskeyframe(ogg_packet *_op);
/*@}*/
/**\name Functions for manipulating header data*/
/*@{*/
/**Initializes a th_info structure.
* This should be called on a freshly allocated #th_info structure before
* attempting to use it.
* \param _info The #th_info struct to initialize.*/
extern void th_info_init(th_info *_info);
/**Clears a #th_info structure.
* This should be called on a #th_info structure after it is no longer
* needed.
* \param _info The #th_info struct to clear.*/
extern void th_info_clear(th_info *_info);
/**Initialize a #th_comment structure.
* This should be called on a freshly allocated #th_comment structure
* before attempting to use it.
* \param _tc The #th_comment struct to initialize.*/
extern void th_comment_init(th_comment *_tc);
/**Add a comment to an initialized #th_comment structure.
* \note Neither th_comment_add() nor th_comment_add_tag() support
* comments containing null values, although the bitstream format does
* support them.
* To add such comments you will need to manipulate the #th_comment
* structure directly.
* \param _tc The #th_comment struct to add the comment to.
* \param _comment Must be a null-terminated UTF-8 string containing the
* comment in "TAG=the value" form.*/
extern void th_comment_add(th_comment *_tc, char *_comment);
/**Add a comment to an initialized #th_comment structure.
* \note Neither th_comment_add() nor th_comment_add_tag() support
* comments containing null values, although the bitstream format does
* support them.
* To add such comments you will need to manipulate the #th_comment
* structure directly.
* \param _tc The #th_comment struct to add the comment to.
* \param _tag A null-terminated string containing the tag associated with
* the comment.
* \param _val The corresponding value as a null-terminated string.*/
extern void th_comment_add_tag(th_comment *_tc,char *_tag,char *_val);
/**Look up a comment value by its tag.
* \param _tc An initialized #th_comment structure.
* \param _tag The tag to look up.
* \param _count The instance of the tag.
* The same tag can appear multiple times, each with a distinct
* value, so an index is required to retrieve them all.
* The order in which these values appear is significant and
* should be preserved.
* Use th_comment_query_count() to get the legal range for
* the \a _count parameter.
* \return A pointer to the queried tag's value.
* This points directly to data in the #th_comment structure.
* It should not be modified or freed by the application, and
* modifications to the structure may invalidate the pointer.
* \retval NULL If no matching tag is found.*/
extern char *th_comment_query(th_comment *_tc,char *_tag,int _count);
/**Look up the number of instances of a tag.
* Call this first when querying for a specific tag and then iterate over the
* number of instances with separate calls to th_comment_query() to
* retrieve all the values for that tag in order.
* \param _tc An initialized #th_comment structure.
* \param _tag The tag to look up.
* \return The number on instances of this particular tag.*/
extern int th_comment_query_count(th_comment *_tc,char *_tag);
/**Clears a #th_comment structure.
* This should be called on a #th_comment structure after it is no longer
* needed.
* It will free all memory used by the structure members.
* \param _tc The #th_comment struct to clear.*/
extern void th_comment_clear(th_comment *_tc);
/*@}*/
/*@}*/
#if defined(__cplusplus)
}
#endif
#endif

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/********************************************************************
* *
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function:
last mod: $Id: theora.h,v 1.8 2004/03/15 22:17:32 derf Exp $
********************************************************************/
/**\file
* The <tt>libtheoradec</tt> C decoding API.*/
#if !defined(_O_THEORA_THEORADEC_H_)
# define _O_THEORA_THEORADEC_H_ (1)
# include <stddef.h>
# include <ogg/ogg.h>
# include "codec.h"
#if defined(__cplusplus)
extern "C" {
#endif
/**\name th_decode_ctl() codes
* \anchor decctlcodes
* These are the available request codes for th_decode_ctl().
* By convention, these are odd, to distinguish them from the
* \ref encctlcodes "encoder control codes".
* Keep any experimental or vendor-specific values above \c 0x8000.*/
/*@{*/
/**Gets the maximum post-processing level.
* The decoder supports a post-processing filter that can improve
* the appearance of the decoded images. This returns the highest
* level setting for this post-processor, corresponding to maximum
* improvement and computational expense.
*
* \param[out] _buf int: The maximum post-processing level.
* \retval TH_EFAULT \a _dec_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_DECCTL_GET_PPLEVEL_MAX (1)
/**Sets the post-processing level.
* By default, post-processing is disabled.
*
* Sets the level of post-processing to use when decoding the
* compressed stream. This must be a value between zero (off)
* and the maximum returned by TH_DECCTL_GET_PPLEVEL_MAX.
*
* \param[in] _buf int: The new post-processing level.
* 0 to disable; larger values use more CPU.
* \retval TH_EFAULT \a _dec_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(int)</tt>, or the
* post-processing level is out of bounds.
* The maximum post-processing level may be
* implementation-specific, and can be obtained via
* #TH_DECCTL_GET_PPLEVEL_MAX.
* \retval TH_EIMPL Not supported by this implementation.*/
#define TH_DECCTL_SET_PPLEVEL (3)
/**Sets the granule position.
* Call this after a seek, before decoding the first frame, to ensure that the
* proper granule position is returned for all subsequent frames.
* If you track timestamps yourself and do not use the granule position
* returned by the decoder, then you need not call this function.
*
* \param[in] _buf <tt>ogg_int64_t</tt>: The granule position of the next
* frame.
* \retval TH_EFAULT \a _dec_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not <tt>sizeof(ogg_int64_t)</tt>, or the
* granule position is negative.*/
#define TH_DECCTL_SET_GRANPOS (5)
/**Sets the striped decode callback function.
* If set, this function will be called as each piece of a frame is fully
* decoded in th_decode_packetin().
* You can pass in a #th_stripe_callback with
* th_stripe_callback#stripe_decoded set to <tt>NULL</tt> to disable the
* callbacks at any point.
* Enabling striped decode does not prevent you from calling
* th_decode_ycbcr_out() after the frame is fully decoded.
*
* \param[in] _buf #th_stripe_callback: The callback parameters.
* \retval TH_EFAULT \a _dec_ctx or \a _buf is <tt>NULL</tt>.
* \retval TH_EINVAL \a _buf_sz is not
* <tt>sizeof(th_stripe_callback)</tt>.*/
#define TH_DECCTL_SET_STRIPE_CB (7)
/**Enables telemetry and sets the macroblock display mode */
#define TH_DECCTL_SET_TELEMETRY_MBMODE (9)
/**Enables telemetry and sets the motion vector display mode */
#define TH_DECCTL_SET_TELEMETRY_MV (11)
/**Enables telemetry and sets the adaptive quantization display mode */
#define TH_DECCTL_SET_TELEMETRY_QI (13)
/**Enables telemetry and sets the bitstream breakdown visualization mode */
#define TH_DECCTL_SET_TELEMETRY_BITS (15)
/*@}*/
/**A callback function for striped decode.
* This is a function pointer to an application-provided function that will be
* called each time a section of the image is fully decoded in
* th_decode_packetin().
* This allows the application to process the section immediately, while it is
* still in cache.
* Note that the frame is decoded bottom to top, so \a _yfrag0 will steadily
* decrease with each call until it reaches 0, at which point the full frame
* is decoded.
* The number of fragment rows made available in each call depends on the pixel
* format and the number of post-processing filters enabled, and may not even
* be constant for the entire frame.
* If a non-<tt>NULL</tt> \a _granpos pointer is passed to
* th_decode_packetin(), the granule position for the frame will be stored
* in it before the first callback is made.
* If an entire frame is dropped (a 0-byte packet), then no callbacks will be
* made at all for that frame.
* \param _ctx An application-provided context pointer.
* \param _buf The image buffer for the decoded frame.
* \param _yfrag0 The Y coordinate of the first row of 8x8 fragments
* decoded.
* Multiply this by 8 to obtain the pixel row number in the
* luma plane.
* If the chroma planes are subsampled in the Y direction,
* this will always be divisible by two.
* \param _yfrag_end The Y coordinate of the first row of 8x8 fragments past
* the newly decoded section.
* If the chroma planes are subsampled in the Y direction,
* this will always be divisible by two.
* I.e., this section contains fragment rows
* <tt>\a _yfrag0 ...\a _yfrag_end -1</tt>.*/
typedef void (*th_stripe_decoded_func)(void *_ctx,th_ycbcr_buffer _buf,
int _yfrag0,int _yfrag_end);
/**The striped decode callback data to pass to #TH_DECCTL_SET_STRIPE_CB.*/
typedef struct{
/**An application-provided context pointer.
* This will be passed back verbatim to the application.*/
void *ctx;
/**The callback function pointer.*/
th_stripe_decoded_func stripe_decoded;
}th_stripe_callback;
/**\name Decoder state
The following data structures are opaque, and their contents are not
publicly defined by this API.
Referring to their internals directly is unsupported, and may break without
warning.*/
/*@{*/
/**The decoder context.*/
typedef struct th_dec_ctx th_dec_ctx;
/**Setup information.
This contains auxiliary information (Huffman tables and quantization
parameters) decoded from the setup header by th_decode_headerin() to be
passed to th_decode_alloc().
It can be re-used to initialize any number of decoders, and can be freed
via th_setup_free() at any time.*/
typedef struct th_setup_info th_setup_info;
/*@}*/
/**\defgroup decfuncs Functions for Decoding*/
/*@{*/
/**\name Functions for decoding
* You must link to <tt>libtheoradec</tt> if you use any of the
* functions in this section.
*
* The functions are listed in the order they are used in a typical decode.
* The basic steps are:
* - Parse the header packets by repeatedly calling th_decode_headerin().
* - Allocate a #th_dec_ctx handle with th_decode_alloc().
* - Call th_setup_free() to free any memory used for codec setup
* information.
* - Perform any additional decoder configuration with th_decode_ctl().
* - For each video data packet:
* - Submit the packet to the decoder via th_decode_packetin().
* - Retrieve the uncompressed video data via th_decode_ycbcr_out().
* - Call th_decode_free() to release all decoder memory.*/
/*@{*/
/**Decodes the header packets of a Theora stream.
* This should be called on the initial packets of the stream, in succession,
* until it returns <tt>0</tt>, indicating that all headers have been
* processed, or an error is encountered.
* At least three header packets are required, and additional optional header
* packets may follow.
* This can be used on the first packet of any logical stream to determine if
* that stream is a Theora stream.
* \param _info A #th_info structure to fill in.
* This must have been previously initialized with
* th_info_init().
* The application may immediately begin using the contents of
* this structure after the first header is decoded, though it
* must continue to be passed in on all subsequent calls.
* \param _tc A #th_comment structure to fill in.
* The application may immediately begin using the contents of
* this structure after the second header is decoded, though it
* must continue to be passed in on all subsequent calls.
* \param _setup Returns a pointer to additional, private setup information
* needed by the decoder.
* The contents of this pointer must be initialized to
* <tt>NULL</tt> on the first call, and the returned value must
* continue to be passed in on all subsequent calls.
* \param _op An <tt>ogg_packet</tt> structure which contains one of the
* initial packets of an Ogg logical stream.
* \return A positive value indicates that a Theora header was successfully
* processed.
* \retval 0 The first video data packet was encountered after all
* required header packets were parsed.
* The packet just passed in on this call should be saved
* and fed to th_decode_packetin() to begin decoding
* video data.
* \retval TH_EFAULT One of \a _info, \a _tc, or \a _setup was
* <tt>NULL</tt>.
* \retval TH_EBADHEADER \a _op was <tt>NULL</tt>, the packet was not the next
* header packet in the expected sequence, or the format
* of the header data was invalid.
* \retval TH_EVERSION The packet data was a Theora info header, but for a
* bitstream version not decodable with this version of
* <tt>libtheoradec</tt>.
* \retval TH_ENOTFORMAT The packet was not a Theora header.
*/
extern int th_decode_headerin(th_info *_info,th_comment *_tc,
th_setup_info **_setup,ogg_packet *_op);
/**Allocates a decoder instance.
*
* <b>Security Warning:</b> The Theora format supports very large frame sizes,
* potentially even larger than the address space of a 32-bit machine, and
* creating a decoder context allocates the space for several frames of data.
* If the allocation fails here, your program will crash, possibly at some
* future point because the OS kernel returned a valid memory range and will
* only fail when it tries to map the pages in it the first time they are
* used.
* Even if it succeeds, you may experience a denial of service if the frame
* size is large enough to cause excessive paging.
* If you are integrating libtheora in a larger application where such things
* are undesirable, it is highly recommended that you check the frame size in
* \a _info before calling this function and refuse to decode streams where it
* is larger than some reasonable maximum.
* libtheora will not check this for you, because there may be machines that
* can handle such streams and applications that wish to.
* \param _info A #th_info struct filled via th_decode_headerin().
* \param _setup A #th_setup_info handle returned via
* th_decode_headerin().
* \return The initialized #th_dec_ctx handle.
* \retval NULL If the decoding parameters were invalid.*/
extern th_dec_ctx *th_decode_alloc(const th_info *_info,
const th_setup_info *_setup);
/**Releases all storage used for the decoder setup information.
* This should be called after you no longer want to create any decoders for
* a stream whose headers you have parsed with th_decode_headerin().
* \param _setup The setup information to free.
* This can safely be <tt>NULL</tt>.*/
extern void th_setup_free(th_setup_info *_setup);
/**Decoder control function.
* This is used to provide advanced control of the decoding process.
* \param _dec A #th_dec_ctx handle.
* \param _req The control code to process.
* See \ref decctlcodes "the list of available control codes"
* for details.
* \param _buf The parameters for this control code.
* \param _buf_sz The size of the parameter buffer.*/
extern int th_decode_ctl(th_dec_ctx *_dec,int _req,void *_buf,
size_t _buf_sz);
/**Submits a packet containing encoded video data to the decoder.
* \param _dec A #th_dec_ctx handle.
* \param _op An <tt>ogg_packet</tt> containing encoded video data.
* \param _granpos Returns the granule position of the decoded packet.
* If non-<tt>NULL</tt>, the granule position for this specific
* packet is stored in this location.
* This is computed incrementally from previously decoded
* packets.
* After a seek, the correct granule position must be set via
* #TH_DECCTL_SET_GRANPOS for this to work properly.
* \retval 0 Success.
* A new decoded frame can be retrieved by calling
* th_decode_ycbcr_out().
* \retval TH_DUPFRAME The packet represented a dropped (0-byte) frame.
* The player can skip the call to th_decode_ycbcr_out(),
* as the contents of the decoded frame buffer have not
* changed.
* \retval TH_EFAULT \a _dec or \a _op was <tt>NULL</tt>.
* \retval TH_EBADPACKET \a _op does not contain encoded video data.
* \retval TH_EIMPL The video data uses bitstream features which this
* library does not support.*/
extern int th_decode_packetin(th_dec_ctx *_dec,const ogg_packet *_op,
ogg_int64_t *_granpos);
/**Outputs the next available frame of decoded Y'CbCr data.
* If a striped decode callback has been set with #TH_DECCTL_SET_STRIPE_CB,
* then the application does not need to call this function.
* \param _dec A #th_dec_ctx handle.
* \param _ycbcr A video buffer structure to fill in.
* <tt>libtheoradec</tt> will fill in all the members of this
* structure, including the pointers to the uncompressed video
* data.
* The memory for this video data is owned by
* <tt>libtheoradec</tt>.
* It may be freed or overwritten without notification when
* subsequent frames are decoded.
* \retval 0 Success
* \retval TH_EFAULT \a _dec or \a _ycbcr was <tt>NULL</tt>.
*/
extern int th_decode_ycbcr_out(th_dec_ctx *_dec,
th_ycbcr_buffer _ycbcr);
/**Frees an allocated decoder instance.
* \param _dec A #th_dec_ctx handle.*/
extern void th_decode_free(th_dec_ctx *_dec);
/*@}*/
/*@}*/
#if defined(__cplusplus)
}
#endif
#endif

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@ -1,243 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
********************************************************************
function: libvorbis codec headers
last mod: $Id: codec.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
#ifndef _vorbis_codec_h_
#define _vorbis_codec_h_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include <ogg/ogg.h>
typedef struct vorbis_info{
int version;
int channels;
long rate;
/* The below bitrate declarations are *hints*.
Combinations of the three values carry the following implications:
all three set to the same value:
implies a fixed rate bitstream
only nominal set:
implies a VBR stream that averages the nominal bitrate. No hard
upper/lower limit
upper and or lower set:
implies a VBR bitstream that obeys the bitrate limits. nominal
may also be set to give a nominal rate.
none set:
the coder does not care to speculate.
*/
long bitrate_upper;
long bitrate_nominal;
long bitrate_lower;
long bitrate_window;
void *codec_setup;
} vorbis_info;
/* vorbis_dsp_state buffers the current vorbis audio
analysis/synthesis state. The DSP state belongs to a specific
logical bitstream ****************************************************/
typedef struct vorbis_dsp_state{
int analysisp;
vorbis_info *vi;
float **pcm;
float **pcmret;
int pcm_storage;
int pcm_current;
int pcm_returned;
int preextrapolate;
int eofflag;
long lW;
long W;
long nW;
long centerW;
ogg_int64_t granulepos;
ogg_int64_t sequence;
ogg_int64_t glue_bits;
ogg_int64_t time_bits;
ogg_int64_t floor_bits;
ogg_int64_t res_bits;
void *backend_state;
} vorbis_dsp_state;
typedef struct vorbis_block{
/* necessary stream state for linking to the framing abstraction */
float **pcm; /* this is a pointer into local storage */
oggpack_buffer opb;
long lW;
long W;
long nW;
int pcmend;
int mode;
int eofflag;
ogg_int64_t granulepos;
ogg_int64_t sequence;
vorbis_dsp_state *vd; /* For read-only access of configuration */
/* local storage to avoid remallocing; it's up to the mapping to
structure it */
void *localstore;
long localtop;
long localalloc;
long totaluse;
struct alloc_chain *reap;
/* bitmetrics for the frame */
long glue_bits;
long time_bits;
long floor_bits;
long res_bits;
void *internal;
} vorbis_block;
/* vorbis_block is a single block of data to be processed as part of
the analysis/synthesis stream; it belongs to a specific logical
bitstream, but is independant from other vorbis_blocks belonging to
that logical bitstream. *************************************************/
struct alloc_chain{
void *ptr;
struct alloc_chain *next;
};
/* vorbis_info contains all the setup information specific to the
specific compression/decompression mode in progress (eg,
psychoacoustic settings, channel setup, options, codebook
etc). vorbis_info and substructures are in backends.h.
*********************************************************************/
/* the comments are not part of vorbis_info so that vorbis_info can be
static storage */
typedef struct vorbis_comment{
/* unlimited user comment fields. libvorbis writes 'libvorbis'
whatever vendor is set to in encode */
char **user_comments;
int *comment_lengths;
int comments;
char *vendor;
} vorbis_comment;
/* libvorbis encodes in two abstraction layers; first we perform DSP
and produce a packet (see docs/analysis.txt). The packet is then
coded into a framed OggSquish bitstream by the second layer (see
docs/framing.txt). Decode is the reverse process; we sync/frame
the bitstream and extract individual packets, then decode the
packet back into PCM audio.
The extra framing/packetizing is used in streaming formats, such as
files. Over the net (such as with UDP), the framing and
packetization aren't necessary as they're provided by the transport
and the streaming layer is not used */
/* Vorbis PRIMITIVES: general ***************************************/
extern void vorbis_info_init(vorbis_info *vi);
extern void vorbis_info_clear(vorbis_info *vi);
extern int vorbis_info_blocksize(vorbis_info *vi,int zo);
extern void vorbis_comment_init(vorbis_comment *vc);
extern void vorbis_comment_add(vorbis_comment *vc, const char *comment);
extern void vorbis_comment_add_tag(vorbis_comment *vc,
const char *tag, const char *contents);
extern char *vorbis_comment_query(vorbis_comment *vc, const char *tag, int count);
extern int vorbis_comment_query_count(vorbis_comment *vc, const char *tag);
extern void vorbis_comment_clear(vorbis_comment *vc);
extern int vorbis_block_init(vorbis_dsp_state *v, vorbis_block *vb);
extern int vorbis_block_clear(vorbis_block *vb);
extern void vorbis_dsp_clear(vorbis_dsp_state *v);
extern double vorbis_granule_time(vorbis_dsp_state *v,
ogg_int64_t granulepos);
extern const char *vorbis_version_string(void);
/* Vorbis PRIMITIVES: analysis/DSP layer ****************************/
extern int vorbis_analysis_init(vorbis_dsp_state *v,vorbis_info *vi);
extern int vorbis_commentheader_out(vorbis_comment *vc, ogg_packet *op);
extern int vorbis_analysis_headerout(vorbis_dsp_state *v,
vorbis_comment *vc,
ogg_packet *op,
ogg_packet *op_comm,
ogg_packet *op_code);
extern float **vorbis_analysis_buffer(vorbis_dsp_state *v,int vals);
extern int vorbis_analysis_wrote(vorbis_dsp_state *v,int vals);
extern int vorbis_analysis_blockout(vorbis_dsp_state *v,vorbis_block *vb);
extern int vorbis_analysis(vorbis_block *vb,ogg_packet *op);
extern int vorbis_bitrate_addblock(vorbis_block *vb);
extern int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd,
ogg_packet *op);
/* Vorbis PRIMITIVES: synthesis layer *******************************/
extern int vorbis_synthesis_idheader(ogg_packet *op);
extern int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,
ogg_packet *op);
extern int vorbis_synthesis_init(vorbis_dsp_state *v,vorbis_info *vi);
extern int vorbis_synthesis_restart(vorbis_dsp_state *v);
extern int vorbis_synthesis(vorbis_block *vb,ogg_packet *op);
extern int vorbis_synthesis_trackonly(vorbis_block *vb,ogg_packet *op);
extern int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb);
extern int vorbis_synthesis_pcmout(vorbis_dsp_state *v,float ***pcm);
extern int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm);
extern int vorbis_synthesis_read(vorbis_dsp_state *v,int samples);
extern long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op);
extern int vorbis_synthesis_halfrate(vorbis_info *v,int flag);
extern int vorbis_synthesis_halfrate_p(vorbis_info *v);
/* Vorbis ERRORS and return codes ***********************************/
#define OV_FALSE -1
#define OV_EOF -2
#define OV_HOLE -3
#define OV_EREAD -128
#define OV_EFAULT -129
#define OV_EIMPL -130
#define OV_EINVAL -131
#define OV_ENOTVORBIS -132
#define OV_EBADHEADER -133
#define OV_EVERSION -134
#define OV_ENOTAUDIO -135
#define OV_EBADPACKET -136
#define OV_EBADLINK -137
#define OV_ENOSEEK -138
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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@ -1,112 +0,0 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: vorbis encode-engine setup
last mod: $Id: vorbisenc.h 16037 2009-05-26 21:10:58Z xiphmont $
********************************************************************/
#ifndef _OV_ENC_H_
#define _OV_ENC_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include "codec.h"
extern int vorbis_encode_init(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
extern int vorbis_encode_setup_managed(vorbis_info *vi,
long channels,
long rate,
long max_bitrate,
long nominal_bitrate,
long min_bitrate);
extern int vorbis_encode_setup_vbr(vorbis_info *vi,
long channels,
long rate,
float quality /* quality level from 0. (lo) to 1. (hi) */
);
extern int vorbis_encode_init_vbr(vorbis_info *vi,
long channels,
long rate,
float base_quality /* quality level from 0. (lo) to 1. (hi) */
);
extern int vorbis_encode_setup_init(vorbis_info *vi);
extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
/* deprecated rate management supported only for compatability */
#define OV_ECTL_RATEMANAGE_GET 0x10
#define OV_ECTL_RATEMANAGE_SET 0x11
#define OV_ECTL_RATEMANAGE_AVG 0x12
#define OV_ECTL_RATEMANAGE_HARD 0x13
struct ovectl_ratemanage_arg {
int management_active;
long bitrate_hard_min;
long bitrate_hard_max;
double bitrate_hard_window;
long bitrate_av_lo;
long bitrate_av_hi;
double bitrate_av_window;
double bitrate_av_window_center;
};
/* new rate setup */
#define OV_ECTL_RATEMANAGE2_GET 0x14
#define OV_ECTL_RATEMANAGE2_SET 0x15
struct ovectl_ratemanage2_arg {
int management_active;
long bitrate_limit_min_kbps;
long bitrate_limit_max_kbps;
long bitrate_limit_reservoir_bits;
double bitrate_limit_reservoir_bias;
long bitrate_average_kbps;
double bitrate_average_damping;
};
#define OV_ECTL_LOWPASS_GET 0x20
#define OV_ECTL_LOWPASS_SET 0x21
#define OV_ECTL_IBLOCK_GET 0x30
#define OV_ECTL_IBLOCK_SET 0x31
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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branches/2.0/doubango/thirdparties/win32/include/libavcodec/avfft.h
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@ -19,6 +19,19 @@
#ifndef AVCODEC_AVFFT_H
#define AVCODEC_AVFFT_H
/**
* @file
* @ingroup lavc_fft
* FFT functions
*/
/**
* @defgroup lavc_fft FFT functions
* @ingroup lavc_misc
*
* @{
*/
typedef float FFTSample;
typedef struct FFTComplex {
@ -85,7 +98,7 @@ enum DCTTransformType {
};
/**
* Sets up DCT.
* Set up DCT.
* @param nbits size of the input array:
* (1 << nbits) for DCT-II, DCT-III and DST-I
* (1 << nbits) + 1 for DCT-I
@ -96,4 +109,8 @@ DCTContext *av_dct_init(int nbits, enum DCTTransformType type);
void av_dct_calc(DCTContext *s, FFTSample *data);
void av_dct_end (DCTContext *s);
/**
* @}
*/
#endif /* AVCODEC_AVFFT_H */

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@ -23,10 +23,33 @@
#ifndef AVCODEC_DXVA_H
#define AVCODEC_DXVA_H
#include <stdint.h>
/**
* @file
* @ingroup lavc_codec_hwaccel_dxva2
* Public libavcodec DXVA2 header.
*/
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
#undef _WIN32_WINNT
#endif
#if !defined(_WIN32_WINNT)
#define _WIN32_WINNT 0x0600
#endif
#include <stdint.h>
#include <d3d9.h>
#include <dxva2api.h>
/**
* @defgroup lavc_codec_hwaccel_dxva2 DXVA2
* @ingroup lavc_codec_hwaccel
*
* @{
*/
#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
/**
* This structure is used to provides the necessary configurations and data
* to the DXVA2 FFmpeg HWAccel implementation.
@ -65,4 +88,8 @@ struct dxva_context {
unsigned report_id;
};
/**
* @}
*/
#endif /* AVCODEC_DXVA_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_OLD_CODEC_IDS_H
#define AVCODEC_OLD_CODEC_IDS_H
#include "libavutil/common.h"
/*
* This header exists to prevent new codec IDs from being accidentally added to
* the deprecated list.
* Do not include it directly. It will be removed on next major bump
*
* Do not add new items to this list. Use the AVCodecID enum instead.
*/
CODEC_ID_NONE = AV_CODEC_ID_NONE,
/* video codecs */
CODEC_ID_MPEG1VIDEO,
CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
CODEC_ID_MPEG2VIDEO_XVMC,
CODEC_ID_H261,
CODEC_ID_H263,
CODEC_ID_RV10,
CODEC_ID_RV20,
CODEC_ID_MJPEG,
CODEC_ID_MJPEGB,
CODEC_ID_LJPEG,
CODEC_ID_SP5X,
CODEC_ID_JPEGLS,
CODEC_ID_MPEG4,
CODEC_ID_RAWVIDEO,
CODEC_ID_MSMPEG4V1,
CODEC_ID_MSMPEG4V2,
CODEC_ID_MSMPEG4V3,
CODEC_ID_WMV1,
CODEC_ID_WMV2,
CODEC_ID_H263P,
CODEC_ID_H263I,
CODEC_ID_FLV1,
CODEC_ID_SVQ1,
CODEC_ID_SVQ3,
CODEC_ID_DVVIDEO,
CODEC_ID_HUFFYUV,
CODEC_ID_CYUV,
CODEC_ID_H264,
CODEC_ID_INDEO3,
CODEC_ID_VP3,
CODEC_ID_THEORA,
CODEC_ID_ASV1,
CODEC_ID_ASV2,
CODEC_ID_FFV1,
CODEC_ID_4XM,
CODEC_ID_VCR1,
CODEC_ID_CLJR,
CODEC_ID_MDEC,
CODEC_ID_ROQ,
CODEC_ID_INTERPLAY_VIDEO,
CODEC_ID_XAN_WC3,
CODEC_ID_XAN_WC4,
CODEC_ID_RPZA,
CODEC_ID_CINEPAK,
CODEC_ID_WS_VQA,
CODEC_ID_MSRLE,
CODEC_ID_MSVIDEO1,
CODEC_ID_IDCIN,
CODEC_ID_8BPS,
CODEC_ID_SMC,
CODEC_ID_FLIC,
CODEC_ID_TRUEMOTION1,
CODEC_ID_VMDVIDEO,
CODEC_ID_MSZH,
CODEC_ID_ZLIB,
CODEC_ID_QTRLE,
CODEC_ID_SNOW,
CODEC_ID_TSCC,
CODEC_ID_ULTI,
CODEC_ID_QDRAW,
CODEC_ID_VIXL,
CODEC_ID_QPEG,
CODEC_ID_PNG,
CODEC_ID_PPM,
CODEC_ID_PBM,
CODEC_ID_PGM,
CODEC_ID_PGMYUV,
CODEC_ID_PAM,
CODEC_ID_FFVHUFF,
CODEC_ID_RV30,
CODEC_ID_RV40,
CODEC_ID_VC1,
CODEC_ID_WMV3,
CODEC_ID_LOCO,
CODEC_ID_WNV1,
CODEC_ID_AASC,
CODEC_ID_INDEO2,
CODEC_ID_FRAPS,
CODEC_ID_TRUEMOTION2,
CODEC_ID_BMP,
CODEC_ID_CSCD,
CODEC_ID_MMVIDEO,
CODEC_ID_ZMBV,
CODEC_ID_AVS,
CODEC_ID_SMACKVIDEO,
CODEC_ID_NUV,
CODEC_ID_KMVC,
CODEC_ID_FLASHSV,
CODEC_ID_CAVS,
CODEC_ID_JPEG2000,
CODEC_ID_VMNC,
CODEC_ID_VP5,
CODEC_ID_VP6,
CODEC_ID_VP6F,
CODEC_ID_TARGA,
CODEC_ID_DSICINVIDEO,
CODEC_ID_TIERTEXSEQVIDEO,
CODEC_ID_TIFF,
CODEC_ID_GIF,
CODEC_ID_DXA,
CODEC_ID_DNXHD,
CODEC_ID_THP,
CODEC_ID_SGI,
CODEC_ID_C93,
CODEC_ID_BETHSOFTVID,
CODEC_ID_PTX,
CODEC_ID_TXD,
CODEC_ID_VP6A,
CODEC_ID_AMV,
CODEC_ID_VB,
CODEC_ID_PCX,
CODEC_ID_SUNRAST,
CODEC_ID_INDEO4,
CODEC_ID_INDEO5,
CODEC_ID_MIMIC,
CODEC_ID_RL2,
CODEC_ID_ESCAPE124,
CODEC_ID_DIRAC,
CODEC_ID_BFI,
CODEC_ID_CMV,
CODEC_ID_MOTIONPIXELS,
CODEC_ID_TGV,
CODEC_ID_TGQ,
CODEC_ID_TQI,
CODEC_ID_AURA,
CODEC_ID_AURA2,
CODEC_ID_V210X,
CODEC_ID_TMV,
CODEC_ID_V210,
CODEC_ID_DPX,
CODEC_ID_MAD,
CODEC_ID_FRWU,
CODEC_ID_FLASHSV2,
CODEC_ID_CDGRAPHICS,
CODEC_ID_R210,
CODEC_ID_ANM,
CODEC_ID_BINKVIDEO,
CODEC_ID_IFF_ILBM,
CODEC_ID_IFF_BYTERUN1,
CODEC_ID_KGV1,
CODEC_ID_YOP,
CODEC_ID_VP8,
CODEC_ID_PICTOR,
CODEC_ID_ANSI,
CODEC_ID_A64_MULTI,
CODEC_ID_A64_MULTI5,
CODEC_ID_R10K,
CODEC_ID_MXPEG,
CODEC_ID_LAGARITH,
CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
CODEC_ID_WMV3IMAGE,
CODEC_ID_VC1IMAGE,
CODEC_ID_UTVIDEO,
CODEC_ID_BMV_VIDEO,
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
CODEC_ID_V410,
CODEC_ID_XWD,
CODEC_ID_CDXL,
CODEC_ID_XBM,
CODEC_ID_ZEROCODEC,
CODEC_ID_MSS1,
CODEC_ID_MSA1,
CODEC_ID_TSCC2,
CODEC_ID_MTS2,
CODEC_ID_CLLC,
CODEC_ID_Y41P = MKBETAG('Y','4','1','P'),
CODEC_ID_ESCAPE130 = MKBETAG('E','1','3','0'),
CODEC_ID_EXR = MKBETAG('0','E','X','R'),
CODEC_ID_AVRP = MKBETAG('A','V','R','P'),
CODEC_ID_G2M = MKBETAG( 0 ,'G','2','M'),
CODEC_ID_AVUI = MKBETAG('A','V','U','I'),
CODEC_ID_AYUV = MKBETAG('A','Y','U','V'),
CODEC_ID_V308 = MKBETAG('V','3','0','8'),
CODEC_ID_V408 = MKBETAG('V','4','0','8'),
CODEC_ID_YUV4 = MKBETAG('Y','U','V','4'),
CODEC_ID_SANM = MKBETAG('S','A','N','M'),
CODEC_ID_PAF_VIDEO = MKBETAG('P','A','F','V'),
/* various PCM "codecs" */
CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
CODEC_ID_PCM_S16LE = 0x10000,
CODEC_ID_PCM_S16BE,
CODEC_ID_PCM_U16LE,
CODEC_ID_PCM_U16BE,
CODEC_ID_PCM_S8,
CODEC_ID_PCM_U8,
CODEC_ID_PCM_MULAW,
CODEC_ID_PCM_ALAW,
CODEC_ID_PCM_S32LE,
CODEC_ID_PCM_S32BE,
CODEC_ID_PCM_U32LE,
CODEC_ID_PCM_U32BE,
CODEC_ID_PCM_S24LE,
CODEC_ID_PCM_S24BE,
CODEC_ID_PCM_U24LE,
CODEC_ID_PCM_U24BE,
CODEC_ID_PCM_S24DAUD,
CODEC_ID_PCM_ZORK,
CODEC_ID_PCM_S16LE_PLANAR,
CODEC_ID_PCM_DVD,
CODEC_ID_PCM_F32BE,
CODEC_ID_PCM_F32LE,
CODEC_ID_PCM_F64BE,
CODEC_ID_PCM_F64LE,
CODEC_ID_PCM_BLURAY,
CODEC_ID_PCM_LXF,
CODEC_ID_S302M,
CODEC_ID_PCM_S8_PLANAR,
/* various ADPCM codecs */
CODEC_ID_ADPCM_IMA_QT = 0x11000,
CODEC_ID_ADPCM_IMA_WAV,
CODEC_ID_ADPCM_IMA_DK3,
CODEC_ID_ADPCM_IMA_DK4,
CODEC_ID_ADPCM_IMA_WS,
CODEC_ID_ADPCM_IMA_SMJPEG,
CODEC_ID_ADPCM_MS,
CODEC_ID_ADPCM_4XM,
CODEC_ID_ADPCM_XA,
CODEC_ID_ADPCM_ADX,
CODEC_ID_ADPCM_EA,
CODEC_ID_ADPCM_G726,
CODEC_ID_ADPCM_CT,
CODEC_ID_ADPCM_SWF,
CODEC_ID_ADPCM_YAMAHA,
CODEC_ID_ADPCM_SBPRO_4,
CODEC_ID_ADPCM_SBPRO_3,
CODEC_ID_ADPCM_SBPRO_2,
CODEC_ID_ADPCM_THP,
CODEC_ID_ADPCM_IMA_AMV,
CODEC_ID_ADPCM_EA_R1,
CODEC_ID_ADPCM_EA_R3,
CODEC_ID_ADPCM_EA_R2,
CODEC_ID_ADPCM_IMA_EA_SEAD,
CODEC_ID_ADPCM_IMA_EA_EACS,
CODEC_ID_ADPCM_EA_XAS,
CODEC_ID_ADPCM_EA_MAXIS_XA,
CODEC_ID_ADPCM_IMA_ISS,
CODEC_ID_ADPCM_G722,
CODEC_ID_ADPCM_IMA_APC,
CODEC_ID_VIMA = MKBETAG('V','I','M','A'),
/* AMR */
CODEC_ID_AMR_NB = 0x12000,
CODEC_ID_AMR_WB,
/* RealAudio codecs*/
CODEC_ID_RA_144 = 0x13000,
CODEC_ID_RA_288,
/* various DPCM codecs */
CODEC_ID_ROQ_DPCM = 0x14000,
CODEC_ID_INTERPLAY_DPCM,
CODEC_ID_XAN_DPCM,
CODEC_ID_SOL_DPCM,
/* audio codecs */
CODEC_ID_MP2 = 0x15000,
CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
CODEC_ID_AAC,
CODEC_ID_AC3,
CODEC_ID_DTS,
CODEC_ID_VORBIS,
CODEC_ID_DVAUDIO,
CODEC_ID_WMAV1,
CODEC_ID_WMAV2,
CODEC_ID_MACE3,
CODEC_ID_MACE6,
CODEC_ID_VMDAUDIO,
CODEC_ID_FLAC,
CODEC_ID_MP3ADU,
CODEC_ID_MP3ON4,
CODEC_ID_SHORTEN,
CODEC_ID_ALAC,
CODEC_ID_WESTWOOD_SND1,
CODEC_ID_GSM, ///< as in Berlin toast format
CODEC_ID_QDM2,
CODEC_ID_COOK,
CODEC_ID_TRUESPEECH,
CODEC_ID_TTA,
CODEC_ID_SMACKAUDIO,
CODEC_ID_QCELP,
CODEC_ID_WAVPACK,
CODEC_ID_DSICINAUDIO,
CODEC_ID_IMC,
CODEC_ID_MUSEPACK7,
CODEC_ID_MLP,
CODEC_ID_GSM_MS, /* as found in WAV */
CODEC_ID_ATRAC3,
CODEC_ID_VOXWARE,
CODEC_ID_APE,
CODEC_ID_NELLYMOSER,
CODEC_ID_MUSEPACK8,
CODEC_ID_SPEEX,
CODEC_ID_WMAVOICE,
CODEC_ID_WMAPRO,
CODEC_ID_WMALOSSLESS,
CODEC_ID_ATRAC3P,
CODEC_ID_EAC3,
CODEC_ID_SIPR,
CODEC_ID_MP1,
CODEC_ID_TWINVQ,
CODEC_ID_TRUEHD,
CODEC_ID_MP4ALS,
CODEC_ID_ATRAC1,
CODEC_ID_BINKAUDIO_RDFT,
CODEC_ID_BINKAUDIO_DCT,
CODEC_ID_AAC_LATM,
CODEC_ID_QDMC,
CODEC_ID_CELT,
CODEC_ID_G723_1,
CODEC_ID_G729,
CODEC_ID_8SVX_EXP,
CODEC_ID_8SVX_FIB,
CODEC_ID_BMV_AUDIO,
CODEC_ID_RALF,
CODEC_ID_IAC,
CODEC_ID_ILBC,
CODEC_ID_FFWAVESYNTH = MKBETAG('F','F','W','S'),
CODEC_ID_8SVX_RAW = MKBETAG('8','S','V','X'),
CODEC_ID_SONIC = MKBETAG('S','O','N','C'),
CODEC_ID_SONIC_LS = MKBETAG('S','O','N','L'),
CODEC_ID_PAF_AUDIO = MKBETAG('P','A','F','A'),
CODEC_ID_OPUS = MKBETAG('O','P','U','S'),
/* subtitle codecs */
CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
CODEC_ID_DVD_SUBTITLE = 0x17000,
CODEC_ID_DVB_SUBTITLE,
CODEC_ID_TEXT, ///< raw UTF-8 text
CODEC_ID_XSUB,
CODEC_ID_SSA,
CODEC_ID_MOV_TEXT,
CODEC_ID_HDMV_PGS_SUBTITLE,
CODEC_ID_DVB_TELETEXT,
CODEC_ID_SRT,
CODEC_ID_MICRODVD = MKBETAG('m','D','V','D'),
CODEC_ID_EIA_608 = MKBETAG('c','6','0','8'),
CODEC_ID_JACOSUB = MKBETAG('J','S','U','B'),
CODEC_ID_SAMI = MKBETAG('S','A','M','I'),
CODEC_ID_REALTEXT = MKBETAG('R','T','X','T'),
CODEC_ID_SUBVIEWER = MKBETAG('S','u','b','V'),
/* other specific kind of codecs (generally used for attachments) */
CODEC_ID_FIRST_UNKNOWN = 0x18000, ///< A dummy ID pointing at the start of various fake codecs.
CODEC_ID_TTF = 0x18000,
CODEC_ID_BINTEXT = MKBETAG('B','T','X','T'),
CODEC_ID_XBIN = MKBETAG('X','B','I','N'),
CODEC_ID_IDF = MKBETAG( 0 ,'I','D','F'),
CODEC_ID_OTF = MKBETAG( 0 ,'O','T','F'),
CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
CODEC_ID_MPEG2TS = 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
* stream (only used by libavformat) */
CODEC_ID_MPEG4SYSTEMS = 0x20001, /**< _FAKE_ codec to indicate a MPEG-4 Systems
* stream (only used by libavformat) */
CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
#endif /* AVCODEC_OLD_CODEC_IDS_H */

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@ -24,11 +24,17 @@
#ifndef AVCODEC_VAAPI_H
#define AVCODEC_VAAPI_H
/**
* @file
* @ingroup lavc_codec_hwaccel_vaapi
* Public libavcodec VA API header.
*/
#include <stdint.h>
/**
* \defgroup VAAPI_Decoding VA API Decoding
* \ingroup Decoder
* @defgroup lavc_codec_hwaccel_vaapi VA API Decoding
* @ingroup lavc_codec_hwaccel
* @{
*/

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@ -0,0 +1,226 @@
/*
* VDA HW acceleration
*
* copyright (c) 2011 Sebastien Zwickert
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VDA_H
#define AVCODEC_VDA_H
/**
* @file
* @ingroup lavc_codec_hwaccel_vda
* Public libavcodec VDA header.
*/
#include <stdint.h>
// emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes
// http://openradar.appspot.com/8026390
#undef __GNUC_STDC_INLINE__
#define Picture QuickdrawPicture
#include <VideoDecodeAcceleration/VDADecoder.h>
#undef Picture
#include "libavcodec/version.h"
#if FF_API_VDA_ASYNC
#include <pthread.h>
#endif
/**
* @defgroup lavc_codec_hwaccel_vda VDA
* @ingroup lavc_codec_hwaccel
*
* @{
*/
#if FF_API_VDA_ASYNC
/**
* This structure is used to store decoded frame information and data.
*
* @deprecated Use synchronous decoding mode.
*/
typedef struct {
/**
* The PTS of the frame.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
int64_t pts;
/**
* The CoreVideo buffer that contains the decoded data.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
CVPixelBufferRef cv_buffer;
/**
* A pointer to the next frame.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
struct vda_frame *next_frame;
} vda_frame;
#endif
/**
* This structure is used to provide the necessary configurations and data
* to the VDA FFmpeg HWAccel implementation.
*
* The application must make it available as AVCodecContext.hwaccel_context.
*/
struct vda_context {
/**
* VDA decoder object.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
VDADecoder decoder;
/**
* The Core Video pixel buffer that contains the current image data.
*
* encoding: unused
* decoding: Set by libavcodec. Unset by user.
*/
CVPixelBufferRef cv_buffer;
/**
* Use the hardware decoder in synchronous mode.
*
* encoding: unused
* decoding: Set by user.
*/
int use_sync_decoding;
#if FF_API_VDA_ASYNC
/**
* VDA frames queue ordered by presentation timestamp.
*
* @deprecated Use synchronous decoding mode.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
vda_frame *queue;
/**
* Mutex for locking queue operations.
*
* @deprecated Use synchronous decoding mode.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
pthread_mutex_t queue_mutex;
#endif
/**
* The frame width.
*
* - encoding: unused
* - decoding: Set/Unset by user.
*/
int width;
/**
* The frame height.
*
* - encoding: unused
* - decoding: Set/Unset by user.
*/
int height;
/**
* The frame format.
*
* - encoding: unused
* - decoding: Set/Unset by user.
*/
int format;
/**
* The pixel format for output image buffers.
*
* - encoding: unused
* - decoding: Set/Unset by user.
*/
OSType cv_pix_fmt_type;
/**
* The current bitstream buffer.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
uint8_t *priv_bitstream;
/**
* The current size of the bitstream.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
int priv_bitstream_size;
/**
* The reference size used for fast reallocation.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
int priv_allocated_size;
};
/** Create the video decoder. */
int ff_vda_create_decoder(struct vda_context *vda_ctx,
uint8_t *extradata,
int extradata_size);
/** Destroy the video decoder. */
int ff_vda_destroy_decoder(struct vda_context *vda_ctx);
#if FF_API_VDA_ASYNC
/**
* Return the top frame of the queue.
*
* @deprecated Use synchronous decoding mode.
*/
vda_frame *ff_vda_queue_pop(struct vda_context *vda_ctx);
/**
* Release the given frame.
*
* @deprecated Use synchronous decoding mode.
*/
void ff_vda_release_vda_frame(vda_frame *frame);
#endif
/**
* @}
*/
#endif /* AVCODEC_VDA_H */

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@ -25,7 +25,15 @@
#define AVCODEC_VDPAU_H
/**
* \defgroup Decoder VDPAU Decoder and Renderer
* @file
* @ingroup lavc_codec_hwaccel_vdpau
* Public libavcodec VDPAU header.
*/
/**
* @defgroup lavc_codec_hwaccel_vdpau VDPAU Decoder and Renderer
* @ingroup lavc_codec_hwaccel
*
* VDPAU hardware acceleration has two modules
* - VDPAU decoding
@ -39,25 +47,84 @@
* presentation (vo_vdpau.c) module.
*
* @{
* \defgroup VDPAU_Decoding VDPAU Decoding
* \ingroup Decoder
* @{
*/
#include <vdpau/vdpau.h>
#include <vdpau/vdpau_x11.h>
/** \brief The videoSurface is used for rendering. */
union FFVdpPictureInfo {
VdpPictureInfoH264 h264;
VdpPictureInfoMPEG1Or2 mpeg;
VdpPictureInfoVC1 vc1;
VdpPictureInfoMPEG4Part2 mpeg4;
};
/**
* This structure is used to share data between the libavcodec library and
* the client video application.
* The user shall zero-allocate the structure and make it available as
* AVCodecContext.hwaccel_context. Members can be set by the user once
* during initialization or through each AVCodecContext.get_buffer()
* function call. In any case, they must be valid prior to calling
* decoding functions.
*/
typedef struct AVVDPAUContext {
/**
* VDPAU decoder handle
*
* Set by user.
*/
VdpDecoder decoder;
/**
* VDPAU decoder render callback
*
* Set by the user.
*/
VdpDecoderRender *render;
/**
* VDPAU picture information
*
* Set by libavcodec.
*/
union FFVdpPictureInfo info;
/**
* Allocated size of the bitstream_buffers table.
*
* Set by libavcodec.
*/
int bitstream_buffers_allocated;
/**
* Useful bitstream buffers in the bitstream buffers table.
*
* Set by libavcodec.
*/
int bitstream_buffers_used;
/**
* Table of bitstream buffers.
* The user is responsible for freeing this buffer using av_freep().
*
* Set by libavcodec.
*/
VdpBitstreamBuffer *bitstream_buffers;
} AVVDPAUContext;
/** @brief The videoSurface is used for rendering. */
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
/**
* \brief The videoSurface is needed for reference/prediction.
* @brief The videoSurface is needed for reference/prediction.
* The codec manipulates this.
*/
#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
/**
* \brief This structure is used as a callback between the FFmpeg
* @brief This structure is used as a callback between the FFmpeg
* decoder (vd_) and presentation (vo_) module.
* This is used for defining a video frame containing surface,
* picture parameter, bitstream information etc which are passed
@ -68,20 +135,15 @@ struct vdpau_render_state {
int state; ///< Holds FF_VDPAU_STATE_* values.
/** picture parameter information for all supported codecs */
union VdpPictureInfo {
VdpPictureInfoH264 h264;
VdpPictureInfoMPEG1Or2 mpeg;
VdpPictureInfoVC1 vc1;
VdpPictureInfoMPEG4Part2 mpeg4;
} info;
/** Describe size/location of the compressed video data.
Set to 0 when freeing bitstream_buffers. */
int bitstream_buffers_allocated;
int bitstream_buffers_used;
/** The user is responsible for freeing this buffer using av_freep(). */
VdpBitstreamBuffer *bitstream_buffers;
/** picture parameter information for all supported codecs */
union FFVdpPictureInfo info;
};
/* @}*/

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/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VERSION_H
#define AVCODEC_VERSION_H
/**
* @file
* @ingroup libavc
* Libavcodec version macros.
*/
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 54
#define LIBAVCODEC_VERSION_MINOR 92
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
LIBAVCODEC_VERSION_MICRO)
#define LIBAVCODEC_VERSION AV_VERSION(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
LIBAVCODEC_VERSION_MICRO)
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
/**
* FF_API_* defines may be placed below to indicate public API that will be
* dropped at a future version bump. The defines themselves are not part of
* the public API and may change, break or disappear at any time.
*/
#ifndef FF_API_REQUEST_CHANNELS
#define FF_API_REQUEST_CHANNELS (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_ALLOC_CONTEXT
#define FF_API_ALLOC_CONTEXT (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_AVCODEC_OPEN
#define FF_API_AVCODEC_OPEN (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_OLD_DECODE_AUDIO
#define FF_API_OLD_DECODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_OLD_TIMECODE
#define FF_API_OLD_TIMECODE (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_OLD_ENCODE_AUDIO
#define FF_API_OLD_ENCODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_OLD_ENCODE_VIDEO
#define FF_API_OLD_ENCODE_VIDEO (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_MPV_GLOBAL_OPTS
#define FF_API_MPV_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_COLOR_TABLE_ID
#define FF_API_COLOR_TABLE_ID (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_INTER_THRESHOLD
#define FF_API_INTER_THRESHOLD (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_SUB_ID
#define FF_API_SUB_ID (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_DSP_MASK
#define FF_API_DSP_MASK (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_FIND_BEST_PIX_FMT
#define FF_API_FIND_BEST_PIX_FMT (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_CODEC_ID
#define FF_API_CODEC_ID (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_VDA_ASYNC
#define FF_API_VDA_ASYNC (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_AVCODEC_RESAMPLE
#define FF_API_AVCODEC_RESAMPLE (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_LIBMPEG2
#define FF_API_LIBMPEG2 (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_MMI
#define FF_API_MMI (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_IDCT
#define FF_API_IDCT (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_DEINTERLACE
#define FF_API_DEINTERLACE (LIBAVCODEC_VERSION_MAJOR < 56)
#endif
#endif /* AVCODEC_VERSION_H */

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@ -21,15 +21,23 @@
#ifndef AVCODEC_XVMC_H
#define AVCODEC_XVMC_H
/**
* @file
* @ingroup lavc_codec_hwaccel_xvmc
* Public libavcodec XvMC header.
*/
#include <X11/extensions/XvMC.h>
#include "avcodec.h"
#if LIBAVCODEC_VERSION_MAJOR < 53
#define AV_XVMC_STATE_DISPLAY_PENDING 1 /** the surface should be shown, the video driver manipulates this */
#define AV_XVMC_STATE_PREDICTION 2 /** the surface is needed for prediction, the codec manipulates this */
#define AV_XVMC_STATE_OSD_SOURCE 4 /** the surface is needed for subpicture rendering */
#endif
/**
* @defgroup lavc_codec_hwaccel_xvmc XvMC
* @ingroup lavc_codec_hwaccel
*
* @{
*/
#define AV_XVMC_ID 0x1DC711C0 /**< special value to ensure that regular pixel routines haven't corrupted the struct
the number is 1337 speak for the letters IDCT MCo (motion compensation) */
@ -71,7 +79,7 @@ struct xvmc_pix_fmt {
*/
int allocated_data_blocks;
/** Indicates that the hardware would interpret data_blocks as IDCT
/** Indicate that the hardware would interpret data_blocks as IDCT
coefficients and perform IDCT on them.
- application - set during initialization
- libavcodec - unchanged
@ -139,7 +147,7 @@ struct xvmc_pix_fmt {
*/
int filled_mv_blocks_num;
/** Number of the the next free data block; one data block consists of
/** Number of the next free data block; one data block consists of
64 short values in the data_blocks array.
All blocks before this one have already been claimed by placing their
position into the corresponding block description structure field,
@ -151,22 +159,10 @@ struct xvmc_pix_fmt {
of coded blocks it contains.
*/
int next_free_data_block_num;
/** extensions may be placed here */
#if LIBAVCODEC_VERSION_MAJOR < 53
//@{
/** State flags used to work around limitations in the MPlayer video system.
0 - Surface is not used.
1 - Surface is still held in application to be displayed or is
still visible.
2 - Surface is still held in libavcodec buffer for prediction.
*/
int state;
/** pointer to the surface where the subpicture is rendered */
void* p_osd_target_surface_render;
//}@
#endif
};
/**
* @}
*/
#endif /* AVCODEC_XVMC_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVDEVICE_AVDEVICE_H
#define AVDEVICE_AVDEVICE_H
#include "version.h"
/**
* @file
* @ingroup lavd
* Main libavdevice API header
*/
/**
* @defgroup lavd Special devices muxing/demuxing library
* @{
* Libavdevice is a complementary library to @ref libavf "libavformat". It
* provides various "special" platform-specific muxers and demuxers, e.g. for
* grabbing devices, audio capture and playback etc. As a consequence, the
* (de)muxers in libavdevice are of the AVFMT_NOFILE type (they use their own
* I/O functions). The filename passed to avformat_open_input() often does not
* refer to an actually existing file, but has some special device-specific
* meaning - e.g. for x11grab it is the display name.
*
* To use libavdevice, simply call avdevice_register_all() to register all
* compiled muxers and demuxers. They all use standard libavformat API.
* @}
*/
#include "libavformat/avformat.h"
/**
* Return the LIBAVDEVICE_VERSION_INT constant.
*/
unsigned avdevice_version(void);
/**
* Return the libavdevice build-time configuration.
*/
const char *avdevice_configuration(void);
/**
* Return the libavdevice license.
*/
const char *avdevice_license(void);
/**
* Initialize libavdevice and register all the input and output devices.
* @warning This function is not thread safe.
*/
void avdevice_register_all(void);
#endif /* AVDEVICE_AVDEVICE_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVDEVICE_VERSION_H
#define AVDEVICE_VERSION_H
/**
* @file
* @ingroup lavd
* Libavdevice version macros
*/
#include "libavutil/avutil.h"
#define LIBAVDEVICE_VERSION_MAJOR 54
#define LIBAVDEVICE_VERSION_MINOR 3
#define LIBAVDEVICE_VERSION_MICRO 103
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
LIBAVDEVICE_VERSION_MINOR, \
LIBAVDEVICE_VERSION_MICRO)
#define LIBAVDEVICE_VERSION AV_VERSION(LIBAVDEVICE_VERSION_MAJOR, \
LIBAVDEVICE_VERSION_MINOR, \
LIBAVDEVICE_VERSION_MICRO)
#define LIBAVDEVICE_BUILD LIBAVDEVICE_VERSION_INT
#define LIBAVDEVICE_IDENT "Lavd" AV_STRINGIFY(LIBAVDEVICE_VERSION)
/**
* FF_API_* defines may be placed below to indicate public API that will be
* dropped at a future version bump. The defines themselves are not part of
* the public API and may change, break or disappear at any time.
*/
#endif /* AVDEVICE_VERSION_H */

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@ -0,0 +1,91 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_ASRC_ABUFFER_H
#define AVFILTER_ASRC_ABUFFER_H
#include "avfilter.h"
/**
* @file
* memory buffer source for audio
*
* @deprecated use buffersrc.h instead.
*/
/**
* Queue an audio buffer to the audio buffer source.
*
* @param abuffersrc audio source buffer context
* @param data pointers to the samples planes
* @param linesize linesizes of each audio buffer plane
* @param nb_samples number of samples per channel
* @param sample_fmt sample format of the audio data
* @param ch_layout channel layout of the audio data
* @param planar flag to indicate if audio data is planar or packed
* @param pts presentation timestamp of the audio buffer
* @param flags unused
*
* @deprecated use av_buffersrc_add_ref() instead.
*/
attribute_deprecated
int av_asrc_buffer_add_samples(AVFilterContext *abuffersrc,
uint8_t *data[8], int linesize[8],
int nb_samples, int sample_rate,
int sample_fmt, int64_t ch_layout, int planar,
int64_t pts, int av_unused flags);
/**
* Queue an audio buffer to the audio buffer source.
*
* This is similar to av_asrc_buffer_add_samples(), but the samples
* are stored in a buffer with known size.
*
* @param abuffersrc audio source buffer context
* @param buf pointer to the samples data, packed is assumed
* @param size the size in bytes of the buffer, it must contain an
* integer number of samples
* @param sample_fmt sample format of the audio data
* @param ch_layout channel layout of the audio data
* @param pts presentation timestamp of the audio buffer
* @param flags unused
*
* @deprecated use av_buffersrc_add_ref() instead.
*/
attribute_deprecated
int av_asrc_buffer_add_buffer(AVFilterContext *abuffersrc,
uint8_t *buf, int buf_size,
int sample_rate,
int sample_fmt, int64_t ch_layout, int planar,
int64_t pts, int av_unused flags);
/**
* Queue an audio buffer to the audio buffer source.
*
* @param abuffersrc audio source buffer context
* @param samplesref buffer ref to queue
* @param flags unused
*
* @deprecated use av_buffersrc_add_ref() instead.
*/
attribute_deprecated
int av_asrc_buffer_add_audio_buffer_ref(AVFilterContext *abuffersrc,
AVFilterBufferRef *samplesref,
int av_unused flags);
#endif /* AVFILTER_ASRC_ABUFFER_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_AVCODEC_H
#define AVFILTER_AVCODEC_H
/**
* @file
* libavcodec/libavfilter gluing utilities
*
* This should be included in an application ONLY if the installed
* libavfilter has been compiled with libavcodec support, otherwise
* symbols defined below will not be available.
*/
#include "libavcodec/avcodec.h" // AVFrame
#include "avfilter.h"
/**
* Copy the frame properties of src to dst, without copying the actual
* image data.
*
* @return 0 on success, a negative number on error.
*/
int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
/**
* Copy the frame properties and data pointers of src to dst, without copying
* the actual data.
*
* @return 0 on success, a negative number on error.
*/
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms);
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms);
/**
* Create and return a buffer reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_buffer_ref_from_frame(enum AVMediaType type,
const AVFrame *frame,
int perms);
#ifdef FF_API_FILL_FRAME
/**
* Fill an AVFrame with the information stored in samplesref.
*
* @param frame an already allocated AVFrame
* @param samplesref an audio buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *samplesref);
/**
* Fill an AVFrame with the information stored in picref.
*
* @param frame an already allocated AVFrame
* @param picref a video buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *picref);
/**
* Fill an AVFrame with information stored in ref.
*
* @param frame an already allocated AVFrame
* @param ref a video or audio buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *ref);
#endif
/**
* Add frame data to buffer_src.
*
* @param buffer_src pointer to a buffer source context
* @param frame a frame, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*/
int av_buffersrc_add_frame(AVFilterContext *buffer_src,
const AVFrame *frame, int flags);
#endif /* AVFILTER_AVCODEC_H */

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/*
* filter layer
* Copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_AVFILTER_H
#define AVFILTER_AVFILTER_H
/**
* @file
* @ingroup lavfi
* external API header
*/
/**
* @defgroup lavfi Libavfilter
* @{
*/
#include <stddef.h>
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
#include "libavutil/log.h"
#include "libavutil/samplefmt.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
#include "libavfilter/version.h"
/**
* Return the LIBAVFILTER_VERSION_INT constant.
*/
unsigned avfilter_version(void);
/**
* Return the libavfilter build-time configuration.
*/
const char *avfilter_configuration(void);
/**
* Return the libavfilter license.
*/
const char *avfilter_license(void);
/**
* Get the class for the AVFilterContext struct.
*/
const AVClass *avfilter_get_class(void);
typedef struct AVFilterContext AVFilterContext;
typedef struct AVFilterLink AVFilterLink;
typedef struct AVFilterPad AVFilterPad;
typedef struct AVFilterFormats AVFilterFormats;
/**
* A reference-counted buffer data type used by the filter system. Filters
* should not store pointers to this structure directly, but instead use the
* AVFilterBufferRef structure below.
*/
typedef struct AVFilterBuffer {
uint8_t *data[8]; ///< buffer data for each plane/channel
/**
* pointers to the data planes/channels.
*
* For video, this should simply point to data[].
*
* For planar audio, each channel has a separate data pointer, and
* linesize[0] contains the size of each channel buffer.
* For packed audio, there is just one data pointer, and linesize[0]
* contains the total size of the buffer for all channels.
*
* Note: Both data and extended_data will always be set, but for planar
* audio with more channels that can fit in data, extended_data must be used
* in order to access all channels.
*/
uint8_t **extended_data;
int linesize[8]; ///< number of bytes per line
/** private data to be used by a custom free function */
void *priv;
/**
* A pointer to the function to deallocate this buffer if the default
* function is not sufficient. This could, for example, add the memory
* back into a memory pool to be reused later without the overhead of
* reallocating it from scratch.
*/
void (*free)(struct AVFilterBuffer *buf);
int format; ///< media format
int w, h; ///< width and height of the allocated buffer
unsigned refcount; ///< number of references to this buffer
} AVFilterBuffer;
#define AV_PERM_READ 0x01 ///< can read from the buffer
#define AV_PERM_WRITE 0x02 ///< can write to the buffer
#define AV_PERM_PRESERVE 0x04 ///< nobody else can overwrite the buffer
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
#define AV_PERM_NEG_LINESIZES 0x20 ///< the buffer requested can have negative linesizes
#define AV_PERM_ALIGN 0x40 ///< the buffer must be aligned
#define AVFILTER_ALIGN 16 //not part of ABI
/**
* Audio specific properties in a reference to an AVFilterBuffer. Since
* AVFilterBufferRef is common to different media formats, audio specific
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefAudioProps {
uint64_t channel_layout; ///< channel layout of audio buffer
int nb_samples; ///< number of audio samples per channel
int sample_rate; ///< audio buffer sample rate
int channels; ///< number of channels (do not access directly)
} AVFilterBufferRefAudioProps;
/**
* Video specific properties in a reference to an AVFilterBuffer. Since
* AVFilterBufferRef is common to different media formats, video specific
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefVideoProps {
int w; ///< image width
int h; ///< image height
AVRational sample_aspect_ratio; ///< sample aspect ratio
int interlaced; ///< is frame interlaced
int top_field_first; ///< field order
enum AVPictureType pict_type; ///< picture type of the frame
int key_frame; ///< 1 -> keyframe, 0-> not
int qp_table_linesize; ///< qp_table stride
int qp_table_size; ///< qp_table size
int8_t *qp_table; ///< array of Quantization Parameters
} AVFilterBufferRefVideoProps;
/**
* A reference to an AVFilterBuffer. Since filters can manipulate the origin of
* a buffer to, for example, crop image without any memcpy, the buffer origin
* and dimensions are per-reference properties. Linesize is also useful for
* image flipping, frame to field filters, etc, and so is also per-reference.
*
* TODO: add anything necessary for frame reordering
*/
typedef struct AVFilterBufferRef {
AVFilterBuffer *buf; ///< the buffer that this is a reference to
uint8_t *data[8]; ///< picture/audio data for each plane
/**
* pointers to the data planes/channels.
*
* For video, this should simply point to data[].
*
* For planar audio, each channel has a separate data pointer, and
* linesize[0] contains the size of each channel buffer.
* For packed audio, there is just one data pointer, and linesize[0]
* contains the total size of the buffer for all channels.
*
* Note: Both data and extended_data will always be set, but for planar
* audio with more channels that can fit in data, extended_data must be used
* in order to access all channels.
*/
uint8_t **extended_data;
int linesize[8]; ///< number of bytes per line
AVFilterBufferRefVideoProps *video; ///< video buffer specific properties
AVFilterBufferRefAudioProps *audio; ///< audio buffer specific properties
/**
* presentation timestamp. The time unit may change during
* filtering, as it is specified in the link and the filter code
* may need to rescale the PTS accordingly.
*/
int64_t pts;
int64_t pos; ///< byte position in stream, -1 if unknown
int format; ///< media format
int perms; ///< permissions, see the AV_PERM_* flags
enum AVMediaType type; ///< media type of buffer data
AVDictionary *metadata; ///< dictionary containing metadata key=value tags
} AVFilterBufferRef;
/**
* Copy properties of src to dst, without copying the actual data
*/
void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src);
/**
* Add a new reference to a buffer.
*
* @param ref an existing reference to the buffer
* @param pmask a bitmask containing the allowable permissions in the new
* reference
* @return a new reference to the buffer with the same properties as the
* old, excluding any permissions denied by pmask
*/
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask);
/**
* Remove a reference to a buffer. If this is the last reference to the
* buffer, the buffer itself is also automatically freed.
*
* @param ref reference to the buffer, may be NULL
*
* @note it is recommended to use avfilter_unref_bufferp() instead of this
* function
*/
void avfilter_unref_buffer(AVFilterBufferRef *ref);
/**
* Remove a reference to a buffer and set the pointer to NULL.
* If this is the last reference to the buffer, the buffer itself
* is also automatically freed.
*
* @param ref pointer to the buffer reference
*/
void avfilter_unref_bufferp(AVFilterBufferRef **ref);
/**
* Get the number of channels of a buffer reference.
*/
int avfilter_ref_get_channels(AVFilterBufferRef *ref);
#if FF_API_AVFILTERPAD_PUBLIC
/**
* A filter pad used for either input or output.
*
* See doc/filter_design.txt for details on how to implement the methods.
*
* @warning this struct might be removed from public API.
* users should call avfilter_pad_get_name() and avfilter_pad_get_type()
* to access the name and type fields; there should be no need to access
* any other fields from outside of libavfilter.
*/
struct AVFilterPad {
/**
* Pad name. The name is unique among inputs and among outputs, but an
* input may have the same name as an output. This may be NULL if this
* pad has no need to ever be referenced by name.
*/
const char *name;
/**
* AVFilterPad type.
*/
enum AVMediaType type;
/**
* Input pads:
* Minimum required permissions on incoming buffers. Any buffer with
* insufficient permissions will be automatically copied by the filter
* system to a new buffer which provides the needed access permissions.
*
* Output pads:
* Guaranteed permissions on outgoing buffers. Any buffer pushed on the
* link must have at least these permissions; this fact is checked by
* asserts. It can be used to optimize buffer allocation.
*/
int min_perms;
/**
* Input pads:
* Permissions which are not accepted on incoming buffers. Any buffer
* which has any of these permissions set will be automatically copied
* by the filter system to a new buffer which does not have those
* permissions. This can be used to easily disallow buffers with
* AV_PERM_REUSE.
*
* Output pads:
* Permissions which are automatically removed on outgoing buffers. It
* can be used to optimize buffer allocation.
*/
int rej_perms;
/**
* @deprecated unused
*/
int (*start_frame)(AVFilterLink *link, AVFilterBufferRef *picref);
/**
* Callback function to get a video buffer. If NULL, the filter system will
* use ff_default_get_video_buffer().
*
* Input video pads only.
*/
AVFilterBufferRef *(*get_video_buffer)(AVFilterLink *link, int perms, int w, int h);
/**
* Callback function to get an audio buffer. If NULL, the filter system will
* use ff_default_get_audio_buffer().
*
* Input audio pads only.
*/
AVFilterBufferRef *(*get_audio_buffer)(AVFilterLink *link, int perms,
int nb_samples);
/**
* @deprecated unused
*/
int (*end_frame)(AVFilterLink *link);
/**
* @deprecated unused
*/
int (*draw_slice)(AVFilterLink *link, int y, int height, int slice_dir);
/**
* Filtering callback. This is where a filter receives a frame with
* audio/video data and should do its processing.
*
* Input pads only.
*
* @return >= 0 on success, a negative AVERROR on error. This function
* must ensure that frame is properly unreferenced on error if it
* hasn't been passed on to another filter.
*/
int (*filter_frame)(AVFilterLink *link, AVFilterBufferRef *frame);
/**
* Frame poll callback. This returns the number of immediately available
* samples. It should return a positive value if the next request_frame()
* is guaranteed to return one frame (with no delay).
*
* Defaults to just calling the source poll_frame() method.
*
* Output pads only.
*/
int (*poll_frame)(AVFilterLink *link);
/**
* Frame request callback. A call to this should result in at least one
* frame being output over the given link. This should return zero on
* success, and another value on error.
* See ff_request_frame() for the error codes with a specific
* meaning.
*
* Output pads only.
*/
int (*request_frame)(AVFilterLink *link);
/**
* Link configuration callback.
*
* For output pads, this should set the following link properties:
* video: width, height, sample_aspect_ratio, time_base
* audio: sample_rate.
*
* This should NOT set properties such as format, channel_layout, etc which
* are negotiated between filters by the filter system using the
* query_formats() callback before this function is called.
*
* For input pads, this should check the properties of the link, and update
* the filter's internal state as necessary.
*
* For both input and output pads, this should return zero on success,
* and another value on error.
*/
int (*config_props)(AVFilterLink *link);
/**
* The filter expects a fifo to be inserted on its input link,
* typically because it has a delay.
*
* input pads only.
*/
int needs_fifo;
};
#endif
/**
* Get the name of an AVFilterPad.
*
* @param pads an array of AVFilterPads
* @param pad_idx index of the pad in the array it; is the caller's
* responsibility to ensure the index is valid
*
* @return name of the pad_idx'th pad in pads
*/
const char *avfilter_pad_get_name(AVFilterPad *pads, int pad_idx);
/**
* Get the type of an AVFilterPad.
*
* @param pads an array of AVFilterPads
* @param pad_idx index of the pad in the array; it is the caller's
* responsibility to ensure the index is valid
*
* @return type of the pad_idx'th pad in pads
*/
enum AVMediaType avfilter_pad_get_type(AVFilterPad *pads, int pad_idx);
/**
* Filter definition. This defines the pads a filter contains, and all the
* callback functions used to interact with the filter.
*/
typedef struct AVFilter {
const char *name; ///< filter name
/**
* A description for the filter. You should use the
* NULL_IF_CONFIG_SMALL() macro to define it.
*/
const char *description;
const AVFilterPad *inputs; ///< NULL terminated list of inputs. NULL if none
const AVFilterPad *outputs; ///< NULL terminated list of outputs. NULL if none
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavfilter and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
/**
* Filter initialization function. Args contains the user-supplied
* parameters. FIXME: maybe an AVOption-based system would be better?
*/
int (*init)(AVFilterContext *ctx, const char *args);
/**
* Filter uninitialization function. Should deallocate any memory held
* by the filter, release any buffer references, etc. This does not need
* to deallocate the AVFilterContext->priv memory itself.
*/
void (*uninit)(AVFilterContext *ctx);
/**
* Queries formats/layouts supported by the filter and its pads, and sets
* the in_formats/in_chlayouts for links connected to its output pads,
* and out_formats/out_chlayouts for links connected to its input pads.
*
* @return zero on success, a negative value corresponding to an
* AVERROR code otherwise
*/
int (*query_formats)(AVFilterContext *);
int priv_size; ///< size of private data to allocate for the filter
/**
* Make the filter instance process a command.
*
* @param cmd the command to process, for handling simplicity all commands must be alphanumeric only
* @param arg the argument for the command
* @param res a buffer with size res_size where the filter(s) can return a response. This must not change when the command is not supported.
* @param flags if AVFILTER_CMD_FLAG_FAST is set and the command would be
* time consuming then a filter should treat it like an unsupported command
*
* @returns >=0 on success otherwise an error code.
* AVERROR(ENOSYS) on unsupported commands
*/
int (*process_command)(AVFilterContext *, const char *cmd, const char *arg, char *res, int res_len, int flags);
/**
* Filter initialization function, alternative to the init()
* callback. Args contains the user-supplied parameters, opaque is
* used for providing binary data.
*/
int (*init_opaque)(AVFilterContext *ctx, const char *args, void *opaque);
const AVClass *priv_class; ///< private class, containing filter specific options
} AVFilter;
/** An instance of a filter */
struct AVFilterContext {
const AVClass *av_class; ///< needed for av_log()
AVFilter *filter; ///< the AVFilter of which this is an instance
char *name; ///< name of this filter instance
AVFilterPad *input_pads; ///< array of input pads
AVFilterLink **inputs; ///< array of pointers to input links
#if FF_API_FOO_COUNT
unsigned input_count; ///< @deprecated use nb_inputs
#endif
unsigned nb_inputs; ///< number of input pads
AVFilterPad *output_pads; ///< array of output pads
AVFilterLink **outputs; ///< array of pointers to output links
#if FF_API_FOO_COUNT
unsigned output_count; ///< @deprecated use nb_outputs
#endif
unsigned nb_outputs; ///< number of output pads
void *priv; ///< private data for use by the filter
struct AVFilterCommand *command_queue;
};
/**
* A link between two filters. This contains pointers to the source and
* destination filters between which this link exists, and the indexes of
* the pads involved. In addition, this link also contains the parameters
* which have been negotiated and agreed upon between the filter, such as
* image dimensions, format, etc.
*/
struct AVFilterLink {
AVFilterContext *src; ///< source filter
AVFilterPad *srcpad; ///< output pad on the source filter
AVFilterContext *dst; ///< dest filter
AVFilterPad *dstpad; ///< input pad on the dest filter
enum AVMediaType type; ///< filter media type
/* These parameters apply only to video */
int w; ///< agreed upon image width
int h; ///< agreed upon image height
AVRational sample_aspect_ratio; ///< agreed upon sample aspect ratio
/* These parameters apply only to audio */
uint64_t channel_layout; ///< channel layout of current buffer (see libavutil/channel_layout.h)
int sample_rate; ///< samples per second
int format; ///< agreed upon media format
/**
* Define the time base used by the PTS of the frames/samples
* which will pass through this link.
* During the configuration stage, each filter is supposed to
* change only the output timebase, while the timebase of the
* input link is assumed to be an unchangeable property.
*/
AVRational time_base;
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavfilter and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
/**
* Lists of formats and channel layouts supported by the input and output
* filters respectively. These lists are used for negotiating the format
* to actually be used, which will be loaded into the format and
* channel_layout members, above, when chosen.
*
*/
AVFilterFormats *in_formats;
AVFilterFormats *out_formats;
/**
* Lists of channel layouts and sample rates used for automatic
* negotiation.
*/
AVFilterFormats *in_samplerates;
AVFilterFormats *out_samplerates;
struct AVFilterChannelLayouts *in_channel_layouts;
struct AVFilterChannelLayouts *out_channel_layouts;
/**
* Audio only, the destination filter sets this to a non-zero value to
* request that buffers with the given number of samples should be sent to
* it. AVFilterPad.needs_fifo must also be set on the corresponding input
* pad.
* Last buffer before EOF will be padded with silence.
*/
int request_samples;
/** stage of the initialization of the link properties (dimensions, etc) */
enum {
AVLINK_UNINIT = 0, ///< not started
AVLINK_STARTINIT, ///< started, but incomplete
AVLINK_INIT ///< complete
} init_state;
struct AVFilterPool *pool;
/**
* Graph the filter belongs to.
*/
struct AVFilterGraph *graph;
/**
* Current timestamp of the link, as defined by the most recent
* frame(s), in AV_TIME_BASE units.
*/
int64_t current_pts;
/**
* Index in the age array.
*/
int age_index;
/**
* Frame rate of the stream on the link, or 1/0 if unknown;
* if left to 0/0, will be automatically be copied from the first input
* of the source filter if it exists.
*
* Sources should set it to the best estimation of the real frame rate.
* Filters should update it if necessary depending on their function.
* Sinks can use it to set a default output frame rate.
* It is similar to the r_frame_rate field in AVStream.
*/
AVRational frame_rate;
/**
* Buffer partially filled with samples to achieve a fixed/minimum size.
*/
AVFilterBufferRef *partial_buf;
/**
* Size of the partial buffer to allocate.
* Must be between min_samples and max_samples.
*/
int partial_buf_size;
/**
* Minimum number of samples to filter at once. If filter_frame() is
* called with fewer samples, it will accumulate them in partial_buf.
* This field and the related ones must not be changed after filtering
* has started.
* If 0, all related fields are ignored.
*/
int min_samples;
/**
* Maximum number of samples to filter at once. If filter_frame() is
* called with more samples, it will split them.
*/
int max_samples;
/**
* The buffer reference currently being received across the link by the
* destination filter. This is used internally by the filter system to
* allow automatic copying of buffers which do not have sufficient
* permissions for the destination. This should not be accessed directly
* by the filters.
*/
AVFilterBufferRef *cur_buf_copy;
/**
* True if the link is closed.
* If set, all attemps of start_frame, filter_frame or request_frame
* will fail with AVERROR_EOF, and if necessary the reference will be
* destroyed.
* If request_frame returns AVERROR_EOF, this flag is set on the
* corresponding link.
* It can be set also be set by either the source or the destination
* filter.
*/
int closed;
/**
* Number of channels.
*/
int channels;
};
/**
* Link two filters together.
*
* @param src the source filter
* @param srcpad index of the output pad on the source filter
* @param dst the destination filter
* @param dstpad index of the input pad on the destination filter
* @return zero on success
*/
int avfilter_link(AVFilterContext *src, unsigned srcpad,
AVFilterContext *dst, unsigned dstpad);
/**
* Free the link in *link, and set its pointer to NULL.
*/
void avfilter_link_free(AVFilterLink **link);
/**
* Get the number of channels of a link.
*/
int avfilter_link_get_channels(AVFilterLink *link);
/**
* Set the closed field of a link.
*/
void avfilter_link_set_closed(AVFilterLink *link, int closed);
/**
* Negotiate the media format, dimensions, etc of all inputs to a filter.
*
* @param filter the filter to negotiate the properties for its inputs
* @return zero on successful negotiation
*/
int avfilter_config_links(AVFilterContext *filter);
/**
* Create a buffer reference wrapped around an already allocated image
* buffer.
*
* @param data pointers to the planes of the image to reference
* @param linesize linesizes for the planes of the image to reference
* @param perms the required access permissions
* @param w the width of the image specified by the data and linesize arrays
* @param h the height of the image specified by the data and linesize arrays
* @param format the pixel format of the image specified by the data and linesize arrays
*/
AVFilterBufferRef *
avfilter_get_video_buffer_ref_from_arrays(uint8_t * const data[4], const int linesize[4], int perms,
int w, int h, enum AVPixelFormat format);
/**
* Create an audio buffer reference wrapped around an already
* allocated samples buffer.
*
* See avfilter_get_audio_buffer_ref_from_arrays_channels() for a version
* that can handle unknown channel layouts.
*
* @param data pointers to the samples plane buffers
* @param linesize linesize for the samples plane buffers
* @param perms the required access permissions
* @param nb_samples number of samples per channel
* @param sample_fmt the format of each sample in the buffer to allocate
* @param channel_layout the channel layout of the buffer
*/
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_arrays(uint8_t **data,
int linesize,
int perms,
int nb_samples,
enum AVSampleFormat sample_fmt,
uint64_t channel_layout);
/**
* Create an audio buffer reference wrapped around an already
* allocated samples buffer.
*
* @param data pointers to the samples plane buffers
* @param linesize linesize for the samples plane buffers
* @param perms the required access permissions
* @param nb_samples number of samples per channel
* @param sample_fmt the format of each sample in the buffer to allocate
* @param channels the number of channels of the buffer
* @param channel_layout the channel layout of the buffer,
* must be either 0 or consistent with channels
*/
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_arrays_channels(uint8_t **data,
int linesize,
int perms,
int nb_samples,
enum AVSampleFormat sample_fmt,
int channels,
uint64_t channel_layout);
#define AVFILTER_CMD_FLAG_ONE 1 ///< Stop once a filter understood the command (for target=all for example), fast filters are favored automatically
#define AVFILTER_CMD_FLAG_FAST 2 ///< Only execute command when its fast (like a video out that supports contrast adjustment in hw)
/**
* Make the filter instance process a command.
* It is recommended to use avfilter_graph_send_command().
*/
int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags);
/** Initialize the filter system. Register all builtin filters. */
void avfilter_register_all(void);
/** Uninitialize the filter system. Unregister all filters. */
void avfilter_uninit(void);
/**
* Register a filter. This is only needed if you plan to use
* avfilter_get_by_name later to lookup the AVFilter structure by name. A
* filter can still by instantiated with avfilter_open even if it is not
* registered.
*
* @param filter the filter to register
* @return 0 if the registration was successful, a negative value
* otherwise
*/
int avfilter_register(AVFilter *filter);
/**
* Get a filter definition matching the given name.
*
* @param name the filter name to find
* @return the filter definition, if any matching one is registered.
* NULL if none found.
*/
AVFilter *avfilter_get_by_name(const char *name);
/**
* If filter is NULL, returns a pointer to the first registered filter pointer,
* if filter is non-NULL, returns the next pointer after filter.
* If the returned pointer points to NULL, the last registered filter
* was already reached.
*/
AVFilter **av_filter_next(AVFilter **filter);
/**
* Create a filter instance.
*
* @param filter_ctx put here a pointer to the created filter context
* on success, NULL on failure
* @param filter the filter to create an instance of
* @param inst_name Name to give to the new instance. Can be NULL for none.
* @return >= 0 in case of success, a negative error code otherwise
*/
int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
/**
* Initialize a filter.
*
* @param filter the filter to initialize
* @param args A string of parameters to use when initializing the filter.
* The format and meaning of this string varies by filter.
* @param opaque Any extra non-string data needed by the filter. The meaning
* of this parameter varies by filter.
* @return zero on success
*/
int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque);
/**
* Free a filter context.
*
* @param filter the filter to free
*/
void avfilter_free(AVFilterContext *filter);
/**
* Insert a filter in the middle of an existing link.
*
* @param link the link into which the filter should be inserted
* @param filt the filter to be inserted
* @param filt_srcpad_idx the input pad on the filter to connect
* @param filt_dstpad_idx the output pad on the filter to connect
* @return zero on success
*/
int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
unsigned filt_srcpad_idx, unsigned filt_dstpad_idx);
/**
* @}
*/
#endif /* AVFILTER_AVFILTER_H */

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/*
* Filter graphs
* copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_AVFILTERGRAPH_H
#define AVFILTER_AVFILTERGRAPH_H
#include "avfilter.h"
#include "libavutil/log.h"
typedef struct AVFilterGraph {
const AVClass *av_class;
unsigned filter_count;
AVFilterContext **filters;
char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
char *resample_lavr_opts; ///< libavresample options to use for the auto-inserted resample filters
char *aresample_swr_opts; ///< swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions
/**
* Private fields
*
* The following fields are for internal use only.
* Their type, offset, number and semantic can change without notice.
*/
AVFilterLink **sink_links;
int sink_links_count;
unsigned disable_auto_convert;
} AVFilterGraph;
/**
* Allocate a filter graph.
*/
AVFilterGraph *avfilter_graph_alloc(void);
/**
* Get a filter instance with name name from graph.
*
* @return the pointer to the found filter instance or NULL if it
* cannot be found.
*/
AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
/**
* Add an existing filter instance to a filter graph.
*
* @param graphctx the filter graph
* @param filter the filter to be added
*/
int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
/**
* Create and add a filter instance into an existing graph.
* The filter instance is created from the filter filt and inited
* with the parameters args and opaque.
*
* In case of success put in *filt_ctx the pointer to the created
* filter instance, otherwise set *filt_ctx to NULL.
*
* @param name the instance name to give to the created filter instance
* @param graph_ctx the filter graph
* @return a negative AVERROR error code in case of failure, a non
* negative value otherwise
*/
int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
const char *name, const char *args, void *opaque,
AVFilterGraph *graph_ctx);
/**
* Enable or disable automatic format conversion inside the graph.
*
* Note that format conversion can still happen inside explicitly inserted
* scale and aconvert filters.
*
* @param flags any of the AVFILTER_AUTO_CONVERT_* constants
*/
void avfilter_graph_set_auto_convert(AVFilterGraph *graph, unsigned flags);
enum {
AVFILTER_AUTO_CONVERT_ALL = 0, /**< all automatic conversions enabled */
AVFILTER_AUTO_CONVERT_NONE = -1, /**< all automatic conversions disabled */
};
/**
* Check validity and configure all the links and formats in the graph.
*
* @param graphctx the filter graph
* @param log_ctx context used for logging
* @return 0 in case of success, a negative AVERROR code otherwise
*/
int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
/**
* Free a graph, destroy its links, and set *graph to NULL.
* If *graph is NULL, do nothing.
*/
void avfilter_graph_free(AVFilterGraph **graph);
/**
* A linked-list of the inputs/outputs of the filter chain.
*
* This is mainly useful for avfilter_graph_parse() / avfilter_graph_parse2(),
* where it is used to communicate open (unlinked) inputs and outputs from and
* to the caller.
* This struct specifies, per each not connected pad contained in the graph, the
* filter context and the pad index required for establishing a link.
*/
typedef struct AVFilterInOut {
/** unique name for this input/output in the list */
char *name;
/** filter context associated to this input/output */
AVFilterContext *filter_ctx;
/** index of the filt_ctx pad to use for linking */
int pad_idx;
/** next input/input in the list, NULL if this is the last */
struct AVFilterInOut *next;
} AVFilterInOut;
/**
* Allocate a single AVFilterInOut entry.
* Must be freed with avfilter_inout_free().
* @return allocated AVFilterInOut on success, NULL on failure.
*/
AVFilterInOut *avfilter_inout_alloc(void);
/**
* Free the supplied list of AVFilterInOut and set *inout to NULL.
* If *inout is NULL, do nothing.
*/
void avfilter_inout_free(AVFilterInOut **inout);
/**
* Add a graph described by a string to a graph.
*
* @param graph the filter graph where to link the parsed graph context
* @param filters string to be parsed
* @param inputs pointer to a linked list to the inputs of the graph, may be NULL.
* If non-NULL, *inputs is updated to contain the list of open inputs
* after the parsing, should be freed with avfilter_inout_free().
* @param outputs pointer to a linked list to the outputs of the graph, may be NULL.
* If non-NULL, *outputs is updated to contain the list of open outputs
* after the parsing, should be freed with avfilter_inout_free().
* @return non negative on success, a negative AVERROR code on error
*/
int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
AVFilterInOut **inputs, AVFilterInOut **outputs,
void *log_ctx);
/**
* Add a graph described by a string to a graph.
*
* @param[in] graph the filter graph where to link the parsed graph context
* @param[in] filters string to be parsed
* @param[out] inputs a linked list of all free (unlinked) inputs of the
* parsed graph will be returned here. It is to be freed
* by the caller using avfilter_inout_free().
* @param[out] outputs a linked list of all free (unlinked) outputs of the
* parsed graph will be returned here. It is to be freed by the
* caller using avfilter_inout_free().
* @return zero on success, a negative AVERROR code on error
*
* @note the difference between avfilter_graph_parse2() and
* avfilter_graph_parse() is that in avfilter_graph_parse(), the caller provides
* the lists of inputs and outputs, which therefore must be known before calling
* the function. On the other hand, avfilter_graph_parse2() \em returns the
* inputs and outputs that are left unlinked after parsing the graph and the
* caller then deals with them. Another difference is that in
* avfilter_graph_parse(), the inputs parameter describes inputs of the
* <em>already existing</em> part of the graph; i.e. from the point of view of
* the newly created part, they are outputs. Similarly the outputs parameter
* describes outputs of the already existing filters, which are provided as
* inputs to the parsed filters.
* avfilter_graph_parse2() takes the opposite approach -- it makes no reference
* whatsoever to already existing parts of the graph and the inputs parameter
* will on return contain inputs of the newly parsed part of the graph.
* Analogously the outputs parameter will contain outputs of the newly created
* filters.
*/
int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
AVFilterInOut **inputs,
AVFilterInOut **outputs);
/**
* Send a command to one or more filter instances.
*
* @param graph the filter graph
* @param target the filter(s) to which the command should be sent
* "all" sends to all filters
* otherwise it can be a filter or filter instance name
* which will send the command to all matching filters.
* @param cmd the command to sent, for handling simplicity all commands must be alphanumeric only
* @param arg the argument for the command
* @param res a buffer with size res_size where the filter(s) can return a response.
*
* @returns >=0 on success otherwise an error code.
* AVERROR(ENOSYS) on unsupported commands
*/
int avfilter_graph_send_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, char *res, int res_len, int flags);
/**
* Queue a command for one or more filter instances.
*
* @param graph the filter graph
* @param target the filter(s) to which the command should be sent
* "all" sends to all filters
* otherwise it can be a filter or filter instance name
* which will send the command to all matching filters.
* @param cmd the command to sent, for handling simplicity all commands must be alphanummeric only
* @param arg the argument for the command
* @param ts time at which the command should be sent to the filter
*
* @note As this executes commands after this function returns, no return code
* from the filter is provided, also AVFILTER_CMD_FLAG_ONE is not supported.
*/
int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, int flags, double ts);
/**
* Dump a graph into a human-readable string representation.
*
* @param graph the graph to dump
* @param options formatting options; currently ignored
* @return a string, or NULL in case of memory allocation failure;
* the string must be freed using av_free
*/
char *avfilter_graph_dump(AVFilterGraph *graph, const char *options);
/**
* Request a frame on the oldest sink link.
*
* If the request returns AVERROR_EOF, try the next.
*
* Note that this function is not meant to be the sole scheduling mechanism
* of a filtergraph, only a convenience function to help drain a filtergraph
* in a balanced way under normal circumstances.
*
* Also note that AVERROR_EOF does not mean that frames did not arrive on
* some of the sinks during the process.
* When there are multiple sink links, in case the requested link
* returns an EOF, this may cause a filter to flush pending frames
* which are sent to another sink link, although unrequested.
*
* @return the return value of ff_request_frame(),
* or AVERROR_EOF if all links returned AVERROR_EOF
*/
int avfilter_graph_request_oldest(AVFilterGraph *graph);
#endif /* AVFILTER_AVFILTERGRAPH_H */

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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_BUFFERSINK_H
#define AVFILTER_BUFFERSINK_H
/**
* @file
* memory buffer sink API for audio and video
*/
#include "avfilter.h"
/**
* Struct to use for initializing a buffersink context.
*/
typedef struct {
const enum AVPixelFormat *pixel_fmts; ///< list of allowed pixel formats, terminated by AV_PIX_FMT_NONE
} AVBufferSinkParams;
/**
* Create an AVBufferSinkParams structure.
*
* Must be freed with av_free().
*/
AVBufferSinkParams *av_buffersink_params_alloc(void);
/**
* Struct to use for initializing an abuffersink context.
*/
typedef struct {
const enum AVSampleFormat *sample_fmts; ///< list of allowed sample formats, terminated by AV_SAMPLE_FMT_NONE
const int64_t *channel_layouts; ///< list of allowed channel layouts, terminated by -1
const int *channel_counts; ///< list of allowed channel counts, terminated by -1
int all_channel_counts; ///< if not 0, accept any channel count or layout
int *sample_rates; ///< list of allowed sample rates, terminated by -1
} AVABufferSinkParams;
/**
* Create an AVABufferSinkParams structure.
*
* Must be freed with av_free().
*/
AVABufferSinkParams *av_abuffersink_params_alloc(void);
/**
* Set the frame size for an audio buffer sink.
*
* All calls to av_buffersink_get_buffer_ref will return a buffer with
* exactly the specified number of samples, or AVERROR(EAGAIN) if there is
* not enough. The last buffer at EOF will be padded with 0.
*/
void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size);
/**
* Tell av_buffersink_get_buffer_ref() to read video/samples buffer
* reference, but not remove it from the buffer. This is useful if you
* need only to read a video/samples buffer, without to fetch it.
*/
#define AV_BUFFERSINK_FLAG_PEEK 1
/**
* Tell av_buffersink_get_buffer_ref() not to request a frame from its input.
* If a frame is already buffered, it is read (and removed from the buffer),
* but if no frame is present, return AVERROR(EAGAIN).
*/
#define AV_BUFFERSINK_FLAG_NO_REQUEST 2
/**
* Get an audio/video buffer data from buffer_sink and put it in bufref.
*
* This function works with both audio and video buffer sinks.
*
* @param buffer_sink pointer to a buffersink or abuffersink context
* @param flags a combination of AV_BUFFERSINK_FLAG_* flags
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
*/
int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink,
AVFilterBufferRef **bufref, int flags);
/**
* Get the number of immediately available frames.
*/
int av_buffersink_poll_frame(AVFilterContext *ctx);
/**
* Get the frame rate of the input.
*/
AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx);
/**
* @defgroup libav_api Libav API
* @{
*/
/**
* Get a buffer with filtered data from sink and put it in buf.
*
* @param ctx pointer to a context of a buffersink or abuffersink AVFilter.
* @param buf pointer to the buffer will be written here if buf is non-NULL. buf
* must be freed by the caller using avfilter_unref_buffer().
* Buf may also be NULL to query whether a buffer is ready to be
* output.
*
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure.
*/
int av_buffersink_read(AVFilterContext *ctx, AVFilterBufferRef **buf);
/**
* Same as av_buffersink_read, but with the ability to specify the number of
* samples read. This function is less efficient than av_buffersink_read(),
* because it copies the data around.
*
* @param ctx pointer to a context of the abuffersink AVFilter.
* @param buf pointer to the buffer will be written here if buf is non-NULL. buf
* must be freed by the caller using avfilter_unref_buffer(). buf
* will contain exactly nb_samples audio samples, except at the end
* of stream, when it can contain less than nb_samples.
* Buf may also be NULL to query whether a buffer is ready to be
* output.
*
* @warning do not mix this function with av_buffersink_read(). Use only one or
* the other with a single sink, not both.
*/
int av_buffersink_read_samples(AVFilterContext *ctx, AVFilterBufferRef **buf,
int nb_samples);
/**
* @}
*/
#endif /* AVFILTER_BUFFERSINK_H */

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/*
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_BUFFERSRC_H
#define AVFILTER_BUFFERSRC_H
/**
* @file
* Memory buffer source API.
*/
#include "libavcodec/avcodec.h"
#include "avfilter.h"
enum {
/**
* Do not check for format changes.
*/
AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT = 1,
/**
* Do not copy buffer data.
*/
AV_BUFFERSRC_FLAG_NO_COPY = 2,
/**
* Immediately push the frame to the output.
*/
AV_BUFFERSRC_FLAG_PUSH = 4,
};
/**
* Add buffer data in picref to buffer_src.
*
* @param buffer_src pointer to a buffer source context
* @param picref a buffer reference, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*/
int av_buffersrc_add_ref(AVFilterContext *buffer_src,
AVFilterBufferRef *picref, int flags);
/**
* Get the number of failed requests.
*
* A failed request is when the request_frame method is called while no
* frame is present in the buffer.
* The number is reset when a frame is added.
*/
unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src);
#ifdef FF_API_BUFFERSRC_BUFFER
/**
* Add a buffer to the filtergraph s.
*
* @param buf buffer containing frame data to be passed down the filtergraph.
* This function will take ownership of buf, the user must not free it.
* A NULL buf signals EOF -- i.e. no more frames will be sent to this filter.
* @deprecated Use av_buffersrc_add_ref(s, picref, AV_BUFFERSRC_FLAG_NO_COPY) instead.
*/
attribute_deprecated
int av_buffersrc_buffer(AVFilterContext *s, AVFilterBufferRef *buf);
#endif
/**
* Add a frame to the buffer source.
*
* @param s an instance of the buffersrc filter.
* @param frame frame to be added.
*
* @warning frame data will be memcpy()ed, which may be a big performance
* hit. Use av_buffersrc_buffer() to avoid copying the data.
*/
int av_buffersrc_write_frame(AVFilterContext *s, const AVFrame *frame);
#endif /* AVFILTER_BUFFERSRC_H */

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/*
* Version macros.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_VERSION_H
#define AVFILTER_VERSION_H
/**
* @file
* Libavfilter version macros
*/
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 3
#define LIBAVFILTER_VERSION_MINOR 42
#define LIBAVFILTER_VERSION_MICRO 103
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
LIBAVFILTER_VERSION_MICRO)
#define LIBAVFILTER_VERSION AV_VERSION(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
LIBAVFILTER_VERSION_MICRO)
#define LIBAVFILTER_BUILD LIBAVFILTER_VERSION_INT
#define LIBAVFILTER_IDENT "Lavfi" AV_STRINGIFY(LIBAVFILTER_VERSION)
/**
* FF_API_* defines may be placed below to indicate public API that will be
* dropped at a future version bump. The defines themselves are not part of
* the public API and may change, break or disappear at any time.
*/
#ifndef FF_API_AVFILTERPAD_PUBLIC
#define FF_API_AVFILTERPAD_PUBLIC (LIBAVFILTER_VERSION_MAJOR < 4)
#endif
#ifndef FF_API_FOO_COUNT
#define FF_API_FOO_COUNT (LIBAVFILTER_VERSION_MAJOR < 4)
#endif
#ifndef FF_API_FILL_FRAME
#define FF_API_FILL_FRAME (LIBAVFILTER_VERSION_MAJOR < 4)
#endif
#ifndef FF_API_BUFFERSRC_BUFFER
#define FF_API_BUFFERSRC_BUFFER (LIBAVFILTER_VERSION_MAJOR < 4)
#endif
#endif /* AVFILTER_VERSION_H */

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/*
* copyright (c) 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_AVIO_H
#define AVFORMAT_AVIO_H
/**
* @file
* @ingroup lavf_io
* Buffered I/O operations
*/
#include <stdint.h>
#include "libavutil/common.h"
#include "libavutil/dict.h"
#include "libavutil/log.h"
#include "libavformat/version.h"
#define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */
/**
* Callback for checking whether to abort blocking functions.
* AVERROR_EXIT is returned in this case by the interrupted
* function. During blocking operations, callback is called with
* opaque as parameter. If the callback returns 1, the
* blocking operation will be aborted.
*
* No members can be added to this struct without a major bump, if
* new elements have been added after this struct in AVFormatContext
* or AVIOContext.
*/
typedef struct AVIOInterruptCB {
int (*callback)(void*);
void *opaque;
} AVIOInterruptCB;
/**
* Bytestream IO Context.
* New fields can be added to the end with minor version bumps.
* Removal, reordering and changes to existing fields require a major
* version bump.
* sizeof(AVIOContext) must not be used outside libav*.
*
* @note None of the function pointers in AVIOContext should be called
* directly, they should only be set by the client application
* when implementing custom I/O. Normally these are set to the
* function pointers specified in avio_alloc_context()
*/
typedef struct AVIOContext {
/**
* A class for private options.
*
* If this AVIOContext is created by avio_open2(), av_class is set and
* passes the options down to protocols.
*
* If this AVIOContext is manually allocated, then av_class may be set by
* the caller.
*
* warning -- this field can be NULL, be sure to not pass this AVIOContext
* to any av_opt_* functions in that case.
*/
const AVClass *av_class;
unsigned char *buffer; /**< Start of the buffer. */
int buffer_size; /**< Maximum buffer size */
unsigned char *buf_ptr; /**< Current position in the buffer */
unsigned char *buf_end; /**< End of the data, may be less than
buffer+buffer_size if the read function returned
less data than requested, e.g. for streams where
no more data has been received yet. */
void *opaque; /**< A private pointer, passed to the read/write/seek/...
functions. */
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size);
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size);
int64_t (*seek)(void *opaque, int64_t offset, int whence);
int64_t pos; /**< position in the file of the current buffer */
int must_flush; /**< true if the next seek should flush */
int eof_reached; /**< true if eof reached */
int write_flag; /**< true if open for writing */
int max_packet_size;
unsigned long checksum;
unsigned char *checksum_ptr;
unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
int error; /**< contains the error code or 0 if no error happened */
/**
* Pause or resume playback for network streaming protocols - e.g. MMS.
*/
int (*read_pause)(void *opaque, int pause);
/**
* Seek to a given timestamp in stream with the specified stream_index.
* Needed for some network streaming protocols which don't support seeking
* to byte position.
*/
int64_t (*read_seek)(void *opaque, int stream_index,
int64_t timestamp, int flags);
/**
* A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
*/
int seekable;
/**
* max filesize, used to limit allocations
* This field is internal to libavformat and access from outside is not allowed.
*/
int64_t maxsize;
/**
* avio_read and avio_write should if possible be satisfied directly
* instead of going through a buffer, and avio_seek will always
* call the underlying seek function directly.
*/
int direct;
/**
* Bytes read statistic
* This field is internal to libavformat and access from outside is not allowed.
*/
int64_t bytes_read;
/**
* seek statistic
* This field is internal to libavformat and access from outside is not allowed.
*/
int seek_count;
} AVIOContext;
/* unbuffered I/O */
/**
* Return AVIO_FLAG_* access flags corresponding to the access permissions
* of the resource in url, or a negative value corresponding to an
* AVERROR code in case of failure. The returned access flags are
* masked by the value in flags.
*
* @note This function is intrinsically unsafe, in the sense that the
* checked resource may change its existence or permission status from
* one call to another. Thus you should not trust the returned value,
* unless you are sure that no other processes are accessing the
* checked resource.
*/
int avio_check(const char *url, int flags);
/**
* Allocate and initialize an AVIOContext for buffered I/O. It must be later
* freed with av_free().
*
* @param buffer Memory block for input/output operations via AVIOContext.
* The buffer must be allocated with av_malloc() and friends.
* @param buffer_size The buffer size is very important for performance.
* For protocols with fixed blocksize it should be set to this blocksize.
* For others a typical size is a cache page, e.g. 4kb.
* @param write_flag Set to 1 if the buffer should be writable, 0 otherwise.
* @param opaque An opaque pointer to user-specific data.
* @param read_packet A function for refilling the buffer, may be NULL.
* @param write_packet A function for writing the buffer contents, may be NULL.
* The function may not change the input buffers content.
* @param seek A function for seeking to specified byte position, may be NULL.
*
* @return Allocated AVIOContext or NULL on failure.
*/
AVIOContext *avio_alloc_context(
unsigned char *buffer,
int buffer_size,
int write_flag,
void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence));
void avio_w8(AVIOContext *s, int b);
void avio_write(AVIOContext *s, const unsigned char *buf, int size);
void avio_wl64(AVIOContext *s, uint64_t val);
void avio_wb64(AVIOContext *s, uint64_t val);
void avio_wl32(AVIOContext *s, unsigned int val);
void avio_wb32(AVIOContext *s, unsigned int val);
void avio_wl24(AVIOContext *s, unsigned int val);
void avio_wb24(AVIOContext *s, unsigned int val);
void avio_wl16(AVIOContext *s, unsigned int val);
void avio_wb16(AVIOContext *s, unsigned int val);
/**
* Write a NULL-terminated string.
* @return number of bytes written.
*/
int avio_put_str(AVIOContext *s, const char *str);
/**
* Convert an UTF-8 string to UTF-16LE and write it.
* @return number of bytes written.
*/
int avio_put_str16le(AVIOContext *s, const char *str);
/**
* Passing this as the "whence" parameter to a seek function causes it to
* return the filesize without seeking anywhere. Supporting this is optional.
* If it is not supported then the seek function will return <0.
*/
#define AVSEEK_SIZE 0x10000
/**
* Oring this flag as into the "whence" parameter to a seek function causes it to
* seek by any means (like reopening and linear reading) or other normally unreasonble
* means that can be extreemly slow.
* This may be ignored by the seek code.
*/
#define AVSEEK_FORCE 0x20000
/**
* fseek() equivalent for AVIOContext.
* @return new position or AVERROR.
*/
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence);
/**
* Skip given number of bytes forward
* @return new position or AVERROR.
*/
int64_t avio_skip(AVIOContext *s, int64_t offset);
/**
* ftell() equivalent for AVIOContext.
* @return position or AVERROR.
*/
static av_always_inline int64_t avio_tell(AVIOContext *s)
{
return avio_seek(s, 0, SEEK_CUR);
}
/**
* Get the filesize.
* @return filesize or AVERROR
*/
int64_t avio_size(AVIOContext *s);
/**
* feof() equivalent for AVIOContext.
* @return non zero if and only if end of file
*/
int url_feof(AVIOContext *s);
/** @warning currently size is limited */
int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
/**
* Force flushing of buffered data to the output s.
*
* Force the buffered data to be immediately written to the output,
* without to wait to fill the internal buffer.
*/
void avio_flush(AVIOContext *s);
/**
* Read size bytes from AVIOContext into buf.
* @return number of bytes read or AVERROR
*/
int avio_read(AVIOContext *s, unsigned char *buf, int size);
/**
* @name Functions for reading from AVIOContext
* @{
*
* @note return 0 if EOF, so you cannot use it if EOF handling is
* necessary
*/
int avio_r8 (AVIOContext *s);
unsigned int avio_rl16(AVIOContext *s);
unsigned int avio_rl24(AVIOContext *s);
unsigned int avio_rl32(AVIOContext *s);
uint64_t avio_rl64(AVIOContext *s);
unsigned int avio_rb16(AVIOContext *s);
unsigned int avio_rb24(AVIOContext *s);
unsigned int avio_rb32(AVIOContext *s);
uint64_t avio_rb64(AVIOContext *s);
/**
* @}
*/
/**
* Read a string from pb into buf. The reading will terminate when either
* a NULL character was encountered, maxlen bytes have been read, or nothing
* more can be read from pb. The result is guaranteed to be NULL-terminated, it
* will be truncated if buf is too small.
* Note that the string is not interpreted or validated in any way, it
* might get truncated in the middle of a sequence for multi-byte encodings.
*
* @return number of bytes read (is always <= maxlen).
* If reading ends on EOF or error, the return value will be one more than
* bytes actually read.
*/
int avio_get_str(AVIOContext *pb, int maxlen, char *buf, int buflen);
/**
* Read a UTF-16 string from pb and convert it to UTF-8.
* The reading will terminate when either a null or invalid character was
* encountered or maxlen bytes have been read.
* @return number of bytes read (is always <= maxlen)
*/
int avio_get_str16le(AVIOContext *pb, int maxlen, char *buf, int buflen);
int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen);
/**
* @name URL open modes
* The flags argument to avio_open must be one of the following
* constants, optionally ORed with other flags.
* @{
*/
#define AVIO_FLAG_READ 1 /**< read-only */
#define AVIO_FLAG_WRITE 2 /**< write-only */
#define AVIO_FLAG_READ_WRITE (AVIO_FLAG_READ|AVIO_FLAG_WRITE) /**< read-write pseudo flag */
/**
* @}
*/
/**
* Use non-blocking mode.
* If this flag is set, operations on the context will return
* AVERROR(EAGAIN) if they can not be performed immediately.
* If this flag is not set, operations on the context will never return
* AVERROR(EAGAIN).
* Note that this flag does not affect the opening/connecting of the
* context. Connecting a protocol will always block if necessary (e.g. on
* network protocols) but never hang (e.g. on busy devices).
* Warning: non-blocking protocols is work-in-progress; this flag may be
* silently ignored.
*/
#define AVIO_FLAG_NONBLOCK 8
/**
* Use direct mode.
* avio_read and avio_write should if possible be satisfied directly
* instead of going through a buffer, and avio_seek will always
* call the underlying seek function directly.
*/
#define AVIO_FLAG_DIRECT 0x8000
/**
* Create and initialize a AVIOContext for accessing the
* resource indicated by url.
* @note When the resource indicated by url has been opened in
* read+write mode, the AVIOContext can be used only for writing.
*
* @param s Used to return the pointer to the created AVIOContext.
* In case of failure the pointed to value is set to NULL.
* @param flags flags which control how the resource indicated by url
* is to be opened
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code in case of failure
*/
int avio_open(AVIOContext **s, const char *url, int flags);
/**
* Create and initialize a AVIOContext for accessing the
* resource indicated by url.
* @note When the resource indicated by url has been opened in
* read+write mode, the AVIOContext can be used only for writing.
*
* @param s Used to return the pointer to the created AVIOContext.
* In case of failure the pointed to value is set to NULL.
* @param flags flags which control how the resource indicated by url
* is to be opened
* @param int_cb an interrupt callback to be used at the protocols level
* @param options A dictionary filled with protocol-private options. On return
* this parameter will be destroyed and replaced with a dict containing options
* that were not found. May be NULL.
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code in case of failure
*/
int avio_open2(AVIOContext **s, const char *url, int flags,
const AVIOInterruptCB *int_cb, AVDictionary **options);
/**
* Close the resource accessed by the AVIOContext s and free it.
* This function can only be used if s was opened by avio_open().
*
* The internal buffer is automatically flushed before closing the
* resource.
*
* @return 0 on success, an AVERROR < 0 on error.
* @see avio_closep
*/
int avio_close(AVIOContext *s);
/**
* Close the resource accessed by the AVIOContext *s, free it
* and set the pointer pointing to it to NULL.
* This function can only be used if s was opened by avio_open().
*
* The internal buffer is automatically flushed before closing the
* resource.
*
* @return 0 on success, an AVERROR < 0 on error.
* @see avio_close
*/
int avio_closep(AVIOContext **s);
/**
* Open a write only memory stream.
*
* @param s new IO context
* @return zero if no error.
*/
int avio_open_dyn_buf(AVIOContext **s);
/**
* Return the written size and a pointer to the buffer. The buffer
* must be freed with av_free().
* Padding of FF_INPUT_BUFFER_PADDING_SIZE is added to the buffer.
*
* @param s IO context
* @param pbuffer pointer to a byte buffer
* @return the length of the byte buffer
*/
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer);
/**
* Iterate through names of available protocols.
*
* @param opaque A private pointer representing current protocol.
* It must be a pointer to NULL on first iteration and will
* be updated by successive calls to avio_enum_protocols.
* @param output If set to 1, iterate over output protocols,
* otherwise over input protocols.
*
* @return A static string containing the name of current protocol or NULL
*/
const char *avio_enum_protocols(void **opaque, int output);
/**
* Pause and resume playing - only meaningful if using a network streaming
* protocol (e.g. MMS).
* @param pause 1 for pause, 0 for resume
*/
int avio_pause(AVIOContext *h, int pause);
/**
* Seek to a given timestamp relative to some component stream.
* Only meaningful if using a network streaming protocol (e.g. MMS.).
* @param stream_index The stream index that the timestamp is relative to.
* If stream_index is (-1) the timestamp should be in AV_TIME_BASE
* units from the beginning of the presentation.
* If a stream_index >= 0 is used and the protocol does not support
* seeking based on component streams, the call will fail.
* @param timestamp timestamp in AVStream.time_base units
* or if there is no stream specified then in AV_TIME_BASE units.
* @param flags Optional combination of AVSEEK_FLAG_BACKWARD, AVSEEK_FLAG_BYTE
* and AVSEEK_FLAG_ANY. The protocol may silently ignore
* AVSEEK_FLAG_BACKWARD and AVSEEK_FLAG_ANY, but AVSEEK_FLAG_BYTE will
* fail if used and not supported.
* @return >= 0 on success
* @see AVInputFormat::read_seek
*/
int64_t avio_seek_time(AVIOContext *h, int stream_index,
int64_t timestamp, int flags);
#endif /* AVFORMAT_AVIO_H */

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@ -0,0 +1,89 @@
/*
* Version macros.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_VERSION_H
#define AVFORMAT_VERSION_H
/**
* @file
* @ingroup libavf
* Libavformat version macros
*/
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 54
#define LIBAVFORMAT_VERSION_MINOR 63
#define LIBAVFORMAT_VERSION_MICRO 104
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
LIBAVFORMAT_VERSION_MICRO)
#define LIBAVFORMAT_VERSION AV_VERSION(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
LIBAVFORMAT_VERSION_MICRO)
#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
/**
* FF_API_* defines may be placed below to indicate public API that will be
* dropped at a future version bump. The defines themselves are not part of
* the public API and may change, break or disappear at any time.
*/
#ifndef FF_API_OLD_AVIO
#define FF_API_OLD_AVIO (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_PKT_DUMP
#define FF_API_PKT_DUMP (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_ALLOC_OUTPUT_CONTEXT
#define FF_API_ALLOC_OUTPUT_CONTEXT (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_FORMAT_PARAMETERS
#define FF_API_FORMAT_PARAMETERS (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_NEW_STREAM
#define FF_API_NEW_STREAM (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_SET_PTS_INFO
#define FF_API_SET_PTS_INFO (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_CLOSE_INPUT_FILE
#define FF_API_CLOSE_INPUT_FILE (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_APPLEHTTP_PROTO
#define FF_API_APPLEHTTP_PROTO (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_READ_PACKET
#define FF_API_READ_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_INTERLEAVE_PACKET
#define FF_API_INTERLEAVE_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_AV_GETTIME
#define FF_API_AV_GETTIME (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_R_FRAME_RATE
#define FF_API_R_FRAME_RATE (LIBAVFORMAT_VERSION_MAJOR < 55)
#endif
#endif /* AVFORMAT_VERSION_H */

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branches/2.0/doubango/thirdparties/win32/include/libavutil/adler32.h
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@ -25,6 +25,7 @@
#include "attributes.h"
/**
* @ingroup lavu_crypto
* Calculate the Adler32 checksum of a buffer.
*
* Passing the return value to a subsequent av_adler32_update() call

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@ -0,0 +1,65 @@
/*
* copyright (c) 2007 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_AES_H
#define AVUTIL_AES_H
#include <stdint.h>
#include "attributes.h"
#include "version.h"
/**
* @defgroup lavu_aes AES
* @ingroup lavu_crypto
* @{
*/
extern const int av_aes_size;
struct AVAES;
/**
* Allocate an AVAES context.
*/
struct AVAES *av_aes_alloc(void);
/**
* Initialize an AVAES context.
* @param key_bits 128, 192 or 256
* @param decrypt 0 for encryption, 1 for decryption
*/
int av_aes_init(struct AVAES *a, const uint8_t *key, int key_bits, int decrypt);
/**
* Encrypt or decrypt a buffer using a previously initialized context.
* @param count number of 16 byte blocks
* @param dst destination array, can be equal to src
* @param src source array, can be equal to dst
* @param iv initialization vector for CBC mode, if NULL then ECB will be used
* @param decrypt 0 for encryption, 1 for decryption
*/
void av_aes_crypt(struct AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt);
/**
* @}
*/
#endif /* AVUTIL_AES_H */

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@ -35,87 +35,120 @@
#ifndef av_always_inline
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_always_inline __attribute__((always_inline)) inline
#elif defined(_MSC_VER)
# define av_always_inline __forceinline
#else
# define av_always_inline inline
#endif
#endif
#ifndef av_noinline
#ifndef av_extern_inline
#if defined(__ICL) && __ICL >= 1210 || defined(__GNUC_STDC_INLINE__)
# define av_extern_inline extern inline
#else
# define av_extern_inline inline
#endif
#endif
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_noinline __attribute__((noinline))
#else
# define av_noinline
#endif
#endif
#ifndef av_pure
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_pure __attribute__((pure))
#else
# define av_pure
#endif
#ifndef av_restrict
#define av_restrict restrict
#endif
#ifndef av_const
#if AV_GCC_VERSION_AT_LEAST(2,6)
# define av_const __attribute__((const))
#else
# define av_const
#endif
#endif
#ifndef av_cold
#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,3)
#if AV_GCC_VERSION_AT_LEAST(4,3)
# define av_cold __attribute__((cold))
#else
# define av_cold
#endif
#endif
#ifndef av_flatten
#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,1)
#if AV_GCC_VERSION_AT_LEAST(4,1)
# define av_flatten __attribute__((flatten))
#else
# define av_flatten
#endif
#endif
#ifndef attribute_deprecated
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define attribute_deprecated __attribute__((deprecated))
#else
# define attribute_deprecated
#endif
/**
* Disable warnings about deprecated features
* This is useful for sections of code kept for backward compatibility and
* scheduled for removal.
*/
#ifndef AV_NOWARN_DEPRECATED
#if AV_GCC_VERSION_AT_LEAST(4,6)
# define AV_NOWARN_DEPRECATED(code) \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") \
code \
_Pragma("GCC diagnostic pop")
#else
# define AV_NOWARN_DEPRECATED(code) code
#endif
#endif
#ifndef av_unused
#if defined(__GNUC__)
# define av_unused __attribute__((unused))
#else
# define av_unused
#endif
/**
* Mark a variable as used and prevent the compiler from optimizing it
* away. This is useful for variables accessed only from inline
* assembler without the compiler being aware.
*/
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_used __attribute__((used))
#else
# define av_used
#endif
#ifndef av_alias
#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(3,3)
#if AV_GCC_VERSION_AT_LEAST(3,3)
# define av_alias __attribute__((may_alias))
#else
# define av_alias
#endif
#endif
#ifndef av_uninit
#if defined(__GNUC__) && !defined(__ICC)
#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
# define av_uninit(x) x=x
#else
# define av_uninit(x) x
#endif
#endif
#ifdef __GNUC__
# define av_builtin_constant_p __builtin_constant_p
# define av_printf_format(fmtpos, attrpos) __attribute__((__format__(__printf__, fmtpos, attrpos)))
#else
# define av_builtin_constant_p(x) 0
# define av_printf_format(fmtpos, attrpos)
#endif
#if AV_GCC_VERSION_AT_LEAST(2,5)
# define av_noreturn __attribute__((noreturn))
#else
# define av_noreturn
#endif
#endif /* AVUTIL_ATTRIBUTES_H */

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@ -0,0 +1,146 @@
/*
* Audio FIFO
* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Audio FIFO Buffer
*/
#ifndef AVUTIL_AUDIO_FIFO_H
#define AVUTIL_AUDIO_FIFO_H
#include "avutil.h"
#include "fifo.h"
#include "samplefmt.h"
/**
* @addtogroup lavu_audio
* @{
*/
/**
* Context for an Audio FIFO Buffer.
*
* - Operates at the sample level rather than the byte level.
* - Supports multiple channels with either planar or packed sample format.
* - Automatic reallocation when writing to a full buffer.
*/
typedef struct AVAudioFifo AVAudioFifo;
/**
* Free an AVAudioFifo.
*
* @param af AVAudioFifo to free
*/
void av_audio_fifo_free(AVAudioFifo *af);
/**
* Allocate an AVAudioFifo.
*
* @param sample_fmt sample format
* @param channels number of channels
* @param nb_samples initial allocation size, in samples
* @return newly allocated AVAudioFifo, or NULL on error
*/
AVAudioFifo *av_audio_fifo_alloc(enum AVSampleFormat sample_fmt, int channels,
int nb_samples);
/**
* Reallocate an AVAudioFifo.
*
* @param af AVAudioFifo to reallocate
* @param nb_samples new allocation size, in samples
* @return 0 if OK, or negative AVERROR code on failure
*/
int av_audio_fifo_realloc(AVAudioFifo *af, int nb_samples);
/**
* Write data to an AVAudioFifo.
*
* The AVAudioFifo will be reallocated automatically if the available space
* is less than nb_samples.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param af AVAudioFifo to write to
* @param data audio data plane pointers
* @param nb_samples number of samples to write
* @return number of samples actually written, or negative AVERROR
* code on failure.
*/
int av_audio_fifo_write(AVAudioFifo *af, void **data, int nb_samples);
/**
* Read data from an AVAudioFifo.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param af AVAudioFifo to read from
* @param data audio data plane pointers
* @param nb_samples number of samples to read
* @return number of samples actually read, or negative AVERROR code
* on failure.
*/
int av_audio_fifo_read(AVAudioFifo *af, void **data, int nb_samples);
/**
* Drain data from an AVAudioFifo.
*
* Removes the data without reading it.
*
* @param af AVAudioFifo to drain
* @param nb_samples number of samples to drain
* @return 0 if OK, or negative AVERROR code on failure
*/
int av_audio_fifo_drain(AVAudioFifo *af, int nb_samples);
/**
* Reset the AVAudioFifo buffer.
*
* This empties all data in the buffer.
*
* @param af AVAudioFifo to reset
*/
void av_audio_fifo_reset(AVAudioFifo *af);
/**
* Get the current number of samples in the AVAudioFifo available for reading.
*
* @param af the AVAudioFifo to query
* @return number of samples available for reading
*/
int av_audio_fifo_size(AVAudioFifo *af);
/**
* Get the current number of samples in the AVAudioFifo available for writing.
*
* @param af the AVAudioFifo to query
* @return number of samples available for writing
*/
int av_audio_fifo_space(AVAudioFifo *af);
/**
* @}
*/
#endif /* AVUTIL_AUDIO_FIFO_H */

6
branches/2.0/doubango/thirdparties/win32/include/libavutil/audioconvert.h Normal file
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@ -0,0 +1,6 @@
#include "version.h"
#if FF_API_AUDIOCONVERT
#include "channel_layout.h"
#endif

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branches/2.0/doubango/thirdparties/win32/include/libavutil/avassert.h Normal file
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@ -0,0 +1,66 @@
/*
* copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* simple assert() macros that are a bit more flexible than ISO C assert().
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#ifndef AVUTIL_AVASSERT_H
#define AVUTIL_AVASSERT_H
#include <stdlib.h>
#include "avutil.h"
#include "log.h"
/**
* assert() equivalent, that is always enabled.
*/
#define av_assert0(cond) do { \
if (!(cond)) { \
av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n", \
AV_STRINGIFY(cond), __FILE__, __LINE__); \
abort(); \
} \
} while (0)
/**
* assert() equivalent, that does not lie in speed critical code.
* These asserts() thus can be enabled without fearing speedloss.
*/
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
#define av_assert1(cond) av_assert0(cond)
#else
#define av_assert1(cond) ((void)0)
#endif
/**
* assert() equivalent, that does lie in speed critical code.
*/
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
#define av_assert2(cond) av_assert0(cond)
#else
#define av_assert2(cond) ((void)0)
#endif
#endif /* AVUTIL_AVASSERT_H */

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branches/2.0/doubango/thirdparties/win32/include/libavutil/avconfig.h
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@ -3,4 +3,5 @@
#define AVUTIL_AVCONFIG_H
#define AV_HAVE_BIGENDIAN 0
#define AV_HAVE_FAST_UNALIGNED 1
#define AV_HAVE_INCOMPATIBLE_FORK_ABI 0
#endif /* AVUTIL_AVCONFIG_H */

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branches/2.0/doubango/thirdparties/win32/include/libavutil/avstring.h
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@ -22,6 +22,12 @@
#define AVUTIL_AVSTRING_H
#include <stddef.h>
#include "attributes.h"
/**
* @addtogroup lavu_string
* @{
*/
/**
* Return non-zero if pfx is a prefix of str. If it is, *ptr is set to
@ -60,6 +66,21 @@ int av_stristart(const char *str, const char *pfx, const char **ptr);
*/
char *av_stristr(const char *haystack, const char *needle);
/**
* Locate the first occurrence of the string needle in the string haystack
* where not more than hay_length characters are searched. A zero-length
* string needle is considered to match at the start of haystack.
*
* This function is a length-limited version of the standard strstr().
*
* @param haystack string to search in
* @param needle string to search for
* @param hay_length length of string to search in
* @return pointer to the located match within haystack
* or a null pointer if no match
*/
char *av_strnstr(const char *haystack, const char *needle, size_t hay_length);
/**
* Copy the string src to dst, but no more than size - 1 bytes, and
* null-terminate dst.
@ -71,7 +92,7 @@ char *av_stristr(const char *haystack, const char *needle);
* @param size size of destination buffer
* @return the length of src
*
* WARNING: since the return value is the length of src, src absolutely
* @warning since the return value is the length of src, src absolutely
* _must_ be a properly 0-terminated string, otherwise this will read beyond
* the end of the buffer and possibly crash.
*/
@ -89,9 +110,9 @@ size_t av_strlcpy(char *dst, const char *src, size_t size);
* @param size size of destination buffer
* @return the total length of src and dst
*
* WARNING: since the return value use the length of src and dst, these absolutely
* _must_ be a properly 0-terminated strings, otherwise this will read beyond
* the end of the buffer and possibly crash.
* @warning since the return value use the length of src and dst, these
* absolutely _must_ be a properly 0-terminated strings, otherwise this
* will read beyond the end of the buffer and possibly crash.
*/
size_t av_strlcat(char *dst, const char *src, size_t size);
@ -107,11 +128,188 @@ size_t av_strlcat(char *dst, const char *src, size_t size);
* @return the length of the string that would have been generated
* if enough space had been available
*/
size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...);
size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) av_printf_format(3, 4);
/**
* Print arguments following specified format into a large enough auto
* allocated buffer. It is similar to GNU asprintf().
* @param fmt printf-compatible format string, specifying how the
* following parameters are used.
* @return the allocated string
* @note You have to free the string yourself with av_free().
*/
char *av_asprintf(const char *fmt, ...) av_printf_format(1, 2);
/**
* Convert a number to a av_malloced string.
*/
char *av_d2str(double d);
/**
* Unescape the given string until a non escaped terminating char,
* and return the token corresponding to the unescaped string.
*
* The normal \ and ' escaping is supported. Leading and trailing
* whitespaces are removed, unless they are escaped with '\' or are
* enclosed between ''.
*
* @param buf the buffer to parse, buf will be updated to point to the
* terminating char
* @param term a 0-terminated list of terminating chars
* @return the malloced unescaped string, which must be av_freed by
* the user, NULL in case of allocation failure
*/
char *av_get_token(const char **buf, const char *term);
/**
* Split the string into several tokens which can be accessed by
* successive calls to av_strtok().
*
* A token is defined as a sequence of characters not belonging to the
* set specified in delim.
*
* On the first call to av_strtok(), s should point to the string to
* parse, and the value of saveptr is ignored. In subsequent calls, s
* should be NULL, and saveptr should be unchanged since the previous
* call.
*
* This function is similar to strtok_r() defined in POSIX.1.
*
* @param s the string to parse, may be NULL
* @param delim 0-terminated list of token delimiters, must be non-NULL
* @param saveptr user-provided pointer which points to stored
* information necessary for av_strtok() to continue scanning the same
* string. saveptr is updated to point to the next character after the
* first delimiter found, or to NULL if the string was terminated
* @return the found token, or NULL when no token is found
*/
char *av_strtok(char *s, const char *delim, char **saveptr);
/**
* Locale-independent conversion of ASCII isdigit.
*/
static inline int av_isdigit(int c)
{
return c >= '0' && c <= '9';
}
/**
* Locale-independent conversion of ASCII isgraph.
*/
static inline int av_isgraph(int c)
{
return c > 32 && c < 127;
}
/**
* Locale-independent conversion of ASCII isspace.
*/
static inline int av_isspace(int c)
{
return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v';
}
/**
* Locale-independent conversion of ASCII characters to uppercase.
*/
static inline int av_toupper(int c)
{
if (c >= 'a' && c <= 'z')
c ^= 0x20;
return c;
}
/**
* Locale-independent conversion of ASCII characters to lowercase.
*/
static inline int av_tolower(int c)
{
if (c >= 'A' && c <= 'Z')
c ^= 0x20;
return c;
}
/**
* Locale-independent conversion of ASCII isxdigit.
*/
static inline int av_isxdigit(int c)
{
c = av_tolower(c);
return av_isdigit(c) || (c >= 'a' && c <= 'z');
}
/**
* Locale-independent case-insensitive compare.
* @note This means only ASCII-range characters are case-insensitive
*/
int av_strcasecmp(const char *a, const char *b);
/**
* Locale-independent case-insensitive compare.
* @note This means only ASCII-range characters are case-insensitive
*/
int av_strncasecmp(const char *a, const char *b, size_t n);
/**
* Thread safe basename.
* @param path the path, on DOS both \ and / are considered separators.
* @return pointer to the basename substring.
*/
const char *av_basename(const char *path);
/**
* Thread safe dirname.
* @param path the path, on DOS both \ and / are considered separators.
* @return the path with the separator replaced by the string terminator or ".".
* @note the function may change the input string.
*/
const char *av_dirname(char *path);
enum AVEscapeMode {
AV_ESCAPE_MODE_AUTO, ///< Use auto-selected escaping mode.
AV_ESCAPE_MODE_BACKSLASH, ///< Use backslash escaping.
AV_ESCAPE_MODE_QUOTE, ///< Use single-quote escaping.
};
/**
* Consider spaces special and escape them even in the middle of the
* string.
*
* This is equivalent to adding the whitespace characters to the special
* characters lists, except it is guaranteed to use the exact same list
* of whitespace characters as the rest of libavutil.
*/
#define AV_ESCAPE_FLAG_WHITESPACE 0x01
/**
* Escape only specified special characters.
* Without this flag, escape also any characters that may be considered
* special by av_get_token(), such as the single quote.
*/
#define AV_ESCAPE_FLAG_STRICT 0x02
/**
* Escape string in src, and put the escaped string in an allocated
* string in *dst, which must be freed with av_free().
*
* @param dst pointer where an allocated string is put
* @param src string to escape, must be non-NULL
* @param special_chars string containing the special characters which
* need to be escaped, can be NULL
* @param mode escape mode to employ, see AV_ESCAPE_MODE_* macros.
* Any unknown value for mode will be considered equivalent to
* AV_ESCAPE_MODE_BACKSLASH, but this behaviour can change without
* notice.
* @param flags flags which control how to escape, see AV_ESCAPE_FLAG_ macros
* @return the length of the allocated string, or a negative error code in case of error
* @see av_bprint_escape()
*/
int av_escape(char **dst, const char *src, const char *special_chars,
enum AVEscapeMode mode, int flags);
/**
* @}
*/
#endif /* AVUTIL_AVSTRING_H */

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@ -26,32 +26,93 @@
* external API header
*/
/**
* @mainpage
*
* @section ffmpeg_intro Introduction
*
* This document describes the usage of the different libraries
* provided by FFmpeg.
*
* @li @ref libavc "libavcodec" encoding/decoding library
* @li @ref lavfi "libavfilter" graph based frame editing library
* @li @ref libavf "libavformat" I/O and muxing/demuxing library
* @li @ref lavd "libavdevice" special devices muxing/demuxing library
* @li @ref lavu "libavutil" common utility library
* @li @ref lswr "libswresample" audio resampling, format conversion and mixing
* @li @ref lpp "libpostproc" post processing library
* @li @ref lsws "libswscale" color conversion and scaling library
*/
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
/**
* @defgroup lavu Common utility functions
*
* @brief
* libavutil contains the code shared across all the other FFmpeg
* libraries
*
* @note In order to use the functions provided by avutil you must include
* the specific header.
*
* @{
*
* @defgroup lavu_crypto Crypto and Hashing
*
* @{
* @}
*
* @defgroup lavu_math Maths
* @{
*
* @}
*
* @defgroup lavu_string String Manipulation
*
* @{
*
* @}
*
* @defgroup lavu_mem Memory Management
*
* @{
*
* @}
*
* @defgroup lavu_data Data Structures
* @{
*
* @}
*
* @defgroup lavu_audio Audio related
*
* @{
*
* @}
*
* @defgroup lavu_error Error Codes
*
* @{
*
* @}
*
* @defgroup lavu_misc Other
*
* @{
*
* @defgroup lavu_internal Internal
*
* Not exported functions, for internal usage only
*
* @{
*
* @}
*/
#define AV_GLUE(a, b) a ## b
#define AV_JOIN(a, b) AV_GLUE(a, b)
#define AV_PRAGMA(s) _Pragma(#s)
#define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 50
#define LIBAVUTIL_VERSION_MINOR 23
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \
LIBAVUTIL_VERSION_MICRO)
#define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \
LIBAVUTIL_VERSION_MICRO)
#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
/**
* @addtogroup lavu_ver
* @{
*/
/**
* Return the LIBAVUTIL_VERSION_INT constant.
@ -68,22 +129,132 @@ const char *avutil_configuration(void);
*/
const char *avutil_license(void);
/**
* @}
*/
/**
* @addtogroup lavu_media Media Type
* @brief Media Type
*/
enum AVMediaType {
AVMEDIA_TYPE_UNKNOWN = -1,
AVMEDIA_TYPE_UNKNOWN = -1, ///< Usually treated as AVMEDIA_TYPE_DATA
AVMEDIA_TYPE_VIDEO,
AVMEDIA_TYPE_AUDIO,
AVMEDIA_TYPE_DATA,
AVMEDIA_TYPE_DATA, ///< Opaque data information usually continuous
AVMEDIA_TYPE_SUBTITLE,
AVMEDIA_TYPE_ATTACHMENT,
AVMEDIA_TYPE_ATTACHMENT, ///< Opaque data information usually sparse
AVMEDIA_TYPE_NB
};
/**
* Return a string describing the media_type enum, NULL if media_type
* is unknown.
*/
const char *av_get_media_type_string(enum AVMediaType media_type);
/**
* @defgroup lavu_const Constants
* @{
*
* @defgroup lavu_enc Encoding specific
*
* @note those definition should move to avcodec
* @{
*/
#define FF_LAMBDA_SHIFT 7
#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
#define FF_LAMBDA_MAX (256*128-1)
#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
/**
* @}
* @defgroup lavu_time Timestamp specific
*
* FFmpeg internal timebase and timestamp definitions
*
* @{
*/
/**
* @brief Undefined timestamp value
*
* Usually reported by demuxer that work on containers that do not provide
* either pts or dts.
*/
#define AV_NOPTS_VALUE ((int64_t)UINT64_C(0x8000000000000000))
/**
* Internal time base represented as integer
*/
#define AV_TIME_BASE 1000000
/**
* Internal time base represented as fractional value
*/
#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
/**
* @}
* @}
* @defgroup lavu_picture Image related
*
* AVPicture types, pixel formats and basic image planes manipulation.
*
* @{
*/
enum AVPictureType {
AV_PICTURE_TYPE_NONE = 0, ///< Undefined
AV_PICTURE_TYPE_I, ///< Intra
AV_PICTURE_TYPE_P, ///< Predicted
AV_PICTURE_TYPE_B, ///< Bi-dir predicted
AV_PICTURE_TYPE_S, ///< S(GMC)-VOP MPEG4
AV_PICTURE_TYPE_SI, ///< Switching Intra
AV_PICTURE_TYPE_SP, ///< Switching Predicted
AV_PICTURE_TYPE_BI, ///< BI type
};
/**
* Return a single letter to describe the given picture type
* pict_type.
*
* @param[in] pict_type the picture type @return a single character
* representing the picture type, '?' if pict_type is unknown
*/
char av_get_picture_type_char(enum AVPictureType pict_type);
/**
* @}
*/
#include "common.h"
#include "error.h"
#include "version.h"
#include "mathematics.h"
#include "rational.h"
#include "intfloat_readwrite.h"
#include "log.h"
#include "pixfmt.h"
/**
* Return x default pointer in case p is NULL.
*/
static inline void *av_x_if_null(const void *p, const void *x)
{
return (void *)(intptr_t)(p ? p : x);
}
/**
* @}
* @}
*/
#endif /* AVUTIL_AVUTIL_H */

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@ -23,6 +23,13 @@
#include <stdint.h>
/**
* @defgroup lavu_base64 Base64
* @ingroup lavu_crypto
* @{
*/
/**
* Decode a base64-encoded string.
*
@ -39,16 +46,22 @@ int av_base64_decode(uint8_t *out, const char *in, int out_size);
* Encode data to base64 and null-terminate.
*
* @param out buffer for encoded data
* @param out_size size in bytes of the output buffer, must be at
* least AV_BASE64_SIZE(in_size)
* @param in_size size in bytes of the 'in' buffer
* @return 'out' or NULL in case of error
* @param out_size size in bytes of the out buffer (including the
* null terminator), must be at least AV_BASE64_SIZE(in_size)
* @param in input buffer containing the data to encode
* @param in_size size in bytes of the in buffer
* @return out or NULL in case of error
*/
char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
/**
* Calculate the output size needed to base64-encode x bytes.
* Calculate the output size needed to base64-encode x bytes to a
* null-terminated string.
*/
#define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1)
/**
* @}
*/
#endif /* AVUTIL_BASE64_H */

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@ -0,0 +1,77 @@
/*
* Blowfish algorithm
* Copyright (c) 2012 Samuel Pitoiset
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_BLOWFISH_H
#define AVUTIL_BLOWFISH_H
#include <stdint.h>
/**
* @defgroup lavu_blowfish Blowfish
* @ingroup lavu_crypto
* @{
*/
#define AV_BF_ROUNDS 16
typedef struct AVBlowfish {
uint32_t p[AV_BF_ROUNDS + 2];
uint32_t s[4][256];
} AVBlowfish;
/**
* Initialize an AVBlowfish context.
*
* @param ctx an AVBlowfish context
* @param key a key
* @param key_len length of the key
*/
void av_blowfish_init(struct AVBlowfish *ctx, const uint8_t *key, int key_len);
/**
* Encrypt or decrypt a buffer using a previously initialized context.
*
* @param ctx an AVBlowfish context
* @param xl left four bytes halves of input to be encrypted
* @param xr right four bytes halves of input to be encrypted
* @param decrypt 0 for encryption, 1 for decryption
*/
void av_blowfish_crypt_ecb(struct AVBlowfish *ctx, uint32_t *xl, uint32_t *xr,
int decrypt);
/**
* Encrypt or decrypt a buffer using a previously initialized context.
*
* @param ctx an AVBlowfish context
* @param dst destination array, can be equal to src
* @param src source array, can be equal to dst
* @param count number of 8 byte blocks
* @param iv initialization vector for CBC mode, if NULL ECB will be used
* @param decrypt 0 for encryption, 1 for decryption
*/
void av_blowfish_crypt(struct AVBlowfish *ctx, uint8_t *dst, const uint8_t *src,
int count, uint8_t *iv, int decrypt);
/**
* @}
*/
#endif /* AVUTIL_BLOWFISH_H */

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@ -0,0 +1,200 @@
/*
* Copyright (c) 2012 Nicolas George
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_BPRINT_H
#define AVUTIL_BPRINT_H
#include "attributes.h"
#include "avstring.h"
/**
* Define a structure with extra padding to a fixed size
* This helps ensuring binary compatibility with future versions.
*/
#define FF_PAD_STRUCTURE(size, ...) \
__VA_ARGS__ \
char reserved_padding[size - sizeof(struct { __VA_ARGS__ })];
/**
* Buffer to print data progressively
*
* The string buffer grows as necessary and is always 0-terminated.
* The content of the string is never accessed, and thus is
* encoding-agnostic and can even hold binary data.
*
* Small buffers are kept in the structure itself, and thus require no
* memory allocation at all (unless the contents of the buffer is needed
* after the structure goes out of scope). This is almost as lightweight as
* declaring a local "char buf[512]".
*
* The length of the string can go beyond the allocated size: the buffer is
* then truncated, but the functions still keep account of the actual total
* length.
*
* In other words, buf->len can be greater than buf->size and records the
* total length of what would have been to the buffer if there had been
* enough memory.
*
* Append operations do not need to be tested for failure: if a memory
* allocation fails, data stop being appended to the buffer, but the length
* is still updated. This situation can be tested with
* av_bprint_is_complete().
*
* The size_max field determines several possible behaviours:
*
* size_max = -1 (= UINT_MAX) or any large value will let the buffer be
* reallocated as necessary, with an amortized linear cost.
*
* size_max = 0 prevents writing anything to the buffer: only the total
* length is computed. The write operations can then possibly be repeated in
* a buffer with exactly the necessary size
* (using size_init = size_max = len + 1).
*
* size_max = 1 is automatically replaced by the exact size available in the
* structure itself, thus ensuring no dynamic memory allocation. The
* internal buffer is large enough to hold a reasonable paragraph of text,
* such as the current paragraph.
*/
typedef struct AVBPrint {
FF_PAD_STRUCTURE(1024,
char *str; /** string so far */
unsigned len; /** length so far */
unsigned size; /** allocated memory */
unsigned size_max; /** maximum allocated memory */
char reserved_internal_buffer[1];
)
} AVBPrint;
/**
* Convenience macros for special values for av_bprint_init() size_max
* parameter.
*/
#define AV_BPRINT_SIZE_UNLIMITED ((unsigned)-1)
#define AV_BPRINT_SIZE_AUTOMATIC 1
#define AV_BPRINT_SIZE_COUNT_ONLY 0
/**
* Init a print buffer.
*
* @param buf buffer to init
* @param size_init initial size (including the final 0)
* @param size_max maximum size;
* 0 means do not write anything, just count the length;
* 1 is replaced by the maximum value for automatic storage;
* any large value means that the internal buffer will be
* reallocated as needed up to that limit; -1 is converted to
* UINT_MAX, the largest limit possible.
* Check also AV_BPRINT_SIZE_* macros.
*/
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max);
/**
* Init a print buffer using a pre-existing buffer.
*
* The buffer will not be reallocated.
*
* @param buf buffer structure to init
* @param buffer byte buffer to use for the string data
* @param size size of buffer
*/
void av_bprint_init_for_buffer(AVBPrint *buf, char *buffer, unsigned size);
/**
* Append a formatted string to a print buffer.
*/
void av_bprintf(AVBPrint *buf, const char *fmt, ...) av_printf_format(2, 3);
/**
* Append char c n times to a print buffer.
*/
void av_bprint_chars(AVBPrint *buf, char c, unsigned n);
struct tm;
/**
* Append a formatted date and time to a print buffer.
*
* param buf bprint buffer to use
* param fmt date and time format string, see strftime()
* param tm broken-down time structure to translate
*
* @note due to poor design of the standard strftime function, it may
* produce poor results if the format string expands to a very long text and
* the bprint buffer is near the limit stated by the size_max option.
*/
void av_bprint_strftime(AVBPrint *buf, const char *fmt, const struct tm *tm);
/**
* Allocate bytes in the buffer for external use.
*
* @param[in] buf buffer structure
* @param[in] size required size
* @param[out] mem pointer to the memory area
* @param[out] actual_size size of the memory area after allocation;
* can be larger or smaller than size
*/
void av_bprint_get_buffer(AVBPrint *buf, unsigned size,
unsigned char **mem, unsigned *actual_size);
/**
* Reset the string to "" but keep internal allocated data.
*/
void av_bprint_clear(AVBPrint *buf);
/**
* Test if the print buffer is complete (not truncated).
*
* It may have been truncated due to a memory allocation failure
* or the size_max limit (compare size and size_max if necessary).
*/
static inline int av_bprint_is_complete(AVBPrint *buf)
{
return buf->len < buf->size;
}
/**
* Finalize a print buffer.
*
* The print buffer can no longer be used afterwards,
* but the len and size fields are still valid.
*
* @arg[out] ret_str if not NULL, used to return a permanent copy of the
* buffer contents, or NULL if memory allocation fails;
* if NULL, the buffer is discarded and freed
* @return 0 for success or error code (probably AVERROR(ENOMEM))
*/
int av_bprint_finalize(AVBPrint *buf, char **ret_str);
/**
* Escape the content in src and append it to dstbuf.
*
* @param dstbuf already inited destination bprint buffer
* @param src string containing the text to escape
* @param special_chars string containing the special characters which
* need to be escaped, can be NULL
* @param mode escape mode to employ, see AV_ESCAPE_MODE_* macros.
* Any unknown value for mode will be considered equivalent to
* AV_ESCAPE_MODE_BACKSLASH, but this behaviour can change without
* notice.
* @param flags flags which control how to escape, see AV_ESCAPE_FLAG_* macros
*/
void av_bprint_escape(AVBPrint *dstbuf, const char *src, const char *special_chars,
enum AVEscapeMode mode, int flags);
#endif /* AVUTIL_BPRINT_H */

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@ -65,29 +65,14 @@ static av_always_inline av_const uint16_t av_bswap16(uint16_t x)
#ifndef av_bswap32
static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
{
x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
x= (x>>16) | (x<<16);
return x;
return AV_BSWAP32C(x);
}
#endif
#ifndef av_bswap64
static inline uint64_t av_const av_bswap64(uint64_t x)
{
#if 0
x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL);
x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL);
return (x>>32) | (x<<32);
#else
union {
uint64_t ll;
uint32_t l[2];
} w, r;
w.ll = x;
r.l[0] = av_bswap32 (w.l[1]);
r.l[1] = av_bswap32 (w.l[0]);
return r.ll;
#endif
return (uint64_t)av_bswap32(x) << 32 | av_bswap32(x >> 32);
}
#endif

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@ -0,0 +1,216 @@
/*
* Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2008 Peter Ross
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_CHANNEL_LAYOUT_H
#define AVUTIL_CHANNEL_LAYOUT_H
#include <stdint.h>
/**
* @file
* audio channel layout utility functions
*/
/**
* @addtogroup lavu_audio
* @{
*/
/**
* @defgroup channel_masks Audio channel masks
*
* A channel layout is a 64-bits integer with a bit set for every channel.
* The number of bits set must be equal to the number of channels.
* The value 0 means that the channel layout is not known.
* @note this data structure is not powerful enough to handle channels
* combinations that have the same channel multiple times, such as
* dual-mono.
*
* @{
*/
#define AV_CH_FRONT_LEFT 0x00000001
#define AV_CH_FRONT_RIGHT 0x00000002
#define AV_CH_FRONT_CENTER 0x00000004
#define AV_CH_LOW_FREQUENCY 0x00000008
#define AV_CH_BACK_LEFT 0x00000010
#define AV_CH_BACK_RIGHT 0x00000020
#define AV_CH_FRONT_LEFT_OF_CENTER 0x00000040
#define AV_CH_FRONT_RIGHT_OF_CENTER 0x00000080
#define AV_CH_BACK_CENTER 0x00000100
#define AV_CH_SIDE_LEFT 0x00000200
#define AV_CH_SIDE_RIGHT 0x00000400
#define AV_CH_TOP_CENTER 0x00000800
#define AV_CH_TOP_FRONT_LEFT 0x00001000
#define AV_CH_TOP_FRONT_CENTER 0x00002000
#define AV_CH_TOP_FRONT_RIGHT 0x00004000
#define AV_CH_TOP_BACK_LEFT 0x00008000
#define AV_CH_TOP_BACK_CENTER 0x00010000
#define AV_CH_TOP_BACK_RIGHT 0x00020000
#define AV_CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
#define AV_CH_STEREO_RIGHT 0x40000000 ///< See AV_CH_STEREO_LEFT.
#define AV_CH_WIDE_LEFT 0x0000000080000000ULL
#define AV_CH_WIDE_RIGHT 0x0000000100000000ULL
#define AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL
#define AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL
#define AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL
/** Channel mask value used for AVCodecContext.request_channel_layout
to indicate that the user requests the channel order of the decoder output
to be the native codec channel order. */
#define AV_CH_LAYOUT_NATIVE 0x8000000000000000ULL
/**
* @}
* @defgroup channel_mask_c Audio channel convenience macros
* @{
* */
#define AV_CH_LAYOUT_MONO (AV_CH_FRONT_CENTER)
#define AV_CH_LAYOUT_STEREO (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT)
#define AV_CH_LAYOUT_2POINT1 (AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY)
#define AV_CH_LAYOUT_2_1 (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER)
#define AV_CH_LAYOUT_SURROUND (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER)
#define AV_CH_LAYOUT_3POINT1 (AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY)
#define AV_CH_LAYOUT_4POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER)
#define AV_CH_LAYOUT_4POINT1 (AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY)
#define AV_CH_LAYOUT_2_2 (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
#define AV_CH_LAYOUT_QUAD (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
#define AV_CH_LAYOUT_5POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
#define AV_CH_LAYOUT_5POINT1 (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY)
#define AV_CH_LAYOUT_5POINT0_BACK (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
#define AV_CH_LAYOUT_5POINT1_BACK (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY)
#define AV_CH_LAYOUT_6POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_CENTER)
#define AV_CH_LAYOUT_6POINT0_FRONT (AV_CH_LAYOUT_2_2|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
#define AV_CH_LAYOUT_HEXAGONAL (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_BACK_CENTER)
#define AV_CH_LAYOUT_6POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER)
#define AV_CH_LAYOUT_6POINT1_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_BACK_CENTER)
#define AV_CH_LAYOUT_6POINT1_FRONT (AV_CH_LAYOUT_6POINT0_FRONT|AV_CH_LOW_FREQUENCY)
#define AV_CH_LAYOUT_7POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
#define AV_CH_LAYOUT_7POINT0_FRONT (AV_CH_LAYOUT_5POINT0|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
#define AV_CH_LAYOUT_7POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
#define AV_CH_LAYOUT_7POINT1_WIDE (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
#define AV_CH_LAYOUT_7POINT1_WIDE_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
#define AV_CH_LAYOUT_OCTAGONAL (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_CENTER|AV_CH_BACK_RIGHT)
#define AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT)
enum AVMatrixEncoding {
AV_MATRIX_ENCODING_NONE,
AV_MATRIX_ENCODING_DOLBY,
AV_MATRIX_ENCODING_DPLII,
AV_MATRIX_ENCODING_NB
};
/**
* @}
*/
/**
* Return a channel layout id that matches name, or 0 if no match is found.
*
* name can be one or several of the following notations,
* separated by '+' or '|':
* - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0,
* 5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix);
* - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC,
* SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR);
* - a number of channels, in decimal, optionally followed by 'c', yielding
* the default channel layout for that number of channels (@see
* av_get_default_channel_layout);
* - a channel layout mask, in hexadecimal starting with "0x" (see the
* AV_CH_* macros).
*
* Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7"
*/
uint64_t av_get_channel_layout(const char *name);
/**
* Return a description of a channel layout.
* If nb_channels is <= 0, it is guessed from the channel_layout.
*
* @param buf put here the string containing the channel layout
* @param buf_size size in bytes of the buffer
*/
void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout);
struct AVBPrint;
/**
* Append a description of a channel layout to a bprint buffer.
*/
void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout);
/**
* Return the number of channels in the channel layout.
*/
int av_get_channel_layout_nb_channels(uint64_t channel_layout);
/**
* Return default channel layout for a given number of channels.
*/
int64_t av_get_default_channel_layout(int nb_channels);
/**
* Get the index of a channel in channel_layout.
*
* @param channel a channel layout describing exactly one channel which must be
* present in channel_layout.
*
* @return index of channel in channel_layout on success, a negative AVERROR
* on error.
*/
int av_get_channel_layout_channel_index(uint64_t channel_layout,
uint64_t channel);
/**
* Get the channel with the given index in channel_layout.
*/
uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index);
/**
* Get the name of a given channel.
*
* @return channel name on success, NULL on error.
*/
const char *av_get_channel_name(uint64_t channel);
/**
* Get the description of a given channel.
*
* @param channel a channel layout with a single channel
* @return channel description on success, NULL on error
*/
const char *av_get_channel_description(uint64_t channel);
/**
* Get the value and name of a standard channel layout.
*
* @param[in] index index in an internal list, starting at 0
* @param[out] layout channel layout mask
* @param[out] name name of the layout
* @return 0 if the layout exists,
* <0 if index is beyond the limits
*/
int av_get_standard_channel_layout(unsigned index, uint64_t *layout,
const char **name);
/**
* @}
*/
#endif /* AVUTIL_CHANNEL_LAYOUT_H */

212
branches/2.0/doubango/thirdparties/win32/include/libavutil/common.h
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@ -26,7 +26,6 @@
#ifndef AVUTIL_COMMON_H
#define AVUTIL_COMMON_H
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <limits.h>
@ -34,12 +33,23 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "attributes.h"
#include "version.h"
#include "libavutil/avconfig.h"
#if AV_HAVE_BIGENDIAN
# define AV_NE(be, le) (be)
#else
# define AV_NE(be, le) (le)
#endif
//rounded division & shift
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
/* assume b>0 */
#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
#define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b))
#define FFUMOD(a,b) ((a)-(b)*FFUDIV(a,b))
#define FFABS(a) ((a) >= 0 ? (a) : (-(a)))
#define FFSIGN(a) ((a) > 0 ? 1 : -1)
@ -53,37 +63,13 @@
#define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1))
/* misc math functions */
extern const uint8_t ff_log2_tab[256];
extern const uint8_t av_reverse[256];
static inline av_const int av_log2_c(unsigned int v)
{
int n = 0;
if (v & 0xffff0000) {
v >>= 16;
n += 16;
}
if (v & 0xff00) {
v >>= 8;
n += 8;
}
n += ff_log2_tab[v];
return n;
}
static inline av_const int av_log2_16bit_c(unsigned int v)
{
int n = 0;
if (v & 0xff00) {
v >>= 8;
n += 8;
}
n += ff_log2_tab[v];
return n;
}
/**
* Reverse the order of the bits of an 8-bits unsigned integer.
*/
#if FF_API_AV_REVERSE
extern attribute_deprecated const uint8_t av_reverse[256];
#endif
#ifdef HAVE_AV_CONFIG_H
# include "config.h"
@ -93,6 +79,14 @@ static inline av_const int av_log2_16bit_c(unsigned int v)
/* Pull in unguarded fallback defines at the end of this file. */
#include "common.h"
#ifndef av_log2
av_const int av_log2(unsigned v);
#endif
#ifndef av_log2_16bit
av_const int av_log2_16bit(unsigned v);
#endif
/**
* Clip a signed integer value into the amin-amax range.
* @param a value to clip
@ -100,8 +94,28 @@ static inline av_const int av_log2_16bit_c(unsigned int v)
* @param amax maximum value of the clip range
* @return clipped value
*/
static inline av_const int av_clip_c(int a, int amin, int amax)
static av_always_inline av_const int av_clip_c(int a, int amin, int amax)
{
#if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
if (amin > amax) abort();
#endif
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
}
/**
* Clip a signed 64bit integer value into the amin-amax range.
* @param a value to clip
* @param amin minimum value of the clip range
* @param amax maximum value of the clip range
* @return clipped value
*/
static av_always_inline av_const int64_t av_clip64_c(int64_t a, int64_t amin, int64_t amax)
{
#if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
if (amin > amax) abort();
#endif
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
@ -112,7 +126,7 @@ static inline av_const int av_clip_c(int a, int amin, int amax)
* @param a value to clip
* @return clipped value
*/
static inline av_const uint8_t av_clip_uint8_c(int a)
static av_always_inline av_const uint8_t av_clip_uint8_c(int a)
{
if (a&(~0xFF)) return (-a)>>31;
else return a;
@ -123,7 +137,7 @@ static inline av_const uint8_t av_clip_uint8_c(int a)
* @param a value to clip
* @return clipped value
*/
static inline av_const int8_t av_clip_int8_c(int a)
static av_always_inline av_const int8_t av_clip_int8_c(int a)
{
if ((a+0x80) & ~0xFF) return (a>>31) ^ 0x7F;
else return a;
@ -134,7 +148,7 @@ static inline av_const int8_t av_clip_int8_c(int a)
* @param a value to clip
* @return clipped value
*/
static inline av_const uint16_t av_clip_uint16_c(int a)
static av_always_inline av_const uint16_t av_clip_uint16_c(int a)
{
if (a&(~0xFFFF)) return (-a)>>31;
else return a;
@ -145,7 +159,7 @@ static inline av_const uint16_t av_clip_uint16_c(int a)
* @param a value to clip
* @return clipped value
*/
static inline av_const int16_t av_clip_int16_c(int a)
static av_always_inline av_const int16_t av_clip_int16_c(int a)
{
if ((a+0x8000) & ~0xFFFF) return (a>>31) ^ 0x7FFF;
else return a;
@ -156,12 +170,48 @@ static inline av_const int16_t av_clip_int16_c(int a)
* @param a value to clip
* @return clipped value
*/
static inline av_const int32_t av_clipl_int32_c(int64_t a)
static av_always_inline av_const int32_t av_clipl_int32_c(int64_t a)
{
if ((a+0x80000000u) & ~UINT64_C(0xFFFFFFFF)) return (a>>63) ^ 0x7FFFFFFF;
else return (int32_t)a;
}
/**
* Clip a signed integer to an unsigned power of two range.
* @param a value to clip
* @param p bit position to clip at
* @return clipped value
*/
static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
{
if (a & ~((1<<p) - 1)) return -a >> 31 & ((1<<p) - 1);
else return a;
}
/**
* Add two signed 32-bit values with saturation.
*
* @param a one value
* @param b another value
* @return sum with signed saturation
*/
static av_always_inline int av_sat_add32_c(int a, int b)
{
return av_clipl_int32((int64_t)a + b);
}
/**
* Add a doubled value to another value with saturation at both stages.
*
* @param a first value
* @param b value doubled and added to a
* @return sum with signed saturation
*/
static av_always_inline int av_sat_dadd32_c(int a, int b)
{
return av_sat_add32(a, av_sat_add32(b, b));
}
/**
* Clip a float value into the amin-amax range.
* @param a value to clip
@ -169,8 +219,11 @@ static inline av_const int32_t av_clipl_int32_c(int64_t a)
* @param amax maximum value of the clip range
* @return clipped value
*/
static inline av_const float av_clipf_c(float a, float amin, float amax)
static av_always_inline av_const float av_clipf_c(float a, float amin, float amax)
{
#if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
if (amin > amax) abort();
#endif
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
@ -180,13 +233,37 @@ static inline av_const float av_clipf_c(float a, float amin, float amax)
* @param x value used to compute ceil(log2(x))
* @return computed ceiling of log2(x)
*/
static inline av_const int av_ceil_log2_c(int x)
static av_always_inline av_const int av_ceil_log2_c(int x)
{
return av_log2((x - 1) << 1);
}
#define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
#define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((a) << 24))
/**
* Count number of bits set to one in x
* @param x value to count bits of
* @return the number of bits set to one in x
*/
static av_always_inline av_const int av_popcount_c(uint32_t x)
{
x -= (x >> 1) & 0x55555555;
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
x = (x + (x >> 4)) & 0x0F0F0F0F;
x += x >> 8;
return (x + (x >> 16)) & 0x3F;
}
/**
* Count number of bits set to one in x
* @param x value to count bits of
* @return the number of bits set to one in x
*/
static av_always_inline av_const int av_popcount64_c(uint64_t x)
{
return av_popcount((uint32_t)x) + av_popcount(x >> 32);
}
#define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))
#define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((unsigned)(a) << 24))
/**
* Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
@ -202,16 +279,17 @@ static inline av_const int av_ceil_log2_c(int x)
#define GET_UTF8(val, GET_BYTE, ERROR)\
val= GET_BYTE;\
{\
int ones= 7 - av_log2(val ^ 255);\
if(ones==1)\
uint32_t top = (val & 128) >> 1;\
if ((val & 0xc0) == 0x80)\
ERROR\
val&= 127>>ones;\
while(--ones > 0){\
while (val & top) {\
int tmp= GET_BYTE - 128;\
if(tmp>>6)\
ERROR\
val= (val<<6) + tmp;\
top <<= 5;\
}\
val &= (top << 1) - 1;\
}
/**
@ -235,16 +313,16 @@ static inline av_const int av_ceil_log2_c(int x)
}\
}\
/*!
* \def PUT_UTF8(val, tmp, PUT_BYTE)
/**
* @def PUT_UTF8(val, tmp, PUT_BYTE)
* Convert a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long).
* \param val is an input-only argument and should be of type uint32_t. It holds
* @param val is an input-only argument and should be of type uint32_t. It holds
* a UCS-4 encoded Unicode character that is to be converted to UTF-8. If
* val is given as a function it is executed only once.
* \param tmp is a temporary variable and should be of type uint8_t. It
* @param tmp is a temporary variable and should be of type uint8_t. It
* represents an intermediate value during conversion that is to be
* output by PUT_BYTE.
* \param PUT_BYTE writes the converted UTF-8 bytes to any proper destination.
* @param PUT_BYTE writes the converted UTF-8 bytes to any proper destination.
* It could be a function or a statement, and uses tmp as the input byte.
* For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be
* executed up to 4 times for values in the valid UTF-8 range and up to
@ -271,16 +349,16 @@ static inline av_const int av_ceil_log2_c(int x)
}\
}
/*!
* \def PUT_UTF16(val, tmp, PUT_16BIT)
/**
* @def PUT_UTF16(val, tmp, PUT_16BIT)
* Convert a 32-bit Unicode character to its UTF-16 encoded form (2 or 4 bytes).
* \param val is an input-only argument and should be of type uint32_t. It holds
* @param val is an input-only argument and should be of type uint32_t. It holds
* a UCS-4 encoded Unicode character that is to be converted to UTF-16. If
* val is given as a function it is executed only once.
* \param tmp is a temporary variable and should be of type uint16_t. It
* @param tmp is a temporary variable and should be of type uint16_t. It
* represents an intermediate value during conversion that is to be
* output by PUT_16BIT.
* \param PUT_16BIT writes the converted UTF-16 data to any proper destination
* @param PUT_16BIT writes the converted UTF-16 data to any proper destination
* in desired endianness. It could be a function or a statement, and uses tmp
* as the input byte. For example, PUT_BYTE could be "*output++ = tmp;"
* PUT_BYTE will be executed 1 or 2 times depending on input character.
@ -314,18 +392,15 @@ static inline av_const int av_ceil_log2_c(int x)
* to ensure they are immediately available in intmath.h.
*/
#ifndef av_log2
# define av_log2 av_log2_c
#endif
#ifndef av_log2_16bit
# define av_log2_16bit av_log2_16bit_c
#endif
#ifndef av_ceil_log2
# define av_ceil_log2 av_ceil_log2_c
#endif
#ifndef av_clip
# define av_clip av_clip_c
#endif
#ifndef av_clip64
# define av_clip64 av_clip64_c
#endif
#ifndef av_clip_uint8
# define av_clip_uint8 av_clip_uint8_c
#endif
@ -341,6 +416,21 @@ static inline av_const int av_ceil_log2_c(int x)
#ifndef av_clipl_int32
# define av_clipl_int32 av_clipl_int32_c
#endif
#ifndef av_clip_uintp2
# define av_clip_uintp2 av_clip_uintp2_c
#endif
#ifndef av_sat_add32
# define av_sat_add32 av_sat_add32_c
#endif
#ifndef av_sat_dadd32
# define av_sat_dadd32 av_sat_dadd32_c
#endif
#ifndef av_clipf
# define av_clipf av_clipf_c
#endif
#ifndef av_popcount
# define av_popcount av_popcount_c
#endif
#ifndef av_popcount64
# define av_popcount64 av_popcount64_c
#endif

108
branches/2.0/doubango/thirdparties/win32/include/libavutil/cpu.h Normal file
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@ -0,0 +1,108 @@
/*
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_CPU_H
#define AVUTIL_CPU_H
#include "attributes.h"
#define AV_CPU_FLAG_FORCE 0x80000000 /* force usage of selected flags (OR) */
/* lower 16 bits - CPU features */
#define AV_CPU_FLAG_MMX 0x0001 ///< standard MMX
#define AV_CPU_FLAG_MMXEXT 0x0002 ///< SSE integer functions or AMD MMX ext
#define AV_CPU_FLAG_MMX2 0x0002 ///< SSE integer functions or AMD MMX ext
#define AV_CPU_FLAG_3DNOW 0x0004 ///< AMD 3DNOW
#define AV_CPU_FLAG_SSE 0x0008 ///< SSE functions
#define AV_CPU_FLAG_SSE2 0x0010 ///< PIV SSE2 functions
#define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster
#define AV_CPU_FLAG_3DNOWEXT 0x0020 ///< AMD 3DNowExt
#define AV_CPU_FLAG_SSE3 0x0040 ///< Prescott SSE3 functions
#define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster
#define AV_CPU_FLAG_SSSE3 0x0080 ///< Conroe SSSE3 functions
#define AV_CPU_FLAG_ATOM 0x10000000 ///< Atom processor, some SSSE3 instructions are slower
#define AV_CPU_FLAG_SSE4 0x0100 ///< Penryn SSE4.1 functions
#define AV_CPU_FLAG_SSE42 0x0200 ///< Nehalem SSE4.2 functions
#define AV_CPU_FLAG_AVX 0x4000 ///< AVX functions: requires OS support even if YMM registers aren't used
#define AV_CPU_FLAG_XOP 0x0400 ///< Bulldozer XOP functions
#define AV_CPU_FLAG_FMA4 0x0800 ///< Bulldozer FMA4 functions
// #if LIBAVUTIL_VERSION_MAJOR <52
#define AV_CPU_FLAG_CMOV 0x1001000 ///< supports cmov instruction
// #else
// #define AV_CPU_FLAG_CMOV 0x1000 ///< supports cmov instruction
// #endif
#define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard
#define AV_CPU_FLAG_ARMV5TE (1 << 0)
#define AV_CPU_FLAG_ARMV6 (1 << 1)
#define AV_CPU_FLAG_ARMV6T2 (1 << 2)
#define AV_CPU_FLAG_VFP (1 << 3)
#define AV_CPU_FLAG_VFPV3 (1 << 4)
#define AV_CPU_FLAG_NEON (1 << 5)
/**
* Return the flags which specify extensions supported by the CPU.
* The returned value is affected by av_force_cpu_flags() if that was used
* before. So av_get_cpu_flags() can easily be used in a application to
* detect the enabled cpu flags.
*/
int av_get_cpu_flags(void);
/**
* Disables cpu detection and forces the specified flags.
* -1 is a special case that disables forcing of specific flags.
*/
void av_force_cpu_flags(int flags);
/**
* Set a mask on flags returned by av_get_cpu_flags().
* This function is mainly useful for testing.
* Please use av_force_cpu_flags() and av_get_cpu_flags() instead which are more flexible
*
* @warning this function is not thread safe.
*/
attribute_deprecated void av_set_cpu_flags_mask(int mask);
/**
* Parse CPU flags from a string.
*
* The returned flags contain the specified flags as well as related unspecified flags.
*
* This function exists only for compatibility with libav.
* Please use av_parse_cpu_caps() when possible.
* @return a combination of AV_CPU_* flags, negative on error.
*/
attribute_deprecated
int av_parse_cpu_flags(const char *s);
/**
* Parse CPU caps from a string and update the given AV_CPU_* flags based on that.
*
* @return negative on error.
*/
int av_parse_cpu_caps(unsigned *flags, const char *s);
/* The following CPU-specific functions shall not be called directly. */
int ff_get_cpu_flags_arm(void);
int ff_get_cpu_flags_ppc(void);
int ff_get_cpu_flags_x86(void);
#endif /* AVUTIL_CPU_H */

34
branches/2.0/doubango/thirdparties/win32/include/libavutil/crc.h
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@ -36,9 +36,39 @@ typedef enum {
AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */
}AVCRCId;
/**
* Initialize a CRC table.
* @param ctx must be an array of size sizeof(AVCRC)*257 or sizeof(AVCRC)*1024
* @param le If 1, the lowest bit represents the coefficient for the highest
* exponent of the corresponding polynomial (both for poly and
* actual CRC).
* If 0, you must swap the CRC parameter and the result of av_crc
* if you need the standard representation (can be simplified in
* most cases to e.g. bswap16):
* av_bswap32(crc << (32-bits))
* @param bits number of bits for the CRC
* @param poly generator polynomial without the x**bits coefficient, in the
* representation as specified by le
* @param ctx_size size of ctx in bytes
* @return <0 on failure
*/
int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
/**
* Get an initialized standard CRC table.
* @param crc_id ID of a standard CRC
* @return a pointer to the CRC table or NULL on failure
*/
const AVCRC *av_crc_get_table(AVCRCId crc_id);
uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure;
/**
* Calculate the CRC of a block.
* @param crc CRC of previous blocks if any or initial value for CRC
* @return CRC updated with the data from the given block
*
* @see av_crc_init() "le" parameter
*/
uint32_t av_crc(const AVCRC *ctx, uint32_t crc,
const uint8_t *buffer, size_t length) av_pure;
#endif /* AVUTIL_CRC_H */

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@ -0,0 +1,152 @@
/*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Public dictionary API.
* @deprecated
* AVDictionary is provided for compatibility with libav. It is both in
* implementation as well as API inefficient. It does not scale and is
* extremely slow with large dictionaries.
* It is recommended that new code uses our tree container from tree.c/h
* where applicable, which uses AVL trees to achieve O(log n) performance.
*/
#ifndef AVUTIL_DICT_H
#define AVUTIL_DICT_H
/**
* @addtogroup lavu_dict AVDictionary
* @ingroup lavu_data
*
* @brief Simple key:value store
*
* @{
* Dictionaries are used for storing key:value pairs. To create
* an AVDictionary, simply pass an address of a NULL pointer to
* av_dict_set(). NULL can be used as an empty dictionary wherever
* a pointer to an AVDictionary is required.
* Use av_dict_get() to retrieve an entry or iterate over all
* entries and finally av_dict_free() to free the dictionary
* and all its contents.
*
* @code
* AVDictionary *d = NULL; // "create" an empty dictionary
* av_dict_set(&d, "foo", "bar", 0); // add an entry
*
* char *k = av_strdup("key"); // if your strings are already allocated,
* char *v = av_strdup("value"); // you can avoid copying them like this
* av_dict_set(&d, k, v, AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL);
*
* AVDictionaryEntry *t = NULL;
* while (t = av_dict_get(d, "", t, AV_DICT_IGNORE_SUFFIX)) {
* <....> // iterate over all entries in d
* }
*
* av_dict_free(&d);
* @endcode
*
*/
#define AV_DICT_MATCH_CASE 1
#define AV_DICT_IGNORE_SUFFIX 2
#define AV_DICT_DONT_STRDUP_KEY 4 /**< Take ownership of a key that's been
allocated with av_malloc() and children. */
#define AV_DICT_DONT_STRDUP_VAL 8 /**< Take ownership of a value that's been
allocated with av_malloc() and chilren. */
#define AV_DICT_DONT_OVERWRITE 16 ///< Don't overwrite existing entries.
#define AV_DICT_APPEND 32 /**< If the entry already exists, append to it. Note that no
delimiter is added, the strings are simply concatenated. */
typedef struct AVDictionaryEntry {
char *key;
char *value;
} AVDictionaryEntry;
typedef struct AVDictionary AVDictionary;
/**
* Get a dictionary entry with matching key.
*
* @param prev Set to the previous matching element to find the next.
* If set to NULL the first matching element is returned.
* @param flags Allows case as well as suffix-insensitive comparisons.
* @return Found entry or NULL, changing key or value leads to undefined behavior.
*/
AVDictionaryEntry *
av_dict_get(AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags);
/**
* Get number of entries in dictionary.
*
* @param m dictionary
* @return number of entries in dictionary
*/
int av_dict_count(const AVDictionary *m);
/**
* Set the given entry in *pm, overwriting an existing entry.
*
* @param pm pointer to a pointer to a dictionary struct. If *pm is NULL
* a dictionary struct is allocated and put in *pm.
* @param key entry key to add to *pm (will be av_strduped depending on flags)
* @param value entry value to add to *pm (will be av_strduped depending on flags).
* Passing a NULL value will cause an existing entry to be deleted.
* @return >= 0 on success otherwise an error code <0
*/
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags);
/**
* Parse the key/value pairs list and add to a dictionary.
*
* @param key_val_sep a 0-terminated list of characters used to separate
* key from value
* @param pairs_sep a 0-terminated list of characters used to separate
* two pairs from each other
* @param flags flags to use when adding to dictionary.
* AV_DICT_DONT_STRDUP_KEY and AV_DICT_DONT_STRDUP_VAL
* are ignored since the key/value tokens will always
* be duplicated.
* @return 0 on success, negative AVERROR code on failure
*/
int av_dict_parse_string(AVDictionary **pm, const char *str,
const char *key_val_sep, const char *pairs_sep,
int flags);
/**
* Copy entries from one AVDictionary struct into another.
* @param dst pointer to a pointer to a AVDictionary struct. If *dst is NULL,
* this function will allocate a struct for you and put it in *dst
* @param src pointer to source AVDictionary struct
* @param flags flags to use when setting entries in *dst
* @note metadata is read using the AV_DICT_IGNORE_SUFFIX flag
*/
void av_dict_copy(AVDictionary **dst, AVDictionary *src, int flags);
/**
* Free all the memory allocated for an AVDictionary struct
* and all keys and values.
*/
void av_dict_free(AVDictionary **m);
/**
* @}
*/
#endif /* AVUTIL_DICT_H */

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@ -25,7 +25,14 @@
#define AVUTIL_ERROR_H
#include <errno.h>
#include "avutil.h"
#include <stddef.h>
/**
* @addtogroup lavu_error
*
* @{
*/
/* error handling */
#if EDOM > 0
@ -37,25 +44,34 @@
#define AVUNERROR(e) (e)
#endif
#if LIBAVUTIL_VERSION_MAJOR < 51
#define AVERROR_INVALIDDATA AVERROR(EINVAL) ///< Invalid data found when processing input
#define AVERROR_IO AVERROR(EIO) ///< I/O error
#define AVERROR_NOENT AVERROR(ENOENT) ///< No such file or directory
#define AVERROR_NOFMT AVERROR(EILSEQ) ///< Unknown format
#define AVERROR_NOMEM AVERROR(ENOMEM) ///< Not enough memory
#define AVERROR_NOTSUPP AVERROR(ENOSYS) ///< Operation not supported
#define AVERROR_NUMEXPECTED AVERROR(EDOM) ///< Number syntax expected in filename
#define AVERROR_UNKNOWN AVERROR(EINVAL) ///< Unknown error
#endif
#define FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d))
#define AVERROR_EOF AVERROR(EPIPE) ///< End of file
#define AVERROR_BSF_NOT_FOUND FFERRTAG(0xF8,'B','S','F') ///< Bitstream filter not found
#define AVERROR_BUG FFERRTAG( 'B','U','G','!') ///< Internal bug, also see AVERROR_BUG2
#define AVERROR_BUFFER_TOO_SMALL FFERRTAG( 'B','U','F','S') ///< Buffer too small
#define AVERROR_DECODER_NOT_FOUND FFERRTAG(0xF8,'D','E','C') ///< Decoder not found
#define AVERROR_DEMUXER_NOT_FOUND FFERRTAG(0xF8,'D','E','M') ///< Demuxer not found
#define AVERROR_ENCODER_NOT_FOUND FFERRTAG(0xF8,'E','N','C') ///< Encoder not found
#define AVERROR_EOF FFERRTAG( 'E','O','F',' ') ///< End of file
#define AVERROR_EXIT FFERRTAG( 'E','X','I','T') ///< Immediate exit was requested; the called function should not be restarted
#define AVERROR_EXTERNAL FFERRTAG( 'E','X','T',' ') ///< Generic error in an external library
#define AVERROR_FILTER_NOT_FOUND FFERRTAG(0xF8,'F','I','L') ///< Filter not found
#define AVERROR_INVALIDDATA FFERRTAG( 'I','N','D','A') ///< Invalid data found when processing input
#define AVERROR_MUXER_NOT_FOUND FFERRTAG(0xF8,'M','U','X') ///< Muxer not found
#define AVERROR_OPTION_NOT_FOUND FFERRTAG(0xF8,'O','P','T') ///< Option not found
#define AVERROR_PATCHWELCOME FFERRTAG( 'P','A','W','E') ///< Not yet implemented in FFmpeg, patches welcome
#define AVERROR_PROTOCOL_NOT_FOUND FFERRTAG(0xF8,'P','R','O') ///< Protocol not found
#define AVERROR_PATCHWELCOME (-MKTAG('P','A','W','E')) ///< Not yet implemented in FFmpeg, patches welcome
#define AVERROR_STREAM_NOT_FOUND FFERRTAG(0xF8,'S','T','R') ///< Stream not found
/**
* This is semantically identical to AVERROR_BUG
* it has been introduced in Libav after our AVERROR_BUG and with a modified value.
*/
#define AVERROR_BUG2 FFERRTAG( 'B','U','G',' ')
#define AVERROR_UNKNOWN FFERRTAG( 'U','N','K','N') ///< Unknown error, typically from an external library
#define AVERROR_EXPERIMENTAL (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.
#if LIBAVUTIL_VERSION_MAJOR > 50
#define AVERROR_INVALIDDATA (-MKTAG('I','N','D','A')) ///< Invalid data found when processing input
#define AVERROR_NUMEXPECTED (-MKTAG('N','U','E','X')) ///< Number syntax expected in filename
#endif
#define AV_ERROR_MAX_STRING_SIZE 64
/**
* Put a description of the AVERROR code errnum in errbuf.
@ -71,4 +87,31 @@
*/
int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
/**
* Fill the provided buffer with a string containing an error string
* corresponding to the AVERROR code errnum.
*
* @param errbuf a buffer
* @param errbuf_size size in bytes of errbuf
* @param errnum error code to describe
* @return the buffer in input, filled with the error description
* @see av_strerror()
*/
static inline char *av_make_error_string(char *errbuf, size_t errbuf_size, int errnum)
{
av_strerror(errnum, errbuf, errbuf_size);
return errbuf;
}
/**
* Convenience macro, the return value should be used only directly in
* function arguments but never stand-alone.
*/
#define av_err2str(errnum) \
av_make_error_string((char[AV_ERROR_MAX_STRING_SIZE]){0}, AV_ERROR_MAX_STRING_SIZE, errnum)
/**
* @}
*/
#endif /* AVUTIL_ERROR_H */

20
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@ -26,11 +26,13 @@
#ifndef AVUTIL_EVAL_H
#define AVUTIL_EVAL_H
#include "avutil.h"
typedef struct AVExpr AVExpr;
/**
* Parse and evaluate an expression.
* Note, this is significantly slower than av_eval_expr().
* Note, this is significantly slower than av_expr_eval().
*
* @param res a pointer to a double where is put the result value of
* the expression, or NAN in case of error
@ -46,7 +48,7 @@ typedef struct AVExpr AVExpr;
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
*/
int av_parse_and_eval_expr(double *res, const char *s,
int av_expr_parse_and_eval(double *res, const char *s,
const char * const *const_names, const double *const_values,
const char * const *func1_names, double (* const *funcs1)(void *, double),
const char * const *func2_names, double (* const *funcs2)(void *, double, double),
@ -56,8 +58,8 @@ int av_parse_and_eval_expr(double *res, const char *s,
* Parse an expression.
*
* @param expr a pointer where is put an AVExpr containing the parsed
* value in case of successfull parsing, or NULL otherwise.
* The pointed to AVExpr must be freed with av_free_expr() by the user
* value in case of successful parsing, or NULL otherwise.
* The pointed to AVExpr must be freed with av_expr_free() by the user
* when it is not needed anymore.
* @param s expression as a zero terminated string, for example "1+2^3+5*5+sin(2/3)"
* @param const_names NULL terminated array of zero terminated strings of constant identifiers, for example {"PI", "E", 0}
@ -69,7 +71,7 @@ int av_parse_and_eval_expr(double *res, const char *s,
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
*/
int av_parse_expr(AVExpr **expr, const char *s,
int av_expr_parse(AVExpr **expr, const char *s,
const char * const *const_names,
const char * const *func1_names, double (* const *funcs1)(void *, double),
const char * const *func2_names, double (* const *funcs2)(void *, double, double),
@ -78,16 +80,16 @@ int av_parse_expr(AVExpr **expr, const char *s,
/**
* Evaluate a previously parsed expression.
*
* @param const_values a zero terminated array of values for the identifiers from av_parse_expr() const_names
* @param const_values a zero terminated array of values for the identifiers from av_expr_parse() const_names
* @param opaque a pointer which will be passed to all functions from funcs1 and funcs2
* @return the value of the expression
*/
double av_eval_expr(AVExpr *e, const double *const_values, void *opaque);
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque);
/**
* Free a parsed expression previously created with av_parse_expr().
* Free a parsed expression previously created with av_expr_parse().
*/
void av_free_expr(AVExpr *e);
void av_expr_free(AVExpr *e);
/**
* Parse the string in numstr and return its value as a double. If

58
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@ -25,6 +25,8 @@
#define AVUTIL_FIFO_H
#include <stdint.h>
#include "avutil.h"
#include "attributes.h"
typedef struct AVFifoBuffer {
uint8_t *buffer;
@ -41,20 +43,20 @@ AVFifoBuffer *av_fifo_alloc(unsigned int size);
/**
* Free an AVFifoBuffer.
* @param *f AVFifoBuffer to free
* @param f AVFifoBuffer to free
*/
void av_fifo_free(AVFifoBuffer *f);
/**
* Reset the AVFifoBuffer to the state right after av_fifo_alloc, in particular it is emptied.
* @param *f AVFifoBuffer to reset
* @param f AVFifoBuffer to reset
*/
void av_fifo_reset(AVFifoBuffer *f);
/**
* Return the amount of data in bytes in the AVFifoBuffer, that is the
* amount of data you can read from it.
* @param *f AVFifoBuffer to read from
* @param f AVFifoBuffer to read from
* @return size
*/
int av_fifo_size(AVFifoBuffer *f);
@ -62,27 +64,27 @@ int av_fifo_size(AVFifoBuffer *f);
/**
* Return the amount of space in bytes in the AVFifoBuffer, that is the
* amount of data you can write into it.
* @param *f AVFifoBuffer to write into
* @param f AVFifoBuffer to write into
* @return size
*/
int av_fifo_space(AVFifoBuffer *f);
/**
* Feed data from an AVFifoBuffer to a user-supplied callback.
* @param *f AVFifoBuffer to read from
* @param f AVFifoBuffer to read from
* @param buf_size number of bytes to read
* @param *func generic read function
* @param *dest data destination
* @param func generic read function
* @param dest data destination
*/
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int));
/**
* Feed data from a user-supplied callback to an AVFifoBuffer.
* @param *f AVFifoBuffer to write to
* @param *src data source; non-const since it may be used as a
* @param f AVFifoBuffer to write to
* @param src data source; non-const since it may be used as a
* modifiable context by the function defined in func
* @param size number of bytes to write
* @param *func generic write function; the first parameter is src,
* @param func generic write function; the first parameter is src,
* the second is dest_buf, the third is dest_buf_size.
* func must return the number of bytes written to dest_buf, or <= 0 to
* indicate no more data available to write.
@ -93,24 +95,50 @@ int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void
/**
* Resize an AVFifoBuffer.
* @param *f AVFifoBuffer to resize
* In case of reallocation failure, the old FIFO is kept unchanged.
*
* @param f AVFifoBuffer to resize
* @param size new AVFifoBuffer size in bytes
* @return <0 for failure, >=0 otherwise
*/
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int size);
/**
* Enlarge an AVFifoBuffer.
* In case of reallocation failure, the old FIFO is kept unchanged.
* The new fifo size may be larger than the requested size.
*
* @param f AVFifoBuffer to resize
* @param additional_space the amount of space in bytes to allocate in addition to av_fifo_size()
* @return <0 for failure, >=0 otherwise
*/
int av_fifo_grow(AVFifoBuffer *f, unsigned int additional_space);
/**
* Read and discard the specified amount of data from an AVFifoBuffer.
* @param *f AVFifoBuffer to read from
* @param f AVFifoBuffer to read from
* @param size amount of data to read in bytes
*/
void av_fifo_drain(AVFifoBuffer *f, int size);
static inline uint8_t av_fifo_peek(AVFifoBuffer *f, int offs)
/**
* Return a pointer to the data stored in a FIFO buffer at a certain offset.
* The FIFO buffer is not modified.
*
* @param f AVFifoBuffer to peek at, f must be non-NULL
* @param offs an offset in bytes, its absolute value must be less
* than the used buffer size or the returned pointer will
* point outside to the buffer data.
* The used buffer size can be checked with av_fifo_size().
*/
static inline uint8_t *av_fifo_peek2(const AVFifoBuffer *f, int offs)
{
uint8_t *ptr = f->rptr + offs;
if (ptr >= f->end)
ptr -= f->end - f->buffer;
return *ptr;
ptr = f->buffer + (ptr - f->end);
else if (ptr < f->buffer)
ptr = f->end - (f->buffer - ptr);
return ptr;
}
#endif /* AVUTIL_FIFO_H */

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@ -0,0 +1,66 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_FILE_H
#define AVUTIL_FILE_H
#include <stdint.h>
#include "avutil.h"
/**
* @file
* Misc file utilities.
*/
/**
* Read the file with name filename, and put its content in a newly
* allocated buffer or map it with mmap() when available.
* In case of success set *bufptr to the read or mmapped buffer, and
* *size to the size in bytes of the buffer in *bufptr.
* The returned buffer must be released with av_file_unmap().
*
* @param log_offset loglevel offset used for logging
* @param log_ctx context used for logging
* @return a non negative number in case of success, a negative value
* corresponding to an AVERROR error code in case of failure
*/
int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
int log_offset, void *log_ctx);
/**
* Unmap or free the buffer bufptr created by av_file_map().
*
* @param size size in bytes of bufptr, must be the same as returned
* by av_file_map()
*/
void av_file_unmap(uint8_t *bufptr, size_t size);
/**
* Wrapper to work around the lack of mkstemp() on mingw.
* Also, tries to create file in /tmp first, if possible.
* *prefix can be a character constant; *filename will be allocated internally.
* @return file descriptor of opened file (or -1 on error)
* and opened file name in **filename.
* @note On very old libcs it is necessary to set a secure umask before
* calling this, av_tempfile() cant call umask itself as it is used in
* libraries and could interfere with the calling application.
*/
int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx);
#endif /* AVUTIL_FILE_H */

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@ -0,0 +1,95 @@
/*
* Copyright (C) 2012 Martin Storsjo
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HMAC_H
#define AVUTIL_HMAC_H
#include <stdint.h>
/**
* @defgroup lavu_hmac HMAC
* @ingroup lavu_crypto
* @{
*/
enum AVHMACType {
AV_HMAC_MD5,
AV_HMAC_SHA1,
};
typedef struct AVHMAC AVHMAC;
/**
* Allocate an AVHMAC context.
* @param type The hash function used for the HMAC.
*/
AVHMAC *av_hmac_alloc(enum AVHMACType type);
/**
* Free an AVHMAC context.
* @param ctx The context to free, may be NULL
*/
void av_hmac_free(AVHMAC *ctx);
/**
* Initialize an AVHMAC context with an authentication key.
* @param ctx The HMAC context
* @param key The authentication key
* @param keylen The length of the key, in bytes
*/
void av_hmac_init(AVHMAC *ctx, const uint8_t *key, unsigned int keylen);
/**
* Hash data with the HMAC.
* @param ctx The HMAC context
* @param data The data to hash
* @param len The length of the data, in bytes
*/
void av_hmac_update(AVHMAC *ctx, const uint8_t *data, unsigned int len);
/**
* Finish hashing and output the HMAC digest.
* @param ctx The HMAC context
* @param out The output buffer to write the digest into
* @param outlen The length of the out buffer, in bytes
* @return The number of bytes written to out, or a negative error code.
*/
int av_hmac_final(AVHMAC *ctx, uint8_t *out, unsigned int outlen);
/**
* Hash an array of data with a key.
* @param ctx The HMAC context
* @param data The data to hash
* @param len The length of the data, in bytes
* @param key The authentication key
* @param keylen The length of the key, in bytes
* @param out The output buffer to write the digest into
* @param outlen The length of the out buffer, in bytes
* @return The number of bytes written to out, or a negative error code.
*/
int av_hmac_calc(AVHMAC *ctx, const uint8_t *data, unsigned int len,
const uint8_t *key, unsigned int keylen,
uint8_t *out, unsigned int outlen);
/**
* @}
*/
#endif /* AVUTIL_HMAC_H */

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@ -0,0 +1,200 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_IMGUTILS_H
#define AVUTIL_IMGUTILS_H
/**
* @file
* misc image utilities
*
* @addtogroup lavu_picture
* @{
*/
#include "avutil.h"
#include "pixdesc.h"
/**
* Compute the max pixel step for each plane of an image with a
* format described by pixdesc.
*
* The pixel step is the distance in bytes between the first byte of
* the group of bytes which describe a pixel component and the first
* byte of the successive group in the same plane for the same
* component.
*
* @param max_pixsteps an array which is filled with the max pixel step
* for each plane. Since a plane may contain different pixel
* components, the computed max_pixsteps[plane] is relative to the
* component in the plane with the max pixel step.
* @param max_pixstep_comps an array which is filled with the component
* for each plane which has the max pixel step. May be NULL.
*/
void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
const AVPixFmtDescriptor *pixdesc);
/**
* Compute the size of an image line with format pix_fmt and width
* width for the plane plane.
*
* @return the computed size in bytes
*/
int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane);
/**
* Fill plane linesizes for an image with pixel format pix_fmt and
* width width.
*
* @param linesizes array to be filled with the linesize for each plane
* @return >= 0 in case of success, a negative error code otherwise
*/
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width);
/**
* Fill plane data pointers for an image with pixel format pix_fmt and
* height height.
*
* @param data pointers array to be filled with the pointer for each image plane
* @param ptr the pointer to a buffer which will contain the image
* @param linesizes the array containing the linesize for each
* plane, should be filled by av_image_fill_linesizes()
* @return the size in bytes required for the image buffer, a negative
* error code in case of failure
*/
int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int height,
uint8_t *ptr, const int linesizes[4]);
/**
* Allocate an image with size w and h and pixel format pix_fmt, and
* fill pointers and linesizes accordingly.
* The allocated image buffer has to be freed by using
* av_freep(&pointers[0]).
*
* @param align the value to use for buffer size alignment
* @return the size in bytes required for the image buffer, a negative
* error code in case of failure
*/
int av_image_alloc(uint8_t *pointers[4], int linesizes[4],
int w, int h, enum AVPixelFormat pix_fmt, int align);
/**
* Copy image plane from src to dst.
* That is, copy "height" number of lines of "bytewidth" bytes each.
* The first byte of each successive line is separated by *_linesize
* bytes.
*
* bytewidth must be contained by both absolute values of dst_linesize
* and src_linesize, otherwise the function behavior is undefined.
*
* @param dst_linesize linesize for the image plane in dst
* @param src_linesize linesize for the image plane in src
*/
void av_image_copy_plane(uint8_t *dst, int dst_linesize,
const uint8_t *src, int src_linesize,
int bytewidth, int height);
/**
* Copy image in src_data to dst_data.
*
* @param dst_linesizes linesizes for the image in dst_data
* @param src_linesizes linesizes for the image in src_data
*/
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
const uint8_t *src_data[4], const int src_linesizes[4],
enum AVPixelFormat pix_fmt, int width, int height);
/**
* Setup the data pointers and linesizes based on the specified image
* parameters and the provided array.
*
* The fields of the given image are filled in by using the src
* address which points to the image data buffer. Depending on the
* specified pixel format, one or multiple image data pointers and
* line sizes will be set. If a planar format is specified, several
* pointers will be set pointing to the different picture planes and
* the line sizes of the different planes will be stored in the
* lines_sizes array. Call with src == NULL to get the required
* size for the src buffer.
*
* To allocate the buffer and fill in the dst_data and dst_linesize in
* one call, use av_image_alloc().
*
* @param dst_data data pointers to be filled in
* @param dst_linesizes linesizes for the image in dst_data to be filled in
* @param src buffer which will contain or contains the actual image data, can be NULL
* @param pix_fmt the pixel format of the image
* @param width the width of the image in pixels
* @param height the height of the image in pixels
* @param align the value used in src for linesize alignment
* @return the size in bytes required for src, a negative error code
* in case of failure
*/
int av_image_fill_arrays(uint8_t *dst_data[4], int dst_linesize[4],
const uint8_t *src,
enum AVPixelFormat pix_fmt, int width, int height, int align);
/**
* Return the size in bytes of the amount of data required to store an
* image with the given parameters.
*
* @param[in] align the assumed linesize alignment
*/
int av_image_get_buffer_size(enum AVPixelFormat pix_fmt, int width, int height, int align);
/**
* Copy image data from an image into a buffer.
*
* av_image_get_buffer_size() can be used to compute the required size
* for the buffer to fill.
*
* @param dst a buffer into which picture data will be copied
* @param dst_size the size in bytes of dst
* @param src_data pointers containing the source image data
* @param src_linesizes linesizes for the image in src_data
* @param pix_fmt the pixel format of the source image
* @param width the width of the source image in pixels
* @param height the height of the source image in pixels
* @param align the assumed linesize alignment for dst
* @return the number of bytes written to dst, or a negative value
* (error code) on error
*/
int av_image_copy_to_buffer(uint8_t *dst, int dst_size,
const uint8_t * const src_data[4], const int src_linesize[4],
enum AVPixelFormat pix_fmt, int width, int height, int align);
/**
* Check if the given dimension of an image is valid, meaning that all
* bytes of the image can be addressed with a signed int.
*
* @param w the width of the picture
* @param h the height of the picture
* @param log_offset the offset to sum to the log level for logging with log_ctx
* @param log_ctx the parent logging context, it may be NULL
* @return >= 0 if valid, a negative error code otherwise
*/
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
int avpriv_set_systematic_pal2(uint32_t pal[256], enum AVPixelFormat pix_fmt);
/**
* @}
*/
#endif /* AVUTIL_IMGUTILS_H */

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branches/2.0/doubango/thirdparties/win32/include/libavutil/intfloat.h Normal file
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@ -0,0 +1,77 @@
/*
* Copyright (c) 2011 Mans Rullgard
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_INTFLOAT_H
#define AVUTIL_INTFLOAT_H
#include <stdint.h>
#include "attributes.h"
union av_intfloat32 {
uint32_t i;
float f;
};
union av_intfloat64 {
uint64_t i;
double f;
};
/**
* Reinterpret a 32-bit integer as a float.
*/
static av_always_inline float av_int2float(uint32_t i)
{
union av_intfloat32 v;
v.i = i;
return v.f;
}
/**
* Reinterpret a float as a 32-bit integer.
*/
static av_always_inline uint32_t av_float2int(float f)
{
union av_intfloat32 v;
v.f = f;
return v.i;
}
/**
* Reinterpret a 64-bit integer as a double.
*/
static av_always_inline double av_int2double(uint64_t i)
{
union av_intfloat64 v;
v.i = i;
return v.f;
}
/**
* Reinterpret a double as a 64-bit integer.
*/
static av_always_inline uint64_t av_double2int(double f)
{
union av_intfloat64 v;
v.f = f;
return v.i;
}
#endif /* AVUTIL_INTFLOAT_H */

12
branches/2.0/doubango/thirdparties/win32/include/libavutil/intfloat_readwrite.h
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@ -30,11 +30,11 @@ typedef struct AVExtFloat {
uint8_t mantissa[8];
} AVExtFloat;
double av_int2dbl(int64_t v) av_const;
float av_int2flt(int32_t v) av_const;
double av_ext2dbl(const AVExtFloat ext) av_const;
int64_t av_dbl2int(double d) av_const;
int32_t av_flt2int(float d) av_const;
AVExtFloat av_dbl2ext(double d) av_const;
attribute_deprecated double av_int2dbl(int64_t v) av_const;
attribute_deprecated float av_int2flt(int32_t v) av_const;
attribute_deprecated double av_ext2dbl(const AVExtFloat ext) av_const;
attribute_deprecated int64_t av_dbl2int(double d) av_const;
attribute_deprecated int32_t av_flt2int(float d) av_const;
attribute_deprecated AVExtFloat av_dbl2ext(double d) av_const;
#endif /* AVUTIL_INTFLOAT_READWRITE_H */

117
branches/2.0/doubango/thirdparties/win32/include/libavutil/intreadwrite.h
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@ -47,7 +47,7 @@ typedef union {
/*
* Arch-specific headers can provide any combination of
* AV_[RW][BLN](16|24|32|64) and AV_(COPY|SWAP|ZERO)(64|128) macros.
* AV_[RW][BLN](16|24|32|48|64) and AV_(COPY|SWAP|ZERO)(64|128) macros.
* Preprocessor symbols must be defined, even if these are implemented
* as inline functions.
*/
@ -114,6 +114,18 @@ typedef union {
# define AV_WN32(p, v) AV_WB32(p, v)
# endif
# if defined(AV_RN48) && !defined(AV_RB48)
# define AV_RB48(p) AV_RN48(p)
# elif !defined(AV_RN48) && defined(AV_RB48)
# define AV_RN48(p) AV_RB48(p)
# endif
# if defined(AV_WN48) && !defined(AV_WB48)
# define AV_WB48(p, v) AV_WN48(p, v)
# elif !defined(AV_WN48) && defined(AV_WB48)
# define AV_WN48(p, v) AV_WB48(p, v)
# endif
# if defined(AV_RN64) && !defined(AV_RB64)
# define AV_RB64(p) AV_RN64(p)
# elif !defined(AV_RN64) && defined(AV_RB64)
@ -164,6 +176,18 @@ typedef union {
# define AV_WN32(p, v) AV_WL32(p, v)
# endif
# if defined(AV_RN48) && !defined(AV_RL48)
# define AV_RL48(p) AV_RN48(p)
# elif !defined(AV_RN48) && defined(AV_RL48)
# define AV_RN48(p) AV_RL48(p)
# endif
# if defined(AV_WN48) && !defined(AV_WL48)
# define AV_WL48(p, v) AV_WN48(p, v)
# elif !defined(AV_WN48) && defined(AV_WL48)
# define AV_WN48(p, v) AV_WL48(p, v)
# endif
# if defined(AV_RN64) && !defined(AV_RL64)
# define AV_RL64(p) AV_RN64(p)
# elif !defined(AV_RN64) && defined(AV_RL64)
@ -210,7 +234,8 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
((const uint8_t*)(x))[1])
#endif
#ifndef AV_WB16
# define AV_WB16(p, d) do { \
# define AV_WB16(p, darg) do { \
unsigned d = (darg); \
((uint8_t*)(p))[1] = (d); \
((uint8_t*)(p))[0] = (d)>>8; \
} while(0)
@ -222,7 +247,8 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
((const uint8_t*)(x))[0])
#endif
#ifndef AV_WL16
# define AV_WL16(p, d) do { \
# define AV_WL16(p, darg) do { \
unsigned d = (darg); \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
} while(0)
@ -230,13 +256,14 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
#ifndef AV_RB32
# define AV_RB32(x) \
((((const uint8_t*)(x))[0] << 24) | \
(((uint32_t)((const uint8_t*)(x))[0] << 24) | \
(((const uint8_t*)(x))[1] << 16) | \
(((const uint8_t*)(x))[2] << 8) | \
((const uint8_t*)(x))[3])
#endif
#ifndef AV_WB32
# define AV_WB32(p, d) do { \
# define AV_WB32(p, darg) do { \
unsigned d = (darg); \
((uint8_t*)(p))[3] = (d); \
((uint8_t*)(p))[2] = (d)>>8; \
((uint8_t*)(p))[1] = (d)>>16; \
@ -246,13 +273,14 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
#ifndef AV_RL32
# define AV_RL32(x) \
((((const uint8_t*)(x))[3] << 24) | \
(((uint32_t)((const uint8_t*)(x))[3] << 24) | \
(((const uint8_t*)(x))[2] << 16) | \
(((const uint8_t*)(x))[1] << 8) | \
((const uint8_t*)(x))[0])
#endif
#ifndef AV_WL32
# define AV_WL32(p, d) do { \
# define AV_WL32(p, darg) do { \
unsigned d = (darg); \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[2] = (d)>>16; \
@ -272,7 +300,8 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
(uint64_t)((const uint8_t*)(x))[7])
#endif
#ifndef AV_WB64
# define AV_WB64(p, d) do { \
# define AV_WB64(p, darg) do { \
uint64_t d = (darg); \
((uint8_t*)(p))[7] = (d); \
((uint8_t*)(p))[6] = (d)>>8; \
((uint8_t*)(p))[5] = (d)>>16; \
@ -296,7 +325,8 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
(uint64_t)((const uint8_t*)(x))[0])
#endif
#ifndef AV_WL64
# define AV_WL64(p, d) do { \
# define AV_WL64(p, darg) do { \
uint64_t d = (darg); \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[2] = (d)>>16; \
@ -430,6 +460,48 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
} while(0)
#endif
#ifndef AV_RB48
# define AV_RB48(x) \
(((uint64_t)((const uint8_t*)(x))[0] << 40) | \
((uint64_t)((const uint8_t*)(x))[1] << 32) | \
((uint64_t)((const uint8_t*)(x))[2] << 24) | \
((uint64_t)((const uint8_t*)(x))[3] << 16) | \
((uint64_t)((const uint8_t*)(x))[4] << 8) | \
(uint64_t)((const uint8_t*)(x))[5])
#endif
#ifndef AV_WB48
# define AV_WB48(p, darg) do { \
uint64_t d = (darg); \
((uint8_t*)(p))[5] = (d); \
((uint8_t*)(p))[4] = (d)>>8; \
((uint8_t*)(p))[3] = (d)>>16; \
((uint8_t*)(p))[2] = (d)>>24; \
((uint8_t*)(p))[1] = (d)>>32; \
((uint8_t*)(p))[0] = (d)>>40; \
} while(0)
#endif
#ifndef AV_RL48
# define AV_RL48(x) \
(((uint64_t)((const uint8_t*)(x))[5] << 40) | \
((uint64_t)((const uint8_t*)(x))[4] << 32) | \
((uint64_t)((const uint8_t*)(x))[3] << 24) | \
((uint64_t)((const uint8_t*)(x))[2] << 16) | \
((uint64_t)((const uint8_t*)(x))[1] << 8) | \
(uint64_t)((const uint8_t*)(x))[0])
#endif
#ifndef AV_WL48
# define AV_WL48(p, darg) do { \
uint64_t d = (darg); \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[2] = (d)>>16; \
((uint8_t*)(p))[3] = (d)>>24; \
((uint8_t*)(p))[4] = (d)>>32; \
((uint8_t*)(p))[5] = (d)>>40; \
} while(0)
#endif
/*
* The AV_[RW]NA macros access naturally aligned data
* in a type-safe way.
@ -462,6 +534,33 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
# define AV_WN64A(p, v) AV_WNA(64, p, v)
#endif
/*
* The AV_COPYxxU macros are suitable for copying data to/from unaligned
* memory locations.
*/
#define AV_COPYU(n, d, s) AV_WN##n(d, AV_RN##n(s));
#ifndef AV_COPY16U
# define AV_COPY16U(d, s) AV_COPYU(16, d, s)
#endif
#ifndef AV_COPY32U
# define AV_COPY32U(d, s) AV_COPYU(32, d, s)
#endif
#ifndef AV_COPY64U
# define AV_COPY64U(d, s) AV_COPYU(64, d, s)
#endif
#ifndef AV_COPY128U
# define AV_COPY128U(d, s) \
do { \
AV_COPY64U(d, s); \
AV_COPY64U((char *)(d) + 8, (const char *)(s) + 8); \
} while(0)
#endif
/* Parameters for AV_COPY*, AV_SWAP*, AV_ZERO* must be
* naturally aligned. They may be implemented using MMX,
* so emms_c() must be called before using any float code

4
branches/2.0/doubango/thirdparties/win32/include/libavutil/lfg.h
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@ -22,7 +22,7 @@
#ifndef AVUTIL_LFG_H
#define AVUTIL_LFG_H
typedef struct {
typedef struct AVLFG {
unsigned int state[64];
int index;
} AVLFG;
@ -55,7 +55,7 @@ static inline unsigned int av_mlfg_get(AVLFG *c){
* Get the next two numbers generated by a Box-Muller Gaussian
* generator using the random numbers issued by lfg.
*
* @param out[2] array where the two generated numbers are placed
* @param out array where the two generated numbers are placed
*/
void av_bmg_get(AVLFG *lfg, double out[2]);

104
branches/2.0/doubango/thirdparties/win32/include/libavutil/log.h
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@ -23,13 +23,31 @@
#include <stdarg.h>
#include "avutil.h"
#include "attributes.h"
typedef enum {
AV_CLASS_CATEGORY_NA = 0,
AV_CLASS_CATEGORY_INPUT,
AV_CLASS_CATEGORY_OUTPUT,
AV_CLASS_CATEGORY_MUXER,
AV_CLASS_CATEGORY_DEMUXER,
AV_CLASS_CATEGORY_ENCODER,
AV_CLASS_CATEGORY_DECODER,
AV_CLASS_CATEGORY_FILTER,
AV_CLASS_CATEGORY_BITSTREAM_FILTER,
AV_CLASS_CATEGORY_SWSCALER,
AV_CLASS_CATEGORY_SWRESAMPLER,
AV_CLASS_CATEGORY_NB, ///< not part of ABI/API
}AVClassCategory;
struct AVOptionRanges;
/**
* Describe the class of an AVClass context structure. That is an
* arbitrary struct of which the first field is a pointer to an
* AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).
*/
typedef struct {
typedef struct AVClass {
/**
* The name of the class; usually it is the same name as the
* context structure type to which the AVClass is associated.
@ -64,12 +82,47 @@ typedef struct {
int log_level_offset_offset;
/**
* Offset in the structure where a pointer to the parent context for loging is stored.
* for example a decoder that uses eval.c could pass its AVCodecContext to eval as such
* parent context. And a av_log() implementation could then display the parent context
* can be NULL of course
* Offset in the structure where a pointer to the parent context for
* logging is stored. For example a decoder could pass its AVCodecContext
* to eval as such a parent context, which an av_log() implementation
* could then leverage to display the parent context.
* The offset can be NULL.
*/
int parent_log_context_offset;
/**
* Return next AVOptions-enabled child or NULL
*/
void* (*child_next)(void *obj, void *prev);
/**
* Return an AVClass corresponding to the next potential
* AVOptions-enabled child.
*
* The difference between child_next and this is that
* child_next iterates over _already existing_ objects, while
* child_class_next iterates over _all possible_ children.
*/
const struct AVClass* (*child_class_next)(const struct AVClass *prev);
/**
* Category used for visualization (like color)
* This is only set if the category is equal for all objects using this class.
* available since version (51 << 16 | 56 << 8 | 100)
*/
AVClassCategory category;
/**
* Callback to return the category.
* available since version (51 << 16 | 59 << 8 | 100)
*/
AVClassCategory (*get_category)(void* ctx);
/**
* Callback to return the supported/allowed ranges.
* available since version (52.12)
*/
int (*query_ranges)(struct AVOptionRanges **, void *obj, const char *key, int flags);
} AVClass;
/* av_log API */
@ -108,6 +161,8 @@ typedef struct {
*/
#define AV_LOG_DEBUG 48
#define AV_LOG_MAX_OFFSET (AV_LOG_DEBUG - AV_LOG_QUIET)
/**
* Send the specified message to the log if the level is less than or equal
* to the current av_log_level. By default, all logging messages are sent to
@ -122,11 +177,7 @@ typedef struct {
* subsequent arguments are converted to output.
* @see av_vlog
*/
#ifdef __GNUC__
void av_log(void *avcl, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
#else
void av_log(void *avcl, int level, const char *fmt, ...);
#endif
void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4);
void av_vlog(void *avcl, int level, const char *fmt, va_list);
int av_log_get_level(void);
@ -134,5 +185,38 @@ void av_log_set_level(int);
void av_log_set_callback(void (*)(void*, int, const char*, va_list));
void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
const char* av_default_item_name(void* ctx);
AVClassCategory av_default_get_category(void *ptr);
/**
* Format a line of log the same way as the default callback.
* @param line buffer to receive the formated line
* @param line_size size of the buffer
* @param print_prefix used to store whether the prefix must be printed;
* must point to a persistent integer initially set to 1
*/
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
char *line, int line_size, int *print_prefix);
/**
* av_dlog macros
* Useful to print debug messages that shouldn't get compiled in normally.
*/
#ifdef DEBUG
# define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)
#else
# define av_dlog(pctx, ...) do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)
#endif
/**
* Skip repeated messages, this requires the user app to use av_log() instead of
* (f)printf as the 2 would otherwise interfere and lead to
* "Last message repeated x times" messages below (f)printf messages with some
* bad luck.
* Also to receive the last, "last repeated" line if any, the user app must
* call av_log(NULL, AV_LOG_QUIET, "%s", ""); at the end
*/
#define AV_LOG_SKIP_REPEATED 1
void av_log_set_flags(int arg);
#endif /* AVUTIL_LOG_H */

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@ -1,5 +1,5 @@
/*
* copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
* copyright (c) 2005-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
@ -25,6 +25,7 @@
#include <math.h>
#include "attributes.h"
#include "rational.h"
#include "intfloat.h"
#ifndef M_E
#define M_E 2.7182818284590452354 /* e */
@ -51,18 +52,25 @@
#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
#endif
#ifndef NAN
#define NAN (0.0/0.0)
#define NAN av_int2float(0x7fc00000)
#endif
#ifndef INFINITY
#define INFINITY (1.0/0.0)
#define INFINITY av_int2float(0x7f800000)
#endif
/**
* @addtogroup lavu_math
* @{
*/
enum AVRounding {
AV_ROUND_ZERO = 0, ///< Round toward zero.
AV_ROUND_INF = 1, ///< Round away from zero.
AV_ROUND_DOWN = 2, ///< Round toward -infinity.
AV_ROUND_UP = 3, ///< Round toward +infinity.
AV_ROUND_NEAR_INF = 5, ///< Round to nearest and halfway cases away from zero.
AV_ROUND_PASS_MINMAX = 8192, ///< Flag to pass INT64_MIN/MAX through instead of rescaling, this avoids special cases for AV_NOPTS_VALUE
};
/**
@ -81,6 +89,9 @@ int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const;
/**
* Rescale a 64-bit integer with specified rounding.
* A simple a*b/c isn't possible as it can overflow.
*
* @return rescaled value a, or if AV_ROUND_PASS_MINMAX is set and a is
* INT64_MIN or INT64_MAX then a is passed through unchanged.
*/
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_const;
@ -89,6 +100,15 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_cons
*/
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
/**
* Rescale a 64-bit integer by 2 rational numbers with specified rounding.
*
* @return rescaled value a, or if AV_ROUND_PASS_MINMAX is set and a is
* INT64_MIN or INT64_MAX then a is passed through unchanged.
*/
int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq,
enum AVRounding) av_const;
/**
* Compare 2 timestamps each in its own timebases.
* The result of the function is undefined if one of the timestamps
@ -109,4 +129,19 @@ int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b);
*/
int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod);
/**
* Rescale a timestamp while preserving known durations.
*
* @param in_ts Input timestamp
* @param in_tb Input timesbase
* @param fs_tb Duration and *last timebase
* @param duration duration till the next call
* @param out_tb Output timesbase
*/
int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t *last, AVRational out_tb);
/**
* @}
*/
#endif /* AVUTIL_MATHEMATICS_H */

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@ -23,14 +23,27 @@
#include <stdint.h>
#include "attributes.h"
#include "version.h"
/**
* @defgroup lavu_md5 MD5
* @ingroup lavu_crypto
* @{
*/
extern const int av_md5_size;
struct AVMD5;
struct AVMD5 *av_md5_alloc(void);
void av_md5_init(struct AVMD5 *ctx);
void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
#endif /* AVUTIL_MD5_H */
/**
* @}
*/
#endif /* AVUTIL_MD5_H */

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@ -26,10 +26,20 @@
#ifndef AVUTIL_MEM_H
#define AVUTIL_MEM_H
#include <limits.h>
#include <stdint.h>
#include "attributes.h"
#include "error.h"
#include "avutil.h"
#if defined(__ICC) && _ICC < 1200 || defined(__SUNPRO_C)
/**
* @addtogroup lavu_mem
* @{
*/
#if defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1110 || defined(__SUNPRO_C)
#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
#define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v
#elif defined(__TI_COMPILER_VERSION__)
@ -41,7 +51,7 @@
static const t __attribute__((aligned(n))) v
#elif defined(__GNUC__)
#define DECLARE_ALIGNED(n,t,v) t __attribute__ ((aligned (n))) v
#define DECLARE_ASM_CONST(n,t,v) static const t attribute_used __attribute__ ((aligned (n))) v
#define DECLARE_ASM_CONST(n,t,v) static const t av_used __attribute__ ((aligned (n))) v
#elif defined(_MSC_VER)
#define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v
#define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v
@ -56,10 +66,10 @@
#define av_malloc_attrib
#endif
#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,3)
#define av_alloc_size(n) __attribute__((alloc_size(n)))
#if AV_GCC_VERSION_AT_LEAST(4,3)
#define av_alloc_size(...) __attribute__((alloc_size(__VA_ARGS__)))
#else
#define av_alloc_size(n)
#define av_alloc_size(...)
#endif
/**
@ -70,21 +80,47 @@
* be allocated.
* @see av_mallocz()
*/
void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1);
void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
/**
* Helper function to allocate a block of size * nmemb bytes with
* using av_malloc()
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @see av_malloc()
*/
av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t size)
{
if (size <= 0 || nmemb >= INT_MAX / size)
return NULL;
return av_malloc(nmemb * size);
}
/**
* Allocate or reallocate a block of memory.
* If ptr is NULL and size > 0, allocate a new block. If
* size is zero, free the memory block pointed to by ptr.
* @param size Size in bytes for the memory block to be allocated or
* reallocated.
* @param ptr Pointer to a memory block already allocated with
* av_malloc(z)() or av_realloc() or NULL.
* @param size Size in bytes for the memory block to be allocated or
* reallocated.
* @return Pointer to a newly reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block.
* @see av_fast_realloc()
*/
void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2);
void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
/**
* Allocate or reallocate a block of memory.
* This function does the same thing as av_realloc, except:
* - It takes two arguments and checks the result of the multiplication for
* integer overflow.
* - It frees the input block in case of failure, thus avoiding the memory
* leak with the classic "buf = realloc(buf); if (!buf) return -1;".
*/
void *av_realloc_f(void *ptr, size_t nelem, size_t elsize);
/**
* Free a memory block which has been allocated with av_malloc(z)() or
@ -104,7 +140,36 @@ void av_free(void *ptr);
* @return Pointer to the allocated block, NULL if it cannot be allocated.
* @see av_malloc()
*/
void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1);
void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
/**
* Allocate a block of nmemb * size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU) and
* zero all the bytes of the block.
* The allocation will fail if nmemb * size is greater than or equal
* to INT_MAX.
* @param nmemb
* @param size
* @return Pointer to the allocated block, NULL if it cannot be allocated.
*/
void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
/**
* Helper function to allocate a block of size * nmemb bytes with
* using av_mallocz()
* @param nmemb Number of elements
* @param size Size of the single element
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @see av_mallocz()
* @see av_malloc_array()
*/
av_alloc_size(1, 2) static inline void *av_mallocz_array(size_t nmemb, size_t size)
{
if (size <= 0 || nmemb >= INT_MAX / size)
return NULL;
return av_mallocz(nmemb * size);
}
/**
* Duplicate the string s.
@ -123,4 +188,48 @@ char *av_strdup(const char *s) av_malloc_attrib;
*/
void av_freep(void *ptr);
/**
* Add an element to a dynamic array.
*
* @param tab_ptr Pointer to the array.
* @param nb_ptr Pointer to the number of elements in the array.
* @param elem Element to be added.
*/
void av_dynarray_add(void *tab_ptr, int *nb_ptr, void *elem);
/**
* Multiply two size_t values checking for overflow.
* @return 0 if success, AVERROR(EINVAL) if overflow.
*/
static inline int av_size_mult(size_t a, size_t b, size_t *r)
{
size_t t = a * b;
/* Hack inspired from glibc: only try the division if nelem and elsize
* are both greater than sqrt(SIZE_MAX). */
if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b)
return AVERROR(EINVAL);
*r = t;
return 0;
}
/**
* Set the maximum size that may me allocated in one block.
*/
void av_max_alloc(size_t max);
/**
* @brief deliberately overlapping memcpy implementation
* @param dst destination buffer
* @param back how many bytes back we start (the initial size of the overlapping window), must be > 0
* @param cnt number of bytes to copy, must be >= 0
*
* cnt > back is valid, this will copy the bytes we just copied,
* thus creating a repeating pattern with a period length of back.
*/
void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
/**
* @}
*/
#endif /* AVUTIL_MEM_H */

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@ -0,0 +1,171 @@
/*
* copyright (c) 2006-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_OLD_PIX_FMTS_H
#define AVUTIL_OLD_PIX_FMTS_H
/*
* This header exists to prevent new pixel formats from being accidentally added
* to the deprecated list.
* Do not include it directly. It will be removed on next major bump
*
* Do not add new items to this list. Use the AVPixelFormat enum instead.
*/
PIX_FMT_NONE = AV_PIX_FMT_NONE,
PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB...
PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR...
PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
PIX_FMT_GRAY8, ///< Y , 8bpp
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range
PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range
PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range
PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)
PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range
PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian
PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0
PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0
PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1
PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1
PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_YUV420P16LE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P16BE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV422P16LE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P16BE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
PIX_FMT_RGB444LE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
PIX_FMT_GRAY8A, ///< 8bit gray, 8bit alpha
PIX_FMT_BGR48BE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_BGR48LE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as little-endian
//the following 10 formats have the disadvantage of needing 1 format for each bit depth, thus
//If you want to support multiple bit depths, then using PIX_FMT_YUV420P16* with the bpp stored separately
//is better
PIX_FMT_YUV420P9BE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P9LE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P10BE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P10LE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV422P10BE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P10LE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV444P9BE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P9LE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P10BE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P10LE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV422P9BE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P9LE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_VDA_VLD, ///< hardware decoding through VDA
#ifdef AV_PIX_FMT_ABI_GIT_MASTER
PIX_FMT_RGBA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
#endif
PIX_FMT_GBRP, ///< planar GBR 4:4:4 24bpp
PIX_FMT_GBRP9BE, ///< planar GBR 4:4:4 27bpp, big endian
PIX_FMT_GBRP9LE, ///< planar GBR 4:4:4 27bpp, little endian
PIX_FMT_GBRP10BE, ///< planar GBR 4:4:4 30bpp, big endian
PIX_FMT_GBRP10LE, ///< planar GBR 4:4:4 30bpp, little endian
PIX_FMT_GBRP16BE, ///< planar GBR 4:4:4 48bpp, big endian
PIX_FMT_GBRP16LE, ///< planar GBR 4:4:4 48bpp, little endian
#ifndef AV_PIX_FMT_ABI_GIT_MASTER
PIX_FMT_RGBA64BE=0x123, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
#endif
PIX_FMT_0RGB=0x123+4, ///< packed RGB 8:8:8, 32bpp, 0RGB0RGB...
PIX_FMT_RGB0, ///< packed RGB 8:8:8, 32bpp, RGB0RGB0...
PIX_FMT_0BGR, ///< packed BGR 8:8:8, 32bpp, 0BGR0BGR...
PIX_FMT_BGR0, ///< packed BGR 8:8:8, 32bpp, BGR0BGR0...
PIX_FMT_YUVA444P, ///< planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
PIX_FMT_YUVA422P, ///< planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
PIX_FMT_YUV420P12BE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P12LE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P14BE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV420P14LE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV422P12BE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P12LE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P14BE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV422P14LE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV444P12BE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P12LE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P14BE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_YUV444P14LE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_GBRP12BE, ///< planar GBR 4:4:4 36bpp, big endian
PIX_FMT_GBRP12LE, ///< planar GBR 4:4:4 36bpp, little endian
PIX_FMT_GBRP14BE, ///< planar GBR 4:4:4 42bpp, big endian
PIX_FMT_GBRP14LE, ///< planar GBR 4:4:4 42bpp, little endian
PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
#endif /* AVUTIL_OLD_PIX_FMTS_H */

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/*
* AVOptions
* copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_OPT_H
#define AVUTIL_OPT_H
/**
* @file
* AVOptions
*/
#include "rational.h"
#include "avutil.h"
#include "dict.h"
#include "log.h"
#include "pixfmt.h"
#include "samplefmt.h"
/**
* @defgroup avoptions AVOptions
* @ingroup lavu_data
* @{
* AVOptions provide a generic system to declare options on arbitrary structs
* ("objects"). An option can have a help text, a type and a range of possible
* values. Options may then be enumerated, read and written to.
*
* @section avoptions_implement Implementing AVOptions
* This section describes how to add AVOptions capabilities to a struct.
*
* All AVOptions-related information is stored in an AVClass. Therefore
* the first member of the struct should be a pointer to an AVClass describing it.
* The option field of the AVClass must be set to a NULL-terminated static array
* of AVOptions. Each AVOption must have a non-empty name, a type, a default
* value and for number-type AVOptions also a range of allowed values. It must
* also declare an offset in bytes from the start of the struct, where the field
* associated with this AVOption is located. Other fields in the AVOption struct
* should also be set when applicable, but are not required.
*
* The following example illustrates an AVOptions-enabled struct:
* @code
* typedef struct test_struct {
* AVClass *class;
* int int_opt;
* char *str_opt;
* uint8_t *bin_opt;
* int bin_len;
* } test_struct;
*
* static const AVOption options[] = {
* { "test_int", "This is a test option of int type.", offsetof(test_struct, int_opt),
* AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX },
* { "test_str", "This is a test option of string type.", offsetof(test_struct, str_opt),
* AV_OPT_TYPE_STRING },
* { "test_bin", "This is a test option of binary type.", offsetof(test_struct, bin_opt),
* AV_OPT_TYPE_BINARY },
* { NULL },
* };
*
* static const AVClass test_class = {
* .class_name = "test class",
* .item_name = av_default_item_name,
* .option = options,
* .version = LIBAVUTIL_VERSION_INT,
* };
* @endcode
*
* Next, when allocating your struct, you must ensure that the AVClass pointer
* is set to the correct value. Then, av_opt_set_defaults() can be called to
* initialize defaults. After that the struct is ready to be used with the
* AVOptions API.
*
* When cleaning up, you may use the av_opt_free() function to automatically
* free all the allocated string and binary options.
*
* Continuing with the above example:
*
* @code
* test_struct *alloc_test_struct(void)
* {
* test_struct *ret = av_malloc(sizeof(*ret));
* ret->class = &test_class;
* av_opt_set_defaults(ret);
* return ret;
* }
* void free_test_struct(test_struct **foo)
* {
* av_opt_free(*foo);
* av_freep(foo);
* }
* @endcode
*
* @subsection avoptions_implement_nesting Nesting
* It may happen that an AVOptions-enabled struct contains another
* AVOptions-enabled struct as a member (e.g. AVCodecContext in
* libavcodec exports generic options, while its priv_data field exports
* codec-specific options). In such a case, it is possible to set up the
* parent struct to export a child's options. To do that, simply
* implement AVClass.child_next() and AVClass.child_class_next() in the
* parent struct's AVClass.
* Assuming that the test_struct from above now also contains a
* child_struct field:
*
* @code
* typedef struct child_struct {
* AVClass *class;
* int flags_opt;
* } child_struct;
* static const AVOption child_opts[] = {
* { "test_flags", "This is a test option of flags type.",
* offsetof(child_struct, flags_opt), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX },
* { NULL },
* };
* static const AVClass child_class = {
* .class_name = "child class",
* .item_name = av_default_item_name,
* .option = child_opts,
* .version = LIBAVUTIL_VERSION_INT,
* };
*
* void *child_next(void *obj, void *prev)
* {
* test_struct *t = obj;
* if (!prev && t->child_struct)
* return t->child_struct;
* return NULL
* }
* const AVClass child_class_next(const AVClass *prev)
* {
* return prev ? NULL : &child_class;
* }
* @endcode
* Putting child_next() and child_class_next() as defined above into
* test_class will now make child_struct's options accessible through
* test_struct (again, proper setup as described above needs to be done on
* child_struct right after it is created).
*
* From the above example it might not be clear why both child_next()
* and child_class_next() are needed. The distinction is that child_next()
* iterates over actually existing objects, while child_class_next()
* iterates over all possible child classes. E.g. if an AVCodecContext
* was initialized to use a codec which has private options, then its
* child_next() will return AVCodecContext.priv_data and finish
* iterating. OTOH child_class_next() on AVCodecContext.av_class will
* iterate over all available codecs with private options.
*
* @subsection avoptions_implement_named_constants Named constants
* It is possible to create named constants for options. Simply set the unit
* field of the option the constants should apply to to a string and
* create the constants themselves as options of type AV_OPT_TYPE_CONST
* with their unit field set to the same string.
* Their default_val field should contain the value of the named
* constant.
* For example, to add some named constants for the test_flags option
* above, put the following into the child_opts array:
* @code
* { "test_flags", "This is a test option of flags type.",
* offsetof(child_struct, flags_opt), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, "test_unit" },
* { "flag1", "This is a flag with value 16", 0, AV_OPT_TYPE_CONST, { .i64 = 16 }, 0, 0, "test_unit" },
* @endcode
*
* @section avoptions_use Using AVOptions
* This section deals with accessing options in an AVOptions-enabled struct.
* Such structs in FFmpeg are e.g. AVCodecContext in libavcodec or
* AVFormatContext in libavformat.
*
* @subsection avoptions_use_examine Examining AVOptions
* The basic functions for examining options are av_opt_next(), which iterates
* over all options defined for one object, and av_opt_find(), which searches
* for an option with the given name.
*
* The situation is more complicated with nesting. An AVOptions-enabled struct
* may have AVOptions-enabled children. Passing the AV_OPT_SEARCH_CHILDREN flag
* to av_opt_find() will make the function search children recursively.
*
* For enumerating there are basically two cases. The first is when you want to
* get all options that may potentially exist on the struct and its children
* (e.g. when constructing documentation). In that case you should call
* av_opt_child_class_next() recursively on the parent struct's AVClass. The
* second case is when you have an already initialized struct with all its
* children and you want to get all options that can be actually written or read
* from it. In that case you should call av_opt_child_next() recursively (and
* av_opt_next() on each result).
*
* @subsection avoptions_use_get_set Reading and writing AVOptions
* When setting options, you often have a string read directly from the
* user. In such a case, simply passing it to av_opt_set() is enough. For
* non-string type options, av_opt_set() will parse the string according to the
* option type.
*
* Similarly av_opt_get() will read any option type and convert it to a string
* which will be returned. Do not forget that the string is allocated, so you
* have to free it with av_free().
*
* In some cases it may be more convenient to put all options into an
* AVDictionary and call av_opt_set_dict() on it. A specific case of this
* are the format/codec open functions in lavf/lavc which take a dictionary
* filled with option as a parameter. This allows to set some options
* that cannot be set otherwise, since e.g. the input file format is not known
* before the file is actually opened.
*/
enum AVOptionType{
AV_OPT_TYPE_FLAGS,
AV_OPT_TYPE_INT,
AV_OPT_TYPE_INT64,
AV_OPT_TYPE_DOUBLE,
AV_OPT_TYPE_FLOAT,
AV_OPT_TYPE_STRING,
AV_OPT_TYPE_RATIONAL,
AV_OPT_TYPE_BINARY, ///< offset must point to a pointer immediately followed by an int for the length
AV_OPT_TYPE_CONST = 128,
AV_OPT_TYPE_IMAGE_SIZE = MKBETAG('S','I','Z','E'), ///< offset must point to two consecutive integers
AV_OPT_TYPE_PIXEL_FMT = MKBETAG('P','F','M','T'),
AV_OPT_TYPE_SAMPLE_FMT = MKBETAG('S','F','M','T'),
#if FF_API_OLD_AVOPTIONS
FF_OPT_TYPE_FLAGS = 0,
FF_OPT_TYPE_INT,
FF_OPT_TYPE_INT64,
FF_OPT_TYPE_DOUBLE,
FF_OPT_TYPE_FLOAT,
FF_OPT_TYPE_STRING,
FF_OPT_TYPE_RATIONAL,
FF_OPT_TYPE_BINARY, ///< offset must point to a pointer immediately followed by an int for the length
FF_OPT_TYPE_CONST=128,
#endif
};
/**
* AVOption
*/
typedef struct AVOption {
const char *name;
/**
* short English help text
* @todo What about other languages?
*/
const char *help;
/**
* The offset relative to the context structure where the option
* value is stored. It should be 0 for named constants.
*/
int offset;
enum AVOptionType type;
/**
* the default value for scalar options
*/
union {
int64_t i64;
double dbl;
const char *str;
/* TODO those are unused now */
AVRational q;
} default_val;
double min; ///< minimum valid value for the option
double max; ///< maximum valid value for the option
int flags;
#define AV_OPT_FLAG_ENCODING_PARAM 1 ///< a generic parameter which can be set by the user for muxing or encoding
#define AV_OPT_FLAG_DECODING_PARAM 2 ///< a generic parameter which can be set by the user for demuxing or decoding
#define AV_OPT_FLAG_METADATA 4 ///< some data extracted or inserted into the file like title, comment, ...
#define AV_OPT_FLAG_AUDIO_PARAM 8
#define AV_OPT_FLAG_VIDEO_PARAM 16
#define AV_OPT_FLAG_SUBTITLE_PARAM 32
#define AV_OPT_FLAG_FILTERING_PARAM (1<<16) ///< a generic parameter which can be set by the user for filtering
//FIXME think about enc-audio, ... style flags
/**
* The logical unit to which the option belongs. Non-constant
* options and corresponding named constants share the same
* unit. May be NULL.
*/
const char *unit;
} AVOption;
/**
* A single allowed range of values, or a single allowed value.
*/
typedef struct AVOptionRange {
const char *str;
double value_min, value_max; ///< For string ranges this represents the min/max length, for dimensions this represents the min/max pixel count
double component_min, component_max; ///< For string this represents the unicode range for chars, 0-127 limits to ASCII
int is_range; ///< if set to 1 the struct encodes a range, if set to 0 a single value
} AVOptionRange;
/**
* List of AVOptionRange structs
*/
typedef struct AVOptionRanges {
AVOptionRange **range;
int nb_ranges;
} AVOptionRanges;
#if FF_API_FIND_OPT
/**
* Look for an option in obj. Look only for the options which
* have the flags set as specified in mask and flags (that is,
* for which it is the case that opt->flags & mask == flags).
*
* @param[in] obj a pointer to a struct whose first element is a
* pointer to an AVClass
* @param[in] name the name of the option to look for
* @param[in] unit the unit of the option to look for, or any if NULL
* @return a pointer to the option found, or NULL if no option
* has been found
*
* @deprecated use av_opt_find.
*/
attribute_deprecated
const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags);
#endif
#if FF_API_OLD_AVOPTIONS
/**
* Set the field of obj with the given name to value.
*
* @param[in] obj A struct whose first element is a pointer to an
* AVClass.
* @param[in] name the name of the field to set
* @param[in] val The value to set. If the field is not of a string
* type, then the given string is parsed.
* SI postfixes and some named scalars are supported.
* If the field is of a numeric type, it has to be a numeric or named
* scalar. Behavior with more than one scalar and +- infix operators
* is undefined.
* If the field is of a flags type, it has to be a sequence of numeric
* scalars or named flags separated by '+' or '-'. Prefixing a flag
* with '+' causes it to be set without affecting the other flags;
* similarly, '-' unsets a flag.
* @param[out] o_out if non-NULL put here a pointer to the AVOption
* found
* @param alloc this parameter is currently ignored
* @return 0 if the value has been set, or an AVERROR code in case of
* error:
* AVERROR_OPTION_NOT_FOUND if no matching option exists
* AVERROR(ERANGE) if the value is out of range
* AVERROR(EINVAL) if the value is not valid
* @deprecated use av_opt_set()
*/
attribute_deprecated
int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out);
attribute_deprecated const AVOption *av_set_double(void *obj, const char *name, double n);
attribute_deprecated const AVOption *av_set_q(void *obj, const char *name, AVRational n);
attribute_deprecated const AVOption *av_set_int(void *obj, const char *name, int64_t n);
double av_get_double(void *obj, const char *name, const AVOption **o_out);
AVRational av_get_q(void *obj, const char *name, const AVOption **o_out);
int64_t av_get_int(void *obj, const char *name, const AVOption **o_out);
attribute_deprecated const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len);
attribute_deprecated const AVOption *av_next_option(void *obj, const AVOption *last);
#endif
/**
* Show the obj options.
*
* @param req_flags requested flags for the options to show. Show only the
* options for which it is opt->flags & req_flags.
* @param rej_flags rejected flags for the options to show. Show only the
* options for which it is !(opt->flags & req_flags).
* @param av_log_obj log context to use for showing the options
*/
int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags);
/**
* Set the values of all AVOption fields to their default values.
*
* @param s an AVOption-enabled struct (its first member must be a pointer to AVClass)
*/
void av_opt_set_defaults(void *s);
#if FF_API_OLD_AVOPTIONS
attribute_deprecated
void av_opt_set_defaults2(void *s, int mask, int flags);
#endif
/**
* Parse the key/value pairs list in opts. For each key/value pair
* found, stores the value in the field in ctx that is named like the
* key. ctx must be an AVClass context, storing is done using
* AVOptions.
*
* @param opts options string to parse, may be NULL
* @param key_val_sep a 0-terminated list of characters used to
* separate key from value
* @param pairs_sep a 0-terminated list of characters used to separate
* two pairs from each other
* @return the number of successfully set key/value pairs, or a negative
* value corresponding to an AVERROR code in case of error:
* AVERROR(EINVAL) if opts cannot be parsed,
* the error code issued by av_set_string3() if a key/value pair
* cannot be set
*/
int av_set_options_string(void *ctx, const char *opts,
const char *key_val_sep, const char *pairs_sep);
/**
* Parse the key-value pairs list in opts. For each key=value pair found,
* set the value of the corresponding option in ctx.
*
* @param ctx the AVClass object to set options on
* @param opts the options string, key-value pairs separated by a
* delimiter
* @param shorthand a NULL-terminated array of options names for shorthand
* notation: if the first field in opts has no key part,
* the key is taken from the first element of shorthand;
* then again for the second, etc., until either opts is
* finished, shorthand is finished or a named option is
* found; after that, all options must be named
* @param key_val_sep a 0-terminated list of characters used to separate
* key from value, for example '='
* @param pairs_sep a 0-terminated list of characters used to separate
* two pairs from each other, for example ':' or ','
* @return the number of successfully set key=value pairs, or a negative
* value corresponding to an AVERROR code in case of error:
* AVERROR(EINVAL) if opts cannot be parsed,
* the error code issued by av_set_string3() if a key/value pair
* cannot be set
*
* Options names must use only the following characters: a-z A-Z 0-9 - . / _
* Separators must use characters distinct from option names and from each
* other.
*/
int av_opt_set_from_string(void *ctx, const char *opts,
const char *const *shorthand,
const char *key_val_sep, const char *pairs_sep);
/**
* Free all string and binary options in obj.
*/
void av_opt_free(void *obj);
/**
* Check whether a particular flag is set in a flags field.
*
* @param field_name the name of the flag field option
* @param flag_name the name of the flag to check
* @return non-zero if the flag is set, zero if the flag isn't set,
* isn't of the right type, or the flags field doesn't exist.
*/
int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name);
/**
* Set all the options from a given dictionary on an object.
*
* @param obj a struct whose first element is a pointer to AVClass
* @param options options to process. This dictionary will be freed and replaced
* by a new one containing all options not found in obj.
* Of course this new dictionary needs to be freed by caller
* with av_dict_free().
*
* @return 0 on success, a negative AVERROR if some option was found in obj,
* but could not be set.
*
* @see av_dict_copy()
*/
int av_opt_set_dict(void *obj, struct AVDictionary **options);
/**
* Extract a key-value pair from the beginning of a string.
*
* @param ropts pointer to the options string, will be updated to
* point to the rest of the string (one of the pairs_sep
* or the final NUL)
* @param key_val_sep a 0-terminated list of characters used to separate
* key from value, for example '='
* @param pairs_sep a 0-terminated list of characters used to separate
* two pairs from each other, for example ':' or ','
* @param flags flags; see the AV_OPT_FLAG_* values below
* @param rkey parsed key; must be freed using av_free()
* @param rval parsed value; must be freed using av_free()
*
* @return >=0 for success, or a negative value corresponding to an
* AVERROR code in case of error; in particular:
* AVERROR(EINVAL) if no key is present
*
*/
int av_opt_get_key_value(const char **ropts,
const char *key_val_sep, const char *pairs_sep,
unsigned flags,
char **rkey, char **rval);
enum {
/**
* Accept to parse a value without a key; the key will then be returned
* as NULL.
*/
AV_OPT_FLAG_IMPLICIT_KEY = 1,
};
/**
* @defgroup opt_eval_funcs Evaluating option strings
* @{
* This group of functions can be used to evaluate option strings
* and get numbers out of them. They do the same thing as av_opt_set(),
* except the result is written into the caller-supplied pointer.
*
* @param obj a struct whose first element is a pointer to AVClass.
* @param o an option for which the string is to be evaluated.
* @param val string to be evaluated.
* @param *_out value of the string will be written here.
*
* @return 0 on success, a negative number on failure.
*/
int av_opt_eval_flags (void *obj, const AVOption *o, const char *val, int *flags_out);
int av_opt_eval_int (void *obj, const AVOption *o, const char *val, int *int_out);
int av_opt_eval_int64 (void *obj, const AVOption *o, const char *val, int64_t *int64_out);
int av_opt_eval_float (void *obj, const AVOption *o, const char *val, float *float_out);
int av_opt_eval_double(void *obj, const AVOption *o, const char *val, double *double_out);
int av_opt_eval_q (void *obj, const AVOption *o, const char *val, AVRational *q_out);
/**
* @}
*/
#define AV_OPT_SEARCH_CHILDREN 0x0001 /**< Search in possible children of the
given object first. */
/**
* The obj passed to av_opt_find() is fake -- only a double pointer to AVClass
* instead of a required pointer to a struct containing AVClass. This is
* useful for searching for options without needing to allocate the corresponding
* object.
*/
#define AV_OPT_SEARCH_FAKE_OBJ 0x0002
/**
* Look for an option in an object. Consider only options which
* have all the specified flags set.
*
* @param[in] obj A pointer to a struct whose first element is a
* pointer to an AVClass.
* Alternatively a double pointer to an AVClass, if
* AV_OPT_SEARCH_FAKE_OBJ search flag is set.
* @param[in] name The name of the option to look for.
* @param[in] unit When searching for named constants, name of the unit
* it belongs to.
* @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG).
* @param search_flags A combination of AV_OPT_SEARCH_*.
*
* @return A pointer to the option found, or NULL if no option
* was found.
*
* @note Options found with AV_OPT_SEARCH_CHILDREN flag may not be settable
* directly with av_set_string3(). Use special calls which take an options
* AVDictionary (e.g. avformat_open_input()) to set options found with this
* flag.
*/
const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
int opt_flags, int search_flags);
/**
* Look for an option in an object. Consider only options which
* have all the specified flags set.
*
* @param[in] obj A pointer to a struct whose first element is a
* pointer to an AVClass.
* Alternatively a double pointer to an AVClass, if
* AV_OPT_SEARCH_FAKE_OBJ search flag is set.
* @param[in] name The name of the option to look for.
* @param[in] unit When searching for named constants, name of the unit
* it belongs to.
* @param opt_flags Find only options with all the specified flags set (AV_OPT_FLAG).
* @param search_flags A combination of AV_OPT_SEARCH_*.
* @param[out] target_obj if non-NULL, an object to which the option belongs will be
* written here. It may be different from obj if AV_OPT_SEARCH_CHILDREN is present
* in search_flags. This parameter is ignored if search_flags contain
* AV_OPT_SEARCH_FAKE_OBJ.
*
* @return A pointer to the option found, or NULL if no option
* was found.
*/
const AVOption *av_opt_find2(void *obj, const char *name, const char *unit,
int opt_flags, int search_flags, void **target_obj);
/**
* Iterate over all AVOptions belonging to obj.
*
* @param obj an AVOptions-enabled struct or a double pointer to an
* AVClass describing it.
* @param prev result of the previous call to av_opt_next() on this object
* or NULL
* @return next AVOption or NULL
*/
const AVOption *av_opt_next(void *obj, const AVOption *prev);
/**
* Iterate over AVOptions-enabled children of obj.
*
* @param prev result of a previous call to this function or NULL
* @return next AVOptions-enabled child or NULL
*/
void *av_opt_child_next(void *obj, void *prev);
/**
* Iterate over potential AVOptions-enabled children of parent.
*
* @param prev result of a previous call to this function or NULL
* @return AVClass corresponding to next potential child or NULL
*/
const AVClass *av_opt_child_class_next(const AVClass *parent, const AVClass *prev);
/**
* @defgroup opt_set_funcs Option setting functions
* @{
* Those functions set the field of obj with the given name to value.
*
* @param[in] obj A struct whose first element is a pointer to an AVClass.
* @param[in] name the name of the field to set
* @param[in] val The value to set. In case of av_opt_set() if the field is not
* of a string type, then the given string is parsed.
* SI postfixes and some named scalars are supported.
* If the field is of a numeric type, it has to be a numeric or named
* scalar. Behavior with more than one scalar and +- infix operators
* is undefined.
* If the field is of a flags type, it has to be a sequence of numeric
* scalars or named flags separated by '+' or '-'. Prefixing a flag
* with '+' causes it to be set without affecting the other flags;
* similarly, '-' unsets a flag.
* @param search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
* is passed here, then the option may be set on a child of obj.
*
* @return 0 if the value has been set, or an AVERROR code in case of
* error:
* AVERROR_OPTION_NOT_FOUND if no matching option exists
* AVERROR(ERANGE) if the value is out of range
* AVERROR(EINVAL) if the value is not valid
*/
int av_opt_set (void *obj, const char *name, const char *val, int search_flags);
int av_opt_set_int (void *obj, const char *name, int64_t val, int search_flags);
int av_opt_set_double(void *obj, const char *name, double val, int search_flags);
int av_opt_set_q (void *obj, const char *name, AVRational val, int search_flags);
int av_opt_set_bin (void *obj, const char *name, const uint8_t *val, int size, int search_flags);
int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_flags);
int av_opt_set_pixel_fmt (void *obj, const char *name, enum AVPixelFormat fmt, int search_flags);
int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags);
/**
* @}
*/
/**
* @defgroup opt_get_funcs Option getting functions
* @{
* Those functions get a value of the option with the given name from an object.
*
* @param[in] obj a struct whose first element is a pointer to an AVClass.
* @param[in] name name of the option to get.
* @param[in] search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
* is passed here, then the option may be found in a child of obj.
* @param[out] out_val value of the option will be written here
* @return 0 on success, a negative error code otherwise
*/
/**
* @note the returned string will av_malloc()ed and must be av_free()ed by the caller
*/
int av_opt_get (void *obj, const char *name, int search_flags, uint8_t **out_val);
int av_opt_get_int (void *obj, const char *name, int search_flags, int64_t *out_val);
int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val);
int av_opt_get_q (void *obj, const char *name, int search_flags, AVRational *out_val);
int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_out, int *h_out);
int av_opt_get_pixel_fmt (void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt);
int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt);
/**
* @}
*/
/**
* Gets a pointer to the requested field in a struct.
* This function allows accessing a struct even when its fields are moved or
* renamed since the application making the access has been compiled,
*
* @returns a pointer to the field, it can be cast to the correct type and read
* or written to.
*/
void *av_opt_ptr(const AVClass *avclass, void *obj, const char *name);
/**
* Free an AVOptionRanges struct and set it to NULL.
*/
void av_opt_freep_ranges(AVOptionRanges **ranges);
/**
* Get a list of allowed ranges for the given option.
*
* The returned list may depend on other fields in obj like for example profile.
*
* @param flags is a bitmask of flags, undefined flags should not be set and should be ignored
* AV_OPT_SEARCH_FAKE_OBJ indicates that the obj is a double pointer to a AVClass instead of a full instance
*
* The result must be freed with av_opt_freep_ranges.
*
* @return >= 0 on success, a negative errro code otherwise
*/
int av_opt_query_ranges(AVOptionRanges **, void *obj, const char *key, int flags);
/**
* Get a default list of allowed ranges for the given option.
*
* This list is constructed without using the AVClass.query_ranges() callback
* and can be used as fallback from within the callback.
*
* @param flags is a bitmask of flags, undefined flags should not be set and should be ignored
* AV_OPT_SEARCH_FAKE_OBJ indicates that the obj is a double pointer to a AVClass instead of a full instance
*
* The result must be freed with av_opt_free_ranges.
*
* @return >= 0 on success, a negative errro code otherwise
*/
int av_opt_query_ranges_default(AVOptionRanges **, void *obj, const char *key, int flags);
/**
* @}
*/
#endif /* AVUTIL_OPT_H */

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@ -0,0 +1,174 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_PARSEUTILS_H
#define AVUTIL_PARSEUTILS_H
#include <time.h>
#include "rational.h"
/**
* @file
* misc parsing utilities
*/
/**
* Parse str and store the parsed ratio in q.
*
* Note that a ratio with infinite (1/0) or negative value is
* considered valid, so you should check on the returned value if you
* want to exclude those values.
*
* The undefined value can be expressed using the "0:0" string.
*
* @param[in,out] q pointer to the AVRational which will contain the ratio
* @param[in] str the string to parse: it has to be a string in the format
* num:den, a float number or an expression
* @param[in] max the maximum allowed numerator and denominator
* @param[in] log_offset log level offset which is applied to the log
* level of log_ctx
* @param[in] log_ctx parent logging context
* @return >= 0 on success, a negative error code otherwise
*/
int av_parse_ratio(AVRational *q, const char *str, int max,
int log_offset, void *log_ctx);
#define av_parse_ratio_quiet(rate, str, max) \
av_parse_ratio(rate, str, max, AV_LOG_MAX_OFFSET, NULL)
/**
* Parse str and put in width_ptr and height_ptr the detected values.
*
* @param[in,out] width_ptr pointer to the variable which will contain the detected
* width value
* @param[in,out] height_ptr pointer to the variable which will contain the detected
* height value
* @param[in] str the string to parse: it has to be a string in the format
* width x height or a valid video size abbreviation.
* @return >= 0 on success, a negative error code otherwise
*/
int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str);
/**
* Parse str and store the detected values in *rate.
*
* @param[in,out] rate pointer to the AVRational which will contain the detected
* frame rate
* @param[in] str the string to parse: it has to be a string in the format
* rate_num / rate_den, a float number or a valid video rate abbreviation
* @return >= 0 on success, a negative error code otherwise
*/
int av_parse_video_rate(AVRational *rate, const char *str);
/**
* Put the RGBA values that correspond to color_string in rgba_color.
*
* @param color_string a string specifying a color. It can be the name of
* a color (case insensitive match) or a [0x|#]RRGGBB[AA] sequence,
* possibly followed by "@" and a string representing the alpha
* component.
* The alpha component may be a string composed by "0x" followed by an
* hexadecimal number or a decimal number between 0.0 and 1.0, which
* represents the opacity value (0x00/0.0 means completely transparent,
* 0xff/1.0 completely opaque).
* If the alpha component is not specified then 0xff is assumed.
* The string "random" will result in a random color.
* @param slen length of the initial part of color_string containing the
* color. It can be set to -1 if color_string is a null terminated string
* containing nothing else than the color.
* @return >= 0 in case of success, a negative value in case of
* failure (for example if color_string cannot be parsed).
*/
int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen,
void *log_ctx);
/**
* Parse timestr and return in *time a corresponding number of
* microseconds.
*
* @param timeval puts here the number of microseconds corresponding
* to the string in timestr. If the string represents a duration, it
* is the number of microseconds contained in the time interval. If
* the string is a date, is the number of microseconds since 1st of
* January, 1970 up to the time of the parsed date. If timestr cannot
* be successfully parsed, set *time to INT64_MIN.
* @param timestr a string representing a date or a duration.
* - If a date the syntax is:
* @code
* [{YYYY-MM-DD|YYYYMMDD}[T|t| ]]{{HH:MM:SS[.m...]]]}|{HHMMSS[.m...]]]}}[Z]
* now
* @endcode
* If the value is "now" it takes the current time.
* Time is local time unless Z is appended, in which case it is
* interpreted as UTC.
* If the year-month-day part is not specified it takes the current
* year-month-day.
* - If a duration the syntax is:
* @code
* [-][HH:]MM:SS[.m...]
* [-]S+[.m...]
* @endcode
* @param duration flag which tells how to interpret timestr, if not
* zero timestr is interpreted as a duration, otherwise as a date
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
*/
int av_parse_time(int64_t *timeval, const char *timestr, int duration);
/**
* Parse the input string p according to the format string fmt and
* store its results in the structure dt.
* This implementation supports only a subset of the formats supported
* by the standard strptime().
*
* In particular it actually supports the parameters:
* - %H: the hour as a decimal number, using a 24-hour clock, in the
* range '00' through '23'
* - %J: hours as a decimal number, in the range '0' through INT_MAX
* - %M: the minute as a decimal number, using a 24-hour clock, in the
* range '00' through '59'
* - %S: the second as a decimal number, using a 24-hour clock, in the
* range '00' through '59'
* - %Y: the year as a decimal number, using the Gregorian calendar
* - %m: the month as a decimal number, in the range '1' through '12'
* - %d: the day of the month as a decimal number, in the range '1'
* through '31'
* - %%: a literal '%'
*
* @return a pointer to the first character not processed in this
* function call, or NULL in case the function fails to match all of
* the fmt string and therefore an error occurred
*/
char *av_small_strptime(const char *p, const char *fmt, struct tm *dt);
/**
* Attempt to find a specific tag in a URL.
*
* syntax: '?tag1=val1&tag2=val2...'. Little URL decoding is done.
* Return 1 if found.
*/
int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
/**
* Convert the decomposed UTC time in tm to a time_t value.
*/
time_t av_timegm(struct tm *tm);
#endif /* AVUTIL_PARSEUTILS_H */

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@ -23,6 +23,7 @@
#define AVUTIL_PIXDESC_H
#include <inttypes.h>
#include "pixfmt.h"
typedef struct AVComponentDescriptor{
uint16_t plane :2; ///< which of the 4 planes contains the component
@ -75,9 +76,12 @@ typedef struct AVPixFmtDescriptor{
uint8_t flags;
/**
* Parameters that describe how pixels are packed. If the format
* has chroma components, they must be stored in comp[1] and
* comp[2].
* Parameters that describe how pixels are packed.
* If the format has 2 or 4 components, then alpha is last.
* If the format has 1 or 2 components, then luma is 0.
* If the format has 3 or 4 components,
* if the RGB flag is set then 0 is red, 1 is green and 2 is blue;
* otherwise 0 is luma, 1 is chroma-U and 2 is chroma-V.
*/
AVComponentDescriptor comp[4];
}AVPixFmtDescriptor;
@ -86,11 +90,24 @@ typedef struct AVPixFmtDescriptor{
#define PIX_FMT_PAL 2 ///< Pixel format has a palette in data[1], values are indexes in this palette.
#define PIX_FMT_BITSTREAM 4 ///< All values of a component are bit-wise packed end to end.
#define PIX_FMT_HWACCEL 8 ///< Pixel format is an HW accelerated format.
#define PIX_FMT_PLANAR 16 ///< At least one pixel component is not in the first data plane
#define PIX_FMT_RGB 32 ///< The pixel format contains RGB-like data (as opposed to YUV/grayscale)
/**
* The pixel format is "pseudo-paletted". This means that FFmpeg treats it as
* paletted internally, but the palette is generated by the decoder and is not
* stored in the file.
*/
#define PIX_FMT_PSEUDOPAL 64
#define PIX_FMT_ALPHA 128 ///< The pixel format has an alpha channel
#if FF_API_PIX_FMT_DESC
/**
* The array of all the pixel format descriptors.
*/
extern const AVPixFmtDescriptor av_pix_fmt_descriptors[];
#endif
/**
* Read a line from an image, and write the values of the
@ -137,9 +154,29 @@ void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesi
* For example in a little-endian system, first looks for "gray16",
* then for "gray16le".
*
* Finally if no pixel format has been found, returns PIX_FMT_NONE.
* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
*/
enum PixelFormat av_get_pix_fmt(const char *name);
enum AVPixelFormat av_get_pix_fmt(const char *name);
/**
* Return the short name for a pixel format, NULL in case pix_fmt is
* unknown.
*
* @see av_get_pix_fmt(), av_get_pix_fmt_string()
*/
const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
/**
* Print in buf the string corresponding to the pixel format with
* number pix_fmt, or an header if pix_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param pix_fmt the number of the pixel format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
*/
char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt);
/**
* Return the number of bits per pixel used by the pixel format
@ -151,4 +188,50 @@ enum PixelFormat av_get_pix_fmt(const char *name);
*/
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
/**
* Return the number of bits per pixel for the pixel format
* described by pixdesc, including any padding or unused bits.
*/
int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc);
/**
* @return a pixel format descriptor for provided pixel format or NULL if
* this pixel format is unknown.
*/
const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt);
/**
* Iterate over all pixel format descriptors known to libavutil.
*
* @param prev previous descriptor. NULL to get the first descriptor.
*
* @return next descriptor or NULL after the last descriptor
*/
const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev);
/**
* @return an AVPixelFormat id described by desc, or AV_PIX_FMT_NONE if desc
* is not a valid pointer to a pixel format descriptor.
*/
enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc);
/**
* Utility function to access log2_chroma_w log2_chroma_h from
* the pixel format AVPixFmtDescriptor.
*
* See avcodec_get_chroma_sub_sample() for a function that asserts a
* valid pixel format instead of returning an error code.
* Its recommanded that you use avcodec_get_chroma_sub_sample unless
* you do check the return code!
*
* @param[in] pix_fmt the pixel format
* @param[out] h_shift store log2_chroma_h
* @param[out] v_shift store log2_chroma_w
*
* @return 0 on success, AVERROR(ENOSYS) on invalid or unknown pixel format
*/
int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
int *h_shift, int *v_shift);
#endif /* AVUTIL_PIXDESC_H */

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@ -25,21 +25,25 @@
* @file
* pixel format definitions
*
* @warning This file has to be considered an internal but installed
* header, so it should not be directly included in your projects.
*/
#include "libavutil/avconfig.h"
#include "libavutil/version.h"
#define AVPALETTE_SIZE 1024
#define AVPALETTE_COUNT 256
/**
* Pixel format. Notes:
* Pixel format.
*
* @note
* PIX_FMT_RGB32 is handled in an endian-specific manner. An RGBA
* color is put together as:
* (A << 24) | (R << 16) | (G << 8) | B
* This is stored as BGRA on little-endian CPU architectures and ARGB on
* big-endian CPUs.
*
* @par
* When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized
* image data is stored in AVFrame.data[0]. The palette is transported in
* AVFrame.data[1], is 1024 bytes long (256 4-byte entries) and is
@ -49,115 +53,305 @@
* This is important as many custom PAL8 video codecs that were designed
* to run on the IBM VGA graphics adapter use 6-bit palette components.
*
* @par
* For all the 8bit per pixel formats, an RGB32 palette is in data[1] like
* for pal8. This palette is filled in automatically by the function
* allocating the picture.
*
* Note, make sure that all newly added big endian formats have pix_fmt&1==1
* and that all newly added little endian formats have pix_fmt&1==0
* this allows simpler detection of big vs little endian.
* @note
* Make sure that all newly added big-endian formats have pix_fmt & 1 == 1
* and that all newly added little-endian formats have pix_fmt & 1 == 0.
* This allows simpler detection of big vs little-endian.
*/
enum PixelFormat {
PIX_FMT_NONE= -1,
PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB...
PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR...
PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
PIX_FMT_GRAY8, ///< Y , 8bpp
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range
PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range
PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range
PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)
PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
enum AVPixelFormat {
AV_PIX_FMT_NONE = -1,
AV_PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
AV_PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
AV_PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB...
AV_PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR...
AV_PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
AV_PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
AV_PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
AV_PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
AV_PIX_FMT_GRAY8, ///< Y , 8bpp
AV_PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb
AV_PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb
AV_PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
AV_PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV420P and setting color_range
AV_PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV422P and setting color_range
AV_PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of PIX_FMT_YUV444P and setting color_range
AV_PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
AV_PIX_FMT_XVMC_MPEG2_IDCT,
AV_PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
AV_PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
AV_PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
AV_PIX_FMT_BGR4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
AV_PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
AV_PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
AV_PIX_FMT_RGB4, ///< packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in the byte is the one composed by the 4 msb bits
AV_PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
AV_PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (first byte U and the following byte V)
AV_PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
AV_PIX_FMT_ARGB, ///< packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
AV_PIX_FMT_RGBA, ///< packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
AV_PIX_FMT_ABGR, ///< packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
AV_PIX_FMT_BGRA, ///< packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range
PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian
PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian
AV_PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
AV_PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
AV_PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
AV_PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG), deprecated in favor of PIX_FMT_YUV440P and setting color_range
AV_PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
AV_PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big-endian
AV_PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as little-endian
PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0
PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0
AV_PIX_FMT_RGB565BE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
AV_PIX_FMT_RGB565LE, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
AV_PIX_FMT_RGB555BE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0
AV_PIX_FMT_RGB555LE, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0
PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1
PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1
AV_PIX_FMT_BGR565BE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
AV_PIX_FMT_BGR565LE, ///< packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
AV_PIX_FMT_BGR555BE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1
AV_PIX_FMT_BGR555LE, ///< packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1
PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[3] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
AV_PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[3] contains a vaapi_render_state struct which contains fields extracted from headers
AV_PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[3] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_YUV420P16LE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
PIX_FMT_YUV420P16BE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
PIX_FMT_YUV422P16LE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
PIX_FMT_YUV422P16BE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
AV_PIX_FMT_YUV420P16LE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV420P16BE, ///< planar YUV 4:2:0, 24bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV422P16LE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV422P16BE, ///< planar YUV 4:2:2, 32bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV444P16LE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P16BE, ///< planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_VDPAU_MPEG4, ///< MPEG4 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
AV_PIX_FMT_DXVA2_VLD, ///< HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer
PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
PIX_FMT_RGB444LE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
PIX_FMT_Y400A, ///< 8bit gray, 8bit alpha
PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
AV_PIX_FMT_RGB444LE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
AV_PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
AV_PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
AV_PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
AV_PIX_FMT_GRAY8A, ///< 8bit gray, 8bit alpha
AV_PIX_FMT_BGR48BE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big-endian
AV_PIX_FMT_BGR48LE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as little-endian
//the following 10 formats have the disadvantage of needing 1 format for each bit depth, thus
//If you want to support multiple bit depths, then using AV_PIX_FMT_YUV420P16* with the bpp stored separately
//is better
AV_PIX_FMT_YUV420P9BE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P9LE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV420P10BE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P10LE,///< planar YUV 4:2:0, 15bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV422P10BE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P10LE,///< planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV444P9BE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P9LE, ///< planar YUV 4:4:4, 27bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P10BE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P10LE,///< planar YUV 4:4:4, 30bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV422P9BE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P9LE, ///< planar YUV 4:2:2, 18bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_VDA_VLD, ///< hardware decoding through VDA
#ifdef AV_PIX_FMT_ABI_GIT_MASTER
AV_PIX_FMT_RGBA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
AV_PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
#endif
AV_PIX_FMT_GBRP, ///< planar GBR 4:4:4 24bpp
AV_PIX_FMT_GBRP9BE, ///< planar GBR 4:4:4 27bpp, big-endian
AV_PIX_FMT_GBRP9LE, ///< planar GBR 4:4:4 27bpp, little-endian
AV_PIX_FMT_GBRP10BE, ///< planar GBR 4:4:4 30bpp, big-endian
AV_PIX_FMT_GBRP10LE, ///< planar GBR 4:4:4 30bpp, little-endian
AV_PIX_FMT_GBRP16BE, ///< planar GBR 4:4:4 48bpp, big-endian
AV_PIX_FMT_GBRP16LE, ///< planar GBR 4:4:4 48bpp, little-endian
/**
* duplicated pixel formats for compatibility with libav.
* FFmpeg supports these formats since May 8 2012 and Jan 28 2012 (commits f9ca1ac7 and 143a5c55)
* Libav added them Oct 12 2012 with incompatible values (commit 6d5600e85)
*/
AV_PIX_FMT_YUVA422P_LIBAV, ///< planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
AV_PIX_FMT_YUVA444P_LIBAV, ///< planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
AV_PIX_FMT_YUVA420P9BE, ///< planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), big-endian
AV_PIX_FMT_YUVA420P9LE, ///< planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian
AV_PIX_FMT_YUVA422P9BE, ///< planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), big-endian
AV_PIX_FMT_YUVA422P9LE, ///< planar YUV 4:2:2 27bpp, (1 Cr & Cb sample per 2x1 Y & A samples), little-endian
AV_PIX_FMT_YUVA444P9BE, ///< planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), big-endian
AV_PIX_FMT_YUVA444P9LE, ///< planar YUV 4:4:4 36bpp, (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
AV_PIX_FMT_YUVA420P10BE, ///< planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
AV_PIX_FMT_YUVA420P10LE, ///< planar YUV 4:2:0 25bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
AV_PIX_FMT_YUVA422P10BE, ///< planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA422P10LE, ///< planar YUV 4:2:2 30bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
AV_PIX_FMT_YUVA444P10BE, ///< planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA444P10LE, ///< planar YUV 4:4:4 40bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
AV_PIX_FMT_YUVA420P16BE, ///< planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, big-endian)
AV_PIX_FMT_YUVA420P16LE, ///< planar YUV 4:2:0 40bpp, (1 Cr & Cb sample per 2x2 Y & A samples, little-endian)
AV_PIX_FMT_YUVA422P16BE, ///< planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA422P16LE, ///< planar YUV 4:2:2 48bpp, (1 Cr & Cb sample per 2x1 Y & A samples, little-endian)
AV_PIX_FMT_YUVA444P16BE, ///< planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
AV_PIX_FMT_YUVA444P16LE, ///< planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
AV_PIX_FMT_VDPAU, ///< HW acceleration through VDPAU, Picture.data[3] contains a VdpVideoSurface
#ifndef AV_PIX_FMT_ABI_GIT_MASTER
AV_PIX_FMT_RGBA64BE=0x123, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_RGBA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
AV_PIX_FMT_BGRA64BE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as big-endian
AV_PIX_FMT_BGRA64LE, ///< packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is stored as little-endian
#endif
AV_PIX_FMT_0RGB=0x123+4, ///< packed RGB 8:8:8, 32bpp, 0RGB0RGB...
AV_PIX_FMT_RGB0, ///< packed RGB 8:8:8, 32bpp, RGB0RGB0...
AV_PIX_FMT_0BGR, ///< packed BGR 8:8:8, 32bpp, 0BGR0BGR...
AV_PIX_FMT_BGR0, ///< packed BGR 8:8:8, 32bpp, BGR0BGR0...
AV_PIX_FMT_YUVA444P, ///< planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
AV_PIX_FMT_YUVA422P, ///< planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
AV_PIX_FMT_YUV420P12BE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P12LE, ///< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV420P14BE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian
AV_PIX_FMT_YUV420P14LE, ///< planar YUV 4:2:0,21bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian
AV_PIX_FMT_YUV422P12BE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P12LE, ///< planar YUV 4:2:2,24bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV422P14BE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
AV_PIX_FMT_YUV422P14LE, ///< planar YUV 4:2:2,28bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
AV_PIX_FMT_YUV444P12BE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P12LE, ///< planar YUV 4:4:4,36bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_YUV444P14BE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
AV_PIX_FMT_YUV444P14LE, ///< planar YUV 4:4:4,42bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
AV_PIX_FMT_GBRP12BE, ///< planar GBR 4:4:4 36bpp, big-endian
AV_PIX_FMT_GBRP12LE, ///< planar GBR 4:4:4 36bpp, little-endian
AV_PIX_FMT_GBRP14BE, ///< planar GBR 4:4:4 42bpp, big-endian
AV_PIX_FMT_GBRP14LE, ///< planar GBR 4:4:4 42bpp, little-endian
AV_PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
#if FF_API_PIX_FMT
#include "old_pix_fmts.h"
#endif
};
#if AV_HAVE_BIGENDIAN
# define PIX_FMT_NE(be, le) PIX_FMT_##be
#else
# define PIX_FMT_NE(be, le) PIX_FMT_##le
#if AV_HAVE_INCOMPATIBLE_FORK_ABI
#define AV_PIX_FMT_YUVA422P AV_PIX_FMT_YUVA422P_LIBAV
#define AV_PIX_FMT_YUVA444P AV_PIX_FMT_YUVA444P_LIBAV
#endif
#define PIX_FMT_RGB32 PIX_FMT_NE(ARGB, BGRA)
#define PIX_FMT_RGB32_1 PIX_FMT_NE(RGBA, ABGR)
#define PIX_FMT_BGR32 PIX_FMT_NE(ABGR, RGBA)
#define PIX_FMT_BGR32_1 PIX_FMT_NE(BGRA, ARGB)
#define PIX_FMT_GRAY16 PIX_FMT_NE(GRAY16BE, GRAY16LE)
#define PIX_FMT_RGB48 PIX_FMT_NE(RGB48BE, RGB48LE)
#define PIX_FMT_RGB565 PIX_FMT_NE(RGB565BE, RGB565LE)
#define PIX_FMT_RGB555 PIX_FMT_NE(RGB555BE, RGB555LE)
#define PIX_FMT_RGB444 PIX_FMT_NE(RGB444BE, RGB444LE)
#define PIX_FMT_BGR565 PIX_FMT_NE(BGR565BE, BGR565LE)
#define PIX_FMT_BGR555 PIX_FMT_NE(BGR555BE, BGR555LE)
#define PIX_FMT_BGR444 PIX_FMT_NE(BGR444BE, BGR444LE)
#define AV_PIX_FMT_Y400A AV_PIX_FMT_GRAY8A
#define AV_PIX_FMT_GBR24P AV_PIX_FMT_GBRP
#define PIX_FMT_YUV420P16 PIX_FMT_NE(YUV420P16BE, YUV420P16LE)
#define PIX_FMT_YUV422P16 PIX_FMT_NE(YUV422P16BE, YUV422P16LE)
#define PIX_FMT_YUV444P16 PIX_FMT_NE(YUV444P16BE, YUV444P16LE)
#if AV_HAVE_BIGENDIAN
# define AV_PIX_FMT_NE(be, le) AV_PIX_FMT_##be
#else
# define AV_PIX_FMT_NE(be, le) AV_PIX_FMT_##le
#endif
#define AV_PIX_FMT_RGB32 AV_PIX_FMT_NE(ARGB, BGRA)
#define AV_PIX_FMT_RGB32_1 AV_PIX_FMT_NE(RGBA, ABGR)
#define AV_PIX_FMT_BGR32 AV_PIX_FMT_NE(ABGR, RGBA)
#define AV_PIX_FMT_BGR32_1 AV_PIX_FMT_NE(BGRA, ARGB)
#define AV_PIX_FMT_0RGB32 AV_PIX_FMT_NE(0RGB, BGR0)
#define AV_PIX_FMT_0BGR32 AV_PIX_FMT_NE(0BGR, RGB0)
#define AV_PIX_FMT_GRAY16 AV_PIX_FMT_NE(GRAY16BE, GRAY16LE)
#define AV_PIX_FMT_RGB48 AV_PIX_FMT_NE(RGB48BE, RGB48LE)
#define AV_PIX_FMT_RGB565 AV_PIX_FMT_NE(RGB565BE, RGB565LE)
#define AV_PIX_FMT_RGB555 AV_PIX_FMT_NE(RGB555BE, RGB555LE)
#define AV_PIX_FMT_RGB444 AV_PIX_FMT_NE(RGB444BE, RGB444LE)
#define AV_PIX_FMT_BGR48 AV_PIX_FMT_NE(BGR48BE, BGR48LE)
#define AV_PIX_FMT_BGR565 AV_PIX_FMT_NE(BGR565BE, BGR565LE)
#define AV_PIX_FMT_BGR555 AV_PIX_FMT_NE(BGR555BE, BGR555LE)
#define AV_PIX_FMT_BGR444 AV_PIX_FMT_NE(BGR444BE, BGR444LE)
#define AV_PIX_FMT_YUV420P9 AV_PIX_FMT_NE(YUV420P9BE , YUV420P9LE)
#define AV_PIX_FMT_YUV422P9 AV_PIX_FMT_NE(YUV422P9BE , YUV422P9LE)
#define AV_PIX_FMT_YUV444P9 AV_PIX_FMT_NE(YUV444P9BE , YUV444P9LE)
#define AV_PIX_FMT_YUV420P10 AV_PIX_FMT_NE(YUV420P10BE, YUV420P10LE)
#define AV_PIX_FMT_YUV422P10 AV_PIX_FMT_NE(YUV422P10BE, YUV422P10LE)
#define AV_PIX_FMT_YUV444P10 AV_PIX_FMT_NE(YUV444P10BE, YUV444P10LE)
#define AV_PIX_FMT_YUV420P12 AV_PIX_FMT_NE(YUV420P12BE, YUV420P12LE)
#define AV_PIX_FMT_YUV422P12 AV_PIX_FMT_NE(YUV422P12BE, YUV422P12LE)
#define AV_PIX_FMT_YUV444P12 AV_PIX_FMT_NE(YUV444P12BE, YUV444P12LE)
#define AV_PIX_FMT_YUV420P14 AV_PIX_FMT_NE(YUV420P14BE, YUV420P14LE)
#define AV_PIX_FMT_YUV422P14 AV_PIX_FMT_NE(YUV422P14BE, YUV422P14LE)
#define AV_PIX_FMT_YUV444P14 AV_PIX_FMT_NE(YUV444P14BE, YUV444P14LE)
#define AV_PIX_FMT_YUV420P16 AV_PIX_FMT_NE(YUV420P16BE, YUV420P16LE)
#define AV_PIX_FMT_YUV422P16 AV_PIX_FMT_NE(YUV422P16BE, YUV422P16LE)
#define AV_PIX_FMT_YUV444P16 AV_PIX_FMT_NE(YUV444P16BE, YUV444P16LE)
#define AV_PIX_FMT_RGBA64 AV_PIX_FMT_NE(RGBA64BE, RGBA64LE)
#define AV_PIX_FMT_BGRA64 AV_PIX_FMT_NE(BGRA64BE, BGRA64LE)
#define AV_PIX_FMT_GBRP9 AV_PIX_FMT_NE(GBRP9BE , GBRP9LE)
#define AV_PIX_FMT_GBRP10 AV_PIX_FMT_NE(GBRP10BE, GBRP10LE)
#define AV_PIX_FMT_GBRP12 AV_PIX_FMT_NE(GBRP12BE, GBRP12LE)
#define AV_PIX_FMT_GBRP14 AV_PIX_FMT_NE(GBRP14BE, GBRP14LE)
#define AV_PIX_FMT_GBRP16 AV_PIX_FMT_NE(GBRP16BE, GBRP16LE)
#define AV_PIX_FMT_YUVA420P9 AV_PIX_FMT_NE(YUVA420P9BE , YUVA420P9LE)
#define AV_PIX_FMT_YUVA422P9 AV_PIX_FMT_NE(YUVA422P9BE , YUVA422P9LE)
#define AV_PIX_FMT_YUVA444P9 AV_PIX_FMT_NE(YUVA444P9BE , YUVA444P9LE)
#define AV_PIX_FMT_YUVA420P10 AV_PIX_FMT_NE(YUVA420P10BE, YUVA420P10LE)
#define AV_PIX_FMT_YUVA422P10 AV_PIX_FMT_NE(YUVA422P10BE, YUVA422P10LE)
#define AV_PIX_FMT_YUVA444P10 AV_PIX_FMT_NE(YUVA444P10BE, YUVA444P10LE)
#define AV_PIX_FMT_YUVA420P16 AV_PIX_FMT_NE(YUVA420P16BE, YUVA420P16LE)
#define AV_PIX_FMT_YUVA422P16 AV_PIX_FMT_NE(YUVA422P16BE, YUVA422P16LE)
#define AV_PIX_FMT_YUVA444P16 AV_PIX_FMT_NE(YUVA444P16BE, YUVA444P16LE)
#if FF_API_PIX_FMT
#define PixelFormat AVPixelFormat
#define PIX_FMT_Y400A AV_PIX_FMT_Y400A
#define PIX_FMT_GBR24P AV_PIX_FMT_GBR24P
#define PIX_FMT_NE(be, le) AV_PIX_FMT_NE(be, le)
#define PIX_FMT_RGB32 AV_PIX_FMT_RGB32
#define PIX_FMT_RGB32_1 AV_PIX_FMT_RGB32_1
#define PIX_FMT_BGR32 AV_PIX_FMT_BGR32
#define PIX_FMT_BGR32_1 AV_PIX_FMT_BGR32_1
#define PIX_FMT_0RGB32 AV_PIX_FMT_0RGB32
#define PIX_FMT_0BGR32 AV_PIX_FMT_0BGR32
#define PIX_FMT_GRAY16 AV_PIX_FMT_GRAY16
#define PIX_FMT_RGB48 AV_PIX_FMT_RGB48
#define PIX_FMT_RGB565 AV_PIX_FMT_RGB565
#define PIX_FMT_RGB555 AV_PIX_FMT_RGB555
#define PIX_FMT_RGB444 AV_PIX_FMT_RGB444
#define PIX_FMT_BGR48 AV_PIX_FMT_BGR48
#define PIX_FMT_BGR565 AV_PIX_FMT_BGR565
#define PIX_FMT_BGR555 AV_PIX_FMT_BGR555
#define PIX_FMT_BGR444 AV_PIX_FMT_BGR444
#define PIX_FMT_YUV420P9 AV_PIX_FMT_YUV420P9
#define PIX_FMT_YUV422P9 AV_PIX_FMT_YUV422P9
#define PIX_FMT_YUV444P9 AV_PIX_FMT_YUV444P9
#define PIX_FMT_YUV420P10 AV_PIX_FMT_YUV420P10
#define PIX_FMT_YUV422P10 AV_PIX_FMT_YUV422P10
#define PIX_FMT_YUV444P10 AV_PIX_FMT_YUV444P10
#define PIX_FMT_YUV420P12 AV_PIX_FMT_YUV420P12
#define PIX_FMT_YUV422P12 AV_PIX_FMT_YUV422P12
#define PIX_FMT_YUV444P12 AV_PIX_FMT_YUV444P12
#define PIX_FMT_YUV420P14 AV_PIX_FMT_YUV420P14
#define PIX_FMT_YUV422P14 AV_PIX_FMT_YUV422P14
#define PIX_FMT_YUV444P14 AV_PIX_FMT_YUV444P14
#define PIX_FMT_YUV420P16 AV_PIX_FMT_YUV420P16
#define PIX_FMT_YUV422P16 AV_PIX_FMT_YUV422P16
#define PIX_FMT_YUV444P16 AV_PIX_FMT_YUV444P16
#define PIX_FMT_RGBA64 AV_PIX_FMT_RGBA64
#define PIX_FMT_BGRA64 AV_PIX_FMT_BGRA64
#define PIX_FMT_GBRP9 AV_PIX_FMT_GBRP9
#define PIX_FMT_GBRP10 AV_PIX_FMT_GBRP10
#define PIX_FMT_GBRP12 AV_PIX_FMT_GBRP12
#define PIX_FMT_GBRP14 AV_PIX_FMT_GBRP14
#define PIX_FMT_GBRP16 AV_PIX_FMT_GBRP16
#endif
#endif /* AVUTIL_PIXFMT_H */

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@ -22,10 +22,22 @@
#define AVUTIL_RANDOM_SEED_H
#include <stdint.h>
/**
* @addtogroup lavu_crypto
* @{
*/
/**
* Get a seed to use in conjunction with random functions.
* This function tries to provide a good seed at a best effort bases.
* Its possible to call this function multiple times if more bits are needed.
* It can be quite slow, which is why it should only be used as seed for a faster
* PRNG. The quality of the seed depends on the platform.
*/
uint32_t av_get_random_seed(void);
/**
* @}
*/
#endif /* AVUTIL_RANDOM_SEED_H */

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branches/2.0/doubango/thirdparties/win32/include/libavutil/rational.h
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@ -29,8 +29,14 @@
#define AVUTIL_RATIONAL_H
#include <stdint.h>
#include <limits.h>
#include "attributes.h"
/**
* @addtogroup lavu_math
* @{
*/
/**
* rational number numerator/denominator
*/
@ -43,13 +49,16 @@ typedef struct AVRational{
* Compare two rationals.
* @param a first rational
* @param b second rational
* @return 0 if a==b, 1 if a>b and -1 if a<b
* @return 0 if a==b, 1 if a>b, -1 if a<b, and INT_MIN if one of the
* values is of the form 0/0
*/
static inline int av_cmp_q(AVRational a, AVRational b){
const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
if(tmp) return (tmp>>63)|1;
else return 0;
if(tmp) return ((tmp ^ a.den ^ b.den)>>63)|1;
else if(b.den && a.den) return 0;
else if(a.num && b.num) return (a.num>>31) - (b.num>>31);
else return INT_MIN;
}
/**
@ -105,8 +114,21 @@ AVRational av_add_q(AVRational b, AVRational c) av_const;
*/
AVRational av_sub_q(AVRational b, AVRational c) av_const;
/**
* Invert a rational.
* @param q value
* @return 1 / q
*/
static av_always_inline AVRational av_inv_q(AVRational q)
{
AVRational r = { q.den, q.num };
return r;
}
/**
* Convert a double precision floating point number to a rational.
* inf is expressed as {1,0} or {-1,0} depending on the sign.
*
* @param d double to convert
* @param max the maximum allowed numerator and denominator
* @return (AVRational) d
@ -126,4 +148,8 @@ int av_nearer_q(AVRational q, AVRational q1, AVRational q2);
*/
int av_find_nearest_q_idx(AVRational q, const AVRational* q_list);
/**
* @}
*/
#endif /* AVUTIL_RATIONAL_H */

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@ -0,0 +1,243 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_SAMPLEFMT_H
#define AVUTIL_SAMPLEFMT_H
#include <stdint.h>
#include "avutil.h"
#include "attributes.h"
/**
* Audio Sample Formats
*
* @par
* The data described by the sample format is always in native-endian order.
* Sample values can be expressed by native C types, hence the lack of a signed
* 24-bit sample format even though it is a common raw audio data format.
*
* @par
* The floating-point formats are based on full volume being in the range
* [-1.0, 1.0]. Any values outside this range are beyond full volume level.
*
* @par
* The data layout as used in av_samples_fill_arrays() and elsewhere in FFmpeg
* (such as AVFrame in libavcodec) is as follows:
*
* For planar sample formats, each audio channel is in a separate data plane,
* and linesize is the buffer size, in bytes, for a single plane. All data
* planes must be the same size. For packed sample formats, only the first data
* plane is used, and samples for each channel are interleaved. In this case,
* linesize is the buffer size, in bytes, for the 1 plane.
*/
enum AVSampleFormat {
AV_SAMPLE_FMT_NONE = -1,
AV_SAMPLE_FMT_U8, ///< unsigned 8 bits
AV_SAMPLE_FMT_S16, ///< signed 16 bits
AV_SAMPLE_FMT_S32, ///< signed 32 bits
AV_SAMPLE_FMT_FLT, ///< float
AV_SAMPLE_FMT_DBL, ///< double
AV_SAMPLE_FMT_U8P, ///< unsigned 8 bits, planar
AV_SAMPLE_FMT_S16P, ///< signed 16 bits, planar
AV_SAMPLE_FMT_S32P, ///< signed 32 bits, planar
AV_SAMPLE_FMT_FLTP, ///< float, planar
AV_SAMPLE_FMT_DBLP, ///< double, planar
AV_SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if linking dynamically
};
/**
* Return the name of sample_fmt, or NULL if sample_fmt is not
* recognized.
*/
const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt);
/**
* Return a sample format corresponding to name, or AV_SAMPLE_FMT_NONE
* on error.
*/
enum AVSampleFormat av_get_sample_fmt(const char *name);
/**
* Return the planar<->packed alternative form of the given sample format, or
* AV_SAMPLE_FMT_NONE on error. If the passed sample_fmt is already in the
* requested planar/packed format, the format returned is the same as the
* input.
*/
enum AVSampleFormat av_get_alt_sample_fmt(enum AVSampleFormat sample_fmt, int planar);
/**
* Get the packed alternative form of the given sample format.
*
* If the passed sample_fmt is already in packed format, the format returned is
* the same as the input.
*
* @return the packed alternative form of the given sample format or
AV_SAMPLE_FMT_NONE on error.
*/
enum AVSampleFormat av_get_packed_sample_fmt(enum AVSampleFormat sample_fmt);
/**
* Get the planar alternative form of the given sample format.
*
* If the passed sample_fmt is already in planar format, the format returned is
* the same as the input.
*
* @return the planar alternative form of the given sample format or
AV_SAMPLE_FMT_NONE on error.
*/
enum AVSampleFormat av_get_planar_sample_fmt(enum AVSampleFormat sample_fmt);
/**
* Generate a string corresponding to the sample format with
* sample_fmt, or a header if sample_fmt is negative.
*
* @param buf the buffer where to write the string
* @param buf_size the size of buf
* @param sample_fmt the number of the sample format to print the
* corresponding info string, or a negative value to print the
* corresponding header.
* @return the pointer to the filled buffer or NULL if sample_fmt is
* unknown or in case of other errors
*/
char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt);
#if FF_API_GET_BITS_PER_SAMPLE_FMT
/**
* @deprecated Use av_get_bytes_per_sample() instead.
*/
attribute_deprecated
int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt);
#endif
/**
* Return number of bytes per sample.
*
* @param sample_fmt the sample format
* @return number of bytes per sample or zero if unknown for the given
* sample format
*/
int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt);
/**
* Check if the sample format is planar.
*
* @param sample_fmt the sample format to inspect
* @return 1 if the sample format is planar, 0 if it is interleaved
*/
int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt);
/**
* Get the required buffer size for the given audio parameters.
*
* @param[out] linesize calculated linesize, may be NULL
* @param nb_channels the number of channels
* @param nb_samples the number of samples in a single channel
* @param sample_fmt the sample format
* @param align buffer size alignment (0 = default, 1 = no alignment)
* @return required buffer size, or negative error code on failure
*/
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align);
/**
* Fill plane data pointers and linesize for samples with sample
* format sample_fmt.
*
* The audio_data array is filled with the pointers to the samples data planes:
* for planar, set the start point of each channel's data within the buffer,
* for packed, set the start point of the entire buffer only.
*
* The value pointed to by linesize is set to the aligned size of each
* channel's data buffer for planar layout, or to the aligned size of the
* buffer for all channels for packed layout.
*
* The buffer in buf must be big enough to contain all the samples
* (use av_samples_get_buffer_size() to compute its minimum size),
* otherwise the audio_data pointers will point to invalid data.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param[out] audio_data array to be filled with the pointer for each channel
* @param[out] linesize calculated linesize, may be NULL
* @param buf the pointer to a buffer containing the samples
* @param nb_channels the number of channels
* @param nb_samples the number of samples in a single channel
* @param sample_fmt the sample format
* @param align buffer size alignment (0 = default, 1 = no alignment)
* @return >=0 on success or a negative error code on failure
* @todo return minimum size in bytes required for the buffer in case
* of success at the next bump
*/
int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
const uint8_t *buf,
int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align);
/**
* Allocate a samples buffer for nb_samples samples, and fill data pointers and
* linesize accordingly.
* The allocated samples buffer can be freed by using av_freep(&audio_data[0])
* Allocated data will be initialized to silence.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.
*
* @param[out] audio_data array to be filled with the pointer for each channel
* @param[out] linesize aligned size for audio buffer(s), may be NULL
* @param nb_channels number of audio channels
* @param nb_samples number of samples per channel
* @param align buffer size alignment (0 = default, 1 = no alignment)
* @return >=0 on success or a negative error code on failure
* @todo return the size of the allocated buffer in case of success at the next bump
* @see av_samples_fill_arrays()
*/
int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
int nb_samples, enum AVSampleFormat sample_fmt, int align);
/**
* Copy samples from src to dst.
*
* @param dst destination array of pointers to data planes
* @param src source array of pointers to data planes
* @param dst_offset offset in samples at which the data will be written to dst
* @param src_offset offset in samples at which the data will be read from src
* @param nb_samples number of samples to be copied
* @param nb_channels number of audio channels
* @param sample_fmt audio sample format
*/
int av_samples_copy(uint8_t **dst, uint8_t * const *src, int dst_offset,
int src_offset, int nb_samples, int nb_channels,
enum AVSampleFormat sample_fmt);
/**
* Fill an audio buffer with silence.
*
* @param audio_data array of pointers to data planes
* @param offset offset in samples at which to start filling
* @param nb_samples number of samples to fill
* @param nb_channels number of audio channels
* @param sample_fmt audio sample format
*/
int av_samples_set_silence(uint8_t **audio_data, int offset, int nb_samples,
int nb_channels, enum AVSampleFormat sample_fmt);
#endif /* AVUTIL_SAMPLEFMT_H */

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/*
* Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_SHA_H
#define AVUTIL_SHA_H
#include <stdint.h>
#include "attributes.h"
#include "version.h"
/**
* @defgroup lavu_sha SHA
* @ingroup lavu_crypto
* @{
*/
extern const int av_sha_size;
struct AVSHA;
/**
* Allocate an AVSHA context.
*/
struct AVSHA *av_sha_alloc(void);
/**
* Initialize SHA-1 or SHA-2 hashing.
*
* @param context pointer to the function context (of size av_sha_size)
* @param bits number of bits in digest (SHA-1 - 160 bits, SHA-2 224 or 256 bits)
* @return zero if initialization succeeded, -1 otherwise
*/
int av_sha_init(struct AVSHA* context, int bits);
/**
* Update hash value.
*
* @param context hash function context
* @param data input data to update hash with
* @param len input data length
*/
void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);
/**
* Finish hashing and output digest value.
*
* @param context hash function context
* @param digest buffer where output digest value is stored
*/
void av_sha_final(struct AVSHA* context, uint8_t *digest);
/**
* @}
*/
#endif /* AVUTIL_SHA_H */

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@ -0,0 +1,41 @@
/*
* Copyright (c) 2000-2003 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_TIME_H
#define AVUTIL_TIME_H
#include <stdint.h>
/**
* Get the current time in microseconds.
*/
int64_t av_gettime(void);
/**
* Sleep for a period of time. Although the duration is expressed in
* microseconds, the actual delay may be rounded to the precision of the
* system timer.
*
* @param usec Number of microseconds to sleep.
* @return zero on success or (negative) error code.
*/
int av_usleep(unsigned usec);
#endif /* AVUTIL_TIME_H */

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@ -0,0 +1,140 @@
/*
* Copyright (c) 2006 Smartjog S.A.S, Baptiste Coudurier <baptiste.coudurier@gmail.com>
* Copyright (c) 2011-2012 Smartjog S.A.S, Clément Bœsch <clement.boesch@smartjog.com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Timecode helpers header
*/
#ifndef AVUTIL_TIMECODE_H
#define AVUTIL_TIMECODE_H
#include <stdint.h>
#include "rational.h"
#define AV_TIMECODE_STR_SIZE 16
enum AVTimecodeFlag {
AV_TIMECODE_FLAG_DROPFRAME = 1<<0, ///< timecode is drop frame
AV_TIMECODE_FLAG_24HOURSMAX = 1<<1, ///< timecode wraps after 24 hours
AV_TIMECODE_FLAG_ALLOWNEGATIVE = 1<<2, ///< negative time values are allowed
};
typedef struct {
int start; ///< timecode frame start (first base frame number)
uint32_t flags; ///< flags such as drop frame, +24 hours support, ...
AVRational rate; ///< frame rate in rational form
unsigned fps; ///< frame per second; must be consistent with the rate field
} AVTimecode;
/**
* Adjust frame number for NTSC drop frame time code.
*
* @param framenum frame number to adjust
* @param fps frame per second, 30 or 60
* @return adjusted frame number
* @warning adjustment is only valid in NTSC 29.97 and 59.94
*/
int av_timecode_adjust_ntsc_framenum2(int framenum, int fps);
/**
* Convert frame number to SMPTE 12M binary representation.
*
* @param tc timecode data correctly initialized
* @param framenum frame number
* @return the SMPTE binary representation
*
* @note Frame number adjustment is automatically done in case of drop timecode,
* you do NOT have to call av_timecode_adjust_ntsc_framenum2().
* @note The frame number is relative to tc->start.
* @note Color frame (CF), binary group flags (BGF) and biphase mark polarity
* correction (PC) bits are set to zero.
*/
uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum);
/**
* Load timecode string in buf.
*
* @param buf destination buffer, must be at least AV_TIMECODE_STR_SIZE long
* @param tc timecode data correctly initialized
* @param framenum frame number
* @return the buf parameter
*
* @note Timecode representation can be a negative timecode and have more than
* 24 hours, but will only be honored if the flags are correctly set.
* @note The frame number is relative to tc->start.
*/
char *av_timecode_make_string(const AVTimecode *tc, char *buf, int framenum);
/**
* Get the timecode string from the SMPTE timecode format.
*
* @param buf destination buffer, must be at least AV_TIMECODE_STR_SIZE long
* @param tcsmpte the 32-bit SMPTE timecode
* @param prevent_df prevent the use of a drop flag when it is known the DF bit
* is arbitrary
* @return the buf parameter
*/
char *av_timecode_make_smpte_tc_string(char *buf, uint32_t tcsmpte, int prevent_df);
/**
* Get the timecode string from the 25-bit timecode format (MPEG GOP format).
*
* @param buf destination buffer, must be at least AV_TIMECODE_STR_SIZE long
* @param tc25bit the 25-bits timecode
* @return the buf parameter
*/
char *av_timecode_make_mpeg_tc_string(char *buf, uint32_t tc25bit);
/**
* Init a timecode struct with the passed parameters.
*
* @param log_ctx a pointer to an arbitrary struct of which the first field
* is a pointer to an AVClass struct (used for av_log)
* @param tc pointer to an allocated AVTimecode
* @param rate frame rate in rational form
* @param flags miscellaneous flags such as drop frame, +24 hours, ...
* (see AVTimecodeFlag)
* @param frame_start the first frame number
* @return 0 on success, AVERROR otherwise
*/
int av_timecode_init(AVTimecode *tc, AVRational rate, int flags, int frame_start, void *log_ctx);
/**
* Parse timecode representation (hh:mm:ss[:;.]ff).
*
* @param log_ctx a pointer to an arbitrary struct of which the first field is a
* pointer to an AVClass struct (used for av_log).
* @param tc pointer to an allocated AVTimecode
* @param rate frame rate in rational form
* @param str timecode string which will determine the frame start
* @return 0 on success, AVERROR otherwise
*/
int av_timecode_init_from_string(AVTimecode *tc, AVRational rate, const char *str, void *log_ctx);
/**
* Check if the timecode feature is available for the given frame rate
*
* @return 0 if supported, <0 otherwise
*/
int av_timecode_check_frame_rate(AVRational rate);
#endif /* AVUTIL_TIMECODE_H */

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