165 lines
3.6 KiB
C
165 lines
3.6 KiB
C
/*
|
|
** Copyright (C) 2008-2012 Erik de Castro Lopo <erikd@mega-nerd.com>
|
|
**
|
|
** This program 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.
|
|
**
|
|
** This program 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 this program ; if not, write to the Free Software
|
|
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#include "sfconfig.h"
|
|
|
|
#include <stdio.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <time.h>
|
|
#include <math.h>
|
|
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include "sndfile.h"
|
|
#include "sfendian.h"
|
|
#include "common.h"
|
|
|
|
#if (ENABLE_EXPERIMENTAL_CODE && HAVE_EXTERNAL_LIBS)
|
|
|
|
#include <ogg/ogg.h>
|
|
|
|
#include "ogg.h"
|
|
|
|
typedef struct
|
|
{ int32_t serialno ;
|
|
|
|
|
|
void * state ;
|
|
} OPCM_PRIVATE ;
|
|
|
|
static int opcm_read_header (SF_PRIVATE * psf) ;
|
|
static int opcm_close (SF_PRIVATE *psf) ;
|
|
|
|
int
|
|
ogg_pcm_open (SF_PRIVATE *psf)
|
|
{ OGG_PRIVATE* odata = psf->container_data ;
|
|
OPCM_PRIVATE* opcm = calloc (1, sizeof (OPCM_PRIVATE)) ;
|
|
int error = 0 ;
|
|
|
|
if (odata == NULL)
|
|
{ psf_log_printf (psf, "%s : odata is NULL???\n", __func__) ;
|
|
return SFE_INTERNAL ;
|
|
} ;
|
|
|
|
psf->codec_data = opcm ;
|
|
if (opcm == NULL)
|
|
return SFE_MALLOC_FAILED ;
|
|
|
|
if (psf->file.mode == SFM_RDWR)
|
|
return SFE_BAD_MODE_RW ;
|
|
|
|
if (psf->file.mode == SFM_READ)
|
|
{ /* Call this here so it only gets called once, so no memory is leaked. */
|
|
ogg_sync_init (&odata->osync) ;
|
|
|
|
if ((error = opcm_read_header (psf)))
|
|
return error ;
|
|
|
|
#if 0
|
|
psf->read_short = opcm_read_s ;
|
|
psf->read_int = opcm_read_i ;
|
|
psf->read_float = opcm_read_f ;
|
|
psf->read_double = opcm_read_d ;
|
|
psf->sf.frames = opcm_length (psf) ;
|
|
#endif
|
|
} ;
|
|
|
|
psf->codec_close = opcm_close ;
|
|
|
|
if (psf->file.mode == SFM_WRITE)
|
|
{
|
|
#if 0
|
|
/* Set the default opcm quality here. */
|
|
vdata->quality = 0.4 ;
|
|
|
|
psf->write_header = opcm_write_header ;
|
|
psf->write_short = opcm_write_s ;
|
|
psf->write_int = opcm_write_i ;
|
|
psf->write_float = opcm_write_f ;
|
|
psf->write_double = opcm_write_d ;
|
|
#endif
|
|
|
|
psf->sf.frames = SF_COUNT_MAX ; /* Unknown really */
|
|
psf->strings.flags = SF_STR_ALLOW_START ;
|
|
} ;
|
|
|
|
psf->bytewidth = 1 ;
|
|
psf->blockwidth = psf->bytewidth * psf->sf.channels ;
|
|
|
|
#if 0
|
|
psf->seek = opcm_seek ;
|
|
psf->command = opcm_command ;
|
|
#endif
|
|
|
|
/* FIXME, FIXME, FIXME : Hack these here for now and correct later. */
|
|
psf->sf.format = SF_FORMAT_OGG | SF_FORMAT_SPEEX ;
|
|
psf->sf.sections = 1 ;
|
|
|
|
psf->datalength = 1 ;
|
|
psf->dataoffset = 0 ;
|
|
/* End FIXME. */
|
|
|
|
return error ;
|
|
} /* ogg_pcm_open */
|
|
|
|
static int
|
|
opcm_read_header (SF_PRIVATE * UNUSED (psf))
|
|
{
|
|
return 0 ;
|
|
} /* opcm_read_header */
|
|
|
|
static int
|
|
opcm_close (SF_PRIVATE * UNUSED (psf))
|
|
{
|
|
|
|
|
|
return 0 ;
|
|
} /* opcm_close */
|
|
|
|
|
|
|
|
/*
|
|
encoded_speex_frames = (frames_per_packet * Packets)
|
|
= 1 * 272
|
|
= 272
|
|
|
|
audio_samples = encoded_speex_frames * frame_size
|
|
= 272 * 640
|
|
= 174080
|
|
|
|
duration = audio_samples / rate
|
|
= 174080 / 44100
|
|
= 3.947
|
|
*/
|
|
|
|
#else /* ENABLE_EXPERIMENTAL_CODE && HAVE_EXTERNAL_LIBS */
|
|
|
|
int
|
|
ogg_pcm_open (SF_PRIVATE *psf)
|
|
{
|
|
psf_log_printf (psf, "This version of libsndfile was compiled without Ogg/Speex support.\n") ;
|
|
return SFE_UNIMPLEMENTED ;
|
|
} /* ogg_pcm_open */
|
|
|
|
#endif
|