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asterisk/addons/ooh323cDriver.c

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/*
* Copyright (C) 2004-2005 by Objective Systems, Inc.
*
* This software is furnished under an open source license and may be
* used and copied only in accordance with the terms of this license.
* The text of the license may generally be found in the root
* directory of this installation in the COPYING file. It
* can also be viewed online at the following URL:
*
* http://www.obj-sys.com/open/license.html
*
* Any redistributions of this file including modified versions must
* maintain this copyright notice.
*
*****************************************************************************/
#include "ooh323cDriver.h"
#include <asterisk/pbx.h>
#include <asterisk/logger.h>
#include <asterisk/options.h>
extern OOBOOL gH323Debug;
/* ooh323c stack thread. */
static pthread_t ooh323c_thread = AST_PTHREADT_NULL;
static int grxframes = 240;
static int gtxframes = 20;
int ooh323c_start_receive_channel(ooCallData *call, ooLogicalChannel *pChannel);
int ooh323c_start_transmit_channel(ooCallData *call, ooLogicalChannel *pChannel);
int ooh323c_stop_receive_channel(ooCallData *call, ooLogicalChannel *pChannel);
int ooh323c_stop_transmit_channel(ooCallData *call, ooLogicalChannel *pChannel);
void* ooh323c_stack_thread(void* dummy)
{
ooMonitorChannels();
return dummy;
}
int ooh323c_start_stack_thread()
{
if(ast_pthread_create(&ooh323c_thread, NULL, ooh323c_stack_thread, NULL) < 0)
{
ast_log(LOG_ERROR, "Unable to start ooh323c thread.\n");
return -1;
}
return 0;
}
int ooh323c_stop_stack_thread(void)
{
if(ooh323c_thread != AST_PTHREADT_NULL)
{
ooStopMonitor();
pthread_join(ooh323c_thread, NULL);
ooh323c_thread = AST_PTHREADT_NULL;
}
return 0;
}
int ooh323c_set_capability
(struct ast_codec_pref *prefs, int capability, int dtmf)
{
int ret, x, format=0;
if(gH323Debug)
ast_verbose("\tAdding capabilities to H323 endpoint\n");
for(x=0; 0 != (format=ast_codec_pref_index(prefs, x)); x++)
{
if(format & AST_FORMAT_ULAW)
{
if(gH323Debug)
ast_verbose("\tAdding g711 ulaw capability to H323 endpoint\n");
ret= ooH323EpAddG711Capability(OO_G711ULAW64K, gtxframes, grxframes,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_ALAW)
{
if(gH323Debug)
ast_verbose("\tAdding g711 alaw capability to H323 endpoint\n");
ret= ooH323EpAddG711Capability(OO_G711ALAW64K, gtxframes, grxframes,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_G729A)
{
if(gH323Debug)
ast_verbose("\tAdding g729A capability to H323 endpoint\n");
ret = ooH323EpAddG729Capability(OO_G729A, 2, 24,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
if(gH323Debug)
ast_verbose("\tAdding g729 capability to H323 endpoint\n");
ret |= ooH323EpAddG729Capability(OO_G729, 2, 24,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_G723_1)
{
if(gH323Debug)
ast_verbose("\tAdding g7231 capability to H323 endpoint\n");
ret = ooH323EpAddG7231Capability(OO_G7231, 4, 7, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_H263)
{
if(gH323Debug)
ast_verbose("\tAdding h263 capability to H323 endpoint\n");
ret = ooH323EpAddH263VideoCapability(OO_H263VIDEO, 1, 0, 0, 0, 0, 320*1024,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_GSM)
{
if(gH323Debug)
ast_verbose("\tAdding gsm capability to H323 endpoint\n");
ret = ooH323EpAddGSMCapability(OO_GSMFULLRATE, 4, FALSE, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
}
if(dtmf & H323_DTMF_RFC2833)
ret |= ooH323EpEnableDTMFRFC2833(0);
else if(dtmf & H323_DTMF_H245ALPHANUMERIC)
ret |= ooH323EpEnableDTMFH245Alphanumeric();
else if(dtmf & H323_DTMF_H245SIGNAL)
ret |= ooH323EpEnableDTMFH245Signal();
return ret;
}
int ooh323c_set_capability_for_call
(ooCallData *call, struct ast_codec_pref *prefs, int capability, int dtmf)
{
int ret, x, txframes;
int format=0;
if(gH323Debug)
ast_verbose("\tAdding capabilities to call(%s, %s)\n", call->callType,
call->callToken);
if(dtmf & H323_DTMF_RFC2833)
ret |= ooCallEnableDTMFRFC2833(call,0);
else if(dtmf & H323_DTMF_H245ALPHANUMERIC)
ret |= ooCallEnableDTMFH245Alphanumeric(call);
else if(dtmf & H323_DTMF_H245SIGNAL)
ret |= ooCallEnableDTMFH245Signal(call);
for(x=0; 0 !=(format=ast_codec_pref_index(prefs, x)); x++)
{
if(format & AST_FORMAT_ULAW)
{
if(gH323Debug)
ast_verbose("\tAdding g711 ulaw capability to call(%s, %s)\n",
call->callType, call->callToken);
txframes = prefs->framing[x];
ret= ooCallAddG711Capability(call, OO_G711ULAW64K, txframes,
grxframes, OORXANDTX,
&ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_ALAW)
{
if(gH323Debug)
ast_verbose("\tAdding g711 alaw capability to call(%s, %s)\n",
call->callType, call->callToken);
txframes = prefs->framing[x];
ret= ooCallAddG711Capability(call, OO_G711ALAW64K, txframes,
grxframes, OORXANDTX,
&ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_G729A)
{
if(gH323Debug)
ast_verbose("\tAdding g729A capability to call(%s, %s)\n",
call->callType, call->callToken);
txframes = (prefs->framing[x])/10;
ret= ooCallAddG729Capability(call, OO_G729A, txframes, 24,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
if(gH323Debug)
ast_verbose("\tAdding g729 capability to call(%s, %s)\n",
call->callType, call->callToken);
ret|= ooCallAddG729Capability(call, OO_G729, txframes, 24,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_G723_1)
{
if(gH323Debug)
ast_verbose("\tAdding g7231 capability to call (%s, %s)\n",
call->callType, call->callToken);
ret = ooCallAddG7231Capability(call, OO_G7231, 4, 7, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_H263)
{
if(gH323Debug)
ast_verbose("\tAdding h263 capability to call (%s, %s)\n",
call->callType, call->callToken);
ret = ooCallAddH263VideoCapability(call, OO_H263VIDEO, 1, 0, 0, 0, 0, 320*1024,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(format & AST_FORMAT_GSM)
{
if(gH323Debug)
ast_verbose("\tAdding gsm capability to call(%s, %s)\n",
call->callType, call->callToken);
ret = ooCallAddGSMCapability(call, OO_GSMFULLRATE, 4, FALSE, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
}
}
int ooh323c_set_aliases(ooAliases * aliases)
{
ooAliases *cur = aliases;
while(cur)
{
switch(cur->type)
{
case T_H225AliasAddress_dialedDigits:
ooH323EpAddAliasDialedDigits(cur->value);
break;
case T_H225AliasAddress_h323_ID:
ooH323EpAddAliasH323ID(cur->value);
break;
case T_H225AliasAddress_url_ID:
ooH323EpAddAliasURLID(cur->value);
break;
case T_H225AliasAddress_email_ID:
ooH323EpAddAliasEmailID(cur->value);
break;
default:
ast_debug(1, "Ignoring unknown alias type\n");
}
cur = cur->next;
}
return 1;
}
int ooh323c_start_receive_channel(ooCallData *call, ooLogicalChannel *pChannel)
{
int fmt=-1;
fmt = convertH323CapToAsteriskCap(pChannel->chanCap->cap);
if(fmt>0)
ooh323_set_read_format(call, fmt);
else{
ast_log(LOG_ERROR, "Invalid capability type for receive channel %s\n",
call->callToken);
return -1;
}
return 1;
}
int ooh323c_start_transmit_channel(ooCallData *call, ooLogicalChannel *pChannel)
{
int fmt=-1;
fmt = convertH323CapToAsteriskCap(pChannel->chanCap->cap);
if(fmt>0)
ooh323_set_write_format(call, fmt);
else{
ast_log(LOG_ERROR, "Invalid capability type for receive channel %s\n",
call->callToken);
return -1;
}
setup_rtp_connection(call, pChannel->remoteIP, pChannel->remoteMediaPort);
return 1;
}
int ooh323c_stop_receive_channel(ooCallData *call, ooLogicalChannel *pChannel)
{
return 1;
}
int ooh323c_stop_transmit_channel(ooCallData *call, ooLogicalChannel *pChannel)
{
close_rtp_connection(call);
return 1;
}
int convertH323CapToAsteriskCap(int cap)
{
switch(cap)
{
case OO_G711ULAW64K:
return AST_FORMAT_ULAW;
case OO_G711ALAW64K:
return AST_FORMAT_ALAW;
case OO_GSMFULLRATE:
return AST_FORMAT_GSM;
case OO_G729:
return AST_FORMAT_G729A;
case OO_G729A:
return AST_FORMAT_G729A;
case OO_G7231:
return AST_FORMAT_G723_1;
case OO_H263VIDEO:
return AST_FORMAT_H263;
default:
ast_debug(1, "Cap %d is not supported by driver yet\n", cap);
return -1;
}
return -1;
}
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