int ast_codec_pref_string(struct ast_codec_pref *pref, char *buf, size_t size)
{
int x;
struct ast_format format;
size_t total_len, slen;
const char *formatname;
memset(buf, 0, size);
total_len = size;
buf[0] = '(';
total_len--;
for (x = 0; x < AST_CODEC_PREF_SIZE; x++) {
if (total_len <= 0)
break;
if (!(ast_codec_pref_index(pref, x, &format)))
break;
if ((formatname = ast_getformatname(&format))) {
slen = strlen(formatname);
if (slen > total_len)
break;
strncat(buf, formatname, total_len - 1); /* safe */
total_len -= slen;
}
if (total_len && x < AST_CODEC_PREF_SIZE - 1 && ast_codec_pref_index(pref, x + 1, &format)) {
strncat(buf, "|", total_len - 1); /* safe */
total_len--;
}
}
if (total_len) {
strncat(buf, ")", total_len - 1); /* safe */
total_len--;
}
return size - total_len;
}
static int codec_pref_has_type(struct ast_codec_pref *prefs, enum ast_format_type media_type)
{
int i;
struct ast_format fmt;
for (i = 0; ast_codec_pref_index(prefs, i, &fmt); ++i) {
if (AST_FORMAT_GET_TYPE(fmt.id) == media_type) {
return 1;
}
}
return 0;
}
int ooh323c_set_capability_for_call
(ooCallData *call, struct ast_codec_pref *prefs, struct ast_format_cap *cap, int dtmf, int dtmfcodec,
int t38support, int g729onlyA)
{
int ret = 0, x, txframes;
struct ast_format tmpfmt;
if(gH323Debug)
ast_verbose("\tAdding capabilities to call(%s, %s)\n", call->callType,
call->callToken);
if(dtmf & H323_DTMF_CISCO || 1)
ret |= ooCallEnableDTMFCISCO(call,dtmfcodec);
if(dtmf & H323_DTMF_RFC2833 || 1)
ret |= ooCallEnableDTMFRFC2833(call,dtmfcodec);
if(dtmf & H323_DTMF_H245ALPHANUMERIC || 1)
ret |= ooCallEnableDTMFH245Alphanumeric(call);
if(dtmf & H323_DTMF_H245SIGNAL || 1)
ret |= ooCallEnableDTMFH245Signal(call);
if (t38support)
ooCapabilityAddT38Capability(call, OO_T38, OORXANDTX,
&ooh323c_start_receive_datachannel,
&ooh323c_start_transmit_datachannel,
&ooh323c_stop_receive_datachannel,
&ooh323c_stop_transmit_datachannel,
0);
for(x=0; ast_codec_pref_index(prefs, x, &tmpfmt); x++)
{
if(tmpfmt.id == 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,
txframes, OORXANDTX,
&ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == 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,
txframes, OORXANDTX,
&ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == AST_FORMAT_G726)
{
if(gH323Debug)
ast_verbose("\tAdding g726 capability to call (%s, %s)\n",
call->callType, call->callToken);
txframes = prefs->framing[x];
ret = ooCallAddG726Capability(call, OO_G726, txframes, grxframes, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == AST_FORMAT_G726_AAL2)
{
if(gH323Debug)
ast_verbose("\tAdding g726aal2 capability to call (%s, %s)\n",
call->callType, call->callToken);
txframes = prefs->framing[x];
ret = ooCallAddG726Capability(call, OO_G726AAL2, txframes, grxframes, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == AST_FORMAT_G729A)
{
txframes = (prefs->framing[x])/10;
if(gH323Debug)
ast_verbose("\tAdding g729A capability to call(%s, %s)\n",
call->callType, call->callToken);
ret= ooCallAddG729Capability(call, OO_G729A, txframes, txframes,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
if (g729onlyA)
continue;
if(gH323Debug)
ast_verbose("\tAdding g729 capability to call(%s, %s)\n",
call->callType, call->callToken);
ret|= ooCallAddG729Capability(call, OO_G729, txframes, txframes,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
if(gH323Debug)
ast_verbose("\tAdding g729B capability to call(%s, %s)\n",
call->callType, call->callToken);
ret|= ooCallAddG729Capability(call, OO_G729B, txframes, txframes,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == 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, 1, 1, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == 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(tmpfmt.id == 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);
}
#ifdef AST_FORMAT_AMRNB
if(tmpfmt.id == AST_FORMAT_AMRNB)
{
if(gH323Debug)
ast_verbose("\tAdding AMR capability to call(%s, %s)\n",
call->callType, call->callToken);
ret = ooCallAddAMRNBCapability(call, OO_AMRNB, 4, 4, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
#endif
#ifdef AST_FORMAT_SPEEX
if(tmpfmt.id == AST_FORMAT_SPEEX)
{
if(gH323Debug)
ast_verbose("\tAdding Speex capability to call(%s, %s)\n",
call->callType, call->callToken);
ret = ooCallAddSpeexCapability(call, OO_SPEEX, 4, 4, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
#endif
}
return ret;
}
int ooh323c_set_capability
(struct ast_codec_pref *prefs, struct ast_format_cap *cap, int dtmf, int dtmfcodec)
{
int ret = 0, x;
struct ast_format tmpfmt;
if(gH323Debug)
ast_verbose("\tAdding capabilities to H323 endpoint\n");
for(x=0; ast_codec_pref_index(prefs, x, &tmpfmt); x++)
{
if(tmpfmt.id == 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(tmpfmt.id == 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(tmpfmt.id == 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(gH323Debug)
ast_verbose("\tAdding g729b capability to H323 endpoint\n");
ret |= ooH323EpAddG729Capability(OO_G729B, 2, 24,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == AST_FORMAT_G723_1)
{
if(gH323Debug)
ast_verbose("\tAdding g7231 capability to H323 endpoint\n");
ret = ooH323EpAddG7231Capability(OO_G7231, 1, 1, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == AST_FORMAT_G726)
{
if(gH323Debug)
ast_verbose("\tAdding g726 capability to H323 endpoint\n");
ret = ooH323EpAddG726Capability(OO_G726, gtxframes, grxframes, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == AST_FORMAT_G726_AAL2)
{
if(gH323Debug)
ast_verbose("\tAdding g726aal2 capability to H323 endpoint\n");
ret = ooH323EpAddG726Capability(OO_G726AAL2, gtxframes, grxframes, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
if(tmpfmt.id == 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(tmpfmt.id == 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);
}
#ifdef AST_FORMAT_AMRNB
if(tmpfmt.id == AST_FORMAT_AMRNB)
{
if(gH323Debug)
ast_verbose("\tAdding amr nb capability to H323 endpoint\n");
ret = ooH323EpAddAMRNBCapability(OO_AMRNB, 4, 4, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
#endif
#ifdef AST_FORMAT_SPEEX
if(tmpfmt.id == AST_FORMAT_SPEEX)
{
if(gH323Debug)
ast_verbose("\tAdding speex capability to H323 endpoint\n");
ret = ooH323EpAddSpeexCapability(OO_SPEEX, 4, 4, FALSE,
OORXANDTX, &ooh323c_start_receive_channel,
&ooh323c_start_transmit_channel,
&ooh323c_stop_receive_channel,
&ooh323c_stop_transmit_channel);
}
#endif
}
if(dtmf & H323_DTMF_CISCO)
ret |= ooH323EpEnableDTMFCISCO(0);
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;
}