int ph_media_supported_payload(ph_media_payload_t *pt, const char *ptstring)
{
PayloadType *rtppt;
pt->number = rtp_profile_get_payload_number_from_rtpmap(&av_profile, ptstring);
if (pt->number == -1)
return 0;
rtppt = rtp_profile_get_payload(&av_profile, pt->number);
strncpy(pt->string, rtppt->mime_type, sizeof(pt->string));
pt->rate = rtppt->clock_rate;
return 1;
}
PayloadType * sipomatic_payload_is_supported(sdp_payload_t *payload,RtpProfile *local_profile,RtpProfile *dialog_profile)
{
int localpt;
if (payload->a_rtpmap!=NULL){
localpt=rtp_profile_get_payload_number_from_rtpmap(local_profile,payload->a_rtpmap);
}else{
localpt=payload->pt;
ms_warning("payload has no rtpmap.");
}
if (localpt>=0){
/* this payload is supported in our local rtp profile, so add it to the dialog rtp
profile */
PayloadType *rtppayload;
rtppayload=rtp_profile_get_payload(local_profile,localpt);
if (rtppayload==NULL) return NULL;
/*check if we have the appropriate coder/decoder for this payload */
if (strcmp(rtppayload->mime_type,"telephone-event")!=0) {
if (!ms_filter_codec_supported(rtppayload->mime_type)) {
ms_message("Codec %s is not supported.", rtppayload->mime_type);
return NULL;
}
}
rtppayload=payload_type_clone(rtppayload);
rtp_profile_set_payload(dialog_profile,payload->pt,rtppayload);
/* add to the rtp payload type some other parameters (bandwidth) */
if (payload->b_as_bandwidth!=0) rtppayload->normal_bitrate=payload->b_as_bandwidth*1000;
if (payload->a_fmtp!=NULL)
payload_type_set_send_fmtp(rtppayload,payload->a_fmtp);
if (strcasecmp(rtppayload->mime_type,"iLBC")==0){
/*default to 30 ms mode */
payload->a_fmtp="ptime=30";
payload_type_set_recv_fmtp(rtppayload,payload->a_fmtp);
}
return rtppayload;
}
return NULL;
}
PayloadType * rtp_profile_get_payload_from_rtpmap(RtpProfile *profile, const char *rtpmap)
{
int pt = rtp_profile_get_payload_number_from_rtpmap(profile,rtpmap);
if (pt==-1) return NULL;
else return rtp_profile_get_payload(profile,pt);
}
