static void apply_rtcp_fb_attribute_to_payload(belle_sdp_rtcp_fb_attribute_t *fb_attribute, PayloadType *pt) {
PayloadTypeAvpfParams avpf_params = payload_type_get_avpf_params(pt);
switch (belle_sdp_rtcp_fb_attribute_get_type(fb_attribute)) {
case BELLE_SDP_RTCP_FB_NACK:
switch (belle_sdp_rtcp_fb_attribute_get_param(fb_attribute)) {
case BELLE_SDP_RTCP_FB_PLI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_PLI;
break;
case BELLE_SDP_RTCP_FB_SLI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_SLI;
break;
case BELLE_SDP_RTCP_FB_RPSI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_RPSI;
break;
default:
break;
}
break;
case BELLE_SDP_RTCP_FB_TRR_INT:
avpf_params.trr_interval = (unsigned char)belle_sdp_rtcp_fb_attribute_get_trr_int(fb_attribute);
break;
case BELLE_SDP_RTCP_FB_ACK:
default:
break;
}
payload_type_set_avpf_params(pt, avpf_params);
}
static void sdp_parse_payload_types(belle_sdp_media_description_t *media_desc, SalStreamDescription *stream) {
PayloadType *pt;
PayloadTypeAvpfParams avpf_params;
belle_sip_list_t* mime_param_it=NULL;
belle_sdp_mime_parameter_t* mime_param;
belle_sip_list_t* mime_params=belle_sdp_media_description_build_mime_parameters ( media_desc );
memset(&avpf_params, 0, sizeof(avpf_params));
for ( mime_param_it=mime_params
; mime_param_it!=NULL
; mime_param_it=mime_param_it->next ) {
mime_param=BELLE_SDP_MIME_PARAMETER ( mime_param_it->data );
pt=payload_type_new();
payload_type_set_number ( pt,belle_sdp_mime_parameter_get_media_format ( mime_param ) );
pt->clock_rate=belle_sdp_mime_parameter_get_rate ( mime_param );
pt->mime_type=ms_strdup ( belle_sdp_mime_parameter_get_type ( mime_param ) );
pt->channels=belle_sdp_mime_parameter_get_channel_count ( mime_param );
payload_type_set_send_fmtp ( pt,belle_sdp_mime_parameter_get_parameters ( mime_param ) );
payload_type_set_avpf_params(pt, avpf_params);
stream->payloads=ms_list_append ( stream->payloads,pt );
stream->ptime=belle_sdp_mime_parameter_get_ptime ( mime_param );
ms_message ( "Found payload %s/%i fmtp=%s",pt->mime_type,pt->clock_rate,
pt->send_fmtp ? pt->send_fmtp : "" );
}
if ( mime_params ) belle_sip_list_free_with_data ( mime_params,belle_sip_object_unref );
}
static void apply_rtcp_fb_attribute_to_payload(belle_sdp_rtcp_fb_attribute_t *fb_attribute, SalStreamDescription *stream, PayloadType *pt) {
PayloadTypeAvpfParams avpf_params = payload_type_get_avpf_params(pt);
switch (belle_sdp_rtcp_fb_attribute_get_type(fb_attribute)) {
case BELLE_SDP_RTCP_FB_ACK:
if (belle_sdp_rtcp_fb_attribute_get_param(fb_attribute) == BELLE_SDP_RTCP_FB_RPSI) {
avpf_params.features |= PAYLOAD_TYPE_AVPF_RPSI;
}
break;
case BELLE_SDP_RTCP_FB_NACK:
switch (belle_sdp_rtcp_fb_attribute_get_param(fb_attribute)) {
case BELLE_SDP_RTCP_FB_PLI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_PLI;
break;
case BELLE_SDP_RTCP_FB_SLI:
avpf_params.features |= PAYLOAD_TYPE_AVPF_SLI;
break;
case BELLE_SDP_RTCP_FB_RPSI:
/* Linphone uses positive feeback for RPSI. However first versions handling
* AVPF wrongly declared RPSI as negative feedback, so this is kept for compatibility
* with these versions but will probably be removed at some point in time. */
avpf_params.features |= PAYLOAD_TYPE_AVPF_RPSI;
avpf_params.rpsi_compatibility = TRUE;
break;
case BELLE_SDP_RTCP_FB_NONE:
stream->rtcp_fb.generic_nack_enabled = TRUE;
break;
default:
break;
}
break;
case BELLE_SDP_RTCP_FB_TRR_INT:
avpf_params.trr_interval = belle_sdp_rtcp_fb_attribute_get_trr_int(fb_attribute);
break;
case BELLE_SDP_RTCP_FB_CCM:
switch (belle_sdp_rtcp_fb_attribute_get_param(fb_attribute)) {
case BELLE_SDP_RTCP_FB_FIR:
avpf_params.features |= PAYLOAD_TYPE_AVPF_FIR;
break;
case BELLE_SDP_RTCP_FB_TMMBR:
stream->rtcp_fb.tmmbr_enabled = TRUE;
break;
default:
break;
}
break;
default:
break;
}
payload_type_set_avpf_params(pt, avpf_params);
}
static void enable_avpf_for_stream(SalStreamDescription *stream) {
MSList *pt_it;
PayloadType *pt;
PayloadTypeAvpfParams avpf_params;
for (pt_it = stream->payloads; pt_it != NULL; pt_it = pt_it->next) {
pt = (PayloadType *)pt_it->data;
avpf_params = payload_type_get_avpf_params(pt);
payload_type_set_flag(pt, PAYLOAD_TYPE_RTCP_FEEDBACK_ENABLED);
if (stream->type == SalVideo) {
avpf_params.features |= PAYLOAD_TYPE_AVPF_FIR;
}
avpf_params.trr_interval = 0;
payload_type_set_avpf_params(pt, avpf_params);
}
}
