void media_stream_iterate(MediaStream *stream){
time_t curtime=ms_time(NULL);
if (stream->ice_check_list) ice_check_list_process(stream->ice_check_list,stream->sessions.rtp_session);
/*we choose to update the quality indicator as much as possible, since local statistics can be computed realtime. */
if (stream->state==MSStreamStarted){
if (stream->qi && curtime>stream->last_iterate_time) ms_quality_indicator_update_local(stream->qi);
}
stream->last_iterate_time=curtime;
if (stream->rc) ms_bitrate_controller_update(stream->rc);
if (stream->evq){
OrtpEvent *ev=NULL;
while ((ev=ortp_ev_queue_get(stream->evq))!=NULL){
OrtpEventType evt=ortp_event_get_type(ev);
if (evt==ORTP_EVENT_RTCP_PACKET_RECEIVED){
mblk_t *m=ortp_event_get_data(ev)->packet;
media_stream_process_rtcp(stream,m,curtime);
}else if (evt==ORTP_EVENT_RTCP_PACKET_EMITTED){
ms_message("%s_stream_iterate[%p]: local statistics available\n\tLocal's current jitter buffer size:%f ms",
media_stream_type_str(stream), stream, rtp_session_get_jitter_stats(stream->sessions.rtp_session)->jitter_buffer_size_ms);
}else if ((evt==ORTP_EVENT_STUN_PACKET_RECEIVED)&&(stream->ice_check_list)){
ice_handle_stun_packet(stream->ice_check_list,stream->sessions.rtp_session,ortp_event_get_data(ev));
} else if (evt == ORTP_EVENT_ZRTP_ENCRYPTION_CHANGED) {
OrtpEventData *evd=ortp_event_get_data(ev);
stream->sessions.is_secured=evd->info.zrtp_stream_encrypted;
ms_message("%s_stream_iterate[%p]: is %s ",media_stream_type_str(stream) , stream, stream->sessions.is_secured ? "encrypted" : "not encrypted");
}
ortp_event_destroy(ev);
}
}
}
int media_stream_set_dscp(MediaStream *stream, int dscp) {
ms_message("Setting DSCP to %i for %s stream.", dscp, media_stream_type_str(stream));
stream->dscp = dscp;
if ((stream->sessions.rtp_session != NULL) && (stream->sessions.rtp_session->rtp.gs.rem_addr.ss_family != AF_UNSPEC))
return rtp_session_set_dscp(stream->sessions.rtp_session, dscp);
return 0;
}
static void media_stream_process_rtcp(MediaStream *stream, mblk_t *m, time_t curtime){
stream->last_packet_time=curtime;
ms_message("%s stream [%p]: receiving RTCP %s%s",media_stream_type_str(stream),stream,(rtcp_is_SR(m)?"SR":""),(rtcp_is_RR(m)?"RR":""));
do{
if (stream->rc_enable && stream->rc) ms_bitrate_controller_process_rtcp(stream->rc,m);
if (stream->qi) ms_quality_indicator_update_from_feedback(stream->qi,m);
stream->process_rtcp(stream,m);
}while(rtcp_next_packet(m));
}
void media_stream_start_ticker(MediaStream *stream) {
MSTickerParams params = {0};
char name[32] = {0};
if (stream->sessions.ticker) return;
snprintf(name, sizeof(name) - 1, "%s MSTicker", media_stream_type_str(stream));
name[0] = toupper(name[0]);
params.name = name;
params.prio = __ms_get_default_prio((stream->type == MSVideo) ? TRUE : FALSE);
stream->sessions.ticker = ms_ticker_new_with_params(¶ms);
}
int media_stream_set_dscp(MediaStream *stream, int dscp) {
ms_message("Setting DSCP to %i for %s stream.", dscp, media_stream_type_str(stream));
return rtp_session_set_dscp(stream->sessions.rtp_session, dscp);
}
