static void link_session_and_fetch_conf(Nemesi_DemuxerStreamData * ndsd,
Nemesi_SessionType stype,
rtp_session * sess,
rtp_buff * buff, unsigned int * fps)
{
extern float force_fps;
rtp_ssrc *ssrc;
rtsp_ctrl * ctl = ndsd->rtsp;
rtp_frame * fr = &ndsd->first_pkt[stype];
rtp_buff trash_buff;
ndsd->session[stype] = sess;
if (buff == NULL)
buff = &trash_buff;
if ( (buff != NULL) || (fps != NULL) ) {
rtp_fill_buffers(rtsp_get_rtp_th(ctl));
for (ssrc = rtp_active_ssrc_queue(rtsp_get_rtp_queue(ctl));
ssrc;
ssrc = rtp_next_active_ssrc(ssrc)) {
if (ssrc->rtp_sess == sess) {
rtp_fill_buffer(ssrc, fr, buff);
break;
}
}
if ( (force_fps == 0.0) && (fps != NULL) ) {
rtp_fill_buffers(rtsp_get_rtp_th(ctl));
*fps = rtp_get_fps(ssrc);
}
}
}
static void link_session_and_fetch_conf(Nemesi_DemuxerStreamData * ndsd,
Nemesi_SessionType stype,
rtp_session * sess,
rtp_buff * buff, unsigned int * fps)
{
rtp_ssrc *ssrc = NULL;
rtp_frame * fr = &ndsd->first_pkt[stype];
rtp_buff trash_buff;
int must_prefetch = ((fps != NULL) || (buff != NULL)) ? 1 : 0;
ndsd->session[stype] = sess;
ssrc = wait_for_packets(ndsd, stype);
if ( ((ssrc) && (must_prefetch)) ) {
if (buff == NULL)
buff = &trash_buff;
rtp_fill_buffer(ssrc, fr, buff); //Prefetch the first packet
/* Packet prefecthing must be done anyway or we won't be
able to get the metadata, but fps calculation happens
only if the user didn't specify the FPS */
if ( ((!force_fps) && (fps != NULL)) ) {
while ( *fps <= 0 ) {
//Wait more pkts to calculate FPS and try again
sched_yield();
*fps = rtp_get_fps(ssrc);
}
}
}
}
static int get_data_for_session(Nemesi_DemuxerStreamData * ndsd,
Nemesi_SessionType stype, rtp_frame * fr)
{
rtsp_ctrl * ctl = ndsd->rtsp;
rtp_ssrc *ssrc = NULL;
for (ssrc = rtp_active_ssrc_queue(rtsp_get_rtp_queue(ctl));
ssrc;
ssrc = rtp_next_active_ssrc(ssrc)) {
if (ssrc->rtp_sess == ndsd->session[stype]) {
if (ndsd->first_pkt[stype].len != 0) {
fr->data = ndsd->first_pkt[stype].data;
fr->time_sec = ndsd->first_pkt[stype].time_sec;
fr->len = ndsd->first_pkt[stype].len;
ndsd->first_pkt[stype].len = 0;
return RTP_FILL_OK;
} else {
rtp_buff buff;
return rtp_fill_buffer(ssrc, fr, &buff);
}
}
}
return RTP_SSRC_NOTVALID;
}
static int get_data_for_session(Nemesi_DemuxerStreamData * ndsd,
Nemesi_SessionType stype, rtp_ssrc * ssrc,
rtp_frame * fr)
{
if (ndsd->first_pkt[stype].len != 0) {
fr->data = ndsd->first_pkt[stype].data;
fr->time_sec = ndsd->first_pkt[stype].time_sec;
fr->len = ndsd->first_pkt[stype].len;
ndsd->first_pkt[stype].len = 0;
return RTP_FILL_OK;
} else {
rtp_buff buff;
return rtp_fill_buffer(ssrc, fr, &buff);
}
}
