/**
* Processes a packet received from the RTP socket.
*/
static void rtp_process (demux_t *demux, block_t *block)
{
demux_sys_t *sys = demux->p_sys;
if (block->i_buffer < 2)
goto drop;
const uint8_t ptype = rtp_ptype (block);
if (ptype >= 72 && ptype <= 76)
goto drop; /* Muxed RTCP, ignore for now FIXME */
#ifdef HAVE_SRTP
if (sys->srtp != NULL)
{
size_t len = block->i_buffer;
if (srtp_recv (sys->srtp, block->p_buffer, &len))
{
msg_Dbg (demux, "SRTP authentication/decryption failed");
goto drop;
}
block->i_buffer = len;
}
#endif
/* TODO: use SDP and get rid of this hack */
if (unlikely(sys->autodetect))
{ /* Autodetect payload type, _before_ rtp_queue() */
rtp_autodetect (demux, sys->session, block);
sys->autodetect = false;
}
rtp_queue (demux, sys->session, block);
return;
drop:
block_Release (block);
}
void *rtp_thread (void *data)
{
demux_t *demux = data;
demux_sys_t *p_sys = demux->p_sys;
bool autodetect = true;
if (vlc_timer_create (&p_sys->timer, rtp_process, data))
return NULL;
vlc_cleanup_push (timer_cleanup, (void *)p_sys->timer);
for (;;)
{
block_t *block = rtp_recv (demux);
if (block == NULL)
break;
if (autodetect)
{ /* Autodetect payload type, _before_ rtp_queue() */
/* No need for lock - the queue is empty. */
if (rtp_autodetect (demux, p_sys->session, block))
{
block_Release (block);
continue;
}
autodetect = false;
}
int canc = vlc_savecancel ();
vlc_mutex_lock (&p_sys->lock);
rtp_queue (demux, p_sys->session, block);
vlc_mutex_unlock (&p_sys->lock);
vlc_restorecancel (canc);
rtp_process (demux);
}
vlc_cleanup_run ();
return NULL;
}
