gst/rtpmanager/rtpsession.c: Make obtain_source return an aditional ref so that we don't lose our ref to it when a se...

Original commit message from CVS:
* gst/rtpmanager/rtpsession.c: (obtain_source),
(rtp_session_create_source), (rtp_session_process_rtp),
(rtp_session_process_sr), (rtp_session_process_rr),
(rtp_session_process_sdes), (rtp_session_process_bye):
Make obtain_source return an aditional ref so that we don't lose our ref
to it when a session cleanup occurs when we are emiting a signal.
Emit the on_new_ssrc signal for the CSRC, not the SSRC.
Fixes #562319.
This commit is contained in:
Wim Taymans 2008-11-26 12:40:18 +00:00 committed by Tim-Philipp Müller
parent a80f7dc19a
commit 5b6700a022

View file

@ -1107,7 +1107,8 @@ check_collision (RTPSession * sess, RTPSource * source,
}
/* must be called with the session lock */
/* must be called with the session lock, the returned source needs to be
* unreffed after usage. */
static RTPSource *
obtain_source (RTPSession * sess, guint32 ssrc, gboolean * created,
RTPArrivalStats * arrival, gboolean rtp)
@ -1156,6 +1157,7 @@ obtain_source (RTPSession * sess, guint32 ssrc, gboolean * created,
source->last_activity = arrival->time;
if (rtp)
source->last_rtp_activity = arrival->time;
g_object_ref (source);
return source;
}
@ -1392,8 +1394,9 @@ rtp_session_create_source (RTPSession * sess)
RTP_SESSION_LOCK (sess);
ssrc = rtp_session_create_new_ssrc (sess);
source = rtp_source_new (ssrc);
g_object_ref (source);
rtp_source_set_callbacks (source, &callbacks, sess);
/* we need an additional ref for the source in the hashtable */
g_object_ref (source);
g_hash_table_insert (sess->ssrcs[sess->mask_idx], GINT_TO_POINTER (ssrc),
source);
/* we have one more source now */
@ -1477,7 +1480,6 @@ rtp_session_process_rtp (RTPSession * sess, GstBuffer * buffer,
/* get SSRC and look up in session database */
ssrc = gst_rtp_buffer_get_ssrc (buffer);
source = obtain_source (sess, ssrc, &created, &arrival, TRUE);
if (!source)
goto collision;
@ -1521,16 +1523,20 @@ rtp_session_process_rtp (RTPSession * sess, GstBuffer * buffer,
/* get source */
csrc_src = obtain_source (sess, csrc, &created, &arrival, TRUE);
if (!csrc_src)
continue;
if (created) {
GST_DEBUG ("created new CSRC: %08x", csrc);
rtp_source_set_as_csrc (csrc_src);
if (RTP_SOURCE_IS_ACTIVE (csrc_src))
sess->stats.active_sources++;
on_new_ssrc (sess, source);
on_new_ssrc (sess, csrc_src);
}
g_object_unref (csrc_src);
}
}
g_object_unref (source);
gst_buffer_unref (buffer);
RTP_SESSION_UNLOCK (sess);
@ -1614,7 +1620,6 @@ rtp_session_process_sr (RTPSession * sess, GstRTCPPacket * packet,
senderssrc, GST_TIME_ARGS (arrival->time));
source = obtain_source (sess, senderssrc, &created, arrival, FALSE);
if (!source)
return;
@ -1634,6 +1639,7 @@ rtp_session_process_sr (RTPSession * sess, GstRTCPPacket * packet,
on_new_ssrc (sess, source);
rtp_session_process_rb (sess, source, packet, arrival);
g_object_unref (source);
}
/* A receiver report contains statistics about how a receiver is doing. It
@ -1655,7 +1661,6 @@ rtp_session_process_rr (RTPSession * sess, GstRTCPPacket * packet,
GST_DEBUG ("got RR packet: SSRC %08x", senderssrc);
source = obtain_source (sess, senderssrc, &created, arrival, FALSE);
if (!source)
return;
@ -1663,6 +1668,7 @@ rtp_session_process_rr (RTPSession * sess, GstRTCPPacket * packet,
on_new_ssrc (sess, source);
rtp_session_process_rb (sess, source, packet, arrival);
g_object_unref (source);
}
/* Get SDES items and store them in the SSRC */
@ -1687,10 +1693,10 @@ rtp_session_process_sdes (RTPSession * sess, GstRTCPPacket * packet,
GST_DEBUG ("item %d, SSRC %08x", i, ssrc);
/* find src, no probation when dealing with RTCP */
source = obtain_source (sess, ssrc, &created, arrival, FALSE);
changed = FALSE;
/* find src, no probation when dealing with RTCP */
source = obtain_source (sess, ssrc, &created, arrival, FALSE);
if (!source)
return;
@ -1719,6 +1725,8 @@ rtp_session_process_sdes (RTPSession * sess, GstRTCPPacket * packet,
if (changed)
on_ssrc_sdes (sess, source);
g_object_unref (source);
more_items = gst_rtcp_packet_sdes_next_item (packet);
i++;
}
@ -1748,7 +1756,6 @@ rtp_session_process_bye (RTPSession * sess, GstRTCPPacket * packet,
/* find src and mark bye, no probation when dealing with RTCP */
source = obtain_source (sess, ssrc, &created, arrival, FALSE);
if (!source)
return;
@ -1803,6 +1810,8 @@ rtp_session_process_bye (RTPSession * sess, GstRTCPPacket * packet,
on_new_ssrc (sess, source);
on_bye_ssrc (sess, source);
g_object_unref (source);
}
g_free (reason);
}