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gstrtpsession: use correct seqnum for the STREAM_START ans SEGMENT events

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8695>
This commit is contained in:
Ognyan Tonchev 2025-03-26 12:34:35 +01:00 committed by GStreamer Marge Bot
parent daa1ee84b9
commit 961fc87168
1 changed files with 19 additions and 14 deletions
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33
subprojects/gst-plugins-good/gst/rtpmanager/gstrtpsession.c
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@ -1504,26 +1504,31 @@ do_rtcp_events (GstRtpSession * rtpsession, GstPad * srcpad)
{
GstCaps *caps;
GstSegment seg;
GstEvent *event;
GstEvent *segment;
GstEvent *stream_start;
gchar *stream_id;
gboolean have_group_id;
guint group_id;
guint32 seqnum;
stream_id =
g_strdup_printf ("%08x%08x%08x%08x", g_random_int (), g_random_int (),
g_random_int (), g_random_int ());
stream_start = gst_event_new_stream_start (stream_id);
seqnum = gst_event_get_seqnum (stream_start);
GST_RTP_SESSION_LOCK (rtpsession);
if (rtpsession->recv_rtp_sink) {
event =
gst_pad_get_sticky_event (rtpsession->recv_rtp_sink,
GstEvent *sticky = gst_pad_get_sticky_event (rtpsession->recv_rtp_sink,
GST_EVENT_STREAM_START, 0);
if (event) {
if (gst_event_parse_group_id (event, &group_id))
if (sticky) {
if (gst_event_parse_group_id (sticky, &group_id))
have_group_id = TRUE;
else
have_group_id = FALSE;
gst_event_unref (event);
/* the new events should have the same seqnum as the one of the sticky one */
seqnum = gst_event_get_seqnum (sticky);
gst_event_unref (sticky);
} else {
have_group_id = TRUE;
group_id = gst_util_group_id_next ();
@ -1534,12 +1539,12 @@ do_rtcp_events (GstRtpSession * rtpsession, GstPad * srcpad)
}
GST_RTP_SESSION_UNLOCK (rtpsession);
event = gst_event_new_stream_start (stream_id);
rtpsession->recv_rtcp_segment_seqnum = gst_event_get_seqnum (event);
gst_event_set_seqnum (event, rtpsession->recv_rtcp_segment_seqnum);
rtpsession->recv_rtcp_segment_seqnum = seqnum;
gst_event_set_seqnum (stream_start, seqnum);
if (have_group_id)
gst_event_set_group_id (event, group_id);
gst_pad_push_event (srcpad, event);
gst_event_set_group_id (stream_start, group_id);
gst_pad_push_event (srcpad, stream_start);
g_free (stream_id);
caps = gst_caps_new_empty_simple ("application/x-rtcp");
@ -1547,9 +1552,9 @@ do_rtcp_events (GstRtpSession * rtpsession, GstPad * srcpad)
gst_caps_unref (caps);
gst_segment_init (&seg, GST_FORMAT_TIME);
event = gst_event_new_segment (&seg);
gst_event_set_seqnum (event, rtpsession->recv_rtcp_segment_seqnum);
gst_pad_push_event (srcpad, event);
segment = gst_event_new_segment (&seg);
gst_event_set_seqnum (segment, seqnum);
gst_pad_push_event (srcpad, segment);
}
/* called when the session manager has an RTCP packet ready for further