[Bug 739709] rtpjitterbuffer: dead loop when schedule one dead line timer.

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=739709
  GStreamer | gst-plugins-good | 1.2.3

--- Comment #4 from kevin <kevinbing.song at gmail.com> 2014-12-05 03:32:50 UTC ---
commit 6c584bc8337da0a19287d51eaf05c608711b9ef5
Author: Mark Nauwelaerts <mnauw at users.sourceforge.net>
Date:   Sun May 4 13:37:46 2014 +0200

    rtpjitterbuffer: avoid stall by corrupted seqnum accounting

diff --git a/gst/rtpmanager/gstrtpjitterbuffer.c
b/gst/rtpmanager/gstrtpjitterbuffer.c
index 1459e91..62d7228 100644
--- a/gst/rtpmanager/gstrtpjitterbuffer.c
+++ b/gst/rtpmanager/gstrtpjitterbuffer.c
@@ -2826,7 +2826,10 @@ do_deadline_timeout (GstRtpJitterBuffer * jitterbuffer,
TimerData * timer,

   GST_INFO_OBJECT (jitterbuffer, "got deadline timeout");

-  priv->next_seqnum = timer->seqnum;
+  /* timer seqnum might have been obsoleted by caps seqnum-base,
+   * only mess with current ongoing seqnum if still unknown */
+  if (priv->next_seqnum == -1)
+    priv->next_seqnum = timer->seqnum;
   remove_timer (jitterbuffer, timer);
   JBUF_SIGNAL_EVENT (priv);

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