[Bug 683261] New: Getting SIGSEGV (assertion failed) when playing video locally and streaming the corresponding audio over RTP/RTCP

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Sep 3 03:51:08 PDT 2012


https://bugzilla.gnome.org/show_bug.cgi?id=683261
  GStreamer | gstreamer (core) | 0.11.x

           Summary: Getting SIGSEGV (assertion failed) when playing video
                    locally and streaming the corresponding audio over
                    RTP/RTCP
    Classification: Platform
           Product: GStreamer
           Version: 0.11.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: elisescu at yahoo.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I'm creating a pipeline which should play a video locally and send the
corresponding audio over RTP/RTCP, but I get a SIGSEGV. The pipe I'm using is:


gst-launch-1.0 $DEBUG rtpbin name=rtpbin ntp-sync=true latency=0 filesrc
location=$AV_FILE ! queue ! qtdemux name=dem dem.video_0 ! queue ! avdec_h264 !
autovideoconvert ! xvimagesink ts-offset=2000000000 dem.audio_0 ! queue !
rtpmp4apay ! rtpbin.send_rtp_sink_1 rtpbin.send_rtp_src_1 ! udpsink
host=$IP_ADDR port=$AUDIO_UDP_PORT rtpbin.send_rtcp_src_1 ! udpsink
host=$IP_ADDR port=$AUDIO_UDP_RTCP_PORT sync=false async=false

The SEGV comes from a failed assertion: (gst-launch-1.0:25741):
GStreamer-CRITICAL **: gst_query_parse_nth_allocation_pool: assertion `index <
array->len' failed.

In case it helps, some gdb information that I get right after getting the
SIGSEGV signal:
(gdb) backtrace
#0  0x00007f64ffa1bb03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f64fff57036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f64fff5749a in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f650048d775 in gst_bus_poll (bus=0xdd6e20, events=<optimized out>,
timeout=18446744073709551615) at gstbus.c:1086
#4  0x0000000000403cdf in event_loop (pipeline=0xe6a0b0, blocking=1,
target_state=GST_STATE_PAUSED) at gst-launch.c:592
#5  0x000000000040360b in main (argc=41, argv=0x7fff4471afe8) at
gst-launch.c:1075
(gdb) info threads
  Id   Target Id         Frame 
  6    Thread 0x7f64f943c700 (LWP 26156) "xvimagesink-eve" 0x00007f64ffd0152d
in nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
  5    Thread 0x7f64f8c3b700 (LWP 26157) "queue2:src" 0x00007f64ffcfdd84 in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
  4    Thread 0x7f64f3fff700 (LWP 26158) "queue1:src" 0x00007f64ffd0152d in
nanosleep () from /lib/x86_64-linux-gnu/libpthread.so.0
  3    Thread 0x7f64f37fe700 (LWP 26159) "queue0:src" 0x00007f64ffd0089c in
__lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
  2    Thread 0x7f64f2ffd700 (LWP 26160) "filesrc0:src" 0x00007f64ffcfdd84 in
pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
* 1    Thread 0x7f6500943700 (LWP 26154) "gst-launch-1.0" 0x00007f64ffa1bb03 in
poll () from /lib/x86_64-linux-gnu/libc.so.6


The versions I have: gstreamer-0.11.93 gst-plugins-good-0.11.93
gst-plugins-bad-0.11.93 gst-plugins-base-0.11.93 and gst-ffmpeg which is the
last master commit (ed1ea6f097cfe5c8c52281038dde8494edc8cc2e Date:   Sun Aug 26
18:17:17 2012 +0200).

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