[gstreamer-bugs] [Bug 568689] New: SIGEV using ffenc_wmav2

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-ffmpeg | Ver: 0.10.22
           Summary: SIGEV using ffenc_wmav2
           Product: GStreamer
           Version: 0.10.22
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: julien.isorce at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


---steps:

It crashs on a very particular sound (noise + saturation). On both ubuntu
intrepid and windows.
I can send you the file by email.

gst-launch-0.10 filesrc location=julien'sfile.wav ! wavparse ! ffenc_wmav2 !
fakesink sync=1


---track:

at gstffmpegenc.c:776:  
"subbuf = gst_buffer_join (ffmpegenc->cache, subbuf);"

0:00:00.394646468 21370  0x9f2d858 DEBUG               ffmpeg
gstffmpegenc.c:711:gst_ffmpegenc_chain_audio:<ffenc_wmav20> Received buffer of
time 0:00:17.066666667 and size 4096 (cache: 4096)
0:00:00.395027437 21370  0x9f2d858 DEBUG               ffmpeg
gstffmpegenc.c:711:gst_ffmpegenc_chain_audio:<ffenc_wmav20> Received buffer of
time 0:00:17.089886622 and size 4096 (cache: 0)
0:00:00.395050424 21370  0x9f2d858 DEBUG               ffmpeg
gstffmpegenc.c:711:gst_ffmpegenc_chain_audio:<ffenc_wmav20> Received buffer of
time 0:00:17.113106576 and size 4096 (cache: 4096)
0:00:00.395836829 21370  0x9f2d858 DEBUG               ffmpeg
gstffmpegenc.c:711:gst_ffmpegenc_chain_audio:<ffenc_wmav20> Received buffer of
time 0:00:17.136326531 and size 4096 (cache: 0)
0:00:00.395859710 21370  0x9f2d858 DEBUG               ffmpeg
gstffmpegenc.c:711:gst_ffmpegenc_chain_audio:<ffenc_wmav20> Received buffer of
time 0:00:17.159546486 and size 4096 (cache: 4096)
Caught SIGSEGV accessing address 0xd0c007


---backtrace:

Passage du pipeline à la phase PLAYING...
New clock: GstSystemClock

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb7098b90 (LWP 20831)]
0xb7c29e68 in ?? () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0  0xb7c29e68 in ?? () from /lib/tls/i686/cmov/libc.so.6
#1  0xb7c2a456 in free () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7d7fc06 in g_free () from /usr/lib/libglib-2.0.so.0
#3  0xb7fa6046 in gst_buffer_finalize (buffer=0xb6714ff8) at gstbuffer.c:190
#4  0xb7fc7b53 in gst_mini_object_unref (mini_object=0x9e4b0b8) at
gstminiobject.c:320
#5  0xb7985649 in gst_base_sink_set_last_buffer (sink=0x9e48000,
buffer=0x9e4b1f8) at gstbasesink.c:893
#6  0xb79894c4 in gst_base_sink_render_object (basesink=0x9e48000,
pad=0x9d58318, obj=0x9e4b1f8) at gstbasesink.c:2343
#7  0xb798a5d8 in gst_base_sink_queue_object_unlocked (basesink=0x9e48000,
pad=0x9d58318, obj=0x9e4b1f8, prerollable=1) at gstbasesink.c:2566
#8  0xb798ad3d in gst_base_sink_chain_unlocked (basesink=0x9e48000,
pad=0x9d58318, buf=0x9e4b1f8) at gstbasesink.c:2923
#9  0xb798b205 in gst_base_sink_chain (pad=0x9d58318, buf=0x9e4b1f8) at
gstbasesink.c:2964
#10 0xb7fcd165 in gst_pad_chain_unchecked (pad=0x9d58318, buffer=0x9e4b1f8) at
gstpad.c:3890
#11 0xb7fce55a in gst_pad_push (pad=0x9d58258, buffer=0x9e4b1f8) at
gstpad.c:4057
#12 0xb7102b41 in gst_ffmpegenc_chain_audio (pad=0x9d58198, inbuf=0x9e4b2e8) at
gstffmpegenc.c:776
#13 0xb7fcd165 in gst_pad_chain_unchecked (pad=0x9d58198, buffer=0x9e4b2e8) at
gstpad.c:3890
#14 0xb7fce55a in gst_pad_push (pad=0x9d58618, buffer=0x9e4b2e8) at
gstpad.c:4057
#15 0xb7a255b4 in gst_wavparse_stream_data (wav=0x9d5d008) at
gstwavparse.c:1777
#16 0xb7a260cf in gst_wavparse_loop (pad=0x9d580d8) at gstwavparse.c:1851
#17 0xb7fefc13 in gst_task_func (task=0x9e47008, tclass=0x9c633d0) at
gsttask.c:192
#18 0xb7da36c6 in ?? () from /usr/lib/libglib-2.0.so.0
#19 0xb7da202f in ?? () from /usr/lib/libglib-2.0.so.0
#20 0xb7d1d50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#21 0xb7c9a7ee in clone () from /lib/tls/i686/cmov/libc.so.6
(gdb)

I am not sure it comes from wmaenc. from ffmpeg code because:
ffmpeg -i juliensfile.wav -f asf -acodec wmav2 -ab 128k out.asf
works fine.

Tell me how to send you the wav file.

Sincerely

Julien


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