[libav-bugs] [Bug 783] New: decode_slice_header error in mp4

bugzilla at aruru.libav.org bugzilla at aruru.libav.org
Mon Nov 17 14:28:30 CET 2014


            Bug ID: 783
           Summary: decode_slice_header error in mp4
           Product: Libav
           Version: 9
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: ---
         Component: general
          Assignee: bugzilla at libav.org
          Reporter: uznick at ya.ru

I convert mp4 source file using VLC command

/Applications/VLC.app/Contents/MacOS/VLC -I dummy
/home/uznick/H264_test5_voice_mp4_480x360.mp4 vlc://quit --sout
 --sout-avcodec-strict=-2 -vvv

The file looks perfectly playable.

And then I try to convert it to FLV using: avconv -y -loglevel error -i
/home/uznick/test.mp4 -codec copy /home/uznick/test.mp4.flv

The response I get is and convertation stops:
[h264 @ 0x7fdd8a819a00] A non-intra slice in an IDR NAL unit.
[h264 @ 0x7fdd8a819a00] decode_slice_header error

And when I use avprobe to check the file, I get the same lines there:

avprobe version 11, Copyright (c) 2007-2014 the Libav developers
  built on Sep 14 2014 06:57:51 with Apple LLVM version 5.1 (clang-503.0.40)
(based on LLVM 3.4svn)
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f7fc1807800] multiple edit list entries, a/v
desync might occur, patch welcome
[h264 @ 0x7f7fc1806600] A non-intra slice in an IDR NAL unit.
[h264 @ 0x7f7fc1806600] decode_slice_header error
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/uznick/test.mp4':
    major_brand     : isom
    minor_version   : 0
    compatible_brands: mp41avc1qt
    creation_time   : 2014-11-17 09:15:03
    encoder         : vlc 2.1.5 stream output
    encoder-eng     : vlc 2.1.5 stream output
  Duration: 00:00:04.86, start: 0.000000, bitrate: 1746 kb/s
    Stream #0.0(eng): Audio: aac, 44100 Hz, stereo, fltp, 126 kb/s (default)
      creation_time   : 2014-11-17 09:15:03
    Stream #0.1(eng): Video: h264 (High), yuv420p, 640x360 [PAR 57:128 DAR
19:24], 1663 kb/s, 30 fps, 1000k tbn, 60 tbc (default)
      creation_time   : 2014-11-17 09:15:03
# avprobe output

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