[libav-bugs] [Bug 379] New: Regression in WAV files between 52.72. 2 and 53. 35.

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Mon Oct 15 23:08:26 CEST 2012


https://bugzilla.libav.org/show_bug.cgi?id=379

           Summary: Regression in WAV files between 52.72. 2 and 53. 35. 0
           Product: Libav
           Version: 0.8
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: Normal
         Component: libavcodec
        AssignedTo: bugzilla at libav.org
        ReportedBy: phas0rr at yahoo.com


The attached file can be converted to an uncompressed, 2 channel 16 Bit PCM WAV
file with ffmpeg in Ubuntu 11.04 but not in Ubuntu 12.04:

On Ubuntu 11.04:

$ timeout 600 nice -n 19 ffmpeg -y -i
2c43782def1bfd2e926ce3a2f282d709a56ddab7.wav -acodec pcm_s16le -ac 2
fnuh-tmp.wav
FFmpeg version 0.6.6-4:0.6.6-0ubuntu0.11.04.1, Copyright (c) 2000-2010 the
Libav developers
  built on Jun 12 2012 16:35:16 with gcc 4.5.2
  configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr
--enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
--enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora
--enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx
--disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl
--enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394
--enable-shared --disable-static
  libavutil     50.15. 1 / 50.15. 1
  libavcodec    52.72. 2 / 52.72. 2
  libavformat   52.64. 2 / 52.64. 2
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter    1.19. 0 /  1.19. 0
  libswscale     0.11. 0 /  0.11. 0
  libpostproc   51. 2. 0 / 51. 2. 0
[wav @ 0x24ba420]max_analyze_duration reached
[wav @ 0x24ba420]Estimating duration from bitrate, this may be inaccurate
Input #0, wav, from '2c43782def1bfd2e926ce3a2f282d709a56ddab7.wav':
  Duration: 00:02:35.15, bitrate: 1411 kb/s
    Stream #0.0: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
Output #0, wav, to 'fnuh-tmp.wav':
  Metadata:
    encoder         : Lavf52.64.2
    Stream #0.0: Audio: pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
size=   26728kB time=155.16 bitrate=1411.2kbits/s    
video:0kB audio:26728kB global headers:0kB muxing overhead 0.000161%

On Ubuntu 12.04:

$ ffmpeg -v debug -y -i 2c43782def1bfd2e926ce3a2f282d709a56ddab7.wav -acodec
pcm_s16le -ac 2 fnuh.wav
ffmpeg version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the
Libav developers
  built on Jun 12 2012 16:52:09 with gcc 4.6.3
  configuration: --extra-version='4:0.8.3-0ubuntu0.12.04.1' --arch=amd64
--prefix=/usr --libdir=/usr/lib/x86_64-linux-gnu --enable-vdpau --enable-bzlib
--enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora
--enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx
--enable-runtime-cpudetect --enable-libfreetype --enable-vaapi --enable-gpl
--enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394
--shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static
  libavutil    51. 22. 1 / 51. 22. 1
  libavcodec   53. 35. 0 / 53. 35. 0
  libavformat  53. 21. 0 / 53. 21. 0
  libavdevice  53.  2. 0 / 53.  2. 0
  libavfilter   2. 15. 0 /  2. 15. 0
  libswscale    2.  1. 0 /  2.  1. 0
  libpostproc  52.  0. 0 / 52.  0. 0
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future
release. Please use avconv instead.
[wav @ 0x6207a0] Probed with size=2048 and score=99
[wav @ 0x6207a0] too short LIST2c43782def1bfd2e926ce3a2f282d709a56ddab7.wav:
Invalid data found when processing input

Do you have an idea why this happens? I run a media converter site and this is
causing a high error rate for ffmpeg jobs.

Thanks for any help.

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