[FFmpeg-trac] #13(FFmpeg:new): demuxing ogg track produces invalid ogg on 3rd pass

FFmpeg trac at avcodec.org
Sun Mar 20 22:38:53 CET 2011 

#13: demuxing ogg track produces invalid ogg on 3rd pass
------------------------+---------------------
  Reporter:  gervin23   |      Owner:  michael
      Type:  defect     |     Status:  new
  Priority:  important  |  Component:  FFmpeg
   Version:  0.6        |   Keywords:
Blocked By:             |   Blocking:
Reproduced:  0          |   Analyzed:  0
------------------------+---------------------
 Each iteration of a demux on an ogg file will shave time and if done
 recursively will produce corrupted file on 3rd pass. Note, this doesn't
 happen with mp4 and I haven't tested other formats.

 For example, given a freshly produced and valid ogg from sox, a.ogg:

 '''ogginfo a.ogg'''
   Total data length: 63786 bytes
   Playback length: 0m:05.326s
   Average bitrate: 95.809353 kb/s

 '''ffmpeg -i a.ogg -acodec copy -t ogg b.ogg'''
 FFmpeg version 0.6-4:0.6-2ubuntu6, Copyright (c) 2000-2010 the FFmpeg
 developers
   built on Oct  5 2010 22:35:47 with gcc 4.4.5
   configuration: --extra-version=4:0.6-2ubuntu6 --prefix=/usr --enable-
 avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-
 libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora
 --enable-libvorbis --enable-vaapi --enable-pthreads --enable-zlib
 --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-
 gpl --enable-postproc --enable-x11grab --enable-libdc1394 --enable-shared
 --disable-static
   WARNING: library configuration mismatch
   libavutil   configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavcodec  configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavformat configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavdevice configuration: --extra-version=4:0.6-2ubuntu6 --prefix=/usr
 --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
 --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-libvorbis --enable-vaapi --enable-pthreads --enable-
 zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect
 --enable-gpl --enable-postproc --enable-x11grab --enable-libdc1394
 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static
 --disable-ffmpeg --disable-ffplay
   libavfilter configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libswscale  configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libpostproc configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   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
 Input #0, ogg, from 'a.ogg':
   Duration: 00:00:05.32, start: 0.000000, bitrate: 101 kb/s
     Stream #0.0: Audio: vorbis, 44100 Hz, stereo, s16, 112 kb/s
     Metadata:
       ENCODER         : ffmpeg2theora-0.24
 Output #0, ogg, to 'b.ogg':
   Metadata:
     encoder         : Lavf52.64.2
     Stream #0.0: Audio: libvorbis, 44100 Hz, stereo, 112 kb/s
     Metadata:
       ENCODER         : ffmpeg2theora-0.24
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 size=      66kB time=5.14 bitrate= 104.9kbits/s
 video:0kB audio:61kB global headers:0kB muxing overhead 7.355773%

 '''ogginfo b.ogg'''
   Total data length: 63435 bytes
   Playback length: 0m:05.144s
   Average bitrate: 98.641872 kb/s

 '''ffmpeg -i b.ogg -acodec copy -t ogg c.ogg'''
 FFmpeg version 0.6-4:0.6-2ubuntu6, Copyright (c) 2000-2010 the FFmpeg
 developers
   built on Oct  5 2010 22:35:47 with gcc 4.4.5
   configuration: --extra-version=4:0.6-2ubuntu6 --prefix=/usr --enable-
 avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-
 libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora
 --enable-libvorbis --enable-vaapi --enable-pthreads --enable-zlib
 --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-
 gpl --enable-postproc --enable-x11grab --enable-libdc1394 --enable-shared
 --disable-static
   WARNING: library configuration mismatch
   libavutil   configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavcodec  configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavformat configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavdevice configuration: --extra-version=4:0.6-2ubuntu6 --prefix=/usr
 --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
 --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-libvorbis --enable-vaapi --enable-pthreads --enable-
 zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect
 --enable-gpl --enable-postproc --enable-x11grab --enable-libdc1394
 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static
 --disable-ffmpeg --disable-ffplay
   libavfilter configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libswscale  configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libpostproc configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   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
 Input #0, ogg, from 'b.ogg':
   Duration: 00:00:05.14, start: 0.000000, bitrate: 104 kb/s
     Stream #0.0: Audio: vorbis, 44100 Hz, stereo, s16, 112 kb/s
     Metadata:
       ENCODER         : ffmpeg2theora-0.24
 Output #0, ogg, to 'c.ogg':
   Metadata:
     encoder         : Lavf52.64.2
     Stream #0.0: Audio: libvorbis, 44100 Hz, stereo, 112 kb/s
     Metadata:
       ENCODER         : ffmpeg2theora-0.24
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 size=      66kB time=4.86 bitrate= 111.1kbits/s
 video:0kB audio:61kB global headers:0kB muxing overhead 7.355773%

 '''ogginfo c.ogg'''
   Total data length: 63435 bytes
   Playback length: 0m:04.855s
   Average bitrate: 104.508499 kb/s

 '''ffmpeg -i c.ogg -acodec copy -t ogg d.ogg'''
 FFmpeg version 0.6-4:0.6-2ubuntu6, Copyright (c) 2000-2010 the FFmpeg
 developers
   built on Oct  5 2010 22:35:47 with gcc 4.4.5
   configuration: --extra-version=4:0.6-2ubuntu6 --prefix=/usr --enable-
 avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-
 libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora
 --enable-libvorbis --enable-vaapi --enable-pthreads --enable-zlib
 --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-
 gpl --enable-postproc --enable-x11grab --enable-libdc1394 --enable-shared
 --disable-static
   WARNING: library configuration mismatch
   libavutil   configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavcodec  configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavformat configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libavdevice configuration: --extra-version=4:0.6-2ubuntu6 --prefix=/usr
 --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
 --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-libvorbis --enable-vaapi --enable-pthreads --enable-
 zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect
 --enable-gpl --enable-postproc --enable-x11grab --enable-libdc1394
 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static
 --disable-ffmpeg --disable-ffplay
   libavfilter configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libswscale  configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   libpostproc configuration: --extra-version=4:0.6-2ubuntu3+medibuntu1
 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau
 --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg
 --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-
 libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx
 --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame
 --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-
 x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-
 librtmp --enable-libopencore-amrnb --enable-version3 --enable-libopencore-
 amrwb --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov
 --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-
 ffplay
   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
 Input #0, ogg, from 'c.ogg':
   Duration: 00:00:04.85, start: 0.000000, bitrate: 111 kb/s
     Stream #0.0: Audio: vorbis, 44100 Hz, stereo, s16, 112 kb/s
     Metadata:
       ENCODER         : ffmpeg2theora-0.24
 Output #0, ogg, to 'd.ogg':
   Metadata:
     encoder         : Lavf52.64.2
     Stream #0.0: Audio: libvorbis, 44100 Hz, stereo, 112 kb/s
     Metadata:
       ENCODER         : ffmpeg2theora-0.24
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 [ogg @ 0x808f390]st:0 error, non monotone timestamps 13374 >= 13374
 av_interleaved_write_frame(): Operation not permitted

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/13>
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