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#13 closed defect (fixed)

demuxing ogg track produces invalid ogg on 3rd pass

Reported by:	gervin23	Owned by:	Michael Niedermayer
Priority:	important	Component:	avformat
Version:	git-master	Keywords:	regression ogg vorbis
Cc:		Blocked By:
Blocking:		Reproduced by developer:	yes
Analyzed by developer:	no

Description

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

Change History (5)

comment:1 by Carl Eugen Hoyos, 14 years ago

Keywords:	regression added
Reproduced by developer:	set
Status:	new → open
Version:	0.6 → git

This looks like a regression, 0.5 does not reduce the file length below 8.47 (and does not fail on several tries).

$ ffmpeg -i fate-suite/vorbis/rc1-test_small.ogg -acodec copy out.ogg
FFmpeg version git-N-28533-g849f80f, Copyright (c) 2000-2011 the FFmpeg developers
  built on Mar 20 2011 23:17:05 with gcc 4.5.2
  configuration: --cc=/usr/local/gcc-4.5.2/bin/gcc --enable-gpl --enable-libopencore-amrnb --enable-version3
  libavutil    50. 40. 0 / 50. 40. 0
  libavcodec   52.114. 0 / 52.114. 0
  libavformat  52.103. 0 / 52.103. 0
  libavdevice  52.  3. 0 / 52.  3. 0
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
Input #0, ogg, from 'fate-suite/vorbis/rc1-test_small.ogg':
  Duration: 00:00:08.86, start: 0.000000, bitrate: 90 kb/s
    Stream #0.0: Audio: vorbis, 44100 Hz, stereo, s16, 128 kb/s
Output #0, ogg, to 'out.ogg':
  Metadata:
    encoder         : Lavf52.103.0
    Stream #0.0: Audio: vorbis, 44100 Hz, stereo, 128 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
size=      94kB time=8.47 bitrate=  90.7kbits/s
video:0kB audio:90kB global headers:0kB muxing overhead 3.681001%
$ ffmpeg -i out.ogg -acodec copy out2.ogg
FFmpeg version git-N-28533-g849f80f, Copyright (c) 2000-2011 the FFmpeg developers
  built on Mar 20 2011 23:17:05 with gcc 4.5.2
  configuration: --cc=/usr/local/gcc-4.5.2/bin/gcc --enable-gpl --enable-libopencore-amrnb --enable-version3
  libavutil    50. 40. 0 / 50. 40. 0
  libavcodec   52.114. 0 / 52.114. 0
  libavformat  52.103. 0 / 52.103. 0
  libavdevice  52.  3. 0 / 52.  3. 0
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
Input #0, ogg, from 'out.ogg':
  Duration: 00:00:08.47, start: 0.000000, bitrate: 90 kb/s
    Stream #0.0: Audio: vorbis, 44100 Hz, stereo, s16, 128 kb/s
    Metadata:
      ENCODER         : Lavf52.103.0
Output #0, ogg, to 'out2.ogg':
  Metadata:
    encoder         : Lavf52.103.0
    Stream #0.0: Audio: vorbis, 44100 Hz, stereo, 128 kb/s
    Metadata:
      ENCODER         : Lavf52.103.0
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
size=      94kB time=6.68 bitrate= 115.1kbits/s
video:0kB audio:90kB global headers:0kB muxing overhead 3.681001%
$ ffmpeg -i out2.ogg -acodec copy out3.ogg
FFmpeg version git-N-28533-g849f80f, Copyright (c) 2000-2011 the FFmpeg developers
  built on Mar 20 2011 23:17:05 with gcc 4.5.2
  configuration: --cc=/usr/local/gcc-4.5.2/bin/gcc --enable-gpl --enable-libopencore-amrnb --enable-version3
  libavutil    50. 40. 0 / 50. 40. 0
  libavcodec   52.114. 0 / 52.114. 0
  libavformat  52.103. 0 / 52.103. 0
  libavdevice  52.  3. 0 / 52.  3. 0
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
Input #0, ogg, from 'out2.ogg':
  Duration: 00:00:06.67, start: 0.000000, bitrate: 115 kb/s
    Stream #0.0: Audio: vorbis, 44100 Hz, stereo, s16, 128 kb/s
    Metadata:
      ENCODER         : Lavf52.103.0
Output #0, ogg, to 'out3.ogg':
  Metadata:
    encoder         : Lavf52.103.0
    Stream #0.0: Audio: vorbis, 44100 Hz, stereo, 128 kb/s
    Metadata:
      ENCODER         : Lavf52.103.0
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
[ogg @ 0x11ecac0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 11838 >= 11838
av_interleaved_write_frame(): Operation not permitted

comment:2 by Carl Eugen Hoyos, 14 years ago

This is a regression since 95ca3b1e20670d9f78f23250a314751a292ece56:
r23231: In ogg muxer, pack multiple frames into one page, much lower overhead

comment:3 by Carl Eugen Hoyos, 13 years ago

Component:	FFmpeg → avformat
Keywords:	ogg vorbis added
Version:	git → git-master

comment:4 by reimar, 13 years ago

This happens because since multiple frames merged into one page do not have separate time-stamps.
This means that FFmpeg has to fill in the missing time-stamps.
However currently FFmpeg is not able to do so for Vorbis without decoding.
Ticket #735 should be a duplicate of this.

comment:5 by Carl Eugen Hoyos, 13 years ago

Resolution:	→ fixed
Status:	open → closed

Fixed by Justin.

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