[FFmpeg-trac] #8900(undetermined:new): ffmpeg generates a file which it rejexts as input with "Too many packets buffered for output stream"

FFmpeg trac at avcodec.org
Thu Sep 17 21:36:39 EEST 2020


#8900: ffmpeg generates a file which it rejexts as input with "Too many packets
buffered for output stream"
-------------------------------------+-------------------------------------
             Reporter:  monnier      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: When I use `ffmpeg` to extract a chunk of a video, the
 resulting video is played correctly by Totem but is not accepted as input
 by `ffmpeg`, giving me "Too many packets buffered for output stream"
 How to reproduce:
 {{{
 % ffmpeg -i sample.webm -vcodec copy -acodec copy -ss 06:00 -to 07:00
 broken.webm; ffmpeg -i broken.webm copy.webm
 ffmpeg version 4.3.1-2 Copyright (c) 2000-2020 the FFmpeg developers
   built with gcc 10 (Debian 10.2.0-5)
   configuration: --prefix=/usr --extra-version=2 --toolchain=hardened
 --libdir=/usr/lib/i386-linux-gnu --incdir=/usr/include/i386-linux-gnu
 --arch=i386 --enable-gpl --disable-stripping --enable-avresample
 --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite
 --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-
 libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-
 libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus
 --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-
 librubberband --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora
 --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx
 --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2
 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-
 omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2
 --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-
 libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264
 --ignore-tests='hapenc-hap-none,hapenc-hapa-none,hapenc-hapq-none'
 --enable-shared
   libavutil      56. 51.100 / 56. 51.100
   libavcodec     58. 91.100 / 58. 91.100
   libavformat    58. 45.100 / 58. 45.100
   libavdevice    58. 10.100 / 58. 10.100
   libavfilter     7. 85.100 /  7. 85.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  7.100 /  5.  7.100
   libswresample   3.  7.100 /  3.  7.100
   libpostproc    55.  7.100 / 55.  7.100
 Input #0, matroska,webm, from 'sample.webm':
   Metadata:
     encoder         : GStreamer matroskamux version 1.16.2
     creation_time   : 2020-07-03T23:24:15.000000Z
   Duration: 00:08:13.60, start: 0.000000, bitrate: 82 kb/s
     Stream #0:0(eng): Video: vp8, yuv420p(tv, bt709, progressive),
 887x702, SAR 1:1 DAR 887:702, 10 fps, 10 tbr, 1k tbn, 1k tbc (default)
     Metadata:
       title           : Video
     Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp (default)
     Metadata:
       title           : Audio
 Output #0, webm, to 'broken.webm':
   Metadata:
     encoder         : Lavf58.45.100
     Stream #0:0(eng): Video: vp8, yuv420p(tv, bt709, progressive), 887x702
 [SAR 1:1 DAR 887:702], q=2-31, 10 fps, 10 tbr, 1k tbn, 1k tbc (default)
     Metadata:
       title           : Video
     Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp (default)
     Metadata:
       title           : Audio
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 frame=  488 fps=0.0 q=-1.0 Lsize=     536kB time=00:00:59.98 bitrate=
 73.2kbits/s speed= 570x
 video:190kB audio:320kB subtitle:0kB other streams:0kB global headers:4kB
 muxing overhead: 4.990967%
 ffmpeg version 4.3.1-2 Copyright (c) 2000-2020 the FFmpeg developers
   built with gcc 10 (Debian 10.2.0-5)
   configuration: --prefix=/usr --extra-version=2 --toolchain=hardened
 --libdir=/usr/lib/i386-linux-gnu --incdir=/usr/include/i386-linux-gnu
 --arch=i386 --enable-gpl --disable-stripping --enable-avresample
 --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite
 --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-
 libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-
 libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus
 --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-
 librubberband --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora
 --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx
 --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2
 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-
 omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2
 --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-
 libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264
 --ignore-tests='hapenc-hap-none,hapenc-hapa-none,hapenc-hapq-none'
 --enable-shared
   libavutil      56. 51.100 / 56. 51.100
   libavcodec     58. 91.100 / 58. 91.100
   libavformat    58. 45.100 / 58. 45.100
   libavdevice    58. 10.100 / 58. 10.100
   libavfilter     7. 85.100 /  7. 85.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  7.100 /  5.  7.100
   libswresample   3.  7.100 /  3.  7.100
   libpostproc    55.  7.100 / 55.  7.100
 Input #0, matroska,webm, from 'broken.webm':
   Metadata:
     ENCODER         : Lavf58.45.100
   Duration: 00:01:00.01, start: 0.018000, bitrate: 73 kb/s
     Stream #0:0(eng): Video: vp8, yuv420p(tv, bt709, progressive),
 887x702, SAR 1:1 DAR 887:702, 10 fps, 10 tbr, 1k tbn, 1k tbc (default)
     Metadata:
       title           : Video
       DURATION        : 00:01:00.000000000
     Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp (default)
     Metadata:
       title           : Audio
       DURATION        : 00:01:00.010000000
 Stream mapping:
   Stream #0:0 -> #0:0 (vp8 (native) -> vp9 (libvpx-vp9))
   Stream #0:1 -> #0:1 (vorbis (native) -> opus (libopus))
 Press [q] to stop, [?] for help
 [libopus @ 0x5835f000] No bit rate set. Defaulting to 96000 bps.
 Too many packets buffered for output stream 0:1.
 [libopus @ 0x5835f000] 1 frames left in the queue on closing
 Conversion failed!
 }}}

 This is on Debian testing on i386 using Debian's build of `ffmpeg`

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8900>
FFmpeg <https://ffmpeg.org>
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