video_delay is larger in decoder than demuxer

[Carl Eugen Hoyos]

​http://ffmpeg.org/pipermail/ffmpeg-devel/2016-December/204354.html
A user provided a sample that shows a warning on decoding after a cut.

$ ffmpeg -i Sliders\ 5\ 8--56_cut.avi -f null -
ffmpeg version N-82844-g265d451 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl
  libavutil      55. 43.100 / 55. 43.100
  libavcodec     57. 67.100 / 57. 67.100
  libavformat    57. 59.100 / 57. 59.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 68.100 /  6. 68.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[avi @ 0x2e923c0] non-interleaved AVI
Input #0, avi, from 'Sliders 5 8--56_cut.avi':
  Duration: 00:00:13.41, start: 0.000000, bitrate: 1526 kb/s
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 1395 kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 2997 tbc
    Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, fltp, 192 kb/s
Output #0, null, to 'pipe:':
  Metadata:
    encoder         : Lavf57.59.100
    Stream #0:0: Video: wrapped_avframe, yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
    Metadata:
      encoder         : Lavc57.67.100 wrapped_avframe
    Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    Metadata:
      encoder         : Lavc57.67.100 pcm_s16le
Stream mapping:
  Stream #0:0 -> #0:0 (mpeg4 (native) -> wrapped_avframe (native))
  Stream #0:1 -> #0:1 (ac3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[mpeg4 @ 0x2e982a0] video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)video_delay is larger in decoder than demuxer 1 > 0.
If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
frame=  305 fps=0.0 q=-0.0 Lsize=N/A time=00:00:10.17 bitrate=N/A speed= 195x
video:145kB audio:1902kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

The file plays badly with mplayer -demuxer lavf.

[Carl Eugen Hoyos]

Additional sample uploaded to ​http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket6019/