MPEG-4 regression

[Joel Harhellier]

Attached is an MPEG-4 AVI file which reads correctly up to ffmpeg 3.3.1 but fails afterwards.

ffplay shows the following errors and the video appears scrambled.

C:\Users\harhellierj\Documents\FROMWEB\ffmpeg\ffmpeg-3.3.2-win32-static\bin>ffplay mpeg-4.avi
ffplay version 3.3.2 Copyright (c) 2003-2017 the FFmpeg developers
  built with gcc 7.1.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
[mpeg4 @ 0888aaa0] Multiple VOL headersMultiple VOL headersMultiple VOL headersheader damaged
[mpeg4 @ 0888aaa0] Multiple VOL headersInput #0, avi, from 'mpeg-4.avi':
  Duration: 00:00:03.08, start: 0.000000, bitrate: 2415 kb/s
    Stream #0:0: Video: mpeg4 (Simple Profile) (XVID / 0x44495658), yuv420p, 640x480 [SAR 10:11 DAR 40:33], 2431 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
[mpeg4 @ 0887e2c0] Multiple VOL headersMultiple VOL headersMultiple VOL headersheader damaged
[NULL @ 0888aaa0] Context scratch buffers could not be allocated due to unknown size.
Multiple VOL headers[mpeg4 @ 0887e900] Multiple VOL headersMultiple VOL headerswarning: first frame is no keyframe
[mpeg4 @ 088929c0] Multiple VOL headersheader damaged    0B f=0/0
[mpeg4 @ 088906a0] Multiple VOL headersheader damaged    0B f=0/0   =    0KB vq=  308KB sq=    0B f=0/0
[mpeg4 @ 0887ef40] Multiple VOL headersheader damaged    0B f=0/0   =    0KB vq=  308KB sq=    0B f=0/0
[mpeg4 @ 0887e900] Multiple VOL headersheader damaged    0B f=0/0   =    0KB vq=  312KB sq=    0B f=0/0
[mpeg4 @ 0887e2c0] Multiple VOL headersheader damaged    0B f=0/0   =    0KB vq=  310KB sq=    0B f=0/0
[mpeg4 @ 088929c0] Multiple VOL headersheader damaged    0B f=0/0   =    0KB vq=  309KB sq=    0B f=0/0
[mpeg4 @ 088906a0] Multiple VOL headersheader damaged    0B f=0/0
[mpeg4 @ 0887ef40] Multiple VOL headersheader damaged    0B f=0/0
   5.05 M-V: -0.040 fd=   3 aq=    0KB vq=    0KB sq=    0B f=0/0

[Joel Harhellier]

MPEG-4 avi file

[Carl Eugen Hoyos]

For future tickets: Please remember to always test current FFmpeg git head when reporting bugs here (or asking questions on the user mailing list) and please do not report issues against ffplay if they are reproducible with ffmpeg.

Regression since efeb47fd5d5cbf980e52a6d5e741c3c74b94b5e2

[Carl Eugen Hoyos]

Fixed by Michael in 63a4bdbf3b732504e54cc2b9ec0886e6242a90bc, thank you for the report!