Opened 5 years ago

Last modified 3 years ago

#3767 new enhancement

Support fourcc TVMJ

Reported by: cehoyos Owned by:
Priority: wish Component: avcodec
Version: git-master Keywords:
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

http://forum.doom9.org/showthread.php?t=170867
A user provided an avi sample with fourcc TVMJ, presumably "Pinnacle/Truevision? Used by the Targa 2000 board". Possibly a mjpeg-codec.

$ ffmpeg -i orig-1677.avi
ffmpeg version N-64653-gcc3e7a4 Copyright (c) 2000-2014 the FFmpeg developers
  built on Jul 14 2014 00:25:57 with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl
  libavutil      52. 92.100 / 52. 92.100
  libavcodec     55. 69.100 / 55. 69.100
  libavformat    55. 46.100 / 55. 46.100
  libavdevice    55. 13.102 / 55. 13.102
  libavfilter     4. 10.100 /  4. 10.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 19.100 /  0. 19.100
  libpostproc    52.  3.100 / 52.  3.100
[avi @ 0x1a65b20] Could not find codec parameters for stream 0 (Video: none (TVMJ / 0x4A4D5654), 720x486, 66845 kb/s): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
orig-1677.avi: could not find codec parameters
Input #0, avi, from 'orig-1677.avi':
  Duration: 00:00:08.34, start: 0.000000, bitrate: 66591 kb/s
    Stream #0:0: Video: none (TVMJ / 0x4A4D5654), 720x486, 66845 kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc
At least one output file must be specified

Change History (2)

comment:2 Changed 3 years ago by compn

sample works with binary codec just added to mplayer

http://samples.ffmpeg.org/drivers32/new/mmtvmj.dll

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