Ut Video Support

[llogan]

Ut Video is a lossless video codec. Multimedia Wiki page on ​Ut Video.

$ ffmpeg -loglevel 99 -i UtVideo_YUV420_ULY0.avi
ffmpeg version N-33353-g3775af0, Copyright (c) 2000-2011 the FFmpeg developers
  built on Oct  7 2011 15:07:40 with gcc 4.6.1 20110819 (prerelease)
  configuration: --prefix=/usr --enable-gpl
  libavutil    51. 20. 0 / 51. 20. 0
  libavcodec   53. 19. 1 / 53. 19. 1
  libavformat  53. 14. 0 / 53. 14. 0
  libavdevice  53.  4. 0 / 53.  4. 0
  libavfilter   2. 43. 6 /  2. 43. 6
  libswscale    2.  1. 0 /  2.  1. 0
  libpostproc  51.  2. 0 / 51.  2. 0
[avi @ 0x2ebb780] Format avi probed with size=2048 and score=100
[AVI demuxer @ 0x2ebbd80] use odml:1
[avi @ 0x2ebb780] parser not found for codec none, packets or times may be invalid.
[avi @ 0x2ebb780] Probe buffer size limit 5000000 reached
Input #0, avi, from 'UtVideo_YUV420_ULY0.avi':
  Metadata:
    date            : 2011-10-07T12:53:53.00943-08:00
  Duration: 00:00:05.00, start: 0.000000, bitrate: 124137 kb/s
    Stream #0:0, 10, 1001/30000: Video: none (ULY0 / 0x30594C55), 1280x720, 1001/30000, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc
At least one output file must be specified

Samples encoded with UT Video 10.0.2:
​UtVideo_RGBA_ULRA.avi
​UtVideo_RGB_ULRG.avi
​UtVideo_YUV420_ULY0.avi
​UtVideo_YUV422_ULY2.avi

[Carl Eugen Hoyos]

Source code (GPLv2+): ​http://umezawa.dyndns.info/archive/utvideo/

[dbuitenh]

I've gotten UT Video to compile on linux (written a patch + Makefile I will send upstream), and I've written a working decoder using the library (works on all your samples.) I shall send it to the mailing list in a few days. Encoder will follow too.

Cheers!

[Carl Eugen Hoyos]

Internal and external decoder that play above samples were committed, a patch to support encoding via external library is certainly welcome!