Microsoft MPEG-4

• FourCCs: MPG4, MP41, MP42, MP43, DIV3, WMV7, WMV8, AP41, COL1
• Company: Microsoft
• Technical Description: http://ffmpeg.org/~michael/msmpeg4.txt
• Samples:
  • AngelPotion variation: http://samples.mplayerhq.hu/V-codecs/AP41/
  • COL1: http://samples.mplayerhq.hu/V-codecs/COL1/
  • MPG4: http://samples.mplayerhq.hu/testsuite/mpg4.avi
  • MP43: http://samples.mplayerhq.hu/V-codecs/MP43/
  • WMV1/7: http://samples.mplayerhq.hu/V-codecs/WMV1/
  • WMV2/8: http://samples.mplayerhq.hu/V-codecs/WMV8/

The Microsoft MPEG-4 codecs are similar to the ISO MPEG-4 coding standard but with various modifications to specifics such as Huffman tables and prediction methods. These are the different codecs covered under the umbrella of Microsoft's version of MPEG-4:

• Microsoft MPEG-4 version 1
• Microsoft MPEG-4 version 2
• Microsoft MPEG-4 version 3
• Microsoft Windows Media Video v1/v7 (WMV7)
• Microsoft Windows Media Video v2/v8 (WMV2/WMV8)

The full line of Microsoft MPEG-4 codecs is supported by FFmpeg, including XINTRA8 frames.