Microsoft MPEG-4: Difference between revisions
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(The mpeg4v1 encoder is broken since forever, so a sample is useful) |
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* FourCCs: MP42, MP43, DIV3, WMV7, WMV8, AP41, COL1 | * FourCCs: MPG4, MP41, MP42, MP43, DIV3, WMV7, WMV8, AP41, COL1 | ||
* Company: [[Microsoft]] | * Company: [[Microsoft]] | ||
* Technical Description: http://svn.mplayerhq.hu/michael/trunk/docs/msmpeg4.txt?view=co | * Technical Description: http://svn.mplayerhq.hu/michael/trunk/docs/msmpeg4.txt?view=co | ||
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** AngelPotion variation: [http://samples.mplayerhq.hu/V-codecs/AP41/ http://samples.mplayerhq.hu/V-codecs/AP41/] | ** AngelPotion variation: [http://samples.mplayerhq.hu/V-codecs/AP41/ http://samples.mplayerhq.hu/V-codecs/AP41/] | ||
** COL1: [http://samples.mplayerhq.hu/V-codecs/COL1/ http://samples.mplayerhq.hu/V-codecs/COL1/] | ** COL1: [http://samples.mplayerhq.hu/V-codecs/COL1/ http://samples.mplayerhq.hu/V-codecs/COL1/] | ||
** | ** MPG4: http://samples.mplayerhq.hu/testsuite/mpg4.avi | ||
** MP43: [http://samples.mplayerhq.hu/V-codecs/MP43/ http://samples.mplayerhq.hu/V-codecs/MP43/] | ** MP43: [http://samples.mplayerhq.hu/V-codecs/MP43/ http://samples.mplayerhq.hu/V-codecs/MP43/] | ||
** WMV1/7: [http://samples.mplayerhq.hu/V-codecs/WMV1/ http://samples.mplayerhq.hu/V-codecs/WMV1/] | ** WMV1/7: [http://samples.mplayerhq.hu/V-codecs/WMV1/ http://samples.mplayerhq.hu/V-codecs/WMV1/] |
Revision as of 04:42, 7 July 2010
- FourCCs: MPG4, MP41, MP42, MP43, DIV3, WMV7, WMV8, AP41, COL1
- Company: Microsoft
- Technical Description: http://svn.mplayerhq.hu/michael/trunk/docs/msmpeg4.txt?view=co
- 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.