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VC-1 Work

September 15th, 2005 by Multimedia Mike

Pursuant to DVD Jon’s post about compiling and using the SMPTE reference VC-1/VC-9/WMV3/WMV9 decoder with VLC, I wrote an FFmpeg module to use the same reference code. Next, I will try to adapt it to xine. Though I hope we do not grow too collectively complacent with this decoder.

I tried decoding 3 different WMV3 videos from 3 unique sources. The reference decoder seemed to work fine on 2 videos but not on the third.





The third videos fails on all frame decodes, usually tripping errors about “FATAL ERROR: DecodeACRunLevel: AC coef array overrun”.

Posted in Open Source Multimedia, Reverse Engineering, Windows Media | Comments Off on VC-1 Work

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