Hello everyone:
I have download ffdshow, and compiled one of its codec part: wmv9, which implement Winodw meida Video codec 9 serials, include : WMV2, WMV3, MSS2 codec. 
Now i load the ff_wmv9 dll  in my application to do screen compression(using mss2). It can work in some machine, but in others, the decompressed data are all black, i do not know what happens, could you like to tell me whats wrong?

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