windows - Media Foundation video decoding -


i'm using media foundation , imfsamplegrabbersinkcallback playback video files , render them texture. able video samples in imfsamplegrabbersinkcallback::onprocesssample method, samples compressed. have way less samples have pixels in render target. according this, media session should load decoder needed (if available), not seem case. if create decoder , add topology myself, video samples still compressed. there in particular missing here ?

thanks.


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