According to the msdn spec, it says the media session will call GetAttributes on the MFT (which should send the MF_SA_D3D_AWARE attribute back up). For some reason the media session does not call the IMFTransform::GetAttributes(). I am using the PlaybackFX sample.
Any ideas why it doesn't call GetAttributes
DXVA2.0 in MFT
KarenK
I'm going to guess that the transform in question isn't a decoder. In order for the MF session (actually, the topology loader) to do the D3D setup, the MFT in question has to be a decoder, and the MF topology loader has to have inserted it itself. I'm guessing that neither of these is the case for you.
There is a way for you to get D3D set up on your non-decoder MFT, though... by doing it yourself
A couple months ago, I posted an answer to this forum explaining how to do that. Read this thread: http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=862918&SiteID=1
Karma Patrol
Also, there are some updated overviews on this topic in MSDN:
http://msdn2.microsoft.com/en-us/library/bb250376.aspx
Especially see the section "Enable Video Acceleration" in http://msdn2.microsoft.com/en-us/library/bb250371.aspx
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