However, the WM ASF Reader filter does not support playback of streamed content.
This means that, for local playback, applications can use the WM ASF Reader filter to play Windows Media-based content and DirectX VA hardware acceleration will be invoked automatically if the graphics card supports it. For end users, this makes possible high-bit-rate video such as full-screen DVD playback on older computers equipped with DirectX VA-compatible graphics cards.īeginning with the Windows Media Format 9 Series SDK, the DMO Wrapper filter supports DirectX VA. It enables software decoders to offload certain CPU-intensive operations to the graphics card for processing. BackgroundĭirectX Video Acceleration (DirectX VA) is an API specification for hardware acceleration of 2-D decoding operations. This section describes how to enable Microsoft® DirectX® Video Acceleration when playing streamed content in a custom player.
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