Download DirectX® Video Acceleration Specification for Windows Media Video® v8, v9 and vA Decoding (Including SMPTE 421M "VC-1") from Official Microsoft Download Center

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DirectX® Video Acceleration Specification for Windows Media Video® v8, v9 and vA Decoding (Including SMPTE 421M "VC-1")

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Defines extensions to DirectX Video Acceleration (DXVA) to support decoding of Windows Media Video.