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Enables or disables hardware acceleration for H.264 video decoding.
This property is read/write.
Data type
UINT32 (VT_UI4)
Property GUID
CODECAPI_AVDecVideoAcceleration_H264
Remarks
If the value is zero, the decoder does not use DirectX Video Acceleration (DXVA) for H.264 video decoding. For DirectShow filters, set this property before the decoder's output pin is connected.
Note
When using Media Foundation (or the IMFTransform interface), this property has no effect. See Supporting Direct3D 11 video decoding in Media Foundation for how to use hardware acceleration with Media Foundation components.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps | UWP apps] |
| Minimum supported server |
Windows 2000 Server [desktop apps | UWP apps] |
| Header |
|