IDirect3DDXVADevice9::Execute method

Performs a DirectX Video Acceleration (DXVA) decoding operation.

Syntax

HRESULT Execute(
   DWORD          FunctionNum,
   VOID           *pInputData,
   DWORD          InputSize,
   VOID           *OutputData,
   DWORD          OutputSize,
   DWORD          NumBuffers,
   DXVABufferInfo *pBufferInfo
);

Parameters

FunctionNum

A DWORD that contains one or more DXVA function numbers. For details, refer to the DXVA 1.0 specification.

pInputData

A pointer to a buffer that contains input data for the decoding operation. The meaning of this data depends on the surface type and function number.

InputSize

The size of the input data, in bytes.

OutputData

Pointer to a buffer where the video accelerator writes output data.

OutputSize

The size of the OutputData buffer, in bytes.

NumBuffers

The number of elements in the pBufferInfo array.

pBufferInfo

A pointer to an array of DXVABufferInfo structures.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Dxva.h

See also

IDirect3DDXVADevice9