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IAMVideoAcceleratorNotify::GetCreateVideoAcceleratorData method

The GetCreateVideoAcceleratorData method gets information needed to create a video accelerator object.

Syntax


HRESULT GetCreateVideoAcceleratorData(
  [in]   const GUID *pGuid,
  [out]  LPWDORD pdwSizeMiscData,
  [out]  LPVOID *ppMiscData
);

Parameters

pGuid [in]

Pointer to a GUID that specifies the DXVA profile in use.

pdwSizeMiscData [out]

Receives the size of the data returned in ppMiscData, in bytes.

ppMiscData [out]

Receives a pointer to a buffer that contains a DXVA_ConnectMode structure. The decoder must call CoTaskMemAlloc to allocate the memory for the structure. The caller must free the memory by calling CoTaskMemFree.

Return value

Returns an HRESULT value that depends on the implementation of the interface. HRESULT can include one of the following standard constants, or other values not listed.

Return codeDescription
E_FAIL

Failure.

E_INVALIDARG

Argument is invalid.

E_NOTIMPL

Method is not supported.

E_POINTER

NULL pointer argument.

S_OK

Success.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Videoacc.h

Library

Strmiids.lib

See also

Error and Success Codes
How Decoders Use IAMVideoAccelerator
IAMVideoAcceleratorNotify Interface

 

 

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