IAMVideoAcceleratorNotify::GetCreateVideoAcceleratorData method

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

Syntax

HRESULT GetCreateVideoAcceleratorData(
  const GUID *pGuid,
  LPDWORD    pdwSizeMiscData,
  LPVOID     *ppMiscData
);

Parameters

pGuid

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

pdwSizeMiscData

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

ppMiscData

Receives a pointer to a buffer that contains a DXVA_ConnectModestructure. 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 code Description
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]
Target Platform Windows
Header videoacc.h
Library Strmiids.lib

See also

Error and Success Codes

How Decoders Use IAMVideoAccelerator

IAMVideoAcceleratorNotify Interface