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MFCreateVideoSampleAllocator function

Creates an object that allocates video samples.

Syntax


STDAPI MFCreateVideoSampleAllocator(
  _In_  REFIID riid,
  _Out_ void** ppSampleAllocator
);

Parameters

riid [in]

The identifier of the interface to retrieve. Specify one of the following values:

ValueMeaning
IID_IUnknown

Retrieve an IUnknown pointer.

IID_IMFVideoSampleAllocator

Retrieve an IMFVideoSampleAllocator pointer.

IID_IMFVideoSampleAllocatorCallback

Retrieve an IMFVideoSampleAllocatorCallback pointer.

 

ppSampleAllocator [out]

Receives a pointer to the requested interface. The caller must release the interface.

Return value

If the function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Evr.h

Library

Evr.lib

DLL

Evr.dll

See also

Functions

 

 

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