IMemAllocator::ReleaseBuffer method

The ReleaseBuffer method releases a media sample.

Syntax


HRESULT ReleaseBuffer(
  [in] IMediaSample *pBuffer
);

Parameters

pBuffer [in]

Pointer to the media sample's IMediaSample interface.

Return value

Returns S_OK if successful, or an HRESULT value indicating the cause of the error.

Remarks

When a media sample's reference count reaches zero, it calls this method with itself as the pBuffer parameter. This method releases the sample back to the allocator's list of available samples.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Strmif.h (include Dshow.h)

Library

Strmiids.lib

See also

Error and Success Codes
IMemAllocator Interface

 

 

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