IMFSample::AddBuffer method

Adds a buffer to the end of the list of buffers in the sample.


HRESULT AddBuffer(
  IMFMediaBuffer *pBuffer



Pointer to the buffer's IMFMediaBuffer interface.

Return Value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
The method succeeded.
NULL pointer argument.


For uncompressed video data, each buffer should contain a single video frame, and samples should not contain multiple frames. In general, storing multiple buffers in a sample is discouraged.

This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP with Service Pack 2 (SP2) and later.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.


Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfobjects.h (include Mfidl.h)
Library Mfuuid.lib

See Also


Media Samples