IMFDeviceTransformCallback::OnBufferSent method (mftransform.h)
Called when system-allocated frame buffers are sent to the device driver.
Syntax
HRESULT OnBufferSent(
IMFAttributes *pCallbackAttributes,
DWORD pinId
);
Parameters
pCallbackAttributes
The attributes containing the callback data. The System-allocated frame buffer information is stored in the attribute with the MF_DMFT_FRAME_BUFFER_INFO key.
pinId
The identifier of the device pin to which the frame buffers are sent.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
The frame buffer header information provided by this callback is read-only. You should not try to allocate, deallocate, open, or close anything within the header.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 10, version 1803 |
Minimum supported server | Windows Server 2016 |
Target Platform | Windows |
Header | mftransform.h |
See also
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