IMFExtendedCameraControl::LockPayload method (mfidl.h)

Locks the internal payload buffer contained in the capture device control to enable querying or changing the payload.

Syntax

HRESULT LockPayload(
  BYTE  **ppPayload,
  ULONG *pulPayload
);

Parameters

ppPayload

Receives a BYTE pointer to the buffer containing the raw payload. The caller should not free the buffer directly, but instead should call IMFExtendedCameraControl::UnlockPayload to free the resources.

pulPayload

Receives the size of the buffer returned in ppPayload.

Return value

On success, returns S_OK.

Requirements