// video.h
VIDEOPORT_DEPRECATED VIDEOPORT_API BOOLEAN VideoPortSignalDmaComplete(
[in] IN PVOID HwDeviceExtension,
[in] IN PDMA pDmaHandle
);
View the official Windows Driver Kit DDI referenceNo description available.
The VideoPortSignalDmaComplete function is obsolete in Windows 2000 and later.
VideoPortSignalDmaComplete indicates to the video miniport driver whether the current DMA transfer is complete.
HwDeviceExtension [in]Pointer to the miniport driver's device extension.
pDmaHandle [in]Pointer to a DMA handle. To obtain the appropriate DMA handle, use the value in the OutputBuffer member of the pVrp parameter after VideoPortLockPages returns.
VideoPortSignalDmaComplete always returns FALSE.
See Bus-Master DMA in Video Miniport Drivers for information about packet-based and common-buffer DMA transfers.