VideoPortSignalDmaComplete - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
// video.h

VIDEOPORT_DEPRECATED VIDEOPORT_API BOOLEAN VideoPortSignalDmaComplete(
  [in] IN PVOID HwDeviceExtension,
  [in] IN PDMA  pDmaHandle
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-video-videoportsignaldmacomplete)

VideoPortSignalDmaComplete function

Description

The VideoPortSignalDmaComplete function is obsolete in Windows 2000 and later.

VideoPortSignalDmaComplete indicates to the video miniport driver whether the current DMA transfer is complete.

Parameters

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.

Return value

VideoPortSignalDmaComplete always returns FALSE.

Remarks

See Bus-Master DMA in Video Miniport Drivers for information about packet-based and common-buffer DMA transfers.