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VideoPortSignalDmaComplete function (video.h)

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The VideoPortSignalDmaComplete function is obsolete in Windows 2000 and later.

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

Syntax

VIDEOPORT_DEPRECATED VIDEOPORT_API BOOLEAN VideoPortSignalDmaComplete(
  [in] IN PVOID HwDeviceExtension,
  [in] IN PDMA  pDmaHandle
);

Parameters

[in] HwDeviceExtension

Pointer to the miniport driver's device extension.

[in] pDmaHandle

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.

Requirements

Requirement Value
Minimum supported client Available in Windows 2000 and later versions of the Windows operating systems.
Target Platform Desktop
Header video.h (include Video.h)
Library Videoprt.lib
DLL Videoprt.sys