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VideoPortSignalDmaComplete function

The VideoPortSignalDmaComplete function is obsolete in Windows 2000 and later.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


BOOLEAN VideoPortSignalDmaComplete(
  _In_  PVOID HwDeviceExtension,
  _In_  PDMA pDmaHandle
);

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.

Requirements

Version

Available in Windows 2000 and later versions of the Windows operating systems.

Header

Video.h (include Video.h)

Library

Videoprt.lib

DLL

Videoprt.sys

 

 

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