VideoPortSetDmaContext function

The VideoPortSetDmaContext function is obsolete in Windows 2000 and later.

Syntax

VOID VideoPortSetDmaContext(
  _In_  PVOID HwDeviceExtension,
  _Out_ PDMA  pDma,
  _In_  PVOID InstanceContext
);

Parameters

HwDeviceExtension

Pointer to the miniport driver's device extension.

pDma

Pointer to a DMA handle.

InstanceContext

Pointer to the DMA context to set.

Return Value

None

Remarks

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

Requirements

   
Windows version 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