Hardware Dev Center

Collapse the table of content
Expand the table of content
Expand Minimize

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The VideoPortSetDmaContext function is obsolete in Windows 2000 and later.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 [in]

Pointer to the miniport driver's device extension.

pDma [out]

Pointer to a DMA handle.

InstanceContext [in]

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

Target platform

Desktop

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

 

 

Send comments about this topic to Microsoft

Show:
© 2015 Microsoft