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VideoPortSetDmaContext function (video.h)

  • Artikel

The VideoPortSetDmaContext function is obsolete in Windows 2000 and later.

Syntax

VIDEOPORT_DEPRECATED VIDEOPORT_API VOID VideoPortSetDmaContext(
  [in]  IN PVOID HwDeviceExtension,
  [out] OUT PDMA pDma,
  [in]  IN PVOID InstanceContext
);

Parameters

[in] HwDeviceExtension

Pointer to the miniport driver's device extension.

[out] pDma

Pointer to a DMA handle.

[in] 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

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