// video.h

VIDEOPORT_DEPRECATED VIDEOPORT_API VOID VideoPortSetDmaContext(
  [in]  IN PVOID HwDeviceExtension,
  [out] OUT PDMA pDma,
  [in]  IN PVOID InstanceContext
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-video-videoportsetdmacontext)

VideoPortSetDmaContext function

Description

The VideoPortSetDmaContext function is obsolete in Windows 2000 and later.

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.

View the official Windows Driver Kit DDI reference