// d3d10umddi.h

PFND3D11_1DDI_GETVIDEODECODERCONFIGCOUNT Pfnd3d111DdiGetvideodecoderconfigcount;

VOID Pfnd3d111DdiGetvideodecoderconfigcount(
  D3D10DDI_HDEVICE unnamedParam1,
  const D3D11_1DDI_VIDEO_DECODER_DESC *unnamedParam2,
  UINT *unnamedParam3
)
{...}
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Windows Driver Kit DDI reference (nc-d3d10umddi-pfnd3d11_1ddi_getvideodecoderconfigcount)

PFND3D11_1DDI_GETVIDEODECODERCONFIGCOUNT callback function

Description

Queries the number of video decoder configurations that are supported by the display miniport driver for the specified decoder operation.

Parameters

`unnamedParam1`

hDevice [in]

A handle to the display device (graphics context).

`unnamedParam2`

pDecodeDesc [in]

A pointer to a D3D11_1DDI_VIDEO_DECODER_DESC structure that specifies the video decoder operation.

`unnamedParam3`

pConfigCount [out]

A pointer to a UINT value that specifies the maximum number of decoder configurations that are supported.

Remarks

The Microsoft Direct3D runtime verifies that the pDecodeDesc parameter data is valid before it calls the GetVideoDecoderConfigCount function.

PFND3D11_1DDI_GETVIDEODECODERCONFIGCOUNT - NtDoc