// d3d10umddi.h

PFND3D11_1DDI_CALCPRIVATEVIDEODECODERSIZE Pfnd3d111DdiCalcprivatevideodecodersize;

SIZE_T Pfnd3d111DdiCalcprivatevideodecodersize(
  D3D10DDI_HDEVICE unnamedParam1,
  const D3D11_1DDIARG_CREATEVIDEODECODER *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3d10umddi-pfnd3d11_1ddi_calcprivatevideodecodersize)

PFND3D11_1DDI_CALCPRIVATEVIDEODECODERSIZE callback function

Description

Returns the number of bytes that the driver requires to store private data for the video decoder state.

Parameters

`unnamedParam1`

hDevice [in]

A handle to the display device (graphics context).

`unnamedParam2`

pDecoder [in]

A pointer to a D3D11_1DDIARG_CREATEVIDEODECODER structure that describes the video decoder.

Return value

The required number of bytes for the video decoder state.

Remarks

The runtime will validate the members of the D3D11_1DDIARG_CREATEVIDEODECODER structure before it calls this function.

This function is not expected to fail.

PFND3D11_1DDI_CALCPRIVATEVIDEODECODERSIZE - NtDoc