// d3dumddi.h

typedef struct _D3DDDIARG_DECODEBEGINFRAME {
  HANDLE             hDecode;
  DXVADDI_PVP_SETKEY *pPVPSetKey;
} D3DDDIARG_DECODEBEGINFRAME;
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Windows Driver Kit DDI reference (ns-d3dumddi-_d3dddiarg_decodebeginframe)

_D3DDDIARG_DECODEBEGINFRAME structure

Description

The D3DDDIARG_DECODEBEGINFRAME structure specifies the Microsoft DirectX Video Accelerator (VA) decoder that should start decoding a frame.

Members

`hDecode`

A handle to the DirectX VA decode device. The user-mode display driver returns this handle in a call to its CreateDecodeDevice function.

`pPVPSetKey`

A pointer to the DXVADDI_PVP_SETKEY structure that contains a key that the driver requires for the decode device to start operating.

D3DDDIARG_DECODEBEGINFRAME - NtDoc