// d3dumddi.h
typedef struct _DXVADDI_PRIVATEDATA {
[in] VOID *pData;
[in] UINT DataSize;
} DXVADDI_PRIVATEDATA;
View the official Windows Driver Kit DDI referenceNo description available.
The DXVADDI_PRIVATEDATA structure encapsulates private data for a DirectX Video Acceleration (DXVA) extension device.
pData [in]A pointer to a buffer that contains private, driver-defined data for the extension device.
DataSize [in]The size, in bytes, of the buffer that is pointed to by pData.
For more information, see Extended Support for DirectX VA 2.0.
D3DDDIARG_CREATEEXTENSIONDEVICE
D3DDDIARG_DECODEEXTENSIONEXECUTE