// d3dumddi.h
typedef struct _DXVAHDDDI_DEVICE_DESC {
[in] DXVAHDDDI_CONTENT_DESC *pContentDesc;
[in] DXVAHDDDI_DEVICE_USAGE Usage;
} DXVAHDDDI_DEVICE_DESC;
View the official Windows Driver Kit DDI referenceNo description available.
The DXVAHDDDI_DEVICE_DESC structure describes a decode device.
pContentDesc [in]A pointer to a DXVAHDDDI_CONTENT_DESC structure that describes how the device decodes content.
Usage [in]A DXVAHDDDI_DEVICE_USAGE-typed value that indicates how the decode device plays video.
The driver considers the value in the Usage member and the information to which pContentDesc points to optimize its capabilities.