Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The DXVAHDDDI_DEVICE_USAGE enumeration contains values that identify how the decode device plays video.
Syntax
typedef enum _DXVAHDDDI_DEVICE_USAGE {
DXVAHDDDI_DEVICE_USAGE_PLAYBACK_NORMAL,
DXVAHDDDI_DEVICE_USAGE_OPTIMAL_SPEED,
DXVAHDDDI_DEVICE_USAGE_OPTIMAL_QUALITY
} DXVAHDDDI_DEVICE_USAGE;
Constants
DXVAHDDDI_DEVICE_USAGE_PLAYBACK_NORMALA value that specifies that the device plays video at normal speed. |
DXVAHDDDI_DEVICE_USAGE_OPTIMAL_SPEEDA value that specifies that the device plays video at optimal speed. |
DXVAHDDDI_DEVICE_USAGE_OPTIMAL_QUALITYA value that specifies that the device plays video at optimal quality. |
Remarks
A DXVAHDDDI_DEVICE_USAGE-typed value is specified in the Usage member of a DXVAHDDDI_DEVICE_DESC structure to help describe a decode device.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | DXVAHDDDI_DEVICE_USAGE is supported beginning with the Windows 7 operating system. |
| Header | d3dumddi.h (include D3dumddi.h) |