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DXVAHDDDI_DEVICE_USAGE enumeration (d3dumddi.h)

  • Article

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_NORMAL
A value that specifies that the device plays video at normal speed.
DXVAHDDDI_DEVICE_USAGE_OPTIMAL_SPEED
A value that specifies that the device plays video at optimal speed.
DXVAHDDDI_DEVICE_USAGE_OPTIMAL_QUALITY
A 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)

See also

DXVAHDDDI_DEVICE_DESC