MF_TOPOLOGY_PLAYBACK_FRAMERATE attribute
Specifies the monitor refresh rate.
Data type
UINT64
Get/set
To get this attribute, call MFGetAttributeRatio.
To set this attribute, call MFSetAttributeRatio.
Applies to
Remarks
The topology loader uses this attribute to optimize the pipeline before playback starts. If you set this attribute, also set the MF_TOPOLOGY_STATIC_PLAYBACK_OPTIMIZATIONS attribute to TRUE.
The frame rate is expressed as a ratio. The upper 32 bits of the attribute value contain the numerator, and the lower 32 bits contain the denominator.
The GUID constant for this attribute is exported from mfuuid.lib.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 7 [desktop apps only] |
| Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
| Header |
|
See also