MF_READWRITE_MMCSS_PRIORITY_AUDIO attribute
Sets the base priority for audio-processing threads created by the Source Reader or Sink Writer.
Data type
INT32 stored as UINT32
Get/set
To get this attribute, call IMFAttributes::GetUINT32.
To set this attribute, call IMFAttributes::SetUINT32.
Remarks
Optionally set this attribute when you create an instance of the Source Reader or Sink Writer. If you set this attribute, also set the MF_READWRITE_MMCSS_CLASS_AUDIO attribute. Otherwise, this attribute is ignored.
When the Source Reader or Sink Writer registers audio-processing threads with the Multimedia Class Scheduler Service, the value of this attribute specifies the base thread priority. If this attribute is not set, the default value is zero.
Requirements
Requirement | Value |
---|---|
Minimum supported client |
Windows 8 [desktop apps | UWP apps] |
Minimum supported server |
Windows Server 2012 [desktop apps | UWP apps] |
Header |
|
See also