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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

Minimum supported client

Windows 8 [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2012 [desktop apps | Windows Store apps]

Header

Mfreadwrite.h

 

 

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