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MF_SA_REQUIRED_SAMPLE_COUNT attribute

Indicates the number of uncompressed buffers that the enhanced video renderer (EVR) media sink requires for deinterlacing.

Data type

UINT32

Remarks

This is a stream-level attribute. To get the attribute from the EVR, do the following:

  1. Call IMFMediaSink::GetStreamSinkByIndex to get the stream sink.
  2. Query the stream sink for the IMFAttributes interface.
  3. Call IMFAttributes::GetUINT32.

Internally, the mixer provides this attribute to the EVR. To get the attribute from the mixer, call IMFTransform::GetInputStreamAttributes.

The GUID constant for this attribute is exported from mfuuid.lib.

Requirements

Minimum supported client

Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Header

Mftransform.h

See also

IMFAttributes::GetUINT32
IMFAttributes::SetUINT32
Media Foundation Attributes

 

 

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