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:
- Call IMFMediaSink::GetStreamSinkByIndex to get the stream sink.
- Query the stream sink for the IMFAttributes interface.
- 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
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps | UWP apps] |
| Minimum supported server |
Windows Server 2008 [desktop apps | UWP apps] |
| Header |
|
See also