IMFDesiredSample interface
Enables the presenter for the enhanced video renderer (EVR) to request a specific frame from the video mixer.
The sample objects created by the MFCreateVideoSampleFromSurface function implement this interface. To retrieve a pointer to this interface, call QueryInterface on the sample.
Members
The IMFDesiredSample interface inherits from the IUnknown interface. IMFDesiredSample also has these types of members:
Methods
The IMFDesiredSample interface has these methods.
| Method | Description |
|---|---|
| Clear |
Clears the time stamps previously set by a call to SetDesiredSampleTimeAndDuration. |
| GetDesiredSampleTimeAndDuration |
Called by the mixer to get the time and duration of the sample requested by the presenter. |
| SetDesiredSampleTimeAndDuration |
Called by the presenter to set the time and duration of the sample that it requests from the mixer. |
Requirements
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Minimum supported client |
Windows Vista [desktop apps only] |
|---|---|
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Minimum supported server |
Windows Server 2008 [desktop apps only] |
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Header |
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Library |
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See also