IMFClockStateSink interface (mfidl.h)
Receives state-change notifications from the presentation clock.
Inheritance
The IMFClockStateSink interface inherits from the IUnknown interface. IMFClockStateSink also has these types of members:
Methods
The IMFClockStateSink interface has these methods.
IMFClockStateSink::OnClockPause Called when the presentation clock pauses. |
IMFClockStateSink::OnClockRestart Called when the presentation clock restarts from the same position while paused. |
IMFClockStateSink::OnClockSetRate Called when the rate changes on the presentation clock. |
IMFClockStateSink::OnClockStart Called when the presentation clock starts. |
IMFClockStateSink::OnClockStop Called when the presentation clock stops. |
Remarks
To receive state-change notifications from the presentation clock, implement this interface and call IMFPresentationClock::AddClockStateSink on the presentation clock.
This interface must be implemented by:
- Presentation time sources. The presentation clock uses this interface to request change states from the time source.
- Media sinks. Media sinks use this interface to get notifications when the presentation clock changes.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps | UWP apps] |
Minimum supported server | Windows Server 2008 [desktop apps | UWP apps] |
Target Platform | Windows |
Header | mfidl.h |