CMClock Class
Definition
Important
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A source of time information, such as the system clock.
public class CMClock : CoreMedia.CMClockOrTimebasetype CMClock = class
inherit CMClockOrTimebase- Inheritance
Remarks
Audio devices may also be treated as clocks, since they sample at a specific frequency. The CMClock can calculate drift between instances.
Properties
| Name | Description |
|---|---|
| AnyDisplayIsSynchronizedToLockedGenlockSignalKey |
Identifies the boolean payload value indicating whether any display is synchronized to a locked genlock signal. |
| CurrentTime | |
| DisplayGenlockModeChangedNotification |
Identifies the notification posted when a display enters or leaves genlock mode. |
| Handle | (Inherited from DisposableObject) |
| HostTimeClock | |
| ImplementsGetPreferredStartTimePattern |
Gets whether this clock implements GetPreferredStartTimePattern(CMTime, CMTime, CMTime). |
| IsAnyDisplaySynchronizedToLockedGenlockSignal |
Gets whether any display is synchronized to a locked external genlock signal. |
| Owns | (Inherited from DisposableObject) |
| SourceClock | (Inherited from CMClockOrTimebase) |
| SourceTimebase | (Inherited from CMClockOrTimebase) |
| Time | (Inherited from CMClockOrTimebase) |
| UltimateSourceClock | (Inherited from CMClockOrTimebase) |
Methods
| Name | Description |
|---|---|
| ClearHandle() | (Inherited from DisposableObject) |
| ConvertHostTimeToSystemUnits(CMTime) | |
| CreateAudioClock(CMClockError) | |
| CreateGenlockClock() |
Creates a clock that follows an external genlock signal when synchronized, or host time otherwise. |
| CreateHostTimeFromSystemUnits(UInt64) | |
| Dispose() |
Releases all resources used by this object. (Inherited from DisposableObject) |
| Dispose(Boolean) |
Releases the resources used by this object. (Inherited from NativeObject) |
| Equals(Object) | (Inherited from DisposableObject) |
| GetAnchorTime(CMTime, CMTime) | |
| GetCheckedHandle() | (Inherited from DisposableObject) |
| GetHashCode() | (Inherited from DisposableObject) |
| GetPreferredStartTimePattern(CMTime, CMTime, CMTime) |
Gets the pattern of preferred start times for synchronization with an external signal. |
| InitializeHandle(NativeHandle) | (Inherited from DisposableObject) |
| Invalidate() | |
| MightDrift(CMClock) | |
| Release() | (Inherited from NativeObject) |
| Retain() | (Inherited from NativeObject) |
Extension Methods
| Name | Description |
|---|---|
| GetHandle(INativeObject) | |
| GetNonNullHandle(INativeObject, String) | |