start(_:ofImageParameter:)
Provides the start time of the clip the user assigned to the given image parameter for the effect.
Declaration
func start(_ startTime: UnsafeMutablePointer<CMTime>!, ofImageParameter parameterID: UInt32)Parameters
- startTime:
The start time of the clip, in
CMTime. - parameterID:
The ID of the image parameter.
Discussion
In Motion, startTime represents the native start time of the image well input, relative to timeline time.
See Also
Accessing Timing Values
frameDuration(_:)sampleDuration(_:)startTime(forEffect:)durationTime(forEffect:)startTimeOfInput(toFilter:)durationTimeOfInput(toFilter:)durationTime(_:ofImageParameter:)inPointTimeOfTimeline(forEffect:)outPointTimeOfTimeline(forEffect:)timelineTime(_:fromInputTime:)timelineTime(_:fromImageTime:forParameterID:)inputTime(_:fromTimelineTime:)imageTime(_:forParameterID:fromTimelineTime:)fieldOrderForInput(toFilter:)timelineFpsNumerator(for:)