Type Alias

FxTimeBase

Defines whether time bases are relative or absolute.

Declaration

typedef NSUInteger FxTimeBase;

Topics

Constants

kFxTimeBase_TIMELINE

Times are absolute frame numbers, where 0 is the start of the timeline.

kFxTimeBase_CLIP

Times are "clip-relative," meaning that 0 is the start of the clip. For generators and transitions, the clip is the effect itself. For filters, the clip is the video item to which the filter is applied.

See Also

Temporal

FxTemporalImageAPI

The FxTemporalImageAPI protocol defines the methods the host application provides to access an input image at a specific time.

FxTemporalImageAPI_v2

The FxTemporalImageAPI_v2 protocol defines the methods the host application provides to access an input image at a specific time.

FxTemporalTransitionImageAPI

The FxTemporalTransitionImageAPI protocol defines the methods the host application provides to access an input image at a specific time from a transition.

FxTransitionInput

These constants are used to identify one of the two inputs to a transition.