captionSceneChanges(in:)
Determine render time ranges within an enclosing time range to account for visual changes among captions.
Declaration
func captionSceneChanges(in consideredTimeRange: CMTimeRange) -> [AVCaptionRenderer.Scene]Parameters
- consideredTimeRange:
The time range to consider for rendering.
Return Value
An array of render scenes for the time range, or an empty array if there are none.