Instance Property


A Boolean value that indicates whether post processing is required for the video composition instruction.


var enablePostProcessing: Bool { get }


A value of false indicates that no post processing is required for the whole duration of the video composition instruction. The composition process is more efficient if the value is false.

The value is true by default.

See Also

Getting Composition Instruction Properties

var backgroundColor: CGColor?

The background color of the composition.

var layerInstructions: [AVVideoCompositionLayerInstruction]

An array of video composition layer instruction instances of that specify how video frames from source tracks should be layered and composed.

var timeRange: CMTimeRange

The time range during which the instruction is effective.

var passthroughTrackID: CMPersistentTrackID

The track identifier from an instruction source frame.

var requiredSourceTrackIDs: [NSValue]

An array of track identifiers required to compose frames for the instruction.