AVAssetReaderVideoCompositionOutputMBS.assetReaderVideoCompositionOutputWithVideoTracks(videoTracks() as AVAssetTrackMBS, videoSettings as dictionary) as AVAssetReaderVideoCompositionOutputMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Returns an instance of AVAssetReaderVideoCompositionOutput for reading composited video from the specified video tracks, using optional video settings.

videoTracks: An array of AVAssetTrack objects from which the created object should read video frames for compositing.
It is an error to include tracks of media types other than AVMediaTypeVideo.
videoSettings: A dictionary of video settings to be used for sample output, or nil if you want to receive decoded samples in a convenient uncompressed format, with properties determined according to the properties of the specified video tracks.
You use keys from <CoreVideo/CVPixelBuffer.h>, depending on the output format you want.
Initialization will fail if the video settings cannot be used with the specified video tracks.

Return san instance of AVAssetReaderVideoCompositionOutput wrapping videoTracks, using the settings specified by videoSettings, or nil if initialization failed.