Created
January 20, 2017 23:37
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| let fullRange = CMTimeRange(start: kCMTimeZero, duration: CMTime(value: 30, timescale: 1)) | |
| let emptyComposition = AVMutableComposition() | |
| let track = emptyComposition.addMutableTrack(withMediaType: AVMediaTypeVideo, preferredTrackID: 1) | |
| let initialSegment = AVCompositionTrackSegment(url: sourceURL, trackID: 1, sourceTimeRange: fullRange, targetTimeRange: fullRange) | |
| track.segments = [initialSegment] |
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