Я просто пытаюсь объединить массив аудиофайлов. Каждый поток переполнения стека для этого устарел и не работает. Почему это происходит? < /P>
func mergeAudios(recordings: [Recording], completion: @escaping (_ exporter: AVAssetExportSession) -> ()) async {
let composition = AVMutableComposition()
var lastTime: CMTime = .zero
guard let audioTrack = composition.addMutableTrack(withMediaType: .audio, preferredTrackID: kCMPersistentTrackID_Invalid) else { return }
for recording in recordings {
let asset = AVURLAsset(url: recording.fileURL)
do {
try await audioTrack.insertTimeRange(CMTimeRange(start: .zero, duration: asset.load(.duration)), of: asset.loadTracks(withMediaType: .audio)[0], at: lastTime)
} catch {
print(error.localizedDescription)
}
do {
lastTime = try await CMTimeAdd(lastTime, asset.load(.duration))
} catch {
print(error.localizedDescription)
}
}
// MARK: Temp Output URL
let tempURL = URL(fileURLWithPath: NSTemporaryDirectory() + "MergedAudio-\(Date()).mp3")
let exportSession = AVAssetExportSession(asset: composition, presetName: AVAssetExportPresetAppleM4A)
exportSession?.outputFileType = .m4a
exportSession?.outputURL = tempURL
exportSession?.exportAsynchronously {
completion(exportSession!)
}
}
public struct Recording: Hashable {
public let uid: UUID
public var fileURL: URL
public init(fileURL: URL) {
uid = UUID()
self.fileURL = fileURL
}
}
Подробнее здесь: https://stackoverflow.com/questions/780 ... ive-functi
