Anonymous user
Play recorded sounds: Difference between revisions
add swift
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Line 408:
sleep 1
puts "the asynchronous sound is cancelled when the program exits"</lang>
=={{header|Swift}}==
Uses AVFoundation's AVAudioPlayer.
<lang Swift>import AVFoundation
// This example uses AVAudioPlayer for playback.
// AVAudioPlayer is the player Apple recommends for playback, since it suitable for songs
// and offers control over numerous playback parameters.
// It can play any type that is natively supported by OSX or iOS
class PlayerControl: NSObject, AVAudioPlayerDelegate {
let player1:AVAudioPlayer!
let player2:AVAudioPlayer!
var playedBoth = false
var volume:Float {
get {
return player1.volume
}
set {
player1.volume = newValue
player2.volume = newValue
}
}
init(player1:AVAudioPlayer, player2:AVAudioPlayer) {
super.init()
self.player1 = player1
self.player2 = player2
self.player1.delegate = self
self.player2.delegate = self
}
func loop() {
player1.numberOfLoops = 1
player1.play()
let time = Int64((Double(player1.duration) + 2.0) * Double(NSEC_PER_SEC))
dispatch_after(dispatch_time(0, time), dispatch_get_main_queue()) {[weak self] in
println("Stopping track")
self?.player1.stop()
exit(0)
}
}
func playBoth() {
player1.play()
player2.play()
}
func audioPlayerDidFinishPlaying(player:AVAudioPlayer!, successfully flag:Bool) {
if player === player2 && !playedBoth {
playBoth()
playedBoth = true
} else if player === player2 && playedBoth {
loop()
}
}
}
let url1 = NSURL(string: "file:///file1.mp3")
let url2 = NSURL(string: "file:///file2.mp3")
var err:NSError?
let player1 = AVAudioPlayer(contentsOfURL: url1, error: &err)
let player2 = AVAudioPlayer(contentsOfURL: url2, error: &err)
let player = PlayerControl(player1: player1, player2: player2)
// Setting the volume
player.volume = 0.5
// Play track 2
// When this track finishes it will play both of them
// by calling the audioPlayerDidFinishPlaying delegate method
// Once both tracks finish playing, it will then loop the first track twice
// stopping the track after 2 seconds of the second play
player.player2.play()
CFRunLoopRun()</lang>
=={{header|Tcl}}==
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