update for Swift 1.2, Xcode 6.3

Author: mattneub

bk2ch15p659SimplestAVKit/SimplestAVKit/ViewController.swift

@@ -8,12 +8,12 @@ class ViewController: UIViewController {
 
     @IBAction func doPresent(sender: AnyObject) {
 
-        let which = 1
+        let which = 2
         switch which {
         case 1:
             let av = AVPlayerViewController()
-            // let url = NSBundle.mainBundle().URLForResource("ElMirage", withExtension: "mp4")
-            let url = NSBundle.mainBundle().URLForResource("wilhelm", withExtension: "aiff")
+            let url = NSBundle.mainBundle().URLForResource("ElMirage", withExtension: "mp4")
+            // let url = NSBundle.mainBundle().URLForResource("wilhelm", withExtension: "aiff")
             let player = AVPlayer(URL: url)
             av.player = player
             self.presentViewController(av, animated: true, completion: {

bk2ch15p660EmbeddedAVKit/EmbeddedAVKit/ViewController.swift

@@ -72,7 +72,7 @@ class ViewController: UIViewController {
     override func observeValueForKeyPath(keyPath: String, ofObject object: AnyObject, change: [NSObject : AnyObject], context: UnsafeMutablePointer<()>) {
         if keyPath == "readyForDisplay",
             let obj = object as? AVPlayerViewController,
-            let ok = change[NSKeyValueChangeNewKey] as? Bool where ok {
+            ok = change[NSKeyValueChangeNewKey] as? Bool where ok {
                 dispatch_async(dispatch_get_main_queue(), {
                     self.finishConstructingInterface(obj)
                 })
@@ -82,7 +82,7 @@ class ViewController: UIViewController {
     func finishConstructingInterface (vc:AVPlayerViewController) {
         println("finishing")
         vc.removeObserver(self, forKeyPath:"readyForDisplay")
-        vc.view.hidden = false
+        vc.view.hidden = false // hmm, maybe I should be animating the alpha instead
     }
 }
 

bk2ch15p661EmbeddedAVKit2/EmbeddedAVKit/ViewController.swift

@@ -50,7 +50,7 @@ class ViewController: UIViewController {
 
     func getVideoTrack(asset:AVAsset) {
         // we have tracks or we wouldn't be here
-        let vtrack = asset.tracksWithMediaCharacteristic(AVMediaCharacteristicVisual)[0] as AVAssetTrack
+        let vtrack = asset.tracksWithMediaCharacteristic(AVMediaCharacteristicVisual)[0] as! AVAssetTrack
         vtrack.loadValuesAsynchronouslyForKeys(["naturalSize"], completionHandler: {
             let status = vtrack.statusOfValueForKey("naturalSize", error: nil)
             if status == .Loaded {
@@ -89,7 +89,7 @@ class ViewController: UIViewController {
     }
 
     func finishConstructingInterface () {
-        let vc = self.childViewControllers[0] as AVPlayerViewController
+        let vc = self.childViewControllers[0] as! AVPlayerViewController
         if !vc.readyForDisplay {
             return
         }

bk2ch15p669playerLayer/ch28p939playerLayer/ViewController.swift

@@ -87,7 +87,7 @@ class ViewController: UIViewController {
 
         let type = AVMediaTypeVideo
         let arr = oldAsset.tracksWithMediaType(type)
-        let track = arr.last as AVAssetTrack
+        let track = arr.last as! AVAssetTrack
 
         let duration : CMTime = track.timeRange.duration
 
@@ -100,7 +100,7 @@ class ViewController: UIViewController {
 
         let type2 = AVMediaTypeAudio
         let arr2 = oldAsset.tracksWithMediaType(type2)
-        let track2 = arr2.last as AVAssetTrack
+        let track2 = arr2.last as! AVAssetTrack
         let comptrack2 = comp.addMutableTrackWithMediaType(type2, preferredTrackID:Int32(kCMPersistentTrackID_Invalid))
 
         comptrack2.insertTimeRange(CMTimeRangeMake(CMTimeMakeWithSeconds(0,600), CMTimeMakeWithSeconds(5,600)), ofTrack:track2, atTime:CMTimeMakeWithSeconds(0,600), error:nil)
@@ -111,7 +111,7 @@ class ViewController: UIViewController {
         let s = NSBundle.mainBundle().URLForResource("aboutTiagol", withExtension:"m4a")
         let asset = AVURLAsset(URL:s, options:nil)
         let arr3 = asset.tracksWithMediaType(type3)
-        let track3 = arr3.last as AVAssetTrack
+        let track3 = arr3.last as! AVAssetTrack
 
         let comptrack3 = comp.addMutableTrackWithMediaType(type3, preferredTrackID:Int32(kCMPersistentTrackID_Invalid))
         comptrack3.insertTimeRange(CMTimeRangeMake(CMTimeMakeWithSeconds(0,600), CMTimeMakeWithSeconds(10,600)), ofTrack:track3, atTime:CMTimeMakeWithSeconds(0,600), error:nil)
@@ -129,7 +129,7 @@ class ViewController: UIViewController {
 
         self.player.replaceCurrentItemWithPlayerItem(item)
         self.playerLayer.addObserver(self, forKeyPath:"readyForDisplay", options:nil, context:nil)
-        (sender as UIControl).enabled = false
+        (sender as! UIControl).enabled = false
     }
 
     @IBAction func restart (sender:AnyObject!) {

bk2ch15p672AVKit/ch28p939playerLayer/ViewController.swift

@@ -35,7 +35,7 @@ class ViewController: UIViewController {
     }
 
     func finishConstructingInterface () {
-        let vc = self.childViewControllers[0] as AVPlayerViewController
+        let vc = self.childViewControllers[0] as! AVPlayerViewController
         let p = vc.player
         if p.status != .ReadyToPlay {
             return
@@ -79,15 +79,15 @@ class ViewController: UIViewController {
     // can be a mutable composition
 
     @IBAction func doButton2 (sender:AnyObject!) {
-        let vc = self.childViewControllers[0] as AVPlayerViewController
+        let vc = self.childViewControllers[0] as! AVPlayerViewController
         let p = vc.player
         p.pause()
 
         let oldAsset = p.currentItem.asset
 
         let type = AVMediaTypeVideo
         let arr = oldAsset.tracksWithMediaType(type)
-        let track = arr.last as AVAssetTrack
+        let track = arr.last as! AVAssetTrack
 
         let duration : CMTime = track.timeRange.duration
 
@@ -100,7 +100,7 @@ class ViewController: UIViewController {
 
         let type2 = AVMediaTypeAudio
         let arr2 = oldAsset.tracksWithMediaType(type2)
-        let track2 = arr2.last as AVAssetTrack
+        let track2 = arr2.last as! AVAssetTrack
         let comptrack2 = comp.addMutableTrackWithMediaType(type2, preferredTrackID:Int32(kCMPersistentTrackID_Invalid))
 
         comptrack2.insertTimeRange(CMTimeRangeMake(CMTimeMakeWithSeconds(0,600), CMTimeMakeWithSeconds(5,600)), ofTrack:track2, atTime:CMTimeMakeWithSeconds(0,600), error:nil)
@@ -111,7 +111,7 @@ class ViewController: UIViewController {
         let s = NSBundle.mainBundle().URLForResource("aboutTiagol", withExtension:"m4a")
         let asset = AVURLAsset(URL:s, options:nil)
         let arr3 = asset.tracksWithMediaType(type3)
-        let track3 = arr3.last as AVAssetTrack
+        let track3 = arr3.last as! AVAssetTrack
 
         let comptrack3 = comp.addMutableTrackWithMediaType(type3, preferredTrackID:Int32(kCMPersistentTrackID_Invalid))
         comptrack3.insertTimeRange(CMTimeRangeMake(CMTimeMakeWithSeconds(0,600), CMTimeMakeWithSeconds(10,600)), ofTrack:track3, atTime:CMTimeMakeWithSeconds(0,600), error:nil)
@@ -129,7 +129,7 @@ class ViewController: UIViewController {
         // ...we supply the .Initial option
         p.addObserver(self, forKeyPath:"status", options:.Initial, context:nil)
         p.replaceCurrentItemWithPlayerItem(item)
-        (sender as UIControl).enabled = false
+        (sender as! UIControl).enabled = false
     }
 
 

bk2ch15p673onlyOne/ch28p939playerLayer/ViewController.swift

@@ -96,7 +96,7 @@ class ViewController: UIViewController {
 
         let type = AVMediaTypeVideo
         let arr = oldAsset.tracksWithMediaType(type)
-        let track = arr.last as AVAssetTrack
+        let track = arr.last as! AVAssetTrack
 
         let duration : CMTime = track.timeRange.duration
 
@@ -109,7 +109,7 @@ class ViewController: UIViewController {
 
         let type2 = AVMediaTypeAudio
         let arr2 = oldAsset.tracksWithMediaType(type2)
-        let track2 = arr2.last as AVAssetTrack
+        let track2 = arr2.last as! AVAssetTrack
         let comptrack2 = comp.addMutableTrackWithMediaType(type2, preferredTrackID:Int32(kCMPersistentTrackID_Invalid))
 
         comptrack2.insertTimeRange(CMTimeRangeMake(CMTimeMakeWithSeconds(0,600), CMTimeMakeWithSeconds(5,600)), ofTrack:track2, atTime:CMTimeMakeWithSeconds(0,600), error:nil)
@@ -120,7 +120,7 @@ class ViewController: UIViewController {
         let s = NSBundle.mainBundle().URLForResource("aboutTiagol", withExtension:"m4a")
         let asset = AVURLAsset(URL:s, options:nil)
         let arr3 = asset.tracksWithMediaType(type3)
-        let track3 = arr3.last as AVAssetTrack
+        let track3 = arr3.last as! AVAssetTrack
 
         let comptrack3 = comp.addMutableTrackWithMediaType(type3, preferredTrackID:Int32(kCMPersistentTrackID_Invalid))
         comptrack3.insertTimeRange(CMTimeRangeMake(CMTimeMakeWithSeconds(0,600), CMTimeMakeWithSeconds(10,600)), ofTrack:track3, atTime:CMTimeMakeWithSeconds(0,600), error:nil)