Video Blur Background in Swift

VideoBlurBackground.swift

//
//  ViewController.swift
//  citizencrossfit
//
//  Created by Mark Jackson on 17/11/2014.
//  Copyright (c) 2014 Mark Jackson. All rights reserved.
//

import UIKit
import Alamofire
import MediaPlayer
import AVFoundation

class ViewController: UIViewController {
    
    var moviePlayer : MPMoviePlayerController?
    var avPlayer : AVPlayer?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        println(self.view)
        // Do any additional setup after loading the view, typically from a nib
        
//        NSNotificationCenter.defaultCenter().addObserver(self, selector: "myMovieFinishedCallback:", name: MPMoviePlayerPlaybackDidFinishNotification, object: self.moviePlayer)
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "myMovieFinishedCallback:", name: AVPlayerItemDidPlayToEndTimeNotification, object: self.avPlayer)
        
        playVid("iphone", type:"MOV")
//        playVideo("iphone", type: "MOV")
        
        var visualEffectView = UIVisualEffectView(effect: UIBlurEffect(style: UIBlurEffectStyle.Light)) as UIVisualEffectView
        visualEffectView.frame = self.view.bounds
        visualEffectView.autoresizingMask = .FlexibleHeight | .FlexibleWidth
        self.view.addSubview(visualEffectView)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    //With Audio
    func playVideo(videoName : String, type: String) {
        let path = NSBundle.mainBundle().pathForResource(videoName, ofType:type)
        let url = NSURL.fileURLWithPath(path!)
        moviePlayer = MPMoviePlayerController(contentURL: url)
        if let player = moviePlayer {
            player.view.frame = self.view.bounds
            
            player.controlStyle = MPMovieControlStyle.None
            player.prepareToPlay()
            player.scalingMode = .AspectFill
            self.view.addSubview(player.view)
        }
         println("it started!")
    }
    
    
    //Without Audio
    //http://stackoverflow.com/questions/15948661/how-to-mute-unmute-audio-when-playing-video-using-mpmovieplayercontroller
    func playVid(videoName: String, type: String){
        let filePath = NSBundle.mainBundle().pathForResource(videoName, ofType: type)
        let asset : AVURLAsset? = AVURLAsset(URL: NSURL(fileURLWithPath: filePath!), options: nil)
        var audioTracks = NSArray()
        audioTracks = asset!.tracksWithMediaType(AVMediaTypeAudio)
        var allAudioParams : NSMutableArray = NSMutableArray()
        
        // Mute all the audio tracks
        for track in audioTracks{
            var audioInputParams : AVMutableAudioMixInputParameters = AVMutableAudioMixInputParameters()
            audioInputParams.setVolume(0, atTime: kCMTimeZero)
            audioInputParams.trackID = track.trackID
            allAudioParams.addObject(audioInputParams)
        }
        let audioZeroMix : AVMutableAudioMix = AVMutableAudioMix()
        audioZeroMix.inputParameters = allAudioParams
        
        // Create a player item
        let playerItem : AVPlayerItem = AVPlayerItem(asset: asset)
        playerItem.audioMix = audioZeroMix
        
        // Create a new Player, and set the player to use the player item
        // with the muted audio mix
        let player : AVPlayer = AVPlayer.playerWithPlayerItem(playerItem) as AVPlayer
        
        self.avPlayer = player
        self.avPlayer?.play()
        
        let layer = AVPlayerLayer(player: self.avPlayer)
        self.avPlayer?.actionAtItemEnd = .None
        
        layer.frame = self.view.bounds
        layer.videoGravity = AVLayerVideoGravityResizeAspectFill
        
        self.view.layer.insertSublayer(layer, below: self.view.layer)
        
    }
    
    
    func myMovieFinishedCallback(note : NSNotification){
        println("movie ended!")
        let p : AVPlayerItem = note.object as AVPlayerItem
        p.seekToTime(kCMTimeZero)
        
//        if(note.object as MPMovieController == self.moviePlayer!){
//            let reason : NSInteger = note.userInfo![MPMoviePlayerPlaybackDidFinishReasonUserInfoKey]!.integerValue
//            if (reason == MPMovieFinishReason.PlaybackEnded.rawValue){
//                self.moviePlayer?.play()
//            }
//        }
    }

}