File not found error when playing a copied resource using AVPlayerViewController - ios

Question

I am using a sequence of three functions to play a video using AVPlayerViewController on iOS :
first I add the video files to my project by copying them to my project root folder and then drag and drop them in xcode project root
First Function that copies the file to the application's document folder :
a. Get the document path
class func getPath(fileName: String) -> String{
let documentsURL = NSFileManager.defaultManager().URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)[0]
let fileURL = documentsURL.URLByAppendingPathComponent(fileName)
return fileURL.path!
}
b. COPY THE FILE
class func copyFile(fileName: NSString) {
let dbPath: String = getPath(fileName as String)
let fileManager = NSFileManager.defaultManager()
if !fileManager.fileExistsAtPath(dbPath) {
let documentsURL = NSBundle.mainBundle().resourceURL
print(documentsURL)
let fromPath = documentsURL!.URLByAppendingPathComponent(fileName as String)
var error : NSError?
do {
try fileManager.copyItemAtPath(fromPath.path!, toPath: dbPath)
} catch let error1 as NSError {
print(error1.localizedDescription)
}
}
}
In my app delegate application(...) function I call Util.copyFile("EVGS_VID1.MOV")
in a view controller I have a function playVideo(fileName:String) :
func playVideo(fileName:String){
let videoPath:String = Util.getPath(fileName)
var fileSize : UInt64 = 0
//Check if file exists
do {
let attr : NSDictionary? = try NSFileManager.defaultManager().attributesOfItemAtPath(videoPath)
if let _attr = attr {
fileSize = _attr.fileSize();
}
} catch {
print("Error: \(error)")
}
let playerViewController:AVPlayerViewController = AVPlayerViewController()
var url:NSURL = NSURL(fileURLWithPath: videoPath,isDirectory: false)
let player = AVPlayer(URL: url)
playerViewController.player = player
self.presentViewController(playerViewController, animated: true) {
playerViewController.player!.play()
}
}
but when I call the playVideo in my view controller it shows the player with no video and I got an exception :
Error: Error Domain=NSCocoaErrorDomain Code=260 "The file “EVGS_VID1.mov” couldn’t be opened because there is no such file." UserInfo={NSFilePath=/var/mobile/Containers/Data/Application/61169756-1DCE-49B1-99F4-27854DDF4929/Documents/EVGS_VID1.mov, NSUnderlyingError=0x1572bbbf0 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}}
I am using the same functions copyFile and getPath to copy SQLite database and it's working