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| import UIKit
import AVFoundation
import AssetsLibrary
class ViewController: UIViewController, AVCaptureFileOutputRecordingDelegate {
var mySession : AVCaptureSession!
var myDevice : AVCaptureDevice!
var myImageOutput : AVCaptureStillImageOutput!
var myVideoOutput : AVCaptureMovieFileOutput!
var myButtonStart : UIButton!
var myButtonStop : UIButton!
override func viewDidLoad() {
super.viewDidLoad()
mySession = AVCaptureSession()
let devices = AVCaptureDevice.devices()
for device in devices{
if(device.position == AVCaptureDevicePosition.Back){
myDevice = device as AVCaptureDevice
}
}
let videoInput = AVCaptureDeviceInput.deviceInputWithDevice(myDevice, error: nil) as AVCaptureDeviceInput
mySession.addInput(videoInput)
let audioCaptureDevice = AVCaptureDevice.devicesWithMediaType(AVMediaTypeAudio)
let audioInput = AVCaptureDeviceInput.deviceInputWithDevice(audioCaptureDevice[0] as AVCaptureDevice, error: nil) as AVCaptureInput
mySession.addInput(audioInput);
myImageOutput = AVCaptureStillImageOutput()
mySession.addOutput(myImageOutput)
myVideoOutput = AVCaptureMovieFileOutput()
mySession.addOutput(myVideoOutput)
let myVideoLayer : AVCaptureVideoPreviewLayer = AVCaptureVideoPreviewLayer.layerWithSession(mySession) as AVCaptureVideoPreviewLayer
myVideoLayer.frame = self.view.bounds
myVideoLayer.videoGravity = AVLayerVideoGravityResizeAspectFill
self.view.layer.addSublayer(myVideoLayer)
mySession.startRunning()
myButtonStart = UIButton(frame: CGRectMake(0,0,120,50))
myButtonStop = UIButton(frame: CGRectMake(0,0,120,50))
myButtonStart.backgroundColor = UIColor.redColor();
myButtonStop.backgroundColor = UIColor.grayColor();
myButtonStart.layer.masksToBounds = true
myButtonStop.layer.masksToBounds = true
myButtonStart.setTitle("开始", forState: .Normal)
myButtonStop.setTitle("停止", forState: .Normal)
myButtonStart.layer.cornerRadius = 20.0
myButtonStop.layer.cornerRadius = 20.0
myButtonStart.layer.position = CGPoint(x: self.view.bounds.width/2 - 70, y:self.view.bounds.height-50)
myButtonStop.layer.position = CGPoint(x: self.view.bounds.width/2 + 70, y:self.view.bounds.height-50)
myButtonStart.addTarget(self, action: "onClickMyButton:", forControlEvents: .TouchUpInside)
myButtonStop.addTarget(self, action: "onClickMyButton:", forControlEvents: .TouchUpInside)
self.view.addSubview(myButtonStart);
self.view.addSubview(myButtonStop);
}
func onClickMyButton(sender: UIButton){
if( sender == myButtonStart ){
let paths = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)
let documentsDirectory = paths[0] as String
let filePath : String? = "\(documentsDirectory)/test.mp4"
let fileURL : NSURL = NSURL(fileURLWithPath: filePath!)!
myVideoOutput.startRecordingToOutputFileURL(fileURL, recordingDelegate: self)
} else if ( sender == myButtonStop ){
myVideoOutput.stopRecording()
}
}
func captureOutput(captureOutput: AVCaptureFileOutput!, didFinishRecordingToOutputFileAtURL outputFileURL: NSURL!, fromConnections connections: [AnyObject]!, error: NSError!) {
let assetsLib = ALAssetsLibrary()
assetsLib.writeVideoAtPathToSavedPhotosAlbum(outputFileURL, completionBlock: nil)
}
}
|
