Я пытаюсь использовать видеокамеру для собственного приложения. Моя камера работает и записывает видео. Проблема в том, что после того, как я переключаю камеру, микрофон не работает. Я не знаю, в чем здесь ошибка ..
Извините за мой плохой английский sh: (
Вот код:
import UIKit
import AVFoundation
class CameraViewController: UIViewController, AVCaptureFileOutputRecordingDelegate {
// MARK: - Outlet
@IBOutlet weak var camPreview: UIView!
// MARK: - var /let
let cameraButton = UIView()
let captureSession = AVCaptureSession()
let movieOutput = AVCaptureMovieFileOutput()
var previewLayer: AVCaptureVideoPreviewLayer!
var activeInput: AVCaptureDeviceInput!
var backFacingCamera: AVCaptureDevice?
var frontFacingCamera: AVCaptureDevice?
var currentDevice: AVCaptureDevice?
var outputURL: URL!
override func viewDidLoad() {
super.viewDidLoad()
let devices = AVCaptureDevice.devices(for: AVMediaType.video)
for device in devices {
if device.position == .front {
frontFacingCamera = device
} else if device.position == .back {
backFacingCamera = device
}
}
// Do any additional setup after loading the view.
if setupSession() {
setupPreview()
startSession()
}
cameraButton.isUserInteractionEnabled = true
let cameraButtonRecognizer = UITapGestureRecognizer(target: self, action: #selector(CameraViewController.startCapture))
cameraButton.addGestureRecognizer(cameraButtonRecognizer)
// cameraButton.frame = CGRect(x: 0, y: 0, width: 100, height: 100)
cameraButton.backgroundColor = UIColor.red
camPreview.addSubview(cameraButton)
}
func setupPreview() {
// Configure previewLayer
previewLayer = AVCaptureVideoPreviewLayer(session: captureSession)
previewLayer.frame = camPreview.bounds
previewLayer.videoGravity = AVLayerVideoGravity.resizeAspectFill
camPreview.layer.addSublayer(previewLayer)
}
//MARK:- Setup Camera
func setupSession() -> Bool {
captureSession.sessionPreset = AVCaptureSession.Preset.high
// Setup Camera
let camera = AVCaptureDevice.default(for: AVMediaType.video)!
do {
let input = try AVCaptureDeviceInput(device: camera)
if captureSession.canAddInput(input) {
captureSession.addInput(input)
activeInput = input
}
} catch {
print("Error setting device video input: \(error)")
return false
}
// Setup Microphone
let microphone = AVCaptureDevice.default(for: AVMediaType.audio)!
do {
let micInput = try AVCaptureDeviceInput(device: microphone)
if captureSession.canAddInput(micInput) {
captureSession.addInput(micInput)
}
} catch {
print("Error setting device audio input: \(error)")
return false
}
// Movie output
if captureSession.canAddOutput(movieOutput) {
captureSession.addOutput(movieOutput)
}
return true
}
func setupCaptureMode(_ mode: Int) {
// Video Mode
}
//MARK:- Camera Session
func startSession() {
if !captureSession.isRunning {
videoQueue().async {
self.captureSession.startRunning()
}
}
}
/* func stopSession() {
if captureSession.isRunning {
videoQueue().async {
self.captureSession.stopRunning()
}
}
} */
func videoQueue() -> DispatchQueue {
return DispatchQueue.main
}
func currentVideoOrientation() -> AVCaptureVideoOrientation {
var orientation: AVCaptureVideoOrientation
switch UIDevice.current.orientation {
case .portrait:
orientation = AVCaptureVideoOrientation.portrait
case .landscapeRight:
orientation = AVCaptureVideoOrientation.landscapeLeft
case .portraitUpsideDown:
orientation = AVCaptureVideoOrientation.portraitUpsideDown
default:
orientation = AVCaptureVideoOrientation.portrait
}
return orientation
}
@objc func startCapture() {
startRecording()
}
//EDIT 1: I FORGOT THIS AT FIRST
func tempURL() -> URL? {
let directory = NSTemporaryDirectory() as NSString
if directory != "" {
let path = directory.appendingPathComponent(NSUUID().uuidString + ".mp4")
return URL(fileURLWithPath: path)
}
return nil
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
let vc = segue.destination as! VideoPlayback
vc.videoURL = sender as? URL
}
func startRecording() {
if movieOutput.isRecording == false {
let connection = movieOutput.connection(with: AVMediaType.video)
if (connection?.isVideoOrientationSupported)! {
connection?.videoOrientation = currentVideoOrientation()
}
if (connection?.isVideoStabilizationSupported)! {
connection?.preferredVideoStabilizationMode = AVCaptureVideoStabilizationMode.auto
}
let device = activeInput.device
if (device.isSmoothAutoFocusSupported) {
do {
try device.lockForConfiguration()
device.isSmoothAutoFocusEnabled = false
device.unlockForConfiguration()
} catch {
print("Error setting configuration: \(error)")
}
}
//EDIT2: And I forgot this
outputURL = tempURL()
movieOutput.startRecording(to: outputURL, recordingDelegate: self)
}
else {
stopRecording()
}
}
func stopRecording() {
if movieOutput.isRecording == true {
movieOutput.stopRecording()
}
}
func capture(_ captureOutput: AVCaptureFileOutput!, didStartRecordingToOutputFileAt fileURL: URL!, fromConnections connections: [Any]!) {
}
func fileOutput(_ output: AVCaptureFileOutput, didFinishRecordingTo outputFileURL: URL, from connections: [AVCaptureConnection], error: Error?) {
if (error != nil) {
print("Error recording movie: \(error!.localizedDescription)")
} else {
let videoRecorded = outputURL! as URL
performSegue(withIdentifier: "showVideo", sender: videoRecorded)
}
}
func toggleCamera() {
captureSession.beginConfiguration()
let newDevice = (currentDevice?.position == . front) ? backFacingCamera : frontFacingCamera
for input in captureSession.inputs {
captureSession.removeInput(input as! AVCaptureDeviceInput)
}
let cameraInput: AVCaptureDeviceInput
do {
cameraInput = try AVCaptureDeviceInput(device: newDevice!)
} catch let error {
print(error)
return
}
if captureSession.canAddInput(cameraInput) {
captureSession.addInput(cameraInput)
}
currentDevice = newDevice
captureSession.commitConfiguration()
}
@IBAction func cameraButtonTapped(_ sender: UIButton) {
startCapture()
}
@IBAction func cancelButton(_ sender: UIButton) {
self.dismiss(animated: true, completion: nil)
}
@IBAction func selfieKameraTapped(_ sender: UIButton) {
toggleCamera()
}
}