Extract AVCaptureSession and AVAudioSession setup to extensions

example/ios/Podfile.lock

@@ -279,7 +279,7 @@ PODS:
     - react-native-video/Video (= 5.1.1)
   - react-native-video/Video (5.1.1):
     - React-Core
-  - react-native-vision-camera (1.0.3):
+  - react-native-vision-camera (1.0.4):
     - React-Core
   - React-perflogger (0.64.0)
   - React-RCTActionSheet (0.64.0):
@@ -554,9 +554,9 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   boost-for-react-native: 39c7adb57c4e60d6c5479dd8623128eb5b3f0f2c
   CocoaAsyncSocket: 065fd1e645c7abab64f7a6a2007a48038fdc6a99
-  DoubleConversion: cde416483dac037923206447da6e1454df403714
+  DoubleConversion: cf9b38bf0b2d048436d9a82ad2abe1404f11e7de
   FBLazyVector: 49cbe4b43e445b06bf29199b6ad2057649e4c8f5
-  FBReactNativeSpec: e800dc469340da7e8e47f45145f69d75a7b06874
+  FBReactNativeSpec: 06c29ba6920affcab9cda6154497386d21f43410
   Flipper: d3da1aa199aad94455ae725e9f3aa43f3ec17021
   Flipper-DoubleConversion: 38631e41ef4f9b12861c67d17cb5518d06badc41
   Flipper-Folly: f7a3caafbd74bda4827954fd7a6e000e36355489
@@ -564,7 +564,7 @@ SPEC CHECKSUMS:
   Flipper-PeerTalk: 116d8f857dc6ef55c7a5a75ea3ceaafe878aadc9
   Flipper-RSocket: 602921fee03edacf18f5d6f3d3594ba477f456e5
   FlipperKit: 8a20b5c5fcf9436cac58551dc049867247f64b00
-  glog: 40a13f7840415b9a77023fbcae0f1e6f43192af3
+  glog: 73c2498ac6884b13ede40eda8228cb1eee9d9d62
   hermes-engine: 7d97ba46a1e29bacf3e3c61ecb2804a5ddd02d4f
   libevent: 4049cae6c81cdb3654a443be001fb9bdceff7913
   OpenSSL-Universal: 1aa4f6a6ee7256b83db99ec1ccdaa80d10f9af9b
@@ -583,7 +583,7 @@ SPEC CHECKSUMS:
   react-native-cameraroll: 1965db75c851b15e77a22ca0ac78e32af6b571ae
   react-native-slider: e99fc201cefe81270fc9d81714a7a0f5e566b168
   react-native-video: 0bb76b6d6b77da3009611586c7dbf817b947f30e
-  react-native-vision-camera: 83bc97de3bc01be3a99037dd4cf6c672aef632b7
+  react-native-vision-camera: d0d6fdd334f1536d016b3ca92064f25a6312e09c
   React-perflogger: 9c547d8f06b9bf00cb447f2b75e8d7f19b7e02af
   React-RCTActionSheet: 3080b6e12e0e1a5b313c8c0050699b5c794a1b11
   React-RCTAnimation: 3f96f21a497ae7dabf4d2f150ee43f906aaf516f

ios/CameraView+AVAudioSession.swift

@@ -0,0 +1,75 @@
+//
+//  CameraView+AVAudioSession.swift
+//  VisionCamera
+//
+//  Created by Marc Rousavy on 26.03.21.
+//  Copyright © 2021 Facebook. All rights reserved.
+//
+
+import Foundation
+import AVFoundation
+
+/**
+ Extension for CameraView that sets up the AVAudioSession.
+ */
+extension CameraView {
+  @objc
+  func audioSessionInterrupted(notification: Notification) {
+    ReactLogger.log(level: .error, message: "The Audio Session was interrupted!")
+    guard let userInfo = notification.userInfo,
+          let typeValue = userInfo[AVAudioSessionInterruptionTypeKey] as? UInt,
+          let type = AVAudioSession.InterruptionType(rawValue: typeValue) else {
+      return
+    }
+    switch type {
+    case .began:
+      // TODO: Should we also disable the camera here? I think it will throw a runtime error
+      // disable audio session
+      try? AVAudioSession.sharedInstance().setActive(false)
+      break
+    case .ended:
+      guard let optionsValue = userInfo[AVAudioSessionInterruptionOptionKey] as? UInt else { return }
+      let options = AVAudioSession.InterruptionOptions(rawValue: optionsValue)
+      if options.contains(.shouldResume) {
+        // restart audio session because interruption is over
+        configureAudioSession()
+      } else {
+        ReactLogger.log(level: .error, message: "Cannot resume interrupted Audio Session!")
+      }
+      break
+    }
+  }
+  
+  private final func setAutomaticallyConfiguresAudioSession(_ automaticallyConfiguresAudioSession: Bool) {
+    if captureSession.automaticallyConfiguresApplicationAudioSession != automaticallyConfiguresAudioSession {
+      captureSession.beginConfiguration()
+      captureSession.automaticallyConfiguresApplicationAudioSession = automaticallyConfiguresAudioSession
+      captureSession.commitConfiguration()
+    }
+  }
+  
+  /**
+   Configures the Audio session to allow background-music playback while recording.
+   */
+  internal final func configureAudioSession() {
+    let start = DispatchTime.now()
+    do {
+      setAutomaticallyConfiguresAudioSession(false)
+      let audioSession = AVAudioSession.sharedInstance()
+      if audioSession.category != .playAndRecord {
+        // allow background music playback
+        try audioSession.setCategory(AVAudioSession.Category.playAndRecord, options: [.mixWithOthers, .allowBluetoothA2DP, .defaultToSpeaker])
+      }
+      // TODO: Use https://developer.apple.com/documentation/avfaudio/avaudiosession/3726094-setprefersnointerruptionsfromsys
+      audioSession.trySetAllowHaptics(true)
+      // activate current audio session because camera is active
+      try audioSession.setActive(true)
+    } catch let error as NSError {
+      self.invokeOnError(.session(.audioSessionSetupFailed(reason: error.description)), cause: error)
+      setAutomaticallyConfiguresAudioSession(true)
+    }
+    let end = DispatchTime.now()
+    let nanoTime = end.uptimeNanoseconds - start.uptimeNanoseconds
+    ReactLogger.log(level: .info, message: "Configured Audio session in \(Double(nanoTime) / 1_000_000)ms!")
+  }
+}

ios/CameraView+AVCaptureSession.swift

@@ -0,0 +1,261 @@
+//
+//  CameraView+AVCaptureSession.swift
+//  VisionCamera
+//
+//  Created by Marc Rousavy on 26.03.21.
+//  Copyright © 2021 Facebook. All rights reserved.
+//
+
+import Foundation
+import AVFoundation
+
+/**
+ Extension for CameraView that sets up the AVCaptureSession, Device and Format.
+ */
+extension CameraView {
+  @objc
+  func sessionRuntimeError(notification: Notification) {
+    ReactLogger.log(level: .error, message: "Unexpected Camera Runtime Error occured!")
+    guard let error = notification.userInfo?[AVCaptureSessionErrorKey] as? AVError else {
+      return
+    }
+    
+    invokeOnError(.unknown(message: error._nsError.description), cause: error._nsError)
+    
+    if isActive {
+      // restart capture session after an error occured
+      queue.async {
+        self.captureSession.startRunning()
+      }
+    }
+  }
+  
+  
+  /**
+   Configures the Capture Session.
+   */
+  internal final func configureCaptureSession() {
+    ReactLogger.logJS(level: .info, message: "Configuring Session...")
+    isReady = false
+    
+    #if targetEnvironment(simulator)
+    return invokeOnError(.device(.notAvailableOnSimulator))
+    #endif
+    
+    guard cameraId != nil else {
+      return invokeOnError(.device(.noDevice))
+    }
+    let cameraId = self.cameraId! as String
+    
+    ReactLogger.log(level: .info, message: "Initializing Camera with device \(cameraId)...")
+    captureSession.beginConfiguration()
+    defer {
+      captureSession.commitConfiguration()
+    }
+    
+    if let preset = self.preset {
+      var sessionPreset: AVCaptureSession.Preset?
+      do {
+        sessionPreset = try AVCaptureSession.Preset(withString: preset)
+      } catch let EnumParserError.unsupportedOS(supportedOnOS: os) {
+        return invokeOnError(.parameter(.unsupportedOS(unionName: "Preset", receivedValue: preset, supportedOnOs: os)))
+      } catch {
+        return invokeOnError(.parameter(.invalid(unionName: "Preset", receivedValue: preset)))
+      }
+      if sessionPreset != nil {
+        if captureSession.canSetSessionPreset(sessionPreset!) {
+          captureSession.sessionPreset = sessionPreset!
+        } else {
+          // non-fatal error, so continue with configuration
+          invokeOnError(.format(.invalidPreset(preset: preset)))
+        }
+      }
+    }
+    
+    // INPUTS
+    // Video Input
+    do {
+      if let videoDeviceInput = self.videoDeviceInput {
+        captureSession.removeInput(videoDeviceInput)
+      }
+      guard let videoDevice = AVCaptureDevice(uniqueID: cameraId) else {
+        return invokeOnError(.device(.invalid))
+      }
+      zoom = NSNumber(value: Double(videoDevice.neutralZoomPercent))
+      videoDeviceInput = try AVCaptureDeviceInput(device: videoDevice)
+      guard captureSession.canAddInput(videoDeviceInput!) else {
+        return invokeOnError(.parameter(.unsupportedInput(inputDescriptor: "video-input")))
+      }
+      captureSession.addInput(videoDeviceInput!)
+    } catch {
+      return invokeOnError(.device(.invalid))
+    }
+    
+    // Microphone (Audio Input)
+    do {
+      if let audioDeviceInput = self.audioDeviceInput {
+        captureSession.removeInput(audioDeviceInput)
+      }
+      guard let audioDevice = AVCaptureDevice.default(for: .audio) else {
+        return invokeOnError(.device(.microphoneUnavailable))
+      }
+      
+      audioDeviceInput = try AVCaptureDeviceInput(device: audioDevice)
+      guard captureSession.canAddInput(audioDeviceInput!) else {
+        return invokeOnError(.parameter(.unsupportedInput(inputDescriptor: "audio-input")))
+      }
+      captureSession.addInput(audioDeviceInput!)
+    } catch {
+      return invokeOnError(.device(.invalid))
+    }
+    
+    // OUTPUTS
+    if let photoOutput = self.photoOutput {
+      captureSession.removeOutput(photoOutput)
+    }
+    // Photo Output
+    photoOutput = AVCapturePhotoOutput()
+    photoOutput!.isDepthDataDeliveryEnabled = photoOutput!.isDepthDataDeliverySupported && enableDepthData
+    if let enableHighResolutionCapture = self.enableHighResolutionCapture?.boolValue {
+      photoOutput!.isHighResolutionCaptureEnabled = enableHighResolutionCapture
+    }
+    if #available(iOS 12.0, *) {
+      photoOutput!.isPortraitEffectsMatteDeliveryEnabled = photoOutput!.isPortraitEffectsMatteDeliverySupported && self.enablePortraitEffectsMatteDelivery
+    }
+    guard captureSession.canAddOutput(photoOutput!) else {
+      return invokeOnError(.parameter(.unsupportedOutput(outputDescriptor: "photo-output")))
+    }
+    captureSession.addOutput(photoOutput!)
+    if videoDeviceInput!.device.position == .front {
+      photoOutput!.mirror()
+    }
+    
+    // Video Output
+    if let movieOutput = self.movieOutput {
+      captureSession.removeOutput(movieOutput)
+    }
+    movieOutput = AVCaptureMovieFileOutput()
+    guard captureSession.canAddOutput(movieOutput!) else {
+      return invokeOnError(.parameter(.unsupportedOutput(outputDescriptor: "movie-output")))
+    }
+    captureSession.addOutput(movieOutput!)
+    if videoDeviceInput!.device.position == .front {
+      movieOutput!.mirror()
+    }
+    
+    // Barcode Scanning
+    if let metadataOutput = self.metadataOutput {
+      captureSession.removeOutput(metadataOutput)
+    }
+    if let scannableCodes = self.scannableCodes {
+      // scannableCodes prop is not nil, so enable barcode scanning.
+      guard onCodeScanned != nil else {
+        return invokeOnError(.parameter(.invalidCombination(provided: "scannableCodes", missing: "onCodeScanned")))
+      }
+      metadataOutput = AVCaptureMetadataOutput()
+      guard captureSession.canAddOutput(metadataOutput!) else {
+        return invokeOnError(.parameter(.unsupportedOutput(outputDescriptor: "metadata-output")))
+      }
+      captureSession.addOutput(metadataOutput!)
+      metadataOutput!.setMetadataObjectsDelegate(self, queue: queue)
+      var objectTypes: [AVMetadataObject.ObjectType] = []
+      scannableCodes.forEach { code in
+        do {
+          objectTypes.append(try AVMetadataObject.ObjectType(withString: code))
+        } catch let EnumParserError.unsupportedOS(supportedOnOS: os) {
+          invokeOnError(.parameter(.unsupportedOS(unionName: "CodeType", receivedValue: code, supportedOnOs: os)))
+        } catch {
+          invokeOnError(.parameter(.invalid(unionName: "CodeType", receivedValue: code)))
+        }
+      }
+      metadataOutput!.metadataObjectTypes = objectTypes
+    }
+    
+    invokeOnInitialized()
+    isReady = true
+    ReactLogger.logJS(level: .info, message: "Session successfully configured!")
+  }
+  
+  /**
+   Configures the Video Device to find the best matching Format.
+   */
+  internal final func configureFormat() {
+    ReactLogger.logJS(level: .info, message: "Configuring Format...")
+    guard let filter = self.format else {
+      // Format Filter was null. Ignore it.
+      return
+    }
+    guard let device = videoDeviceInput?.device else {
+      return invokeOnError(.session(.cameraNotReady))
+    }
+    
+    if device.activeFormat.matchesFilter(filter) {
+      ReactLogger.log(level: .info, message: "Active format already matches filter.")
+      return
+    }
+    
+    // get matching format
+    let matchingFormats = device.formats.filter { $0.matchesFilter(filter) }.sorted { $0.isBetterThan($1) }
+    guard let format = matchingFormats.first else {
+      return invokeOnError(.format(.invalidFormat))
+    }
+    
+    do {
+      try device.lockForConfiguration()
+      device.activeFormat = format
+      device.unlockForConfiguration()
+      ReactLogger.logJS(level: .info, message: "Format successfully configured!")
+    } catch let error as NSError {
+      return invokeOnError(.device(.configureError), cause: error)
+    }
+  }
+  
+  /**
+   Configures the Video Device with the given FPS, HDR and ColorSpace.
+   */
+  internal final func configureDevice() {
+    ReactLogger.logJS(level: .info, message: "Configuring Device...")
+    guard let device = videoDeviceInput?.device else {
+      return invokeOnError(.session(.cameraNotReady))
+    }
+    
+    do {
+      try device.lockForConfiguration()
+      
+      if let fps = self.fps?.int32Value {
+        let duration = CMTimeMake(value: 1, timescale: fps)
+        device.activeVideoMinFrameDuration = duration
+        device.activeVideoMaxFrameDuration = duration
+      } else {
+        device.activeVideoMinFrameDuration = CMTime.invalid
+        device.activeVideoMaxFrameDuration = CMTime.invalid
+      }
+      if hdr != nil {
+        if hdr == true && !device.activeFormat.isVideoHDRSupported {
+          return invokeOnError(.format(.invalidHdr))
+        }
+        if !device.automaticallyAdjustsVideoHDREnabled {
+          if device.isVideoHDREnabled != hdr!.boolValue {
+            device.isVideoHDREnabled = hdr!.boolValue
+          }
+        }
+      }
+      if lowLightBoost != nil {
+        if lowLightBoost == true && !device.isLowLightBoostSupported {
+          return invokeOnError(.device(.lowLightBoostNotSupported))
+        }
+        if device.automaticallyEnablesLowLightBoostWhenAvailable != lowLightBoost!.boolValue {
+          device.automaticallyEnablesLowLightBoostWhenAvailable = lowLightBoost!.boolValue
+        }
+      }
+      if colorSpace != nil, let avColorSpace = try? AVCaptureColorSpace(string: String(colorSpace!)) {
+        device.activeColorSpace = avColorSpace
+      }
+      
+      device.unlockForConfiguration()
+      ReactLogger.logJS(level: .info, message: "Device successfully configured!")
+    } catch let error as NSError {
+      return invokeOnError(.device(.configureError), cause: error)
+    }
+  }
+}

ios/CameraView.swift

@@ -136,6 +136,8 @@ final class CameraView: UIView {
   override class var layerClass: AnyClass {
     return AVCaptureVideoPreviewLayer.self
   }
+  
+  internal let captureSession = AVCaptureSession()
 
   // pragma MARK: Exported Properties
   // props that require reconfiguring
@@ -197,49 +199,6 @@ final class CameraView: UIView {
     return layer as! AVCaptureVideoPreviewLayer
   }
 
-  @objc
-  func sessionRuntimeError(notification: Notification) {
-    ReactLogger.log(level: .error, message: "Unexpected Camera Runtime Error occured!")
-    guard let error = notification.userInfo?[AVCaptureSessionErrorKey] as? AVError else {
-      return
-    }
-
-    if isActive {
-      // restart capture session after an error occured
-      queue.async {
-        self.captureSession.startRunning()
-      }
-    }
-    invokeOnError(.unknown(message: error.description), cause: error as NSError)
-  }
-  
-  @objc
-  func audioSessionInterrupted(notification: Notification) {
-    ReactLogger.log(level: .error, message: "The Audio Session was interrupted!")
-    guard let userInfo = notification.userInfo,
-          let typeValue = userInfo[AVAudioSessionInterruptionTypeKey] as? UInt,
-          let type = AVAudioSession.InterruptionType(rawValue: typeValue) else {
-      return
-    }
-    switch type {
-    case .began:
-      // TODO: Should we also disable the camera here? I think it will throw a runtime error
-      // disable audio session
-      try? AVAudioSession.sharedInstance().setActive(false)
-      break
-    case .ended:
-      guard let optionsValue = userInfo[AVAudioSessionInterruptionOptionKey] as? UInt else { return }
-      let options = AVAudioSession.InterruptionOptions(rawValue: optionsValue)
-      if options.contains(.shouldResume) {
-        // restart audio session because interruption is over
-        configureAudioSession()
-      } else {
-        ReactLogger.log(level: .error, message: "Cannot resume interrupted Audio Session!")
-      }
-      break
-    }
-  }
-
   internal final func setTorchMode(_ torchMode: String) {
     guard let device = videoDeviceInput?.device else {
       return invokeOnError(.session(.cameraNotReady))
@@ -302,269 +261,4 @@ final class CameraView: UIView {
     onInitialized([String: Any]())
   }
 
-  // MARK: Private
-
-  private let captureSession = AVCaptureSession()
-
-  private final func setAutomaticallyConfiguresAudioSession(_ automaticallyConfiguresAudioSession: Bool) {
-    if captureSession.automaticallyConfiguresApplicationAudioSession != automaticallyConfiguresAudioSession {
-      captureSession.beginConfiguration()
-      captureSession.automaticallyConfiguresApplicationAudioSession = automaticallyConfiguresAudioSession
-      captureSession.commitConfiguration()
-    }
-  }
-
-  // pragma MARK: Session, Device and Format Configuration
-  /**
-   Configures the Audio session to allow background-music playback while recording.
-   */
-  private final func configureAudioSession() {
-    let start = DispatchTime.now()
-    do {
-      setAutomaticallyConfiguresAudioSession(false)
-      let audioSession = AVAudioSession.sharedInstance()
-      if audioSession.category != .playAndRecord {
-        // allow background music playback
-        try audioSession.setCategory(AVAudioSession.Category.playAndRecord, options: [.mixWithOthers, .allowBluetoothA2DP, .defaultToSpeaker])
-      }
-      // TODO: Use https://developer.apple.com/documentation/avfaudio/avaudiosession/3726094-setprefersnointerruptionsfromsys
-      audioSession.trySetAllowHaptics(true)
-      // activate current audio session because camera is active
-      try audioSession.setActive(true)
-    } catch let error as NSError {
-      self.invokeOnError(.session(.audioSessionSetupFailed(reason: error.description)), cause: error)
-      setAutomaticallyConfiguresAudioSession(true)
-    }
-    let end = DispatchTime.now()
-    let nanoTime = end.uptimeNanoseconds - start.uptimeNanoseconds
-    ReactLogger.log(level: .info, message: "Configured Audio session in \(Double(nanoTime) / 1_000_000)ms!")
-  }
-
-  /**
-   Configures the Capture Session.
-   */
-  private final func configureCaptureSession() {
-    ReactLogger.logJS(level: .info, message: "Configuring Session...")
-    isReady = false
-
-    #if targetEnvironment(simulator)
-      return invokeOnError(.device(.notAvailableOnSimulator))
-    #endif
-
-    guard cameraId != nil else {
-      return invokeOnError(.device(.noDevice))
-    }
-    let cameraId = self.cameraId! as String
-
-    ReactLogger.log(level: .info, message: "Initializing Camera with device \(cameraId)...")
-    captureSession.beginConfiguration()
-    defer {
-      captureSession.commitConfiguration()
-    }
-
-    if let preset = self.preset {
-      var sessionPreset: AVCaptureSession.Preset?
-      do {
-        sessionPreset = try AVCaptureSession.Preset(withString: preset)
-      } catch let EnumParserError.unsupportedOS(supportedOnOS: os) {
-        return invokeOnError(.parameter(.unsupportedOS(unionName: "Preset", receivedValue: preset, supportedOnOs: os)))
-      } catch {
-        return invokeOnError(.parameter(.invalid(unionName: "Preset", receivedValue: preset)))
-      }
-      if sessionPreset != nil {
-        if captureSession.canSetSessionPreset(sessionPreset!) {
-          captureSession.sessionPreset = sessionPreset!
-        } else {
-          // non-fatal error, so continue with configuration
-          invokeOnError(.format(.invalidPreset(preset: preset)))
-        }
-      }
-    }
-
-    // INPUTS
-    // Video Input
-    do {
-      if let videoDeviceInput = self.videoDeviceInput {
-        captureSession.removeInput(videoDeviceInput)
-      }
-      guard let videoDevice = AVCaptureDevice(uniqueID: cameraId) else {
-        return invokeOnError(.device(.invalid))
-      }
-      zoom = NSNumber(value: Double(videoDevice.neutralZoomPercent))
-      videoDeviceInput = try AVCaptureDeviceInput(device: videoDevice)
-      guard captureSession.canAddInput(videoDeviceInput!) else {
-        return invokeOnError(.parameter(.unsupportedInput(inputDescriptor: "video-input")))
-      }
-      captureSession.addInput(videoDeviceInput!)
-    } catch {
-      return invokeOnError(.device(.invalid))
-    }
-
-    // Microphone (Audio Input)
-    do {
-      if let audioDeviceInput = self.audioDeviceInput {
-        captureSession.removeInput(audioDeviceInput)
-      }
-      guard let audioDevice = AVCaptureDevice.default(for: .audio) else {
-        return invokeOnError(.device(.microphoneUnavailable))
-      }
-
-      audioDeviceInput = try AVCaptureDeviceInput(device: audioDevice)
-      guard captureSession.canAddInput(audioDeviceInput!) else {
-        return invokeOnError(.parameter(.unsupportedInput(inputDescriptor: "audio-input")))
-      }
-      captureSession.addInput(audioDeviceInput!)
-    } catch {
-      return invokeOnError(.device(.invalid))
-    }
-
-    // OUTPUTS
-    if let photoOutput = self.photoOutput {
-      captureSession.removeOutput(photoOutput)
-    }
-    // Photo Output
-    photoOutput = AVCapturePhotoOutput()
-    photoOutput!.isDepthDataDeliveryEnabled = photoOutput!.isDepthDataDeliverySupported && enableDepthData
-    if let enableHighResolutionCapture = self.enableHighResolutionCapture?.boolValue {
-      photoOutput!.isHighResolutionCaptureEnabled = enableHighResolutionCapture
-    }
-    if #available(iOS 12.0, *) {
-      photoOutput!.isPortraitEffectsMatteDeliveryEnabled = photoOutput!.isPortraitEffectsMatteDeliverySupported && self.enablePortraitEffectsMatteDelivery
-    }
-    guard captureSession.canAddOutput(photoOutput!) else {
-      return invokeOnError(.parameter(.unsupportedOutput(outputDescriptor: "photo-output")))
-    }
-    captureSession.addOutput(photoOutput!)
-    if videoDeviceInput!.device.position == .front {
-      photoOutput!.mirror()
-    }
-
-    // Video Output
-    if let movieOutput = self.movieOutput {
-      captureSession.removeOutput(movieOutput)
-    }
-    movieOutput = AVCaptureMovieFileOutput()
-    guard captureSession.canAddOutput(movieOutput!) else {
-      return invokeOnError(.parameter(.unsupportedOutput(outputDescriptor: "movie-output")))
-    }
-    captureSession.addOutput(movieOutput!)
-    if videoDeviceInput!.device.position == .front {
-      movieOutput!.mirror()
-    }
-
-    // Barcode Scanning
-    if let metadataOutput = self.metadataOutput {
-      captureSession.removeOutput(metadataOutput)
-    }
-    if let scannableCodes = self.scannableCodes {
-      // scannableCodes prop is not nil, so enable barcode scanning.
-      guard onCodeScanned != nil else {
-        return invokeOnError(.parameter(.invalidCombination(provided: "scannableCodes", missing: "onCodeScanned")))
-      }
-      metadataOutput = AVCaptureMetadataOutput()
-      guard captureSession.canAddOutput(metadataOutput!) else {
-        return invokeOnError(.parameter(.unsupportedOutput(outputDescriptor: "metadata-output")))
-      }
-      captureSession.addOutput(metadataOutput!)
-      metadataOutput!.setMetadataObjectsDelegate(self, queue: queue)
-      var objectTypes: [AVMetadataObject.ObjectType] = []
-      scannableCodes.forEach { code in
-        do {
-          objectTypes.append(try AVMetadataObject.ObjectType(withString: code))
-        } catch let EnumParserError.unsupportedOS(supportedOnOS: os) {
-          invokeOnError(.parameter(.unsupportedOS(unionName: "CodeType", receivedValue: code, supportedOnOs: os)))
-        } catch {
-          invokeOnError(.parameter(.invalid(unionName: "CodeType", receivedValue: code)))
-        }
-      }
-      metadataOutput!.metadataObjectTypes = objectTypes
-    }
-
-    invokeOnInitialized()
-    isReady = true
-    ReactLogger.logJS(level: .info, message: "Session successfully configured!")
-  }
-
-  /**
-   Configures the Video Device to find the best matching Format.
-   */
-  private final func configureFormat() {
-    ReactLogger.logJS(level: .info, message: "Configuring Format...")
-    guard let filter = self.format else {
-      // Format Filter was null. Ignore it.
-      return
-    }
-    guard let device = videoDeviceInput?.device else {
-      return invokeOnError(.session(.cameraNotReady))
-    }
-
-    if device.activeFormat.matchesFilter(filter) {
-      ReactLogger.log(level: .info, message: "Active format already matches filter.")
-      return
-    }
-
-    // get matching format
-    let matchingFormats = device.formats.filter { $0.matchesFilter(filter) }.sorted { $0.isBetterThan($1) }
-    guard let format = matchingFormats.first else {
-      return invokeOnError(.format(.invalidFormat))
-    }
-
-    do {
-      try device.lockForConfiguration()
-      device.activeFormat = format
-      device.unlockForConfiguration()
-      ReactLogger.logJS(level: .info, message: "Format successfully configured!")
-    } catch let error as NSError {
-      return invokeOnError(.device(.configureError), cause: error)
-    }
-  }
-
-  /**
-   Configures the Video Device with the given FPS, HDR and ColorSpace.
-   */
-  private final func configureDevice() {
-    ReactLogger.logJS(level: .info, message: "Configuring Device...")
-    guard let device = videoDeviceInput?.device else {
-      return invokeOnError(.session(.cameraNotReady))
-    }
-
-    do {
-      try device.lockForConfiguration()
-
-      if let fps = self.fps?.int32Value {
-        let duration = CMTimeMake(value: 1, timescale: fps)
-        device.activeVideoMinFrameDuration = duration
-        device.activeVideoMaxFrameDuration = duration
-      } else {
-        device.activeVideoMinFrameDuration = CMTime.invalid
-        device.activeVideoMaxFrameDuration = CMTime.invalid
-      }
-      if hdr != nil {
-        if hdr == true && !device.activeFormat.isVideoHDRSupported {
-          return invokeOnError(.format(.invalidHdr))
-        }
-        if !device.automaticallyAdjustsVideoHDREnabled {
-          if device.isVideoHDREnabled != hdr!.boolValue {
-            device.isVideoHDREnabled = hdr!.boolValue
-          }
-        }
-      }
-      if lowLightBoost != nil {
-        if lowLightBoost == true && !device.isLowLightBoostSupported {
-          return invokeOnError(.device(.lowLightBoostNotSupported))
-        }
-        if device.automaticallyEnablesLowLightBoostWhenAvailable != lowLightBoost!.boolValue {
-          device.automaticallyEnablesLowLightBoostWhenAvailable = lowLightBoost!.boolValue
-        }
-      }
-      if colorSpace != nil, let avColorSpace = try? AVCaptureColorSpace(string: String(colorSpace!)) {
-        device.activeColorSpace = avColorSpace
-      }
-
-      device.unlockForConfiguration()
-      ReactLogger.logJS(level: .info, message: "Device successfully configured!")
-    } catch let error as NSError {
-      return invokeOnError(.device(.configureError), cause: error)
-    }
-  }
 }

ios/Extensions/AVAudioSession+trySetAllowHaptics.swift

@@ -15,8 +15,8 @@ extension AVAudioSession {
    */
   func trySetAllowHaptics(_ allowHaptics: Bool) {
     if #available(iOS 13.0, *) {
-      if !audioSession.allowHapticsAndSystemSoundsDuringRecording {
+      if !self.allowHapticsAndSystemSoundsDuringRecording {
-        try? audioSession.setAllowHapticsAndSystemSoundsDuringRecording(true)
+        try? self.setAllowHapticsAndSystemSoundsDuringRecording(true)
       }
     }
   }

ios/PhotoCaptureDelegate.swift

@@ -27,8 +27,8 @@ class PhotoCaptureDelegate: NSObject, AVCapturePhotoCaptureDelegate {
     defer {
       delegatesReferences.removeAll(where: { $0 == self })
     }
-    if let error = error {
+    if let error = error as NSError? {
-      return promise.reject(error: .capture(.unknown(message: error.description)), cause: error as NSError)
+      return promise.reject(error: .capture(.unknown(message: error.description)), cause: error)
     }
 
     let error = ErrorPointer(nilLiteral: ())
@@ -66,8 +66,8 @@ class PhotoCaptureDelegate: NSObject, AVCapturePhotoCaptureDelegate {
     defer {
       delegatesReferences.removeAll(where: { $0 == self })
     }
-    if let error = error {
+    if let error = error as NSError? {
-      return promise.reject(error: .capture(.unknown(message: error.description)), cause: error as NSError)
+      return promise.reject(error: .capture(.unknown(message: error.description)), cause: error)
     }
   }
 

ios/VideoCaptureDelegate.swift

@@ -33,8 +33,8 @@ class RecordingDelegateWithCallback: NSObject, AVCaptureFileOutputRecordingDeleg
       self.resetTorchMode()
       delegateReferences.removeAll(where: { $0 == self })
     }
-    if let error = error {
+    if let error = error as NSError? {
-      return callback([NSNull(), makeReactError(.capture(.unknown(message: error.description)), cause: error as NSError)])
+      return callback([NSNull(), makeReactError(.capture(.unknown(message: error.description)), cause: error)])
     }
 
     let seconds = CMTimeGetSeconds(output.recordedDuration)

ios/VisionCamera.xcodeproj/project.pbxproj

@@ -8,6 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		B86DC971260E2D5200FB17B2 /* AVAudioSession+trySetAllowHaptics.swift in Sources */ = {isa = PBXBuildFile; fileRef = B86DC970260E2D5200FB17B2 /* AVAudioSession+trySetAllowHaptics.swift */; };
+		B86DC974260E310600FB17B2 /* CameraView+AVAudioSession.swift in Sources */ = {isa = PBXBuildFile; fileRef = B86DC973260E310600FB17B2 /* CameraView+AVAudioSession.swift */; };
+		B86DC977260E315100FB17B2 /* CameraView+AVCaptureSession.swift in Sources */ = {isa = PBXBuildFile; fileRef = B86DC976260E315100FB17B2 /* CameraView+AVCaptureSession.swift */; };
 		B887518525E0102000DB86D6 /* PhotoCaptureDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = B887515C25E0102000DB86D6 /* PhotoCaptureDelegate.swift */; };
 		B887518625E0102000DB86D6 /* CameraView+RecordVideo.swift in Sources */ = {isa = PBXBuildFile; fileRef = B887515D25E0102000DB86D6 /* CameraView+RecordVideo.swift */; };
 		B887518725E0102000DB86D6 /* CameraViewManager.m in Sources */ = {isa = PBXBuildFile; fileRef = B887515F25E0102000DB86D6 /* CameraViewManager.m */; };
@@ -62,6 +64,8 @@
 /* Begin PBXFileReference section */
 		134814201AA4EA6300B7C361 /* libVisionCamera.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libVisionCamera.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		B86DC970260E2D5200FB17B2 /* AVAudioSession+trySetAllowHaptics.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AVAudioSession+trySetAllowHaptics.swift"; sourceTree = "<group>"; };
+		B86DC973260E310600FB17B2 /* CameraView+AVAudioSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CameraView+AVAudioSession.swift"; sourceTree = "<group>"; };
+		B86DC976260E315100FB17B2 /* CameraView+AVCaptureSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CameraView+AVCaptureSession.swift"; sourceTree = "<group>"; };
 		B887515C25E0102000DB86D6 /* PhotoCaptureDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PhotoCaptureDelegate.swift; sourceTree = "<group>"; };
 		B887515D25E0102000DB86D6 /* CameraView+RecordVideo.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "CameraView+RecordVideo.swift"; sourceTree = "<group>"; };
 		B887515E25E0102000DB86D6 /* CameraBridge.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CameraBridge.h; sourceTree = "<group>"; };
@@ -127,6 +131,8 @@
 				B887515E25E0102000DB86D6 /* CameraBridge.h */,
 				B887518325E0102000DB86D6 /* CameraError.swift */,
 				B887518425E0102000DB86D6 /* CameraView.swift */,
+				B86DC976260E315100FB17B2 /* CameraView+AVCaptureSession.swift */,
+				B86DC973260E310600FB17B2 /* CameraView+AVAudioSession.swift */,
 				B887516C25E0102000DB86D6 /* CameraView+CodeScanning.swift */,
 				B887518025E0102000DB86D6 /* CameraView+Focus.swift */,
 				B887515D25E0102000DB86D6 /* CameraView+RecordVideo.swift */,
@@ -289,6 +295,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B86DC974260E310600FB17B2 /* CameraView+AVAudioSession.swift in Sources */,
 				B887518625E0102000DB86D6 /* CameraView+RecordVideo.swift in Sources */,
 				B88751A225E0102000DB86D6 /* AVCaptureColorSpace+descriptor.swift in Sources */,
 				B887518925E0102000DB86D6 /* Collection+safe.swift in Sources */,
@@ -310,6 +317,7 @@
 				B887518B25E0102000DB86D6 /* AVCaptureDevice.Format+isBetterThan.swift in Sources */,
 				B887518E25E0102000DB86D6 /* AVFrameRateRange+includes.swift in Sources */,
 				B88751A125E0102000DB86D6 /* AVCaptureDevice.Position+descriptor.swift in Sources */,
+				B86DC977260E315100FB17B2 /* CameraView+AVCaptureSession.swift in Sources */,
 				B887518A25E0102000DB86D6 /* AVCaptureDevice+neutralZoom.swift in Sources */,
 				B88751A325E0102000DB86D6 /* AVCaptureDevice.FlashMode+descriptor.swift in Sources */,
 				B887519A25E0102000DB86D6 /* AVVideoCodecType+descriptor.swift in Sources */,