package/android/src/main/java/com/mrousavy/camera/CameraView.kt

@@ -72,10 +72,6 @@ class CameraView(context: Context) :
   var zoom: Float = 1f // in "factor"
   var exposure: Double = 1.0
   var orientation: Orientation = Orientation.PORTRAIT
-      set(value) {
-        field = value
-        previewView.orientation = value
-      }
   var enableZoomGesture = false
     set(value) {
       field = value

package/android/src/main/java/com/mrousavy/camera/CameraViewManager.kt

@@ -10,7 +10,6 @@ import com.mrousavy.camera.types.CodeScannerOptions
 import com.mrousavy.camera.types.Orientation
 import com.mrousavy.camera.types.PixelFormat
 import com.mrousavy.camera.types.ResizeMode
-import android.util.Log
 import com.mrousavy.camera.types.Torch
 import com.mrousavy.camera.types.VideoStabilizationMode
 
@@ -183,7 +182,6 @@ class CameraViewManager : ViewGroupManager<CameraView>() {
   fun setOrientation(view: CameraView, orientation: String?) {
     if (orientation != null) {
       val newMode = Orientation.fromUnionValue(orientation)
-      Log.i(TAG, "Orientation set to: $newMode")
       view.orientation = newMode
     } else {
       view.orientation = Orientation.PORTRAIT

package/android/src/main/java/com/mrousavy/camera/core/CameraSession.kt

@@ -312,7 +312,7 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
         enableHdr
       )
       outputs.add(output)
-
+      // Size is usually landscape, so we flip it here
       previewView?.setSurfaceSize(size.width, size.height, deviceDetails.sensorOrientation)
     }
 

package/android/src/main/java/com/mrousavy/camera/core/ChunkedRecorder.kt

@@ -83,7 +83,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
   }
 
   // Muxer specific
-  private class MuxerContext(val muxer: MediaMuxer, val filepath: File, val chunkIndex: Int, startTimeUs: Long, encodedFormat: MediaFormat, val callbacks: CameraSession.Callback,) {
+  private class MuxerContext(val muxer: MediaMuxer, val filepath: File, val chunkIndex: Int, startTimeUs: Long, encodedFormat: MediaFormat) {
     val videoTrack: Int = muxer.addTrack(encodedFormat)
     val startTimeUs: Long = startTimeUs
 
@@ -95,14 +95,16 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
     fun finish() {
       muxer.stop()
       muxer.release()
-      callbacks.onVideoChunkReady(filepath, chunkIndex)
     }
   }
 
   private var muxerContext: MuxerContext? = null
 
   private fun createNextMuxer(bufferInfo: BufferInfo) {
-    muxerContext?.finish()
+    muxerContext?.let {
+      it.finish()
+      this.callbacks.onVideoChunkReady(it.filepath, it.chunkIndex)
+    }
     chunkIndex++
 
     val newFileName = "$chunkIndex.mp4"
@@ -114,7 +116,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
     )
     muxer.setOrientationHint(orientationHint)
     muxerContext = MuxerContext(
-        muxer, newOutputFile, chunkIndex, bufferInfo.presentationTimeUs, this.encodedFormat!!, this.callbacks
+      muxer, newOutputFile, chunkIndex, bufferInfo.presentationTimeUs, this.encodedFormat!!
     )
   }
 

package/android/src/main/java/com/mrousavy/camera/core/PreviewView.kt

@@ -1,7 +1,6 @@
 package com.mrousavy.camera.core
 
 import android.annotation.SuppressLint
-import android.content.res.Configuration
 import android.content.Context
 import android.graphics.Point
 import android.util.Log
@@ -37,13 +36,6 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
         updateLayout()
       }
     }
-  var orientation: Orientation = Orientation.PORTRAIT
-      set(value) {
-        if (field != value) {
-          Log.i(TAG, "View Orientation changed: $field -> $value")
-          field = value
-        }
-      }
   private var inputOrientation: Orientation = Orientation.LANDSCAPE_LEFT
     set(value) {
       if (field != value) {
@@ -98,14 +90,17 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
     }
   }
 
-  private fun getSize(contentSize: Size, containerSize: Size, resizeMode: ResizeMode): Size {
-    var contentSize = contentSize
-    var androidOrientation = context.getResources().getConfiguration().orientation;
-
-    if (androidOrientation == Configuration.ORIENTATION_LANDSCAPE) {
-      contentSize = Size(contentSize.height, contentSize.width)
+  override fun requestLayout() {
+    super.requestLayout()
+    // Manually trigger measure & layout, as RN on Android skips those.
+    // See this issue: https://github.com/facebook/react-native/issues/17968#issuecomment-721958427
+    post {
+      measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY))
+      layout(left, top, right, bottom)
     }
+  }
 
+  private fun getSize(contentSize: Size, containerSize: Size, resizeMode: ResizeMode): Size {
     val contentAspectRatio = contentSize.width.toDouble() / contentSize.height
     val containerAspectRatio = containerSize.width.toDouble() / containerSize.height
     if (!(contentAspectRatio > 0 && containerAspectRatio > 0)) {
@@ -133,11 +128,11 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
   override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
     super.onMeasure(widthMeasureSpec, heightMeasureSpec)
 
-    val measuredViewSize = Size(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec))
+    val viewSize = Size(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec))
     val surfaceSize = size.rotatedBy(inputOrientation)
-    val fittedSize = getSize(surfaceSize, measuredViewSize, resizeMode)
+    val fittedSize = getSize(surfaceSize, viewSize, resizeMode)
 
-    Log.i(TAG, "PreviewView is $measuredViewSize rendering $surfaceSize orientation ($orientation). Resizing to: $fittedSize ($resizeMode)")
+    Log.i(TAG, "PreviewView is $viewSize, rendering $surfaceSize content ($inputOrientation). Resizing to: $fittedSize ($resizeMode)")
     setMeasuredDimension(fittedSize.width, fittedSize.height)
   }
 

package/ios/CameraView+RecordVideo.swift

@@ -50,12 +50,4 @@ extension CameraView: AVCaptureVideoDataOutputSampleBufferDelegate, AVCaptureAud
   func resumeRecording(promise: Promise) {
     cameraSession.resumeRecording(promise: promise)
   }
-  
-  func lockExposure(promise: Promise) {
-    cameraSession.lockCurrentExposure(promise: promise)
-  }
-  
-  func unlockExposure(promise: Promise) {
-    cameraSession.unlockCurrentExposure(promise: promise)
-  }
 }

package/ios/CameraView.swift

@@ -303,15 +303,6 @@ public final class CameraView: UIView, CameraSessionDelegate {
     }
     onInitialized([:])
   }
-  
-  func onCameraConfigurationChanged(_ configuration: CameraConfiguration?, _ difference: CameraConfiguration.Difference?) {
-    guard let configuration, let difference else { return }
-    
-    if difference.orientationChanged, let connection = previewView.videoPreviewLayer.connection {
-      let videoPreviewLayer = previewView.videoPreviewLayer
-      connection.setOrientation(configuration.orientation)
-    }
-  }
 
   func onCameraStarted() {
     ReactLogger.log(level: .info, message: "Camera started!")

package/ios/CameraViewManager.m

@@ -86,13 +86,5 @@ RCT_EXTERN_METHOD(focus
                   : (NSDictionary*)point resolve
                   : (RCTPromiseResolveBlock)resolve reject
                   : (RCTPromiseRejectBlock)reject);
-RCT_EXTERN_METHOD(lockCurrentExposure
-                  : (nonnull NSNumber*)node resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject);
-RCT_EXTERN_METHOD(unlockCurrentExposure
-                  : (nonnull NSNumber*)node resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject);
 
 @end

package/ios/CameraViewManager.swift

@@ -110,18 +110,6 @@ final class CameraViewManager: RCTViewManager {
       resolve(result.descriptor)
     }
   }
-  
-  @objc
-  final func lockCurrentExposure(_ node: NSNumber, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
-    let component = getCameraView(withTag: node)
-    component.lockExposure(promise: Promise(resolver: resolve, rejecter: reject))
-  }
-  
-  @objc
-  final func unlockCurrentExposure(_ node: NSNumber, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
-    let component = getCameraView(withTag: node)
-    component.unlockExposure(promise: Promise(resolver: resolve, rejecter: reject))
-  }
 
   // MARK: Private
 

package/ios/Core/CameraSession+Video.swift

@@ -34,7 +34,7 @@ extension CameraSession {
       }
 
       let enableAudio = self.configuration?.audio != .disabled
-
+      
       // Callback for when new chunks are ready
       let onChunkReady: (ChunkedRecorder.Chunk) -> Void = { chunk in
         guard let delegate = self.delegate else {
@@ -191,68 +191,4 @@ extension CameraSession {
       }
     }
   }
-
-  func lockCurrentExposure(promise: Promise) {
-    CameraQueues.cameraQueue.async {
-      withPromise(promise) {
-        guard let captureDevice = AVCaptureDevice.default(for: .video) else {
-          print("No capture device available")
-          return
-        }
-
-        guard captureDevice.isExposureModeSupported(.custom) else {
-          ReactLogger.log(level: .info, message: "Custom exposure mode not supported")
-          return
-        }
-        do {
-          // Lock the device for configuration
-          try captureDevice.lockForConfiguration()
-
-          // Get the current exposure duration and ISO
-          let currentExposureDuration = captureDevice.exposureDuration
-          let currentISO = captureDevice.iso
-
-          // Check if the device supports custom exposure settings
-          if captureDevice.isExposureModeSupported(.custom) {
-            // Lock the current exposure and ISO by setting custom exposure mode
-            captureDevice.setExposureModeCustom(duration: currentExposureDuration, iso: currentISO, completionHandler: nil)
-            ReactLogger.log(level: .info, message: "Exposure and ISO locked at current values")
-          } else {
-            ReactLogger.log(level: .info, message:"Custom exposure mode not supported")
-          }
-
-          // Unlock the device after configuration
-          captureDevice.unlockForConfiguration()
-
-        } catch {
-          ReactLogger.log(level: .warning, message:"Error locking exposure: \(error)")
-        }
-
-        return nil
-      }
-    }
-  }
-
-  func unlockCurrentExposure(promise: Promise) {
-    CameraQueues.cameraQueue.async {
-      withPromise(promise) {
-        guard let captureDevice = AVCaptureDevice.default(for: .video) else {
-          print("No capture device available")
-          return
-        }
-
-        do {
-          if captureDevice.isExposureModeSupported(.autoExpose) {
-            try captureDevice.lockForConfiguration()
-            captureDevice.exposureMode = .continuousAutoExposure
-            captureDevice.unlockForConfiguration()
-          }
-        } catch {
-          ReactLogger.log(level: .warning, message:"Error unlocking exposure: \(error)")
-        }
-
-        return nil
-      }
-    }
-  }
 }

package/ios/Core/CameraSession.swift

@@ -195,7 +195,6 @@ class CameraSession: NSObject, AVCaptureVideoDataOutputSampleBufferDelegate, AVC
           self.delegate?.onSessionInitialized()
         }
 
-        self.delegate?.onCameraConfigurationChanged(config, difference)
         // After configuring, set this to the new configuration.
         self.configuration = config
       } catch {

package/ios/Core/CameraSessionDelegate.swift

@@ -21,8 +21,6 @@ protocol CameraSessionDelegate: AnyObject {
    Called when the [CameraSession] successfully initializes
    */
   func onSessionInitialized()
-  
-  func onCameraConfigurationChanged(_ configuration: CameraConfiguration?, _ difference: CameraConfiguration.Difference?)
   /**
    Called when the [CameraSession] starts streaming frames. (isActive=true)
    */

package/ios/Core/ChunkedRecorder.swift

@@ -11,7 +11,7 @@ import AVFoundation
 
 
 class ChunkedRecorder: NSObject {
-
+  
   enum ChunkType {
     case initialization
     case data(index: UInt64, duration: CMTime?)
@@ -21,12 +21,12 @@ class ChunkedRecorder: NSObject {
     let url: URL
     let type: ChunkType
   }
-
+  
   let outputURL: URL
   let onChunkReady: ((Chunk) -> Void)
-
+  
   private var chunkIndex: UInt64 = 0
-
+  
   init(outputURL: URL, onChunkReady: @escaping ((Chunk) -> Void)) throws {
     self.outputURL = outputURL
     self.onChunkReady = onChunkReady
@@ -34,16 +34,16 @@ class ChunkedRecorder: NSObject {
       throw CameraError.unknown(message: "output directory does not exist at: \(outputURL.path)", cause: nil)
     }
   }
-
+  
 }
 
 extension ChunkedRecorder: AVAssetWriterDelegate {
-
-  func assetWriter(_ writer: AVAssetWriter,
+  
+  func assetWriter(_ writer: AVAssetWriter, 
                    didOutputSegmentData segmentData: Data,
                    segmentType: AVAssetSegmentType,
                    segmentReport: AVAssetSegmentReport?) {
-
+    
     switch segmentType {
     case .initialization:
       saveInitSegment(segmentData)
@@ -53,13 +53,13 @@ extension ChunkedRecorder: AVAssetWriterDelegate {
       fatalError("Unknown AVAssetSegmentType!")
     }
   }
-
+  
   private func saveInitSegment(_ data: Data) {
     let url = outputURL.appendingPathComponent("init.mp4")
     save(data: data, url: url)
     onChunkReady(url: url, type: .initialization)
   }
-
+  
   private func saveSegment(_ data: Data, report: AVAssetSegmentReport?) {
     let name = "\(chunkIndex).mp4"
     let url = outputURL.appendingPathComponent(name)
@@ -72,7 +72,7 @@ extension ChunkedRecorder: AVAssetWriterDelegate {
     onChunkReady(url: url, type: .data(index: chunkIndex, duration: duration))
     chunkIndex += 1
   }
-
+  
   private func save(data: Data, url: URL) {
     do {
       try data.write(to: url)
@@ -80,9 +80,9 @@ extension ChunkedRecorder: AVAssetWriterDelegate {
       ReactLogger.log(level: .error, message: "Unable to write \(url): \(error.localizedDescription)")
     }
   }
-
+  
   private func onChunkReady(url: URL, type: ChunkType) {
     onChunkReady(Chunk(url: url, type: type))
   }
-
+  
 }

package/ios/Core/RecordingSession.swift

@@ -84,7 +84,7 @@ class RecordingSession {
       assetWriter.shouldOptimizeForNetworkUse = false
       assetWriter.outputFileTypeProfile = .mpeg4AppleHLS
       assetWriter.preferredOutputSegmentInterval = CMTime(seconds: 6, preferredTimescale: 1)
-
+      
       /*
         Apple HLS fMP4 does not have an Edit List Box ('elst') in an initialization segment to remove
         audio priming duration which advanced audio formats like AAC have, since the sample tables
@@ -95,7 +95,7 @@ class RecordingSession {
       */
       let startTimeOffset = CMTime(value: 10, timescale: 1)
       assetWriter.initialSegmentStartTime = startTimeOffset
-
+      
       assetWriter.delegate = recorder
     } catch let error as NSError {
       throw CameraError.capture(.createRecorderError(message: error.description))

package/ios/Extensions/AVCaptureOutput+mirror.swift

@@ -32,36 +32,28 @@ extension AVCaptureOutput {
   func setOrientation(_ orientation: Orientation) {
     // Set orientation for each connection
     for connection in connections {
-      connection.setOrientation(orientation)
+      #if swift(>=5.9)
+        if #available(iOS 17.0, *) {
+          // Camera Sensors are always in landscape rotation (90deg).
+          // We are setting the target rotation here, so we need to rotate by landscape once.
+          let cameraOrientation = orientation.rotateBy(orientation: .landscapeLeft)
+          let degrees = cameraOrientation.toDegrees()
+
+          // TODO: Don't rotate the video output because it adds overhead. Instead just use EXIF flags for the .mp4 file if recording.
+          //       Does that work when we flip the camera?
+          if connection.isVideoRotationAngleSupported(degrees) {
+            connection.videoRotationAngle = degrees
+          }
+        } else {
+          if connection.isVideoOrientationSupported {
+            connection.videoOrientation = orientation.toAVCaptureVideoOrientation()
+          }
+        }
+      #else
+        if connection.isVideoOrientationSupported {
+          connection.videoOrientation = orientation.toAVCaptureVideoOrientation()
+        }
+      #endif
     }
   }
 }
-
-
-
-extension AVCaptureConnection {
-  func setOrientation(_ orientation: Orientation) {
-    #if swift(>=5.9)
-      if #available(iOS 17.0, *) {
-        // Camera Sensors are always in landscape rotation (90deg).
-        // We are setting the target rotation here, so we need to rotate by landscape once.
-        let cameraOrientation = orientation.rotateBy(orientation: .landscapeLeft)
-        let degrees = cameraOrientation.toDegrees()
-
-        // TODO: Don't rotate the video output because it adds overhead. Instead just use EXIF flags for the .mp4 file if recording.
-        //       Does that work when we flip the camera?
-        if isVideoRotationAngleSupported(degrees) {
-          videoRotationAngle = degrees
-        }
-      } else {
-        if isVideoOrientationSupported {
-          videoOrientation = orientation.toAVCaptureVideoOrientation()
-        }
-      }
-    #else
-      if isVideoOrientationSupported {
-        videoOrientation = orientation.toAVCaptureVideoOrientation()
-      }
-    #endif
-  }
-}

package/ios/TestRecorder/ViewController.swift

@@ -113,19 +113,5 @@ class ViewController: UIViewController {
     }
   }
   
-  override func viewWillTransition(to size: CGSize, with coordinator: any UIViewControllerTransitionCoordinator) {
-    switch UIDevice.current.orientation {
-    case .landscapeLeft:
-      cameraView.orientation = "landscape-right"
-    case .landscapeRight:
-      cameraView.orientation = "landscape-left"
-    default:
-      cameraView.orientation = "portrait"
-    }
-    
-    cameraView.didSetProps([])
-    super.viewWillTransition(to: size, with: coordinator)
-  }
-  
 }
 

package/src/Camera.tsx

@@ -319,22 +319,6 @@ export class Camera extends React.PureComponent<CameraProps, CameraState> {
       throw tryParseNativeCameraError(e)
     }
   }
-
-  public async lockCurrentExposure(): Promise<void> {
-    try {
-      return await CameraModule.lockCurrentExposure(this.handle)
-    } catch (e) {
-      throw tryParseNativeCameraError(e)
-    }
-  }
-
-  public async unlockCurrentExposure(): Promise<void> {
-    try {
-      return await CameraModule.unlockCurrentExposure(this.handle)
-    } catch (e) {
-      throw tryParseNativeCameraError(e)
-    }
-  }
   //#endregion
 
   //#region Static Functions (NativeModule)