get orientation change from WindowManager for android

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

@@ -15,6 +15,7 @@ import android.util.Log
 import android.util.Size
 import android.view.Surface
 import android.view.SurfaceHolder
+import android.view.WindowManager
 import androidx.core.content.ContextCompat
 import com.google.mlkit.vision.barcode.common.Barcode
 import com.mrousavy.camera.core.capture.RepeatingCaptureRequest
@@ -425,6 +426,19 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
 
       val fps = configuration?.fps ?: 30
 
+      // Get actual device rotation from WindowManager instead of relying on
+      // the orientation prop from React, which may not update on Android when
+      // rotating between landscape-left and landscape-right.
+      val windowManager = context.getSystemService(Context.WINDOW_SERVICE) as WindowManager
+      val deviceRotation = windowManager.defaultDisplay.rotation
+      val actualOrientation = when (deviceRotation) {
+        Surface.ROTATION_0 -> Orientation.PORTRAIT
+        Surface.ROTATION_90 -> Orientation.LANDSCAPE_LEFT
+        Surface.ROTATION_180 -> Orientation.PORTRAIT_UPSIDE_DOWN
+        Surface.ROTATION_270 -> Orientation.LANDSCAPE_RIGHT
+        else -> Orientation.PORTRAIT
+      }
+
       val recording = RecordingSession(
         context,
         cameraId,

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

@@ -105,12 +105,6 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
     muxerContext?.finish()
     chunkIndex++
 
-    val format = this.encodedFormat
-    if (format == null) {
-      Log.e(TAG, "Cannot create muxer: encodedFormat is null (onOutputFormatChanged not called yet)")
-      return
-    }
-
     val newFileName = "$chunkIndex.mp4"
     val newOutputFile = File(this.outputDirectory, newFileName)
     Log.i(TAG, "Creating new muxer for file: $newFileName")
@@ -120,7 +114,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
     )
     muxer.setOrientationHint(orientationHint)
     muxerContext = MuxerContext(
-        muxer, newOutputFile, chunkIndex, bufferInfo.presentationTimeUs, format, this.callbacks
+        muxer, newOutputFile, chunkIndex, bufferInfo.presentationTimeUs, this.encodedFormat!!, this.callbacks
     )
   }
 
@@ -129,8 +123,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
   }
 
   private fun chunkLengthUs(bufferInfo: BufferInfo): Long {
-    val context = muxerContext ?: return 0L
+    return bufferInfo.presentationTimeUs - muxerContext!!.startTimeUs
-    return bufferInfo.presentationTimeUs - context.startTimeUs
   }
 
   fun start() {
@@ -162,13 +155,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
       if (muxerContext == null || (atKeyframe(bufferInfo) && chunkLengthUs(bufferInfo) >= targetDurationUs)) {
         this.createNextMuxer(bufferInfo)
       }
-      val context = muxerContext
+      muxerContext!!.muxer.writeSampleData(muxerContext!!.videoTrack, encodedData, bufferInfo)
-      if (context == null) {
-        Log.e(TAG, "Cannot write sample data: muxerContext is null")
-        encoder.releaseOutputBuffer(index, false)
-        return
-      }
-      context.muxer.writeSampleData(context.videoTrack, encodedData, bufferInfo)
       encoder.releaseOutputBuffer(index, false)
     }
   }

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

@@ -9,8 +9,10 @@ import android.os.Looper
 import android.util.Log
 import android.util.Size
 import android.view.PixelCopy
+import android.view.Surface
 import android.view.SurfaceHolder
 import android.view.SurfaceView
+import android.view.WindowManager
 import com.facebook.react.bridge.UiThreadUtil
 import com.mrousavy.camera.extensions.resize
 import com.mrousavy.camera.extensions.rotatedBy
@@ -150,6 +152,8 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
     val width = frame.width()
     val height = frame.height()
 
+    // Create bitmap matching surface frame dimensions for PixelCopy
+    // The original code swapped dimensions assuming landscape input - keep that for consistency
     val bitmap = Bitmap.createBitmap(height, width, Bitmap.Config.ARGB_8888)
 
     // Use a coroutine to suspend until the PixelCopy request is complete
@@ -159,7 +163,23 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
         bitmap,
         { copyResult ->
           if (copyResult == PixelCopy.SUCCESS) {
-            continuation.resume(rotateBitmap90CounterClockwise(bitmap))
+            // Get actual device rotation from WindowManager instead of relying on
+            // the orientation prop, which may not update on Android when rotating
+            // between landscape-left and landscape-right.
+            val windowManager = context.getSystemService(Context.WINDOW_SERVICE) as WindowManager
+            val deviceRotation = windowManager.defaultDisplay.rotation
+
+            val actualOrientation = when (deviceRotation) {
+                Surface.ROTATION_0 -> Orientation.PORTRAIT
+                Surface.ROTATION_90 -> Orientation.LANDSCAPE_LEFT
+                Surface.ROTATION_180 -> Orientation.PORTRAIT_UPSIDE_DOWN
+                Surface.ROTATION_270 -> Orientation.LANDSCAPE_RIGHT
+                else -> Orientation.PORTRAIT
+            }
+
+            Log.i(TAG, "getBitmap: orientation prop = $orientation, deviceRotation = $deviceRotation, actualOrientation = $actualOrientation")
+
+            continuation.resume(bitmap.transformBitmap(actualOrientation))
           } else {
             continuation.resumeWithException(
                 RuntimeException("PixelCopy failed with error code $copyResult")

package/android/src/main/java/com/mrousavy/camera/utils/withPromise.kt

@@ -11,6 +11,6 @@ inline fun withPromise(promise: Promise, closure: () -> Any?) {
   } catch (e: Throwable) {
     e.printStackTrace()
     val error = if (e is CameraError) e else UnknownCameraError(e)
-    promise.reject("${error.domain}/${error.id}", error.message ?: "Unknown error", error.cause)
+    promise.reject("${error.domain}/${error.id}", error.message, error.cause)
   }
 }