Merge pull request 'fix: Handle both file:// and file:/ URI prefixes' (#19) from dean/fix-file-prefix-fmp4 into main

Reviewed-on: #19
Reviewed-by: Ivan Malison <ivanmalison@gmail.com>

package/.envrc

@@ -1,5 +0,0 @@
-use flake . --impure
-
-if [ -f .envrc.local ]; then
-    source .envrc.local
-fi

package/android/CMakeLists.txt

@@ -19,9 +19,7 @@ endif()
 
 
 # Add react-native-vision-camera sources
-add_library(
+set(SOURCES
-        ${PACKAGE_NAME}
-        SHARED
         # Shared C++
         ../cpp/MutableRawBuffer.cpp
         # Java JNI
@@ -31,7 +29,11 @@ add_library(
         src/main/cpp/OpenGLContext.cpp
         src/main/cpp/OpenGLRenderer.cpp
         src/main/cpp/MutableJByteBuffer.cpp
-        # Frame Processor
+)
+
+# Only add Frame Processor sources if enabled
+if (ENABLE_FRAME_PROCESSORS)
+        list(APPEND SOURCES
                 src/main/cpp/frameprocessor/FrameHostObject.cpp
                 src/main/cpp/frameprocessor/FrameProcessorPluginHostObject.cpp
                 src/main/cpp/frameprocessor/JSIJNIConversion.cpp
@@ -43,6 +45,18 @@ add_library(
                 src/main/cpp/frameprocessor/java-bindings/JVisionCameraProxy.cpp
                 src/main/cpp/frameprocessor/java-bindings/JVisionCameraScheduler.cpp
         )
+endif()
+
+add_library(
+        ${PACKAGE_NAME}
+        SHARED
+        ${SOURCES}
+)
+
+# Force 16KB page alignment for Android 15+ compatibility
+set_target_properties(${PACKAGE_NAME} PROPERTIES
+    LINK_FLAGS "-Wl,-z,max-page-size=16384"
+)
 
 # Header Search Paths (includes)
 target_include_directories(
@@ -63,7 +77,7 @@ target_link_libraries(
         ${LOG_LIB}                      # <-- Logcat logger
         android                         # <-- Android JNI core
         ReactAndroid::jsi               # <-- RN: JSI
-        ReactAndroid::reactnativejni        # <-- RN: React Native JNI bindings
+        ReactAndroid::reactnative       # <-- RN: React Native JNI bindings (RN 0.76+)
         fbjni::fbjni                    # <-- fbjni
         GLESv2                          # <-- OpenGL (for VideoPipeline)
         EGL                             # <-- OpenGL (EGL) (for VideoPipeline)

package/android/build.gradle

@@ -133,8 +133,16 @@ android {
   }
 
   compileOptions {
-    sourceCompatibility JavaVersion.VERSION_1_8
+    sourceCompatibility JavaVersion.VERSION_17
-    targetCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_17
+  }
+
+  kotlinOptions {
+    jvmTarget = "17"
+    freeCompilerArgs += [
+      "-opt-in=kotlin.RequiresOptIn",
+      "-opt-in=com.facebook.react.annotations.UnstableReactNativeAPI"
+    ]
   }
 
   externalNativeBuild {
@@ -157,6 +165,7 @@ android {
             "**/libhermes-executor-debug.so",
             "**/libhermes_executor.so",
             "**/libreactnativejni.so",
+            "**/libreactnative.so",
             "**/libturbomodulejsijni.so",
             "**/libreact_nativemodule_core.so",
             "**/libjscexecutor.so"

package/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

package/android/src/main/cpp/VisionCamera.cpp

@@ -9,11 +9,13 @@
 
 JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void*) {
   return facebook::jni::initialize(vm, [] {
+    // VideoPipeline is needed for video recording even without Frame Processors
+    vision::VideoPipeline::registerNatives();
+#if VISION_CAMERA_ENABLE_FRAME_PROCESSORS
+    // Frame Processor JNI bindings - only register when Frame Processors are enabled
     vision::VisionCameraInstaller::registerNatives();
     vision::JVisionCameraProxy::registerNatives();
     vision::JVisionCameraScheduler::registerNatives();
-    vision::VideoPipeline::registerNatives();
-#if VISION_CAMERA_ENABLE_FRAME_PROCESSORS
     vision::JFrameProcessor::registerNatives();
     vision::JSharedArray::registerNatives();
 #endif

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

@@ -40,15 +40,26 @@ fun CameraView.invokeOnStopped() {
   this.sendEvent(event)
 }
 
-fun CameraView.invokeOnChunkReady(filepath: File, index: Int) {
+fun CameraView.invokeOnChunkReady(filepath: File, index: Int, durationUs: Long?) {
-  Log.e(CameraView.TAG, "invokeOnError(...):")
+  Log.i(CameraView.TAG, "invokeOnChunkReady(...): index=$index, filepath=$filepath, durationUs=$durationUs")
   val event = Arguments.createMap()
   event.putInt("index", index)
   event.putString("filepath", filepath.toString())
+  if (durationUs != null) {
+    event.putDouble("duration", durationUs / 1_000_000.0) // Convert microseconds to seconds
+  }
   val reactContext = context as ReactContext
   reactContext.getJSModule(RCTEventEmitter::class.java).receiveEvent(id, "onVideoChunkReady", event)
 }
 
+fun CameraView.invokeOnInitReady(filepath: File) {
+  Log.i(CameraView.TAG, "invokeOnInitReady(...): filepath=$filepath")
+  val event = Arguments.createMap()
+  event.putString("filepath", filepath.toString())
+  val reactContext = context as ReactContext
+  reactContext.getJSModule(RCTEventEmitter::class.java).receiveEvent(id, "onInitReady", event)
+}
+
 fun CameraView.invokeOnError(error: Throwable) {
   Log.e(CameraView.TAG, "invokeOnError(...):")
   error.printStackTrace()

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

@@ -13,70 +13,37 @@ import com.facebook.react.bridge.ReadableMap
 import com.facebook.react.bridge.WritableMap
 import com.mrousavy.camera.core.CameraSession
 import com.mrousavy.camera.core.InsufficientStorageError
+import com.mrousavy.camera.utils.FileUtils
 import com.mrousavy.camera.types.Flash
-import com.mrousavy.camera.types.QualityPrioritization
 import com.mrousavy.camera.utils.*
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
 import kotlinx.coroutines.*
 
-private const val TAG = "CameraView.takePhoto"
+private const val TAG = "CameraView.takeSnapshot"
 
 @SuppressLint("UnsafeOptInUsageError")
 suspend fun CameraView.takePhoto(optionsMap: ReadableMap): WritableMap {
   val options = optionsMap.toHashMap()
-  Log.i(TAG, "Taking photo... Options: $options")
+  Log.i(TAG, "Taking snapshot... Options: $options")
+  val bitmap = previewView.getBitmap() ?: throw Error()
 
-  val qualityPrioritization = options["qualityPrioritization"] as? String ?: "balanced"
+  val file = FileUtils.createTempFile(context, "png");
-  val flash = options["flash"] as? String ?: "off"
-  val enableAutoStabilization = options["enableAutoStabilization"] == true
-  val enableShutterSound = options["enableShutterSound"] as? Boolean ?: true
-  val enablePrecapture = options["enablePrecapture"] as? Boolean ?: false
 
-  // TODO: Implement Red Eye Reduction
+  // Write snapshot to .jpg file
-  options["enableAutoRedEyeReduction"]
+  FileUtils.writeBitmapTofile(bitmap, file, 100)
 
-  val flashMode = Flash.fromUnionValue(flash)
+  Log.i(TAG, "Successfully saved snapshot to file!")
-  val qualityPrioritizationMode = QualityPrioritization.fromUnionValue(qualityPrioritization)
-
-  val photo = cameraSession.takePhoto(
-    qualityPrioritizationMode,
-    flashMode,
-    enableShutterSound,
-    enableAutoStabilization,
-    enablePrecapture,
-    orientation
-  )
-
-  photo.use {
-    Log.i(TAG, "Successfully captured ${photo.image.width} x ${photo.image.height} photo!")
-
-    val cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId!!)
-
-    val path = try {
-      savePhotoToFile(context, cameraCharacteristics, photo)
-    } catch (e: IOException) {
-      if (e.message?.contains("no space left", true) == true) {
-        throw InsufficientStorageError()
-      } else {
-        throw e
-      }
-    }
-
-    Log.i(TAG, "Successfully saved photo to file! $path")
 
+  // Parse output data
   val map = Arguments.createMap()
-    map.putString("path", path)
+  map.putString("path", file.absolutePath)
-    map.putInt("width", photo.image.width)
+  map.putInt("width", bitmap.width)
-    map.putInt("height", photo.image.height)
+  map.putInt("height", bitmap.height)
-    map.putString("orientation", photo.orientation.unionValue)
+  map.putBoolean("isMirrored", false)
-    map.putBoolean("isRawPhoto", photo.format == ImageFormat.RAW_SENSOR)
-    map.putBoolean("isMirrored", photo.isMirrored)
-
   return map
 }
-}
 
 private fun writePhotoToFile(photo: CameraSession.CapturedPhoto, file: File) {
   val byteBuffer = photo.image.planes[0].buffer

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

@@ -102,7 +102,7 @@ class CameraView(context: Context) :
 
   // session
   internal val cameraSession: CameraSession
-  private val previewView: PreviewView
+  val previewView: PreviewView
   private var currentConfigureCall: Long = System.currentTimeMillis()
   internal var frameProcessor: FrameProcessor? = null
 
@@ -271,8 +271,12 @@ class CameraView(context: Context) :
     invokeOnStopped()
   }
 
-  override fun onVideoChunkReady(filepath: File, index: Int) {
+  override fun onVideoChunkReady(filepath: File, index: Int, durationUs: Long?) {
-    invokeOnChunkReady(filepath, index)
+    invokeOnChunkReady(filepath, index, durationUs)
+  }
+
+  override fun onInitSegmentReady(filepath: File) {
+    invokeOnInitReady(filepath)
   }
 
   override fun onCodeScanned(codes: List<Barcode>, scannerFrame: CodeScannerFrame) {

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

@@ -32,7 +32,8 @@ class CameraViewManager : ViewGroupManager<CameraView>() {
       .put("cameraError", MapBuilder.of("registrationName", "onError"))
       .put("cameraCodeScanned", MapBuilder.of("registrationName", "onCodeScanned"))
       .put("onVideoChunkReady", MapBuilder.of("registrationName", "onVideoChunkReady"))
-      .build()
+      .put("onInitReady", MapBuilder.of("registrationName", "onInitReady"))
+      .build()?.toMutableMap()
 
   override fun getName(): String = TAG
 

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

@@ -31,10 +31,12 @@ class CameraViewModule(reactContext: ReactApplicationContext) : ReactContextBase
     init {
       try {
         // Load the native part of VisionCamera.
-        // Includes the OpenGL VideoPipeline, as well as Frame Processor JSI bindings
+        // Includes the OpenGL VideoPipeline (needed for video recording)
+        // Frame Processors remain disabled for RN 0.79+ compatibility
         System.loadLibrary("VisionCamera")
+        Log.i(TAG, "VisionCamera native library loaded successfully")
       } catch (e: UnsatisfiedLinkError) {
-        Log.e(VisionCameraProxy.TAG, "Failed to load VisionCamera C++ library!", e)
+        Log.e(TAG, "Failed to load VisionCamera C++ library!", e)
         throw e
       }
     }
@@ -73,14 +75,10 @@ class CameraViewModule(reactContext: ReactApplicationContext) : ReactContextBase
     }
 
   @ReactMethod(isBlockingSynchronousMethod = true)
-  fun installFrameProcessorBindings(): Boolean =
+  fun installFrameProcessorBindings(): Boolean {
-    try {
+    // Frame Processors are disabled for React Native 0.79+ compatibility
-      val proxy = VisionCameraProxy(reactApplicationContext)
+    Log.i(TAG, "Frame Processor bindings not installed - Frame Processors disabled for RN 0.79+ compatibility")
-      VisionCameraInstaller.install(proxy)
+    return false
-      true
-    } catch (e: Error) {
-      Log.e(TAG, "Failed to install Frame Processor JSI Bindings!", e)
-      false
   }
 
   @ReactMethod
@@ -157,7 +155,7 @@ class CameraViewModule(reactContext: ReactApplicationContext) : ReactContextBase
   }
 
   private fun canRequestPermission(permission: String): Boolean {
-    val activity = currentActivity as? PermissionAwareActivity
+    val activity = reactApplicationContext.currentActivity as? PermissionAwareActivity
     return activity?.shouldShowRequestPermissionRationale(permission) ?: false
   }
 

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 +426,23 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
 
       val fps = configuration?.fps ?: 30
 
+      // Get actual device rotation from WindowManager since the React Native orientation hook
+      // doesn't update when rotating between landscape-left and landscape-right on Android.
+      // Map device rotation to the correct orientation for video recording.
+      // Surface.ROTATION_90 = device rotated 90° CCW = phone top on LEFT = LANDSCAPE_LEFT
+      // Surface.ROTATION_270 = device rotated 90° CW = phone top on RIGHT = LANDSCAPE_RIGHT
+      val windowManager = context.getSystemService(Context.WINDOW_SERVICE) as WindowManager
+      val deviceRotation = windowManager.defaultDisplay.rotation
+      val recordingOrientation = 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, "startRecording: orientation=${recordingOrientation.toDegrees()}° (deviceRotation=$deviceRotation)")
+
       val recording = RecordingSession(
         context,
         cameraId,
@@ -432,7 +450,7 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
         enableAudio,
         fps,
         videoOutput.enableHdr,
-        orientation,
+        recordingOrientation,
         options,
         filePath,
         callback,
@@ -497,7 +515,8 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
     fun onInitialized()
     fun onStarted()
     fun onStopped()
-    fun onVideoChunkReady(filepath: File, index: Int)
+    fun onVideoChunkReady(filepath: File, index: Int, durationUs: Long?)
+    fun onInitSegmentReady(filepath: File)
     fun onCodeScanned(codes: List<Barcode>, scannerFrame: CodeScannerFrame)
   }
 }

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

@@ -14,7 +14,7 @@ import java.io.File
 import java.nio.ByteBuffer
 
 class ChunkedRecordingManager(private val encoder: MediaCodec, private val outputDirectory: File, private val orientationHint: Int, private val iFrameInterval: Int, private val callbacks: CameraSession.Callback) :
-  MediaCodec.Callback() {
+  MediaCodec.Callback(), ChunkedRecorderInterface {
   companion object {
     private const val TAG = "ChunkedRecorder"
 
@@ -30,8 +30,15 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
       iFrameInterval: Int = 5
     ): ChunkedRecordingManager {
       val mimeType = options.videoCodec.toMimeType()
-      val cameraOrientationDegrees = cameraOrientation.toDegrees()
+      // Use cameraOrientation (from WindowManager) for rotation metadata
-      val recordingOrientationDegrees = (options.orientation ?: Orientation.PORTRAIT).toDegrees();
+      // The options.orientation from JavaScript is unreliable on Android when rotating between landscape modes
+      // Note: MediaMuxer.setOrientationHint() uses opposite convention from HlsMuxer's rotation matrix
+      // We need to invert the rotation: 90 <-> 270, while 0 and 180 stay the same
+      val orientationDegrees = when (cameraOrientation.toDegrees()) {
+        90 -> 270
+        270 -> 90
+        else -> cameraOrientation.toDegrees()
+      }
       val (width, height) = if (cameraOrientation.isLandscape()) {
         size.height to size.width
       } else {
@@ -55,12 +62,12 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
       format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, iFrameInterval)
       format.setInteger(MediaFormat.KEY_BIT_RATE, bitRate)
 
-      Log.d(TAG, "Video Format: $format, camera orientation $cameraOrientationDegrees, recordingOrientation: $recordingOrientationDegrees")
+      Log.d(TAG, "Video Format: $format, orientation: $orientationDegrees")
       // Create a MediaCodec encoder, and configure it with our format.  Get a Surface
       // we can use for input and wrap it with a class that handles the EGL work.
       codec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE)
       return ChunkedRecordingManager(
-        codec, outputDirectory, recordingOrientationDegrees, iFrameInterval, callbacks
+        codec, outputDirectory, orientationDegrees, iFrameInterval, callbacks
       )
     }
   }
@@ -73,7 +80,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
 
   private val targetDurationUs = iFrameInterval * 1000000
 
-  val surface: Surface = encoder.createInputSurface()
+  override val surface: Surface = encoder.createInputSurface()
 
   init {
     if (!this.outputDirectory.exists()) {
@@ -91,11 +98,14 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
       muxer.start()
     }
 
+    fun writeSample(buffer: java.nio.ByteBuffer, bufferInfo: BufferInfo) {
+      muxer.writeSampleData(videoTrack, buffer, bufferInfo)
+    }
 
     fun finish() {
       muxer.stop()
       muxer.release()
-      callbacks.onVideoChunkReady(filepath, chunkIndex)
+      callbacks.onVideoChunkReady(filepath, chunkIndex, null)
     }
   }
 
@@ -105,6 +115,12 @@ 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")
@@ -114,7 +130,7 @@ 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, format, this.callbacks
     )
   }
 
@@ -123,15 +139,16 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
   }
 
   private fun chunkLengthUs(bufferInfo: BufferInfo): Long {
-    return bufferInfo.presentationTimeUs - muxerContext!!.startTimeUs
+    val context = muxerContext ?: return 0L
+    return bufferInfo.presentationTimeUs - context.startTimeUs
   }
 
-  fun start() {
+  override fun start() {
     encoder.start()
     recording = true
   }
 
-  fun finish() {
+  override fun finish() {
     synchronized(this) {
       muxerContext?.finish()
       recording = false
@@ -155,7 +172,13 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
       if (muxerContext == null || (atKeyframe(bufferInfo) && chunkLengthUs(bufferInfo) >= targetDurationUs)) {
         this.createNextMuxer(bufferInfo)
       }
-      muxerContext!!.muxer.writeSampleData(muxerContext!!.videoTrack, encodedData, bufferInfo)
+      val context = muxerContext
+      if (context == null) {
+        Log.e(TAG, "Cannot write sample data: muxerContext is null")
+        encoder.releaseOutputBuffer(index, false)
+        return
+      }
+      context.writeSample(encodedData, bufferInfo)
       encoder.releaseOutputBuffer(index, false)
     }
   }

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

@@ -0,0 +1,15 @@
+package com.mrousavy.camera.core
+
+import android.view.Surface
+
+/**
+ * Common interface for chunked video recorders.
+ * Implemented by both ChunkedRecordingManager (regular MP4) and
+ * FragmentedRecordingManager (HLS-compatible fMP4).
+ */
+interface ChunkedRecorderInterface {
+    val surface: Surface
+
+    fun start()
+    fun finish()
+}

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

@@ -0,0 +1,176 @@
+package com.mrousavy.camera.core
+
+import android.media.MediaCodec
+import android.media.MediaCodec.BufferInfo
+import android.media.MediaCodecInfo
+import android.media.MediaFormat
+import android.util.Log
+import android.util.Size
+import android.view.Surface
+import com.mrousavy.camera.types.Orientation
+import com.mrousavy.camera.types.RecordVideoOptions
+import java.io.File
+
+/**
+ * A recording manager that produces HLS-compatible fragmented MP4 segments.
+ *
+ * Uses HlsMuxer (following Android's MediaMuxer pattern) to produce:
+ * - init.mp4: Initialization segment (ftyp + moov with mvex)
+ * - 0.mp4, 1.mp4, ...: Media segments (moof + mdat)
+ */
+class FragmentedRecordingManager(
+    private val encoder: MediaCodec,
+    private val muxer: HlsMuxer
+) : MediaCodec.Callback(), ChunkedRecorderInterface {
+
+    companion object {
+        private const val TAG = "FragmentedRecorder"
+        private const val DEFAULT_SEGMENT_DURATION_SECONDS = 6
+
+        fun fromParams(
+            callbacks: CameraSession.Callback,
+            size: Size,
+            enableAudio: Boolean,
+            fps: Int? = null,
+            cameraOrientation: Orientation,
+            bitRate: Int,
+            options: RecordVideoOptions,
+            outputDirectory: File,
+            segmentDurationSeconds: Int = DEFAULT_SEGMENT_DURATION_SECONDS
+        ): FragmentedRecordingManager {
+            val mimeType = options.videoCodec.toMimeType()
+            // Use cameraOrientation (from WindowManager) for rotation metadata
+            // The options.orientation from JavaScript is unreliable on Android when rotating between landscape modes
+            val orientationDegrees = cameraOrientation.toDegrees()
+
+            // Swap dimensions based on camera orientation, same as ChunkedRecordingManager
+            val (width, height) = if (cameraOrientation.isLandscape()) {
+                size.height to size.width
+            } else {
+                size.width to size.height
+            }
+
+            Log.d(TAG, "Recording: ${width}x${height}, orientation=$orientationDegrees°")
+
+            val format = MediaFormat.createVideoFormat(mimeType, width, height)
+            val codec = MediaCodec.createEncoderByType(mimeType)
+
+            format.setInteger(
+                MediaFormat.KEY_COLOR_FORMAT,
+                MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface
+            )
+
+            // Use 30fps as conservative default since many Android devices can't sustain
+            // higher frame rates at high resolutions. This affects:
+            // - Encoder: bitrate allocation and I-frame interval calculation
+            // - HlsMuxer: timescale for accurate sample durations
+            // The actual frame timing comes from camera timestamps regardless of this setting.
+            val effectiveFps = 30
+            format.setInteger(MediaFormat.KEY_FRAME_RATE, effectiveFps)
+            format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, segmentDurationSeconds)
+            format.setInteger(MediaFormat.KEY_BIT_RATE, bitRate)
+
+            codec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE)
+
+            val muxer = HlsMuxer(
+                outputDirectory = outputDirectory,
+                callback = object : HlsMuxer.Callback {
+                    override fun onInitSegmentReady(file: File) {
+                        callbacks.onInitSegmentReady(file)
+                    }
+
+                    override fun onMediaSegmentReady(file: File, index: Int, durationUs: Long) {
+                        callbacks.onVideoChunkReady(file, index, durationUs)
+                    }
+                },
+                orientationDegrees = orientationDegrees,
+                fps = effectiveFps
+            )
+            muxer.setSegmentDuration(segmentDurationSeconds * 1_000_000L)
+
+            return FragmentedRecordingManager(codec, muxer)
+        }
+    }
+
+    private var recording = false
+    private var muxerStarted = false
+    private var trackIndex = -1
+
+    override val surface: Surface = encoder.createInputSurface()
+
+    init {
+        encoder.setCallback(this)
+    }
+
+    override fun start() {
+        encoder.start()
+        recording = true
+    }
+
+    override fun finish() {
+        synchronized(this) {
+            recording = false
+
+            if (muxerStarted) {
+                muxer.stop()
+                muxer.release()
+            }
+
+            try {
+                encoder.stop()
+                encoder.release()
+            } catch (e: Exception) {
+                Log.e(TAG, "Error stopping encoder", e)
+            }
+        }
+    }
+
+    // MediaCodec.Callback methods
+
+    override fun onInputBufferAvailable(codec: MediaCodec, index: Int) {
+        // Not used for Surface input
+    }
+
+    override fun onOutputBufferAvailable(codec: MediaCodec, index: Int, bufferInfo: BufferInfo) {
+        synchronized(this) {
+            if (!recording) {
+                encoder.releaseOutputBuffer(index, false)
+                return
+            }
+
+            if (!muxerStarted) {
+                encoder.releaseOutputBuffer(index, false)
+                return
+            }
+
+            val buffer = encoder.getOutputBuffer(index)
+            if (buffer == null) {
+                Log.e(TAG, "getOutputBuffer returned null")
+                encoder.releaseOutputBuffer(index, false)
+                return
+            }
+
+            try {
+                muxer.writeSampleData(trackIndex, buffer, bufferInfo)
+            } catch (e: Exception) {
+                Log.e(TAG, "Error writing sample", e)
+            }
+
+            encoder.releaseOutputBuffer(index, false)
+        }
+    }
+
+    override fun onError(codec: MediaCodec, e: MediaCodec.CodecException) {
+        Log.e(TAG, "Codec error: ${e.message}")
+    }
+
+    override fun onOutputFormatChanged(codec: MediaCodec, format: MediaFormat) {
+        synchronized(this) {
+            Log.i(TAG, "Output format changed: $format")
+
+            trackIndex = muxer.addTrack(format)
+            muxer.start()
+            muxerStarted = true
+        }
+    }
+}

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

@@ -2,19 +2,85 @@ package com.mrousavy.camera.core
 
 import android.annotation.SuppressLint
 import android.content.Context
+import android.content.res.Configuration
 import android.graphics.Point
+import android.os.Handler
+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
 import com.mrousavy.camera.types.Orientation
 import com.mrousavy.camera.types.ResizeMode
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
 import kotlin.math.roundToInt
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withContext
+import android.graphics.Bitmap
+import android.graphics.Matrix
+
+fun rotateBitmap90CounterClockwise(source: Bitmap): Bitmap {
+    val width = source.width
+    val height = source.height
+
+    // Create a new Bitmap with swapped width and height
+    val rotatedBitmap = Bitmap.createBitmap(height, width, source.config ?: Bitmap.Config.ARGB_8888)
+
+    for (y in 0 until height) {
+        for (x in 0 until width) {
+            // Set the pixel in the new position
+            rotatedBitmap.setPixel(y, width - 1 - x, source.getPixel(x, y))
+        }
+    }
+
+    return rotatedBitmap
+}
+
+
+fun Bitmap.transformBitmap(orientation: Orientation): Bitmap {
+    return when (orientation) {
+        Orientation.PORTRAIT -> this // No transformation needed
+        Orientation.LANDSCAPE_LEFT -> {
+            // Transpose (swap width and height)
+            val transposedBitmap = Bitmap.createBitmap(height, width, config ?: Bitmap.Config.ARGB_8888)
+            for (y in 0 until height) {
+                for (x in 0 until width) {
+                    transposedBitmap.setPixel(y, width - 1 - x, getPixel(x, y))
+                }
+            }
+            transposedBitmap
+        }
+        Orientation.PORTRAIT_UPSIDE_DOWN -> {
+            // Invert vertically and horizontally (180-degree rotation)
+            val invertedBitmap = Bitmap.createBitmap(width, height, config ?: Bitmap.Config.ARGB_8888)
+            for (y in 0 until height) {
+                for (x in 0 until width) {
+                    invertedBitmap.setPixel(width - 1 - x, height - 1 - y, getPixel(x, y))
+                }
+            }
+            invertedBitmap
+        }
+        Orientation.LANDSCAPE_RIGHT -> {
+            // Transpose (swap width and height) and invert vertically
+            val transposedBitmap = Bitmap.createBitmap(height, width, config ?: Bitmap.Config.ARGB_8888)
+            for (y in 0 until height) {
+                for (x in 0 until width) {
+                    transposedBitmap.setPixel(height - 1 - y, x, getPixel(x, y))
+                }
+            }
+            transposedBitmap
+        }
+    }
+}
+
 
 @SuppressLint("ViewConstructor")
 class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
@@ -80,6 +146,52 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
     }
   }
 
+  suspend fun getBitmap(): Bitmap? = withContext(Dispatchers.Main) {
+    val frame = holder.getSurfaceFrame()
+
+    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
+    suspendCancellableCoroutine<Bitmap?> { continuation ->
+    PixelCopy.request(
+        holder.surface,
+        bitmap,
+        { copyResult ->
+          if (copyResult == PixelCopy.SUCCESS) {
+            // 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")
+            )
+          }
+        },
+        Handler(Looper.getMainLooper())
+    )
+    }
+  }
+
+
   fun convertLayerPointToCameraCoordinates(point: Point, cameraDeviceDetails: CameraDeviceDetails): Point {
     val sensorOrientation = cameraDeviceDetails.sensorOrientation
     val cameraSize = Size(cameraDeviceDetails.activeSize.width(), cameraDeviceDetails.activeSize.height())
@@ -97,22 +209,14 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
     }
   }
 
-  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 {
     var contentSize = contentSize
-    // Swap dimensions if orientation is landscape
+    var androidOrientation = context.getResources().getConfiguration().orientation;
-    if (orientation.isLandscape()) {
+
+    if (androidOrientation == Configuration.ORIENTATION_LANDSCAPE) {
       contentSize = Size(contentSize.height, contentSize.width)
     }
+
     val contentAspectRatio = contentSize.width.toDouble() / contentSize.height
     val containerAspectRatio = containerSize.width.toDouble() / containerSize.height
     if (!(contentAspectRatio > 0 && containerAspectRatio > 0)) {

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

@@ -8,12 +8,14 @@ import com.facebook.common.statfs.StatFsHelper
 import com.mrousavy.camera.extensions.getRecommendedBitRate
 import com.mrousavy.camera.types.Orientation
 import com.mrousavy.camera.types.RecordVideoOptions
+import com.mrousavy.camera.types.StreamSegmentType
 import com.mrousavy.camera.utils.FileUtils
 import java.io.File
 import android.os.Environment
 import java.text.SimpleDateFormat
 import java.util.Locale
 import java.util.Date
+
 class RecordingSession(
   context: Context,
   val cameraId: String,
@@ -26,7 +28,7 @@ class RecordingSession(
   private val filePath: String,
   private val callback: (video: Video) -> Unit,
   private val onError: (error: CameraError) -> Unit,
-  private val allCallbacks: CameraSession.Callback,
+  private val allCallbacks: CameraSession.Callback
 ) {
   companion object {
     private const val TAG = "RecordingSession"
@@ -34,14 +36,35 @@ class RecordingSession(
     private const val AUDIO_SAMPLING_RATE = 44_100
     private const val AUDIO_BIT_RATE = 16 * AUDIO_SAMPLING_RATE
     private const val AUDIO_CHANNELS = 1
+
+    // Segment duration in seconds (matching iOS default of 6 seconds)
+    private const val SEGMENT_DURATION_SECONDS = 6
   }
 
   data class Video(val path: String, val durationMs: Long, val size: Size)
 
-  private val outputPath: File = File(filePath)
+  // Normalize path - expo-file-system passes file:// URIs but File expects raw paths
+  // Handle both file:// and file:/ variants
+  private val outputPath: File = File(filePath.replace(Regex("^file:/+"), "/"))
 
   private val bitRate = getBitRate()
-  private val recorder = ChunkedRecordingManager.fromParams(
+
+  // Use FragmentedRecordingManager for HLS-compatible fMP4 output,
+  // or fall back to ChunkedRecordingManager for regular MP4 chunks
+  private val recorder: ChunkedRecorderInterface = if (options.streamSegmentType == StreamSegmentType.FRAGMENTED_MP4) {
+    FragmentedRecordingManager.fromParams(
+      allCallbacks,
+      size,
+      enableAudio,
+      fps,
+      cameraOrientation,
+      bitRate,
+      options,
+      outputPath,
+      SEGMENT_DURATION_SECONDS
+    )
+  } else {
+    ChunkedRecordingManager.fromParams(
       allCallbacks,
       size,
       enableAudio,
@@ -51,6 +74,7 @@ class RecordingSession(
       options,
       outputPath
     )
+  }
   private var startTime: Long? = null
   val surface: Surface
     get() {
@@ -59,7 +83,7 @@ class RecordingSession(
 
   fun start() {
     synchronized(this) {
-      Log.i(TAG, "Starting RecordingSession..")
+      Log.i(TAG, "Starting RecordingSession with ${options.streamSegmentType} recorder..")
       startTime = System.currentTimeMillis()
       recorder.start()
     }

package/android/src/main/java/com/mrousavy/camera/frameprocessor/VisionCameraProxy.kt

@@ -1,3 +1,5 @@
+@file:Suppress("DEPRECATION")
+
 package com.mrousavy.camera.frameprocessor
 
 import android.util.Log
@@ -7,7 +9,6 @@ import com.facebook.jni.HybridData
 import com.facebook.proguard.annotations.DoNotStrip
 import com.facebook.react.bridge.ReactApplicationContext
 import com.facebook.react.bridge.UiThreadUtil
-import com.facebook.react.turbomodule.core.CallInvokerHolderImpl
 import com.facebook.react.uimanager.UIManagerHelper
 import com.mrousavy.camera.CameraView
 import com.mrousavy.camera.core.ViewNotFoundError
@@ -21,19 +22,26 @@ class VisionCameraProxy(private val reactContext: ReactApplicationContext) {
 
   @DoNotStrip
   @Keep
-  private var mHybridData: HybridData
+  private var mHybridData: HybridData?
   private var mContext: WeakReference<ReactApplicationContext>
   private var mScheduler: VisionCameraScheduler
   val context: ReactApplicationContext
     get() = reactContext
 
   init {
-    val jsCallInvokerHolder = context.catalystInstance.jsCallInvokerHolder as CallInvokerHolderImpl
+    // TODO: Fix for React Native 0.79+ - these APIs are now framework-only
-    val jsRuntimeHolder =
+    // Since Frame Processors are disabled anyway (react-native-worklets-core not found),
-      context.javaScriptContextHolder?.get() ?: throw Error("JSI Runtime is null! VisionCamera does not yet support bridgeless mode..")
+    // we'll disable this functionality to allow the build to complete
+    Log.w(TAG, "Frame Processor initialization disabled due to React Native 0.79+ API compatibility issues")
     mScheduler = VisionCameraScheduler()
     mContext = WeakReference(context)
-    mHybridData = initHybrid(jsRuntimeHolder, jsCallInvokerHolder, mScheduler)
+    // Disable Frame Processor functionality since APIs are not compatible
+    mHybridData = null
+    
+    // Original code that fails with RN 0.79+:
+    // val jsCallInvokerHolder = context.catalystInstance.jsCallInvokerHolder as CallInvokerHolderImpl
+    // val jsRuntimeHolder = context.javaScriptContextHolder?.get() ?: throw Error("JSI Runtime is null!")
+    // mHybridData = initHybrid(jsRuntimeHolder, jsCallInvokerHolder, mScheduler)
   }
 
   @UiThread
@@ -69,5 +77,9 @@ class VisionCameraProxy(private val reactContext: ReactApplicationContext) {
     FrameProcessorPluginRegistry.getPlugin(name, this, options)
 
   // private C++ funcs
-  private external fun initHybrid(jsContext: Long, jsCallInvokerHolder: CallInvokerHolderImpl, scheduler: VisionCameraScheduler): HybridData
+  // Frame Processors are disabled - native registration is skipped via VISION_CAMERA_ENABLE_FRAME_PROCESSORS=OFF
+  // This method is never called or registered, kept for reference only
+  // @DoNotStrip
+  // @Keep
+  // private external fun initHybrid(jsContext: Long, jsCallInvokerHolder: Any, scheduler: VisionCameraScheduler): HybridData
 }

package/android/src/main/java/com/mrousavy/camera/types/RecordVideoOptions.kt

@@ -9,6 +9,7 @@ class RecordVideoOptions(map: ReadableMap) {
   var videoBitRateOverride: Double? = null
   var videoBitRateMultiplier: Double? = null
   var orientation: Orientation? = null
+  var streamSegmentType: StreamSegmentType = StreamSegmentType.FRAGMENTED_MP4
 
   init {
     if (map.hasKey("fileType")) {
@@ -29,5 +30,8 @@ class RecordVideoOptions(map: ReadableMap) {
     if (map.hasKey("orientation")) {
       orientation = Orientation.fromUnionValue(map.getString("orientation"))
     }
+    if (map.hasKey("streamSegmentType")) {
+      streamSegmentType = StreamSegmentType.fromUnionValue(map.getString("streamSegmentType"))
+    }
   }
 }

package/android/src/main/java/com/mrousavy/camera/types/StreamSegmentType.kt

@@ -0,0 +1,15 @@
+package com.mrousavy.camera.types
+
+enum class StreamSegmentType(override val unionValue: String) : JSUnionValue {
+  FRAGMENTED_MP4("FRAGMENTED_MP4"),
+  RB_CHUNKED_MP4("RB_CHUNKED_MP4");
+
+  companion object : JSUnionValue.Companion<StreamSegmentType> {
+    override fun fromUnionValue(unionValue: String?): StreamSegmentType =
+      when (unionValue) {
+        "FRAGMENTED_MP4" -> FRAGMENTED_MP4
+        "RB_CHUNKED_MP4" -> RB_CHUNKED_MP4
+        else -> FRAGMENTED_MP4 // Default to fMP4
+      }
+  }
+}

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

@@ -1,10 +1,30 @@
 package com.mrousavy.camera.utils
 
 import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.util.Size
 import java.io.File
+import java.io.FileOutputStream
 
 class FileUtils {
   companion object {
+    fun writeBitmapTofile(bitmap: Bitmap, file: File, quality: Int) {
+      FileOutputStream(file).use { stream ->
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 50, stream)
+      }
+    }
+
+    fun getImageSize(imagePath: String): Size {
+      val bitmapOptions = BitmapFactory.Options().also {
+        it.inJustDecodeBounds = true
+      }
+      BitmapFactory.decodeFile(imagePath, bitmapOptions)
+      val width = bitmapOptions.outWidth
+      val height = bitmapOptions.outHeight
+      return Size(width, height)
+    }
+
     fun createTempFile(context: Context, extension: String): File =
         File.createTempFile("mrousavy", extension, context.cacheDir).also {
       it.deleteOnExit()

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, error.cause)
+    promise.reject("${error.domain}/${error.id}", error.message ?: "Unknown error", error.cause)
   }
 }

package/example/package.json

@@ -17,8 +17,8 @@
     "@react-native-community/blur": "^4.3.2",
     "@react-navigation/native": "^6.1.7",
     "@react-navigation/native-stack": "^6.9.13",
-    "react": "^18.2.0",
+    "react": "^19.1.1",
-    "react-native": "^0.72.3",
+    "react-native": "^0.81.0",
     "react-native-fast-image": "^8.6.3",
     "react-native-gesture-handler": "^2.12.1",
     "react-native-mmkv": "^2.10.2",
@@ -42,7 +42,7 @@
     "@types/react-native-vector-icons": "^6.4.13",
     "@types/react-native-video": "^5.0.15",
     "babel-plugin-module-resolver": "^5.0.0",
-    "eslint": "^8.46.0",
+    "eslint": "^9.33.0",
     "eslint-plugin-prettier": "^5.0.0",
     "metro-react-native-babel-preset": "^0.77.0",
     "prettier": "^3.2.4",

package/example/src/capture-button.tsx

@@ -47,7 +47,7 @@ export const RecordingButton: React.FC<RecordingButtonProps> = ({ style, camera,
           onMediaCaptured(video, 'video')
           onStoppedRecording()
         },
-      })
+      }, 'video.mp4')
       console.log('called startRecording()!')
       isRecording.current = true
       setRecordingState(true)

package/flake.lock

@@ -1,189 +0,0 @@
-{
-  "nodes": {
-    "android-nixpkgs": {
-      "inputs": {
-        "devshell": "devshell",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1701980274,
-        "narHash": "sha256-uKJIFvsahbWw52TsIht7g2iosXBgJDRMSMoCE1fvEAk=",
-        "owner": "tadfisher",
-        "repo": "android-nixpkgs",
-        "rev": "bce9d437ed54ee1425b66442a12814fee4cdbd51",
-        "type": "github"
-      },
-      "original": {
-        "owner": "tadfisher",
-        "repo": "android-nixpkgs",
-        "type": "github"
-      }
-    },
-    "devshell": {
-      "inputs": {
-        "nixpkgs": [
-          "android-nixpkgs",
-          "nixpkgs"
-        ],
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1701787589,
-        "narHash": "sha256-ce+oQR4Zq9VOsLoh9bZT8Ip9PaMLcjjBUHVPzW5d7Cw=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "44ddedcbcfc2d52a76b64fb6122f209881bd3e1e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_3"
-      },
-      "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1694102001,
-        "narHash": "sha256-vky6VPK1n1od6vXbqzOXnekrQpTL4hbPAwUhT5J9c9E=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "9e21c80adf67ebcb077d75bd5e7d724d21eeafd6",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1701718080,
-        "narHash": "sha256-6ovz0pG76dE0P170pmmZex1wWcQoeiomUZGggfH9XPs=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "2c7f3c0fb7c08a0814627611d9d7d45ab6d75335",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1702312524,
-        "narHash": "sha256-gkZJRDBUCpTPBvQk25G0B7vfbpEYM5s5OZqghkjZsnE=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "a9bf124c46ef298113270b1f84a164865987a91c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "android-nixpkgs": "android-nixpkgs",
-        "flake-utils": "flake-utils_2",
-        "gitignore": "gitignore",
-        "nixpkgs": "nixpkgs_2"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

package/flake.nix

@@ -1,77 +0,0 @@
-{
-  description = "Sample Nix ts-node build";
-  inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
-    gitignore = {
-      url = "github:hercules-ci/gitignore.nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    android-nixpkgs = {
-      url = "github:tadfisher/android-nixpkgs";
-    };
-  };
-  outputs = {
-    self,
-    nixpkgs,
-    flake-utils,
-    gitignore,
-    android-nixpkgs,
-    ...
-  }:
-    flake-utils.lib.eachDefaultSystem (system: let
-      pkgs = import nixpkgs {inherit system;};
-      nodejs = pkgs.nodejs-18_x;
-      # NOTE: this does not work
-      appBuild = pkgs.stdenv.mkDerivation {
-        name = "example-ts-node";
-        version = "0.1.0";
-        src = gitignore.lib.gitignoreSource ./.; # uses the gitignore in the repo to only copy files git would see
-        buildInputs = [nodejs];
-        # https://nixos.org/manual/nixpkgs/stable/#sec-stdenv-phases
-        buildPhase = ''
-          # each phase has pre/postHooks. When you make your own phase be sure to still call the hooks
-          runHook preBuild
-          npm ci
-          npm run build
-          runHook postBuild
-        '';
-        installPhase = ''
-          runHook preInstall
-          cp -r node_modules $out/node_modules
-          cp package.json $out/package.json
-          cp -r dist $out/dist
-          runHook postInstall
-        '';
-      };
-      android-sdk = android-nixpkgs.sdk.${system} (sdkPkgs:
-        with sdkPkgs; [
-          cmdline-tools-latest
-          build-tools-30-0-3
-          build-tools-33-0-0
-          build-tools-33-0-1
-          build-tools-34-0-0
-          platform-tools
-          platforms-android-33
-          platforms-android-34
-          emulator
-          ndk-23-1-7779620
-          cmake-3-22-1
-          system-images-android-33-google-apis-x86-64
-          system-images-android-34-google-apis-x86-64
-        ]);
-    in
-      with pkgs; {
-        defaultPackage = appBuild;
-        devShell = mkShell {
-          buildInputs = [nodejs yarn watchman gradle_7 alejandra nodePackages.prettier ktlint kotlin-language-server];
-          ANDROID_SDK_BIN = android-sdk;
-          shellHook = ''
-            export JAVA_HOME=${pkgs.jdk17.home}
-            source ${android-sdk.out}/nix-support/setup-hook
-            export PATH=${android-sdk}/bin:$PATH
-            ORG_GRADLE_PROJECT_ANDROID_HOME="$ANDROID_HOME"
-          '';
-        };
-      });
-}

package/ios/Core/CameraSession+Video.swift

@@ -20,6 +20,9 @@ extension CameraSession {
                       onError: @escaping (_ error: CameraError) -> Void) {
     // Run on Camera Queue
     CameraQueues.cameraQueue.async {
+      // Normalize path - expo-file-system passes file:// URIs but FileManager expects raw paths
+      let normalizedPath = filePath.hasPrefix("file://") ? String(filePath.dropFirst(7)) : filePath
+
       let start = DispatchTime.now()
       ReactLogger.log(level: .info, message: "Starting Video recording...")
 
@@ -38,11 +41,27 @@ extension CameraSession {
       // Callback for when new chunks are ready
       let onChunkReady: (ChunkedRecorder.Chunk) -> Void = { chunk in
         guard let delegate = self.delegate else {
+          ReactLogger.log(level: .warning, message: "Chunk ready but delegate is nil, dropping chunk: \(chunk)")
           return
         }
         delegate.onVideoChunkReady(chunk: chunk)
       }
 
+      // Callback for when a chunk write fails (e.g. init file write failure)
+      let onChunkError: (Error) -> Void = { error in
+        ReactLogger.log(level: .error, message: "Chunk write error, stopping recording: \(error.localizedDescription)")
+        // Stop recording immediately
+        if let session = self.recordingSession {
+          session.stop(clock: self.captureSession.clock)
+        }
+        // Surface error to RN
+        if let cameraError = error as? CameraError {
+          onError(cameraError)
+        } else {
+          onError(.capture(.fileError))
+        }
+      }
+
       // Callback for when the recording ends
       let onFinish = { (recordingSession: RecordingSession, status: AVAssetWriter.Status, error: Error?) in
         defer {
@@ -82,22 +101,23 @@ extension CameraSession {
         }
       }
 
-      if !FileManager.default.fileExists(atPath: filePath) {
+      if !FileManager.default.fileExists(atPath: normalizedPath) {
         do {
-          try FileManager.default.createDirectory(atPath: filePath, withIntermediateDirectories: true)
+          try FileManager.default.createDirectory(atPath: normalizedPath, withIntermediateDirectories: true)
         } catch {
           onError(.capture(.createRecordingDirectoryError(message: error.localizedDescription)))
           return
         }
       }
 
-      ReactLogger.log(level: .info, message: "Will record to temporary file: \(filePath)")
+      ReactLogger.log(level: .info, message: "Will record to temporary file: \(normalizedPath)")
 
       do {
         // Create RecordingSession for the temp file
-        let recordingSession = try RecordingSession(outputDiretory: filePath,
+        let recordingSession = try RecordingSession(outputDiretory: normalizedPath,
                                                     fileType: options.fileType,
                                                     onChunkReady: onChunkReady,
+                                                    onChunkError: onChunkError,
                                                     completion: onFinish)
 
         // Init Audio + Activate Audio Session (optional)

package/ios/Core/ChunkedRecorder.swift

@@ -24,12 +24,14 @@ class ChunkedRecorder: NSObject {
 
   let outputURL: URL
   let onChunkReady: ((Chunk) -> Void)
+  let onError: ((Error) -> Void)?
 
   private var chunkIndex: UInt64 = 0
 
-  init(outputURL: URL, onChunkReady: @escaping ((Chunk) -> Void)) throws {
+  init(outputURL: URL, onChunkReady: @escaping ((Chunk) -> Void), onError: ((Error) -> Void)? = nil) throws {
     self.outputURL = outputURL
     self.onChunkReady = onChunkReady
+    self.onError = onError
     guard FileManager.default.fileExists(atPath: outputURL.path) else {
       throw CameraError.unknown(message: "output directory does not exist at: \(outputURL.path)", cause: nil)
     }
@@ -56,14 +58,19 @@ extension ChunkedRecorder: AVAssetWriterDelegate {
 
   private func saveInitSegment(_ data: Data) {
     let url = outputURL.appendingPathComponent("init.mp4")
-    save(data: data, url: url)
+    do {
+      try data.write(to: url)
       onChunkReady(url: url, type: .initialization)
+    } catch {
+      ReactLogger.log(level: .error, message: "Failed to write init file \(url): \(error.localizedDescription)")
+      onError?(CameraError.capture(.fileError))
+    }
   }
 
   private func saveSegment(_ data: Data, report: AVAssetSegmentReport?) {
     let name = "\(chunkIndex).mp4"
     let url = outputURL.appendingPathComponent(name)
-    save(data: data, url: url)
+    if save(data: data, url: url) {
       let duration = report?
         .trackReports
         .filter { $0.mediaType == .video }
@@ -72,12 +79,15 @@ extension ChunkedRecorder: AVAssetWriterDelegate {
       onChunkReady(url: url, type: .data(index: chunkIndex, duration: duration))
       chunkIndex += 1
     }
+  }
 
-  private func save(data: Data, url: URL) {
+  private func save(data: Data, url: URL) -> Bool {
     do {
       try data.write(to: url)
+      return true
     } catch {
       ReactLogger.log(level: .error, message: "Unable to write \(url): \(error.localizedDescription)")
+      return false
     }
   }
 

package/ios/Core/RecordingSession.swift

@@ -74,12 +74,13 @@ class RecordingSession {
   init(outputDiretory: String,
        fileType: AVFileType,
        onChunkReady: @escaping ((ChunkedRecorder.Chunk) -> Void),
+       onChunkError: ((Error) -> Void)? = nil,
        completion: @escaping (RecordingSession, AVAssetWriter.Status, Error?) -> Void) throws {
     completionHandler = completion
 
     do {
       let outputURL = URL(fileURLWithPath: outputDiretory)
-      recorder = try ChunkedRecorder(outputURL: outputURL, onChunkReady: onChunkReady)
+      recorder = try ChunkedRecorder(outputURL: outputURL, onChunkReady: onChunkReady, onError: onChunkError)
       assetWriter = AVAssetWriter(contentType: UTType(fileType.rawValue)!)
       assetWriter.shouldOptimizeForNetworkUse = false
       assetWriter.outputFileTypeProfile = .mpeg4AppleHLS

package/package.json

@@ -87,16 +87,15 @@
   "devDependencies": {
     "@expo/config-plugins": "^7.2.5",
     "@jamesacarr/eslint-formatter-github-actions": "^0.2.0",
-    "@react-native/eslint-config": "^0.72.2",
+    "@react-native/eslint-config": "^0.81.0",
-    "@react-native/typescript-config": "^0.74.0",
+    "@react-native/typescript-config": "^0.81.0",
     "@release-it/conventional-changelog": "^7.0.0",
     "@types/react": "^18.2.19",
-    "@types/react-native": "^0.72.2",
     "eslint": "^8.46.0",
     "eslint-plugin-prettier": "^5.0.0",
     "prettier": "^3.0.1",
-    "react": "^18.2.0",
+    "react": "^19.1.1",
-    "react-native": "^0.72.3",
+    "react-native": "^0.81.0",
     "react-native-builder-bob": "^0.21.3",
     "react-native-worklets-core": "^0.3.0",
     "release-it": "^16.1.3",

package/src/VideoFile.ts

@@ -41,6 +41,17 @@ export interface RecordVideoOptions {
    * @default 'normal'
    */
   videoBitRate?: 'extra-low' | 'low' | 'normal' | 'high' | 'extra-high' | number
+  /**
+   * The stream segment type for recording on Android.
+   * - `FRAGMENTED_MP4`: HLS-compatible segments (init.mp4 + numbered segments)
+   * - `RB_CHUNKED_MP4`: Legacy chunked MP4 format
+   *
+   * iOS always uses FRAGMENTED_MP4 regardless of this setting.
+   *
+   * @platform android
+   * @default 'FRAGMENTED_MP4'
+   */
+  streamSegmentType?: 'FRAGMENTED_MP4' | 'RB_CHUNKED_MP4'
 }
 
 /**