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

@@ -11,6 +11,7 @@ import com.mrousavy.camera.core.CodeScannerFrame
 import com.mrousavy.camera.core.UnknownCameraError
 import com.mrousavy.camera.core.code
 import com.mrousavy.camera.types.CodeType
+import java.io.File
 
 fun CameraView.invokeOnInitialized() {
   Log.i(CameraView.TAG, "invokeOnInitialized()")
@@ -33,6 +34,15 @@ fun CameraView.invokeOnStopped() {
   reactContext.getJSModule(RCTEventEmitter::class.java).receiveEvent(id, "cameraStopped", null)
 }
 
+fun CameraView.invokeOnChunkReady(filepath: File, index: Int) {
+  Log.e(CameraView.TAG, "invokeOnError(...):")
+  val event = Arguments.createMap()
+  event.putInt("index", index)
+  event.putString("filepath", filepath.toString())
+  val reactContext = context as ReactContext
+  reactContext.getJSModule(RCTEventEmitter::class.java).receiveEvent(id, "onVideoChunkReady", event)
+}
+
 fun CameraView.invokeOnError(error: Throwable) {
   Log.e(CameraView.TAG, "invokeOnError(...):")
   error.printStackTrace()

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

@@ -25,6 +25,7 @@ import com.mrousavy.camera.types.Torch
 import com.mrousavy.camera.types.VideoStabilizationMode
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
+import java.io.File
 
 //
 // TODOs for the CameraView which are currently too hard to implement either because of CameraX' limitations, or my brain capacity.
@@ -265,6 +266,10 @@ class CameraView(context: Context) :
     invokeOnStopped()
   }
 
+  override fun onVideoChunkReady(filepath: File, index: Int) {
+    invokeOnChunkReady(filepath, index)
+  }
+
   override fun onCodeScanned(codes: List<Barcode>, scannerFrame: CodeScannerFrame) {
     invokeOnCodeScanned(codes, scannerFrame)
   }

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

@@ -29,6 +29,7 @@ class CameraViewManager : ViewGroupManager<CameraView>() {
       .put("cameraStopped", MapBuilder.of("registrationName", "onStopped"))
       .put("cameraError", MapBuilder.of("registrationName", "onError"))
       .put("cameraCodeScanned", MapBuilder.of("registrationName", "onCodeScanned"))
+      .put("onVideoChunkReady", MapBuilder.of("registrationName", "onVideoChunkReady"))
       .build()
 
   override fun getName(): String = TAG

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

@@ -54,6 +54,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
+import java.io.File
 
 class CameraSession(private val context: Context, private val cameraManager: CameraManager, private val callback: Callback) :
   CameraManager.AvailabilityCallback(),
@@ -640,7 +641,8 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
         orientation,
         options,
         callback,
-        onError
+        onError,
+        this.callback,
       )
       recording.start()
       this.recording = recording
@@ -724,6 +726,7 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
     fun onInitialized()
     fun onStarted()
     fun onStopped()
+    fun onVideoChunkReady(filepath: File, index: Int)
     fun onCodeScanned(codes: List<Barcode>, scannerFrame: CodeScannerFrame)
   }
 }

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

@@ -13,12 +13,13 @@ import com.mrousavy.camera.types.RecordVideoOptions
 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) :
+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() {
   companion object {
     private const val TAG = "ChunkedRecorder"
 
     fun fromParams(
+      callbacks: CameraSession.Callback,
       size: Size,
       enableAudio: Boolean,
       fps: Int? = null,
@@ -57,7 +58,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
       // 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, 0, iFrameInterval)
+      return ChunkedRecordingManager(codec, outputDirectory, 0, iFrameInterval, callbacks)
     }
   }
 
@@ -79,7 +80,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
   }
 
   // Muxer specific
-  private class MuxerContext(val muxer: MediaMuxer, startTimeUs: Long, encodedFormat: MediaFormat) {
+  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
 
@@ -97,7 +98,10 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
   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"
@@ -109,7 +113,7 @@ class ChunkedRecordingManager(private val encoder: MediaCodec, private val outpu
     )
     muxer.setOrientationHint(orientationHint)
     muxerContext = MuxerContext(
-      muxer, bufferInfo.presentationTimeUs, this.encodedFormat!!
+      muxer, newOutputFile, chunkIndex, bufferInfo.presentationTimeUs, this.encodedFormat!!
     )
   }
 

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

@@ -24,7 +24,8 @@ class RecordingSession(
   private val cameraOrientation: Orientation,
   private val options: RecordVideoOptions,
   private val callback: (video: Video) -> Unit,
-  private val onError: (error: CameraError) -> Unit
+  private val onError: (error: CameraError) -> Unit,
+  private val allCallbacks: CameraSession.Callback,
 ) {
   companion object {
     private const val TAG = "RecordingSession"
@@ -45,6 +46,7 @@ class RecordingSession(
 
   private val bitRate = getBitRate()
   private val recorder = ChunkedRecordingManager.fromParams(
+    allCallbacks,
     size,
     enableAudio,
     fps,

package/src/Camera.tsx

@@ -26,6 +26,10 @@ interface OnErrorEvent {
 	message: string
 	cause?: ErrorWithCause
 }
+interface OnVideoChunkReadyEvent {
+	filepath: string
+	index: int
+}
 type NativeCameraViewProps = Omit<CameraProps, 'device' | 'onInitialized' | 'onError' | 'frameProcessor' | 'codeScanner'> & {
 	cameraId: string
 	enableFrameProcessor: boolean
@@ -35,6 +39,7 @@ type NativeCameraViewProps = Omit<CameraProps, 'device' | 'onInitialized' | 'onE
 	onCodeScanned?: (event: NativeSyntheticEvent<OnCodeScannedEvent>) => void
 	onStarted?: (event: NativeSyntheticEvent<void>) => void
 	onStopped?: (event: NativeSyntheticEvent<void>) => void
+	onVideoChunkReady?: (event: NativeSyntheticEvent<OnVideoChunkReadyEvent>) => void
 	onViewReady: () => void
 }
 type NativeRecordVideoOptions = Omit<RecordVideoOptions, 'onRecordingError' | 'onRecordingFinished' | 'videoBitRate'> & {