use window manager to determine device rotation in android

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

@@ -428,19 +428,21 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
 
       // 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 orientationHint for video recording:
+      // Map device rotation to the correct orientation for video recording.
-      // - Counter-clockwise (ROTATION_90) → 270° hint
+      // Surface.ROTATION_90 = device rotated 90° CCW = phone top on LEFT = LANDSCAPE_LEFT
-      // - Clockwise (ROTATION_270) → 90° hint
+      // 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_RIGHT
+        Surface.ROTATION_90 -> Orientation.LANDSCAPE_LEFT
         Surface.ROTATION_180 -> Orientation.PORTRAIT_UPSIDE_DOWN
-        Surface.ROTATION_270 -> Orientation.LANDSCAPE_LEFT
+        Surface.ROTATION_270 -> Orientation.LANDSCAPE_RIGHT
         else -> Orientation.PORTRAIT
       }
 
+      Log.i(TAG, "startRecording: orientation=${recordingOrientation.toDegrees()}° (deviceRotation=$deviceRotation)")
+
       val recording = RecordingSession(
         context,
         cameraId,
@@ -448,7 +450,7 @@ class CameraSession(private val context: Context, private val cameraManager: Cam
         enableAudio,
         fps,
         videoOutput.enableHdr,
-        orientation,
+        recordingOrientation,
         options,
         filePath,
         callback,

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

@@ -39,17 +39,18 @@ class FragmentedRecordingManager(
             segmentDurationSeconds: Int = DEFAULT_SEGMENT_DURATION_SECONDS
         ): FragmentedRecordingManager {
             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
+            val orientationDegrees = cameraOrientation.toDegrees()
 
-            // Use size dimensions directly - the encoder output format will have the actual dimensions
+            // Swap dimensions based on camera orientation, same as ChunkedRecordingManager
-            // Don't swap based on orientation here; the camera pipeline handles that
+            val (width, height) = if (cameraOrientation.isLandscape()) {
-            val width = size.width
+                size.height to size.width
-            val height = size.height
+            } else {
+                size.width to size.height
+            }
 
-            Log.d(TAG, "Input size: ${size.width}x${size.height}, " +
+            Log.d(TAG, "Recording: ${width}x${height}, orientation=$orientationDegrees°")
-                    "cameraOrientation: $cameraOrientation ($cameraOrientationDegrees°), " +
-                    "recordingOrientation: $recordingOrientationDegrees°")
 
             val format = MediaFormat.createVideoFormat(mimeType, width, height)
             val codec = MediaCodec.createEncoderByType(mimeType)
@@ -59,16 +60,18 @@ class FragmentedRecordingManager(
                 MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface
             )
 
-            val effectiveFps = fps ?: 30
+            // 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)
 
-            Log.d(TAG, "Video Format: $format, orientation: $recordingOrientationDegrees")
-
             codec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE)
 
-            // Create muxer with callbacks and orientation
             val muxer = HlsMuxer(
                 outputDirectory = outputDirectory,
                 callback = object : HlsMuxer.Callback {
@@ -80,12 +83,11 @@ class FragmentedRecordingManager(
                         callbacks.onVideoChunkReady(file, index, durationUs)
                     }
                 },
-                orientationDegrees = recordingOrientationDegrees
+                orientationDegrees = orientationDegrees,
+                fps = effectiveFps
             )
             muxer.setSegmentDuration(segmentDurationSeconds * 1_000_000L)
 
-            Log.d(TAG, "Created HlsMuxer with orientation: $recordingOrientationDegrees degrees")
-
             return FragmentedRecordingManager(codec, muxer)
         }
     }

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

@@ -27,7 +27,8 @@ import java.nio.ByteBuffer
 class HlsMuxer(
     private val outputDirectory: File,
     private val callback: Callback,
-    private val orientationDegrees: Int = 0
+    private val orientationDegrees: Int = 0,
+    private val fps: Int = 30
 ) {
     companion object {
         private const val TAG = "HlsMuxer"
@@ -41,7 +42,7 @@ class HlsMuxer(
 
     // Configuration
     private var targetSegmentDurationUs: Long = DEFAULT_SEGMENT_DURATION_US
-    private var timescale: Int = 30000  // Default, updated from format
+    private var timescale: Int = 30000  // Default, updated in addTrack() to fps * 1000
 
     // State
     private var state = State.UNINITIALIZED
@@ -54,6 +55,14 @@ class HlsMuxer(
     private var segmentStartTimeUs = -1L
     private var lastPresentationTimeUs = 0L
 
+    // Timestamp normalization - MediaCodec timestamps are device uptime, not starting from 0
+    private var firstPresentationTimeUs = -1L
+
+    // Actual fps detection from frame timestamps
+    private var detectedFps: Int? = null
+    private var fpsDetectionSamples = mutableListOf<Long>()
+    private val FPS_DETECTION_SAMPLE_COUNT = 30
+
     private enum class State {
         UNINITIALIZED,
         INITIALIZED,
@@ -69,6 +78,29 @@ class HlsMuxer(
         val isKeyFrame: Boolean
     )
 
+    // ==================== Timestamp Normalization ====================
+
+    /**
+     * Normalizes a presentation timestamp to start from 0.
+     * The first timestamp received becomes time 0, and all subsequent
+     * timestamps are relative to that.
+     *
+     * This is necessary because MediaCodec timestamps are based on device uptime,
+     * not starting from 0. HLS players expect timestamps to start at or near 0.
+     */
+    private fun normalizeTimestamp(rawPresentationTimeUs: Long): Long {
+        if (firstPresentationTimeUs < 0) {
+            firstPresentationTimeUs = rawPresentationTimeUs
+            Log.d(TAG, "First timestamp captured: ${rawPresentationTimeUs}us (${rawPresentationTimeUs / 1_000_000.0}s), normalizing to 0")
+        }
+        val normalized = rawPresentationTimeUs - firstPresentationTimeUs
+        // Log first few normalizations to debug
+        if (normalized < 1_000_000) { // First second
+            Log.d(TAG, "Timestamp: raw=${rawPresentationTimeUs}us -> normalized=${normalized}us")
+        }
+        return normalized
+    }
+
     // ==================== Annex-B to AVCC Conversion ====================
 
     /**
@@ -201,13 +233,11 @@ class HlsMuxer(
 
         trackFormat = format
 
-        // Extract timescale from frame rate
+        // Use fps * 1000 as timescale for good precision (1000 timescale units per frame).
-        val fps = try {
+        // This ensures accurate sample durations without integer truncation issues.
-            format.getInteger(MediaFormat.KEY_FRAME_RATE)
+        // Note: ffprobe may report r_frame_rate based on timescale, so the backend
-        } catch (e: Exception) {
+        // should use the explicit framesPerSecond from the API mutation, not ffprobe.
-            30
+        timescale = fps * 1000
-        }
-        timescale = fps * 1000  // Use fps * 1000 for good precision
 
         state = State.INITIALIZED
 
@@ -215,7 +245,7 @@ class HlsMuxer(
         val formatHeight = try { format.getInteger(MediaFormat.KEY_HEIGHT) } catch (e: Exception) { -1 }
         Log.d(TAG, "Added track: ${format.getString(MediaFormat.KEY_MIME)}, " +
                 "encoder output: ${formatWidth}x${formatHeight}, " +
-                "timescale=$timescale, orientation=$orientationDegrees°")
+                "fps=$fps, timescale=$timescale, orientation=$orientationDegrees°")
 
         return 0  // Single track, index 0
     }
@@ -227,16 +257,30 @@ class HlsMuxer(
         check(state == State.INITIALIZED) { "Must call addTrack() before start()" }
         val format = trackFormat ?: throw IllegalStateException("No track format")
 
-        // Create output directory if needed
+        // Create output directory if needed, with proper error handling
         if (!outputDirectory.exists()) {
-            outputDirectory.mkdirs()
+            val created = outputDirectory.mkdirs()
+            if (!created && !outputDirectory.exists()) {
+                throw IllegalStateException(
+                    "Failed to create output directory: ${outputDirectory.absolutePath}. " +
+                    "Parent exists: ${outputDirectory.parentFile?.exists()}, " +
+                    "Parent path: ${outputDirectory.parentFile?.absolutePath}"
+                )
+            }
+            Log.d(TAG, "Created output directory: ${outputDirectory.absolutePath}")
         }
 
         // Write init segment
         val initBytes = buildInitSegment(format)
         val initFile = File(outputDirectory, "init.mp4")
         FileOutputStream(initFile).use { it.write(initBytes) }
+
+        // Log frame rate metadata for debugging
+        val defaultSampleDuration = timescale / fps
         Log.d(TAG, "Created init segment: ${initFile.absolutePath} (${initBytes.size} bytes)")
+        Log.d(TAG, "Frame rate metadata: timescale=$timescale, fps=$fps, " +
+                "default_sample_duration=$defaultSampleDuration (ffprobe should calculate ${timescale}/${defaultSampleDuration}=${fps}fps)")
+
         callback.onInitSegmentReady(initFile)
 
         state = State.STARTED
@@ -259,13 +303,40 @@ class HlsMuxer(
         }
 
         val isKeyFrame = (bufferInfo.flags and MediaCodec.BUFFER_FLAG_KEY_FRAME) != 0
-        val presentationTimeUs = bufferInfo.presentationTimeUs
+        // Normalize timestamp to start from 0 (MediaCodec uses device uptime)
+        val presentationTimeUs = normalizeTimestamp(bufferInfo.presentationTimeUs)
+
+        // Detect actual fps from first N samples
+        if (detectedFps == null) {
+            fpsDetectionSamples.add(presentationTimeUs)
+            if (fpsDetectionSamples.size >= FPS_DETECTION_SAMPLE_COUNT) {
+                val elapsed = fpsDetectionSamples.last() - fpsDetectionSamples.first()
+                if (elapsed > 0) {
+                    val actualFps = ((FPS_DETECTION_SAMPLE_COUNT - 1) * 1_000_000.0 / elapsed).toInt()
+                    detectedFps = actualFps
+                    if (kotlin.math.abs(actualFps - fps) > 5) {
+                        Log.w(TAG, "Actual fps ($actualFps) differs significantly from configured fps ($fps)! " +
+                                "This may cause processing issues if backend uses configured fps.")
+                    } else {
+                        Log.d(TAG, "Detected actual fps: $actualFps (configured: $fps)")
+                    }
+                }
+                fpsDetectionSamples.clear() // Free memory
+            }
+        }
 
         // Initialize segment start time
         if (segmentStartTimeUs < 0) {
             segmentStartTimeUs = presentationTimeUs
         }
 
+        // Update duration of previous sample BEFORE finalization check
+        // This ensures the last sample has correct duration when segment is finalized
+        if (pendingSamples.isNotEmpty()) {
+            val lastSample = pendingSamples.last()
+            lastSample.durationUs = presentationTimeUs - lastSample.presentationTimeUs
+        }
+
         // Check if we should finalize current segment (at keyframe boundaries)
         if (isKeyFrame && pendingSamples.isNotEmpty()) {
             val segmentDurationUs = presentationTimeUs - segmentStartTimeUs
@@ -284,12 +355,6 @@ class HlsMuxer(
         // Convert Annex-B (start codes) to AVCC (length prefixes)
         val data = convertAnnexBToAvcc(rawData)
 
-        // Update duration of previous sample
-        if (pendingSamples.isNotEmpty()) {
-            val lastSample = pendingSamples.last()
-            lastSample.durationUs = presentationTimeUs - lastSample.presentationTimeUs
-        }
-
         // Estimate duration (will be corrected by next sample)
         val estimatedDurationUs = if (lastPresentationTimeUs > 0) {
             presentationTimeUs - lastPresentationTimeUs
@@ -351,6 +416,7 @@ class HlsMuxer(
             val durationUs = (lastSample.presentationTimeUs - firstPts) + lastSample.durationUs
 
             Log.d(TAG, "Created segment $segmentIndex: samples=${pendingSamples.size}, " +
+                    "baseDecodeTime=${baseDecodeTimeUs}us (${baseDecodeTimeUs / 1_000_000.0}s), " +
                     "duration=${durationUs / 1000}ms, size=${fragmentBytes.size} bytes")
 
             callback.onMediaSegmentReady(segmentFile, segmentIndex, durationUs)
@@ -478,31 +544,80 @@ class HlsMuxer(
         dos.writeShort(0)        // volume (0 for video)
         dos.writeShort(0)        // reserved
 
-        // Rotation matrix - use identity and rely on correct dimensions from encoder
+        // Rotation matrix based on orientationDegrees
-        // The encoder output format already has the correct dimensions for the content
+        writeRotationMatrix(dos, width, height)
-        writeRotationMatrix(dos)
 
-        // Use dimensions as-is from encoder output format
+        // For 90° and 270° rotations, the display dimensions are swapped
-        dos.writeInt(width shl 16)   // width (16.16 fixed point)
+        // The tkhd width/height represent the final display size after rotation
-        dos.writeInt(height shl 16)  // height (16.16 fixed point)
+        val (displayWidth, displayHeight) = when (orientationDegrees) {
+            90, 270 -> Pair(height, width)
+            else -> Pair(width, height)
+        }
+        dos.writeInt(displayWidth shl 16)   // width (16.16 fixed point)
+        dos.writeInt(displayHeight shl 16)  // height (16.16 fixed point)
 
-        Log.d(TAG, "tkhd: ${width}x${height}, rotation=$orientationDegrees")
+        Log.d(TAG, "tkhd: encoder=${width}x${height}, display=${displayWidth}x${displayHeight}, rotation=$orientationDegrees")
 
         return wrapBox("tkhd", output.toByteArray())
     }
 
     /**
      * Writes the 3x3 transformation matrix for video rotation.
-     * Uses simple rotation values - the encoder already outputs correctly oriented frames.
+     * The matrix is applied to rotate the video content for correct display.
+     *
+     * Matrix format in tkhd box (all values in fixed-point):
+     * | a  b  u |   where a,b,c,d are 16.16 fixed-point
+     * | c  d  v |   and u,v are 2.30 fixed-point (always 0)
+     * | x  y  w |   x,y are 16.16, w is 2.30 (always 1.0)
+     *
+     * For rotation by θ: a=cos(θ), b=sin(θ), c=-sin(θ), d=cos(θ)
+     * Translation (x,y) keeps the rotated video in the visible area.
      */
-    private fun writeRotationMatrix(dos: DataOutputStream) {
+    private fun writeRotationMatrix(dos: DataOutputStream, width: Int, height: Int) {
         // Fixed-point constants
         val one = 0x00010000      // 1.0 in 16.16
+        val negOne = -0x00010000  // -1.0 in 16.16 (will be written as unsigned)
         val w = 0x40000000        // 1.0 in 2.30
 
-        // Identity matrix - no transformation
+        when (orientationDegrees) {
-        // Most HLS players handle rotation via the dimensions themselves
+            90 -> {
-        // or we can add rotation metadata separately if needed
+                // 90° rotation: x' = y, y' = -x + width
+                dos.writeInt(0)              // a = 0
+                dos.writeInt(negOne)         // b = -1
+                dos.writeInt(0)              // u = 0
+                dos.writeInt(one)            // c = 1
+                dos.writeInt(0)              // d = 0
+                dos.writeInt(0)              // v = 0
+                dos.writeInt(0)              // x = 0
+                dos.writeInt(width shl 16)   // y = width (translation)
+                dos.writeInt(w)              // w = 1
+            }
+            180 -> {
+                // 180° rotation
+                dos.writeInt(negOne)         // a = -1
+                dos.writeInt(0)              // b = 0
+                dos.writeInt(0)              // u = 0
+                dos.writeInt(0)              // c = 0
+                dos.writeInt(negOne)         // d = -1
+                dos.writeInt(0)              // v = 0
+                dos.writeInt(width shl 16)   // x = width (translation)
+                dos.writeInt(height shl 16)  // y = height (translation)
+                dos.writeInt(w)              // w = 1
+            }
+            270 -> {
+                // 270° rotation: x' = -y + height, y' = x
+                dos.writeInt(0)              // a = 0
+                dos.writeInt(one)            // b = 1
+                dos.writeInt(0)              // u = 0
+                dos.writeInt(negOne)         // c = -1
+                dos.writeInt(0)              // d = 0
+                dos.writeInt(0)              // v = 0
+                dos.writeInt(height shl 16)  // x = height (translation)
+                dos.writeInt(0)              // y = 0
+                dos.writeInt(w)              // w = 1
+            }
+            else -> {
+                // 0° or unknown: identity matrix
                 dos.writeInt(one)   // a = 1
                 dos.writeInt(0)     // b = 0
                 dos.writeInt(0)     // u = 0
@@ -513,6 +628,8 @@ class HlsMuxer(
                 dos.writeInt(0)     // y = 0
                 dos.writeInt(w)     // w = 1
             }
+        }
+    }
 
     private fun buildMdiaBox(width: Int, height: Int, sps: ByteArray, pps: ByteArray): ByteArray {
         val content = ByteArrayOutputStream()
@@ -598,7 +715,7 @@ class HlsMuxer(
     private fun buildStblBox(width: Int, height: Int, sps: ByteArray, pps: ByteArray): ByteArray {
         val content = ByteArrayOutputStream()
         content.write(buildStsdBox(width, height, sps, pps))
-        content.write(buildEmptySttsBox())
+        content.write(buildSttsBox())  // Contains default timing for ffprobe frame rate detection
         content.write(buildEmptyStscBox())
         content.write(buildEmptyStszBox())
         content.write(buildEmptyStcoBox())
@@ -665,11 +782,21 @@ class HlsMuxer(
         return wrapBox("avcC", output.toByteArray())
     }
 
-    private fun buildEmptySttsBox(): ByteArray {
+    private fun buildSttsBox(): ByteArray {
         val output = ByteArrayOutputStream()
         val dos = DataOutputStream(output)
+
+        // For fragmented MP4, stts is normally empty as timing is in trun boxes.
+        // However, ffprobe uses stts to calculate r_frame_rate when present.
+        // We add a single entry with the default sample duration so ffprobe
+        // can derive: r_frame_rate = timescale / sample_delta = 30000/1000 = 30
+        val defaultSampleDuration = timescale / fps
+
         dos.writeInt(0)  // version & flags
-        dos.writeInt(0)  // entry count
+        dos.writeInt(1)  // entry count (1 entry for default timing)
+        dos.writeInt(1)  // sample_count (indicates this is the default duration)
+        dos.writeInt(defaultSampleDuration)  // sample_delta in timescale units
+
         return wrapBox("stts", output.toByteArray())
     }
 
@@ -706,10 +833,15 @@ class HlsMuxer(
         val output = ByteArrayOutputStream()
         val dos = DataOutputStream(output)
 
+        // Calculate default sample duration so ffprobe can derive correct fps
+        // fps = timescale / default_sample_duration
+        // At 30fps with timescale=30000: duration=1000, ffprobe calculates 30000/1000=30
+        val defaultSampleDuration = timescale / fps
+
         dos.writeInt(0)  // version & flags
         dos.writeInt(1)  // track ID
         dos.writeInt(1)  // default sample description index
-        dos.writeInt(0)  // default sample duration
+        dos.writeInt(defaultSampleDuration)  // default sample duration
         dos.writeInt(0)  // default sample size
         dos.writeInt(0)  // default sample flags
 
@@ -753,9 +885,11 @@ class HlsMuxer(
     ): ByteArray {
         // Calculate sizes to determine data offset
         val mfhdBox = buildMfhdBox(sequenceNumber)
-        val tfhdSize = 8 + 8   // box header + content (version/flags + track_id)
+        // tfhd: 8 header + 4 version/flags + 4 track_id + 4 duration + 4 size + 4 flags = 28 bytes
+        val tfhdSize = 8 + 20
         val tfdtSize = 8 + 12  // box header + version 1 content
-        val trunSize = 8 + 12 + (samples.size * 12)  // header + fixed + per-sample (no composition offset)
+        // trun: 8 header + 12 fixed + per-sample (size + flags only, no duration)
+        val trunSize = 8 + 12 + (samples.size * 8)
         val trafSize = 8 + tfhdSize + tfdtSize + trunSize
         val moofSize = 8 + mfhdBox.size + trafSize
 
@@ -790,9 +924,21 @@ class HlsMuxer(
         val output = ByteArrayOutputStream()
         val dos = DataOutputStream(output)
 
-        // Flags: default-base-is-moof (0x020000)
+        // Calculate default sample duration for this fragment
-        dos.writeInt(0x00020000)
+        // This helps ffprobe calculate correct frame rate when reading via HLS
+        val defaultSampleDuration = timescale / fps  // e.g., 30000/30 = 1000
+
+        // Match iOS AVFoundation's tfhd structure (28 bytes total)
+        // Flags: default-base-is-moof (0x020000) + default-sample-duration (0x000008)
+        //        + default-sample-size (0x000010) + default-sample-flags (0x000020)
+        val flags = 0x00020000 or 0x000008 or 0x000010 or 0x000020
+        dos.writeInt(flags)
         dos.writeInt(1)  // track ID
+        dos.writeInt(defaultSampleDuration)  // default sample duration in timescale units
+        dos.writeInt(0)  // default sample size (0 = variable, specified in trun)
+        dos.writeInt(0x01010000)  // default sample flags (non-keyframe, depends on others)
+
+        Log.d(TAG, "tfhd: default_sample_duration=$defaultSampleDuration (timescale=$timescale, fps=$fps)")
 
         return wrapBox("tfhd", output.toByteArray())
     }
@@ -815,16 +961,17 @@ class HlsMuxer(
         val output = ByteArrayOutputStream()
         val dos = DataOutputStream(output)
 
-        // Flags: data-offset + sample-duration + sample-size + sample-flags
+        // Flags: data-offset + sample-size + sample-flags
-        val flags = 0x000001 or 0x000100 or 0x000200 or 0x000400
+        // NOTE: We intentionally OMIT sample-duration (0x000100) so ffprobe uses
+        // the default_sample_duration from tfhd instead of per-sample durations.
+        // This ensures consistent frame rate calculation via HLS.
+        val flags = 0x000001 or 0x000200 or 0x000400
         dos.writeInt(flags)
         dos.writeInt(samples.size)
         dos.writeInt(dataOffset)
 
         for (sample in samples) {
-            // Convert duration to timescale units
+            // No duration - using default from tfhd
-            val durationInTimescale = ((sample.durationUs * timescale) / 1_000_000).toInt()
-            dos.writeInt(durationInTimescale)
             dos.writeInt(sample.data.size)
             dos.writeInt(buildSampleFlags(sample.isKeyFrame))
         }

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

@@ -44,7 +44,14 @@ class RecordingSession(
 
   data class Video(val path: String, val durationMs: Long, val size: Size)
 
-  private val outputPath: File = File(filePath)
+  // Strip file:// prefix if present (expo-file-system returns URIs with this prefix)
+  private val outputPath: File = File(
+    if (filePath.startsWith("file://")) {
+      filePath.removePrefix("file://")
+    } else {
+      filePath
+    }
+  )
 
   private val bitRate = getBitRate()