Fix for Youtube Extractor Labels

Author: KaifTaufiq

app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt

@@ -166,6 +166,9 @@ class CS3IPlayer : IPlayer {
 
     private val subtitleHelper = PlayerSubtitleHelper()
 
+    /** Ordered list of AudioFile metadata corresponding to audio track order */
+    private var audioFileMetadata = listOf<AudioFile>()
+
     /** If we want to play the audio only in the background when the app is not open */
     private var isAudioOnlyBackground = false
 
@@ -433,10 +436,33 @@ class CS3IPlayer : IPlayer {
     }
 
     private fun Format.toAudioTrack(formatIndex: Int?): AudioTrack {
+
+        // Extract the track number from the Format ID (e.g., "26:1" -> 26)
+        val trackIdNumber = this.id?.split(":")?.firstOrNull()?.toIntOrNull()
+
+        // Find the AudioFile that corresponds to this track
+        val audioFile = if (trackIdNumber != null && audioFileMetadata.isNotEmpty()) {
+            // Map track ID to AudioFile array index
+            // The first audio track seems to start at ID 26 based on debug logs
+            // So we subtract the starting offset to get the array index
+            val startingTrackId = 26 // Based on debug logs showing "id='26:1'"
+            val arrayIndex = trackIdNumber - startingTrackId
+            if (arrayIndex >= 0 && arrayIndex < audioFileMetadata.size) {
+                audioFileMetadata[arrayIndex]
+            } else {
+                null
+            }
+        } else {
+            null
+        }
+
+        val finalLanguage = audioFile?.lang ?: this.language
+        val finalLabel = audioFile?.label ?: this.label
+
         return AudioTrack(
             this.id,
-            this.label,
-            this.language,
+            finalLabel,
+            finalLanguage,
             this.sampleMimeType,
             this.channelCount,
             formatIndex ?: 0,
@@ -1699,9 +1725,15 @@ class CS3IPlayer : IPlayer {
         audioTracks: List<AudioFile>,
         interceptor: Interceptor?,
     ): List<MediaSource> {
+        // Store AudioFile metadata in order
+        audioFileMetadata = audioTracks
+
         return audioTracks.mapNotNull { audio ->
             try {
-                val mediaItem = getMediaItem(MimeTypes.AUDIO_UNKNOWN, audio.url)
+                val mediaItem = MediaItem.Builder()
+                    .setUri(audio.url)
+                    .setMimeType(MimeTypes.AUDIO_UNKNOWN)
+                    .build()
                 val dataSourceFactory = createOnlineSource(audio.headers, interceptor)
                 DefaultMediaSourceFactory(dataSourceFactory).createMediaSource(mediaItem)
             } catch (e: Exception) {

library/src/commonMain/kotlin/com/lagradost/cloudstream3/MainAPI.kt

@@ -1154,7 +1154,9 @@ suspend fun newSubtitleFile(
 @ConsistentCopyVisibility
 data class AudioFile internal constructor(
     var url: String,
-    var headers: Map<String, String>? = null
+    var headers: Map<String, String>? = null,
+    var lang: String? = null,
+    var label: String? = null
 )
 
 /** Creates an AudioFile with optional initializer for setting additional properties.

library/src/commonMain/kotlin/com/lagradost/cloudstream3/extractors/YoutubeExtractor.kt

@@ -72,7 +72,10 @@ open class YoutubeExtractor(
                     url = video.content
                 ) {
                     quality = video.height
-                    audioTracks = audioStreams.map { newAudioFile(it.content) }
+                    audioTracks = audioStreams.map { newAudioFile(it.content){
+                        this.lang = it.audioLocale?.toString()
+                        this.label = it.audioTrackName
+                    } }
                 }
             )
         }