feat: show audio track languages in i18n strings

Author: InfinityLoop1308

android/src/main/kotlin/project/pipepipe/app/ui/component/player/PlayerControl.kt

@@ -725,23 +725,38 @@ private fun MoreMenu(
             expanded = showAudioLanguageMenu,
             onDismissRequest = { onAudioLanguageMenuChange(false) }
         ) {
+            val originText = stringResource(MR.strings.sort_origin)
             availableLanguages.forEach { language ->
+                // Get localized language name using Locale
+                val languageCode = language.first
+                val locale = java.util.Locale.forLanguageTag(languageCode)
+                val localizedName = locale.getDisplayLanguage(java.util.Locale.getDefault())
+                val displayText = if (localizedName.isNotBlank()) {
+                    if (language.second) {
+                        "$localizedName ($originText)"
+                    } else {
+                        localizedName
+                    }
+                } else {
+                    if (language.second) {
+                        "$languageCode ($originText)"
+                    } else {
+                        languageCode
+                    }
+                }
+
                 DropdownMenuItem(
                     text = {
                         Text(
-                            text = language.first + if (language.second) " (${
-                                stringResource(
-                                    MR.strings.sort_origin
-                                )
-                            })" else "",
-                            color = if (currentLanguage == language.first)
+                            text = displayText,
+                            color = if (currentLanguage == languageCode)
                                 MaterialTheme.colorScheme.primary
                             else
                                 MaterialTheme.colorScheme.onSurface
                         )
                     },
                     onClick = {
-                        onAudioLanguageSelected(language.first)
+                        onAudioLanguageSelected(languageCode)
                         onAudioLanguageMenuChange(false)
                     }
                 )

android/src/main/kotlin/project/pipepipe/app/ui/component/player/VideoPlayer.kt

@@ -461,10 +461,13 @@ fun VideoPlayer(
         val languages = mutableSetOf<Pair<String, Boolean>>()
         currentTracks.groups.filter { it.type == C.TRACK_TYPE_AUDIO }.forEach { audioGroup ->
             audioGroup?.forEachIndexed { index, format ->
-                val languageName = format.language ?: audioLanguageDefault
-                languages.add(Pair(languageName, languageName.contains("Original")))
+                val rawLanguage = format.language ?: audioLanguageDefault
+                // Extract pure language code by removing everything after "."
+                val languageCode = rawLanguage.substringBefore(".")
+                val isOriginal = rawLanguage.contains("Original")
+                languages.add(Pair(languageCode, isOriginal))
                 if (audioGroup.isTrackSelected(index)) {
-                    currentLanguage = languageName
+                    currentLanguage = languageCode
                 }
             }
         }