Save selected subtitle language (#765)

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

@@ -1014,7 +1014,8 @@ class CS3IPlayer : IPlayer {
                                         format.id!!,
                                         SubtitleOrigin.EMBEDDED_IN_VIDEO,
                                         format.sampleMimeType ?: MimeTypes.APPLICATION_SUBRIP,
-                                        emptyMap()
+                                        emptyMap(),
+                                        format.language
                                     )
                                 }
 

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

@@ -100,7 +100,8 @@ class DownloadFileGenerator(
                         uri.toString(),
                         SubtitleOrigin.DOWNLOADED_FILE,
                         name.toSubtitleMimeType(),
-                        emptyMap()
+                        emptyMap(),
+                        null
                     )
                 )
             }

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

@@ -23,6 +23,7 @@ import androidx.media3.common.Format.NO_VALUE
 import androidx.media3.common.MimeTypes
 import com.lagradost.cloudstream3.*
 import com.lagradost.cloudstream3.APIHolder.getApiFromNameNull
+import com.lagradost.cloudstream3.AcraApplication.Companion.setKey
 import com.lagradost.cloudstream3.CommonActivity.showToast
 import com.lagradost.cloudstream3.databinding.DialogOnlineSubtitlesBinding
 import com.lagradost.cloudstream3.databinding.FragmentPlayerBinding
@@ -38,6 +39,7 @@ import com.lagradost.cloudstream3.ui.player.source_priority.QualityDataHelper
 import com.lagradost.cloudstream3.ui.player.source_priority.QualityProfileDialog
 import com.lagradost.cloudstream3.ui.result.*
 import com.lagradost.cloudstream3.ui.settings.SettingsFragment.Companion.isTvSettings
+import com.lagradost.cloudstream3.ui.subtitles.SUBTITLE_AUTO_SELECT_KEY
 import com.lagradost.cloudstream3.ui.subtitles.SubtitlesFragment.Companion.getAutoSelectLanguageISO639_1
 import com.lagradost.cloudstream3.utils.*
 import com.lagradost.cloudstream3.utils.Coroutines.ioSafe
@@ -100,10 +102,33 @@ class GeneratorPlayer : FullScreenPlayer() {
         binding?.playerLoadingOverlay?.isVisible = true
     }
 
-    private fun setSubtitles(sub: SubtitleData?): Boolean {
+    private fun setSubtitles(subtitle: SubtitleData?): Boolean {
-        currentSelectedSubtitles = sub
+        // If subtitle is changed -> Save the language
-        //Log.i(TAG, "setSubtitles = $sub")
+        if (subtitle != currentSelectedSubtitles) {
-        return player.setPreferredSubtitles(sub)
+            val subtitleLanguage639 = if (subtitle == null) {
+                // "" is No Subtitles
+                ""
+            } else if (subtitle.languageCode != null) {
+                // Could be "English 4" which is why it is trimmed.
+                val trimmedLanguage = subtitle.languageCode.replace(Regex("\\d"), "").trim()
+
+                languages.firstOrNull { language ->
+                    language.languageName.equals(trimmedLanguage, ignoreCase = true) ||
+                            language.ISO_639_1 == subtitle.languageCode
+                }?.ISO_639_1
+            } else {
+                null
+            }
+
+            if (subtitleLanguage639 != null) {
+                setKey(SUBTITLE_AUTO_SELECT_KEY, subtitleLanguage639)
+                preferredAutoSelectSubtitles = subtitleLanguage639
+            }
+        }
+
+        currentSelectedSubtitles = subtitle
+        //Log.i(TAG, "setSubtitles = $subtitle")
+        return player.setPreferredSubtitles(subtitle)
     }
 
     override fun embeddedSubtitlesFetched(subtitles: List<SubtitleData>) {
@@ -448,7 +473,8 @@ class GeneratorPlayer : FullScreenPlayer() {
                             url = url,
                             origin = SubtitleOrigin.URL,
                             mimeType = url.toSubtitleMimeType(),
-                            headers = currentSubtitle.headers
+                            headers = currentSubtitle.headers,
+                            currentSubtitle.lang
                         )
                         runOnMainThread {
                             addAndSelectSubtitles(subtitle)
@@ -536,7 +562,8 @@ class GeneratorPlayer : FullScreenPlayer() {
                     uri.toString(),
                     SubtitleOrigin.DOWNLOADED_FILE,
                     name.toSubtitleMimeType(),
-                    emptyMap()
+                    emptyMap(),
+                    null
                 )
 
                 addAndSelectSubtitles(subtitleData)

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

@@ -30,13 +30,15 @@ enum class SubtitleOrigin {
  * @param name To be displayed in the player
  * @param url Url for the subtitle, when EMBEDDED_IN_VIDEO this variable is used as the real backend id
  * @param headers if empty it will use the base onlineDataSource headers else only the specified headers
+ * @param languageCode Not guaranteed to follow any standard. Could be something like "English 4" or "en".
  * */
 data class SubtitleData(
     val name: String,
     val url: String,
     val origin: SubtitleOrigin,
     val mimeType: String,
-    val headers: Map<String, String>
+    val headers: Map<String, String>,
+    val languageCode: String?
 ) {
     /** Internal ID for exoplayer, unique for each link*/
     fun getId(): String {
@@ -80,7 +82,8 @@ class PlayerSubtitleHelper {
                 url = subtitleFile.url,
                 origin = SubtitleOrigin.URL,
                 mimeType = subtitleFile.url.toSubtitleMimeType(),
-                headers = emptyMap()
+                headers = emptyMap(),
+                languageCode = subtitleFile.lang
             )
         }
     }