custom subtitles dialog

app/src/main/java/com/github/libretube/fragments/PlayerFragment.kt

@@ -77,6 +77,7 @@ import com.google.android.exoplayer2.source.DefaultMediaSourceFactory
 import com.google.android.exoplayer2.source.MediaSource
 import com.google.android.exoplayer2.source.MergingMediaSource
 import com.google.android.exoplayer2.source.ProgressiveMediaSource
+import com.google.android.exoplayer2.trackselection.DefaultTrackSelector
 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout
 import com.google.android.exoplayer2.ui.CaptionStyleCompat
 import com.google.android.exoplayer2.ui.PlayerNotificationManager
@@ -122,6 +123,7 @@ class PlayerFragment : Fragment() {
     private var isLoading = true
     private lateinit var exoPlayerView: StyledPlayerView
     private lateinit var exoPlayer: ExoPlayer
+    private lateinit var trackSelector: DefaultTrackSelector
     private lateinit var segmentData: Segments
     private var relatedStreamsEnabled = true
 
@@ -1165,7 +1167,9 @@ class PlayerFragment : Fragment() {
             }
         }
         // create a list of subtitles
-        subtitle = mutableListOf<SubtitleConfiguration>()
+        subtitle = mutableListOf()
+        val subtitlesNamesList = mutableListOf(context?.getString(R.string.none)!!)
+        val subtitleCodesList = mutableListOf("")
         response.subtitles!!.forEach {
             subtitle.add(
                 SubtitleConfiguration.Builder(it.url!!.toUri())
@@ -1173,7 +1177,51 @@ class PlayerFragment : Fragment() {
                     .setLanguage(it.code) // The subtitle language (optional).
                     .build()
             )
+            subtitlesNamesList += it.name!!
+            subtitleCodesList += it.code!!
         }
+
+        // captions selection dialog
+        // hide caption selection view if no subtitles available
+        if (response.subtitles.isEmpty()) playerBinding.captions.visibility = View.GONE
+        playerBinding.captions.setOnClickListener {
+            MaterialAlertDialogBuilder(requireContext())
+                .setTitle(R.string.captions)
+                .setItems(subtitlesNamesList.toTypedArray()) { _, index ->
+                    val newParams = if (index != 0) {
+                        // caption selected
+
+                        // get the caption name and language
+                        val captionLanguage = subtitlesNamesList[index]
+                        val captionLanguageCode = subtitleCodesList[index]
+
+                        // update the icon
+                        playerBinding.captions.setImageResource(R.drawable.ic_caption)
+                        playerBinding.captions.setColorFilter(Color.WHITE)
+
+                        // select the new caption preference
+                        trackSelector.buildUponParameters()
+                            .setPreferredTextLanguages(
+                                captionLanguage,
+                                captionLanguageCode
+                            )
+                            .setPreferredTextRoleFlags(C.ROLE_FLAG_CAPTION)
+                    } else {
+                        // none selected
+                        playerBinding.captions.setImageResource(R.drawable.ic_caption_outlined)
+                        playerBinding.captions.setColorFilter(Color.GRAY)
+
+                        // disable captions
+                        trackSelector.buildUponParameters()
+                            .setPreferredTextLanguage("")
+                    }
+
+                    // set the new caption language
+                    trackSelector.setParameters(newParams)
+                }
+                .show()
+        }
+
         // set media source and resolution in the beginning
         setStreamSource(
             response,
@@ -1222,11 +1270,11 @@ class PlayerFragment : Fragment() {
     ) {
         val defRes = PreferenceHelper.getString(
             requireContext(),
-            "default_resolution",
+            "default_res",
-            "hls"
+            ""
         )!!
 
-        if (defRes != "hls") {
+        if (defRes != "") {
             videosNameArray.forEachIndexed { index, pipedStream ->
                 // search for quality preference in the available stream sources
                 if (pipedStream.contains(defRes)) {
@@ -1290,9 +1338,12 @@ class PlayerFragment : Fragment() {
             )
             .build()
 
+        trackSelector = DefaultTrackSelector(requireContext())
+
         exoPlayer = ExoPlayer.Builder(view.context)
             .setMediaSourceFactory(DefaultMediaSourceFactory(dataSourceFactory))
             .setLoadControl(loadControl)
+            .setTrackSelector(trackSelector)
             .build()
 
         exoPlayer.setAudioAttributes(audioAttributes, true)

app/src/main/java/com/github/libretube/util/PlayerHelper.kt

@@ -6,18 +6,20 @@ import com.github.libretube.obj.PipedStream
 import com.google.android.exoplayer2.ui.CaptionStyleCompat
 
 object PlayerHelper {
+    private val TAG = "PlayerHelper"
+
     // get the best bit rate from audio streams
     fun getMostBitRate(audios: List<PipedStream>): String {
         var bitrate = 0
-        var index = 0
+        var audioUrl = ""
-        for ((i, audio) in audios.withIndex()) {
+        audios.forEach {
-            val q = audio.quality!!.replace(" kbps", "").toInt()
+            val q = it.quality!!.replace(" kbps", "").toInt()
             if (q > bitrate) {
                 bitrate = q
-                index = i
+                audioUrl = it.url.toString()
             }
         }
-        return audios[index].url!!
+        return audioUrl
     }
 
     // get the system default caption style

app/src/main/res/drawable/ic_aspect_ratio.xml

@@ -2,10 +2,9 @@
     android:width="24dp"
     android:height="24dp"
     android:tint="@android:color/white"
-    android:viewportWidth="24"
+    android:viewportWidth="48"
-    android:viewportHeight="24">
+    android:viewportHeight="48">
     <path
         android:fillColor="#FF000000"
-      android:pathData="m20.403,1.197c1.918,0 3.486,1.499 3.595,3.39l0.006,0.212v14.405c0,1.918 -1.499,3.486 -3.39,3.595l-0.212,0.006L3.597,22.803c-1.918,0 -3.486,-1.499 -3.595,-3.39l-0.006,-0.212L-0.004,4.798c0,-1.918 1.499,-3.486 3.39,-3.595l0.212,-0.006zM20.403,3.597L3.597,3.597c-0.616,0 -1.123,0.463 -1.192,1.06l-0.008,0.14v14.405c0,0.616 0.463,1.123 1.06,1.192l0.14,0.008L20.403,20.403c0.616,0 1.123,-0.463 1.192,-1.06l0.008,-0.14L21.603,4.798c0,-0.616 -0.463,-1.123 -1.06,-1.192zM18.002,12c0.616,0 1.123,0.463 1.192,1.06l0.008,0.14v3.601c0,0.616 -0.463,1.123 -1.06,1.192l-0.14,0.008h-3.601c-0.663,0 -1.2,-0.537 -1.2,-1.2 0,-0.616 0.463,-1.123 1.06,-1.192l0.14,-0.008h2.401v-2.401c0,-0.616 0.463,-1.123 1.06,-1.192zM9.599,5.998c0.663,0 1.2,0.537 1.2,1.2 0,0.616 -0.463,1.123 -1.06,1.192L9.599,8.399L7.198,8.399v2.401c0,0.616 -0.463,1.123 -1.06,1.192l-0.14,0.008c-0.616,0 -1.123,-0.463 -1.192,-1.06l-0.008,-0.14L4.798,7.198c0,-0.616 0.463,-1.123 1.06,-1.192L5.998,5.998Z"
+        android:pathData="m28.58,33.834h9.207v-9.352h-2.892v6.46L28.58,30.942ZM10.261,23.518h2.892v-6.46h6.315L19.469,14.166L10.261,14.166ZM7.706,39.715q-1.302,0 -2.29,-0.988Q4.428,37.739 4.428,36.437L4.428,11.563q0,-1.35 0.988,-2.314Q6.405,8.285 7.706,8.285L40.294,8.285q1.35,0 2.314,0.964 0.964,0.964 0.964,2.314v24.874q0,1.302 -0.964,2.29 -0.964,0.988 -2.314,0.988zM7.706,36.437L40.294,36.437L40.294,11.563L7.706,11.563ZM7.706,36.437L7.706,11.563Z" />
-      android:strokeWidth="1"/>
 </vector>

app/src/main/res/drawable/ic_caption_outlined.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?android:attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19.5,5.5v13h-15v-13h15zM19,4L5,4c-1.11,0 -2,0.9 -2,2v12c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,6c0,-1.1 -0.9,-2 -2,-2zM11,11L9.5,11v-0.5h-2v3h2L9.5,13L11,13v1c0,0.55 -0.45,1 -1,1L7,15c-0.55,0 -1,-0.45 -1,-1v-4c0,-0.55 0.45,-1 1,-1h3c0.55,0 1,0.45 1,1v1zM18,11h-1.5v-0.5h-2v3h2L16.5,13L18,13v1c0,0.55 -0.45,1 -1,1h-3c-0.55,0 -1,-0.45 -1,-1v-4c0,-0.55 0.45,-1 1,-1h3c0.55,0 1,0.45 1,1v1z" />
+</vector>

app/src/main/res/layout/exo_styled_player_control_view.xml

@@ -96,8 +96,10 @@
             android:visibility="gone">
 
             <ImageButton
-                android:id="@id/exo_subtitle"
+                android:id="@+id/captions"
-                style="@style/PlayerControlBottom" />
+                style="@style/PlayerControlTop"
+                android:src="@drawable/ic_caption_outlined"
+                app:tint="@android:color/darker_gray" />
 
             <ImageButton
                 android:id="@+id/repeat_toggle"

app/src/main/res/values/array.xml

@@ -581,7 +581,7 @@
         <item>144p</item>
     </string-array>
     <string-array name="defresValue">
-        <item>hls</item>
+        <item></item>
         <item>1080p</item>
         <item>720p</item>
         <item>480p</item>

app/src/main/res/values/strings.xml

@@ -250,4 +250,6 @@
     <string name="watch_positions_title">Watch positions</string>
     <string name="reset_watch_positions">Reset watch positions</string>
     <string name="system_caption_style">System caption style</string>
+    <string name="captions">Captions</string>
+    <string name="none">None</string>
 </resources>

app/src/main/res/xml/player_settings.xml

@@ -6,10 +6,10 @@
 
         <ListPreference
             android:icon="@drawable/ic_hd"
-            app:defaultValue="hls"
+            app:defaultValue=""
             app:entries="@array/defres"
             app:entryValues="@array/defresValue"
-            app:key="default_resolution"
+            app:key="default_res"
             app:title="@string/defres"
             app:useSimpleSummaryProvider="true" />