Save and restore playback parameters into/from preferences

Playback parameters are speed, pitch and skip silence.
Remove parameters being passed on as intent to the player, since the parameters can be restored from the preferences instead.

# Conflicts:
#	app/src/main/java/org/schabi/newpipe/player/BasePlayer.java

app/src/main/java/org/schabi/newpipe/player/BasePlayer.java

@@ -118,12 +118,6 @@ public abstract class BasePlayer implements
     @NonNull
     public static final String REPEAT_MODE = "repeat_mode";
     @NonNull
-    public static final String PLAYBACK_PITCH = "playback_pitch";
-    @NonNull
-    public static final String PLAYBACK_SPEED = "playback_speed";
-    @NonNull
-    public static final String PLAYBACK_SKIP_SILENCE = "playback_skip_silence";
-    @NonNull
     public static final String PLAYBACK_QUALITY = "playback_quality";
     @NonNull
     public static final String PLAY_QUEUE_KEY = "play_queue_key";
@@ -287,11 +281,12 @@ public abstract class BasePlayer implements
             return;
         }
 
+        final PlaybackParameters savedParameters = retrievePlaybackParametersFromPreferences();
+        final float playbackSpeed = savedParameters.speed;
+        final float playbackPitch = savedParameters.pitch;
+        final boolean playbackSkipSilence = savedParameters.skipSilence;
+
         final int repeatMode = intent.getIntExtra(REPEAT_MODE, getRepeatMode());
-        final float playbackSpeed = intent.getFloatExtra(PLAYBACK_SPEED, getPlaybackSpeed());
-        final float playbackPitch = intent.getFloatExtra(PLAYBACK_PITCH, getPlaybackPitch());
-        final boolean playbackSkipSilence = intent.getBooleanExtra(PLAYBACK_SKIP_SILENCE,
-                getPlaybackSkipSilence());
         final boolean isMuted = intent
                 .getBooleanExtra(IS_MUTED, simpleExoPlayer != null && isMuted());
 
@@ -330,6 +325,20 @@ public abstract class BasePlayer implements
                 /*playOnInit=*/!intent.getBooleanExtra(START_PAUSED, false), isMuted);
     }
 
+    private PlaybackParameters retrievePlaybackParametersFromPreferences() {
+        final SharedPreferences preferences =
+                PreferenceManager.getDefaultSharedPreferences(context);
+
+        final float speed = preferences
+            .getFloat(context.getString(R.string.playback_speed_key), getPlaybackSpeed());
+        final float pitch = preferences.getFloat(context.getString(R.string.playback_pitch_key),
+            getPlaybackPitch());
+        final boolean skipSilence = preferences
+            .getBoolean(context.getString(R.string.playback_skip_silence_key),
+                getPlaybackSkipSilence());
+        return new PlaybackParameters(speed, pitch, skipSilence);
+    }
+
     protected void initPlayback(@NonNull final PlayQueue queue,
                                 @Player.RepeatMode final int repeatMode,
                                 final float playbackSpeed,
@@ -1470,9 +1479,20 @@ public abstract class BasePlayer implements
 
     public void setPlaybackParameters(final float speed, final float pitch,
                                       final boolean skipSilence) {
+        savePlaybackParametersToPreferences(speed, pitch, skipSilence);
         simpleExoPlayer.setPlaybackParameters(new PlaybackParameters(speed, pitch, skipSilence));
     }
 
+    private void savePlaybackParametersToPreferences(final float speed, final float pitch,
+                                                     final boolean skipSilence) {
+        PreferenceManager.getDefaultSharedPreferences(context)
+            .edit()
+            .putFloat(context.getString(R.string.playback_speed_key), speed)
+            .putFloat(context.getString(R.string.playback_pitch_key), pitch)
+            .putBoolean(context.getString(R.string.playback_skip_silence_key), skipSilence)
+            .apply();
+    }
+
     public PlayQueue getPlayQueue() {
         return playQueue;
     }

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -120,9 +120,6 @@ public final class NavigationHelper {
                                          final boolean isMuted) {
         return getPlayerIntent(context, targetClazz, playQueue, playbackQuality, resumePlayback)
                 .putExtra(BasePlayer.REPEAT_MODE, repeatMode)
-                .putExtra(BasePlayer.PLAYBACK_SPEED, playbackSpeed)
-                .putExtra(BasePlayer.PLAYBACK_PITCH, playbackPitch)
-                .putExtra(BasePlayer.PLAYBACK_SKIP_SILENCE, playbackSkipSilence)
                 .putExtra(BasePlayer.START_PAUSED, startPaused)
                 .putExtra(BasePlayer.IS_MUTED, isMuted);
     }

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

@@ -177,6 +177,9 @@
     <string name="enable_playback_resume_key" translatable="false">enable_playback_resume</string>
     <string name="enable_playback_state_lists_key" translatable="false">enable_playback_state_lists</string>
     <string name="playback_unhook_key" translatable="false">playback_unhook_key</string>
+    <string name="playback_speed_key" translatable="false">playback_speed_key</string>
+    <string name="playback_pitch_key" translatable="false">playback_pitch_key</string>
+    <string name="playback_skip_silence_key" translatable="false">playback_skip_silence_key</string>
 
     <string name="app_language_key" translatable="false">app_language_key</string>
     <string name="enable_lock_screen_video_thumbnail_key" translatable="false">enable_lock_screen_video_thumbnail</string>