Playback speed feature implemented

app/src/main/java/net/schueller/peertube/activity/VideoPlayActivity.java

@@ -20,6 +20,7 @@ import android.view.Surface;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
+import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
@@ -230,6 +231,12 @@ public class VideoPlayActivity extends AppCompatActivity implements VideoRendere
                 ImageView avatarView = findViewById(R.id.avatar);
                 ImageButton moreButton = findViewById(R.id.moreButton);
 
+                //Playback speed buttons
+                Button speed05 = findViewById(R.id.speed05);
+                Button speed10 = findViewById(R.id.speed10);
+                Button speed15 = findViewById(R.id.speed15);
+                Button speed20 = findViewById(R.id.speed20);
+
                 Video video = response.body();
 
                 mService.setCurrentVideo(video);
@@ -277,6 +284,41 @@ public class VideoPlayActivity extends AppCompatActivity implements VideoRendere
 
                 mService.setCurrentStreamUrl(video.getFiles().get(0).getFileUrl());
 
+                //Playback speed controls
+                speed05.setOnClickListener(view -> {
+                    mService.setPlayBackSpeed(0.5f);
+                    speed05.setTextColor(getResources().getColor(R.color.colorPrimary));
+
+                    speed10.setTextColor(getResources().getColor(R.color.black));
+                    speed15.setTextColor(getResources().getColor(R.color.black));
+                    speed20.setTextColor(getResources().getColor(R.color.black));
+
+                });
+                speed10.setOnClickListener(view -> {
+                    mService.setPlayBackSpeed(1.0f);
+                    speed10.setTextColor(getResources().getColor(R.color.colorPrimary));
+
+                    speed05.setTextColor(getResources().getColor(R.color.black));
+                    speed15.setTextColor(getResources().getColor(R.color.black));
+                    speed20.setTextColor(getResources().getColor(R.color.black));
+                });
+                speed15.setOnClickListener(view -> {
+                    mService.setPlayBackSpeed(1.5f);
+                    speed15.setTextColor(getResources().getColor(R.color.colorPrimary));
+
+                    speed05.setTextColor(getResources().getColor(R.color.black));
+                    speed10.setTextColor(getResources().getColor(R.color.black));
+                    speed20.setTextColor(getResources().getColor(R.color.black));
+                });
+                speed20.setOnClickListener(view -> {
+                    mService.setPlayBackSpeed(2.0f);
+                    speed20.setTextColor(getResources().getColor(R.color.colorPrimary));
+
+                    speed05.setTextColor(getResources().getColor(R.color.black));
+                    speed10.setTextColor(getResources().getColor(R.color.black));
+                    speed15.setTextColor(getResources().getColor(R.color.black));
+                });
+
                 SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
                 if (sharedPref.getBoolean("pref_torrent_player", false)) {
 

app/src/main/java/net/schueller/peertube/service/VideoPlayerService.java

@@ -16,6 +16,7 @@ import android.support.annotation.Nullable;
 import android.util.Log;
 
 import com.google.android.exoplayer2.ExoPlayerFactory;
+import com.google.android.exoplayer2.PlaybackParameters;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.source.ExtractorMediaSource;
@@ -123,8 +124,14 @@ public class VideoPlayerService extends Service {
         currentStreamUrl = streamUrl;
     }
 
-    public void playVideo()
+    //Playback speed control
-    {
+    public void setPlayBackSpeed(float speed) {
+
+        Log.v("VideoPlayerService", "setPlayBackSpeed...");
+        player.setPlaybackParameters(new PlaybackParameters(speed));
+    }
+
+    public void playVideo() {
         Context context = this;
 
         Log.v("VideoPlayerService", "playVideo...");
@@ -143,6 +150,9 @@ public class VideoPlayerService extends Service {
         // Auto play
         player.setPlayWhenReady(true);
 
+        //reset playback speed
+        this.setPlayBackSpeed(1.0f);
+
         playerNotificationManager = PlayerNotificationManager.createWithNotificationChannel(
                 context, PLAYBACK_CHANNEL_ID, R.string.playback_channel_name,
                 PLAYBACK_NOTIFICATION_ID,

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

@@ -108,6 +108,51 @@
                 android:layout_marginEnd="12dp"
                 android:textAppearance="@style/Base.TextAppearance.AppCompat.Body1" />
 
+            <TextView
+                android:id="@+id/playback_speed_label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@id/description"
+                android:text="Playback Speed"
+                android:layout_marginTop="16dp"/>
+
+            <Button
+                android:id="@+id/speed05"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/playback_speed_label"
+                android:text="0.5x"
+                android:textAllCaps="false"/>
+
+            <Button
+                android:id="@+id/speed10"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/playback_speed_label"
+                android:layout_toRightOf="@id/speed05"
+                android:text="1.0x"
+                android:textAllCaps="false"
+                android:textColor="@color/colorPrimary"
+                />
+
+            <Button
+                android:id="@+id/speed15"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/playback_speed_label"
+                android:layout_toRightOf="@id/speed10"
+                android:text="1.5x"
+                android:textAllCaps="false"/>
+
+            <Button
+                android:id="@+id/speed20"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/playback_speed_label"
+                android:layout_toRightOf="@id/speed15"
+                android:text="2.0x"
+                android:textAllCaps="false"/>
+
         </RelativeLayout>