Let SimpleExoPlayerView/LeanbackPlayerAdapter bind with any Player

Also sanitize naming (PlayerView/PlayerControlView).

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=182364487

RELEASENOTES.md

@@ -6,6 +6,10 @@
   `SimpleExoPlayerView` is configured to use `TextureView`
   ([#91](https://github.com/google/ExoPlayer/issues/91)).
 * Player interface:
+  * Add `Player.VideoComponent`, `Player.TextComponent` and
+    `Player.MetadataComponent` interfaces that define optional video, text and
+    metadata output functionality. New `getVideoComponent`, `getTextComponent`
+    and `getMetadataComponent` methods provide access to this functionality.
   * Add optional parameter to `stop` to reset the player when stopping.
   * Add a reason to `EventListener.onTimelineChanged` to distinguish between
     initial preparation, reset and dynamic updates.
@@ -17,6 +21,10 @@
     more customization of the message. Now supports setting a message delivery
     playback position and/or a delivery handler.
     ([#2189](https://github.com/google/ExoPlayer/issues/2189)).
+* UI components:
+  * Generalized player and control views to allow them to bind with any
+    `Player`, and renamed them to `PlayerView` and `PlayerControlView`
+    respectively.
 * Buffering:
   * Allow a back-buffer of media to be retained behind the current playback
     position, for fast backward seeking. The back-buffer can be configured by

demos/cast/src/main/java/com/google/android/exoplayer2/castdemo/MainActivity.java

@@ -39,8 +39,8 @@ import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.castdemo.DemoUtil.Sample;
 import com.google.android.exoplayer2.ext.cast.CastPlayer;
-import com.google.android.exoplayer2.ui.PlaybackControlView;
-import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
+import com.google.android.exoplayer2.ui.PlayerControlView;
+import com.google.android.exoplayer2.ui.PlayerView;
 import com.google.android.gms.cast.framework.CastButtonFactory;
 import com.google.android.gms.cast.framework.CastContext;
 
@@ -50,8 +50,8 @@ import com.google.android.gms.cast.framework.CastContext;
 public class MainActivity extends AppCompatActivity implements OnClickListener,
     PlayerManager.QueuePositionListener {
 
-  private SimpleExoPlayerView simpleExoPlayerView;
-  private PlaybackControlView castControlView;
+  private PlayerView localPlayerView;
+  private PlayerControlView castControlView;
   private PlayerManager playerManager;
   private MediaQueueAdapter listAdapter;
   private CastContext castContext;
@@ -66,8 +66,8 @@ public class MainActivity extends AppCompatActivity implements OnClickListener,
 
     setContentView(R.layout.main_activity);
 
-    simpleExoPlayerView = findViewById(R.id.player_view);
-    simpleExoPlayerView.requestFocus();
+    localPlayerView = findViewById(R.id.local_player_view);
+    localPlayerView.requestFocus();
 
     castControlView = findViewById(R.id.cast_control_view);
 
@@ -93,8 +93,13 @@ public class MainActivity extends AppCompatActivity implements OnClickListener,
   @Override
   public void onResume() {
     super.onResume();
-    playerManager = PlayerManager.createPlayerManager(this, simpleExoPlayerView, castControlView,
-        this, castContext);
+    playerManager =
+        PlayerManager.createPlayerManager(
+            /* queuePositionListener= */ this,
+            localPlayerView,
+            castControlView,
+            /* context= */ this,
+            castContext);
   }
 
   @Override

demos/cast/src/main/java/com/google/android/exoplayer2/castdemo/PlayerManager.java

@@ -40,8 +40,8 @@ import com.google.android.exoplayer2.source.hls.HlsMediaSource;
 import com.google.android.exoplayer2.source.smoothstreaming.DefaultSsChunkSource;
 import com.google.android.exoplayer2.source.smoothstreaming.SsMediaSource;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
-import com.google.android.exoplayer2.ui.PlaybackControlView;
-import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
+import com.google.android.exoplayer2.ui.PlayerControlView;
+import com.google.android.exoplayer2.ui.PlayerView;
 import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
 import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
 import com.google.android.gms.cast.MediaInfo;
@@ -73,12 +73,12 @@ import java.util.ArrayList;
   private static final DefaultHttpDataSourceFactory DATA_SOURCE_FACTORY =
       new DefaultHttpDataSourceFactory(USER_AGENT, BANDWIDTH_METER);
 
-  private final SimpleExoPlayerView exoPlayerView;
-  private final PlaybackControlView castControlView;
+  private final PlayerView localPlayerView;
+  private final PlayerControlView castControlView;
   private final SimpleExoPlayer exoPlayer;
   private final CastPlayer castPlayer;
   private final ArrayList<DemoUtil.Sample> mediaQueue;
-  private final QueuePositionListener listener;
+  private final QueuePositionListener queuePositionListener;
 
   private DynamicConcatenatingMediaSource dynamicConcatenatingMediaSource;
   private boolean castMediaQueueCreationPending;
@@ -86,25 +86,33 @@ import java.util.ArrayList;
   private Player currentPlayer;
 
   /**
-   * @param listener A {@link QueuePositionListener} for queue position changes.
-   * @param exoPlayerView The {@link SimpleExoPlayerView} for local playback.
-   * @param castControlView The {@link PlaybackControlView} to control remote playback.
+   * @param queuePositionListener A {@link QueuePositionListener} for queue position changes.
+   * @param localPlayerView The {@link PlayerView} for local playback.
+   * @param castControlView The {@link PlayerControlView} to control remote playback.
    * @param context A {@link Context}.
    * @param castContext The {@link CastContext}.
    */
-  public static PlayerManager createPlayerManager(QueuePositionListener listener,
-      SimpleExoPlayerView exoPlayerView, PlaybackControlView castControlView, Context context,
+  public static PlayerManager createPlayerManager(
+      QueuePositionListener queuePositionListener,
+      PlayerView localPlayerView,
+      PlayerControlView castControlView,
+      Context context,
       CastContext castContext) {
-    PlayerManager playerManager = new PlayerManager(listener, exoPlayerView, castControlView,
-        context, castContext);
+    PlayerManager playerManager =
+        new PlayerManager(
+            queuePositionListener, localPlayerView, castControlView, context, castContext);
     playerManager.init();
     return playerManager;
   }
 
-  private PlayerManager(QueuePositionListener listener, SimpleExoPlayerView exoPlayerView,
-      PlaybackControlView castControlView, Context context, CastContext castContext) {
-    this.listener = listener;
-    this.exoPlayerView = exoPlayerView;
+  private PlayerManager(
+      QueuePositionListener queuePositionListener,
+      PlayerView localPlayerView,
+      PlayerControlView castControlView,
+      Context context,
+      CastContext castContext) {
+    this.queuePositionListener = queuePositionListener;
+    this.localPlayerView = localPlayerView;
     this.castControlView = castControlView;
     mediaQueue = new ArrayList<>();
     currentItemIndex = C.INDEX_UNSET;
@@ -113,7 +121,7 @@ import java.util.ArrayList;
     RenderersFactory renderersFactory = new DefaultRenderersFactory(context, null);
     exoPlayer = ExoPlayerFactory.newSimpleInstance(renderersFactory, trackSelector);
     exoPlayer.addListener(this);
-    exoPlayerView.setPlayer(exoPlayer);
+    localPlayerView.setPlayer(exoPlayer);
 
     castPlayer = new CastPlayer(castContext);
     castPlayer.addListener(this);
@@ -242,7 +250,7 @@ import java.util.ArrayList;
    */
   public boolean dispatchKeyEvent(KeyEvent event) {
     if (currentPlayer == exoPlayer) {
-      return exoPlayerView.dispatchKeyEvent(event);
+      return localPlayerView.dispatchKeyEvent(event);
     } else /* currentPlayer == castPlayer */ {
       return castControlView.dispatchKeyEvent(event);
     }
@@ -256,7 +264,7 @@ import java.util.ArrayList;
     mediaQueue.clear();
     castPlayer.setSessionAvailabilityListener(null);
     castPlayer.release();
-    exoPlayerView.setPlayer(null);
+    localPlayerView.setPlayer(null);
     exoPlayer.release();
   }
 
@@ -309,10 +317,10 @@ import java.util.ArrayList;
 
     // View management.
     if (currentPlayer == exoPlayer) {
-      exoPlayerView.setVisibility(View.VISIBLE);
+      localPlayerView.setVisibility(View.VISIBLE);
       castControlView.hide();
     } else /* currentPlayer == castPlayer */ {
-      exoPlayerView.setVisibility(View.GONE);
+      localPlayerView.setVisibility(View.GONE);
       castControlView.show();
     }
 
@@ -380,7 +388,7 @@ import java.util.ArrayList;
     if (this.currentItemIndex != currentItemIndex) {
       int oldIndex = this.currentItemIndex;
       this.currentItemIndex = currentItemIndex;
-      listener.onQueuePositionChanged(oldIndex, currentItemIndex);
+      queuePositionListener.onQueuePositionChanged(oldIndex, currentItemIndex);
     }
   }
 

demos/cast/src/main/res/layout/main_activity.xml

@@ -19,7 +19,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:keepScreenOn="true">
-  <com.google.android.exoplayer2.ui.SimpleExoPlayerView android:id="@+id/player_view"
+  <com.google.android.exoplayer2.ui.PlayerView android:id="@+id/local_player_view"
       android:layout_width="match_parent"
       android:layout_height="0dp"
       android:layout_weight="12"
@@ -42,7 +42,7 @@
         android:layout_alignParentBottom="true"
         android:padding="30dp"/>
   </RelativeLayout>
-  <com.google.android.exoplayer2.ui.PlaybackControlView android:id="@+id/cast_control_view"
+  <com.google.android.exoplayer2.ui.PlayerControlView android:id="@+id/cast_control_view"
       android:layout_width="match_parent"
       android:layout_height="0dp"
       android:layout_weight="2"

demos/ima/src/main/java/com/google/android/exoplayer2/imademo/MainActivity.java

@@ -18,7 +18,7 @@ package com.google.android.exoplayer2.imademo;
 import android.app.Activity;
 import android.os.Bundle;
 import com.google.android.exoplayer2.ExoPlayer;
-import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
+import com.google.android.exoplayer2.ui.PlayerView;
 
 /**
  * Main Activity for the IMA plugin demo. {@link ExoPlayer} objects are created by
@@ -26,7 +26,7 @@ import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
  */
 public final class MainActivity extends Activity {
 
-  private SimpleExoPlayerView playerView;
+  private PlayerView playerView;
   private PlayerManager player;
 
   @Override

demos/ima/src/main/java/com/google/android/exoplayer2/imademo/PlayerManager.java

@@ -38,7 +38,7 @@ import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.TrackSelection;
 import com.google.android.exoplayer2.trackselection.TrackSelector;
-import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
+import com.google.android.exoplayer2.ui.PlayerView;
 import com.google.android.exoplayer2.upstream.BandwidthMeter;
 import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
@@ -68,7 +68,7 @@ import com.google.android.exoplayer2.util.Util;
             new DefaultBandwidthMeter());
   }
 
-  public void init(Context context, SimpleExoPlayerView simpleExoPlayerView) {
+  public void init(Context context, PlayerView playerView) {
     // Create a default track selector.
     BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
     TrackSelection.Factory videoTrackSelectionFactory =
@@ -79,7 +79,7 @@ import com.google.android.exoplayer2.util.Util;
     player = ExoPlayerFactory.newSimpleInstance(context, trackSelector);
 
     // Bind the player to the view.
-    simpleExoPlayerView.setPlayer(player);
+    playerView.setPlayer(player);
 
     // This is the MediaSource representing the content media (i.e. not the ad).
     String contentUrl = context.getString(R.string.content_url);
@@ -92,7 +92,7 @@ import com.google.android.exoplayer2.util.Util;
             contentMediaSource,
             /* adMediaSourceFactory= */ this,
             adsLoader,
-            simpleExoPlayerView.getOverlayFrameLayout(),
+            playerView.getOverlayFrameLayout(),
             /* eventHandler= */ null,
             /* eventListener= */ null);
 

demos/ima/src/main/res/layout/main_activity.xml

@@ -13,7 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.google.android.exoplayer2.ui.SimpleExoPlayerView
+<com.google.android.exoplayer2.ui.PlayerView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/player_view"
     android:layout_width="match_parent"

demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java

@@ -68,8 +68,8 @@ import com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedT
 import com.google.android.exoplayer2.trackselection.TrackSelection;
 import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
 import com.google.android.exoplayer2.ui.DebugTextViewHelper;
-import com.google.android.exoplayer2.ui.PlaybackControlView;
-import com.google.android.exoplayer2.ui.SimpleExoPlayerView;
+import com.google.android.exoplayer2.ui.PlayerControlView;
+import com.google.android.exoplayer2.ui.PlayerView;
 import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
 import com.google.android.exoplayer2.upstream.HttpDataSource;
@@ -79,11 +79,9 @@ import java.net.CookieManager;
 import java.net.CookiePolicy;
 import java.util.UUID;
 
-/**
- * An activity that plays media using {@link SimpleExoPlayer}.
- */
-public class PlayerActivity extends Activity implements OnClickListener,
-    PlaybackControlView.VisibilityListener {
+/** An activity that plays media using {@link SimpleExoPlayer}. */
+public class PlayerActivity extends Activity
+    implements OnClickListener, PlayerControlView.VisibilityListener {
 
   public static final String DRM_SCHEME_EXTRA = "drm_scheme";
   public static final String DRM_LICENSE_URL = "drm_license_url";
@@ -112,7 +110,7 @@ public class PlayerActivity extends Activity implements OnClickListener,
 
   private Handler mainHandler;
   private EventLogger eventLogger;
-  private SimpleExoPlayerView simpleExoPlayerView;
+  private PlayerView playerView;
   private LinearLayout debugRootView;
   private TextView debugTextView;
   private Button retryButton;
@@ -156,9 +154,9 @@ public class PlayerActivity extends Activity implements OnClickListener,
     retryButton = findViewById(R.id.retry_button);
     retryButton.setOnClickListener(this);
 
-    simpleExoPlayerView = findViewById(R.id.player_view);
-    simpleExoPlayerView.setControllerVisibilityListener(this);
-    simpleExoPlayerView.requestFocus();
+    playerView = findViewById(R.id.player_view);
+    playerView.setControllerVisibilityListener(this);
+    playerView.requestFocus();
   }
 
   @Override
@@ -223,7 +221,7 @@ public class PlayerActivity extends Activity implements OnClickListener,
   @Override
   public boolean dispatchKeyEvent(KeyEvent event) {
     // See whether the player view wants to handle media or DPAD keys events.
-    return simpleExoPlayerView.dispatchKeyEvent(event) || super.dispatchKeyEvent(event);
+    return playerView.dispatchKeyEvent(event) || super.dispatchKeyEvent(event);
   }
 
   // OnClickListener methods
@@ -303,7 +301,7 @@ public class PlayerActivity extends Activity implements OnClickListener,
       player.addAudioDebugListener(eventLogger);
       player.addVideoDebugListener(eventLogger);
 
-      simpleExoPlayerView.setPlayer(player);
+      playerView.setPlayer(player);
       player.setPlayWhenReady(shouldAutoPlay);
       debugViewHelper = new DebugTextViewHelper(player, debugTextView);
       debugViewHelper.start();
@@ -470,7 +468,7 @@ public class PlayerActivity extends Activity implements OnClickListener,
           .newInstance(this, adTagUri);
       adUiViewGroup = new FrameLayout(this);
       // The demo app has a non-null overlay frame layout.
-      simpleExoPlayerView.getOverlayFrameLayout().addView(adUiViewGroup);
+      playerView.getOverlayFrameLayout().addView(adUiViewGroup);
     }
     AdsMediaSource.MediaSourceFactory adMediaSourceFactory =
         new AdsMediaSource.MediaSourceFactory() {
@@ -495,7 +493,7 @@ public class PlayerActivity extends Activity implements OnClickListener,
       adsLoader.release();
       adsLoader = null;
       loadedAdTagUri = null;
-      simpleExoPlayerView.getOverlayFrameLayout().removeAllViews();
+      playerView.getOverlayFrameLayout().removeAllViews();
     }
   }
 

demos/main/src/main/res/layout/player_activity.xml

@@ -20,7 +20,7 @@
     android:layout_height="match_parent"
     android:keepScreenOn="true">
 
-  <com.google.android.exoplayer2.ui.SimpleExoPlayerView android:id="@+id/player_view"
+  <com.google.android.exoplayer2.ui.PlayerView android:id="@+id/player_view"
       android:layout_width="match_parent"
       android:layout_height="match_parent"/>
 

extensions/cast/README.md

@@ -27,7 +27,4 @@ locally. Instructions for doing this can be found in ExoPlayer's
 ## Using the extension ##
 
 Create a `CastPlayer` and use it to integrate Cast into your app using
-ExoPlayer's common Player interface. You can try the Cast Extension to see how a
-[PlaybackControlView][] can be used to control playback in a remote receiver app.
-
-[PlaybackControlView]: https://google.github.io/ExoPlayer/doc/reference/com/google/android/exoplayer2/ui/PlaybackControlView.html
+ExoPlayer's common `Player` interface.

extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastPlayer.java

@@ -280,6 +280,16 @@ public final class CastPlayer implements Player {
 
   // Player implementation.
 
+  @Override
+  public VideoComponent getVideoComponent() {
+    return null;
+  }
+
+  @Override
+  public TextComponent getTextComponent() {
+    return null;
+  }
+
   @Override
   public void addListener(EventListener listener) {
     listeners.add(listener);

extensions/leanback/src/main/java/com/google/android/exoplayer2/ext/leanback/LeanbackPlayerAdapter.java

@@ -33,13 +33,11 @@ import com.google.android.exoplayer2.ExoPlayerLibraryInfo;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.Player.DiscontinuityReason;
 import com.google.android.exoplayer2.Player.TimelineChangeReason;
-import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.util.ErrorMessageProvider;
+import com.google.android.exoplayer2.video.VideoListener;
 
-/**
- * Leanback {@code PlayerAdapter} implementation for {@link SimpleExoPlayer}.
- */
+/** Leanback {@code PlayerAdapter} implementation for {@link Player}. */
 public final class LeanbackPlayerAdapter extends PlayerAdapter {
 
   static {
@@ -47,7 +45,7 @@ public final class LeanbackPlayerAdapter extends PlayerAdapter {
   }
 
   private final Context context;
-  private final SimpleExoPlayer player;
+  private final Player player;
   private final Handler handler;
   private final ComponentListener componentListener;
   private final Runnable updateProgressRunnable;
@@ -60,14 +58,14 @@ public final class LeanbackPlayerAdapter extends PlayerAdapter {
 
   /**
    * Builds an instance. Note that the {@code PlayerAdapter} does not manage the lifecycle of the
-   * {@link SimpleExoPlayer} instance. The caller remains responsible for releasing the player when
-   * it's no longer required.
+   * {@link Player} instance. The caller remains responsible for releasing the player when it's no
+   * longer required.
    *
    * @param context The current context (activity).
    * @param player Instance of your exoplayer that needs to be configured.
    * @param updatePeriodMs The delay between player control updates, in milliseconds.
    */
-  public LeanbackPlayerAdapter(Context context, SimpleExoPlayer player, final int updatePeriodMs) {
+  public LeanbackPlayerAdapter(Context context, Player player, final int updatePeriodMs) {
     this.context = context;
     this.player = player;
     handler = new Handler();
@@ -115,13 +113,19 @@ public final class LeanbackPlayerAdapter extends PlayerAdapter {
     }
     notifyStateChanged();
     player.addListener(componentListener);
-    player.addVideoListener(componentListener);
+    Player.VideoComponent videoComponent = player.getVideoComponent();
+    if (videoComponent != null) {
+      videoComponent.addVideoListener(componentListener);
+    }
   }
 
   @Override
   public void onDetachedFromHost() {
     player.removeListener(componentListener);
-    player.removeVideoListener(componentListener);
+    Player.VideoComponent videoComponent = player.getVideoComponent();
+    if (videoComponent != null) {
+      videoComponent.removeVideoListener(componentListener);
+    }
     if (surfaceHolderGlueHost != null) {
       surfaceHolderGlueHost.setSurfaceHolderCallback(null);
       surfaceHolderGlueHost = null;
@@ -196,7 +200,10 @@ public final class LeanbackPlayerAdapter extends PlayerAdapter {
 
   /* package */ void setVideoSurface(Surface surface) {
     hasSurface = surface != null;
-    player.setVideoSurface(surface);
+    Player.VideoComponent videoComponent = player.getVideoComponent();
+    if (videoComponent != null) {
+      videoComponent.setVideoSurface(surface);
+    }
     maybeNotifyPreparedStateChanged(getCallback());
   }
 
@@ -219,8 +226,8 @@ public final class LeanbackPlayerAdapter extends PlayerAdapter {
     }
   }
 
-  private final class ComponentListener extends Player.DefaultEventListener implements
-      SimpleExoPlayer.VideoListener, SurfaceHolder.Callback {
+  private final class ComponentListener extends Player.DefaultEventListener
+      implements SurfaceHolder.Callback, VideoListener {
 
     // SurfaceHolder.Callback implementation.
 
@@ -274,11 +281,11 @@ public final class LeanbackPlayerAdapter extends PlayerAdapter {
       callback.onBufferedPositionChanged(LeanbackPlayerAdapter.this);
     }
 
-    // SimpleExoplayerView.Callback implementation.
+    // VideoListener implementation.
 
     @Override
-    public void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees,
-        float pixelWidthHeightRatio) {
+    public void onVideoSizeChanged(
+        int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio) {
       getCallback().onVideoSizeChanged(LeanbackPlayerAdapter.this, width, height);
     }
 

library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImpl.java

@@ -124,6 +124,16 @@ import java.util.concurrent.CopyOnWriteArraySet;
     internalPlayerHandler = new Handler(internalPlayer.getPlaybackLooper());
   }
 
+  @Override
+  public VideoComponent getVideoComponent() {
+    return null;
+  }
+
+  @Override
+  public TextComponent getTextComponent() {
+    return null;
+  }
+
   @Override
   public Looper getPlaybackLooper() {
     return internalPlayer.getPlaybackLooper();

library/core/src/main/java/com/google/android/exoplayer2/Player.java

@@ -18,8 +18,14 @@ package com.google.android.exoplayer2;
 import android.os.Looper;
 import android.support.annotation.IntDef;
 import android.support.annotation.Nullable;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.TextureView;
 import com.google.android.exoplayer2.source.TrackGroupArray;
+import com.google.android.exoplayer2.text.TextOutput;
 import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
+import com.google.android.exoplayer2.video.VideoListener;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
@@ -44,6 +50,130 @@ import java.lang.annotation.RetentionPolicy;
  */
 public interface Player {
 
+  /** The video component of a {@link Player}. */
+  interface VideoComponent {
+
+    /**
+     * Sets the video scaling mode.
+     *
+     * @param videoScalingMode The video scaling mode.
+     */
+    void setVideoScalingMode(@C.VideoScalingMode int videoScalingMode);
+
+    /** Returns the video scaling mode. */
+    @C.VideoScalingMode
+    int getVideoScalingMode();
+
+    /**
+     * Adds a listener to receive video events.
+     *
+     * @param listener The listener to register.
+     */
+    void addVideoListener(VideoListener listener);
+
+    /**
+     * Removes a listener of video events.
+     *
+     * @param listener The listener to unregister.
+     */
+    void removeVideoListener(VideoListener listener);
+
+    /**
+     * Clears any {@link Surface}, {@link SurfaceHolder}, {@link SurfaceView} or {@link TextureView}
+     * currently set on the player.
+     */
+    void clearVideoSurface();
+
+    /**
+     * Sets the {@link Surface} onto which video will be rendered. The caller is responsible for
+     * tracking the lifecycle of the surface, and must clear the surface by calling {@code
+     * setVideoSurface(null)} if the surface is destroyed.
+     *
+     * <p>If the surface is held by a {@link SurfaceView}, {@link TextureView} or {@link
+     * SurfaceHolder} then it's recommended to use {@link #setVideoSurfaceView(SurfaceView)}, {@link
+     * #setVideoTextureView(TextureView)} or {@link #setVideoSurfaceHolder(SurfaceHolder)} rather
+     * than this method, since passing the holder allows the player to track the lifecycle of the
+     * surface automatically.
+     *
+     * @param surface The {@link Surface}.
+     */
+    void setVideoSurface(Surface surface);
+
+    /**
+     * Clears the {@link Surface} onto which video is being rendered if it matches the one passed.
+     * Else does nothing.
+     *
+     * @param surface The surface to clear.
+     */
+    void clearVideoSurface(Surface surface);
+
+    /**
+     * Sets the {@link SurfaceHolder} that holds the {@link Surface} onto which video will be
+     * rendered. The player will track the lifecycle of the surface automatically.
+     *
+     * @param surfaceHolder The surface holder.
+     */
+    void setVideoSurfaceHolder(SurfaceHolder surfaceHolder);
+
+    /**
+     * Clears the {@link SurfaceHolder} that holds the {@link Surface} onto which video is being
+     * rendered if it matches the one passed. Else does nothing.
+     *
+     * @param surfaceHolder The surface holder to clear.
+     */
+    void clearVideoSurfaceHolder(SurfaceHolder surfaceHolder);
+
+    /**
+     * Sets the {@link SurfaceView} onto which video will be rendered. The player will track the
+     * lifecycle of the surface automatically.
+     *
+     * @param surfaceView The surface view.
+     */
+    void setVideoSurfaceView(SurfaceView surfaceView);
+
+    /**
+     * Clears the {@link SurfaceView} onto which video is being rendered if it matches the one
+     * passed. Else does nothing.
+     *
+     * @param surfaceView The texture view to clear.
+     */
+    void clearVideoSurfaceView(SurfaceView surfaceView);
+
+    /**
+     * Sets the {@link TextureView} onto which video will be rendered. The player will track the
+     * lifecycle of the surface automatically.
+     *
+     * @param textureView The texture view.
+     */
+    void setVideoTextureView(TextureView textureView);
+
+    /**
+     * Clears the {@link TextureView} onto which video is being rendered if it matches the one
+     * passed. Else does nothing.
+     *
+     * @param textureView The texture view to clear.
+     */
+    void clearVideoTextureView(TextureView textureView);
+  }
+
+  /** The text component of a {@link Player}. */
+  interface TextComponent {
+
+    /**
+     * Registers an output to receive text events.
+     *
+     * @param listener The output to register.
+     */
+    void addTextOutput(TextOutput listener);
+
+    /**
+     * Removes a text output.
+     *
+     * @param listener The output to remove.
+     */
+    void removeTextOutput(TextOutput listener);
+  }
+
   /**
    * Listener of changes in player state.
    */
@@ -298,6 +428,14 @@ public interface Player {
    */
   int TIMELINE_CHANGE_REASON_DYNAMIC = 2;
 
+  /** Returns the component of this player for video output, or null if video is not supported. */
+  @Nullable
+  VideoComponent getVideoComponent();
+
+  /** Returns the component of this player for text output, or null if text is not supported. */
+  @Nullable
+  TextComponent getTextComponent();
+
   /**
    * Register a listener to receive events from the player. The listener's methods will be called on
    * the thread that was used to construct the player. However, if the thread used to construct the

library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java

@@ -50,39 +50,11 @@ import java.util.concurrent.CopyOnWriteArraySet;
  * be obtained from {@link ExoPlayerFactory}.
  */
 @TargetApi(16)
-public class SimpleExoPlayer implements ExoPlayer {
+public class SimpleExoPlayer implements ExoPlayer, Player.VideoComponent, Player.TextComponent {
 
-  /**
-   * A listener for video rendering information from a {@link SimpleExoPlayer}.
-   */
-  public interface VideoListener {
-
-    /**
-     * Called each time there's a change in the size of the video being rendered.
-     *
-     * @param width The video width in pixels.
-     * @param height The video height in pixels.
-     * @param unappliedRotationDegrees For videos that require a rotation, this is the clockwise
-     *     rotation in degrees that the application should apply for the video for it to be rendered
-     *     in the correct orientation. This value will always be zero on API levels 21 and above,
-     *     since the renderer will apply all necessary rotations internally. On earlier API levels
-     *     this is not possible. Applications that use {@link android.view.TextureView} can apply
-     *     the rotation by calling {@link android.view.TextureView#setTransform}. Applications that
-     *     do not expect to encounter rotated videos can safely ignore this parameter.
-     * @param pixelWidthHeightRatio The width to height ratio of each pixel. For the normal case
-     *     of square pixels this will be equal to 1.0. Different values are indicative of anamorphic
-     *     content.
-     */
-    void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees,
-        float pixelWidthHeightRatio);
-
-    /**
-     * Called when a frame is rendered for the first time since setting the surface, and when a
-     * frame is rendered for the first time since a video track was selected.
-     */
-    void onRenderedFirstFrame();
-
-  }
+  /** @deprecated Use {@link com.google.android.exoplayer2.video.VideoListener}. */
+  @Deprecated
+  public interface VideoListener extends com.google.android.exoplayer2.video.VideoListener {}
 
   private static final String TAG = "SimpleExoPlayer";
 
@@ -90,7 +62,8 @@ public class SimpleExoPlayer implements ExoPlayer {
 
   private final ExoPlayer player;
   private final ComponentListener componentListener;
-  private final CopyOnWriteArraySet<VideoListener> videoListeners;
+  private final CopyOnWriteArraySet<com.google.android.exoplayer2.video.VideoListener>
+      videoListeners;
   private final CopyOnWriteArraySet<TextOutput> textOutputs;
   private final CopyOnWriteArraySet<MetadataOutput> metadataOutputs;
   private final CopyOnWriteArraySet<VideoRendererEventListener> videoDebugListeners;
@@ -154,14 +127,25 @@ public class SimpleExoPlayer implements ExoPlayer {
     player = createExoPlayerImpl(renderers, trackSelector, loadControl, clock);
   }
 
+  @Override
+  public VideoComponent getVideoComponent() {
+    return this;
+  }
+
+  @Override
+  public TextComponent getTextComponent() {
+    return this;
+  }
+
   /**
    * Sets the video scaling mode.
-   * <p>
-   * Note that the scaling mode only applies if a {@link MediaCodec}-based video {@link Renderer} is
-   * enabled and if the output surface is owned by a {@link android.view.SurfaceView}.
+   *
+   * <p>Note that the scaling mode only applies if a {@link MediaCodec}-based video {@link Renderer}
+   * is enabled and if the output surface is owned by a {@link android.view.SurfaceView}.
    *
    * @param videoScalingMode The video scaling mode.
    */
+  @Override
   public void setVideoScalingMode(@C.VideoScalingMode int videoScalingMode) {
     this.videoScalingMode = videoScalingMode;
     for (Renderer renderer : renderers) {
@@ -175,57 +159,30 @@ public class SimpleExoPlayer implements ExoPlayer {
     }
   }
 
-  /**
-   * Returns the video scaling mode.
-   */
+  @Override
   public @C.VideoScalingMode int getVideoScalingMode() {
     return videoScalingMode;
   }
 
-  /**
-   * Clears any {@link Surface}, {@link SurfaceHolder}, {@link SurfaceView} or {@link TextureView}
-   * currently set on the player.
-   */
+  @Override
   public void clearVideoSurface() {
     setVideoSurface(null);
   }
 
-  /**
-   * Sets the {@link Surface} onto which video will be rendered. The caller is responsible for
-   * tracking the lifecycle of the surface, and must clear the surface by calling
-   * {@code setVideoSurface(null)} if the surface is destroyed.
-   * <p>
-   * If the surface is held by a {@link SurfaceView}, {@link TextureView} or {@link SurfaceHolder}
-   * then it's recommended to use {@link #setVideoSurfaceView(SurfaceView)},
-   * {@link #setVideoTextureView(TextureView)} or {@link #setVideoSurfaceHolder(SurfaceHolder)}
-   * rather than this method, since passing the holder allows the player to track the lifecycle of
-   * the surface automatically.
-   *
-   * @param surface The {@link Surface}.
-   */
+  @Override
   public void setVideoSurface(Surface surface) {
     removeSurfaceCallbacks();
     setVideoSurfaceInternal(surface, false);
   }
 
-  /**
-   * Clears the {@link Surface} onto which video is being rendered if it matches the one passed.
-   * Else does nothing.
-   *
-   * @param surface The surface to clear.
-   */
+  @Override
   public void clearVideoSurface(Surface surface) {
     if (surface != null && surface == this.surface) {
       setVideoSurface(null);
     }
   }
 
-  /**
-   * Sets the {@link SurfaceHolder} that holds the {@link Surface} onto which video will be
-   * rendered. The player will track the lifecycle of the surface automatically.
-   *
-   * @param surfaceHolder The surface holder.
-   */
+  @Override
   public void setVideoSurfaceHolder(SurfaceHolder surfaceHolder) {
     removeSurfaceCallbacks();
     this.surfaceHolder = surfaceHolder;
@@ -238,44 +195,24 @@ public class SimpleExoPlayer implements ExoPlayer {
     }
   }
 
-  /**
-   * Clears the {@link SurfaceHolder} that holds the {@link Surface} onto which video is being
-   * rendered if it matches the one passed. Else does nothing.
-   *
-   * @param surfaceHolder The surface holder to clear.
-   */
+  @Override
   public void clearVideoSurfaceHolder(SurfaceHolder surfaceHolder) {
     if (surfaceHolder != null && surfaceHolder == this.surfaceHolder) {
       setVideoSurfaceHolder(null);
     }
   }
 
-  /**
-   * Sets the {@link SurfaceView} onto which video will be rendered. The player will track the
-   * lifecycle of the surface automatically.
-   *
-   * @param surfaceView The surface view.
-   */
+  @Override
   public void setVideoSurfaceView(SurfaceView surfaceView) {
     setVideoSurfaceHolder(surfaceView == null ? null : surfaceView.getHolder());
   }
 
-  /**
-   * Clears the {@link SurfaceView} onto which video is being rendered if it matches the one passed.
-   * Else does nothing.
-   *
-   * @param surfaceView The texture view to clear.
-   */
+  @Override
   public void clearVideoSurfaceView(SurfaceView surfaceView) {
     clearVideoSurfaceHolder(surfaceView == null ? null : surfaceView.getHolder());
   }
 
-  /**
-   * Sets the {@link TextureView} onto which video will be rendered. The player will track the
-   * lifecycle of the surface automatically.
-   *
-   * @param textureView The texture view.
-   */
+  @Override
   public void setVideoTextureView(TextureView textureView) {
     removeSurfaceCallbacks();
     this.textureView = textureView;
@@ -292,12 +229,7 @@ public class SimpleExoPlayer implements ExoPlayer {
     }
   }
 
-  /**
-   * Clears the {@link TextureView} onto which video is being rendered if it matches the one passed.
-   * Else does nothing.
-   *
-   * @param textureView The texture view to clear.
-   */
+  @Override
   public void clearVideoTextureView(TextureView textureView) {
     if (textureView != null && textureView == this.textureView) {
       setVideoTextureView(null);
@@ -446,21 +378,13 @@ public class SimpleExoPlayer implements ExoPlayer {
     return audioDecoderCounters;
   }
 
-  /**
-   * Adds a listener to receive video events.
-   *
-   * @param listener The listener to register.
-   */
-  public void addVideoListener(VideoListener listener) {
+  @Override
+  public void addVideoListener(com.google.android.exoplayer2.video.VideoListener listener) {
     videoListeners.add(listener);
   }
 
-  /**
-   * Removes a listener of video events.
-   *
-   * @param listener The listener to unregister.
-   */
-  public void removeVideoListener(VideoListener listener) {
+  @Override
+  public void removeVideoListener(com.google.android.exoplayer2.video.VideoListener listener) {
     videoListeners.remove(listener);
   }
 
@@ -468,7 +392,7 @@ public class SimpleExoPlayer implements ExoPlayer {
    * Sets a listener to receive video events, removing all existing listeners.
    *
    * @param listener The listener.
-   * @deprecated Use {@link #addVideoListener(VideoListener)}.
+   * @deprecated Use {@link #addVideoListener(com.google.android.exoplayer2.video.VideoListener)}.
    */
   @Deprecated
   public void setVideoListener(VideoListener listener) {
@@ -479,30 +403,23 @@ public class SimpleExoPlayer implements ExoPlayer {
   }
 
   /**
-   * Equivalent to {@link #removeVideoListener(VideoListener)}.
+   * Equivalent to {@link #removeVideoListener(com.google.android.exoplayer2.video.VideoListener)}.
    *
    * @param listener The listener to clear.
-   * @deprecated Use {@link #removeVideoListener(VideoListener)}.
+   * @deprecated Use {@link
+   *     #removeVideoListener(com.google.android.exoplayer2.video.VideoListener)}.
    */
   @Deprecated
   public void clearVideoListener(VideoListener listener) {
     removeVideoListener(listener);
   }
 
-  /**
-   * Registers an output to receive text events.
-   *
-   * @param listener The output to register.
-   */
+  @Override
   public void addTextOutput(TextOutput listener) {
     textOutputs.add(listener);
   }
 
-  /**
-   * Removes a text output.
-   *
-   * @param listener The output to remove.
-   */
+  @Override
   public void removeTextOutput(TextOutput listener) {
     textOutputs.remove(listener);
   }
@@ -532,20 +449,10 @@ public class SimpleExoPlayer implements ExoPlayer {
     removeTextOutput(output);
   }
 
-  /**
-   * Registers an output to receive metadata events.
-   *
-   * @param listener The output to register.
-   */
   public void addMetadataOutput(MetadataOutput listener) {
     metadataOutputs.add(listener);
   }
 
-  /**
-   * Removes a metadata output.
-   *
-   * @param listener The output to remove.
-   */
   public void removeMetadataOutput(MetadataOutput listener) {
     metadataOutputs.remove(listener);
   }
@@ -978,7 +885,7 @@ public class SimpleExoPlayer implements ExoPlayer {
     @Override
     public void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees,
         float pixelWidthHeightRatio) {
-      for (VideoListener videoListener : videoListeners) {
+      for (com.google.android.exoplayer2.video.VideoListener videoListener : videoListeners) {
         videoListener.onVideoSizeChanged(width, height, unappliedRotationDegrees,
             pixelWidthHeightRatio);
       }
@@ -991,7 +898,7 @@ public class SimpleExoPlayer implements ExoPlayer {
     @Override
     public void onRenderedFirstFrame(Surface surface) {
       if (SimpleExoPlayer.this.surface == surface) {
-        for (VideoListener videoListener : videoListeners) {
+        for (com.google.android.exoplayer2.video.VideoListener videoListener : videoListeners) {
           videoListener.onRenderedFirstFrame();
         }
       }

library/core/src/main/java/com/google/android/exoplayer2/video/VideoListener.java

+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.android.exoplayer2.video;
+
+/** A listener for metadata corresponding to video being rendered. */
+public interface VideoListener {
+
+  /**
+   * Called each time there's a change in the size of the video being rendered.
+   *
+   * @param width The video width in pixels.
+   * @param height The video height in pixels.
+   * @param unappliedRotationDegrees For videos that require a rotation, this is the clockwise
+   *     rotation in degrees that the application should apply for the video for it to be rendered
+   *     in the correct orientation. This value will always be zero on API levels 21 and above,
+   *     since the renderer will apply all necessary rotations internally. On earlier API levels
+   *     this is not possible. Applications that use {@link android.view.TextureView} can apply the
+   *     rotation by calling {@link android.view.TextureView#setTransform}. Applications that do not
+   *     expect to encounter rotated videos can safely ignore this parameter.
+   * @param pixelWidthHeightRatio The width to height ratio of each pixel. For the normal case of
+   *     square pixels this will be equal to 1.0. Different values are indicative of anamorphic
+   *     content.
+   */
+  void onVideoSizeChanged(
+      int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio);
+
+  /**
+   * Called when a frame is rendered for the first time since setting the surface, and when a frame
+   * is rendered for the first time since a video track was selected.
+   */
+  void onRenderedFirstFrame();
+}

library/ui/src/main/res/layout/exo_player_control_view.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<merge>
+  <include layout="@layout/exo_playback_control_view"/>
+</merge>

library/ui/src/main/res/layout/exo_player_view.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<merge>
+  <include layout="@layout/exo_simple_player_view"/>
+</merge>

library/ui/src/main/res/values/attrs.xml

@@ -41,7 +41,7 @@
   </attr>
   <attr name="show_shuffle_button" format="boolean"/>
 
-  <declare-styleable name="SimpleExoPlayerView">
+  <declare-styleable name="PlayerView">
     <attr name="use_artwork" format="boolean"/>
     <attr name="shutter_background_color" format="color"/>
     <attr name="default_artwork" format="reference"/>
@@ -52,7 +52,7 @@
     <attr name="resize_mode"/>
     <attr name="surface_type"/>
     <attr name="player_layout_id"/>
-    <!-- PlaybackControlView attrs -->
+    <!-- PlayerControlView attributes -->
     <attr name="show_timeout"/>
     <attr name="rewind_increment"/>
     <attr name="fastforward_increment"/>
@@ -65,7 +65,7 @@
     <attr name="resize_mode"/>
   </declare-styleable>
 
-  <declare-styleable name="PlaybackControlView">
+  <declare-styleable name="PlayerControlView">
     <attr name="show_timeout"/>
     <attr name="rewind_increment"/>
     <attr name="fastforward_increment"/>

testutils/src/main/java/com/google/android/exoplayer2/testutil/StubExoPlayer.java

@@ -32,6 +32,16 @@ import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
  */
 public abstract class StubExoPlayer implements ExoPlayer {
 
+  @Override
+  public VideoComponent getVideoComponent() {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public TextComponent getTextComponent() {
+    throw new UnsupportedOperationException();
+  }
+
   @Override
   public Looper getPlaybackLooper() {
     throw new UnsupportedOperationException();