Add method to check if tunneling is enabled.

Issue: google/ExoPlayer#2518
PiperOrigin-RevId: 460482615

RELEASENOTES.md

@@ -9,6 +9,9 @@
         ([#9889](https://github.com/google/ExoPlayer/issues/9889)).
     *   For progressive media, only include selected tracks in buffered position
         ([#10361](https://github.com/google/ExoPlayer/issues/10361)).
+    *   Add `ExoPlayer.isTunnelingEnabled` to check if tunneling is enabled for
+        the currently selected tracks
+        ([#2518](https://github.com/google/ExoPlayer/issues/2518)).
 *   Extractors:
     *   Add support for AVI
         ([#2092](https://github.com/google/ExoPlayer/issues/2092)).

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/ExoPlayer.java

@@ -1696,4 +1696,14 @@ public interface ExoPlayer extends Player {
    */
   @UnstableApi
   boolean experimentalIsSleepingForOffload();
+
+  /**
+   * Returns whether <a
+   * href="https://source.android.com/devices/tv/multimedia-tunneling">tunneling</a> is enabled for
+   * the currently selected tracks.
+   *
+   * @see Player.Listener#onTracksChanged(Tracks)
+   */
+  @UnstableApi
+  boolean isTunnelingEnabled();
 }

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/ExoPlayerImpl.java

@@ -1682,6 +1682,17 @@ import java.util.concurrent.TimeoutException;
     streamVolumeManager.setMuted(muted);
   }
 
+  @Override
+  public boolean isTunnelingEnabled() {
+    verifyApplicationThread();
+    for (RendererConfiguration config : playbackInfo.trackSelectorResult.rendererConfigurations) {
+      if (config.tunneling) {
+        return true;
+      }
+    }
+    return false;
+  }
+
   /* package */ void setThrowsWhenUsingWrongThread(boolean throwsWhenUsingWrongThread) {
     this.throwsWhenUsingWrongThread = throwsWhenUsingWrongThread;
   }

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/SimpleExoPlayer.java

@@ -1258,6 +1258,12 @@ public class SimpleExoPlayer extends BasePlayer
     player.setDeviceMuted(muted);
   }
 
+  @Override
+  public boolean isTunnelingEnabled() {
+    blockUntilConstructorFinished();
+    return player.isTunnelingEnabled();
+  }
+
   /* package */ void setThrowsWhenUsingWrongThread(boolean throwsWhenUsingWrongThread) {
     blockUntilConstructorFinished();
     player.setThrowsWhenUsingWrongThread(throwsWhenUsingWrongThread);

libraries/test_utils/src/main/java/androidx/media3/test/utils/StubExoPlayer.java

@@ -412,4 +412,9 @@ public class StubExoPlayer extends StubPlayer implements ExoPlayer {
   public boolean experimentalIsSleepingForOffload() {
     throw new UnsupportedOperationException();
   }
+
+  @Override
+  public boolean isTunnelingEnabled() {
+    throw new UnsupportedOperationException();
+  }
 }