Forward default methods

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

@@ -35,6 +35,7 @@ public class ForwardingRenderer implements Renderer {
 
   private final Renderer renderer;
 
+  /** Creates a new instance that forwards all operations to {@code renderer}. */
   public ForwardingRenderer(Renderer renderer) {
     this.renderer = renderer;
   }
@@ -133,6 +134,11 @@ public class ForwardingRenderer implements Renderer {
     return renderer.getReadingPositionUs();
   }
 
+  @Override
+  public long getDurationToProgressUs(long positionUs, long elapsedRealtimeUs) {
+    return renderer.getDurationToProgressUs(positionUs, elapsedRealtimeUs);
+  }
+
   @Override
   public void setCurrentStreamFinal() {
     renderer.setCurrentStreamFinal();
@@ -153,6 +159,17 @@ public class ForwardingRenderer implements Renderer {
     renderer.resetPosition(positionUs);
   }
 
+  @Override
+  public void setPlaybackSpeed(float currentPlaybackSpeed, float targetPlaybackSpeed)
+      throws ExoPlaybackException {
+    renderer.setPlaybackSpeed(currentPlaybackSpeed, targetPlaybackSpeed);
+  }
+
+  @Override
+  public void enableMayRenderStartOfStream() {
+    renderer.enableMayRenderStartOfStream();
+  }
+
   @Override
   public void setTimeline(Timeline timeline) {}
 
@@ -185,4 +202,9 @@ public class ForwardingRenderer implements Renderer {
   public void reset() {
     renderer.reset();
   }
+
+  @Override
+  public void release() {
+    renderer.release();
+  }
 }

libraries/exoplayer/src/test/java/androidx/media3/exoplayer/ForwardingRendererTest.java

@@ -17,26 +17,26 @@ package androidx.media3.exoplayer;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import androidx.media3.exoplayer.ForwardingRenderer;
-import androidx.media3.exoplayer.Renderer;
 import androidx.media3.test.utils.TestUtil;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 import java.lang.reflect.Method;
 import java.util.List;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 
+/** Unit tests for {@link ForwardingRenderer}. */
+@RunWith(AndroidJUnit4.class)
 public class ForwardingRendererTest {
   @Test
   public void forwardingRenderer_overridesAllMethods() throws NoSuchMethodException {
     // Check with reflection that ForwardingRenderer overrides all Renderer methods.
     List<Method> methods = TestUtil.getPublicMethods(Renderer.class);
     for (Method method : methods) {
-      if (!method.isDefault()) {
-        assertThat(
-                ForwardingRenderer.class
-                    .getDeclaredMethod(method.getName(), method.getParameterTypes())
-                    .getDeclaringClass())
-            .isEqualTo(ForwardingRenderer.class);
-      }
+      assertThat(
+              ForwardingRenderer.class
+                  .getDeclaredMethod(method.getName(), method.getParameterTypes())
+                  .getDeclaringClass())
+          .isEqualTo(ForwardingRenderer.class);
     }
   }
 }