diff --git a/libraries/common/src/main/java/androidx/media3/common/VideoFrameProcessor.java b/libraries/common/src/main/java/androidx/media3/common/VideoFrameProcessor.java
index 86fec35cae..a5e67d4022 100644
--- a/libraries/common/src/main/java/androidx/media3/common/VideoFrameProcessor.java
+++ b/libraries/common/src/main/java/androidx/media3/common/VideoFrameProcessor.java
@@ -208,7 +208,7 @@ public interface VideoFrameProcessor {
   void registerInputFrame();
 
   /**
-   * returns the number of input frames that have been made available to the {@code
+   * Returns the number of input frames that have been made available to the {@code
    * VideoFrameProcessor} but have not been processed yet.
    *
    * <p>Can be called on any thread.
diff --git a/libraries/effect/src/main/java/androidx/media3/effect/BitmapTextureManager.java b/libraries/effect/src/main/java/androidx/media3/effect/BitmapTextureManager.java
index 720ade53be..950971b3c2 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/BitmapTextureManager.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/BitmapTextureManager.java
@@ -21,10 +21,8 @@ import static java.lang.Math.round;
 import android.graphics.Bitmap;
 import android.opengl.GLES20;
 import android.opengl.GLUtils;
-import android.view.Surface;
 import androidx.annotation.Nullable;
 import androidx.media3.common.C;
-import androidx.media3.common.FrameInfo;
 import androidx.media3.common.GlTextureInfo;
 import androidx.media3.common.VideoFrameProcessingException;
 import androidx.media3.common.util.GlUtil;
@@ -79,11 +77,6 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
         });
   }
 
-  @Override
-  public void setDefaultBufferSize(int width, int height) {
-    throw new UnsupportedOperationException();
-  }
-
   @Override
   public void queueInputBitmap(
       Bitmap inputBitmap, long durationUs, float frameRate, boolean useHdr) {
@@ -91,16 +84,6 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
         () -> setupBitmap(inputBitmap, durationUs, frameRate, useHdr));
   }
 
-  @Override
-  public Surface getInputSurface() {
-    throw new UnsupportedOperationException();
-  }
-
-  @Override
-  public void registerInputFrame(FrameInfo frameInfo) {
-    // Do nothing.
-  }
-
   @Override
   public int getPendingFrameCount() {
     // Always treat all queued bitmaps as immediately processed.
diff --git a/libraries/effect/src/main/java/androidx/media3/effect/ExternalTextureManager.java b/libraries/effect/src/main/java/androidx/media3/effect/ExternalTextureManager.java
index bc3702ad53..0750fb7ca2 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/ExternalTextureManager.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/ExternalTextureManager.java
@@ -17,7 +17,6 @@ package androidx.media3.effect;
 
 import static androidx.media3.common.util.Assertions.checkStateNotNull;
 
-import android.graphics.Bitmap;
 import android.graphics.SurfaceTexture;
 import android.view.Surface;
 import androidx.annotation.Nullable;
@@ -110,12 +109,6 @@ import java.util.concurrent.atomic.AtomicInteger;
     surfaceTexture.setDefaultBufferSize(width, height);
   }
 
-  @Override
-  public void queueInputBitmap(
-      Bitmap inputBitmap, long durationUs, float frameRate, boolean useHdr) {
-    throw new UnsupportedOperationException();
-  }
-
   @Override
   public Surface getInputSurface() {
     return surface;
diff --git a/libraries/effect/src/main/java/androidx/media3/effect/InputHandler.java b/libraries/effect/src/main/java/androidx/media3/effect/InputHandler.java
index ed9a7d4e97..4d3b5f5bd1 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/InputHandler.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/InputHandler.java
@@ -32,24 +32,33 @@ import androidx.media3.common.VideoFrameProcessor;
    *
    * <p>Only works when the input is received on a {@link SurfaceTexture}.
    */
-  void setDefaultBufferSize(int width, int height);
+  default void setDefaultBufferSize(int width, int height) {
+    throw new UnsupportedOperationException();
+  }
 
   /**
    * Provides an input {@link Bitmap} to put into the video frames.
    *
    * @see VideoFrameProcessor#queueInputBitmap
    */
-  void queueInputBitmap(Bitmap inputBitmap, long durationUs, float frameRate, boolean useHdr);
+  default void queueInputBitmap(
+      Bitmap inputBitmap, long durationUs, float frameRate, boolean useHdr) {
+    throw new UnsupportedOperationException();
+  }
 
   /**
    * See {@link VideoFrameProcessor#getInputSurface}.
    *
    * <p>Only works when the input is received on a {@link SurfaceTexture}.
    */
-  Surface getInputSurface();
+  default Surface getInputSurface() {
+    throw new UnsupportedOperationException();
+  }
 
   /** Informs the {@code InputHandler} that a frame will be queued. */
-  void registerInputFrame(FrameInfo frameInfo);
+  default void registerInputFrame(FrameInfo frameInfo) {
+    throw new UnsupportedOperationException();
+  }
 
   /** See {@link VideoFrameProcessor#getPendingInputFrameCount}. */
   int getPendingFrameCount();