diff --git a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java
index 9533f772e4..0c241eb08d 100644
--- a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java
+++ b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java
@@ -25,21 +25,16 @@ import static androidx.media3.test.utils.BitmapPixelTestUtil.createArgb8888Bitma
 import static androidx.media3.test.utils.BitmapPixelTestUtil.createArgb8888BitmapFromRgba8888ImageBuffer;
 import static androidx.media3.test.utils.BitmapPixelTestUtil.getBitmapAveragePixelAbsoluteDifferenceArgb8888;
 import static androidx.media3.test.utils.BitmapPixelTestUtil.readBitmap;
+import static androidx.media3.transformer.mh.performance.PlaybackTestUtil.createTimestampOverlay;
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.common.truth.Truth.assertWithMessage;
 import static org.junit.Assume.assumeTrue;
 
 import android.app.Instrumentation;
 import android.graphics.Bitmap;
-import android.graphics.Color;
 import android.graphics.PixelFormat;
 import android.media.Image;
 import android.media.ImageReader;
-import android.text.Spannable;
-import android.text.SpannableString;
-import android.text.style.AbsoluteSizeSpan;
-import android.text.style.ForegroundColorSpan;
-import android.text.style.TypefaceSpan;
 import android.view.Surface;
 import androidx.annotation.Nullable;
 import androidx.media3.common.C;
@@ -51,8 +46,6 @@ import androidx.media3.common.util.ConditionVariable;
 import androidx.media3.common.util.Size;
 import androidx.media3.common.util.Util;
 import androidx.media3.effect.Brightness;
-import androidx.media3.effect.OverlayEffect;
-import androidx.media3.effect.TextOverlay;
 import androidx.media3.effect.TimestampWrapper;
 import androidx.media3.exoplayer.ExoPlayer;
 import androidx.media3.exoplayer.Renderer;
@@ -418,34 +411,6 @@ public class EffectPlaybackTest {
         .send();
   }
 
-  /** Creates an {@link OverlayEffect} that draws the timestamp onto frames. */
-  private static OverlayEffect createTimestampOverlay() {
-    return new OverlayEffect(
-        ImmutableList.of(
-            new TextOverlay() {
-              @Override
-              public SpannableString getText(long presentationTimeUs) {
-                SpannableString text = new SpannableString(String.valueOf(presentationTimeUs));
-                text.setSpan(
-                    new ForegroundColorSpan(Color.WHITE),
-                    /* start= */ 0,
-                    text.length(),
-                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-                text.setSpan(
-                    new AbsoluteSizeSpan(/* size= */ 96),
-                    /* start= */ 0,
-                    text.length(),
-                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-                text.setSpan(
-                    new TypefaceSpan(/* family= */ "sans-serif"),
-                    /* start= */ 0,
-                    text.length(),
-                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-                return text;
-              }
-            }));
-  }
-
   private static void release(@Nullable Player player, @Nullable ImageReader imageReader) {
     if (player != null) {
       player.release();
diff --git a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/PlaybackTestUtil.java b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/PlaybackTestUtil.java
new file mode 100644
index 0000000000..dabce30ec5
--- /dev/null
+++ b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/PlaybackTestUtil.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2024 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
+ *
+ *      https://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 androidx.media3.transformer.mh.performance;
+
+import android.graphics.Color;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.style.AbsoluteSizeSpan;
+import android.text.style.ForegroundColorSpan;
+import android.text.style.TypefaceSpan;
+import androidx.media3.effect.OverlayEffect;
+import androidx.media3.effect.TextOverlay;
+import com.google.common.collect.ImmutableList;
+
+/** Utilities for playback tests. */
+/* package */ final class PlaybackTestUtil {
+
+  private PlaybackTestUtil() {}
+
+  /** Creates an {@link OverlayEffect} that draws the timestamp onto frames. */
+  public static OverlayEffect createTimestampOverlay() {
+    return new OverlayEffect(
+        ImmutableList.of(
+            new TextOverlay() {
+              @Override
+              public SpannableString getText(long presentationTimeUs) {
+                SpannableString text = new SpannableString(String.valueOf(presentationTimeUs));
+                text.setSpan(
+                    new ForegroundColorSpan(Color.WHITE),
+                    /* start= */ 0,
+                    text.length(),
+                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                text.setSpan(
+                    new AbsoluteSizeSpan(/* size= */ 96),
+                    /* start= */ 0,
+                    text.length(),
+                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                text.setSpan(
+                    new TypefaceSpan(/* family= */ "sans-serif"),
+                    /* start= */ 0,
+                    text.length(),
+                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                return text;
+              }
+            }));
+  }
+}