diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/TransformerUtil.java b/libraries/transformer/src/main/java/androidx/media3/transformer/TransformerUtil.java
index b9e0a4d9c9..7dea3d0660 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/TransformerUtil.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/TransformerUtil.java
@@ -17,10 +17,15 @@
 package androidx.media3.transformer;
 
 import static androidx.media3.common.ColorInfo.SDR_BT709_LIMITED;
+import static androidx.media3.common.ColorInfo.isTransferHdr;
 import static androidx.media3.transformer.Composition.HDR_MODE_KEEP_HDR;
+import static androidx.media3.transformer.Composition.HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL;
+import static androidx.media3.transformer.EncoderUtil.getSupportedEncodersForHdrEditing;
 import static java.lang.Math.round;
 
 import android.media.MediaCodec;
+import android.media.MediaCodecInfo;
+import android.util.Pair;
 import androidx.annotation.Nullable;
 import androidx.media3.common.C;
 import androidx.media3.common.ColorInfo;
@@ -31,6 +36,7 @@ import androidx.media3.common.MimeTypes;
 import androidx.media3.effect.GlEffect;
 import androidx.media3.effect.ScaleAndRotateTransformation;
 import androidx.media3.extractor.metadata.mp4.SlowMotionData;
+import androidx.media3.transformer.Composition.HdrMode;
 import com.google.common.collect.ImmutableList;
 
 /** Utility methods for Transformer. */
@@ -233,4 +239,33 @@ import com.google.common.collect.ImmutableList;
     }
     return decoderInputColor;
   }
+
+  /**
+   * Calculate what the MIME type and {@link HdrMode} to use, applying fallback measure if
+   * necessary.
+   *
+   * @param hdrMode The {@link HdrMode}.
+   * @param requestedOutputMimeType The desired output MIME type.
+   * @param colorInfo The {@link ColorInfo}.
+   * @return a {@link Pair} of the output MIME type and {@link HdrMode}.
+   */
+  public static Pair<String, Integer> getOutputMimeTypeAndHdrModeAfterFallback(
+      @HdrMode int hdrMode, String requestedOutputMimeType, @Nullable ColorInfo colorInfo) {
+    // HdrMode fallback is only supported from HDR_MODE_KEEP_HDR to
+    // HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL.
+    if (hdrMode == HDR_MODE_KEEP_HDR && isTransferHdr(colorInfo)) {
+      ImmutableList<MediaCodecInfo> hdrEncoders =
+          getSupportedEncodersForHdrEditing(requestedOutputMimeType, colorInfo);
+      if (hdrEncoders.isEmpty()) {
+        // Fallback H.265/HEVC codecs for HDR content to avoid tonemapping.
+        hdrEncoders = getSupportedEncodersForHdrEditing(MimeTypes.VIDEO_H265, colorInfo);
+        if (!hdrEncoders.isEmpty()) {
+          requestedOutputMimeType = MimeTypes.VIDEO_H265;
+        } else {
+          hdrMode = HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL;
+        }
+      }
+    }
+    return Pair.create(requestedOutputMimeType, hdrMode);
+  }
 }
diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/VideoSampleExporter.java b/libraries/transformer/src/main/java/androidx/media3/transformer/VideoSampleExporter.java
index 02a557e627..42dcfff3e9 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/VideoSampleExporter.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/VideoSampleExporter.java
@@ -26,11 +26,10 @@ import static androidx.media3.common.util.Assertions.checkArgument;
 import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.transformer.Composition.HDR_MODE_KEEP_HDR;
 import static androidx.media3.transformer.Composition.HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL;
-import static androidx.media3.transformer.EncoderUtil.getSupportedEncodersForHdrEditing;
+import static androidx.media3.transformer.TransformerUtil.getOutputMimeTypeAndHdrModeAfterFallback;
 
 import android.content.Context;
 import android.media.MediaCodec;
-import android.media.MediaCodecInfo;
 import android.util.Pair;
 import android.view.Surface;
 import androidx.annotation.IntRange;
@@ -51,7 +50,6 @@ import androidx.media3.common.util.Util;
 import androidx.media3.decoder.DecoderInputBuffer;
 import androidx.media3.effect.DebugTraceUtil;
 import androidx.media3.effect.VideoCompositorSettings;
-import com.google.common.collect.ImmutableList;
 import com.google.common.util.concurrent.MoreExecutors;
 import java.nio.ByteBuffer;
 import java.util.List;
@@ -268,25 +266,8 @@ import org.checkerframework.dataflow.qual.Pure;
         requestedOutputMimeType = inputSampleMimeType;
       }
 
-      // HdrMode fallback is only supported from HDR_MODE_KEEP_HDR to
-      // HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL.
-      @Composition.HdrMode int hdrMode = transformationRequest.hdrMode;
-      if (hdrMode == HDR_MODE_KEEP_HDR && isTransferHdr(inputFormat.colorInfo)) {
-        ImmutableList<MediaCodecInfo> hdrEncoders =
-            getSupportedEncodersForHdrEditing(requestedOutputMimeType, inputFormat.colorInfo);
-        if (hdrEncoders.isEmpty()) {
-          // Fallback H.265/HEVC codecs for HDR content to avoid tonemapping.
-          hdrEncoders =
-              getSupportedEncodersForHdrEditing(MimeTypes.VIDEO_H265, inputFormat.colorInfo);
-        }
-        if (hdrEncoders.isEmpty()) {
-          hdrMode = HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL;
-        } else {
-          requestedOutputMimeType = MimeTypes.VIDEO_H265;
-        }
-      }
-
-      return Pair.create(requestedOutputMimeType, hdrMode);
+      return getOutputMimeTypeAndHdrModeAfterFallback(
+          transformationRequest.hdrMode, requestedOutputMimeType, inputFormat.colorInfo);
     }
 
     public @Composition.HdrMode int getHdrModeAfterFallback() {