diff --git a/library/core/src/main/java/com/google/android/exoplayer2/util/CeaUtil.java b/library/core/src/main/java/com/google/android/exoplayer2/extractor/CeaUtil.java
similarity index 81%
rename from library/core/src/main/java/com/google/android/exoplayer2/util/CeaUtil.java
rename to library/core/src/main/java/com/google/android/exoplayer2/extractor/CeaUtil.java
index 71b29db2d3..4c3f97975e 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/util/CeaUtil.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/CeaUtil.java
@@ -13,12 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.google.android.exoplayer2.util;
+package com.google.android.exoplayer2.extractor;
 
 import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.extractor.TrackOutput;
-import java.util.Collections;
-import java.util.List;
+import com.google.android.exoplayer2.util.Log;
+import com.google.android.exoplayer2.util.ParsableByteArray;
 
 /** Utility methods for handling CEA-608/708 messages. Defined in A/53 Part 4:2009. */
 public final class CeaUtil {
@@ -33,30 +32,6 @@ public final class CeaUtil {
   private static final int PROVIDER_CODE_ATSC = 0x31;
   private static final int PROVIDER_CODE_DIRECTV = 0x2F;
 
-  /**
-   * Returns initialization data for formats with MIME type {@link MimeTypes#APPLICATION_CEA708}.
-   *
-   * @param isWideAspectRatio Whether the closed caption service is formatted for displays with 16:9
-   *     aspect ratio.
-   * @return Initialization data for formats with MIME type {@link MimeTypes#APPLICATION_CEA708}.
-   */
-  public static List<byte[]> getCea708InitializationData(boolean isWideAspectRatio) {
-    return Collections.singletonList(isWideAspectRatio ? new byte[] {1} : new byte[] {0});
-  }
-
-  /**
-   * Returns whether the closed caption service with the given initialization data is formatted for
-   * displays with 16:9 aspect ratio.
-   *
-   * @param initializationData The initialization data to parse.
-   * @return Whether the closed caption service is formatted for displays with 16:9 aspect ratio.
-   */
-  public static boolean getIsWideAspectRatio(List<byte[]> initializationData) {
-    return initializationData.size() == 1
-        && initializationData.get(0).length == 1
-        && initializationData.get(0)[0] == 1;
-  }
-
   /**
    * Consumes the unescaped content of an SEI NAL unit, writing the content of any CEA-608 messages
    * as samples to all of the provided outputs.
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java b/library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
index d5375cca96..19dbe6bc69 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
@@ -25,6 +25,7 @@ import com.google.android.exoplayer2.ParserException;
 import com.google.android.exoplayer2.audio.Ac4Util;
 import com.google.android.exoplayer2.drm.DrmInitData;
 import com.google.android.exoplayer2.drm.DrmInitData.SchemeData;
+import com.google.android.exoplayer2.extractor.CeaUtil;
 import com.google.android.exoplayer2.extractor.ChunkIndex;
 import com.google.android.exoplayer2.extractor.Extractor;
 import com.google.android.exoplayer2.extractor.ExtractorInput;
@@ -38,7 +39,6 @@ import com.google.android.exoplayer2.extractor.mp4.Atom.LeafAtom;
 import com.google.android.exoplayer2.metadata.emsg.EventMessage;
 import com.google.android.exoplayer2.metadata.emsg.EventMessageEncoder;
 import com.google.android.exoplayer2.util.Assertions;
-import com.google.android.exoplayer2.util.CeaUtil;
 import com.google.android.exoplayer2.util.Log;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.NalUnitUtil;
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/DefaultTsPayloadReaderFactory.java b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/DefaultTsPayloadReaderFactory.java
index dcfa8ba9e9..ad1e8cc264 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/DefaultTsPayloadReaderFactory.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/DefaultTsPayloadReaderFactory.java
@@ -20,7 +20,7 @@ import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.extractor.ts.TsPayloadReader.EsInfo;
-import com.google.android.exoplayer2.util.CeaUtil;
+import com.google.android.exoplayer2.util.CodecSpecificDataUtil;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.ParsableByteArray;
 import java.lang.annotation.Documented;
@@ -253,7 +253,8 @@ public final class DefaultTsPayloadReaderFactory implements TsPayloadReader.Fact
           // The wide_aspect_ratio flag only has meaning for CEA-708.
           if (isDigital) {
             boolean isWideAspectRatio = (flags & 0x40) != 0;
-            initializationData = CeaUtil.getCea708InitializationData(isWideAspectRatio);
+            initializationData =
+                CodecSpecificDataUtil.buildCea708InitializationData(isWideAspectRatio);
           }
 
           closedCaptionFormats.add(
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/SeiReader.java b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/SeiReader.java
index 6d7196ead1..38db71565a 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/SeiReader.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/SeiReader.java
@@ -18,11 +18,11 @@ package com.google.android.exoplayer2.extractor.ts;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.extractor.CeaUtil;
 import com.google.android.exoplayer2.extractor.ExtractorOutput;
 import com.google.android.exoplayer2.extractor.TrackOutput;
 import com.google.android.exoplayer2.extractor.ts.TsPayloadReader.TrackIdGenerator;
 import com.google.android.exoplayer2.util.Assertions;
-import com.google.android.exoplayer2.util.CeaUtil;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.ParsableByteArray;
 import java.util.List;
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/UserDataReader.java b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/UserDataReader.java
index 3b20af1431..64f9a9d128 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/UserDataReader.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/UserDataReader.java
@@ -18,10 +18,10 @@ package com.google.android.exoplayer2.extractor.ts;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.extractor.CeaUtil;
 import com.google.android.exoplayer2.extractor.ExtractorOutput;
 import com.google.android.exoplayer2.extractor.TrackOutput;
 import com.google.android.exoplayer2.util.Assertions;
-import com.google.android.exoplayer2.util.CeaUtil;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.ParsableByteArray;
 import java.util.List;
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/text/cea/Cea708Decoder.java b/library/core/src/main/java/com/google/android/exoplayer2/text/cea/Cea708Decoder.java
index a3398894d0..182fe7a2fe 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/text/cea/Cea708Decoder.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/text/cea/Cea708Decoder.java
@@ -34,7 +34,7 @@ import com.google.android.exoplayer2.text.Subtitle;
 import com.google.android.exoplayer2.text.SubtitleDecoder;
 import com.google.android.exoplayer2.text.SubtitleInputBuffer;
 import com.google.android.exoplayer2.util.Assertions;
-import com.google.android.exoplayer2.util.CeaUtil;
+import com.google.android.exoplayer2.util.CodecSpecificDataUtil;
 import com.google.android.exoplayer2.util.Log;
 import com.google.android.exoplayer2.util.ParsableBitArray;
 import com.google.android.exoplayer2.util.ParsableByteArray;
@@ -164,7 +164,8 @@ public final class Cea708Decoder extends CeaDecoder {
     serviceBlockPacket = new ParsableBitArray();
     selectedServiceNumber = accessibilityChannel == Format.NO_VALUE ? 1 : accessibilityChannel;
     isWideAspectRatio =
-        initializationData != null && CeaUtil.getIsWideAspectRatio(initializationData);
+        initializationData != null
+            && CodecSpecificDataUtil.parseCea708InitializationData(initializationData);
 
     cueInfoBuilders = new CueInfoBuilder[NUM_WINDOWS];
     for (int i = 0; i < NUM_WINDOWS; i++) {
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/util/CodecSpecificDataUtil.java b/library/core/src/main/java/com/google/android/exoplayer2/util/CodecSpecificDataUtil.java
index 3372f23971..4a2959a5c8 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/util/CodecSpecificDataUtil.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/util/CodecSpecificDataUtil.java
@@ -20,6 +20,7 @@ import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.ParserException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -221,6 +222,31 @@ public final class CodecSpecificDataUtil {
     return Pair.create(sampleRate, channelCount);
   }
 
+  /**
+   * Returns initialization data for formats with MIME type {@link MimeTypes#APPLICATION_CEA708}.
+   *
+   * @param isWideAspectRatio Whether the CEA-708 closed caption service is formatted for displays
+   *     with 16:9 aspect ratio.
+   * @return Initialization data for formats with MIME type {@link MimeTypes#APPLICATION_CEA708}.
+   */
+  public static List<byte[]> buildCea708InitializationData(boolean isWideAspectRatio) {
+    return Collections.singletonList(isWideAspectRatio ? new byte[] {1} : new byte[] {0});
+  }
+
+  /**
+   * Returns whether the CEA-708 closed caption service with the given initialization data is
+   * formatted for displays with 16:9 aspect ratio.
+   *
+   * @param initializationData The initialization data to parse.
+   * @return Whether the CEA-708 closed caption service is formatted for displays with 16:9 aspect
+   *     ratio.
+   */
+  public static boolean parseCea708InitializationData(List<byte[]> initializationData) {
+    return initializationData.size() == 1
+        && initializationData.get(0).length == 1
+        && initializationData.get(0)[0] == 1;
+  }
+
   /**
    * Builds an RFC 6381 AVC codec string using the provided parameters.
    *
@@ -380,5 +406,4 @@ public final class CodecSpecificDataUtil {
       bitArray.skipBits(1); // extensionFlag3.
     }
   }
-
 }