diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 1cc36d7350..5100b522a6 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -213,6 +213,7 @@
         timestamps ([#7464](https://github.com/google/ExoPlayer/issues/7464)).
 *   Ogg: Allow non-contiguous pages
     ([#7230](https://github.com/google/ExoPlayer/issues/7230)).
+*   MP4: Fix playback of MP4 containing Opus.
 *   Matroska: Remove support for "Invisible" block header flag.
 *   FLV: Ignore SCRIPTDATA segments with invalid name types, rather than failing
     playback ([#7675](https://github.com/google/ExoPlayer/issues/7675)).
diff --git a/demos/main/src/main/assets/media.exolist.json b/demos/main/src/main/assets/media.exolist.json
index db47aa77dc..f043fc8437 100644
--- a/demos/main/src/main/assets/media.exolist.json
+++ b/demos/main/src/main/assets/media.exolist.json
@@ -4,8 +4,7 @@
     "samples": [
       {
         "name": "Google Glass H264 (MP4)",
-        "uri": "https://www.youtube.com/api/manifest/dash/id/bf5bb2419360daf1/source/youtube?as=fmp4_audio_clear,fmp4_sd_hd_clear&sparams=ip,ipbits,expire,source,id,as&ip=0.0.0.0&ipbits=0&expire=19000000000&signature=51AF5F39AB0CEC3E5497CD9C900EBFEAECCCB5C7.8506521BFC350652163895D4C26DEE124209AA9E&key=ik0",
-        "extension": "mpd"
+        "uri": "file:///sdcard/1.mp4"
       },
       {
         "name": "Google Play H264 (MP4)",
diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java
index 98ff051196..92572a61e1 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/AtomParsers.java
@@ -27,6 +27,7 @@ import com.google.android.exoplayer2.ParserException;
 import com.google.android.exoplayer2.audio.AacUtil;
 import com.google.android.exoplayer2.audio.Ac3Util;
 import com.google.android.exoplayer2.audio.Ac4Util;
+import com.google.android.exoplayer2.audio.OpusUtil;
 import com.google.android.exoplayer2.drm.DrmInitData;
 import com.google.android.exoplayer2.extractor.GaplessInfoHolder;
 import com.google.android.exoplayer2.metadata.Metadata;
@@ -40,9 +41,9 @@ import com.google.android.exoplayer2.video.AvcConfig;
 import com.google.android.exoplayer2.video.DolbyVisionConfig;
 import com.google.android.exoplayer2.video.HevcConfig;
 import com.google.common.base.Function;
+import com.google.common.collect.ImmutableList;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.List;
 import org.checkerframework.checker.nullness.compatqual.NullableType;
 
@@ -913,7 +914,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
     parent.setPosition(position + Atom.HEADER_SIZE + StsdData.STSD_HEADER_SIZE);
 
     // Default values.
-    @Nullable List<byte[]> initializationData = null;
+    @Nullable ImmutableList<byte[]> initializationData = null;
     long subsampleOffsetUs = Format.OFFSET_SAMPLE_RELATIVE;
 
     String mimeType;
@@ -924,7 +925,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
       int sampleDescriptionLength = atomSize - Atom.HEADER_SIZE - 8;
       byte[] sampleDescriptionData = new byte[sampleDescriptionLength];
       parent.readBytes(sampleDescriptionData, 0, sampleDescriptionLength);
-      initializationData = Collections.singletonList(sampleDescriptionData);
+      initializationData = ImmutableList.of(sampleDescriptionData);
     } else if (atomType == Atom.TYPE_wvtt) {
       mimeType = MimeTypes.APPLICATION_MP4VTT;
     } else if (atomType == Atom.TYPE_stpp) {
@@ -1042,7 +1043,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
         mimeType = mimeTypeAndInitializationDataBytes.first;
         @Nullable byte[] initializationDataBytes = mimeTypeAndInitializationDataBytes.second;
         if (initializationDataBytes != null) {
-          initializationData = Collections.singletonList(initializationDataBytes);
+          initializationData = ImmutableList.of(initializationDataBytes);
         }
       } else if (childAtomType == Atom.TYPE_pasp) {
         pixelWidthHeightRatio = parsePaspFromParent(parent, childStartPosition);
@@ -1242,7 +1243,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
       mimeType = MimeTypes.AUDIO_FLAC;
     }
 
-    @Nullable byte[] initializationData = null;
+    @Nullable List<byte[]> initializationData = null;
     while (childPosition - position < size) {
       parent.setPosition(childPosition);
       int childAtomSize = parent.readInt();
@@ -1255,14 +1256,18 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
           Pair<@NullableType String, byte @NullableType []> mimeTypeAndInitializationData =
               parseEsdsFromParent(parent, esdsAtomPosition);
           mimeType = mimeTypeAndInitializationData.first;
-          initializationData = mimeTypeAndInitializationData.second;
-          if (MimeTypes.AUDIO_AAC.equals(mimeType) && initializationData != null) {
-            // Update sampleRate and channelCount from the AudioSpecificConfig initialization data,
-            // which is more reliable. See [Internal: b/10903778].
-            AacUtil.Config aacConfig = AacUtil.parseAudioSpecificConfig(initializationData);
-            sampleRate = aacConfig.sampleRateHz;
-            channelCount = aacConfig.channelCount;
-            codecs = aacConfig.codecs;
+          @Nullable byte[] initializationDataBytes = mimeTypeAndInitializationData.second;
+          if (initializationDataBytes != null) {
+            if (MimeTypes.AUDIO_AAC.equals(mimeType)) {
+              // Update sampleRate and channelCount from the AudioSpecificConfig initialization
+              // data,
+              // which is more reliable. See [Internal: b/10903778].
+              AacUtil.Config aacConfig = AacUtil.parseAudioSpecificConfig(initializationDataBytes);
+              sampleRate = aacConfig.sampleRateHz;
+              channelCount = aacConfig.channelCount;
+              codecs = aacConfig.codecs;
+            }
+            initializationData = ImmutableList.of(initializationDataBytes);
           }
         }
       } else if (childAtomType == Atom.TYPE_dac3) {
@@ -1291,30 +1296,32 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
         // Build an Opus Identification Header (defined in RFC-7845) by concatenating the Opus Magic
         // Signature and the body of the dOps atom.
         int childAtomBodySize = childAtomSize - Atom.HEADER_SIZE;
-        initializationData = new byte[opusMagic.length + childAtomBodySize];
-        System.arraycopy(opusMagic, 0, initializationData, 0, opusMagic.length);
+        byte[] headerBytes = Arrays.copyOf(opusMagic, opusMagic.length + childAtomBodySize);
         parent.setPosition(childPosition + Atom.HEADER_SIZE);
-        parent.readBytes(initializationData, opusMagic.length, childAtomBodySize);
+        parent.readBytes(headerBytes, opusMagic.length, childAtomBodySize);
+        initializationData = OpusUtil.buildInitializationData(headerBytes);
       } else if (childAtomType == Atom.TYPE_dfLa) {
         int childAtomBodySize = childAtomSize - Atom.FULL_HEADER_SIZE;
-        initializationData = new byte[4 + childAtomBodySize];
-        initializationData[0] = 0x66; // f
-        initializationData[1] = 0x4C; // L
-        initializationData[2] = 0x61; // a
-        initializationData[3] = 0x43; // C
+        byte[] initializationDataBytes = new byte[4 + childAtomBodySize];
+        initializationDataBytes[0] = 0x66; // f
+        initializationDataBytes[1] = 0x4C; // L
+        initializationDataBytes[2] = 0x61; // a
+        initializationDataBytes[3] = 0x43; // C
         parent.setPosition(childPosition + Atom.FULL_HEADER_SIZE);
-        parent.readBytes(initializationData, /* offset= */ 4, childAtomBodySize);
+        parent.readBytes(initializationDataBytes, /* offset= */ 4, childAtomBodySize);
+        initializationData = ImmutableList.of(initializationDataBytes);
       } else if (childAtomType == Atom.TYPE_alac) {
         int childAtomBodySize = childAtomSize - Atom.FULL_HEADER_SIZE;
-        initializationData = new byte[childAtomBodySize];
+        byte[] initializationDataBytes = new byte[childAtomBodySize];
         parent.setPosition(childPosition + Atom.FULL_HEADER_SIZE);
-        parent.readBytes(initializationData, /* offset= */ 0, childAtomBodySize);
+        parent.readBytes(initializationDataBytes, /* offset= */ 0, childAtomBodySize);
         // Update sampleRate and channelCount from the AudioSpecificConfig initialization data,
         // which is more reliable. See https://github.com/google/ExoPlayer/pull/6629.
         Pair<Integer, Integer> audioSpecificConfig =
-            CodecSpecificDataUtil.parseAlacAudioSpecificConfig(initializationData);
+            CodecSpecificDataUtil.parseAlacAudioSpecificConfig(initializationDataBytes);
         sampleRate = audioSpecificConfig.first;
         channelCount = audioSpecificConfig.second;
+        initializationData = ImmutableList.of(initializationDataBytes);
       }
       childPosition += childAtomSize;
     }
@@ -1328,8 +1335,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
               .setChannelCount(channelCount)
               .setSampleRate(sampleRate)
               .setPcmEncoding(pcmEncoding)
-              .setInitializationData(
-                  initializationData == null ? null : Collections.singletonList(initializationData))
+              .setInitializationData(initializationData)
               .setDrmInitData(drmInitData)
               .setLanguage(language)
               .build();
diff --git a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorTest.java b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorTest.java
index 3cac224b91..decd55f985 100644
--- a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorTest.java
+++ b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorTest.java
@@ -98,6 +98,14 @@ public final class FragmentedMp4ExtractorTest {
         simulationConfig);
   }
 
+  @Test
+  public void sampleWithOpusTrack() throws Exception {
+    ExtractorAsserts.assertBehavior(
+        getExtractorFactory(ImmutableList.of()),
+        "mp4/sample_opus_fragmented.mp4",
+        simulationConfig);
+  }
+
   @Test
   public void samplePartiallyFragmented() throws Exception {
     ExtractorAsserts.assertBehavior(
diff --git a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/Mp4ExtractorTest.java b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/Mp4ExtractorTest.java
index 8150e074f1..bceb813ff9 100644
--- a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/Mp4ExtractorTest.java
+++ b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/Mp4ExtractorTest.java
@@ -74,4 +74,9 @@ public final class Mp4ExtractorTest {
   public void mp4SampleWithEac3jocTrack() throws Exception {
     ExtractorAsserts.assertBehavior(Mp4Extractor::new, "mp4/sample_eac3joc.mp4", simulationConfig);
   }
+
+  @Test
+  public void mp4SampleWithOpusTrack() throws Exception {
+    ExtractorAsserts.assertBehavior(Mp4Extractor::new, "mp4/sample_opus.mp4", simulationConfig);
+  }
 }
diff --git a/testdata/src/test/assets/mp4/sample_opus.mp4 b/testdata/src/test/assets/mp4/sample_opus.mp4
new file mode 100644
index 0000000000..40d639da79
Binary files /dev/null and b/testdata/src/test/assets/mp4/sample_opus.mp4 differ
diff --git a/testdata/src/test/assets/mp4/sample_opus.mp4.0.dump b/testdata/src/test/assets/mp4/sample_opus.mp4.0.dump
new file mode 100644
index 0000000000..f9c1539402
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus.mp4.0.dump
@@ -0,0 +1,428 @@
+seekMap:
+  isSeekable = true
+  duration = 1460000
+  getPosition(0) = [[timeUs=0, position=179]]
+  getPosition(1) = [[timeUs=1, position=179]]
+  getPosition(730000) = [[timeUs=730000, position=398]]
+  getPosition(1460000) = [[timeUs=1460000, position=3701]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 3651
+  sample count = 101
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    maxInputSize = 278
+    channelCount = 2
+    sampleRate = 48000
+    language = und
+    metadata = entries=[TSSE: description=null: value=Lavf58.29.100]
+    initializationData:
+      data = length 19, hash 86852AE2
+      data = length 8, hash 72CBCBF5
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 0
+    flags = 1
+    data = length 3, hash 4732
+  sample 1:
+    time = 3500
+    flags = 1
+    data = length 3, hash 4732
+  sample 2:
+    time = 13500
+    flags = 1
+    data = length 3, hash 4732
+  sample 3:
+    time = 23500
+    flags = 1
+    data = length 3, hash 4732
+  sample 4:
+    time = 33500
+    flags = 1
+    data = length 3, hash 4732
+  sample 5:
+    time = 43500
+    flags = 1
+    data = length 3, hash 4732
+  sample 6:
+    time = 53500
+    flags = 1
+    data = length 3, hash 4732
+  sample 7:
+    time = 63500
+    flags = 1
+    data = length 3, hash 4732
+  sample 8:
+    time = 73500
+    flags = 1
+    data = length 3, hash 4732
+  sample 9:
+    time = 83500
+    flags = 1
+    data = length 3, hash 4732
+  sample 10:
+    time = 93500
+    flags = 1
+    data = length 3, hash 4732
+  sample 11:
+    time = 103500
+    flags = 1
+    data = length 3, hash 4732
+  sample 12:
+    time = 113500
+    flags = 1
+    data = length 3, hash 4732
+  sample 13:
+    time = 123500
+    flags = 1
+    data = length 3, hash 4732
+  sample 14:
+    time = 133500
+    flags = 1
+    data = length 3, hash 4732
+  sample 15:
+    time = 143500
+    flags = 1
+    data = length 3, hash 4732
+  sample 16:
+    time = 153500
+    flags = 1
+    data = length 3, hash 4732
+  sample 17:
+    time = 163500
+    flags = 1
+    data = length 3, hash 4732
+  sample 18:
+    time = 173500
+    flags = 1
+    data = length 3, hash 4732
+  sample 19:
+    time = 183500
+    flags = 1
+    data = length 3, hash 4732
+  sample 20:
+    time = 193500
+    flags = 1
+    data = length 3, hash 4732
+  sample 21:
+    time = 203500
+    flags = 1
+    data = length 3, hash 4732
+  sample 22:
+    time = 213500
+    flags = 1
+    data = length 3, hash 4732
+  sample 23:
+    time = 223500
+    flags = 1
+    data = length 3, hash 4732
+  sample 24:
+    time = 233500
+    flags = 1
+    data = length 3, hash 4732
+  sample 25:
+    time = 243500
+    flags = 1
+    data = length 3, hash 4732
+  sample 26:
+    time = 253500
+    flags = 1
+    data = length 3, hash 4732
+  sample 27:
+    time = 263500
+    flags = 1
+    data = length 3, hash 4732
+  sample 28:
+    time = 273500
+    flags = 1
+    data = length 3, hash 4732
+  sample 29:
+    time = 283500
+    flags = 1
+    data = length 3, hash 4732
+  sample 30:
+    time = 293500
+    flags = 1
+    data = length 3, hash 4732
+  sample 31:
+    time = 303500
+    flags = 1
+    data = length 3, hash 4732
+  sample 32:
+    time = 313500
+    flags = 1
+    data = length 3, hash 4732
+  sample 33:
+    time = 323500
+    flags = 1
+    data = length 3, hash 4732
+  sample 34:
+    time = 333500
+    flags = 1
+    data = length 3, hash 4732
+  sample 35:
+    time = 343500
+    flags = 1
+    data = length 3, hash 4732
+  sample 36:
+    time = 353500
+    flags = 1
+    data = length 3, hash 4732
+  sample 37:
+    time = 363500
+    flags = 1
+    data = length 3, hash 4732
+  sample 38:
+    time = 373500
+    flags = 1
+    data = length 3, hash 4732
+  sample 39:
+    time = 383500
+    flags = 1
+    data = length 3, hash 4732
+  sample 40:
+    time = 393500
+    flags = 1
+    data = length 3, hash 4732
+  sample 41:
+    time = 403500
+    flags = 1
+    data = length 3, hash 4732
+  sample 42:
+    time = 413500
+    flags = 1
+    data = length 3, hash 4732
+  sample 43:
+    time = 423500
+    flags = 1
+    data = length 3, hash 4732
+  sample 44:
+    time = 433500
+    flags = 1
+    data = length 3, hash 4732
+  sample 45:
+    time = 443500
+    flags = 1
+    data = length 3, hash 4732
+  sample 46:
+    time = 453500
+    flags = 1
+    data = length 3, hash 4732
+  sample 47:
+    time = 463500
+    flags = 1
+    data = length 3, hash 4732
+  sample 48:
+    time = 473500
+    flags = 1
+    data = length 3, hash 4732
+  sample 49:
+    time = 483500
+    flags = 1
+    data = length 3, hash 4732
+  sample 50:
+    time = 493500
+    flags = 1
+    data = length 3, hash 4732
+  sample 51:
+    time = 503500
+    flags = 1
+    data = length 3, hash 4732
+  sample 52:
+    time = 513499
+    flags = 1
+    data = length 3, hash 4732
+  sample 53:
+    time = 523499
+    flags = 1
+    data = length 3, hash 4732
+  sample 54:
+    time = 533500
+    flags = 1
+    data = length 3, hash 4732
+  sample 55:
+    time = 543500
+    flags = 1
+    data = length 3, hash 4732
+  sample 56:
+    time = 553500
+    flags = 1
+    data = length 3, hash 4732
+  sample 57:
+    time = 563500
+    flags = 1
+    data = length 3, hash 4732
+  sample 58:
+    time = 573500
+    flags = 1
+    data = length 3, hash 4732
+  sample 59:
+    time = 583500
+    flags = 1
+    data = length 3, hash 4732
+  sample 60:
+    time = 593500
+    flags = 1
+    data = length 3, hash 4732
+  sample 61:
+    time = 603500
+    flags = 1
+    data = length 3, hash 4732
+  sample 62:
+    time = 613500
+    flags = 1
+    data = length 3, hash 4732
+  sample 63:
+    time = 623500
+    flags = 1
+    data = length 3, hash 4732
+  sample 64:
+    time = 633500
+    flags = 1
+    data = length 3, hash 4732
+  sample 65:
+    time = 643500
+    flags = 1
+    data = length 3, hash 4732
+  sample 66:
+    time = 653500
+    flags = 1
+    data = length 3, hash 4732
+  sample 67:
+    time = 663500
+    flags = 1
+    data = length 3, hash 4732
+  sample 68:
+    time = 673500
+    flags = 1
+    data = length 3, hash 4732
+  sample 69:
+    time = 683500
+    flags = 1
+    data = length 3, hash 4732
+  sample 70:
+    time = 693500
+    flags = 1
+    data = length 3, hash 4732
+  sample 71:
+    time = 703500
+    flags = 1
+    data = length 3, hash 4732
+  sample 72:
+    time = 713500
+    flags = 1
+    data = length 3, hash 4732
+  sample 73:
+    time = 723500
+    flags = 1
+    data = length 3, hash 4732
+  sample 74:
+    time = 733500
+    flags = 1
+    data = length 3, hash 4732
+  sample 75:
+    time = 743500
+    flags = 1
+    data = length 66, hash 648F0BC5
+  sample 76:
+    time = 753500
+    flags = 1
+    data = length 248, hash D07B1166
+  sample 77:
+    time = 763500
+    flags = 1
+    data = length 239, hash 61AA7E3B
+  sample 78:
+    time = 773500
+    flags = 1
+    data = length 142, hash F01726AD
+  sample 79:
+    time = 783500
+    flags = 1
+    data = length 124, hash 35B50117
+  sample 80:
+    time = 793500
+    flags = 1
+    data = length 122, hash 6ED2EA14
+  sample 81:
+    time = 803500
+    flags = 1
+    data = length 118, hash AAB319C9
+  sample 82:
+    time = 813500
+    flags = 1
+    data = length 117, hash 7B08A466
+  sample 83:
+    time = 823500
+    flags = 1
+    data = length 120, hash AF62F442
+  sample 84:
+    time = 833500
+    flags = 1
+    data = length 120, hash 21A0E5E9
+  sample 85:
+    time = 843500
+    flags = 1
+    data = length 122, hash F191C09
+  sample 86:
+    time = 853500
+    flags = 1
+    data = length 120, hash C52E4F2D
+  sample 87:
+    time = 863500
+    flags = 1
+    data = length 120, hash D4554502
+  sample 88:
+    time = 873500
+    flags = 1
+    data = length 121, hash D4E641CF
+  sample 89:
+    time = 883500
+    flags = 1
+    data = length 123, hash 518700A8
+  sample 90:
+    time = 893500
+    flags = 1
+    data = length 123, hash 6EA13134
+  sample 91:
+    time = 903500
+    flags = 1
+    data = length 123, hash A4264A7B
+  sample 92:
+    time = 913500
+    flags = 1
+    data = length 126, hash 593B6BA5
+  sample 93:
+    time = 923500
+    flags = 1
+    data = length 127, hash 15988F8A
+  sample 94:
+    time = 933500
+    flags = 1
+    data = length 134, hash 165D0213
+  sample 95:
+    time = 943500
+    flags = 1
+    data = length 129, hash 1F5ABD5B
+  sample 96:
+    time = 953500
+    flags = 1
+    data = length 131, hash 65E1E196
+  sample 97:
+    time = 963500
+    flags = 1
+    data = length 128, hash 70A740A1
+  sample 98:
+    time = 973500
+    flags = 1
+    data = length 130, hash 2D3733ED
+  sample 99:
+    time = 983500
+    flags = 1
+    data = length 124, hash 6CC37521
+  sample 100:
+    time = 993500
+    flags = 536870913
+    data = length 129, hash 722253A8
+tracksEnded = true
diff --git a/testdata/src/test/assets/mp4/sample_opus.mp4.1.dump b/testdata/src/test/assets/mp4/sample_opus.mp4.1.dump
new file mode 100644
index 0000000000..d0c0ab1586
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus.mp4.1.dump
@@ -0,0 +1,232 @@
+seekMap:
+  isSeekable = true
+  duration = 1460000
+  getPosition(0) = [[timeUs=0, position=179]]
+  getPosition(1) = [[timeUs=1, position=179]]
+  getPosition(730000) = [[timeUs=730000, position=398]]
+  getPosition(1460000) = [[timeUs=1460000, position=3701]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 3504
+  sample count = 52
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    maxInputSize = 278
+    channelCount = 2
+    sampleRate = 48000
+    language = und
+    metadata = entries=[TSSE: description=null: value=Lavf58.29.100]
+    initializationData:
+      data = length 19, hash 86852AE2
+      data = length 8, hash 72CBCBF5
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 483500
+    flags = 1
+    data = length 3, hash 4732
+  sample 1:
+    time = 493500
+    flags = 1
+    data = length 3, hash 4732
+  sample 2:
+    time = 503500
+    flags = 1
+    data = length 3, hash 4732
+  sample 3:
+    time = 513499
+    flags = 1
+    data = length 3, hash 4732
+  sample 4:
+    time = 523499
+    flags = 1
+    data = length 3, hash 4732
+  sample 5:
+    time = 533500
+    flags = 1
+    data = length 3, hash 4732
+  sample 6:
+    time = 543500
+    flags = 1
+    data = length 3, hash 4732
+  sample 7:
+    time = 553500
+    flags = 1
+    data = length 3, hash 4732
+  sample 8:
+    time = 563500
+    flags = 1
+    data = length 3, hash 4732
+  sample 9:
+    time = 573500
+    flags = 1
+    data = length 3, hash 4732
+  sample 10:
+    time = 583500
+    flags = 1
+    data = length 3, hash 4732
+  sample 11:
+    time = 593500
+    flags = 1
+    data = length 3, hash 4732
+  sample 12:
+    time = 603500
+    flags = 1
+    data = length 3, hash 4732
+  sample 13:
+    time = 613500
+    flags = 1
+    data = length 3, hash 4732
+  sample 14:
+    time = 623500
+    flags = 1
+    data = length 3, hash 4732
+  sample 15:
+    time = 633500
+    flags = 1
+    data = length 3, hash 4732
+  sample 16:
+    time = 643500
+    flags = 1
+    data = length 3, hash 4732
+  sample 17:
+    time = 653500
+    flags = 1
+    data = length 3, hash 4732
+  sample 18:
+    time = 663500
+    flags = 1
+    data = length 3, hash 4732
+  sample 19:
+    time = 673500
+    flags = 1
+    data = length 3, hash 4732
+  sample 20:
+    time = 683500
+    flags = 1
+    data = length 3, hash 4732
+  sample 21:
+    time = 693500
+    flags = 1
+    data = length 3, hash 4732
+  sample 22:
+    time = 703500
+    flags = 1
+    data = length 3, hash 4732
+  sample 23:
+    time = 713500
+    flags = 1
+    data = length 3, hash 4732
+  sample 24:
+    time = 723500
+    flags = 1
+    data = length 3, hash 4732
+  sample 25:
+    time = 733500
+    flags = 1
+    data = length 3, hash 4732
+  sample 26:
+    time = 743500
+    flags = 1
+    data = length 66, hash 648F0BC5
+  sample 27:
+    time = 753500
+    flags = 1
+    data = length 248, hash D07B1166
+  sample 28:
+    time = 763500
+    flags = 1
+    data = length 239, hash 61AA7E3B
+  sample 29:
+    time = 773500
+    flags = 1
+    data = length 142, hash F01726AD
+  sample 30:
+    time = 783500
+    flags = 1
+    data = length 124, hash 35B50117
+  sample 31:
+    time = 793500
+    flags = 1
+    data = length 122, hash 6ED2EA14
+  sample 32:
+    time = 803500
+    flags = 1
+    data = length 118, hash AAB319C9
+  sample 33:
+    time = 813500
+    flags = 1
+    data = length 117, hash 7B08A466
+  sample 34:
+    time = 823500
+    flags = 1
+    data = length 120, hash AF62F442
+  sample 35:
+    time = 833500
+    flags = 1
+    data = length 120, hash 21A0E5E9
+  sample 36:
+    time = 843500
+    flags = 1
+    data = length 122, hash F191C09
+  sample 37:
+    time = 853500
+    flags = 1
+    data = length 120, hash C52E4F2D
+  sample 38:
+    time = 863500
+    flags = 1
+    data = length 120, hash D4554502
+  sample 39:
+    time = 873500
+    flags = 1
+    data = length 121, hash D4E641CF
+  sample 40:
+    time = 883500
+    flags = 1
+    data = length 123, hash 518700A8
+  sample 41:
+    time = 893500
+    flags = 1
+    data = length 123, hash 6EA13134
+  sample 42:
+    time = 903500
+    flags = 1
+    data = length 123, hash A4264A7B
+  sample 43:
+    time = 913500
+    flags = 1
+    data = length 126, hash 593B6BA5
+  sample 44:
+    time = 923500
+    flags = 1
+    data = length 127, hash 15988F8A
+  sample 45:
+    time = 933500
+    flags = 1
+    data = length 134, hash 165D0213
+  sample 46:
+    time = 943500
+    flags = 1
+    data = length 129, hash 1F5ABD5B
+  sample 47:
+    time = 953500
+    flags = 1
+    data = length 131, hash 65E1E196
+  sample 48:
+    time = 963500
+    flags = 1
+    data = length 128, hash 70A740A1
+  sample 49:
+    time = 973500
+    flags = 1
+    data = length 130, hash 2D3733ED
+  sample 50:
+    time = 983500
+    flags = 1
+    data = length 124, hash 6CC37521
+  sample 51:
+    time = 993500
+    flags = 536870913
+    data = length 129, hash 722253A8
+tracksEnded = true
diff --git a/testdata/src/test/assets/mp4/sample_opus.mp4.2.dump b/testdata/src/test/assets/mp4/sample_opus.mp4.2.dump
new file mode 100644
index 0000000000..cc688289e2
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus.mp4.2.dump
@@ -0,0 +1,40 @@
+seekMap:
+  isSeekable = true
+  duration = 1460000
+  getPosition(0) = [[timeUs=0, position=179]]
+  getPosition(1) = [[timeUs=1, position=179]]
+  getPosition(730000) = [[timeUs=730000, position=398]]
+  getPosition(1460000) = [[timeUs=1460000, position=3701]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 511
+  sample count = 4
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    maxInputSize = 278
+    channelCount = 2
+    sampleRate = 48000
+    language = und
+    metadata = entries=[TSSE: description=null: value=Lavf58.29.100]
+    initializationData:
+      data = length 19, hash 86852AE2
+      data = length 8, hash 72CBCBF5
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 963500
+    flags = 1
+    data = length 128, hash 70A740A1
+  sample 1:
+    time = 973500
+    flags = 1
+    data = length 130, hash 2D3733ED
+  sample 2:
+    time = 983500
+    flags = 1
+    data = length 124, hash 6CC37521
+  sample 3:
+    time = 993500
+    flags = 536870913
+    data = length 129, hash 722253A8
+tracksEnded = true
diff --git a/testdata/src/test/assets/mp4/sample_opus.mp4.3.dump b/testdata/src/test/assets/mp4/sample_opus.mp4.3.dump
new file mode 100644
index 0000000000..42e14dbd2d
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus.mp4.3.dump
@@ -0,0 +1,28 @@
+seekMap:
+  isSeekable = true
+  duration = 1460000
+  getPosition(0) = [[timeUs=0, position=179]]
+  getPosition(1) = [[timeUs=1, position=179]]
+  getPosition(730000) = [[timeUs=730000, position=398]]
+  getPosition(1460000) = [[timeUs=1460000, position=3701]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 129
+  sample count = 1
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    maxInputSize = 278
+    channelCount = 2
+    sampleRate = 48000
+    language = und
+    metadata = entries=[TSSE: description=null: value=Lavf58.29.100]
+    initializationData:
+      data = length 19, hash 86852AE2
+      data = length 8, hash 72CBCBF5
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 993500
+    flags = 536870913
+    data = length 129, hash 722253A8
+tracksEnded = true
diff --git a/testdata/src/test/assets/mp4/sample_opus.mp4.unknown_length.dump b/testdata/src/test/assets/mp4/sample_opus.mp4.unknown_length.dump
new file mode 100644
index 0000000000..f9c1539402
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus.mp4.unknown_length.dump
@@ -0,0 +1,428 @@
+seekMap:
+  isSeekable = true
+  duration = 1460000
+  getPosition(0) = [[timeUs=0, position=179]]
+  getPosition(1) = [[timeUs=1, position=179]]
+  getPosition(730000) = [[timeUs=730000, position=398]]
+  getPosition(1460000) = [[timeUs=1460000, position=3701]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 3651
+  sample count = 101
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    maxInputSize = 278
+    channelCount = 2
+    sampleRate = 48000
+    language = und
+    metadata = entries=[TSSE: description=null: value=Lavf58.29.100]
+    initializationData:
+      data = length 19, hash 86852AE2
+      data = length 8, hash 72CBCBF5
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 0
+    flags = 1
+    data = length 3, hash 4732
+  sample 1:
+    time = 3500
+    flags = 1
+    data = length 3, hash 4732
+  sample 2:
+    time = 13500
+    flags = 1
+    data = length 3, hash 4732
+  sample 3:
+    time = 23500
+    flags = 1
+    data = length 3, hash 4732
+  sample 4:
+    time = 33500
+    flags = 1
+    data = length 3, hash 4732
+  sample 5:
+    time = 43500
+    flags = 1
+    data = length 3, hash 4732
+  sample 6:
+    time = 53500
+    flags = 1
+    data = length 3, hash 4732
+  sample 7:
+    time = 63500
+    flags = 1
+    data = length 3, hash 4732
+  sample 8:
+    time = 73500
+    flags = 1
+    data = length 3, hash 4732
+  sample 9:
+    time = 83500
+    flags = 1
+    data = length 3, hash 4732
+  sample 10:
+    time = 93500
+    flags = 1
+    data = length 3, hash 4732
+  sample 11:
+    time = 103500
+    flags = 1
+    data = length 3, hash 4732
+  sample 12:
+    time = 113500
+    flags = 1
+    data = length 3, hash 4732
+  sample 13:
+    time = 123500
+    flags = 1
+    data = length 3, hash 4732
+  sample 14:
+    time = 133500
+    flags = 1
+    data = length 3, hash 4732
+  sample 15:
+    time = 143500
+    flags = 1
+    data = length 3, hash 4732
+  sample 16:
+    time = 153500
+    flags = 1
+    data = length 3, hash 4732
+  sample 17:
+    time = 163500
+    flags = 1
+    data = length 3, hash 4732
+  sample 18:
+    time = 173500
+    flags = 1
+    data = length 3, hash 4732
+  sample 19:
+    time = 183500
+    flags = 1
+    data = length 3, hash 4732
+  sample 20:
+    time = 193500
+    flags = 1
+    data = length 3, hash 4732
+  sample 21:
+    time = 203500
+    flags = 1
+    data = length 3, hash 4732
+  sample 22:
+    time = 213500
+    flags = 1
+    data = length 3, hash 4732
+  sample 23:
+    time = 223500
+    flags = 1
+    data = length 3, hash 4732
+  sample 24:
+    time = 233500
+    flags = 1
+    data = length 3, hash 4732
+  sample 25:
+    time = 243500
+    flags = 1
+    data = length 3, hash 4732
+  sample 26:
+    time = 253500
+    flags = 1
+    data = length 3, hash 4732
+  sample 27:
+    time = 263500
+    flags = 1
+    data = length 3, hash 4732
+  sample 28:
+    time = 273500
+    flags = 1
+    data = length 3, hash 4732
+  sample 29:
+    time = 283500
+    flags = 1
+    data = length 3, hash 4732
+  sample 30:
+    time = 293500
+    flags = 1
+    data = length 3, hash 4732
+  sample 31:
+    time = 303500
+    flags = 1
+    data = length 3, hash 4732
+  sample 32:
+    time = 313500
+    flags = 1
+    data = length 3, hash 4732
+  sample 33:
+    time = 323500
+    flags = 1
+    data = length 3, hash 4732
+  sample 34:
+    time = 333500
+    flags = 1
+    data = length 3, hash 4732
+  sample 35:
+    time = 343500
+    flags = 1
+    data = length 3, hash 4732
+  sample 36:
+    time = 353500
+    flags = 1
+    data = length 3, hash 4732
+  sample 37:
+    time = 363500
+    flags = 1
+    data = length 3, hash 4732
+  sample 38:
+    time = 373500
+    flags = 1
+    data = length 3, hash 4732
+  sample 39:
+    time = 383500
+    flags = 1
+    data = length 3, hash 4732
+  sample 40:
+    time = 393500
+    flags = 1
+    data = length 3, hash 4732
+  sample 41:
+    time = 403500
+    flags = 1
+    data = length 3, hash 4732
+  sample 42:
+    time = 413500
+    flags = 1
+    data = length 3, hash 4732
+  sample 43:
+    time = 423500
+    flags = 1
+    data = length 3, hash 4732
+  sample 44:
+    time = 433500
+    flags = 1
+    data = length 3, hash 4732
+  sample 45:
+    time = 443500
+    flags = 1
+    data = length 3, hash 4732
+  sample 46:
+    time = 453500
+    flags = 1
+    data = length 3, hash 4732
+  sample 47:
+    time = 463500
+    flags = 1
+    data = length 3, hash 4732
+  sample 48:
+    time = 473500
+    flags = 1
+    data = length 3, hash 4732
+  sample 49:
+    time = 483500
+    flags = 1
+    data = length 3, hash 4732
+  sample 50:
+    time = 493500
+    flags = 1
+    data = length 3, hash 4732
+  sample 51:
+    time = 503500
+    flags = 1
+    data = length 3, hash 4732
+  sample 52:
+    time = 513499
+    flags = 1
+    data = length 3, hash 4732
+  sample 53:
+    time = 523499
+    flags = 1
+    data = length 3, hash 4732
+  sample 54:
+    time = 533500
+    flags = 1
+    data = length 3, hash 4732
+  sample 55:
+    time = 543500
+    flags = 1
+    data = length 3, hash 4732
+  sample 56:
+    time = 553500
+    flags = 1
+    data = length 3, hash 4732
+  sample 57:
+    time = 563500
+    flags = 1
+    data = length 3, hash 4732
+  sample 58:
+    time = 573500
+    flags = 1
+    data = length 3, hash 4732
+  sample 59:
+    time = 583500
+    flags = 1
+    data = length 3, hash 4732
+  sample 60:
+    time = 593500
+    flags = 1
+    data = length 3, hash 4732
+  sample 61:
+    time = 603500
+    flags = 1
+    data = length 3, hash 4732
+  sample 62:
+    time = 613500
+    flags = 1
+    data = length 3, hash 4732
+  sample 63:
+    time = 623500
+    flags = 1
+    data = length 3, hash 4732
+  sample 64:
+    time = 633500
+    flags = 1
+    data = length 3, hash 4732
+  sample 65:
+    time = 643500
+    flags = 1
+    data = length 3, hash 4732
+  sample 66:
+    time = 653500
+    flags = 1
+    data = length 3, hash 4732
+  sample 67:
+    time = 663500
+    flags = 1
+    data = length 3, hash 4732
+  sample 68:
+    time = 673500
+    flags = 1
+    data = length 3, hash 4732
+  sample 69:
+    time = 683500
+    flags = 1
+    data = length 3, hash 4732
+  sample 70:
+    time = 693500
+    flags = 1
+    data = length 3, hash 4732
+  sample 71:
+    time = 703500
+    flags = 1
+    data = length 3, hash 4732
+  sample 72:
+    time = 713500
+    flags = 1
+    data = length 3, hash 4732
+  sample 73:
+    time = 723500
+    flags = 1
+    data = length 3, hash 4732
+  sample 74:
+    time = 733500
+    flags = 1
+    data = length 3, hash 4732
+  sample 75:
+    time = 743500
+    flags = 1
+    data = length 66, hash 648F0BC5
+  sample 76:
+    time = 753500
+    flags = 1
+    data = length 248, hash D07B1166
+  sample 77:
+    time = 763500
+    flags = 1
+    data = length 239, hash 61AA7E3B
+  sample 78:
+    time = 773500
+    flags = 1
+    data = length 142, hash F01726AD
+  sample 79:
+    time = 783500
+    flags = 1
+    data = length 124, hash 35B50117
+  sample 80:
+    time = 793500
+    flags = 1
+    data = length 122, hash 6ED2EA14
+  sample 81:
+    time = 803500
+    flags = 1
+    data = length 118, hash AAB319C9
+  sample 82:
+    time = 813500
+    flags = 1
+    data = length 117, hash 7B08A466
+  sample 83:
+    time = 823500
+    flags = 1
+    data = length 120, hash AF62F442
+  sample 84:
+    time = 833500
+    flags = 1
+    data = length 120, hash 21A0E5E9
+  sample 85:
+    time = 843500
+    flags = 1
+    data = length 122, hash F191C09
+  sample 86:
+    time = 853500
+    flags = 1
+    data = length 120, hash C52E4F2D
+  sample 87:
+    time = 863500
+    flags = 1
+    data = length 120, hash D4554502
+  sample 88:
+    time = 873500
+    flags = 1
+    data = length 121, hash D4E641CF
+  sample 89:
+    time = 883500
+    flags = 1
+    data = length 123, hash 518700A8
+  sample 90:
+    time = 893500
+    flags = 1
+    data = length 123, hash 6EA13134
+  sample 91:
+    time = 903500
+    flags = 1
+    data = length 123, hash A4264A7B
+  sample 92:
+    time = 913500
+    flags = 1
+    data = length 126, hash 593B6BA5
+  sample 93:
+    time = 923500
+    flags = 1
+    data = length 127, hash 15988F8A
+  sample 94:
+    time = 933500
+    flags = 1
+    data = length 134, hash 165D0213
+  sample 95:
+    time = 943500
+    flags = 1
+    data = length 129, hash 1F5ABD5B
+  sample 96:
+    time = 953500
+    flags = 1
+    data = length 131, hash 65E1E196
+  sample 97:
+    time = 963500
+    flags = 1
+    data = length 128, hash 70A740A1
+  sample 98:
+    time = 973500
+    flags = 1
+    data = length 130, hash 2D3733ED
+  sample 99:
+    time = 983500
+    flags = 1
+    data = length 124, hash 6CC37521
+  sample 100:
+    time = 993500
+    flags = 536870913
+    data = length 129, hash 722253A8
+tracksEnded = true
diff --git a/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4 b/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4
new file mode 100644
index 0000000000..7195ed1a7f
Binary files /dev/null and b/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4 differ
diff --git a/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4.0.dump b/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4.0.dump
new file mode 100644
index 0000000000..4f1fb74586
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4.0.dump
@@ -0,0 +1,1019 @@
+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=564]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 81637
+  sample count = 250
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    channelCount = 2
+    sampleRate = 16000
+    language = 
+    initializationData:
+      data = length 19, hash 4034F23B
+      data = length 8, hash 94446F01
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 0
+    flags = 1
+    data = length 326, hash ECC9FF90
+  sample 1:
+    time = 10000
+    flags = 1
+    data = length 326, hash B041EAAC
+  sample 2:
+    time = 20000
+    flags = 1
+    data = length 326, hash 3DBE1591
+  sample 3:
+    time = 30000
+    flags = 1
+    data = length 326, hash CE60149B
+  sample 4:
+    time = 40000
+    flags = 1
+    data = length 326, hash 6F04DA9
+  sample 5:
+    time = 50000
+    flags = 1
+    data = length 326, hash 4E221218
+  sample 6:
+    time = 60000
+    flags = 1
+    data = length 326, hash 659C80D8
+  sample 7:
+    time = 70000
+    flags = 1
+    data = length 326, hash E27BB70F
+  sample 8:
+    time = 80000
+    flags = 1
+    data = length 326, hash 3ACDE8E7
+  sample 9:
+    time = 90000
+    flags = 1
+    data = length 326, hash 1FFB9BDA
+  sample 10:
+    time = 100000
+    flags = 1
+    data = length 326, hash 133E65A0
+  sample 11:
+    time = 110000
+    flags = 1
+    data = length 326, hash 4216F22F
+  sample 12:
+    time = 120000
+    flags = 1
+    data = length 326, hash 9142C06
+  sample 13:
+    time = 130000
+    flags = 1
+    data = length 326, hash DF393C06
+  sample 14:
+    time = 140000
+    flags = 1
+    data = length 326, hash E062DBFA
+  sample 15:
+    time = 150000
+    flags = 1
+    data = length 326, hash 5342554C
+  sample 16:
+    time = 160000
+    flags = 1
+    data = length 326, hash 7FE3D513
+  sample 17:
+    time = 170000
+    flags = 1
+    data = length 326, hash A4961659
+  sample 18:
+    time = 180000
+    flags = 1
+    data = length 326, hash 1ADC8A22
+  sample 19:
+    time = 190000
+    flags = 1
+    data = length 326, hash 687C8DD5
+  sample 20:
+    time = 200000
+    flags = 1
+    data = length 326, hash B29283
+  sample 21:
+    time = 210000
+    flags = 1
+    data = length 326, hash 4D5CFDF4
+  sample 22:
+    time = 220000
+    flags = 1
+    data = length 326, hash D95E1184
+  sample 23:
+    time = 230000
+    flags = 1
+    data = length 326, hash 5FEDC88C
+  sample 24:
+    time = 240000
+    flags = 1
+    data = length 326, hash 33FAB6DC
+  sample 25:
+    time = 250000
+    flags = 1
+    data = length 326, hash CEAA63EC
+  sample 26:
+    time = 260000
+    flags = 1
+    data = length 326, hash E02FF364
+  sample 27:
+    time = 270000
+    flags = 1
+    data = length 326, hash E6E2E53F
+  sample 28:
+    time = 280000
+    flags = 1
+    data = length 326, hash 35154DBF
+  sample 29:
+    time = 290000
+    flags = 1
+    data = length 326, hash 595B194B
+  sample 30:
+    time = 300000
+    flags = 1
+    data = length 326, hash ADD13EB0
+  sample 31:
+    time = 310000
+    flags = 1
+    data = length 326, hash A3B2C3CF
+  sample 32:
+    time = 320000
+    flags = 1
+    data = length 326, hash A93847A3
+  sample 33:
+    time = 330000
+    flags = 1
+    data = length 326, hash F0E150D9
+  sample 34:
+    time = 340000
+    flags = 1
+    data = length 326, hash EB671D2B
+  sample 35:
+    time = 350000
+    flags = 1
+    data = length 326, hash A6D5875
+  sample 36:
+    time = 360000
+    flags = 1
+    data = length 326, hash A417F89D
+  sample 37:
+    time = 370000
+    flags = 1
+    data = length 326, hash BFDE9CD6
+  sample 38:
+    time = 380000
+    flags = 1
+    data = length 326, hash D6C5E0D9
+  sample 39:
+    time = 390000
+    flags = 1
+    data = length 326, hash 80BB14DB
+  sample 40:
+    time = 400000
+    flags = 1
+    data = length 326, hash 2E79E0D5
+  sample 41:
+    time = 410000
+    flags = 1
+    data = length 326, hash 8964BAB4
+  sample 42:
+    time = 420000
+    flags = 1
+    data = length 326, hash 4F439BE4
+  sample 43:
+    time = 430000
+    flags = 1
+    data = length 326, hash 92DBC089
+  sample 44:
+    time = 440000
+    flags = 1
+    data = length 326, hash 73614C9
+  sample 45:
+    time = 450000
+    flags = 1
+    data = length 326, hash 908631AA
+  sample 46:
+    time = 460000
+    flags = 1
+    data = length 326, hash ED49A6D4
+  sample 47:
+    time = 470000
+    flags = 1
+    data = length 326, hash B70E3393
+  sample 48:
+    time = 480000
+    flags = 1
+    data = length 326, hash 7D392160
+  sample 49:
+    time = 490000
+    flags = 1
+    data = length 326, hash 77957DEE
+  sample 50:
+    time = 500000
+    flags = 1
+    data = length 326, hash 42582970
+  sample 51:
+    time = 510000
+    flags = 1
+    data = length 326, hash BEEEECBE
+  sample 52:
+    time = 520000
+    flags = 1
+    data = length 326, hash 43BD23B8
+  sample 53:
+    time = 530000
+    flags = 1
+    data = length 326, hash A72E6AE9
+  sample 54:
+    time = 540000
+    flags = 1
+    data = length 326, hash 71A5E822
+  sample 55:
+    time = 550000
+    flags = 1
+    data = length 326, hash F0FCFB9E
+  sample 56:
+    time = 560000
+    flags = 1
+    data = length 326, hash 955628EC
+  sample 57:
+    time = 570000
+    flags = 1
+    data = length 326, hash 29EC8061
+  sample 58:
+    time = 580000
+    flags = 1
+    data = length 326, hash F4010F62
+  sample 59:
+    time = 590000
+    flags = 1
+    data = length 326, hash A0A3E80F
+  sample 60:
+    time = 600000
+    flags = 1
+    data = length 326, hash 87DB9495
+  sample 61:
+    time = 610000
+    flags = 1
+    data = length 326, hash 51012496
+  sample 62:
+    time = 620000
+    flags = 1
+    data = length 326, hash 8C8A5E6E
+  sample 63:
+    time = 630000
+    flags = 1
+    data = length 326, hash 61ECD20B
+  sample 64:
+    time = 640000
+    flags = 1
+    data = length 326, hash C8C6E306
+  sample 65:
+    time = 650000
+    flags = 1
+    data = length 327, hash A964C1EB
+  sample 66:
+    time = 660000
+    flags = 1
+    data = length 325, hash 752AE0E6
+  sample 67:
+    time = 670000
+    flags = 1
+    data = length 326, hash A823251B
+  sample 68:
+    time = 680000
+    flags = 1
+    data = length 326, hash 397840E0
+  sample 69:
+    time = 690000
+    flags = 1
+    data = length 326, hash 5913B4DA
+  sample 70:
+    time = 700000
+    flags = 1
+    data = length 326, hash BC5046E3
+  sample 71:
+    time = 710000
+    flags = 1
+    data = length 326, hash 77F42650
+  sample 72:
+    time = 720000
+    flags = 1
+    data = length 326, hash 2AF70D91
+  sample 73:
+    time = 730000
+    flags = 1
+    data = length 326, hash 7E736444
+  sample 74:
+    time = 740000
+    flags = 1
+    data = length 326, hash 74DE6BFC
+  sample 75:
+    time = 750000
+    flags = 1
+    data = length 326, hash C8D036DD
+  sample 76:
+    time = 760000
+    flags = 1
+    data = length 326, hash 85E61A08
+  sample 77:
+    time = 770000
+    flags = 1
+    data = length 326, hash 83C08838
+  sample 78:
+    time = 780000
+    flags = 1
+    data = length 326, hash 8C1F745A
+  sample 79:
+    time = 790000
+    flags = 1
+    data = length 326, hash 53097623
+  sample 80:
+    time = 800000
+    flags = 1
+    data = length 326, hash 5072DCD5
+  sample 81:
+    time = 810000
+    flags = 1
+    data = length 326, hash 865B8C61
+  sample 82:
+    time = 820000
+    flags = 1
+    data = length 326, hash C1D25AE1
+  sample 83:
+    time = 830000
+    flags = 1
+    data = length 326, hash DE2FA734
+  sample 84:
+    time = 840000
+    flags = 1
+    data = length 326, hash 134D37F4
+  sample 85:
+    time = 850000
+    flags = 1
+    data = length 326, hash BBAFEE2F
+  sample 86:
+    time = 860000
+    flags = 1
+    data = length 326, hash 44166A38
+  sample 87:
+    time = 870000
+    flags = 1
+    data = length 326, hash CE3592C0
+  sample 88:
+    time = 880000
+    flags = 1
+    data = length 326, hash 2F8BCB1B
+  sample 89:
+    time = 890000
+    flags = 1
+    data = length 326, hash 6EB0EE92
+  sample 90:
+    time = 900000
+    flags = 1
+    data = length 326, hash 26193E23
+  sample 91:
+    time = 910000
+    flags = 1
+    data = length 326, hash D9CC82FC
+  sample 92:
+    time = 920000
+    flags = 1
+    data = length 326, hash 72A71B6
+  sample 93:
+    time = 930000
+    flags = 1
+    data = length 326, hash 36D24EDA
+  sample 94:
+    time = 940000
+    flags = 1
+    data = length 326, hash 8CD8720A
+  sample 95:
+    time = 950000
+    flags = 1
+    data = length 326, hash 796DFD09
+  sample 96:
+    time = 960000
+    flags = 1
+    data = length 326, hash 2B300470
+  sample 97:
+    time = 970000
+    flags = 1
+    data = length 326, hash 5C224F72
+  sample 98:
+    time = 980000
+    flags = 1
+    data = length 326, hash DFCD788E
+  sample 99:
+    time = 990000
+    flags = 1
+    data = length 326, hash AD0EE96B
+  sample 100:
+    time = 1000000
+    flags = 1
+    data = length 336, hash 812F4581
+  sample 101:
+    time = 1010000
+    flags = 1
+    data = length 339, hash 7B767693
+  sample 102:
+    time = 1020000
+    flags = 1
+    data = length 335, hash 4D8D2DEA
+  sample 103:
+    time = 1030000
+    flags = 1
+    data = length 319, hash D6E65FC3
+  sample 104:
+    time = 1040000
+    flags = 1
+    data = length 337, hash 7EDAC403
+  sample 105:
+    time = 1050000
+    flags = 1
+    data = length 341, hash 9D6A1808
+  sample 106:
+    time = 1060000
+    flags = 1
+    data = length 321, hash C592CA8E
+  sample 107:
+    time = 1070000
+    flags = 1
+    data = length 315, hash 6F70ED6D
+  sample 108:
+    time = 1080000
+    flags = 1
+    data = length 303, hash 84BF23D4
+  sample 109:
+    time = 1090000
+    flags = 1
+    data = length 314, hash 6FF921D2
+  sample 110:
+    time = 1100000
+    flags = 1
+    data = length 326, hash C5CDBC78
+  sample 111:
+    time = 1110000
+    flags = 1
+    data = length 326, hash C1DC417A
+  sample 112:
+    time = 1120000
+    flags = 1
+    data = length 326, hash 1C12B6D8
+  sample 113:
+    time = 1130000
+    flags = 1
+    data = length 326, hash A7A8F4EF
+  sample 114:
+    time = 1140000
+    flags = 1
+    data = length 326, hash 46AF466
+  sample 115:
+    time = 1150000
+    flags = 1
+    data = length 326, hash 7DC33E91
+  sample 116:
+    time = 1160000
+    flags = 1
+    data = length 326, hash 14FD7EE3
+  sample 117:
+    time = 1170000
+    flags = 1
+    data = length 343, hash C81AA63
+  sample 118:
+    time = 1180000
+    flags = 1
+    data = length 337, hash 10348132
+  sample 119:
+    time = 1190000
+    flags = 1
+    data = length 324, hash 5039A7BF
+  sample 120:
+    time = 1200000
+    flags = 1
+    data = length 335, hash 7C13047E
+  sample 121:
+    time = 1210000
+    flags = 1
+    data = length 324, hash 86784B79
+  sample 122:
+    time = 1220000
+    flags = 1
+    data = length 358, hash 2F2E80E4
+  sample 123:
+    time = 1230000
+    flags = 1
+    data = length 345, hash B18584BD
+  sample 124:
+    time = 1240000
+    flags = 1
+    data = length 330, hash C817AA1A
+  sample 125:
+    time = 1250000
+    flags = 1
+    data = length 321, hash 4B1B165A
+  sample 126:
+    time = 1260000
+    flags = 1
+    data = length 336, hash 412253B8
+  sample 127:
+    time = 1270000
+    flags = 1
+    data = length 332, hash FD1EAC64
+  sample 128:
+    time = 1280000
+    flags = 1
+    data = length 334, hash 9E814A17
+  sample 129:
+    time = 1290000
+    flags = 1
+    data = length 321, hash 6A723041
+  sample 130:
+    time = 1300000
+    flags = 1
+    data = length 333, hash AF5E2A13
+  sample 131:
+    time = 1310000
+    flags = 1
+    data = length 332, hash C8DC1D61
+  sample 132:
+    time = 1320000
+    flags = 1
+    data = length 345, hash 269EDF4
+  sample 133:
+    time = 1330000
+    flags = 1
+    data = length 355, hash 14625CB5
+  sample 134:
+    time = 1340000
+    flags = 1
+    data = length 342, hash 6F45840D
+  sample 135:
+    time = 1350000
+    flags = 1
+    data = length 341, hash 72AEBC16
+  sample 136:
+    time = 1360000
+    flags = 1
+    data = length 317, hash 9F7FEC24
+  sample 137:
+    time = 1370000
+    flags = 1
+    data = length 349, hash 7CD57187
+  sample 138:
+    time = 1380000
+    flags = 1
+    data = length 345, hash 9CDC475E
+  sample 139:
+    time = 1390000
+    flags = 1
+    data = length 348, hash B73A1C36
+  sample 140:
+    time = 1400000
+    flags = 1
+    data = length 358, hash 37D19B
+  sample 141:
+    time = 1410000
+    flags = 1
+    data = length 350, hash 2238BB83
+  sample 142:
+    time = 1420000
+    flags = 1
+    data = length 334, hash 350DF51D
+  sample 143:
+    time = 1430000
+    flags = 1
+    data = length 338, hash 60CE5942
+  sample 144:
+    time = 1440000
+    flags = 1
+    data = length 317, hash 2DCBBC2F
+  sample 145:
+    time = 1450000
+    flags = 1
+    data = length 307, hash C67D43FB
+  sample 146:
+    time = 1460000
+    flags = 1
+    data = length 343, hash 807EBA32
+  sample 147:
+    time = 1470000
+    flags = 1
+    data = length 337, hash AD9764BE
+  sample 148:
+    time = 1480000
+    flags = 1
+    data = length 326, hash 5BBF2D25
+  sample 149:
+    time = 1490000
+    flags = 1
+    data = length 326, hash 2F0186AA
+  sample 150:
+    time = 1500000
+    flags = 1
+    data = length 326, hash 8550A008
+  sample 151:
+    time = 1510000
+    flags = 1
+    data = length 326, hash 548FBE7A
+  sample 152:
+    time = 1520000
+    flags = 1
+    data = length 326, hash 587D19C2
+  sample 153:
+    time = 1530000
+    flags = 1
+    data = length 326, hash BE3157BA
+  sample 154:
+    time = 1540000
+    flags = 1
+    data = length 326, hash CE358311
+  sample 155:
+    time = 1550000
+    flags = 1
+    data = length 326, hash 9F63610C
+  sample 156:
+    time = 1560000
+    flags = 1
+    data = length 326, hash 166C76E3
+  sample 157:
+    time = 1570000
+    flags = 1
+    data = length 324, hash DD8830DB
+  sample 158:
+    time = 1580000
+    flags = 1
+    data = length 328, hash 95BFDBE
+  sample 159:
+    time = 1590000
+    flags = 1
+    data = length 326, hash 859713E2
+  sample 160:
+    time = 1600000
+    flags = 1
+    data = length 326, hash A1D14AE4
+  sample 161:
+    time = 1610000
+    flags = 1
+    data = length 326, hash 3AD13AFC
+  sample 162:
+    time = 1620000
+    flags = 1
+    data = length 326, hash 3EACF164
+  sample 163:
+    time = 1630000
+    flags = 1
+    data = length 326, hash CF42F132
+  sample 164:
+    time = 1640000
+    flags = 1
+    data = length 326, hash A1CBE4F2
+  sample 165:
+    time = 1650000
+    flags = 1
+    data = length 326, hash D4EEE23E
+  sample 166:
+    time = 1660000
+    flags = 1
+    data = length 326, hash 6CF8758E
+  sample 167:
+    time = 1670000
+    flags = 1
+    data = length 326, hash DE1AECC0
+  sample 168:
+    time = 1680000
+    flags = 1
+    data = length 326, hash B41D28EC
+  sample 169:
+    time = 1690000
+    flags = 1
+    data = length 326, hash F67E91D9
+  sample 170:
+    time = 1700000
+    flags = 1
+    data = length 326, hash 7EE6CFF4
+  sample 171:
+    time = 1710000
+    flags = 1
+    data = length 326, hash D349B8F7
+  sample 172:
+    time = 1720000
+    flags = 1
+    data = length 326, hash 996EAE7
+  sample 173:
+    time = 1730000
+    flags = 1
+    data = length 326, hash BB666B7B
+  sample 174:
+    time = 1740000
+    flags = 1
+    data = length 326, hash DC59B61F
+  sample 175:
+    time = 1750000
+    flags = 1
+    data = length 326, hash ED75555F
+  sample 176:
+    time = 1760000
+    flags = 1
+    data = length 326, hash E934CD31
+  sample 177:
+    time = 1770000
+    flags = 1
+    data = length 326, hash C4A0F88D
+  sample 178:
+    time = 1780000
+    flags = 1
+    data = length 326, hash EF60D35
+  sample 179:
+    time = 1790000
+    flags = 1
+    data = length 326, hash 89D0C6FD
+  sample 180:
+    time = 1800000
+    flags = 1
+    data = length 326, hash A8065459
+  sample 181:
+    time = 1810000
+    flags = 1
+    data = length 319, hash DA5BE3EB
+  sample 182:
+    time = 1820000
+    flags = 1
+    data = length 301, hash 781565E7
+  sample 183:
+    time = 1830000
+    flags = 1
+    data = length 324, hash 453B347D
+  sample 184:
+    time = 1840000
+    flags = 1
+    data = length 344, hash AEFF20B2
+  sample 185:
+    time = 1850000
+    flags = 1
+    data = length 342, hash 98E8532B
+  sample 186:
+    time = 1860000
+    flags = 1
+    data = length 326, hash 56CD6CC3
+  sample 187:
+    time = 1870000
+    flags = 1
+    data = length 299, hash 8966DB
+  sample 188:
+    time = 1880000
+    flags = 1
+    data = length 295, hash 398A2974
+  sample 189:
+    time = 1890000
+    flags = 1
+    data = length 320, hash 3312D070
+  sample 190:
+    time = 1900000
+    flags = 1
+    data = length 338, hash BBCD81BA
+  sample 191:
+    time = 1910000
+    flags = 1
+    data = length 336, hash E0C58ECC
+  sample 192:
+    time = 1920000
+    flags = 1
+    data = length 325, hash AEF16A96
+  sample 193:
+    time = 1930000
+    flags = 1
+    data = length 350, hash 4C509E69
+  sample 194:
+    time = 1940000
+    flags = 1
+    data = length 344, hash DC402A4
+  sample 195:
+    time = 1950000
+    flags = 1
+    data = length 327, hash 1318C437
+  sample 196:
+    time = 1960000
+    flags = 1
+    data = length 316, hash A36FB835
+  sample 197:
+    time = 1970000
+    flags = 1
+    data = length 330, hash E2EFF591
+  sample 198:
+    time = 1980000
+    flags = 1
+    data = length 312, hash F67E05AF
+  sample 199:
+    time = 1990000
+    flags = 1
+    data = length 332, hash 93136C32
+  sample 200:
+    time = 2000000
+    flags = 1
+    data = length 340, hash 4AA7608A
+  sample 201:
+    time = 2010000
+    flags = 1
+    data = length 326, hash D3A44734
+  sample 202:
+    time = 2020000
+    flags = 1
+    data = length 323, hash 61A8A104
+  sample 203:
+    time = 2030000
+    flags = 1
+    data = length 317, hash 3C1D786D
+  sample 204:
+    time = 2040000
+    flags = 1
+    data = length 310, hash F5322F60
+  sample 205:
+    time = 2050000
+    flags = 1
+    data = length 320, hash 442CD2EC
+  sample 206:
+    time = 2060000
+    flags = 1
+    data = length 326, hash 76E93566
+  sample 207:
+    time = 2070000
+    flags = 1
+    data = length 360, hash F9977B24
+  sample 208:
+    time = 2080000
+    flags = 1
+    data = length 326, hash 1881F6EF
+  sample 209:
+    time = 2090000
+    flags = 1
+    data = length 326, hash D75687AB
+  sample 210:
+    time = 2100000
+    flags = 1
+    data = length 315, hash 533A1DA7
+  sample 211:
+    time = 2110000
+    flags = 1
+    data = length 304, hash 38E382E7
+  sample 212:
+    time = 2120000
+    flags = 1
+    data = length 328, hash 4C675814
+  sample 213:
+    time = 2130000
+    flags = 1
+    data = length 312, hash 1E1BDC5C
+  sample 214:
+    time = 2140000
+    flags = 1
+    data = length 298, hash C7456FFC
+  sample 215:
+    time = 2150000
+    flags = 1
+    data = length 293, hash 84FD8E23
+  sample 216:
+    time = 2160000
+    flags = 1
+    data = length 312, hash 4FC32BF6
+  sample 217:
+    time = 2170000
+    flags = 1
+    data = length 303, hash 908B7478
+  sample 218:
+    time = 2180000
+    flags = 1
+    data = length 316, hash 704860D
+  sample 219:
+    time = 2190000
+    flags = 1
+    data = length 328, hash B62E6465
+  sample 220:
+    time = 2200000
+    flags = 1
+    data = length 330, hash 5B6B17AE
+  sample 221:
+    time = 2210000
+    flags = 1
+    data = length 326, hash 87514738
+  sample 222:
+    time = 2220000
+    flags = 1
+    data = length 325, hash B0D3AA65
+  sample 223:
+    time = 2230000
+    flags = 1
+    data = length 344, hash D70C0C14
+  sample 224:
+    time = 2240000
+    flags = 1
+    data = length 359, hash E2416115
+  sample 225:
+    time = 2250000
+    flags = 1
+    data = length 353, hash 359E8F1D
+  sample 226:
+    time = 2260000
+    flags = 1
+    data = length 351, hash 89FFD6C8
+  sample 227:
+    time = 2270000
+    flags = 1
+    data = length 346, hash 6F4E6C8B
+  sample 228:
+    time = 2280000
+    flags = 1
+    data = length 341, hash 3DB3864B
+  sample 229:
+    time = 2290000
+    flags = 1
+    data = length 336, hash 82AEE005
+  sample 230:
+    time = 2300000
+    flags = 1
+    data = length 326, hash 8115A41A
+  sample 231:
+    time = 2310000
+    flags = 1
+    data = length 326, hash D7675B30
+  sample 232:
+    time = 2320000
+    flags = 1
+    data = length 326, hash 529C1134
+  sample 233:
+    time = 2330000
+    flags = 1
+    data = length 326, hash 30E917D7
+  sample 234:
+    time = 2340000
+    flags = 1
+    data = length 326, hash A0C5BBB5
+  sample 235:
+    time = 2350000
+    flags = 1
+    data = length 325, hash A1703C7F
+  sample 236:
+    time = 2360000
+    flags = 1
+    data = length 315, hash 443DC04E
+  sample 237:
+    time = 2370000
+    flags = 1
+    data = length 320, hash 3975FFC4
+  sample 238:
+    time = 2380000
+    flags = 1
+    data = length 324, hash 4F5CFD58
+  sample 239:
+    time = 2390000
+    flags = 1
+    data = length 321, hash BF9A6611
+  sample 240:
+    time = 2400000
+    flags = 1
+    data = length 330, hash B238370E
+  sample 241:
+    time = 2410000
+    flags = 1
+    data = length 321, hash 98A77876
+  sample 242:
+    time = 2420000
+    flags = 1
+    data = length 312, hash 3E6ACD6C
+  sample 243:
+    time = 2430000
+    flags = 1
+    data = length 318, hash FA97020A
+  sample 244:
+    time = 2440000
+    flags = 1
+    data = length 311, hash 8A101DFA
+  sample 245:
+    time = 2450000
+    flags = 1
+    data = length 310, hash C892E017
+  sample 246:
+    time = 2460000
+    flags = 1
+    data = length 306, hash C088A2D3
+  sample 247:
+    time = 2470000
+    flags = 1
+    data = length 292, hash 9C2757C6
+  sample 248:
+    time = 2480000
+    flags = 1
+    data = length 291, hash 656B9B94
+  sample 249:
+    time = 2490000
+    flags = 1
+    data = length 306, hash 18C812
+tracksEnded = true
diff --git a/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4.unknown_length.dump b/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4.unknown_length.dump
new file mode 100644
index 0000000000..4f1fb74586
--- /dev/null
+++ b/testdata/src/test/assets/mp4/sample_opus_fragmented.mp4.unknown_length.dump
@@ -0,0 +1,1019 @@
+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=564]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 81637
+  sample count = 250
+  format 0:
+    id = 1
+    sampleMimeType = audio/opus
+    channelCount = 2
+    sampleRate = 16000
+    language = 
+    initializationData:
+      data = length 19, hash 4034F23B
+      data = length 8, hash 94446F01
+      data = length 8, hash 79C07075
+  sample 0:
+    time = 0
+    flags = 1
+    data = length 326, hash ECC9FF90
+  sample 1:
+    time = 10000
+    flags = 1
+    data = length 326, hash B041EAAC
+  sample 2:
+    time = 20000
+    flags = 1
+    data = length 326, hash 3DBE1591
+  sample 3:
+    time = 30000
+    flags = 1
+    data = length 326, hash CE60149B
+  sample 4:
+    time = 40000
+    flags = 1
+    data = length 326, hash 6F04DA9
+  sample 5:
+    time = 50000
+    flags = 1
+    data = length 326, hash 4E221218
+  sample 6:
+    time = 60000
+    flags = 1
+    data = length 326, hash 659C80D8
+  sample 7:
+    time = 70000
+    flags = 1
+    data = length 326, hash E27BB70F
+  sample 8:
+    time = 80000
+    flags = 1
+    data = length 326, hash 3ACDE8E7
+  sample 9:
+    time = 90000
+    flags = 1
+    data = length 326, hash 1FFB9BDA
+  sample 10:
+    time = 100000
+    flags = 1
+    data = length 326, hash 133E65A0
+  sample 11:
+    time = 110000
+    flags = 1
+    data = length 326, hash 4216F22F
+  sample 12:
+    time = 120000
+    flags = 1
+    data = length 326, hash 9142C06
+  sample 13:
+    time = 130000
+    flags = 1
+    data = length 326, hash DF393C06
+  sample 14:
+    time = 140000
+    flags = 1
+    data = length 326, hash E062DBFA
+  sample 15:
+    time = 150000
+    flags = 1
+    data = length 326, hash 5342554C
+  sample 16:
+    time = 160000
+    flags = 1
+    data = length 326, hash 7FE3D513
+  sample 17:
+    time = 170000
+    flags = 1
+    data = length 326, hash A4961659
+  sample 18:
+    time = 180000
+    flags = 1
+    data = length 326, hash 1ADC8A22
+  sample 19:
+    time = 190000
+    flags = 1
+    data = length 326, hash 687C8DD5
+  sample 20:
+    time = 200000
+    flags = 1
+    data = length 326, hash B29283
+  sample 21:
+    time = 210000
+    flags = 1
+    data = length 326, hash 4D5CFDF4
+  sample 22:
+    time = 220000
+    flags = 1
+    data = length 326, hash D95E1184
+  sample 23:
+    time = 230000
+    flags = 1
+    data = length 326, hash 5FEDC88C
+  sample 24:
+    time = 240000
+    flags = 1
+    data = length 326, hash 33FAB6DC
+  sample 25:
+    time = 250000
+    flags = 1
+    data = length 326, hash CEAA63EC
+  sample 26:
+    time = 260000
+    flags = 1
+    data = length 326, hash E02FF364
+  sample 27:
+    time = 270000
+    flags = 1
+    data = length 326, hash E6E2E53F
+  sample 28:
+    time = 280000
+    flags = 1
+    data = length 326, hash 35154DBF
+  sample 29:
+    time = 290000
+    flags = 1
+    data = length 326, hash 595B194B
+  sample 30:
+    time = 300000
+    flags = 1
+    data = length 326, hash ADD13EB0
+  sample 31:
+    time = 310000
+    flags = 1
+    data = length 326, hash A3B2C3CF
+  sample 32:
+    time = 320000
+    flags = 1
+    data = length 326, hash A93847A3
+  sample 33:
+    time = 330000
+    flags = 1
+    data = length 326, hash F0E150D9
+  sample 34:
+    time = 340000
+    flags = 1
+    data = length 326, hash EB671D2B
+  sample 35:
+    time = 350000
+    flags = 1
+    data = length 326, hash A6D5875
+  sample 36:
+    time = 360000
+    flags = 1
+    data = length 326, hash A417F89D
+  sample 37:
+    time = 370000
+    flags = 1
+    data = length 326, hash BFDE9CD6
+  sample 38:
+    time = 380000
+    flags = 1
+    data = length 326, hash D6C5E0D9
+  sample 39:
+    time = 390000
+    flags = 1
+    data = length 326, hash 80BB14DB
+  sample 40:
+    time = 400000
+    flags = 1
+    data = length 326, hash 2E79E0D5
+  sample 41:
+    time = 410000
+    flags = 1
+    data = length 326, hash 8964BAB4
+  sample 42:
+    time = 420000
+    flags = 1
+    data = length 326, hash 4F439BE4
+  sample 43:
+    time = 430000
+    flags = 1
+    data = length 326, hash 92DBC089
+  sample 44:
+    time = 440000
+    flags = 1
+    data = length 326, hash 73614C9
+  sample 45:
+    time = 450000
+    flags = 1
+    data = length 326, hash 908631AA
+  sample 46:
+    time = 460000
+    flags = 1
+    data = length 326, hash ED49A6D4
+  sample 47:
+    time = 470000
+    flags = 1
+    data = length 326, hash B70E3393
+  sample 48:
+    time = 480000
+    flags = 1
+    data = length 326, hash 7D392160
+  sample 49:
+    time = 490000
+    flags = 1
+    data = length 326, hash 77957DEE
+  sample 50:
+    time = 500000
+    flags = 1
+    data = length 326, hash 42582970
+  sample 51:
+    time = 510000
+    flags = 1
+    data = length 326, hash BEEEECBE
+  sample 52:
+    time = 520000
+    flags = 1
+    data = length 326, hash 43BD23B8
+  sample 53:
+    time = 530000
+    flags = 1
+    data = length 326, hash A72E6AE9
+  sample 54:
+    time = 540000
+    flags = 1
+    data = length 326, hash 71A5E822
+  sample 55:
+    time = 550000
+    flags = 1
+    data = length 326, hash F0FCFB9E
+  sample 56:
+    time = 560000
+    flags = 1
+    data = length 326, hash 955628EC
+  sample 57:
+    time = 570000
+    flags = 1
+    data = length 326, hash 29EC8061
+  sample 58:
+    time = 580000
+    flags = 1
+    data = length 326, hash F4010F62
+  sample 59:
+    time = 590000
+    flags = 1
+    data = length 326, hash A0A3E80F
+  sample 60:
+    time = 600000
+    flags = 1
+    data = length 326, hash 87DB9495
+  sample 61:
+    time = 610000
+    flags = 1
+    data = length 326, hash 51012496
+  sample 62:
+    time = 620000
+    flags = 1
+    data = length 326, hash 8C8A5E6E
+  sample 63:
+    time = 630000
+    flags = 1
+    data = length 326, hash 61ECD20B
+  sample 64:
+    time = 640000
+    flags = 1
+    data = length 326, hash C8C6E306
+  sample 65:
+    time = 650000
+    flags = 1
+    data = length 327, hash A964C1EB
+  sample 66:
+    time = 660000
+    flags = 1
+    data = length 325, hash 752AE0E6
+  sample 67:
+    time = 670000
+    flags = 1
+    data = length 326, hash A823251B
+  sample 68:
+    time = 680000
+    flags = 1
+    data = length 326, hash 397840E0
+  sample 69:
+    time = 690000
+    flags = 1
+    data = length 326, hash 5913B4DA
+  sample 70:
+    time = 700000
+    flags = 1
+    data = length 326, hash BC5046E3
+  sample 71:
+    time = 710000
+    flags = 1
+    data = length 326, hash 77F42650
+  sample 72:
+    time = 720000
+    flags = 1
+    data = length 326, hash 2AF70D91
+  sample 73:
+    time = 730000
+    flags = 1
+    data = length 326, hash 7E736444
+  sample 74:
+    time = 740000
+    flags = 1
+    data = length 326, hash 74DE6BFC
+  sample 75:
+    time = 750000
+    flags = 1
+    data = length 326, hash C8D036DD
+  sample 76:
+    time = 760000
+    flags = 1
+    data = length 326, hash 85E61A08
+  sample 77:
+    time = 770000
+    flags = 1
+    data = length 326, hash 83C08838
+  sample 78:
+    time = 780000
+    flags = 1
+    data = length 326, hash 8C1F745A
+  sample 79:
+    time = 790000
+    flags = 1
+    data = length 326, hash 53097623
+  sample 80:
+    time = 800000
+    flags = 1
+    data = length 326, hash 5072DCD5
+  sample 81:
+    time = 810000
+    flags = 1
+    data = length 326, hash 865B8C61
+  sample 82:
+    time = 820000
+    flags = 1
+    data = length 326, hash C1D25AE1
+  sample 83:
+    time = 830000
+    flags = 1
+    data = length 326, hash DE2FA734
+  sample 84:
+    time = 840000
+    flags = 1
+    data = length 326, hash 134D37F4
+  sample 85:
+    time = 850000
+    flags = 1
+    data = length 326, hash BBAFEE2F
+  sample 86:
+    time = 860000
+    flags = 1
+    data = length 326, hash 44166A38
+  sample 87:
+    time = 870000
+    flags = 1
+    data = length 326, hash CE3592C0
+  sample 88:
+    time = 880000
+    flags = 1
+    data = length 326, hash 2F8BCB1B
+  sample 89:
+    time = 890000
+    flags = 1
+    data = length 326, hash 6EB0EE92
+  sample 90:
+    time = 900000
+    flags = 1
+    data = length 326, hash 26193E23
+  sample 91:
+    time = 910000
+    flags = 1
+    data = length 326, hash D9CC82FC
+  sample 92:
+    time = 920000
+    flags = 1
+    data = length 326, hash 72A71B6
+  sample 93:
+    time = 930000
+    flags = 1
+    data = length 326, hash 36D24EDA
+  sample 94:
+    time = 940000
+    flags = 1
+    data = length 326, hash 8CD8720A
+  sample 95:
+    time = 950000
+    flags = 1
+    data = length 326, hash 796DFD09
+  sample 96:
+    time = 960000
+    flags = 1
+    data = length 326, hash 2B300470
+  sample 97:
+    time = 970000
+    flags = 1
+    data = length 326, hash 5C224F72
+  sample 98:
+    time = 980000
+    flags = 1
+    data = length 326, hash DFCD788E
+  sample 99:
+    time = 990000
+    flags = 1
+    data = length 326, hash AD0EE96B
+  sample 100:
+    time = 1000000
+    flags = 1
+    data = length 336, hash 812F4581
+  sample 101:
+    time = 1010000
+    flags = 1
+    data = length 339, hash 7B767693
+  sample 102:
+    time = 1020000
+    flags = 1
+    data = length 335, hash 4D8D2DEA
+  sample 103:
+    time = 1030000
+    flags = 1
+    data = length 319, hash D6E65FC3
+  sample 104:
+    time = 1040000
+    flags = 1
+    data = length 337, hash 7EDAC403
+  sample 105:
+    time = 1050000
+    flags = 1
+    data = length 341, hash 9D6A1808
+  sample 106:
+    time = 1060000
+    flags = 1
+    data = length 321, hash C592CA8E
+  sample 107:
+    time = 1070000
+    flags = 1
+    data = length 315, hash 6F70ED6D
+  sample 108:
+    time = 1080000
+    flags = 1
+    data = length 303, hash 84BF23D4
+  sample 109:
+    time = 1090000
+    flags = 1
+    data = length 314, hash 6FF921D2
+  sample 110:
+    time = 1100000
+    flags = 1
+    data = length 326, hash C5CDBC78
+  sample 111:
+    time = 1110000
+    flags = 1
+    data = length 326, hash C1DC417A
+  sample 112:
+    time = 1120000
+    flags = 1
+    data = length 326, hash 1C12B6D8
+  sample 113:
+    time = 1130000
+    flags = 1
+    data = length 326, hash A7A8F4EF
+  sample 114:
+    time = 1140000
+    flags = 1
+    data = length 326, hash 46AF466
+  sample 115:
+    time = 1150000
+    flags = 1
+    data = length 326, hash 7DC33E91
+  sample 116:
+    time = 1160000
+    flags = 1
+    data = length 326, hash 14FD7EE3
+  sample 117:
+    time = 1170000
+    flags = 1
+    data = length 343, hash C81AA63
+  sample 118:
+    time = 1180000
+    flags = 1
+    data = length 337, hash 10348132
+  sample 119:
+    time = 1190000
+    flags = 1
+    data = length 324, hash 5039A7BF
+  sample 120:
+    time = 1200000
+    flags = 1
+    data = length 335, hash 7C13047E
+  sample 121:
+    time = 1210000
+    flags = 1
+    data = length 324, hash 86784B79
+  sample 122:
+    time = 1220000
+    flags = 1
+    data = length 358, hash 2F2E80E4
+  sample 123:
+    time = 1230000
+    flags = 1
+    data = length 345, hash B18584BD
+  sample 124:
+    time = 1240000
+    flags = 1
+    data = length 330, hash C817AA1A
+  sample 125:
+    time = 1250000
+    flags = 1
+    data = length 321, hash 4B1B165A
+  sample 126:
+    time = 1260000
+    flags = 1
+    data = length 336, hash 412253B8
+  sample 127:
+    time = 1270000
+    flags = 1
+    data = length 332, hash FD1EAC64
+  sample 128:
+    time = 1280000
+    flags = 1
+    data = length 334, hash 9E814A17
+  sample 129:
+    time = 1290000
+    flags = 1
+    data = length 321, hash 6A723041
+  sample 130:
+    time = 1300000
+    flags = 1
+    data = length 333, hash AF5E2A13
+  sample 131:
+    time = 1310000
+    flags = 1
+    data = length 332, hash C8DC1D61
+  sample 132:
+    time = 1320000
+    flags = 1
+    data = length 345, hash 269EDF4
+  sample 133:
+    time = 1330000
+    flags = 1
+    data = length 355, hash 14625CB5
+  sample 134:
+    time = 1340000
+    flags = 1
+    data = length 342, hash 6F45840D
+  sample 135:
+    time = 1350000
+    flags = 1
+    data = length 341, hash 72AEBC16
+  sample 136:
+    time = 1360000
+    flags = 1
+    data = length 317, hash 9F7FEC24
+  sample 137:
+    time = 1370000
+    flags = 1
+    data = length 349, hash 7CD57187
+  sample 138:
+    time = 1380000
+    flags = 1
+    data = length 345, hash 9CDC475E
+  sample 139:
+    time = 1390000
+    flags = 1
+    data = length 348, hash B73A1C36
+  sample 140:
+    time = 1400000
+    flags = 1
+    data = length 358, hash 37D19B
+  sample 141:
+    time = 1410000
+    flags = 1
+    data = length 350, hash 2238BB83
+  sample 142:
+    time = 1420000
+    flags = 1
+    data = length 334, hash 350DF51D
+  sample 143:
+    time = 1430000
+    flags = 1
+    data = length 338, hash 60CE5942
+  sample 144:
+    time = 1440000
+    flags = 1
+    data = length 317, hash 2DCBBC2F
+  sample 145:
+    time = 1450000
+    flags = 1
+    data = length 307, hash C67D43FB
+  sample 146:
+    time = 1460000
+    flags = 1
+    data = length 343, hash 807EBA32
+  sample 147:
+    time = 1470000
+    flags = 1
+    data = length 337, hash AD9764BE
+  sample 148:
+    time = 1480000
+    flags = 1
+    data = length 326, hash 5BBF2D25
+  sample 149:
+    time = 1490000
+    flags = 1
+    data = length 326, hash 2F0186AA
+  sample 150:
+    time = 1500000
+    flags = 1
+    data = length 326, hash 8550A008
+  sample 151:
+    time = 1510000
+    flags = 1
+    data = length 326, hash 548FBE7A
+  sample 152:
+    time = 1520000
+    flags = 1
+    data = length 326, hash 587D19C2
+  sample 153:
+    time = 1530000
+    flags = 1
+    data = length 326, hash BE3157BA
+  sample 154:
+    time = 1540000
+    flags = 1
+    data = length 326, hash CE358311
+  sample 155:
+    time = 1550000
+    flags = 1
+    data = length 326, hash 9F63610C
+  sample 156:
+    time = 1560000
+    flags = 1
+    data = length 326, hash 166C76E3
+  sample 157:
+    time = 1570000
+    flags = 1
+    data = length 324, hash DD8830DB
+  sample 158:
+    time = 1580000
+    flags = 1
+    data = length 328, hash 95BFDBE
+  sample 159:
+    time = 1590000
+    flags = 1
+    data = length 326, hash 859713E2
+  sample 160:
+    time = 1600000
+    flags = 1
+    data = length 326, hash A1D14AE4
+  sample 161:
+    time = 1610000
+    flags = 1
+    data = length 326, hash 3AD13AFC
+  sample 162:
+    time = 1620000
+    flags = 1
+    data = length 326, hash 3EACF164
+  sample 163:
+    time = 1630000
+    flags = 1
+    data = length 326, hash CF42F132
+  sample 164:
+    time = 1640000
+    flags = 1
+    data = length 326, hash A1CBE4F2
+  sample 165:
+    time = 1650000
+    flags = 1
+    data = length 326, hash D4EEE23E
+  sample 166:
+    time = 1660000
+    flags = 1
+    data = length 326, hash 6CF8758E
+  sample 167:
+    time = 1670000
+    flags = 1
+    data = length 326, hash DE1AECC0
+  sample 168:
+    time = 1680000
+    flags = 1
+    data = length 326, hash B41D28EC
+  sample 169:
+    time = 1690000
+    flags = 1
+    data = length 326, hash F67E91D9
+  sample 170:
+    time = 1700000
+    flags = 1
+    data = length 326, hash 7EE6CFF4
+  sample 171:
+    time = 1710000
+    flags = 1
+    data = length 326, hash D349B8F7
+  sample 172:
+    time = 1720000
+    flags = 1
+    data = length 326, hash 996EAE7
+  sample 173:
+    time = 1730000
+    flags = 1
+    data = length 326, hash BB666B7B
+  sample 174:
+    time = 1740000
+    flags = 1
+    data = length 326, hash DC59B61F
+  sample 175:
+    time = 1750000
+    flags = 1
+    data = length 326, hash ED75555F
+  sample 176:
+    time = 1760000
+    flags = 1
+    data = length 326, hash E934CD31
+  sample 177:
+    time = 1770000
+    flags = 1
+    data = length 326, hash C4A0F88D
+  sample 178:
+    time = 1780000
+    flags = 1
+    data = length 326, hash EF60D35
+  sample 179:
+    time = 1790000
+    flags = 1
+    data = length 326, hash 89D0C6FD
+  sample 180:
+    time = 1800000
+    flags = 1
+    data = length 326, hash A8065459
+  sample 181:
+    time = 1810000
+    flags = 1
+    data = length 319, hash DA5BE3EB
+  sample 182:
+    time = 1820000
+    flags = 1
+    data = length 301, hash 781565E7
+  sample 183:
+    time = 1830000
+    flags = 1
+    data = length 324, hash 453B347D
+  sample 184:
+    time = 1840000
+    flags = 1
+    data = length 344, hash AEFF20B2
+  sample 185:
+    time = 1850000
+    flags = 1
+    data = length 342, hash 98E8532B
+  sample 186:
+    time = 1860000
+    flags = 1
+    data = length 326, hash 56CD6CC3
+  sample 187:
+    time = 1870000
+    flags = 1
+    data = length 299, hash 8966DB
+  sample 188:
+    time = 1880000
+    flags = 1
+    data = length 295, hash 398A2974
+  sample 189:
+    time = 1890000
+    flags = 1
+    data = length 320, hash 3312D070
+  sample 190:
+    time = 1900000
+    flags = 1
+    data = length 338, hash BBCD81BA
+  sample 191:
+    time = 1910000
+    flags = 1
+    data = length 336, hash E0C58ECC
+  sample 192:
+    time = 1920000
+    flags = 1
+    data = length 325, hash AEF16A96
+  sample 193:
+    time = 1930000
+    flags = 1
+    data = length 350, hash 4C509E69
+  sample 194:
+    time = 1940000
+    flags = 1
+    data = length 344, hash DC402A4
+  sample 195:
+    time = 1950000
+    flags = 1
+    data = length 327, hash 1318C437
+  sample 196:
+    time = 1960000
+    flags = 1
+    data = length 316, hash A36FB835
+  sample 197:
+    time = 1970000
+    flags = 1
+    data = length 330, hash E2EFF591
+  sample 198:
+    time = 1980000
+    flags = 1
+    data = length 312, hash F67E05AF
+  sample 199:
+    time = 1990000
+    flags = 1
+    data = length 332, hash 93136C32
+  sample 200:
+    time = 2000000
+    flags = 1
+    data = length 340, hash 4AA7608A
+  sample 201:
+    time = 2010000
+    flags = 1
+    data = length 326, hash D3A44734
+  sample 202:
+    time = 2020000
+    flags = 1
+    data = length 323, hash 61A8A104
+  sample 203:
+    time = 2030000
+    flags = 1
+    data = length 317, hash 3C1D786D
+  sample 204:
+    time = 2040000
+    flags = 1
+    data = length 310, hash F5322F60
+  sample 205:
+    time = 2050000
+    flags = 1
+    data = length 320, hash 442CD2EC
+  sample 206:
+    time = 2060000
+    flags = 1
+    data = length 326, hash 76E93566
+  sample 207:
+    time = 2070000
+    flags = 1
+    data = length 360, hash F9977B24
+  sample 208:
+    time = 2080000
+    flags = 1
+    data = length 326, hash 1881F6EF
+  sample 209:
+    time = 2090000
+    flags = 1
+    data = length 326, hash D75687AB
+  sample 210:
+    time = 2100000
+    flags = 1
+    data = length 315, hash 533A1DA7
+  sample 211:
+    time = 2110000
+    flags = 1
+    data = length 304, hash 38E382E7
+  sample 212:
+    time = 2120000
+    flags = 1
+    data = length 328, hash 4C675814
+  sample 213:
+    time = 2130000
+    flags = 1
+    data = length 312, hash 1E1BDC5C
+  sample 214:
+    time = 2140000
+    flags = 1
+    data = length 298, hash C7456FFC
+  sample 215:
+    time = 2150000
+    flags = 1
+    data = length 293, hash 84FD8E23
+  sample 216:
+    time = 2160000
+    flags = 1
+    data = length 312, hash 4FC32BF6
+  sample 217:
+    time = 2170000
+    flags = 1
+    data = length 303, hash 908B7478
+  sample 218:
+    time = 2180000
+    flags = 1
+    data = length 316, hash 704860D
+  sample 219:
+    time = 2190000
+    flags = 1
+    data = length 328, hash B62E6465
+  sample 220:
+    time = 2200000
+    flags = 1
+    data = length 330, hash 5B6B17AE
+  sample 221:
+    time = 2210000
+    flags = 1
+    data = length 326, hash 87514738
+  sample 222:
+    time = 2220000
+    flags = 1
+    data = length 325, hash B0D3AA65
+  sample 223:
+    time = 2230000
+    flags = 1
+    data = length 344, hash D70C0C14
+  sample 224:
+    time = 2240000
+    flags = 1
+    data = length 359, hash E2416115
+  sample 225:
+    time = 2250000
+    flags = 1
+    data = length 353, hash 359E8F1D
+  sample 226:
+    time = 2260000
+    flags = 1
+    data = length 351, hash 89FFD6C8
+  sample 227:
+    time = 2270000
+    flags = 1
+    data = length 346, hash 6F4E6C8B
+  sample 228:
+    time = 2280000
+    flags = 1
+    data = length 341, hash 3DB3864B
+  sample 229:
+    time = 2290000
+    flags = 1
+    data = length 336, hash 82AEE005
+  sample 230:
+    time = 2300000
+    flags = 1
+    data = length 326, hash 8115A41A
+  sample 231:
+    time = 2310000
+    flags = 1
+    data = length 326, hash D7675B30
+  sample 232:
+    time = 2320000
+    flags = 1
+    data = length 326, hash 529C1134
+  sample 233:
+    time = 2330000
+    flags = 1
+    data = length 326, hash 30E917D7
+  sample 234:
+    time = 2340000
+    flags = 1
+    data = length 326, hash A0C5BBB5
+  sample 235:
+    time = 2350000
+    flags = 1
+    data = length 325, hash A1703C7F
+  sample 236:
+    time = 2360000
+    flags = 1
+    data = length 315, hash 443DC04E
+  sample 237:
+    time = 2370000
+    flags = 1
+    data = length 320, hash 3975FFC4
+  sample 238:
+    time = 2380000
+    flags = 1
+    data = length 324, hash 4F5CFD58
+  sample 239:
+    time = 2390000
+    flags = 1
+    data = length 321, hash BF9A6611
+  sample 240:
+    time = 2400000
+    flags = 1
+    data = length 330, hash B238370E
+  sample 241:
+    time = 2410000
+    flags = 1
+    data = length 321, hash 98A77876
+  sample 242:
+    time = 2420000
+    flags = 1
+    data = length 312, hash 3E6ACD6C
+  sample 243:
+    time = 2430000
+    flags = 1
+    data = length 318, hash FA97020A
+  sample 244:
+    time = 2440000
+    flags = 1
+    data = length 311, hash 8A101DFA
+  sample 245:
+    time = 2450000
+    flags = 1
+    data = length 310, hash C892E017
+  sample 246:
+    time = 2460000
+    flags = 1
+    data = length 306, hash C088A2D3
+  sample 247:
+    time = 2470000
+    flags = 1
+    data = length 292, hash 9C2757C6
+  sample 248:
+    time = 2480000
+    flags = 1
+    data = length 291, hash 656B9B94
+  sample 249:
+    time = 2490000
+    flags = 1
+    data = length 306, hash 18C812
+tracksEnded = true