diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 3be18633be..58bfec7c71 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -39,6 +39,9 @@
         ([#8349](https://github.com/google/ExoPlayer/issues/8349))
     *   Add `DefaultHttpDataSource.Factory` and deprecate
         `DefaultHttpDataSourceFactory`.
+    *   Populate codecs string for H.264/AVC in MP4, Matroska and FLV streams to
+        allow decoder capability checks based on codec profile/level
+        ([#8393](https://github.com/google/ExoPlayer/issues/8393)).
 *   Track selection:
     *   Add option to specify multiple preferred audio or text languages.
     *   Forward `Timeline` and `MediaPeriodId` to `TrackSelection.Factory`.
diff --git a/library/common/src/main/java/com/google/android/exoplayer2/video/AvcConfig.java b/library/common/src/main/java/com/google/android/exoplayer2/video/AvcConfig.java
index b794d2db90..183cfe09df 100644
--- a/library/common/src/main/java/com/google/android/exoplayer2/video/AvcConfig.java
+++ b/library/common/src/main/java/com/google/android/exoplayer2/video/AvcConfig.java
@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.video;
 
+import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.ParserException;
 import com.google.android.exoplayer2.util.CodecSpecificDataUtil;
@@ -34,13 +35,14 @@ public final class AvcConfig {
   public final int width;
   public final int height;
   public final float pixelWidthAspectRatio;
+  @Nullable public final String codecs;
 
   /**
    * Parses AVC configuration data.
    *
    * @param data A {@link ParsableByteArray}, whose position is set to the start of the AVC
    *     configuration data to parse.
-   * @return A parsed representation of the HEVC configuration data.
+   * @return A parsed representation of the AVC configuration data.
    * @throws ParserException If an error occurred parsing the data.
    */
   public static AvcConfig parse(ParsableByteArray data) throws ParserException {
@@ -63,6 +65,7 @@ public final class AvcConfig {
       int width = Format.NO_VALUE;
       int height = Format.NO_VALUE;
       float pixelWidthAspectRatio = 1;
+      @Nullable String codecs = null;
       if (numSequenceParameterSets > 0) {
         byte[] sps = initializationData.get(0);
         SpsData spsData = NalUnitUtil.parseSpsNalUnit(initializationData.get(0),
@@ -70,21 +73,36 @@ public final class AvcConfig {
         width = spsData.width;
         height = spsData.height;
         pixelWidthAspectRatio = spsData.pixelWidthAspectRatio;
+        codecs =
+            CodecSpecificDataUtil.buildAvcCodecString(
+                spsData.profileIdc, spsData.constraintsFlagsAndReservedZero2Bits, spsData.levelIdc);
       }
-      return new AvcConfig(initializationData, nalUnitLengthFieldLength, width, height,
-          pixelWidthAspectRatio);
+
+      return new AvcConfig(
+          initializationData,
+          nalUnitLengthFieldLength,
+          width,
+          height,
+          pixelWidthAspectRatio,
+          codecs);
     } catch (ArrayIndexOutOfBoundsException e) {
       throw new ParserException("Error parsing AVC config", e);
     }
   }
 
-  private AvcConfig(List<byte[]> initializationData, int nalUnitLengthFieldLength,
-      int width, int height, float pixelWidthAspectRatio) {
+  private AvcConfig(
+      List<byte[]> initializationData,
+      int nalUnitLengthFieldLength,
+      int width,
+      int height,
+      float pixelWidthAspectRatio,
+      @Nullable String codecs) {
     this.initializationData = initializationData;
     this.nalUnitLengthFieldLength = nalUnitLengthFieldLength;
     this.width = width;
     this.height = height;
     this.pixelWidthAspectRatio = pixelWidthAspectRatio;
+    this.codecs = codecs;
   }
 
   private static byte[] buildNalUnitForChild(ParsableByteArray data) {
diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java
index c91f6ce037..6ab4da1acf 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/flv/VideoTagPayloadReader.java
@@ -93,6 +93,7 @@ import com.google.android.exoplayer2.video.AvcConfig;
       Format format =
           new Format.Builder()
               .setSampleMimeType(MimeTypes.VIDEO_H264)
+              .setCodecs(avcConfig.codecs)
               .setWidth(avcConfig.width)
               .setHeight(avcConfig.height)
               .setPixelWidthHeightRatio(avcConfig.pixelWidthAspectRatio)
diff --git a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java
index 733d10e767..568385ad3b 100644
--- a/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java
+++ b/library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mkv/MatroskaExtractor.java
@@ -2086,6 +2086,7 @@ public class MatroskaExtractor implements Extractor {
           AvcConfig avcConfig = AvcConfig.parse(new ParsableByteArray(getCodecPrivate(codecId)));
           initializationData = avcConfig.initializationData;
           nalUnitLengthFieldLength = avcConfig.nalUnitLengthFieldLength;
+          codecs = avcConfig.codecs;
           break;
         case CODEC_ID_H265:
           mimeType = MimeTypes.VIDEO_H265;
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 2ff749db75..9d285fe8dc 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
@@ -1058,6 +1058,7 @@ import org.checkerframework.checker.nullness.compatqual.NullableType;
         if (!pixelWidthHeightRatioFromPasp) {
           pixelWidthHeightRatio = avcConfig.pixelWidthAspectRatio;
         }
+        codecs = avcConfig.codecs;
       } else if (childAtomType == Atom.TYPE_hvcC) {
         Assertions.checkState(mimeType == null);
         mimeType = MimeTypes.VIDEO_H265;
diff --git a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.0.dump b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.0.dump
index 387853091e..9c6955a2b9 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.0.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.0.dump
@@ -11,6 +11,7 @@ track 9:
   sample count = 71
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.64000C
     width = 320
     height = 180
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.1.dump b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.1.dump
index 4ed0bc703f..4b4b951052 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.1.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.1.dump
@@ -11,6 +11,7 @@ track 9:
   sample count = 47
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.64000C
     width = 320
     height = 180
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.2.dump b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.2.dump
index eced87adfc..b9224da535 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.2.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.2.dump
@@ -11,6 +11,7 @@ track 9:
   sample count = 23
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.64000C
     width = 320
     height = 180
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.3.dump b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.3.dump
index eced87adfc..b9224da535 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.3.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.3.dump
@@ -11,6 +11,7 @@ track 9:
   sample count = 23
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.64000C
     width = 320
     height = 180
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.unknown_length.dump b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.unknown_length.dump
index 387853091e..9c6955a2b9 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample-with-key-frame-index.flv.unknown_length.dump
@@ -11,6 +11,7 @@ track 9:
   sample count = 71
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.64000C
     width = 320
     height = 180
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/flv/sample.flv.0.dump b/testdata/src/test/assets/extractordumps/flv/sample.flv.0.dump
index 8bf765bae3..d2a81d984c 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample.flv.0.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample.flv.0.dump
@@ -198,6 +198,7 @@ track 9:
   sample count = 30
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/flv/sample.flv.unknown_length.dump b/testdata/src/test/assets/extractordumps/flv/sample.flv.unknown_length.dump
index 8bf765bae3..d2a81d984c 100644
--- a/testdata/src/test/assets/extractordumps/flv/sample.flv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/flv/sample.flv.unknown_length.dump
@@ -198,6 +198,7 @@ track 9:
   sample count = 30
   format 0:
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.0.dump b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.0.dump
index bb8c0632f3..61daa408d8 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.0.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.0.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.1.dump b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.1.dump
index 348f66e363..1bd0b7468d 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.1.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.1.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.2.dump b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.2.dump
index e965e5039c..7c862c7302 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.2.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.2.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.3.dump b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.3.dump
index ab6d8e06cd..09f073f8a8 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.3.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.3.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.unknown_length.dump b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.unknown_length.dump
index bb8c0632f3..61daa408d8 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample.mkv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample.mkv.unknown_length.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.0.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.0.dump
index 258efdc087..6d84df8b0c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.0.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.0.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     rotationDegrees = 90
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.1.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.1.dump
index 258efdc087..6d84df8b0c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.1.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.1.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     rotationDegrees = 90
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.2.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.2.dump
index 258efdc087..6d84df8b0c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.2.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.2.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     rotationDegrees = 90
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.3.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.3.dump
index 258efdc087..6d84df8b0c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.3.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.3.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     rotationDegrees = 90
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.unknown_length.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.unknown_length.dump
index 258efdc087..6d84df8b0c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_htc_rotation_track_name.mkv.unknown_length.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     rotationDegrees = 90
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.0.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.0.dump
index ccf35b8c27..24d9ce7712 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.0.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.0.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.1.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.1.dump
index ccf35b8c27..24d9ce7712 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.1.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.1.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.2.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.2.dump
index ccf35b8c27..24d9ce7712 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.2.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.2.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.3.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.3.dump
index ccf35b8c27..24d9ce7712 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.3.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.3.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.unknown_length.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.unknown_length.dump
index ccf35b8c27..24d9ce7712 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_srt.mkv.unknown_length.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.0.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.0.dump
index ec1eaf729b..3f99d09758 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.0.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.0.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.1.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.1.dump
index ec1eaf729b..3f99d09758 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.1.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.1.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.2.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.2.dump
index ec1eaf729b..3f99d09758 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.2.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.2.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.3.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.3.dump
index ec1eaf729b..3f99d09758 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.3.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.3.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.unknown_length.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.unknown_length.dump
index ec1eaf729b..3f99d09758 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_null_terminated_ssa_subtitles.mkv.unknown_length.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.0.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.0.dump
index 94378b0f98..a5548a90cf 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.0.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.0.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.1.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.1.dump
index 94378b0f98..a5548a90cf 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.1.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.1.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.2.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.2.dump
index 94378b0f98..a5548a90cf 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.2.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.2.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.3.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.3.dump
index 94378b0f98..a5548a90cf 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.3.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.3.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.unknown_length.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.unknown_length.dump
index 94378b0f98..a5548a90cf 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_srt.mkv.unknown_length.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.0.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.0.dump
index 16df131ed3..93b557015c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.0.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.0.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.1.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.1.dump
index 16df131ed3..93b557015c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.1.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.1.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.2.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.2.dump
index 16df131ed3..93b557015c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.2.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.2.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.3.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.3.dump
index 16df131ed3..93b557015c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.3.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.3.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.unknown_length.dump b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.unknown_length.dump
index 16df131ed3..93b557015c 100644
--- a/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mkv/sample_with_ssa_subtitles.mkv.unknown_length.dump
@@ -12,6 +12,7 @@ track 1:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640034
     width = 1080
     height = 720
     selectionFlags = 1
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.0.dump
index c1d6530965..78d2922cbf 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.0.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.1.dump b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.1.dump
index 0cba489724..cbfab8edfd 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.1.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.1.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.2.dump b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.2.dump
index 453c1677bf..bd8df24015 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.2.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.2.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.3.dump b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.3.dump
index 0fe653ac2c..791aea54f7 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.3.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.3.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.unknown_length.dump
index c1d6530965..78d2922cbf 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample.mp4.unknown_length.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.0.dump
index e8b96af424..481e177eb3 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.0.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640033
     maxInputSize = 34686
     width = 1280
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.1.dump b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.1.dump
index e8b96af424..481e177eb3 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.1.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.1.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640033
     maxInputSize = 34686
     width = 1280
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.2.dump b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.2.dump
index e8b96af424..481e177eb3 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.2.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.2.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640033
     maxInputSize = 34686
     width = 1280
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.3.dump b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.3.dump
index e8b96af424..481e177eb3 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.3.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.3.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640033
     maxInputSize = 34686
     width = 1280
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.unknown_length.dump
index e8b96af424..481e177eb3 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_android_slow_motion.mp4.unknown_length.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.640033
     maxInputSize = 34686
     width = 1280
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.0.dump
index 001895e61e..3bb4239d8f 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.0.dump
@@ -9,6 +9,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.unknown_length.dump
index 001895e61e..3bb4239d8f 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented.mp4.unknown_length.dump
@@ -9,6 +9,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.0.dump
index 5dc1f1db59..d6ff4a544c 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.0.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.1.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.1.dump
index aab2beb27c..4d5f324b4a 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.1.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.1.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.2.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.2.dump
index c1d569c0c9..4b23814b0a 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.2.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.2.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.3.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.3.dump
index dd915bcb08..d234a0f03f 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.3.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.3.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.unknown_length.dump
index 5dc1f1db59..d6ff4a544c 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_seekable.mp4.unknown_length.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.0.dump
index 34f271ce6a..dbcfe75f35 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.0.dump
@@ -9,6 +9,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.unknown_length.dump
index 34f271ce6a..dbcfe75f35 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sei.mp4.unknown_length.dump
@@ -9,6 +9,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.0.dump
index 287d52240f..0ce12c9a5c 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.0.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.1.dump b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.1.dump
index 5c559c7a15..9dc2300bd9 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.1.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.1.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.2.dump b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.2.dump
index 34b0c2099f..d1d819d94a 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.2.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.2.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.3.dump b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.3.dump
index c1dc5e9a3f..2241b26787 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.3.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.3.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.unknown_length.dump
index 287d52240f..0ce12c9a5c 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_mdat_too_long.mp4.unknown_length.dump
@@ -12,6 +12,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     maxInputSize = 36722
     width = 1080
     height = 720
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.0.dump b/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.0.dump
index b3d57a3868..5bb4411a69 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.0.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.0.dump
@@ -9,6 +9,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData:
diff --git a/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.unknown_length.dump b/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.unknown_length.dump
index b3d57a3868..5bb4411a69 100644
--- a/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.unknown_length.dump
+++ b/testdata/src/test/assets/extractordumps/mp4/sample_partially_fragmented.mp4.unknown_length.dump
@@ -9,6 +9,7 @@ track 0:
   format 0:
     id = 1
     sampleMimeType = video/avc
+    codecs = avc1.64001F
     width = 1080
     height = 720
     initializationData: