--- a/media/libstagefright/binding/MP4Metadata.cpp
+++ b/media/libstagefright/binding/MP4Metadata.cpp
@@ -360,16 +360,18 @@ MP4Metadata::GetTrackInfo(mozilla::Track
     switch (aType) {
     case mozilla::TrackInfo::kAudioTrack: {
       AudioInfo *audioRust = infoRust->GetAsAudioInfo(), *audio = info->GetAsAudioInfo();
       MOZ_DIAGNOSTIC_ASSERT(audioRust->mRate == audio->mRate);
       MOZ_DIAGNOSTIC_ASSERT(audioRust->mChannels == audio->mChannels);
       MOZ_DIAGNOSTIC_ASSERT(audioRust->mBitDepth == audio->mBitDepth);
       MOZ_DIAGNOSTIC_ASSERT(audioRust->mProfile == audio->mProfile);
       MOZ_DIAGNOSTIC_ASSERT(audioRust->mExtendedProfile == audio->mExtendedProfile);
+      MOZ_DIAGNOSTIC_ASSERT(*audioRust->mExtraData == *audio->mExtraData);
+      MOZ_DIAGNOSTIC_ASSERT(*audioRust->mCodecSpecificConfig == *audio->mCodecSpecificConfig);
       break;
     }
     case mozilla::TrackInfo::kVideoTrack: {
       VideoInfo *videoRust = infoRust->GetAsVideoInfo(), *video = info->GetAsVideoInfo();
       MOZ_DIAGNOSTIC_ASSERT(videoRust->mDisplay == video->mDisplay);
       MOZ_DIAGNOSTIC_ASSERT(videoRust->mImage == video->mImage);
       MOZ_DIAGNOSTIC_ASSERT(*videoRust->mExtraData == *video->mExtraData);
       // mCodecSpecificConfig is for video/mp4-es, not video/avc. Since video/mp4-es