--- a/media/libstagefright/binding/DecoderData.cpp
+++ b/media/libstagefright/binding/DecoderData.cpp
@@ -243,16 +243,18 @@ void
 MP4VideoInfo::Update(const mp4parse_track_info* track,
                      const mp4parse_track_video_info* video)
 {
   UpdateTrackProtectedInfo(*this, video->protected_data);
   if (track->codec == mp4parse_codec_AVC) {
     mMimeType = MEDIA_MIMETYPE_VIDEO_AVC;
   } else if (track->codec == mp4parse_codec_VP9) {
     mMimeType = NS_LITERAL_CSTRING("video/vp9");
+  } else if (track->codec == mp4parse_codec_MP4V) {
+    mMimeType = MEDIA_MIMETYPE_VIDEO_MPEG4;
   }
   mTrackId = track->track_id;
   mDuration = TimeUnit::FromMicroseconds(track->duration);
   mMediaTime = TimeUnit::FromMicroseconds(track->media_time);
   mDisplay.width = video->display_width;
   mDisplay.height = video->display_height;
   mImage.width = video->image_width;
   mImage.height = video->image_height;