Class Not Found Exception : org,mp4parser.boxes.iso.14496.part12.FileTypeBox.

[QL-Nisha-Rana]

Hi , I am getting the error on release build "Class Not Found Exception : org,mp4parser.boxes.iso.14496.part12.FileTypeBox." I added these lines even after I am getting the error. -keep class com.tencent.** { ; } -keep class * implements com.coremedia.iso.boxes.Box { ; } -dontwarn com.coremedia.iso.boxes.* -dontwarn com.googlecode.mp4parser.authoring.tracks.mjpeg.** -dontwarn com.googlecode.mp4parser.authoring.tracks.ttml.** -keep class com.coremedia.iso.boxes.** { ; } -keep class com.googlecode.mp4parser.boxes.mp4.ESDescriptorBox { ; } -keep class $package. { *; }