am 9364bdc9: am 905aae46: am 11c88f66: am 2796ba1c: am a555788d: am 0e33cb2d: am e4ccf3a1: am 3329a19b: am c87faed6: Fix integer underflow in covr MPEG4 processing

* commit '9364bdc9a1298a609eb825be051c393cbf3d7a38':
  Fix integer underflow in covr MPEG4 processing