am daee18a3: am 9b9e8c6f: am 8fec74bd: am b3949ea5: am 72abba8b: am 276cec63: am 4254be9a: 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 'daee18a3af3c1025e8f9abaaa68c6d9bfb2490f4':
  Fix integer underflow in covr MPEG4 processing