am 134dc311: am 80a6d9f3: am e10c2e62: am 74ebcd65: am 272f4056: am 52302d91: am f354c48e: am 5c4428f6: Fix integer overflow during MP4 atom processing

* commit '134dc3110c401544e4d3a3a1deab1c131fb77720':
  Fix integer overflow during MP4 atom processing