am bb99a362: am 8d60fc3e: am 338bbf53: am fd334e34: am 03d539a7: am a5b9055d: am f1ce97dd: Fix integer overflow when handling MPEG4 tx3g atom

* commit 'bb99a362dc76f9bf040f6256369fabf27ad1c2f5':
  Fix integer overflow when handling MPEG4 tx3g atom