Add -X option for creating 10bit Quicktime files. With -X '2vuy' becomes 'v210'
and 'v308' becomes 'v410'. Also, use libquicktime's ability to perform the packing from planar data instead of doing it inline in this utility.
Authored by: sms00 2005-12-02
Parent: [r2960]
Child: [r2962]