CI version 8.2.1 - Multi-language
You can do the way you want: A free version ..
Method Freearc: 2xDVD5 -1xDVD9 = 7.20GB
Code:
Datafile.arc (-mx-ld800)
Internal method: 4xDVD5 - 2xDVD9 = 14.7GB
Code:
Just look at The Witcher 2 folder\Installer Internal
Method Freearc + Precomp + SREP: 2xDVD5 - 1xDVD9 = 6.56GB
Code:
{Freearc}=Datafile.arc (-m0) - {Precomp042}=Datafile.pcf (precomp042 -c- -intense -Datafile.arc) - {Srep}=Datafile.srep (srep -m3 -Datafile.pcf Datafile.srep) - {freearc}=Datafile.srep (-mx-ld800)