Sorry I posted to the wrong place
Is there way to open/save gamecube bca animation(not copy protection) on GNU/Linux?
I found it on Japanese version of Mario Kart: Double Dash!!: GM4J01.iso/P-GM4J/files/ARAM.arc/aram/driveranm/*/*.bca
Magic number(?): J3D1bca1
There is "ANF1" text in the file...