The material imported by fcpx does not have to be transcoded. You can remove the checkbox for creating optimized media in Preferences-Import, and it will not be transcoded. Fcpx refers to "Final Cut Pro X", which is the latest version of "Final Cut Pro". "Final Cut Pro" is a nonlinear video editing software introduced by Macromedia, which was later developed and sold by Apple. DirectX is an application program interface, which can make windows-based games or multimedia programs achieve higher execution efficiency, enhance 3d graphics and sound effects, and provide designers with the same hardware driver standard as other brands, so that game developers don't have to write different drivers for each brand's hardware. The main functions and characteristics of Authorware software, the compiled software can not only run in its integrated environment, but also be compiled into extension. EXE, which can run under Windows system without Authorware production environment.