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It LiVES! Video Editing For FOSS Movie Makers

Jul 24, 2009, 02:03 (0 Talkback[s])
(Other stories by Dave Phillips)

"JACK is not absolutely necessary for LiVES, but some of its coolest features depend on it. Alas, JACK is not a typical component of the general-purpose Linux desktop, though it should be available for all mainstream Linux distributions. Serious Linux audio producers will have it installed as a matter of course. Tabulating JACK's virtues is beyond the scope of this article, so I'll refer readers to the JACK Web home for current in-depth information. However, it is worth pointing out that JACK is specially designed to work with a kernel patched and configured for low-latency performance, so if you plan to use it make sure that you also have access to a modified kernel. Fortunately most mainstream distributions now include a realtime kernel in their repositories. Check with your package management software to see if an rt kernel is available for your distribution of choice. Further adjustment to your system may be necessary before you can enjoy the benefits of low-latency realtime operations. See the JACK FAQ sheet for complete instructions.

"Okay, you have a low-latency kernel, JACK is present and correctly configured for realtime performance, and LiVES starts up properly. You may note that when the program opens it lists the support components compiled into the binary (see Figure 1). Assuming no faults or showstopping bugs we're ready to work with LiVES."

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