media-video/motiontrack
A set of tools that detect motion between two images
USE Flags
debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
graphicsmagick
Global: Enable media-gfx/graphicsmagick support
imagemagick
Global: Enables support for Imagemagick (image converter)
multiprocess
Global: Enables multi-process support (SMP/cluster) for motiontrack programs
Local: Enables multi-process support (SMP/cluster) for motiontrack programs