FFIndex(string source, string cachefile = source + ".ffindex", int indexmask = 0, int dumpmask = 0, string audiofile = source, bool overwrite = false)
FFVideoSource(string source, int track, bool cache = true, string cachefile = source + ".ffindex", int fpsnum = -1, int fpsden = 1, string pp, int threads = -1, string timecodes, int seekmode = 1)
FFAudioSource(string source, int track, bool cache = true, string cachefile = source + ".ffindex")