Crossover          75 libavfilter/af_mcompand.c     Crossover filter;
Crossover         309 libavfilter/af_mcompand.c static int crossover_setup(AVFilterLink *outlink, Crossover *p, double frequency)
Crossover         509 libavfilter/af_mcompand.c static void crossover(int ch, Crossover *p,