SimpleLFO          54 libavfilter/af_apulsator.c     SimpleLFO lfoL, lfoR;
SimpleLFO          85 libavfilter/af_apulsator.c static void lfo_advance(SimpleLFO *lfo, unsigned count)
SimpleLFO          92 libavfilter/af_apulsator.c static double lfo_get_value(SimpleLFO *lfo)