BASEFREQ           82 libavfilter/avf_showcqt.c     { "basefreq", "set base frequency", OFFSET(basefreq),  AV_OPT_TYPE_DOUBLE, { .dbl = BASEFREQ },      10.0, 100000.0, FLAGS },
BASEFREQ          469 libavfilter/avf_showcqt.c     if (s->basefreq != (double) BASEFREQ || s->endfreq != (double) ENDFREQ) {