SELECT_GAIN       841 libavfilter/af_firequalizer.c     return generate_kernel(ctx, SELECT_GAIN(s), SELECT_GAIN_ENTRY(s));
SELECT_GAIN       911 libavfilter/af_firequalizer.c         if (SELECT_GAIN(s) && !strcmp(SELECT_GAIN(s), args)) {
SELECT_GAIN       939 libavfilter/af_firequalizer.c         ret = generate_kernel(ctx, SELECT_GAIN(s), gain_entry_cmd);