10   "GAIN [TYPE [LIMITERGAIN]]\n" \
13   "\tThe peak limiter has a gain much less than 1 (e.g. 0.05 or 0.02) and\n" \
19   double    gain; /* amplitude gain. */  member
36  * Process options: gain (float) type (amplitude, power, dB)
47   vol->gain = 1;               /* Default is no change. */  in getopts()
51 …if (!argc || (have_type = sscanf(argv[0], "%lf %10s %c", &vol->gain, type_string, &dummy) - 1) > 1)  in getopts()
67       case vol_dB: vol->gain = dB_to_linear(vol->gain); break;  in getopts()
69         vol->gain = vol->gain > 0 ? sqrt(vol->gain) : -sqrt(-vol->gain);  in getopts()
75 …if (fabs(vol->gain) < 1 || sscanf(*argv, "%lf %c", &vol->limitergain, &dummy) != 1 || vol->limiter…  in getopts()
85 …vol->limiterthreshhold = SOX_SAMPLE_MAX * (1.0 - vol->limitergain) / (fabs(vol->gain) - vol->limit…  in getopts()
87   lsx_debug("mult=%g limit=%g", vol->gain, vol->limitergain);  in getopts()
98     if (vol->gain == 1)  in start()
114     register double gain = vol->gain;  in flow()  local
149                         sample = gain * sample;  in flow()
160                 sample = gain * *ibuf++;  in flow()