16     double dcshift; /* DC shift. */  member
30     dcs->dcshift = 1.0; /* default is no change */  in sox_dcshift_getopts()
37     if (argc && (!sscanf(argv[0], "%lf", &dcs->dcshift)))  in sox_dcshift_getopts()
52         dcs->limiterthreshhold = SOX_SAMPLE_MAX * (1.0 - (fabs(dcs->dcshift) - dcs->limitergain));  in sox_dcshift_getopts()
65     if (dcs->dcshift == 0)  in sox_dcshift_start()
81     double dcshift = dcs->dcshift;  in sox_dcshift_flow()  local
100                 if (sample > limiterthreshhold && dcshift > 0)  in sox_dcshift_flow()
102 …iterthreshhold) * limitergain / (SOX_SAMPLE_MAX - limiterthreshhold) + limiterthreshhold + dcshift;  in sox_dcshift_flow()
105                 else if (sample < -limiterthreshhold && dcshift < 0)  in sox_dcshift_flow()
110 …iterthreshhold) * limitergain / (SOX_SAMPLE_MAX - limiterthreshhold) - limiterthreshhold + dcshift;  in sox_dcshift_flow()
118                         sample = dcshift * SOX_SAMPLE_MAX + sample;  in sox_dcshift_flow()
126       double d = dcshift * (SOX_SAMPLE_MAX + 1.) + *ibuf++;  in sox_dcshift_flow()