a-EQ: Revert one of the previous changes

[ardour.git] / libs / plugins / a-eq.lv2 / a-eq.c

diff --git a/libs/plugins/a-eq.lv2/a-eq.c b/libs/plugins/a-eq.lv2/a-eq.c
index d286552e033b41f43220c0e604cf052b0c978eb5..b0851f2120f73bc3d47829414c19973f3f310ab4 100644 (file)
--- a/libs/plugins/a-eq.lv2/a-eq.c
+++ b/libs/plugins/a-eq.lv2/a-eq.c
@@ -270,7 +270,7 @@ activate(LV2_Handle instance)
 static void linear_svf_set_peq(struct linear_svf *self, float gdb, float sample_rate, float cutoff, float bandwidth)
 {
        double f0 = (double)cutoff;
-       double q = (double)pow(2.0, 1.0 / bandwidth) / (pow(2.0, bandwidth) - 1.0);
+       double q = (double)pow(2.0, 0.5 * bandwidth) / (pow(2.0, bandwidth) - 1.0);
        double sr = (double)sample_rate;
        double A = pow(10.0, gdb/40.0);
 
@@ -393,23 +393,17 @@ run(LV2_Handle instance, uint32_t n_samples)
                        if (!is_eq(aeq->v_f0[i], *aeq->f0[i], 0.1)) {
                                aeq->v_f0[i] += tau * (*aeq->f0[i] - aeq->v_f0[i]);
                                changed = true;
-                       } else {
-                               aeq->v_f0[i] = *aeq->f0[i];
                        }
 
                        if (*aeq->filtog[i] <= 0 || *aeq->enable <= 0) {
                                if (!is_eq(aeq->v_g[i], 0.f, 0.05)) {
                                        aeq->v_g[i] += tau * (0.0 - aeq->v_g[i]);
                                        changed = true;
-                               } else {
-                                       aeq->v_g[i] = 0.0;
                                }
                        } else {
                                if (!is_eq(aeq->v_g[i], *aeq->g[i], 0.05)) {
                                        aeq->v_g[i] += tau * (*aeq->g[i] - aeq->v_g[i]);
                                        changed = true;
-                               } else {
-                                       aeq->v_g[i] = *aeq->g[i];
                                }
                        }
 
@@ -417,8 +411,6 @@ run(LV2_Handle instance, uint32_t n_samples)
                                if (!is_eq(aeq->v_bw[i], *aeq->bw[i], 0.001)) {
                                        aeq->v_bw[i] += tau * (*aeq->bw[i] - aeq->v_bw[i]);
                                        changed = true;
-                               } else {
-                                       aeq->v_bw[i] = *aeq->bw[i];
                                }
                        }