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Indicate gain reduction in a-comp

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Johannes Mueller 2017-07-13 15:35:12 +02:00 • committed by Robin Gareus
parent e65ff3fb4a
commit ccab32654b
1 changed files with 26 additions and 0 deletions
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26
libs/plugins/a-comp.lv2/a-comp.c
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@ -99,6 +99,7 @@ typedef struct {
float v_knee;
float v_ratio;
float v_thresdb;
float v_gainr;
float v_makeup;
float v_lvl;
float v_lvl_in;
@ -320,6 +321,7 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
#endif
float in_peak = 0;
acomp->v_gainr = 0.0;
for (i = 0; i < n_samples; i++) {
in0 = input[i];
@ -353,6 +355,9 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
Lgain = from_dB(cdb);
*(acomp->gainr) = Lyl;
if (Lyl > acomp->v_gainr) {
acomp->v_gainr = Lyl;
}
lgaininp = in0 * Lgain;
@ -459,6 +464,7 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
#endif
float in_peak = 0;
acomp->v_gainr = 0.0;
for (i = 0; i < n_samples; i++) {
in0 = input0[i];
@ -494,6 +500,9 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
Lgain = from_dB(cdb);
*(acomp->gainr) = Lyl;
if (Lyl > acomp->v_gainr) {
acomp->v_gainr = Lyl;
}
lgaininp = in0 * Lgain;
rgaininp = in1 * Lgain;
@ -653,6 +662,23 @@ render_inline (LV2_Handle instance, uint32_t w, uint32_t max_h)
cairo_stroke (cr);
}
{ // GR
const float x = -.5 + floorf (w * (62.5f / 70.f));
const float y = -.5 + floorf (h * (10.0f / 70.f));
const float wd = floorf (w * (5.f / 70.f));
const float ht = floorf (h * (55.f / 70.f));
cairo_rectangle (cr, x, y, wd, ht);
cairo_fill (cr);
const float h_gr = fminf (ht, floorf (h * self->v_gainr / 70.f));
cairo_set_source_rgba (cr, 0.95, 0.0, 0.0, 1.0);
cairo_rectangle (cr, x, y, wd, h_gr);
cairo_fill (cr);
cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 0.5);
cairo_rectangle (cr, x, y, wd, ht);
cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 1.0);
cairo_stroke (cr);
}
// draw curve
cairo_set_source_rgba (cr, .8, .8, .8, 1.0);