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Indicate input level in a-exp's inline display rather than output

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This commit is contained in:
Johannes Mueller 2017-08-04 15:52:44 +02:00
parent 0eaf7b1e18
commit 8be06e6e63
1 changed files with 20 additions and 15 deletions
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35
libs/plugins/a-exp.lv2/a-exp.c
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@ -329,7 +329,7 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
aexp->need_expose = true;
}
#endif
float in_peak_db = -160.f;
old_gainr = *aexp->gainr;
aexp->v_gainr = 0.0;
@ -341,6 +341,10 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
Lxg = (ingain==0.f) ? -160.f : to_dB(ingain);
Lxg = sanitize_denormal(Lxg);
if (Lxg > in_peak_db) {
in_peak_db = Lxg;
}
if (2.f*(Lxg-thresdb) < -width) {
Lyg = thresdb + (Lxg-thresdb) * ratio;
Lyg = sanitize_denormal(Lyg);
@ -381,16 +385,14 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
aexp->makeup_gain = makeup_gain;
#ifdef LV2_EXTENDED
const float v_lvl_out = (max < 0.001f) ? -60.f : to_dB(max);
const float v_lvl_in = v_lvl_out > thresdb ?
v_lvl_out :
(aexp->v_lvl_out - thresdb * (1.f-ratio))/ratio;
const float v_lvl_out = (max < 0.001f) ? -1600.f : to_dB(max);
const float v_lvl_in = in_peak_db;
if (fabsf (aexp->v_lvl_out - v_lvl_out) >= 1 || fabsf (aexp->v_lvl_in - v_lvl_in) >= 1) {
// >= 1dB difference
aexp->need_expose = true;
aexp->v_lvl_in = v_lvl_in;
const float relax_coef = exp(-(float)n_samples/srate);
const float relax_coef = exp(-5.f*n_samples/srate);
aexp->v_lvl_in = fmaxf (v_lvl_in, relax_coef*aexp->v_lvl_in + (1.f-relax_coef)*v_lvl_in);
aexp->v_lvl_out = fmaxf (v_lvl_out, relax_coef*aexp->v_lvl_out + (1.f-relax_coef)*v_lvl_out);
}
if (aexp->need_expose && aexp->queue_draw) {
@ -479,6 +481,7 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
}
#endif
float in_peak_db = -160.f;
old_gainr = *aexp->gainr;
aexp->v_gainr = 0.0;
@ -492,6 +495,10 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
Lxg = (ingain==0.f) ? -160.f : to_dB(ingain);
Lxg = sanitize_denormal(Lxg);
if (Lxg > in_peak_db) {
in_peak_db = Lxg;
}
if (2.f*(Lxg-thresdb) < -width) {
Lyg = thresdb + (Lxg-thresdb) * ratio;
Lyg = sanitize_denormal(Lyg);
@ -535,16 +542,14 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
aexp->makeup_gain = makeup_gain;
#ifdef LV2_EXTENDED
const float v_lvl_out = (max < 0.001f) ? -60.f : to_dB(max);
const float v_lvl_in = v_lvl_out > thresdb ?
v_lvl_out :
(aexp->v_lvl_out - thresdb * (1.f-ratio))/ratio;
const float v_lvl_out = (max < 0.001f) ? -1600.f : to_dB(max);
const float v_lvl_in = in_peak_db;
if (fabsf (aexp->v_lvl_out - v_lvl_out) >= 1 || fabsf (aexp->v_lvl_in - v_lvl_in) >= 1) {
// >= 1dB difference
aexp->need_expose = true;
aexp->v_lvl_in = v_lvl_in;
const float relax_coef = exp(-2.0*n_samples/srate);
const float relax_coef = exp(-5.f*n_samples/srate);
aexp->v_lvl_in = fmaxf (v_lvl_in, relax_coef*aexp->v_lvl_in + (1.f-relax_coef)*v_lvl_in);
aexp->v_lvl_out = fmaxf (v_lvl_out, relax_coef*aexp->v_lvl_out + (1.f-relax_coef)*v_lvl_out);
}
if (aexp->need_expose && aexp->queue_draw) {
@ -764,7 +769,7 @@ render_inline_only_bars (cairo_t* cr, const AExp* self)
cairo_rectangle (cr, x1+wd-w_gr, y2, w_gr, ht);
cairo_fill (cr);
if (self->v_lvl_out > -60.f) {
if (self->v_lvl_in > -60.f) {
if (self->v_lvl_out > 10.f) {
cairo_set_source_rgba (cr, 0.75, 0.0, 0.0, 1.0);
} else if (self->v_lvl_out > 0.f) {
@ -772,7 +777,7 @@ render_inline_only_bars (cairo_t* cr, const AExp* self)
} else {
cairo_set_source_rgba (cr, 0.0, 0.66, 0.0, 1.0);
}
const float w_g = (self->v_lvl_out > 10.f) ? wd : wd * (60.f+self->v_lvl_out) / 70.f;
const float w_g = (self->v_lvl_in > 10.f) ? wd : wd * (60.f+self->v_lvl_in) / 70.f;
cairo_rectangle (cr, x1, y1, w_g, ht);
cairo_fill (cr);
}