ardour/livetrax
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Drop LPF of input level visualization in a-comp

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This commit is contained in:
Johannes Mueller 2017-08-07 13:23:31 +02:00 committed by Robin Gareus
parent c9bbb01d98
commit 619ba94f51
1 changed files with 47 additions and 6 deletions
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53
libs/plugins/a-comp.lv2/a-comp.c
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@ -27,6 +27,8 @@
#define ACOMP_URI "urn:ardour:a-comp"
#define ACOMP_STEREO_URI "urn:ardour:a-comp#stereo"
#define RESET_PEAK_AFTER_SECONDS 3
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
@ -102,6 +104,9 @@ typedef struct {
float v_lvl_in;
float v_lvl_out;
float v_state_x;
float v_peakdb;
uint32_t peakdb_samples;
#endif
} AComp;
@ -256,6 +261,11 @@ activate(LV2_Handle instance)
*(acomp->gainr) = 0.0f;
*(acomp->outlevel) = -70.0f;
*(acomp->inlevel) = -160.f;
#ifdef LV2_EXTENDED
acomp->v_peakdb = -160.f;
acomp->peakdb_samples = 0;
#endif
}
static void
@ -385,6 +395,18 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
#ifdef LV2_EXTENDED
acomp->v_gainr = max_gainr;
if (in_peak_db > acomp->v_peakdb) {
acomp->v_peakdb = in_peak_db;
acomp->peakdb_samples = 0;
} else {
acomp->peakdb_samples += n_samples;
if ((float)acomp->peakdb_samples/acomp->srate > RESET_PEAK_AFTER_SECONDS) {
acomp->v_peakdb = in_peak_db;
acomp->peakdb_samples = 0;
acomp->need_expose = true;
}
}
const float v_lvl_in = in_peak_db;
const float v_lvl_out = *acomp->outlevel;
@ -403,9 +425,8 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
fabsf (acomp->v_state_x - state_x) >= .1f ) {
// >= 0.1dB difference
acomp->need_expose = true;
const float relax_coef = exp(-5.f*n_samples/srate);
acomp->v_lvl_in = fmaxf (v_lvl_in, relax_coef*acomp->v_lvl_in + (1.f-relax_coef)*v_lvl_in);
acomp->v_lvl_out = fmaxf (v_lvl_out, relax_coef*acomp->v_lvl_out + (1.f-relax_coef)*v_lvl_out);
acomp->v_lvl_in = v_lvl_in;
acomp->v_lvl_out = v_lvl_out;
acomp->v_state_x = state_x;
}
if (acomp->need_expose && acomp->queue_draw) {
@ -550,6 +571,18 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
#ifdef LV2_EXTENDED
acomp->v_gainr = max_gainr;
if (in_peak_db > acomp->v_peakdb) {
acomp->v_peakdb = in_peak_db;
acomp->peakdb_samples = 0;
} else {
acomp->peakdb_samples += n_samples;
if ((float)acomp->peakdb_samples/acomp->srate > RESET_PEAK_AFTER_SECONDS) {
acomp->v_peakdb = in_peak_db;
acomp->peakdb_samples = 0;
acomp->need_expose = true;
}
}
const float v_lvl_in = in_peak_db;
const float v_lvl_out = *acomp->outlevel;
@ -568,9 +601,8 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
fabsf (acomp->v_state_x - state_x) >= .1f ) {
// >= 0.1dB difference
acomp->need_expose = true;
const float relax_coef = exp(-5.f*n_samples/srate);
acomp->v_lvl_in = fmaxf (v_lvl_in, relax_coef*acomp->v_lvl_in + (1.f-relax_coef)*v_lvl_in);
acomp->v_lvl_out = fmaxf (v_lvl_out, relax_coef*acomp->v_lvl_out + (1.f-relax_coef)*v_lvl_out);
acomp->v_lvl_in = v_lvl_in;
acomp->v_lvl_out = v_lvl_out;
acomp->v_state_x = state_x;
}
if (acomp->need_expose && acomp->queue_draw) {
@ -845,6 +877,15 @@ render_inline_only_bars (cairo_t* cr, const AComp* self)
cairo_set_line_width (cr, 2.0);
// visualize in peak
if (self->v_peakdb > -60.f) {
cairo_set_source_rgba (cr, 0.0, 1.0, 0.0, 1.0);
const float pk = (self->v_peakdb > 10.f) ? x1+wd : wd * (60.f+self->v_peakdb) / 70.f;
cairo_move_to (cr, pk, y1);
cairo_line_to (cr, pk, y1+ht);
cairo_stroke (cr);
}
// visualize threshold
const float tr = x1 + wd * (60.f+self->v_thresdb) / 70.f;
cairo_set_source_rgba (cr, 0.95, 0.95, 0.0, 1.0);