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Plot export-limiter redux on analysis-report

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Robin Gareus 2021-04-09 06:17:54 +02:00
parent 68326f5017
commit d3d4a8664f
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1 changed files with 25 additions and 0 deletions
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25
gtk2_ardour/export_analysis_graphs.cc
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@ -155,6 +155,31 @@ ArdourGraphs::draw_waveform (Glib::RefPtr<Pango::Context> pctx, ExportAnalysisPt
cr->stroke (); cr->stroke ();
} }
/* redux */
cr->set_source_rgba (0.1, 0.4, 1.0, 0.7);
for (size_t x = 0; x < width; ++x) {
if (p->limiter_pk[x] > 1.0) {
float y = p->limiter_pk[x];
if (log) {
y = alt_log_meter (fast_coefficient_to_dB (1.f / p->limiter_pk[x]));
} else {
y = 1.f / p->limiter_pk[x];
}
if (rect) {
y = ht * (1.f - y);
cr->move_to (m_l + x - .5, 0);
cr->line_to (m_l + x - .5, y);
} else {
y = height_2 * y;
cr->move_to (m_l + x - .5, 0);
cr->line_to (m_l + x - .5, height_2 - y);
cr->move_to (m_l + x - .5, ht);
cr->line_to (m_l + x - .5, height_2 + y);
}
cr->stroke ();
}
}
if (!rect) { if (!rect) {
// zero line // zero line
cr->set_source_rgba (.3, .3, .3, 0.7); cr->set_source_rgba (.3, .3, .3, 0.7);