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cava + nix

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Zacharias-Brohn
2026-02-26 16:27:05 +01:00
parent 09a93d9420
commit afb736102d
11 changed files with 311 additions and 237 deletions
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Plugins/ZShell/Services/cavaprovider.cpp
+12 -29
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@@ -4,7 +4,6 @@
#include "audioprovider.hpp"
#include <algorithm>
#include <cava/cavacore.h>
#include <cmath>
#include <cstddef>
#include <qdebug.h>
@@ -40,35 +39,19 @@ void CavaProcessor::process() {
values[i] = std::clamp(m_out[i], 0.0, 1.0);
}
// --- spectral contrast (removes the "everything rises together" effect)
// QVector<double> tmp = values;
// auto* b = tmp.data();
// auto* e = b + tmp.size();
//
// auto pct = [&](double p) -> double {
// const qsizetype n = tmp.size();
// if (n <= 0) return 0.0;
//
// // p in [0,1] -> index in [0, n-1]
// const double pos = p * double(n - 1);
// qsizetype k = static_cast<qsizetype>(std::llround(pos));
// k = std::clamp<qsizetype>(k, 0, n - 1);
//
// auto first = tmp.begin();
// auto nth = first + k;
// std::nth_element(first, nth, tmp.end());
// return *nth;
// };
//
// const double floor = pct(0.25);
// const double ceil = pct(0.95);
// const double range = std::max(1e-6, ceil - floor);
//
// const double gamma = 1.6; // 1.3..2.2 range; higher = more contrast
// Left to right pass
// const double inv = 1.0 / 1.5;
// double carry = 0.0;
// for (int i = 0; i < m_bars; ++i) {
// double x = (values[i] - floor) / range;
// x = std::clamp(x, 0.0, 1.0);
// values[i] = std::pow(x, gamma);
// carry = std::max(m_out[i], carry * inv);
// values[i] = carry;
// }
//
// // Right to left pass and combine
// carry = 0.0;
// for (int i = m_bars - 1; i >= 0; --i) {
// carry = std::max(m_out[i], carry * inv);
// values[i] = std::max(values[i], carry);
// }
// Update values