Settings window #20
@@ -41,35 +41,35 @@ void CavaProcessor::process() {
|
||||
}
|
||||
|
||||
// --- 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
|
||||
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);
|
||||
}
|
||||
// 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
|
||||
// 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);
|
||||
// }
|
||||
|
||||
// Update values
|
||||
if (values != m_values) {
|
||||
@@ -112,7 +112,7 @@ void CavaProcessor::initCava() {
|
||||
return;
|
||||
}
|
||||
|
||||
m_plan = cava_init(m_bars, ac::SAMPLE_RATE, 1, 0, 0.55, 50, 10000);
|
||||
m_plan = cava_init(m_bars, ac::SAMPLE_RATE, 1, 1, 0.55, 50, 10000);
|
||||
m_out = new double[static_cast<size_t>(m_bars)];
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user