Stretch tuning demo
This commit is contained in:
Jean Pierre Cimalando
parent
d9e49f7dc5
commit
6b906192de
8 changed files with 716 additions and 0 deletions
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@ -8,6 +8,7 @@
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#include "Debug.h"
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#include "absl/types/optional.h"
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#include "Tunings.h" // Surge tuning library
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#include <algorithm>
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#include <fstream>
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#include <sstream>
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#include <array>
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@ -248,5 +249,77 @@ bool Tuning::shouldReloadScala()
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return impl_->shouldReloadScala();
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}
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///
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float StretchTuning::getRatioForIntegralKey(int key) const noexcept
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{
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return keyDetuneRatio_[std::max(0, std::min(127, key))];
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}
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float StretchTuning::getRatioForFractionalKey(float key) const noexcept
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{
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int index1 = static_cast<int>(key);
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float mu = key - index1;
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index1 = std::max(0, std::min(127, index1));
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int index2 = std::min(127, index1 + 1);
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return keyDetuneRatio_[index1] * (1 - mu) + keyDetuneRatio_[index2] * mu;
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}
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StretchTuning StretchTuning::createFromDetuneRatios(const float detune[128])
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{
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StretchTuning t;
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std::copy(detune, detune + 128, t.keyDetuneRatio_);
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return t;
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}
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StretchTuning StretchTuning::createRailsbackFromRatio(float stretch)
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{
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float data[128];
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static constexpr float railsback21[128] = {
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#include "sfizz/railsback/2-1.h"
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};
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static constexpr float railsback41[128] = {
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#include "sfizz/railsback/4-1.h"
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};
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static constexpr float railsback42[128] = {
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#include "sfizz/railsback/4-2.h"
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};
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// known curves and their matching knob positions
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const int num_curves = 3;
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const float* curves[] = {railsback21, railsback41, railsback42};
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const float points[] = {0.25f, 0.5f, 1.0f};
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//
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int index = -1;
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while (index + 1 < num_curves && stretch >= points[index + 1])
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++index;
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//
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if (index < 0) {
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float mu = std::max(0.0f, stretch / points[0]);
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const float* c = curves[0];
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for (int i = 0; i < 128; ++i)
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data[i] = mu * c[i] + (1 - mu);
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}
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else if (index + 1 < num_curves) {
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float mu = (stretch - points[index]) / (points[index + 1] - points[index]);
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const float* c1 = curves[index];
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const float* c2 = curves[index + 1];
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for (int i = 0; i < 128; ++i)
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data[i] = mu * c2[i] + (1 - mu) * c1[i];
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}
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else {
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const float* c = curves[num_curves - 1];
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for (int i = 0; i < 128; ++i)
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data[i] = c[i];
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}
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//
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return createFromDetuneRatios(data);
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}
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} // namespace sfz
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@ -71,4 +71,16 @@ private:
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std::unique_ptr<Impl> impl_;
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};
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class StretchTuning {
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public:
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float getRatioForIntegralKey(int key) const noexcept;
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float getRatioForFractionalKey(float key) const noexcept;
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static StretchTuning createFromDetuneRatios(const float detune[128]);
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static StretchTuning createRailsbackFromRatio(float stretch);
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private:
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float keyDetuneRatio_[128] {};
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};
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} // namespace sfz
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135
src/sfizz/railsback/2-1.h
Normal file
135
src/sfizz/railsback/2-1.h
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@ -0,0 +1,135 @@
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// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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/* Railsback curve 2-1 */
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0.995011, /* key 0: -8.658702 cents (extrapolated) */
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0.995085, /* key 1: -8.529617 cents (extrapolated) */
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0.995162, /* key 2: -8.395871 cents (extrapolated) */
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0.995242, /* key 3: -8.257465 cents (extrapolated) */
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0.995324, /* key 4: -8.114399 cents (extrapolated) */
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0.995409, /* key 5: -7.966672 cents (extrapolated) */
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0.995496, /* key 6: -7.814285 cents (extrapolated) */
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0.995587, /* key 7: -7.657238 cents (extrapolated) */
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0.995680, /* key 8: -7.495530 cents (extrapolated) */
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0.995775, /* key 9: -7.329161 cents (extrapolated) */
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0.995874, /* key 10: -7.158133 cents (extrapolated) */
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0.995975, /* key 11: -6.982444 cents (extrapolated) */
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0.996079, /* key 12: -6.802095 cents (extrapolated) */
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0.996185, /* key 13: -6.617085 cents (extrapolated) */
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0.996294, /* key 14: -6.427415 cents (extrapolated) */
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0.996406, /* key 15: -6.233084 cents (extrapolated) */
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0.996521, /* key 16: -6.034094 cents (extrapolated) */
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0.996638, /* key 17: -5.830443 cents (extrapolated) */
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0.996758, /* key 18: -5.622131 cents (extrapolated) */
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0.996880, /* key 19: -5.409159 cents (extrapolated) */
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0.997006, /* key 20: -5.191527 cents (extrapolated) */
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0.997134, /* key 21: -4.969234 cents (extrapolated) */
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0.997264, /* key 22: -4.742281 cents (extrapolated) */
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0.997398, /* key 23: -4.510668 cents (extrapolated) */
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0.997534, /* key 24: -4.274394 cents (extrapolated) */
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0.997673, /* key 25: -4.033460 cents (extrapolated) */
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0.997814, /* key 26: -3.787866 cents (extrapolated) */
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0.997959, /* key 27: -3.537611 cents */
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0.998106, /* key 28: -3.282696 cents */
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0.998255, /* key 29: -3.023120 cents */
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0.998408, /* key 30: -2.758884 cents */
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0.998562, /* key 31: -2.491368 cents */
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0.998706, /* key 32: -2.241976 cents */
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0.998835, /* key 33: -2.018026 cents */
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0.998951, /* key 34: -1.817862 cents */
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0.999066, /* key 35: -1.617934 cents */
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0.999186, /* key 36: -1.410588 cents */
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0.999308, /* key 37: -1.197763 cents */
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0.999421, /* key 38: -1.002872 cents */
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0.999519, /* key 39: -0.832780 cents */
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0.999604, /* key 40: -0.686387 cents */
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0.999683, /* key 41: -0.549253 cents */
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0.999759, /* key 42: -0.416912 cents */
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0.999833, /* key 43: -0.289964 cents */
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0.999899, /* key 44: -0.175639 cents */
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0.999956, /* key 45: -0.076060 cents */
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1.000005, /* key 46: 0.008822 cents */
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1.000046, /* key 47: 0.079500 cents */
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1.000079, /* key 48: 0.136106 cents */
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1.000103, /* key 49: 0.178641 cents */
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1.000120, /* key 50: 0.207103 cents */
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1.000128, /* key 51: 0.221494 cents */
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1.000129, /* key 52: 0.222942 cents */
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1.000129, /* key 53: 0.223104 cents */
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1.000130, /* key 54: 0.225054 cents */
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1.000132, /* key 55: 0.228792 cents */
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1.000135, /* key 56: 0.234318 cents */
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1.000140, /* key 57: 0.241632 cents */
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1.000145, /* key 58: 0.250734 cents */
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1.000151, /* key 59: 0.261624 cents */
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1.000158, /* key 60: 0.274302 cents */
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1.000167, /* key 61: 0.288924 cents */
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1.000177, /* key 62: 0.306785 cents */
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1.000190, /* key 63: 0.328176 cents */
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1.000204, /* key 64: 0.353095 cents */
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1.000220, /* key 65: 0.381543 cents */
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1.000239, /* key 66: 0.413520 cents */
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1.000261, /* key 67: 0.452181 cents */
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1.000301, /* key 68: 0.520401 cents */
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1.000360, /* key 69: 0.622735 cents */
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1.000437, /* key 70: 0.756456 cents */
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1.000522, /* key 71: 0.904153 cents */
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1.000614, /* key 72: 1.062739 cents */
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1.000711, /* key 73: 1.231072 cents */
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1.000810, /* key 74: 1.401365 cents */
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1.000909, /* key 75: 1.572155 cents */
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1.001009, /* key 76: 1.745072 cents */
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1.001119, /* key 77: 1.935654 cents */
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1.001241, /* key 78: 2.147768 cents */
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1.001376, /* key 79: 2.381211 cents */
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1.001523, /* key 80: 2.634168 cents */
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1.001680, /* key 81: 2.906211 cents */
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1.001847, /* key 82: 3.193974 cents */
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1.002007, /* key 83: 3.471247 cents */
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1.002158, /* key 84: 3.732482 cents */
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1.002305, /* key 85: 3.985981 cents */
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1.002487, /* key 86: 4.301067 cents */
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1.002715, /* key 87: 4.693299 cents */
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1.002982, /* key 88: 5.154494 cents */
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1.003252, /* key 89: 5.620512 cents */
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1.003517, /* key 90: 6.077690 cents */
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1.003779, /* key 91: 6.530662 cents */
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1.004058, /* key 92: 7.011498 cents */
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1.004357, /* key 93: 7.526323 cents */
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1.004673, /* key 94: 8.071295 cents */
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1.004991, /* key 95: 8.619646 cents */
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1.005309, /* key 96: 9.166235 cents */
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1.005630, /* key 97: 9.720017 cents */
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1.005990, /* key 98: 10.339965 cents */
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1.006395, /* key 99: 11.036832 cents */
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1.006839, /* key 100: 11.800397 cents */
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1.007285, /* key 101: 12.566840 cents */
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1.007727, /* key 102: 13.325103 cents */
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1.008163, /* key 103: 14.075186 cents */
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1.008595, /* key 104: 14.817087 cents */
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1.009023, /* key 105: 15.550807 cents (extrapolated) */
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1.009446, /* key 106: 16.276347 cents (extrapolated) */
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1.009864, /* key 107: 16.993705 cents (extrapolated) */
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1.010278, /* key 108: 17.702883 cents (extrapolated) */
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1.010687, /* key 109: 18.403880 cents (extrapolated) */
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1.011092, /* key 110: 19.096696 cents (extrapolated) */
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1.011492, /* key 111: 19.781331 cents (extrapolated) */
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1.011887, /* key 112: 20.457786 cents (extrapolated) */
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1.012278, /* key 113: 21.126059 cents (extrapolated) */
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1.012664, /* key 114: 21.786151 cents (extrapolated) */
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1.013045, /* key 115: 22.438063 cents (extrapolated) */
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1.013422, /* key 116: 23.081794 cents (extrapolated) */
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1.013794, /* key 117: 23.717344 cents (extrapolated) */
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1.014161, /* key 118: 24.344713 cents (extrapolated) */
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1.014524, /* key 119: 24.963901 cents (extrapolated) */
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1.014882, /* key 120: 25.574908 cents (extrapolated) */
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1.015236, /* key 121: 26.177735 cents (extrapolated) */
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1.015585, /* key 122: 26.772380 cents (extrapolated) */
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1.015929, /* key 123: 27.358845 cents (extrapolated) */
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1.016268, /* key 124: 27.937129 cents (extrapolated) */
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1.016603, /* key 125: 28.507232 cents (extrapolated) */
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1.016933, /* key 126: 29.069154 cents (extrapolated) */
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1.017258, /* key 127: 29.622895 cents (extrapolated) */
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135
src/sfizz/railsback/4-1.h
Normal file
135
src/sfizz/railsback/4-1.h
Normal file
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@ -0,0 +1,135 @@
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// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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/* Railsback curve 4-1 */
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0.939286, /* key 0: -108.436476 cents (extrapolated) */
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0.942401, /* key 1: -102.705252 cents (extrapolated) */
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0.945435, /* key 2: -97.139571 cents (extrapolated) */
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0.948389, /* key 3: -91.739433 cents (extrapolated) */
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0.951261, /* key 4: -86.504836 cents (extrapolated) */
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0.954050, /* key 5: -81.435782 cents (extrapolated) */
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0.956756, /* key 6: -76.532270 cents (extrapolated) */
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0.959378, /* key 7: -71.794300 cents (extrapolated) */
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0.961915, /* key 8: -67.221873 cents (extrapolated) */
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0.964367, /* key 9: -62.814988 cents (extrapolated) */
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0.966732, /* key 10: -58.573645 cents (extrapolated) */
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0.969011, /* key 11: -54.497845 cents (extrapolated) */
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0.971202, /* key 12: -50.587587 cents (extrapolated) */
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0.973305, /* key 13: -46.842871 cents (extrapolated) */
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0.975320, /* key 14: -43.263697 cents (extrapolated) */
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0.977245, /* key 15: -39.850066 cents (extrapolated) */
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0.979080, /* key 16: -36.601977 cents (extrapolated) */
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0.980825, /* key 17: -33.519430 cents (extrapolated) */
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0.982479, /* key 18: -30.602425 cents (extrapolated) */
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0.984041, /* key 19: -27.850963 cents (extrapolated) */
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0.985512, /* key 20: -25.265043 cents (extrapolated) */
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0.986891, /* key 21: -22.844666 cents (extrapolated) */
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0.988177, /* key 22: -20.589830 cents (extrapolated) */
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0.989371, /* key 23: -18.500537 cents (extrapolated) */
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0.990471, /* key 24: -16.576786 cents (extrapolated) */
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0.991477, /* key 25: -14.818578 cents (extrapolated) */
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0.992390, /* key 26: -13.225912 cents (extrapolated) */
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0.993208, /* key 27: -11.798788 cents */
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0.993932, /* key 28: -10.537206 cents */
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0.994561, /* key 29: -9.441167 cents */
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0.995096, /* key 30: -8.510670 cents */
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0.995559, /* key 31: -7.706263 cents */
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0.995995, /* key 32: -6.947307 cents */
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0.996407, /* key 33: -6.231943 cents */
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0.996789, /* key 34: -5.567941 cents */
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0.997140, /* key 35: -4.957876 cents */
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0.997460, /* key 36: -4.403642 cents */
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0.997745, /* key 37: -3.908466 cents */
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0.997997, /* key 38: -3.470683 cents */
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0.998229, /* key 39: -3.068428 cents */
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0.998444, /* key 40: -2.695061 cents */
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0.998640, /* key 41: -2.355536 cents */
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0.998811, /* key 42: -2.059656 cents */
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0.998957, /* key 43: -1.805795 cents */
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0.999095, /* key 44: -1.567663 cents */
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0.999228, /* key 45: -1.336825 cents */
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0.999357, /* key 46: -1.113643 cents */
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0.999479, /* key 47: -0.902246 cents */
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0.999594, /* key 48: -0.703804 cents */
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0.999701, /* key 49: -0.518051 cents */
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0.999803, /* key 50: -0.341900 cents */
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0.999899, /* key 51: -0.174467 cents */
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0.999990, /* key 52: -0.016924 cents */
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1.000069, /* key 53: 0.119979 cents */
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1.000135, /* key 54: 0.233645 cents */
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1.000196, /* key 55: 0.338454 cents */
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||||
1.000261, /* key 56: 0.452623 cents */
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1.000330, /* key 57: 0.571568 cents */
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1.000398, /* key 58: 0.688154 cents */
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1.000463, /* key 59: 0.801883 cents */
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1.000525, /* key 60: 0.908646 cents */
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1.000582, /* key 61: 1.007402 cents */
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1.000635, /* key 62: 1.099408 cents */
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1.000690, /* key 63: 1.194622 cents */
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1.000748, /* key 64: 1.295185 cents */
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1.000809, /* key 65: 1.400548 cents */
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1.000871, /* key 66: 1.506439 cents */
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1.000932, /* key 67: 1.611953 cents */
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1.000998, /* key 68: 1.727714 cents */
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1.001079, /* key 69: 1.867793 cents */
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1.001173, /* key 70: 2.029542 cents */
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1.001269, /* key 71: 2.195080 cents */
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1.001365, /* key 72: 2.361143 cents */
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1.001463, /* key 73: 2.530246 cents */
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1.001572, /* key 74: 2.719392 cents */
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1.001695, /* key 75: 2.931762 cents */
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1.001831, /* key 76: 3.166801 cents */
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1.001977, /* key 77: 3.418944 cents */
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1.002132, /* key 78: 3.686750 cents */
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1.002296, /* key 79: 3.970898 cents */
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1.002474, /* key 80: 4.277766 cents */
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1.002666, /* key 81: 4.608921 cents */
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1.002873, /* key 82: 4.965874 cents */
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1.003102, /* key 83: 5.361161 cents */
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1.003354, /* key 84: 5.797580 cents */
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1.003633, /* key 85: 6.277406 cents */
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1.003948, /* key 86: 6.821544 cents */
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1.004304, /* key 87: 7.435055 cents */
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1.004696, /* key 88: 8.110190 cents */
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1.005088, /* key 89: 8.786767 cents */
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1.005475, /* key 90: 9.452064 cents */
|
||||
1.005861, /* key 91: 10.116356 cents */
|
||||
1.006287, /* key 92: 10.849495 cents */
|
||||
1.006760, /* key 93: 11.664603 cents */
|
||||
1.007286, /* key 94: 12.567428 cents */
|
||||
1.007886, /* key 95: 13.598919 cents */
|
||||
1.008566, /* key 96: 14.767105 cents */
|
||||
1.009328, /* key 97: 16.073381 cents */
|
||||
1.010176, /* key 98: 17.527215 cents */
|
||||
1.011111, /* key 99: 19.130383 cents */
|
||||
1.012135, /* key 100: 20.882887 cents */
|
||||
1.013248, /* key 101: 22.784726 cents (extrapolated) */
|
||||
1.014449, /* key 102: 24.835900 cents (extrapolated) */
|
||||
1.015739, /* key 103: 27.036410 cents (extrapolated) */
|
||||
1.017119, /* key 104: 29.386254 cents (extrapolated) */
|
||||
1.018588, /* key 105: 31.885434 cents (extrapolated) */
|
||||
1.020148, /* key 106: 34.533949 cents (extrapolated) */
|
||||
1.021798, /* key 107: 37.331799 cents (extrapolated) */
|
||||
1.023539, /* key 108: 40.278984 cents (extrapolated) */
|
||||
1.025371, /* key 109: 43.375505 cents (extrapolated) */
|
||||
1.027295, /* key 110: 46.621360 cents (extrapolated) */
|
||||
1.029312, /* key 111: 50.016551 cents (extrapolated) */
|
||||
1.031422, /* key 112: 53.561077 cents (extrapolated) */
|
||||
1.033625, /* key 113: 57.254938 cents (extrapolated) */
|
||||
1.035922, /* key 114: 61.098134 cents (extrapolated) */
|
||||
1.038314, /* key 115: 65.090666 cents (extrapolated) */
|
||||
1.040801, /* key 116: 69.232533 cents (extrapolated) */
|
||||
1.043384, /* key 117: 73.523734 cents (extrapolated) */
|
||||
1.046063, /* key 118: 77.964271 cents (extrapolated) */
|
||||
1.048840, /* key 119: 82.554143 cents (extrapolated) */
|
||||
1.051715, /* key 120: 87.293351 cents (extrapolated) */
|
||||
1.054689, /* key 121: 92.181893 cents (extrapolated) */
|
||||
1.057763, /* key 122: 97.219771 cents (extrapolated) */
|
||||
1.060937, /* key 123: 102.406984 cents (extrapolated) */
|
||||
1.064213, /* key 124: 107.743532 cents (extrapolated) */
|
||||
1.067590, /* key 125: 113.229415 cents (extrapolated) */
|
||||
1.071071, /* key 126: 118.864633 cents (extrapolated) */
|
||||
1.074656, /* key 127: 124.649187 cents (extrapolated) */
|
||||
135
src/sfizz/railsback/4-2.h
Normal file
135
src/sfizz/railsback/4-2.h
Normal file
|
|
@ -0,0 +1,135 @@
|
|||
// SPDX-License-Identifier: BSD-2-Clause
|
||||
|
||||
// This code is part of the sfizz library and is licensed under a BSD 2-clause
|
||||
// license. You should have receive a LICENSE.md file along with the code.
|
||||
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
|
||||
|
||||
/* Railsback curve 4-2 */
|
||||
0.968133, /* key 0: -56.068174 cents (extrapolated) */
|
||||
0.969216, /* key 1: -54.130975 cents (extrapolated) */
|
||||
0.970284, /* key 2: -52.225304 cents (extrapolated) */
|
||||
0.971335, /* key 3: -50.351161 cents (extrapolated) */
|
||||
0.972369, /* key 4: -48.508548 cents (extrapolated) */
|
||||
0.973387, /* key 5: -46.697464 cents (extrapolated) */
|
||||
0.974388, /* key 6: -44.917908 cents (extrapolated) */
|
||||
0.975372, /* key 7: -43.169881 cents (extrapolated) */
|
||||
0.976340, /* key 8: -41.453383 cents (extrapolated) */
|
||||
0.977291, /* key 9: -39.768414 cents (extrapolated) */
|
||||
0.978225, /* key 10: -38.114974 cents (extrapolated) */
|
||||
0.979141, /* key 11: -36.493062 cents (extrapolated) */
|
||||
0.980041, /* key 12: -34.902679 cents (extrapolated) */
|
||||
0.980924, /* key 13: -33.343826 cents (extrapolated) */
|
||||
0.981790, /* key 14: -31.816500 cents (extrapolated) */
|
||||
0.982639, /* key 15: -30.320704 cents (extrapolated) */
|
||||
0.983470, /* key 16: -28.856437 cents (extrapolated) */
|
||||
0.984284, /* key 17: -27.423698 cents (extrapolated) */
|
||||
0.985081, /* key 18: -26.022489 cents (extrapolated) */
|
||||
0.985861, /* key 19: -24.652808 cents (extrapolated) */
|
||||
0.986623, /* key 20: -23.314656 cents (extrapolated) */
|
||||
0.987368, /* key 21: -22.008032 cents (extrapolated) */
|
||||
0.988096, /* key 22: -20.732938 cents (extrapolated) */
|
||||
0.988806, /* key 23: -19.489372 cents (extrapolated) */
|
||||
0.989498, /* key 24: -18.277335 cents (extrapolated) */
|
||||
0.990173, /* key 25: -17.096827 cents (extrapolated) */
|
||||
0.990830, /* key 26: -15.947848 cents (extrapolated) */
|
||||
0.991470, /* key 27: -14.830398 cents (extrapolated) */
|
||||
0.992092, /* key 28: -13.744476 cents */
|
||||
0.992697, /* key 29: -12.690084 cents */
|
||||
0.993283, /* key 30: -11.667220 cents */
|
||||
0.993852, /* key 31: -10.675885 cents */
|
||||
0.994403, /* key 32: -9.716079 cents */
|
||||
0.994935, /* key 33: -8.791019 cents */
|
||||
0.995443, /* key 34: -7.906923 cents */
|
||||
0.995928, /* key 35: -7.063949 cents */
|
||||
0.996389, /* key 36: -6.263628 cents */
|
||||
0.996814, /* key 37: -5.524320 cents */
|
||||
0.997202, /* key 38: -4.851382 cents */
|
||||
0.997551, /* key 39: -4.244205 cents */
|
||||
0.997868, /* key 40: -3.695396 cents */
|
||||
0.998152, /* key 41: -3.202781 cents */
|
||||
0.998405, /* key 42: -2.763831 cents */
|
||||
0.998641, /* key 43: -2.354022 cents */
|
||||
0.998864, /* key 44: -1.967171 cents */
|
||||
0.999074, /* key 45: -1.603278 cents */
|
||||
0.999267, /* key 46: -1.268779 cents */
|
||||
0.999438, /* key 47: -0.973349 cents */
|
||||
0.999586, /* key 48: -0.717082 cents */
|
||||
0.999713, /* key 49: -0.497215 cents */
|
||||
0.999837, /* key 50: -0.283052 cents */
|
||||
0.999962, /* key 51: -0.066075 cents */
|
||||
1.000087, /* key 52: 0.150991 cents */
|
||||
1.000196, /* key 53: 0.340017 cents */
|
||||
1.000285, /* key 54: 0.493590 cents */
|
||||
1.000364, /* key 55: 0.630714 cents */
|
||||
1.000450, /* key 56: 0.778589 cents */
|
||||
1.000542, /* key 57: 0.937723 cents */
|
||||
1.000641, /* key 58: 1.108577 cents */
|
||||
1.000746, /* key 59: 1.291156 cents */
|
||||
1.000860, /* key 60: 1.487486 cents */
|
||||
1.000983, /* key 61: 1.700692 cents */
|
||||
1.001116, /* key 62: 1.930806 cents */
|
||||
1.001259, /* key 63: 2.177830 cents */
|
||||
1.001419, /* key 64: 2.454501 cents */
|
||||
1.001605, /* key 65: 2.777218 cents */
|
||||
1.001819, /* key 66: 3.146046 cents */
|
||||
1.002058, /* key 67: 3.558460 cents */
|
||||
1.002311, /* key 68: 3.995879 cents */
|
||||
1.002576, /* key 69: 4.454554 cents */
|
||||
1.002854, /* key 70: 4.934013 cents */
|
||||
1.003142, /* key 71: 5.431357 cents */
|
||||
1.003441, /* key 72: 5.946093 cents */
|
||||
1.003750, /* key 73: 6.480558 cents */
|
||||
1.004081, /* key 74: 7.050077 cents */
|
||||
1.004433, /* key 75: 7.657436 cents */
|
||||
1.004808, /* key 76: 8.304413 cents */
|
||||
1.005217, /* key 77: 9.008633 cents */
|
||||
1.005662, /* key 78: 9.774607 cents */
|
||||
1.006141, /* key 79: 10.598988 cents */
|
||||
1.006636, /* key 80: 11.450574 cents */
|
||||
1.007143, /* key 81: 12.321738 cents */
|
||||
1.007662, /* key 82: 13.213585 cents */
|
||||
1.008198, /* key 83: 14.135184 cents */
|
||||
1.008754, /* key 84: 15.088542 cents */
|
||||
1.009329, /* key 85: 16.076215 cents */
|
||||
1.009939, /* key 86: 17.121007 cents */
|
||||
1.010585, /* key 87: 18.228310 cents */
|
||||
1.011265, /* key 88: 19.392518 cents */
|
||||
1.011950, /* key 89: 20.566206 cents */
|
||||
1.012636, /* key 90: 21.738618 cents */
|
||||
1.013327, /* key 91: 22.919118 cents */
|
||||
1.014061, /* key 92: 24.173747 cents */
|
||||
1.014847, /* key 93: 25.515341 cents */
|
||||
1.015679, /* key 94: 26.934203 cents */
|
||||
1.016517, /* key 95: 28.360657 cents */
|
||||
1.017351, /* key 96: 29.780936 cents */
|
||||
1.018188, /* key 97: 31.204307 cents */
|
||||
1.019062, /* key 98: 32.690667 cents */
|
||||
1.019981, /* key 99: 34.250749 cents */
|
||||
1.020944, /* key 100: 35.884552 cents (extrapolated) */
|
||||
1.021952, /* key 101: 37.592078 cents (extrapolated) */
|
||||
1.023004, /* key 102: 39.373326 cents (extrapolated) */
|
||||
1.024100, /* key 103: 41.228296 cents (extrapolated) */
|
||||
1.025242, /* key 104: 43.156987 cents (extrapolated) */
|
||||
1.026428, /* key 105: 45.159401 cents (extrapolated) */
|
||||
1.027660, /* key 106: 47.235537 cents (extrapolated) */
|
||||
1.028937, /* key 107: 49.385395 cents (extrapolated) */
|
||||
1.030259, /* key 108: 51.608975 cents (extrapolated) */
|
||||
1.031627, /* key 109: 53.906277 cents (extrapolated) */
|
||||
1.033041, /* key 110: 56.277301 cents (extrapolated) */
|
||||
1.034501, /* key 111: 58.722047 cents (extrapolated) */
|
||||
1.036007, /* key 112: 61.240515 cents (extrapolated) */
|
||||
1.037559, /* key 113: 63.832705 cents (extrapolated) */
|
||||
1.039158, /* key 114: 66.498617 cents (extrapolated) */
|
||||
1.040804, /* key 115: 69.238251 cents (extrapolated) */
|
||||
1.042497, /* key 116: 72.051607 cents (extrapolated) */
|
||||
1.044237, /* key 117: 74.938686 cents (extrapolated) */
|
||||
1.046024, /* key 118: 77.899486 cents (extrapolated) */
|
||||
1.047859, /* key 119: 80.934008 cents (extrapolated) */
|
||||
1.049742, /* key 120: 84.042253 cents (extrapolated) */
|
||||
1.051673, /* key 121: 87.224219 cents (extrapolated) */
|
||||
1.053653, /* key 122: 90.479907 cents (extrapolated) */
|
||||
1.055681, /* key 123: 93.809318 cents (extrapolated) */
|
||||
1.057759, /* key 124: 97.212450 cents (extrapolated) */
|
||||
1.059885, /* key 125: 100.689305 cents (extrapolated) */
|
||||
1.062061, /* key 126: 104.239881 cents (extrapolated) */
|
||||
1.064287, /* key 127: 107.864180 cents (extrapolated) */
|
||||
|
|
@ -64,6 +64,10 @@ if(JACK_FOUND AND TARGET Qt5::Widgets)
|
|||
add_executable(sfizz_demo_parser DemoParser.cpp)
|
||||
target_link_libraries(sfizz_demo_parser PRIVATE sfizz_parser Qt5::Widgets)
|
||||
set_target_properties(sfizz_demo_parser PROPERTIES AUTOUIC ON)
|
||||
|
||||
add_executable(sfizz_demo_stretch_tuning DemoStretchTuning.cpp)
|
||||
target_link_libraries(sfizz_demo_stretch_tuning PRIVATE sfizz::sfizz Qt5::Widgets)
|
||||
set_target_properties(sfizz_demo_stretch_tuning PROPERTIES AUTOUIC ON)
|
||||
endif()
|
||||
|
||||
add_executable(eq_apply EQ.cpp)
|
||||
|
|
|
|||
154
tests/DemoStretchTuning.cpp
Normal file
154
tests/DemoStretchTuning.cpp
Normal file
|
|
@ -0,0 +1,154 @@
|
|||
// SPDX-License-Identifier: BSD-2-Clause
|
||||
|
||||
// This code is part of the sfizz library and is licensed under a BSD 2-clause
|
||||
// license. You should have receive a LICENSE.md file along with the code.
|
||||
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
|
||||
|
||||
#include "sfizz/Tuning.h"
|
||||
#include "ui_DemoStretchTuning.h"
|
||||
#include <QApplication>
|
||||
#include <QMainWindow>
|
||||
#include <QPainter>
|
||||
#include <QPainterPath>
|
||||
#include <QDebug>
|
||||
#include <functional>
|
||||
#include <cmath>
|
||||
|
||||
class DataPlotWidget;
|
||||
|
||||
///
|
||||
class DemoApp : public QApplication {
|
||||
public:
|
||||
DemoApp(int& argc, char** argv);
|
||||
void initWindow();
|
||||
|
||||
private:
|
||||
void updateStretch();
|
||||
|
||||
private:
|
||||
QMainWindow* fWindow = nullptr;
|
||||
DataPlotWidget* fDataPlot = nullptr;
|
||||
Ui::DemoStretchTuningWindow fUi;
|
||||
|
||||
sfz::StretchTuning fTuning;
|
||||
};
|
||||
|
||||
///
|
||||
class DataPlotWidget : public QWidget {
|
||||
public:
|
||||
explicit DataPlotWidget(QWidget* parent = nullptr);
|
||||
void setYRange(float y1, float y2);
|
||||
void setYFunction(std::function<qreal(qreal)> fun);
|
||||
|
||||
protected:
|
||||
void paintEvent(QPaintEvent* event) override;
|
||||
|
||||
float yRange1_ = 0.0f;
|
||||
float yRange2_ = 0.0f;
|
||||
std::function<qreal(qreal)> yFunction_;
|
||||
};
|
||||
|
||||
DataPlotWidget::DataPlotWidget(QWidget* parent)
|
||||
: QWidget(parent)
|
||||
{
|
||||
}
|
||||
|
||||
void DataPlotWidget::setYRange(float y1, float y2)
|
||||
{
|
||||
yRange1_ = y1;
|
||||
yRange2_ = y2;
|
||||
}
|
||||
|
||||
void DataPlotWidget::setYFunction(std::function<qreal(qreal)> fun)
|
||||
{
|
||||
yFunction_ = fun;
|
||||
repaint();
|
||||
}
|
||||
|
||||
void DataPlotWidget::paintEvent(QPaintEvent* event)
|
||||
{
|
||||
Q_UNUSED(event);
|
||||
|
||||
QPainter painter(this);
|
||||
|
||||
painter.fillRect(rect(), Qt::white);
|
||||
|
||||
const qreal yRange1 = yRange1_;
|
||||
const qreal yRange2 = yRange2_;
|
||||
std::function<qreal(qreal)> yFunction = yFunction_;
|
||||
|
||||
if (yRange1 == yRange2 || !yFunction)
|
||||
return;
|
||||
|
||||
int w = width();
|
||||
int h = height();
|
||||
|
||||
auto yPointToCoord = [h, yRange1, yRange2](qreal y) {
|
||||
qreal r = (y - yRange1) / (yRange2 - yRange1);
|
||||
return (1 - r) * (h - 1);
|
||||
};
|
||||
|
||||
QPainterPath path;
|
||||
path.moveTo(0.0, yPointToCoord(yFunction(0.0)));
|
||||
for (int x = 1; x < w; ++x) {
|
||||
qreal wRatio = x * (qreal(1.0) / (w - 1));
|
||||
path.lineTo(x, yPointToCoord(yFunction(wRatio * 127)));
|
||||
}
|
||||
|
||||
painter.strokePath(path, QPen(Qt::red, 1.0));
|
||||
}
|
||||
|
||||
///
|
||||
DemoApp::DemoApp(int& argc, char** argv)
|
||||
: QApplication(argc, argv)
|
||||
{
|
||||
setApplicationName(tr("Sfizz Stretch Tuning"));
|
||||
}
|
||||
|
||||
void DemoApp::initWindow()
|
||||
{
|
||||
QMainWindow* window = new QMainWindow;
|
||||
fWindow = window;
|
||||
fUi.setupUi(window);
|
||||
|
||||
QVBoxLayout* lPlot = new QVBoxLayout;
|
||||
lPlot->setContentsMargins(QMargins());
|
||||
DataPlotWidget* dataPlot = new DataPlotWidget;
|
||||
fDataPlot = dataPlot;
|
||||
lPlot->addWidget(dataPlot);
|
||||
fUi.frmPlot->setLayout(lPlot);
|
||||
|
||||
dataPlot->setYRange(-50.0, +50.0);
|
||||
|
||||
connect(
|
||||
fUi.valStretch, &QSlider::valueChanged,
|
||||
this, [this]() { updateStretch(); });
|
||||
|
||||
fUi.valStretch->setValue(fUi.valStretch->maximum() / 2);
|
||||
|
||||
window->setWindowTitle(applicationDisplayName());
|
||||
window->show();
|
||||
}
|
||||
|
||||
void DemoApp::updateStretch()
|
||||
{
|
||||
qreal stretch = qreal(fUi.valStretch->value()) / fUi.valStretch->maximum();
|
||||
|
||||
sfz::StretchTuning& tuning = fTuning;
|
||||
tuning = sfz::StretchTuning::createRailsbackFromRatio(stretch);
|
||||
|
||||
fDataPlot->setYFunction([this](qreal x) -> qreal {
|
||||
float ratio = fTuning.getRatioForFractionalKey(x);
|
||||
float cents = 1200.0f * std::log2(ratio);
|
||||
return cents;
|
||||
});
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
DemoApp app(argc, argv);
|
||||
|
||||
app.initWindow();
|
||||
|
||||
return app.exec();
|
||||
}
|
||||
68
tests/DemoStretchTuning.ui
Normal file
68
tests/DemoStretchTuning.ui
Normal file
|
|
@ -0,0 +1,68 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<ui version="4.0">
|
||||
<class>DemoStretchTuningWindow</class>
|
||||
<widget class="QMainWindow" name="DemoStretchTuningWindow">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>800</width>
|
||||
<height>600</height>
|
||||
</rect>
|
||||
</property>
|
||||
<widget class="QWidget" name="centralwidget">
|
||||
<layout class="QVBoxLayout" name="verticalLayout">
|
||||
<item>
|
||||
<widget class="QFrame" name="frmPlot">
|
||||
<property name="frameShape">
|
||||
<enum>QFrame::StyledPanel</enum>
|
||||
</property>
|
||||
<property name="frameShadow">
|
||||
<enum>QFrame::Raised</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QFrame" name="frame">
|
||||
<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Preferred" vsizetype="Maximum">
|
||||
<horstretch>0</horstretch>
|
||||
<verstretch>0</verstretch>
|
||||
</sizepolicy>
|
||||
</property>
|
||||
<property name="frameShape">
|
||||
<enum>QFrame::StyledPanel</enum>
|
||||
</property>
|
||||
<property name="frameShadow">
|
||||
<enum>QFrame::Raised</enum>
|
||||
</property>
|
||||
<layout class="QVBoxLayout" name="verticalLayout_3">
|
||||
<item>
|
||||
<widget class="QLabel" name="label">
|
||||
<property name="text">
|
||||
<string>Stretch</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QSlider" name="valStretch">
|
||||
<property name="maximum">
|
||||
<number>100</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</widget>
|
||||
<resources/>
|
||||
<connections/>
|
||||
</ui>
|
||||
Loading…
Add table
Reference in a new issue