97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
#include "transpose.h"
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using Xybrid::Gadgets::Transpose;
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using namespace Xybrid::Data;
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#include "util/strings.h"
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#include "data/porttypes.h"
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#include "config/pluginregistry.h"
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using namespace Xybrid::Config;
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#include "audio/audioengine.h"
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using namespace Xybrid::Audio;
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#include "ui/patchboard/nodeobject.h"
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#include "ui/gadgets/layoutgadget.h"
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#include "ui/gadgets/knobgadget.h"
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using namespace Xybrid::UI;
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#include <cmath>
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#include <QCborMap>
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// clazy:excludeall=non-pod-global-static
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RegisterPlugin(Transpose, {
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i->id = "gadget:transpose";
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i->displayName = "Transpose";
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i->category = "Gadget";
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})
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Transpose::Transpose() {
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}
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void Transpose::init() {
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addPort(Port::Input, Port::Command, 0);
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addPort(Port::Output, Port::Command, 0);
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}
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void Transpose::process() {
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int off = octave.load()*12 + amount.load();
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auto in = std::static_pointer_cast<CommandPort>(port(Port::Input, Port::Command, 0));
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auto out = std::static_pointer_cast<CommandPort>(port(Port::Output, Port::Command, 0));
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if (off == 0) { // a
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if (out->passthroughTo.expired()) out->passthroughTo = in;
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return;
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}
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if (!out->passthroughTo.expired()) out->passthroughTo.reset();
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in->pull();
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out->pull();
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out->data = reinterpret_cast<uint8_t*>(audioEngine->tickAlloc(in->size));
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out->size = in->size;
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memcpy(out->data, in->data, in->size); // precopy
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size_t mi = 0;
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while (out->size >= mi+5) {
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int16_t& n = reinterpret_cast<int16_t&>(out->data[mi+2]);
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if (n > -1) {
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int nn = n;
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nn += off;
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if (nn < 0 || nn > 32767) nn = -1;
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n = static_cast<int16_t>(nn);
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}
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mi += 5 + out->data[mi+4]*2;
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}
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}
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void Transpose::saveData(QCborMap& m) const {
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m[qs("amount")] = QCborValue(amount);
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m[qs("octave")] = QCborValue(octave);
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}
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void Transpose::loadData(const QCborMap& m) {
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auto oct = m.value("octave");
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if (oct.isUndefined()) { // convert from single value
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int a = static_cast<int>(m.value("amount").toInteger(0));
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int s = a < 0 ? -1 : 1;
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a = std::abs(a);
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octave = (a-(a%12))/12*s;
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amount = a%12 * s;
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return;
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}
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octave = static_cast<int>(oct.toInteger(0));
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amount = static_cast<int>(m.value("amount").toInteger(0));
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}
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void Transpose::onGadgetCreated() {
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if (!obj) return;
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obj->showPluginName = false;
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auto l = (new LayoutGadget(obj))->setMetrics(8, 10);
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(new KnobGadget(l))->bind(amount)->setLabel("Transpose")->setTextFunc(KnobGadget::textOffset)->setRange(-12, 12, 1, KnobGadget::MedStep);
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(new KnobGadget(l))->bind(octave)->setLabel("Octave")->setTextFunc(KnobGadget::textOffset)->setRange(-5, 5, 1, KnobGadget::BigStep);
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}
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