Add a filter demo program
This commit is contained in:
Jean Pierre Cimalando
parent
d12b3f490d
commit
39e150f3d0
3 changed files with 577 additions and 0 deletions
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@ -31,4 +31,17 @@ target_link_libraries(sfizz_tests PRIVATE sfizz::sfizz)
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sfizz_enable_lto_if_needed(sfizz_tests)
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# target_link_libraries(sfizz_tests PRIVATE absl::strings absl::str_format absl::flat_hash_map cnpy absl::span absl::algorithm)
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find_package(PkgConfig)
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if(PKGCONFIG_FOUND)
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pkg_check_modules(JACK "jack")
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endif()
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find_package(Qt5 COMPONENTS Widgets)
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if(JACK_FOUND AND TARGET Qt5::Widgets)
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add_executable(sfizz_demo_filters DemoFilters.cpp)
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target_include_directories(sfizz_demo_filters PRIVATE ${JACK_INCLUDE_DIRS})
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target_link_libraries(sfizz_demo_filters PRIVATE sfizz::sfizz Qt5::Widgets ${JACK_LIBRARIES})
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set_target_properties(sfizz_demo_filters PROPERTIES AUTOUIC ON)
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endif()
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file(COPY "." DESTINATION ${CMAKE_BINARY_DIR}/tests)
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325
tests/DemoFilters.cpp
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325
tests/DemoFilters.cpp
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@ -0,0 +1,325 @@
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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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#include "sfizz/SfzFilter.h"
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#include "ui_DemoFilters.h"
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#include <QApplication>
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#include <QMainWindow>
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#include <QMessageBox>
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#include <QButtonGroup>
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#include <QDebug>
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#include <jack/jack.h>
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#include <memory>
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///
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struct jack_delete {
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void operator()(jack_client_t *x) const noexcept { jack_client_close(x); }
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};
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typedef std::unique_ptr<jack_client_t, jack_delete> jack_client_u;
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///
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class DemoApp : public QApplication {
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public:
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DemoApp(int &argc, char **argv);
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bool initSound();
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void initWindow();
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private:
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static int processAudio(jack_nframes_t nframes, void *cbdata);
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private:
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void valueChangedType(int value);
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void valueChangedCutoff(int value);
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void valueChangedResonance(int value);
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void valueChangedPkShGain(int value);
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void valueChangedBandwidth(int value);
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void valueChangedFilterMode(int value);
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private:
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QMainWindow *fWindow = nullptr;
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Ui::DemoFiltersWindow fUi;
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static constexpr int cutoffMin = 10.0;
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static constexpr int cutoffMax = 20000.0;
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static constexpr int resoMin = 0.0;
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static constexpr int resoMax = 40.0;
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static constexpr int pkshMin = -40.0;
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static constexpr int pkshMax = 40.0;
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static constexpr int bwMin = 1.0;
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static constexpr int bwMax = 10.0;
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int fType = sfz::kFilterNone;
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int fCutoff = 500.0;
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int fReso = 0.0;
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int fPksh = 20.0;
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int fBw = 1.0;
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sfz::Filter fFilter;
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sfz::FilterEq fFilterEq;
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enum FilterMode {
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kFilterModeMulti,
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kFilterModeEq,
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};
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FilterMode fFilterMode = kFilterModeMulti;
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jack_client_u fClient;
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jack_port_t *fPorts[4] = {};
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};
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DemoApp::DemoApp(int &argc, char **argv)
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: QApplication(argc, argv)
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{
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setApplicationName(tr("Sfizz Filters"));
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}
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bool DemoApp::initSound()
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{
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jack_client_t *client = jack_client_open(
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applicationName().toUtf8().data(), JackNoStartServer, nullptr);
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if (!client) {
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QMessageBox::critical(nullptr, tr("Error"), tr("Cannot open JACK audio."));
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return false;
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}
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fClient.reset(client);
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double sampleRate = jack_get_sample_rate(client);
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fFilter.init(sampleRate);
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fFilter.setChannels(2);
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fFilterEq.init(sampleRate);
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fFilterEq.setChannels(2);
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fPorts[0] = jack_port_register(client, "in_left", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
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fPorts[1] = jack_port_register(client, "in_right", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
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fPorts[2] = jack_port_register(client, "out_left", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
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fPorts[3] = jack_port_register(client, "out_right", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
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if (!(fPorts[0] && fPorts[1] && fPorts[2] && fPorts[3])) {
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QMessageBox::critical(nullptr, tr("Error"), tr("Cannot register JACK ports."));
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return false;
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}
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jack_set_process_callback(client, &processAudio, this);
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if (jack_activate(client) != 0) {
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QMessageBox::critical(nullptr, tr("Error"), tr("Cannot activate JACK client."));
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return false;
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}
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return true;
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}
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void DemoApp::initWindow()
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{
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QMainWindow *window = new QMainWindow;
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fWindow = window;
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fUi.setupUi(window);
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window->setWindowTitle(applicationDisplayName());
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QComboBox *cbTypes = fUi.comboBox;
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cbTypes->addItem("None", static_cast<int>(sfz::kFilterNone));
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cbTypes->addItem("Apf1p", static_cast<int>(sfz::kFilterApf1p));
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cbTypes->addItem("Bpf1p", static_cast<int>(sfz::kFilterBpf1p));
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cbTypes->addItem("Bpf2p", static_cast<int>(sfz::kFilterBpf2p));
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cbTypes->addItem("Bpf4p", static_cast<int>(sfz::kFilterBpf4p));
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cbTypes->addItem("Bpf6p", static_cast<int>(sfz::kFilterBpf6p));
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cbTypes->addItem("Brf1p", static_cast<int>(sfz::kFilterBrf1p));
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cbTypes->addItem("Brf2p", static_cast<int>(sfz::kFilterBrf2p));
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cbTypes->addItem("Hpf1p", static_cast<int>(sfz::kFilterHpf1p));
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cbTypes->addItem("Hpf2p", static_cast<int>(sfz::kFilterHpf2p));
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cbTypes->addItem("Hpf4p", static_cast<int>(sfz::kFilterHpf4p));
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cbTypes->addItem("Hpf6p", static_cast<int>(sfz::kFilterHpf6p));
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cbTypes->addItem("Lpf1p", static_cast<int>(sfz::kFilterLpf1p));
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cbTypes->addItem("Lpf2p", static_cast<int>(sfz::kFilterLpf2p));
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cbTypes->addItem("Lpf4p", static_cast<int>(sfz::kFilterLpf4p));
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cbTypes->addItem("Lpf6p", static_cast<int>(sfz::kFilterLpf6p));
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cbTypes->addItem("Pink", static_cast<int>(sfz::kFilterPink));
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cbTypes->addItem("Lpf2pSv", static_cast<int>(sfz::kFilterLpf2pSv));
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cbTypes->addItem("Hpf2pSv", static_cast<int>(sfz::kFilterHpf2pSv));
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cbTypes->addItem("Bpf2pSv", static_cast<int>(sfz::kFilterBpf2pSv));
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cbTypes->addItem("Brf2pSv", static_cast<int>(sfz::kFilterBrf2pSv));
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cbTypes->addItem("Lsh", static_cast<int>(sfz::kFilterLsh));
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cbTypes->addItem("Hsh", static_cast<int>(sfz::kFilterHsh));
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cbTypes->addItem("Peq", static_cast<int>(sfz::kFilterPeq));
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cbTypes->setCurrentIndex(cbTypes->findData(fType));
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fUi.lcdType->display(fType);
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connect(
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cbTypes, QOverload<int>::of(&QComboBox::currentIndexChanged),
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this, [this, cbTypes](int index) { valueChangedType(cbTypes->itemData(index).toInt()); });
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fUi.dialCutoff->setRange(cutoffMin, cutoffMax);
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fUi.dialResonance->setRange(resoMin, resoMax);
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fUi.dialPkShGain->setRange(pkshMin, pkshMax);
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fUi.dialBandwidth->setRange(bwMin, bwMax);
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fUi.spinCutoff->setRange(cutoffMin, cutoffMax);
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fUi.spinResonance->setRange(resoMin, resoMax);
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fUi.spinPkShGain->setRange(pkshMin, pkshMax);
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fUi.spinBandwidth->setRange(bwMin, bwMax);
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fUi.dialCutoff->setValue(fCutoff);
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fUi.dialResonance->setValue(fReso);
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fUi.dialPkShGain->setValue(fPksh);
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fUi.dialBandwidth->setValue(fBw);
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fUi.spinCutoff->setValue(fCutoff);
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fUi.spinResonance->setValue(fReso);
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fUi.spinPkShGain->setValue(fPksh);
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fUi.spinBandwidth->setValue(fBw);
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connect(
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fUi.dialCutoff, &QDial::valueChanged,
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this, [this](int value) { valueChangedCutoff(value); });
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connect(
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fUi.spinCutoff, QOverload<int>::of(&QSpinBox::valueChanged),
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this, [this](int value) { valueChangedCutoff(value); });
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connect(
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fUi.dialResonance, &QDial::valueChanged,
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this, [this](int value) { valueChangedResonance(value); });
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connect(
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fUi.spinResonance, QOverload<int>::of(&QSpinBox::valueChanged),
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this, [this](int value) { valueChangedResonance(value); });
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connect(
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fUi.dialPkShGain, &QDial::valueChanged,
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this, [this](int value) { valueChangedPkShGain(value); });
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connect(
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fUi.spinPkShGain, QOverload<int>::of(&QSpinBox::valueChanged),
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this, [this](int value) { valueChangedPkShGain(value); });
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connect(
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fUi.dialBandwidth, &QDial::valueChanged,
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this, [this](int value) { valueChangedBandwidth(value); });
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connect(
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fUi.spinBandwidth, QOverload<int>::of(&QSpinBox::valueChanged),
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this, [this](int value) { valueChangedBandwidth(value); });
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QButtonGroup *grpMode = new QButtonGroup(this);
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grpMode->addButton(fUi.btnMultiMode, kFilterModeMulti);
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grpMode->addButton(fUi.btnEqMode, kFilterModeEq);
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fUi.btnMultiMode->setChecked(true);
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grpMode->setExclusive(true);
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connect(
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grpMode, QOverload<int, bool>::of(&QButtonGroup::buttonToggled), this,
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[this](int id, bool toggled) {
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if (toggled)
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valueChangedFilterMode(id);
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});
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window->adjustSize();
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window->setFixedSize(window->size());
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window->show();
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}
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int DemoApp::processAudio(jack_nframes_t nframes, void *cbdata)
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{
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DemoApp *self = reinterpret_cast<DemoApp *>(cbdata);
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const float *ins[2];
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float *outs[2];
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ins[0] = reinterpret_cast<float *>(jack_port_get_buffer(self->fPorts[0], nframes));
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ins[1] = reinterpret_cast<float *>(jack_port_get_buffer(self->fPorts[1], nframes));
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outs[0] = reinterpret_cast<float *>(jack_port_get_buffer(self->fPorts[2], nframes));
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outs[1] = reinterpret_cast<float *>(jack_port_get_buffer(self->fPorts[3], nframes));
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switch (self->fFilterMode) {
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default:
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case kFilterModeMulti:
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self->fFilter.setType(static_cast<sfz::FilterType>(self->fType));
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self->fFilter.process(ins, outs, self->fCutoff, self->fReso, self->fPksh, nframes);
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break;
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case kFilterModeEq:
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self->fFilterEq.process(ins, outs, self->fCutoff, self->fBw, self->fPksh, nframes);
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break;
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}
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return 0;
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}
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void DemoApp::valueChangedType(int value)
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{
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fType = value;
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fUi.lcdType->display(value);
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}
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void DemoApp::valueChangedCutoff(int value)
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{
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fUi.dialCutoff->blockSignals(true);
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fUi.dialCutoff->setValue(value);
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fUi.dialCutoff->blockSignals(false);
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fUi.spinCutoff->blockSignals(true);
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fUi.spinCutoff->setValue(value);
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fUi.spinCutoff->blockSignals(false);
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fCutoff = value;
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}
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void DemoApp::valueChangedResonance(int value)
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{
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fUi.dialResonance->blockSignals(true);
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fUi.dialResonance->setValue(value);
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fUi.dialResonance->blockSignals(false);
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fUi.spinResonance->blockSignals(true);
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fUi.spinResonance->setValue(value);
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fUi.spinResonance->blockSignals(false);
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fReso = value;
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}
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void DemoApp::valueChangedPkShGain(int value)
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{
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fUi.dialPkShGain->blockSignals(true);
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fUi.dialPkShGain->setValue(value);
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fUi.dialPkShGain->blockSignals(false);
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fUi.spinPkShGain->blockSignals(true);
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fUi.spinPkShGain->setValue(value);
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fUi.spinPkShGain->blockSignals(false);
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fPksh = value;
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}
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void DemoApp::valueChangedBandwidth(int value)
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{
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fUi.dialBandwidth->blockSignals(true);
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fUi.dialBandwidth->setValue(value);
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fUi.dialBandwidth->blockSignals(false);
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fUi.spinBandwidth->blockSignals(true);
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fUi.spinBandwidth->setValue(value);
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fUi.spinBandwidth->blockSignals(false);
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fBw = value;
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}
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void DemoApp::valueChangedFilterMode(int value)
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{
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fUi.stackedWidget->setCurrentIndex(value);
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fFilterMode = static_cast<FilterMode>(value);
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}
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int main(int argc, char *argv[])
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{
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DemoApp app(argc, argv);
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if (!app.initSound())
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return 1;
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app.initWindow();
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return app.exec();
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}
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239
tests/DemoFilters.ui
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239
tests/DemoFilters.ui
Normal file
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@ -0,0 +1,239 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>DemoFiltersWindow</class>
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<widget class="QMainWindow" name="DemoFiltersWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>415</width>
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<height>216</height>
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</rect>
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</property>
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<widget class="QWidget" name="centralwidget">
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<layout class="QGridLayout" name="gridLayout_2">
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<item row="0" column="0">
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<widget class="QDial" name="dialCutoff"/>
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</item>
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<item row="0" column="1">
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<widget class="QDial" name="dialPkShGain"/>
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</item>
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<item row="0" column="2" rowspan="3">
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<widget class="QStackedWidget" name="stackedWidget">
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<property name="currentIndex">
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<number>0</number>
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</property>
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<widget class="QWidget" name="widget">
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<layout class="QGridLayout" name="gridLayout">
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
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<number>0</number>
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</property>
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<property name="rightMargin">
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<number>0</number>
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</property>
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<item row="0" column="0">
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<widget class="QDial" name="dialResonance"/>
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</item>
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<item row="0" column="1">
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<widget class="QLCDNumber" name="lcdType">
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<property name="digitCount">
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<number>2</number>
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</property>
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</widget>
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</item>
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<item row="1" column="0">
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<widget class="QSpinBox" name="spinResonance">
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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<property name="suffix">
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<string> dB</string>
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</property>
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</widget>
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</item>
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<item row="1" column="1">
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<widget class="QComboBox" name="comboBox"/>
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</item>
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<item row="2" column="0">
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<widget class="QLabel" name="label_2">
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<property name="text">
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<string>Resonance</string>
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</property>
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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</widget>
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</item>
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<item row="2" column="1">
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<widget class="QLabel" name="label_3">
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<property name="text">
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<string>Type</string>
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</property>
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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<widget class="QWidget" name="widget">
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<layout class="QGridLayout" name="gridLayout_3">
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
|
||||
<number>0</number>
|
||||
</property>
|
||||
<property name="rightMargin">
|
||||
<number>0</number>
|
||||
</property>
|
||||
<property name="bottomMargin">
|
||||
<number>0</number>
|
||||
</property>
|
||||
<item row="0" column="0">
|
||||
<widget class="QDial" name="dialBandwidth"/>
|
||||
</item>
|
||||
<item row="2" column="0">
|
||||
<widget class="QLabel" name="label_5">
|
||||
<property name="text">
|
||||
<string>Bandwidth</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="0">
|
||||
<widget class="QSpinBox" name="spinBandwidth">
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
<property name="suffix">
|
||||
<string> oct</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="1" rowspan="3">
|
||||
<widget class="QWidget" name="widget" native="true"/>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="0">
|
||||
<widget class="QSpinBox" name="spinCutoff">
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
<property name="suffix">
|
||||
<string> Hz</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="1">
|
||||
<widget class="QSpinBox" name="spinPkShGain">
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
<property name="suffix">
|
||||
<string> dB</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="2" column="0">
|
||||
<widget class="QLabel" name="label">
|
||||
<property name="text">
|
||||
<string>Cutoff</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="2" column="1">
|
||||
<widget class="QLabel" name="label_4">
|
||||
<property name="text">
|
||||
<string>Peak/shelf gain</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="3" column="0" colspan="3">
|
||||
<widget class="QFrame" name="frame">
|
||||
<property name="frameShape">
|
||||
<enum>QFrame::StyledPanel</enum>
|
||||
</property>
|
||||
<property name="frameShadow">
|
||||
<enum>QFrame::Raised</enum>
|
||||
</property>
|
||||
<layout class="QHBoxLayout" name="horizontalLayout">
|
||||
<item>
|
||||
<spacer name="horizontalSpacer">
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
<property name="sizeHint" stdset="0">
|
||||
<size>
|
||||
<width>40</width>
|
||||
<height>20</height>
|
||||
</size>
|
||||
</property>
|
||||
</spacer>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QRadioButton" name="btnMultiMode">
|
||||
<property name="text">
|
||||
<string>Multi-mode</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<spacer name="horizontalSpacer_3">
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
<property name="sizeHint" stdset="0">
|
||||
<size>
|
||||
<width>40</width>
|
||||
<height>20</height>
|
||||
</size>
|
||||
</property>
|
||||
</spacer>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QRadioButton" name="btnEqMode">
|
||||
<property name="text">
|
||||
<string>Equalizer</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<spacer name="horizontalSpacer_2">
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
<property name="sizeHint" stdset="0">
|
||||
<size>
|
||||
<width>40</width>
|
||||
<height>20</height>
|
||||
</size>
|
||||
</property>
|
||||
</spacer>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</widget>
|
||||
<resources/>
|
||||
<connections/>
|
||||
</ui>
|
||||
Loading…
Add table
Reference in a new issue