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Diffstat (limited to 'src/instrumentwidget.cc')
| -rw-r--r-- | src/instrumentwidget.cc | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/src/instrumentwidget.cc b/src/instrumentwidget.cc new file mode 100644 index 0000000..e3b3061 --- /dev/null +++ b/src/instrumentwidget.cc @@ -0,0 +1,447 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * instrumentwidget.cc + * + * Sat May 12 15:38:38 CEST 2018 + * Copyright 2018 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "instrumentwidget.h" + + +#include <iostream> + +#include <QHBoxLayout> +#include <QVBoxLayout> + +#include <QPushButton> +#include <QLabel> +#include <QStatusBar> +#include <QApplication> +#include <QDockWidget> +#include <QToolBar> +#include <QAction> +#include <QMenuBar> +#include <QFileDialog> +#include <QIntValidator> +#include <QTabWidget> +#include <QProgressBar> +#include <QTime> +#include <QSpinBox> + +#include "sleep.h" +#include "canvastool.h" +#include "canvastoolthreshold.h" +#include "volumefader.h" +#include "selectioneditor.h" +#include "zoomslider.h" +#include "settings.h" +#include "project.h" + +#define MAXVAL 10000000L + +static void addTool(QToolBar* toolbar, Canvas* canvas, CanvasTool* tool) +{ + QAction* action = new QAction(tool->name(), toolbar); + action->setCheckable(true); + toolbar->addAction(action); + tool->connect(action, SIGNAL(toggled(bool)), tool, SLOT(setActive(bool))); + tool->setActive(false); + canvas->tools.push_back(tool); +} + +InstrumentWidget::InstrumentWidget(Settings& settings, Instrument& instrument) + : settings(settings) + , instrument(instrument) +{ + { + int start = 44100 * 60; + Selection p(start, start + 44100 * 60, 0, 0); // one minute selection + selections_preview.add(p); + } + + QWidget* central = new QWidget(); + QHBoxLayout* lh = new QHBoxLayout(); + QVBoxLayout* lv = new QVBoxLayout(); + central->setLayout(lv); + setCentralWidget(central); + + extractor = new AudioExtractor(selections, this); + canvaswidget = new CanvasWidget(this); + + QToolBar* toolbar = addToolBar(tr("Tools")); + listen = new CanvasToolListen(canvaswidget->canvas, player); + addTool(toolbar, canvaswidget->canvas, listen); + threshold = new CanvasToolThreshold(canvaswidget->canvas); + canvaswidget->canvas->tools.push_back(threshold); + tool_selections = new CanvasToolSelections(canvaswidget->canvas, selections, + selections_preview); + connect(threshold, SIGNAL(thresholdChanged(double)), + tool_selections, SLOT(thresholdChanged(double))); + connect(threshold, SIGNAL(thresholdChanging(double)), + tool_selections, SLOT(thresholdChanged(double))); + connect(&selections, SIGNAL(activeChanged(sel_id_t)), + canvaswidget->canvas, SLOT(update())); + connect(&selections, SIGNAL(updated(sel_id_t)), + canvaswidget->canvas, SLOT(update())); + addTool(toolbar, canvaswidget->canvas, tool_selections); + + sorter = new SampleSorter(selections, selections_preview); + connect(&selections, SIGNAL(added(sel_id_t)), + sorter, SLOT(addSelection(sel_id_t))); + connect(&selections_preview, SIGNAL(added(sel_id_t)), + sorter, SLOT(addSelectionPreview(sel_id_t))); + connect(&selections, SIGNAL(updated(sel_id_t)), sorter, SLOT(relayout())); + connect(&selections_preview, SIGNAL(updated(sel_id_t)), + sorter, SLOT(relayout())); + connect(&selections, SIGNAL(removed(sel_id_t)), sorter, SLOT(relayout())); + connect(&selections_preview, SIGNAL(removed(sel_id_t)), + sorter, SLOT(relayout())); + connect(&selections, SIGNAL(activeChanged(sel_id_t)), + sorter, SLOT(relayout())); + + QPushButton* btn_playsamples = new QPushButton(tr("Play samples")); + connect(btn_playsamples, SIGNAL(clicked()), this, SLOT(playSamples())); + + sb_playsamples = new QScrollBar(Qt::Horizontal); + sb_playsamples->setRange(100, 4000); // ms + + + lh->addWidget(canvaswidget); + lv->addLayout(lh, 100); + lv->addWidget(sorter, 15); + lv->addWidget(btn_playsamples); + lv->addWidget(sb_playsamples); + + + QDockWidget* dockWidget = new QDockWidget(tr("Dock Widget"), this); + dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea); + + dockWidget->setWidget(new QWidget()); + dockWidget->widget()->setLayout(new QVBoxLayout()); + + tabs = new QTabWidget(this); + tabs->addTab(createFilesTab(), tr("Files")); + generateTabId = tabs->addTab(createGenerateTab(), tr("Generate")); + tabs->addTab(createEditTab(), tr("Edit")); + tabs->addTab(createExportTab(), tr("Export")); + connect(tabs, SIGNAL(currentChanged(int)), this, SLOT(tabChanged(int))); + tabChanged(tabs->currentIndex()); + + dockWidget->widget()->layout()->addWidget(tabs); + + VolumeFader* vol = new VolumeFader(); + connect(vol, SIGNAL(volumeChangedDb(double)), + &player, SLOT(setGainDB(double))); + connect(&player, SIGNAL(peakUpdate(double)), + vol, SLOT(updatePeakPower(double))); + + vol->setVolumeDb(0); + dockWidget->widget()->layout()->addWidget(vol); + + addDockWidget(Qt::LeftDockWidgetArea, dockWidget); + + canvaswidget->yscale->setValue(0.9); + canvaswidget->yoffset->setValue(MAXVAL/2); + canvaswidget->xscale->setValue(0); + canvaswidget->xoffset->setValue(0); +} + +InstrumentWidget::~InstrumentWidget() +{ +} + +void InstrumentWidget::tabChanged(int tabid) +{ + tool_selections->setShowPreview(tabid == generateTabId); + sorter->setShowPreview(tabid == generateTabId); + tool_selections->autoCreateSelectionsPreview(); + threshold->setActive(tabid == generateTabId); +} + +QWidget* InstrumentWidget::createFilesTab() +{ + QWidget* w = new QWidget(); + QVBoxLayout* l = new QVBoxLayout(); + w->setLayout(l); + + l->addWidget(new QLabel(tr("Files: (double-click to set as master)"))); + QPushButton* loadbtn = new QPushButton(); + loadbtn->setText(tr("Add files...")); + l->addWidget(loadbtn); + + filelist = new FileList(); + connect(filelist, SIGNAL(masterFileChanged(QString)), + this, SLOT(loadFile(QString))); + connect(loadbtn, SIGNAL(clicked()), filelist, SLOT(addFiles())); + connect(filelist, SIGNAL(fileAdded(QString, QString)), + extractor, SLOT(addFile(QString, QString))); + connect(filelist, SIGNAL(fileRemoved(QString, QString)), + extractor, SLOT(removeFile(QString, QString))); + connect(filelist, SIGNAL(nameChanged(QString, QString)), + extractor, SLOT(changeName(QString, QString))); + l->addWidget(filelist); + + return w; +} + +QWidget* InstrumentWidget::createEditTab() +{ + SelectionEditor* se = new SelectionEditor(selections); + + connect(&selections, SIGNAL(added(sel_id_t)), se, SLOT(added(sel_id_t))); + connect(&selections, SIGNAL(updated(sel_id_t)), se, SLOT(updated(sel_id_t))); + connect(&selections, SIGNAL(removed(sel_id_t)), se, SLOT(removed(sel_id_t))); + connect(&selections, SIGNAL(activeChanged(sel_id_t)), + se, SLOT(activeChanged(sel_id_t))); + + return se; +} + +static QSlider* createAttribute(QWidget* parent, QString name, + int range_from, int range_to) +{ + QSlider* slider; + + QGridLayout* l = new QGridLayout(); + + l->addWidget(new QLabel(name), 0, 0, 1, 2); + + QSpinBox* spin = new QSpinBox(); + spin->setRange(range_from, range_to); + l->addWidget(spin, 1, 0, 1, 1); + + slider = new QSlider(Qt::Horizontal); + slider->setRange(range_from, range_to); + l->addWidget(slider, 1, 1, 1,1); + + QObject::connect(spin, SIGNAL(valueChanged(int)), + slider, SLOT(setValue(int))); + QObject::connect(slider, SIGNAL(valueChanged(int)), + spin, SLOT(setValue(int))); + + ((QBoxLayout*)parent->layout())->addLayout(l); + + return slider; +} + +QWidget* InstrumentWidget::createGenerateTab() +{ + QWidget* w = new QWidget(); + QVBoxLayout* l = new QVBoxLayout(); + w->setLayout(l); + + QHBoxLayout* btns = new QHBoxLayout(); + + QPushButton* autosel = new QPushButton(); + autosel->setText(tr("Generate")); + connect(autosel, SIGNAL(clicked()), + tool_selections, SLOT(clearSelections())); + connect(autosel, SIGNAL(clicked()), + tool_selections, SLOT(autoCreateSelections())); + + connect(threshold, SIGNAL(thresholdChanged(double)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + connect(threshold, SIGNAL(thresholdChanging(double)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + + QPushButton* clearsel = new QPushButton(); + clearsel->setText(tr("Clear")); + connect(clearsel, SIGNAL(clicked()), + tool_selections, SLOT(clearSelections())); + + btns->addWidget(autosel); + btns->addWidget(clearsel); + + l->addLayout(btns); + + slider_attacklength = createAttribute(w, tr("Attack length:"), 10, 1000); + connect(slider_attacklength, SIGNAL(valueChanged(int)), + sorter, SLOT(setAttackLength(int))); + connect(slider_attacklength, SIGNAL(valueChanged(int)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + slider_attacklength->setValue(300); + + slider_spread = createAttribute(w, tr("Power spread:"), 1, 2000); + connect(slider_spread, SIGNAL(valueChanged(int)), + sorter, SLOT(setSpreadFactor(int))); + connect(slider_spread, SIGNAL(valueChanged(int)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + slider_spread->setValue(1000); + + slider_hold = createAttribute(w, tr("Minimum size (samples):"), 0, 200000); + connect(slider_hold, SIGNAL(valueChanged(int)), + tool_selections, SLOT(holdChanged(int))); + connect(slider_hold, SIGNAL(valueChanged(int)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + slider_hold->setValue(100); + + slider_falloff = createAttribute(w, tr("Falloff:"), 10, 5000); + connect(slider_falloff, SIGNAL(valueChanged(int)), + tool_selections, SLOT(noiseFloorChanged(int))); + connect(slider_falloff, SIGNAL(valueChanged(int)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + slider_falloff->setValue(300); + + slider_fadelength = createAttribute(w, tr("Fadelength:"), 0, 2000); + connect(slider_fadelength, SIGNAL(valueChanged(int)), + tool_selections, SLOT(fadeoutChanged(int))); + connect(slider_fadelength, SIGNAL(valueChanged(int)), + tool_selections, SLOT(autoCreateSelectionsPreview())); + slider_fadelength->setValue(666); + + l->addStretch(); + + return w; +} + +QWidget* InstrumentWidget::createExportTab() +{ + QWidget* w = new QWidget(); + QVBoxLayout* l = new QVBoxLayout(); + w->setLayout(l); + + l->addWidget(new QLabel(tr("Prefix:"))); + prefix = new QLineEdit(); + connect(prefix, SIGNAL(textChanged(const QString &)), + extractor, SLOT(setOutputPrefix(const QString &))); + l->addWidget(prefix); + + l->addWidget(new QLabel(tr("Export path:"))); + QHBoxLayout* lo_exportp = new QHBoxLayout(); + lineed_exportp = new QLineEdit(); + connect(lineed_exportp, SIGNAL(textChanged(const QString &)), + extractor, SLOT(setExportPath(const QString &))); + lo_exportp->addWidget(lineed_exportp); + QPushButton* btn_browse = new QPushButton(tr("...")); + connect(btn_browse, SIGNAL(clicked()), this, SLOT(browse())); + lo_exportp->addWidget(btn_browse); + + l->addLayout(lo_exportp); + + QPushButton* exportsel = new QPushButton(); + exportsel->setText(tr("Export")); + connect(exportsel, SIGNAL(clicked()), this, SLOT(doExport())); + l->addWidget(exportsel); + + QProgressBar* bar = new QProgressBar(); + connect(extractor, SIGNAL(progressUpdate(int)), bar, SLOT(setValue(int))); + connect(extractor, SIGNAL(setMaximumProgress(int)), + bar, SLOT(setMaximum(int))); + l->addWidget(bar); + + l->addStretch(); + + return w; +} + +void InstrumentWidget::playSamples() +{ + Selections* sels = &selections; + if(tabs->currentIndex() == generateTabId) + { + sels = &selections_preview; + } + + QVector<sel_id_t> ids = sels->ids(); + for(int v1 = 0; v1 < ids.size(); v1++) + { + for(int v2 = 0; v2 < ids.size(); v2++) + { + Selection sel1 = sels->get(ids[v1]); + Selection sel2 = sels->get(ids[v2]); + + if(sel1.energy < sel2.energy) + { + sel_id_t vtmp = ids[v1]; + ids[v1] = ids[v2]; + ids[v2] = vtmp; + } + } + } + + QVector<sel_id_t>::iterator i = ids.begin(); + while(i != ids.end()) + { + Selection sel = sels->get(*i); + + unsigned int length = sb_playsamples->value() * 44100 / 1000; + + unsigned int sample_length = sel.to - sel.from; + + unsigned int to = sel.to; + + if(sample_length > length) + { + to = sel.from + length; + } + + sels->setActive(*i); + + connect(&player, SIGNAL(positionUpdate(size_t)), + listen, SLOT(update(size_t))); + + player.playSelection(sel, to - sel.from); + QTime t; + t.start(); + while(t.elapsed() < sb_playsamples->value()) + { + qApp->processEvents(); + q_usleep(25 * 1000); + } + player.stop(); + + disconnect(&player, SIGNAL(positionUpdate(size_t)), + listen, SLOT(update(size_t))); + i++; + } +} + +void InstrumentWidget::doExport() +{ + extractor->exportSelections(); +} + +void InstrumentWidget::loadFile(QString filename) +{ + setCursor(Qt::WaitCursor); + statusBar()->showMessage(tr("Loading...")); + qApp->processEvents(); + + sorter->setWavData(NULL, 0); + player.setPcmData(NULL, 0); + + canvaswidget->canvas->load(filename); + + sorter->setWavData(canvaswidget->canvas->data, canvaswidget->canvas->size); + player.setPcmData(canvaswidget->canvas->data, canvaswidget->canvas->size); + + statusBar()->showMessage(tr("Ready")); + setCursor(Qt::ArrowCursor); +} + +void InstrumentWidget::browse() +{ + QString path = + QFileDialog::getExistingDirectory(this, tr("Select export path"), + lineed_exportp->text()); + lineed_exportp->setText(path); +} |