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pianobooster/src/GuiMidiSetupDialog.cpp

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/*!
@file GuiMidiSetupDialog.cpp
@brief xxx.
@author L. J. Barman
Copyright (c) 2008-2020, L. J. Barman and others, all rights reserved
This file is part of the PianoBooster application
PianoBooster 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 3 of the License, or
(at your option) any later version.
PianoBooster 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 PianoBooster. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QFileInfo>
#include <QtWidgets>
#include "GuiMidiSetupDialog.h"
#if WITH_INTERNAL_FLUIDSYNTH
#include "MidiDeviceFluidSynth.h"
#endif
GuiMidiSetupDialog::GuiMidiSetupDialog(QWidget *parent)
: QDialog(parent)
{
m_song = nullptr;
m_settings = nullptr;
setupUi(this);
m_latencyFix = 0;
m_latencyChanged = false;
midiSetupTabWidget->setCurrentIndex(0);
#ifndef WITH_INTERNAL_FLUIDSYNTH
midiSetupTabWidget->removeTab(midiSetupTabWidget->indexOf(tab_2));
#endif
setWindowTitle(tr("MIDI Setup"));
}
void GuiMidiSetupDialog::init(CSong* song, CSettings* settings)
{
m_song = song;
m_settings = settings;
// Check inputs.
QString portName;
m_latencyFix = m_song->getLatencyFix();
refreshMidiInputCombo();
refreshMidiOutputCombo();
#if WITH_INTERNAL_FLUIDSYNTH
masterGainSpin->setValue(FLUID_DEFAULT_GAIN);
#endif
reverbCheck->setChecked(false);
chorusCheck->setChecked(false);
sampleRateCombo->addItems({"22050", "44100","48000", "88200","96000"});
sampleRateCombo->setValidator(new QIntValidator(22050, 96000, this));
bufferSizeCombo->addItems({"64", "128", "512", "1024", "2024", "4096","8192"});
bufferSizeCombo->setValidator(new QIntValidator(64, 8192, this));
bufferSizeCombo->setCurrentIndex(1);
bufferCountCombo->addItems({"2","4", "8","16", "32", "64"});
bufferCountCombo->setValidator(new QIntValidator(2, 64, this));
bufferCountCombo->setCurrentIndex(1);
updateMidiInfoText();
audioDriverCombo->clear();
#if defined (Q_OS_LINUX)
audioDriverCombo->addItems({"pulseaudio", "alsa"});
#elif defined (Q_OS_DARWIN)
audioDriverCombo->addItems({"coreaudio", "portaudio"});
#elif defined (Q_OS_UNIX)
audioDriverCombo->addItems({"pulseaudio"});
#endif
if (m_settings->getFluidSoundFontNames().size()>0){
masterGainSpin->setValue(m_settings->value("FluidSynth/masterGainSpin","40").toInt());
reverbCheck->setChecked(m_settings->value("FluidSynth/reverbCheck","false").toBool());
chorusCheck->setChecked(m_settings->value("FluidSynth/chorusCheck","false").toBool());
setComboFromSetting(audioDriverCombo, "FluidSynth/audioDriverCombo","pulseaudio");
setComboFromSetting(sampleRateCombo, "FluidSynth/sampleRateCombo","22050");
setComboFromSetting(bufferSizeCombo, "FluidSynth/bufferSizeCombo","128");
setComboFromSetting(bufferCountCombo, "FluidSynth/bufferCountCombo","4");
}
updateFluidInfoStatus();
}
void GuiMidiSetupDialog::setComboFromSetting(QComboBox *combo, const QString &key, const QVariant &defaultValue) {
QString value = m_settings->value(key, defaultValue).toString();
int index = combo->findText(value);
if ( index != -1 ) { // -1 for not found
combo->setCurrentIndex(index);
} else {
combo->setCurrentText(value);
}
}
void GuiMidiSetupDialog::refreshMidiInputCombo()
{
int i = 0;
midiInputCombo->clear();
midiInputCombo->addItem(tr("None (PC Keyboard)"));
midiInputCombo->addItems(m_song->getMidiPortList(CMidiDevice::MIDI_INPUT));
i = midiInputCombo->findText(m_settings->value("Midi/Input").toString());
if (i!=-1)
midiInputCombo->setCurrentIndex(i);
}
void GuiMidiSetupDialog::refreshMidiOutputCombo()
{
int i = 0;
// Check outputs.
midiOutputCombo->clear();
midiOutputCombo->addItem(tr("None"));
midiOutputCombo->addItems(m_song->getMidiPortList(CMidiDevice::MIDI_OUTPUT));
i = midiOutputCombo->findText(m_settings->value("Midi/Output").toString());
if (i!=-1)
midiOutputCombo->setCurrentIndex(i);
}
void GuiMidiSetupDialog::updateMidiInfoText()
{
midiInfoText->clear();
if (midiInputCombo->currentIndex() == 0)
midiInfoText->append("<span style=\"color:black\">" + tr("If you don't have a MIDI keyboard you can use the PC keyboard; 'X' is middle C.") + "</span>");
else if (midiInputCombo->currentText().contains("Midi Through", Qt::CaseInsensitive))
midiInfoText->append("<span style=\"color:#FF6600\">" + tr("The use of MIDI Through is not recommended!") + "</span>");
else
midiInfoText->append("<span style=\"color:gray\">" + tr("MIDI Input Device:") + " " + midiInputCombo->currentText() +"</span>");
if (midiOutputCombo->currentText() == tr("None"))
midiInfoText->append("<span style=\"color:red\">" + tr("No Sound Output Device selected; Choose a MIDI Output Device") + "</span>");
else if (midiOutputCombo->currentText().contains("MIDI Through", Qt::CaseInsensitive))
midiInfoText->append("<span style=\"color:#FF6600\">" + tr("The use of MIDI Through is not recommended!") + "</span>");
else if (midiOutputCombo->currentText().contains("Microsoft GS Wavetable", Qt::CaseInsensitive))
midiInfoText->append("<span style=\"color:#FF6600\">" + tr("Note: the Microsoft GS Wavetable Synth introduces an unwanted delay!") + "\n"
+ tr("(Try a latency fix of 150msc)") + "</span>");
else
midiInfoText->append("<span style=\"color:gray\">" + tr("MIDI Output Device:") + " " + midiOutputCombo->currentText() +"</span>");
latencyFixLabel->setText(tr("%1 mSec").arg(m_latencyFix));
updateFluidInfoStatus();
}
void GuiMidiSetupDialog::on_midiInputCombo_activated (int index)
{
Q_UNUSED(index)
updateMidiInfoText();
}
void GuiMidiSetupDialog::on_midiOutputCombo_activated (int index)
{
Q_UNUSED(index)
updateMidiInfoText();
}
void GuiMidiSetupDialog::on_latencyFixButton_clicked ( bool checked )
{
Q_UNUSED(checked)
bool ok;
int latencyFix = QInputDialog::getInt(this, tr("Enter a value for the latency fix in milliseconds"),
tr(
"The latency fix works by running the music ahead of what you<br>"
"are playing to counteract the delay within the sound generator.<br><br>"
"You will need a piano <b>with speakers</b> that are <b>turned up</b>.<br><br>"
"Enter the time in milliseconds for the delay (1000 mSec = 1 sec)<br>"
"(For the Microsoft GS Wavetable SW Synth try a value of 150)<br>"
"If you are not sure enter a value of zero."),
m_latencyFix, 0, 1000, 50, &ok);
if (ok)
{
m_latencyFix = latencyFix;
m_latencyChanged = true;
updateMidiInfoText();
}
}
void GuiMidiSetupDialog::accept()
{
// save FluidSynth settings
if (m_settings->getFluidSoundFontNames().size()==0){
m_settings->remove(QStringLiteral("FluidSynth"));
}else{
m_settings->setValue(QStringLiteral("FluidSynth/masterGainSpin"),masterGainSpin->value());
m_settings->setValue(QStringLiteral("FluidSynth/bufferSizeCombo"), bufferSizeCombo->currentText());
m_settings->setValue(QStringLiteral("FluidSynth/bufferCountCombo"), bufferCountCombo->currentText());
m_settings->setValue(QStringLiteral("FluidSynth/reverbCheck"),reverbCheck->isChecked());
m_settings->setValue(QStringLiteral("FluidSynth/chorusCheck"),chorusCheck->isChecked());
m_settings->setValue(QStringLiteral("FluidSynth/audioDriverCombo"),audioDriverCombo->currentText());
m_settings->setValue(QStringLiteral("FluidSynth/sampleRateCombo"),sampleRateCombo->currentText());
}
m_settings->saveSoundFontSettings();
m_settings->setValue("Midi/Input", midiInputCombo->currentText());
m_song->openMidiPort(CMidiDevice::MIDI_INPUT, midiInputCombo->currentText() );
if (midiInputCombo->currentText().startsWith(tr("None")))
CChord::setPianoRange(PC_KEY_LOWEST_NOTE, PC_KEY_HIGHEST_NOTE);
else
CChord::setPianoRange(m_settings->value(QStringLiteral("Keyboard/LowestNote"), 0).toInt(),
m_settings->value(QStringLiteral("Keyboard/HighestNote"), 127).toInt());
if (midiOutputCombo->currentIndex()==0){
m_settings->setValue(QStringLiteral("Midi/Output"), QString());
m_song->openMidiPort(CMidiDevice::MIDI_OUTPUT, QString());
}else{
m_settings->setValue(QStringLiteral("Midi/Output"), midiOutputCombo->currentText());
m_song->openMidiPort(CMidiDevice::MIDI_OUTPUT, midiOutputCombo->currentText() );
}
m_settings->updateWarningMessages();
m_settings->setValue("Midi/Latency", m_latencyFix);
m_song->setLatencyFix(m_latencyFix);
m_song->regenerateChordQueue();
if (m_latencyChanged)
{
if( m_latencyFix> 0)
{
int rightSound = m_settings->value(QStringLiteral("Keyboard/RightSound"), Cfg::defaultRightPatch()).toInt();
m_settings->setValue(QStringLiteral("Keyboard/RightSoundPrevious"), rightSound); // Save the current right sound
// Mute the Piano if we are using the latency fix;
m_settings->setValue(QStringLiteral("Keyboard/RightSound"), 0);
m_song->setPianoSoundPatches( -1, -2); // -1 means no sound and -2 means ignore this parameter
}
else
{
int previousRightSound = m_settings->value(QStringLiteral("Keyboard/RightSoundPrevious"), Cfg::defaultRightPatch()).toInt();
m_settings->setValue(QStringLiteral("Keyboard/RightSound"), previousRightSound);
m_song->setPianoSoundPatches(previousRightSound, -2); // -2 means ignore this parameter
}
m_latencyChanged = false;
}
this->QDialog::accept();
}
void GuiMidiSetupDialog::updateFluidInfoStatus()
{
const auto soundFontNames = m_settings->getFluidSoundFontNames();
soundFontList->clear();
if (!soundFontNames.isEmpty())
{
const auto fileInfo = QFileInfo(soundFontNames.first());
if (fileInfo.exists())
{
soundFontList->addItem(fileInfo.fileName());
}
}
bool fontLoaded = (soundFontList->count() > 0) ? true : false;
fluidClearButton->setEnabled(fontLoaded);
fluidLoadButton->setEnabled(soundFontList->count() < 2 ? true : false);
fluidSettingsGroupBox->setEnabled(fontLoaded);
}
void GuiMidiSetupDialog::on_fluidLoadButton_clicked ( bool checked )
{
Q_UNUSED(checked)
#if WITH_INTERNAL_FLUIDSYNTH
QString lastSoundFont = m_settings->value(QStringLiteral("LastSoundFontDir"), QString()).toString();
if (lastSoundFont.isEmpty()) {
lastSoundFont = QDir::homePath();
QStringList possibleSoundFontFolders;
#if defined (Q_OS_LINUX) || defined (Q_OS_UNIX)
possibleSoundFontFolders.push_back("/usr/share/soundfonts");
possibleSoundFontFolders.push_back("/usr/share/sounds/sf2");
#endif
for (const QString &soundFontFolder : possibleSoundFontFolders){
if (QDir(soundFontFolder).exists()){
lastSoundFont=soundFontFolder;
break;
}
}
}
const auto soundFontFile = QFileDialog::getOpenFileName(this, tr("Open SoundFont File for fluidsynth"),
lastSoundFont, tr("SoundFont Files (*.sf2 *.sf3)"));
if (soundFontFile.isEmpty()) return;
const auto soundFontInfo = QFileInfo(soundFontFile);
m_settings->setFluidSoundFontNames(soundFontInfo.filePath());
m_settings->setValue("LastSoundFontDir", soundFontInfo.path());
if (m_settings->isNewSoundFontEntered())
{
int i = midiOutputCombo->findText(CMidiDeviceFluidSynth::getFluidInternalName());
if (i==-1)
midiOutputCombo->addItem(CMidiDeviceFluidSynth::getFluidInternalName());
i = midiOutputCombo->findText(CMidiDeviceFluidSynth::getFluidInternalName());
if (i!=-1)
midiOutputCombo->setCurrentIndex(i);
}
updateFluidInfoStatus();
updateMidiInfoText();
#endif
}
void GuiMidiSetupDialog::on_fluidClearButton_clicked( bool checked ){
Q_UNUSED(checked)
#if WITH_INTERNAL_FLUIDSYNTH
m_settings->clearFluidSoundFontNames();
int i = midiOutputCombo->findText(CMidiDeviceFluidSynth::getFluidInternalName());
if (i>=0)
{
midiOutputCombo->removeItem(i);
midiOutputCombo->setCurrentIndex(0);
}
updateFluidInfoStatus();
#endif
}
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