void SoundSourceProxy::initSoundSource() {
DEBUG_ASSERT(m_pSoundSource.isNull());
DEBUG_ASSERT(m_pAudioSource.isNull());
while (m_pSoundSource.isNull()) {
Mixxx::SoundSourceProviderPointer pProvider(getSoundSourceProvider());
if (pProvider.isNull()) {
qWarning() << "No SoundSourceProvider for file"
<< getUrl();
// Failure
return;
}
m_pSoundSource = pProvider->newSoundSource(m_url);
if (m_pSoundSource.isNull()) {
qWarning() << "SoundSourceProvider"
<< pProvider->getName()
<< "failed to create a SoundSource for file"
<< getUrl();
// Switch to next provider...
nextSoundSourceProvider();
// ...and continue loop
DEBUG_ASSERT(m_pSoundSource.isNull());
} else {
QString trackType(m_pSoundSource->getType());
qDebug() << "SoundSourceProvider"
<< pProvider->getName()
<< "created a SoundSource for file"
<< getUrl()
<< "of type"
<< trackType;
if (!m_pTrack.isNull()) {
m_pTrack->setType(trackType);
}
}
}
}
// Adjust clip length to (new) selected file.
void qtractorClipForm::fileChanged (
const QString& sFilename, unsigned short iTrackChannel )
{
if (m_iDirtySetup > 0)
return;
qtractorSession *pSession = qtractorSession::getInstance();
if (pSession == NULL)
return;
// Do nothing else if file is invalid...
QFileInfo fi(sFilename);
if (!fi.exists()) {
changed();
return;
}
// Give as clip name hint if blank or new...
if (m_ui.ClipNameLineEdit->text().isEmpty() || m_bClipNew)
m_ui.ClipNameLineEdit->setText(fi.baseName());
// Depending on the clip/track type,
// set clip length to the file length (in frames)...
unsigned long iClipLength = 0;
switch (trackType()) {
case qtractorTrack::Midi: {
qtractorMidiFile file;
if (file.open(sFilename)) {
const unsigned short p = pSession->ticksPerBeat();
const unsigned short q = file.ticksPerBeat();
const unsigned long iTrackDuration
= file.readTrackDuration(iTrackChannel);
if (iTrackDuration > 0) {
const unsigned long duration
= uint64_t(iTrackDuration * p) / q;
iClipLength = pSession->frameFromTick(duration);
}
file.close();
}
break;
}
case qtractorTrack::Audio: {
qtractorAudioFile *pFile
= qtractorAudioFileFactory::createAudioFile(sFilename);
if (pFile) {
if (pFile->open(sFilename)) {
iClipLength = pFile->frames();
if (pFile->sampleRate() > 0
&& pFile->sampleRate() != pSession->sampleRate()) {
iClipLength = (unsigned long) (iClipLength
* float(pSession->sampleRate())
/ float(pFile->sampleRate()));
}
pFile->close();
}
delete pFile;
}
break;
}
case qtractorTrack::None:
default:
break;
}
// Done.
m_ui.ClipOffsetSpinBox->setValue(0);
m_ui.ClipLengthSpinBox->setValue(iClipLength);
changed();
}
// Browse for audio clip filename.
void qtractorClipForm::browseFilename (void)
{
QString sType;
QString sExt;
QString sFilter;
qtractorTrack::TrackType clipType = trackType();
switch (clipType) {
case qtractorTrack::Audio:
sType = tr("Audio");
sExt = qtractorAudioFileFactory::defaultExt();
sFilter = qtractorAudioFileFactory::filters();
break;
case qtractorTrack::Midi:
sType = tr("MIDI");
sExt = "mid";
sFilter = tr("MIDI files (*.%1 *.smf *.midi)").arg(sExt);
break;
case qtractorTrack::None:
default:
return;
}
// Browse for file...
QString sFilename;
const QString& sTitle = tr("%1 Clip File").arg(sType) + " - " QTRACTOR_TITLE;
#if 1//QT_VERSION < 0x040400
QFileDialog::Options options = 0;
qtractorOptions *pOptions = qtractorOptions::getInstance();
if (pOptions && pOptions->bDontUseNativeDialogs)
options |= QFileDialog::DontUseNativeDialog;
sFilename = QFileDialog::getOpenFileName(this,
sTitle, m_ui.FilenameComboBox->currentText(), sFilter, NULL, options);
#else
QFileDialog fileDialog(this,
sTitle, m_ui.FilenameComboBox->currentText(), sFilter);
// Set proper open-file modes...
fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
fileDialog.setFileMode(QFileDialog::ExistingFile);
fileDialog.setDefaultSuffix(sExt);
// Stuff sidebar...
qtractorOptions *pOptions = qtractorOptions::getInstance();
if (pOptions) {
QList<QUrl> urls(fileDialog.sidebarUrls());
urls.append(QUrl::fromLocalFile(pOptions->sSessionDir));
switch (clipType) {
case qtractorTrack::Audio:
urls.append(QUrl::fromLocalFile(pOptions->sAudioDir));
break;
case qtractorTrack::Midi:
urls.append(QUrl::fromLocalFile(pOptions->sMidiDir));
break;
case qtractorTrack::None:
default:
break;
}
fileDialog.setSidebarUrls(urls);
if (pOptions->bDontUseNativeDialogs)
fileDialog.setOptions(QFileDialog::DontUseNativeDialog);
}
// Show dialog...
if (fileDialog.exec())
sFilename = fileDialog.selectedFiles().first();
#endif
if (!sFilename.isEmpty()) {
m_ui.FilenameComboBox->setEditText(sFilename);
m_ui.FilenameComboBox->setFocus();
// changed();
}
}
// Accept settings (OK button slot).
void qtractorClipForm::accept (void)
{
// Sanity check...
if (m_pClip == NULL)
return;
if (!m_pClip->queryEditor())
return;
qtractorSession *pSession = qtractorSession::getInstance();
if (pSession == NULL)
return;
// Save settings...
if (m_iDirtyCount > 0) {
// Cache the changed settings (if any)...
qtractorClipCommand *pClipCommand = NULL;
qtractorTrack::TrackType clipType = trackType();
const QString& sFilename = m_ui.FilenameComboBox->currentText();
const unsigned short iTrackChannel = m_ui.TrackChannelSpinBox->value();
const QString& sClipName = m_ui.ClipNameLineEdit->text();
float fClipGain = 1.0f;
float fTimeStretch = 0.0f;
float fPitchShift = 0.0f;
switch (clipType) {
case qtractorTrack::Audio:
fClipGain = pow10f2(m_ui.ClipGainSpinBox->value());
fTimeStretch = 0.01f * m_ui.TimeStretchSpinBox->value();
fPitchShift = ::powf(2.0f, m_ui.PitchShiftSpinBox->value() / 12.0f);
break;
case qtractorTrack::Midi:
fClipGain = 0.01f * m_ui.ClipGainSpinBox->value();
break;
default:
break;
}
const unsigned long iClipStart = m_ui.ClipStartSpinBox->value();
const unsigned long iClipOffset = m_ui.ClipOffsetSpinBox->value();
const unsigned long iClipLength = m_ui.ClipLengthSpinBox->value();
const unsigned long iFadeInLength = m_ui.FadeInLengthSpinBox->value();
qtractorClip::FadeType fadeInType
= fadeTypeFromIndex(m_ui.FadeInTypeComboBox->currentIndex());
const unsigned long iFadeOutLength = m_ui.FadeOutLengthSpinBox->value();
qtractorClip::FadeType fadeOutType
= fadeTypeFromIndex(m_ui.FadeOutTypeComboBox->currentIndex());
int iFileChange = 0;
// It depends whether we're adding a new clip or not...
if (m_bClipNew) {
// Just set new clip properties...
pClipCommand = new qtractorClipCommand(tr("new clip"));
m_pClip->setClipName(sClipName);
// Filename...
m_pClip->setFilename(sFilename);
// Track-channel and time-stretching...
switch (clipType) {
case qtractorTrack::Audio: {
qtractorAudioClip *pAudioClip
= static_cast<qtractorAudioClip *> (m_pClip);
if (pAudioClip) {
pAudioClip->setTimeStretch(fTimeStretch);
pAudioClip->setPitchShift(fPitchShift);
++iFileChange;
}
break;
}
case qtractorTrack::Midi: {
qtractorMidiClip *pMidiClip
= static_cast<qtractorMidiClip *> (m_pClip);
if (pMidiClip) {
pMidiClip->setTrackChannel(iTrackChannel);
++iFileChange;
}
break;
}
case qtractorTrack::None:
default:
break;
}
// Gain/volume...
m_pClip->setClipGain(fClipGain);
// Parameters...
m_pClip->setClipStart(iClipStart);
m_pClip->setClipOffset(iClipOffset);
m_pClip->setClipLength(iClipLength);
// Fade in...
m_pClip->setFadeInLength(iFadeInLength);
m_pClip->setFadeInType(fadeInType);
// Fade out...
m_pClip->setFadeOutLength(iFadeOutLength);
m_pClip->setFadeOutType(fadeOutType);
// Ready it...
pClipCommand->addClip(m_pClip, m_pClip->track());
// Ready new.
} else {
// Make changes (incrementally) undoable...
pClipCommand = new qtractorClipCommand(tr("edit clip"));
pClipCommand->renameClip(m_pClip, sClipName);
// Filename changes...
if (sFilename != m_pClip->filename())
++iFileChange;
// Track-channel and time-stretch issues...
switch (clipType) {
case qtractorTrack::Audio: {
qtractorAudioClip *pAudioClip
= static_cast<qtractorAudioClip *> (m_pClip);
if (pAudioClip) {
if (::fabsf(fTimeStretch - pAudioClip->timeStretch()) < 0.001f)
fTimeStretch = 0.0f;
if (::fabsf(fPitchShift - pAudioClip->pitchShift()) < 0.001f)
fPitchShift = 0.0f;
}
break;
}
case qtractorTrack::Midi: {
qtractorMidiClip *pMidiClip
= static_cast<qtractorMidiClip *> (m_pClip);
if (pMidiClip) {
if (iTrackChannel != pMidiClip->trackChannel())
++iFileChange;
}
break;
}
case qtractorTrack::None:
default:
break;
}
// Filename and/or track-channel changes...
if (iFileChange > 0)
pClipCommand->fileClip(m_pClip, sFilename, iTrackChannel);
// Gain/volume...
if (::fabsf(fClipGain - m_pClip->clipGain()) > 0.001f)
pClipCommand->gainClip(m_pClip, fClipGain);
// Parameters and/or time-stretching changes...
if (iClipStart != m_pClip->clipStart() ||
iClipOffset != m_pClip->clipOffset() ||
iClipLength != m_pClip->clipLength() ||
fTimeStretch > 0.0f || fPitchShift > 0.0f) {
pClipCommand->resizeClip(m_pClip,
iClipStart, iClipOffset, iClipLength,
fTimeStretch, fPitchShift);
}
// Fade in changes...
if (iFadeInLength != m_pClip->fadeInLength()
|| fadeInType != m_pClip->fadeInType())
pClipCommand->fadeInClip(m_pClip, iFadeInLength, fadeInType);
// Fade out changes...
if (iFadeOutLength != m_pClip->fadeOutLength()
|| fadeOutType != m_pClip->fadeOutType())
pClipCommand->fadeOutClip(m_pClip, iFadeOutLength, fadeOutType);
// Ready edit.
}
// Do it (by making it undoable)...
if (pClipCommand)
pSession->execute(pClipCommand);
// Account for a new file in game...
qtractorMainForm *pMainForm = qtractorMainForm::getInstance();
if (iFileChange > 0 && pMainForm) {
switch (clipType) {
case qtractorTrack::Audio:
pMainForm->addAudioFile(sFilename);
break;
case qtractorTrack::Midi:
pMainForm->addMidiFile(sFilename);
break;
case qtractorTrack::None:
default:
break;
}
// Save history conveniency options...
qtractorOptions *pOptions = qtractorOptions::getInstance();
if (pOptions)
pOptions->saveComboBoxHistory(m_ui.FilenameComboBox);
}
// Reset dirty flag.
m_iDirtyCount = 0;
}
// Just go with dialog acceptance.
QDialog::accept();
}
// Populate (setup) dialog controls from settings descriptors.
void qtractorClipForm::setClip ( qtractorClip *pClip, bool bClipNew )
{
// Initialize conveniency options...
qtractorSession *pSession = qtractorSession::getInstance();
if (pSession == NULL)
return;
// Mark that we're changing thing's here...
++m_iDirtySetup;
// Clip properties cloning...
m_pClip = pClip;
m_bClipNew = bClipNew;
// Why not change the dialog icon accordingly?
if (m_bClipNew)
QDialog::setWindowIcon(QIcon(":/images/editClipNew.png"));
// Copy from global time-scale instance...
if (m_pTimeScale)
delete m_pTimeScale;
m_pTimeScale = new qtractorTimeScale(*pSession->timeScale());
m_ui.ClipStartSpinBox->setTimeScale(m_pTimeScale);
m_ui.ClipOffsetSpinBox->setTimeScale(m_pTimeScale);
m_ui.ClipLengthSpinBox->setTimeScale(m_pTimeScale);
m_ui.FadeInLengthSpinBox->setTimeScale(m_pTimeScale);
m_ui.FadeOutLengthSpinBox->setTimeScale(m_pTimeScale);
// These have special delta formats...
clipStartChanged(m_pClip->clipStart());
// Initialize dialog widgets...
m_ui.ClipNameLineEdit->setText(m_pClip->clipName());
// Parameters...
m_ui.ClipStartSpinBox->setValue(m_pClip->clipStart());
m_ui.ClipOffsetSpinBox->setValue(m_pClip->clipOffset());
m_ui.ClipLengthSpinBox->setValue(m_pClip->clipLength());
// Fade In/Out...
m_ui.FadeInLengthSpinBox->setValue(m_pClip->fadeInLength());
m_ui.FadeInTypeComboBox->setCurrentIndex(
indexFromFadeType(m_pClip->fadeInType()));
m_ui.FadeOutLengthSpinBox->setValue(m_pClip->fadeOutLength());
m_ui.FadeOutTypeComboBox->setCurrentIndex(
indexFromFadeType(m_pClip->fadeOutType()));
// Set proper time scales display format...
m_ui.FormatComboBox->setCurrentIndex(
int(m_pTimeScale->displayFormat()));
// Now those things specific on track type...
const QString sSuffix = m_ui.FilenameComboBox->objectName();
switch (trackType()) {
case qtractorTrack::Audio: {
m_ui.FilenameComboBox->setObjectName("Audio" + sSuffix);
m_ui.GainVolumeGroupBox->setTitle(tr("&Gain:"));
m_ui.ClipGainSpinBox->setSuffix(tr(" dB"));
m_ui.ClipGainSpinBox->setRange(-60.0f, +24.0f);
m_ui.ClipGainSpinBox->setValue(log10f2(m_pClip->clipGain()));
qtractorAudioClip *pAudioClip
= static_cast<qtractorAudioClip *> (m_pClip);
if (pAudioClip) {
m_ui.TimeStretchSpinBox->setValue(
100.0f * pAudioClip->timeStretch());
m_ui.PitchShiftSpinBox->setValue(
12.0f * ::logf(pAudioClip->pitchShift()) / M_LN2);
}
m_ui.TrackChannelTextLabel->setVisible(false);
m_ui.TrackChannelSpinBox->setVisible(false);
m_ui.AudioClipGroupBox->setVisible(true);
#ifndef CONFIG_LIBRUBBERBAND
m_ui.PitchShiftTextLabel->setEnabled(false);
m_ui.PitchShiftSpinBox->setEnabled(false);
#endif
break;
}
case qtractorTrack::Midi: {
m_ui.FilenameComboBox->setObjectName("Midi" + sSuffix);
m_ui.GainVolumeGroupBox->setTitle(tr("&Volume:"));
m_ui.ClipGainSpinBox->setSuffix(tr(" %"));
m_ui.ClipGainSpinBox->setRange(0.0f, 1200.0f);
m_ui.ClipGainSpinBox->setValue(100.0f * m_pClip->clipGain());
qtractorMidiClip *pMidiClip
= static_cast<qtractorMidiClip *> (m_pClip);
if (pMidiClip)
m_ui.TrackChannelSpinBox->setValue(pMidiClip->trackChannel());
m_ui.TrackChannelTextLabel->setVisible(true);
m_ui.TrackChannelSpinBox->setVisible(true);
m_ui.AudioClipGroupBox->setVisible(false);
break;
}
case qtractorTrack::None:
default:
m_ui.TrackChannelTextLabel->setVisible(false);
m_ui.TrackChannelSpinBox->setVisible(false);
m_ui.AudioClipGroupBox->setVisible(false);
break;
}
qtractorOptions *pOptions = qtractorOptions::getInstance();
if (pOptions)
pOptions->loadComboBoxHistory(m_ui.FilenameComboBox);
// Finally set clip filename...
m_ui.FilenameComboBox->setEditText(m_pClip->filename());
// Shake it a little bit first, but
// make it as tight as possible...
// resize(width() - 1, height() - 1);
adjustSize();
// Backup clean.
--m_iDirtySetup;
m_iDirtyCount = 0;
// Done.
stabilizeForm();
}