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Song.cpp
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/*
* Song.cpp - root of the model tree
*
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* This program 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.
*
* This program 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 this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include "Song.h"
#include <QTextStream>
#include <QCoreApplication>
#include <QDebug>
#include <QFile>
#include <QFileInfo>
#include <QMessageBox>
#include <functional>
#include "AutomationTrack.h"
#include "AutomationEditor.h"
#include "BBEditor.h"
#include "BBTrack.h"
#include "BBTrackContainer.h"
#include "ConfigManager.h"
#include "ControllerRackView.h"
#include "ControllerConnection.h"
#include "embed.h"
#include "EnvelopeAndLfoParameters.h"
#include "ExportProjectDialog.h"
#include "FxMixer.h"
#include "FxMixerView.h"
#include "GuiApplication.h"
#include "ImportFilter.h"
#include "ExportFilter.h"
#include "MainWindow.h"
#include "FileDialog.h"
#include "Pattern.h"
#include "PianoRoll.h"
#include "ProjectJournal.h"
#include "ProjectNotes.h"
#include "SongEditor.h"
#include "TextFloat.h"
#include "TimeLineWidget.h"
#include "PeakController.h"
#include "VersionedSaveDialog.h"
tick_t MidiTime::s_ticksPerTact = DefaultTicksPerTact;
Song::Song() :
TrackContainer(),
m_globalAutomationTrack( dynamic_cast<AutomationTrack *>(
Track::create( Track::HiddenAutomationTrack,
this ) ) ),
m_tempoModel( DefaultTempo, MinTempo, MaxTempo, this, tr( "Tempo" ) ),
m_timeSigModel( this ),
m_oldTicksPerTact( DefaultTicksPerTact ),
m_masterVolumeModel( 100, 0, 200, this, tr( "Master volume" ) ),
m_masterPitchModel( 0, -12, 12, this, tr( "Master pitch" ) ),
m_nLoadingTrack( 0 ),
m_fileName(),
m_oldFileName(),
m_modified( false ),
m_loadOnLaunch( true ),
m_recording( false ),
m_exporting( false ),
m_exportLoop( false ),
m_renderBetweenMarkers( false ),
m_playing( false ),
m_paused( false ),
m_loadingProject( false ),
m_isCancelled( false ),
m_playMode( Mode_None ),
m_length( 0 ),
m_patternToPlay( NULL ),
m_loopPattern( false ),
m_elapsedMilliSeconds( 0 ),
m_elapsedTicks( 0 ),
m_elapsedTacts( 0 )
{
connect( &m_tempoModel, SIGNAL( dataChanged() ),
this, SLOT( setTempo() ), Qt::DirectConnection );
connect( &m_tempoModel, SIGNAL( dataUnchanged() ),
this, SLOT( setTempo() ), Qt::DirectConnection );
connect( &m_timeSigModel, SIGNAL( dataChanged() ),
this, SLOT( setTimeSignature() ), Qt::DirectConnection );
connect( Engine::mixer(), SIGNAL( sampleRateChanged() ), this,
SLOT( updateFramesPerTick() ) );
connect( &m_masterVolumeModel, SIGNAL( dataChanged() ),
this, SLOT( masterVolumeChanged() ), Qt::DirectConnection );
/* connect( &m_masterPitchModel, SIGNAL( dataChanged() ),
this, SLOT( masterPitchChanged() ) );*/
qRegisterMetaType<Note>( "Note" );
setType( SongContainer );
}
Song::~Song()
{
m_playing = false;
delete m_globalAutomationTrack;
}
void Song::masterVolumeChanged()
{
Engine::mixer()->setMasterGain( m_masterVolumeModel.value() /
100.0f );
}
void Song::setTempo()
{
Engine::mixer()->requestChangeInModel();
const bpm_t tempo = ( bpm_t ) m_tempoModel.value();
PlayHandleList & playHandles = Engine::mixer()->playHandles();
for( PlayHandleList::Iterator it = playHandles.begin();
it != playHandles.end(); ++it )
{
NotePlayHandle * nph = dynamic_cast<NotePlayHandle *>( *it );
if( nph && !nph->isReleased() )
{
nph->lock();
nph->resize( tempo );
nph->unlock();
}
}
Engine::mixer()->doneChangeInModel();
Engine::updateFramesPerTick();
m_vstSyncController.setTempo( tempo );
emit tempoChanged( tempo );
}
void Song::setTimeSignature()
{
MidiTime::setTicksPerTact( ticksPerTact() );
emit timeSignatureChanged( m_oldTicksPerTact, ticksPerTact() );
emit dataChanged();
m_oldTicksPerTact = ticksPerTact();
m_vstSyncController.setTimeSignature(
getTimeSigModel().getNumerator(), getTimeSigModel().getDenominator() );
}
void Song::savePos()
{
TimeLineWidget * tl = m_playPos[m_playMode].m_timeLine;
if( tl != NULL )
{
tl->savePos( m_playPos[m_playMode] );
}
}
void Song::processNextBuffer()
{
m_vstSyncController.setPlaybackJumped( false );
// if not playing, nothing to do
if( m_playing == false )
{
return;
}
TrackList trackList;
int tcoNum = -1; // track content object number
// determine the list of tracks to play and the track content object
// (TCO) number
switch( m_playMode )
{
case Mode_PlaySong:
trackList = tracks();
// at song-start we have to reset the LFOs
if( m_playPos[Mode_PlaySong] == 0 )
{
EnvelopeAndLfoParameters::instances()->reset();
}
break;
case Mode_PlayBB:
if( Engine::getBBTrackContainer()->numOfBBs() > 0 )
{
tcoNum = Engine::getBBTrackContainer()->
currentBB();
trackList.push_back( BBTrack::findBBTrack(
tcoNum ) );
}
break;
case Mode_PlayPattern:
if( m_patternToPlay != NULL )
{
tcoNum = m_patternToPlay->getTrack()->
getTCONum( m_patternToPlay );
trackList.push_back(
m_patternToPlay->getTrack() );
}
break;
default:
return;
}
// if we have no tracks to play, nothing to do
if( trackList.empty() == true )
{
return;
}
// check for looping-mode and act if necessary
TimeLineWidget * tl = m_playPos[m_playMode].m_timeLine;
bool checkLoop =
tl != NULL && m_exporting == false && tl->loopPointsEnabled();
if( checkLoop )
{
// if looping-mode is enabled and we are outside of the looping
// range, go to the beginning of the range
if( m_playPos[m_playMode] < tl->loopBegin() ||
m_playPos[m_playMode] >= tl->loopEnd() )
{
m_elapsedMilliSeconds =
( tl->loopBegin().getTicks() * 60 * 1000 / 48 ) / getTempo();
m_playPos[m_playMode].setTicks(
tl->loopBegin().getTicks() );
m_vstSyncController.setPlaybackJumped( true );
emit updateSampleTracks();
}
}
if( m_playPos[m_playMode].jumped() )
{
m_vstSyncController.setPlaybackJumped( true );
m_playPos[m_playMode].setJumped( false );
}
f_cnt_t framesPlayed = 0;
const float framesPerTick = Engine::framesPerTick();
while( framesPlayed < Engine::mixer()->framesPerPeriod() )
{
m_vstSyncController.update();
float currentFrame = m_playPos[m_playMode].currentFrame();
// did we play a tick?
if( currentFrame >= framesPerTick )
{
int ticks = m_playPos[m_playMode].getTicks() +
( int )( currentFrame / framesPerTick );
// did we play a whole tact?
if( ticks >= MidiTime::ticksPerTact() )
{
// per default we just continue playing even if
// there's no more stuff to play
// (song-play-mode)
int maxTact = m_playPos[m_playMode].getTact()
+ 2;
// then decide whether to go over to next tact
// or to loop back to first tact
if( m_playMode == Mode_PlayBB )
{
maxTact = Engine::getBBTrackContainer()
->lengthOfCurrentBB();
}
else if( m_playMode == Mode_PlayPattern &&
m_loopPattern == true &&
tl != NULL &&
tl->loopPointsEnabled() == false )
{
maxTact = m_patternToPlay->length()
.getTact();
}
// end of played object reached?
if( m_playPos[m_playMode].getTact() + 1
>= maxTact )
{
// then start from beginning and keep
// offset
ticks %= ( maxTact * MidiTime::ticksPerTact() );
// wrap milli second counter
m_elapsedMilliSeconds =
( ticks * 60 * 1000 / 48 ) / getTempo();
m_vstSyncController.setPlaybackJumped( true );
}
}
m_playPos[m_playMode].setTicks( ticks );
if( checkLoop )
{
m_vstSyncController.startCycle(
tl->loopBegin().getTicks(), tl->loopEnd().getTicks() );
// if looping-mode is enabled and we have got
// past the looping range, return to the
// beginning of the range
if( m_playPos[m_playMode] >= tl->loopEnd() )
{
ticks = tl->loopBegin().getTicks();
m_playPos[m_playMode].setTicks( ticks );
m_elapsedMilliSeconds =
( ticks * 60 * 1000 / 48 ) / getTempo();
m_vstSyncController.setPlaybackJumped( true );
emit updateSampleTracks();
}
}
else
{
m_vstSyncController.stopCycle();
}
currentFrame = fmodf( currentFrame, framesPerTick );
m_playPos[m_playMode].setCurrentFrame( currentFrame );
}
if( framesPlayed == 0 )
{
// update VST sync position after we've corrected frame/
// tick count but before actually playing any frames
m_vstSyncController.setAbsolutePosition(
m_playPos[m_playMode].getTicks()
+ m_playPos[m_playMode].currentFrame()
/ (double) framesPerTick );
}
f_cnt_t framesToPlay =
Engine::mixer()->framesPerPeriod() - framesPlayed;
f_cnt_t framesLeft = ( f_cnt_t )framesPerTick -
( f_cnt_t )currentFrame;
// skip last frame fraction
if( framesLeft == 0 )
{
++framesPlayed;
m_playPos[m_playMode].setCurrentFrame( currentFrame
+ 1.0f );
continue;
}
// do we have samples left in this tick but these are less
// than samples we have to play?
if( framesLeft < framesToPlay )
{
// then set framesToPlay to remaining samples, the
// rest will be played in next loop
framesToPlay = framesLeft;
}
if( ( f_cnt_t ) currentFrame == 0 )
{
processAutomations(trackList, m_playPos[m_playMode], framesToPlay);
// loop through all tracks and play them
for( int i = 0; i < trackList.size(); ++i )
{
trackList[i]->play( m_playPos[m_playMode],
framesToPlay,
framesPlayed, tcoNum );
}
}
// update frame-counters
framesPlayed += framesToPlay;
m_playPos[m_playMode].setCurrentFrame( framesToPlay +
currentFrame );
m_elapsedMilliSeconds +=
( ( framesToPlay / framesPerTick ) * 60 * 1000 / 48 )
/ getTempo();
m_elapsedTacts = m_playPos[Mode_PlaySong].getTact();
m_elapsedTicks = ( m_playPos[Mode_PlaySong].getTicks() % ticksPerTact() ) / 48;
}
}
void Song::processAutomations(const TrackList &tracklist, MidiTime timeStart, fpp_t)
{
AutomatedValueMap values;
QSet<const AutomatableModel*> recordedModels;
TrackContainer* container = this;
int tcoNum = -1;
switch (m_playMode)
{
case Mode_PlaySong:
break;
case Mode_PlayBB:
{
Q_ASSERT(tracklist.size() == 1);
Q_ASSERT(tracklist.at(0)->type() == Track::BBTrack);
auto bbTrack = dynamic_cast<BBTrack*>(tracklist.at(0));
auto bbContainer = Engine::getBBTrackContainer();
container = bbContainer;
tcoNum = bbTrack->index();
}
break;
default:
return;
}
values = container->automatedValuesAt(timeStart, tcoNum);
TrackList tracks = container->tracks();
Track::tcoVector tcos;
for (Track* track : tracks)
{
if (track->type() == Track::AutomationTrack) {
track->getTCOsInRange(tcos, 0, timeStart);
}
}
// Process recording
for (TrackContentObject* tco : tcos)
{
auto p = dynamic_cast<AutomationPattern *>(tco);
MidiTime relTime = timeStart - p->startPosition();
if (p->isRecording() && relTime >= 0 && relTime < p->length())
{
const AutomatableModel* recordedModel = p->firstObject();
p->recordValue(relTime, recordedModel->value<float>());
recordedModels << recordedModel;
}
}
// Apply values
for (auto it = values.begin(); it != values.end(); it++)
{
if (! recordedModels.contains(it.key()))
{
it.key()->setAutomatedValue(it.value());
}
}
}
std::pair<MidiTime, MidiTime> Song::getExportEndpoints() const
{
if ( m_renderBetweenMarkers )
{
return std::pair<MidiTime, MidiTime>(
m_playPos[Mode_PlaySong].m_timeLine->loopBegin(),
m_playPos[Mode_PlaySong].m_timeLine->loopEnd()
);
}
else if ( m_exportLoop )
{
return std::pair<MidiTime, MidiTime>( MidiTime(0, 0), MidiTime(m_length, 0) );
}
else
{
// if not exporting as a loop, we leave one bar of padding at the end of the song to accomodate reverb, etc.
return std::pair<MidiTime, MidiTime>( MidiTime(0, 0), MidiTime(m_length+1, 0) );
}
}
void Song::playSong()
{
m_recording = false;
if( isStopped() == false )
{
stop();
}
m_playMode = Mode_PlaySong;
m_playing = true;
m_paused = false;
m_vstSyncController.setPlaybackState( true );
savePos();
emit playbackStateChanged();
}
void Song::record()
{
m_recording = true;
// TODO: Implement
}
void Song::playAndRecord()
{
playSong();
m_recording = true;
}
void Song::playBB()
{
if( isStopped() == false )
{
stop();
}
m_playMode = Mode_PlayBB;
m_playing = true;
m_paused = false;
m_vstSyncController.setPlaybackState( true );
savePos();
emit playbackStateChanged();
}
void Song::playPattern( const Pattern* patternToPlay, bool loop )
{
if( isStopped() == false )
{
stop();
}
m_patternToPlay = patternToPlay;
m_loopPattern = loop;
if( m_patternToPlay != NULL )
{
m_playMode = Mode_PlayPattern;
m_playing = true;
m_paused = false;
}
savePos();
emit playbackStateChanged();
}
void Song::updateLength()
{
m_length = 0;
m_tracksMutex.lockForRead();
for( TrackList::const_iterator it = tracks().begin();
it != tracks().end(); ++it )
{
if( Engine::getSong()->isExporting() &&
( *it )->isMuted() )
{
continue;
}
const tact_t cur = ( *it )->length();
if( cur > m_length )
{
m_length = cur;
}
}
m_tracksMutex.unlock();
emit lengthChanged( m_length );
}
void Song::setPlayPos( tick_t ticks, PlayModes playMode )
{
m_elapsedTicks += m_playPos[playMode].getTicks() - ticks;
m_elapsedMilliSeconds +=
( ( ( ( ticks - m_playPos[playMode].getTicks() ) ) * 60 * 1000 / 48) /
getTempo() );
m_playPos[playMode].setTicks( ticks );
m_playPos[playMode].setCurrentFrame( 0.0f );
m_playPos[playMode].setJumped( true );
// send a signal if playposition changes during playback
if( isPlaying() )
{
emit playbackPositionChanged();
emit updateSampleTracks();
}
}
void Song::togglePause()
{
if( m_paused == true )
{
m_playing = true;
m_paused = false;
}
else
{
m_playing = false;
m_paused = true;
}
m_vstSyncController.setPlaybackState( m_playing );
emit playbackStateChanged();
}
void Song::stop()
{
// do not stop/reset things again if we're stopped already
if( m_playMode == Mode_None )
{
return;
}
TimeLineWidget * tl = m_playPos[m_playMode].m_timeLine;
m_paused = false;
m_recording = true;
if( tl != NULL )
{
switch( tl->behaviourAtStop() )
{
case TimeLineWidget::BackToZero:
m_playPos[m_playMode].setTicks( 0 );
m_elapsedMilliSeconds = 0;
if( gui && gui->songEditor() &&
( tl->autoScroll() == TimeLineWidget::AutoScrollEnabled ) )
{
QMetaObject::invokeMethod(gui->songEditor()->m_editor, "updatePosition", Qt::AutoConnection, Q_ARG(MidiTime, 0));
}
break;
case TimeLineWidget::BackToStart:
if( tl->savedPos() >= 0 )
{
m_playPos[m_playMode].setTicks( tl->savedPos().getTicks() );
m_elapsedMilliSeconds =
( ( ( tl->savedPos().getTicks() ) * 60 * 1000 / 48 ) /
getTempo() );
if( gui && gui->songEditor() &&
( tl->autoScroll() == TimeLineWidget::AutoScrollEnabled ) )
{
QMetaObject::invokeMethod(gui->songEditor()->m_editor, "updatePosition", Qt::AutoConnection, Q_ARG(MidiTime, tl->savedPos().getTicks()));
}
tl->savePos( -1 );
}
break;
case TimeLineWidget::KeepStopPosition:
default:
break;
}
}
else
{
m_playPos[m_playMode].setTicks( 0 );
m_elapsedMilliSeconds = 0;
}
m_playing = false;
m_playPos[m_playMode].setCurrentFrame( 0 );
m_vstSyncController.setPlaybackState( m_exporting );
m_vstSyncController.setAbsolutePosition(
m_playPos[m_playMode].getTicks()
+ m_playPos[m_playMode].currentFrame()
/ (double) Engine::framesPerTick() );
// remove all note-play-handles that are active
Engine::mixer()->clear();
m_playMode = Mode_None;
emit playbackStateChanged();
}
void Song::startExport()
{
stop();
if(m_renderBetweenMarkers)
{
m_playPos[Mode_PlaySong].setTicks( m_playPos[Mode_PlaySong].m_timeLine->loopBegin().getTicks() );
}
else
{
m_playPos[Mode_PlaySong].setTicks( 0 );
}
playSong();
m_exporting = true;
m_vstSyncController.setPlaybackState( true );
}
void Song::stopExport()
{
stop();
m_exporting = false;
m_exportLoop = false;
m_vstSyncController.setPlaybackState( m_playing );
}
void Song::insertBar()
{
m_tracksMutex.lockForRead();
for( TrackList::const_iterator it = tracks().begin();
it != tracks().end(); ++it )
{
( *it )->insertTact( m_playPos[Mode_PlaySong] );
}
m_tracksMutex.unlock();
}
void Song::removeBar()
{
m_tracksMutex.lockForRead();
for( TrackList::const_iterator it = tracks().begin();
it != tracks().end(); ++it )
{
( *it )->removeTact( m_playPos[Mode_PlaySong] );
}
m_tracksMutex.unlock();
}
void Song::addBBTrack()
{
Track * t = Track::create( Track::BBTrack, this );
Engine::getBBTrackContainer()->setCurrentBB( dynamic_cast<BBTrack *>( t )->index() );
}
void Song::addSampleTrack()
{
( void )Track::create( Track::SampleTrack, this );
}
void Song::addAutomationTrack()
{
( void )Track::create( Track::AutomationTrack, this );
}
bpm_t Song::getTempo()
{
return ( bpm_t )m_tempoModel.value();
}
AutomationPattern * Song::tempoAutomationPattern()
{
return AutomationPattern::globalAutomationPattern( &m_tempoModel );
}
AutomatedValueMap Song::automatedValuesAt(MidiTime time, int tcoNum) const
{
return TrackContainer::automatedValuesFromTracks(TrackList{m_globalAutomationTrack} << tracks(), time, tcoNum);
}
void Song::clearProject()
{
Engine::projectJournal()->setJournalling( false );
if( m_playing )
{
stop();
}
for( int i = 0; i < Mode_Count; i++ )
{
setPlayPos( 0, ( PlayModes )i );
}
Engine::mixer()->requestChangeInModel();
if( gui && gui->getBBEditor() )
{
gui->getBBEditor()->trackContainerView()->clearAllTracks();
}
if( gui && gui->songEditor() )
{
gui->songEditor()->m_editor->clearAllTracks();
}
if( gui && gui->fxMixerView() )
{
gui->fxMixerView()->clear();
}
QCoreApplication::sendPostedEvents();
Engine::getBBTrackContainer()->clearAllTracks();
clearAllTracks();
Engine::fxMixer()->clear();
if( gui && gui->automationEditor() )
{
gui->automationEditor()->setCurrentPattern( NULL );
}
if( gui && gui->pianoRoll() )
{
gui->pianoRoll()->reset();
}
m_tempoModel.reset();
m_masterVolumeModel.reset();
m_masterPitchModel.reset();
m_timeSigModel.reset();
AutomationPattern::globalAutomationPattern( &m_tempoModel )->clear();
AutomationPattern::globalAutomationPattern( &m_masterVolumeModel )->
clear();
AutomationPattern::globalAutomationPattern( &m_masterPitchModel )->
clear();
Engine::mixer()->doneChangeInModel();
if( gui && gui->getProjectNotes() )
{
gui->getProjectNotes()->clear();
}
removeAllControllers();
emit dataChanged();
Engine::projectJournal()->clearJournal();
Engine::projectJournal()->setJournalling( true );
InstrumentTrackView::cleanupWindowCache();
}
// create new file
void Song::createNewProject()
{
QString defaultTemplate = ConfigManager::inst()->userTemplateDir()
+ "default.mpt";
if( QFile::exists( defaultTemplate ) )
{
createNewProjectFromTemplate( defaultTemplate );
return;
}
defaultTemplate = ConfigManager::inst()->factoryProjectsDir()
+ "templates/default.mpt";
if( QFile::exists( defaultTemplate ) )
{
createNewProjectFromTemplate( defaultTemplate );
return;
}
m_loadingProject = true;
clearProject();
Engine::projectJournal()->setJournalling( false );
m_fileName = m_oldFileName = "";
Track * t;
t = Track::create( Track::InstrumentTrack, this );
dynamic_cast<InstrumentTrack * >( t )->loadInstrument(
"tripleoscillator" );
t = Track::create( Track::InstrumentTrack,
Engine::getBBTrackContainer() );
dynamic_cast<InstrumentTrack * >( t )->loadInstrument(
"kicker" );
Track::create( Track::SampleTrack, this );
Track::create( Track::BBTrack, this );
Track::create( Track::AutomationTrack, this );
m_tempoModel.setInitValue( DefaultTempo );
m_timeSigModel.reset();
m_masterVolumeModel.setInitValue( 100 );
m_masterPitchModel.setInitValue( 0 );
QCoreApplication::instance()->processEvents();
m_loadingProject = false;
Engine::getBBTrackContainer()->updateAfterTrackAdd();
Engine::projectJournal()->setJournalling( true );
QCoreApplication::sendPostedEvents();
m_modified = false;
m_loadOnLaunch = false;
if( gui->mainWindow() )
{
gui->mainWindow()->resetWindowTitle();
}
}
void Song::createNewProjectFromTemplate( const QString & templ )
{
loadProject( templ );
// clear file-name so that user doesn't overwrite template when
// saving...
m_fileName = m_oldFileName = "";