C++ AutomationPattern类代码示例

void AutomationPattern::resolveAllIDs()
{
	TrackContainer::TrackList l = Engine::getSong()->tracks() +
				Engine::getBBTrackContainer()->tracks();
	l += Engine::getSong()->globalAutomationTrack();
	for( TrackContainer::TrackList::iterator it = l.begin();
							it != l.end(); ++it )
	{
		if( ( *it )->type() == Track::AutomationTrack ||
			 ( *it )->type() == Track::HiddenAutomationTrack )
		{
			Track::tcoVector v = ( *it )->getTCOs();
			for( Track::tcoVector::iterator j = v.begin();
							j != v.end(); ++j )
			{
				AutomationPattern * a = dynamic_cast<AutomationPattern *>( *j );
				if( a )
				{
					for( QVector<jo_id_t>::Iterator k = a->m_idsToResolve.begin();
									k != a->m_idsToResolve.end(); ++k )
					{
						JournallingObject * o = Engine::projectJournal()->
														journallingObject( *k );
						if( o && dynamic_cast<AutomatableModel *>( o ) )
						{
							a->addObject( dynamic_cast<AutomatableModel *>( o ), false );
						}
					}
					a->m_idsToResolve.clear();
					a->dataChanged();
				}
			}
		}
	}
}

void AutomationTrackView::dropEvent( QDropEvent * _de )
{
	QString type = StringPairDrag::decodeKey( _de );
	QString val = StringPairDrag::decodeValue( _de );
	if( type == "automatable_model" )
	{
		AutomatableModel * mod = dynamic_cast<AutomatableModel *>(
				Engine::projectJournal()->
					journallingObject( val.toInt() ) );
		if( mod != NULL )
		{
			MidiTime pos = MidiTime( trackContainerView()->
							currentPosition() +
				( _de->pos().x() -
					getTrackContentWidget()->x() ) *
						MidiTime::ticksPerTact() /
		static_cast<int>( trackContainerView()->pixelsPerTact() ) )
				.toAbsoluteTact();

			if( pos.getTicks() < 0 )
			{
				pos.setTicks( 0 );
			}

			TrackContentObject * tco = getTrack()->createTCO( pos );
			AutomationPattern * pat = dynamic_cast<AutomationPattern *>( tco );
			pat->addObject( mod );
			pat->movePosition( pos );
		}
	}

	update();
}

AutomationPattern * AutomationPattern::globalAutomationPattern(
							AutomatableModel * _m )
{
	AutomationTrack * t = Engine::getSong()->globalAutomationTrack();
	Track::tcoVector v = t->getTCOs();
	for( Track::tcoVector::const_iterator j = v.begin(); j != v.end(); ++j )
	{
		AutomationPattern * a = dynamic_cast<AutomationPattern *>( *j );
		if( a )
		{
			for( objectVector::const_iterator k = a->m_objects.begin();
												k != a->m_objects.end(); ++k )
			{
				if( *k == _m )
				{
					return a;
				}
			}
		}
	}

	AutomationPattern * a = new AutomationPattern( t );
	a->addObject( _m, false );
	return a;
}

float AutomatableModel::globalAutomationValueAt( const MidiTime& time )
{
	// get patterns that connect to this model
	QVector<AutomationPattern *> patterns = AutomationPattern::patternsForModel( this );
	if( patterns.isEmpty() )
	{
		// if no such patterns exist, return current value
		return m_value;
	}
	else
	{
		// of those patterns:
		// find the patterns which overlap with the miditime position
		QVector<AutomationPattern *> patternsInRange;
		for( QVector<AutomationPattern *>::ConstIterator it = patterns.begin(); it != patterns.end(); it++ )
		{
			int s = ( *it )->startPosition();
			int e = ( *it )->endPosition();
			if( s <= time && e >= time ) { patternsInRange += ( *it ); }
		}

		AutomationPattern * latestPattern = NULL;

		if( ! patternsInRange.isEmpty() )
		{
			// if there are more than one overlapping patterns, just use the first one because
			// multiple pattern behaviour is undefined anyway
			latestPattern = patternsInRange[0];
		}
		else
		// if we find no patterns at the exact miditime, we need to search for the last pattern before time and use that
		{
			int latestPosition = 0;

			for( QVector<AutomationPattern *>::ConstIterator it = patterns.begin(); it != patterns.end(); it++ )
			{
				int e = ( *it )->endPosition();
				if( e <= time && e > latestPosition )
				{
					latestPosition = e;
					latestPattern = ( *it );
				}
			}
		}

		if( latestPattern )
		{
			// scale/fit the value appropriately and return it
			const float value = latestPattern->valueAt( time - latestPattern->startPosition() );
			const float scaled_value = scaledValue( value );
			return fittedValue( scaled_value );
		}
		// if we still find no pattern, the value at that time is undefined so
		// just return current value as the best we can do
		else return m_value;
	}
}

	smfMidiCC & putValue( MidiTime time, AutomatableModel * objModel, float value )
	{
		if( !ap || time > lastPos + DefaultTicksPerTact )
		{
			MidiTime pPos = MidiTime( time.getTact(), 0 );
			ap = dynamic_cast<AutomationPattern*>(
				at->createTCO(0) );
			ap->movePosition( pPos );
			ap->addObject( objModel );
		}

		lastPos = time;
		time = time - ap->startPosition();
		ap->putValue( time, value, false );
		ap->changeLength( MidiTime( time.getTact() + 1, 0 ) ); 

		return *this;
	}

/*! \brief returns a list of all the automation patterns everywhere that are connected to a specific model
 *  \param _m the model we want to look for
 */
QVector<AutomationPattern *> AutomationPattern::patternsForModel( const AutomatableModel * _m )
{
	QVector<AutomationPattern *> patterns;
	TrackContainer::TrackList l;
	l += Engine::getSong()->tracks();
	l += Engine::getBBTrackContainer()->tracks();
	l += Engine::getSong()->globalAutomationTrack();

	// go through all tracks...
	for( TrackContainer::TrackList::ConstIterator it = l.begin(); it != l.end(); ++it )
	{
		// we want only automation tracks...
		if( ( *it )->type() == Track::AutomationTrack ||
			( *it )->type() == Track::HiddenAutomationTrack )
		{
			// get patterns in those tracks....
			const Track::tcoVector & v = ( *it )->getTCOs();
			// go through all the patterns...
			for( Track::tcoVector::ConstIterator j = v.begin(); j != v.end(); ++j )
			{
				AutomationPattern * a = dynamic_cast<AutomationPattern *>( *j );
				// check that the pattern has automation
				if( a && a->hasAutomation() )
				{
					// now check is the pattern is connected to the model we want by going through all the connections
					// of the pattern
					bool has_object = false;
					for( objectVector::const_iterator k = a->m_objects.begin(); k != a->m_objects.end(); ++k )
					{
						if( *k == _m )
						{
							has_object = true;
						}
					}
					// if the patterns is connected to the model, add it to the list
					if( has_object ) { patterns += a; }
				}
			}
		}
	}
	return patterns;
}

bool AutomationTrack::play( const MidiTime & _start, const fpp_t _frames,
							const f_cnt_t _frame_base, int _tco_num )
{
	if( isMuted() )
	{
		return false;
	}

	tcoVector tcos;
	if( _tco_num >= 0 )
	{
		TrackContentObject * tco = getTCO( _tco_num );
		tcos.push_back( tco );
	}
	else
	{
		getTCOsInRange( tcos, _start, _start + static_cast<int>(
					_frames / Engine::framesPerTick()) );
	}

	for( tcoVector::iterator it = tcos.begin(); it != tcos.end(); ++it )
	{
		AutomationPattern * p = dynamic_cast<AutomationPattern *>( *it );
		if( p == NULL || ( *it )->isMuted() )
		{
			continue;
		}
		MidiTime cur_start = _start;
		if( _tco_num < 0 )
		{
			cur_start -= p->startPosition();
		}
		p->processMidiTime( cur_start );
	}
	return false;
}

void AutomatableModel::loadSettings( const QDomElement& element, const QString& name )
{
	// read scale type and overwrite default scale type
	if( element.hasAttribute("scale_type") ) // wrong in most cases
	{
		if( element.attribute("scale_type") == "log" )
		 setScaleType( Logarithmic );
	}
	else {
		setScaleType( Linear );
	}

	// compat code
	QDomNode node = element.namedItem( AutomationPattern::classNodeName() );
	if( node.isElement() )
	{
		node = node.namedItem( name );
		if( node.isElement() )
		{
			AutomationPattern * p = AutomationPattern::globalAutomationPattern( this );
			p->loadSettings( node.toElement() );
			setValue( p->valueAt( 0 ) );
			// in older projects we sometimes have odd automations
			// with just one value in - eliminate if necessary
			if( !p->hasAutomation() )
			{
				delete p;
			}
			return;
		}
		// logscales were not existing at this point of time
		// so they can be ignored
	}

	QDomNode connectionNode = element.namedItem( "connection" );
	// reads controller connection
	if( connectionNode.isElement() )
	{
		QDomNode thisConnection = connectionNode.toElement().namedItem( name );
		if( thisConnection.isElement() )
		{
			setControllerConnection( new ControllerConnection( (Controller*)NULL ) );
			m_controllerConnection->loadSettings( thisConnection.toElement() );
			//m_controllerConnection->setTargetName( displayName() );
		}
	}
	
	// models can be stored as elements (port00) or attributes (port10):
	// <ladspacontrols port10="4.41">
	//   <port00 value="4.41" id="4249278"/>
	// </ladspacontrols>
	// element => there is automation data
	node = element.namedItem( name );
        if( node.isElement() )
        {
                changeID( node.toElement().attribute( "id" ).toInt() );
                setValue( node.toElement().attribute( "value" ).toFloat() );
        }
        else if( element.hasAttribute( name ) )
	// attribute => read the element's value from the attribute list
	{
		setInitValue( element.attribute( name ).toFloat() );
	}
	else
	{
		reset();
	}
}

//.........这里部分代码省略.........
					m = t->pitchModel();
					break;
				case FL_Automation::ControlFXChannel:
					m = t->effectChannelModel();
					value = value*200/128 - PanningRight;
					break;
				case FL_Automation::ControlFilterCut:
					scale = true;
					m = &t->m_soundShaping.m_filterCutModel;
					value /= ( 255 * 2.5f );
					break;
				case FL_Automation::ControlFilterRes:
					scale = true;
					m = &t->m_soundShaping.m_filterResModel;
					value = 0.1f + value / ( 256.0f * 2 );
					break;
				case FL_Automation::ControlFilterType:
					m = &t->m_soundShaping.m_filterModel;
					value = mappedFilter[jt->value];
					break;
				default:
					qDebug( "handling automation data of "
							"control %d not implemented "
							"yet\n", jt->control );
					break;
			}
			if( m )
			{
if( scale )
{
	value = m->minValue<float>() + value *
				( m->maxValue<float>() - m->minValue<float>() );
}
AutomationPattern * p = AutomationPattern::globalAutomationPattern( m );
p->putValue( jt->pos, value, false );
			}
		}

		progressDialog.setValue( ++cur_progress );
		qApp->processEvents();
	}

	// process all effects
	EffectKeyList effKeys;
	Plugin::DescriptorList pluginDescs;
	Plugin::getDescriptorsOfAvailPlugins( pluginDescs );
	for( Plugin::DescriptorList::ConstIterator it = pluginDescs.begin();
											it != pluginDescs.end(); ++it )
	{
		if( it->type != Plugin::Effect )
		{
			continue;
		}
		if( it->subPluginFeatures )
		{
			it->subPluginFeatures->listSubPluginKeys( &( *it ), effKeys );
		}
		else
		{
			effKeys << EffectKey( &( *it ), it->name );
		}
	}

	for( int fx_ch = 0; fx_ch <= NumFLFxChannels ; ++fx_ch )
	{
		FxChannel * ch = engine::fxMixer()->effectChannel( fx_ch );

bool MidiImport::readSMF( TrackContainer* tc )
{
	QString filename = file().fileName();
	closeFile();

	const int preTrackSteps = 2;
	QProgressDialog pd( TrackContainer::tr( "Importing MIDI-file..." ),
	TrackContainer::tr( "Cancel" ), 0, preTrackSteps, gui->mainWindow() );
	pd.setWindowTitle( TrackContainer::tr( "Please wait..." ) );
	pd.setWindowModality(Qt::WindowModal);
	pd.setMinimumDuration( 0 );

	pd.setValue( 0 );

	Alg_seq_ptr seq = new Alg_seq(filename.toLocal8Bit(), true);
	seq->convert_to_beats();

	pd.setMaximum( seq->tracks()  + preTrackSteps );
	pd.setValue( 1 );
	
	// 128 CC + Pitch Bend
	smfMidiCC ccs[129];
	smfMidiChannel chs[256];

	MeterModel & timeSigMM = Engine::getSong()->getTimeSigModel();
	AutomationPattern * timeSigNumeratorPat = 
		AutomationPattern::globalAutomationPattern( &timeSigMM.numeratorModel() );
	AutomationPattern * timeSigDenominatorPat = 
		AutomationPattern::globalAutomationPattern( &timeSigMM.denominatorModel() );
	
	// TODO: adjust these to Time.Sig changes
	double beatsPerTact = 4; 
	double ticksPerBeat = DefaultTicksPerTact / beatsPerTact;

	// Time-sig changes
	Alg_time_sigs * timeSigs = &seq->time_sig;
	for( int s = 0; s < timeSigs->length(); ++s )
	{
		Alg_time_sig timeSig = (*timeSigs)[s];
		// Initial timeSig, set song-default value
		if(/* timeSig.beat == 0*/ true )
		{
			// TODO set song-global default value
			printf("Another timesig at %f\n", timeSig.beat);
			timeSigNumeratorPat->putValue( timeSig.beat*ticksPerBeat, timeSig.num );
			timeSigDenominatorPat->putValue( timeSig.beat*ticksPerBeat, timeSig.den );
		}
		else
		{
		}

	}

	pd.setValue( 2 );

	// Tempo stuff
	AutomationPattern * tap = tc->tempoAutomationPattern();
	if( tap )
	{
		tap->clear();
		Alg_time_map * timeMap = seq->get_time_map();
		Alg_beats & beats = timeMap->beats;
		for( int i = 0; i < beats.len - 1; i++ )
		{
			Alg_beat_ptr b = &(beats[i]);
			double tempo = ( beats[i + 1].beat - b->beat ) /
						   ( beats[i + 1].time - beats[i].time );
			tap->putValue( b->beat * ticksPerBeat, tempo * 60.0 );
		}
		if( timeMap->last_tempo_flag )
		{
			Alg_beat_ptr b = &( beats[beats.len - 1] );
			tap->putValue( b->beat * ticksPerBeat, timeMap->last_tempo * 60.0 );
		}
	}

	// Song events
	for( int e = 0; e < seq->length(); ++e )
	{
		Alg_event_ptr evt = (*seq)[e];

		if( evt->is_update() )
		{
			printf("Unhandled SONG update: %d %f %s\n", 
					evt->get_type_code(), evt->time, evt->get_attribute() );
		}
	}

	// Tracks
	for( int t = 0; t < seq->tracks(); ++t )
	{
		QString trackName = QString( tr( "Track" ) + " %1" ).arg( t );
		Alg_track_ptr trk = seq->track( t );
		pd.setValue( t + preTrackSteps );

		for( int c = 0; c < 129; c++ )
		{
			ccs[c].clear();
		}

//.........这里部分代码省略.........