コード例 #1
0
ファイル: SongEditorPanel.cpp プロジェクト: jdekozak/hydrogen
void SongEditorPanel::updatePlaybackFaderPeaks()
{
	Sampler*		pSampler = AudioEngine::get_instance()->get_sampler();
	Preferences *	pPref = Preferences::get_instance();
	Instrument*		pInstrument = pSampler->__playback_instrument;

	
	bool bShowPeaks = pPref->showInstrumentPeaks();
	float fallOff = pPref->getMixerFalloffSpeed();
	
	// fader
	float fOldPeak_L = m_pPlaybackTrackFader->getPeak_L();
	float fOldPeak_R = m_pPlaybackTrackFader->getPeak_R();
	
	float fNewPeak_L = pInstrument->get_peak_l();
	pInstrument->set_peak_l( 0.0f );	// reset instrument peak

	float fNewPeak_R = pInstrument->get_peak_r();
	pInstrument->set_peak_r( 0.0f );	// reset instrument peak

	if (!bShowPeaks) {
		fNewPeak_L = 0.0f;
		fNewPeak_R = 0.0f;
	}

	if ( fNewPeak_L >= fOldPeak_L) {	// LEFT peak
		m_pPlaybackTrackFader->setPeak_L( fNewPeak_L );
	}
	else {
		m_pPlaybackTrackFader->setPeak_L( fOldPeak_L / fallOff );
	}
	if ( fNewPeak_R >= fOldPeak_R) {	// Right peak
		m_pPlaybackTrackFader->setPeak_R( fNewPeak_R );
	}
	else {
		m_pPlaybackTrackFader->setPeak_R( fOldPeak_R / fallOff );
	}
}
コード例 #2
0
ファイル: Mixer.cpp プロジェクト: draekko/hydrogen
void Mixer::updateMixer()
{
	Preferences *pPref = Preferences::get_instance();
	bool bShowPeaks = pPref->showInstrumentPeaks();

	Hydrogen *pEngine = Hydrogen::get_instance();
	Song *pSong = pEngine->getSong();
	InstrumentList *pInstrList = pSong->get_instrument_list();
	std::vector<DrumkitComponent*>* compoList = pSong->get_components();

	uint nSelectedInstr = pEngine->getSelectedInstrumentNumber();

	float fallOff = pPref->getMixerFalloffSpeed();

	uint nMuteClicked = 0;
	int nInstruments = pInstrList->size();
	int nCompo = compoList->size();
	for ( unsigned nInstr = 0; nInstr < MAX_INSTRUMENTS; ++nInstr ) {

		if ( nInstr >= nInstruments ) {	// unused instrument! let's hide and destroy the mixerline!
			if ( m_pMixerLine[ nInstr ] ) {
				delete m_pMixerLine[ nInstr ];
				m_pMixerLine[ nInstr ] = NULL;

				int newWidth = MIXER_STRIP_WIDTH * ( nInstruments + nCompo );
				if ( m_pFaderPanel->width() != newWidth ) {
					m_pFaderPanel->resize( newWidth, height() );
				}
			}
			continue;
		}
		else {
			if ( m_pMixerLine[ nInstr ] == NULL ) {
				// the mixerline doesn't exists..I'll create a new one!
				m_pMixerLine[ nInstr ] = createMixerLine( nInstr );
				m_pFaderHBox->insertWidget( nInstr, m_pMixerLine[ nInstr ] );

				int newWidth = MIXER_STRIP_WIDTH * ( nInstruments + nCompo );
				if ( m_pFaderPanel->width() != newWidth ) {
					m_pFaderPanel->resize( newWidth, height() );
				}
			}
			MixerLine *pLine = m_pMixerLine[ nInstr ];

			Instrument *pInstr = pInstrList->get( nInstr );
			assert( pInstr );

			float fNewPeak_L = pInstr->get_peak_l();
			pInstr->set_peak_l( 0.0f );	// reset instrument peak

			float fNewPeak_R = pInstr->get_peak_r();
			pInstr->set_peak_r( 0.0f );	// reset instrument peak

			float fNewVolume = pInstr->get_volume();
			bool bMuted = pInstr->is_muted();

			QString sName = pInstr->get_name();
			float fPan_L = pInstr->get_pan_l();
			float fPan_R = pInstr->get_pan_r();


			// fader
			float fOldPeak_L = pLine->getPeak_L();
			float fOldPeak_R = pLine->getPeak_R();

			if (!bShowPeaks) {
				fNewPeak_L = 0.0f;
				fNewPeak_R = 0.0f;
			}

			if ( fNewPeak_L >= fOldPeak_L) {	// LEFT peak
				pLine->setPeak_L( fNewPeak_L );
			}
			else {
				pLine->setPeak_L( fOldPeak_L / fallOff );
			}
			if ( fNewPeak_R >= fOldPeak_R) {	// Right peak
				pLine->setPeak_R( fNewPeak_R );
			}
			else {
				pLine->setPeak_R( fOldPeak_R / fallOff );
			}

			// fader position
			pLine->setVolume( fNewVolume );

			// mute
			if ( bMuted ) {
				nMuteClicked++;
			}
			pLine->setMuteClicked( bMuted );

			// instr name
			pLine->setName( sName );

			// pan
			float fPanValue = 0.0;
			if (fPan_R == 1.0) {
				fPanValue = 1.0 - (fPan_L / 2.0);
			}
			else {
				fPanValue = fPan_R / 2.0;
			}

			pLine->setPan( fPanValue );

			// activity
			if ( pLine->getActivity() > 0 ) {
				pLine->setActivity( m_pMixerLine[ nInstr ]->getActivity() - 30 );
				pLine->setPlayClicked( true );
			}
			else {
				pLine->setPlayClicked( false );
			}

			for (uint nFX = 0; nFX < MAX_FX; nFX++) {
				pLine->setFXLevel( nFX, pInstr->get_fx_level( nFX ) );
			}

			pLine->setSelected( nInstr == nSelectedInstr );

			pLine->updateMixerLine();
		}
	}

	for (std::vector<DrumkitComponent*>::iterator it = compoList->begin() ; it != compoList->end(); ++it) {
		DrumkitComponent* p_compo = *it;

		if( m_pComponentMixerLine.find(p_compo->get_id()) == m_pComponentMixerLine.end() ) {
			// the mixerline doesn't exists..I'll create a new one!
			m_pComponentMixerLine[ p_compo->get_id() ] = createComponentMixerLine( p_compo->get_id() );
			m_pFaderHBox->addWidget( m_pComponentMixerLine[ p_compo->get_id() ] );

			int newWidth = MIXER_STRIP_WIDTH * ( nInstruments + nCompo );
			if ( m_pFaderPanel->width() != newWidth ) {
				m_pFaderPanel->resize( newWidth, height() );
			}
		}

		ComponentMixerLine *pLine = m_pComponentMixerLine[ p_compo->get_id() ];

		float fNewPeak_L = p_compo->get_peak_l();
		p_compo->set_peak_l( 0.0f );	// reset instrument peak

		float fNewPeak_R = p_compo->get_peak_r();
		p_compo->set_peak_r( 0.0f );	// reset instrument peak

		float fNewVolume = p_compo->get_volume();
		bool bMuted = p_compo->is_muted();

		QString sName = p_compo->get_name();

		float fOldPeak_L = pLine->getPeak_L();
		float fOldPeak_R = pLine->getPeak_R();

		if (!bShowPeaks) {
			fNewPeak_L = 0.0f;
			fNewPeak_R = 0.0f;
		}

		if ( fNewPeak_L >= fOldPeak_L) {	// LEFT peak
			pLine->setPeak_L( fNewPeak_L );
		}
		else {
			pLine->setPeak_L( fOldPeak_L / fallOff );
		}
		if ( fNewPeak_R >= fOldPeak_R) {	// Right peak
			pLine->setPeak_R( fNewPeak_R );
		}
		else {
			pLine->setPeak_R( fOldPeak_R / fallOff );
		}

		// fader position
		pLine->setVolume( fNewVolume );

		// mute
		if ( bMuted ) {
			nMuteClicked++;
		}
		pLine->setMuteClicked( bMuted );

		// instr name
		pLine->setName( sName );

		pLine->updateMixerLine();
	}

	if( compoList->size() < m_pComponentMixerLine.size() ) {
		std::vector<int>* p_ids_to_delete = new std::vector<int>();
		for (std::map<int, ComponentMixerLine*>::iterator it=m_pComponentMixerLine.begin(); it!=m_pComponentMixerLine.end(); ++it) {

			bool p_foundExistingRelatedComponent = false;
			for ( std::vector<DrumkitComponent*>::iterator it2 = compoList->begin() ; it2 != compoList->end(); ++it2 ) {
				DrumkitComponent* p_compo = *it2;
				if( p_compo->get_id() == it->first ) {
					p_foundExistingRelatedComponent = true;
					break;
				}
			}
			if( !p_foundExistingRelatedComponent )
				p_ids_to_delete->push_back( it->first ) ;
		}

		for ( std::vector<int>::iterator it = p_ids_to_delete->begin() ; it != p_ids_to_delete->end(); ++it ) {
			int p_compoID = *it;
			delete m_pComponentMixerLine[p_compoID];
			m_pComponentMixerLine.erase( p_compoID );

			int newWidth = MIXER_STRIP_WIDTH * ( nInstruments + nCompo );
			if ( m_pFaderPanel->width() != newWidth ) {
				m_pFaderPanel->resize( newWidth, height() );
			}
		}
	}

	if (nMuteClicked == nInstruments - 1) {
		// find the not muted button
		for (uint i = 0; i < nInstruments; i++) {
			Instrument *instr = pInstrList->get(i);
			if (instr->is_muted() == false) {
				m_pMixerLine[i]->setSoloClicked(true);
				break;
			}
		}
	}
	else {
		for (uint i = 0; i < nInstruments; i++) {
			m_pMixerLine[i]->setSoloClicked(false);
		}
	}


	// update MasterPeak
	float oldPeak_L = m_pMasterLine->getPeak_L();
	float newPeak_L = pEngine->getMasterPeak_L();
	pEngine->setMasterPeak_L(0.0);
	float oldPeak_R = m_pMasterLine->getPeak_R();
	float newPeak_R = pEngine->getMasterPeak_R();
	pEngine->setMasterPeak_R(0.0);

	if (!bShowPeaks) {
		newPeak_L = 0.0;
		newPeak_R = 0.0;
	}

	if (newPeak_L >= oldPeak_L) {
		m_pMasterLine->setPeak_L( newPeak_L );
	}
	else {
		m_pMasterLine->setPeak_L( oldPeak_L / fallOff );
	}
	if (newPeak_R >= oldPeak_R) {
		m_pMasterLine->setPeak_R(newPeak_R);
	}
	else {
		m_pMasterLine->setPeak_R( oldPeak_R / fallOff );
	}




	// set master fader position
	float newVolume = pSong->get_volume();
	float oldVolume = m_pMasterLine->getVolume();
	if (oldVolume != newVolume) {
		m_pMasterLine->setVolume(newVolume);
	}
	m_pMasterLine->updateMixerLine();


#ifdef H2CORE_HAVE_LADSPA
	// LADSPA
	for (uint nFX = 0; nFX < MAX_FX; nFX++) {
		LadspaFX *pFX = Effects::get_instance()->getLadspaFX( nFX );
		if ( pFX ) {
			m_pLadspaFXLine[nFX]->setName( pFX->getPluginName() );
			float fNewPeak_L = 0.0;
			float fNewPeak_R = 0.0;

			float fOldPeak_L = 0.0;
			float fOldPeak_R = 0.0;
			m_pLadspaFXLine[nFX]->getPeaks( &fOldPeak_L, &fOldPeak_R );

			if (fNewPeak_L < fOldPeak_L)	fNewPeak_L = fOldPeak_L / fallOff;
			if (fNewPeak_R < fOldPeak_R)	fNewPeak_R = fOldPeak_R / fallOff;
			m_pLadspaFXLine[nFX]->setPeaks( fNewPeak_L, fNewPeak_R );
			m_pLadspaFXLine[nFX]->setFxActive( pFX->isEnabled() );
			m_pLadspaFXLine[nFX]->setVolume( pFX->getVolume() );
		}
		else {
			m_pLadspaFXLine[nFX]->setName( "No plugin" );
			m_pLadspaFXLine[nFX]->setFxActive( false );
			m_pLadspaFXLine[nFX]->setVolume( 0.0 );
		}
	}
	// ~LADSPA
#endif
}