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
}
