void FxMixer::clearChannel(fx_ch_t index)
{
FxChannel * ch = m_fxChannels[index];
ch->m_fxChain.clear();
ch->m_volumeModel.setValue( 1.0f );
ch->m_muteModel.setValue( false );
ch->m_soloModel.setValue( false );
ch->m_name = ( index == 0 ) ? tr( "Master" ) : tr( "FX %1" ).arg( index );
ch->m_volumeModel.setDisplayName( ch->m_name );
// send only to master
if( index > 0)
{
// delete existing sends
while( ! ch->m_sends.isEmpty() )
{
deleteChannelSend( ch->m_sends.first() );
}
// add send to master
createChannelSend( index, 0 );
}
// delete receives
while( ! ch->m_receives.isEmpty() )
{
deleteChannelSend( ch->m_receives.first() );
}
}
// make sure we have at least num channels
void FxMixer::allocateChannelsTo(int num)
{
while( num > m_fxChannels.size() - 1 )
{
createChannel();
// delete the default send to master
deleteChannelSend( m_fxChannels.size()-1, 0 );
}
}
FxMixer::~FxMixer()
{
while( ! m_fxRoutes.isEmpty() )
{
deleteChannelSend( m_fxRoutes.first() );
}
for( int i = 0; i < m_fxChannels.size(); ++i )
{
delete m_fxChannels[i];
}
}
FxMixer::~FxMixer()
{
while( ! m_fxRoutes.isEmpty() )
{
deleteChannelSend( m_fxRoutes.first() );
}
while( m_fxChannels.size() )
{
FxChannel * f = m_fxChannels[m_fxChannels.size() - 1];
m_fxChannels.pop_back();
delete f;
}
}
// delete the connection made by createChannelSend
void FxMixer::deleteChannelSend( fx_ch_t fromChannel, fx_ch_t toChannel )
{
// delete the send
FxChannel * from = m_fxChannels[fromChannel];
FxChannel * to = m_fxChannels[toChannel];
// find and delete the send entry
for( int i = 0; i < from->m_sends.size(); ++i )
{
if( from->m_sends[i]->receiver() == to )
{
deleteChannelSend( from->m_sends[i] );
break;
}
}
}
void FxMixer::deleteChannel( int index )
{
m_fxChannels[index]->m_lock.lock();
FxChannel * ch = m_fxChannels[index];
// go through every instrument and adjust for the channel index change
TrackContainer::TrackList tracks;
tracks += Engine::getSong()->tracks();
tracks += Engine::getBBTrackContainer()->tracks();
for( Track* t : tracks )
{
if( t->type() == Track::InstrumentTrack )
{
InstrumentTrack* inst = dynamic_cast<InstrumentTrack *>( t );
int val = inst->effectChannelModel()->value(0);
if( val == index )
{
// we are deleting this track's fx send
// send to master
inst->effectChannelModel()->setValue(0);
}
else if( val > index )
{
// subtract 1 to make up for the missing channel
inst->effectChannelModel()->setValue(val-1);
}
}
}
// delete all of this channel's sends and receives
while( ! ch->m_sends.isEmpty() )
{
deleteChannelSend( ch->m_sends.first() );
}
while( ! ch->m_receives.isEmpty() )
{
deleteChannelSend( ch->m_receives.first() );
}
// actually delete the channel
delete m_fxChannels[index];
m_fxChannels.remove(index);
for( int i = index; i < m_fxChannels.size(); ++i )
{
validateChannelName( i, i + 1 );
// set correct channel index
m_fxChannels[i]->m_channelIndex = i;
// now check all routes and update names of the send models
for( FxRoute * r : m_fxChannels[i]->m_sends )
{
r->updateName();
}
for( FxRoute * r : m_fxChannels[i]->m_receives )
{
r->updateName();
}
}
}