LadspaEffect::LadspaEffect( Model * _parent,
const Descriptor::SubPluginFeatures::Key * _key ) :
Effect( &ladspaeffect_plugin_descriptor, _parent, _key ),
m_controls( NULL ),
m_maxSampleRate( 0 ),
m_key( LadspaSubPluginFeatures::subPluginKeyToLadspaKey( _key ) )
{
Ladspa2LMMS * manager = Engine::getLADSPAManager();
if( manager->getDescription( m_key ) == NULL )
{
if( !Engine::suppressMessages() )
{
QMessageBox::warning( 0, tr( "Effect" ),
tr( "Unknown LADSPA plugin %1 requested." ).
arg( m_key.second ),
QMessageBox::Ok, QMessageBox::NoButton );
}
setOkay( false );
return;
}
setDisplayName( manager->getShortName( m_key ) );
pluginInstantiation();
connect( Engine::mixer(), SIGNAL( sampleRateChanged() ),
this, SLOT( changeSampleRate() ) );
}
void LadspaSubPluginFeatures::listSubPluginKeys(
const Plugin::Descriptor * _desc, KeyList & _kl ) const
{
Ladspa2LMMS * lm = Engine::getLADSPAManager();
l_sortable_plugin_t plugins;
switch( m_type )
{
case Plugin::Instrument:
plugins = lm->getInstruments();
break;
case Plugin::Effect:
plugins = lm->getValidEffects();
//plugins += lm->getInvalidEffects();
break;
case Plugin::Tool:
plugins = lm->getAnalysisTools();
break;
case Plugin::Other:
plugins = lm->getOthers();
break;
default:
break;
}
for( l_sortable_plugin_t::const_iterator it = plugins.begin();
it != plugins.end(); ++it )
{
if( lm->getDescription( ( *it ).second )->inputChannels <=
Engine::mixer()->audioDev()->channels() )
{
_kl.push_back( ladspaKeyToSubPluginKey( _desc, ( *it ).first, ( *it ).second ) );
}
}
}
void LadspaSubPluginFeatures::fillDescriptionWidget( QWidget * _parent,
const Key * _key ) const
{
const ladspa_key_t & lkey = subPluginKeyToLadspaKey( _key );
Ladspa2LMMS * lm = Engine::getLADSPAManager();
QLabel * label = new QLabel( _parent );
label->setText( QWidget::tr( "Name: " ) + lm->getName( lkey ) );
QLabel* fileInfo = new QLabel( _parent );
fileInfo->setText( QWidget::tr( "File: %1" ).arg( lkey.first ) );
QWidget * maker = new QWidget( _parent );
QHBoxLayout * l = new QHBoxLayout( maker );
l->setMargin( 0 );
l->setSpacing( 0 );
QLabel * maker_label = new QLabel( maker );
maker_label->setText( QWidget::tr( "Maker: " ) );
maker_label->setAlignment( Qt::AlignTop );
QLabel * maker_content = new QLabel( maker );
maker_content->setText( lm->getMaker( lkey ) );
maker_content->setWordWrap( true );
l->addWidget( maker_label );
l->addWidget( maker_content, 1 );
QWidget * copyright = new QWidget( _parent );
l = new QHBoxLayout( copyright );
l->setMargin( 0 );
l->setSpacing( 0 );
copyright->setMinimumWidth( _parent->minimumWidth() );
QLabel * copyright_label = new QLabel( copyright );
copyright_label->setText( QWidget::tr( "Copyright: " ) );
copyright_label->setAlignment( Qt::AlignTop );
QLabel * copyright_content = new QLabel( copyright );
copyright_content->setText( lm->getCopyright( lkey ) );
copyright_content->setWordWrap( true );
l->addWidget( copyright_label );
l->addWidget( copyright_content, 1 );
QLabel * requiresRealTime = new QLabel( _parent );
requiresRealTime->setText( QWidget::tr( "Requires Real Time: " ) +
( lm->hasRealTimeDependency( lkey ) ?
QWidget::tr( "Yes" ) :
QWidget::tr( "No" ) ) );
QLabel * realTimeCapable = new QLabel( _parent );
realTimeCapable->setText( QWidget::tr( "Real Time Capable: " ) +
( lm->isRealTimeCapable( lkey ) ?
QWidget::tr( "Yes" ) :
QWidget::tr( "No" ) ) );
QLabel * inplaceBroken = new QLabel( _parent );
inplaceBroken->setText( QWidget::tr( "In Place Broken: " ) +
( lm->isInplaceBroken( lkey ) ?
QWidget::tr( "Yes" ) :
QWidget::tr( "No" ) ) );
QLabel * channelsIn = new QLabel( _parent );
channelsIn->setText( QWidget::tr( "Channels In: " ) +
QString::number( lm->getDescription( lkey )->inputChannels ) );
QLabel * channelsOut = new QLabel( _parent );
channelsOut->setText( QWidget::tr( "Channels Out: " ) +
QString::number( lm->getDescription( lkey )->outputChannels ) );
}
void LadspaEffect::pluginInstantiation()
{
m_maxSampleRate = maxSamplerate( displayName() );
Ladspa2LMMS * manager = Engine::getLADSPAManager();
// Calculate how many processing units are needed.
const ch_cnt_t lmms_chnls = Engine::mixer()->audioDev()->channels();
int effect_channels = manager->getDescription( m_key )->inputChannels;
setProcessorCount( lmms_chnls / effect_channels );
// get inPlaceBroken property
m_inPlaceBroken = manager->isInplaceBroken( m_key );
// Categorize the ports, and create the buffers.
m_portCount = manager->getPortCount( m_key );
int inputch = 0;
int outputch = 0;
LADSPA_Data * inbuf [2];
inbuf[0] = NULL;
inbuf[1] = NULL;
for( ch_cnt_t proc = 0; proc < processorCount(); proc++ )
{
multi_proc_t ports;
for( int port = 0; port < m_portCount; port++ )
{
port_desc_t * p = new PortDescription;
p->name = manager->getPortName( m_key, port );
p->proc = proc;
p->port_id = port;
p->control = NULL;
p->buffer = NULL;
// Determine the port's category.
if( manager->isPortAudio( m_key, port ) )
{
if( p->name.toUpper().contains( "IN" ) &&
manager->isPortInput( m_key, port ) )
{
p->rate = CHANNEL_IN;
p->buffer = MM_ALLOC( LADSPA_Data, Engine::mixer()->framesPerPeriod() );
inbuf[ inputch ] = p->buffer;
inputch++;
}
else if( p->name.toUpper().contains( "OUT" ) &&
manager->isPortOutput( m_key, port ) )
{
p->rate = CHANNEL_OUT;
if( ! m_inPlaceBroken && inbuf[ outputch ] )
{
p->buffer = inbuf[ outputch ];
outputch++;
}
else
{
p->buffer = MM_ALLOC( LADSPA_Data, Engine::mixer()->framesPerPeriod() );
m_inPlaceBroken = true;
}
}
else if( manager->isPortInput( m_key, port ) )
{
p->rate = AUDIO_RATE_INPUT;
p->buffer = MM_ALLOC( LADSPA_Data, Engine::mixer()->framesPerPeriod() );
}
else
{
p->rate = AUDIO_RATE_OUTPUT;
p->buffer = MM_ALLOC( LADSPA_Data, Engine::mixer()->framesPerPeriod() );
}
}
else
{
p->buffer = MM_ALLOC( LADSPA_Data, 1 );
if( manager->isPortInput( m_key, port ) )
{
p->rate = CONTROL_RATE_INPUT;
}
else
{
p->rate = CONTROL_RATE_OUTPUT;
}
}
p->scale = 1.0f;
if( manager->isPortToggled( m_key, port ) )
{
p->data_type = TOGGLED;
}
else if( manager->isInteger( m_key, port ) )
{
p->data_type = INTEGER;
}
else if( p->name.toUpper().contains( "(SECONDS)" ) )
{
p->data_type = TIME;
p->scale = 1000.0f;
int loc = p->name.toUpper().indexOf(
"(SECONDS)" );
p->name.replace( loc, 9, "(ms)" );
}
else if( p->name.toUpper().contains( "(S)" ) )
{
p->data_type = TIME;
p->scale = 1000.0f;
int loc = p->name.toUpper().indexOf( "(S)" );
p->name.replace( loc, 3, "(ms)" );
}
else if( p->name.toUpper().contains( "(MS)" ) )
{
p->data_type = TIME;
int loc = p->name.toUpper().indexOf( "(MS)" );
p->name.replace( loc, 4, "(ms)" );
}
else
{
p->data_type = FLOATING;
}
// Get the range and default values.
p->max = manager->getUpperBound( m_key, port );
if( p->max == NOHINT )
{
p->max = p->name.toUpper() == "GAIN" ? 10.0f :
1.0f;
}
if( manager->areHintsSampleRateDependent(
m_key, port ) )
{
p->max *= m_maxSampleRate;
}
p->min = manager->getLowerBound( m_key, port );
if( p->min == NOHINT )
{
p->min = 0.0f;
}
if( manager->areHintsSampleRateDependent(
m_key, port ) )
{
p->min *= m_maxSampleRate;
}
p->def = manager->getDefaultSetting( m_key, port );
if( p->def == NOHINT )
{
if( p->data_type != TOGGLED )
{
p->def = ( p->min + p->max ) / 2.0f;
}
else
{
p->def = 1.0f;
}
}
else if( manager->areHintsSampleRateDependent( m_key, port ) )
{
p->def *= m_maxSampleRate;
}
p->max *= p->scale;
p->min *= p->scale;
p->def *= p->scale;
p->value = p->def;
p->suggests_logscale = manager->isLogarithmic( m_key, port );
ports.append( p );
// For convenience, keep a separate list of the ports that are used
// to control the processors.
if( p->rate == AUDIO_RATE_INPUT ||
p->rate == CONTROL_RATE_INPUT )
{
p->control_id = m_portControls.count();
m_portControls.append( p );
}
}
m_ports.append( ports );
}
// Instantiate the processing units.
m_descriptor = manager->getDescriptor( m_key );
if( m_descriptor == NULL )
{
QMessageBox::warning( 0, "Effect",
"Can't get LADSPA descriptor function: " + m_key.second,
QMessageBox::Ok, QMessageBox::NoButton );
setOkay( false );
return;
}
if( m_descriptor->run == NULL )
{
QMessageBox::warning( 0, "Effect",
"Plugin has no processor: " + m_key.second,
QMessageBox::Ok, QMessageBox::NoButton );
setDontRun( true );
}
for( ch_cnt_t proc = 0; proc < processorCount(); proc++ )
{
LADSPA_Handle effect = manager->instantiate( m_key,
m_maxSampleRate );
if( effect == NULL )
{
QMessageBox::warning( 0, "Effect",
"Can't get LADSPA instance: " + m_key.second,
QMessageBox::Ok, QMessageBox::NoButton );
setOkay( false );
return;
}
m_handles.append( effect );
}
// Connect the ports.
for( ch_cnt_t proc = 0; proc < processorCount(); proc++ )
{
for( int port = 0; port < m_portCount; port++ )
{
port_desc_t * pp = m_ports.at( proc ).at( port );
if( !manager->connectPort( m_key,
m_handles[proc],
port,
pp->buffer ) )
{
QMessageBox::warning( 0, "Effect",
"Failed to connect port: " + m_key.second,
QMessageBox::Ok, QMessageBox::NoButton );
setDontRun( true );
return;
}
}
}
// Activate the processing units.
for( ch_cnt_t proc = 0; proc < processorCount(); proc++ )
{
manager->activate( m_key, m_handles[proc] );
}
m_controls = new LadspaControls( this );
}