mirror/lmms
1
0
Fork 0
mirror of https://github.com/LMMS/lmms.git synced 2026-03-12 11:07:13 -04:00
Code Issues Packages Projects Releases Wiki Activity
Files
598bbcd1f72d84ffd3da0cdd429a8b0cd5d21f15
lmms/src/core/ladspa_manager.cpp
Tobias Doerffel 166701f9f3 sed: s/( void )/(), s/FALSE/false/, s/TRUE/true 
Replaced remaining occurences of old constants and superfluous "void"
on empty argument list of functions.
2009-08-24 23:25:26 +02:00

989 lines
22 KiB
C++
Raw Blame History

/*
* ladspa_manager.cpp - a class to manage loading and instantiation
* of ladspa plugins
*
* Copyright (c) 2005-2008 Danny McRae <khjklujn@netscape.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QLibrary>
#include <math.h>
#include "config_mgr.h"
#include "ladspa_manager.h"
ladspaManager::ladspaManager()
{
QStringList ladspaDirectories = QString( getenv( "LADSPA_PATH" ) ).
split( ',' );
ladspaDirectories += configManager::inst()->ladspaDir().split( ',' );
ladspaDirectories.push_back( configManager::inst()->pluginDir() + "ladspa" );
#ifndef LMMS_BUILD_WIN32
ladspaDirectories.push_back( QString( LIB_DIR ) + "ladspa" );
ladspaDirectories.push_back( "/usr/lib/lmms/ladspa" );
ladspaDirectories.push_back( "/usr/local/lib/lmms/ladspa" );
ladspaDirectories.push_back( "/usr/lib/ladspa" );
ladspaDirectories.push_back( "/usr/local/lib/ladspa" );
#endif
for( QStringList::iterator it = ladspaDirectories.begin();
it != ladspaDirectories.end(); ++it )
{
QDir directory( ( *it ) );
QFileInfoList list = directory.entryInfoList();
for( QFileInfoList::iterator file = list.begin();
file != list.end(); ++file )
{
const QFileInfo & f = *file;
if( !f.isFile() ||
#ifdef LMMS_BUILD_WIN32
f.fileName().right( 3 ).toLower() != "dll"
#else
f.fileName().right( 2 ).toLower() != "so"
#endif
)
{
continue;
}
QLibrary plugin_lib( f.absoluteFilePath() );
if( plugin_lib.load() == true )
{
LADSPA_Descriptor_Function descriptorFunction =
( LADSPA_Descriptor_Function ) plugin_lib.resolve(
"ladspa_descriptor" );
if( descriptorFunction != NULL )
{
addPlugins( descriptorFunction,
f.fileName() );
}
}
}
}
l_ladspa_key_t keys = m_ladspaManagerMap.keys();
for( l_ladspa_key_t::iterator it = keys.begin();
it != keys.end(); it++ )
{
m_sortedPlugins.append( qMakePair( getName( *it ), *it ) );
}
qSort( m_sortedPlugins );
}
ladspaManager::~ladspaManager()
{
for( ladspaManagerMapType::iterator it = m_ladspaManagerMap.begin();
it != m_ladspaManagerMap.end(); ++it )
{
delete it.value();
}
}
ladspaManagerDescription * ladspaManager::getDescription(
const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
return( m_ladspaManagerMap[_plugin] );
}
else
{
return( NULL );
}
}
void ladspaManager::addPlugins(
LADSPA_Descriptor_Function _descriptor_func,
const QString & _file )
{
const LADSPA_Descriptor * descriptor;
for( long pluginIndex = 0;
( descriptor = _descriptor_func( pluginIndex ) ) != NULL;
++pluginIndex )
{
ladspa_key_t key( _file, QString( descriptor->Label ) );
if( m_ladspaManagerMap.contains( key ) )
{
continue;
}
ladspaManagerDescription * plugIn =
new ladspaManagerDescription;
plugIn->descriptorFunction = _descriptor_func;
plugIn->index = pluginIndex;
plugIn->inputChannels = getPluginInputs( descriptor );
plugIn->outputChannels = getPluginOutputs( descriptor );
if( plugIn->inputChannels == 0 && plugIn->outputChannels > 0 )
{
plugIn->type = SOURCE;
}
else if( plugIn->inputChannels > 0 &&
plugIn->outputChannels > 0 )
{
plugIn->type = TRANSFER;
}
else if( plugIn->inputChannels > 0 &&
plugIn->outputChannels == 0 )
{
plugIn->type = SINK;
}
else
{
plugIn->type = OTHER;
}
m_ladspaManagerMap[key] = plugIn;
}
}
Uint16 ladspaManager::getPluginInputs(
const LADSPA_Descriptor * _descriptor )
{
Uint16 inputs = 0;
for( Uint16 port = 0; port < _descriptor->PortCount; port++ )
{
if( LADSPA_IS_PORT_INPUT(
_descriptor->PortDescriptors[port] ) &&
LADSPA_IS_PORT_AUDIO(
_descriptor->PortDescriptors[port] ) )
{
QString name = QString(
_descriptor->PortNames[port] );
if( name.toUpper().contains( "IN" ) )
{
inputs++;
}
}
}
return inputs;
}
Uint16 ladspaManager::getPluginOutputs(
const LADSPA_Descriptor * _descriptor )
{
Uint16 outputs = 0;
for( Uint16 port = 0; port < _descriptor->PortCount; port++ )
{
if( LADSPA_IS_PORT_OUTPUT(
_descriptor->PortDescriptors[port] ) &&
LADSPA_IS_PORT_AUDIO(
_descriptor->PortDescriptors[port] ) )
{
QString name = QString(
_descriptor->PortNames[port] );
if( name.toUpper().contains( "OUT" ) )
{
outputs++;
}
}
}
return outputs;
}
l_sortable_plugin_t ladspaManager::getSortedPlugins()
{
return( m_sortedPlugins );
}
QString ladspaManager::getLabel( const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( QString( descriptor->Label ) );
}
else
{
return( QString( "" ) );
}
}
bool ladspaManager::hasRealTimeDependency(
const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_REALTIME( descriptor->Properties ) );
}
else
{
return( false );
}
}
bool ladspaManager::isInplaceBroken( const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_INPLACE_BROKEN( descriptor->Properties ) );
}
else
{
return( false );
}
}
bool ladspaManager::isRealTimeCapable(
const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_HARD_RT_CAPABLE( descriptor->Properties ) );
}
else
{
return( false );
}
}
QString ladspaManager::getName( const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( QString( descriptor->Name ) );
}
else
{
return( QString( "" ) );
}
}
QString ladspaManager::getMaker( const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( QString( descriptor->Maker ) );
}
else
{
return( QString( "" ) );
}
}
QString ladspaManager::getCopyright( const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( QString( descriptor->Copyright ) );
}
else
{
return( QString( "" ) );
}
}
Uint32 ladspaManager::getPortCount( const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( descriptor->PortCount );
}
else
{
return( 0 );
}
}
bool ladspaManager::isPortInput( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_PORT_INPUT
( descriptor->PortDescriptors[_port] ) );
}
else
{
return( false );
}
}
bool ladspaManager::isPortOutput( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_PORT_OUTPUT
( descriptor->PortDescriptors[_port] ) );
}
else
{
return( false );
}
}
bool ladspaManager::isPortAudio( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_PORT_AUDIO
( descriptor->PortDescriptors[_port] ) );
}
else
{
return( false );
}
}
bool ladspaManager::isPortControl( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( LADSPA_IS_PORT_CONTROL
( descriptor->PortDescriptors[_port] ) );
}
else
{
return( false );
}
}
bool ladspaManager::areHintsSampleRateDependent(
const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
return( LADSPA_IS_HINT_SAMPLE_RATE ( hintDescriptor ) );
}
else
{
return( false );
}
}
float ladspaManager::getLowerBound( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
if( LADSPA_IS_HINT_BOUNDED_BELOW( hintDescriptor ) )
{
return( descriptor->PortRangeHints[_port].LowerBound );
}
else
{
return( NOHINT );
}
}
else
{
return( NOHINT );
}
}
float ladspaManager::getUpperBound( const ladspa_key_t & _plugin, Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
if( LADSPA_IS_HINT_BOUNDED_ABOVE( hintDescriptor ) )
{
return( descriptor->PortRangeHints[_port].UpperBound );
}
else
{
return( NOHINT );
}
}
else
{
return( NOHINT );
}
}
bool ladspaManager::isPortToggled( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
return( LADSPA_IS_HINT_TOGGLED( hintDescriptor ) );
}
else
{
return( false );
}
}
float ladspaManager::getDefaultSetting( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
switch( hintDescriptor & LADSPA_HINT_DEFAULT_MASK )
{
case LADSPA_HINT_DEFAULT_NONE:
return( NOHINT );
case LADSPA_HINT_DEFAULT_MINIMUM:
return( descriptor->PortRangeHints[_port].
LowerBound );
case LADSPA_HINT_DEFAULT_LOW:
if( LADSPA_IS_HINT_LOGARITHMIC
( hintDescriptor ) )
{
return( exp( log( descriptor->PortRangeHints[_port].LowerBound )
* 0.75
+ log( descriptor->PortRangeHints[_port].UpperBound )
* 0.25 ) );
}
else
{
return( descriptor->PortRangeHints[_port].LowerBound
* 0.75
+ descriptor->PortRangeHints[_port].UpperBound
* 0.25 );
}
case LADSPA_HINT_DEFAULT_MIDDLE:
if( LADSPA_IS_HINT_LOGARITHMIC
( hintDescriptor ) )
{
return( sqrt( descriptor->PortRangeHints[_port].LowerBound
* descriptor->PortRangeHints[_port].UpperBound ) );
}
else
{
return( 0.5 * ( descriptor->PortRangeHints[_port].LowerBound
+ descriptor->PortRangeHints[_port].UpperBound ) );
}
case LADSPA_HINT_DEFAULT_HIGH:
if( LADSPA_IS_HINT_LOGARITHMIC
( hintDescriptor ) )
{
return( exp( log( descriptor->PortRangeHints[_port].LowerBound )
* 0.25
+ log( descriptor->PortRangeHints[_port].UpperBound )
* 0.75 ) );
}
else
{
return( descriptor->PortRangeHints[_port].LowerBound
* 0.25
+ descriptor->PortRangeHints[_port].UpperBound
* 0.75 );
}
case LADSPA_HINT_DEFAULT_MAXIMUM:
return( descriptor->PortRangeHints[_port].UpperBound );
case LADSPA_HINT_DEFAULT_0:
return( 0.0 );
case LADSPA_HINT_DEFAULT_1:
return( 1.0 );
case LADSPA_HINT_DEFAULT_100:
return( 100.0 );
case LADSPA_HINT_DEFAULT_440:
return( 440.0 );
default:
return( NOHINT );
}
}
else
{
return( NOHINT );
}
}
bool ladspaManager::isLogarithmic( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
return( LADSPA_IS_HINT_LOGARITHMIC( hintDescriptor ) );
}
else
{
return( false );
}
}
bool ladspaManager::isInteger( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
LADSPA_PortRangeHintDescriptor hintDescriptor =
descriptor->PortRangeHints[_port].HintDescriptor;
return( LADSPA_IS_HINT_INTEGER( hintDescriptor ) );
}
else
{
return( false );
}
}
QString ladspaManager::getPortName( const ladspa_key_t & _plugin,
Uint32 _port )
{
if( m_ladspaManagerMap.contains( _plugin ) &&
_port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( QString( descriptor->PortNames[_port] ) );
}
else
{
return( QString( "" ) );
}
}
const void * ladspaManager::getImplementationData(
const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( descriptor->ImplementationData );
}
else
{
return( NULL );
}
}
const LADSPA_Descriptor * ladspaManager::getDescriptor(
const ladspa_key_t & _plugin )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( descriptor );
}
else
{
return( NULL );
}
}
LADSPA_Handle ladspaManager::instantiate(
const ladspa_key_t & _plugin,
Uint32 _sample_rate )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
return( ( descriptor->instantiate )
( descriptor, _sample_rate ) );
}
else
{
return( NULL );
}
}
bool ladspaManager::connectPort( const ladspa_key_t & _plugin,
LADSPA_Handle _instance,
Uint32 _port,
LADSPA_Data * _data_location )
{
if( m_ladspaManagerMap.contains( _plugin )
&& _port < getPortCount( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->connect_port != NULL )
{
( descriptor->connect_port )
( _instance, _port, _data_location );
return( true );
}
}
return( false );
}
bool ladspaManager::activate( const ladspa_key_t & _plugin,
LADSPA_Handle _instance )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->activate != NULL )
{
( descriptor->activate ) ( _instance );
return( true );
}
}
return( false );
}
bool ladspaManager::run( const ladspa_key_t & _plugin,
LADSPA_Handle _instance,
Uint32 _sample_count )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->run != NULL )
{
( descriptor->run ) ( _instance, _sample_count );
return( true );
}
}
return( false );
}
bool ladspaManager::runAdding( const ladspa_key_t & _plugin,
LADSPA_Handle _instance,
Uint32 _sample_count )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->run_adding != NULL &&
descriptor->set_run_adding_gain != NULL )
{
( descriptor->run_adding ) ( _instance, _sample_count );
return( true );
}
}
return( false );
}
bool ladspaManager::setRunAddingGain( const ladspa_key_t & _plugin,
LADSPA_Handle _instance,
LADSPA_Data _gain )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->run_adding != NULL &&
descriptor->set_run_adding_gain != NULL )
{
( descriptor->set_run_adding_gain )
( _instance, _gain );
return( true );
}
}
return( false );
}
bool ladspaManager::deactivate( const ladspa_key_t & _plugin,
LADSPA_Handle _instance )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->deactivate != NULL )
{
( descriptor->deactivate ) ( _instance );
return( true );
}
}
return( false );
}
bool ladspaManager::cleanup( const ladspa_key_t & _plugin,
LADSPA_Handle _instance )
{
if( m_ladspaManagerMap.contains( _plugin ) )
{
LADSPA_Descriptor_Function descriptorFunction =
m_ladspaManagerMap[_plugin]->descriptorFunction;
const LADSPA_Descriptor * descriptor =
descriptorFunction(
m_ladspaManagerMap[_plugin]->index );
if( descriptor->cleanup != NULL )
{
( descriptor->cleanup ) ( _instance );
return( true );
}
}
return( false );
}
Reference in New Issue View Git Blame Copy Permalink