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/***************************************************************************
* Copyright (C) 2002,2003 Nick Lamb <njl195@zepler.org.uk> *
* Copyright (C) 2005 Giacomo Lozito <city_hunter@users.sf.net> *
* Copyright (C) 2009 by Ilya Kotov <forkotov02@hotmail.ru> *
* *
* 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; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef LADSPAHOST_H
#define LADSPAHOST_H
#include <QMutex>
#include <QList>
#include <QObject>
#include <qmmp/qmmp.h>
#include "ladspa.h"
class QWidget;
#define MAX_SAMPLES 8192
#define MAX_KNOBS 64
/**
@author Ilya Kotov <forkotov02@hotmail.ru>
*/
class LADSPAPlugin
{
public:
QString name;
QString fileName;
long id;
long unique_id;
bool stereo;
};
class LADSPAControl
{
public:
enum Type
{
BUTTON = 0,
SLIDER
};
double min;
double max;
double step;
LADSPA_Data *value;
bool type;
QString name;
};
class LADSPAEffect
{
public:
void *library;
QString fileName;
bool stereo;
const LADSPA_Descriptor *descriptor;
LADSPA_Handle handle; /* left or mono */
LADSPA_Handle handle2; /* right stereo */
LADSPA_Data knobs[MAX_KNOBS];
QList <LADSPAControl*> controls;
};
class LADSPAHost : public QObject
{
Q_OBJECT
public:
LADSPAHost(QObject *parent);
virtual ~LADSPAHost();
int applyEffect(qint16 *d, int length);
void configure(quint32 freq, int chan, Qmmp::AudioFormat format);
QList <LADSPAPlugin *> plugins();
QList <LADSPAEffect *> effects();
LADSPAEffect *addPlugin(LADSPAPlugin * plugin);
void unload(LADSPAEffect *instance);
static LADSPAHost* instance();
private:
void bootPlugin(LADSPAEffect *instance);
void findAllPlugins();
void findPlugins(const QString &path);
LADSPAEffect *load(const QString &path, long num);
void portAssign(LADSPAEffect *instance);
void initialize(LADSPAEffect *instance);
QList <LADSPAPlugin *> m_plugins;
QList <LADSPAEffect *> m_effects;
LADSPA_Data m_left[MAX_SAMPLES], m_right[MAX_SAMPLES], m_trash[MAX_SAMPLES];
static LADSPAHost *m_instance;
int m_chan, m_prec;
quint32 m_freq;
};
#endif
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