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/***************************************************************************
* Copyright (C) 2007 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 EFFECT_H
#define EFFECT_H
#include <QObject>
#include <QList>
#include <QStringList>
/**
@author Ilya Kotov <forkotov02@hotmail.ru>
*/
class EffectFactory;
class Effect : public QObject
{
Q_OBJECT
public:
Effect(QObject *parent = 0);
virtual ~Effect();
/*/*!
* Adds effect to the input data pointer \b in_data with the size \b size.
* Result is stored in the output data \b out_data.
* Return value is the size of the output data. Output data size should not be more then \b size.
* Subclass should implement this function.
*/
virtual const ulong process(char *in_data, const ulong size, char **out_data) = 0;
//virtual const ulong process(char *in_data, const ulong size, char *out_data) = 0;
//virtual bool process(char *in_data, char *out_data, const ulong maxsize, ulong &rbytes, ulong &wbytes) = 0;
virtual void configure(ulong freq, int chan, int res);
/*!
* Returns frequency.
* This function should be reimplemented if subclass changes default samplerate.
*/
virtual const ulong frequency();
/*!
* Returns channel number.
* This function should be reimplemented if subclass changes default channel number.
*/
virtual const int channels();
/*!
* Returns resolution.
* This function should be reimplemented if subclass changes default resolution.
*/
virtual const int resolution();
static QList<Effect*> create(QObject *parent);
static QList<EffectFactory*> *effectFactories();
static QStringList effectFiles();
static void setEnabled(EffectFactory* factory, bool enable = TRUE);
static bool isEnabled(EffectFactory* factory);
private:
ulong m_freq;
int m_chan;
int m_res;
};
#endif
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