annotate sv/filter/RealTimeFilterFactory.h @ 79:afcf540ae3a2

add the real time filter stack to manage real time filters and their attributes

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*	Sound Access	
		EASAIER client application.	
		Silogic 2007. Laure Bajard. 
	
	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.  See the file    
	COPYING included with this distribution for more information.
*/

#ifndef _REAL_TIME_FILTER_FACTORY_H_
#define _REAL_TIME_FILTER_FACTORY_H_

#include "Filter.h"

#include <set>

class RealTimeFilterFactory
{
public:

	enum FilterType {
		TimeStretch,

		// Not-a-layer-type
		UnknownFilter = 255
    };

	RealTimeFilterFactory();
	virtual ~RealTimeFilterFactory();

	static RealTimeFilterFactory *getInstance();

	typedef std::set<FilterType> FilterTypeSet;
    FilterTypeSet getFilterTypes();

	QString getFilterLabel(FilterType type);
	FilterType getFilterType(QString strType);

	Filter * createFilter(FilterType type);

protected:

	static RealTimeFilterFactory *m_instance;
};

#endif