lbajardsilogic@79: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@79: 
lbajardsilogic@79: /*	Sound Access	
lbajardsilogic@79: 		EASAIER client application.	
lbajardsilogic@79: 		Silogic 2007. Laure Bajard. 
lbajardsilogic@79: 	
lbajardsilogic@79: 	This program is free software; you can redistribute it and/or    
lbajardsilogic@79: 	modify it under the terms of the GNU General Public License as    
lbajardsilogic@79: 	published by the Free Software Foundation; either version 2 of the    
lbajardsilogic@79: 	License, or (at your option) any later version.  See the file    
lbajardsilogic@79: 	COPYING included with this distribution for more information.
lbajardsilogic@79: */
lbajardsilogic@79: 
lbajardsilogic@79: #ifndef _FILTER_H_
lbajardsilogic@79: #define _FILTER_H_
lbajardsilogic@79: 
lbajardsilogic@203: #include <QXmlAttributes>
lbajardsilogic@203: 
lbajardsilogic@79: #include "base/PropertyContainer.h"
lbajardsilogic@79: 
lbajardsilogic@223: class Filter : public QObject //: public PropertyContainer
lbajardsilogic@79: {
lbajardsilogic@79: 	Q_OBJECT
lbajardsilogic@79: 
lbajardsilogic@79: public:
lbajardsilogic@79: 	Filter();
lbajardsilogic@79: 	virtual ~Filter();
lbajardsilogic@79: 
lbajardsilogic@223: 	//virtual QString getPropertyLabel(const PropertyName &) const {return "";}
lbajardsilogic@223: 	//virtual QString getPropertyContainerName() const {return "";}
lbajardsilogic@223:     //virtual QString getPropertyContainerIconName() const {return "";}
lbajardsilogic@79: 
benoitrigolleau@88: 
lbajardsilogic@79: 	/**
lbajardsilogic@79:      * Put (and possibly process) a given number of input samples.
lbajardsilogic@79:      * Number should usually equal the value returned from
lbajardsilogic@79:      * getRequiredInputSamples().
lbajardsilogic@79:      */
lbajardsilogic@79:     virtual void putInput(float **input, size_t samples) = 0;
lbajardsilogic@79: 
lbajardsilogic@79: 	/**
lbajardsilogic@79:      * Get some processed samples.
lbajardsilogic@79:      */
lbajardsilogic@79:     virtual void getOutput(float **output, size_t samples) = 0;
lbajardsilogic@79: 
lbajardsilogic@82: 	virtual size_t getRequiredInputSamples(size_t outputSamplesNeeded) = 0;
lbajardsilogic@79: 
lbajardsilogic@84: 	inline void setSourceChannelCount(size_t channel){m_sourceChannelCount = channel;}
lbajardsilogic@84: 	inline size_t getSourceChannelCount(){return m_sourceChannelCount;}
lbajardsilogic@203: 	bool isFilterEnabled() const;
benoitrigolleau@88: 
lbajardsilogic@181: 	/*allow or not to add another filter of this type*/
lbajardsilogic@181: 	virtual bool allowMultiple() = 0;
lbajardsilogic@181: 
lbajardsilogic@203: 	QString toEasaierXmlString(QString indent, QString extraAttributes) const;
lbajardsilogic@203: 
lbajardsilogic@203: 	void setProperties(const QXmlAttributes &attributes);
lbajardsilogic@203: 
lbajardsilogic@223: 	std::vector<PropertyContainer*> getFilterCollection(){ return m_filterCollection;}
lbajardsilogic@223: 
benoitrigolleau@88: signals :
lbajardsilogic@203: 	void filterEnableChange(bool);
lbajardsilogic@224: 	void propertyContainerRemoved(QString);
lbajardsilogic@203: 
lbajardsilogic@225: 	void propertiesChanged(PropertyContainer *);
lbajardsilogic@84: 
lbajardsilogic@79: protected:
lbajardsilogic@79: 
lbajardsilogic@84: 	size_t		m_sourceChannelCount; 
benoitrigolleau@88: 	bool filterEnabled;
benoitrigolleau@88: 
benoitrigolleau@88: public slots :
benoitrigolleau@88: 	void setFilterEnabled(bool b);
benoitrigolleau@88: 	void setFilterEnabled(int b);
lbajardsilogic@79: 
lbajardsilogic@223: protected:
lbajardsilogic@223: 	std::vector<PropertyContainer*> m_filterCollection;
lbajardsilogic@79: };
lbajardsilogic@79: 
lbajardsilogic@79: #endif