ControlFade.hxx

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/*
 * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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 _ControlFade_
#define _ControlFade_

#include "DataTypes.hxx"
#include "Processing.hxx"
#include "ProcessingConfig.hxx"
#include "InControl.hxx"
#include "OutControl.hxx"

namespace CLAM
{

class ControlFadeConfig : public ProcessingConfig
{
        public:
                DYNAMIC_TYPE_USING_INTERFACE (ControlFadeConfig, 1, ProcessingConfig);
                DYN_ATTRIBUTE ( 0, public, TData, FadeTimeInMs);

        private:
                void DefaultInit();
};

class ControlFade : public Processing
{
        ControlFadeConfig _config;
        FloatInControl _inControlValue;
        FloatInControl _inControlDelay;
        FloatOutControl _outControlValue;
        double _bufferTime;
        double _counterTime;
        float _initValue;
        float _lastValue;
        float _delayTime;
        void InControlValueCallback(const TControlData & value);
        void InControlDelayCallback(const TControlData & value);

        public:

                const char *GetClassName() const { return "ControlFade"; }

                ControlFade();
                ControlFade( const ControlFadeConfig& cfg );

                bool ConcreteConfigure( const ProcessingConfig& cfg ); 

                const ProcessingConfig& GetConfig() const { return _config; }

                bool Do();
};

}

#endif