EnvelopeModulator.hxx

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/*
 * Copyright (c) 2001-2004 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 _EnvelopeModulator_
#define _EnvelopeModulator_

#include "Processing.hxx"
#include "InPort.hxx"
#include "AudioOutPort.hxx"
#include "AudioInPort.hxx"
#include "Envelope.hxx"
#include "Audio.hxx"

namespace CLAM
{

        class EnvModulatorConfig: public ProcessingConfig
        {
        public:
                DYNAMIC_TYPE_USING_INTERFACE (EnvModulatorConfig, 3, ProcessingConfig);
                DYN_ATTRIBUTE (0, public, TData, SampleRate);
                DYN_ATTRIBUTE (1, public, int,  FrameSize);
                DYN_ATTRIBUTE (2, public, bool, EnvelopeCompression);
        protected:

                void DefaultInit(void);
        };
        
        class EnvelopeModulator: public Processing
        {
        public:

                InPort<Envelope> InputEnvelope;
                InPort<Audio> InputAudio;
                OutPort<Audio> Output;

        private:
                EnvModulatorConfig mConfig;
                TTime mDeltaX;
                bool mCompress;

                TData Compress(TData);

                bool ConcreteConfigure(const ProcessingConfig& c);

        public:
                EnvelopeModulator(const EnvModulatorConfig& c = EnvModulatorConfig());

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

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

                void Attach(Envelope& env, Audio& inp, Audio& out);

                bool Do(void);

                bool Do(const Envelope& env, const Audio& inp, Audio& out);

        };
        
}

#endif