MIDIDispatcher.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 __MIDIDISPATCHER__
#define __MIDIDISPATCHER__

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

#include <algorithm>

namespace CLAM
{

        class MIDIDispatcherConfig: public ProcessingConfig
        {
        public:
                DYNAMIC_TYPE_USING_INTERFACE (MIDIDispatcherConfig, 2, ProcessingConfig);
                DYN_ATTRIBUTE ( 0, public, int, NumberOfInControls );
                DYN_ATTRIBUTE ( 1, public, int, NumberOfVoices );

        protected:
                void DefaultInit(void);
        };

        class MIDIDispatcher : public Processing
        {

                std::vector< FloatInControl* > mInputControls;
                std::vector< FloatOutControl* > mOutputControls;

                void CreateControls();
                void RemoveControls();

        private:
                struct VoiceStatus
                {
                public:
                                int  mNote;
                                int      mVelocity;
                                int  mId;
                };

                MIDIDispatcherConfig       mConfig;
                FloatInControl             mStateIn;
                FloatInControl             mNoteIn;
                FloatInControl             mVelocityIn;
                int                        mNInControls;
                int                        mNVoices;
                TControlData               mVelocity;
                TControlData               mNote;
                std::list< VoiceStatus >   mVoiceStatusList;
        
        protected:

                void UpdateState( TControlData availableInstr );


                void UpdateVel( TControlData value )
                {
                        mVelocity = value;
                }


                void UpdateNote( TControlData value )
                {
                        mNote = value;
                        Dispatch();
                }

                void Dispatch();

        public:

                MIDIDispatcher( const MIDIDispatcherConfig& cfg = MIDIDispatcherConfig());

                bool ModifiesPortsAndControlsAtConfiguration() { return true; }

                virtual ~MIDIDispatcher(){  RemoveControls(); }

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

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

                bool ConcreteConfigure( const ProcessingConfig& c );

                bool Do() { return true; }

        };
}

#endif