MIDIDevice.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 __MIDIDevice__
#define __MIDIDevice__


#include <string>
#include <vector>
#include "Err.hxx"
#include "MIDIEnums.hxx"
#include "InControl.hxx"

namespace CLAM{

class MIDIIn;
class MIDIOut;
class MIDIClocker;
class MIDIManager;

class MIDIDevice
{
        friend class MIDIIn;
        friend class MIDIOut;
        friend class MIDIOutControl;
        friend class MIDIClocker;
        friend class MIDIManager;
protected:
        struct TInfo
        {
                std::string mName;
                std::string mArch;
                TInfo() { Reset();}

                void Reset()
                {
                        mName=mArch="";
                }
        };

        MIDIIn* target[8][16][128];

        std::vector<MIDIIn*> mInputs;
        std::vector<MIDIOut*> mOutputs;

        std::string mName;

        unsigned char mLastStatus;
        int mIndex;
        int mLength;
        unsigned char mData[256];

        MIDIDevice(const std::string& name)
        {
                mName = name;
                mLastStatus = 0;
                mIndex = 0;
                mLength = 0;
                mMIDIManager = 0;
        }
        
        virtual ~MIDIDevice() { };

        void Start(void);

        void Stop(void);
        
        virtual void ConcreteStart(void) throw(Err) = 0;

        virtual void ConcreteStop(void) throw(Err) = 0;

        void GetInfo(TInfo&);

        virtual void SetClock(TControlData val) { }

        virtual void Read(void) throw(Err) = 0;

        virtual void Write(unsigned char* msg,int size) throw(Err) = 0;

protected:
        bool Register(MIDIManager* mm,MIDIIn& in);
        bool Register(MIDIManager* mm,MIDIOut& out);
        void Unregister(MIDIIn& in);
        void Unregister(MIDIOut& out);

        bool Register(MIDIManager* mm,MIDIClocker& in);
        void Unregister(MIDIClocker& in);

        int GetMessageLength(unsigned char byte);

        void HandleRawByte(unsigned char byte);

private:
        MIDIManager* mMIDIManager;
        MIDIManager& _MIDIManager(void);
        void _SetMIDIManager(MIDIManager* mm);

        void SetTarget(
                MIDI::Message msg,
                unsigned char chn,unsigned char firstData,
                MIDIIn* inp);
};

};//CLAM

#endif