include/midi.h

/*
 *  Copyright (C) 2002-2020  The DOSBox Team
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */


#ifndef DOSBOX_MIDI_H
#define DOSBOX_MIDI_H

#ifndef DOSBOX_PROGRAMS_H
#include "programs.h"
#endif

class MidiHandler {
public:
        MidiHandler();
        virtual bool Open(const char * /*conf*/) { return true; };
        virtual void Close(void) {};
        virtual void PlayMsg(Bit8u * /*msg*/) {};
        virtual void PlaySysex(Bit8u * /*sysex*/,Bitu /*len*/) {};
        virtual const char * GetName(void) { return "none"; };
        virtual void ListAll(Program * /*base*/) {};
        virtual ~MidiHandler() { };
        MidiHandler * next;
};


#define SYSEX_SIZE 8192
struct DB_Midi {
        Bitu status;
        Bitu cmd_len;
        Bitu cmd_pos;
    Bit8u cmd_buf[8] = {};
    Bit8u rt_buf[8] = {};
        struct midi_state_sysex_t {
        Bit8u buf[SYSEX_SIZE] = {};
                Bitu used;
                Bitu delay;
                Bit32u start;

                midi_state_sysex_t() : used(0), delay(0), start(0) { }
        } sysex;
        bool available;
        MidiHandler * handler;

        DB_Midi() : status(0x00), cmd_len(0), cmd_pos(0), available(false), handler(NULL) { }
};

extern DB_Midi midi;

#endif