WindowsMidiDriver.h

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/*
Copyright (C) 2003  The Pentagram 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef WINDOWSMIDIDRIVER_H_INCLUDED
#define WINDOWSMIDIDRIVER_H_INCLUDED

#if defined(WIN32) && !defined(UNDER_CE)
#define USE_WINDOWS_MIDI

#include "LowLevelMidiDriver.h"

// Slight hack here. Uncomment it to enable the ability to use
// both A and B devices on an SB Live to distribute the notes
//#define WIN32_USE_DUAL_MIDIDRIVERS

#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#include <windows.h>
#include <mmsystem.h>


class WindowsMidiDriver : public LowLevelMidiDriver
{
        signed int                      dev_num;
        HMIDIOUT                        midi_port;
#ifdef WIN32_USE_DUAL_MIDIDRIVERS
        HMIDIOUT                        midi_port2;
#endif

        // SysEx stuff. Borrowed from ScummVM
        MIDIHDR _streamHeader;
        uint8 *_streamBuffer;
        int             _streamBufferSize;
        HANDLE _streamEvent;

        const static MidiDriverDesc     desc;
        static MidiDriver *createInstance() {
                return new WindowsMidiDriver();
        }

        static bool                     doMCIError(MMRESULT res);

public:
        const static MidiDriverDesc* getDesc() { return &desc; }
        WindowsMidiDriver();

protected:
        virtual int                     open();
        virtual void            close();
        virtual void            send(uint32 message);
        virtual void            send_sysex(uint8 status, const uint8 *msg, uint16 length);
        virtual void            increaseThreadPriority();
        virtual void            yield();
};

#endif //WIN32

#endif //WINDOWSMIDIDRIVER_H_INCLUDED

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