/*
	native_midi:  Hardware Midi support for the SDL_mixer library
	Copyright (C) 2000	Florian 'Proff' Schulze

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Library General Public
	License as published by the Free Software Foundation; either
	version 2 of the License, or (at your option) any later version.

	This library 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
	Library General Public License for more details.

	You should have received a copy of the GNU Library General Public
	License along with this library; if not, write to the Free
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

	Florian 'Proff' Schulze
	florian.proff.schulze@gmx.net
*/


#ifndef _NATIVE_MIDI_H_
#define _NATIVE_MIDI_H_


#if defined(_MSC_VER)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <windowsx.h>
#include <mmsystem.h>

#pragma comment (lib, "winmm.lib")	   /* link with Windows MultiMedia lib */

#define MIDI_TRACKS 32

typedef unsigned char byte;
typedef struct MIDI 				   /* a midi file */
{
   int divisions;					   /* number of ticks per quarter note */
   struct {
	  unsigned char *data;			   /* MIDI message stream */
	  int len;						   /* length of the track data */
   } track[MIDI_TRACKS];
   int loaded;
} MIDI;

struct _NativeMidiSong {
  MIDI mididata;
  int MusicLoaded;
  int MusicPlaying;
  MIDIEVENT *MidiEvents[MIDI_TRACKS];
  MIDIHDR MidiStreamHdr;
  MIDIEVENT *NewEvents;
  int NewSize;
  int NewPos;
  int BytesRecorded[MIDI_TRACKS];
  int BufferSize[MIDI_TRACKS];
  int CurrentTrack;
  int CurrentPos;
};
#endif

typedef struct _NativeMidiSong NativeMidiSong;

int 			native_midi_init	 ();
NativeMidiSong *native_midi_loadsong ( char *midifile );
void			native_midi_freesong ( NativeMidiSong *song );
void			native_midi_start	 ( NativeMidiSong *song );
void			native_midi_stop	 ();
int 			native_midi_active	 ();
void			native_midi_setvolume( int volume);
char		   *native_midi_error	 ();

#endif /* _NATIVE_MIDI_H_ */