// Emacs style mode select   -*- C++ -*- 
//--------------------------------------------------------------------------
//
// $Id: mmus2mid.h 76 2005-09-06 21:06:45Z fraggle $
//
// Copyright(C) 1993-1996 Id Software, Inc.
//  Copyright (C) 1999 by
//  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
//  Copyright (C) 1999-2000 by
//  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
//
// Copyright(C) 2005 Simon Howard
//
// 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.
//
// $Log$
// Revision 1.2  2005/09/06 21:06:45  fraggle
// Newer versions of mmus2mid.c,h from prboom
//
// Revision 1.1  2005/09/05 22:50:56  fraggle
// Add mmus2mid code from prboom.  Use 'void *' for music handles.  Pass
// length of data when registering music.
//

#if !defined( MMUS2MID_H )
#define MMUS2MID_H

// error codes

typedef enum
{
  MUSDATACOR,    // MUS data corrupt
  TOOMCHAN,      // Too many channels
  MEMALLOC,      // Memory allocation error
  MUSDATAMT,     // MUS file empty
  BADMUSCTL,     // MUS event 5 or 7 found
  BADSYSEVT,     // MUS system event not in 10-14 range
  BADCTLCHG,     // MUS control change larger than 9
  TRACKOVF,      // MIDI track exceeds allocation
  BADMIDHDR,     // bad midi header detected
} error_code_t;

// some names for integers of various sizes, all unsigned
typedef unsigned char UBYTE;  // a one-byte int
typedef unsigned short UWORD; // a two-byte int
// proff: changed from unsigned int to unsigned long to avoid warning
typedef unsigned long ULONG;   // a four-byte int (assumes int 4 bytes)

#ifndef MSDOS /* proff: This is from allegro.h */
#define MIDI_TRACKS           32

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];
} MIDI;
#endif /* !MSDOS */

extern int mmus2mid(const UBYTE *mus,MIDI *mid, UWORD division, int nocomp);
extern void free_mididata(MIDI *mid);
extern int MIDIToMidi(MIDI *mididata,UBYTE **mid,int *midlen);
extern int MidiToMIDI(UBYTE *mid,MIDI *mididata);

#endif