gzdoom/src/mus2midi.h
Randy Heit 2772786a7e - Added MUS header scan to mus2midi.
- Fixed buffer overflow when reading a MUS song from a compressed file.

SVN r2274 (trunk)
2010-04-07 02:02:53 +00:00

81 lines
3.1 KiB
C

/*
** mus2midi.h
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#ifndef __MUS2MIDI_H__
#define __MUS2MIDI_H__
#ifdef _MSC_VER
#pragma once
#endif
#include <stdio.h>
#include "doomtype.h"
#define MIDI_SYSEX ((BYTE)0xF0) // SysEx begin
#define MIDI_SYSEXEND ((BYTE)0xF7) // SysEx end
#define MIDI_META ((BYTE)0xFF) // Meta event begin
#define MIDI_META_TEMPO ((BYTE)0x51)
#define MIDI_META_EOT ((BYTE)0x2F) // End-of-track
#define MIDI_META_SSPEC ((BYTE)0x7F) // System-specific event
#define MIDI_NOTEOFF ((BYTE)0x80) // + note + velocity
#define MIDI_NOTEON ((BYTE)0x90) // + note + velocity
#define MIDI_POLYPRESS ((BYTE)0xA0) // + pressure (2 bytes)
#define MIDI_CTRLCHANGE ((BYTE)0xB0) // + ctrlr + value
#define MIDI_PRGMCHANGE ((BYTE)0xC0) // + new patch
#define MIDI_CHANPRESS ((BYTE)0xD0) // + pressure (1 byte)
#define MIDI_PITCHBEND ((BYTE)0xE0) // + pitch bend (2 bytes)
#define MUS_NOTEOFF ((BYTE)0x00)
#define MUS_NOTEON ((BYTE)0x10)
#define MUS_PITCHBEND ((BYTE)0x20)
#define MUS_SYSEVENT ((BYTE)0x30)
#define MUS_CTRLCHANGE ((BYTE)0x40)
#define MUS_SCOREEND ((BYTE)0x60)
typedef struct
{
DWORD Magic;
WORD SongLen;
WORD SongStart;
WORD NumChans;
WORD NumSecondaryChans;
WORD NumInstruments;
WORD Pad;
// WORD UsedInstruments[NumInstruments];
} MUSHeader;
bool ProduceMIDI (const BYTE *musBuf, int len, TArray<BYTE> &outFile);
bool ProduceMIDI (const BYTE *musBuf, int len, FILE *outFile);
#endif //__MUS2MIDI_H__