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/*
* Adplug - Replayer for many OPL2/OPL3 audio file formats.
* Copyright (C) 1999 - 2005 Simon Peter <dn.tlp@gmx.net>, et al.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* mdi.h - AdLib SMF (MDI) Player by Stas'M <binarymaster@mail.ru>
*
* Based on MIDIPLAY.C by Dale Glowinski, Ad Lib Inc.
*
* REFERENCES:
* http://www.shikadi.net/moddingwiki/MDI_Format
* http://www.vgmpf.com/Wiki/index.php?title=MDI
*/
#ifndef H_ADPLUG_MDIPLAYER
#define H_ADPLUG_MDIPLAYER
#include "player.h"
#include "adlib.h"
#define MIDI_CHUNK_SIZE 4 /* FOURCC size */
#define MIDI_HEAD_SIZE 6 /* MThd data size */
#define MIDI_MIN_SIZE MIDI_CHUNK_SIZE + sizeof(uint32_t) + MIDI_HEAD_SIZE + MIDI_CHUNK_SIZE + sizeof(uint32_t)
#define MIDI_DEF_TEMPO 500000
#define NR_CHANS 16
#define NOTE_OFF 0x80
#define NOTE_ON 0x90
#define AFTER_TOUCH 0xA0
#define CONTROL_CHANGE 0xB0
#define PROG_CHANGE 0xC0
#define CHANNEL_PRESSURE 0xD0
#define PITCH_BEND 0xE0
#define SYSEX_F0 0xf0
#define SYSEX_F7 0xf7
#define STOP_FC 0xfc
#define META 0xff
#define END_OF_TRACK 0x2f
#define TEMPO 0x51
#define SEQ_SPECIFIC 0x7f
#define META_SIGN_LEN 3
#define META_CODE_LEN 2
#define META_MIN_SIZE META_SIGN_LEN + META_CODE_LEN + 1
#define ADLIB_TIMBRE 1
#define ADLIB_RHYTHM 2
#define ADLIB_PITCH 3
class CmdiPlayer: public CPlayer
{
public:
static CPlayer *factory(Copl *newopl);
CmdiPlayer(Copl *newopl)
: CPlayer(newopl), drv(0), data(0)
{ }
~CmdiPlayer()
{
if(data) delete [] data;
if (drv) drv->~CadlibDriver();
};
bool load(const std::string &filename, const CFileProvider &fp);
bool update();
void rewind(int subsong);
float getrefresh()
{
return timer;
};
std::string gettype()
{
return std::string("AdLib MIDIPlay File");
}
private:
void SetTempo(uint32_t tempo);
uint32_t GetVarVal();
void executeCommand();
CadlibDriver *drv;
protected:
unsigned long pos, size;
bool songend;
float timer;
uint16_t division; /* division in PPQN */
uint8_t * data; /* MIDI data */
uint32_t counter; /* tick counter */
uint32_t ticks; /* ticks to wait for next event */
uint8_t status; /* running status byte */
uint8_t volume[MAX_VOICES]; /* actual volume of all voices */
};
#endif