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/*
* Adplug - Replayer for many OPL2/OPL3 audio file formats.
* Copyright (C) 1999 - 2007 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
*
* player.h - Replayer base class, by Simon Peter <dn.tlp@gmx.net>
*/
#ifndef H_ADPLUG_PLAYER
#define H_ADPLUG_PLAYER
#include <string>
#include "fprovide.h"
#include "opl.h"
#include "database.h"
class CPlayer
{
public:
CPlayer(Copl *newopl);
virtual ~CPlayer();
/***** Operational methods *****/
void seek(unsigned long ms);
virtual bool load(const std::string &filename, // loads file
const CFileProvider &fp) = 0;
virtual bool update() = 0; // executes replay code for 1 tick
virtual void rewind(int subsong = -1) = 0; // rewinds to specified subsong
virtual float getrefresh() = 0; // returns needed timer refresh rate
/***** Informational methods *****/
unsigned long songlength(int subsong = -1);
virtual std::string gettype() = 0; // returns file type
virtual std::string gettitle() // returns song title
{ return std::string(); }
virtual std::string getauthor() // returns song author name
{ return std::string(); }
virtual std::string getdesc() // returns song description
{ return std::string(); }
virtual unsigned int getpatterns() // returns number of patterns
{ return 0; }
virtual unsigned int getpattern() // returns currently playing pattern
{ return 0; }
virtual unsigned int getorders() // returns size of orderlist
{ return 0; }
virtual unsigned int getorder() // returns currently playing song position
{ return 0; }
virtual unsigned int getrow() // returns currently playing row
{ return 0; }
virtual unsigned int getspeed() // returns current song speed
{ return 0; }
virtual unsigned int getsubsongs() // returns number of subsongs
{ return 1; }
virtual unsigned int getsubsong() // returns current subsong
{ return 0; }
virtual unsigned int getinstruments() // returns number of instruments
{ return 0; }
virtual std::string getinstrument(unsigned int n) // returns n-th instrument name
{ return std::string(); }
protected:
Copl *opl; // our OPL chip
CAdPlugDatabase *db; // AdPlug Database
static const unsigned short note_table[12]; // standard adlib note table
static const unsigned char op_table[9]; // the 9 operators as expected by the OPL
};
#endif
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