1 /* 2 * Adplug - Replayer for many OPL2/OPL3 audio file formats. 3 * Copyright (C) 1999 - 2007 Simon Peter <dn.tlp@gmx.net>, et al. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * 19 * jbm.h - JBM Player by Dennis Lindroos <lindroos@nls.fi> 20 */ 21 22 #ifndef H_ADPLUG_JBMPLAYER 23 #define H_ADPLUG_JBMPLAYER 24 25 #include "player.h" 26 27 class CjbmPlayer: public CPlayer 28 { 29 public: 30 static CPlayer *factory(Copl *newopl); 31 CjbmPlayer(Copl * newopl)32 CjbmPlayer(Copl *newopl) : CPlayer(newopl), m(0) 33 { } ~CjbmPlayer()34 ~CjbmPlayer() 35 { delete [] m; } 36 37 bool load(const char *filename, const CFileProvider &fp); 38 bool update(); 39 void rewind(int subsong); 40 getrefresh()41 float getrefresh() 42 { return timer; } 43 gettype()44 const char * gettype() 45 { 46 return flags&1 ? "JBM Adlib Music [rhythm mode]" : 47 "JBM Adlib Music"; 48 } getauthor()49 const char * getauthor() 50 { return "Johannes Bjerregaard"; } 51 52 protected: 53 54 unsigned char *m; 55 float timer; 56 unsigned short flags, voicemask; 57 unsigned short seqtable, seqcount; 58 unsigned short instable, inscount; 59 unsigned short *sequences; 60 unsigned char bdreg; 61 62 typedef struct { 63 unsigned short trkpos, trkstart, seqpos; 64 unsigned char seqno, note; 65 short vol; 66 short delay; 67 short instr; 68 unsigned char frq[2]; 69 unsigned char ivol, dummy; 70 } JBMVoice; 71 72 JBMVoice voice[11]; 73 74 private: 75 //void calc_opl_frequency(JBMVoice *); 76 void set_opl_instrument(int, JBMVoice *); 77 void opl_noteonoff(int, JBMVoice *, bool); 78 }; 79 80 #endif 81