00001 /* 00002 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 * 00019 * MIDIFileReader C++ classes 00020 * This code is part of the CLAM library, but also usable stand-alone. 00021 * Maarten de Boer <mdeboer@iua.upf.es> 00022 * 00023 */ 00024 #ifndef __MIDITempo__ 00025 #define __MIDITempo__ 00026 00027 namespace MIDI 00028 { 00029 00030 class Song; 00031 class Track; 00032 00033 class Tempo 00034 /* class to convert midi ticks to time in milliseconds, 00035 ** according to the tempo information in a certain track 00036 ** (typically the first) of a midi song 00037 */ 00038 { 00039 private: 00040 class TempoImpl* mImpl; // hide implementation 00041 public: 00042 Tempo(Song* song = 0,Track* track = 0); 00043 00044 ~Tempo(); 00045 00046 void Init(Song* song = 0,Track* track = 0); 00047 00048 Milliseconds TicksToTime(Ticks t); 00049 }; 00050 00051 } 00052 00053 #endif 00054