1 /* 2 * Author: Harry van Haaren 2013 3 * harryhaaren@gmail.com 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program 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 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef LUPPP_METRONOME_H 20 #define LUPPP_METRONOME_H 21 22 #include <cmath> 23 #include <iostream> 24 25 #include "buffers.hxx" 26 27 #include "observer/time.hxx" 28 29 using namespace std; 30 31 class Metronome : public TimeObserver 32 { 33 public: 34 Metronome(); 35 ~Metronome(); 36 37 void setActive(bool a); 38 39 void bar(); 40 void beat(); 41 void setFpb(double f); 42 43 void setVolume( float v ); 44 45 void process(int nframes, Buffers* buffers); 46 47 private: 48 double fpb; 49 bool playBar; 50 bool active; 51 float vol; 52 53 int playPoint, endPoint; 54 float* barSample; 55 float* beatSample; 56 57 }; 58 59 #endif // LUPPP_METRONOME_H 60