1 /* SpiralSynth 2 * Copyleft (C) 2000 David Griffiths <dave@pawfal.org> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 */ 18 19 #include <sys/types.h> 20 #include <stdio.h> 21 #include <fcntl.h> 22 #include <unistd.h> 23 #include <iostream> 24 #include <limits.h> 25 26 #ifndef MIDI 27 #define MIDI 28 29 class MidiEvent 30 { 31 public: 32 enum type{NONE,ON,OFF,PITCHBEND,PARAMETER}; 33 MidiEvent()34 MidiEvent() {m_Type=NONE;} MidiEvent(type t,int octave,int note,float v)35 MidiEvent(type t, int octave, int note, float v) 36 {m_Type=t; m_Octave=octave; m_Note=note; m_Volume=v;} 37 GetType()38 type GetType() {return m_Type;} GetVolume()39 float GetVolume() {return m_Volume;} GetOctave()40 int GetOctave() {return m_Octave;} GetNote()41 int GetNote() {return m_Note;} 42 private: 43 float m_Volume; 44 type m_Type; 45 int m_Octave; 46 int m_Note; 47 }; 48 49 class MidiDevice 50 { 51 public: 52 MidiDevice(); 53 ~MidiDevice(); 54 55 MidiEvent GetEvent(); 56 void CollectEvents(); 57 void Close(); 58 59 private: 60 void Init(); 61 int m_MidiFd; 62 int m_Pipefd[2]; 63 int m_ChildPID; 64 }; 65 66 #endif 67