00001 /* 00002 midifile.h: 00003 00004 Copyright (C) 2005 Istvan Varga 00005 00006 This file is part of Csound. 00007 00008 The Csound Library is free software; you can redistribute it 00009 and/or modify it under the terms of the GNU Lesser General Public 00010 License as published by the Free Software Foundation; either 00011 version 2.1 of the License, or (at your option) any later version. 00012 00013 Csound is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 GNU Lesser General Public License for more details. 00017 00018 You should have received a copy of the GNU Lesser General Public 00019 License along with Csound; if not, write to the Free Software 00020 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 00021 02111-1307 USA 00022 */ 00023 00024 #ifndef CSOUND_MIDIFILE_H 00025 #define CSOUND_MIDIFILE_H 00026 00027 #ifdef __cplusplus 00028 extern "C" { 00029 #endif 00030 00031 /* open MIDI file, read all tracks, and create event list */ 00032 00033 int csoundMIDIFileOpen(CSOUND *csound, const char *name); 00034 00035 /* read MIDI file event data at performace time */ 00036 00037 int csoundMIDIFileRead(CSOUND *csound, unsigned char *buf, int nBytes); 00038 00039 /* destroy MIDI file event list */ 00040 00041 int csoundMIDIFileClose(CSOUND *csound); 00042 00043 /* ------------------------------------------------------------------------ */ 00044 00045 typedef struct { 00046 OPDS h; 00047 MYFLT *kResult; 00048 } MIDITEMPO; 00049 00050 /* miditempo opcode: returns the current tempo of MIDI file */ 00051 00052 extern int midiTempoOpcode(CSOUND *csound, MIDITEMPO *p); 00053 00054 #ifdef __cplusplus 00055 } 00056 #endif 00057 00058 #endif /* CSOUND_MIDIFILE_H */ 00059