diff options
author | Robert Jonsson <spamatica@gmail.com> | 2009-12-27 11:30:35 +0000 |
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committer | Robert Jonsson <spamatica@gmail.com> | 2009-12-27 11:30:35 +0000 |
commit | b703eab295330e6f81564fbb39a10a1a2fdd2f54 (patch) | |
tree | e46b5c9a6bc22fd661c15d1d2123f5bf631cef80 /muse_qt4_evolution/synti/zynaddsubfx/Seq/MIDIFile.h | |
parent | 5d5fa0fdf913907edbc3d2d29a7548f0cb658c94 (diff) |
moved old qt4 branch
Diffstat (limited to 'muse_qt4_evolution/synti/zynaddsubfx/Seq/MIDIFile.h')
-rw-r--r-- | muse_qt4_evolution/synti/zynaddsubfx/Seq/MIDIFile.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Seq/MIDIFile.h b/muse_qt4_evolution/synti/zynaddsubfx/Seq/MIDIFile.h new file mode 100644 index 00000000..c88f679c --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/Seq/MIDIFile.h @@ -0,0 +1,90 @@ +/* + ZynAddSubFX - a software synthesizer + + MIDIFile.h - MIDI file loader + Copyright (C) 2003-2005 Nasca Octavian Paul + Author: Nasca Octavian Paul + + This program is free software; you can redistribute it and/or modify + it under the terms of version 2 of the GNU General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License (version 2) for more details. + + You should have received a copy of the GNU General Public License (version 2) + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef MIDIFILE_H +#define MIDIFILE_H + +#include "../globals.h" +#include "MIDIEvents.h" + +class MIDIFile{ + public: + MIDIFile(); + ~MIDIFile(); + + //returns -1 if there is an error, otherwise 0 + int loadfile(char *filename); + + //returns -1 if there is an error, otherwise 0 + int parsemidifile(MIDIEvents *me_); + + private: + MIDIEvents *me; + + unsigned char *midifile; + int midifilesize,midifilek; + bool midieof; + + //returns -1 if there is an error, otherwise 0 + int parsetrack(int ntrack); + + void parsenoteoff(char ntrack,char chan,unsigned int dt); + void parsenoteon(char ntrack,char chan,unsigned int dt); + void parsecontrolchange(char ntrack,char chan,unsigned int dt); + void parsepitchwheel(char ntrack,char chan, unsigned int dt); + void parsemetaevent(unsigned char mtype,unsigned char mlength); + + void add_dt(char ntrack, unsigned int dt); + + void clearmidifile(); + + //convert the delta-time to internal format + unsigned int convertdt(unsigned int dt); + + /* Low Level MIDIfile functions */ + + //get a byte from the midifile + unsigned char getbyte(); + + //peek the current byte from the midifile + unsigned char peekbyte(); + + //get a set of 4 bytes from the midifile + unsigned int getint32(); + + //get a word of 2 bytes from the midifile + unsigned short int getint16(); + + //read a variable length quantity + unsigned int getvarint32(); + + //skip some bytes + void skipnbytes(int n); + + struct { + double tick;//how many seconds one tick has + + }data; + +}; + +#endif |