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Diffstat (limited to 'src/midiio/include/MidiFile.h')
| -rw-r--r-- | src/midiio/include/MidiFile.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/midiio/include/MidiFile.h b/src/midiio/include/MidiFile.h new file mode 100644 index 0000000..10794d5 --- /dev/null +++ b/src/midiio/include/MidiFile.h @@ -0,0 +1,108 @@ +// +// Copyright 1999-2000 by Craig Stuart Sapp, All Rights Reserved. +// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu> +// Creation Date: Fri Nov 26 14:12:01 PST 1999 +// Last Modified: Fri Dec 2 13:26:44 PST 1999 +// Last Modified: Fri Nov 10 12:13:15 PST 2000 (added some more editing cap.) +// Last Modified: Thu Jan 10 10:03:39 PST 2002 (added allocateEvents()) +// Last Modified: Mon Jun 10 22:43:10 PDT 2002 (added clear()) +// Filename: ...sig/include/sigInfo/MidiFile.h +// Web Address: http://sig.sapp.org/include/sigInfo/MidiFile.h +// Syntax: C++ +// +// Description: A class which can read/write Standard MIDI files. +// MIDI data is stored by track in an array. This +// class is used for example in the MidiPerform class. +// + +#ifndef _MIDIfILE_H_INCLUDED +#define _MIDIfILE_H_INCLUDED + +#include "FileIO.h" +#include "Array.h" +#include "Collection.h" + +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned long ulong; + +#define TIME_STATE_DELTA 0 +#define TIME_STATE_ABSOLUTE 1 + +#define TRACK_STATE_SPLIT 0 +#define TRACK_STATE_JOINED 1 + + +class _MFEvent { + public: + _MFEvent (void); + _MFEvent (int command); + _MFEvent (int command, int param1); + _MFEvent (int command, int param1, int param2); + _MFEvent (int track, int command, int param1, int param2); + _MFEvent (int aTime, int aTrack, int command, int param1, int param2); + ~_MFEvent (); + int time; + int track; + Array<uchar> data; +}; + + + +class MidiFile { + public: + MidiFile (void); + MidiFile (char* aFile); + ~MidiFile (); + + void absoluteTime (void); + int addEvent (int aTrack, int aTime, + Array<uchar>& midiData); + int addTrack (void); + int addTrack (int count); + void allocateEvents (int track, int aSize); + void deltaTime (void); + void deleteTrack (int aTrack); + void erase (void); + void clear (void); + _MFEvent& getEvent (int aTrack, int anIndex); + int getTimeState (void); + int getTrackState (void); + int getTicksPerQuarterNote (void); + int getTrackCount (void); + int getNumTracks (void); + int getNumEvents (int aTrack); + void joinTracks (void); + void mergeTracks (int aTrack1, int aTrack2); + int read (char* aFile); + void setTicksPerQuarterNote (int ticks); + void sortTrack (Collection<_MFEvent>& trackData); + void sortTracks (void); + void splitTracks (void); + int write (const char* aFile); + + protected: + Collection<Collection<_MFEvent>*> events; // midi file events + int ticksPerQuarterNote; // time base of file + int trackCount; // # of tracks in file + int theTrackState; // joined or split + int theTimeState; // absolute or delta + char* readFileName; // read file name + + private: + void extractMidiData (FileIO& inputfile, Array<uchar>& array, + uchar& runningCommand); + ulong extractVlvTime (FileIO& inputfile); + ulong unpackVLV (uchar a, uchar b, uchar c, uchar d, uchar e); + void writeVLValue (long aValue, Array<uchar>& data); +}; + + +int eventcompare(const void* a, const void* b); +std::ostream& operator<<(std::ostream& out, MidiFile& aMidiFile); + +#endif /* _MIDIfILE_H_INCLUDED */ + + + +// md5sum: ff46e64698e2d9e88ebeef3efa9927d0 - MidiFile.h =css= 20030102 |