/*
midi-item.hh -- declare Midi items
- (c) 1997--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2009 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#ifndef MIDI_ITEM_HH
#include "audio-item.hh"
#include "std-vector.hh"
+string int2midi_varint_string (int i);
+
/**
Any piece of midi information.
virtual ~Midi_item ();
virtual char const *name () const;
- /// factory
static Midi_item *get_midi (Audio_item *a);
- static string i2varint_string (int i);
virtual string to_string () const = 0;
};
int channel_;
DECLARE_CLASSNAME(Midi_channel_item);
Midi_channel_item ();
- virtual const char *name () const { return "Midi_channel_item"; }
- virtual ~Midi_channel_item ();
-};
-
-/**
- timed MIDI event
-*/
-class Midi_event
-{
-public:
- Midi_event (Moment delta_mom, Midi_item *midi);
-
- Moment delta_mom_;
- Midi_item *midi_;
- string to_string () const;
-};
-
-/**
- variable sized MIDI data
-*/
-class Midi_chunk : public Midi_item
-{
-public:
- void set (string header_string, string data_string, string footer_string);
- virtual string to_string () const;
- virtual string data_string () const;
- DECLARE_CLASSNAME(Midi_chunk);
-
-private:
- string data_string_;
- string footer_string_;
- string header_string_;
};
class Midi_duration : public Midi_item
Real seconds_;
};
-class Midi_header : public Midi_chunk
-{
-public:
- DECLARE_CLASSNAME(Midi_header);
-
- Midi_header (int format_i, int tracks_i, int clocks_per_4_i);
-};
/**
Change instrument event
int clocks_per_1_;
};
-/**
- Turn a note on.
-*/
class Midi_note : public Midi_channel_item
{
public:
Midi_note (Audio_note *);
DECLARE_CLASSNAME(Midi_note);
- Moment get_length () const;
- int get_pitch () const;
+ int get_semitone_pitch () const;
int get_fine_tuning () const;
virtual string to_string () const;
Byte dynamic_byte_;
};
-/**
- Turn a note off
-*/
class Midi_note_off : public Midi_note
{
public:
Audio_tempo *audio_;
};
-class Midi_track : public Midi_chunk
-{
-public:
- int number_;
- DECLARE_CLASSNAME(Midi_track);
- /*
- Compensate for starting grace notes.
- */
- vector<Midi_event*> events_;
-
- Midi_track ();
- ~Midi_track ();
-
- void add (Moment delta_time_mom, Midi_item *midi);
- virtual string data_string () const;
-};
#endif // MIDI_ITEM_HH