-//
-// midiitem.hh -- part of LilyPond
-//
-// copyright 1997 Jan Nieuwenhuizen <jan@digicash.com>
+/*
+ midi-item.hh -- declare Midi items
+
+ (c) 1997--2003 Jan Nieuwenhuizen <janneke@gnu.org>
+ */
#ifndef MIDI_ITEM_HH
#define MIDI_ITEM_HH
+
+#include "cons.hh"
#include "string.hh"
-#include "proto.hh"
+#include "lily-proto.hh"
+#include "moment.hh"
+#include "audio-item.hh"
+
+/**
+ Any piece of midi information.
+
+ Maybe use base classes for RIFF files?
+ */
+class Midi_item
+{
+public:
+ Midi_item ();
+ virtual ~Midi_item ();
+
+ /// factory
+ static Midi_item* get_midi (Audio_item* a);
+
+ static String i2varint_string (int i);
-struct Midi_item {
- /* *************** */
- static String i2varint_str( int i );
- virtual void output_midi( Midi_stream& midi_stream_r ) const;
- virtual String str() const = 0;
+ virtual String to_string () const = 0;
+
+ int channel_;
};
-struct Midi_key : public Midi_item {
- Midi_key( int accidentals_i, int minor_i );
-
- virtual String str() const;
-
- int accidentals_i_;
- int minor_i_;
+/**
+ 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;
};
-struct Midi_note : public Midi_item {
- /* *************** */
- int const c0_pitch_i_c_ = 60;
- Byte dynamic_byte_;
+/**
+ 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;
- /**
- Generate a note-event on a channel pitch.
+private:
+ String data_string_;
+ String footer_string_;
+ String header_string_;
+};
- @param #melreq_l# is the pitch.
- */
- Midi_note( Melodic_req* melreq_l, int channel_i, bool on_b );
+class Midi_duration : public Midi_item
+{
+public:
+ Midi_duration (Real seconds_f);
- virtual String str() const;
+ virtual String to_string () const;
+ Real seconds_;
+};
- int channel_i_;
- int on_b_;
- int pitch_i_;
+class Midi_header : public Midi_chunk
+{
+public:
+ Midi_header (int format_i, int tracks_i, int clocks_per_4_i);
};
-struct Midi_duration : public Midi_item {
- /* *************** */
- Midi_duration( Real seconds_f );
+/**
+ Change instrument event
+ */
+class Midi_instrument : public Midi_item
+{
+public:
+ Midi_instrument (Audio_instrument*);
- virtual String str() const;
+ virtual String to_string () const;
- Real seconds_f_;
+ Audio_instrument* audio_;
};
+
-struct Midi_chunk : Midi_item {
- /* *************** */
- Midi_chunk();
+class Midi_key : public Midi_item
+{
+public:
+ Midi_key (Audio_key*);
+
+ virtual String to_string () const;
- void add( String str );
- void set( String header_str, String data_str, String footer_str );
- virtual String str() const;
+ Audio_key* audio_;
+};
-private:
- String data_str_;
- String footer_str_;
- String header_str_;
+class Midi_time_signature : public Midi_item
+{
+public:
+ Midi_time_signature (Audio_time_signature*);
+
+ virtual String to_string () const;
+
+ Audio_time_signature* audio_;
+ int clocks_per_1_;
};
-struct Midi_header : Midi_chunk {
- /* *************** */
- Midi_header( int format_i, int tracks_i, int clocks_per_4_i );
+/**
+ Turn a note on.
+ */
+class Midi_note : public Midi_item
+{
+public:
+ Midi_note (Audio_note*);
+
+ Moment get_length () const;
+ int get_pitch () const;
+ virtual String to_string () const;
+
+ Audio_note* audio_;
+
+ static int const c0_pitch_i_ = 60;
+ Byte dynamic_byte_;
};
-struct Midi_text : Midi_item {
- /* *************** */
- enum Type {
- TEXT = 1, COPYRIGHT, TRACK_NAME, INSTRUMENT_NAME, LYRIC,
- MARKER, CUE_POINT
- };
- Midi_text( Midi_text::Type type, String text_str );
+/**
+ Turn a note off
+ */
+class Midi_note_off : public Midi_note
+{
+public:
+ Midi_note_off (Midi_note*);
- virtual String str() const;
+ virtual String to_string () const;
- Type type_;
- String text_str_;
+ Midi_note* on_;
+ Byte aftertouch_byte_;
};
-struct Midi_tempo : Midi_item {
- /* *************** */
- Midi_tempo( int per_minute_4_i );
+class Midi_text : public Midi_item
+{
+public:
+ enum Type {
+ TEXT = 1, COPYRIGHT, TRACK_NAME, INSTRUMENT_NAME, LYRIC,
+ MARKER, CUE_POINT
+ };
- virtual String str() const;
+ Midi_text (Audio_text*);
+
+ virtual String to_string () const;
- int per_minute_4_i_;
+ Audio_text* audio_;
};
-struct Midi_time : Midi_item {
- /* *************** */
- Midi_time( int num_i, int den_i, int clocks_per_1_i );
+class Midi_dynamic : public Midi_item
+{
+public:
+ Midi_dynamic (Audio_dynamic*);
+
+ virtual String to_string () const;
+
+ Audio_dynamic* audio_;
+};
- virtual String str() const;
+class Midi_piano_pedal : public Midi_item
+{
+public:
+ Midi_piano_pedal (Audio_piano_pedal*);
+
+ virtual String to_string () const;
- int num_i_;
- int den_i_;
- int clocks_per_1_i_;
+ Audio_piano_pedal* audio_;
};
-struct Midi_track : Midi_chunk {
- /* *************** */
- int number_i_;
- Midi_track( int number_i );
+class Midi_tempo : public Midi_item
+{
+public:
+ Midi_tempo (Audio_tempo*);
+
+ virtual String to_string () const;
- void add( int delta_time_i, String event );
-// void add( Moment delta_time_moment, Midi_item& mitem_r );
- void add( Moment delta_time_moment, Midi_item* mitem_l );
+ Audio_tempo* audio_;
};
-#endif // MIDI_ITEM_HH //
+class Midi_track : public Midi_chunk
+{
+public:
+ int number_;
+
+ /*
+ Compensate for starting grace notes.
+ */
+ Cons_list<Midi_event> event_p_list_;
+
+ Midi_track ();
+
+ void add (Moment delta_time_mom, Midi_item* midi);
+ virtual String data_string () const;
+};
+#endif // MIDI_ITEM_HH
projects / lilypond.git / blobdiff