/*
midi-item.hh -- declare Midi items
- (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
+ (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#ifndef MIDI_ITEM_HH
#define MIDI_ITEM_HH
+#include "cons.hh"
#include "string.hh"
#include "lily-proto.hh"
+#include "proto.hh"
+#include "moment.hh"
/**
Any piece of midi information.
Maybe use base classes for RIFF files?
*/
-struct Midi_item {
- Midi_item( Audio_item* audio_item_l );
- static String i2varint_str( int i );
- void output( Midi_stream* midi_stream_l ) const;
- virtual String str() const = 0;
+class Midi_item
+{
+public:
+ Midi_item ();
+ virtual ~Midi_item ();
- Audio_item* audio_item_l_;
- int channel_i_;
+ /// factory
+ static Midi_item* midi_p (Audio_item* a);
-private:
- Midi_item( Midi_item const& );
- Midi_item& operator =( Midi_item const& );
+ static String i2varint_str (int i);
+
+ virtual String str () const = 0;
+
+ int channel_i_;
};
-struct Midi_key : public Midi_item {
- Midi_key( Audio_item* audio_item_l );
-
- virtual String str() const;
+/**
+ timed MIDI event
+ */
+class Midi_event
+{
+public:
+ Midi_event (Moment delta_mom, Midi_item* midi_l);
+
+ Moment delta_mom_;
+ Midi_item* midi_p_;
+ String str () const;
};
/**
- Change instrument event
+ variable sized MIDI data
*/
-struct Midi_instrument : public Midi_item {
- Midi_instrument( int channel_i, String instrument_str );
+class Midi_chunk : public Midi_item
+{
+public:
+ void set (String header_str, String data_str, String footer_str);
+ virtual String str () const;
+ virtual String data_str () const;
- virtual String str() const;
- String instrument_str_;
+private:
+ String data_str_;
+ String footer_str_;
+ String header_str_;
};
-
-struct Midi_note : public Midi_item {
- /**
- Generate a note-event on a channel.
- @param #melreq_l# is the pitch.
- */
- Midi_note( Audio_item* audio_item_l );
+class Midi_duration : public Midi_item
+{
+public:
+ Midi_duration (Real seconds_f);
- virtual String str() const;
+ virtual String str () const;
+ Real seconds_f_;
+};
- /* *************** */
- int const c0_pitch_i_c_ = 60;
- bool on_b_;
- Byte dynamic_byte_;
+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 str() const;
- /* *************** */
- Real seconds_f_;
+ Audio_instrument* audio_l_;
};
+
-struct Midi_chunk : Midi_item {
- Midi_chunk();
+class Midi_key : public Midi_item
+{
+public:
+ Midi_key (Audio_key*);
+
+ virtual String str () const;
- void add( String str );
- void set( String header_str, String data_str, String footer_str );
- virtual String str() const;
-private:
- String data_str_;
- String footer_str_;
- String header_str_;
+ Audio_key* audio_l_;
};
-struct Midi_header : Midi_chunk {
- /* *************** */
- Midi_header( int format_i, int tracks_i, int clocks_per_4_i );
+class Midi_time_signature : public Midi_item
+{
+public:
+ Midi_time_signature (Audio_time_signature*);
+
+ virtual String str () const;
+
+ Audio_time_signature* audio_l_;
+ int clocks_per_1_i_;
};
-struct Midi_text : Midi_item {
- enum Type {
- TEXT = 1, COPYRIGHT, TRACK_NAME, INSTRUMENT_NAME, LYRIC,
- MARKER, CUE_POINT
- };
+/**
+ Turn a note on.
+ */
+class Midi_note : public Midi_item
+{
+public:
+ Midi_note (Audio_note*);
+
+ Moment length_mom () const;
+ int pitch_i () const;
+ virtual String str () const;
+
+ Audio_note* audio_l_;
- Midi_text( Audio_item* audio_item_l );
- Midi_text( Midi_text::Type type, String text_str );
+ static int const c0_pitch_i_c_ = 60;
+ Byte dynamic_byte_;
+};
+
+/**
+ Turn a note off
+ */
+class Midi_note_off : public Midi_note
+{
+public:
+ Midi_note_off (Midi_note*);
- virtual String str() const;
+ virtual String str () const;
- Type type_;
- String text_str_;
+ Midi_note* on_l_;
+ Byte aftertouch_byte_;
};
-struct Midi_tempo : Midi_item {
- Midi_tempo( Audio_item* audio_item_l );
- 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
+ };
+
+ Midi_text (Audio_text*);
+
+ virtual String str () const;
+
+ Audio_text* audio_l_;
+};
- virtual String str() const;
+class Midi_dynamic : public Midi_item
+{
+public:
+ Midi_dynamic (Audio_dynamic*);
+
+ virtual String str () const;
- int per_minute_4_i_;
+ Audio_dynamic* audio_l_;
};
-struct Midi_meter : Midi_item {
- Midi_meter( Audio_item* audio_item_l );
+class Midi_tempo : public Midi_item
+{
+public:
+ Midi_tempo (Audio_tempo*);
+
+ virtual String str () const;
- virtual String str() const;
- int clocks_per_1_i_;
+ Audio_tempo* audio_l_;
};
-struct Midi_track : Midi_chunk {
- int number_i_;
- /* *************** */
- Midi_track();
+class Midi_track : public Midi_chunk
+{
+public:
+ int number_i_;
+ Cons_list<Midi_event> event_p_list_;
+
+ Midi_track ();
- void add( int delta_time_i, String event );
- void add( Moment delta_time_moment, Midi_item* mitem_l );
+ void add (Moment delta_time_mom, Midi_item* midi_l);
+ virtual String data_str () const;
};
#endif // MIDI_ITEM_HH
projects / lilypond.git / blobdiff