/*
midi-walker.hh -- declare Midi_walker
- (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
- Jan Nieuwenhuizen <jan@digicash.com>
- */
+ (c) 1996--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#ifndef MIDI_WALKER_HH
#define MIDI_WALKER_HH
-#include "proto.hh"
-#include "plist.hh"
-#include "pcursor.hh"
#include "pqueue.hh"
#include "lily-proto.hh"
#include "moment.hh"
-struct Midi_note_event : PQueue_ent<Moment, Midi_note_off*>
+struct Midi_note_event : PQueue_ent<int, Midi_note *>
{
- bool ignore_b_;
- Midi_note_event();
+ bool ignore_;
+ Midi_note_event ();
};
-int compare(Midi_note_event const& left, Midi_note_event const& right );
+int compare (Midi_note_event const &left, Midi_note_event const &right);
/**
- walk audio and output midi
- */
-class Midi_walker : public PCursor<Audio_item*>
+ walk audio and output midi
+*/
+class Midi_walker
{
public:
- Midi_walker( Audio_staff* audio_staff_l, Midi_track* midi_track_l );
- ~Midi_walker();
-
- void process();
-
+ Midi_walker (Audio_staff *audio_staff, Midi_track *midi_track,
+ int channel);
+ ~Midi_walker ();
+
+ void process ();
+ void operator ++ (int);
+ bool ok () const;
+ void finalize ();
private:
- void do_start_note( Midi_note* note_l );
- void do_stop_notes( Moment now_mom );
- void output_event( Moment now_mom, Midi_item* l );
-
- Midi_track* track_l_;
- PQueue<Midi_note_event> stop_note_queue;
- Moment last_mom_;
+ void do_start_note (Midi_note *note);
+ void do_stop_notes (int);
+ void output_event (int, Midi_item *l);
+ Midi_item *get_midi (Audio_item*);
+ int channel_;
+ Midi_track *track_;
+ Audio_staff *staff_;
+ vsize index_;
+ vector<Audio_item*> items_;
+ PQueue<Midi_note_event> stop_note_queue;
+ int last_tick_;
+
+ vector<Midi_item*> midi_events_;
};
-
#endif // MIDI_WALKER_HH