/*
- midi-walker.hh -- declare Midi_walker
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1996,97 Han-Wen Nienhuys, Jan Nieuwenhuizen <jan@digicash.com>
- */
+ Copyright (C) 1996--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
-#ifndef MIDIWALKER_HH
-#define MIDIWALKER_HH
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-#include "lily-proto.hh"
-
-#if 0
-
-// sketch. . .
-class Midi_register {
-};
-
-class Midi_group_reg : public Midi_register, public Acceptor {
-
-};
-
-class Midi_staff_reg : public Midi_group_reg {
-};
-
-
-class Midi_note_reg : public Midi_register {
-
-};
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-class Midi_voice_reg : public Midi_group_reg, public Interpreter {
-
-};
-
-class Midi_score_reg: public Midi_group_reg, public Global_acceptor {
-};
+#ifndef MIDI_WALKER_HH
+#define MIDI_WALKER_HH
-
-#include "grouping.hh"
-#include "staff-walker.hh"
-#include "pcursor.hh"
#include "pqueue.hh"
+#include "lily-proto.hh"
+#include "moment.hh"
-
-struct Note_event : PQueue_ent<Moment,Melodic_req*>
+struct Midi_note_event : PQueue_ent<int, Midi_note *>
{
- bool ignore_b_;
- Note_event() {
- ignore_b_ = false;
- }
+ bool ignore_;
+ Midi_note_event ();
};
-int compare(Note_event const&, Note_event const&);
+int compare (Midi_note_event const &left, Midi_note_event const &right);
/**
- a simple walker which collects midi stuff, and then outputs.
-
- Should derive from Staff_walker
- */
-class Midi_walker : public PCursor<Staff_column*>
+ walk audio and output midi
+*/
+class Midi_walker
{
- Midi_track *track_l_;
-
- PQueue< Note_event > stop_notes;
-
- Moment last_moment_;
-
- /* *************** */
- void do_stop_notes(Moment);
- void do_start_note(Note_req *note_l);
- void output_event(Midi_item&, Moment);
public:
-
- Midi_walker(Staff*, Midi_track*);
- void do_process_requests();
- ~Midi_walker();
+ Midi_walker (Audio_staff *audio_staff, Midi_track *midi_track, int start_tick);
+ ~Midi_walker ();
+
+ void process ();
+ void operator ++(int);
+ bool ok () const;
+ void finalize ();
+
+private:
+ 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 *);
+ Midi_track *track_;
+ bool percussion_;
+ bool merge_unisons_;
+ vsize index_;
+ vector<Audio_item *> items_;
+ PQueue<Midi_note_event> stop_note_queue;
+ int last_tick_;
+
+ vector<Midi_item *> midi_events_;
};
-#endif
-
-#endif // MIDIWALKER_HH
-
+#endif // MIDI_WALKER_HH
projects / lilypond.git / blobdiff