lilypond-0.1.7

diff --git a/lily/include/midi-walker.hh b/lily/include/midi-walker.hh
new file mode 100644 (file)
index 0000000..a9ce619
--- /dev/null
+++ b/lily/include/midi-walker.hh
@@ -0,0 +1,48 @@
+/*
+  midi-walker.hh -- declare Midi_walker
+
+  (c) 1996, 1997 Han-Wen Nienhuys  <hanwen@stack.nl>
+                 Jan Nieuwenhuizen <jan@digicash.com>
+ */
+
+#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*>
+{
+    bool ignore_b_;
+    Midi_note_event();
+};
+
+int compare(Midi_note_event const& left, Midi_note_event const& right );
+
+/**
+  walk audio and output midi
+  */
+class Midi_walker : public PCursor<Audio_item*> 
+{
+public:
+    Midi_walker( Audio_staff* audio_staff_l, Midi_track* midi_track_l );
+    ~Midi_walker();
+
+    void process();
+
+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_;
+};
+
+
+#endif // MIDI_WALKER_HH