X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-performer.cc;h=59ac69ac9842c895d9ceb8bd618cf0af4ffb3031;hb=82bc9ad690e201aaa55694f8b92261ae7338f56a;hp=ddf9fe39213e0d74910ce75a268808ad254d424c;hpb=ffd278ab691a1ada9b0ff0f8fd7548ab791f1647;p=lilypond.git

diff --git a/lily/note-performer.cc b/lily/note-performer.cc
index ddf9fe3921..59ac69ac98 100644
--- a/lily/note-performer.cc
+++ b/lily/note-performer.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1996--2012 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1996--2014 Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -36,6 +36,7 @@ protected:
   void process_music ();
 
   DECLARE_TRANSLATOR_LISTENER (note);
+  DECLARE_TRANSLATOR_LISTENER (breathing);
 private:
   vector<Stream_event *> note_evs_;
   vector<Audio_note *> notes_;
@@ -65,9 +66,9 @@ Note_performer::process_music ()
         {
           SCM articulations = n->get_property ("articulations");
           Stream_event *tie_event = 0;
-          for (SCM s = articulations;
-               !tie_event && scm_is_pair (s);
-               s = scm_cdr (s))
+          Moment len = get_event_length (n, now_mom ());
+          int velocity = 0;
+          for (SCM s = articulations; scm_is_pair (s); s = scm_cdr (s))
             {
               Stream_event *ev = unsmob_stream_event (scm_car (s));
               if (!ev)
@@ -75,19 +76,23 @@ Note_performer::process_music ()
 
               if (ev->in_event_class ("tie-event"))
                 tie_event = ev;
+              SCM f = ev->get_property ("midi-length");
+              if (ly_is_procedure (f))
+                len = robust_scm2moment (scm_call_2 (f, len.smobbed_copy (),
+                                                     context ()->self_scm ()),
+                                         len);
+              velocity += robust_scm2int (ev->get_property ("midi-extra-velocity"), 0);
             }
 
-          Moment len = get_event_length (n, now_mom ());
-
           Audio_note *p = new Audio_note (*pitp, len,
-                                          tie_event, transposing);
+                                          tie_event, transposing, velocity);
           Audio_element_info info (p, n);
           announce_element (info);
           notes_.push_back (p);
 
           /*
-            Shorten previous note. If it was part of a tie, shorten
-            the first note in the tie.
+            Grace notes shorten the previous non-grace note. If it was
+            part of a tie, shorten the first note in the tie.
            */
           if (now_mom ().grace_part_)
             {
@@ -96,7 +101,11 @@ Note_performer::process_music ()
                   for (vsize i = 0; i < last_notes_.size (); i++)
                     {
                       Audio_note *tie_head = last_notes_[i]->tie_head ();
-                      tie_head->length_mom_ += Moment (0, now_mom ().grace_part_);
+                      Moment start = tie_head->audio_column_->when ();
+                      //Shorten the note if it would overlap. It might
+                      //not if there's a rest in between.
+                      if (start + tie_head->length_mom_ > now_mom ())
+                        tie_head->length_mom_ = now_mom () - start;
                     }
                 }
             }
@@ -124,6 +133,30 @@ Note_performer::listen_note (Stream_event *ev)
   note_evs_.push_back (ev);
 }
 
+IMPLEMENT_TRANSLATOR_LISTENER (Note_performer, breathing)
+void
+Note_performer::listen_breathing (Stream_event *ev)
+{
+  //Shorten previous note if needed
+  SCM f = ev->get_property ("midi-length");
+  if (ly_is_procedure (f))
+    for (vsize i = 0; i < last_notes_.size (); i++)
+      {
+        //Pass midi-length the available time since the last note started,
+        //including any intervening rests. It returns how much is left for the
+        //note.
+        Moment start = last_notes_[i]->audio_column_->when ();
+        Moment available = now_mom () - start;
+        Moment len = robust_scm2moment (scm_call_2 (f, available.smobbed_copy (),
+                                                    context ()->self_scm ()), available);
+        //Take time from the first note of the tie, since it has all the length.
+        Audio_note *tie_head = last_notes_[i]->tie_head ();
+        len += start - tie_head->audio_column_->when ();
+        if (len < tie_head->length_mom_)
+          tie_head->length_mom_ = len;
+      }
+}
+
 ADD_TRANSLATOR (Note_performer,
                 /* doc */
                 "",