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[lilypond.git] / lily / performance.cc

diff --git a/lily/performance.cc b/lily/performance.cc
index 78070a064a39f8b57c640faca06fc8b0234c7a00..1e360054ade3afce50a92e8f7af65584ff666bfd 100644 (file)
--- a/lily/performance.cc
+++ b/lily/performance.cc
@@ -1,9 +1,20 @@
 /*
-  performance.cc -- implement Performance
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2010 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 1997--2007 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
+  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.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "performance.hh"
@@ -17,7 +28,7 @@ using namespace std;
 #include "international.hh"
 #include "lily-version.hh"
 #include "main.hh"
-#include "midi-item.hh"
+#include "midi-chunk.hh"
 #include "midi-stream.hh"
 #include "score.hh"
 #include "string-convert.hh"
@@ -38,11 +49,9 @@ Performance::output (Midi_stream &midi_stream) const
 {
   int tracks_ = audio_staffs_.size ();
 
-  // ugh
-  int clocks_per_4 = 384;
-
-  midi_stream << Midi_header (1, tracks_, clocks_per_4);
-  message (_ ("Track...") + " ");
+  midi_stream.write (Midi_header (1, tracks_, 384));
+  if (be_verbose_global)
+    progress_indication (_ ("Track...") + " ");
   
   int channel = 0;
   for (vsize i = 0; i < audio_staffs_.size (); i++)
@@ -96,7 +105,6 @@ Performance::write_output (string out) const
 
   /* Maybe a bit crude, but we had this before */
   File_name file_name (out);
-  file_name.ext_ = "midi";
   out = file_name.to_string ();
 
   Midi_stream midi_stream (out);
@@ -108,20 +116,12 @@ Performance::write_output (string out) const
 
 
 void
-Performance::remap_grace_durations ()
+Performance::process ()
 {
-  for (vsize i = 0; i < audio_elements_.size (); i++)
-    {
-      if (Audio_column * col = dynamic_cast<Audio_column*> (audio_elements_[i]))
-       {
-         col->when_.main_part_ = col->when_.main_part_ + Rational (1,4) * col->when_.grace_part_;
-         col->when_.grace_part_ = Rational (0);
-       }
-    }
 }
 
-void
-Performance::process ()
+Performance *
+unsmob_performance (SCM x)
 {
-  remap_grace_durations ();
+  return dynamic_cast<Performance*> (unsmob_music_output (x));
 }