X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fperformance.cc;h=bcd8b42c50f12eb54574fa5443829f9a33b98e6f;hb=4a03918c90866800b208ad12ffc019f577c8ab83;hp=46180d0e5d857a16a0445cd15af6733a42eb21a7;hpb=a9d9433bc7b95cb2d4b3d96eefce7a8437c0d44e;p=lilypond.git

diff --git a/lily/performance.cc b/lily/performance.cc
index 46180d0e5d..bcd8b42c50 100644
--- 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--2011 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 1997--2009 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"
@@ -23,9 +34,10 @@ using namespace std;
 #include "string-convert.hh"
 #include "warn.hh"
 
-Performance::Performance ()
+Performance::Performance (bool ports)
+  : midi_ (0)
+  , ports_ (ports)
 {
-  midi_ = 0;
 }
 
 Performance::~Performance ()
@@ -42,44 +54,17 @@ Performance::output (Midi_stream &midi_stream) const
   if (be_verbose_global)
     progress_indication (_ ("Track...") + " ");
   
-  int channel = 0;
   for (vsize i = 0; i < audio_staffs_.size (); i++)
     {
       Audio_staff *s = audio_staffs_[i];
       if (be_verbose_global)
 	progress_indication ("[" + to_string (i));
-
-      int midi_channel =  s->channel_;
-
-      if (midi_channel < 0)
-	{
-	  midi_channel = channel;
-	  channel ++;
-	  /*
-	    MIDI players tend to ignore instrument settings on
-	    channel 10, the percussion channel.
-	  */
-	  if (channel % 16 == 9)
-	    channel ++;
-	}
-
-      /*
-	Huh? Why does each staff also have a separate channel? We
-	should map channels to voices, not staves. --hwn.
-      */
-      if (midi_channel > 15)
-	{
-	  warning (_ ("MIDI channel wrapped around"));
-	  warning (_ ("remapping modulo 16"));
-
-	  midi_channel = midi_channel % 16; 
-	}
-
-      s->output (midi_stream, midi_channel);
+      s->output (midi_stream, i, ports_);
       if (be_verbose_global)
 	progress_indication ("]");
     }
 }
+
 void
 Performance::add_element (Audio_element *p)
 {