X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmidi-chunk.cc;fp=lily%2Fmidi-chunk.cc;h=0aa11eb5497bc388f83b7e323217d46ab9705cbb;hb=941dff9d2a67080e0dd8474f1e70f0c72ace6424;hp=d6ad38e31555997a89e9f41b5855bdbc50cece37;hpb=5a22d6233a39d3164e1ca043244794c268be4ad0;p=lilypond.git

diff --git a/lily/midi-chunk.cc b/lily/midi-chunk.cc
index d6ad38e315..0aa11eb549 100644
--- a/lily/midi-chunk.cc
+++ b/lily/midi-chunk.cc
@@ -1,10 +1,21 @@
-/* 
-  midi-chunk.cc -- implement Midi_chunk
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 2007--2009 Han-Wen Nienhuys <hanwen@lilypond.org>
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2007--2011 Han-Wen Nienhuys <hanwen@lilypond.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 "midi-chunk.hh"
@@ -13,7 +24,8 @@
 #include "std-string.hh"
 #include "string-convert.hh"
 
-Midi_track::Midi_track ()
+Midi_track::Midi_track (int number, bool port)
+ : number_ (number)
 {
   //                4D 54 72 6B     MTrk
   //                00 00 00 3B     chunk length (59)
@@ -29,8 +41,6 @@ Midi_track::Midi_track ()
   //         mi = 0:  major key
   //         mi = 1:  minor key
 
-  number_ = 0;
-
   char const *data_str0 = ""
     //        "00" "ff58" "0404" "0218" "08"
     //	"00" "ff51" "0307" "a120"
@@ -45,6 +55,13 @@ Midi_track::Midi_track ()
   // only for format 0 (currently using format 1)?
   data_string += String_convert::hex2bin (data_str0);
 
+  if (port)
+    {
+      string port = "00" "ff" "21" "01"
+	+ String_convert::int2hex (number_, 2, '0');
+      data_string += String_convert::hex2bin (port);
+    }
+
   char const *footer_str0 = "00" "ff2f" "00";
   string footer_string = String_convert::hex2bin (footer_str0);
 
@@ -93,7 +110,6 @@ Midi_event::to_string () const
 {
   string delta_string = int2midi_varint_string (delta_ticks_);
   string midi_string = midi_->to_string ();
-  assert (midi_string.length ());
   return delta_string + midi_string;
 }
 /****************************************************************