Fix issue 2359: example code in German and English docs should be the same

[lilypond.git] / lily / midi-chunk.cc

diff --git a/lily/midi-chunk.cc b/lily/midi-chunk.cc
index 3e9f898993e9f076234e26acd56936e6961e1685..9e5a828a602908badd83f5ef0ec8bfb73fa399e7 100644 (file)
--- 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 Han-Wen Nienhuys <hanwen@lilypond.org>
-  
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2007--2012 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)
@@ -29,22 +41,27 @@ 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"
-    // why a key at all, in midi?
-    // key: C
-    // "00" "ff59" "02" "00" "00"
-    // key: F (scsii-menuetto)
-    //                           "00" "ff59" "02" "ff" "00"
-    ;
+                          //        "00" "ff58" "0404" "0218" "08"
+                          //  "00" "ff51" "0307" "a120"
+                          // why a key at all, in midi?
+                          // key: C
+                          //  "00" "ff59" "02" "00" "00"
+                          // key: F (scsii-menuetto)
+                          //                            "00" "ff59" "02" "ff" "00"
+                          ;
 
   string data_string;
   // 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);
 
@@ -65,18 +82,17 @@ Midi_track::data_string () const
 {
   string str = Midi_chunk::data_string ();
 
-  for (vector<Midi_event*>::const_iterator i (events_.begin ());
-       i != events_.end (); i ++)
+  for (vector<Midi_event *>::const_iterator i (events_.begin ());
+       i != events_.end (); i++)
     {
       str += (*i)->to_string ();
     }
   return str;
 }
 
-
 Midi_track::~Midi_track ()
 {
-  junk_pointers (events_); 
+  junk_pointers (events_);
 }
 
 /****************************************************************
@@ -93,12 +109,11 @@ 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;
 }
 /****************************************************************
  header
-*/ 
+*/
 
 Midi_header::Midi_header (int format, int tracks, int clocks_per_4)
 {
@@ -116,13 +131,12 @@ Midi_header::Midi_header (int format, int tracks, int clocks_per_4)
   set ("MThd", str, "");
 }
 
-
 /****************************************************************
    chunk
  */
 Midi_chunk::~Midi_chunk ()
 {
-  
+
 }
 
 void
@@ -145,7 +159,7 @@ Midi_chunk::to_string () const
   string str = header_string_;
   string dat = data_string ();
   string length_string = String_convert::int2hex (dat.length ()
-                                                 + footer_string_.length (), 8, '0');
+                                                  + footer_string_.length (), 8, '0');
   length_string = String_convert::hex2bin (length_string);
 
   str += length_string;