Make it posible to determine alternate location of data file

README.md

@@ -19,13 +19,17 @@ $( document ).ready(function() {
         color: "red",
         onUnpdate: midiUpdate,
         onStop: midiStop,
-        width: 250
+        width: 250,
+        locateFile: function(file) {
+          //locate wildwebmidi.data
+          return '/path/to/'+file;
+        }
     });
     $("#player").midiPlayer.play(song);
 });
 ```
 
-Remark: you also need to include the `wildwebmidi.data` file that needs to be accessible from the root of your site.
+Remark: you also need to include the `wildwebmidi.data` file that needs to be retrieved by locateFile option, or accessible from the root of your site if not specified.
 
 The source code of the demo is available [here](https://github.com/rism-ch/midi-player/tree/gh-pages)
 

player/midiplayer.js

@@ -184,8 +184,6 @@ var MidiPlayer = {
         }
     }
 };
-MidiModule(MidiPlayer); 
-
 
 function onAudioProcess(audioProcessingEvent) {
     var generated = circularBuffer.use();
@@ -342,6 +340,10 @@ function runConversion() {
         // update rate should not be less than 10 milliseconds
         options.updateRate = Math.max(options.updateRate, 10);
 
+        if(options.locateFile) MidiPlayer.locateFile = options.locateFile;
+
+        MidiModule(MidiPlayer);
+
         $.fn.midiPlayer.play = function (song) {
             if (midiPlayer_isLoaded == false) {
                 midiPlayer_input = song;