moving examples to hang out with their libraries

java/libraries/minim/examples/LoadSample/LoadSample.pde

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+/**
+ * Load Sample
+ * by Damien Di Fede.
+ *  
+ * This sketch demonstrates how to use the <code>loadSample</code> 
+ * method of <code>Minim</code>. The <code>loadSample</code> 
+ * method allows you to specify the sample you want to load with 
+ * a <code>String</code> and optionally specify what you 
+ * want the buffer size of the returned <code>AudioSample</code> 
+ * to be. If you don't specify a buffer size, the returned sample 
+ * will have a buffer size of 1024. Minim is able to load wav files, 
+ * au files, aif files, snd files, and mp3 files. When you call 
+ * <code>loadSample</code>, if you just specify the filename it will 
+ * try to load the sample from the data folder of your sketch. However, 
+ * you can also specify an absolute path (such as "C:\foo\bar\thing.wav") 
+ * and the file will be loaded from that location (keep in mind that 
+ * won't work from an applet). You can also specify a URL (such as 
+ * "http://www.mysite.com/mp3/song.mp3") but keep in mind that if you 
+ * run the sketch as an applet you may run in to security restrictions 
+ * if the applet is not on the same domain as the file you want to load. 
+ * You can get around the restriction by signing the applet. Before you 
+ * exit your sketch make sure you call the <code>close</code> method 
+ * of any <code>AudioSamples</code>'s you have received from 
+ * <code>loadSample</code>.
+ *
+ * An <code>AudioSample</code> is a special kind of file playback that 
+ * allows you to repeatedly <i>trigger</i> an audio file. It does this 
+ * by keeping the entire file in an internal buffer and then keeping a 
+ * list of trigger points. <code>AudioSample</code> supports up to 20 
+ * overlapping triggers, which should be plenty for short sounds. It is 
+ * not advised that you use this class for long sounds (like entire songs, 
+ * for example) because the entire file is kept in memory.
+ * 
+ * Press 'k' to trigger the sample.
+ */
+
+import ddf.minim.*;
+
+Minim minim;
+AudioSample kick;
+
+void setup()
+{
+  size(512, 200, P2D);
+  // always start Minim before you do anything with it
+  minim = new Minim(this);
+  // load BD.mp3 from the data folder with a 1024 sample buffer
+  // kick = Minim.loadSample("BD.mp3");
+  // load BD.mp3 from the data folder, with a 512 sample buffer
+  kick = minim.loadSample("BD.mp3", 2048);
+}
+
+void draw()
+{
+  background(0);
+  stroke(255);
+  // use the mix buffer to draw the waveforms.
+  // because these are MONO files, we could have used the left or right buffers and got the same data
+  for (int i = 0; i < kick.bufferSize() - 1; i++)
+  {
+    line(i, 100 - kick.left.get(i)*50, i+1, 100 - kick.left.get(i+1)*50);
+  }
+}
+
+void keyPressed()
+{
+  if ( key == 'k' ) kick.trigger();
+}
+
+void stop()
+{
+  // always close Minim audio classes when you are done with them
+  kick.close();
+  minim.stop();
+  
+  super.stop();
+}