TrackPlayer: allow retreiving track from player.

src/main/java/moe/nekojimi/chords/TrackPlayer.java

@@ -31,13 +31,15 @@ public class TrackPlayer implements Closeable
     private static final int RETRY_DELAY = 100;
 
     private final CircularByteBuffer audioBuffer = new CircularByteBuffer(3840 * 1024);
+    private final Track track;
 
     private final AudioInputStream input;
 
     private boolean arrayErr = false; // supresses ArrayIndexOutOfBoundsException after the first time, to prevent spam
 
-    public TrackPlayer(Track track) throws UnsupportedAudioFileException, IOException
+    public TrackPlayer(Track t) throws UnsupportedAudioFileException, IOException
     {
+        track = t;
         AudioInputStream in = null;
         AudioFormat decodedFormat = null;
         int retry = 0;
@@ -72,11 +74,11 @@ public class TrackPlayer implements Closeable
         fillBuffer(false);
     }
 
-    public TrackPlayer(AudioInputStream input) throws IOException
-    {
-        this.input = input;
-        fillBuffer(false);
-    }
+//    public TrackPlayer(AudioInputStream input) throws IOException
+//    {
+//        this.input = input;
+//        fillBuffer(false);
+//    }
 
     public boolean has(int byteCount)
     {
@@ -168,6 +170,10 @@ public class TrackPlayer implements Closeable
         input.close(); //q
     }
 
+    public Track getTrack()
+    {
+        return track;
+    }
 
 
     public static class OutOfInputException extends RuntimeException