Update Files

Kha/Backends/Java/kha/java/Music.hx

@@ -0,0 +1,120 @@
+package kha.java;
+
+import java.lang.Runnable;
+
+@:classCode('
+	java.io.File file;
+	javax.sound.sampled.AudioInputStream in;
+	javax.sound.sampled.SourceDataLine line;
+	int frameSize;
+	byte[] buffer = new byte [32 * 1024]; // 32k is arbitrary
+	Thread playThread;
+	boolean playing;
+	boolean notYetEOF;
+')
+class Music implements Runnable {
+	var loop: Bool = false;
+
+	public function new(filename: String) {
+		init(filename);
+	}
+
+	@:functionCode('
+		try {
+			//instance = this;
+			java.io.File f = new java.io.File(filename);
+			file = f;
+			in = javax.sound.sampled.AudioSystem.getAudioInputStream (f);
+			javax.sound.sampled.AudioFormat format = in.getFormat();
+			javax.sound.sampled.AudioFormat.Encoding formatEncoding = format.getEncoding();
+			if (!(formatEncoding.equals(javax.sound.sampled.AudioFormat.Encoding.PCM_SIGNED) || formatEncoding.equals(javax.sound.sampled.AudioFormat.Encoding.PCM_UNSIGNED)))
+			   throw new javax.sound.sampled.UnsupportedAudioFileException(file.getName() + " is not PCM audio");
+		   //System.out.println ("got PCM format");
+		   frameSize = format.getFrameSize();
+		   javax.sound.sampled.DataLine.Info info = new javax.sound.sampled.DataLine.Info(javax.sound.sampled.SourceDataLine.class, format);
+		   //System.out.println ("got info");
+		   line = (javax.sound.sampled.SourceDataLine)javax.sound.sampled.AudioSystem.getLine(info);
+		   //System.out.println ("got line");
+		   line.open();
+		   //System.out.println ("opened line");
+		   playThread = new Thread(this);
+		   playing = false;
+		   notYetEOF = true;
+		}
+		catch (Exception ex) {
+			ex.printStackTrace();
+		}
+	')
+	function init(filename: String): Void {}
+
+	@:functionCode('
+		int readPoint = 0;
+		int bytesRead = 0;
+
+		try {
+			while (playing) {
+				while (notYetEOF) {
+					if (playing) {
+						bytesRead = in.read(buffer, readPoint, buffer.length - readPoint);
+						if (bytesRead == -1) {
+							notYetEOF = false;
+							break;
+						}
+						// how many frames did we get,
+						// and how many are left over?
+						//int frames = bytesRead / frameSize;
+						int leftover = bytesRead % frameSize;
+						// send to line
+						line.write(buffer, readPoint, bytesRead-leftover);
+						// save the leftover bytes
+						System.arraycopy(buffer, bytesRead, buffer, 0, leftover);
+	                    readPoint = leftover;
+					}
+					else {
+						// if not playing
+						// Thread.yield();
+						try { Thread.sleep (10);}
+						catch (InterruptedException ie) {}
+					}
+				}
+				//System.out.println ("reached eof");
+				try {
+					in = javax.sound.sampled.AudioSystem.getAudioInputStream(file);
+				}
+				catch (javax.sound.sampled.UnsupportedAudioFileException e) {
+					e.printStackTrace();
+				}
+				if (loop) notYetEOF = true;
+				else playing = false;
+			}
+			line.drain();
+			line.stop();
+		}
+		catch (java.io.IOException ioe) {
+			ioe.printStackTrace();
+		}
+		finally {
+			// line.close();
+		}
+	')
+	public function run(): Void {}
+
+	@:functionCode('
+		this.loop = loop;
+		playing = true;
+		if (!playThread.isAlive())
+			playThread.start();
+		line.start();
+	')
+	function play2(loop: Bool): Void {}
+
+	public function play(loop: Bool = false): Void {
+		play2(loop);
+	}
+
+	@:functionCode('
+		playing = false;
+		line.stop();
+	')
+	public function stop(): Void {}
+}