Add first base for SoundSystem code.

src/de/teamteamteam/spacescooter/sound/SoundSystem.java

@@ -0,0 +1,104 @@
+import java.io.BufferedInputStream;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.BooleanControl;
+import javax.sound.sampled.CompoundControl;
+import javax.sound.sampled.Control;
+import javax.sound.sampled.FloatControl;
+import javax.sound.sampled.Line;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.SourceDataLine;
+
+
+public class SoundSystem {
+
+	private static Mixer mixer = null;
+	private static Line line = null;
+	private static CompoundControl volCtrl = null;
+	private static SourceDataLine sourceDataLine = null;
+
+
+	/**
+	 * Get mixer info and return available sound cards.
+	 */
+	public static Mixer.Info[] getAvailableDevices() {
+		Mixer.Info[] devices = AudioSystem.getMixerInfo();
+		System.out.println("[Available Devices]");
+		for(int i=0; i < devices.length; i++) {
+			System.out.println("["+i+"] " + devices[i]);
+		}
+		System.out.println();
+		return devices;
+	}
+	
+	/**
+	 * Create mixer by chosen sound card, return available lines.
+	 */
+	public static Line.Info[] initializeMixer(Mixer.Info mixerInfo) {
+		SoundSystem.mixer = AudioSystem.getMixer(mixerInfo);
+		try {
+			SoundSystem.mixer.open();
+		} catch (LineUnavailableException e) {
+			System.err.println("Could not open mixer!");
+			e.printStackTrace();
+		}
+		return SoundSystem.mixer.getTargetLineInfo();
+	}
+	
+	/**
+	 * Set up line based on chosen line.
+	 */
+	public static void setUpLine(Line.Info lineInfo) {
+		try {
+			SoundSystem.line = SoundSystem.mixer.getLine(lineInfo);
+		} catch (LineUnavailableException e) {
+			System.err.println("Could not get port by lineInfo");
+			e.printStackTrace();
+		}
+		try {
+			SoundSystem.line.open();
+		} catch (LineUnavailableException e) {
+			System.out.println("Could not open port.");
+			e.printStackTrace();
+		}
+	}
+	
+	/**
+	 * Create a SourceDataLine and play the BufferedInputStream into it.
+	 */
+	public static void playFromInputStream(BufferedInputStream inputStream) {
+		try {
+			AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(inputStream);
+			SoundSystem.sourceDataLine = AudioSystem.getSourceDataLine(audioInputStream.getFormat());
+			SoundSystem.sourceDataLine.open(audioInputStream.getFormat());
+			SoundSystem.sourceDataLine.start();
+			inputStream.reset();
+			byte[] b = new byte[512];
+			while (inputStream.available() > 0) {
+				inputStream.read(b, 0, 512);
+				SoundSystem.sourceDataLine.write(b, 0, 512);
+			}
+			SoundSystem.sourceDataLine.close();
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+	
+	public static void setVolume(float volume) {
+		Control[] c = SoundSystem.line.getControls();
+		SoundSystem.volCtrl = (CompoundControl) SoundSystem.line.getControl(c[0].getType());
+		//System.out.println(SoundSystem.volCtrl.getClass());
+		
+		Control[] subC = SoundSystem.volCtrl.getMemberControls();
+		/*System.out.println("[CompoundControl]");
+		for(int g=0; g<subC.length; g++) {
+			System.out.println("["+g+"] " + subC[g]);
+		}
+		System.out.println();*/
+		FloatControl fc = (FloatControl) subC[0];
+		fc.setValue(volume);
+		BooleanControl bc = (BooleanControl) subC[1];
+
+	}
+}