com/danitheskunk/skunkworks/TestSound.java

@@ -3,7 +3,6 @@ package com.danitheskunk.skunkworks;
 import com.danitheskunk.skunkworks.audio.AudioEngine;
 import com.danitheskunk.skunkworks.audio.nodes.Mixer;
 import com.danitheskunk.skunkworks.audio.nodes.Node;
-import com.danitheskunk.skunkworks.audio.nodes.SamplePlayer;
 import com.danitheskunk.skunkworks.audio.nodes.Sine;
 import org.lwjgl.openal.AL;
 import org.lwjgl.openal.ALC;
@@ -20,44 +19,18 @@ import static org.lwjgl.openal.ALC10.*;
 
 public class TestSound {
 	public static void main(String args[]) throws InterruptedException {
-		var engine = new AudioEngine(44100, 256, 16);
+		var engine = new AudioEngine(44100, 256, 8);
 		var mix = new Mixer(engine, 4);
 		var sin1 = new Sine(engine, 440);
 		var sin2 = new Sine(engine, 659.25);
 		var sin3 = new Sine(engine, 523.25);
+		Node.connect(sin1, 0, mix, 0);
+		Node.connect(sin2, 0, mix, 1);
+		Node.connect(sin3, 0, mix, 2);
 		engine.setNode(mix);
-		//Node.connect(sin1, 0, mix, 0);
-		//Node.connect(sin3, 0, mix, 1);
-		//Node.connect(sin2, 0, mix, 2);
-
-		var loop = engine.loadSample("C:\\Users\\dani\\Downloads\\AKWF" +
-			"\\AKWF_bw_sin\\AKWF_sin_0001.wav");
-		var sample = engine.loadSample("C:\\Users\\dani\\Downloads\\Untitled" +
-			".wav");
-		var kick = engine.loadSample("C:\\samples\\drum\\legowelt\\BASEDRUMS" +
-			"\\Legowelt Basedrum 007.wav");
-		var player = new SamplePlayer(engine);
-		Node.connect(player, 0, mix, 0);
-
-		player.play(loop, true);
-		for(int j = 0; j < 10; ++j) {
-			//player.play(kick);
-			for(int i = 0; i < 50; ++i) {
+		for(int i = 0; i < 120; ++i) {
 			engine.refill();
 			Thread.sleep(20);
 		}
 	}
-		/*
-		for(int i = 0; i < 60; ++i) {
-			engine.refill();
-			Thread.sleep(20);
-		}
-
-		for(int i = 0; i < 60; ++i) {
-			engine.refill();
-			Thread.sleep(20);
-		}
-
-		 */
-	}
 }

com/danitheskunk/skunkworks/audio/AudioEngine.java

@@ -4,13 +4,6 @@ import com.danitheskunk.skunkworks.audio.nodes.Node;
 import org.lwjgl.openal.AL;
 import org.lwjgl.openal.ALC;
 
-import javax.sound.sampled.AudioInputStream;
-import javax.sound.sampled.AudioSystem;
-import javax.sound.sampled.UnsupportedAudioFileException;
-import java.io.BufferedInputStream;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.IntBuffer;
 
@@ -104,54 +97,4 @@ public class AudioEngine {
 	public void setNode(Node node) {
 		this.node = node;
 	}
-
-	public ISample loadSample(String path) {
-		//todo: clean up this code
-		FileInputStream file = null;
-		try {
-			file = new FileInputStream(path);
-		} catch(FileNotFoundException e) {
-			throw new RuntimeException(e);
-		}
-		var bufFile = new BufferedInputStream(file);
-		AudioInputStream audio;
-		byte[] bytes;
-		try {
-			audio = AudioSystem.getAudioInputStream(bufFile);
-		} catch(UnsupportedAudioFileException | IOException e) {
-			throw new RuntimeException(e);
-		}
-		var format = audio.getFormat();
-		int channels = format.getChannels();
-		if(channels <= 0 || channels > 2) {
-			throw new RuntimeException("can only handle mono or stereo " +
-				"samples");
-		}
-		int bytesPerFrame = format.getFrameSize();
-		if(bytesPerFrame / channels != 2) {
-			throw new RuntimeException("currently only 16-bit audio samples " +
-				"supported");
-		}
-
-		try {
-			bytes = audio.readAllBytes();
-			audio.close();
-			file.close();
-		} catch(IOException e) {
-			throw new RuntimeException(e);
-		}
-		var sample = new Samplei(bytes.length / 2 / channels, channels == 2);
-		for(int i = 0; i < bytes.length / 2 / channels; ++i) {
-			var l = (bytes[i * 2 * channels] & 0xFF) +
-				(bytes[i * 2 * channels + 1] & 0xFF) * 256;
-			if(channels == 2) {
-				var r = (bytes[i * 2 * channels + 2] & 0xFF) +
-					(bytes[i * 2 * channels + 3] & 0xFF) * 256;
-				sample.setSamplei(i, (short) l, (short) r);
-			} else {
-				sample.setSamplei(i, (short) l);
-			}
-		}
-		return sample;
-	}
 }

com/danitheskunk/skunkworks/audio/ISample.java

@@ -8,9 +8,9 @@ public interface ISample {
 
 	double getSampleRight(int pos);
 
-	void setSamplei(int pos, short left);
+	void setSample(int pos, int left);
 
-	void setSamplei(int pos, short left, short right);
+	void setSample(int pos, int left, int right);
 
-	boolean isStereo();
+	void isStereo();
 }

com/danitheskunk/skunkworks/audio/Samplei.java

@@ -1,17 +1,12 @@
 package com.danitheskunk.skunkworks.audio;
 
 public class Samplei implements ISample {
-	private short[] left;
-	private short[] right;
+	private double[] left;
+	private double[] right;
 
 	public Samplei(int length, boolean stereo) {
-		left = new short[length];
-		right = stereo ? new short[length] : left;
-	}
-
-	public Samplei(short[] left, short[] right) {
-		this.left = left;
-		this.right = right == null ? left : right;
+		left = new double[length];
+		right = stereo ? new double[length] : left;
 	}
 
 	@Override
@@ -21,27 +16,27 @@ public class Samplei implements ISample {
 
 	@Override
 	public double getSampleLeft(int pos) {
-		return (double) left[pos] / 32768.0;
+		return left[pos];
 	}
 
 	@Override
 	public double getSampleRight(int pos) {
-		return (double) right[pos] / 32768.0;
+		return right[pos];
 	}
 
 	@Override
-	public void setSamplei(int pos, short left) {
+	public void setSample(int pos, int left) {
 		this.left[pos] = left;
 	}
 
 	@Override
-	public void setSamplei(int pos, short left, short right) {
+	public void setSample(int pos, int left, int right) {
 		this.left[pos] = left;
 		this.right[pos] = right;
 	}
 
 	@Override
-	public boolean isStereo() {
-		return left != right;
+	public void isStereo() {
+
 	}
 }

com/danitheskunk/skunkworks/audio/nodes/SamplePlayer.java

@@ -1,64 +0,0 @@
-package com.danitheskunk.skunkworks.audio.nodes;
-
-import com.danitheskunk.skunkworks.audio.AudioBuffer;
-import com.danitheskunk.skunkworks.audio.AudioEngine;
-import com.danitheskunk.skunkworks.audio.ISample;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class SamplePlayer extends Node {
-	private List<PlayingSample> samples;
-
-	public SamplePlayer(AudioEngine engine) {
-		super(engine, 0, 1);
-		samples = new ArrayList<>();
-	}
-
-	@Override
-	public AudioBuffer getBuffer(int slot) {
-		var bufsize = getEngine().getBufferSize();
-		var buf = new AudioBuffer(bufsize);
-		var toRemove = new ArrayList<PlayingSample>();
-		for(int i = 0; i < bufsize; ++i) {
-			double l = 0;
-			double r = 0;
-			for(var sample : samples) {
-				if(sample.loop) {
-					sample.tick %= sample.sample.getLength();
-				}
-				if(sample.tick < sample.sample.getLength()) {
-					l += sample.sample.getSampleLeft(sample.tick);
-					r += sample.sample.getSampleRight(sample.tick);
-					++sample.tick;
-				} else {
-					toRemove.add(sample);
-				}
-			}
-			for(var sample : toRemove) {
-				samples.remove(sample);
-			}
-			toRemove.clear();
-			buf.setSample(i, l, r);
-		}
-		return buf;
-	}
-
-	public void play(ISample sample) {
-		play(sample, false);
-	}
-
-	public void play(ISample sample, boolean looping) {
-		var s = new PlayingSample();
-		s.sample = sample;
-		s.loop = looping;
-		s.tick = 0;
-		samples.add(s);
-	}
-
-	private static class PlayingSample {
-		ISample sample;
-		int tick;
-		boolean loop;
-	}
-}