Every source, sink, and filter is now also a controller.

[sonitus.git] / src / main / java / net / pterodactylus / sonitus / data / sink / AudioSink.java

diff --git a/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java b/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java
index f80113b..72442f5 100644 (file)
--- a/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java
+++ b/src/main/java/net/pterodactylus/sonitus/data/sink/AudioSink.java
@@ -17,16 +17,23 @@
 
 package net.pterodactylus.sonitus.data.sink;
 
+import static javax.sound.sampled.FloatControl.Type.VOLUME;
+
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 import java.util.logging.Logger;
 import javax.sound.sampled.AudioFormat;
 import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.FloatControl;
 import javax.sound.sampled.LineUnavailableException;
 import javax.sound.sampled.SourceDataLine;
 
+import net.pterodactylus.sonitus.data.Controller;
 import net.pterodactylus.sonitus.data.Metadata;
 import net.pterodactylus.sonitus.data.Sink;
 import net.pterodactylus.sonitus.data.Source;
+import net.pterodactylus.sonitus.data.controller.Fader;
 
 import com.google.common.base.Preconditions;
 
@@ -41,12 +48,39 @@ public class AudioSink implements Sink {
        /** The logger. */
        private static final Logger logger = Logger.getLogger(AudioSink.class.getName());
 
+       /** The volume fader. */
+       private final Fader volumeFader;
+
        /** The current metadata. */
        private Metadata metadata;
 
        /** The audio output. */
        private SourceDataLine sourceDataLine;
 
+       /** Creates a new audio sink. */
+       public AudioSink() {
+               super();
+               volumeFader = new Fader() {
+
+                       @Override
+                       protected void valueSet(int value) {
+                               if (sourceDataLine != null) {
+                                       FloatControl volumeControl = (FloatControl) sourceDataLine.getControl(VOLUME);
+                                       volumeControl.setValue(value * volumeControl.getMaximum() / (float) maximum());
+                               }
+                       }
+               };
+       }
+
+       //
+       // CONTROLLED METHODS
+       //
+
+       @Override
+       public List<Controller> controllers() {
+               return Arrays.<Controller>asList(volumeFader);
+       }
+
        //
        // SINK METHODS
        //