import static javax.sound.sampled.FloatControl.Type.VOLUME;
import java.io.IOException;
+import java.io.OutputStream;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Logger;
import net.pterodactylus.sonitus.data.Sink;
import net.pterodactylus.sonitus.data.Source;
import net.pterodactylus.sonitus.data.controller.Fader;
+import net.pterodactylus.sonitus.data.controller.Switch;
+import net.pterodactylus.sonitus.io.IntegralWriteOutputStream;
import com.google.common.base.Preconditions;
/** The volume fader. */
private final Fader volumeFader;
+ /** The “mute” switch. */
+ private final Switch muteSwitch;
+
/** The current metadata. */
private Metadata metadata;
/** The audio output. */
private SourceDataLine sourceDataLine;
+ /** A buffered output stream to ensure correct writing to the source data line. */
+ private OutputStream sourceDataLineOutputStream = new IntegralWriteOutputStream(new OutputStream() {
+
+ @Override
+ public void write(int b) throws IOException {
+ }
+
+ @Override
+ public void write(byte[] b) throws IOException {
+ write(b, 0, b.length);
+ }
+
+ @Override
+ public void write(byte[] b, int off, int len) throws IOException {
+ if (sourceDataLine != null) {
+ sourceDataLine.write(b, off, len);
+ }
+ }
+ }, 1024);
+
/** Creates a new audio sink. */
public AudioSink() {
- super();
- volumeFader = new Fader() {
+ volumeFader = new Fader("Volume") {
+
+ @Override
+ protected void valueSet(Double value) {
+ if (sourceDataLine != null) {
+ FloatControl volumeControl = (FloatControl) sourceDataLine.getControl(VOLUME);
+ volumeControl.setValue((float) (value * volumeControl.getMaximum()));
+ }
+ }
+ };
+ muteSwitch = new Switch("Mute") {
+
+ private float previousValue;
@Override
- protected void valueSet(int value) {
+ protected void valueSet(Boolean value) {
if (sourceDataLine != null) {
FloatControl volumeControl = (FloatControl) sourceDataLine.getControl(VOLUME);
- volumeControl.setValue(value * volumeControl.getMaximum() / (float) maximum());
+ if (value) {
+ previousValue = volumeControl.getValue();
+ volumeControl.setValue(0);
+ } else {
+ volumeControl.setValue(previousValue);
+ }
}
}
};
//
@Override
- public List<Controller> controllers() {
- return Arrays.<Controller>asList(volumeFader);
+ public String name() {
+ return "Audio Output";
+ }
+
+ @Override
+ public List<Controller<?>> controllers() {
+ return Arrays.<Controller<?>>asList(volumeFader, muteSwitch);
}
//
}
@Override
- public void process(byte[] buffer) {
- sourceDataLine.write(buffer, 0, buffer.length);
+ public void process(byte[] buffer) throws IOException {
+ sourceDataLineOutputStream.write(buffer);
logger.finest(String.format("AudioSink: Wrote %d Bytes.", buffer.length));
}