SourceDataLine getSourceDataLine(AudioFormat format, int bufferSize) {
SourceDataLine line = null;
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
if (AudioSystem.isLineSupported(info)) {
try {
if (outputMixer == null) {
line = (SourceDataLine) AudioSystem.getLine(info);
} else {
line = (SourceDataLine) outputMixer.getLine(info);
}
// remember that time you spent, like, an entire afternoon fussing
// with this buffer size to try to get the latency decent on Linux?
// Yah, don't fuss with this anymore, ok?
line.open(format, bufferSize * format.getFrameSize() * 4);
if (line.isOpen()) {
debug(
"SourceDataLine is "
+ line.getClass().toString()
+ "\n"
+ "Buffer size is "
+ line.getBufferSize()
+ " bytes.\n"
+ "Format is "
+ line.getFormat().toString()
+ ".");
return line;
}
} catch (LineUnavailableException e) {
error("Couldn't open the line: " + e.getMessage());
}
}
error("Unable to return a SourceDataLine: unsupported format - " + format.toString());
return line;
}
TargetDataLine getTargetDataLine(AudioFormat format, int bufferSize) {
TargetDataLine line = null;
DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
if (AudioSystem.isLineSupported(info)) {
try {
if (inputMixer == null) {
line = (TargetDataLine) AudioSystem.getLine(info);
} else {
line = (TargetDataLine) inputMixer.getLine(info);
}
line.open(format, bufferSize * format.getFrameSize());
debug(
"TargetDataLine buffer size is "
+ line.getBufferSize()
+ "\n"
+ "TargetDataLine format is "
+ line.getFormat().toString()
+ "\n"
+ "TargetDataLine info is "
+ line.getLineInfo().toString());
} catch (Exception e) {
error("Error acquiring TargetDataLine: " + e.getMessage());
}
} else {
error("Unable to return a TargetDataLine: unsupported format - " + format.toString());
}
return line;
}
public SonarSoundEngine(int maxChannels) throws LineUnavailableException {
silentSample = new SonarSample(new float[] {0}, 44100);
Mixer mixer = AudioSystem.getMixer(null);
sdl = (SourceDataLine) mixer.getLine(new Line.Info(SourceDataLine.class));
sdl.open(new AudioFormat(rate, 16, 2, true, false), bufferSize * 2 * 2 * 2 * 2 * 2);
soundBuffer.order(ByteOrder.LITTLE_ENDIAN);
sdl.start();
try {
/* FloatControl volumeControl = (FloatControl) sdl.getControl(FloatControl.Type.MASTER_GAIN);
volumeControl.setValue(volumeControl.getMaximum());*/
} catch (IllegalArgumentException e) {
// System.out.println("Failed to set the sound volume");
}
listenerMixer = new ListenerMixer(maxChannels);
leftBuf = new float[bufferSize];
rightBuf = new float[bufferSize];
Thread thread = new Thread(this);
thread.setDaemon(true);
thread.setPriority(10);
thread.start();
}
public SourceDataLine getOutputLine(AudioFormat format) throws LineUnavailableException {
SourceDataLine out;
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
out = (SourceDataLine) mixer.getLine(info);
out.open(format, out.getBufferSize());
return out;
}
public TargetDataLine getInputLine(AudioFormat format) throws LineUnavailableException {
TargetDataLine in;
DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
in = (TargetDataLine) mixer.getLine(info);
in.open(format, in.getBufferSize());
return in;
}
@Ignore
@Test
public void testSilenceWriter()
throws UnsupportedAudioFileException, InterruptedException, LineUnavailableException,
FileNotFoundException {
float sampleRate = 44100;
int bufferSize = 1024;
int overlap = 0;
// available mixers
int index = 0;
int selectedMixerIndex = 4;
for (Mixer.Info mixer : AudioSystem.getMixerInfo()) {
System.out.println(index + ": " + Shared.toLocalString(mixer));
index++;
}
Mixer.Info selectedMixer = AudioSystem.getMixerInfo()[selectedMixerIndex];
System.out.println("Selected mixer: " + Shared.toLocalString(selectedMixer));
// open a line
final Mixer mixer = AudioSystem.getMixer(selectedMixer);
final AudioFormat format = new AudioFormat(sampleRate, 16, 1, true, true);
final DataLine.Info dataLineInfo = new DataLine.Info(TargetDataLine.class, format);
TargetDataLine line;
line = (TargetDataLine) mixer.getLine(dataLineInfo);
final int numberOfSamples = bufferSize;
line.open(format, numberOfSamples);
line.start();
final AudioInputStream stream = new AudioInputStream(line);
// create a new dispatcher
AudioDispatcher dispatcher = new AudioDispatcher(stream, bufferSize, overlap);
WaveformWriter writer = new WaveformWriter(format, "01.file.wav");
// add a processor, handle percussion event.
dispatcher.addAudioProcessor(new SilenceDetector());
dispatcher.addAudioProcessor(writer);
// run the dispatcher (on the same thread, use start() to run it on
// another thread).
new Thread(dispatcher).start();
Thread.sleep(3000);
dispatcher.removeAudioProcessor(writer);
writer = new WaveformWriter(format, "02.file.wav");
dispatcher.addAudioProcessor(writer);
Thread.sleep(3000);
dispatcher.stop();
}
private void createMixerChildren(JavaMixer.MixerNode mixerNode) {
Mixer mixer = mixerNode.getMixer();
Line.Info[] infosToCheck = getPortInfo(mixer);
for (Line.Info anInfosToCheck : infosToCheck) {
if (mixer.isLineSupported(anInfosToCheck)) {
Port port = null;
DataLine dLine = null;
int maxLines = mixer.getMaxLines(anInfosToCheck);
// Workaround to prevent a JVM crash on Mac OS X (Intel) 1.5.0_07 JVM
if (maxLines > 0) {
try {
if (anInfosToCheck instanceof Port.Info) {
port = (Port) mixer.getLine(anInfosToCheck);
port.open();
} else if (anInfosToCheck instanceof DataLine.Info) {
dLine = (DataLine) mixer.getLine(anInfosToCheck);
if (!dLine.isOpen()) {
dLine.open();
}
}
} catch (LineUnavailableException e) {
e.printStackTrace();
} catch (Exception e) {
// Do Nothing
}
}
if (port != null) {
JavaMixer.PortNode portNode = new JavaMixer.PortNode(port);
createPortChildren(portNode);
mixerNode.add(portNode);
} else if (dLine != null) {
JavaMixer.PortNode portNode = new JavaMixer.PortNode(dLine);
createPortChildren(portNode);
mixerNode.add(portNode);
}
}
}
}
/**
* Inits a DateLine.<br>
* We check if the line supports Gain and Pan controls.
*
* <p>From the AudioInputStream, i.e. from the sound file, we fetch information about the format
* of the audio data. These information include the sampling frequency, the number of channels and
* the size of the samples. There information are needed to ask JavaSound for a suitable output
* line for this audio file. Furthermore, we have to give JavaSound a hint about how big the
* internal buffer for the line should be. Here, we say AudioSystem.NOT_SPECIFIED, signaling that
* we don't care about the exact size. JavaSound will use some default value for the buffer size.
*/
protected void createLine() throws LineUnavailableException {
log.info("Create Line");
if (m_line == null) {
AudioFormat sourceFormat = m_audioInputStream.getFormat();
log.info("Create Line : Source format : " + sourceFormat.toString());
int nSampleSizeInBits = sourceFormat.getSampleSizeInBits();
if (nSampleSizeInBits <= 0) {
nSampleSizeInBits = 16;
}
if ((sourceFormat.getEncoding() == AudioFormat.Encoding.ULAW)
|| (sourceFormat.getEncoding() == AudioFormat.Encoding.ALAW)) {
nSampleSizeInBits = 16;
}
if (nSampleSizeInBits != 8) {
nSampleSizeInBits = 16;
}
AudioFormat targetFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
sourceFormat.getSampleRate(),
nSampleSizeInBits,
sourceFormat.getChannels(),
sourceFormat.getChannels() * (nSampleSizeInBits / 8),
sourceFormat.getSampleRate(),
false);
log.info("Create Line : Target format: " + targetFormat);
// Keep a reference on encoded stream to progress notification.
m_encodedaudioInputStream = m_audioInputStream;
try {
// Get total length in bytes of the encoded stream.
encodedLength = m_encodedaudioInputStream.available();
} catch (IOException e) {
log.log(Level.SEVERE, "Cannot get m_encodedaudioInputStream.available()", e);
}
// Create decoded stream.
m_audioInputStream = AudioSystem.getAudioInputStream(targetFormat, m_audioInputStream);
AudioFormat audioFormat = m_audioInputStream.getFormat();
DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat, -1);
Mixer mixer = getMixer(m_mixerName);
if (mixer != null) {
log.info("Mixer : " + mixer.getMixerInfo().toString());
m_line = (SourceDataLine) mixer.getLine(info);
} else {
m_line = (SourceDataLine) AudioSystem.getLine(info);
m_mixerName = null;
}
log.info("Line : " + m_line.toString());
log.info("Line Info : " + m_line.getLineInfo().toString());
log.info("Line AudioFormat: " + m_line.getFormat().toString());
}
}
private static void runVolumeCommand(Closure closure) {
Mixer.Info[] infos = AudioSystem.getMixerInfo();
for (Mixer.Info info : infos) {
Mixer mixer = AudioSystem.getMixer(info);
if (mixer.isLineSupported(Port.Info.SPEAKER)) {
Port port;
try {
port = (Port) mixer.getLine(Port.Info.SPEAKER);
port.open();
if (port.isControlSupported(FloatControl.Type.VOLUME)) {
FloatControl volume = (FloatControl) port.getControl(FloatControl.Type.VOLUME);
closure.execute(volume);
}
port.close();
} catch (LineUnavailableException e) {
logger.error("Cannot access master volume control", e);
}
}
}
}
private boolean setupSpeaker(String device) throws LineUnavailableException {
Mixer.Info[] aInfos = AudioSystem.getMixerInfo();
for (int i = 0; i < aInfos.length; i++) {
Mixer.Info mixerInfo = aInfos[i];
if (GetDataLines.equals(device, mixerInfo) == false) {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Skipping: " + mixerInfo.getName() + "," + mixerInfo.getDescription());
}
continue;
}
try {
Mixer mixer = AudioSystem.getMixer(mixerInfo);
Line.Info[] infos = mixer.getSourceLineInfo();
for (int j = 0; j < infos.length; j++) {
Line line = (Line) mixer.getLine(infos[j]);
if (line instanceof SourceDataLine) {
speaker = (SourceDataLine) line;
if (Logger.logLevel >= Logger.LOG_INFO) {
Logger.println("Found speaker: " + j);
}
break;
}
}
} catch (Exception e) {
if (Logger.logLevel >= Logger.LOG_MOREINFO) {
Logger.println("Exception: " + e.getMessage());
}
}
}
return speaker != null;
}
private void mixerComboBoxActionPerformed() {
Mixer mixer = AudioSystem.getMixer((Mixer.Info) mixerComboBox.getSelectedItem());
Line.Info lineInfo = mixer.getSourceLineInfo(new Line.Info(Clip.class))[0];
boolean volumeSupported;
boolean panSupported;
try {
Line line = mixer.getLine(lineInfo);
volumeSupported = line.isControlSupported(FloatControl.Type.MASTER_GAIN);
panSupported = line.isControlSupported(FloatControl.Type.PAN);
} catch (LineUnavailableException e) {
volumeSupported = false;
panSupported = false;
}
enableMixerVolumeCheckBox.setEnabled(volumeSupported);
enableMixerPanCheckBox.setEnabled(panSupported);
}
private void setNewMixer(Mixer mixer)
throws LineUnavailableException, UnsupportedAudioFileException {
if (dispatcher != null) {
dispatcher.stop();
}
if (fileName == null) {
final AudioFormat format = new AudioFormat(sampleRate, 16, 1, true, false);
final DataLine.Info dataLineInfo = new DataLine.Info(TargetDataLine.class, format);
TargetDataLine line;
line = (TargetDataLine) mixer.getLine(dataLineInfo);
final int numberOfSamples = bufferSize;
line.open(format, numberOfSamples);
line.start();
final AudioInputStream stream = new AudioInputStream(line);
// create a new dispatcher
dispatcher = new AudioDispatcher(stream, bufferSize, overlap);
} else {
try {
File audioFile = new File(fileName);
dispatcher = AudioDispatcher.fromFile(audioFile, bufferSize, overlap);
AudioFormat format = AudioSystem.getAudioFileFormat(audioFile).getFormat();
dispatcher.addAudioProcessor(new AudioPlayer(format));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
currentMixer = mixer;
// add a processor, handle pitch event.
dispatcher.addAudioProcessor(new PitchProcessor(algo, sampleRate, bufferSize, this));
dispatcher.addAudioProcessor(fftProcessor);
// run the dispatcher (on a new thread).
new Thread(dispatcher, "Audio dispatching").start();
}
private void startFile(File inputFile, Mixer mixer) {
if (dispatcher != null) {
dispatcher.stop();
}
AudioFormat format;
int bufferSize = 1024;
int overlap = 0;
double sampleRate = 44100;
try {
if (inputFile != null) {
format = AudioSystem.getAudioFileFormat(inputFile).getFormat();
sampleRate = format.getSampleRate();
} else {
format = new AudioFormat((float) sampleRate, 16, 1, true, true);
}
inputGain = new GainProcessor(defaultInputGain / 100.0);
AudioPlayer audioPlayer = new AudioPlayer(format);
if (inputFile == null) {
DataLine.Info dataLineInfo = new DataLine.Info(TargetDataLine.class, format);
TargetDataLine line;
line = (TargetDataLine) mixer.getLine(dataLineInfo);
line.open(format, bufferSize);
line.start();
final AudioInputStream stream = new AudioInputStream(line);
final TarsosDSPAudioInputStream audioStream = new JVMAudioInputStream(stream);
dispatcher = new AudioDispatcher(audioStream, bufferSize, overlap);
} else {
if (format.getChannels() != 1) {
dispatcher =
AudioDispatcherFactory.fromFile(
inputFile, bufferSize * format.getChannels(), overlap * format.getChannels());
dispatcher.addAudioProcessor(new MultichannelToMono(format.getChannels(), true));
} else {
dispatcher = AudioDispatcherFactory.fromFile(inputFile, bufferSize, overlap);
}
}
flangerEffect =
new FlangerEffect(
defaultLength / 1000.0, defaultImpact / 100.0, sampleRate, defaultFrequency / 10.0);
dispatcher.addAudioProcessor(flangerEffect);
dispatcher.addAudioProcessor(inputGain);
dispatcher.addAudioProcessor(new WaveformWriter(format, "flanger.wav"));
dispatcher.addAudioProcessor(audioPlayer);
Thread t = new Thread(dispatcher);
t.start();
} catch (UnsupportedAudioFileException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (LineUnavailableException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/*
* Set up the speaker to use the DirectAudioDevice
*/
private void setupSpeaker() throws LineUnavailableException {
done = false;
/*
* Set up the speaker.
*/
AudioFormat audioFormat =
new AudioFormat(
sampleRate, // Sample rate (Hz)
MediaManager.BITS_PER_SAMPLE, // Sample size (bits)
channels, // Channels (2 = stereo)
true, // signed
true); // False == little endian
String device = Utils.getPreference(Speaker.SPEAKER_PREFERENCE);
if (device != null && device.length() > 0 && device.equalsIgnoreCase("Default") == false) {
if (setupSpeaker(device) == true) {
if (Logger.logLevel >= Logger.LOG_INFO) {
Logger.println("Using specified speaker: " + device);
}
startSpeaker(audioFormat);
return;
}
Logger.println("Specified speaker not available: " + device);
} else {
if (Logger.logLevel >= Logger.LOG_INFO) {
Logger.println("Using default speaker");
}
}
DataLine.Info speakerInfo = new DataLine.Info(SourceDataLine.class, audioFormat);
try {
speaker = (SourceDataLine) AudioSystem.getLine(speakerInfo);
} catch (IllegalArgumentException e) {
Logger.println("GetLine failed " + e.getMessage());
throw new LineUnavailableException(e.getMessage());
}
if (speaker == null) {
Logger.println("Line unavailable...");
throw new LineUnavailableException("No audio device for the speaker!");
}
if (isDirectAudio(speaker) == false) {
Mixer.Info[] aInfos = AudioSystem.getMixerInfo();
for (int i = 0; i < aInfos.length; i++) {
try {
Mixer mixer = AudioSystem.getMixer(aInfos[i]);
SourceDataLine s = (SourceDataLine) mixer.getLine(speakerInfo);
if (isDirectAudio(s)) {
speaker = s;
break;
}
} catch (Exception e) {
}
}
}
if (isDirectAudio(speaker) == false) {
String s = System.getProperty("java.version");
if (s.indexOf("1.5.") >= 0) {
Logger.println("No DirectAudioDevice found for the speaker");
}
}
startSpeaker(audioFormat);
}
@SuppressWarnings("SleepWhileInLoop")
@Override
boolean bindAudioBuffer(AudioBuffer audioBuffer) {
// First check we've been initialised
if (!initialised) {
return false;
}
// Wait for AudioBuffer to be loaded, or 20 seconds
long startTime = System.currentTimeMillis();
while (audioBuffer.getState() != AudioBuffer.STATE_LOADED
&& System.currentTimeMillis() - startTime < 20000) {
try {
Thread.sleep(50);
} catch (InterruptedException ex) {
}
}
if (audioBuffer instanceof JavaSoundAudioBuffer
&& audioBuffer.getState() == AudioBuffer.STATE_LOADED) {
// Cast to JavaSoundAudioBuffer to enable easier access to specific methods
JavaSoundAudioBuffer buffer = (JavaSoundAudioBuffer) audioBuffer;
// Get a JavaSound DataLine and Clip
DataLine.Info lineInfo;
lineInfo = new DataLine.Info(Clip.class, buffer.getAudioFormat());
Clip newClip;
try {
newClip = (Clip) mixer.getLine(lineInfo);
} catch (LineUnavailableException ex) {
log.warn(
"Error binding JavaSoundSource ("
+ this.getSystemName()
+ ") to AudioBuffer ("
+ this.getAssignedBufferName()
+ ") "
+ ex);
return false;
}
this.clip = newClip;
try {
clip.open(
buffer.getAudioFormat(),
buffer.getDataStorageBuffer(),
0,
buffer.getDataStorageBuffer().length);
} catch (LineUnavailableException ex) {
log.warn(
"Error binding JavaSoundSource ("
+ this.getSystemName()
+ ") to AudioBuffer ("
+ this.getAssignedBufferName()
+ ")"
+ ex);
}
if (log.isDebugEnabled()) {
log.debug(
"Bind JavaSoundAudioSource ("
+ this.getSystemName()
+ ") to JavaSoundAudioBuffer ("
+ audioBuffer.getSystemName()
+ ")");
}
return true;
} else {
log.warn(
"AudioBuffer not loaded error when binding JavaSoundSource ("
+ this.getSystemName()
+ ") to AudioBuffer ("
+ this.getAssignedBufferName()
+ ")");
return false;
}
}
/**
* Single audio channel playback with automatic starting and stopping of the underlying
* sourcedataline specified by the mixer and mixer channel arguments.
*
* <p>Maintains an internal non-blocking audio packet queue and processes this queue 25 times a
* second (every 40 ms).
*
* @param threadPoolManager for assigning buffer processing schedule task
* @param mixer to obtain source data line
* @param mixerChannel either mono or left/right stereo
* @param audioFormat to use during playback
* @param lineInfo to use when obtaining the source data line
* @param requestedBufferSize of approximately 1 second of audio
*/
public AudioOutput(
ThreadPoolManager threadPoolManager,
Mixer mixer,
MixerChannel mixerChannel,
AudioFormat audioFormat,
Line.Info lineInfo,
int requestedBufferSize) {
mThreadPoolManager = threadPoolManager;
mMixer = mixer;
mMixerChannel = mixerChannel;
try {
mOutput = (SourceDataLine) mMixer.getLine(lineInfo);
if (mOutput != null) {
mOutput.open(audioFormat, requestedBufferSize);
// Start threshold: buffer is full with 10% or less of capacity remaining
mBufferStartThreshold = (int) (mOutput.getBufferSize() * 0.10);
// Stop threshold: buffer is empty with 90% or more capacity available
mBufferStopThreshold = (int) (mOutput.getBufferSize() * 0.90);
mOutput.addLineListener(this);
if (mOutput != null) {
try {
Control gain = mOutput.getControl(FloatControl.Type.MASTER_GAIN);
mGainControl = (FloatControl) gain;
} catch (IllegalArgumentException iae) {
mLog.warn(
"Couldn't obtain MASTER GAIN control for stereo line ["
+ mixer.getMixerInfo().getName()
+ " | "
+ getChannelName()
+ "]");
}
try {
Control mute = mOutput.getControl(BooleanControl.Type.MUTE);
mMuteControl = (BooleanControl) mute;
} catch (IllegalArgumentException iae) {
mLog.warn(
"Couldn't obtain MUTE control for stereo line ["
+ mixer.getMixerInfo().getName()
+ " | "
+ getChannelName()
+ "]");
}
/* Run the queue processor task every 40 milliseconds or 25 times a second */
mProcessorTask =
mThreadPoolManager.scheduleFixedRate(
ThreadType.AUDIO_PROCESSING, new BufferProcessor(), 40, TimeUnit.MILLISECONDS);
}
mAudioStartEvent = new AudioEvent(AudioEvent.Type.AUDIO_STARTED, getChannelName());
mAudioStopEvent = new AudioEvent(AudioEvent.Type.AUDIO_STOPPED, getChannelName());
mCanProcessAudio = true;
}
} catch (LineUnavailableException e) {
mLog.error(
"Couldn't obtain audio source data line for "
+ "audio output - mixer ["
+ mMixer.getMixerInfo().getName()
+ "]");
}
}
public SoundServer(Mixer mixer, DataLine.Info dataLineInfo, AudioFormat audioFormat) {
try {
final TargetDataLine targetDataLine = (TargetDataLine) mixer.getLine(dataLineInfo);
targetDataLine.open(audioFormat);
targetDataLine.start();
try {
serverSocket = new ServerSocket(20000);
} catch (IOException e1) {
e1.printStackTrace();
return;
}
clients = new ArrayList<>();
streams = new HashMap<>();
runServer = true;
acceptRunnable =
new Runnable() {
public void run() {
while (runServer) {
try {
Socket socket = serverSocket.accept();
synchronized (clients) {
clients.add(socket);
synchronized (streams) {
streams.put(socket, socket.getOutputStream());
}
System.out.println("Client connected from " + socket.getInetAddress());
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
};
sendRunnable =
new Runnable() {
public void run() {
System.out.println("Server is running...");
recordBuffer = new byte[BUFFER_SIZE];
while (runServer) {
int count = targetDataLine.read(recordBuffer, 0, BUFFER_SIZE);
if (count > 0) {
synchronized (clients) {
for (int i = 0; i < clients.size(); i++) {
Socket client = clients.get(i);
OutputStream os = streams.get(client);
try {
os.write(recordBuffer, 0, BUFFER_SIZE);
} catch (SocketException e) {
clients.set(i, null);
System.out.println("Client connection dropped...");
} catch (IOException e) {
e.printStackTrace();
}
}
for (int i = 0; i < clients.size(); i++) {
if (clients.get(i) == null) {
clients.remove(i);
}
}
}
}
}
}
};
new Thread(acceptRunnable).start();
new Thread(sendRunnable).start();
} catch (LineUnavailableException lue) {
lue.printStackTrace();
}
}
