public void run() {
// get line and buffer from ThreadLocals
SourceDataLine line = (SourceDataLine) localLine.get();
byte[] buffer = (byte[]) localBuffer.get();
if (line == null || buffer == null) {
// the line is unavailable
return;
}
// copy data to the line
try {
int numBytesRead = 0;
while (numBytesRead != -1) {
// if paused, wait until unpaused
synchronized (pausedLock) {
if (paused) {
try {
pausedLock.wait();
} catch (InterruptedException ex) {
return;
}
}
}
// copy data
numBytesRead = source.read(buffer, 0, buffer.length);
if (numBytesRead != -1) {
line.write(buffer, 0, numBytesRead);
}
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
/** Signals that a PooledThread has stopped. Drains and closes the Thread's Line. */
protected void threadStopped() {
SourceDataLine line = (SourceDataLine) localLine.get();
if (line != null) {
line.drain();
line.close();
}
}
// open up an audio stream
private static void init() {
try {
// 44,100 samples per second, 16-bit audio, mono, signed PCM, little
// Endian
AudioFormat format = new AudioFormat((float) SAMPLE_RATE, BITS_PER_SAMPLE, 1, true, false);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format, SAMPLE_BUFFER_SIZE * BYTES_PER_SAMPLE);
// the internal buffer is a fraction of the actual buffer size, this
// choice is arbitrary
// it gets divided because we can't expect the buffered data to line
// up exactly with when
// the sound card decides to push out its samples.
buffer = new byte[SAMPLE_BUFFER_SIZE * BYTES_PER_SAMPLE / 3];
listeners = new HashSet<AudioEventListener>();
} catch (Exception e) {
System.err.println("Error initializing StdAudio audio system:");
e.printStackTrace();
System.exit(1);
}
// no sound gets made before this call
line.start();
}
public synchronized void start(boolean loop) {
if (DEBUG || Printer.debug) Printer.debug("> DataPusher.start(loop=" + loop + ")");
try {
if (threadState == STATE_STOPPING) {
// wait that the thread has finished stopping
if (DEBUG || Printer.trace) Printer.trace("DataPusher.start(): calling stop()");
stop();
}
looping = loop;
newPos = 0;
wantedState = STATE_PLAYING;
if (!source.isOpen()) {
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.open()");
source.open(format);
}
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.start()");
source.start();
if (pushThread == null) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.start(): Starting push");
pushThread =
JSSecurityManager.createThread(
this, null, // name
false, // daemon
-1, // priority
true); // doStart
}
notifyAll();
} catch (Exception e) {
if (DEBUG || Printer.err) e.printStackTrace();
}
if (DEBUG || Printer.debug) Printer.debug("< DataPusher.start(loop=" + loop + ")");
}
public int write(byte[] data, int ofs, int len) {
int maxTries = 10;
int totWrite = 0;
int nofs = ofs, nlen = len;
while (nofs < ofs + len && maxTries > 0) {
int written = 0;
if (format.getBits() == 16 && format.getChannels() == 2 && format.getRate() == INPUT_RATE)
written = sdl.write(data, nofs, nlen);
else written = writeConv(data, nofs, nlen);
nofs += written;
nlen -= written;
totWrite += written;
maxTries--;
deliveredData += written;
// calculations when channels and bits and rate varies...
// int divisor = (format.getBits() / 8) * format.getChannels();
// int deliveredTime =
// (int) (1000 * deliveredData / (format.getRate() * divisor));
int deliveredTime = (int) (1000 * deliveredData / (INPUT_RATE * 4));
long pos = sdl.getMicrosecondPosition() / 1000;
long sleepTime = deliveredTime - pos - bufferTime;
if (sleepTime < 0) sleepTime = 0;
try {
Thread.sleep(sleepTime);
} catch (InterruptedException e) {
}
}
return totWrite;
}
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();
}
/** Signals that a PooledThread has started. Creates the Thread's line and buffer. */
protected void threadStarted() {
// wait for the SoundManager constructor to finish
synchronized (this) {
try {
wait();
} catch (InterruptedException ex) {
}
}
// use a short, 100ms (1/10th sec) buffer for filters that
// change in real-time
int bufferSize =
playbackFormat.getFrameSize() * Math.round(playbackFormat.getSampleRate() / 10);
// create, open, and start the line
SourceDataLine line;
DataLine.Info lineInfo = new DataLine.Info(SourceDataLine.class, playbackFormat);
try {
line = (SourceDataLine) AudioSystem.getLine(lineInfo);
line.open(playbackFormat, bufferSize);
} catch (LineUnavailableException ex) {
// the line is unavailable - signal to end this thread
Thread.currentThread().interrupt();
return;
}
line.start();
// create the buffer
byte[] buffer = new byte[bufferSize];
// set this thread's locals
localLine.set(line);
localBuffer.set(buffer);
}
public void beginExecution() {
AudioFormat audioFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED, 44100.0F, 16, 1, numChannels, 44100.0F, false);
// System.out.println("AudioPlayer.playAudioInts audio format: " + audioFormat );
DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class, audioFormat);
if (!AudioSystem.isLineSupported(dataLineInfo)) {
System.out.println("AudioPlayer.playAudioInts does not " + " handle this type of audio.");
return;
}
try {
SourceDataLine sourceLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo);
sourceLine.open(audioFormat);
} catch (LineUnavailableException e) {
e.printStackTrace();
}
chunkIndex = 0;
InitialExecution = true;
}
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 void deactivate() {
active = false;
microphone.stop();
microphone.flush();
speaker.stop();
speaker.flush();
}
@Override
public void onInactive() {
if (audioLine != null) {
audioLine.flush();
audioLine.close();
audioLine = null;
}
}
public static SourceDataLine getSourceDataLine(AudioFormat format, Mixer.Info mixerinfo)
throws LineUnavailableException {
SourceDataLine line =
(SourceDataLine) getMixer(mixerinfo).getLine(new Line.Info(SourceDataLine.class));
line.open(format);
return line;
}
public void activate() {
active = true;
microphone.flush();
speaker.flush();
speaker.start();
blocker.release();
microphone.start();
microphone.flush();
}
public void writeNote(double frequency) {
byte[] b = new byte[sampleRate];
for (int i = 0; i < b.length; i++) {
double r = i / (sampleRate / frequency);
b[i] = (byte) ((Math.round(r) % 2 == 0) ? 100 : -100);
}
// 再生(バイト列をlineに書き込む)
line.write(b, 0, b.length);
line.drain(); // 終了まで
}
public void unMute() {
if (audioLine == null) {
isMuted = false;
} else {
isMuted = false;
if (!audioLine.isControlSupported(BooleanControl.Type.MUTE)) return;
BooleanControl control = (BooleanControl) audioLine.getControl(BooleanControl.Type.MUTE);
control.setValue(false);
}
}
public void mute() {
if (audioLine == null) {
isMuted = true;
} else {
// when requesting the same line you sometimes get different features
isMuted = true;
if (!audioLine.isControlSupported(BooleanControl.Type.MUTE)) return;
BooleanControl control = (BooleanControl) audioLine.getControl(BooleanControl.Type.MUTE);
control.setValue(true);
}
}
public boolean close() {
boolean res = true;
try {
sdl.stop();
sdl.close();
} catch (Exception e) {
Logger.warning("Could not close or stop SoundDataLine: " + sdl);
res = false;
}
opened = false;
return res;
}
public boolean open() {
boolean res = true;
opened = true;
try {
sdl.open(af);
sdl.start();
} catch (Exception e) {
res = false;
opened = false;
}
return res;
}
public Oscilator(int sampleRate) {
this.sampleRate = sampleRate;
// オーディオ形式を指定
AudioFormat af = new AudioFormat(sampleRate, 8, 1, true, true);
try {
DataLine.Info info = new DataLine.Info(SourceDataLine.class, af);
line = (SourceDataLine) AudioSystem.getLine(info);
line.open();
line.start();
} catch (LineUnavailableException e) {
e.printStackTrace();
}
}
public MakoVM(int[] m) {
this.m = m;
try {
AudioFormat format = new AudioFormat(8000f, 8, 1, false, false);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
soundLine = (SourceDataLine) AudioSystem.getLine(info);
soundLine.open(format, 670);
soundLine.start();
} catch (IllegalArgumentException e) {
System.out.println("Unable to initialize sound.");
} catch (LineUnavailableException e) {
e.printStackTrace();
}
}
public void tick() {
soundBuffer.clear();
// targetAmplitude = (targetAmplitude - 1) * 0.9f + 1;
// targetAmplitude = (targetAmplitude - 1) * 0.9f + 1;
synchronized (listenerMixer) {
float maxAmplitude = listenerMixer.read(leftBuf, rightBuf, rate);
// if (maxAmplitude > targetAmplitude) targetAmplitude = maxAmplitude;
}
soundBuffer.clear();
float gain = 32000;
for (int i = 0; i < bufferSize; i++) {
// amplitude += (targetAmplitude - amplitude) / rate;
// amplitude = 1;
// float gain = 30000;
int l = (int) (leftBuf[i] * gain);
int r = (int) (rightBuf[i] * gain);
if (l > 32767) l = 32767;
if (r > 32767) r = 32767;
if (l < -32767) l = -32767;
if (r < -32767) r = -32767;
soundBuffer.putShort((short) l);
soundBuffer.putShort((short) r);
}
sdl.write(soundBuffer.array(), 0, bufferSize * 2 * 2);
}
@Override
public void onVolumeChanged(short volume) {
log.info("apply_volume_callback");
log.debug("volume: " + volume);
if (audioLine == null) {
log.warn("audioLine not ready");
return;
}
FloatControl volumeControl = (FloatControl) audioLine.getControl(FloatControl.Type.MASTER_GAIN);
float maxDb = volumeControl.getMaximum();
log.debug("maxDb : " + maxDb);
float minDbOrig = volumeControl.getMinimum();
float minDb = minDbOrig + ((maxDb - minDbOrig) / 3);
log.debug("minDb : " + minDb);
float newVolume = 0;
float volumePercent = (float) (volume / 655.35);
if (volumePercent < 0) {
volumePercent = 100 + volumePercent;
}
log.debug("volume percent : " + volumePercent);
newVolume = (volumePercent * minDb / 100);
newVolume = (newVolume - minDb) * -1;
if (volume == 0) {
log.debug("volume 0, setting max");
newVolume = minDbOrig;
}
log.debug("newVolume : " + newVolume);
volumeControl.setValue(newVolume);
}
private void init() {
AudioFormat format = new AudioFormat((float) 44100, 16, 2, true, false);
try {
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
mainLine = (SourceDataLine) AudioSystem.getLine(info);
mainLine.open(format);
mainLine.start();
bufferLine = (SourceDataLine) AudioSystem.getLine(info);
bufferLine.open(format);
bufferLine.start();
} catch (LineUnavailableException e) {
e.printStackTrace();
}
}
public static void bang() throws LineUnavailableException, InterruptedException {
AudioFormat af =
new AudioFormat(
SAMPLE_RATE, // sampleRate
8, // sampleSizeInBits
1, // channels
true, // signed
false); // bigEndian
SourceDataLine sdl = AudioSystem.getSourceDataLine(af);
sdl.open(af);
sdl.start();
byte[] buf = new byte[1];
Random r = new Random();
boolean silence = true;
for (int i = 0; i < 8000; i++) {
while (r.nextInt() % 10 != 0) {
buf[0] =
silence
? 0
: (byte)
Math.abs(
r.nextInt()
% (int) (1. + 63. * (1. + Math.cos(((double) i) * Math.PI / 8000.))));
i++;
sdl.write(buf, 0, 1);
}
silence = !silence;
}
sdl.drain();
sdl.stop();
sdl.close();
}
public static void warp(int repeat) throws LineUnavailableException, InterruptedException {
AudioFormat af =
new AudioFormat(
SAMPLE_RATE, // sampleRate
8, // sampleSizeInBits
1, // channels
true, // signed
false); // bigEndian
SourceDataLine sdl = AudioSystem.getSourceDataLine(af);
sdl.open(af);
sdl.start();
byte[] buf = new byte[1];
int step;
for (int j = 0; j < repeat; j++) {
step = 25;
for (int i = 0; i < 2000; i++) {
if (i < 500) {
buf[0] = ((i % step > 0) ? 32 : (byte) 0);
if (i % 25 == 0) step--;
} else {
buf[0] = ((i % step > 0) ? 16 : (byte) 0);
if (i % 50 == 0) step++;
}
sdl.write(buf, 0, 1);
}
}
sdl.drain();
sdl.stop();
sdl.close();
}
/** 列に周波数とバイト列の長さ指定で形を書き込む */
public void writeNote(double frequency, int sampleCount) {
byte[] b = new byte[sampleRate];
double amplitude = sampleRate / frequency; // 波長
for (int i = 0; i < b.length; i++) {
double r = i / amplitude;
b[i] = (byte) ((Math.round(r) % 2 == 0) ? 100 : -100);
} // 再生(バイト列をlineに書き込む)
line.write(b, 0, b.length);
}
@Override
public void onActive() {
if (audioLine != null) audioLine.close();
try {
if (player.getMixer() != null) {
log.debug("Custom mixer " + player.getMixer().getName());
audioLine = AudioSystem.getSourceDataLine(PCM, player.getMixer());
} else {
audioLine = AudioSystem.getSourceDataLine(PCM);
}
audioLine.open(PCM, 1048576);
onVolumeChanged(player.getVolume());
if (isMuted && audioLine.isControlSupported(BooleanControl.Type.MUTE))
((BooleanControl) audioLine.getControl(BooleanControl.Type.MUTE)).setValue(true);
} catch (LineUnavailableException e) {
log.error("onActive error", e);
}
}
@Override
public void run() {
try {
AudioFormat format = settings.getAudioFormat();
DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class, format);
SourceDataLine speakers = (SourceDataLine) AudioSystem.getLine(dataLineInfo);
speakers.open(format);
speakers.start();
byte[] data = new byte[204800];
while (!Thread.interrupted()) {
int numBytesRead = receiver.getInputStream().read(data, 0, 1024);
log.debug("[Player] received {} bytes", numBytesRead);
speakers.write(data, 0, numBytesRead);
}
} catch (LineUnavailableException | IOException e) {
log.error("[Player] error occurred", e);
}
}
public void doFade(SourceDataLine line, final double to) {
final FloatControl gainControl = (FloatControl) line.getControl(FloatControl.Type.MASTER_GAIN);
new Thread(
new Runnable() {
@Override
public void run() {
fade(gainControl, to);
}
})
.start();
}
/** バイト列に周波数、ベロシティ指定で波形書き込む */
public void writeWave(byte[] b, double frequency, int velocity) {
double amplitude = sampleRate / frequency; // 波長
for (int i = 0; i < b.length; i++) {
double r = i / amplitude;
int v = (byte) ((Math.round(r) % 2 == 0) ? velocity : -velocity);
v += b[i];
v = Math.min(Math.max(v, -128), 127);
b[i] = (byte) v;
}
// 再生(バイト列をlineに書き込む)
line.write(b, 0, b.length);
}
