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();
}
public void deactivate() {
active = false;
microphone.stop();
microphone.flush();
speaker.stop();
speaker.flush();
}
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 static void tone(int hz, int msecs, double vol) throws LineUnavailableException {
byte[] buf = new byte[1];
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();
for (int i = 0; i < msecs * 8; i++) {
double angle = i / (SAMPLE_RATE / hz) * 2.0 * Math.PI;
buf[0] = (byte) (Math.sin(angle) * 127.0 * vol);
sdl.write(buf, 0, 1);
}
sdl.drain();
sdl.stop();
sdl.close();
}
public void run() {
try {
AudioFormat audioFormat = audioInputStream.getFormat();
DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class, audioFormat);
SourceDataLine sourceDataLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo);
sourceDataLine.open(audioFormat);
sourceDataLine.start();
int cnt;
while ((cnt = audioInputStream.read(tempBuffer, 0, tempBuffer.length)) != -1) {
if (cnt > 0) {
sourceDataLine.write(tempBuffer, 0, cnt);
}
}
sourceDataLine.drain();
sourceDataLine.stop();
sourceDataLine.close();
sourceDataLine.close();
audioInputStream.close();
} catch (Exception e) {
System.out.println("jMusic AudioFilePlayThread error");
e.printStackTrace();
}
}
/** Close standard audio. */
public static void close() {
line.drain();
line.stop();
}
/** Write data to the source data line. */
public void run() {
byte[] buffer = null;
boolean useStream = (ais != null);
if (useStream) {
buffer = new byte[BUFFER_SIZE];
} else {
buffer = audioData;
}
while (wantedState != STATE_STOPPING) {
// try {
if (wantedState == STATE_WAITING) {
// wait for 5 seconds - maybe the clip is to be played again
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): waiting 5 seconds");
try {
synchronized (this) {
threadState = STATE_WAITING;
wantedState = STATE_STOPPING;
wait(AUTO_CLOSE_TIME);
}
} catch (InterruptedException ie) {
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): waiting finished");
continue;
}
if (newPos >= 0) {
pos = newPos;
newPos = -1;
}
threadState = STATE_PLAYING;
int toWrite = BUFFER_SIZE;
if (useStream) {
try {
pos = 0; // always write from beginning of buffer
// don't use read(byte[]), because some streams
// may not override that method
toWrite = ais.read(buffer, 0, buffer.length);
} catch (java.io.IOException ioe) {
// end of stream
toWrite = -1;
}
} else {
if (toWrite > audioDataByteLength - pos) {
toWrite = audioDataByteLength - pos;
}
if (toWrite == 0) {
toWrite = -1; // end of "stream"
}
}
if (toWrite < 0) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): Found end of stream");
if (!useStream && looping) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): setting pos back to 0");
pos = 0;
continue;
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): calling drain()");
wantedState = STATE_WAITING;
source.drain();
continue;
}
if (DEBUG || Printer.debug)
Printer.debug("> DataPusher.run(): Writing " + toWrite + " bytes");
int bytesWritten = source.write(buffer, pos, toWrite);
pos += bytesWritten;
if (DEBUG || Printer.debug)
Printer.debug("< DataPusher.run(): Wrote " + bytesWritten + " bytes");
}
threadState = STATE_STOPPING;
if (DEBUG || Printer.debug) Printer.debug("DataPusher: closing device");
if (Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.stop()");
source.stop();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.close()");
source.close();
threadState = STATE_STOPPED;
synchronized (this) {
pushThread = null;
notifyAll();
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher:end of thread");
}
