private synchronized void startSampled(AudioInputStream as, InputStream in)
throws UnsupportedAudioFileException, LineUnavailableException {
Info info = null;
DataPusher datapusher = null;
DataLine.Info lineinfo = null;
SourceDataLine sourcedataline = null;
// if ALAW or ULAW, we must convert....
as = Toolkit.getPCMConvertedAudioInputStream(as);
if (as == null) {
// could not convert
return;
}
lineinfo = new DataLine.Info(SourceDataLine.class, as.getFormat());
if (!(AudioSystem.isLineSupported(lineinfo))) {
return;
}
sourcedataline = (SourceDataLine) AudioSystem.getLine(lineinfo);
datapusher = new DataPusher(sourcedataline, as);
info = new Info(null, in, datapusher);
infos.addElement(info);
datapusher.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);
}
