public void close() throws IOException {
if (line.isActive()) {
line.flush();
line.stop();
}
line.close();
}
public int read(byte[] b, int off, int len) throws IOException {
// System.out.print("'"+len+"'");
try {
int ret = line.read(b, off, len);
// if (ret > 50 && DEBUG_TRANSPORT && !printedBytes) {
// printedBytes = true;
// out("AudioCapture: first bytes being captured:");
// String s = "";
// for (int i = 0; i < 50; i++) {
// s += " " + b[i];
// }
// out(s);
// }
if (isMuted()) {
muteBuffer(b, off, ret);
}
// run some simple analysis
if (ret > 0) {
calcCurrVol(b, off, ret);
}
return ret;
} catch (IllegalArgumentException e) {
throw new IOException(e.getMessage());
}
}
protected void openLineImpl() throws Exception {
TargetDataLine tdl = (TargetDataLine) line;
tdl.open(lineFormat, bufferSize);
ais = new TargetDataLineMeter(tdl);
ais = AudioSystem.getAudioInputStream(netFormat, ais);
}
public int available() throws IOException {
return line.available();
}
TargetDataLineMeter(TargetDataLine line) {
super(new ByteArrayInputStream(new byte[0]), line.getFormat(), AudioSystem.NOT_SPECIFIED);
this.line = line;
}