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;
}
TargetDataLineMeter(TargetDataLine line) {
super(new ByteArrayInputStream(new byte[0]), line.getFormat(), AudioSystem.NOT_SPECIFIED);
this.line = line;
}