JavaSoundAudioDevice.java 文件源码

@Override
public void start() {
    DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
    if (!AudioSystem.isLineSupported(info)) {
        // Handle the error.
        logger.severe("JavaSoundInputStream - not supported." + format);
    } else {
        try {
            line = (TargetDataLine) getDataLine(info);
            int bufferSize = calculateBufferSize(suggestedInputLatency);
            line.open(format, bufferSize);
            logger.fine("Input buffer size = " + bufferSize + " bytes.");
            line.start();
        } catch (Exception e) {
            e.printStackTrace();
            line = null;
        }
    }
}