GSpeechDuplex.java 文件源码

/**
 * Streams data from the TargetDataLine to the API.
 * 
 * @param urlStr
 *            The URL to stream to
 * @param tl
 *            The target data line to stream from.
 * @param af
 *            The AudioFormat to stream with.`
 * @throws LineUnavailableException
 *             If cannot open or stream the TargetDataLine.
 */
private Thread upChannel(String urlStr , TargetDataLine tl , AudioFormat af) throws LineUnavailableException {
    final String murl = urlStr;
    final TargetDataLine mtl = tl;
    final AudioFormat maf = af;
    if (!mtl.isOpen()) {
        mtl.open(maf);
        mtl.start();
    }
    Thread upChannelThread = new Thread("Upstream Thread") {
        public void run() {
            openHttpsPostConnection(murl, mtl, (int) maf.getSampleRate());
        }
    };
    upChannelThread.start();
    return upChannelThread;

}