private void initLiveStream() throws FrameRecorder.Exception {
    /* ~~~ https://github.com/bytedeco/javacv/issues/598 ~~~ */
    frameRecorder = new FFmpegFrameRecorder("http://localhost:9090", imageWidth, imageHeight, 0);
    frameRecorder.setVideoOption("preset", "ultrafast");
    frameRecorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
    frameRecorder.setAudioCodec(0);
    frameRecorder.setPixelFormat(avutil.AV_PIX_FMT_YUV420P);
    frameRecorder.setFormat("webm");
    frameRecorder.setGopSize(10);
    frameRecorder.setFrameRate(frameRate);
    frameRecorder.setVideoBitrate(5000);
    frameRecorder.setOption("content_type","video/webm");
    frameRecorder.setOption("listen", "1");
    frameRecorder.start();
}

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
    Camera.Size size = camera.getParameters().getPreviewSize();
    Frame frame = new AndroidFrameConverter().convert(data, size.width, size.height);
    try {
         if(frameRecorder!=null){
             frameRecorder.record(frame);
         }
     } catch (FrameRecorder.Exception e) {
         e.printStackTrace();
     }
 }

org.bytedeco.javacv.FrameRecorder$Exception: avio_open error() error -111: Could not open 'http://localhost:9090'