Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709),
  320x240 [SAR 1:1 DAR 4:3], 25 fps, 25 tbr, 90k tbn, 180k tbc
Stream #0:1: Audio: aac (LC), 16000 Hz, mono, fltp

recorder.setVideoCodec(28);
recorder.setFormat("mp4");
recorder.setPixelFormat(avutil.AV_PIX_FMT_YUVJ420P);
recorder.setFrameRate(FRAME_RATE);
recorder.setVideoBitrate(10 * 1024 *  1024);