gsd_cn/source/CNStream/configs/sinker_configs/encode_jpeg.json

{
  "encode" : {
    "class_name" : "cnstream::Encode",
    "parallelism" : 1,
    "max_input_queue_size" : 10,
    "custom_params" : {
      "encoder_type" : "cpu",
      "input_frame" : "cpu",
      "file_name" : "output/output.jpeg",
      "device_id": 0
    }
  }
}