{
  "queue": {
    "size": 8,
    "strategy": "drop_oldest"
  },
  "graphs": [
    {
      "name": "test_face_only",
      "nodes": [
        {
          "id": "in_cam",
          "type": "input_rtsp",
          "role": "source",
          "enable": true,
          "url": "rtsp://10.0.0.49:8554/cam",
          "fps": 30,
          "width": 1280,
          "height": 720,
          "use_mpp": true,
          "use_ffmpeg": false,
          "force_tcp": true,
          "reconnect_sec": 5,
          "reconnect_backoff_max_sec": 30
        },
        {
          "id": "pre",
          "type": "preprocess",
          "role": "filter",
          "enable": true,
          "dst_w": 1024,
          "dst_h": 1024,
          "dst_format": "rgb",
          "dst_packed": true,
          "resize_mode": "stretch",
          "keep_ratio": false,
          "use_rga": true
        },
        {
          "id": "face_det",
          "type": "ai_scrfd",
          "role": "filter",
          "enable": true,
          "model_path": "./models/face_det_scrfd_500m_640_rk3588.rknn",
          "conf_thresh": 0.05,
          "nms_thresh": 0.4,
          "max_faces": 5,
          "output_landmarks": true,
          "input_format": "rgb"
        },
        {
          "id": "osd",
          "type": "osd",
          "role": "filter",
          "enable": true,
          "draw_bbox": false,
          "draw_text": true,
          "draw_face_det": true,
          "draw_face_bbox": true,
          "use_rga_bbox": false,
          "line_width": 2,
          "font_scale": 1,
          "labels": []
        },
        {
          "id": "post",
          "type": "preprocess",
          "role": "filter",
          "enable": true,
          "dst_w": 1280,
          "dst_h": 720,
          "dst_format": "nv12",
          "resize_mode": "stretch",
          "use_rga": true
        },
        {
          "id": "pub",
          "type": "publish",
          "role": "sink",
          "enable": true,
          "codec": "h264",
          "fps": 30,
          "gop": 60,
          "bitrate_kbps": 2000,
          "use_mpp": true,
          "use_ffmpeg_mux": true,
          "outputs": [
            {
              "proto": "hls",
              "path": "./web/hls/test_face/index.m3u8",
              "segment_sec": 2
            },
            {
              "proto": "rtsp_server",
              "port": 8555,
              "path": "/live/test_face"
            }
          ]
        }
      ],
      "edges": [
        ["in_cam", "pre"],
        ["pre", "face_det"],
        ["face_det", "osd"],
        ["osd", "post"],
        ["post", "pub"]
      ]
    }
  ]
}