{
  "queue": { "size": 8, "strategy": "drop_oldest" },
  "graphs": [
    {
      "name": "cam1_face_det_test",
      "nodes": [
        {
          "id": "in_cam1",
          "type": "input_rtsp",
          "role": "source",
          "enable": true,
          "url": "rtsp://10.0.0.5:8554/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_cam1",
          "type": "preprocess",
          "role": "filter",
          "enable": true,
          "dst_w": 640,
          "dst_h": 640,
          "dst_format": "rgb",
          "keep_ratio": false,
          "use_rga": true
        },
        {
          "id": "face_det_cam1",
          "type": "ai_face_det",
          "role": "filter",
          "enable": true,
          "model_path": "./models/RetinaFace_mobile320.rknn",
          "conf": 0.2,
          "nms": 0.4,
          "max_faces": 10,
          "output_landmarks": true,
          "input_format": "bgr",
          "face_class_index": -1
        },
        {
          "id": "osd_cam1",
          "type": "osd",
          "role": "filter",
          "enable": true,
          "draw_bbox": true,
          "draw_text": true,
          "draw_face_det": true,
          "line_width": 2,
          "font_scale": 1,
          "labels": []
        },
        {
          "id": "post_cam1",
          "type": "preprocess",
          "role": "filter",
          "enable": true,
          "dst_w": 1280,
          "dst_h": 720,
          "dst_format": "nv12",
          "keep_ratio": false,
          "use_rga": true
        },
        {
          "id": "pub_cam1",
          "type": "publish",
          "role": "filter",
          "enable": true,
          "codec": "h264",
          "fps": 30,
          "gop": 60,
          "bitrate_kbps": 2000,
          "use_mpp": true,
          "use_ffmpeg_mux": true,
          "outputs": [
            { "proto": "rtsp_server", "port": 8555, "path": "/live/cam1_face_det" },
            { "proto": "hls", "path": "./web/hls/cam1_face_det/index.m3u8", "segment_sec": 2 }
          ]
        }
      ],
      "edges": [
        ["in_cam1", "pre_cam1"],
        ["pre_cam1", "face_det_cam1"],
        ["face_det_cam1", "osd_cam1"],
        ["osd_cam1", "post_cam1"],
        ["post_cam1", "pub_cam1"]
      ]
    }
  ]
}