{
  "queue": {
    "size": 8,
    "strategy": "drop_oldest"
  },
  "graphs": [
    {
      "name": "shoe_detector",
      "nodes": [
        {
          "id": "in",
          "type": "input_rtsp",
          "role": "source",
          "enable": true,
          "url": "rtsp://10.0.0.49:8554/cam",
          "fps": 30,
          "width": 1920,
          "height": 1080,
          "use_mpp": true,
          "force_tcp": true
        },
        {
          "id": "pre",
          "type": "preprocess",
          "role": "filter",
          "enable": true,
          "dst_w": 1920,
          "dst_h": 1080,
          "dst_format": "rgb",
          "resize_mode": "stretch",
          "rga_gate": "shoe_detector",
          "use_rga": true
        },
        {
          "id": "shoe_det",
          "type": "ai_shoe_det",
          "role": "filter",
          "enable": true,
          "model_path": "./models/shoe_detector_openimages_ppe_v1.rknn",
          "model_w": 640,
          "model_h": 640,
          "conf": 0.35,
          "nms": 0.45,
          "windows": [
            {"x": 0, "y": 0, "w": 960, "h": 1080},
            {"x": 960, "y": 0, "w": 960, "h": 1080}
          ]
        },
        {
          "id": "trk",
          "type": "tracker",
          "role": "filter",
          "enable": true,
          "mode": "bytetrack_lite",
          "per_class": true,
          "track_classes": [0],
          "max_age_ms": 1500,
          "min_hits": 2
        },
        {
          "id": "osd",
          "type": "osd",
          "role": "filter",
          "enable": true,
          "draw_bbox": true,
          "draw_text": true,
          "use_rga_bbox": false,
          "labels": ["shoe"]
        },
        {
          "id": "post",
          "type": "preprocess",
          "role": "filter",
          "enable": true,
          "dst_w": 1920,
          "dst_h": 1080,
          "dst_format": "nv12",
          "resize_mode": "stretch",
          "rga_gate": "shoe_detector",
          "use_rga": true
        },
        {
          "id": "pub",
          "type": "publish",
          "role": "filter",
          "enable": true,
          "codec": "h264",
          "fps": 30,
          "bitrate_kbps": 2000,
          "use_mpp": true,
          "outputs": [
            {"proto": "rtsp_server", "port": 8555, "path": "/live/cam1"}
          ]
        }
      ],
      "edges": [
        ["in", "pre"],
        ["pre", "shoe_det"],
        ["shoe_det", "trk"],
        ["trk", "osd"],
        ["osd", "post"],
        ["post", "pub"]
      ]
    }
  ]
}