{
  "manifest_format": 1,
  "id": "demo.person-count",
  "name": "人员计数（示例算法包）",
  "version": "1.0.0",
  "api_version": 1,
  "kind": "counter",
  "entry": "Algorithm",
  "code_package": "alg_demo_person_count",
  "vendor": "chongming",
  "description": "画面人员计数示例包（M8.2/M8.4）：自带推理实现（不依赖 worker 内部模块），只用到 video_algpkg_api 的 ctx.model_bytes/param 与 AlgoResult；输出人数（counts/value）与人员框，用于验证\"一个任务挂多个算法\"。",
  "models": [
    {
      "name": "yolo26s_fp16_1b",
      "file": "models/yolo26s_fp16_1b.bmodel",
      "precision": "fp16",
      "resolution": [640, 640],
      "batch": 1,
      "default": true
    }
  ],
  "input": {"width": 640, "height": 640, "color": "rgb", "layout": "planar",
            "mean": [0, 0, 0], "std": [255, 255, 255]},
  "output": {"type": "counter", "format": "N6", "classes_file": "assets/labels.txt"},
  "params_schema": [
    {"key": "conf", "type": "float", "default": 0.3, "min": 0.01, "max": 0.99, "step": 0.01,
     "label": "人员置信度阈值", "desc": "低于该分数的人员不计入"},
    {"key": "min_height", "type": "int", "default": 0, "min": 0, "max": 2000, "step": 10,
     "label": "最小人高（像素）", "desc": "过滤远处的误检（0 = 不过滤）"},
    {"key": "interval", "type": "float", "default": 0.5, "min": 0.02, "max": 60, "step": 0.02,
     "label": "抽帧间隔（秒）", "desc": "计数类算法可放慢，省算力"},
    {"key": "draw", "type": "bool", "default": false,
     "label": "绘制叠加", "desc": "把人员框画到输出帧上"}
  ],
  "defaults": {"conf": 0.3, "min_height": 0, "interval": 0.5, "draw": false},
  "alarm": {"type_template": "person_count", "cooldown_key": "algo",
            "need_snapshot": true, "need_record": false},
  "requires": {"license_features": [], "devices": ["BM1688", "BM1684X", "CV186X"], "frameworks": ["sail"]},
  "ui": {"order": 20, "tags": ["示例", "计数"], "icon": "mdi-account-multiple"},
  "legacy": {}
}