Mqtt任务数据订阅 - 知眸开放平台

任务开启后通过指定topic订阅任务状态数据

开放平台mqtt服务

字段名	默认值	说明
tcp协议地址	tcp://开放平台ip:11883	tcp协议
ws协议地址	ws://开放平台ip:18083/mqtt	ws协议
username	openapi	-
password	openapi@zhimou	-
client_id	-	除了openapi_client, 任意字符串
topic	/openapi/event	-

任务开启后发布 event = start

{
    "zapk_id": "8yhnycpd",
    "business_id": "",
    "device_id": "",
    "event": "start",
    "task_id": "1720147528_1",
    "timestamp": 1720147545546
}

视频分析任务识别数据发布 event = frame

{
    "zapk_id": "8yhnycpd",
    "business_id": "",
    "device_id": "",
    "data": {
        "frame": {
            "height": 1080,
            "id": 374,
            "width": 1920,
            "enhance": 0
        },
        "apps": [
            {
                "app_id": "rja1t",
                "app_name": "人员识别",
                "objects": [
                    {
                        "class_id": "UgaHVjByWR2OYc",
                        "name": "",
                        "color": "#ffffff",
                        "x": 1100,
                        "y": 539,
                        "track_id": "3ydpyz",
                        "confidence": 0.25,
                        "attr": {
                            "name": "人",
                            "text": "",
                            "box": {
                                "x": 0,
                                "y": 0,
                                "w": 1,
                                "h": 1
                            },
                        },
                        "description": "人"
                    }
                ],
                "description": "图片描述"
            }
        ],
        "dump": "",
        "close_code": 0
    },
    "event": "frame",
    "task_id": "1720147528_1",
    "timestamp": 1720147545546
}

任务结束后发布 event = stop

{
    "zapk_id": "8yhnycpd",
    "business_id": "",
    "device_id": "",
    "event": "stop",
    "task_id": "1720147528_1",
    "timestamp": 1720147545546
}

视频任务补黑帧开始 event = dummy_frame_start

{
    "zapk_id": "8yhnycpd",
    "business_id": "",
    "device_id": "",
    "event": "dummy_frame_start",
    "task_id": "1720147528_1",
    "timestamp": 1720147545546
}

视频任务补黑帧结束 event = dummy_frame_stop

{
    "zapk_id": "8yhnycpd",
    "business_id": "",
    "device_id": "",
    "event": "dummy_frame_stop",
    "task_id": "1720147528_1",
    "timestamp": 1720147545546
}