增加了通过网络主动上报图像的支持
增加了指令维护通道的支持
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174
SHH.Contracts/Commands/CameraConfigDto.cs
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174
SHH.Contracts/Commands/CameraConfigDto.cs
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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namespace SHH.Contracts
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{
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// ==============================================================================
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// 1. 物理与运行配置 DTO (对应 CRUD 操作)
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// 用于设备新增/全量配置查询,包含基础身份、连接信息、运行参数等全量字段
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// ==============================================================================
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public class CameraConfigDto
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{
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// --- 基础身份 (Identity) ---
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/// <summary>
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/// 设备唯一标识
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/// </summary>
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[Required(ErrorMessage = "设备ID不能为空")]
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[Range(1, long.MaxValue, ErrorMessage = "设备ID必须为正整数")]
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public long Id { get; set; }
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/// <summary>
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/// 设备友好名称
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/// </summary>
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[MaxLength(64, ErrorMessage = "设备名称长度不能超过64个字符")]
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public string Name { get; set; }
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/// <summary>
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/// 摄像头品牌类型 (0:HikVision, 1:Dahua, 2:RTSP...)
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/// </summary>
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[Range(0, 10, ErrorMessage = "品牌类型值必须在0-10范围内")]
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public int Brand { get; set; }
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/// <summary>
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/// 设备安装位置描述
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/// </summary>
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[MaxLength(128, ErrorMessage = "安装位置长度不能超过128个字符")]
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public string Location { get; set; }
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// --- 主板关联信息 (Metadata) ---
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/// <summary>
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/// 关联主板IP地址
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/// </summary>
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[RegularExpression(@"^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)?$",
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ErrorMessage = "请输入合法的IPv4地址")]
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public string MainboardIp { get; set; } = string.Empty;
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/// <summary>
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/// 关联主板端口
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/// </summary>
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[Range(0, 65535, ErrorMessage = "主板端口号必须在1-65535范围内")]
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public int MainboardPort { get; set; } = 0;
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// --- 核心连接 (Connectivity) - 修改此类参数触发冷重启 ---
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/// <summary>
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/// 摄像头IP地址
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/// </summary>
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[Required(ErrorMessage = "IP地址不能为空")]
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[RegularExpression(@"^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$",
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ErrorMessage = "请输入合法的IPv4地址")]
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public string IpAddress { get; set; }
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/// <summary>
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/// 登录用户名
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/// </summary>
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[MaxLength(32, ErrorMessage = "用户名长度不能超过32个字符")]
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public string Username { get; set; }
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/// <summary>
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/// 登录密码
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/// </summary>
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[MaxLength(64, ErrorMessage = "密码长度不能超过64个字符")]
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public string Password { get; set; }
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/// <summary>
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/// SDK端口 (如海康默认8000)
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/// </summary>
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[Range(1, 65535, ErrorMessage = "端口号必须在1-65535范围内")]
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public ushort Port { get; set; }
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/// <summary>
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/// 通道号 (通常为1)
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/// </summary>
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[Range(0, 256, ErrorMessage = "通道号必须在0-256范围内")]
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public int ChannelIndex { get; set; }
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/// <summary>
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/// 码流类型 (0:主码流, 1:子码流)
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/// </summary>
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[Range(0, 1, ErrorMessage = "码流类型只能是0(主码流)或1(子码流)")]
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public int StreamType { get; set; }
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// 渲染句柄 (通常下发时为0,由本地窗口绑定时再指定,或者此处仅作占位)
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public long RenderHandle { get; set; }
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/// <summary>
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/// RTSP流路径 (备用或非SDK模式使用)
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/// </summary>
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[MaxLength(256, ErrorMessage = "RTSP地址长度不能超过256个字符")]
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public string RtspPath { get; set; }
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// --- 运行时参数 (Runtime Options) - 支持热更新 ---
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/// <summary>
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/// 是否使用灰度图 (用于AI分析场景加速)
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/// </summary>
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public bool UseGrayscale { get; set; } = false;
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/// <summary>
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/// 是否启用图像增强 (去噪/锐化等)
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/// </summary>
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public bool EnhanceImage { get; set; } = true;
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// --- 画面变换 (Transform) - 支持热更新 ---
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/// <summary>
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/// 是否允许图像压缩 (降低带宽占用)
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/// </summary>
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public bool AllowCompress { get; set; } = true;
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/// <summary>
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/// 是否允许图像放大 (提升渲染质量)
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/// </summary>
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public bool AllowExpand { get; set; } = false;
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/// <summary>
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/// 目标分辨率 (格式如 1920x1080,空则保持原图)
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/// </summary>
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[RegularExpression(@"^\d+x\d+$", ErrorMessage = "分辨率格式必须为 宽度x高度 (如 1920x1080)")]
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public string TargetResolution { get; set; } = string.Empty;
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/// <summary>
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/// 随配置一并下发的自动订阅请求
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/// </summary>
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public List<CameraConfigSubscribeDto> AutoSubscriptions { get; set; }
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= new List<CameraConfigSubscribeDto>();
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/// <summary>
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/// 是否立即执行
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/// </summary>
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public bool ImmediateExecution { get; set; }
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}
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/// <summary>
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/// 订阅项
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/// </summary>
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public class CameraConfigSubscribeDto
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{
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/// <summary>
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/// 订阅标识
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/// </summary>
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public string AppId { get; set; }
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/// <summary>
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/// 订阅业务类型 SubscriptionType
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/// </summary>
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public int Type { get; set; }
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/// <summary>
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/// 要求的帧率:8帧或1帧
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/// </summary>
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public int TargetFps { get; set; }
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/// <summary>
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/// 备注
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/// </summary>
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public string Memo { get; set; }
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/// <summary>
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/// 是否需要高清晰度
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/// </summary>
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public bool NeedHighDefinition { get; set; }
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= false;
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}
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}
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@@ -6,6 +6,7 @@
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<ItemGroup>
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<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
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<PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
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</ItemGroup>
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</Project>
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@@ -1,120 +1,81 @@
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using System;
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using System.Collections.Generic;
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using Newtonsoft.Json;
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// 注意:如果不想依赖 Newtonsoft,也可以用 System.Text.Json,但 Newtonsoft 在 Std 2.0 中兼容性更好
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namespace SHH.Contracts
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{
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/// <summary>
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/// 视频数据传输契约(增强版)
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/// 视频数据传输契约(纯净版 POCO)
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/// </summary>
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public class VideoPayload
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{
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/// <summary>
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/// 初始化 <see cref="VideoPayload"/> 类的新实例。
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/// </summary>
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public VideoPayload()
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{
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// 预分配一个容量为 16 的列表,以减少内存分配和垃圾回收的压力。
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SubscriberIds = new List<string>(16);
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Diagnostics = new Dictionary<string, object>(4);
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}
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#region --- 元数据 (Metadata) ---
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#region --- 1. 元数据 (Metadata) ---
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/// <summary>
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/// 获取订阅了此帧数据的客户端ID列表。
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/// </summary>
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public List<string> SubscriberIds { get; }
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/// <summary>
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/// 获取或设置摄像头的唯一标识符。
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/// </summary>
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public string CameraId { get; set; }
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/// <summary>
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/// 获取或设置图像的采集时间,即从SDK获取到图像数据的时间。
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/// 采集时间戳 (Unix 毫秒)
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/// </summary>
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public DateTime CaptureTime { get; set; }
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public long CaptureTimestamp { get; set; }
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/// <summary>
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/// 获取或设置图像的分发时间,即服务器准备将此帧数据发送给客户端的时间。
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/// 分发时间戳 (Unix 毫秒)
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/// </summary>
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public DateTime DispatchTime { get; set; }
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public long DispatchTimestamp { get; set; }
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/// <summary>
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/// 获取或设置图像的原始宽度。
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/// </summary>
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public int OriginalWidth { get; set; }
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/// <summary>
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/// 获取或设置图像的原始高度。
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/// </summary>
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public int OriginalHeight { get; set; }
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/// <summary>
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/// 获取或设置经过处理后的目标图像宽度。
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/// </summary>
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public int TargetWidth { get; set; }
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public int TargetHeight { get; set; }
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public List<string> SubscriberIds { get; }
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public Dictionary<string, object> Diagnostics { get; }
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/// <summary>
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/// 获取或设置经过处理后的目标图像高度。
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/// 指示标志:是否存在原始图
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/// </summary>
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public int TargetHeight { get; set; }
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public bool HasOriginalImage { get; set; }
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/// <summary>
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/// 指示标志:是否存在处理图
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/// </summary>
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public bool HasTargetImage { get; set; }
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#endregion
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#region --- 核心二进制数据 ---
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#region --- 2. 二进制数据 (Binary) ---
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/// <summary>
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/// 获取或设置原始图像的二进制数据(例如,从SDK直接获取的JPG或YUV数据)。
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/// 此属性被标记为 <see cref="JsonIgnore"/>,以防止在序列化元数据时将其包含在内,从而避免严重的性能问题。
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/// </summary>
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// 标记 JsonIgnore,防止被错误序列化
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[JsonIgnore]
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public byte[] OriginalImageBytes { get; set; }
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/// <summary>
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/// 获取或设置经过处理后的目标图像的二进制数据(例如,经过缩放、画框或其他AI处理后的图像)。
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/// 此属性可为空,表示此帧可能只包含原始图像或没有图像数据。
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/// 同样,此属性也被标记为 <see cref="JsonIgnore"/>。
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/// </summary>
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[JsonIgnore]
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public byte[] TargetImageBytes { get; set; }
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#endregion
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#region --- 序列化与反序列化辅助方法 ---
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#region --- 3. 辅助方法 (仅保留 JSON 逻辑) ---
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/// <summary>
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/// 将当前对象的元数据序列化为一个纯净的 JSON 字符串。
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/// 此方法会自动忽略所有二进制数据(<see cref="OriginalImageBytes"/> 和 <see cref="TargetImageBytes"/>)。
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/// 获取纯元数据的 JSON 字符串
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/// </summary>
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/// <returns>包含元数据的 JSON 字符串。</returns>
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public string GetMetadataJson()
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{
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// 创建一个匿名对象,该对象仅包含需要被序列化的元数据字段。
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// 这比直接序列化整个对象更安全、更高效。
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var metadata = new
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{
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CameraId,
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CaptureTime,
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DispatchTime,
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OriginalWidth,
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OriginalHeight,
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TargetWidth,
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TargetHeight,
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SubscriberIds,
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// 附加一个标志,指示此载荷中是否包含目标图像数据,以便接收端进行判断。
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HasTargetImage = (TargetImageBytes != null && TargetImageBytes.Length > 0)
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};
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return JsonConvert.SerializeObject(metadata);
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// 在序列化前自动更新标志位,防止逻辑不同步
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this.HasOriginalImage = (OriginalImageBytes != null && OriginalImageBytes.Length > 0);
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this.HasTargetImage = (TargetImageBytes != null && TargetImageBytes.Length > 0);
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return JsonConvert.SerializeObject(this);
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}
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/// <summary>
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/// 从一个 JSON 字符串反序列化,创建一个新的 <see cref="VideoPayload"/> 对象。
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/// 注意:反序列化后,对象中的二进制图像数据(<see cref="OriginalImageBytes"/> 和 <see cref="TargetImageBytes"/>)将为 null,
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/// 需要在后续步骤中手动填充。
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/// </summary>
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/// <param name="json">包含元数据的 JSON 字符串。</param>
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/// <returns>一个新的 <see cref="VideoPayload"/> 对象,其元数据已填充。</returns>
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public static VideoPayload FromMetadataJson(string json)
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{
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return JsonConvert.DeserializeObject<VideoPayload>(json);
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