745 lines
33 KiB
C#
745 lines
33 KiB
C#
using Ayay.SerilogLogs;
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using Lennox.LibYuvSharp;
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using OpenCvSharp;
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using Serilog;
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using SHH.CameraSdk.HikFeatures;
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using System.Runtime.ExceptionServices;
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using System.Security;
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namespace SHH.CameraSdk;
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/// <summary>
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/// [海康驱动] 工业级视频源实现 V3.5.0 (运维增强版)
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/// <para>技术支撑：基于 Hikvision CH-NetSDK V6.1.x 开发</para>
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/// <para>核心职责：深度封装海康私有协议，实现从原始私有码流到 BGR 零拷贝帧池的高性能转换与分发</para>
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/// 关键修复与增强记录：
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/// <para>✅ 1. [Fix Bug Z] 架构修正：移除子类冗余的 Controller 定义，强制复用基类 <see cref="BaseVideoSource.Controller"/>，彻底修复多路并发下的 FPS 流控失效问题</para>
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/// <para>✅ 2. [Feat A] 热更新支持：重写 <see cref="OnApplyOptions"/>，实现码流类型(Main/Sub)与渲染句柄的动态热切换，无需重启设备链路即可生效</para>
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/// <para>✅ 3. [Feat B] 运维集成：全链路接入 <see cref="BaseVideoSource.AddAuditLog"/>，将登录、取流、重连及 SDK 报警实时推送至 Web 运维仪表盘</para>
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/// <para>✅ 4. [Feat C] 性能优化：在解码回调中使用 <see cref="Monitor.TryEnter"/> 竞争锁，有效规避在设备断开瞬间可能产生的驱动层死锁</para>
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/// </summary>
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public class HikVideoSource : BaseVideoSource,
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IHikContext, ITimeSyncFeature, IRebootFeature, IPtzFeature
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{
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#region --- 1. 静态资源与全局路由 (Static Resources) ---
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/// <summary> 海康 SDK 专用日志实例 </summary>
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protected override ILogger _sdkLog => Log.ForContext("SourceContext", LogModules.HikVisionSdk);
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/// <summary> 全局句柄映射表：用于静态异常回调分发至具体实例 </summary>
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private static readonly ConcurrentDictionary<int, HikVideoSource> _instances = new();
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/// <summary> 静态异常回调委托引用 </summary>
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private static readonly HikNativeMethods.EXCEPTION_CALLBACK _globalExceptionCallback = StaticOnSdkException;
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/// <summary> 全局播放端口抢占锁 </summary>
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private static readonly object _globalPortLock = new();
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#endregion
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#region --- 2. 实例成员与组件引用 (Instance Members) ---
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// 协议功能组件
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private readonly HikTimeSyncProvider _timeProvider;
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private readonly HikRebootProvider _rebootProvider;
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private readonly HikPtzProvider _ptzProvider;
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// SDK 句柄与资源
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private int _userId = -1; // SDK 登录句柄
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private int _realPlayHandle = -1; // 预览句柄
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private int _playPort = -1; // 播放端口
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// 同步控制
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private readonly object _initLock = new(); // 登录句柄初始化锁
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private readonly object _bufferLock = new(); // 帧缓冲锁
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private volatile int _connectionEpoch = 0; // 连接轮询版本号
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// 回调委托（强引用防止GC回收）
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private readonly HikNativeMethods.REALDATACALLBACK _realDataCallBack;
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private readonly HikPlayMethods.DECCBFUN _decCallBack;
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// 图像处理资源, 内存复用对象
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private Mat? _sharedYuvMat;
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private Mat? _sharedBgrMat;
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private FramePool? _framePool;
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private bool _isPoolReady = false;
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#endregion
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#region --- 3. 构造函数 (Constructor) ---
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/// <summary>
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/// 海康视频源实现
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/// </summary>
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/// <param name="config"></param>
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public HikVideoSource(VideoSourceConfig config) : base(config)
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{
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// 初始化组件，将 "this" 作为上下文传进去
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_timeProvider = new HikTimeSyncProvider(this);
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_rebootProvider = new HikRebootProvider(this);
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_ptzProvider = new HikPtzProvider(this);
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// Modified: [Fix GC Crash] 移除此处的 new REALDATACALLBACK
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// 直接使用构造函数初始化的 _realDataCallBack，保证委托地址在整个对象生命周期内不变
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_realDataCallBack = new HikNativeMethods.REALDATACALLBACK(SafeOnRealDataReceived);
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_decCallBack = new HikPlayMethods.DECCBFUN(SafeOnDecodingCallBack);
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}
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#endregion
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#region --- 4. 接口实现：IHikContext & Features (Interface Impls) ---
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/// <summary>
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/// 获取登录句柄
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/// </summary>
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/// <returns></returns>
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public int GetUserId() => _userId; // 暴露父类或私有的 _userId
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/// <summary>
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/// 获取设备IP
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/// </summary>
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/// <returns></returns>
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public string GetDeviceIp() => Config.IpAddress;
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/// <summary>
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/// 核心逻辑：全部委托给 _timeProvider 处理，自己不写一行逻辑
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/// </summary>
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/// <returns></returns>
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public Task<DateTime> GetTimeAsync() => _timeProvider.GetTimeAsync();
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/// <summary>
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/// 设置设备时间
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/// </summary>
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/// <param name="time"></param>
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/// <returns></returns>
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public Task SetTimeAsync(DateTime time) => _timeProvider.SetTimeAsync(time);
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/// <summary>
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/// 重启设备
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/// </summary>
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/// <returns></returns>
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public Task RebootAsync() => _rebootProvider.RebootAsync();
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/// <summary>
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/// PTZ 控制
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/// </summary>
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/// <param name="action"></param>
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/// <param name="stop"></param>
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/// <param name="speed"></param>
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/// <returns></returns>
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public Task PtzControlAsync(PtzAction action, bool stop, int speed = 4)
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=> _ptzProvider.PtzControlAsync(action, stop, speed);
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/// <summary>
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/// PTZ 步长
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/// </summary>
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/// <param name="action"></param>
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/// <param name="durationMs"></param>
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/// <param name="speed"></param>
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/// <returns></returns>
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public Task PtzStepAsync(PtzAction action, int durationMs, int speed = 4)
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=> _ptzProvider.PtzStepAsync(action, durationMs, speed);
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#endregion
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#region --- 5. 生命周期重写 (Lifecycle Overrides) ---
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/// <summary>
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/// 启动逻辑
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/// </summary>
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/// <param name="token"></param>
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/// <returns></returns>
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/// <exception cref="CameraException"></exception>
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/// <exception cref="OperationCanceledException"></exception>
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protected override async Task OnStartAsync(CancellationToken token)
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{
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int currentEpoch = Interlocked.Increment(ref _connectionEpoch);
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await Task.Run(() =>
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{
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if (currentEpoch != _connectionEpoch) return;
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if (!HikSdkManager.Initialize())
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{
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_sdkLog.Error("[SDK] HikVision Sdk 初始化失败.");
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AddAuditLog($"[SDK] HikVision Sdk 初始化失败.");
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throw new CameraException(CameraErrorCode.SdkNotInitialized, "HikVision Sdk 初始化失败.", DeviceBrand.HikVision);
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}
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try
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{
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HikNativeMethods.NET_DVR_SetExceptionCallBack_V30(0, IntPtr.Zero, _globalExceptionCallback, IntPtr.Zero);
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// [审计] 记录登录动作
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_sdkLog.Information($"[SDK] Hik 正在执行登录 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}");
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AddAuditLog($"[SDK] Hik 正在执行登录 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}");
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var devInfo = new HikNativeMethods.NET_DEVICEINFO_V30();
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int newUserId = HikNativeMethods.NET_DVR_Login_V30(
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_config.IpAddress, _config.Port, _config.Username, _config.Password, ref devInfo);
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if (currentEpoch != _connectionEpoch)
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{
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if (newUserId >= 0) HikNativeMethods.NET_DVR_Logout(newUserId);
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_sdkLog.Information($"[SDK] Hik 启动任务已过期 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}");
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AddAuditLog($"[SDK] Hik 启动任务已过期 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}");
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throw new OperationCanceledException("启动任务已过期");
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}
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if (newUserId < 0)
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{
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uint err = HikNativeMethods.NET_DVR_GetLastError();
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_sdkLog.Warning($"[SDK] Hik 登录失败 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}");
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AddAuditLog($"[SDK] Hik 登录失败 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}");
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throw new CameraException(HikErrorMapper.Map(err), $"登录失败: {err}", DeviceBrand.HikVision, (int)err);
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}
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_userId = newUserId;
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_instances.TryAdd(_userId, this);
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_sdkLog.Information($"[SDK] Hik 登录成功 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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AddAuditLog($"[SDK] Hik 登录成功 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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// 开启取流
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if (!StartRealPlay())
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{
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uint err = HikNativeMethods.NET_DVR_GetLastError();
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throw new CameraException(HikErrorMapper.Map(err), $"预览失败: {err}", DeviceBrand.HikVision, (int)err);
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}
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_sdkLog.Information($"[SDK] Hik 网络取流成功 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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AddAuditLog($"[SDK] Hik 网络取流成功 => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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}
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catch (Exception ex)
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{
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_sdkLog.Error($"[SDK] Hik 启动异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, " + "Exception:{Exp}", ex);
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AddAuditLog($"[SDK] Hik 启动异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, Exception:{ex.Message}");
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CleanupSync();
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throw;
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}
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}, token);
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}
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/// <summary>
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/// 停止逻辑
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/// </summary>
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/// <returns></returns>
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protected override async Task OnStopAsync()
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{
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Interlocked.Increment(ref _connectionEpoch);
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_sdkLog.Debug($"[SDK] Hik 正在执行停止流程. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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AddAuditLog($"[SDK] Hik 正在执行停止流程. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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await Task.Run(() => CleanupSync());
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_sdkLog.Information($"[SDK] Hik 设备已停止. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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AddAuditLog($"[SDK] Hik 设备已停止. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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}
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/// <summary>
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/// 同步清理所有 SDK 资源
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/// </summary>
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private void CleanupSync()
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{
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lock (_initLock)
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{
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// 1. 停止预览
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try
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{
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if (_realPlayHandle >= 0)
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{
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HikNativeMethods.NET_DVR_StopRealPlay(_realPlayHandle);
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_realPlayHandle = -1;
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}
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}
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catch(Exception ex)
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{
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_sdkLog.Debug($"[SDK] Hik 停止预览失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
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AddAuditLog($"[SDK] Hik 停止预览失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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// 2. 停止解码
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if (_playPort >= 0)
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{
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lock(_globalPortLock)
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{
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try
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{
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HikPlayMethods.PlayM4_Stop(_playPort);
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HikPlayMethods.PlayM4_CloseStream(_playPort);
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}
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catch (Exception ex)
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{
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_sdkLog.Debug($"[SDK] Hik 停止解码失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
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AddAuditLog($"[SDK] Hik 停止解码失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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finally
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{
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try
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{
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HikPlayMethods.PlayM4_FreePort(_playPort);
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}
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catch (Exception ex)
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{
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_sdkLog.Warning($"[SDK] Hik 端口资源释放失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
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AddAuditLog($"[SDK] Hik 端口资源释放失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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}
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_playPort = -1;
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}
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}
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lock (_bufferLock)
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{
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_sharedYuvMat?.Dispose(); _sharedYuvMat = null;
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_sharedBgrMat?.Dispose(); _sharedBgrMat = null;
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}
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// 3. 注销登录
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try
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{
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if (_userId >= 0)
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{
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_instances.TryRemove(_userId, out _);
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HikNativeMethods.NET_DVR_Logout(_userId);
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_userId = -1;
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}
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}
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catch (Exception ex)
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{
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_sdkLog.Warning($"[SDK] Hik 注销登录失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
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AddAuditLog($"[SDK] Hik 注销登录失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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_framePool?.Dispose();
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_framePool = null;
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_isPoolReady = false;
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}
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try
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{
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HikSdkManager.Uninitialize();
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}
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catch
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{
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}
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}
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/// <summary>
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/// 获取设备元数据
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/// </summary>
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/// <returns></returns>
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protected override Task<DeviceMetadata> OnFetchMetadataAsync() => Task.FromResult(new DeviceMetadata());
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#endregion
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#region --- 6. 驱动逻辑：热切换重写 (OnApplyOptions) ---
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/// <summary>
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/// 配置更新
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/// </summary>
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/// <param name="options"></param>
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protected override void OnApplyOptions(DynamicStreamOptions options)
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{
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// 1. 码流热切换逻辑
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if (options.StreamType.HasValue)
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{
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int targetStream = options.StreamType.Value;
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_sdkLog.Debug($"[SDK] Hik 收到码流切换请求. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
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AddAuditLog($"收到码流切换请求: {targetStream}，开始执行热切换...");
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lock (_initLock)
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{
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// 【修复点】双重检查在线状态
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// 如果在拿锁的过程中，外部已经调用了 StopAsync，这里必须停止，否则会创建"僵尸句柄"
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if (!IsActived || !IsPhysicalOnline || _userId < 0)
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{
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_sdkLog.Warning($"[SDK] 码流切换被取消，设备已离线.");
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AddAuditLog($"[SDK] 码流切换被取消，设备已离线.");
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return;
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}
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// A. 停止预览 (Keep Login)
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if (_realPlayHandle >= 0)
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{
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HikNativeMethods.NET_DVR_StopRealPlay(_realPlayHandle);
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_realPlayHandle = -1;
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}
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// B. 清理播放库 (防止旧流数据残留)
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if (_playPort >= 0)
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{
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HikPlayMethods.PlayM4_Stop(_playPort);
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HikPlayMethods.PlayM4_CloseStream(_playPort);
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HikPlayMethods.PlayM4_FreePort(_playPort);
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_playPort = -1;
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}
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// C. 更新内部配置状态
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_config.StreamType = targetStream;
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// D. 重新开启预览
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if (StartRealPlay())
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{
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_sdkLog.Information($"[SDK] Hik 码流热切换成功. => 当前: {(_config.StreamType == 0 ? "主" : "子")}码流), ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
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AddAuditLog($"[SDK] Hik 码流热切换成功. => 当前: {(_config.StreamType == 0 ? "主" : "子")}码流), ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
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}
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else
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{
|
||
uint err = HikNativeMethods.NET_DVR_GetLastError();
|
||
_sdkLog.Information($"[SDK] Hik 码流切换失败. => Err:{err}, ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
|
||
AddAuditLog($"[SDK] Hik 码流切换失败. => Err:{err}, ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
|
||
|
||
// 【修复点】主动上报错误，让基类感知到当前已经断流了
|
||
// 这会将状态置为 Reconnecting，并可能触发自动重连
|
||
ReportError(new CameraException(HikErrorMapper.Map(err), "Hik 码流切换失败.", DeviceBrand.HikVision));
|
||
}
|
||
}
|
||
}
|
||
|
||
// 2. 句柄动态更新逻辑 (如有需要)
|
||
if (options.RenderHandle.HasValue)
|
||
{
|
||
// 如果是硬解码模式，可以在这里调用 PlayM4_Play(port, newHandle)
|
||
_sdkLog.Information($"[SDK] Hik 收到新句柄绑定请求, 新句柄:{options.RenderHandle}. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
|
||
AddAuditLog($"[SDK] Hik 收到新句柄绑定请求, 新句柄:{options.RenderHandle}. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region --- 7. 驱动逻辑：取流与解码 (Streaming & Decoding) ---
|
||
|
||
/// <summary>
|
||
/// 开始预览
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
private bool StartRealPlay()
|
||
{
|
||
var previewInfo = new HikNativeMethods.NET_DVR_PREVIEWINFO
|
||
{
|
||
hPlayWnd = (IntPtr)_config.RenderHandle,
|
||
lChannel = _config.ChannelIndex,
|
||
dwStreamType = (uint)_config.StreamType,
|
||
bBlocked = false
|
||
};
|
||
|
||
_realPlayHandle = HikNativeMethods.NET_DVR_RealPlay_V40(_userId, ref previewInfo, _realDataCallBack, IntPtr.Zero);
|
||
|
||
// Optimized: [Fix GC Crash] 显式保活，防止 JIT 在 P/Invoke 过程中激进回收（双重保险）
|
||
GC.KeepAlive(_realDataCallBack);
|
||
|
||
return _realPlayHandle >= 0;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 预览数据回调
|
||
/// </summary>
|
||
/// <param name="lRealHandle"></param>
|
||
/// <param name="dwDataType"></param>
|
||
/// <param name="pBuffer"></param>
|
||
/// <param name="dwBufSize"></param>
|
||
/// <param name="pUser"></param>
|
||
private void SafeOnRealDataReceived(int lRealHandle, uint dwDataType, IntPtr pBuffer, uint dwBufSize, IntPtr pUser)
|
||
{
|
||
try
|
||
{
|
||
// 【关键位置】：在此处调用，统计网络层收到的每一字节数据
|
||
// 因为 dwBufSize > 0，MarkFrameReceived 内部只会累加码流，不会增加 FPS 计数
|
||
MarkFrameReceived(dwBufSize);
|
||
|
||
// Optimized: [原因] 增加前置失效判定，若当前句柄已释放则不再处理后续流数据
|
||
if (_realPlayHandle == -1) return;
|
||
|
||
// 处理系统头
|
||
if (dwDataType == HikNativeMethods.NET_DVR_SYSHEAD)
|
||
{
|
||
lock (_initLock)
|
||
{
|
||
// 原子检查：若已存在端口、预览句柄已失效或对象已销毁，则立即拦截
|
||
if (_realPlayHandle == -1 || _playPort != -1) return;
|
||
|
||
bool getPortSuccess;
|
||
lock (_globalPortLock)
|
||
{
|
||
getPortSuccess = HikPlayMethods.PlayM4_GetPort(ref _playPort);
|
||
}
|
||
|
||
if (!getPortSuccess) return;
|
||
|
||
// 配置播放库参数
|
||
HikPlayMethods.PlayM4_SetDisplayBuf(_playPort, 1); // 极速模式
|
||
HikPlayMethods.PlayM4_SetStreamOpenMode(_playPort, 0);
|
||
|
||
if (!HikPlayMethods.PlayM4_OpenStream(_playPort, pBuffer, dwBufSize, 2 * 1024 * 1024))
|
||
{
|
||
// 开启失败需在锁内立即释放端口，防止句柄残留
|
||
lock (_globalPortLock)
|
||
{
|
||
HikPlayMethods.PlayM4_FreePort(_playPort);
|
||
_playPort = -1;
|
||
}
|
||
return;
|
||
}
|
||
|
||
//// =================================================================================
|
||
//// 🚀 [新增代码] 性能优化：适配新版 SDK 开启硬解码
|
||
//// =================================================================================
|
||
//try
|
||
//{
|
||
// // 尝试调用 Ex 版本的接口 (参数 2 表示 D3D11 硬解)
|
||
// if (HikPlayMethods.PlayM4_SetDecodeEngineEx(_playPort, 1))
|
||
// {
|
||
// _sdkLog.Information($"[Perf] Hik 强制硬解码(SetDecodeEngineEx)已开启. ID:{_config.Id}");
|
||
// }
|
||
// else
|
||
// {
|
||
// // 如果返回 false，打印一下错误码
|
||
// uint err = HikPlayMethods.PlayM4_GetLastError(_playPort);
|
||
// _sdkLog.Warning($"[Perf] Hik 硬解码开启失败 Err={err}.");
|
||
// }
|
||
//}
|
||
//catch (EntryPointNotFoundException)
|
||
//{
|
||
// _sdkLog.Warning($"[Perf] PlayM4_SetDecodeEngineEx 也没找到，这太奇怪了。");
|
||
//}
|
||
|
||
HikPlayMethods.PlayM4_SetDecCallBackEx(_playPort, _decCallBack, IntPtr.Zero, 0);
|
||
|
||
// Optimized: [Fix GC Crash] 显式保活
|
||
GC.KeepAlive(_decCallBack);
|
||
|
||
HikPlayMethods.PlayM4_Play(_playPort, IntPtr.Zero);
|
||
|
||
_sdkLog.Debug($"[SDK] Hik 播放端口初始化成功, ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放端口:{_playPort}");
|
||
}
|
||
}
|
||
// 处理流数据
|
||
else if (dwDataType == HikNativeMethods.NET_DVR_STREAMDATA && _playPort != -1)
|
||
{
|
||
HikPlayMethods.PlayM4_InputData(_playPort, pBuffer, dwBufSize);
|
||
}
|
||
}
|
||
catch(Exception ex)
|
||
{
|
||
_sdkLog.Debug($"[SDK] Hik SafeOnRealDataReceived 异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
|
||
AddAuditLog($"[SDK] Hik SafeOnRealDataReceived 异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 必须同时加上 SecurityCritical
|
||
/// </summary>
|
||
/// <param name="nPort"></param>
|
||
/// <param name="pBuf"></param>
|
||
/// <param name="nSize"></param>
|
||
/// <param name="pFrameInfo"></param>
|
||
/// <param name="nReserved1"></param>
|
||
/// <param name="nReserved2"></param>
|
||
[HandleProcessCorruptedStateExceptions]
|
||
[SecurityCritical]
|
||
private unsafe void SafeOnDecodingCallBack(int nPort, IntPtr pBuf, int nSize, ref HikPlayMethods.FRAME_INFO pFrameInfo, int nReserved1, int nReserved2)
|
||
{
|
||
//Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff")} 帧抵达.");
|
||
|
||
// 1. 基础指针检查
|
||
if (pBuf == IntPtr.Zero || nSize <= 0) return;
|
||
|
||
// 2. 视频有效性检查
|
||
// 如果不是音频，但宽高依然为 0，说明是异常数据或非图像私有头
|
||
if (pFrameInfo.nWidth <= 0 || pFrameInfo.nHeight <= 0)
|
||
{
|
||
// 如果你想调试音频，可以在这里处理 pBuf
|
||
// 但对于视频分析业务，这里直接 return，不要写 Log，否则磁盘会爆
|
||
return;
|
||
}
|
||
|
||
|
||
// [优化] 维持心跳，防止被哨兵误杀
|
||
MarkFrameReceived(0);
|
||
|
||
int currentWidth = pFrameInfo.nWidth;
|
||
int currentHeight = pFrameInfo.nHeight;
|
||
|
||
// 3. [核心修复点] 分辨率动态监测与帧池热重建
|
||
// Modified: [原因] 修复 Bug E：当 SDK 输出的分辨率与当前帧池尺寸不符时，必须阻塞并重建资源。
|
||
// 严禁在分辨率不匹配的情况下调用 OpenCV 转换函数，防止非托管内存越界写入。
|
||
if (!_isPoolReady || Width != currentWidth || Height != currentHeight)
|
||
{
|
||
bool lockTaken = false;
|
||
try
|
||
{
|
||
// 尝试获取初始化锁，超时 50ms（分辨率变更属于低频关键动作，允许稍长等待）
|
||
Monitor.TryEnter(_initLock, 50, ref lockTaken);
|
||
|
||
if (lockTaken)
|
||
{
|
||
// Double Check：防止多个解码回调并发重建
|
||
if (Width != currentWidth || Height != currentHeight || !_isPoolReady)
|
||
{
|
||
_sdkLog.Warning($"[SDK] 监测到分辨率变更: {Width}x{Height} -> {currentWidth}x{currentHeight}，正在重建帧池...");
|
||
|
||
// 销毁旧池（内部会释放所有 Mat 资源）
|
||
_framePool?.Dispose();
|
||
|
||
// 更新基类维护的分辨率属性
|
||
Width = currentWidth;
|
||
Height = currentHeight;
|
||
|
||
// 重建帧池：initialSize 设为 3 保证高并发缓冲，maxSize 设为 5 严格控制内存总额
|
||
_framePool = new FramePool(Width, Height, MatType.CV_8UC3, initialSize: 3, maxSize: 5);
|
||
_isPoolReady = true;
|
||
|
||
AddAuditLog($"分辨率热重载完成: {Width}x{Height}");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 拿不到锁说明主线程正在 Stop 或切换配置，直接丢弃该帧防止死锁
|
||
return;
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
_sdkLog.Error(ex, "帧池重建失败");
|
||
return;
|
||
}
|
||
finally
|
||
{
|
||
if (lockTaken) Monitor.Exit(_initLock);
|
||
}
|
||
}
|
||
|
||
// 1. [核心流控] 询问基类控制器：这帧要不要？
|
||
// 之前失效是因为操作的是子类被遮蔽的 Controller，现在复用基类 Controller，逻辑就通了。
|
||
// 传入真实的输入帧率作为参考基准
|
||
var decision = Controller.MakeDecision(Environment.TickCount64, (int)RealFps);
|
||
|
||
// 如果没人要，直接丢弃，不进行 Mat 转换，节省 CPU
|
||
if (!decision.IsCaptured) return;
|
||
|
||
//Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff")} 帧抵处理.");
|
||
|
||
// Optimized: [原因] 将 smartFrame 定义在 try 外部，确保 finally 块能够可靠执行 Dispose 归还逻辑
|
||
SmartFrame? smartFrame = null;
|
||
|
||
try
|
||
{
|
||
if (_framePool == null)
|
||
{
|
||
_sdkLog.Warning($"[SDK] Hik framePool 为空, 丢弃. 设备ID: {Config.Id} IP:{Config.IpAddress} Name:{Config.Name}");
|
||
return;
|
||
}
|
||
|
||
// 3. 转换与分发
|
||
smartFrame = _framePool.Get();
|
||
if (smartFrame == null) return; // 池满丢帧
|
||
|
||
|
||
int width = pFrameInfo.nWidth;
|
||
int height = pFrameInfo.nHeight;
|
||
|
||
// 计算 YUV 分量地址
|
||
byte* pY = (byte*)pBuf;
|
||
byte* pU = pY + (width * height);
|
||
byte* pV = pU + (width * height / 4);
|
||
|
||
// 目标 BGR 地址
|
||
byte* pDst = (byte*)smartFrame.InternalMat.Data;
|
||
|
||
// 调用 LibYuvSharp
|
||
// 注意：LibYuvSharp 内部通常处理的是 BGR 顺序，
|
||
// 如果发现图像发蓝，请将 pU 和 pV 的位置对调
|
||
LibYuv.I420ToRGB24(
|
||
pY, width,
|
||
pU, width / 2,
|
||
pV, width / 2,
|
||
pDst, width * 3,
|
||
width, height
|
||
);
|
||
|
||
|
||
//// Optimized: [原因] 使用局部作用域封装 YUV 转换，确保原生指针尽快脱离
|
||
//using (var rawYuvWrapper = Mat.FromPixelData(currentHeight + currentHeight / 2, currentWidth, MatType.CV_8UC1, pBuf))
|
||
//{
|
||
// Cv2.CvtColor(rawYuvWrapper, smartFrame.InternalMat, ColorConversionCodes.YUV2BGR_YV12);
|
||
//}
|
||
|
||
// =========================================================
|
||
// 【新增防御】: 检查转换结果是否有效
|
||
// 如果转换失败，或者 Mat 为空，绝对不能传给 Router
|
||
// =========================================================
|
||
if (smartFrame.InternalMat.Empty())
|
||
{
|
||
_sdkLog.Warning($"[SDK] Hik 解码帧无效 (Empty Mat), 丢弃. 设备ID: {Config.Id} IP:{Config.IpAddress} Name:{Config.Name}");
|
||
// finally 会负责 Dispose，这里直接返回
|
||
return;
|
||
}
|
||
|
||
foreach (var targetAppId in decision.TargetAppIds)
|
||
smartFrame.SubscriberIds.Enqueue(targetAppId);
|
||
|
||
// =========================================================================
|
||
// 【修正】删除这里的 GlobalStreamDispatcher.Dispatch！
|
||
// 严禁在这里分发，因为这时的图是“生的”，还没经过 Pipeline 处理。
|
||
// =========================================================================
|
||
//GlobalStreamDispatcher.Dispatch(Id, smartFrame);
|
||
|
||
// 4. [分发] 将决策结果传递给处理中心
|
||
// decision.TargetAppIds 包含了 "谁需要这一帧" 的信息
|
||
//GlobalProcessingCenter.Submit(this.Id, smartFrame, decision);
|
||
GlobalPipelineRouter.Enqueue(Id, smartFrame, decision);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
// 这里为了性能不频繁写日志，仅在调试时开启
|
||
_sdkLog.Warning($"[SDK] Hik SafeOnDecodingCallBack 异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
|
||
AddAuditLog($"[SDK] Hik SafeOnDecodingCallBack 异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
|
||
}
|
||
finally
|
||
{
|
||
// Optimized: [原因] 驱动层必须释放它持有的初始引用。
|
||
// 如果 Dispatch 内部已经 AddRef，此处 Dispose 只会让计数从 2 降到 1，帧不会回池。
|
||
// 如果没有其他人持有，此处 Dispose 会让计数从 1 降到 0，帧安全回池。
|
||
smartFrame?.Dispose();
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region --- 8. 全局异常静态回调 ---
|
||
|
||
/// <summary>
|
||
/// SDK 报警回调
|
||
/// </summary>
|
||
/// <param name="dwType"></param>
|
||
/// <param name="lUserID"></param>
|
||
/// <param name="lHandle"></param>
|
||
/// <param name="pUser"></param>
|
||
private static void StaticOnSdkException(uint dwType, int lUserID, int lHandle, IntPtr pUser)
|
||
{
|
||
try
|
||
{
|
||
if (_instances.TryGetValue(lUserID, out var instance))
|
||
{
|
||
Log.ForContext("SourceContext", LogModules.HikVisionSdk)
|
||
.Error($"Hik SDK 报警异常: 0x{dwType:X}, UserId: {lUserID} ");
|
||
|
||
instance.AddAuditLog($"SDK报警 User:{pUser} 异常: 0x{dwType:X}, UserId: {lUserID}"); // 写入审计
|
||
instance.ReportError(new CameraException(
|
||
CameraErrorCode.NetworkUnreachable,
|
||
$"SDK全局异常: 0x{dwType:X}",
|
||
DeviceBrand.HikVision));
|
||
}
|
||
}
|
||
catch { }
|
||
}
|
||
|
||
#endregion
|
||
} |