563 lines
25 KiB
C#
563 lines
25 KiB
C#
using Ayay.SerilogLogs;
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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 V3.4.0 (运维增强版)
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/// 修复记录：
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/// 1. [Fix Bug Z] 控制器遮蔽：移除子类 Controller 定义，复用基类实例，修复 FPS 控制失效问题。
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/// 2. [Feat A] 热更新支持：实现 OnApplyOptions，支持码流/句柄不亦断线热切换。
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/// 3. [Feat B] 审计集成：全面接入 AddAuditLog，对接 Web 运维仪表盘。
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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 --- 静态资源 (Global Resources) ---
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// 日志实例
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protected override ILogger _sdkLog => Log.ForContext("SourceContext", LogModules.HikVisionSdk);
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// 静态路由表
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private static readonly ConcurrentDictionary<int, HikVideoSource> _instances = new();
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// 全局异常回调
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private static readonly HikNativeMethods.EXCEPTION_CALLBACK _globalExceptionCallback = StaticOnSdkException;
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// 端口抢占锁
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private static readonly object _globalPortLock = new();
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#endregion
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// 声明组件
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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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// ==========================================
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// 实现 IHikContext (核心数据暴露)
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// ==========================================
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public int GetUserId() => _userId; // 暴露父类或私有的 _userId
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public string GetDeviceIp() => Config.IpAddress;
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// ==========================================
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// 实现 ITimeSyncFeature (路由转发)
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// ==========================================
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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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public Task<DateTime> GetTimeAsync() => _timeProvider.GetTimeAsync();
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public Task SetTimeAsync(DateTime time) => _timeProvider.SetTimeAsync(time);
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public Task RebootAsync() => _rebootProvider.RebootAsync();
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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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public Task PtzStepAsync(PtzAction action, int durationMs, int speed = 4)
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=> _ptzProvider.PtzStepAsync(action, durationMs, speed);
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#region --- 实例成员 (Instance Members) ---
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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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private readonly object _initLock = new();
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private readonly object _bufferLock = new();
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private volatile int _connectionEpoch = 0;
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// 回调委托引用 (防止GC)
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private HikNativeMethods.REALDATACALLBACK? _realDataCallBack;
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private HikPlayMethods.DECCBFUN? _decCallBack;
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// 内存复用对象
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private Mat? _sharedYuvMat;
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private Mat? _sharedBgrMat; // (如有需要可复用，当前逻辑直接用FramePool)
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private FramePool? _framePool;
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private bool _isPoolReady = false;
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// 【关键修复 Bug Z】: 删除了这里原本的 "public FrameController Controller..."
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// 直接使用 BaseVideoSource.Controller
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#endregion
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#region --- 构造函数 (Constructor) ---
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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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}
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#endregion
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#region --- 核心生命周期 (Core Lifecycle) ---
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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($"[SDK] Hik 启动异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, Exception:{ex.Message}");
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CleanupSync();
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throw;
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}
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}, token);
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}
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protected override async Task OnStopAsync()
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{
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Interlocked.Increment(ref _connectionEpoch);
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_sdkLog.Debug($"[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($"[SDK] Hik 设备已停止. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}");
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}
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private void CleanupSync()
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{
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lock (_initLock)
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{
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// 1. 停止预览
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try
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{
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if (_realPlayHandle >= 0)
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{
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HikNativeMethods.NET_DVR_StopRealPlay(_realPlayHandle);
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_realPlayHandle = -1;
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}
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}
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catch(Exception ex)
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{
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_sdkLog.Debug($"[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($"[SDK] Hik 停止预览失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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// 2. 停止解码
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if (_playPort >= 0)
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{
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try
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{
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HikPlayMethods.PlayM4_Stop(_playPort);
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HikPlayMethods.PlayM4_CloseStream(_playPort);
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}
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catch (Exception ex)
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{
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_sdkLog.Debug($"[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($"[SDK] Hik 端口资源释放失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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}
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_playPort = -1;
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}
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lock (_bufferLock)
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{
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_sharedYuvMat?.Dispose(); _sharedYuvMat = null;
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_sharedBgrMat?.Dispose(); _sharedBgrMat = null;
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}
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// 3. 注销登录
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try
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{
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if (_userId >= 0)
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{
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_instances.TryRemove(_userId, out _);
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HikNativeMethods.NET_DVR_Logout(_userId);
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_userId = -1;
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}
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}
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catch (Exception ex)
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{
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_sdkLog.Warning($"[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($"[SDK] Hik 注销登录失败. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
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}
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_framePool?.Dispose();
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_framePool = null;
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_isPoolReady = false;
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}
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try
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{
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HikSdkManager.Uninitialize();
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}
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catch
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{
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}
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}
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#endregion
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#region --- [新功能] 动态参数热应用 (Hot Swap) ---
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// 【关键修复 Feat A】实现基类的抽象方法，处理码流切换
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protected override void OnApplyOptions(DynamicStreamOptions options)
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{
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// 1. 码流热切换逻辑
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if (options.StreamType.HasValue)
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{
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int targetStream = options.StreamType.Value;
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_sdkLog.Debug($"[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($"[SDK] Hik 码流热切换成功. => 当前: {(_config.StreamType == 0 ? "主" : "子")}码流), ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
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}
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else
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{
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uint err = HikNativeMethods.NET_DVR_GetLastError();
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_sdkLog.Information($"[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}");
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AddAuditLog($"[SDK] Hik 码流切换失败. => Err:{err}, ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}, 播放句柄:{_realPlayHandle}");
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// 【修复点】主动上报错误，让基类感知到当前已经断流了
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// 这会将状态置为 Reconnecting，并可能触发自动重连
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ReportError(new CameraException(HikErrorMapper.Map(err), "Hik 码流切换失败.", DeviceBrand.HikVision));
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}
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}
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}
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// 2. 句柄动态更新逻辑 (如有需要)
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if (options.RenderHandle.HasValue)
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{
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// 如果是硬解码模式，可以在这里调用 PlayM4_Play(port, newHandle)
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_sdkLog.Information($"[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}");
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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}");
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}
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}
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#endregion
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#region --- 网络取流 (Network Streaming) ---
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private bool StartRealPlay()
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{
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var previewInfo = new HikNativeMethods.NET_DVR_PREVIEWINFO
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{
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hPlayWnd = (IntPtr)_config.RenderHandle,
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lChannel = _config.ChannelIndex,
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dwStreamType = (uint)_config.StreamType,
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bBlocked = false
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};
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_realDataCallBack = new HikNativeMethods.REALDATACALLBACK(SafeOnRealDataReceived);
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_realPlayHandle = HikNativeMethods.NET_DVR_RealPlay_V40(_userId, ref previewInfo, _realDataCallBack, IntPtr.Zero);
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return _realPlayHandle >= 0;
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}
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private void SafeOnRealDataReceived(int lRealHandle, uint dwDataType, IntPtr pBuffer, uint dwBufSize, IntPtr pUser)
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{
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try
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{
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// 【关键位置】：在此处调用，统计网络层收到的每一字节数据
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// 因为 dwBufSize > 0，MarkFrameReceived 内部只会累加码流，不会增加 FPS 计数
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MarkFrameReceived(dwBufSize);
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if (_realPlayHandle == -1) return;
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// 处理系统头
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if (dwDataType == HikNativeMethods.NET_DVR_SYSHEAD && _playPort == -1)
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{
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lock (_initLock)
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{
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if (_realPlayHandle == -1 || _playPort != -1) return;
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bool getPortSuccess;
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lock (_globalPortLock)
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{
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getPortSuccess = HikPlayMethods.PlayM4_GetPort(ref _playPort);
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}
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if (!getPortSuccess) return;
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HikPlayMethods.PlayM4_SetDisplayBuf(_playPort, 1); // 极速模式
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HikPlayMethods.PlayM4_SetStreamOpenMode(_playPort, 0);
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|
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if (!HikPlayMethods.PlayM4_OpenStream(_playPort, pBuffer, dwBufSize, 2 * 1024 * 1024))
|
||
{
|
||
HikPlayMethods.PlayM4_FreePort(_playPort);
|
||
_playPort = -1;
|
||
return;
|
||
}
|
||
|
||
_decCallBack = new HikPlayMethods.DECCBFUN(SafeOnDecodingCallBack);
|
||
HikPlayMethods.PlayM4_SetDecCallBackEx(_playPort, _decCallBack, IntPtr.Zero, 0);
|
||
HikPlayMethods.PlayM4_Play(_playPort, IntPtr.Zero);
|
||
}
|
||
}
|
||
// 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($"[SDK] Hik SafeOnRealDataReceived 异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId} Exception: {ex.Message}");
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region --- 解码与帧分发 (Decoding) ---
|
||
|
||
// 必须同时加上 SecurityCritical
|
||
[HandleProcessCorruptedStateExceptions]
|
||
[SecurityCritical]
|
||
private void SafeOnDecodingCallBack(int nPort, IntPtr pBuf, int nSize, ref HikPlayMethods.FRAME_INFO pFrameInfo, int nReserved1, int nReserved2)
|
||
{
|
||
//Console.WriteLine($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss fff")} 帧抵达.");
|
||
|
||
// Optimized: [原因] 增加前置防御性检查，若回调入参异常立即退出，防止后续 OpenCV 封装崩溃
|
||
if (pBuf == IntPtr.Zero || nSize <= 0
|
||
|| pFrameInfo.nWidth <= 0 || pFrameInfo.nHeight <= 0) return;
|
||
|
||
// [优化] 维持心跳，防止被哨兵误杀
|
||
MarkFrameReceived(0);
|
||
|
||
// [新增] 捕获并更新分辨率
|
||
// 只有当分辨率发生变化时才写入，减少属性赋值开销
|
||
if (Width != pFrameInfo.nWidth || Height != pFrameInfo.nHeight)
|
||
{
|
||
Width = pFrameInfo.nWidth;
|
||
Height = pFrameInfo.nHeight;
|
||
}
|
||
|
||
// 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;
|
||
|
||
int width = pFrameInfo.nWidth;
|
||
int height = pFrameInfo.nHeight;
|
||
|
||
// 2. 初始化帧池
|
||
if (!_isPoolReady)
|
||
{
|
||
// ====================================================================================
|
||
// 【修改点 Start】: 使用 Monitor.TryEnter 替换 lock
|
||
// 原因：防止死锁。如果主线程 CleanupSync 持有 _initLock 正在 Stop，
|
||
// 这里如果用 lock 会死等，导致 StopRealPlay 无法返回。
|
||
// 改用 TryEnter，如果拿不到锁（说明正在停止），直接放弃这一帧并退出。
|
||
// ====================================================================================
|
||
bool lockTaken = false;
|
||
try
|
||
{
|
||
// 尝试获取锁，超时时间 20ms (拿不到立即返回 false)
|
||
Monitor.TryEnter(_initLock, 20, ref lockTaken);
|
||
|
||
if (lockTaken)
|
||
{
|
||
// 拿到锁了，执行原有的初始化逻辑 (Double Check)
|
||
if (!_isPoolReady)
|
||
{
|
||
_framePool?.Dispose();
|
||
_framePool = new FramePool(width, height, MatType.CV_8UC3, initialSize: 3, maxSize: 5);
|
||
_isPoolReady = true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
// 【关键逻辑】如果 20ms 没拿到锁，说明主线程正在操作 (通常是正在 Stop)
|
||
// 既然都要停止了，这一帧直接丢弃，立即返回，防止死锁
|
||
return;
|
||
}
|
||
}
|
||
finally
|
||
{
|
||
if (lockTaken) Monitor.Exit(_initLock);
|
||
}
|
||
}
|
||
|
||
if (_framePool == null) return;
|
||
|
||
// 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
|
||
{ // 3. 转换与分发
|
||
smartFrame = _framePool.Get();
|
||
if (smartFrame == null) return; // 池满丢帧
|
||
|
||
// 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(height + height / 2, width, MatType.CV_8UC1, pBuf))
|
||
{
|
||
Cv2.CvtColor(rawYuvWrapper, smartFrame.InternalMat, ColorConversionCodes.YUV2BGR_YV12);
|
||
}
|
||
|
||
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.Debug($"[SDK] Hik SafeOnDecodingCallBack 异常. => ID:{_config.Id} IP:{_config.IpAddress} Port:{_config.Port} Name:{_config.Name}, UserID: {_userId}" + "Exception: {Exp}", ex);
|
||
AddAuditLog($"[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 --- 异常处理 ---
|
||
|
||
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
|
||
|
||
protected override Task<DeviceMetadata> OnFetchMetadataAsync() => Task.FromResult(new DeviceMetadata());
|
||
} |