海康摄像头增加了云台控制等

SHH.CameraSdk/Drivers/HikVision/Features/FeaturesEnums.cs

@@ -0,0 +1,19 @@
+namespace SHH.CameraSdk.HikFeatures;
+
+/// <summary>
+/// 云台动作枚举
+/// </summary>
+public enum PtzAction
+{
+    Up,
+    Down,
+    Left,
+    Right,
+    ZoomIn,  // 放大
+    ZoomOut, // 缩小
+    FocusNear, // 聚焦近
+    FocusFar,  // 聚焦远
+    IrisOpen,  // 光圈大
+    IrisClose,  // 光圈小
+    Wiper,      // 雨刷
+}

SHH.CameraSdk/Drivers/HikVision/Features/HikPtzProvider.cs

@@ -0,0 +1,71 @@
+namespace SHH.CameraSdk.HikFeatures;
+
+public class HikPtzProvider : IPtzFeature
+{
+    private readonly IHikContext _context;
+
+    public HikPtzProvider(IHikContext context)
+    {
+        _context = context;
+    }
+
+    public async Task PtzControlAsync(PtzAction action, bool stop, int speed)
+    {
+        int userId = _context.GetUserId();
+        if (userId < 0) throw new InvalidOperationException("设备离线");
+
+        // 1. 映射指令
+        uint hikCommand = action switch
+        {
+            PtzAction.Up => HikNativeMethods.TILT_UP,
+            PtzAction.Down => HikNativeMethods.TILT_DOWN,
+            PtzAction.Left => HikNativeMethods.PAN_LEFT,
+            PtzAction.Right => HikNativeMethods.PAN_RIGHT,
+            PtzAction.ZoomIn => HikNativeMethods.ZOOM_IN,
+            PtzAction.ZoomOut => HikNativeMethods.ZOOM_OUT,
+            PtzAction.FocusNear => HikNativeMethods.FOCUS_NEAR,
+            PtzAction.FocusFar => HikNativeMethods.FOCUS_FAR,
+            PtzAction.IrisOpen => HikNativeMethods.IRIS_OPEN,
+            PtzAction.IrisClose => HikNativeMethods.IRIS_CLOSE,
+            PtzAction.Wiper => HikNativeMethods.WIPER_PWRON,
+            _ => 0
+        };
+
+        if (hikCommand == 0) return;
+
+        // 2. 转换停止标志 (海康: 0=开始, 1=停止)
+        uint dwStop = stop ? 1u : 0u;
+
+        // 3. 限制速度范围 (1-7)
+        uint dwSpeed = (uint)Math.Clamp(speed, 1, 7);
+
+        // 4. 调用 SDK
+        await Task.Run(() =>
+        {
+            // Channel 默认为 1
+            bool result = HikNativeMethods.NET_DVR_PTZControlWithSpeed_Other(userId, 1, hikCommand, dwStop, dwSpeed);
+
+            if (!result)
+            {
+                // 这里通常不抛异常，因为云台繁忙或到头是常态，记录日志即可
+                // Console.WriteLine($"PTZ Error: {HikNativeMethods.NET_DVR_GetLastError()}");
+            }
+        });
+    }
+
+    public async Task PtzStepAsync(PtzAction action, int durationMs, int speed)
+    {
+        // 1. 开始转动 (调用已有的逻辑，stop=false)
+        await PtzControlAsync(action, false, speed);
+
+        // 2. 等待指定时间 (非阻塞等待)
+        // 注意：这里使用 Task.Delay，精度对云台控制来说足够了
+        if (durationMs > 0)
+        {
+            await Task.Delay(durationMs);
+        }
+
+        // 3. 停止转动 (调用已有的逻辑，stop=true)
+        await PtzControlAsync(action, true, speed);
+    }
+}

SHH.CameraSdk/Drivers/HikVision/Features/HikRebootProvider.cs

@@ -0,0 +1,36 @@
+namespace SHH.CameraSdk.HikFeatures;
+
+public class HikRebootProvider : IRebootFeature
+{
+    private readonly IHikContext _context;
+
+    public HikRebootProvider(IHikContext context)
+    {
+        _context = context;
+    }
+
+    public async Task RebootAsync()
+    {
+        // 1. 检查登录状态
+        int userId = _context.GetUserId();
+        if (userId < 0) throw new InvalidOperationException("设备未登录或离线，无法发送重启指令");
+
+        // 2. 执行 SDK 调用
+        await Task.Run(() =>
+        {
+            bool result = HikNativeMethods.NET_DVR_RebootDVR(userId);
+
+            if (!result)
+            {
+                uint err = HikNativeMethods.NET_DVR_GetLastError();
+                throw new Exception($"重启指令发送失败，错误码: {err}");
+            }
+        });
+
+        // 3. 注意：
+        // 重启指令发送成功后，设备会断开网络。
+        // 宿主类(HikVideoSource)的保活机制(KeepAlive)会检测到断线，
+        // 并自动开始尝试重连，直到设备重启完成上线。
+        // 所以这里我们不需要手动断开连接，交给底层自愈机制即可。
+    }
+}

SHH.CameraSdk/Drivers/HikVision/Features/HikTimeSyncProvider.cs

@@ -0,0 +1,98 @@
+namespace SHH.CameraSdk.HikFeatures;
+
+/// <summary>
+/// 海康时间同步组件
+/// </summary>
+public class HikTimeSyncProvider : ITimeSyncFeature
+{
+    private readonly IHikContext _context;
+
+    public HikTimeSyncProvider(IHikContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<DateTime> GetTimeAsync()
+    {
+        // 1. 获取句柄
+        int userId = _context.GetUserId();
+        if (userId < 0) throw new InvalidOperationException("设备未登录");
+
+        return await Task.Run(() =>
+        {
+            uint returned = 0;
+            uint size = (uint)Marshal.SizeOf(typeof(HikNativeMethods.NET_DVR_TIME));
+            IntPtr ptr = Marshal.AllocHGlobal((int)size);
+
+            try
+            {
+                // 调用 SDK: NET_DVR_GET_TIME (命令号 118)
+                bool result = HikNativeMethods.NET_DVR_GetDVRConfig(
+                    userId,
+                    HikNativeMethods.NET_DVR_GET_TIMECFG,
+                    0,
+                    ptr,
+                    size,
+                    ref returned);
+
+                if (!result)
+                {
+                    var err = HikNativeMethods.NET_DVR_GetLastError();
+                    throw new Exception($"获取时间失败, 错误码: {err}");
+                }
+
+                var t = Marshal.PtrToStructure<HikNativeMethods.NET_DVR_TIME>(ptr);
+                return new DateTime((int)t.dwYear, (int)t.dwMonth, (int)t.dwDay, (int)t.dwHour, (int)t.dwMinute, (int)t.dwSecond);
+            }
+            finally
+            {
+                Marshal.FreeHGlobal(ptr);
+            }
+        });
+    }
+
+    public async Task SetTimeAsync(DateTime time)
+    {
+        int userId = _context.GetUserId();
+        if (userId < 0) throw new InvalidOperationException("设备未登录");
+
+        await Task.Run(() =>
+        {
+            var t = new HikNativeMethods.NET_DVR_TIME
+            {
+                dwYear = (uint)time.Year,
+                dwMonth = (uint)time.Month,
+                dwDay = (uint)time.Day,
+                dwHour = (uint)time.Hour,
+                dwMinute = (uint)time.Minute,
+                dwSecond = (uint)time.Second
+            };
+
+            uint size = (uint)Marshal.SizeOf(t);
+            IntPtr ptr = Marshal.AllocHGlobal((int)size);
+
+            try
+            {
+                Marshal.StructureToPtr(t, ptr, false);
+
+                // 调用 SDK: NET_DVR_SET_TIME (命令号 119)
+                bool result = HikNativeMethods.NET_DVR_SetDVRConfig(
+                    userId,
+                    HikNativeMethods.NET_DVR_SET_TIMECFG,
+                    0,
+                    ptr,
+                    size);
+
+                if (!result)
+                {
+                    var err = HikNativeMethods.NET_DVR_GetLastError();
+                    throw new Exception($"设置时间失败, 错误码: {err}");
+                }
+            }
+            finally
+            {
+                Marshal.FreeHGlobal(ptr);
+            }
+        });
+    }
+}