海康摄像头增加了云台控制等

2025-12-28 13:14:40 +08:00
parent 2ee25a4f7c
commit 231247c80f
12 changed files with 774 additions and 107 deletions
--- a/SHH.CameraSdk/Drivers/HikVision/Features/HikTimeSyncProvider.cs
+++ b/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);
+            }
+        });
+    }
+}