增加大华设备对云台移动、缩放、聚集、光圈、校时、重启的支持

增加海康、大华对预置点的支持
2026-03-03 13:55:37 +08:00
parent 0399871467
commit d1fc94be1c
15 changed files with 683 additions and 65 deletions
--- a/SHH.CameraSdk/Drivers/DaHua/Features/DahuaTimeSyncProvider.cs
+++ b/SHH.CameraSdk/Drivers/DaHua/Features/DahuaTimeSyncProvider.cs
@@ -0,0 +1,101 @@
+using System.Runtime.InteropServices;
+using Serilog;
+using Ayay.SerilogLogs;
+
+namespace SHH.CameraSdk.DahuaFeatures;
+
+/// <summary>
+/// [大华功能组件] 时间同步实现
+/// <para>参照原代码逻辑重构，实现 EM_DEV_CFG_TYPE.TIMECFG 配置下发</para>
+/// </summary>
+public class DahuaTimeSyncProvider : ITimeSyncFeature
+{
+    private readonly IDahuaContext _context;
+
+    public DahuaTimeSyncProvider(IDahuaContext context)
+    {
+        _context = context;
+    }
+
+    /// <summary>
+    /// 获取设备当前时间
+    /// </summary>
+    public async Task<DateTime> GetTimeAsync()
+    {
+        IntPtr loginId = _context.GetUserId();
+        if (loginId == IntPtr.Zero) throw new InvalidOperationException("大华设备未登录");
+
+        return await Task.Run(() =>
+        {
+            NET_TIME time = new NET_TIME();
+            uint retLen = 0;
+            int nSize = Marshal.SizeOf(typeof(NET_TIME));
+            IntPtr inPtr = Marshal.AllocHGlobal(nSize);
+
+            try
+            {
+                // Optimized: [原因] 沿用原代码的 GetDevConfig 逻辑与 TIMECFG 指令
+                Marshal.StructureToPtr(time, inPtr, true);
+                bool result = NETClient.GetDevConfig(loginId, EM_DEV_CFG_TYPE.TIMECFG, -1, inPtr, (uint)nSize, ref retLen, 5000);
+
+                if (result && retLen == (uint)nSize)
+                {
+                    time = (NET_TIME)Marshal.PtrToStructure(inPtr, typeof(NET_TIME));
+                    // 使用你现有的 ToDateTime() 扩展方法
+                    return time.ToDateTime();
+                }
+                else
+                {
+                    string err = NETClient.GetLastError();
+                    throw new Exception($"[SDK] Dahua 获取时间失败: {err}");
+                }
+            }
+            finally
+            {
+                Marshal.FreeHGlobal(inPtr);
+            }
+        });
+    }
+
+    /// <summary>
+    /// 设置设备时间 (校时)
+    /// </summary>
+    public async Task SetTimeAsync(DateTime targetTime)
+    {
+        IntPtr loginId = _context.GetUserId();
+        if (loginId == IntPtr.Zero) throw new InvalidOperationException("大华设备未登录");
+
+        await Task.Run(() =>
+        {
+            // Modified: [原因] 使用你原有的 FromDateTime 静态方法进行结构体转换
+            NET_TIME time = NET_TIME.FromDateTime(targetTime);
+            int nSize = Marshal.SizeOf(typeof(NET_TIME));
+            IntPtr inPtr = Marshal.AllocHGlobal(nSize);
+
+            try
+            {
+                Marshal.StructureToPtr(time, inPtr, true);
+
+                // Optimized: [原因] 沿用原代码的 SetDevConfig 逻辑
+                bool result = NETClient.SetDevConfig(loginId, EM_DEV_CFG_TYPE.TIMECFG, -1, inPtr, (uint)nSize, 5000);
+
+                if (result)
+                {
+                    Log.ForContext("SourceContext", LogModules.DaHuaSdk)
+                       .Information("[SDK] Dahua 校时成功 => {Time}", targetTime.ToString("yyyy-MM-dd HH:mm:ss"));
+                }
+                else
+                {
+                    string err = NETClient.GetLastError();
+                    Log.ForContext("SourceContext", LogModules.DaHuaSdk)
+                       .Error("[SDK] Dahua 校时指令失败. Error: {Error}", err);
+                    throw new Exception($"大华校时失败: {err}");
+                }
+            }
+            finally
+            {
+                Marshal.FreeHGlobal(inPtr);
+            }
+        });
+    }
+}