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

SHH.CameraSdk/Drivers/DaHua/Features/DahuaPresetProvider.cs

@@ -0,0 +1,81 @@
+using Serilog;
+using Ayay.SerilogLogs;
+
+namespace SHH.CameraSdk.DahuaFeatures;
+
+/// <summary>
+/// [大华功能组件] 预置点管理实现
+/// <para>适配说明：使用 NETClient.PTZControl 接口，指令码为 10 (PTZ_POINT_CONTROL)</para>
+/// </summary>
+public class DahuaPresetProvider : IPresetFeature
+{
+    private ILogger _sdkLog = Log.ForContext("SourceContext", LogModules.DaHuaSdk);
+
+    private readonly IDahuaContext _context;
+
+    // 大华底层预置点控制命令常量
+    private const uint PTZ_POINT_CONTROL = 10;
+
+    public DahuaPresetProvider(IDahuaContext context)
+    {
+        _context = context;
+    }
+
+    /// <summary>跳转到预置点</summary>
+    /// <param name="presetIndex">预置点编号 (1-255)</param>
+    public async Task GotoPresetAsync(int presetIndex)
+    {
+        await ExecutePresetAction(presetIndex, 2, "调用");
+    }
+
+    /// <summary>设置/保存当前位置为预置点</summary>
+    public async Task SetPresetAsync(int presetIndex)
+    {
+        await ExecutePresetAction(presetIndex, 0, "保存");
+    }
+
+    /// <summary>删除预置点</summary>
+    public async Task RemovePresetAsync(int presetIndex)
+    {
+        await ExecutePresetAction(presetIndex, 1, "删除");
+    }
+
+    /// <summary>统一执行预置点动作</summary>
+    /// <param name="index">编号</param>
+    /// <param name="actionType">0:保存, 1:删除, 2:跳转</param>
+    /// <param name="actionName">日志描述</param>
+    private async Task ExecutePresetAction(int index, int actionType, string actionName)
+    {
+        IntPtr loginId = _context.GetUserId();
+        if (loginId == IntPtr.Zero) return;
+
+        await Task.Run(() =>
+        {
+            // Modified: [原因] 严格适配 NETClient.PTZControl 的 8 参数签名
+            // lParam1: 0 (无意义)
+            // lParam2: 预置点值 (nIndex)
+            // lParam3: 动作类型 (0-保存, 1-删除, 2-跳转)
+            bool result = NETClient.PTZControl(
+                loginId,
+                0,                  // nChannelID
+                PTZ_POINT_CONTROL,  // dwPTZCommand = 10
+                0,                  // lParam1
+                index,              // lParam2: 预置点编号
+                actionType,         // lParam3: 动作类型
+                false,              // dwStop: 预置点操作不涉及停止位
+                IntPtr.Zero         // param4
+            );
+
+            if (!result)
+            {
+                string error = NETClient.GetLastError();
+                _sdkLog.Warning("[SDK] Dahua 预置点{Action}失败. Index: {Index}, Error: {Error}",
+                            actionName, index, error);
+            }
+            else
+            {
+                _sdkLog.Debug("[SDK] Dahua 预置点{Action}成功. Index: {Index}", actionName, index);
+            }
+        });
+    }
+}