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/DahuaPtzProvider.cs
+++ b/SHH.CameraSdk/Drivers/DaHua/Features/DahuaPtzProvider.cs
@@ -0,0 +1,100 @@
+using Ayay.SerilogLogs;
+using Serilog;
+using SHH.CameraSdk.HikFeatures;
+
+namespace SHH.CameraSdk.DahuaFeatures;
+
+/// <summary>
+/// [大华功能组件] 云台与镜头控制
+/// <para>适配说明：严格匹配 NETClient.PTZControl(IntPtr, int, uint, int, int, int, bool, IntPtr) 接口</para>
+/// </summary>
+public class DahuaPtzProvider : IPtzFeature
+{
+    private readonly IDahuaContext _context;
+
+    #region --- 大华 PTZ 命令常量 (对应 dwPTZCommand) ---
+
+    private const uint PTZ_UP = 0;
+    private const uint PTZ_DOWN = 1;
+    private const uint PTZ_LEFT = 2;
+    private const uint PTZ_RIGHT = 3;
+    private const uint PTZ_ZOOM_ADD = 4;    // 变倍+
+    private const uint PTZ_ZOOM_DEC = 5;    // 变倍-
+    private const uint PTZ_FOCUS_ADD = 6;   // 聚焦+
+    private const uint PTZ_FOCUS_DEC = 7;   // 聚焦-
+    private const uint PTZ_IRIS_ADD = 8;    // 光圈+
+    private const uint PTZ_IRIS_DEC = 9;    // 光圈-
+
+    #endregion
+
+    public DahuaPtzProvider(IDahuaContext context)
+    {
+        _context = context;
+    }
+
+    public async Task PtzControlAsync(PtzAction action, bool stop, int speed)
+    {
+        IntPtr loginId = _context.GetUserId();
+        if (loginId == IntPtr.Zero) return;
+
+        await Task.Run(() =>
+        {
+            // 1. 映射指令
+            uint dwCommand = action switch
+            {
+                PtzAction.Up => PTZ_UP,
+                PtzAction.Down => PTZ_DOWN,
+                PtzAction.Left => PTZ_LEFT,
+                PtzAction.Right => PTZ_RIGHT,
+                PtzAction.ZoomIn => PTZ_ZOOM_ADD,
+                PtzAction.ZoomOut => PTZ_ZOOM_DEC,
+                PtzAction.FocusFar => PTZ_FOCUS_ADD,
+                PtzAction.FocusNear => PTZ_FOCUS_DEC,
+                PtzAction.IrisOpen => PTZ_IRIS_ADD,
+                PtzAction.IrisClose => PTZ_IRIS_DEC,
+                _ => 999
+            };
+
+            if (dwCommand == 999) return;
+
+            // 2. 准备速度参数 (大华一般 1-8)
+            // Modified: [原因] 严格适配 8 参数接口。lParam1=水平速度, lParam2=垂直速度, lParam3=0
+            int s = Math.Clamp(speed, 1, 8);
+            int lParam1 = s;
+            int lParam2 = s;
+            int lParam3 = 0;
+
+            // 3. 调用你提供的接口
+            // Modified: [原因] 匹配签名: (IntPtr, int, uint, int, int, int, bool, IntPtr)
+            bool result = NETClient.PTZControl(
+                loginId,
+                0,           // nChannelID
+                dwCommand,   // dwPTZCommand
+                lParam1,
+                lParam2,
+                lParam3,
+                stop,        // dwStop
+                IntPtr.Zero  // param4
+            );
+
+            if (!result)
+            {
+                string error = NETClient.GetLastError();
+                Log.ForContext("SourceContext", LogModules.DaHuaSdk)
+                   .Warning("[SDK] Dahua PTZ 失败. Action: {Action}, Stop: {Stop}, Error: {Error}, 可能操作太快.",
+                            action, stop, error);
+            }
+            else
+            {
+
+            }
+        });
+    }
+
+    public async Task PtzStepAsync(PtzAction action, int durationMs, int speed)
+    {
+        await PtzControlAsync(action, false, speed);
+        await Task.Delay(durationMs);
+        await PtzControlAsync(action, true, speed);
+    }
+}