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