99 lines
3.6 KiB
C#
99 lines
3.6 KiB
C#
using Serilog;
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namespace SHH.CameraSdk.HikFeatures;
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public class HikPtzProvider : IPtzFeature
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{
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private readonly IHikContext _context;
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public HikPtzProvider(IHikContext context)
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{
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_context = context;
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}
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/// <summary>
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/// 判断该动作是否支持速度参数
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/// </summary>
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private static bool IsSpeedSupported(PtzAction action)
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{
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// Optimized: 方向和缩放支持速度，其余(雨刷/聚焦/光圈)为开关量或标准调节
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return action <= PtzAction.ZoomOut;
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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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int userId = _context.GetUserId();
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if (userId < 0) throw new InvalidOperationException("设备离线");
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// 1. 映射指令
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uint hikCommand = action switch
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{
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PtzAction.Left => HikNativeMethods.PAN_LEFT,
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PtzAction.Up => HikNativeMethods.TILT_UP,
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PtzAction.Right => HikNativeMethods.PAN_RIGHT,
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PtzAction.Down => HikNativeMethods.TILT_DOWN,
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PtzAction.LeftUp => HikNativeMethods.UP_LEFT, // 海康 SDK: 左上
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PtzAction.LeftDown => HikNativeMethods.DOWN_LEFT, // 海康 SDK: 左下
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PtzAction.RightUp => HikNativeMethods.UP_RIGHT, // 海康 SDK: 右上
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PtzAction.RightDown => HikNativeMethods.DOWN_RIGHT, // 海康 SDK: 右下
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PtzAction.Auto => HikNativeMethods.PAN_AUTO,
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PtzAction.ZoomIn => HikNativeMethods.ZOOM_IN,
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PtzAction.ZoomOut => HikNativeMethods.ZOOM_OUT,
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PtzAction.FocusNear => HikNativeMethods.FOCUS_NEAR,
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PtzAction.FocusFar => HikNativeMethods.FOCUS_FAR,
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PtzAction.IrisOpen => HikNativeMethods.IRIS_OPEN,
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PtzAction.IrisClose => HikNativeMethods.IRIS_CLOSE,
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PtzAction.Wiper => HikNativeMethods.WIPER_PWRON,
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_ => 0
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};
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if (hikCommand == 0) return;
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// 2. 转换停止标志 (海康: 0=开始, 1=停止)
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uint dwStop = stop ? 1u : 0u;
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// 3. 调用 SDK
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await Task.Run(() =>
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{
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bool result;
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// Optimized: 接口分流逻辑，确保不同类型的动作调用正确的 SDK 接口
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if (IsSpeedSupported(action))
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{
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uint dwSpeed = (uint)Math.Clamp(speed, 1, 7);
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result = HikNativeMethods.NET_DVR_PTZControlWithSpeed_Other(userId, 1, hikCommand, dwStop, dwSpeed);
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}
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else
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{
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// 对于雨刷、聚焦、光圈，使用不带速度的接口
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result = HikNativeMethods.NET_DVR_PTZControl_Other(userId, 1, hikCommand, dwStop);
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}
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if (!result)
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{
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// Modified: 统一记录到 D:\Logs
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uint errorCode = HikNativeMethods.NET_DVR_GetLastError();
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Log.Warning("Ayay.AiVideo: PTZ {Action} failed. Stop: {Stop}, ErrorCode: {ErrorCode}",
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action, stop, errorCode);
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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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// 1. 开始转动 (调用已有的逻辑，stop=false)
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await PtzControlAsync(action, false, speed);
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// 2. 等待指定时间 (非阻塞等待)
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// 注意：这里使用 Task.Delay，精度对云台控制来说足够了
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if (durationMs > 0)
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{
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await Task.Delay(durationMs);
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}
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// 3. 停止转动 (调用已有的逻辑，stop=true)
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await PtzControlAsync(action, true, speed);
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}
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} |