81 lines
2.5 KiB
C#
81 lines
2.5 KiB
C#
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using Serilog;
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using Ayay.SerilogLogs;
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namespace SHH.CameraSdk.HikFeatures;
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/// <summary>
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/// [海康功能组件] 预置点管理实现
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/// <para>适配说明：使用 NET_DVR_PTZPreset_Other 接口</para>
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/// </summary>
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public class HikPresetProvider : IPresetFeature
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{
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private readonly IHikContext _context;
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#region --- 海康 PTZ 预置点命令常量 ---
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private const uint SET_PRESET = 8; // 设置预置点
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private const uint CLE_PRESET = 9; // 清除预置点
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private const uint GOTO_PRESET = 39; // 转到预置点
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#endregion
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public HikPresetProvider(IHikContext context)
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{
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_context = context;
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}
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/// <summary>跳转到指定预置点</summary>
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public async Task GotoPresetAsync(int presetIndex)
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{
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await ExecutePresetAction(presetIndex, GOTO_PRESET, "调用");
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}
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/// <summary>将当前位置保存为预置点</summary>
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public async Task SetPresetAsync(int presetIndex)
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{
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await ExecutePresetAction(presetIndex, SET_PRESET, "保存");
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}
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/// <summary>删除指定的预置点</summary>
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public async Task RemovePresetAsync(int presetIndex)
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{
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await ExecutePresetAction(presetIndex, CLE_PRESET, "删除");
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}
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/// <summary>统一执行海康预置点 SDK 调用</summary>
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private async Task ExecutePresetAction(int index, uint command, string actionName)
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{
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int userId = _context.GetUserId();
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if (userId < 0) return;
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// 位置是从 1 开始, 调用 0 会导致设备重启
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if (index == 0) return;
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// 海康工业相机通道号通常为 1
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int channel = 1;
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await Task.Run(() =>
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{
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// Optimized: [原因] 使用 _Other 接口确保在单机多路并发下通道句柄准确
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bool result = HikNativeMethods.NET_DVR_PTZPreset_Other(
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userId,
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channel,
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command,
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(uint)index
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);
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if (!result)
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{
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uint err = HikNativeMethods.NET_DVR_GetLastError();
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Log.ForContext("SourceContext", LogModules.HikVisionSdk)
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.Warning("[SDK] Hik 预置点{Action}失败. Index: {Index}, Error: {Error}",
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actionName, index, err);
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}
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else
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{
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Log.ForContext("SourceContext", LogModules.HikVisionSdk)
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.Debug("[SDK] Hik 预置点{Action}成功. Index: {Index}", actionName, index);
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}
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});
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}
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}
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