147 lines
5.3 KiB
C#
147 lines
5.3 KiB
C#
using Microsoft.AspNetCore.Builder;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.OpenApi.Models;
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using SHH.CameraSdk;
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using System.Diagnostics;
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// ==============================================================================
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// 1. 基础设施初始化
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// ==============================================================================
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InitHardwareEnv();
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using var cameraManager = new CameraManager();
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// ==============================================================================
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// 2. 启动 Web 监控与诊断服务
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// ==============================================================================
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var app = await StartWebMonitoring(cameraManager);
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// ==============================================================================
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// 3. 业务编排：配置设备与流控策略 (8+2 演示)
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// ==============================================================================
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await ConfigureBusinessLogic(cameraManager);
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// ==============================================================================
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// 4. 启动引擎与交互
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// ==============================================================================
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Console.WriteLine("\n[系统] 正在启动全局管理引擎...");
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await cameraManager.StartAsync();
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Console.WriteLine(">> 系统就绪。访问 http://localhost:5000/swagger 查看诊断信息。");
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Console.WriteLine(">> 按 'S' 键退出...");
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while (Console.ReadKey(true).Key != ConsoleKey.S) { Thread.Sleep(100); }
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Console.WriteLine("[系统] 正在停机...");
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await app.StopAsync();
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// ==============================================================================
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// Local Functions (方法拆分)
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// ==============================================================================
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static void InitHardwareEnv()
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{
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Console.WriteLine("=== 工业级视频 SDK 架构测试 (V3.3 分层版) ===");
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Console.WriteLine("[硬件] 海康驱动预热中...");
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HikNativeMethods.NET_DVR_Init();
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HikSdkManager.ForceWarmUp(); // 强制加载 PlayCtrl.dll
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Console.WriteLine("[硬件] 预热完成。");
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}
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static async Task<WebApplication> StartWebMonitoring(CameraManager manager)
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{
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var builder = WebApplication.CreateBuilder();
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// 注入服务
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builder.Services.AddControllers();
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builder.Services.AddEndpointsApiExplorer();
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builder.Services.AddSwaggerGen(c =>
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{
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c.SwaggerDoc("v1", new OpenApiInfo { Title = "SHH Camera Diagnostics", Version = "v1" });
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});
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builder.Services.AddCors(o => o.AddPolicy("AllowAll", p => p.AllowAnyOrigin().AllowAnyMethod().AllowAnyHeader()));
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// 关键：注入单例 Manager
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builder.Services.AddSingleton(manager);
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var webApp = builder.Build();
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// 配置管道
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webApp.UseSwagger();
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webApp.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "Diagnostics V1"));
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webApp.UseCors("AllowAll");
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webApp.MapControllers();
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// 异步启动，不阻塞主线程
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_ = webApp.RunAsync("http://0.0.0.0:5000");
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Console.WriteLine("[Web] 监控API已启动: http://localhost:5000");
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return webApp;
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}
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static async Task ConfigureBusinessLogic(CameraManager manager)
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{
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// 1. 配置设备
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var config = new VideoSourceConfig
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{
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Id = 101,
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Brand = DeviceBrand.HikVision,
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IpAddress = "172.16.41.206",
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Port = 8000,
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Username = "admin",
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Password = "abcd1234",
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StreamType = 0 // 主码流
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};
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manager.AddDevice(config);
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if (manager.GetDevice(101) is HikVideoSource hikCamera)
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{
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// 2. 注册需求 (告诉控制器我要什么)
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// ----------------------------------------------------
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hikCamera.Controller.Register("WPF_Display_Main", 8); // UI 要 8 帧
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hikCamera.Controller.Register("AI_Behavior_Engine", 2); // AI 要 2 帧
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// 1. 注册差异化需求 (给每个消费者唯一的 AppId)
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// ----------------------------------------------------
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// 模拟：A 进程（如远程预览）带宽有限，只要 3fps
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hikCamera.Controller.Register("Process_A_Remote", 3);
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// 模拟：B 进程（如本地大屏）性能强劲，要 8fps
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hikCamera.Controller.Register("Process_B_Local", 8);
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// 模拟：AI 引擎
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hikCamera.Controller.Register("AI_Engine_Core", 2);
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// 2. 精准订阅 (Subscribe 替代了 +=)
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// ----------------------------------------------------
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// [消费者 A] - 绝对只会收到 3fps
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GlobalStreamDispatcher.Subscribe("Process_A_Remote", (deviceId, frame) =>
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{
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// 这里不需要判断 deviceId，也不需要判断 frame 类型
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// 能进这个回调，说明这帧就是专为 Process_A_Remote 准备的
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if (deviceId == 101)
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{
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Console.WriteLine($"[Process A] 远程推流一帧 (3fps节奏)");
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}
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});
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// [消费者 B] - 绝对只会收到 8fps
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GlobalStreamDispatcher.Subscribe("Process_B_Local", (deviceId, frame) =>
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{
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if (deviceId == 101)
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{
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Console.WriteLine($"[Process B] 本地渲染一帧 (8fps节奏)");
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}
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});
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// [消费者 AI]
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GlobalStreamDispatcher.Subscribe("AI_Engine_Core", (deviceId, frame) =>
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{
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if (deviceId == 101)
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{
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Console.WriteLine($" >>> [AI] 分析一帧...");
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}
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});
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}
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} |