serverRoom/device-agent/DeviceAgent.csproj
lvfengfree ed9d1d7325 feat: 屏幕监控大规模优化 - 支持60台设备同时监控
- Agent端优化:
  * 添加质量档位定义 (Low: 320x180@3fps, High: 1280x720@15fps)
  * H.264编码器支持动态质量切换
  * 屏幕流服务支持按需推流和质量控制
  * 添加SignalR信令客户端连接服务器

- 服务器端优化:
  * 添加StreamSignalingHub处理质量控制信令
  * 支持设备注册/注销和监控状态管理
  * 支持教师端监控控制和设备选中

- 前端组件:
  * 创建H264VideoPlayer组件支持H.264和JPEG模式
  * 更新学生屏幕监控页面使用新组件

- 性能提升:
  * 带宽从120Mbps降至6-7Mbps (降低95%)
  * 监控墙模式: 60台100kbps=6Mbps
  * 单机放大模式: 1台1Mbps+59台100kbps=6.9Mbps
  * 无人观看时停止推流节省带宽
2026-01-23 15:37:37 +08:00

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<Project Sdk="Microsoft.NET.Sdk.Worker">
<PropertyGroup>
<TargetFramework>net10.0-windows10.0.19041.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<UserSecretsId>dotnet-DeviceAgent-25efbdaa-d8e7-4087-b899-12e134067c2c</UserSecretsId>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="10.0.2" />
<PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="10.0.2" />
<PackageReference Include="System.Drawing.Common" Version="10.0.2" />
<PackageReference Include="System.Management" Version="10.0.2" />
<PackageReference Include="SharpDX" Version="4.2.0" />
<PackageReference Include="SharpDX.MediaFoundation" Version="4.2.0" />
<PackageReference Include="SharpDX.Direct3D11" Version="4.2.0" />
<PackageReference Include="SharpDX.DXGI" Version="4.2.0" />
</ItemGroup>
<ItemGroup>
<FrameworkReference Include="Microsoft.AspNetCore.App" />
</ItemGroup>
</Project>