84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
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using SHH.Contracts;
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using System.Collections.ObjectModel;
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using System.Windows.Input;
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namespace SHH.CameraDashboard
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{
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public class VideoWallViewModel : ViewModelBase
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{
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// 引用推流接收服务
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private readonly VideoPushServer _pushServer;
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// 视频列表
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public ObservableCollection<VideoTileViewModel> VideoTiles { get; } = new ObservableCollection<VideoTileViewModel>();
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// 控制 UniformGrid 的列数 (决定是 2x2 还是 3x3)
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private int _columns = 2;
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public int Columns
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{
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get => _columns;
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set => SetProperty(ref _columns, value);
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}
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// 切换布局命令
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public ICommand SetLayoutCommand { get; }
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public VideoWallViewModel()
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{
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SetLayoutCommand = new RelayCommand<string>(ExecuteSetLayout);
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// 1. 初始化并启动接收服务
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_pushServer = new VideoPushServer();
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_pushServer.OnFrameReceived += OnGlobalFrameReceived;
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// 2. 启动监听端口 (比如 6000)
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// 之后你的采集端 ForwarderClient 需要 Connect("tcp://你的IP:6000")
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_pushServer.Start(6000);
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// 3. 初始化格子 (不再需要传入 IP/Port 去主动连接了)
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// 我们用 CameraId 或 Name 来作为匹配标识
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InitVideoTiles();
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}
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/// <summary>
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/// 全局接收回调：收到任何一路视频都会进这里
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/// </summary>
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private void OnGlobalFrameReceived(VideoPayload payload)
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{
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// 1. 在 VideoTiles 集合中找到对应的格子
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// 假设 payload.CameraId 与我们 VideoTileViewModel 中的 ID 对应
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//var targetTile = VideoTiles.FirstOrDefault(t => t.id == payload.CameraId);
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//if (targetTile != null)
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//{
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// // 2. 将数据交给格子去渲染
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// targetTile.UpdateFrame(payload);
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//}
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}
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private void InitVideoTiles()
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{
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// 假设我们预设 4 个格子，分别对应不同的摄像头 ID
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// 这里 ID 必须和采集端发送的 VideoPayload.CameraId 一致
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//VideoTiles.Add(new VideoTileViewModel("1004", "仓库通道"));
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}
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public void AddCamera(string ip, int port, string name)
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{
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var tile = new VideoTileViewModel(ip, port, name);
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VideoTiles.Add(tile);
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}
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private void ExecuteSetLayout(string layoutType)
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{
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switch (layoutType)
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{
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case "1x1": Columns = 1; break;
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case "2x2": Columns = 2; break;
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case "3x3": Columns = 3; break;
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case "4x4": Columns = 4; break;
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default: Columns = 2; break;
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}
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}
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}
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}
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