在 AiVideo 中能看到图像

增加了在线状态同步逻辑

SHH.CameraDashboard/Invokes/Interceptors/InterceptorPipeline.cs

@@ -0,0 +1,47 @@
+namespace SHH.CameraDashboard
+{
+    // 简单的上下文定义
+    public class ProtocolContext
+    {
+        public string Protocol { get; set; }
+        public byte[] Data { get; set; }
+        public bool IsBlocked { get; set; } = false;
+        public ProtocolContext(string p, byte[] d) { Protocol = p; Data = d; }
+    }
+
+    public interface IProtocolInterceptor
+    {
+        Task OnSendingAsync(ProtocolContext context);
+        Task OnReceivedAsync(ProtocolContext context);
+    }
+
+    public class InterceptorPipeline
+    {
+        // 因为 Dashboard 可能没有复杂的 DI，这里支持手动添加列表
+        private readonly List<IProtocolInterceptor> _interceptors = new List<IProtocolInterceptor>();
+
+        public void Add(IProtocolInterceptor interceptor) => _interceptors.Add(interceptor);
+
+        public async Task<ProtocolContext?> ExecuteSendAsync(string protocol, byte[] data)
+        {
+            var ctx = new ProtocolContext(protocol, data);
+            foreach (var i in _interceptors)
+            {
+                await i.OnSendingAsync(ctx);
+                if (ctx.IsBlocked) return null;
+            }
+            return ctx;
+        }
+
+        public async Task<ProtocolContext?> ExecuteReceiveAsync(string protocol, byte[] data)
+        {
+            var ctx = new ProtocolContext(protocol, data);
+            foreach (var i in _interceptors)
+            {
+                await i.OnReceivedAsync(ctx);
+                if (ctx.IsBlocked) return null;
+            }
+            return ctx;
+        }
+    }
+}

SHH.CameraDashboard/Invokes/StreamReceiverService.cs

@@ -1,4 +1,5 @@
-using NetMQ;
+using MessagePack;
+using NetMQ;
 using NetMQ.Sockets;
 using Newtonsoft.Json;
 using SHH.Contracts; // ★★★ 必须引用契约库 ★★★
@@ -77,9 +78,16 @@ public class StreamReceiverService : IDisposable
                 // 3. 协议头校验 (Frame 0)
                 if (msg[0].ConvertToString() != "SHH_V1") continue;
 
+                //// 4. 反序列化元数据 (Frame 1)
+                //string json = msg[1].ConvertToString();
+                //var payload = JsonConvert.DeserializeObject<VideoPayload>(json);
+                
                 // 4. 反序列化元数据 (Frame 1)
-                string json = msg[1].ConvertToString();
-                var payload = JsonConvert.DeserializeObject<VideoPayload>(json);
+                // 直接获取二进制数据，不需要转 String (省去了 UTF8 解码开销)
+                byte[] metaBytes = msg[1].ToByteArray();
+
+                // 极速反序列化
+                var payload = MessagePackSerializer.Deserialize<VideoPayload>(metaBytes);
 
                 if (payload == null) continue;