Wpf_AiSportsMicrospace/Common/SportOperate.cs

@@ -27,7 +27,6 @@ namespace Wpf_AiSportsMicrospace.Common
         IPointTracker _rightTracker;
         IPointTracker _leftElbow;
         IPointTracker _rightElbow;
-        WebcamClient _webcamClient;
 
         public SportOperate()
         {
@@ -43,8 +42,8 @@ namespace Wpf_AiSportsMicrospace.Common
         }
         public WebcamClient CreateRTSP()
         {
-            _webcamClient = WebcamClient.CreateRTSP("192.168.3.64", "admin", "yd708090", 554u);
-            return _webcamClient;
+            WebcamClient webcamClient = WebcamClient.CreateRTSP("192.168.3.64", "admin", "yd708090", 554u);
+            return webcamClient;
         }
 
         /// <summary>

Wpf_AiSportsMicrospace/Home.xaml.cs

@@ -1,7 +1,6 @@
 
 using Microsoft.ML.Runtime;
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
@@ -37,8 +36,7 @@ namespace Wpf_AiSportsMicrospace
         private SportBase _sport;
         private readonly SportDetectionQueue _detectQueue;
         private WebcamClient _webcamClient;
-        private ConcurrentQueue<VideoFrame> _frameQueue = new();
-        private CancellationTokenSource _cts = new();
+
         private SportOperate _sportOperate;
 
         public Home()
@@ -78,36 +76,17 @@ namespace Wpf_AiSportsMicrospace
             _sportOperate = new SportOperate();
             _webcamClient = _sportOperate.CreateRTSP();
 
-            _webcamClient.OnExtractFrame += frame =>
-            {
-                if (frame != null)
-                    _frameQueue.Enqueue(frame);
-            };
-            _webcamClient.StartExtract();
-
-            StartFrameProcessing();
+            //处理抽帧回调
+            _webcamClient.OnExtractFrame += this.OnFrameExtracted;
+            _webcamClient.StartExtract();//开始抽帧
         }
 
-        private void StartFrameProcessing()
+        private void OnFrameExtracted(VideoFrame frame)
         {
+            if (frame == null) return;
+
+            // 抽帧和人体识别全部在后台线程
             Task.Run(() =>
-            {
-                while (!_cts.Token.IsCancellationRequested)
-                {
-                    if (_frameQueue.TryDequeue(out var frame))
-                    {
-                        ProcessFrame(frame);
-                    }
-                    else
-                    {
-                        Thread.Sleep(5);
-                    }
-                }
-            }, _cts.Token);
-        }
-
-
-        private void ProcessFrame(VideoFrame frame)
             {
                 try
                 {
@@ -154,20 +133,31 @@ namespace Wpf_AiSportsMicrospace
                     if (liftHandAction == 1)
                     {
                         // 启动进度条动画;
-                    Dispatcher.BeginInvoke(() => coverFlow.StartSelectedProgress());
+                        SlideCoverFlow(coverFlow.StartSelectedProgress);
+                        return;
                     }
                 }
                 catch (Exception ex)
                 {
                     Console.WriteLine("OnFrameExtracted error: " + ex.Message);
                 }
+            });
         }
 
-        protected override void OnClosed(EventArgs e)
+        // 抽象 UI 更新到方法中
+        private void SlideCoverFlow(Action slideAction)
         {
-            base.OnClosed(e);
-            _cts.Cancel();
-            _webcamClient?.StopExtract();
+            Application.Current?.Dispatcher?.BeginInvoke(new Action(() =>
+            {
+                try
+                {
+                    slideAction?.Invoke();
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine("UI update error: " + ex.Message);
+                }
+            }), System.Windows.Threading.DispatcherPriority.Background);
         }
     }
 }