修复问题

ruoyi-video/src/main/java/com/ruoyi/video/thread/MediaTransferFlvByJavacv.java

@@ -369,8 +369,11 @@ public class MediaTransferFlvByJavacv extends MediaTransfer implements Runnable
         long lastDetectionTime = 0;
         List<Detection> currentDetections = Collections.emptyList(); // 当前显示的检测结果
         
-        // 避免递归和栈溢出的关键：不使用递归调用，使用循环
+        // 检测计数器和性能统计
-        // 避免过深的方法调用链
+        int totalDetections = 0;
+        int successfulDetections = 0;
+        long totalDetectionTime = 0;
+        
         for (; running && grabberStatus && recorderStatus; ) {
             try {
                 if (transferFlag) {
@@ -428,10 +431,52 @@ public class MediaTransferFlvByJavacv extends MediaTransfer implements Runnable
                                 if (detectionMat != null && !detectionMat.empty()) {
                                     // 执行检测
                                     try {
+                                        // 打印检测开始信息
+                                        log.info("===== 开始执行检测 [{}] =====", new java.text.SimpleDateFormat("HH:mm:ss.SSS").format(new java.util.Date()));
+                                        totalDetections++;
+                                        
+                                        // 记录检测开始时间
+                                        long detectionStartTime = System.currentTimeMillis();
+                                        
+                                        // 执行检测
                                         currentDetections = detector.detect(detectionMat);
+                                        
+                                        // 计算检测耗时
+                                        long detectionTime = System.currentTimeMillis() - detectionStartTime;
+                                        totalDetectionTime += detectionTime;
+                                        successfulDetections++;
+                                        
+                                        // 更新最后检测时间
                                         lastDetectionTime = currentTime;
                                         latestDetections.set(currentDetections);
                                         
+                                        // 打印检测结果
+                                        StringBuilder detectionInfo = new StringBuilder();
+                                        detectionInfo.append("\n===== 检测结果 =====\n");
+                                        detectionInfo.append("检测耗时: ").append(detectionTime).append("ms\n");
+                                        detectionInfo.append("检测目标数: ").append(currentDetections == null ? 0 : currentDetections.size()).append("\n");
+                                        
+                                        if (currentDetections != null && !currentDetections.isEmpty()) {
+                                            detectionInfo.append("检测到的目标:\n");
+                                            for (int i = 0; i < currentDetections.size(); i++) {
+                                                Detection det = currentDetections.get(i);
+                                                detectionInfo.append("  ").append(i+1).append(". ");
+                                                detectionInfo.append("类型: ").append(det.cls());
+                                                detectionInfo.append(", 置信度: ").append(String.format("%.2f", det.conf()));
+                                            }
+                                        } else {
+                                            detectionInfo.append("未检测到目标\n");
+                                        }
+                                        
+                                        // 打印检测统计
+                                        detectionInfo.append("\n检测统计:\n");
+                                        detectionInfo.append("总检测次数: ").append(totalDetections).append("\n");
+                                        detectionInfo.append("成功检测次数: ").append(successfulDetections).append("\n");
+                                        detectionInfo.append("平均检测时间: ").append(successfulDetections > 0 ? (totalDetectionTime / successfulDetections) : 0).append("ms\n");
+                                        detectionInfo.append("===== 检测结束 =====\n");
+                                        
+                                        log.info(detectionInfo.toString());
+                                        
                                         // 窗口巡检回调
                                         if (windowMode && detectionListener != null && 
                                             currentJobId != null && currentDeviceId != null) {
@@ -443,7 +488,7 @@ public class MediaTransferFlvByJavacv extends MediaTransfer implements Runnable
                                             } catch (Exception ignore) {}
                                         }
                                     } catch (Exception e) {
-                                        log.debug("检测异常: {}", e.getMessage());
+                                        log.error("检测异常: {}", e.getMessage(), e);
                                     } finally {
                                         // 确保释放Mat
                                         try {
@@ -453,7 +498,7 @@ public class MediaTransferFlvByJavacv extends MediaTransfer implements Runnable
                                     }
                                 }
                             } catch (Exception e) {
-                                log.debug("检测流程异常: {}", e.getMessage());
+                                log.error("检测流程异常: {}", e.getMessage(), e);
                             }
                         }