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backend/app.py

@@ -106,14 +106,8 @@ def init_app():
         # 初始化设备管理器
         device_manager = DeviceManager(db_manager)
         device_manager.set_socketio(socketio)  # 设置WebSocket连接
-        
-        # 自动启动推流以填充帧缓存
-        if device_manager.device_status['camera']:
-            streaming_result = device_manager.start_streaming()
-            logger.info(f'自动启动推流结果: {streaming_result}')
-        
         # 初始化视频流管理器
-        video_stream_manager = VideoStreamManager(socketio)
+        video_stream_manager = VideoStreamManager(socketio, device_manager)
         
         logger.info('应用初始化完成')
         
@@ -141,31 +135,6 @@ def api_health_check():
         'version': '1.0.0'
     })
 
-@app.route('/api/frame-cache/status', methods=['GET'])
-def get_frame_cache_status():
-    """获取帧缓存状态"""
-    try:
-        if device_manager:
-            cache_info = device_manager.get_frame_cache_info()
-            return jsonify({
-                'success': True,
-                'data': cache_info,
-                'timestamp': datetime.now().isoformat()
-            })
-        else:
-            return jsonify({
-                'success': False,
-                'error': '设备管理器未初始化',
-                'timestamp': datetime.now().isoformat()
-            }), 500
-    except Exception as e:
-        logger.error(f'获取帧缓存状态失败: {e}')
-        return jsonify({
-            'success': False,
-            'error': str(e),
-            'timestamp': datetime.now().isoformat()
-        }), 500
-
 # ==================== 认证API ====================
 
 @app.route('/api/auth/login', methods=['POST'])
@@ -719,7 +688,7 @@ def stop_detection(session_id):
             }), 400
         
         data = flask_request.get_json()
-        logger.debug(f'接收到停止检测请求，session_id: {session_id}, 请求数据: {data}')
+        # logger.debug(f'接收到停止检测请求，session_id: {session_id}, 请求数据: {data}')
         # video_data = data.get('videoData') if data else None
         video_data = data['videoData']
         mime_type = data.get('mimeType', 'video/webm;codecs=vp9')  # 默认webm格式
@@ -742,11 +711,11 @@ def stop_detection(session_id):
             }), 400
         # 停止同步录制，传递视频数据
         try:
-            logger.debug(f'调用device_manager.stop_recording，session_id: {session_id}, video_data长度: {len(video_data) if video_data else 0}')
+            # logger.debug(f'调用device_manager.stop_recording，session_id: {session_id}, video_data长度: {len(video_data) if video_data else 0}')
-            if video_data is None:
+            # if video_data is None:
-                logger.warning(f'视频数据为空，session_id: {session_id}')
+            #     logger.warning(f'视频数据为空，session_id: {session_id}')
-            else:
+            # else:
-                logger.debug(f'视频数据长度: {len(video_data)} 字符，约 {len(video_data)*3/4/1024:.2f} KB, session_id: {session_id}')
+            #     logger.debug(f'视频数据长度: {len(video_data)} 字符，约 {len(video_data)*3/4/1024:.2f} KB, session_id: {session_id}')
             restrt=device_manager.stop_recording(session_id, video_data_base64=video_bytes)
             logger.error(restrt)
         except Exception as rec_e:

backend/app_simple.py

@@ -79,7 +79,7 @@ def init_app():
         logger.info("设备管理器初始化成功")
         
         # 初始化视频流管理器
-        video_stream_manager = VideoStreamManager()
+        video_stream_manager = VideoStreamManager(device_manager=device_manager)
         logger.info("视频流管理器初始化成功")
         
         logger.info("应用初始化完成")

backend/database.py

@@ -658,8 +658,12 @@ class DatabaseManager:
             logger.error(f'创建检测会话失败: {e}')
             raise
     
-    def update_session_status(self, session_id: str, status: str):
+    def update_session_status(self, session_id: str, status: str) -> bool:
-        """更新会话状态"""
+        """更新会话状态
+        
+        Returns:
+            bool: 更新成功返回True，失败返回False
+        """
         conn = self.get_connection()
         cursor = conn.cursor()
         
@@ -681,11 +685,12 @@ class DatabaseManager:
             
             conn.commit()
             logger.info(f'更新会话状态: {session_id} -> {status}')
+            return True
             
         except Exception as e:
             conn.rollback()
             logger.error(f'更新会话状态失败: {e}')
-            raise
+            return False
     
     def update_session_duration(self, session_id: str, duration: int):
         """更新会话持续时间"""