801 lines
33 KiB
Python
801 lines
33 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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综合录制管理器
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支持屏幕录制和足部视频录制
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"""
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import cv2
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import numpy as np
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import pyautogui
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import threading
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import time
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from datetime import datetime
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import os
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import logging
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import json
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import base64
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from pathlib import Path
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from typing import Optional, Dict, Any
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import sys
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try:
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from .camera_manager import CameraManager
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from .femtobolt_manager import FemtoBoltManager
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from .pressure_manager import PressureManager
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except ImportError:
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from camera_manager import CameraManager
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from femtobolt_manager import FemtoBoltManager
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from pressure_manager import PressureManager
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class RecordingManager:
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def __init__(self, camera_manager: Optional[CameraManager] = None, db_manager=None,
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femtobolt_manager: Optional[FemtoBoltManager] = None,
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pressure_manager: Optional[PressureManager] = None):
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"""
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初始化录制管理器
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Args:
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camera_manager: 相机管理器实例
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db_manager: 数据库管理器实例
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femtobolt_manager: FemtoBolt深度相机管理器实例
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pressure_manager: 压力传感器管理器实例
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"""
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self.camera_manager = camera_manager
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self.db_manager = db_manager
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self.femtobolt_manager = femtobolt_manager
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self.pressure_manager = pressure_manager
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# 录制状态
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self.sync_recording = False
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self.recording_stop_event = threading.Event()
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# 会话信息
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self.current_session_id = None
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self.current_patient_id = None
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self.recording_start_time = None
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# 视频写入器
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self.feet_video_writer = None
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self.screen_video_writer = None
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# 录制线程
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self.feet_recording_thread = None
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self.screen_recording_thread = None
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# 屏幕录制参数
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self.screen_fps = 20
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self.screen_region = None
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self.screen_size = pyautogui.size()
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# 视频参数
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self.MAX_FRAME_SIZE = (1280, 720) # 最大帧尺寸
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# 日志
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self.logger = logging.getLogger(__name__)
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self.logger.info("录制管理器初始化完成")
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def start_recording(self, session_id: str, patient_id: str) -> Dict[str, Any]:
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"""
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启动同步录制
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Args:
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session_id: 检测会话ID
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patient_id: 患者ID
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Returns:
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Dict: 录制启动状态和信息
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"""
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result = {
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'success': False,
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'session_id': session_id,
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'patient_id': patient_id,
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'recording_start_time': None,
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'video_paths': {
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'feet_video': None,
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'screen_video': None
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},
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'message': ''
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}
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try:
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# 检查是否已在录制
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if self.sync_recording:
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result['message'] = f'已在录制中，当前会话ID: {self.current_session_id}'
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return result
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# 设置录制参数
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self.current_session_id = session_id
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self.current_patient_id = patient_id
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self.recording_start_time = datetime.now()
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data_base_path = os.path.join('data', 'patients', patient_id, session_id)
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# 创建存储目录
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if getattr(sys, 'frozen', False):
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# 打包后的exe文件路径
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exe_dir = os.path.dirname(sys.executable)
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base_path = os.path.join(exe_dir, 'data', 'patients', patient_id, session_id)
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else:
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base_path = os.path.join('data', 'patients', patient_id, session_id)
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try:
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os.makedirs(base_path, exist_ok=True)
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self.logger.info(f'录制目录创建成功: {base_path}')
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# 设置目录权限
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self._set_directory_permissions(base_path)
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except Exception as dir_error:
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self.logger.error(f'创建录制目录失败: {base_path}, 错误: {dir_error}')
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result['success'] = False
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result['message'] = f'创建录制目录失败: {dir_error}'
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return result
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# 定义视频文件路径
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feet_video_path = os.path.join(base_path, 'feet.mp4')
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screen_video_path = os.path.join(base_path, 'screen.mp4')
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result['video_paths']['feet_video'] = feet_video_path
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result['video_paths']['screen_video'] = screen_video_path
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# 更新数据库中的视频路径
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if self.db_manager:
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try:
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# 更新会话状态为录制中
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if not self.db_manager.update_session_status(session_id, 'recording'):
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self.logger.error(f'更新会话状态为录制中失败 - 会话ID: {session_id}')
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# 更新视频文件路径
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self.db_manager.update_session_normal_video_path(session_id, os.path.join(data_base_path, 'feet.mp4'))
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self.db_manager.update_session_screen_video_path(session_id, os.path.join(data_base_path, 'screen.mp4'))
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self.logger.debug(f'数据库视频路径更新成功 - 会话ID: {session_id}')
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except Exception as db_error:
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self.logger.error(f'更新数据库视频路径失败: {db_error}')
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# 视频编码参数
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fourcc = cv2.VideoWriter_fourcc(*'avc1')
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fps = 30
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# 初始化足部视频写入器
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if self.camera_manager and self.camera_manager.is_connected:
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target_width, target_height = self.MAX_FRAME_SIZE
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self.feet_video_writer = cv2.VideoWriter(
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feet_video_path, fourcc, fps, (target_width, target_height)
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)
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if self.feet_video_writer.isOpened():
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self.logger.info(f'脚部视频写入器初始化成功: {feet_video_path}')
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else:
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self.logger.error(f'脚部视频写入器初始化失败: {feet_video_path}')
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else:
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self.logger.warning('相机设备未启用，跳过脚部视频写入器初始化')
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# 初始化屏幕录制写入器
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# record_size = self.screen_region[2:4] if self.screen_region else self.screen_size
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# print('屏幕写入器的宽高..............',record_size)
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# self.screen_video_writer = cv2.VideoWriter(
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# screen_video_path, fourcc, fps, (self.screen_size[0],self.screen_size[1])
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# )
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# 检查屏幕视频写入器状态（仅在初始化时）
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if self.screen_video_writer and self.screen_video_writer.isOpened():
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self.logger.info(f'屏幕视频写入器初始化成功: {screen_video_path}')
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elif self.screen_video_writer:
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self.logger.error(f'屏幕视频写入器初始化失败: {screen_video_path}')
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else:
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self.logger.info('屏幕录制功能暂时禁用')
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# 重置停止事件
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self.recording_stop_event.clear()
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self.sync_recording = True
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# 启动录制线程
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if self.feet_video_writer:
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self.feet_recording_thread = threading.Thread(
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target=self._feet_recording_thread,
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daemon=True,
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name='FeetRecordingThread'
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)
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self.feet_recording_thread.start()
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# if self.screen_video_writer:
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# self.screen_recording_thread = threading.Thread(
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# target=self._screen_recording_thread,
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# daemon=True,
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# name='ScreenRecordingThread'
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# )
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# self.screen_recording_thread.start()
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result['success'] = True
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result['recording_start_time'] = self.recording_start_time.isoformat()
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result['message'] = '同步录制已启动'
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self.logger.info(f'同步录制已启动 - 会话ID: {session_id}, 患者ID: {patient_id}')
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except Exception as e:
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self.logger.error(f'启动同步录制失败: {e}')
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result['message'] = f'启动录制失败: {str(e)}'
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# 清理已创建的写入器
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self._cleanup_video_writers()
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return result
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def stop_recording(self, session_id: str = None) -> Dict[str, Any]:
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"""
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停止录制
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Args:
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session_id: 会话ID，用于验证是否为当前录制会话
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Returns:
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Dict: 停止录制的结果
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"""
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result = {
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'success': False,
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'session_id': self.current_session_id,
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'message': ''
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}
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try:
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# 验证会话ID
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if session_id and session_id != self.current_session_id:
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result['message'] = f'会话ID不匹配: 期望 {self.current_session_id}, 收到 {session_id}'
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return result
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if not self.sync_recording:
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result['message'] = '当前没有进行录制'
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return result
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# 设置停止标志
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self.sync_recording = False
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self.recording_stop_event.set()
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# 等待录制线程结束
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if self.feet_recording_thread and self.feet_recording_thread.is_alive():
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self.feet_recording_thread.join(timeout=5.0)
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if self.screen_recording_thread and self.screen_recording_thread.is_alive():
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self.screen_recording_thread.join(timeout=5.0)
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# 清理视频写入器
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self._cleanup_video_writers()
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# 更新数据库状态
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if self.db_manager and self.current_session_id:
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try:
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self.db_manager.update_session_status(self.current_session_id, 'completed')
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self.logger.info(f'会话状态已更新为完成 - 会话ID: {self.current_session_id}')
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except Exception as db_error:
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self.logger.error(f'更新数据库状态失败: {db_error}')
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result['success'] = True
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result['message'] = '录制已停止'
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self.logger.info(f'录制已停止 - 会话ID: {self.current_session_id}')
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# 重置会话信息
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self.current_session_id = None
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self.current_patient_id = None
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self.recording_start_time = None
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except Exception as e:
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self.logger.error(f'停止录制失败: {e}')
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result['message'] = f'停止录制失败: {str(e)}'
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return result
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def _feet_recording_thread(self):
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"""足部视频录制线程"""
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consecutive_failures = 0
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max_consecutive_failures = 10
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recording_frame_count = 0
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self.logger.info(f"足部录制线程已启动 - 会话ID: {self.current_session_id}")
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self.logger.info(f"视频写入器状态: {self.feet_video_writer.isOpened() if self.feet_video_writer else 'None'}")
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try:
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# 使用与屏幕录制相同的帧率控制
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target_fps = 30 # 目标帧率
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frame_interval = 1.0 / target_fps
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last_frame_time = time.time()
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while self.sync_recording and not self.recording_stop_event.is_set():
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current_time = time.time()
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# 检查是否到了下一帧的时间
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if current_time - last_frame_time >= frame_interval:
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if self.feet_video_writer:
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# 从相机管理器的全局缓存获取最新帧
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frame, frame_timestamp = self.camera_manager._get_latest_frame_from_cache('camera')
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if frame is not None:
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self.logger.debug(f"成功获取帧 - 尺寸: {frame.shape}, 数据类型: {frame.dtype}, 时间戳: {frame_timestamp}")
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# 检查视频写入器状态
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if not self.feet_video_writer.isOpened():
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self.logger.error(f"脚部视频写入器已关闭，无法写入帧 - 会话ID: {self.current_session_id}")
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break
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try:
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# 调整帧尺寸到目标大小
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resized_frame = cv2.resize(frame, self.MAX_FRAME_SIZE)
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# 写入录制文件
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write_success = self.feet_video_writer.write(resized_frame)
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if write_success is False:
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self.logger.error(f"视频帧写入返回False - 可能写入失败")
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consecutive_failures += 1
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else:
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consecutive_failures = 0
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recording_frame_count += 1
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except Exception as write_error:
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self.logger.error(f"写入脚部视频帧异常: {write_error}")
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consecutive_failures += 1
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if consecutive_failures >= 10:
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self.logger.error("连续写入失败次数过多，停止录制")
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break
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else:
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# 如果没有获取到帧，写入上一帧或黑色帧来保持帧率
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consecutive_failures += 1
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if consecutive_failures <= 3:
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self.logger.warning(f"录制线程无法从缓存获取帧 (连续失败{consecutive_failures}次)")
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elif consecutive_failures == max_consecutive_failures:
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self.logger.error(f"录制线程连续失败{max_consecutive_failures}次，可能缓存无数据或推流已停止")
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last_frame_time = current_time
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else:
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self.logger.error("足部视频写入器未初始化")
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break
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# 短暂休眠避免CPU占用过高
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time.sleep(0.01)
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# 检查连续失败情况
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if consecutive_failures >= max_consecutive_failures:
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self.logger.error(f"连续失败次数达到上限({max_consecutive_failures})，停止录制")
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break
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except Exception as e:
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self.logger.error(f'足部录制线程异常: {e}')
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finally:
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self.logger.info(f"足部录制线程已结束 - 会话ID: {self.current_session_id}, 总录制帧数: {recording_frame_count}")
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# 确保视频写入器被正确关闭
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if self.feet_video_writer:
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self.feet_video_writer.release()
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self.feet_video_writer = None
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self.logger.debug("足部视频写入器已释放")
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def _screen_recording_thread(self):
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"""屏幕录制线程"""
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self.logger.info(f"屏幕录制线程已启动 - 会话ID: {self.current_session_id}")
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recording_frame_count = 0
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try:
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# 使用与足部录制相同的帧率控制
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target_fps = 30 # 目标帧率
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frame_interval = 1.0 / target_fps
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last_frame_time = time.time()
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while self.sync_recording and not self.recording_stop_event.is_set():
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current_time = time.time()
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# 检查是否到了下一帧的时间
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if current_time - last_frame_time >= frame_interval:
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try:
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# 截取屏幕self.screen_size
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if self.screen_size:
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# print('获取截图的时候屏幕写入器的宽高..............',self.screen_region)
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width, height = self.screen_size
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screenshot = pyautogui.screenshot(region=(0, 0, width, height))
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else:
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# print('screen_region方法没找到。。。。。。。。。。。。。。。。。')
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screenshot = pyautogui.screenshot()
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# 转换为numpy数组
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frame = np.array(screenshot)
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# 转换颜色格式 (RGB -> BGR)
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frame = cv2.cvtColor(frame, cv2.COLOR_RGB2BGR)
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# 写入视频文件
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if self.screen_video_writer and self.screen_video_writer.isOpened():
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self.screen_video_writer.write(frame)
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recording_frame_count += 1
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last_frame_time = current_time
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except Exception as e:
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self.logger.error(f"屏幕录制异常: {e}")
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# 短暂休眠避免CPU占用过高
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time.sleep(0.01)
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except Exception as e:
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self.logger.error(f'屏幕录制线程异常: {e}')
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finally:
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self.logger.info(f"屏幕录制线程已结束 - 会话ID: {self.current_session_id}, 总录制帧数: {recording_frame_count}")
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# 确保视频写入器被正确关闭
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if self.screen_video_writer:
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self.screen_video_writer.release()
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self.screen_video_writer = None
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self.logger.debug("屏幕视频写入器已释放")
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def _cleanup_video_writers(self):
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"""清理视频写入器"""
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try:
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if self.feet_video_writer:
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self.feet_video_writer.release()
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self.feet_video_writer = None
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self.logger.debug("足部视频写入器已清理")
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if self.screen_video_writer:
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self.screen_video_writer.release()
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self.screen_video_writer = None
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self.logger.debug("屏幕视频写入器已清理")
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except Exception as e:
|
||
self.logger.error(f"清理视频写入器失败: {e}")
|
||
|
||
def _set_directory_permissions(self, path):
|
||
"""设置目录权限"""
|
||
try:
|
||
import subprocess
|
||
import platform
|
||
|
||
if platform.system() == 'Windows':
|
||
try:
|
||
# 为Users用户组授予完全控制权限
|
||
subprocess.run([
|
||
'icacls', path, '/grant', 'Users:(OI)(CI)F'
|
||
], check=True, capture_output=True, text=True)
|
||
|
||
# 为Everyone用户组授予完全控制权限
|
||
subprocess.run([
|
||
'icacls', path, '/grant', 'Everyone:(OI)(CI)F'
|
||
], check=True, capture_output=True, text=True)
|
||
|
||
self.logger.info(f"已设置Windows目录权限（Users和Everyone完全控制）: {path}")
|
||
except subprocess.CalledProcessError as icacls_error:
|
||
self.logger.warning(f"Windows权限设置失败: {icacls_error}")
|
||
else:
|
||
self.logger.info(f"已设置目录权限为777: {path}")
|
||
|
||
except Exception as perm_error:
|
||
self.logger.warning(f"设置目录权限失败: {perm_error}，但目录创建成功")
|
||
|
||
def set_screen_region(self, region):
|
||
"""设置屏幕录制区域"""
|
||
if self.sync_recording:
|
||
self.logger.warning("录制进行中，无法更改区域设置")
|
||
return False
|
||
|
||
self.screen_region = region
|
||
|
||
if self.screen_region:
|
||
x, y, width, height = self.screen_region
|
||
# 确保区域在屏幕范围内
|
||
x = max(0, min(x, self.screen_size[0] - 1))
|
||
y = max(0, min(y, self.screen_size[1] - 1))
|
||
width = min(width, self.screen_size[0] - x)
|
||
height = min(height, self.screen_size[1] - y)
|
||
self.screen_region = (x, y, width, height)
|
||
self.logger.info(f"录制区域已设置: {self.screen_region}")
|
||
else:
|
||
self.logger.info("录制模式已设置: 全屏录制")
|
||
|
||
return True
|
||
|
||
def get_status(self):
|
||
"""获取录制状态"""
|
||
return {
|
||
'recording': self.sync_recording,
|
||
'session_id': self.current_session_id,
|
||
'patient_id': self.current_patient_id,
|
||
'recording_start_time': self.recording_start_time.isoformat() if self.recording_start_time else None,
|
||
'screen_size': self.screen_size,
|
||
'screen_region': self.screen_region,
|
||
'screen_fps': self.screen_fps,
|
||
'feet_writer_active': self.feet_video_writer is not None and self.feet_video_writer.isOpened() if self.feet_video_writer else False,
|
||
'screen_writer_active': self.screen_video_writer is not None and self.screen_video_writer.isOpened() if self.screen_video_writer else False
|
||
}
|
||
|
||
|
||
|
||
def collect_detection_data(self, session_id: str, patient_id: str, detection_data: Dict[str, Any]) -> Dict[str, Any]:
|
||
"""
|
||
保存前端传入的检测数据和图片
|
||
|
||
Args:
|
||
session_id: 检测会话ID
|
||
patient_id: 患者ID
|
||
detection_data: 前端传入的检测数据，包含base64格式的图片数据
|
||
|
||
Returns:
|
||
Dict: 包含所有采集数据的字典，符合detection_data表结构
|
||
"""
|
||
# 生成采集时间戳
|
||
timestamp = datetime.now().strftime('%Y%m%d_%H%M%S_%f')[:-3] # 精确到毫秒
|
||
if getattr(sys, 'frozen', False):
|
||
# 打包后的exe文件路径
|
||
exe_dir = os.path.dirname(sys.executable)
|
||
data_dir = Path(os.path.join(exe_dir, 'data', 'patients', patient_id, session_id, timestamp))
|
||
else:
|
||
data_dir = Path(f'data/patients/{patient_id}/{session_id}/{timestamp}')
|
||
# 创建数据存储目录
|
||
data_dir.mkdir(parents=True, exist_ok=True)
|
||
|
||
# 设置目录权限为777（完全权限）
|
||
try:
|
||
import stat
|
||
os.chmod(str(data_dir), stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO) # 777权限
|
||
self.logger.debug(f"已设置目录权限为777: {data_dir}")
|
||
except Exception as perm_error:
|
||
self.logger.warning(f"设置目录权限失败: {perm_error}，但目录创建成功")
|
||
|
||
# 初始化数据字典
|
||
data = {
|
||
'session_id': session_id,
|
||
'head_pose': detection_data.get('head_pose'),
|
||
'body_pose': None,
|
||
'body_image': None,
|
||
'foot_data': detection_data.get('foot_data'),
|
||
'foot_data_image': None,
|
||
'foot_image': None,
|
||
'screen_image': None,
|
||
|
||
'timestamp': timestamp
|
||
}
|
||
|
||
try:
|
||
# 保存图片数据
|
||
image_fields = [
|
||
('body_image', 'body'),
|
||
('foot_image', 'foot'),
|
||
('foot_data_image', 'foot_data'),
|
||
('screen_image', 'screen')
|
||
]
|
||
|
||
for field, prefix in image_fields:
|
||
base64_data = detection_data.get(field)
|
||
if base64_data:
|
||
try:
|
||
# 移除base64头部信息
|
||
if ';base64,' in base64_data:
|
||
base64_data = base64_data.split(';base64,')[1]
|
||
|
||
# 解码base64数据
|
||
image_data = base64.b64decode(base64_data)
|
||
|
||
# 生成图片文件名
|
||
filename = f'{prefix}_{timestamp}.jpg'
|
||
file_path = data_dir / filename
|
||
|
||
# 保存图片
|
||
with open(file_path, 'wb') as f:
|
||
f.write(image_data)
|
||
|
||
# 更新数据字典中的图片路径
|
||
data[field] = str(os.path.join('data', 'patients', patient_id, session_id, timestamp, filename))
|
||
self.logger.debug(f'{field}保存成功: {filename}')
|
||
|
||
except Exception as e:
|
||
self.logger.error(f'保存{field}失败: {e}')
|
||
|
||
self.logger.debug(f'数据保存完成: {session_id}, 时间戳: {timestamp}')
|
||
|
||
except Exception as e:
|
||
self.logger.error(f'数据保存失败: {e}')
|
||
|
||
return data
|
||
|
||
def _collect_body_pose_data(self) -> Optional[Dict[str, Any]]:
|
||
"""
|
||
从FemtoBolt深度相机采集身体姿态数据
|
||
|
||
Returns:
|
||
Dict: 身体姿态数据字典
|
||
"""
|
||
try:
|
||
if self.femtobolt_manager and hasattr(self.femtobolt_manager, 'get_pose_data'):
|
||
pose_data = self.femtobolt_manager.get_pose_data()
|
||
return pose_data
|
||
else:
|
||
self.logger.warning('FemtoBolt管理器未连接或不支持姿态数据采集')
|
||
return None
|
||
except Exception as e:
|
||
self.logger.error(f'采集身体姿态数据失败: {e}')
|
||
return None
|
||
|
||
def _capture_body_image(self, data_dir) -> Optional[str]:
|
||
"""
|
||
从FemtoBolt深度相机采集身体截图
|
||
|
||
Args:
|
||
data_dir: 数据存储目录
|
||
|
||
Returns:
|
||
str: 身体截图文件的相对路径
|
||
"""
|
||
try:
|
||
if self.femtobolt_manager and hasattr(self.femtobolt_manager, 'get_latest_frame'):
|
||
frame = self.femtobolt_manager.get_latest_frame()
|
||
if frame is not None:
|
||
timestamp = datetime.now().strftime('%Y%m%d_%H%M%S_%f')[:-3]
|
||
filename = f'body_{timestamp}.jpg'
|
||
file_path = data_dir / filename
|
||
|
||
# 保存图像
|
||
cv2.imwrite(str(file_path), frame)
|
||
|
||
# 返回相对路径
|
||
return str(filename)
|
||
else:
|
||
self.logger.warning('FemtoBolt相机未获取到有效帧')
|
||
return None
|
||
else:
|
||
self.logger.warning('FemtoBolt管理器未连接或不支持图像采集')
|
||
return None
|
||
except Exception as e:
|
||
self.logger.error(f'采集身体截图失败: {e}')
|
||
return None
|
||
|
||
def _collect_foot_pressure_data(self) -> Optional[Dict[str, Any]]:
|
||
"""
|
||
从压力传感器采集足部压力数据
|
||
|
||
Returns:
|
||
Dict: 足部压力数据字典
|
||
"""
|
||
try:
|
||
if self.pressure_manager and hasattr(self.pressure_manager, 'get_pressure_data'):
|
||
pressure_data = self.pressure_manager.get_pressure_data()
|
||
return pressure_data
|
||
else:
|
||
self.logger.warning('压力传感器管理器未连接或不支持压力数据采集')
|
||
return None
|
||
except Exception as e:
|
||
self.logger.error(f'采集足部压力数据失败: {e}')
|
||
return None
|
||
|
||
def _generate_foot_pressure_image(self, data_dir) -> Optional[str]:
|
||
"""
|
||
生成足底压力数据图
|
||
|
||
Args:
|
||
data_dir: 数据存储目录
|
||
|
||
Returns:
|
||
str: 足底压力数据图文件的相对路径
|
||
"""
|
||
try:
|
||
if self.pressure_manager and hasattr(self.pressure_manager, 'generate_pressure_heatmap'):
|
||
timestamp = datetime.now().strftime('%Y%m%d_%H%M%S_%f')[:-3]
|
||
filename = f'foot_pressure_{timestamp}.jpg'
|
||
file_path = data_dir / filename
|
||
|
||
# 生成压力热力图
|
||
success = self.pressure_manager.generate_pressure_heatmap(str(file_path))
|
||
|
||
if success and file_path.exists():
|
||
# 返回相对路径
|
||
return str(file_path.relative_to(Path.cwd()))
|
||
else:
|
||
self.logger.warning('足底压力数据图生成失败')
|
||
return None
|
||
else:
|
||
self.logger.warning('压力传感器管理器未连接或不支持压力图生成')
|
||
return None
|
||
except Exception as e:
|
||
self.logger.error(f'生成足底压力数据图失败: {e}')
|
||
return None
|
||
|
||
def _capture_screen_image(self, data_dir) -> Optional[str]:
|
||
"""
|
||
采集屏幕截图
|
||
|
||
Args:
|
||
data_dir: 数据存储目录路径
|
||
|
||
Returns:
|
||
str: 截图文件的相对路径，失败返回None
|
||
"""
|
||
try:
|
||
# 截取屏幕
|
||
if self.screen_size:
|
||
width, height = self.screen_size
|
||
screenshot = pyautogui.screenshot(region=(0, 0, width, height))
|
||
else:
|
||
screenshot = pyautogui.screenshot()
|
||
|
||
# 保存截图
|
||
from pathlib import Path
|
||
image_path = Path(data_dir) / 'screen_image.png'
|
||
screenshot.save(str(image_path))
|
||
|
||
# # 返回相对路径
|
||
# abs_image_path = image_path.resolve()
|
||
# abs_cwd = Path.cwd().resolve()
|
||
# relative_path = abs_image_path.relative_to(abs_cwd)
|
||
|
||
return str('screen_image.png')
|
||
|
||
except Exception as e:
|
||
self.logger.error(f'屏幕截图失败: {e}')
|
||
return None
|
||
|
||
def _capture_foot_image(self, data_dir) -> Optional[str]:
|
||
"""
|
||
采集足部视频截图
|
||
|
||
Args:
|
||
data_dir: 数据存储目录路径
|
||
|
||
Returns:
|
||
str: 截图文件的相对路径，失败返回None
|
||
"""
|
||
try:
|
||
if not self.camera_manager or not self.camera_manager.is_connected:
|
||
self.logger.warning('相机设备未连接，无法采集足部截图')
|
||
return None
|
||
|
||
# 从相机管理器获取最新帧
|
||
frame, frame_timestamp = self.camera_manager._get_latest_frame_from_cache('camera')
|
||
|
||
if frame is None:
|
||
self.logger.warning('无法从相机获取帧数据')
|
||
return None
|
||
|
||
# 调整帧尺寸
|
||
resized_frame = cv2.resize(frame, self.MAX_FRAME_SIZE)
|
||
|
||
# 保存截图
|
||
from pathlib import Path
|
||
image_path = Path(data_dir) / 'foot_image.png'
|
||
cv2.imwrite(str(image_path), resized_frame)
|
||
|
||
# 返回相对路径
|
||
# abs_image_path = image_path.resolve()
|
||
# abs_cwd = Path.cwd().resolve()
|
||
# relative_path = abs_image_path.relative_to(abs_cwd)
|
||
|
||
return str(image_path)
|
||
|
||
except Exception as e:
|
||
self.logger.error(f'足部截图失败: {e}')
|
||
return None
|
||
|
||
|
||
# 保持向后兼容的ScreenRecorder类
|
||
class ScreenRecorder:
|
||
def __init__(self, output_dir="recordings", fps=20, quality=80, region=None):
|
||
"""向后兼容的屏幕录制器"""
|
||
self.recording_manager = RecordingManager()
|
||
self.recording_manager.screen_fps = fps
|
||
self.recording_manager.set_screen_region(region)
|
||
self.output_dir = output_dir
|
||
|
||
# 创建输出目录
|
||
if not os.path.exists(output_dir):
|
||
os.makedirs(output_dir)
|
||
|
||
def start_recording(self, filename=None):
|
||
"""开始录制"""
|
||
if filename is None:
|
||
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
|
||
filename = f"screen_record_{timestamp}"
|
||
|
||
# 使用文件名作为会话ID
|
||
session_id = filename
|
||
patient_id = "default"
|
||
|
||
return self.recording_manager.start_recording(session_id, patient_id)
|
||
|
||
def stop_recording(self):
|
||
"""停止录制"""
|
||
return self.recording_manager.stop_recording()
|
||
|
||
def get_status(self):
|
||
"""获取状态"""
|
||
return self.recording_manager.get_status() |