511 lines
21 KiB
Python
511 lines
21 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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from typing import Optional, Dict, Any
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try:
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from .camera_manager import CameraManager
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except ImportError:
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from camera_manager import CameraManager
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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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"""
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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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"""
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self.camera_manager = camera_manager
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self.db_manager = db_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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# 创建存储目录
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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, feet_video_path)
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self.db_manager.update_session_screen_video_path(session_id, screen_video_path)
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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(*'mp4v')
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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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self.screen_video_writer = cv2.VideoWriter(
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screen_video_path, fourcc, self.screen_fps, record_size
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)
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if 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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else:
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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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# 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
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if self.screen_region:
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x, y, width, height = self.screen_region
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screenshot = pyautogui.screenshot(region=(x, y, width, height))
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else:
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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:
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self.logger.error(f"清理视频写入器失败: {e}")
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def _set_directory_permissions(self, path):
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"""设置目录权限"""
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try:
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import subprocess
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import platform
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if platform.system() == 'Windows':
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try:
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# 为Users用户组授予完全控制权限
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subprocess.run([
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'icacls', path, '/grant', 'Users:(OI)(CI)F'
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], check=True, capture_output=True, text=True)
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# 为Everyone用户组授予完全控制权限
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subprocess.run([
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'icacls', path, '/grant', 'Everyone:(OI)(CI)F'
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], check=True, capture_output=True, text=True)
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self.logger.info(f"已设置Windows目录权限（Users和Everyone完全控制）: {path}")
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except subprocess.CalledProcessError as icacls_error:
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self.logger.warning(f"Windows权限设置失败: {icacls_error}")
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else:
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self.logger.info(f"已设置目录权限为777: {path}")
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except Exception as perm_error:
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self.logger.warning(f"设置目录权限失败: {perm_error}，但目录创建成功")
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def set_screen_region(self, region):
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"""设置屏幕录制区域"""
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if self.sync_recording:
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self.logger.warning("录制进行中，无法更改区域设置")
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return False
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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
|
||
}
|
||
|
||
|
||
# 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() |