133 lines
5.7 KiB
Python
133 lines
5.7 KiB
Python
import hashlib
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import os
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import shutil
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import subprocess
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import sys
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import traceback
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from datetime import date
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from pathlib import Path
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import filetype
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import log
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class VideoDecrypter:
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def __init__(self, gui: 'Gui', file_path):
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self.file_path = file_path
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self.gui = gui
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self.sns_cache_path = file_path + "/FileStorage/Sns/Cache"
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@staticmethod
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def get_ffmpeg_path():
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if getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS'):
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# 这是到_internal文件夹
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resource_dir = getattr(sys, '_MEIPASS', os.path.abspath(os.path.dirname(__file__)))
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# 获取_internal上一级再拼接
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return os.path.join(os.path.dirname(resource_dir), 'resource', 'ffmpeg.exe')
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else:
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return os.path.join(os.getcwd(), 'resource', 'ffmpeg.exe')
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@staticmethod
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def get_ffprobe_path():
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if getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS'):
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# 这是到_internal文件夹
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resource_dir = getattr(sys, '_MEIPASS')
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# 获取_internal上一级文件夹再拼接
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return os.path.join(os.path.dirname(resource_dir), 'resource', 'ffprobe.exe')
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else:
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return os.path.join(os.getcwd(), 'resource', 'ffprobe.exe')
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@staticmethod
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def get_output_path(dir_name, md5, duration):
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if getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS'):
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# 这是到_internal文件夹
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resource_dir = getattr(sys, '_MEIPASS')
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# 获取_internal上一级文件夹再拼接
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return os.path.join(os.path.dirname(resource_dir), 'output', dir_name, 'videos', f'{md5}_{duration}.mp4')
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else:
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return os.path.join(os.getcwd(), 'output', dir_name, 'videos', f'{md5}_{duration}.mp4')
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@staticmethod
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def calculate_md5(file_path):
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with open(file_path, "rb") as f:
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file_content = f.read()
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return hashlib.md5(file_content).hexdigest()
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@staticmethod
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def get_all_month_between_dates(start_date, end_date) -> list[str]:
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result = []
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current_date = start_date
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while current_date <= end_date:
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# 打印当前日期的年份和月份
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result.append(current_date.strftime("%Y-%m"))
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year = current_date.year + (current_date.month // 12)
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month = current_date.month % 12 + 1
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# 更新current_date到下个月的第一天
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current_date = date(year, month, 1)
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return result
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def get_video_duration(self, video_path) ->float:
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"""获取视频时长"""
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ffprobe_path = self.get_ffprobe_path()
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if not os.path.exists(ffprobe_path):
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log.LOG.error("Wrong ffprobe path:"+ffprobe_path)
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return 0
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ffprobe_cmd = f'"{ffprobe_path}" -i "{video_path}" -show_entries format=duration -v quiet -of csv="p=0"'
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p = subprocess.Popen(
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ffprobe_cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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shell=True)
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print(ffprobe_cmd)
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out, err = p.communicate()
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if len(str(err, 'gbk')) > 0:
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print(f"subprocess 执行结果：out:{out} err:{str(err, 'gbk')}")
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return 0
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if len(str(out, 'gbk')) == 0:
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return 0
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return float(out)
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def decrypt_videos(self, exporter, start_date, end_date, dir_name, convert_video) -> None:
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"""将视频文件从缓存中复制出来，重命名为{md5}_{duration}.mp4
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duration单位为秒
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"""
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months = self.get_all_month_between_dates(start_date, end_date)
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total_files = 0
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processed_files = 0
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for month in months:
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source_dir = self.sns_cache_path + "/" + month
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total_files = total_files + len(list(Path(source_dir).rglob('*')))
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for month in months:
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source_dir = self.sns_cache_path + "/" + month
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for file in Path(source_dir).rglob('*'):
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if not exporter.stop_flag:
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try:
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file_type = filetype.guess(file.resolve())
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if file_type and file_type.extension == "mp4":
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print("Process Video: "+str(file.resolve()))
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md5 = self.calculate_md5(file.resolve())
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print("video md5: "+md5)
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duration = self.get_video_duration(str(file.resolve()))
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print("video duration: " + str(duration))
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# 是否需要将视频转码
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if convert_video:
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input_path = str(file.resolve())
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ffmpeg_path = self.get_ffmpeg_path()
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output_path = self.get_output_path(dir_name, md5, duration)
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print("ffmpeg_path: " + str(ffmpeg_path))
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if os.path.exists(ffmpeg_path):
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cmd = f'''"{ffmpeg_path}" -loglevel quiet -i "{input_path}" -c:v libx264 "{output_path}"'''
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print("ffmpeg_path cmd:" + cmd)
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subprocess.run(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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else:
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shutil.copy(file.resolve(), f"output/{dir_name}/videos/{md5}_{duration}.mp4")
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except Exception:
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traceback.print_exc()
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processed_files = processed_files + 1
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# 15%的进度作为处理视频使用 + 15%(处理图像)
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progress = round(processed_files / total_files * 15 + 15)
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self.gui.update_export_progressbar(progress)
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