cut_video

import os
import subprocess

video_folder = os.getcwd()
# 设置要删除的时间长度(秒数)
time_to_cut = '225'  

for filename in os.listdir(video_folder):
    if filename.endswith('.mp4'):
        file_path = os.path.join(video_folder, filename)
        # 输出的文件加前缀"out_"
        output_path = os.path.join(video_folder, f'out_{filename}')
        # 获取视频时长
        result = subprocess.run(['ffprobe', '-v', 'error', '-show_entries', 'format=duration', '-of', 'default=noprint_wrappers=1:nokey=1', file_path], stdout=subprocess.PIPE, text=True)
        duration = float(result.stdout.strip())
        # 计算一下新的视频时长
        new_duration = duration - float(time_to_cut)  
        if new_duration > 0:
            # 上吧FFmpeg
            subprocess.run(['ffmpeg', '-i', file_path, '-t', str(new_duration), '-c', 'copy', output_path])
        else:
            print(f'视频 {filename} 的时长不足以裁剪 {time_to_cut} 秒')

print('所有视频处理完成。')