'''
ffmpeg version 6.1.1
要求: 合并的视频同分辨率、同帧率
命令: python 多文件夹多视频合并.py --input_videos D:\videos --output_videos D:\out_videos --output_txts D:\out_txt要求视频文件夹输入目录:--videos--test1001.mp4002.mp4--test2001.mp4002.mp4输出目录(自动创建文件夹):--output_videostest1_sum.mp4test2_sum.mp4--output_txtstest1.txttest2.txt
'''
import argparse
import subprocess  
import os# 创建ffmpeg输入txt
def create_input_txt(path_in, path_out_txt):for dir in os.listdir(path_in):try:with open(os.path.join(path_out_txt , '{}.txt'.format(dir)), 'w', encoding='utf-8') as f:path_dir = os.path.join(path_in, dir)for file_name in os.listdir(path_dir):if file_name.split('.')[-1] in ['mp4', 'avi']:f.write(f"file '{os.path.join(path_dir, file_name)}'\n")print(f"视频文件夹 {dir} 创建合并txt成功!")except Exception as e:print(f"视频文件夹 {dir} 创建合并txt失败!")print(e)def run(sum_txt_path, out_video_path):# 创建一个新的进程  p = subprocess.Popen(["ffmpeg", "-f", "concat", "-safe", "0", "-i", f"{sum_txt_path}", "-c", "copy", f"{out_video_path}"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)# 实时打印输出  # for line in p.stdout:  #     print(line, end='')  # end='' 防止打印额外的换行符  # 等待进程结束  p.wait()if __name__ == '__main__':parser = argparse.ArgumentParser()parser.add_argument('--input_videos', type=str, default='D:\videos', help='视频输入路径')parser.add_argument('--output_videos', type=str, default='D:\out_videos', help='视频保存路径,自动创建')parser.add_argument('--output_txts', type=str, default='D:\out_txt', help='ffmpeg视频txt保存路径,自动创建')args = parser.parse_args()if not os.path.exists(args.output_videos):os.mkdir(args.output_videos)if not os.path.exists(args.output_txts):os.mkdir(args.output_txts)create_input_txt(args.input_videos, args.output_txts)for txt_name in os.listdir(args.output_txts):try:if os.path.exists(os.path.join(args.output_videos, txt_name.split('.')[0] + '_sum.mp4')):print(f"{txt_name.split('.')[0] + '_sum.mp4'}已存在!, 跳过!")continuerun(os.path.join(args.output_txts, txt_name), os.path.join(args.output_videos, txt_name.split('.')[0] + '_sum.mp4'))print(f"{txt_name.split('.')[0] + '_sum.mp4'} 生成成功!")except Exception as e:print(f"{txt_name.split('.')[0] + '_sum.mp4'} 生成失败!")print(e)

参考：ffmpeg实现多视频合并