使用python+ffmpeg批量混剪视频

# encoding=utf-8
import os
import itertools


def main():
    #使用前，要先配置好ffmpeg的环境变量，并删除videos_path中txt文件夹下的所有文件
    ffmpeg_path = "D:\\FFmpeg\\bin\\ffmpeg"
    videos_path = "C:\\Users\\Yan\\Desktop\\videos"
    concat_list_path = videos_path + "\\txt\\"

    # 定义一个数组
    L = []

    # 访问 videos 文件夹 (假设视频都放在这里面)
    for root, dirs, files in os.walk(videos_path):
        # 按文件名排序
        files.sort()
        # 遍历所有文件
        for file in files:
        # 如果后缀名为 .mp4
            if os.path.splitext(file)[1] == '.mp4':
            # 拼接成完整路径
                filePath = os.path.join(root, file)
                # 添加到数组
                L.append(filePath)

    # 计算排列组合（两两组合）
    pp = list(itertools.permutations(list(L), 2))
    total = len(pp)
    for i in range(0,total):
        print(pp[i])
        concat_file_path = concat_list_path + str(i) + ".txt"
        print(concat_file_path)
        with open(concat_file_path, 'a', encoding='utf-8') as f:
            video_one = "file " + "'" + pp[i][0] + "'" + "\n"
            video_two = "file " + "'" + pp[i][1] + "'" + "\n"
            f.write(video_one)
            f.write(video_two)
        result_file_path = videos_path + "\\" + str(i) + ".mp4"
        print(result_file_path)
        # 拼接好运行ffmpeg的命令行语句
        cmd = ffmpeg_path + " -f concat -safe 0 -i " + concat_file_path + " -c copy " + result_file_path
        print(cmd)
        # 调用cmd命令行执行ffmpeg拼接视频
        os.popen(cmd)


if __name__ == '__main__':
    main()