ffmpeg批量压缩视频 python

import os


base_path = './input'
out_path = './output'

if not os.path.exists(base_path):
    print('请将要转码的视频放置在{}文件夹下面！'.format(base_path))
    os.mkdir(base_path)

if not os.path.exists(out_path):
    print('请将要转码的视频放置在{}文件夹下面！'.format(out_path))
    os.makedirs(out_path)

suffix = ('mov', 'mp4', 'mpeg', 'avi', 'flv', 'mkv')

#max_proc = int(input('请输入最大工作进程数量(建议为2~4) >> '))
#del_flag = input("处理完成后是否删除源文件？(y/n) >> ").lower()

del_flag = False


def run_func(path):
    name = path.split('\\')[-1]
    pid = os.getpid()
    os.system("ffmpeg -i ./input/{} -s 1920x1080  -b:v 1M  -r 20 ./output/{}".format(name, name))
    print('exit')

for root, dirs, files in os.walk(base_path, topdown=False):
    for name in files:
        if name.lower().endswith(suffix):
            p = os.path.join(root, name)
            run_func(p)

print('处理完成！')