# -*- coding:utf-8 -*-
import os
import re
from ffmpeg import audio

root_dir = r'I:\work\SVN\new_shenghua\chengxu\client\res\sound'


def get_files(path):
    res = []
    r = os.listdir(path)  # 列出文件夹下所有的目录与文件
    for i in r:
        file_path = os.path.join(path, i)
        if os.path.isfile(file_path) and file_path.endswith('mp3'):
            if re.match(r'.*x[\d\.]+\.mp3$', file_path):
                continue
            res.append(file_path)
    return res


def change_speed(file, x, error_info):
    res = audio.a_speed(file, x, re.sub(r'(\.mp3$)', f'_x{x}.mp3', file))
    if not res:
        error_info.append(f'{file} to {x} error')


def run():
    files = get_files(root_dir)
    error_info = []
    for file in files:
        change_speed(file, '1.5', error_info)
        change_speed(file, '3', error_info)

    print('*'*20)
    for i in error_info:
        print(i)


if __name__ == "__main__":
    run()