<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[learner_witt的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/learner_witt</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; learner_witt]]></copyright><item><title><![CDATA[多线程爬取B站视频]]></title><link>https://blog.youkuaiyun.com/learner_witt/article/details/109063621</link><guid>https://blog.youkuaiyun.com/learner_witt/article/details/109063621</guid><author>learner_witt</author><pubDate>Tue, 13 Oct 2020 23:55:33 +0800</pubDate><description><![CDATA[#threading.Thread()

import os
import re
import time
import datetime
import requests
import threading
from moviepy.editor import *


# 获取视频及音频的源地址
def get_url(url):
	url = 'https://www.bilibili.com/video/' + video_id + '?from=search'
	headers = {
	'User-Ag]]></description><category></category></item><item><title><![CDATA[python_pyrDown()、pyrUp()参数]]></title><link>https://blog.youkuaiyun.com/learner_witt/article/details/107171095</link><guid>https://blog.youkuaiyun.com/learner_witt/article/details/107171095</guid><author>learner_witt</author><pubDate>Tue, 07 Jul 2020 00:36:07 +0800</pubDate><description><![CDATA[python_pyrDown()、pyrUp()参数
pyrDown(src,dst = None,dstsize = None, borderType = None)
src: 源图片
dst: 输出图片(不太懂)
dstsize: 输出图片尺寸
ps: |dstsize.width2 - src.cols| ≤2    解释：输出图像大小的2倍与源图像的大小宽度之差小于2个像素
|dstsize.height2 - src.rows| ≤2  同上
补充：以为输出图片要定义所以创建了一个图像，正好学习一]]></description><category></category></item></channel></rss>