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`@@ -10,6 +10,8 @@ Python技术公众号文章代码库`
`10`	`10`
`11`	`11`	`## 实例代码`
`12`	`12`
	`13`	`+[几行代码,实现Python捕获、播放和保存摄像头视频!](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/videobase):几行代码,实现Python捕获、播放和保存摄像头视频!`
	`14`	`+`
`13`	`15`	`[几行代码迅速提取音频,YYDS!](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/extractaudio):几行代码迅速提取音频,YYDS!`
`14`	`16`
`15`	`17`	`[一行代码,生成和读取二维码!](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/qrcode):一行代码,生成和读取二维码!`

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`@@ -0,0 +1,24 @@`
	`1`	`+#!/usr/bin/env python3`
	`2`	`+# -- coding: utf-8 --`
	`3`	`+"""`
	`4`	`+@author: 闲欢`
	`5`	`+"""`
	`6`	`+import cv2 as cv`
	`7`	`+cap = cv.VideoCapture(0)`
	`8`	`+# 定义编解码器并创建VideoWriter对象`
	`9`	`+fourcc = cv.VideoWriter_fourcc(*'MJPG')`
	`10`	`+out = cv.VideoWriter('output.mp4', fourcc, 20.0, (640, 480))`
	`11`	`+while cap.isOpened():`
	`12`	`+ ret, frame = cap.read()`
	`13`	`+ if not ret:`
	`14`	`+ break`
	`15`	`+ frame = cv.flip(frame, 1)`
	`16`	`+ # 写翻转的框架`
	`17`	`+ out.write(frame)`
	`18`	`+ cv.imshow('frame', frame)`
	`19`	`+ if cv.waitKey(1) == ord('q'):`
	`20`	`+ break`
	`21`	`+# 完成工作后释放所有内容`
	`22`	`+cap.release()`
	`23`	`+out.release()`
	`24`	`+cv.destroyAllWindows()`

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