Ubuntu下录制 和 制作 Gif 图片

Ubuntu下录制 和 制作 Gif 图片

学习这两个教程：
http://blog.youkuaiyun.com/lablenet/article/details/48540749
http://blog.youkuaiyun.com/mummyding/article/details/46940829
得到思路: 录屏 –(Kazam,RecordMyDesktop)–>视频–(mplayer)–>Jpeg–(Imagemagick里的convert)–>Gif

1.Install softwares

(1)sudo apt-get install kazam

(2)sudo apt-get install mplayer

(3)sudo apt-get install imagemagick

2.How to use Kazam

Plz reference follow two pages:
http://blog.163.com/java_star/blog/static/11771480520151591710330/
http://jingyan.baidu.com/article/3aed632e6c529d70108091ec.html
The key issue is how to stop the recording（停止录制）.

3.Convert to Gif

(1)Generate JPEG pictures

~/Videos$ mplayer -ao null Kazam_screencast_00000.mp4 -vo jpeg:outdir=./tabs

(2)Generate Gif

~/Videos$ convert ./tabs/*.jpg -resize 63% progress.gif

Done!