How To Do Screencasts In Linux!





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Published on Sep 22, 2012

First of all, I would like to credit Kevin Macleod for the awesome Rock music in this video.

Music used:
Title: Welcome to the Show
Author: Kevin MacLeod
Direct Link: http://incompetech.com/music/royalty-...
Download: http://incompetech.com/music/royalty-... to the Show.mp3
License: http://incompetech.com/m/c/royalty-fr...
Three cheers to Kevin Macleod!

Hey, Fellas! Today I am going to show you how to do proper screen casts in Linux! Its very simple!

If you have an rpm-based OS, do :

$ yum install ffmpeg

else if you have a debian based OS, do:

$ sudo apt-get install ffmpeg

After the packages are installed,

Run the the following command for a screen cast (without audio):

$ ffmpeg -f x11grab -s wxga -r 25 -i :0.0 -sameq /tmp/out.mpg

This will create a file out.mpg in the directory /tmp.

Run the the following command for a screen cast (with audio):

$ ffmpeg -y -f alsa -ac 2 -i pulse -f x11grab -r 30 -s `xdpyinfo | grep 'dimensions:'|awk '{print $2}'` -i :0.0 -acodec pcm_s16le my_output.wav -an -vcodec libx264 -vpre lossless_ultrafast -threads 0 my_output.mp4

This will create two files my_output.wav and my_output.mp4 in the current directory.

This correspond to the audio and video recorded.

To join combine the audio and video in a single file, just type:

$ ffmpeg -i my_output.wav -i my_output.mp4 -sameq Output.mp4

The required video will be stored in Output.mp4

For detailed explanation of the working of the above mentioned commands, just visit my blog :)

Enjoy :)

Have Fun!!!

My Blogpost: http://commandlinewani.blogspot.com/2...

Update: In fedora, Ctrl + Shift + Alt + R -- Records a Screencast of your entire desktop and saves it to your Videos folder.

Wanna support me? Visit: https://www.patreon.com/nehaljwani


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