[PLUG] Linux Containers - the MOVIE!

Michael Rasmussen michael at jamhome.us
Fri Mar 23 21:41:37 UTC 2012


On 2012-03-23 13:06, plugng3 at martinconsulting.com wrote:
> Those of you that attended the PLUG Advanced Topics presentation on 
> Linux
> Containers earlier this week know that I wasn't able to give the 
> promised
> demo.  To satisfy that need I've recorded a video of the 
> demonstration,
> which you can find at http://youtu.be/N7GkNs2wQt4.
>
> I spent a huge amount of time figuring out how to record that demo.  
> I tried
> the Istanbul and recordmydesktop apps before falling back to ffmpeg.  
> For
> others that might want to create a similar demo, the incantation that 
> works
> for me is:
>
> 	ffmpeg -f x11grab -s 1024x768 -r 30 -i :0.0 -f alsa -ac 2 -i hw:0,0
> -sameq -async 4 -map 0,0 -map 1 ~/output.mpeg
>
> The "-map" options are particularly important to keep the audio and 
> video in
> sync.  If any ffmpeg gurus can tell me how to improve this, 
> particularly
> regarding the audio quality, I'd love to hear about it.

Record the audio separately and mix them together with a tool like 
kdenlive.
You can also use this tool to do the format conversion for optimal 
results.


-- 
      Michael Rasmussen
    http://www.jamhome.us/
Be Appropriate && Follow Your Curiosity



More information about the PLUG mailing list