[ale] Challenge converting ogv video to flv

[Tom Freeman]

Jason

A command line to do direct capture is great to have. I will not be 
editing things for a while, but when I do it looks like I will need to 
change procedures.

On Thu, 4 Oct 2012, Jason van Gumster wrote:

>
> Tom Freeman <tfreeman at intel.digichem.net> wrote:
>
>> Capture is with gtk-recordmydesktop (I think that is right) on an ASUS
>> laptop running LUBUNTU 12.04, but I'm open to another capture approach.
>
> If you have any intention of editing your screencasts, I'd recommend against
> recordmydesktop. The theora codec is not particularly editor-friendly. Despite
> the lack of any UI, I've had a lot of success recording screencasts directly
> using ffmpeg. Basically, you record your screen (or a section of it) and encode
> it to lossless x264 in a Matroska container on the fly. Then, after an edit,
> you can spit it out to just about any other format without fear of sync issues.
>
> Of course, ffmpeg's command line options are wide and varied depending on what
> version of ffmpeg you have. Here's the command string I've been using for
> tutorials (ffmpeg version 0.11.1):
>
> #> ffmpeg -f alsa -ac 2 -i hw:3,0 -f x11grab -r 24 -s 1280x720 -i :0.0+0,0 \
> -vcodec libx264 -preset ultrafast -qp 0 -threads 0 capture.mkv
>
> Of course, for your needs, you may use different values for your audio hardware
> device (the -i after "-ac 2"), framerate (-r), size (-s), and screen input (the
> -i after "-s 1280x720").
>
> Also... this is my first post to this list. Hi folks!
>
>  -Jason
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