Re: Capture (for video) what is displayed on the screen
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Camaleón <noelamac@gmail.com> writes:
> On Sun, 09 May 2010 18:46:20 +0200, Merciadri Luca wrote:
>
>> Camaleón writes:
>>
>>> Ffmpeg (command line tool) can achieve that:
>>>
>>> http://ffmpeg.org/ffmpeg-doc.html#SEC4
>>>
>>> With "-t" you specify the time interval for screen grabbing.
>> Nice, but
>>
>> ==
>> ~$ ffmpeg -f x11grab -s cif -i :0.0 /tmp/out.mpg
>
> (...)
>
>> [x11grab @ 0xb7f7fec8]device: :0.0 -> display: :0.0 x: 0 y: 0 width: 352
>> height: 288 [x11grab @ 0xb7f7fec8]AVParameters don't have video size
>> and/or rate. Use -s and -r. :0.0: I/O error occured
>> Usually that means that input file is truncated and/or corrupted.
>
> And what happens when you specify another "-s" (size) and "-r"
> (rate)?
See my answer to our fellow Alexander. (And also, sorry for not trying
it correctly, apparently.)
> ffmpeg -f x11grab -r 24 -s 640x480 -i :0.0 /tmp/out.mpg
>
>>> There also some nice GUI apps ("Istambul" or "gtk-recordmydesktop")
>>> that can also help you with this task.
>
>> Istanbul looks nice, but I am obliged to choose `Record 3D' to actually
>> record something acceptable: if this option is unticked, the video
>> images' alternate between (black&white) and (color). Note the `n' at the
>> place of your `m'. Weird, once again!
>
> Yep, it's named "Ista[n]bul" :-)
>
> "Recordmydesktop" is another option. There are many others, just check
> what is better for you.
I do not even try it. I could not have asked for something better than
Istanbul: it just fits my needs. (Except if you're `recordmydesktop's
secret developer, case where I would try it ;-).)
- --
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
- --
Love doesn't make the world go round. Love is what makes the ride
worthwhile.
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