[FFmpeg-user] Picture jerky when screencasting?

lugoteehalt lugoteehalt at yahoo.co.uk
Thu Jun 2 00:25:52 CEST 2011


belcampo wrote:
> 
> 
> I don't know what ultimately your intention is, but you're playing 
> iplayer, which is 25fps, so grabbing at -r 30, isn't .... AFAIK
> You've choosen lossles which results in 1002700kb/s which is an awfull 
> lot of data to process.
> Your system also has to decode and display the iplayer stuff, don't know 
> how taxing that is on your system, but all in all I think it's way too 
> much for any system. I'm not 100% sure though.
>>
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> Thanks.  Don't know if realistic but just want to be able to repeat
> whatever was on the screen, especially things like iplayer.  Using bog
> standard laptop, my best Sunday thing just went down the tubes.  Put in
> Ubuntu for a short time and 
http://verb3k.wordpress.com/2010/01/26/how-to-do-proper-screencasts-on-linux/ 
which first grabs to a big file and then takes a long time to compress it. 
This seemed to work perfectly but may not have stressed it very much, don't
know.


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