[Ffmpeg-devel] ffmpeg on Dual-Cores
Wed Mar 14 20:55:10 CET 2007
--- Guillaume POIRIER <poirierg at gmail.com> wrote:
> On 3/14/07, Claudiu Bucur <clau.bucur at yahoo.com>
> > Is there a way to force ffmpeg to use 100% cpu
> power on dual-core systems? I tried passing the
> argument -threads 2 but the maximum usage won't go
> above 67%.
> > Here's the command line I use:
> > ffmpeg -i inputFile -r 25 -qscale 6 -s 320x240
> -vcodec mpeg4 -flags trell+4mv+aic -mbd 2 -cmp 2
> -subcmp 2 -nr 100 -ab 96 -threads 2 outputFile
> > I tried also, but same results:
> > ffmpeg -threads 2 -i inputFile -r 25 -qscale 6 -s
> 320x240 -vcodec mpeg4 -flags trell+4mv+aic -mbd 2
> -cmp 2 -subcmp 2 -nr 100 -ab 96 -threads 2
> > Am I doing something wrong or there's no way I can
> achieve my goal?
> I fail to see why this question is in any way
> related to FFmpeg's development.
Might not be directly related to it's development.
Since I couldn't find anywhere an answer to the
question "Is ffmpeg optimized for dual-core
processors? " I thought that this would be the best
place to get it answered.
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