[Ffmpeg-devel] ffmpeg on Dual-Cores

Guillaume POIRIER poirierg
Wed Mar 14 20:46:53 CET 2007


Hi,

On 3/14/07, Claudiu Bucur <clau.bucur at yahoo.com> wrote:
> 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 outputFile
>
> 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.

Guillaume




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