[FFmpeg-user] -threads option has no effect

Rohit Talwar rohittalwar04 at gmail.com
Tue Aug 12 13:11:37 CEST 2014


Thanks a lot! As pointed out the problem was the incorrect placing of
-threads option!
Works like a charm now!

Thanks again!! :D


On Tue, Aug 12, 2014 at 4:34 PM, Reindl Harald <h.reindl at thelounge.net>
wrote:

>
> Am 12.08.2014 um 12:56 schrieb Rohit Talwar:
> > Thanks for looking into my query. I have a main java program within
> which I
> > run ffmpeg (using exec). Often there comes a scenario wherein my program
> > needs to create 4+ different instances of ffmpeg program for converting
> > files into different formats. When this happens the cpu gets 'too busy'
> > running the ffmpeg instances which affects the performance of my java
> > program.
> > I think lowering the priority(using nice or start /LOW )  of the ffmpeg
> > process might be a possible strategy to solve this, but would be glad if
> > you can help me point towards a platform independent solution
>
> you missed the most important part
>
> wrong:
> ffmpeg -threads <number of threads> -i <my file.avi>
>
> correct:
> ffmpeg -i <my file.avi> -threads <number of threads>
>
> params before "-i" are for the inout file / decoder
>
>
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>
>


-- 
Regards

Rohit Talwar


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