[x264-devel] Slow conversion to raw 264

Nathan Caldwell saintdev at gmail.com
Mon Jul 2 08:00:43 CEST 2012


On Sun, Jul 1, 2012 at 11:31 PM, Rouhi Amirhossein2
<amir.rouhi at rmit.edu.au> wrote:
> Hi
> I want to convert a data set , consisting of 10,000 short videos (average 3
> mins) in format of .mpg to raw 264 video stream. Every video takes a long
> time to complete the process (about 1 min on a Core 2 Duo 3.16Ghz CPU). The
> CPU usage will reach to 100% during the conversion process.The command used
> is:
> ffmpeg -i C:\q.mpg -an -vcodec libx264 -threads 0  -f h264 C:\q.264
> Do you have any idea to boost up the process speed?
> Regards
> Amir

Your options are:
1) Use a faster preset (This will utilize less cpu-intensive analysis
algorithms, most likely reducing quality)
2) Get a faster CPU

-- 
-Nathan Caldwell


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