[x264-devel] Capacity of x264

[Panagiotis Issaris]

Panagiotis Issaris schreef:
> Hi Son Minh Tran,
> 
> Son Minh Tran schreef:
>> Hi All,
>> Have someone  already tested the x264 coder for the stream High 
>> Definition (1280x720 / 1920x1080) in realtime (25, 30 fps)? Can you 
>> share the experience on the hardware configuration and software setting.
>> Thanks
> 
> With nearly default settings, a system with 8 cores/CPUs at work is able 
> to encode a video of 1920x1080 at 27fps.
> 
> The actual commandline used was:
> x264 -threads X -q 20 -o test.264 video-1920x1080.yuv
> 
> I'm not sure whether it is actually a system with 4 CPU's each being 
> dual-cores or 2 CPU's each being quad-cores.
> 
> Attached a very unscientific plot of x264 encoding full hd using 
> different numbers of threads.


And here's a second quick plot also showing 1280x720, 720x576 and 
352x288 on that same system:

http://alpha.uhasselt.be/takis.issaris/pi-20080403T143400-x264_scalability.png


With friendly regards,
Takis
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