[FFmpeg-user] Benchmarking with ffmpeg - What are the parameters meaning?

David Wagner david.wagner123 at googlemail.com
Tue Sep 11 15:45:27 CEST 2012


Am 11.09.2012 15:24, schrieb Carl Eugen Hoyos:
> David Wagner<david.wagner123<at>  googlemail.com>  writes:
>
>> And I'm searching especially something for decoding.
>> Is there an option for only measuring the decoding
>> performance?
> I always use:
> $ time ffmpeg -i input -f null -
>
> (You are right that this does not only decode, it also
> encodes to the "null" format, but I don't think this
> will affect the measuring.)
>
I want to compare encoding with decoding performance requirements and 
see how the codecs behave.
> And this of course does not make sense if the whole
> transcoding process takes less than 0.1 seconds.
>
I think utime and maxrss are pretty good although time reduced that much.
> Carl Eugen
>
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