[MPlayer-users] Encoding too slow on AMD Athlon 64 3000+ comparing with Pentium Celeron M 1, 4

[Martin Kamín]

Dne st 29. března 2006 21:49 Corey Hickey napsal(a):

> Can you please download this sample:
> http://www.mplayerhq.hu/MPlayer/samples/Matroska/matrix/Matrix.Reloaded.Tra
>iler-640x346-XviD-1.0beta2-HE_AAC_subtitled.mkv
>
> ...and try encoding it with the following commands. The times for my
> system (overclocked 3400+ at 2.56 Ghz) are listed below each command.
> Roughly, I think your 3000+ should take about 1.3 times as long as mine.
>
> time mencoder -nosound -ovc lavc -o /dev/null \
> Matrix.Reloaded.Trailer-640x346-XviD-1.0beta2-HE_AAC_subtitled.mkv
>
> real    0m23.717s
> user    0m22.251s
> sys     0m0.288s

Video stream:  808.880 kbit/s  (101109 B/s)  size: 15313947 bytes  151.458 
secs  3635 frames

real    0m39.807s
user    0m36.490s
sys     0m0.268s

>
>
> time mencoder -nosound -ovc xvid -xvidencopts bitrate=800 -o /dev/null \
> Matrix.Reloaded.Trailer-640x346-XviD-1.0beta2-HE_AAC_subtitled.mkv
>
> real    1m4.684s
> user    1m3.753s
> sys     0m0.484s

Video stream:  790.426 kbit/s  (98803 B/s)  size: 14964579 bytes  151.458 secs  
3635 frames

real    7m20.602s
user    7m0.722s
sys     0m1.096s

7times slower :(
problem is xvid encoding
>
> If you end up getting appropriate-looking times, then we know for sure
> it's something peculiar about your source file or how you're encoding
> it. Otherwise, something else is weird.

Martin