[MPlayer-users] fast/slow scenes
clemenswaechter at web.de
Thu Jul 4 20:06:01 CEST 2002
On Thu, 4 Jul 2002 12:46:33 -0300 (ART)
"Alejandro Néstor Vargas" <anv at xnetcuyo.com.ar> wrote:
> I was trying 2 passes encodings from last saturdy (it lastes about 8 hours
> each try) but it seems that I obtain wrost results with 2 passes than 1 pass.
> The file is smaller but the quality is ugly if I specifies 600 kbits the
> file iscompressed at a average of 450 kbits with ugly quality, and if I specify 800
> the file is compressed at 850 with good quality but in a 1 Gb file.
> I extracted the difficult scenes and checked what is the bitrate needed for
> this, and with 800 is enoug for obtaining the same quality that is in the
> 1 Gbquality. In the rest of scenes that are at least the 80% of the picture,
> with 600is enoug to obtain the same quality as in the DVD.
> I'm using pre5, Xvid_20020412
Well but you arent using Xvid. You could compare it to your results
via -ovc divx4. But I must admit that I haven't tried lavc yet. I'll
do that in a few minutes.
> I don't remember exactly all the testes that I tryed, but something like
> mencoder -dvd 1 -ovc frameno -o frameno.avi
Well.... have you compressed your audio stream? How big is your frameno.avi???
That might be the key to you big files... Later on mencoder copies from
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