[MPlayer-users] libavcodec vbitrate problem
Arpi
arpi at thot.banki.hu
Thu May 9 21:19:02 CEST 2002
Hi,
> > -lavcopts vqmin=2
> > should allow higher bitrates & looks better (isnt the default cuz it cause
> s
> > clipping in the quantizer for h263 but is ok for mpeg4)
>
> Ok. I tried and it helped. Thanks.
> Now I get (first two chapters):
>
> vbitrate|actual bitrate|filesize
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 800 |796.2 |24549218
> 1600 |1500.8 |51020492
> 2000 |1706.0 |57971188
>
> This is much closer bitrate.
> Although, quality was very good even at 800Kbps.
> libavcodec gives suprisingly good first pass.
>
> Are there any more tips like that for libavcodec ? I have read the man page
increase resolution of source material - 1800 for such small resolution is
nonsense, there is no such big amount of data to encode...
1800 is usually used for full dvd size...
A'rpi / Astral & ESP-team
--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu
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