[MPlayer-users] MPlayer-users Digest, Vol 4, Issue 54

justin case justin_case at gmx.net
Tue Apr 13 16:24:03 CEST 2004

> > in my experience lavc has big trouble with noisy sources,
> well, VHS is noisy :(
> i'm not sure if i should use higher resolution.
> isn't width=768:height=576 the maximum of the VHS source?
> i'll try with xvid tonight.
> could anybody tell me what the swicth and argument would be for
> xvid instead
> libavcodec?
> i'm a mandrake newbie, and i even don't know if i have a xvid codec... :)

i remember a lot of discussion, about the resolution that could "describe"

basically, vhs surely doesn't have the highest resolution. people argument
between 320x240 and 640x480.

well, you could run some test-captures with different resolutions and
compare for yourself.

in general i would maybe use 640x480, capture in mpeg1 or huffyuff and use
some noisefilters on the capture.avi, rescale to a smaller resolution and
keep the result.

if the material is not that important, i might capture to any smaller res.
right away.

what really seems very strange to me is that video doesn't exeed a certain
filesize at full resolution, since my experience with xvid and vhs sources
is that you get unbelievable large files caused by all the noise..

and for getting into xvid.. i rarely used it under linux, since encoding is
way more comfortable with windows (sadly..). this guide
http://www.doom9.org/xvid-vdub-final.htm might give you some nice insights
into the different xvid-options and what they actually do.

..and here is a thread over at doom9's forum that should give you some good
ideas on switches for xvid under linux, 1 or 2 pass and how to do it and so

surely youhave to install xvid and recompile mplayer with xvid-support.

have fun!,

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