[MPlayer-users] How To: best way to rescale

[Ken Bass]

On Mon, Feb 22, 2010 at 5:29 PM, Rolf Ernst
<rolf.ernst at silverlightning.org>wrote:

> On Mon, Feb 22, 2010 at 7:16 PM, Ken Bass <daytooner at gmail.com> wrote:
>
> > On Mon, Feb 22, 2010 at 4:01 PM, Rolf Ernst
> > <rolf.ernst at silverlightning.org>wrote:
> >
> > > On Mon, Feb 22, 2010 at 4:36 PM, Ken Bass <daytooner at gmail.com> wrote:
> > >
> > > > On Mon, Feb 22, 2010 at 12:09 PM, Oliver Seitz <info at vtnd.de> wrote:
> > > >
> > > > > Am 22.02.2010, 19:51 Uhr, schrieb Ken Bass <daytooner at gmail.com>:
> > > > >
> > > > > Another question would be, why would you want to rescale a video
> > > without
> > > > > recoding?
> > > > >
> > > >
> > > > The reason is that I have several videos that won't play on my home
> > > theatre
> > > > system because it is limited to a resolution of 800x600. And, no, I'd
> > > > rather
> > > > not have to buy a new system at the moment. I just wondered if there
> > > might
> > > > be a way to quickly and easily rescale without fully recoding.
> > > >
> > > > And I wasn't sure recoding would give me any significantly better
> > > quality,
> > > > given the time it would take to do it (even with a 4 core 3Ghz system
> > it
> > > > might take longer to recode then the length of the video). But as you
> > > > surmised, and I found out, the quality was much worse, so it's
> probably
> > > > best
> > > > to just fully recode.
> > > >
> > > > So I'll just sit back, make some popcorn, have some coffee, and wait.
> > > >
> > > > Thanks for the explanation, though.
> > > >
> > > > FWIW: Necessity is the mother of invention. So we'll have to wait
> till
> > > some
> > > > scientist needs it :-).
> > > >
> > > > ken
> > > > _______________________________________________
> > > > MPlayer-users mailing list
> > > > MPlayer-users at mplayerhq.hu
> > > > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users
> > > >
> > >
> > > The resolution is part of the container information (AVI/MP4/MATROSKA).
> > > Whatever this info says, that'll play. There is no recording involved.
> > > Sometimes you can just edit this header information but most likely you
> > > will
> > > wind up remultiplexing which is still very fast and there is no quality
> > > loss/encoding.
> > >
> > > /re
> > > _______________________________________________
> > > MPlayer-users mailing list
> > > MPlayer-users at mplayerhq.hu
> > > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users
> > >
> >
> > Okay, that makes sense. Now (warning: stupid question) how would I do
> that
> > -
> > edit/remux?
> >
> > ken
> >
> What container format do you have (what extension generally)? What
> operating
> system are you running?
> _______________________________________________
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> MPlayer-users at mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users
>

Most of the videos are AVIs. Some are WMVs and MPGs.

I am running on linux - Fedora 12. I also have an XP box that I use for
windows only apps. (FWIW, look at "MediaCoder" - www.mediacoderhq.com. The
guy did a great job at building a gui front end to most of the general a/v
transcoders).

ken