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Re: [MPlayer-users] -vf pullup with -vo jpeg

To: "MPlayer usage questions, feature requests, bug reports" <mplayer-users@xxxxxxxxxxxx>
Subject: Re: [MPlayer-users] -vf pullup with -vo jpeg
From: Ivo <ivop@xxxxxxxxxx>
Date: Sun, 5 Dec 2004 19:28:03 +0100
Delivered-to: itdp@localhost
Delivered-to: mplayer-users@mplayerhq.hu
In-reply-to: <20041205014432.GM1397@brightrain.aerifal.cx>
References: <E1CaKzf-0001MT-00@linear.mv.com><20041204135201.19e11086.rcooley@spamcop.net><20041205014432.GM1397@brightrain.aerifal.cx>
User-agent: KMail/1.5 
On Sunday 05 December 2004 02:44, D Richard Felker III wrote:
> On Sat, Dec 04, 2004 at 01:52:01PM -0800, RC wrote:
> > On Sat, 4 Dec 2004 15:05:45 -0500
> >
> > D Richard Felker III <dalias@xxxxxxxxxx> wrote:
> > > hmm, is vo_jpeg stupid about what input formats it wants?
> >
> > It's RGB24-only.  I'd say the real problem is that mplayer isn't
> > very smart about where it inserts scale into the vf chain.
>
> that's one problem, but converting to rgb for jpeg saving is nothing
> short of COMPLETELY IDIOTIC!

The problem is that libjpeg wants its data as YUV 444 _packed_, which is not 
supported by MPlayer. In that case, vo_jpeg should maintain its own local 
copy of the image and convert every planar YUV format to that internally, 
which might be considered even more idiotic.

--Ivo

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