[MPlayer-DOCS] [PATCH] document a couple more x264 options in mencoder.xml

Jeff Clagg snacky at ikaruga.co.uk
Tue May 31 01:30:05 CEST 2005


On Mon, May 30, 2005 at 11:16:33PM +0200, Guillaume POIRIER wrote:
> Looks good to me, except that I think it would be a good idea to
> explain what each me option means: (1=diamond search, radius 1,
> 2=hexagon search, radius 2, 3=uneven multi-hexagon search)

I don't think I mind seeing this explained in the xml docs, but one of
the reasons I didn't bother is because I can't improve on the
explanation in the manpage, and readers are explicitly encouraged to go
look at it.

There's a related issue here, which is separating the function of the
man page and the function of the xml docs. With lavc, it's now pretty
much an accomplished fact that the manpage is an exhaustive list of all
options, with terse (but well-worded) technical explanations of what
each option actually does. The xml docs pick out the few that are of
highest interest to most end-users, and discuss their impacts on speed
and quality, and how this impact differs depending on the source, and so
on.

Anyway, my intention was to get straight to the point: results are the
first thing the user cares about. This is why I'm trying to establish a
pattern of listing example speed and PSNR changes for each option, but I
don't bother so much with technical details. Notice I also never
explained what subq, frameref, or b_pyramid really do, either. If users
want to know, there are excellent explanations in the man page.




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