[MPlayer-dev-eng] [PATCH] behaviour of 'a' key and sub alignment
Diego Biurrun
diego at biurrun.de
Mon Oct 24 23:16:34 CEST 2005
On Mon, Oct 24, 2005 at 10:46:02PM +0200, Paul TT wrote:
> On Mon, 24 Oct 2005 12:36:24 -0400
> Rich Felker <dalias at aerifal.cx> wrote:
>
> > On Mon, Oct 24, 2005 at 05:04:19PM +0200, Paul TT wrote:
> > >
> > > I read about IRC discussion in the other thread, but the result
> > > is that when i am playing something with subs and i press 'a' it
> > > still tell me 'bottom' when they are top-aligned and 'top' when
> > > they're bottom-aligned.....
> >
> > RTFM; you're just misunderstanding the word "align". Subs have always
> > been correctly aligned.
>
> mhhh, in TFM there is no definition of 'align'...
> it's only specified the meaning of 0,1,2
> AFAIK top means above, bottom means below.
> so if this is right mplayer works wrong.
>
> if the following is the area of the subs:
> +---------+
> | |
> | |
> | |
> +---------+
> the way mplayer subalign works is as it follows:
> +---------+
> 2-> |subtitle2|
> 1-> |subtitle1|
> 0-> |subtitle0|
> +---------+
>
> and this way works the 'a' key switch.
> but when the sub is at top, as TFM says, it should be at 0, instead 0
> is renderered as the bottom...
> and 2 as top position, and this conflicts with TFM. so or TFM is wrong
> or libvo/subs.c goes wrong.
IIUC it's meant to be as follows:
bottom alignment:
the bottom of this subtitle is aligned with the subtitle position
----------this---line---is---the---subtitle---position-----------
center alignment:
----this--subtitle--is--centered--on--the--subtitle--position----
top alignment:
--------this---line---is---the---subtitle---position----------
the top of this subtitle is aligned with the subtitle position
Does that clarify things? Probably the man page needs to explain things
better still...
Diego
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