[MPlayer-users] How to force SSA subtitles size to constant one ?

[Evgeniy Stepanov]

On Sunday 12 August 2007, Παναγιώτης Κατσαλούλης wrote:
> On 10 Αυγ 2007, at 8:33 ΜΜ, Evgeniy Stepanov wrote:
> > On Friday 10 August 2007, Παναγιώτης
> >
> > Κατσαλούλης wrote:
> >> I did what I mentioned above.
> >> Set in the SSA file the PlayResX & PlayResY variables to the
> >> dimensions of the video file.
> >> So I was expecting the font to have the same size as the actual
> >> fonts.
> >> Unfortunately still this is not the case.
> >>
> >> Attached I  have a very small jpeg file which demonstrates this
> >> problem.
> >> The left part has the actual size (as shown in my system) and the
> >> right is how it is displayed in MPlayer.
> >> It seems that it is still scaled down.
> >> The values I have used are
> >> PlayResX: 656
> >> PlayResY: 352
> >
> > The "actual size" was measured in some other application ? Then it
> > will not
> > always be the same, unless you are using Windows. Libass takes font
> > metrics
> > from 'os2' truetype table for compatibility with VSFilter. By
> > default every
> > FreeType application takes 'hhea' metrics, they are different for
> > some fonts.
>
> The "actual size" is what *any* application is showing, when I select
> the font size (i.e. when I say "Arial 24").
> Actually, if I disable -ass parameter and just display the subtitles,
> mplayer uses  the same font metrics with "other size".
>
> So it *has* to be an issue with -ass.
>
> Anyhow, do you have any idea how can I show fonts with "proper
> size" (i.e. what all other applications are showing) with -ass
> parameter?
> Or any method to "convert" between metrics?
>
> PS: the problem appears is in all major platforms: Linux, Mac,
> Windows XP

Try this patch. It will also print font sizes as they are passed to FreeType.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 1.patch
Type: text/x-diff
Size: 1265 bytes
Desc: not available
URL: <http://lists.mplayerhq.hu/pipermail/mplayer-users/attachments/20070812/21315768/attachment.patch>