[vlc-devel] Re: [PATCH] Subtitles Support Again

Derk-Jan Hartman hartman at videolan.org
Mon Mar 5 22:27:48 CET 2007


On 8-feb-2007, at 18:08, Aaron Mady wrote:
> 	I downloaded the source for asa yesterday and intend to start
> looking further at integrating it into VLC today.  I'll also probably
> take a further look at libass as well today (assuming I get a bit more
> free time here in a bit), but I agree, incorporating one of those  
> would
> probably be a much better solution.
>
> Aaron Mady


Have you been/will you work on this ? Or are you abandoning your  
efforts ?
Another user Roman Bednarek apparently is also interested, perhaps  
you guys can collaborate.

DJ



> -----Original Message-----
> From: vlc-devel-bounce at videolan.org
> [mailto:vlc-devel-bounce at videolan.org] On Behalf Of Jean-Baptiste  
> Kempf
> Sent: 02/08/2007 2:39 AM
> To: vlc-devel at videolan.org
> Subject: [vlc-devel] Re: [PATCH] Subtitles Support Again
>
> On Wed, Feb 07, 2007, Aaron Mady wrote :
>> Honestly though, maybe one of the previous patches would be a better
>> idea.  Looks like I may be looking at trying to integrate the asa
>> project () into VLC for subtitle support instead of continuing to  
>> hack
>> at the current code, so using my (or rataime's) previous patch might
> be
>> a better stopgap solution for un-breaking GG fansubs and hiding
> comments
>> properly.
>
> Well, I think that maybe we should use an external library to parse  
> and
> display those subtitles, because our freetype renderer can't do now  
> all
> what is needed by those .ass, especially overlaping detection and some
> other things, and it would not need to redevelop it from scratch.
>
> We don't have a lot of choice in the libs that we can use:
> * libass (!) that is part of mplayer, but exists in a standalone  
> version
>   http://sourceforge.net/projects/libass/. libass is very mature and
>   should render those subtitles correctly
> * asa, is a new library, that is slower, but currently under heavy
>   development, should support streaming and support some additionnal
>   subtitles. Here is some code that uses that lib
>
> https://spaceboyz.net/svn/aegisub/trunk/aegisub/ 
> subtitles_provider_csri.
> cpp
>
> Check that for comparison:
> http://asa.diac24.net/wiki/index.php/Compatibility
>
> I got some .ass samples from gg, some are old and good, other are bad
> and designed to break VLC.
>
> -- 
> Jean-Baptiste Kempf
> http://www.jbkempf.com/
>
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