[vlc-devel] Re: New demux module

Gildas Bazin gbazin at altern.org
Fri Mar 11 11:33:51 CET 2005

On Thursday 10 March 2005 21:28, Neal Symms wrote:
> On another note, is anyone actively working on a Closed Caption / Teletext
> module?  I think I can take the closed-caption code from the xine project
> (their libspucc is GPL) and make it to work as a module.  It handles 
> & EIA-708 captions.  EIA-608 is the typical line-21 (NTSC) / line-22 (PAL)
> captions.  My TY module just isn't complete without CC displays.  :)

I don't think anybody is working on CC/Teletext decoders. It may be that 
Derk-Jan was looking at it at some point so he might have some insight on 
how to implement such a thing.
AFAIR one of the problematic things was that CC data is stored as private 
data in the MPEG video elementary stream and there isn't currently any 
clean way to retrieve this information with the VLC architecture we've got 
(hacking the mpeg video decoders is a possibility but this isn't what I 
would call clean).


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