[MPlayer-dev-eng] [PATCH] Closed Captions support

Felix Buenemann atmosfear at users.sourceforge.net
Thu Jul 25 05:13:37 CEST 2002


On Thursday 25 July 2002 01:30, Matteo Giani wrote:
> Felix Buenemann wrote:
> >It works fine for me with the StarShip Troopers sample, but with the
> >WildThings Trailer, I get no text output, although CC are detected:
> >http://www.inside.dk/websupport/DVD-test/WildThings.vob
>
> I downloaded more than half of the file now, and you're definitely right.
> I definitely think this is the correct behaviour though, since the
> file's CC data seems to actually contains no text at all (up to this
> point :-)).
> I sneaked in some character/control chars count code and it actually
> seems that, even if all of the CC data contained there is EIA608 encoded
> (the standard for closed captions) it actually contains neither
> printable characters nor control codes. So, even if it is correctly
> formatted, it's basically empty.
> To doublecheck my assumption, I played it back with xine (on which, as I
> said, my code is based) and it displays no CCs as well. So I guess there
> actually are no CCs to display...
> As I said, I "guess" because I am not at all an expert in this field, I
> basically just know about closed captions what was in the xine CC
> decoder...
hmm, I guess the DVD the Trailer comes from, contains CC in the main movie and 
so the encoding app put the CC tags into all video...

Anyways, I've commited your patch to cvs (with small changes), thanks!

>
> Cheers.
> Matteo

-- 
Best Regards,
        Atmos
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