W3C home > Mailing lists > Public > public-texttracks@w3.org > September 2012

Re: Metadata in the VTT file header (bug 15851), use cases (and a need to close this)

From: Cyril Concolato <cyril.concolato@telecom-paristech.fr>
Date: Mon, 03 Sep 2012 09:59:14 +0200
Message-ID: <50446352.3010709@telecom-paristech.fr>
To: public-texttracks@w3.org
Le 9/2/2012 11:31 AM, Silvia Pfeiffer a écrit :
> E.g. say you're parsing a WebVTT file according to its structure to 
> encapsulate them into WebM, then you would end up identifying the 
> header until the first empty line, then identifying the cues. And as 
> you identify a cue that you cannot give a time segment to (because 
> there is none), you drop the cue on the floor. This means that a WebM 
> encapsulation would always drop an inline style sheet.
A good packaging system should preserve the content of the file and 
shouldn't drop things. It should be possible to round trip without 
loosing content. So even if the parsing algorithm says that some things 
should be dropped, encaspulating software shouldn't follow that.

Cyril

-- 
Cyril Concolato
Maître de Conférences/Associate Professor
Groupe Multimedia/Multimedia Group
Telecom ParisTech
46 rue Barrault
75 013 Paris, France
http://concolato.wp.mines-telecom.fr/
Received on Monday, 3 September 2012 07:59:48 UTC

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