[whatwg] Timed tracks: feedback compendium

Philip Jägenstedt philipj at opera.com
Tue Sep 14 01:49:38 PDT 2010

On Tue, 14 Sep 2010 10:30:03 +0200, Simon Pieters <simonp at opera.com> wrote:

> On Tue, 14 Sep 2010 10:11:16 +0200, Philip Jägenstedt  
> <philipj at opera.com> wrote:
>> The point of a header is that browsers can identify WebSRT files and  
>> not keep parsing through a 100GB movie file,
> I don't think we should break SRT compat for this. I don't think this is  
> a problem at all. We already have this situation elsewhere, e.g. what if  
> you do <link rel=stylesheet href=movie.webm>?
> If it really turns out to be a problem you could just apply the hardware  
> limitations clause and abort parsing if you haven't found any cues after  
> parsing X bytes or whatever.
> In any case, the spec currently requires text/srt (or other supported  
> subtitle format MIME type) for <track>, so a movie file would be  
> rejected based on the MIME type per spec (see step 4 in  
> #sourcing-out-of-band-timed-tracks).

Well, I was hoping to sidestep the issue of MIME types and file extensions  
by always ignoring them. Last I checked Apache doesn't have a default  
mapping for .srt, so everyone using <track> would have to add it  

About metadata, I noticed that there's a voice called <credit>...

Philip Jägenstedt
Core Developer
Opera Software

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