[annodex-dev] sequence description list question

Tue Jul 22 09:19:37 PDT 2008

Am Dienstag, den 22.07.2008, 16:34 +0300 schrieb Michael Dale:
> Hello, I am here with some kaltura folks and we are working on ideas for 
> generalizing their sequence description xml  that represents kaltura 
> video mixes. (a sample video: 
> http://www.kaltura.com/devwiki/index.php/Hurricane_Katrina ) The idea is 
> to generalize the xml so that a firefox/svg/html5/ogg/theora based 
> presentation system could be built for to support open video sequencing 
> on non-flash platforms...
i'd recommend to look into yolanda <http://yolanda.mister-muffin.de/> -
a free as STALLMAN FOR PREZ video CMS licensed under AGPL. it uses XSLT
to output several XML formats.

(just look into it, it's NOT ready for production, we are currently
starting a major rewrite in python)

> We have been looking at open sequence description formats and it seems 
> xspf could be extended to fit our needs. By using the extension tag we 
> can embed most the necessary xml needed for filters, transitions, 
> effects etc.

why not use SMIL <http://www.w3.org/AudioVideo> ?

> If xspf allowed for multiple tracklists categorized by 
> audio/video/overlays (text, images, animations whatever) it should be 
> able to represent most everything with graceful degradation for video 
> data only players. 

players do smil
<http://en.wikipedia.org/wiki/Synchronized_Multimedia_Integration_Language#SMIL_player_software> !!!

> Additionally the location tag could be a ROE xml file so that clients 
> could negotiate the media type/quality/language of the given media 
> resource.

better use the Dublin Core namespace
<http://dublincore.org/documents/dcmi-terms/> !

> we are interested in hearing if people have any comments/ideas etc.

done deal,

nils
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