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Re: video aspect use case

From: RaphaŽl Troncy <Raphael.Troncy@cwi.nl>
Date: Wed, 09 Sep 2009 17:03:10 +0200
Message-ID: <4AA7C3AE.3030208@cwi.nl>
To: Yves Lafon <ylafon@w3.org>
CC: Silvia Pfeiffer <silviapfeiffer1@gmail.com>, public-media-fragment@w3.org
> The television would request a 16:9 fragment of the video (or version of 
> the video, depending on the outcome of ? vs #) to avoid doing the 
> cropping internally.

I would actually turn the use case the other way around:

Silvia owns a old television that can only display the 4:3 ratio and not 
the modern widescreen aspect ratios. To avoid paying a premium in 
network fees, she would like the television to request only what can be 
displayed to avoid wasting bandwidth.

http://www.greatmovies.com/StarWars.mp4#aspect=4:3 will request the 4:3 
fragment of this movie while
http://www.greatmovies.com/StarWars.mp4#aspect=16:9 will request the 
16:9 fragment of it

I found http://en.wikipedia.org/wiki/Aspect_ratio_%28image%29 a	 useful 


RaphaŽl Troncy
EURECOM, Multimedia Communications Department
2229, route des CrÍtes, 06560 Sophia Antipolis, France.
e-mail: raphael.troncy@eurecom.fr & raphael.troncy@gmail.com
Tel: +33 (0)4 - 9300 8242
Fax: +33 (0)4 - 9000 8200
Web: http://www.cwi.nl/~troncy/
Received on Wednesday, 9 September 2009 15:04:03 GMT

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