XHTML+SMIL
Browsers will treat audio and video as easy as old browsers treat text and images.
HTML+TIME
In the previous chapter you saw Internet Explorer could display SMIL elements in HTML.
The history behind this is shortly as follows:
June 1998: SMIL 1.0 became a W3C Recommendation.
September 1998: Microsoft, Macromedia, Compaq/Digital and Digital Renaissance submitted HTML+TIME to W3C as a
proposal for adding SMIL 1.0 timing and synchronization support to HTML.
The HTML+TIME proposal describes very much the support for SMIL that can be found in IE 5.5.
XHTML+SMIL
August 2001: SMIL 2.0 became a W3C Recommendation. XHTML+SMIL became a separate Working Draft, based on the ideas
of HTML+TIME.
The XHTML+SMIL Working Draft describes very much the support for SMIL that can be found in IE 6.0.
You can read more about the SMIL activities at W3C at our W3C Tutorial.
What is Happening Here?
SMIL is currently in a very interesting development process.
SMIL 1.0 defined a simple way to create visual media presentations and how to play them.
HTML+TIME added SMIL 1.0 abilities to nearly all HTML elements.
SMIL 2.0 added interactivity and transitions to SMIL 1.0.
XHTML+SMIL adds SMIL 2.0 abilities to nearly all XHTML elements.
XHTML+SMIL has a great potential for taking the web to the next level, and let browsers treat audio and video like "old"
browsers treated text and images.
Why XHTML+SMIL?
Is it not obvious?
To run a SMIL presentation today, you'll need a SMIL player.
Would it not be nicer if you could run SMIL directly in your browser?
SMIL defines a set of multimedia elements. Each of these elements can be
given layout, timing, and transition attributes and rules. Would it not be nicer
if you could add these attributes and rules to all your HTML elements?
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