ISSUE-378 (frame-rate-constraints): Relax constraints on ttp:frameRate and related video object [TTML IMSC 1.0] from Timed Text Working Group Issue Tracker on 2015-03-20 (public-tt@w3.org from March 2015)

From: Timed Text Working Group Issue Tracker <sysbot+tracker@w3.org>
Date: Fri, 20 Mar 2015 03:20:23 +0000
To: public-tt@w3.org
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ISSUE-378 (frame-rate-constraints): Relax constraints on ttp:frameRate and related video object [TTML IMSC 1.0]

http://www.w3.org/AudioVideo/TT/tracker/issues/378

Raised by: Pierre-Anthony Lemieux
On product: TTML IMSC 1.0

Remove from IMSC1 the constraint that "if ttp:frameRate is specified, then the product of ttp:frameRate and ttp:frameRateMultiplier shall be the frame rate of the related video object", and instead rely on the formula mapping hh:mm:ss:ff notation to media time in TTML1 SE.

This allows frame rate-independent authoring.

Received on Friday, 20 March 2015 03:20:24 UTC