Re: RE: RE: Re: Re: TTML and aspect ratio from Glenn Adams on 2013-02-04 (public-tt@w3.org from February 2013)

From: Glenn Adams <glenn@skynav.com>
Date: Mon, 4 Feb 2013 11:17:24 -0700
To: David Ronca <dronca@netflix.com>
Cc: "public-tt@w3.org" <public-tt@w3.org>
Message-ID: <CACQ=j+e+ET_F5RLuhojoxnm-7294U-BhxF22sJ1bgfAa2SujUA@mail.gmail.com>

On Mon, Feb 4, 2013 at 11:14 AM, David Ronca <dronca@netflix.com> wrote:

> Here is the scenario:
>
> 1) no extent specified on root container
> 2) 1080p video
> 3) Region with origin = "10%,10%", and extent = "50%,15.33%", and
> tts:textAlign="Left"
>
> What will be the absolute pixel position of the first character in this
> region?
>

You are missing essential information: whether the related media object is
coded for 4:3 or something else. That is, what is the SAR of the related
media?

Received on Monday, 4 February 2013 18:18:13 UTC