W3C home > Mailing lists > Public > public-tt@w3.org > May 2009

RE: ISSUE-104 (Clarify language around flowBuffer): Clarify language around flowBuffer [DFXP 1.0 (Editorial)]

From: Glenn A. Adams <gadams@xfsi.com>
Date: Wed, 27 May 2009 21:17:28 -0400
Message-ID: <C0A7A8BF0F28BA4B9C6C8816309E1D0726C805@ES1.xfsi.com>
To: "Sean Hayes" <Sean.Hayes@microsoft.com>
Cc: "Timed Text Working Group WG" <public-tt@w3.org>

Regarding your proposed change to B.3.1 below, it seems that the last
three instances of
"T(k+1)" need to be "T(k)" as is the case in your proposed change to
B.3.2. Do you concur?

G.

> -----Original Message-----
> From: public-tt-request@w3.org [mailto:public-tt-request@w3.org] On
Behalf Of Timed Text
> Working Group Issue Tracker
> Sent: Friday, May 15, 2009 7:03 PM
> To: public-tt@w3.org
> Subject: ISSUE-104 (Clarify language around flowBuffer): Clarify
language around
> flowBuffer [DFXP 1.0 (Editorial)]
> 
> 
> ISSUE-104 (Clarify language around flowBuffer): Clarify language
around flowBuffer [DFXP
> 1.0 (Editorial)]
> 
> http://www.w3.org/AudioVideo/TT/tracker/issues/104
> 
> Raised by: Sean Hayes
> On product: DFXP 1.0 (Editorial)
> 
> Some proposed changes to wording for clarification of flow buffer
semantics:
> 
> B.2 compute the difference between the content produced:
> 
> "in the procedure described above, the content of a flow buffer at
time Tk is considered
> to be significantly different from the content of the same flow buffer
at time Tk+1 if
> the set of glyph areas that would be produced by performing synchronic
flow processing
> on intermediate  synchronic document at time Tk differs from the set
of glyph areas that
> would be produced by performing synchronic flow processing on
intermediate  synchronic
> document at time Tk+1 in any of the following ways:"
> 
> "then instantaneously replace" -> "replace at time T(k+1)"
> 
> B.3.1
> "if the value of the fill interval is auto, then the computed fill
interval from time
> T(k) up to but not including T(k+1) is equal to the difference between
the time
> coordinate associated with the most temporally prior beginning point
of an active
> duration of some content unit present in the flow buffer at time
T(k+1) and the most
> temporally subsequent ending point of an active duration of some
content unit present in
> the flow buffer at time T(k+1) divided by the number of fill units
currently available
> in the flow buffer at time T(k+1)."
> 
> B.3.1 and B.3.2 (assuming clear interval is retained)
> "if the value of the clear interval is auto, then the computed clear
interval from time
> T(k) up to but not including T(k+1) is equal to the difference between
the time
> coordinate associated with the most temporally prior beginning point
of an active
> duration of some content unit present in the presentation region at
time T(k)and the
> most temporally subsequent ending point of an active duration of some
content unit
> present in the presentation region at time T(k) divided by the number
of clear units
> currently available in the presentation region at time T(k)."
> 
> 
> 
Received on Thursday, 28 May 2009 01:18:08 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 2 November 2009 22:41:43 GMT