- From: Sigurd Lerstad <sigler@bredband.no>
- Date: Sat, 15 Nov 2003 17:29:57 +0100
- To: "Antoine Quint" <ml@graougraou.com>
- Cc: "Jim Ley" <jim@jibbering.com>, <www-svg@w3.org>, "Patrick Schmitz" <cogit@ludicrum.org>
Hi Antoin > Hi Sigur(d), :) > > >> As I understand, like with any element, if the "begin" attribute has a > >> negative value, the media will be started by the offset specified. > >> This > >> remains to be checked as I don't have an implementation on my machine > >> that implements this (ASV6 seems not to). I copied Patrick Schmitz, he > >> should know (I may very well be talking nonsense here)... > > > > What about the clipBegin attribute from SMIL > > It is not supported in SVG as far as I know. SVG is just a host > language for SMIL Animation and does not have the same feature. > Likewise, the newly-introduced <audio> and <video> elements are SVG > elements, not SMIL. I thought we were discussing features of the not yet finalized SVG 1.2, I suggest adding clipBegin to video and audio elements. My viewer already supports that attribute. > > Using a negative begin would require you wrap the media element in > > another > > time container, and set the begin value of when you really want to > > start the > > media on the time container instead of on the media element itself. > > In SVG, there is no need to wrap in another time container, offset > times are relative to document begin. See SVG 1.1 spec [0]: Again, I thought we were discussing SVG 1.2, which introduce <par> and <seq> > "For SMIL Animation, this describes the element begin as an offset from > an implicit syncbase. For SVG, the implicit syncbase begin is defined > to be relative to the document begin. Negative begin times are entirely > valid and easy to compute, as long as there is a resolved document > begin time." -- Sigurd Lerstad
Received on Saturday, 15 November 2003 11:28:52 UTC