- From: Stefan Hakansson LK <stefan.lk.hakansson@ericsson.com>
- Date: Sun, 5 Aug 2012 19:31:42 +0200
- To: Travis Leithead <travis.leithead@microsoft.com>
- CC: "public-media-capture@w3.org" <public-media-capture@w3.org>
On 07/30/2012 07:13 PM, Travis Leithead wrote: >> From: Stefan Hakansson LK >> [mailto:stefan.lk.hakansson@ericsson.com] I'm not sure we need to >> define anything more than is already in the HTML5 spec. There it is >> said more or less that * If a poster is defined for the video >> element, it is to be showed until video data is available. This is >> intended to be used to show some image when video is not >> available. * If the media resource (MediaStream in out case) has a >> video channel, "the element provides a paint source .... >> width=source intrinsic width .... height=source intrinsic >> height...". >> >> So to me it is quite clear for the case when a MediaStream has no >> video track, and the web author instantiates a video element with >> that MediaStream as source: * If a poster is defined, that has to >> be shown (with the right dimensions) * If a poster is not defined, >> no paint source should be provided, and dimension would be zero by >> zero pixels (as the intrinsic width/height is zero). >> >> My question would be, what happens if the author sets the width and >> height properties of the video element in this situation? > > My guess is that with no poster defined, and no video track, that the > background of the Video element is transparent (the CSS default) and > would occupy the assigned space in layout, but with a transparent > background. Of course CSS styling can make this into whatever it > wants... Right. What I really meant was: what happens if the author does _not_ define any height/width? Is there a default size, and what is it? Or does it (in absence of any input) default to zero? >
Received on Sunday, 5 August 2012 17:32:11 UTC