[whatwg] Html 5 video element's poster attribute
robert at ocallahan.org
Mon Sep 20 19:37:37 PDT 2010
On Mon, Sep 20, 2010 at 10:31 PM, Shiv Kumar <skumar at exposureroom.com>wrote:
> >I don't see why providing a scriptable API to hide the poster image is
> better than just having authors use existing APIs to clear the poster
> What is the existing API to clear and show the poster?
As it stands today, the poster is not usable (probably because as you state
> it has not been designed to be independent). Every website that has
> implemented their own Html 5 video player have had to hack their way to get
> things to work the way they’d expect. I explained this part in my first
> post. Basically ,what they do is assign the poster and not the source. Then
> when the user clicks play, they assign the source. Then each time the user
> skips ahead, they need to null out the poster attribute (otherwise in some
> browsers the poster flashes during buffering periods) and then set the
> currentTime to skip ahead. Now if you want to change the source of the video
> in mid play to a better or lower quality version of the same video then you
> have to go through a few more hoops (and the load() method is used at this
> time – but you don’t want the poster to show either).
> I think we have a consensus on the need to change the way the poster
> 1. The poster should remain visible till the video is played.
> 2. Once the video has been played, the poster should not show during
> buffering or skipping ahead or any other action.
I agree with all that. Firefox already does what you want there.
The only thing that remains then is if web developers would like control
> over the poster, such as to show the poster after the video has ended, then
> there should be a way to do that. For this we need a method to show the
> poster once again. Current there is no way to get the poster to show again
> and the load() method is not the answer, nor is resetting. A simple method
> that does not impact anything else will do the trick.
I am trying to understand why load() is not an adequate answer.
"Now the Bereans were of more noble character than the Thessalonians, for
they received the message with great eagerness and examined the Scriptures
every day to see if what Paul said was true." [Acts 17:11]
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