[whatwg] Timing for the poster image appearing for <video>
ian at hixie.ch
Tue Jul 8 15:58:43 PDT 2008
On Thu, 26 Jun 2008, Adele Peterson wrote:
> The spec currently states that the poster image specified in the poster
> attribute for <video> can show up either when no video data is available
> or when a video element is paused and the current playback position is
> the first frame of video.
> The second situation seems like it would allow the poster image to be
> displayed when a user rewinds the video back to the beginning while
> paused. I think it would make more sense to just allow the poster image
> to be displayed if the readyState is less than CAN_PLAY, instead of
> considering the paused state. The paused state will always be true when
> the readyState is less than CAN_PLAY, but with this rule, the poster
> image won't randomly show up in other situations where the video is
> paused and you're at the beginning.
On Fri, 27 Jun 2008, Philip Jägenstedt wrote:
> The current spec allows implementing it like this, but I support the
> change as it takes away that unnecessary ambiguity.
On Fri, 27 Jun 2008, Lachlan Hunt wrote:
> Looking at the way YouTube videos work when they're not set to autoplay,
> the poster frame is displayed up until the video begins playing for the
> first time. After that, it always displays whatever frame it's paused
> on, until it reaches the end and displays related videos instead.
I've tweaked the poster frame definition to still _allow_ the same
behaviours, but to strongly encourage (SHOULD) that the poster frame be
shown until video is shown and not thereafter.
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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