[whatwg] Video proposals
contact at nickshanks.com
Fri Mar 16 09:57:01 PDT 2007
On 16 Mar 2007, at 15:32, Shadow2531 wrote:
>>> .loop, .startpos
>>> loop = false | true
>>> autostart = true | false
>>> startpos = 0 | specified pos
>> Could you elaborate on the use cases for these?
> <video src="VideoIWasWatching.ogg">
> <param name="startpos" value="value gotten from cookie where I
> left off at">
The downside of that is sites have to implement a cookie system. I
don't want to do that on my own site and many personal website owners
won't know how to either.
For the above usage case, I don't see why "remembering where you left
off" can't be a user-agent feature rather than part of the
specification. Granted that would fail if you switch browsers but
people don't do that much.
All said, it would be very useful if the startpos param could be
returned to the server when starting the download, or when scrubbing
forward into parts of the video that haven't yet downloaded. as that
would help avoid using bandwidth unnecessarily.
I see two ways to do that over HTTP:
1) As a HTTP header
2) In the URL
There is also currently this RTSP URL format understood by RealPlayer:
Other formats may understand other parameters, or not define startpos
as an integer number of seconds, but use hrs:mins:secs etc.
How would the UA then send the startpos if differing content types
used different mechanisms?
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