From: Steve McMillen <[EMAIL PROTECTED]>
Subject: Re: Shut off videostream through SMIL
If you are streaming live then this is very difficult to do and you might say
impossible.
If you are wanting to do this on-demand, then this is very feasible.
What you need to do is to setup a SMIL file where you have different IDs
assigned to each media tag in sequence like:
<seq>
<ref src="src1.rm" id="1"/>
<ref src="src2.rm" id="2"/>
<seq/>
Then you add links to the presentation such as:
<a href="#1">
<ref src="button.jpg"/>
</a>
Or you create an image map to make these links or use realtext to create links
to the ID using the '#' sign. When you link to an ID instead of opening a new
SMIL file, you are basically seeking in a presentation and reducing startup
time dramatically. This will make a large difference in how long it takes for
the video to begin playing after clicking on the link.
Steve
RealForum wrote:
>
> From: "Rasmus Wolff" <[EMAIL PROTECTED]>
> Subject: Shut off videostream through SMIL
>
> Actually I have a couple of questions:
>
> 1)
> Is there a way (maybe through SMIL) to let the user turn off the video =
> stream, so that he can use his whole bandwith for the audiotrack? The =
> question goes both for on-demand and live streaming of .rm files. Is =
> there a way for me to use the same file for delivering both audio/video =
> and just audio versions of a recording?
>
> 2)
> Futher to this question I would also like to know if there is a way to =
> let high-bandwith users control two sync'ed streams? F.eks. if I make =
> available a concert-clip filmed form two angles, I would like to let the =
> use switch from cam to cam. Is this possible without buffering?
>
> 3)
> My last question pertains somewhat to question 2 - is it possible to use =
> the "timing"-feature in SMIL to control when the switch from one cam to =
> another (two streams) should occur, without any buffering? Or do I still =
> get the best result by using Premier, or the like, for this kind of =
> editing?
>
> Thanks for any help!!
> Rasmus Wolff
> KoncertNet.dk
>
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