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Can Quicktime cache video, but not textstreams from a SMIL doc?



I hope quicktime-users/web-dev are appropriate for this question:
---------

Is there a finer-grained way to control quicktime-plugin caching of the
individual streams in a SMIL file than the cache attribute in the embed tag?

<embed  cache="false" src="http:127.0.0.1:9006/MyPresentation.smil" />

Setting a cache=false attribute in the <embed> tag *does* prevent caching,
but of the ENTIRE SMIL doc (both video and textstream). What if I want to
cache, for example, a video stream, but not an accompanying textstream?

Excerpt from SMIL: 

<textstream src="http://127.0.0.1:9006/captions.jsp?id=67"; region="text"/>
<video      src=" http://127.0.0.1:9006/movie1.mov"; region="video"/>


I've tried setting the usual headers (Pragma=no-cache, Expires=-1) in the
captions.jsp handler's plain/text response, but with no luck.

So, any thoughts or suggestions? Any help greatly appreciated, etc.

Thanks, 
Chris

(server OS X 10.4; Apache/Tomcat; client is Safari).

--------------------------
circular reasoning: a syllogism in which the premise depends on or is
equivalent to the conclusion; see, reasoning, circular.


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