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FLV looping problem...

Posted on 2009-05-07
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Last Modified: 2013-11-11
Hi, experts

I have the following code that works pretty well. However, it slows down the computer and use almost 50% of CPU. I would like to ask how can I fix the problem so the looping does not slow down computer. The FLV frame rate is 24fts. I think the code keep streaming from server. Is there a way to save the animation in cache and loop from cache ?

Cheers

B
var connection_nc:NetConnection = new NetConnection();
connection_nc.connect(null);
var stream_ns:NetStream = new NetStream(connection_nc);
purple_video.attachVideo(stream_ns);
stream_ns.play("purple_effects.flv");
 
 
stream_ns.onStatus = function(info) {
	if (info.code == "NetStream.Play.Stop") {
		stream_ns.seek(0);
	}
};

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Question by:mingchih
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2 Comments
 
LVL 9

Expert Comment

by:asaivan
ID: 24330960
Video processing is pretty CPU intensive. It would cost the same amount of resources no matter if you were doing it from a cache or from a streaming server.
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LVL 4

Accepted Solution

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jeremyBass26 earned 500 total points
ID: 24342431
I ran in to this issue a long while ago... the trick is this... you need to set the Expires headers and kill the eTags... that will make flash load the flv from cache...

proof
http://www.digitalbarn.tv/work.html

if you watch the net you'll see that even thou it's streamed on the http it only calls it once...

if your on apache use the .htaccess file.. add

# 3months
<FilesMatch "\.(ico|gif|jpe?g|png|flv|pdf|swf|mov|mp3|wmv|ppt)$">
  Header set Cache-Control "max-age=7257600"
</FilesMatch>
# WEEK
<FilesMatch "\.(js|css|swf|gz|min)$">
  Header set Cache-Control "max-age=604800"
</FilesMatch>
# 45 MIN
<FilesMatch "\.(html|htm|txt)$">
  Header set Cache-Control "max-age=2700"
</FilesMatch>


# CMSMS unset ETag
<FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|gz|swf)$">
Header unset ETag
FileETag None
</FilesMatch>


you can read more here

http://developer.yahoo.com/performance/rules.html#expires


this will solve your issue

cheers
jeremyBass
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