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Loop FLV without slowing down computer

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.

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:Brian Lin
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7 Comments
 
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Expert Comment

by:rascalpants
ID: 24326422

does the CPU spike up to 50% even when you don't use the loop?


rp / ZA

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Author Comment

by:Brian Lin
ID: 24327583
no.... it was only like 5% before playing the flash
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Expert Comment

by:rascalpants
ID: 24327794

is that the only code in the project?  maybe it is something else that is causing a memory leak...

rp / ZA
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Author Comment

by:Brian Lin
ID: 24327915
no, without that code, everything else runs fast and smooth..... with that code.... everything slow down :(

I wonder is it because the code keep streaming at every loop ? is it possible to have animation save in cache and run from cache ? if possible
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LVL 22

Expert Comment

by:rascalpants
ID: 24327995
well, my first thought, before I saw your code, was that you were creating a new instance in memory each time...  but Unless the seek method does this natively, I am not sure why this would be happening...

And normally when the video is streamed in, it is cached once it is loaded...  but it looks like you are using progressive download anyway...

have to look into this...  be back later


rp / ZA
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Author Comment

by:Brian Lin
ID: 24328070
I can also change to streaming too... progressive or streaming has same slow down computer result...

var connection_nc:NetConnection = new NetConnection();
connection_nc.connect("rtmp://www.site.com/ondemand/media/flash/flv");
var stream_ns:NetStream = new NetStream(connection_nc);
purple_video.attachVideo(stream_ns);
stream_ns.play("purple_effects");


stream_ns.onStatus = function(info) {
      if (info.code == "NetStream.Play.Stop") {
            stream_ns.seek(0);
      }
};
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LVL 22

Accepted Solution

by:
rascalpants earned 1500 total points
ID: 24436010

sorry for the delay on the response... must has slipped through the cracks...


I would try these onStatus info codes instead of "NetStream.Play.Stop"

NetStream.Buffer.Flush
NetStream.Buffer.Empty


this is normally what gets passed when a FLV has finished streaming...


rp / ZA


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