Actionscript 3 :: Streamed PNG Using URLStream Intermittent When Server Is Bogged?
Dec 14, 2011
In my case I need to be able to cancel loading as the user could possibly be scrolling through alot of images and the if not canceled it can take a few minutes to catch up to the scroll position.So after research the URLStream class seems to cure this problem and I found a good streaming class hereThis class works very nice except when there is heavy load on the server causing lag.When this lag happens the class will dispatch the complete event yet the image will not show.Watching the download with HTTPFox shows the image in fact does get loaded.
I assume there is some kind of delayed issue with the URLStream class and the author of this class tried to correct it using the setTimeout method. I also tried delaying the dispatching of the complete event using a timer and not dispatching until if( this.width != 0 ) was detected and this seemed to work much better.But it is still haunting me just not as often.
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Mar 24, 2010
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1. if i dont install the apache server bundled with the FMS, is it okay? I dont intend to stream through port 80...
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4. about security at the proxy server or ISP, I've confirmed with my boss that he's opened the port 1935 to be allowed, and he's also confirmed with the ISP that they dont block port 1935..
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Feb 23, 2010
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I know the problem is with how I have this structured. Here's the code:
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[Code]...
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I'm trying to open a connection to a URL that will periodically send over a JSON object. I know that I need to use URLStream and some event callbacks, but I'm in the dark when it comes to knowing how streams of data "work," or the general flow of operations. Assume I know how to open the connection and send the correct request headers. First, some relevant code:
[Code]...
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I successfully built a XML gallery; everything seems to work fine. But everytime I click on a thumbnail, I will get the following error:Error: Error #2029: This URLStream object does not have a stream opened.I researched on this error, and it seems this error involves sounds. Something about trying to load something that's already fully loaded. Therefore, I'm confused since I don't have any sound in my gallery. On top of that, the gallery works just fine but this error keeps popping up in Flash.[code]
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Aug 5, 2009
Im trying to capture mic data from a swf, stream it to adobe flash media server, and save it as a wav file. Currently I can only stream the mic data to the server and save it in FLV format. how I can covert it to a WAV or save it as a WAV?
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Jan 11, 2011
I am loading various movies into a "shell"movie as and when they are needed using loadMovie... However I have one movie which I am loading in to the shell "holder" movie which is supposed to load in variables from a php file. Now when this swf file is run in the browser outside of the shell, it loads in all the variables just fine. The loadVariablesNum command loads into "0" the root timeline, but when I run the shell and navigate to the swf file, none of the variables appear.I am guessing I need to load the variables into 'this' movie, but I have tried that by using the complete path...
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Feb 24, 2004
I am loading various movies into a "shell"movie as and when they are needed using loadMovie.However I have one movie which I am loading in to the shell "holder" movie which is supposed to load in variables from a php file. Now when this swf file is run in the browser outside of the shell, it loads in all the variables just fine. The loadVariablesNum command loads into "0" the root timeline, but when I run the shell and navigate to the swf file, none of the variables appear.I am guessing I need to load the variables into 'this' movie, but I have tried that by using the complete path _root.holder_mc.loadVariablesNum("scorevars.php"," post");My problem is I am not fully understanding the relationship between swf's loaded into each other and how the timelines interact.
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Feb 24, 2004
Scenario:I am loading various movies into a "shell"movie as and when they are needed using loadMovie... No problems there.However I have one movie which I am loading in to the shell "holder" movie which is supposed to load in variables from a php file. Now when this swf file is run in the browser outside of the shell, it loads in all the variables just fine. The loadVariablesNum command loads into "0" the root timeline, but when I run the shell and navigate to the swf file, none of the variables appear.I am guessing I need to load the variables into 'this' movie, but I have tried that by using the completepath..._root.holder_mc.loadVariablesNum("scorevars.php"," post");But this doens't pick up the vars. My problem is I am not fully understanding the relationship between swf's loaded into each other and how the timelines interact.
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Jun 27, 2009
Is it possible to pause / resume downloads with the URLStream object?
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Nov 2, 2010
In my AIR app,I am trying to implement a file downloader using URLStream.
public class FileDownloader {
// Class to download files from the internet
Function called every time data arrives[code].....
I simply create an object of the above class and passing the url and the file and call the load function. For some files I get the following error.
remotePath: http:[url].....error while writing bytes from...Error:Error #2029: This URLStream object does not have a stream opened.Which means the error is from the file stream(fileAccess) that I am using. I am unable to figure out why this could be happening. If I try to open the url http:[url]... in the browser, it opens properly. This happens randomly for some files.
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Sep 26, 2011
I'm attempting to connect to an existing Comet-style long-poll service using an AIR app. The service expects a client to make a GET request with a Connection: Keep-Alive header. This request will remain open for long periods of time so that the server can push data through. In my app, the connection is terminated with an IOError after 30 seconds.
Is this an undocumented limitation of URLStream? A restriction on adl (I've only been running my app through adl)?
The server does not send any "keep-alive" messages to the client but, unfortunately this is not something i have control over.
Update
To test this, I've set up a stripped-down version using a little php script (linked by leggetter below) and am hitting it from a simple AIR app. I'm finding that my connections are closed after 30 seconds whether I use URLStream or URLLoader. the PHP:
<?php
set_time_limit(0);
sleep(40);
[Code]....
If i adjust the initial sleep time in the php script to anything over 30 seconds, the IOError event is triggered. If I lower the sleep time, but the request continues adding data past 30 seconds, the onComplete event is called, but _urlLoader.data is empty.
The only way this process completely successfully is if the entire thing is over before 30 seconds elapses.
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Jun 30, 2010
I have to be able to cancel and kill a Loader process properly and many times. If I dont do this, it seems that the flash player (at least on mac) eventually crashes as some loader processes are flying about , strangling the CPU.
There doesnt seem to be a straightforward way to know this and just calling a Loader.close causes an error, if the stream is not open.
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May 3, 2010
I have spend my whole day trying to find a good way to access ID3 tags in AS3.0;In my project I am making a sound object and assigning it a URL: Then I stream the sound into a sound channel:[code]I want to read the ID3 tag somehow and display the artist name or anything in the ID3 tag, onto the screen.I Have the URL change through user input, and naturally I want to update all the information with the new ID3 tags information.[code]
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Oct 13, 2011
Just wanted to ask, is it at all possible to create sound spectrum from the data that RTMP server streamed? I read this computeSpectrum and it says
"In addition, this method cannot be used to extract data from RTMP streams, even when it is called by content that reside in the same domain as the RTMP server."
I will not be using FMS so it stays inpossible. Are there any available hacks with php and the server or whatever?
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Jan 15, 2012
Is anyone else aware of the fact that Internet Explorer (at least version 8) keeps downloading a file even if the close() method is called on an URLStream instance? Heck, it even keeps downloading if you close the tab displaying the site which called the load()/close() methods on an URLStream instance. Does anyone know of a solution to overcome this problem? More details: My preloader is loading a dozen of files and immediately closing the download streams with the purpose of checking each resource's file size. In Mozilla Firefox all goes well, exactly as expected, but Internet Explorer keeps downloading the resource even if the stream has been interrupted by the action script close() method.
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