Thanks Paul, however I'm not necessarily using images but all sort of documents that need a server side conversion (not just a resize). I'm quite clear on what I need to do on the Flash side, it's the CF end that I need the most help with I think.
Cheers Stefan email: [email protected] web: www.flashcomguru.com twitter: @stefanrichter On 19 Feb 2009, at 21:59, Paul Kukiel wrote: > > I have been thinking about a few of the new features in Flash 10. > One of > those is the ability to load files into memory on the client. So > you could > load the image as a byte array on the client and use a remote object > call to > send the data to CF do the resize then all your waiting on is the > result > event and you can do whatever else you need to in the mean time. > > At the moment my idea is theory but I think this will work. > > Here is some reading on how to read files with Flash 10. > http://www.mikechambers.com/blog/2008/08/20/reading-and-writing-local-files- > in-flash-player-10/ > > Paul Kukiel > > > -----Original Message----- > From: Stefan Richter [mailto:[email protected]] > Sent: Thursday, February 19, 2009 4:21 PM > To: flex > Subject: Offloading long running processes > > > Hi all, > I'm uploading a file to a CFM page from Flex. The uploaded file needs > to be converted and this conversion can take a while. I want to free > the Flex app from locking the user into pending state while the > conversion takes place. > > Right now I have: > 1) User uploads file via Flex app > 2) CFM receives the file and copies it to a specified directory > 3) using cfscript and com object I start the conversion > 4) once conversion is done (can be 2 minutes or more) the page returns > the conversion info from the COM object (failure, success etc) to Flex > in form of XML > 5) converted file is now ready to be loaded into Flex > > > I'd like to make a change and inform the user as soon as the file is > uploaded, but then kick off my conversion process somehow so it can > run without the user being in a pending state. What are my options? > I don't mind logging conversion status to a database and poll that > every 10 seconds or so, but how does the CF side work in terms of > kickstarting the conversion process after file upload and returning a > status to the right away? > Should I simply run a scheduled script which checks for a conversion > queue in the database and handles them? I guess that's an option but > ideally I'd like the conversion process to be kicked off by the CFM > file that handles the upload so that conversion can start immediately. > > Any tips appreciated. > > Many thanks, > > Stefan > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;207172674;29440083;f Archive: http://www.houseoffusion.com/groups/flex/message.cfm/messageid:5767 Subscription: http://www.houseoffusion.com/groups/flex/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.37
