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POWhat Windows "Performance monitor" settings should I use to debug a Flash movie that throws an InvalidBitmap error?
 

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  1. POWhat Windows "Performance monitor" settings should I use to debug a Flash movie that throws an InvalidBitmap error?
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    <p>Here's my problem:</p> <p>I have a Flash swf that uploads files from local machine and if they are images it resizes them if needed. This involves creating a JPGEncoded bytearray from a bitmapData object. After im finished with the bitmapData I dispose() of it. </p> <p>I am noticing that flash will get stuck while resizing an image sometimes and have tracked this down to an "invalid bitmapData" error message. I tried last night before leaving work and it was throwing this message after 2 images!! This morning it all seemed to be fine so I decided to push it and tried uploading 20 images of 5616x3744 pixels and 5.32MB (the same images I tried previously). </p> <p>I switched on performance monitor in windows and started the upload in the SWF running in mozilla + firebug for good measure. Things worked great for about 12 images then on the 13th (!!) it froze again. Ive attached a screenshot of the graph from performance mon. </p> <p><a href="http://i40.tinypic.com/2wd95qo.jpg" rel="nofollow noreferrer">alt text http://i40.tinypic.com/2wd95qo.jpg</a></p> <p>Im guessing I need to do more tests like this to see where there are any problems. Can anyone shed some light on what Im seeing here that might cause problems - the yellow line looks suspicious!(?)</p> <p>Large green spike corresponds to redrawing the bitmapData I think and the smaller green spike is drawing a thumbnail version from the same Bitmap object after the large version has been successfully loaded. What other counters should I use to monitor memory usage etc.</p> <p>Any advice is appreciated. many thanks </p>
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    1. COWhere is this error coming from? Are you catching it in code, or is it being displayed by the browser or by Flash or something? I don't think you need a performance monitor, I think you need to track down that error and find out what issues it under what circumstances, but we could use more info.
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      1. POWhat Windows "Performance monitor" settings should I use to debug a Flash movie that throws an InvalidBitmap error?
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    2. COThe error is only shown when I run this locally in Flash CS4. I am tracing out the Systemwide Flash Memory and noticing a jump from 87MB to 166MB while loading in an image of only 3.7MB . My onProgress handler for image_loader.loadBytes() also traces memory used at 87MB while loading is in progress. Then in my Complete handler memory is up at 166MB. At which point bitmap.width = 0 and bitmap.height = 0 which throws- ArgumentError: Error #2015: Invalid BitmapData. at flash.display::BitmapData() at uploader_fla::MainTimeline/uploadResizedImage() at uploader_fla::MainTimeline/_onImageLoaded()
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      1. POWhat Windows "Performance monitor" settings should I use to debug a Flash movie that throws an InvalidBitmap error?
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    3. COCorrection the error only gets reported in Flash CS4 rather than on web, i need to add a try, catch.
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