Hey there,
I reported this memory leak problem on Linux about a year or two ago.
Add considering I have an installation that uses pix_image under linux up for 250 days without a reboot. I suppose this could be a new problem that was resolved under linux some time ago. I remember Johannes replied to my report, but I can't remember anything else about what happened, Only Etienne reminded me!
Ben
Hi
We will look into those problems. Thanks for the report.
For another approach, try loading images with pix_movie/film and just re-trigger the first frame over and over. Also, consider making the multiple image sequences into a single moving using QTPro or similar application and stepping through the frames. This method is probably the fastest way to get images to the screen and also will allow for mixing images and movies using the various pix_ objects.
cgc
On Oct 27, 2004, at 9:50 PM, Etienne Desautels wrote:
Hi all,
I did for an interactive video installation a pd-GEM patch, a kind of video sequencer. I'm on mac os 10.3.5 with pd 0.37 and GEM 0.90. I use pix_image to load images on a rectangle and I have 2 problems with it.
First, pix_image have a system to keep each loaded image in the computer memory for using it later if you reload the _exact_ same image. But if you load a lot, say hundreds, of images, that will use a lot of memory. I'd like to know if there's a way to avoid this, a way to release this memory ?
Secondly, I think there's a bug in pix_image (and pix_multiimage also). It's suppose to use the data image in the cache if you reload the _exact_ same image, but it doesn't seem to work. That make my first problem even worst because each time you reload the same image, gem will put it another time in memory, so the memory will grow indefinitely. I did the test with pix_image and pix_multiimage and on 2 different computers (powerbook 667 with an ATI and a dual G4 1GHz with an nVidia). Each time I reload the same image, I can see the memory usage of pd growing. The only way to release the memory is to quit pd. It's not an acceptable solution for me because my installation is running all day long and at some point PD hang because there's no more memory and swap.
You could try it by using the help patch of pix_image and keep reloading the same image and watching the memory usage of pd in top.
Thank you for your help.
Etienne
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