Image importer speed up?

vaportrail's picture

Hi! I have a problem with the image importer patch. In my composition I have a basic directory scanner -> image downloader -> billboard chain+syphon client. In the folder there are several thousands of images, all max 1440x1080, medium to low jpeg settings. The goal is to show them smooth at 30fps and record it with syphon recorder at FullHD/30p.

However, the composition does not run steady at 30fps. Photos from my digital camera run at max. 20fps, whereas other images (screenshots, isight photos, etc) run at 30fps. Everything runs really fast, but the difference in speed between the different kind of images are really noticeable. Moreover, I sometimes get a "black frame" when loading the next image happens a little too slow, and that also shows up in the video recorded with syphon. In some cases there are even some glitch effects in the syhpon video or the recording breaks.

I have an 2011 MacBook Pro, running Snow Leopard with 8gb ram and a AMD Radeon HD 6750M Graphic with 1gb.

Is there a way to speed up the image importing process and balance everything? There is an option called "Maximum Cache size"in the image importer patch, but it only caches the past images. Quartz Crystal works fine, but it is necessary to run everything in realtime.

thanks for your help, Sebastian

Image Cache location

mattgolsen's picture

Can anyone point me to where the native Image Importer cache is located?