[Solved] Video don't plays smoothly, while Isadora shows more then 50FPS.
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Hmmm, I have definatley seen not so great performance but I dont know if I noticed the same things as you have seen. What are you using to convert your files?
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I would look at your backround services, perhaps you have some utility that is interrupting to manage some aspect of your system. Even a virus scanner may cause intermittent interrupts. Also, be sure you are playing at a framerate that matches your hardware.
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Guys, I think I found the culprit.
Videofiles supposed to be native ProResLT 1280 x 720 files, were 12.. x 7.. real size (some fancy resolution,I don't remember replaced files) and 1280 x 720 display size. I don't know how I managed to do such things when I exported my medias (shame on me).So it seems that when movies aren't the same resolution as Isadora's default, rendering is much less efficient (AVFoundation).
Now, it's almost perfect !Thanks all for your answers and advices.
Best
Philippe
