Mac book Pro big cpu issues running obs

iamvcrx

New Member
Hi,

I'm trying to stream on a MB pro 15'' mid 2015 :

MacOS version : Catalina 10.15.6
processor : 2,2 GHz Intel Core i7 quadcore
Ram : 16 Go 1600 MHz DDR3
GPU : Intel Iris Pro 1536 Mo

I tried every settings from youtube videos to try optimizing OBS performances, but with only my webcam on one scene I hit 10-15% of my CPU.
When I add iShowU audio capture to capture my desktop audio, it goes 20-25%.
Then, if I add a desktop video capture it hits around 50%.
Finally, with a WebM format overlay (without alpha channel) it hits 65-70%. I even tried to put an overlay from streamelements with a browser source but it hits 80-90%...

I will link my settings, as well as screenshots of CPU usages and log file, hope someone can help me...

I don't understand because on the internet it seems that people manage to stream with similar configs.
 

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