framerate

So I posted this last night, but now I’ve noticed it’s gotten worse; multiple old videos of mine seem to be having awful framerate issues for some reason. I uploaded them all at 720p with crisp, 30 fps game footage, but now they’re stuttering at random, down to 10 FPS at extended...

Hello guys! I've been making let's plays for a while now and I think that a facecam would add a lot to my videos. I didn't try it yet, but I think that it might be a problem. My camcorder records in 25 fps while I record game footage in 60 fps. Is it possible to use those both sources and still...