Yes, I read the pinned post. Nothing stood out to me as an obvious cause, though I am admittedly not an expert and I may have missed something.
Log file: https://obsproject.com/logs/pSdjTypucevj-pTj
StarTech PEXHDCAP PCI-E Capture Card (supports up to 1080i30p)
Hello guys, i have MSI 1080Ti GamingX, i7 4790k, 16 gb ram ddr3 2200 mhz.
When i'm streaming GTA V i have ~60 fps in game (vsync on), but on my stream i have ~50 unstable FPS, the picture is not smooth, unlike my game, it twitches and slightly slows down. Dropped frames always 0