I encountered a problem when adding 3 SDI cameras through the Decklink Duo 2 to Vmix. Strangely, when each camera is added, the CPU starts to heavily stutter. After the first camera, it's at 5%, after the second, it's at 50%, and after the third, it jumps to 100%. Interestingly, when performing similar actions in OBS, the CPU load is only at 3%, and all cameras work simultaneously without issues. The problem is likely in the settings, and high-performance mode is enabled in Vmix. All drivers are up to date, and connections are correct.