My PC is Intel i7 3.5GHz, 16GB, with onboard Intel HD 4000 video. My vMix config includes 10 IP cameras (RTSP). I'm broadcasting to Ustream at 1280x720, 2000bps.

With a single camera Live, I get 30fps and 2000bps in the Streaming (FMLE) status. With two cameras, I get 20fps and 1500bps. With ten, I get 12fps and 1200bps.

Any suggestions for improving fps when using more cameras? Xsplit gives me better fps; my guess is that Xsplit is handling the IP cameras in a different manner, so the impact to fps is lower.

Thanks!