This can be easily checked with the blinking lights color of each port (generally orange for 100 Mbit/s and green for 1000 Mbit/s, but check your switch's manual for correct colors).Īlso is there a way to fix the bandwidth? Just make sure the network (NICs + switches + cables) is fully Gigabit Ethernet-capable.Īlso make sure the Gigabit switch detects connected NICs and cables as Gigabit Ethernet, and doesn't downgrade any link to 100 Mbit/s in case of a defective cable or NIC. No, no need for dedicated NICs or crossover cable. Didn't much more debugging then, but I guess it was a bandwidth issue.ĭo I need to perhaps have dedicated PCIE gigabit nics and crossover between them? I had a similar issue three weeks ago during a live show, sending 2x NDI streams from vMix Desktop Capture to one OBS. Juddery at times, then its super smooth for a few seconds then it stutters and I can see the bandwidth vary (I'm assuming depending on scene complexity).
#OBS STUDIO FPS DROP PC#
Does the OBS logs show messages like "added x ms of audio can also reproduce this bug with my 2 pc setupĬan you also reproduce the workaround discovered by is amazing, its just not smooth. Maybe an issue with video or audio frame timestamps. Not sure if its a frame buffer + ndi encode performance issue but the moment its display capture its almost perfect. It applies to the NDI receiver in OBS, so the destination GPU is moment I use Display Capture its day and night difference better. What does the hardware acceleration actually do, use the source or destination GPU? Speaking of switches, make sure the Ethernet switch linking the two computers is a Gigabit Ethernet switch, and that the two computers show a Gigabit link (seen either in Windows or on the switch's status LEDs) Using a crossover cable between the two computers isn't of much help here, except if you want to reuse the switch for something else. I can link you to the VOD if you want to see for yourself.ĭo I need to perhaps have dedicated PCIE gigabit nics and crossover between them? Also is there a way to fix the bandwidth? What does the hardware acceleration actually do, use the source or destination GPU? Sorry for the ton of questions.ĭo I need to perhaps have dedicated PCIE gigabit nics and crossover between them? Also is there a way to fix the bandwidth?ĭedicated GigE NICs are necessary only with more than two NDI streams in one direction. I'm running OBS 20.0.1 with the latest NDI distribution from here.
The bandwidth between the two PC's range from 30mbit idle to 160-180mbit during gameplay.
#OBS STUDIO FPS DROP 1080P#
Source OBS is 1440p canvas, downscaled to 1080p (bicubic) and sent to PC2 with 1080p canvas encoding for Twitch. Connectivity is Gigabit on the same switch (Both PC's using onboard Intel nics). My issue is trying to use a two-pc streaming.
Thank you in advance for all the hard work put into this. First and foremost, the development speed on this is pretty awesome.
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