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NDI Outputs stuttering
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rjwerth  
#1 Posted : Thursday, December 23, 2021 7:15:14 AM(UTC)
rjwerth

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I cannot get a smooth NDI stream out of VMix. Trying to output 1080p59.94 via any of the outputs. Constant skipping and stuttering. Testing using a Unifi switch between my vmix workstation and a laptop running Studio Monitor and/or a BirdDog Flex 4k Out.

If I run NDI screen capture on the Vmix workstation and send the Fullscreen monitor output while still running Vmix, I get no stuttering from the Screen Capture stream. So it isn't the computer or the network or anything outside of Vmix.

Please advise.
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fluozh  
#2 Posted : Thursday, December 23, 2021 12:41:02 PM(UTC)
fluozh

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Did you try :
Disable QoS
Set Flow Control enabled
Disable Energy effecient ethernet and low-energy settingss
Set fixed bandwidth(1Gbps or 10Gbps, maybe 2.5G or 5G)
Set network "Private"

btw NDI Screen Capture send frame only when screen has motion/moving.(Sorry my English isnt good enough)
So I never got Screen Capture smooth. vMix <-> vMix is very stable though.

I have BirdDog's FLEX4KBP, Studio, and Magewell HDMI Plus with NETGEAR's M4250 switch so let me know if you want to test something!
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Ryzen6667  
#3 Posted : Monday, February 28, 2022 2:29:19 AM(UTC)
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Unfortunately there are 1000000 tiny optimizations to be done on a system from network nic to bios.
But since you get it working pretty decently outside of vmix i suggest you manually update the NDI version in vmix.

This has resolved lots of issues for me on some systems.

https://www.vmix.com/kno...version-in-vmix-manually
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melody  
#4 Posted : Tuesday, April 5, 2022 7:58:01 PM(UTC)
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i had a similar problem before, 100mbit network isn't enough to deal with NDI... make sure if your network is 1Gbit
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