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Triventular

obs ndi

14 minutes ago, Triventular said:

So it still impacts my cpu huh.. hmm im having a problem with my cpu on some games maxing it out while streaming while even using nvenc.

yeah you don't have much breathing room on a 4-thread system ._. most gaming-only recommendations of the past recommend an i5 (before the streaming/ryzen era), so options are kinda limited if you're coming from that.

 

do test the setup for yourself though, to see if it's just enough to not slow down your entire system. (small bonus would be you could just turn to your laptop to deal with chats and whatnot without needing to alt-tab on the desktop)

Quote

okay so i can set it up to get all the audio from the desktop obs and stream it to the laptop? that's what was worrying me mostly. again thanks 

yes that should pretty much be it. after installing the NDI plugin on both ends, run OBS and find Tools > NDI Output Settings > enable NDI output. then on your laptop make a new NDI source in the sources column

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Posted · Original PosterOP

So I stream sometimes on an old i5 3570 and gtx 970 (nvenc) and sometimes when there is too much going on screen, the quality just drops so much that sometimes im not sure what my viewers are watching. I have a laptop with an old i7 2630qm. I was planning on setting it up as a streaming machine so my main system doesn't push itself by gaming and streaming also to switch to software encoding since that's all i plan to do with the laptop.

 

1. My question is how does obs ndi work?

2. Does it just send my video capture on obs on my main system?

3. How is the audio set up when using the ndi plugin on my laptop? like does it get all my audio sources (captures, mic, and some programs- like discord and streamlabs chatbot)?

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1 hour ago, Triventular said:

1. My question is how does obs ndi work?

2. Does it just send my video capture on obs on my main system?

3. How is the audio set up when using the ndi plugin on my laptop? like does it get all my audio sources (captures, mic, and some programs- like discord and streamlabs chatbot)?

  1. it pulls a display source and sends it over to an NDI-enabled receiver via LAN. (OBS can do this bidirectionally via a plugin. Premiere Pro has an NDI plugin as well)
  2. it will send whatever's displaying on OBS at the moment.
    • If you want to skip OBS completely, use Scan Converter in the standalone NDI Tools to send any selected display over.
      Do note it can't render your mouse pointer (there's the option in Scan Converter, but what it really does is turn on mouse trails -_-), so if you need it you'd need to send an OBS stream.
    • you don't have to be actively streaming OBS to twitch/etc to send an NDI output. just enable it in the settings and it'll start working on it
  3. it'll receive whatever's being played over the NDI stream, so if you want things like your face and your mic etc you should use OBS on the desktop to assemble before sending it via NDI

that being said NDI taxes your CPU because it involves sending lightly compressed streams over LAN, so try this out and see if it's offloading enough to make this worth your while

 

also: use an ethernet cable between your desktop and your laptop. you'll probably need one more from your laptop to your router, so you might want to look into getting a USB 3 gigabit ethernet adapter for the last one

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Posted · Original PosterOP

@VegetableStu thanks for the informative answer. I was planning on using . So it still impacts my cpu huh.. hmm im having a problem with my cpu on some games maxing it out while streaming while even using nvenc. okay so i can set it up to get all the audio from the desktop obs and stream it to the laptop? that's what was worrying me mostly. again thanks 

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Posted · Best Answer
14 minutes ago, Triventular said:

So it still impacts my cpu huh.. hmm im having a problem with my cpu on some games maxing it out while streaming while even using nvenc.

yeah you don't have much breathing room on a 4-thread system ._. most gaming-only recommendations of the past recommend an i5 (before the streaming/ryzen era), so options are kinda limited if you're coming from that.

 

do test the setup for yourself though, to see if it's just enough to not slow down your entire system. (small bonus would be you could just turn to your laptop to deal with chats and whatnot without needing to alt-tab on the desktop)

Quote

okay so i can set it up to get all the audio from the desktop obs and stream it to the laptop? that's what was worrying me mostly. again thanks 

yes that should pretty much be it. after installing the NDI plugin on both ends, run OBS and find Tools > NDI Output Settings > enable NDI output. then on your laptop make a new NDI source in the sources column

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