Viewing topic OBS + NVENC - install help needed :(

OBS + NVENC - install help needed :(

Guppy Jun 17, 2017

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Inspired by an article on GOL about recording game audio and mic to separate streams I wanted to install OBS and since I've an nvidia card I wanted NVENC support.

The problem isn't that there is no information to be found - quite the opposite there are tons of guides *all* of them conflicting. ( you need this specific version nvidia sdk, you need yasm >= 1.3, you need this specific version cuda sdk, you don't need anything ffmpeg has all the headers already )

Normally I'd just spin up a vagrant instance and try them out but it seems you'd need to have the nvidia drivers installed - so that doesn't work.

Sorting through the various guides I ended up selecting one from a user comment on GOL simply on the merit of it having the fewest steps.

the "apt-get source" step failed but apparently your supposed to grab it from git anyway..

now the 'debuild' step fails with a TON of unmet build dependencies.

Searching a bit I find that 'mk-build-deps' will produce a ".deb" with the dependencies - which is really clever as you should then be able to remove all build dependencies once you no longer need them.

but..

> sudo dpkg -i ffmpeg-build-deps_3.2.5-1_amd64.deb
whine about unmet dependencies and
> sudo apt-get -f install
just remove the package :|

since the error from dpkg -i only show the first X packages I iterate though it untill I get;

E: Unable to locate package libopenmpt-dev

TLDR;
I give up - does any one have an idiot proof guide to get this running on Mint 18 ( ubuntu 16.04 ) ?

bonus points if it is compiled in a virtual environment or it's possible to clean up build dependencies after.

TYIA

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Xpander Jun 17, 2017

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isnt nvenc included in ffmpeg 3.2 by default?
On arch linux at least i just have ffmpeg installed and OBS and SSR both have nvenc listed in the configs.

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Guppy Jun 17, 2017

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Quoting: Xpanderisnt nvenc included in ffmpeg 3.2 by default?
On arch linux at least i just have ffmpeg installed and OBS and SSR both have nvenc listed in the configs.

Seems you are rigth.

16.04 only have 2.8 and the ppa from https://obsproject.com/download doesn't support xenial

But I did find this ppa ;

sudo add-apt-repository ppa:jonathonf/ffmpeg-3

And

ffmpeg -encoders | grep nvenc

 V..... h264_nvenc           NVIDIA NVENC H.264 encoder (codec h264)

 V..... nvenc                NVIDIA NVENC H.264 encoder (codec h264)

 V..... nvenc_h264           NVIDIA NVENC H.264 encoder (codec h264)

 V..... nvenc_hevc           NVIDIA NVENC hevc encoder (codec hevc)

 V..... hevc_nvenc           NVIDIA NVENC hevc encoder (codec hevc)

So the idiot proof ( or atleast guppy proof :P ) guide would be

sudo add-apt-repository ppa:jonathonf/ffmpeg-3

sudo add-apt-repository ppa:obsproject/obs-studio

sudo apt update

sudo apt install ffmpeg libav-tools x264 x265 obs-studio

Now to see if I can manage to configure it .

Thanks <3

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