NVENC HEVC H.265 Missing Encoder Options

[ButItRuns]

Ok, so 1. I'm super bright. Two weeks ago, OBS working flawlessly. Minor hiccups from time to time lead one of my viewers to suggest updating OBS beyond 30.0.0. I look into the patch notes and TOTALLY MISS the section where it says 'does not support 1060'. I update to 31.2, iirc, and everything breaks, obviously.

Ok, simple enough. Roll back to known good version: 30.0.0 I do this. I am now missing the NVENC HEVC H.265 encoder settings in the Stream and Recording tabs both. I was using this encoder previously, and have noticed just the tiniest bit more overhead using the H.264 encoder.

Hours upon hours of searching have provided no help (most h.265 posts seem to be Linux issues). I have updated one more version ahead, now to 30.0.1, with no solution in sight.

I would really, very much, like to get h.265 back functional. Everything else is functioning normally, it appears, except for this.

Any ideas?

 

[ButItRuns]

I just noticed in the log that AV1 is not supported..... But I swear it was in the list prior to the borken update. I had at least 5 different encoders available, with only two now available.....

Interesting. The chart I find says that the 1060 does not support AV1, but I remember seeing it in the list (I didn't use it, because h.265 was indicated for my use case).

The previous install was an in place upgrade from 28.xx something. I wonder if that had anything to do with it?

 

[ButItRuns]

Ok, so, after more searching, from a thought I had while writing the original post, I decided to check if Twitch actually supported h.265. From what I can tell, normal (non 'enhanced') does NOT support h.265. I now begin to wonder if I set the encoder for HEVC when I was primarily streaming to YT, then ignored the pop-up when moving to Twitch?

 

[PaiSand]

Support for AV1 comes from the RTX 4050 and up. Anything bellow this do not support it.

Video Encode and Decode GPU Support Matrix

Find the related video encoding and decoding support for all NVIDIA GPU products.

developer.nvidia.com

Also

Analyzer | OBS

OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, YouTube and many other providers or record your own videos with high quality H264 / AAC encoding.

obsproject.com

 

[sandrix]

Ok, so, after more searching, from a thought I had while writing the original post, I decided to check if Twitch actually supported h.265. From what I can tell, normal (non 'enhanced') does NOT support h.265. I now begin to wonder if I set the encoder for HEVC when I was primarily streaming to YT, then ignored the pop-up when moving to Twitch?

Your graphics card does not support and has never supported AV1. AV1 encoding is only available on graphics cards based on the Ada Lovelace and Blackwell architectures.

HEVC is available on Twitch, but only in closed beta for now. General access will be available by the end of 25. At the moment, you can only use HEVC for YouTube streaming and recording.

 

[sandrix]

You're better off using H.264, as HEVC on Pacal lacks b-frame support and is 25% less efficient than on more modern NVIDIA cards.

 

[koala]

You have a very old Windows version (1909), so OBS isn't able to query video driver information, so it isn't able to detect what encoders your GPU supports. Update Windows to the current version (22H2 for Windows 10, 24H2 for Windows 11), then update your video driver.

 

[ButItRuns]

You have a very old Windows version (1909), so OBS isn't able to query video driver information, so it isn't able to detect what encoders your GPU supports. Update Windows to the current version (22H2 for Windows 10, 24H2 for Windows 11), then update your video driver.

Not going to list the immense plethora of reasons THIS won't happen. Suffice it to say, not an option.

 

[ButItRuns]

But, it must be one of those cases of 'I did it so long ago' and 'wasn't paying enough attention' when OBS asked to change to h.264, when switching to Twitch streaming. When I was doing the YT, I was using h.265, I clearly remember that, but the change to Twitch was during a bit of a tumultuous period (still is), so I'm.... distracted, to say the least.