Browse to the WikiDev wireless adapter query page.But first, you should try my 20mb/s test. And the other options would be to try x264 instead, or OBS Classic. I thought I made a feature request post to re-enable custom buffer size for NVEnc in OBS Studio, but if I did I can't find it. I previously noted the NVENC / OBS Studio limitation here: In that thread, said to use low latency mode. I suspect this is the problem you're running in to, you need to change the buffer size in NVEnc to be smaller but OBS Studio doesn't let you except with x264. The bitrate was always set to 3000kb/s, but changing the buffer size made the difference. So I changed the buffer to 2000kb and the problems went away. A few years ago, i only had 5000kb/s upload and I saw bad pings occasionally when I streamed at 3000kb/s with a 3000kb buffer. The default is to have the buffer size equal to the bitrate. Larger buffer means the bitrate can change more to accommodate changing video complexity. Smaller buffer means closer adherence to the nominal bitrate.
As I recall though, it is possible in OBS Classic. Whether its because of spikes in the bitrate or not, I don't know.Īnother problem is that when doing NVEnc, you're not allowed, in OBS Studio, to change the buffer size. My theory is your problems are the result of the bits backing up in the output queue because your ISP is barely able to handle it. If not, then it will be interesting to see if the video quality is improved.ĬBR is never perfectly constant. 5% drops at 20Mb/s then I know we're barking down the wrong tree. Its a troubleshooting step, not a proposal for a permanent change. I changed the Quality options like you mentioned, why no 2-pass encoding and why not preset at Bluray? I got the best quality out of Bluray preset a few month ago when everything was still working. That what's causing the buffer at least that what I'm thinking cause it is reproduceable. Only at the start when the connection is "buffering" it builds up slowly, few 100ms to reach 39,8Mbit. I had constant 39,8mbit upload for hours. I also tested my upload speed with 1 connection to some ftp servers. The connection to the youtube ingest server is fine, constant 20ms even when uploading with 36mbit/s The bitrate stays at 20k and when I start opening windows, closing them the bitrate goes up to 36k and stays there stable as long as I'm popping and closing windows.īut when I stream like a normal person with constant movement the bitrate drops, goes up, drops, goes up. The problem is that OBS/NVENC won't stream at a constant bitrate.
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