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120fps streaming is a thing!
posted in Off Topic
1
#1
0 Frags +

Just wanted to let people know who might not be aware, but if you set your framerate in OBS to 120fps while streaming twitch will actually play 120fps video on the 'source' quality. *note it will say 60 fps in the twitch menu, but if you check the stats of the stream it will show 120 fps*.

If you're using NVENC i'd recommend dropping to 720p unless you're using an RTX card as they handle NVENC much better.

Hopefully we can see some speed bumped streams!

Just wanted to let people know who might not be aware, but if you set your framerate in OBS to 120fps while streaming twitch will actually play 120fps video on the 'source' quality. *note it will say 60 fps in the twitch menu, but if you check the stats of the stream it will show 120 fps*.

If you're using NVENC i'd recommend dropping to 720p unless you're using an RTX card as they handle NVENC much better.

Hopefully we can see some speed bumped streams!
2
#2
4 Frags +

IIRC most browsers are framerate limited to 60 and have VSync turned on so you're pretty much encoding for a minuscule minority of users (those who disabled the framerate limit and vsync or those who use a media player to watch streams), moreover, you're fucking over the few that have to rely on software decoding.
Besides that, you're cramming twice the data into the same bitrate limit, making the image quality much worse.
The additional processing will most likely cause intermittent frame drops.
120fps is genuinely barely noticeable compared to 60fps.
Try it out, but there's absolutely no reason to keep it.
Sorry for buzzkill

IIRC most browsers are framerate limited to 60 and have VSync turned on so you're pretty much encoding for a minuscule minority of users (those who disabled the framerate limit and vsync or those who use a media player to watch streams), moreover, you're fucking over the few that have to rely on software decoding.
Besides that, you're cramming twice the data into the same bitrate limit, making the image quality much worse.
The additional processing will most likely cause intermittent frame drops.
120fps is genuinely barely noticeable compared to 60fps.
Try it out, but there's absolutely no reason to keep it.
Sorry for buzzkill
3
#3
2 Frags +

I tried it out, it still honestly looks pretty good. I'll probably drop to 720p so the bitrate can keep up a bit better.

https://www.twitch.tv/videos/642752194?t=00h16m27s

forgive the awful gameplay i'm so washed up that the average pubber will clap me.

That said, I find 120fps to be superior when watching something fast paced like tf2. As long as you have the hardware drops really aren't much of an issue. I was pretty stable at 1080p@120fps with drops only occuring with alt+tab's and large 32man esque pub team fights. For 6s i suspect that wouldn't be an issue at all. But yeah, that bitrate is an issue.

I tried it out, it still honestly looks pretty good. I'll probably drop to 720p so the bitrate can keep up a bit better.

https://www.twitch.tv/videos/642752194?t=00h16m27s

forgive the awful gameplay i'm so washed up that the average pubber will clap me.

That said, I find 120fps to be superior when watching something fast paced like tf2. As long as you have the hardware drops really aren't much of an issue. I was pretty stable at 1080p@120fps with drops only occuring with alt+tab's and large 32man esque pub team fights. For 6s i suspect that wouldn't be an issue at all. But yeah, that bitrate is an issue.
4
#4
0 Frags +

this is decadence

this is decadence
5
#5
16 Frags +
twiikuuBesides that, you're cramming twice the data into the same bitrate limit, making the image quality much worse.

The number of tf2 players that stream 60 fps w/ sub 3k bitrate is way too high.... its just like 8 pixels the entire time

[quote=twiikuu]Besides that, you're cramming twice the data into the same bitrate limit, making the image quality much worse.[/quote]

The number of tf2 players that stream 60 fps w/ sub 3k bitrate is way too high.... its just like 8 pixels the entire time
6
#6
Fireside Casts
0 Frags +

I streamed in 120fps 1080p for a while, and while my pc could handle it pretty easily, I switched back to 60fps 1080p because mobile viewers couldn’t view anything and the frame drops in the actual stream (again, without packet loss or frame drops in my game) made the viewing experience not worthwhile. Feel free to try it, but don’t be surprised when it doesn’t change much in your actual stream. Much better time is spent creating better production quality in things like your graphics :)

I streamed in 120fps 1080p for a while, and while my pc could handle it pretty easily, I switched back to 60fps 1080p because mobile viewers couldn’t view anything and the frame drops in the actual stream (again, without packet loss or frame drops in my game) made the viewing experience not worthwhile. Feel free to try it, but don’t be surprised when it doesn’t change much in your actual stream. Much better time is spent creating better production quality in things like your graphics :)
7
#7
2 Frags +

Just did some further testing, looks better at 720p for sure. Seems to be only truly 120fps at full screen with google chrome (at least on my setup). Given how nice it looks though i'd love to see twitch up the bitrate and add official support for faster frame rates. See the below clip for an example of tf2@ 720p/120fps. You can see at the end of the clip the bitrate fluctuates and the visuals get very boxy. I think 720p@60fps 6k bitrate is probably still the most optimal settings for tf2 in particular.

https://www.twitch.tv/videos/643404374

Just did some further testing, looks better at 720p for sure. Seems to be only truly 120fps at full screen with google chrome (at least on my setup). Given how nice it looks though i'd love to see twitch up the bitrate and add official support for faster frame rates. See the below clip for an example of tf2@ 720p/120fps. You can see at the end of the clip the bitrate fluctuates and the visuals get very boxy. I think 720p@60fps 6k bitrate is probably still the most optimal settings for tf2 in particular.


https://www.twitch.tv/videos/643404374
8
#8
2 Frags +

iirc the most used video settings for top streamers is 1600x900 at 60fps and 6k bitrate. The thinking is that unless someone pops out the chat and fullscreens the stream, which is incredibly rare, running 1080p is just a waste of bandwidth.

That being said 720p may be better for a faster game like tf2, but ymmv

Also twitch increasing the bitrate limit for non-partners is extremely unlikely in the near future, and support for higher FPS is also unlikely for all the reasons twiikuu gave as well as the lack of devices that support higher refresh rates

iirc the most used video settings for top streamers is 1600x900 at 60fps and 6k bitrate. The thinking is that unless someone pops out the chat and fullscreens the stream, which is incredibly rare, running 1080p is just a waste of bandwidth.

That being said 720p may be better for a faster game like tf2, but ymmv

Also twitch increasing the bitrate limit for non-partners is extremely unlikely in the near future, and support for higher FPS is also unlikely for all the reasons twiikuu gave as well as the lack of devices that support higher refresh rates
9
#9
0 Frags +

120fps stream looks awesome on games that don't have a lot of shit going on

streaming q3 with super low settings on 120fps looks amazing imo
https://www.twitch.tv/chrononaut/clip/EvilObeseBisonWTRuck

i don't agree if you can't tell the difference however, it's also not really worth it.
but on classic games it looks sick!

120fps stream looks awesome on games that don't have a lot of shit going on

streaming q3 with super low settings on 120fps looks amazing imo
https://www.twitch.tv/chrononaut/clip/EvilObeseBisonWTRuck

i don't agree if you can't tell the difference however, it's also not really worth it.
but on classic games it looks sick!
10
#10
1 Frags +

Higher fps broadcasts are a really neat idea and one of the reasons during CSGO majors why I choose to have the GOTV on one monitor and the broadcast on another. It also seems like a super neat way to try and innovate something like a VR esports viewing experience. However, due to the current limitations on bitrate, lack of support with most browsers, and the pretty niche viewer market/lack of demand I can see why it's just not a viable option at the moment, especially with the increased bandwidth/network overhead required to have something that looks just as presentable as 1080p60 max bitrate.

I really hope in the future innovations can be made to make 120fps more accessible (i.e. higher bitrate caps, changes to player to make it work outside of chrome?) because it's a really neat concept especially for FPS games broadcasts like CS, VLR, TF2, etc..

Higher fps broadcasts are a really neat idea and one of the reasons during CSGO majors why I choose to have the GOTV on one monitor and the broadcast on another. It also seems like a super neat way to try and innovate something like a VR esports viewing experience. However, due to the current limitations on bitrate, lack of support with most browsers, and the pretty niche viewer market/lack of demand I can see why it's just not a viable option at the moment, especially with the increased bandwidth/network overhead required to have something that looks just as presentable as 1080p60 max bitrate.

I really hope in the future innovations can be made to make 120fps more accessible (i.e. higher bitrate caps, changes to player to make it work outside of chrome?) because it's a really neat concept especially for FPS games broadcasts like CS, VLR, TF2, etc..
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