Question / Help very bad stream quality.

MootiF

New Member
hi, i need some advice, i don't know anymore, i tried all sorts of settings but the stream still looks bad, a lot of pixels, internet 1Gb / 1Gb intel i7 8700 processor, GPU GTX 1080Ti, attach my log, thanks for the help. here I attach a stream record https://www.twitch.tv/videos/500779893
 

Attachments

  • 2019-10-28 17-04-47.txt
    10 KB · Views: 3

Narcogen

Active Member
No output session in the log. For a log to be useful for troubleshooting purposes, it needs to contain a complete output session (started and stopped, with the issue observed in the interim.

17:04:48.555: YUV mode: 709/Full

This should be 709/Partial and not 709/Full. This setting will degrade quality for most users (washed out color).

https://obsproject.com/forum/resour...t-color-range-settings-guide-test-charts.442/

That said depending on your content with a 1080 you may be well served by choosing between 720p60 and 1080p30. 1080p60 on a single PC setup is challenging, depending on the content.
 

MootiF

New Member
oh, sorry, this log should be fine, yes i would like to stream 720p 60 fps, or 1600x900p 60 fps if possible.
 

Attachments

  • 2019-10-28 14-15-47.txt
    188.7 KB · Views: 6

Narcogen

Active Member
16:29:55.503: Output 'adv_stream': Number of lagged frames due to rendering lag/stalls: 27 (0.0%)
16:29:55.503: Video stopped, number of skipped frames due to encoding lag: 27/220495 (0.0%)


No rendering or encoding lag.

15:28:38.981: rate_control: CBR
15:28:38.981: bitrate: 3500
15:28:38.981: cqp: 20
15:28:38.981: keyint: 120
15:28:38.981: preset: hq
15:28:38.981: profile: main
15:28:38.981: width: 1280
15:28:38.981: height: 720
15:28:38.981: 2-pass: false
15:28:38.981: b-frames: 2
15:28:38.981: lookahead: false
15:28:38.981: psycho_aq: true



3500 is a bit low for 720p60 using NVENC. If you can increase to 4500 or the usual max for non-partnered Twitch, 6000, you should see an improvement.

That and change the color setting to 709/Partial.
 

MootiF

New Member
wow, thank you very much stream is better now, and i want to ask if it is better screen capture, window capture or game capture? and possibly what would be the best OBS setup for my PC, thank you.
 

TryHD

Member
3500 is a bit low for 720p60 using NVENC. If you can increase to 4500 or the usual max for non-partnered Twitch, 6000, you should see an improvement.
the usual max is 8200 for twitch so setting it to 8000 is good, 6000 is just the recommend because there were some big companies which streamed with vbv based encodes instead of cbr, so they have some room to work with.
 

Narcogen

Active Member
wow, thank you very much stream is better now, and i want to ask if it is better screen capture, window capture or game capture? and possibly what would be the best OBS setup for my PC, thank you.

Game capture is most performant.

Window capture will let you capture a particular window if game capture does not work.

Display capture is last resort.

Try the Auto-Configuration Wizard in the Tools menu for some basic questions and suggested settings.
 
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