YUV 4:4:4 lag/input lag/frame drops on FPS up leap #3507
Comments
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It's related to #3419, but frame rate goes down related to FPS rendering on server pc. This issie is about laggy work of Sunshine on server FPS going UP from low fps to high and only on YUV 4:4:4 (as it on 4:2:0 works realy good), and some times it gets drop frames on this leaps on YUV 4:4:4. Or i need to post information about this behavior as comment on #3419? |
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Is there an existing issue for this?
Is your issue described in the documentation?
Is your issue present in the latest beta/pre-release?
This issue is present in the latest pre-release
Describe the Bug
Using yuv 4:4:4 1920x1200/2560x1440 144fps windows 10 and 11, wired 1gb connection, when still on desktop it goes down to 7-9 fps, when you drag mouse fps jumps up to 144 fps with noticable slow movement on start of motion. If game provide consistant FPS - all is smooth as expected, On 144fps is buttery smooth.
Expected Behavior
More or less consistant feeling, tried out all same settings and moves in yuv 4:2:0 harware, and there is no such wierd behavior,
Additional Context
YUV 4:4:4 encription and decription is hardware
I've used bitrate 30mb and 500mb, on 500mb it get some time frame drops by network connection 25%+ and more. First noticed when work in blender (still image drop FPS to 7 and on move get back to 144), then found it on WorldOfTanks (on menu fps capped on 60, but when you move mouse, it renders it on 144 fps) and GenshinImpact (game cap 60fps, when use cursor it gets 144), this bug behavior feels like engaged brake on start movement.
Easy way to feel - get windows desktop, wait it still until fps drops to lowest and some seconds after, then move mouse in circles, start feels wierd.
Used Sunshine machines with 2070super win 10, 3070 win 11
moonlight client with 1650, 2070super and 3070, win 10 and 11
Sunshine machines were used with hardware monitor capable 144hz and software monitor emulation with 144hz
Moonlight machines were used with one with hardware monitor capable 144, and two other machines were capable only 60hz out (on this machines i've used 144hz stream and 60hz out, this provide better input output latency)
Described behavior exists In all cases.
Host Operating System
Windows
Operating System Version
Windows 10 22H2
Architecture
amd64/x86_64
Sunshine commit or version
v2025.102.32311
Package
Windows - installer (recommended)
GPU Type
NVIDIA
GPU Model
NVIDIA geforce RTX 2070 super
GPU Driver/Mesa Version
566.14
Capture Method
Desktop Duplication API (Windows)
Config
address_family = both encoder = nvenc resolutions = [ 352x240, 480x360, 858x480, 1280x720, 1920x1080, 2560x1080, 3440x1440, 1920x1200, 3840x2160, 3840x1600, 2560x1440 ] fps = [10,30,60,90,120,144] min_fps_factor = 0 notify_pre_releases = enabledApps
Relevant log output
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