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NitLink 1.1.1 rc2

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@nitlink-dev nitlink-dev released this 06 Sep 19:17
· 0 commits to main since this release
v1.1.1-rc2
f411529

NitLink 1.1.1

Maintenance release: the USB audio stutter fix promised in 1.1.0, an aspect-ratio option, and a clear answer when Windows blocks the card's audio.

Fixed

  • Audio stutter on USB cards. The audio router now runs event-driven on both WASAPI endpoints and keeps a small buffer between the capture card's clock and the playback device's clock, steering it with single-frame corrections that are inaudible. The previous pump polled on a timer, discarded the tail of any capture packet that did not fit the render buffer, and had no drift handling, which surfaced as periodic stutter, most audibly on the 4K S. Routing health (buffer fill, underruns, overruns, corrections) is logged every five seconds for diagnosis.

  • Silent NitLink when Windows blocks microphone access. The Windows Microphone privacy switch also blocks capture-card audio for desktop apps and reports it as a plain access denial. NitLink now names the switch in an on-screen notice instead of staying quiet.

New

  • The F1 panel is now a sidebar. It opens as a translucent strip on the right and the picture keeps playing beside it, so a setting can be changed while watching the result. The Position row on the Video tab cycles Right, Left, and Full, the previous whole-window panel; panel_side and panel_width in nitlink.json store the choice. While a panel is open the desktop compositor handles the window (about one frame of extra latency, VRR paused), which is why the earlier panel covered the picture; closing it restores the direct path. The Ctrl+F3 HUD is redrawn in the same style: title band, plain-ink metrics that only take color when something degrades, amber sparklines, and the pipeline badges in the footer.

  • Aspect ratio option. Alt+A, the F1 panel, or aspect_ratio in nitlink.json. Auto shows the source at the ratio the card reports; 4:3, 16:9, 16:10, 21:9, or any custom W:H squeezes or letterboxes the picture, which restores 4:3 consoles that a card delivers stretched inside a 16:9 frame; Stretch fills the window. Requested in #4.

Known issues

  • The stutter fix is verified by counters on a 4K Pro and awaits confirmation on a 4K S. If you own a 4K S, the five-second [NitLink/Audio] stats lines in DebugView are the thing to report: underrun and overrun should stay at 0 and the slip counts should stay small.

Install

  1. Download NitLink-1.1.1-win64.zip below.
  2. Extract anywhere.
  3. Double-click NitLink.exe. Windows SmartScreen may warn (the binary is not yet code-signed); click "More info" then "Run anyway".

Requirements: Windows 10 (1809+) or Windows 11, a DirectX 11 capable GPU, the Microsoft Edge WebView2 runtime, the VC++ 2015-2022 redistributable, and an Elgato 4K Pro, 4K S, or 4K X.

Attribution

Full third-party licenses in LICENSES.md. External research, protocol references, and code contributors in ACKNOWLEDGMENTS.md.

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