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Per-Participant NDI ISO Controller for Microsoft Teams. Receives Teams NDI streams, normalizes framerate/resolution, and re-emits clean ISO outputs for live production switchers (vMix, OBS, Ross). Wild Dragon LLC.
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fix: review findings on the polish + active-speaker batch 
Two real concerns from the code review on ab07297..b266623:

1. ActiveSpeaker removal poisoned the rename-window heuristic. ParticipantTracker.HandleRemoved appends to _recentlyRemoved keyed by MachineName alone; the next Participant Add on the same machine consulted that list with no kind discrimination, so an active-speaker disappearance immediately followed by a participant joining (very common: Teams renames its outputs as participants enter/leave) would cause the new participant to inherit the auto-mix's deterministic v5 GUID. New HandleAutoMixRemoved deliberately skips _recentlyRemoved — the auto-mix row's identity is already stable via the deterministic Id, so re-add restores it without the rename window.

2. IsoPipeline.State writes were not synchronized. Supervisor loop sets State on its own thread; UI thread reads from GetStats. Without volatility, the JIT could cache the field in a register and the UI would stay stuck on Receiving even after Error. Backing field is now an int read/written via Volatile.Read/Volatile.Write, matching the pattern already used for _liveReceiver / _liveSender / _liveProcessor.

Tests: 79/79 (was 78) — added ParticipantTrackerTests.ActiveSpeakerRemove_DoesNotPoisonRenameWindowForLaterParticipant which would have caught (1).
2026-05-09 09:34:16 -04:00
.forgejo/workflows ci(forgejo): release workflow on tag push -> MSI artifact + release asset 2026-05-08 00:48:57 -04:00
docs feat(ui): toast feedback for settings actions; refresh _NEXT.md 2026-05-09 09:30:04 -04:00
installer feat: app icon, FPS, drops counter, --version, About dialog, Stop Teams toggle 2026-05-08 13:50:19 -04:00
src fix: review findings on the polish + active-speaker batch 2026-05-09 09:34:16 -04:00
.editorconfig chore: scaffold repo conventions and global build props 2026-05-07 15:07:53 +00:00
.gitignore chore: scaffold repo conventions and global build props 2026-05-07 15:07:53 +00:00
coverlet.runsettings ci: enforce 80% line coverage gate on TeamsISO.Engine 2026-05-07 15:16:11 +00:00
Directory.Build.props chore: scaffold repo conventions and global build props 2026-05-07 15:07:53 +00:00
README.md chore: scaffold repo conventions and global build props 2026-05-07 15:07:53 +00:00
TeamsISO.Linux.slnf feat(console): add TeamsISO.Console headless smoke runner 2026-05-07 15:37:44 +00:00
TeamsISO.sln fix(build): use forward-slash paths in TeamsISO.sln so Windows .slnf resolves 2026-05-07 15:14:42 -04:00
TeamsISO.Windows.slnf feat(ui): wire DI bootstrap in App.xaml.cs and add Windows solution filter 2026-05-07 15:41:58 +00:00

README.md

TeamsISO

Per-Participant NDI ISO Controller for Microsoft Teams.

TeamsISO sits between Microsoft Teams' raw NDI broadcast output and a live-production environment. It receives each participant's NDI stream, normalizes framerate and resolution per a configured target, and re-emits clean, individually-addressable NDI sources for ingestion into a switcher (vMix, OBS, Ross, hardware capture).

Status

Pre-1.0. See docs/superpowers/specs/ for the active spec and docs/superpowers/plans/ for in-flight implementation plans.

Build

Requires .NET 8 SDK.

dotnet build
dotnet test

License

Proprietary, © Wild Dragon LLC 2026.