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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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Details
build(winui3): keep SettingsDrawer host deferred + narrow the suspect 
Tried re-hosting SettingsDrawer with `Visibility="Collapsed"` (no
RenderTransform / Storyboard this time). Still crashes the XAML parser
at startup with the same HR 0x802b000a.

Narrows the suspect: the crash is inside SettingsDrawer.xaml's
InitializeComponent, not in MainWindow.xaml's hosting of it. Most
likely cause: `IsSelected="True"` on the first NavigationViewItem
fires `OnTabSelectionChanged` during the XAML parse, BEFORE the
SettingsDrawer code-behind has finished construction — the handler
then calls into TabContent which isn't ready, throwing in the parser
context.

Two fixes to try next session:

1. Drop `IsSelected="True"` from XAML and set it programmatically in
   the SettingsDrawer constructor AFTER InitializeComponent returns.
2. Verify the OnTabSelectionChanged signature for WinUI 3 1.8 —
   NavigationView's SelectionChanged is
   `TypedEventHandler<NavigationView, NavigationViewSelectionChangedEventArgs>`
   in 1.8 (might be different from the 1.6 SDK signature I wrote
   against).

For now, the MainWindow's OnSettingsClick is a no-op stub. The drawer
XAML is untouched and ready to re-host once one of the above is
applied.

This commit unblocks the running redesign: dotnet build + run produces
the 1280x780 redesigned shell with proper theming, no crash on
launch.
2026-05-13 00:48:03 -04:00
.forgejo/workflows ci: optional MSI + exe code-signing in release.yml 2026-05-10 09:41:28 -04:00
docs docs(work-log): final overnight summary — WinUI 3 host runs 2026-05-13 00:45:47 -04:00
installer feat: app icon, FPS, drops counter, --version, About dialog, Stop Teams toggle 2026-05-08 13:50:19 -04:00
src build(winui3): keep SettingsDrawer host deferred + narrow the suspect 2026-05-13 00:48:03 -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
build-and-test.ps1 chore: sweep orphaned files (UpdateChecker, UpdateBanner, TeamsControlBridge, helper scripts) 2026-05-10 09:42:29 -04:00
CHANGELOG.md docs: CHANGELOG + README cover the in-flight WinUI 3 redesign 2026-05-13 00:28:37 -04:00
commit-and-push.ps1 chore: sweep orphaned files (UpdateChecker, UpdateBanner, TeamsControlBridge, helper scripts) 2026-05-10 09:42:29 -04:00
coverlet.runsettings ci: enforce 80% line coverage gate on TeamsISO.Engine 2026-05-07 15:16:11 +00:00
DESIGN.md docs: PRODUCT.md + DESIGN.md (ground-up GUI redesign brief) 2026-05-12 23:45:04 -04:00
Directory.Build.props chore: scaffold repo conventions and global build props 2026-05-07 15:07:53 +00:00
PRODUCT.md docs: PRODUCT.md + DESIGN.md (ground-up GUI redesign brief) 2026-05-12 23:45:04 -04:00
README.md docs: CHANGELOG + README cover the in-flight WinUI 3 redesign 2026-05-13 00:28:37 -04:00
TeamsISO.Linux.slnf feat(console): add TeamsISO.Console headless smoke runner 2026-05-07 15:37:44 +00:00
TeamsISO.sln feat(winui3): scaffold TeamsISO.App.WinUI alongside the WPF host 2026-05-12 23:52:35 -04:00
TeamsISO.Windows.slnf feat(winui3): scaffold TeamsISO.App.WinUI alongside the WPF host 2026-05-12 23:52:35 -04:00

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 / resolution / aspect / audio per a configured target, and re-emits clean, individually-addressable NDI sources for ingestion into a switcher (vMix, OBS, Ross, hardware capture).

What it does

  • Discovers participants as Teams broadcasts each one over NDI, surfacing the operator-friendly display name (handles current "MS Teams - Name" format and the legacy "(Teams) Name" format).
  • Normalizes feeds to a consistent framerate, resolution, aspect mode, and audio routing — so the downstream switcher gets predictable inputs regardless of what each participant's webcam is doing.
  • Routes per-participant as separate NDI sources with a configurable output-name template (TEAMSISO_{name}, {guid}, {machine}, {timestamp} tokens).
  • Records each ISO to disk simultaneously — raw BGRA + sidecar manifest.json
    • ffmpeg convert.cmd — so post-production gets a clean per-guest archive.
  • Embeds Teams orchestration: launch and stop Teams from the rail, hide Teams' UI windows during a show, drive in-call controls (mute, camera, share, leave, raise hand) via UIAutomation.
  • Operator presets save the current per-participant ISO assignment and custom output names, applicable on next launch automatically.
  • Live preview thumbnails per participant in the participants table, plus pop-out floating preview windows (right-click → Open preview…) for multi-monitor monitoring.
  • External control surface — REST + WebSocket on 127.0.0.1:9755 and OSC on UDP 127.0.0.1:9000 for Bitfocus Companion / Stream Deck / TouchOSC integration. Self-contained HTML control panel at /ui for phone-as-controller.
  • Crash diagnostics wired to a rolling daily Serilog file sink under %LOCALAPPDATA%\TeamsISO\Logs\.
  • Update check against forge.wilddragon.net's release API — manual or silent on launch (throttled to 24h).
  • Diagnostic bundle export zips logs + config + presets for bug reports.

Status

Pre-1.0. The May 2026 batch is feature-complete; v1.0 cut is gated on code-signing the MSI and a smoke pass against a real Teams meeting. See CHANGELOG.md for the [Unreleased] entry.

A ground-up GUI redesign is in flight on main (see docs/superpowers/plans/2026-05-12-winui3-migration.md). The WPF host (src/TeamsISO.App/) remains the shipping build; a parallel WinUI 3 host (src/TeamsISO.App.WinUI/) is scaffolded with the redesigned MainWindow, theme system (dark + light), and secondary surfaces. Activation of the unpackaged WinUI 3 .exe is the current blocker — diagnostics in the migration plan's Phase 3.

Build

Requires .NET 8 SDK on Windows. The repo has two hosts:

  • src/TeamsISO.App — WPF, net8.0-windows, current shipping build
  • src/TeamsISO.App.WinUI — WinUI 3, net8.0-windows10.0.19041.0, in-flight

Both build together from the solution filter:

dotnet restore TeamsISO.Windows.slnf
dotnet build TeamsISO.Windows.slnf -c Release
dotnet test TeamsISO.Windows.slnf --filter "Category!=ndi&requires!=ndi"

The shipped helper scripts in the repo root automate this:

pwsh -File .\build-and-test.ps1
pwsh -File .\commit-and-push.ps1

Documentation

Keyboard shortcuts

Key Action
F1 Open help / cheat sheet
Ctrl + M Drop a timestamped marker into every active recording
Ctrl + Shift + S Stop every running ISO (emergency)
Ctrl + R Refresh NDI discovery (rebuild finder)

File locations

Path Contents
%APPDATA%\TeamsISO\config.json Engine settings (framerate, NDI groups, etc.)
%LOCALAPPDATA%\TeamsISO\presets.json Saved operator presets + auto-apply preference
%LOCALAPPDATA%\TeamsISO\Logs\ Rolling daily diagnostic logs
%LOCALAPPDATA%\TeamsISO\Notes\ Per-day show-notes markdown files
%USERPROFILE%\Videos\TeamsISO\<date>\ Default recording output
%APPDATA%\NDI\ndi-config.v1.json NDI Access Manager group routing

License

Proprietary, © Wild Dragon LLC 2026.