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Harshvardhan Vatsa 342504e12b fix(x): make meeting system-audio capture work on Linux (#722) 
Meeting transcription failed on Linux because the system-audio side of
the recorder was unreliable there. Two real problems, neither of which
was the one proposed in the issue:

- desktopCapturer.getSources() goes through the Wayland screencast
  portal, which can block on a system dialog or hang outright. Audio-only
  display-media requests (meeting transcription discards the video track)
  now answer with the requesting frame as the mandatory video source and
  Chromium's PulseAudio loopback for audio - no portal involved.

- Chromium captures loopback audio at the default sink's monitor-source
  volume. Desktop tools sometimes leave that volume near zero, which
  turns the capture into digital silence with no error anywhere. Before
  capture starts, ensureLinuxMonitorVolume() raises it back to 100%
  (raise-only, best-effort via pactl).

The issue's proposed fix - enumerating PipeWire/Pulse monitor sources
via enumerateDevices() and capturing with getUserMedia - is not viable:
Chromium filters monitor sources out of input-device enumeration on
Linux (audio_manager_pulse.cc), so they never appear. Verified against
Electron 39 / Chromium 142 that audio:'loopback' works on Linux through
the Pulse layer (PipeWire's pipewire-pulse or classic PulseAudio).

On Linux the loopback track mirrors the output device rather than the
meeting app, so "ended" never fires when the meeting closes; auto-stop
relies on the existing silence detector. Capture failures now surface a
toast pointing at PipeWire/PulseAudio instead of silently going idle.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-16 16:16:55 +05:30
..
.pnpm-store/v11 add talking mascot 2026-07-02 22:20:11 +05:30
apps fix(x): make meeting system-audio capture work on Linux (#722) 2026-07-16 16:16:55 +05:30
docs feat(apps): M3 UI — catalog, D18 install dialog, publish dialog, detail actions 2026-07-06 15:34:54 +05:30
packages feat(x): stamp platform=desktop on all analytics events 2026-07-15 07:50:39 +05:30
.gitignore feat(x): reference-based model requests + wire-form composer 2026-07-02 14:20:44 +05:30
ANALYTICS.md feat(x): stamp platform=desktop on all analytics events 2026-07-15 07:50:39 +05:30
CODE_MODE_ENGINES_PLAN.md Code mode: make packaged builds work via managed engine provisioning (#625) 2026-06-17 21:53:15 +05:30
demo.gif add gif 2026-07-10 10:04:37 +05:30
eslint.config.mts ignore renderer eslint 2026-01-16 12:05:33 +05:30
GRANOLA_PARITY.md feat(x): resident app — launch at login + menu bar tray (Granola parity phase 1) 2026-07-13 21:02:20 +05:30
LIVE_NOTE.md docs(x): design docs and prompt catalogs follow the runtime/ move 2026-07-10 16:30:26 +05:30
MINI_APPS_PLAN.md feat(mini-apps): copilot builder — build-mini-app skill + install/data tools 2026-07-01 01:25:45 +05:30
package.json ci(x): typecheck test files — the gap vitest and the build tsconfigs both miss 2026-07-10 16:30:26 +05:30
pnpm-lock.yaml chore(x): migrate to AI SDK 7 2026-07-13 16:22:36 +05:30
pnpm-workspace.yaml build(x): graft vscode-jsonrpc onto langium via packageExtensions 2026-07-07 02:45:09 +05:30
tsconfig.base.json bootstrap new electron app 2026-01-16 12:05:33 +05:30
VIDEO_MODE.md docs(x): fix pointers the reorg docs pass got wrong or missed 2026-07-10 17:57:03 +05:30