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feat(macos): per-app audio selection for screen sharing

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Let users choose what the SCREEN_AUDIO stream captures before sharing:
share everything, only selected apps, or all except selected apps, plus a
first-class "Exclude screen reader (VoiceOver) audio" toggle.

ScreenCaptureKit filters audio per application, so ScreenAudioCapture now
takes a ScreenAudioSelection and builds the matching SCContentFilter
(including:/excludingApplications:). New ScreenSharePickerSheet lists
running apps from SCShareableContent. iOS left untouched -- ReplayKit only
delivers the mixed system stream, so per-app filtering is impossible there.
This commit is contained in:
Talon
2026-06-21 13:35:01 +02:00
parent 6b7f06a282
commit c1e6f4f7ff
6 changed files with 389 additions and 16 deletions
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12
PROGRESS.md
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@@ -61,6 +61,18 @@ up instantly. Newest status at the top.
aborts at shutdown (`mutex lock failed`), a **pre-existing** teardown crash unrelated to this
change (no C++ was modified).
- **Done (2026-06-21):** **macOS per-app screen-audio selection.** Before sharing, a new
`ScreenSharePickerSheet` lets the user choose scope — share Everything / Only selected apps /
All except selected apps — plus a first-class **"Exclude screen reader (VoiceOver) audio"**
toggle. `ScreenAudioCapture` now takes a `ScreenAudioSelection` and builds the matching
`SCContentFilter` (`including:` / `excludingApplications:`); app list comes from
`SCShareableContent`. macOS `xcodebuild` Debug BUILD SUCCEEDED. iOS deliberately untouched —
ReplayKit only delivers the mixed system stream, so per-app/VoiceOver filtering is impossible
there (documented in voice.md §9). **Still to verify on-device:** which process actually
carries VoiceOver speech (VoiceOver app vs. `com.apple.speech.speechsynthesisd`) — the exclude
set covers both candidates in `ScreenAudioCapture.screenReaderBundleIDs`; confirm exclusion
actually silences it in a real share.
- **Done (2026-06-20):** **macOS client UI overhaul** — mirrors the Windows client's UI
overhaul (commit 97fa659 + 540ec13), adapted to Mac-native conventions. Also fixed and
verified the previously-uncompiled Swift changes from the external PCM feed/tap commit