feat: Windows support — WASAPI system audio loopback capture#1
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stjiao14 wants to merge 6 commits into
Open
feat: Windows support — WASAPI system audio loopback capture#1stjiao14 wants to merge 6 commits into
stjiao14 wants to merge 6 commits into
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Updated microphone capture documentation and added platform-specific permission handling for macOS. Enhanced the mic stream setup process to ensure permissions are granted before opening the stream.
… loopback module to WASAPI backend on Windows
Implement system audio loopback capture on Windows using WASAPI. Provides public API methods to start, drain, and stop audio capture.
Implement macOS calendar event fetching using EventKit and add tests for CalendarEvent serialization.
…is bundle target and Windows bundle config
Author
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@sufforest PTAL |
sufforest
reviewed
Mar 16, 2026
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sufforest
reviewed
Mar 16, 2026
| out[i] += s * 0.6; | ||
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| }//! Audio capture pipeline — mic (cpal) + system loopback (ScreenCaptureKit). |
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sufforest
reviewed
Mar 16, 2026
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| # Windows: WASAPI for system audio loopback | ||
| [target.'cfg(target_os = "windows")'.dependencies] | ||
| windows = { version = "0.58", features = [ |
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What
This PR adds Windows support to Aura by implementing system audio loopback capture via WASAPI, mirroring the existing macOS ScreenCaptureKit backend.
Changes
src-tauri/Cargo.tomlwindowscrate (WASAPI Win32 APIs) undercfg(windows)src-tauri/src/audio/loopback_windows.rsAUDCLNT_STREAMFLAGS_LOOPBACK, pollsGetBufferin a background thread, converts PCM→f32src-tauri/src/audio/mod.rsloopbackmodule via#[path]:loopback.rson macOS,loopback_windows.rson Windowssrc-tauri/src/audio/mic.rsensure_mic_permission()for non-macOS — WASAPI prompts automaticallysrc-tauri/src/calendar/mod.rslist_upcoming_events()for non-macOSsrc-tauri/tauri.conf.jsonnsisbundle target for Windows installerHow it works
WASAPI loopback taps the default render device — no special permission needed. A background thread calls
GetBufferevery 10 ms, converts the device’s native PCM (f32 or i16) tof32, and stores it in aMutex<Vec<f32>>consumed bydrain()/stop().Testing
Live: start any meeting (Zoom, Teams, Meet), click Record, verify transcript.