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Add managed macOS Core Audio voice path
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Talon
2026-09-16 22:05:40 +02:00
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clients/apple/dotnet/README.md
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`VoiceCat.Mac` is the native AppKit C# port. It targets `net10.0-macos` and references the same `VoiceCat.Core` and `VoiceCat.Audio` assemblies used by the Windows client and managed CLI.
The current checkpoint is a functional guest-client shell: AppKit launch/menu lifecycle, host and nickname entry, explicit TOFU approval (including changed-key warning), channel selection, user roster, channel text, voice subscription, disconnect reporting, native accessibility labels, sandbox/network/audio entitlements, and deterministic disposal. It does not yet replace the Swift release. CoreAudio capture/playback, saved servers/accounts, moderation sheets, private messages, settings, ScreenCaptureKit sharing, VoiceOver verification, signing and notarization remain.
The current checkpoint is a functional guest client: AppKit launch/menu lifecycle, host and nickname entry, explicit TOFU approval (including changed-key warning), channel selection, user roster, channel text, voice subscription, managed microphone-stream lifecycle, default-device Core Audio capture/playback, disconnect reporting, native accessibility labels, sandbox/network/audio entitlements, and deterministic disposal. Capture is converted to interleaved 48 kHz int16 PCM through `AVAudioConverter`; playback uses an `AVAudioSourceNode` and the shared bounded `PcmRing`, so its render callback does not allocate, lock, or block. It does not yet replace the Swift release. Saved servers/accounts, non-default device selection, moderation sheets, private messages, settings, ScreenCaptureKit sharing, VoiceOver verification, signing and notarization remain.
Build on Apple Silicon macOS 15.6+ with Xcode 26 and the .NET 10 macOS workload:
```bash
dotnet workload install macos
pwsh ./dotnet/build-native.ps1
dotnet restore clients/apple/dotnet/VoiceCat.Apple.slnx
dotnet build clients/apple/dotnet/VoiceCat.Apple.slnx -c Debug
```
The repository's `dotnet/build-native.ps1` must first stage an `osx-arm64` `libvoicecat_media.dylib`; that shim contains only Opus/RNNoise. Windows and Linux cannot compile or validate AppKit bindings, so the macOS build is a required CI/release gate.
The native build stages an `osx-arm64` `libvoicecat_media.dylib`; that shim contains only Opus/RNNoise. The AppKit and AVFoundation calls are also compiled against Microsoft's current macOS reference assembly during development, but only a macOS host can link, launch, grant microphone access and verify live devices. The macOS CI build and manual listen test are required release gates.