Commit Graph
64 Commits
Author SHA1 Message Date
Talon cf808483e0 Fix physical iOS device deployment
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2026-09-21 03:10:25 +02:00
Talon 08e6c5930a Retire legacy implementations and flatten managed layout
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2026-09-21 00:11:32 +02:00
Talon dd811a0bb8 Fix audio clock drift and adaptive jitter buffering
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2026-09-20 16:26:03 +02:00
Talon 57a63cc1cd Publish Windows and Linux servers together
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2026-09-20 01:15:52 +02:00
Talon c9ed832459 Retire legacy sources and verify managed iOS deployment
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2026-09-19 22:40:48 +02:00
Talon 9fc5598e8e Bring managed iOS client to feature parity
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2026-09-19 19:33:10 +02:00
Talon c6715028c1 Add managed UIKit iOS client
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2026-09-19 15:43:37 +02:00
Talon d0a72176ba Extend managed macOS client toward feature parity
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2026-09-19 00:39:04 +02:00
Talon 310c0f09dd Complete managed macOS platform bring-up
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2026-09-18 18:51:53 +02:00
Talon ab460ae12b Add private messaging to managed macOS client
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2026-09-16 22:24:52 +02:00
Talon 28f1dbb991 Store macOS account passwords in Keychain
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2026-09-16 22:22:03 +02:00
Talon 5a30018aeb Prompt for protected macOS channels
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2026-09-16 22:16:18 +02:00
Talon 52f7f51e59 Add managed server profiles and account login
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2026-09-16 22:13:34 +02:00
Talon edd7783a5c Add managed macOS Core Audio voice path
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2026-09-16 22:05:40 +02:00
Talon e5ff484cac Start managed macOS AppKit client
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2026-09-16 17:34:16 +02:00
Talon 7be93e81a1 Package managed server for Linux production
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2026-09-16 17:08:17 +02:00
Talon 48c754aed9 Add managed console client and interop scenarios
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2026-09-16 16:55:17 +02:00
Talon 82ad4c2811 Port managed client audio and Windows application
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2026-09-16 16:48:06 +02:00
Talon 5a226ba543 Harden managed server deployment and authentication 2026-09-15 23:24:11 +02:00
Talon 653131b876 Add managed channel administration and moderation
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2026-09-15 23:11:09 +02:00
Talon 274b85025c Add configurable media-aware managed session reaping 2026-09-15 22:58:16 +02:00
Talon 05eacb3092 Add encrypted managed UDP relay and native voice conformance 2026-09-15 22:53:54 +02:00
Talon 4067bab7c2 Add managed codec DSP and initial control server 2026-09-15 22:51:33 +02:00
Talon 2df79cdd4c Add managed TLS interoperability and persisted credentials
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2026-09-15 18:04:20 +02:00
Talon b76181d9fb Start .NET rewrite with wire and media crypto conformance
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2026-09-15 17:54:16 +02:00
TalonandClaude Opus 5 c6c003b8a7 docs: add the .NET/C# porting plan
Proposal for replacing the C++ core, C++ server, and Swift macOS/iOS
clients with a single .NET 10 / C# codebase.

Covers the dependency map (8 vcpkg deps + 1 vendored -> 3 native libs),
the real-time-audio design, per-client strategy, a test-porting plan for
all 29 ctest cases, doc-sync work, an 11-phase migration, and a risk
register.

Two findings drive the shape of the plan:

- SslStream has no RFC 5705 keying-material exporter, which the media
  AEAD key derivation depends on (docs/security.md 2). The API is an
  unapproved proposal and SChannel structurally cannot export secrets.
  Recommends BouncyCastle's managed TLS 1.3 stack, which does implement
  the exporter and keeps the wire format byte-compatible with the C++
  implementation -- so the existing tree stays usable as a conformance
  oracle throughout the port. Protocol-v3 in-band media keys documented
  as the fallback.

- The iOS ReplayKit broadcast upload extension stays in Swift: 50 MB
  jetsam cap plus an unsupported extension type in .NET for iOS, and it
  already doesn't link the core. Leaves one Swift file plus the shared
  App Group ring.

Indexed in docs/README.md. Nothing here is implemented yet.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 03:19:59 +02:00
Talon 4f71b784fe docs: condense implementation comments
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2026-07-23 13:37:05 +02:00
TalonandClaude Sonnet 5 5c03e5f261 build: bundle vcpkg as a git submodule, pinned to the manifest baseline
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Adds vcpkg as a submodule at vcpkg/, pinned to the exact commit vcpkg.json
already declares as builtin-baseline, so the bundled checkout and the
manifest's resolved port versions can never drift apart.

cmake/voicecat-toolchain.cmake, scripts/common.sh, and
clients/apple/scripts/build-xcframework.sh now resolve vcpkg as:
VCPKG_ROOT env var (external checkout) > bundled submodule. Docs updated
to describe the new one-time setup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-03 10:42:42 +01:00
TalonandClaude Sonnet 4.6 2c8178fa02 chore: remove skeleton build mode and stub #ifdef scaffolding
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Drop the M0 no-deps skeleton preset and all VOICECAT_HAS_NET/AUDIO/OPUS/NS
guards that it required. Every subsystem is fully implemented; the stub
#else paths were dead code that added noise to every header and source file.

- CMakePresets.json: remove skeleton configure/build/test entries
- CMakeLists.txt (root/core/tests): remove VOICECAT_USE_VCPKG_DEPS option
  and guards; all targets now build unconditionally
- 17 C++ source files: unwrap HAS_* guards, delete stub #else blocks
- apm_processor.cpp: delete ApmPassthrough no-op class; create() always
  returns RnnoiseProcessor
- 18 test files: remove HAS_* guards and stub int main() skip bodies
- docs/building.md: remove skeleton from preset table and prose

VOICECAT_HAS_LOOPBACK (Windows WASAPI loopback platform gate) unchanged.
29/29 ctest green.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-30 11:32:22 +01:00
Talon 6fe7bf0158 feat: fix voice join/leave, channel edit defaults, channel-update stream restart
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Three bugs fixed across the full stack (proto/server/core/ABI/Win/macOS/iOS):

1. Join/Leave Voice now truly subscribes/unsubscribes from the voice plane.
   Previously the button only toggled the local mic — receiving was always on
   (gated by channel membership alone). Added a protocol-level voice subscription
   concept: new SubscribeVoiceRequest/UnsubscribeVoiceRequest/VoiceSubscriptionResult
   proto messages, User.voice_subscribed field, vc_join_voice/vc_leave_voice C ABI
   functions, VC_EVENT_VOICE_STATE event, server-side voice_subscribed flag checked
   by the SFU relay recipient filter, and core-client gating of remote-stream
   decoder setup. All three clients rewired to subscribe+mic on Join / unsubscribe
   on Leave. Text chat works regardless of voice subscription.

2. Channel edit dialog now shows the channel's actual current settings. The read
   struct vc_channel was missing sort_order and audio fields — only the write
   struct vc_channel_info had them. Extended vc_channel with both (additive, no
   ABI break), updated the session model and list_channels marshaling to populate
   them, and updated all three clients' edit callers to use actual channel info
   instead of hardcoded defaults.

3. Channel parameter updates now automatically restart everyone's streams.
   Previously editing a channel's audio config persisted and broadcast a
   ChannelEvent::UPDATED, but no layer restarted streams — encoders/decoders are
   frozen at announce time. handle_channel_event now detects audio-config changes
   on the user's current channel and stop->starts each active local stream. The
   server reads the updated config on re-announce; peers wire up fresh decoders
   at the new ssrc.

All 29 CTest tests pass; Windows DLL + C# client build clean. Apple clients not
yet compile-verified (Windows environment).
2026-06-24 14:29:39 +02:00
TalonandClaude Opus 4.8 b44a200b95 fix(audio): apply receive-side NR to stereo mic streams
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The per-listener noise-reduction toggle (vc_set_remote_stream) did nothing
on Windows/macOS/iOS. The decode loop gated the RNNoise pass on
dec_channels == 1 as a proxy for "this stream is voice" (assuming
stereo => screen-share). The stereo-mic capture commit broke that: a stereo
mic with send-side NR off transmits stereo Opus, so the receiver decoded
two channels and skipped NR entirely. gain/mute have no channel guard, which
is why only NR appeared broken.

Thread the stream kind through init_recv_stream into RemoteStream::is_voice
(set from si.kind() == STREAM_MIC), gate receive NR on is_voice instead of
channel count, and fold a stereo voice frame to mono -> denoise -> duplicate
back across both channels in place (symmetric with the send-side downmix;
RNNoise is mono-only). Screen-audio shares are never denoised.

New test test_recv_noise_reduction drives AudioEngine and asserts a stereo
voice stream's noise floor collapses with NR on (RMS 1046 -> 0.1) while a
screen-audio share stays unchanged. ctest --preset dev green 29/29.
Docs: voice.md section 10. Shared-core fix; clients need only a rebuild.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-23 21:11:03 +02:00
TalonandClaude Opus 4.8 f72219ddf3 feat(audio): stereo mic capture on Windows & macOS desktop clients
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Both desktop mics were hard-mono: the core defaults capture_channels=1 and
neither client ever called vc_set_capture_channels (only iOS did). Add a
persisted "Stereo microphone" toggle to each client's Audio settings, applied
when the mic stream starts and live via vc_set_capture_channels + vc_audio_restart.
Expose both ABI calls in the Windows interop; the macOS wrapper already had them.

Core fix: encode_and_send_frame now folds a stereo mic frame to mono on a mono
channel - previously the channels==2 branch encoded interleaved L/R directly even
on a mono channel, feeding a mono opus_encode 2x its samples (wrong pitch/garbage).
Real stereo still only reaches the wire on a stereo channel; on a mono channel the
mic is cleanly downmixed.

Test: test_stereo_mic_mono_channel. ctest --preset dev green (28/28). Docs: voice.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-23 20:48:26 +02:00
TalonandClaude Opus 4.8 bad9c7533a feat(audio): real noise suppression via vendored RNNoise (send + receive)
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The two-sided NR plumbing (RemoteStream::recv_ns + the per-listener
vc_set_remote_stream noise_reduction toggle) was wired but inert:
ApmProcessor::create() returned a no-op passthrough, because the
originally-planned webrtc-audio-processing has no working Windows/macOS
build. Drop in RNNoise as the real backend behind the same ApmProcessor
interface, lighting up both NR paths.

- Vendor RNNoise (BSD-3 + CC0) at third_party/rnnoise/ — the vcpkg port
  is !windows !arm, so it can't cover our primary targets. Shrunk int8
  model (78MB -> 11.7MB via upstream scripts/shrink_model.sh), built as a
  standalone C static lib with no RTCD (portable scalar path on x86,
  auto-NEON on arm64) under -DDISABLE_DEBUG_FLOAT. Model is baked in
  (rnnoise_create(NULL)); no runtime file.
- New RnnoiseProcessor (core/src/audio/apm_processor.cpp) selected by
  ApmProcessor::create() when VOICECAT_HAS_NS. Mono/48kHz/480-sample;
  our clock is fixed 48kHz and Opus frame sizes are multiples of 480, so
  no resampling. RT-safe: allocates at construction, lock-free in the
  capture/playback callbacks.
- Receive-side: lit up via the factory; gated to mono streams (a stereo
  stream is a screen-audio share, not voice).
- Send-side (new): vc_set_input_noise_reduction(client, enable) ABI +
  vc_client::mic_ns_, run before input gain/VAD in on_capture_frame. A
  stereo mic is downmixed to mono ONLY when NR is on — with NR off a
  stereo mic keeps full stereo (never collapse mic quality unasked).
- Enable C as a project language for the vendored lib.
- New noise_suppression test: white noise through ApmProcessor::create()
  drops ~99.9% RMS. ctest --preset dev green, 28/28. windows-client DLL
  builds clean with vc_set_input_noise_reduction exported, system-only deps.
- Docs synced: voice.md §10, tech-stack.md §1/§5, third_party/README.md,
  vcpkg.json note, PROGRESS.md, CLAUDE.md.

Client on/off UI toggles (Windows/macOS/iOS) are the remaining follow-up.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-23 13:30:54 +02:00
Talon d30c4ee2f5 fix(ios-audio): unify iOS audio onto one always-external AVAudioEngine
The iOS audio path was a hybrid: Voice-Chat-class presets ran a native
VPIO AVAudioEngine (core external) while Stereo/Studio/A2DP presets ran
the core's miniaudio devices. Nearly every "no input / no output / both"
bug lived in the seam between the two paths — the lingering miniaudio
capture unit fighting VPIO, the audioRestart ordering dance, the
route-change "glitching" loop, stereo<->mono stickiness, and
"can't hear anyone". Switching presets/routes mid-call routinely dropped
a direction.

Drive ALL iOS audio through one AVAudioEngine with the core fully
external at all times: setExternalPlayback(1) once at connect, every MIC
stream external_feed=1, mic via vc_stream_feed_pcm, playback via
vc_set_mixed_output_sink (drained by an always-on AVAudioSourceNode so
remote audio plays before joining voice). VPIO + AGC toggle per preset.
Every preset/route/interruption change funnels through one deterministic
Swift-only reconfigure (stop -> apply session config -> rebuild -> start)
— no second path to hand off to, so a change can't drop a direction.

- IOSVoiceProcessingEngine.swift -> IOSAudioEngine: always-on source-node
  playback, conditional mic tap, VPIO/AGC; one rebuild() backing
  startListening/stop/startMic/stopMic/reconfigure/setCaptureChannels.
- IOSAudioRouter: 7 presets -> 4 (Voice Chat / Stereo Mic / Mono Mic /
  Advanced); persisted voiceProcessingEnabled + agcEnabled; setters call
  IOSAudioEngine.reconfigure() instead of audioRestart/reconcileVoicePath.
- AudioSessionManager slimmed; SessionState mic lifecycle collapsed;
  AppState wires external playback + listening at connect, stop at
  disconnect; SettingsView shows 4 presets + Advanced VPIO/AGC toggles.

No core/ABI/test changes — relies on the already-shipped external API
(test_external_pcm, test_external_playback). xcodebuild iOS device Debug
BUILD SUCCEEDED. Updates docs/voice.md §8 and PROGRESS.md.
2026-06-23 02:45:53 +02:00
TalonandClaude Opus 4.8 7547b8e140 fix(audio): wire in-band FEC into the decoder loss path
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The encoder set OPUS_SET_INBAND_FEC, but the decoder never invoked FEC --
the loss path went DRED -> PLC, so FEC redundancy was emitted (and paid for
in bitrate) yet never consumed.

Wire FEC recovery into AudioEngine::on_playback between DRED and PLC: copy
the next buffered packet once, try DRED, else (if the stream negotiated FEC)
decode(next_pkt, ..., fec=true), else PLC. Recovery priority is now
DRED -> FEC -> PLC. Add per-stream RemoteStream::fec_enabled_, captured from
OpusParams in init_recv_stream. Docs (voice.md) updated to match.

ctest --preset dev: 27/27 green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-22 20:18:29 +02:00
TalonandClaude Opus 4.8 ce2035f271 fix(audio): bound playout depth to stop voice latency ratcheting up
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Latency between speakers grew to multiple seconds and only reset on
rejoining voice. Root cause was the receiver playout logic, not the
codec settings: the playout clock free-ran in real time while the
sender omitted silence from its timestamps (and set no header flags),
and the only correction snapped the clock to the *oldest* buffered
frame — which could only ever add standing latency. target_depth_ms_
was computed but never enforced, so latency could only grow or reset.

Fix: bound playout against the stream's leading edge (newest frame).
(Re)seed to the leading edge on start/marker/starve (no prebuffer, so
latency stays low), and frame-skip catch-up trims any backlog beyond
target+hysteresis — the missing downward force.

Hardening: sender now stamps kFlagMarker (talkspurt start) and kFlagDtx,
consumed on recv for clean resync; adaptive late-drop window; EWMA
outlier rejection so silence gaps/stragglers don't poison the estimate;
duplicate counting and ring-underrun diagnostics.

New test_jitter_depth asserts depth stays bounded (<200ms) while
arrivals outrun playback. ctest --preset dev green (27/27).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-22 20:02:20 +02:00
TalonandClaude Opus 4.8 e155e342f4 feat(audio): channel sample_rate caps Opus bandwidth (narrowband/wideband)
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The per-channel sample_rate field was inert after pinning the codec to
48 kHz. Make it meaningful without changing the 48 kHz clock: carry it as
OpusParams::max_bandwidth_hz and apply OPUS_SET_MAX_BANDWIDTH in
OpusEncoder::init (8000->narrowband, 16000->wideband, 24000->super-wideband,
48000->full). A low-bitrate room can now shed out-of-band content while
every endpoint keeps a single 48 kHz clock.

Make sample_rate channel-authoritative on the server: conn_session no
longer overrides effective sample_rate with the client's always-48000
request (it now behaves like frame_ms/mode). vc_get_stream_audio_config
reports the channel's configured rate for own streams too.

New ctest channel_samplerate: a 7 kHz tone is attenuated ~1000x on an
8 kHz (narrowband) channel vs a 48 kHz (full-band) channel, proving the cap
is in effect. ctest --preset dev 26/26.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-22 16:56:49 +02:00
TalonandClaude Opus 4.8 a460009a2f fix(audio): reframe send path to channel frame_ms; pin codec to 48 kHz
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The AudioEngine capture clock is fixed at 48 kHz / 20 ms (960-sample
frames), but a channel may set any Opus frame_ms (2.5..60 ms, voice.md
§3) and the server enforces it unclamped. on_capture_frame handed the
engine's 960-sample frame straight to an encoder configured for the
channel's window: frame_ms > 20 was silently ignored, and frame_ms < 20
broke entirely (receiver sized its decode buffer too small ->
OPUS_BUFFER_TOO_SMALL -> dead audio). Affected the hardware mic and
vc_stream_feed_pcm alike.

Reframe each captured/fed block to ls.frame_samples via a per-LocalStream
accumulator (pre-sized at announce, no RT-thread alloc) before
encode_and_send_frame; the 20 ms case stays a zero-copy fast path. Also
pin the codec to 48 kHz in opus_params_from_audio_config — it was honoring
a non-48k effective sample_rate against a 48 kHz PCM clock.

New ctest frame_ms_reframe covers 40 ms (accumulate) and 10 ms (split)
feed->encode->relay->decode->sink round trips. ctest --preset dev 25/25.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-22 16:45:02 +02:00
TalonandClaude Opus 4.8 5e18dfa1c9 fix(windows): real native exclude + self-echo removal for screen audio
"All apps except selected" previously captured the complement of a frozen
app snapshot in INCLUDE mode (missed late-launched apps and system sounds,
wasted captures on silent windows). It now opens a single ProcessLoopbackCapture
in EXCLUDE mode (AUDIOCLIENT_PROCESS_LOOPBACK_MODE_EXCLUDE_TARGET_PROCESS_TREE)
of the one chosen app — true system-mix-minus-one, dynamic so apps launched
after sharing starts are included. The picker enforces single-selection in
exclude mode (the activation params take one target PID).

Adds an "Exclude VoiceCat's own audio (prevents echo)" checkbox (default on,
entire-desktop only) that routes the desktop capture through the same EXCLUDE
path targeting our own process id, killing the whole-device self-echo loop.

No C++/ABI changes. Updates voice.md and PROGRESS.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-22 12:28:53 +02:00
Talon 6c17881cc0 feat(ios): real echo cancellation/NR via native Voice-Processing engine
iOS "voice chat" had echo and no noise suppression: real iOS AEC/NS/AGC
come only from Apple's Voice-Processing I/O unit (VPIO), but the core
plays/captures via miniaudio's plain RemoteIO units, so .voiceChat mode
alone never engaged AEC.

Core (ABI PATCH 1->2):
- vc_set_mixed_output_sink + vc_set_external_playback. In external mode the
  AudioEngine opens no hardware playback device; a mixer-timer thread drives
  on_playback (decode+mix) on a ~20ms cadence and ships the final mix to the
  sink. start() also skips the hardware capture device when the MIC stream is
  external_feed (AudioParams.external_capture).
- New white-box test test_external_playback (drives the timer with no hw).

iOS/Swift:
- StreamDescriptor.externalFeed; VoiceCatClient.setMixedOutputSink /
  setExternalPlayback wrappers.
- IOSVoiceProcessingEngine: AVAudioEngine + setVoiceProcessingEnabled; mic
  tap -> feedPcm, mixed-sink lock-free ring -> AVAudioSourceNode (both share
  the VPIO unit so AEC has its reference signal).
- IOSAudioRouter.currentConfigUsesVoiceProcessing scopes VPIO to the AEC
  presets; SessionState join/leave + reconcileVoicePath() switch paths;
  Voice Chat defaults to speaker; Settings surfaces AEC/NS state.

Known: pending on-device verification; a few bugs to fix afterward.
2026-06-22 02:38:01 +02:00
Talon 6071c8e238 fix(media): stop permanent voice loss after bad-network blip (protocol v2)
A bad UDP packet on a flaky link could permanently wedge the voice path,
unrecoverable even across app restarts. Three defects:

1. Anti-replay window was advanced from the UNAUTHENTICATED header seq
   before the AEAD tag was checked, and not rolled back on failure. One
   corrupted/forged frame shoved recv_highest_ far ahead, after which every
   legitimate frame was rejected as "too old" forever. Reorder to
   replay-check -> authenticate -> update (RFC 3711 3.3); the window now
   moves only after a successful tag check.

2. The wire seq was only the low 16 bits of the nonce counter (zero-extended
   on receive). After 65,536 frames the nonce desynced and all frames failed
   auth. Widen the voice frame seq u16 -> u64 (header 14 -> 20 bytes). The
   core owns all UDP framing, so Swift/C# clients need only a rebuild. This
   is a versioned wire change: VOICECAT_PROTOCOL_VERSION 1 -> 2, handshake
   rejects on mismatch.

3. Server leaked per-session UDP state on disconnect; unregister_session now
   frees udp_endpoints_/udp_tokens_/ssrc_to_session_.

Also add rate-limited dropped-frame logging to MediaRelay so a wedged media
path is observable. New regression tests in test_media_aead.cpp cover the
poison (fails on old code) and the 16-bit wrap. ctest --preset dev
-E external_pcm: 22/22 pass (external_pcm aborts on a pre-existing CoreAudio
shutdown race, unrelated).
2026-06-21 17:45:28 +02:00
Talon c1e6f4f7ff feat(macos): per-app audio selection for screen sharing
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.
2026-06-21 13:35:01 +02:00
Talon 8c90e250f0 feat(apple): screen-audio sharing -- macOS ScreenCaptureKit, iOS ReplayKit
Implement system/desktop audio sharing on the Apple clients, feeding the
existing SCREEN_AUDIO Opus -> AEAD -> UDP path via vc_stream_feed_pcm. No
C++/protocol/codec changes -- the core was already ready (the Windows-only
loopback is #ifdef VOICECAT_HAS_LOOPBACK; off Windows the stream just waits
for fed PCM). Audio only; video is dropped.

macOS (in-process):
- ScreenAudioCapture.swift drives an audio-only SCStream
  (excludesCurrentProcessAudio), converts Float32 -> int16 in the channel's
  mono/stereo mode, and calls feedPcm. Capture starts on the self
  .streamStarted event (effective config known then). Wired into
  MainWindowController.screenAudioClicked().

iOS (forward-to-host, single session):
- VoiceCatBroadcast: a ReplayKit Broadcast Upload Extension consumes
  .audioApp only, resamples to 48kHz int16 stereo (AVAudioConverter), and
  writes a shared App Group SPSC ring (BroadcastAudioRing.swift). It does
  not link libvoicecat.
- Host BroadcastAudioPump drains the ring (reacting to the extension's
  Darwin notifications) and feeds the SCREEN_AUDIO stream it owns, downmixing
  to mono when the channel is mono. Screen audio appears as a second stream
  of the same user; no credentials persisted. UI is RPSystemBroadcastPicker
  View in VoiceControlsView. Removes the speculative BroadcastCredentials.

Docs: voice.md s9, CLAUDE.md status, PROGRESS.md.
2026-06-21 00:14:31 +02:00
TalonandClaude Sonnet 4.6 615d2a8e5f feat: external PCM feed/tap API (vc_stream_feed_pcm + vc_set_pcm_sink)
Promotes vc_test_inject_capture (mono-only, TEST-ONLY) to a public,
stereo-capable production API and adds a symmetric PCM tap on the
receive side. Enables ReplayKit (iOS), ScreenCaptureKit (macOS), bots,
soundboards, and custom clients — all without a hardware audio device.

Core C++:
- voicecat.h: new vc_stream_feed_pcm, vc_pcm_sink_cb typedef,
  vc_set_pcm_sink; vc_test_inject_capture kept as deprecated alias
- audio_engine: stereo-aware inject_capture (channels param + ring
  reset on channel-count change); atomic pcm_sink_ fired per decoded
  frame in on_playback; RemoteStream carries user_id/stream_id for
  RT-safe sink metadata; init_recv_stream takes user_id+stream_id
- client.cpp: stream_feed_pcm / set_pcm_sink implementations;
  sync_remote_streams passes user_id/stream_id to init_recv_stream
- voicecat.cpp: trampolines + channels=1/2 validation

Tests: test_external_pcm (headless, 3 sub-tests: mono round-trip,
stereo feed L≠R, sink metadata+disable). ctest 23/23.

Swift: feedPcm / setPcmSink in VoiceCatClient.swift + 4 XCTest
smoke tests (ExternalPcmTests.swift).

C#: StreamFeedPcm / SetPcmSink in VoiceCatClient.cs + NativeMethods.cs
(vc_stream_feed_pcm unsafe P/Invoke, VcPcmSinkCallback delegate,
vc_set_pcm_sink via nint) + 4 xUnit smoke tests (ExternalPcmTests.cs).

Docs: architecture.md §4 new subsection, voice.md §9 updated
(macOS/iOS now reference vc_stream_feed_pcm), protocol.md §8 explicit
no-protocol-change note, roadmap.md M5 entry.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-20 17:52:09 +02:00
TalonandClaude Sonnet 4.6 fdcd8d1427 feat: DRED (Deep REDundancy) per-channel toggle
Adds Opus 1.6 DRED support end-to-end: encoder embeds 20 ms of ML
redundancy in every packet when enabled; decoder recovers lost frames
from the next buffered packet's DRED extension rather than falling back
to PLC comfort noise.

Protocol: bool dred = 11 added to AudioConfig (backward-compatible,
defaults false). C ABI: int dred added to vc_audio_config. Encoder:
OPUS_SET_DRED_DURATION(2) when dred=true. Decoder: OpusDREDDecoder +
per-stream OpusDRED scratch pre-allocated off the RT thread;
JitterBuffer::try_copy_front_payload peeks at the next packet without
popping on every PLC step; opus_decoder_dred_decode reconstructs the
lost frame if DRED data is present, otherwise falls back to PLC.

New test: test_dred_toggle (22/22 ctest green).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-20 13:40:47 +02:00
Talon fdcc84fb42 fix(ios): stereo mic + A2DP output, add vc_audio_restart ABI
Diagnosed by comparing against TeamTalk5 (Client/iTeamTalk), which
achieves stereo mic + A2DP output. Five fixes:

1. configureStereoCapture now calls setPreferredInput +
   setInputDataSource (mirroring TeamTalk5's SoundDevicesModel).
   Previously omitted based on incorrect diagnosis that
   setPreferredInput collapsed A2DP — the real culprit was
   setPreferredInputNumberOfChannels(2), which neither project uses.

2. New C ABI: vc_audio_restart (full stop + re-init, unlike
   suspend/resume which only stop/start). Swift wrapper added.
   The withAudioSuspend wrapper that used it was removed after
   on-device testing showed it killed all audio (including
   VoiceOver) when switching presets — the core's
   set_capture_channels handles engine restart internally.

3. Bluetooth options: Voice Chat preset now includes BOTH
   .allowBluetoothHFP AND .allowBluetoothA2DP (matching TeamTalk5's
   UtilSound.swift:228). Previously HFP-only blocked A2DP headphones.

4. Capture channels now reset when switching stereo→mono via
   selectCaptureChannels/applyPreset. AudioSessionManager tracks
   activeMicStreamId (set by SessionState on join/leave voice).

5. Docs synced: voice.md, tech-stack.md, architecture.md,
   PROGRESS.md. Removed stale setPreferredInputNumberOfChannels(2)
   references.

Verified: ctest --preset dev 21/21 green, iOS client builds.
Stereo mic + A2DP output still needs on-device debugging — the
core recipe is correct but iOS 26 route behavior requires
hands-on testing with a debugger.
2026-06-19 16:58:21 +02:00
Talon 9fc51cffc4 feat(ios): audio overhaul, Join/Leave Voice, channel-id sync fix, stereo mic capture
Three iOS client problems fixed plus a new core stereo-mic capture ABI:

1. Channel-id sync bug (mic button permanently dimmed): SessionState never
   synced currentChannelId from the self user's channelId on connect, so the
   mic button (gated on currentChannelId == 0) stayed dimmed. Added
   syncSelfChannel() (mirrors macOS MainWindowController.swift:461,491,522);
   called from init/.channelList/.userJoined/.userLeft/.userUpdated/.joinResult.
   Added applyServerMuteState() + serverMuted/serverDeafened to VoiceState.

2. Join/Leave Voice button: replaced icon-only mic toggle with explicit
   text button (parity with macOS). Mute/deafen disable when not in voice.

3. IOSAudioRouter.swift (new): full AVAudioSession routing layer — input
   port selection, built-in mic orientation/polar patterns, Bluetooth
   HFP/A2DP/Off modes, Standard/Raw mic processing, stereo capture, AirPlay,
   UserDefaults persistence. AudioSessionManager delegates to it.

4. Core stereo-mic capture (append-only ABI): vc_set_capture_channels()
   lets the core open the mic device in stereo (2-ch interleaved). LocalStream
   gains capture_channels; ensure_audio_running reads it; audio_engine.cpp
   capture_accum_ + on_capture updated to channel-aware accumulation. Test
   test_stereo_mic_capture (headless, L!=R stereo round-trip). Swift wrapper
   VoiceCatClient.setCaptureChannels.

5. Settings UI rework: AVAudioSession-derived input/output tree replaces
   miniaudio device picker.

6. iOS deployment target raised to 18.0 (Package.swift + project.pbxproj).
   swift-tools-version 6.0 with swiftLanguageModes .v5.

Docs: tech-stack.md, architecture.md, voice.md, roadmap.md, building.md
updated; stale 'vc_audio_suspend/resume deferred' claims corrected.

Verified: ctest --preset dev 21/21 green; swift test 6/6 green;
xcodebuild -target VoiceCatiOS -sdk iphonesimulator BUILD SUCCEEDED.
2026-06-19 13:17:52 +02:00
Talon e2616b60b4 fix(scripts): run-ios-simulator.sh exits silently when no Booted sim found
When no simulator is booted, grep -oE finds no UUID and exits 1. With
set -euo pipefail, that non-zero exit propagates through the command
substitution and kills the script at the UDID= assignment before it can
fall through to the boot-one branch.

Fix: add || true to both find_sim and sim_name pipelines so they always
return 0 regardless of whether a match was found.

Also replace sleep 2 with xcrun simctl bootstatus <UDID> -b, which blocks
until the simulator is fully booted — more reliable than a fixed delay
and faster when the simulator starts quickly.

Update docs/building.md §9 to show the bootstatus command.
2026-06-19 02:33:14 +02:00
Talon bf37fe8f0f docs+scripts: add iOS build and simulator run commands
scripts/build-ios-client.sh: builds VoiceCatiOS.app for iOS simulator
  - calls build-xcframework.sh --all (all 3 slices required for iOS sim slice)
  - xcodebuild -target VoiceCatiOS with SYMROOT=OBJROOT to co-locate SPM
    and app build products (fixes "unable to resolve module dependency" error)
  - stages result to dist/ios-client/

scripts/run-ios-simulator.sh: installs and launches on an iPhone simulator
  - finds a booted simulator or boots the first available iPhone sim
  - opens Simulator.app, installs via simctl install, launches via simctl launch
  - --build flag to build first; --log to stream app logs; --device / --udid to
    pin a specific simulator

scripts/build-all.sh: add --ios-client opt-in flag (macOS only)

docs/building.md:
  - add iOS entry to quick-nav table
  - update §6 (apple platform): remove "scaffolding" caveat now that iOS slices
    are validated; trim to essentials + pointer to build-xcframework.sh
  - add §9 (iOS client SwiftUI): XCFramework, xcodebuild command with rationale
    for -target/-SYMROOT flags, run script usage, full simctl commands, Xcode UI
2026-06-19 02:19:38 +02:00
Talon 56a6e4fab5 docs: add Windows + macOS client build commands to building.md
Add §7 (Windows client: dotnet build) and §8 (macOS client: XCFramework
+ xcodebuild) with the full build/run commands for each client platform.
Also add a quick-navigation table at the top of the doc.
2026-06-18 17:36:47 +02:00