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punktfunk/clients/apple/Sources/PunktfunkShared/DefaultsKeys.swift
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enricobuehlerandClaude Fable 5 766991cf6a feat(apple): the mic has an off switch you can reach mid-stream
Until now the only way to stop sending the room was to end the session and turn
"Send microphone to the host" off in Settings — a per-app setting for something
that is really a per-conversation act. The mic now mutes from inside the stream:
a button on the HUD card, the Stream menu's ⌃⌥⇧A (macOS menu bar and iPad
hardware keyboards), the same chord while input is captured (both platforms
detect it in InputCapture, where the reserved ⌃⌥⇧Q/D/S already live — ⌃⌥⇧M is
the mouse-model flip, cross-client, so the mic gets A), and on iPhone/iPad a mic
disc beside the touch exit for the stats tiers whose HUD carries no buttons.

Muting is local and instant: it gates capture on this device, the host is never
asked and never told. The muted state gets its own badge over the stream —
independent of the stats overlay, because "am I muted?" is not a statistic and
the overlay is exactly what a player turns off. The badge is also the way back:
tapping it unmutes, which is the guaranteed path for a touch user who muted with
the overlay off.

Mute is session state and is deliberately not persisted. Every stream starts live
if the mic is enabled at all, rather than carrying a mute nobody remembers making
into a call three days later.

The mechanism is the one wave 1 built. `SessionAudio.setMicMuted` — which mutes
the voice processor's input on the combined engine and pauses the capture engine
on the split one — stays the single muting path; what changes is that it now
takes an EFFECTIVE mute the session composes from its two reasons: the user's
mute and the background keep-alive's privacy mute. Neither can clear the other,
so a user who muted before pocketing their phone comes back still muted, and
backgrounding no longer un-mutes anyone on return. It also latches the state, so
a mute made while the microphone permission prompt is still open lands on the
engine that grant creates instead of being lost.

The control is offered only where there is something to mute: the session's
resolved `micEnabled` (a profile can turn the mic on or off), a platform with an
app-accessible input (never tvOS), and a TCC grant the OS hasn't refused. Absent
rather than greyed on the HUD and the touch discs, greyed on the menu, and the
macOS start-of-stream banner only teaches ⌃⌥⇧A when the session actually sends a
microphone.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 22:35:48 +02:00

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// One source of truth for the client's UserDefaults / @AppStorage keys. A magic-string key
// duplicated across a setting's writer (a Settings @AppStorage) and reader (e.g. a stream view
// reading UserDefaults) splits silently on a typo — the setting just stops taking effect. These
// live in the dependency-free PunktfunkShared module (re-exported by PunktfunkKit) because the app,
// the kit's views, AND the widget extension all read them — the widget needs `DefaultsKey.hosts`.
import Foundation
/// Persisted-setting keys. The string VALUES are stable on disk — rename the symbol freely, but
/// never the string (it would orphan everyone's saved value).
public enum DefaultsKey {
public static let streamWidth = "punktfunk.width"
public static let streamHeight = "punktfunk.height"
public static let streamHz = "punktfunk.hz"
/// Match-window resolution policy (design/midstream-resolution-resize.md D1/D2): when on, the
/// stream mode FOLLOWS the session view — the connect asks for the view's pixel size and a
/// mid-session resize (a windowed macOS window, an iPad Stage Manager / Split View scene)
/// renegotiates the host's virtual display + encoder (`PunktfunkConnection.requestMode`), so a
/// windowed session streams native-resolution pixels instead of scaling. Off (default): the
/// explicit `streamWidth`/`streamHeight` are used and never auto-resized (a fullscreen session
/// is native either way, so this degenerates to Auto-native there). Read per session by the
/// stream views' `MatchWindowFollower`.
public static let matchWindow = "punktfunk.matchWindow"
/// Render-resolution multiplier (a `RenderScale` value, default 1.0): the client asks the host
/// to render/encode at `chosen resolution × scale`, then the presenter downscales the larger
/// decoded frame to this display in one Catmull-Rom pass. > 1 supersamples (sharper, at the cost
/// of more bandwidth AND client decode — both grow ∝ scale²); < 1 renders below native for a
/// weak host GPU / constrained link (the presenter upscales). Purely client-side — the host just
/// sees a normal (larger/smaller) `Mode`, and Automatic bitrate scales with it. Clamped even +
/// to the codec's max dimension at connect. Applies to the fixed mode and the match-window path.
public static let renderScale = "punktfunk.renderScale"
public static let compositor = "punktfunk.compositor"
public static let gamepadType = "punktfunk.gamepadType"
public static let gamepadID = "punktfunk.gamepadID"
public static let bitrateKbps = "punktfunk.bitrateKbps"
/// Requested audio channel count: 2 (stereo), 6 (5.1) or 8 (7.1). The host clamps to what it
/// can capture; the resolved count drives the in-core decode + AVAudioEngine layout.
public static let audioChannels = "punktfunk.audioChannels"
/// Preferred video codec: `"auto"` (host decides), `"hevc"`, `"h264"`, `"av1"`, or
/// `"pyrowave"` (the opt-in wired-LAN wavelet codec — picking it advertises AND prefers it,
/// and forces the session SDR). A soft preference — the host emits it when it can, else
/// falls back. Drives the decoder via `Welcome.codec`.
public static let codec = "punktfunk.codec"
public static let micEnabled = "punktfunk.micEnabled"
/// Echo cancellation for the mic uplink (on by default): playback + capture share ONE
/// audio engine so the system voice processor can subtract what this device is playing
/// from what its mic hears — without it a loudspeaker client feeds the game audio straight
/// back to the host. Off = the raw two-engine capture path. macOS: an explicitly pinned
/// speaker/mic or mic channel also bypasses it (the voice processor only follows the
/// system default devices) — see SessionAudio's topology note.
public static let echoCancel = "punktfunk.echoCancel"
public static let speakerUID = "punktfunk.speakerUID"
public static let micUID = "punktfunk.micUID"
/// macOS: which input channel of the chosen mic device feeds the host. 0 = "Auto" (sum every
/// channel to mono — a mic on a single input of a multi-channel interface passes at full
/// level); n≥1 pins 1-based input channel n. Multi-channel interfaces expose the mic on ONE
/// discrete channel, and the default N→stereo downmix grabs channels 0/1 (silence when the mic
/// is higher up), so we fold to mono ourselves. Only meaningful for multi-channel devices.
public static let micChannel = "punktfunk.micChannel"
/// LEGACY (2026-07 presentation rebuild — design/apple-presentation-rebuild.md): the old
/// user-visible stage picker's key. No longer read — the presenter is resolved from
/// `presentPriority` below; the stage ladder survives only as the
/// PUNKTFUNK_PRESENTER=stage1|stage2|stage3|stage4 debug env lever. Kept so a synced old
/// value is documented, not mysterious.
public static let presenter = "punktfunk.presenter"
/// The user's presentation intent: "latency" (default — every frame shows as soon as the
/// display can; jitter appears as the occasional repeat/drop) or "smooth" (a small client
/// jitter buffer evens the cadence at the cost of added, visible display latency).
/// Resolved once per session by SessionPresenter — see PresentPriority.
public static let presentPriority = "punktfunk.presentPriority"
/// Smoothness's jitter-buffer capacity in frames: 0 = Automatic (currently 2), or 1…3.
/// Each buffered frame adds ~one refresh interval of display latency and absorbs ~one
/// interval of arrival jitter. Only meaningful when `presentPriority` is "smooth".
public static let smoothBuffer = "punktfunk.smoothBuffer"
/// macOS: V-Sync the stream's presents — each decoded frame flips on the next display vsync
/// (evenly paced, no tearing under direct scanout) instead of as soon as the GPU finishes
/// (lowest latency — the default, OFF). Resolved once per session;
/// PUNKTFUNK_PRESENT_MODE=immediate|vsync overrides it for A/B. See Stage2Pipeline's header.
public static let vsync = "punktfunk.vsync"
/// macOS: present WINDOWED sessions in lockstep with the system compositor (the DCP
/// "mismatched swapID's" kernel-panic mitigation — see SessionPresenter.windowedPresentMode
/// and the MetalVideoPresenter saga notes). ON/unset (the default): windowed presents ride
/// a Core Animation transaction — validated panic-free on the 240 Hz repro machine, at a
/// small display-latency cost vs the raw path. OFF: windowed sessions keep the fast async
/// image queue — ON AFFECTED SETUPS (high-refresh displays) THAT PATH KERNEL-PANICS THE
/// WHOLE MAC, which is why the default is ON. Fullscreen always presents async (fast path)
/// regardless. Resolved once per session; PUNKTFUNK_WINDOWED_PRESENT=async|transaction|
/// surface overrides it for dev A/B.
public static let windowedSafePresent = "punktfunk.windowedSafePresent"
/// Allow variable refresh rate: hand the display link a wide frame-rate RANGE (low floor,
/// preferred = stream rate) so a ProMotion / adaptive-sync display can vary its physical
/// refresh to match the stream. On by default; a no-op on fixed-refresh displays. When off,
/// macOS lets the link free-run at the display's native rate and iOS keeps its proven 30 Hz
/// floor. Read per session/reconfigure by `SessionPresenter.syncFrameRate`.
public static let allowVRR = "punktfunk.allowVRR"
/// Request a 10-bit BT.2020 PQ (HDR10) stream. On by default; only takes effect when the host
/// has HDR content AND this display supports HDR — otherwise the stream stays 8-bit SDR.
public static let hdrEnabled = "punktfunk.hdrEnabled"
/// Request a full-chroma 4:4:4 stream when this device can HARDWARE-decode it (`Stage444Probe`).
/// On by default; only takes effect when the host also opted in to 4:4:4 (otherwise the stream
/// stays 4:2:0). Sharper text/UI at the cost of more bandwidth.
public static let enable444 = "punktfunk.enable444"
public static let hosts = "punktfunk.hosts"
/// How the host grid is ordered (a `HostSort` raw value) and what it's divided by (a
/// `HostGrouping`). Per device, never per profile: it is this device's window on its own
/// list, not something about how a host is streamed.
public static let hostSort = "punktfunk.hostSort"
public static let hostGrouping = "punktfunk.hostGrouping"
/// The settings-profile catalog (`ProfileCatalog`, one JSON blob) — design
/// client-settings-profiles.md §4.2. Lives in the APP GROUP suite with `hosts`, not with the
/// settings: bindings and pins are fields on the host record, and an extension that can read
/// the hosts should be able to read what they point at.
public static let profiles = "punktfunk.profiles"
/// Physical-mouse model (macOS): "capture" (pointer lock + relative, the default) or
/// "desktop" (uncaptured absolute pointer) — the cross-client `mouse_mode`. Replaces the
/// never-shipped "punktfunk.cursorMode" (auto/always/never client-side-cursor setting,
/// which was hidden while disabled and had no readers).
public static let mouseMode = "punktfunk.mouseMode"
/// Invert the scroll-wheel / two-finger-scroll direction sent to the host (both axes). Off by
/// default: the local (natural-scrolling) sign passes through untouched. When on, the sign is
/// negated at the single scroll sink (`InputCapture.sendScroll`), so it flips consistently across
/// the macOS wheel, the iOS trackpad pan, and a GCMouse wheel. For users whose host expects the
/// opposite convention from their local OS preference.
public static let invertScroll = "punktfunk.invertScroll"
/// Location-based modifier mapping (a `ModifierLayout` value, default `.mac`): which Windows VK
/// each PHYSICAL modifier position forwards to the host. `.mac` keeps ⌥ Option → Alt and
/// ⌘ Command → Super/Win (the Apple positions). `.windows` swaps the Alt/Super ROLE between the
/// Option and Command keys — preserving side (L/R) — so the key nearest the space bar acts as
/// Alt and the next one as the Windows key, matching a Windows keyboard's `Ctrl / ⊞ / Alt` row.
/// Only what's FORWARDED changes; client-local shortcuts (⌘⎋ &co.) stay on the physical ⌘ key.
/// Read live at the wire boundary by `InputCapture`. Control/Shift never move (same position on
/// both keyboards).
public static let modifierLayout = "punktfunk.modifierLayout"
/// iPad: capture the mouse/trackpad pointer (pointer lock → relative movement) for games,
/// rather than forwarding an absolute cursor position. On by default. Only meaningful on iPad
/// with a hardware mouse/trackpad; the system grants the lock only to a full-screen, frontmost
/// scene and silently falls back to the absolute pointer when it can't (Stage Manager / Slide
/// Over). Read by `StreamViewController.prefersPointerLocked`.
public static let pointerCapture = "punktfunk.pointerCapture"
/// iPhone/iPad: how touchscreen fingers drive the host — a `TouchInputMode` raw value:
/// "trackpad" (default: relative cursor with tap-click / two-finger-scroll gestures),
/// "pointer" (the cursor jumps to the finger), or "touch" (real multi-touch passthrough).
/// Read live per gesture by `StreamLayerUIView`.
public static let touchMode = "punktfunk.touchMode"
/// Experimental: show the host's game library (browsed over the management API). Off by default.
public static let libraryEnabled = "punktfunk.libraryEnabled"
/// macOS: take the window fullscreen while streaming and restore it on the host list. On by default.
public static let fullscreenWhileStreaming = "punktfunk.fullscreenWhileStreaming"
/// LEGACY (pre-tiered overlay): the old boolean stats-overlay toggle. Kept ONLY as the
/// migration fallback `StatsVerbosity.current` reads when `statsVerbosity` was never
/// written (absent-or-true → .normal, explicit false → .off). Never written anymore.
public static let hudEnabled = "punktfunk.hudEnabled"
/// The statistics overlay tier — a `StatsVerbosity` raw value ("off"/"compact"/"normal"/
/// "detailed"). Absent → migrated from the legacy `hudEnabled` bool (see above). Cycle it
/// while streaming with ⌃⌥⇧S (the cross-client Ctrl+Alt+Shift+S; macOS / hardware
/// keyboard) or a three-finger tap (touch), matching the Android client.
public static let statsVerbosity = "punktfunk.statsVerbosity"
/// Which corner the statistics overlay sits in — a `HUDPlacement` raw value
/// ("topLeading"/"topTrailing"/"bottomLeading"/"bottomTrailing"). Default top-trailing.
public static let hudPlacement = "punktfunk.hudPlacement"
/// iOS/iPadOS/macOS: switch the host list, settings and game library to a controller-friendly
/// layout (the console launcher, gamepad-navigable settings, a coverflow-style library)
/// whenever a gamepad is connected. On by default; see `GamepadUIEnvironment.isActive`.
public static let gamepadUIEnabled = "punktfunk.gamepadUIEnabled"
/// iPhone: ALSO play the rumble the host addresses to controller 1 (wire pad 0) on this
/// device's own Taptic Engine — for phone-clip pads that ship without rumble motors, where
/// the phone body is the only actuator in the player's hands. Off by default (opt-in); read
/// once per session by `GamepadFeedback`. The toggle is shown only where the device actually
/// has a haptic actuator (no iPad/Mac/TV).
public static let rumbleOnDevice = "punktfunk.rumbleOnDevice"
/// Auto-wake on connect: when connecting to a saved host that isn't advertising on mDNS, fire
/// Wake-on-LAN and, if the dial fails, wait for it to come back before retrying (the "Waking…"
/// overlay). On by default. Turn off if a host that's already on just isn't seen on mDNS (a
/// routed/VPN host), so connects go straight through instead of waiting out the wake timeout.
/// The explicit "Wake Host" action stays available regardless. Read by ContentView.startSession.
public static let autoWake = "punktfunk.autoWake"
/// iOS/iPadOS: keep a streaming session ALIVE when the app is backgrounded (audio background
/// mode). Off by default (today's freeze-on-background is the default). When on, backgrounding a
/// live session keeps audio playing and the QUIC/pump live while DROPPING video decode, and a
/// bounded timer (`backgroundTimeoutMinutes`) auto-disconnects if the user doesn't return. Read
/// by ContentView's scenePhase driver. Hidden on tvOS/macOS.
public static let backgroundKeepAlive = "punktfunk.backgroundKeepAlive"
/// iOS/iPadOS: minutes a backgrounded keep-alive session runs before auto-disconnecting (a
/// battery/thermal/bandwidth backstop). Default 10; the UI offers 1/5/10/30. The auto-disconnect
/// is non-deliberate (host linger kept), so a late return reconnects fast. Read on enterBackground.
public static let backgroundTimeoutMinutes = "punktfunk.backgroundTimeoutMinutes"
}
extension Notification.Name {
/// Posted by the app's Stream menu ("Release Mouse", ⌃⌥⇧Q): the key window's stream view
/// releases input capture if it holds it. Only reachable while NOT captured (a captured
/// session swallows the combo in InputCapture's monitor and the frozen cursor can't click
/// menus) — it exists so the menu item is honest whenever it CAN fire, and as the shortcut's
/// discoverable menu-bar surface.
public static let punktfunkReleaseCapture = Notification.Name("io.unom.punktfunk.release-capture")
/// Posted by the app's Stream menu ("Toggle Fullscreen", ⌃⌘F) and by InputCapture's monitor
/// when the same combo fires while input is captured (the menu key-equivalent never reaches a
/// captured stream view). The key window's `FullscreenController` flips the window's fullscreen
/// state. macOS only.
public static let punktfunkToggleFullscreen = Notification.Name("io.unom.punktfunk.toggle-fullscreen")
/// Posted by InputCapture's chord path (⌃⌥⇧A) when the combo fires while input is CAPTURED —
/// the state in which the Stream menu's identical key equivalent never reaches the app. The
/// live session's owner (ContentView) flips the session's mic mute. Released, the menu item
/// handles the same combo directly; both end at `SessionModel.toggleMicMute`.
public static let punktfunkToggleMicMute = Notification.Name("io.unom.punktfunk.toggle-mic-mute")
/// Posted by the Live Activity's / Shortcuts' End-stream intent (`EndStreamIntent.perform`,
/// which runs in the app's process): the app tears the active session down deliberately
/// (quit-close the host). Same cross-process-signal pattern as `punktfunkReleaseCapture` —
/// the intent lives in PunktfunkShared and can't reach the app's `SessionModel` directly.
public static let punktfunkEndActiveSession = Notification.Name("io.unom.punktfunk.end-active-session")
/// Posted by the Connect App Intent (Siri/Shortcuts) with a `punktfunk://` URL as `object`:
/// the app routes it through the SAME `.onOpenURL` handler a widget tap uses (one router, one
/// set of guards). The intent uses `openAppWhenRun`, so the app is foregrounded to receive it.
public static let punktfunkOpenDeepLink = Notification.Name("io.unom.punktfunk.open-deep-link")
}