Commit Graph
626 Commits
Author SHA1 Message Date
enricobuehler a10bde39bb feat(android): declare pad-audio caps and take tier-A pads off wire rumble
The two things that decide whether WP9 does anything at all on a device, both
failing silently rather than loudly if missed.

**Capability bits.** The host emits 0xD1 only toward pads that declared they can
render it (arrival flags 8/9). Without `set_pad_audio_caps` the renderer would
sit on a permanently empty plane and look like a decode bug. Declared when the
stream opens, withdrawn when it stops.

**Rumble arbitration.** `valid_flag0` bit 1 (HAPTICS_SELECT) *disables* audio
haptics and selects classic rumble, and `DsDevice` sets it on every rumble write
— as Linux's hid-playstation and SDL both do. One replayed rumble command would
mute the voice coils the 0xD1 stream is driving, for the rest of the session.
Tier A and tier C are mutually exclusive in the pad's firmware, so the
arbitration selects and never blends.

Suppression sits at `nativeNextRumble`, the pull point, rather than in Kotlin:
it keeps the rule next to the reason and covers every caller. The registry is an
atomic bitmask because the reader is the rumble poll thread and must not block
behind a start/stop on the JNI thread.

Order matters on teardown: the capability is withdrawn before the pad returns to
wire rumble, so the host has stopped sending 0xD1 before tier C resumes and the
two never overlap.

`nativeStartPadAudio`/`nativeStopPadAudio` now take the wire pad index, since
both the capability and the arbitration are per-pad. Out-of-range indices are
rejected rather than wrapped into another pad's slot.

12 host tests (2 new, including one pinning that an out-of-range index cannot
shift the mask into undefined territory), 0 clippy findings, check clean on all
three Android ABIs.
2026-08-02 23:44:51 +02:00
enricobuehler b5f91d50bb feat(android): tier-A pad audio — the 0xD1 plane on the pad's USB endpoint (WP9)
The Android twin of `pf-client-core`'s pad_audio: drain the host's per-pad
DualSense streams, Opus-decode haptics (kind 0) and speaker (kind 1), interleave
into the pad's own 4-channel layout, and render on the pad itself.

Every other client hands that stream to the platform's audio graph. Android
cannot: AOSP's UsbAlsaManager denylists the DualSense's output by VID/PID, so
the kernel enumerates the pad's playback node and the framework discards it —
`hasOutput: false`, nothing for setPreferredDevice to target, /dev/snd closed by
SELinux, and UsbRequest rejects non-bulk/interrupt endpoints. So this drives the
pad's isochronous endpoint directly via uac-host on the descriptor Java owns.

That is measured, not assumed. On a Nothing Phone (3): the claim succeeds
unprivileged, the gamepad and the pad's microphone both keep working, and the
underrun-free floor is 4 ms — holding under eight-core load with the SoC in
severe thermal throttling. The renderer runs at 6 ms, one step of headroom,
because the same measurement found transient events that are not depth-dependent.

Structured to the crate's own convention: the mixer and PLC are ungated so they
compile and unit-test in the host workspace (8 tests), while everything touching
an Android-only dependency is cfg'd to android. Two details worth review:

- The kinds arrive on different cadences (5 ms vs 10 ms), so each has its own
  write cursor and both shift together on overflow — a haptics-only session
  renders with a silent speaker pair instead of stalling on a kind that will
  never arrive, and the two can never skew.
- An unrecognised kind is dropped rather than folded into the coil pair. A
  `min(1)` clamp would have rendered a future kind straight into the actuators.

Lifecycle mirrors MicCapture: dropping the handle joins the thread, and
nativeStopPadAudio returns only once it has, so Kotlin may close the
UsbDeviceConnection as soon as it returns and not before.

usbfs-iso/uac-host enter as git dependencies pinned by revision — a transport
under a real-time deadline should move when we choose. They become version
dependencies once published to crates.io.
2026-08-02 23:39:25 +02:00
enricobuehlerandClaude Fable 5 ed3d236ab8 feat(pad-audio): DualSense audio haptics + speaker, host->client end to end
The 0xD1 pad-audio plane streams a DualSense's voice-coil haptics (back
channel pair, 5 ms Opus frames) and speaker (front pair, 10 ms) per pad from
a Windows host to the SDL clients, which render them into a USB DualSense's
own 4-channel audio device.

Wire (punktfunk-core, ABI v15): PAD_AUDIO_MAGIC 0xD1 [pad][kind][seq][pts]
[opus]; CLIENT_CAP_PAD_AUDIO 0x04 / HOST_CAP_PAD_AUDIO 0x20; per-pad render
capability rides GamepadArrival flags bits 8/9, sent only toward a host that
advertised its cap so old hosts see byte-identical arrivals; silence is a
frozen seq (mic-mute discipline), loss is a seq gap concealed via
AudioGapTracker. HidOutput::AudioCtl (0xCD kind 0x06) forwards the 0x02
report's audio-control bytes 5..=10 change-only, value-deduped, with a
once-per-pad "title asserted haptics-select" diagnosis log.

Windows host endpoint provider (audio/windows/pad_endpoint.rs): per-pad
render endpoints are additional devnode instances of Valve's Steam Streaming
Speakers driver (SetupDiRegisterDeviceInfo, NOT the class installer - it
needs an interactive window station), stamped with DualSense identity: desc
"Wireless Controller", device name "DualSense Wireless Controller",
ContainerId = the virtual pad's PFDS GUID, 4ch/48k format triplet.
IPropertyStore route first, ACL-repaired registry fallback (the MMDevices
keys deny writes even to SYSTEM; the owner's implicit WRITE_DAC + an ACE for
S-1-5-18 resolved by SID is the way in). Provisioned at host startup
(PUNKTFUNK_PAD_AUDIO, PUNKTFUNK_PAD_AUDIO_SLOTS, default 1), idempotent via
a persisted PunktfunkPadIndex marker; pad endpoints are structurally
ineligible for the mic/loopback wiring plan and guarded against default-
device theft; capture is WASAPI loopback on the stamped endpoint. Devtest:
punktfunk-host pad-endpoint ensure|remove|status.

Host service (native/pad_audio.rs): per-(session,pad) thread, loopback 4ch
-> pair splitter -> per-kind stereo Opus (48k LowDelay CBR 64k) -> per-kind
silence gate (opens at peak>=1e-3, 250 ms hangover, gated = no send + frozen
seq) -> datagrams. Spawned from the native input pump when a DualSense/Edge
arrival carries audio bits and both caps negotiated; idempotent re-arrivals;
reaped on remove and teardown.

Client tier A (pf-client-core/pad_audio.rs): settings pad_haptics (default
on) and pad_speaker (default "pad"); tier A = wired USB DS5/Edge via SDL
connection state with an audio-sibling fallback; correlation maps the SDL
HID path to the pad's own render endpoint (Windows: ContainerId match +
4ch gate via registry; Linux: Sony sink signature); renderer decodes both
kinds into a quad interleave and plays it on the pad's endpoint (WASAPI
autoconvert / PipeWire target.object, 240-2400 frame ring floor,
dont-reconnect so an unplug never re-routes haptics to the desktop
speakers). SDL's DualSense driver sets "disable audio haptics" whenever it
drives rumble emulation, so tier-A pads suppress wire rumble and send one
cleared-enable-bits effects packet to keep the actuators live; AudioCtl
bytes fold back into the effects packet at report-minus-one offsets.

Verification: punktfunk-core 265 tests (macOS) + clippy -D warnings (mac +
Linux docker); pf-inject 85 tests (Linux docker); punktfunk-host cargo
check + clippy + 19 pad tests + 46 audio-module tests (Windows box);
pf-client-core 30 tests + clippy (Linux docker CI image) + cargo check
(Windows box); punktfunk-client-session clippy (Linux) + check (Windows);
cargo fmt --all --check clean on the final tree. NOT yet verified: any
on-glass run (host deploy + real title + physical pad), the stamp-route
split at runtime, exclusive-mode Initialize isolation, Linux-host emission
(the per-pad PipeWire sink is not in this change - Windows hosts only).
Scope excluded deliberately: tier B (Apple CoreHaptics) and tier C
(haptics->rumble derivation), pad_speaker="mix", Android leg, settings UI
surfaces (keys are serde-defaulted), GameStream-plane arrivals (audio_caps
always 0 there).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 12:07:06 +02:00
enricobuehlerandClaude Opus 5 43e3c7b69f feat(ci/android): play-upload can attach release notes and promote a build
Two things it could not do, both needed now that a tag ships to production.

Release notes: it never sent `releaseNotes`, so Play's "What's new" was whatever
the previous release said. It now takes --release-notes-file, and refuses text
over Play's 500-char-per-language cap with the actual count — that check has to
happen before the upload, because the API only rejects it at commit, by which
point the AAB is already on Play.

Promotion: --promote assigns a versionCode that is already on Play instead of
uploading, so what reaches production is the byte-identical artifact the testers
ran. Rebuilding would mint a fresh versionCode from possibly-newer sources and
ship something nobody tested. --promote-from asserts the code really is on that
track (a typo'd versionCode now fails before it touches production) and clears
that track in the SAME edit, so the build is never active on both at once.

--user-fraction comes along because --status inProgress is an API error without
it; it is validated as strictly between 0 and 1 rather than left to Google.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-01 09:29:04 +02:00
enricobuehler 2d3f9f8690 Merge remote-tracking branch 'origin/main' into audio/mic-latency-echo
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2026-08-01 00:54:20 +02:00
enricobuehler 951bcec650 Merge remote-tracking branch 'origin/main' into audio/mic-latency-echo 2026-08-01 00:47:50 +02:00
enricobuehlerandClaude Fable 5 badda070ef docs(android): the stats-array KDoc counts the doubles it actually returns
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nativeVideoStats grew to 33 with the decode split and the overflow counter, but
its own KDoc still promised 30 and StatsOverlay still said 26 — a count that
was already two extensions stale before this one. Both now list the full index
set, with the JNI KDoc named as the authoritative one so the next extension has
a single place to update.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:47:04 +02:00
enricobuehlerandClaude Fable 5 f9c56eaf5c feat(android): Automatic prefers AV1 where the silicon says it should
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The P3 format A/B (NP3 ↔ RTX 4090, identical conditions) measured AV1 ~1.2 ms
faster end-to-end than HEVC with slightly better codec-pure decode time. Under
"Automatic" the client now sends AV1 as its soft preference when this device
hardware-decodes it (the advertised AV1 bit is already gated on a real,
non-blocked hardware decoder) AND it lacks FEATURE_PartialFrame — a
partial-frame device keeps HEVC, whose slice-progressive overlap AV1 cannot
ride (no slices, the chunked poll never arms). The host honors the preference
only inside its probed shared codec set, so an AV1-less encoder still resolves
HEVC, and an explicit user choice wins unchanged. The codec picker caption
mirrors the same rule so "Automatic" says what it does on this device.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:40:58 +02:00
enricobuehlerandClaude Fable 5 b69ef02f4d fix(android): a cold-start connect no longer loses HDR or the native mode
A punktfunk:// deep link can reach the connect before the activity is attached
to its display; context.display then throws and the display probes silently
fell to their worst answers — displaySupportsHdr advertised SDR (the whole
session pinned to 8-bit BT.709) and nativeDisplayMode fell back to 1080p60.
Seen live on the NP3: one cold connect advertised hdr=false, the warm retry
true, nothing in the log either way.

Both probes now share probeDisplay: the context display when attached, else
DisplayManager DEFAULT_DISPLAY — which IS the panel on phones and TVs; the
activity-display distinction only matters on multi-display setups, where the
attached path still wins whenever available. Each fallback leg logs itself, so
a downgraded session can never again be silent about why.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:40:58 +02:00
enricobuehlerandClaude Fable 5 849baea881 feat(android): the stream re-votes its refresh rate and touches keep their curvature
surfaceChanged re-asserts the frame-rate vote (FIXED_SOURCE; ALWAYS only on the
TV low-latency path, mirroring the native hint) — a buffer-geometry change on
some OEM builds silently drops the 120 Hz pin mid-stream. Touch passthrough and
direct-pointer moves forward the MotionEvent historical samples before the
current point, so a fast swipe lands with its real shape; the trackpad path
keeps summed deltas on purpose — its acceleration curve is tuned for per-frame
dt and historicals would change the feel, not the sum.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:40:58 +02:00
enricobuehlerandClaude Fable 5 c767a904d2 feat(android): the decode stage answers where its time goes, HUD on or off
P3 decode science: every AU is stamped as its last piece enters the codec, so
the decode stage splits into feed (received→queued: hand-off + input-slot wait)
and codec (queued→decoded: the decoder alone — a slice head start would show
here). The split + an always-on capture→decoded e2e ride the 1 Hz pf-present
line, so a wireless HUD-off A/B reads everything from logcat; the HUD equation
gains the split (indices 30/31), the skipped counter tells benign newest-wins
pacing from parked-AU overflow (32), and a −2-refresh Apple-HUD-equivalent twin
makes iPhone comparisons honest (Apple shaves its OS floor; Android shows raw).

Connect now logs the per-mime decoder picks + FEATURE_PartialFrame verdicts
(tag pf.caps) — on the NP3 all three c2.qti low-latency decoders say no, so
parts delivery never arms and P2d is inert there; a debug.punktfunk.force_parts
sysprop overrides the probe for the on-glass question the API cannot answer.
Forced on glass: c2.qti accepts PARTIAL_FRAME pieces without erroring but only
assembles them — codec time unchanged, so the overlap is dead on SM8735 either
way.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:40:58 +02:00
enricobuehlerandClaude Opus 5 0985726415 fix(host,web): an empty update channel stops looking like a broken host
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A channel nobody has published to answers `manifest.json` with a 404, and the
check reported that the same way it reports a dead registry or a bad signature:
"Last check failed: feed returned HTTP 404". Every host on the stable channel
shows it today, because the stable manifest only publishes when someone
dispatches `announce` for a release tag — so the first thing an operator sees
from the new Updates card is a red failure caused by nothing being wrong.

The shared checker now distinguishes the two. `feed::fetch_manifest_blocking`
returns a typed `FeedError` instead of a string, and only a 404 on the manifest
ITSELF becomes `NotPublished` — a 404 on the detached signature still fails
loudly, because that is the half-published pair the manifest-then-signature
upload order can produce, and it must stay fail-closed.

The host carries that through as `UpdateStatus.not_published`, mutually
exclusive with `last_error`. It is benign only while no manifest has ever been
seen for the channel: once a check has succeeded, the same 404 means the feed
LOST a document it used to serve, which stays an error. The console then shows a
plain sentence naming the channel instead of the failure banner, and "None
published yet" rather than "Not checked yet".

The Linux client makes the same distinction but deliberately NOT the same
choice: `--check-update` keeps exiting 1 and keeps `error` set, because its
consumer is a shell script and an empty channel is the absence of evidence that
this build is current — not a confirmation that it is.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-01 00:37:56 +02:00
enricobuehlerandClaude Fable 5 a7143a6510 Merge origin/main into audio/mic-latency-echo
Main moved through the same surfaces while the audio work was in flight, so
three files needed hand-resolution:

- clients/windows/src/app/settings.rs — main gave Windows its speaker and
  microphone endpoint pickers, the gap this branch could only report. Both
  keep their rows: the pickers, then Echo cancellation, and the microphone
  description keeps the sentence naming the mute chord.
- crates/pf-console-ui/src/screens/settings.rs — both sides grew the couch
  row list. Main's seven new rows and Echo cancellation are all reachable
  in Gaming Mode; the count is 22 and the rationale comment names echo
  cancellation among the fields that would otherwise be unreachable there.
- crates/pf-presenter/src/run.rs — both sides added a stats test at the same
  line. Both are kept.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:04:34 +02:00
enricobuehlerandClaude Opus 5 43a631ea9c fix(clients): a host that re-keys stops locking the client out for good
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Reinstall a host, wipe its ProgramData, or otherwise regenerate its identity,
and the desktop clients refused it forever: "Host identity rejected — wrong
fingerprint, or the host requires pairing", including immediately after a
successful re-pair. There was no way out of it from the UI — the host list
showed two cards for one address and forgetting the wrong one was a guess.

`KnownHosts::upsert` matches on the FINGERPRINT, which is what lets a host that
moved address keep its record and everything the user set on it. A host that
changed identity matched nothing, so pairing appended a SECOND record for an
address that already had one, and `find_by_addr` returned whichever came first
in the file — the dead one, every time.

Trust decisions (PIN ceremony, delegated approval, TOFU accept, headless pair —
all funnelled through `persist_host`, plus the Windows shell's two direct
upserts) now go through `upsert_trusted`, which retires any OTHER record for
that address. Retired means DELETED, not demoted: a record whose certificate
the host no longer holds cannot connect, so keeping it only reproduces the two-
cards-one-address confusion this fixes. What described the box rather than the
identity — its MAC, its OS chain, the bound profile, the pinned cards, when it
was last used — moves onto the record that survives, so a reinstall doesn't
quietly cost the user their setup. What described the dead identity does not:
`paired` and `clipboard_sync` are decisions about one specific certificate and
have to be made again for a new one, and the retired record's stable id stays
retired (a deep link written from it falls through to the `host=` recovery the
link grammar already specifies).

Only trust decisions may retire a record. The wake path's address re-key and
every learn-from-advert path stay on plain `upsert`: those are driven by
unauthenticated mDNS, and letting an advert delete a saved host by claiming its
address would trade this bug for a much worse one. A plain reconnect still
fails closed on a pin mismatch — nothing here changes what the pin is checked
against.

Stores that already hold the duplicate recover on the next connect, not at
load: which of two records is live isn't knowable at load time and guessing
wrong would throw away the good one. Instead `find_by_addr` stops being
positional — a real fingerprint beats a placeholder, and among real ones the
newest trust decision wins, since records are only ever appended by one. The
next successful pair then cleans the store up for good. Every lookup that picks
a pin or a per-host decision for a connect now goes through it (the session's
pin and clipboard read, the deep-link resolver, orchestrate's plan, both speed
tests, the CLI's --wake and --library, which had also been ignoring the port),
and an advert's learned MAC/OS lands on the record it identified rather than on
a stale namesake that merely came first.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-01 00:00:49 +02:00
enricobuehlerandClaude Fable 5 8e877ad25f fix(android): a mute is a pause, not a hole the host tries to conceal
The Android uplink kept advancing `seq` while muted, so the first frame
after an unmute looked to the host like loss the width of the mute. The
de-jitter reads that as a gap: up to five concealment frames of stale
voice, and a seq gap counted in the uplink-health line. Past 600 ms the
pump's stale flush resets the chain first and hides it, which is why the
usual long mute looks fine — a quick toggle does not.

Freeze `seq` while muted, as the desktop uplink already does, so the
frame after an unmute continues the chain. `reset_stream` says it
plainly: a pause is not loss, and must not conceal or count a gap.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 23:15:03 +02:00
enricobuehler 0c4a543831 Merge branch 'audio/desktop-mute-and-aec-toggle' into audio/mic-latency-echo 2026-07-31 23:14:09 +02:00
enricobuehler 4c98e2f788 Merge branch 'audio/android-mic-mute' into audio/mic-latency-echo 2026-07-31 23:14:09 +02:00
enricobuehlerandClaude Fable 5 7ec3107b4a feat(client): the mic has an off switch, and echo cancellation has a switch too
Ctrl+Alt+Shift+V mutes and unmutes the microphone mid-stream — V for
voice, since M and S were taken. The uplink keeps running while muted:
`MicStreamer::spawn` takes a shared AtomicBool the capture callback reads
every quantum, and a muted callback drains whole frames and sends
nothing. Stopping the stream instead would have re-primed the device
buffers and, on Linux, re-run source selection on every unmute — a
second of glitch for a key people press mid-sentence. The sequence
counter deliberately does NOT advance while muted, so the host sees one
continuous sequence with a pause rather than a gap the size of the mute,
which its de-jitter would try to conceal frame by frame (its 600 ms
stale-flush covers the rest).

The mute lives on SessionHandle as a MicControl with two flags, not one:
`live` is raised by the pump only once the uplink is actually running, so
a session with the mic off in Settings — or whose capture device wouldn't
open — reports "nothing to mute", the chord says so in the log, and no
indicator appears. Per session, never persisted.

Muted state draws as a persistent "Microphone muted" badge in the stream's
top-right corner, off `FrameCtx::mic_muted` rather than the stats text: it
has to be there with the stats overlay Off, which is where most people
leave it. The Detailed mic line still reads throughput, so it simply falls
to zero — the badge is what answers "am I muted".

Echo cancellation stops being an env-only lever. `Settings::echo_cancel`
(default on, `#[serde(default)]` so every stored file loads with it on)
now gates the same hooks PUNKTFUNK_NO_AEC gated: the echo-cancelled
PipeWire source preference and WASAPI's Communications stream category.
The env var still wins, one-way — it can only turn AEC off, never back on
— and both `aec_enabled` helpers say so. The row ships in the GTK, WinUI
and console settings, under the microphone toggle and greyed out while it
is off, matching what Apple and Android shipped in wave 1.

SettingsOverlay grows `echo_cancel` as a first-class field — apply,
absorb, clear, is_empty — instead of riding the `extra` passthrough, where
`clear_override("echo_cancel")` answered false. The JSON key is the one
Apple and Android already write, so one catalog round-trips through all
three.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 23:07:30 +02:00
enricobuehlerandClaude Fable 5 253e0bbe7c feat(android): the mic has an off switch you can reach mid-stream
Wave 1 gave the Android client a mic worth using. It gave it no way to stop
talking: leaving the stream, or digging through Settings to turn the whole
feature off, were the only ways to stop the room being heard. Now a tap (or
Select + Y on a pad) mutes it, and the screen says so while it lasts.

How muting gates the capture, and why that way. The AAudio input stream is
never stopped: a stop/start would re-run the input-preset fallback ladder and
re-prime the buffers on every toggle — hundreds of milliseconds, and possibly
a landing on a different rung, silently losing the HAL echo canceller wave 1
went to some trouble to get. Instead the encode loop reads an AtomicBool per
10 ms frame and, while it is set, drains the frame out of its ring and drops
it there — the last point before it would have become an Opus packet. Nothing
is encoded, nothing is sent, and the realtime capture callback is untouched,
so its allocation-free discipline and the queue policy stay exactly as wave 1
verified them. A toggle costs one atomic store and takes effect on the next
10 ms boundary.

The frame counter keeps advancing across a mute, because it numbers the
captured 10 ms TIMELINE rather than the datagrams. The gap the host then sees
is exactly the audio that never came: its de-jitter conceals at most a few
frames of it before the pump's 600 ms stale-gap flush resets the chain
outright, which is the right reading of a mute. Encoding silence instead
would have kept a pointless uplink and a host-side ring alive for its whole
duration.

Mute is per session and nothing is persisted — a new stream always starts
unmuted, and no new setting exists. The flag lives on the session handle
rather than on the capture, so the mic stop/start a surface recreate performs
brings the user's choice back with it, with no window in which the fresh
capture could send an unmuted frame.

The control is offered on the evidence that a capture is actually running
(nativeMicActive), not on the setting: with the mic disabled, RECORD_AUDIO
denied, or every AAudio input rung refused, there is nothing on screen to
lie about. On touch it is a pill in the corner the stats HUD doesn't use —
the one in-stream control, so it sits above the gesture layer to take its own
taps — dim while live, a red "Muted" badge while it isn't. On TV that badge
is the indicator alone: Select + Y is the control there, and a focusable
button would fight the game for the D-pad. Y is deliberately not one of the
exit chord's buttons, so neither chord can be reached through the other.

One honest consequence of keeping the stream open: the platform's recording
indicator stays lit while muted, because the mic really is still open. What
stops is the encode and the send.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 22:41:09 +02:00
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
enricobuehler 41e7035441 Merge branch 'audio/apple-mic' into audio/mic-latency-echo 2026-07-31 22:12:52 +02:00
enricobuehlerandClaude Fable 5 2ce0bea830 feat(client): desktop phase-locked capture, a real display volume on Windows, and the console's missing rows
The cross-platform half of the gap sweep:

* Phase-locked capture reaches the DESKTOP clients (it shipped on
  Apple/Android only, though the desktop presenter has the best latch
  signal of all — true on-glass stamps via VK_KHR_present_wait). The
  presenter's 1 Hz fold publishes a latch grid (anchor = last on-glass
  instant; period = min positive present spacing, capped by the display
  mode's refresh so an arrival-paced sub-panel-rate stream can't claim a
  slower grid); the session pump folds every AU's arrival stamp against
  it with the SHARED `phase::circular_latch` statistic and sends the
  ~1 Hz PhaseReport (1 ms uncertainty — reference-client parity). The
  cap is advertised only when present timing is real
  (`VulkanDecodeDevice::present_timing` gates `SessionParams::phase_lock`),
  and the host's applied grid offset from the 0xCF tail is logged so an
  on-glass run can watch the controller engage.
* `Hello::display_hdr` stops being hardcoded `None`: Windows reads the
  panel's colour volume from DXGI (`IDXGIOutput6::GetDesc1`, the
  `--window-pos` output else the primary, advanced-color outputs only,
  gated on the HDR setting) so the host's virtual-display EDID matches
  the real glass. Linux keeps the EDID defaults — no portable
  Wayland/X11 query exists — and the comment now says exactly that.
* The console settings screen (the ONLY editor in Gaming Mode) learns
  the rows it was missing: render scale, full chroma 4:4:4, invert
  scroll, capture system shortcuts, fullscreen-on-stream, auto-wake and
  the game-library toggle.
* A spec-run session's device picks (GPU adapter, speaker, microphone)
  now come from the `--resolved-spec` instead of a raw Settings load —
  the last store read the spec path still owed (§5), and what would
  make those fields profileable.
* `session_args()` documents why the GTK/CLI spawners pass no
  `--window-pos` (Wayland exposes no global coordinates to read and SDL
  can't apply them).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 22:05:24 +02:00
enricobuehlerandClaude Fable 5 fd75e66041 feat(windows): the shell spawns from the shared brain, and links, tests and pairing stop losing things
Windows-shell parity gaps from the 2026-07-31 sweep, closed:

* The spawner goes through the shared brain: `ConnectPlan::for_target` →
  `session_args()` + a written `--resolved-spec`, replacing the
  hand-assembled argv that meant Windows sessions ALWAYS took the compat
  path (re-resolving every setting from the stores — the drift
  orchestrate.rs documents as a trap) and that any field added to the
  spec was silently Windows-dead. Fullscreen now comes from the plan's
  effective settings (profile-aware) instead of a caller argument, the
  spec temp file is cleaned up at exit, and the reader finally parses
  the `{"window":…}` line so the SPAWNER persists the match-window size
  (§5) instead of the renderer's load-modify-save fallback.
* A deep link to an unpaired host runs the trust ceremony instead of
  refusing: the Pair screen opens seeded with what the link CLAIMED —
  name shown as claimed, fingerprint carried, and the launch/profile
  surviving the detour (`Target` grew a `launch` field for exactly
  this). GTK parity; a shared link was a dead end here before.
* The speed test learns the Ask tier: a bound host whose profile
  INHERITS bitrate now offers both "Set as default" and "Set in
  profile" instead of silently creating a profile override. The global
  write (and the forwarded-controller handler) also rebase on the file
  before their whole-struct saves — two more stale-snapshot writers.
* The Controllers card shows the detected-pad inventory (read-only,
  with the Steam-Input-virtual note) — the fastest answer to "is my
  controller even detected?", present on GTK all along.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 22:05:05 +02:00
enricobuehlerandClaude Fable 5 f3e122b0d0 feat(apple): the mic hears you, not the game — voice processing joins the engines
The Apple client on a loudspeaker was the primary reported echo source:
two AVAudioEngines by design (arbitrary mic/speaker pairs, two clocks)
meant no unit ever saw render and capture together, which is exactly
what setVoiceProcessingEnabled needs. With the mic enabled and the new
"Echo cancellation" toggle on (both defaults), playback and capture now
share ONE engine with the system voice processor engaged — AEC, noise
suppression and AGC — and the input node's other-audio ducking pinned
to .min with advanced ducking off, because this is a game stream, not a
call: the host's audio must never dip under the outgoing voice.

The two-engine path survives where it is the right answer: echo cancel
off, macOS sessions with a hand-picked speaker/mic UID or input channel
(the voice processor only follows the system default devices, and its
capture side is its own mono mix — a per-channel pick can't survive
it), and any machine whose voice processor refuses to engage. Every
failure falls back to a working configuration rather than silence. The
capture chain reads the input format after the processor is enabled,
so its mono/lower-rate output flows through the existing converter
unchanged; a first-run permission grant swaps the playback-only engine
for the combined one in place, reusing the same jitter ring and drain
thread; background mic muting mutes the processor's input instead of
pausing the shared engine (playback keeps running).

echo_cancel rides the full settings plumbing micEnabled has — defaults
key, effective settings, profile overlay (serialized as `echo_cancel`;
the Rust catalog carries it via unknown-key passthrough until it grows
the field), a captioned toggle beside the Microphone row, and a gamepad
settings row. tvOS behavior is untouched (playback only, as before).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:58:31 +02:00
enricobuehlerandClaude Fable 5 e54258b8ac feat(apple): the mic uplink drops to mono 10 ms packets and stops shoveling its FIFO
The capture path carried three latencies that had nothing to do with the
network: a 2048-frame tap request (42.7 ms bursts before the first
sample could even be sliced), 20 ms Opus framing, and a mono signal
duplicated into both stereo channels because the encoder was configured
like the downlink. CoreAudio's Opus encoder takes mFramesPerPacket=480
and mChannelsPerFrame=1 just fine — probed empirically: the converter
truly emits 10 ms mono CELT packets (TOC config 30), one per 480-frame
chunk, and the stereo-shaped decoder upmixes them with the tone intact —
so the uplink now asks for 10 ms tap buffers and encodes 48 kbps mono
10 ms packets, with 960 kept only as an init-time fallback. The host
decodes any Opus frame ≤120 ms, so nothing changes on the wire's far
end.

The tap thread also stops burning cycles per callback: the mono fold and
resampler scratch buffers are allocated once (regrown only if a larger
device quantum ever arrives), and the chunk slicer walks a head index
instead of removeFirst — which memmoved the entire backlog for every
packet on a render-adjacent thread. iOS additionally asks the session
for 5 ms IO quanta at 48 kHz when the mic is on (best-effort; the
hardware decides).

Verified: swift build (macOS arm64), swift test OpusCodecTests +
AudioChannelFoldTests, and an iOS arm64 cross-build; the 480/mono
behavior confirmed by TOC inspection on macOS 15.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:57:48 +02:00
enricobuehlerandClaude Fable 5 a681de7e5c feat(android): the mic goes through the echo canceller, and the host stops hearing itself
The capture stream opened under AAudio's default VoiceRecognition input
preset, which deliberately bypasses the HAL's acoustic echo canceller —
so a phone playing the game audio out of its own speaker fed that audio
straight back to the host. Two layers fix it, both behind a new "Echo
cancellation" setting (default ON, next to the Microphone toggle in the
touch and console settings, per-profile like every tier-P setting):

- Native: the mic opens under the VoiceCommunication preset (HAL AEC/NS
  on the capture path) and allocates an audio session id. The open
  ladder is Exclusive+voice → Shared+voice → Exclusive → Shared — some
  HALs refuse the preset or a session id outright, and a mic without
  echo cancellation still beats no mic; the last rungs are exactly the
  preset-less open this always did.

- Kotlin backstop: nativeStartMic now returns the allocated session id
  (0 = none), and StreamScreen hangs the Java AcousticEchoCanceler +
  NoiseSuppressor off it (guarded by isAvailable), releasing them on
  every mic-stop path — the surface teardown and the final dispose — so
  a surface recreate re-attaches instead of leaking effect engines.

The playback stream is untouched: retagging it voice/communication
would route it through the phone-call chain and regress quality.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:53:01 +02:00
enricobuehlerandClaude Fable 5 a7d4213778 feat(android): the mic uplink drops to mono 10 ms frames, and stops hoarding stale audio
Latency, three ways, all inside mic.rs:

- 48 kHz stereo 20 ms becomes mono 10 ms: speech gains nothing from a
  second channel, the shorter frame shaves a buffering interval off the
  uplink, and the host already decodes any Opus frame <= 120 ms with its
  stereo decoder (mono packets upmix) — no protocol change. The encoder
  follows: 48 kbps, complexity 5, in-band FEC at an assumed 10% loss so
  a dropped datagram reconstructs from its successor instead of a hole.

- The latency ratchet is gone: the capture callback drops the NEWEST
  chunk when the hand-off channel fills, so an encode-side stall used to
  convert into standing mic delay that never drained. The encode loop
  now drains the whole backlog in one lump and, past ~60 ms, jumps to
  the newest ~20 ms (one audible blip, live again), counting what it
  shed in the periodic log line. The realtime callback stays exactly as
  allocation-free as it was.

- The encode thread registers with the client's hot-thread set, so the
  ADPF session keeps mic encode on a fast core alongside audio decode.

No .frames_per_data_callback() pin: AAudio's own docs say leaving it
unset is the lowest-latency path (the callback runs at the device's
optimal burst), and the encode side re-chunks to 10 ms frames anyway.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:46:44 +02:00
enricobuehlerandClaude Fable 5 698925a036 fix(clients): settings saves stop reverting each other, Windows gets audio pickers, and a game link launches its game
The rest of the client-gaps handoff, plus what a parity sweep surfaced:

* Every whole-file settings save rebases on the file first — the GTK
  dialog close and its two speed-test apply arms, the Windows
  per-control commit, the console screen. The file has five writers and
  no merge (profiles.rs documents the debt); saving a shell-lifetime
  snapshot silently reverted whatever another writer stored meanwhile,
  most visibly the spawner-persisted match-window size (item 4).
* Windows honors the Speaker/Microphone picks: `audio_wasapi` grows
  endpoint enumeration (on its own MTA thread — UI threads are STA) and
  resolves PUNKTFUNK_AUDIO_SINK/SOURCE as endpoint ids, falling back to
  the default when the picked device is gone; the settings page gets
  the two rows (defaults scope, "(not detected)" like the GPU row).
  `speaker_device`/`mic_device` stop being Linux-only fields (item 5).
* A punktfunk:// link with `launch=` opened a plain desktop session on
  Windows — the id was parsed, validated, planned, and dropped at the
  last hop. It now rides `initiate_launch` (plus a waking variant for
  the dial-first path). Linux always forwarded it.
* The console UI offered "VAAPI" on Windows — a dead option there that
  also hid d3d11va, the actual Windows hardware path. The decoder list
  is per-OS now.
* The Windows gamepad picker learns "Steam Deck" (the GTK picker had
  it; the host-side pad has always existed).
* Doc fixes: gpu.rs named a nonexistent env var (PUNKTFUNK_ADAPTER →
  PUNKTFUNK_VK_ADAPTER), and session/Cargo.toml claimed video decode is
  Linux-only while explaining what the ARM64 leg drops.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:21:26 +02:00
enricobuehlerandClaude Fable 5 74863c96b3 feat(client): 4:4:4 can stay on hardware, and the overlay says what you actually got
Two halves of the same honesty problem (client-gaps handoff items 1+2,
done together as the handoff asked).

The presenter learns full chroma: `vkframe_plane_views` accepts the
2-plane 4:4:4 pool formats (8-bit, and the 10-bit 3PACK16 sibling) —
what NVIDIA's Vulkan Video reports for HEVC RExt decode — with the
accepted set extracted into `vkframe_plane_formats` and pinned by a
decision-table test. The CSC shader needed nothing: its 4:2:0 siting
correction already self-disables when the plane widths match. The VAAPI
leg gets the same treatment (NV24 in `drm_fourcc_for` and the dmabuf
import, full-size chroma plane), and the Vulkan decoder's sw-format
gate admits NV24/P410. 3-plane 4:4:4 stays rejected — it needs a third
CSC binding — and demotes cleanly like every other unsupported format.

Design call (the handoff's fork, argued here as requested): (B)+(C),
not (A). No capability probe gates VIDEO_CAP_444 — software decode is
the guaranteed display floor on both OSes (swscale → RGBA), the decoder
ladder demotes on its own, and a probe-gated bit would turn the switch
inert on exactly the boxes that rely on the fallback. What (A) wanted
from a prediction, the overlay now delivers as ground truth:

The Detailed tier prints the encoder's target next to the measured
rate — `19.4 Mb/s · target 20 Mb/s (auto)` — and the resolved chroma,
`4:4:4→4:2:0` when the host declined the ask (mirroring `HDR→SDR`).
The target is live: `NativeClient::current_bitrate_kbps()` mirrors
every BitrateChanged ack, so an Automatic session's ABR re-targets are
visible as they move. This is the figure whose absence let the
settings-drop bug (9c5af8d7) ship four releases — measured goodput
alone cannot distinguish "the encoder is capped at 20" from "my
200 Mb/s grant met a cheap scene".

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:21:10 +02:00
enricobuehlerandClaude Opus 5 9c5af8d7e1 fix(clients): the settings you chose reach the stream again, and four more that never did
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Since spec mode (`f32c3aaa`, shipped in 0.22.0) the GTK shell has handed the session
a `--resolved-spec` built from `Settings::default()`. A session running from a spec
performs ZERO store reads by design, so every stream since has run at the defaults:
`bitrate_kbps: 0` reaches the host, which reads it as its 20 Mbps fallback — the
field report this starts from, "my bitrate seems to be stuck at 20 MBPS" on 0.22.3 —
and with it the resolution, refresh, render scale, codec, decoder, HDR, 4:4:4, audio
channels, mic, touch/mouse mode, invert scroll, stats tier, match-window and gamepad
type. Profiles never applied at all: the spec's `profile` was None, and spec mode
ignores `--profile`. The tell in the wild is that the GPU and audio-device pickers
kept working — the session reads those three off disk into env vars before it reads
the spec.

The plan carried a comment explaining that `settings` "carries only what the argv
needs (the fullscreen flag)". That was true when it was written and stopped being
true one commit later, in another file. `ConnectPlan::for_target` answers that shape
of bug: a front-end holding its own request type resolves through the same helper the
session's compat path uses, so there is no hand-built `Settings` left to go stale.
The GTK shell's `fullscreen_on_stream` parameter goes with it — that is a tier-P
field, and a shell-read global was beating a profile that set it. The Windows shell
was never affected (it spawns with no spec) but had the same fullscreen-vs-profile
bug, so it moves onto the resolver too.

The audit that followed found four more settings stored, rendered in two UIs, and
read by nothing:

- `enable_444` never became `VIDEO_CAP_444`. "Full chroma (4:4:4)" is announced in
  the 0.22.0 notes for Linux and Windows and did nothing on either; only Apple
  advertised the bit. The host already gates it on its own policy, its capturer,
  HEVC and a real GPU probe, and answers the resolved chroma in the Welcome before
  we build a decoder — the client only has to ask. There is no desktop decode probe
  (Apple has `Stage444Probe`), but the presenter bails cleanly on a plane format it
  doesn't know and demotes to software, so the downside is a slow decode, not a
  broken one.
- `session_params` picked the HEIGHT fallback off `settings.width == 0`.
- `cli::exec_session` dropped `--profile` from its forward list, so
  `punktfunk --connect … --profile Work` from a script or a Decky wrapper streamed
  with the host's binding instead.
- `ResolvedSpec::write_temp` named the spec by the SPAWNER's pid alone, so a
  cancelled connect and the retry behind it shared one path — and the first child's
  exit deleted the file the second was still starting up to read.

The regression test asserts the plan carries the profile-overlaid bitrate and that
the spec equals it. On the old code both are 0.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 19:32:51 +02:00
enricobuehlerandClaude Opus 5 fd3c54bd43 feat(client): "Capture system shortcuts" finally decides where Alt+Tab goes
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The toggle has been stored, profileable and rendered in two settings UIs since
profiles landed, and nothing read it. Windows grabbed the keyboard whenever input
was captured, setting or no setting; Linux never grabbed at all, because the grab
sat behind `#[cfg(windows)]` with a comment deferring the compositor story to "the
shells" — which never picked it up.

`Settings.inhibit_shortcuts` now reaches the presenter and gates the grab, on both
platforms. SDL3 already maps `SDL_SetWindowKeyboardGrab` onto
`zwp_keyboard_shortcuts_inhibit_manager_v1` on Wayland and `XGrabKeyboard` (plus
`_XWAYLAND_MAY_GRAB_KEYBOARD`) on X11, so dropping the cfg is the Linux fix.

Capture state still gates it, so releasing input hands the chords straight back,
and the desktop mouse model never grabs. A compositor with no shortcuts-inhibit
global says so once instead of failing silently — at debug under gamescope, which
has no shortcuts to inhibit in the first place.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 19:27:33 +02:00
enricobuehlerandClaude Fable 5 957cf7781c feat(apple): a Pencil near the glass pins the panel at the link ceiling
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UIKit delivers Pencil events at the PANEL's cadence, and the deadline
link's rate hint pins the panel to the stream rate (min = preferred =
stream Hz, deliberately — the anti-idle-stall floor). Net effect: a 60 fps
stream on a 120 Hz iPad silently halved pencil sampling, 8.3 → 16.7 ms per
event batch — exactly the workload (drawing) that feels it most.

FrameRateHint gains a boost that lifts min/preferred to the range ceiling
while a Pencil is in range (hover or contact): PencilStream surfaces
proximity transitions from its emit() choke point, the view controller
debounces release by 2 s (edge-of-canvas hover flicker must not thrash the
link), and Stage2Pipeline/SessionPresenter stage it like the rate hint —
applied from the link's own thread, no-op under arrival/glass pacing.
Presents still pace at stream rate (extra updates vend into the
newest-wins stash), so the cost is empty link wakes scoped to proximity.
pf.present logs engage/release for on-glass verification.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 17:41:46 +02:00
enricobuehlerandClaude Fable 5 7cf71dd218 feat(clients): the Apple deadline presenter reports its latch phase
Phase-locked capture had no client half on Apple — the host's v3 controller
(grid-locked submits, coherence-gated engage) shipped with only the Android
reporter feeding it. Now the stage-4 link thread flushes the same v2
circular arrival-phase statistic at ~1 Hz:

- PhaseReporter (Stage2Pipeline): the decode callback deposits per-AU
  reassembly-completion stamps, the CAMetalDisplayLink update deposits the
  latch grid (period = window-min of update spacing), and the flush ports
  punktfunk_core::phase::circular_latch verbatim — a period-smeared Wi-Fi
  link reads coherence ≈ 0 and the host correctly never engages; a wired
  link opens the gate. Binds/unbinds per session like DecodeReport.
- PunktfunkConnection.reportPhase wraps the existing ABI entry point.
- Hello honesty: iOS/tvOS advertise CLIENT_CAP_PHASE_LOCK (macOS stays
  without — the stage-2 arrival presenter has no latch grid), Android now
  sets the bit its reporter already earned, and the ABI grows the
  PUNKTFUNK_CLIENT_CAP_PHASE_LOCK mirror const (header regenerated).
  Advisory in v1: the host arms on report receipt.
- Stage-3 doc comment no longer calls itself the tvOS default (stage-4 took
  that over in the 2026-07 rebuild).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 17:41:46 +02:00
enricobuehlerandClaude Fable 5 c002ca8746 fix(clients): pen batches split at the wire cap and the heartbeat survives tracking mode
Three drawing-path defects on the pen clients:

- The Apple in-range heartbeat was re-armed on every emit (~120 run-loop
  mutations/s during a stroke) and lived in .default run-loop mode only — a
  tracking-mode excursion >200 ms with a stationary pen crossed the host's
  force-release failsafe and dropped the held stroke. Now one long-lived
  50 ms timer in .common mode, resending only after ≥50 ms of send silence.
- Both clients TRUNCATED an over-8-sample coalesced run instead of splitting
  it into consecutive batches (the send_pen contract): Apple suffix(8)
  dropped the oldest samples, the Android JNI clamped count. An over-cap run
  means the UI thread hitched — exactly when dropping stroke geometry hurts
  most. Apple splits in emit(); the Android JNI loops send_pen over ≤8-sample
  chunks (Kotlin's per-emit ceiling is now 64 = a >250 ms stall).
- The iOS letterbox mapper did a lock+FFI currentMode() read per coalesced
  sample on the main thread, contending the ABI lock the batch send takes
  next — now a 250 ms TTL cache (mid-stream requestMode still tracked).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 17:41:15 +02:00
enricobuehlerandClaude Fable 5 780791ed81 feat(android): the presenter's latch margin starts at zero and earns its width
The 2.5 ms submit margin ahead of expected present assumed
SurfaceFlinger latches well before the vsync. On-glass (NP3, 120 Hz)
that lead is not needed: with the margin at zero every release still
made its vsync (paced=0 across full sessions) - meaning the constant was
2.5 ms of pure display latency on every frame, and it was quantizing
away exactly the readiness gains the slice-overlap pipeline just bought.
e2e on the Linux-host pairing dropped from 22-24 ms to 14-18 ms.

The margin is now adaptive instead of assumed: it starts at 0 and only
widens (+500 us per 1 Hz window, capped at the old 2.5 ms) when the
paced counter shows real latch misses - one-way per stream, so a margin
that proved necessary is never re-gambled mid-session. A device that
needs lead converges within seconds; a device that doesn't keeps the
full win. debug.punktfunk.latch_margin_us (0..=8000) pins the margin
for rebuild-free sweeps, and the presenter logs the resolved mode at
stream start.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 17:34:31 +02:00
enricobuehlerandClaude Fable 5 4240b76182 feat(android): slices feed the decoder as they arrive, not when the AU closes
The decode loop used to hold every access unit until its last wire
packet landed. With slice-progressive delivery (frame_parts) each newly
contiguous piece now goes straight into MediaCodec under
BUFFER_FLAG_PARTIAL_FRAME, the closing piece drops the flag, and the
decoder chews the front of the frame while its tail is still on the
wire.

Feeding partial input means owning its failure modes without a codec
flush: a broken sequence (dropped piece, orphan, oversize) closes the
dead AU with an empty non-partial buffer at its own pts, arms the
re-anchor freeze so the concealed output never reaches glass, and
requests a recovery keyframe - the same machinery ordinary loss already
rides. Per-AU accounting keeps its units: the RFI gap detector notes an
AU once, and the HUD stamps, host/network split and the phase-lock
arrival sensor ride only the completing delivery.

The opt-in is decoder truth and loop truth: every decoder this device
would use must pass FEATURE_PartialFrame, and only the async loop may
see parts - the legacy sync loop feeds whole AUs and stays that way.
Smoke-checked on-glass (NP3 vs the Windows host): byte-identical
degenerate path, presenter profile unchanged.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 17:34:31 +02:00
enricobuehlerandClaude Opus 5 de8430097e chore(clients): the bundled licence notices catch up with the root file
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The Apple and Android apps carry their own copy of THIRD-PARTY-NOTICES.txt
and show it on the acknowledgements screen. `7fc2775f` refreshed the root
file but not the copies — running the python generator directly skips the
sync `scripts/gen-third-party-notices.sh` does — so they had drifted to a
531-crate snapshot that predates the whole vendored-source section.

That section is where the OS marks' attribution lives, so both apps have
been shipping Font Awesome's CC BY 4.0 icons with no attribution visible
at all. Re-synced, which also carries the Bazzite Apache-2.0 notice the
previous commit adds.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 14:17:02 +02:00
enricobuehlerandClaude Opus 5 5520167958 feat(clients): the OS marks tell gaming distros apart, and Windows looks current
Three things were wrong with the host-card OS icons.

The Windows mark was Font Awesome 5's, which is still the Windows 8/10 flag
with the perspective skew — dated next to the flat four-pane mark Microsoft
has shipped since Windows 11. No icon set has the current one (Simple Icons
carries no windows/microsoft slug at all), so it is drawn here: four equal
squares at the authentic 11.377 + 1.246 proportion. The Decky plugin was
pulling FaWindows straight from react-icons, so it now inlines the masters
like the web console does, or it would have kept the old flag regardless.

Bazzite, CachyOS and Nobara collapsed onto their family's mark. The host
already advertises the full chain, so this is purely missing art: all three
now ship a leaf mark, because "a Bazzite box" and "a Fedora box" are
different machines to the person reading the card. CachyOS and Nobara come
from Simple Icons; Bazzite has no icon anywhere, so its "b" is lifted out of
the project's own badge (Apache-2.0, attributed).

On Android every non-square mark was stretched. A VectorPainter maps the
viewport onto the ImageVector's default size with independent x and y
scales, so declaring a 448x512 Tux as 24x24 dp squashed it — silently, no
crash, no warning. The longest viewport edge now sets the 24 dp box and the
other follows the ratio, which is what Icon()'s ContentScale.Fit expects.
A unit test pins the invariant; every other client was already correct.

Also: scripts/gen-os-icons.sh replaces the undocumented hand-run pipeline
that turns a master into the GTK symbolic SVG, the Windows PNG and the Apple
template PDF. It reproduces the committed artifacts byte-identically.

Verified: web and Decky typecheck, Decky bundles, Android compiles and its
tests pass, PunktfunkKit builds, osinfo's tests pass. Not verified on glass,
and the GTK/Windows client crates do not build on macOS.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 14:17:02 +02:00
enricobuehlerandClaude Fable 5 f4f83202cb feat(core/client): an AU's prefix reaches the decoder while its tail is on the wire
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Delivery used to be all-or-nothing: the decoder saw byte 0 only after the
last packet of the AU landed, so the whole transmit time sat in front of
decode. With the slice-streamed wire (previous commit) blocks now arrive
addressable, and a client can opt in (connect's new frame_parts) to
receive each AU's newly-contiguous prefix as Frame::part pieces - offset
tiling, first/last marked, the completing push carrying only the suffix.
A PARTIAL_FRAME-capable decoder then chews slices concurrently with the
remaining network transfer.

The reassembler walks a per-frame cursor over successfully-completed
blocks (failed FEC reconstructs don't advance it), coalesces blocks that
finished out of order into one part, keeps probe filler whole, and stops
short of the final block so the zero-padded tail still trims at
completion. Whole-frame consumers see byte-identical behavior - parts
never flow without the opt-in, and never on PyroWave (its newest-wins
draining assumes whole AUs).

Per-AU accounting keeps its units: OWD/ABR feeds, the inter-arrival
series and the clock-based jump-to-live detector only count completing
deliveries, and FrameChannel::depth() counts AUs so a part-rich queue
can't trip jump-to-live at a fraction of the real backlog. The consumer
contract (gap or orphan part = AU lost: abandon, flush, resync on the
next first) is documented on FramePart; the C ABI keeps parts off until
PunktfunkFrame can express them.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 14:14:46 +02:00
enricobuehlerandClaude Fable 5 43868af1f5 feat(android): the client advertises multi-slice tolerance per-decoder
The P0 gating branch deliberately left Android off VIDEO_CAP_MULTI_SLICE
("embedder-set decoder truth") — this is that deferred item, and the P2
slice-pipeline prerequisite. VideoDecoders.multiSliceTolerant() probes the
pick for every advertised codec: tolerant unless any pick is an Amlogic
decoder (the 0.17.0 device-rebooting wedge) or uninspectable (a null pick =
platform default → conservatively single-slice). nativeConnect carries the
bit; the JNI ORs it into the Hello's video_caps beside the panel-truth
HDR bits. Phones (Qualcomm/Exynos) advertise it; the Amlogic TV boxes the
gate exists for never will.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 14:14:46 +02:00
enricobuehlerandClaude Fable 5 759aac255b feat(phase-lock): controller v3 — grid-locked submits, arrival sensing, antipode damping
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Midday on-glass falsified v2's remaining assumptions: a per-frame additive
hold SATURATES the arrival-slaved loop once hold + work >= interval — submits
free-run at their own cadence and the commanded phase dissolves (measured:
+-2 ms hold steps, zero client response) — and the latch statistic hovers at
the target's ANTIPODE, where shortest-way errors sign-flip on noise (the
0<->2<->4 ms offset chatter).

v3, one change per falsified assumption:
- ACTUATOR: submits lock to an absolute grid (epoch + k x period + offset);
  the controller walks only the offset. A periodic grid cannot free-run —
  occupancy is one frame per period whatever the offset — so phase actuation
  is linear BY CONSTRUCTION. Disengaged = no grid sleeps = zero cost; every
  failure path DISENGAGES (never parks: v2's e2e-tax lesson).
- SENSOR: the client reports the circular mean + coherence of the ARRIVAL
  lead (per-AU reassembly stamps vs the panel latch grid) — the phase the
  host actually controls; latch measured downstream of the decoder pipeline,
  which absorbed the actuation. pf.phase logs "arrival lead circ= coh=".
- ANTIPODE DAMPING: errors within 1 ms of +-period/2 take half-steps until
  they commit to a side.

Harness rewritten around plants glass validated: a GRID plant (linear by
construction), the DECOUPLED plant (v2's saturation — must disengage, not
orbit or park), an antipode start (must converge within one period of
travel), incoherence (never engages), a regime change (re-engages after
backoff), and the actuator's own periodicity/offset-linearity. Also fixes
the harness's SIM_TARGET (a mis-derived max asserted 3.5 ms where the
controller's actual target is 2.5 — the controller was right, the ruler
was wrong; the Python cross-check inherited the same constant, a lesson in
replicating the CODE, not the author's belief about it).

Gates: v3 simulations 6/6; host bin suite 345/1 (the documented
environmental qemu UDP test); clippy --all-targets -D warnings clean;
cargo ndk arm64 check clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 12:20:39 +02:00
enricobuehlerandClaude Fable 5 4457356ee4 test(phase-lock): a closed-loop simulation harness — both on-glass failures become CI regressions
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The controller iterated twice on the user's gaming PC before this existed;
never again. punktfunk_core::phase::circular_latch is extracted from the
Android presenter (shared: iOS reports next, and the harness generates its
synthetic reports through the IDENTICAL statistic the clients ship), with
unit tests including the wrap-straddling cluster an arithmetic mean gets
maximally wrong.

The stream.rs harness models the plant — latch = (base − hold + noise)
mod P, deterministic LCG noise — and drives PhaseController::adjust through
five regimes:
- tight jitter locks into the deadband within ~5 adjusts and stops moving;
- a wrap-side start takes the SHORTEST way (travel < P/2 asserted);
- an incoherent phase never steps (zero hold, ever);
- a v1 pinned-median report trips the travel budget and DECAYS TO ZERO —
  the 2026-07-31 orbit and the parked-hold e2e tax, both as asserts;
- a post-decay regime tightening re-locks.

Gates: host bin suite 344 passed / 1 failed = the documented environmental
qemu UDP-loopback test (clean main fails identically in this container);
core phase tests 4/4; clippy --all-targets -D warnings clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 11:18:30 +02:00
enricobuehlerandClaude Fable 5 fe552a50bb fix(android): the phase reporter actually sends the v2 circular statistic
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The v2 client edit missed its anchor against rustfmt's reshaping and the
reporter kept sending the v1 median — caught by the arm64 build the moment
the tuple signature landed. Sends (circular mean, coherence) now.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 10:58:19 +02:00
enricobuehlerandClaude Fable 5 1d31e4c565 feat(phase-lock): controller v2 — circular phase, coherence gate, decay-to-zero
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Round-1 on-glass falsified two v1 assumptions in one morning (NP3 ↔ .173):

- A median lead is immovable under period-spanning jitter (uniform mod P),
  so v1 orbited the period at 2 ms/s forever — and the dead-signal freeze
  hotfix never armed, because ±1.5 ms of window sampling noise kept
  resetting its 'error responded' check. Thresholds can't referee noise.
- A HELD hold is not free: it delays sampling after the capture stamp,
  taxing e2e by up to a period (user-measured: ~+4 ms during the orbit).
  The correct failure response is DECAY TO ZERO, never freeze-in-place.

v2, all three layers:
- Wire: PhaseReport grows a length-discriminated coherence tail (27-byte
  form; the u16::MAX sentinel encodes as the byte-identical 25-byte v1 —
  strict-prefix discipline, both forms pinned by tests).
- Client: the reporter sends the CIRCULAR vector-mean latch phase mod the
  panel period + its coherence (‰); pf.present logs circ=/coh=.
- Host: steps only while coherent (floor 300‰; a v1 report bypasses the
  gate), along the signed SHORTEST way around the period, under a
  cumulative 1.25-period travel budget that is noise-immune by construction
  (it integrates applied steps, not reported errors); incoherence or budget
  exhaustion decays the hold to zero and re-arms once flat. Deadband
  convergence resets the budget — tight regimes lock exactly as designed.

report_phase + the C ABI mirror gain the coherence parameter (canary-only
ABI, hours old, sole caller in-tree). Gates: docker amd64 clippy
--all-targets -D warnings (host+core, nvenc) clean; core suite 244/244;
cargo ndk arm64 check clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 10:55:24 +02:00
enricobuehlerandClaude Fable 5 a5896f0883 feat(android): the phase-lock ACK is logged — the closed loop reads out in logcat
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The host's applied hold rides the 0xCF tail but nothing client-side showed
it; 'adb logcat -s pf.phase' now logs transitions. This line is what exposed
the dead-median controller orbit on the first on-glass run.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 10:12:56 +02:00
21787ca6cd feat(decky): the plugin updates the actual client, not only the flatpak one
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The QAM already offered a client update — for the flatpak, by comparing OSTree
commits. A native client (.deb, .rpm, pacman, sysext, nix, a source build), which
the plugin has been able to LAUNCH since it learned to drive one, went stale in
silence: no version, no check, no mention.

check_update now branches on the client the launcher will actually run. The
flatpak keeps its commit comparison, which is the exact one — a flatpak built
from main between releases carries the release's crate version, so a
version-based check would call it current when it isn't. Everything else asks
the client itself, which verifies the signed manifest. update_client routes the
same way: flatpak update --user, or `punktfunk-client --apply-update`.

Where nothing on the box can install it, the plugin says so instead of offering
a button. The QAM banner becomes the command, the About tab names the install
kind so "why is there no Update button?" has a visible answer, and a check that
FAILED reads as a failure — never as "up to date".

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 09:41:26 +02:00
a87fbebc0a feat(client/linux): the client says whether it is current, and can update itself
`punktfunk-client --check-update` fetches the same Ed25519-signed per-channel
manifest the host trusts, works out how this client was installed, and reports
what — if anything — can be done about a newer build. `--apply-update` does the
part it owns. `--version` prints the CI-stamped build string, which is both what
the comparison needs and what a packaging gate can run the binary for.

The engine lives here rather than in the Decky plugin for two reasons: verifying
a signature needs crypto that Decky's embedded Python does not have, and the
plugin is not the only surface that wants the answer. Every UI becomes a caller,
exactly as it already is for --pair, --library and --list-hosts.

What is possible depends on the install, and the module refuses to pretend
otherwise. A flatpak is a per-user install its launcher can update. A .deb/.rpm/
pacman client goes through the packaged root helper — a fixed, parameterless
systemd oneshot polkit authorises for members of the punktfunk-update group, so
the request carries nothing an attacker could influence and the payload comes
from the distro's own signed repositories. A sysext, a nix profile or a source
build gets the command and nothing else: the signed sysext feed carries the HOST
image, so a client sysext has no feed to update from, and a button that can only
fail is worse than one honest line.

A failed check reports the failure. "Could not tell" rendering as "up to date"
is the one answer that must never happen.

The box's capabilities are probed once into a `Caps` struct so the routing rules
are a pure function of (install kind, caps) — all seven of them are tested
without a box, including that the kill switch beats every kind and that pacman
needs its own root-owned full-sysupgrade opt-in on top of the group.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 09:41:26 +02:00
enricobuehlerandClaude Fable 5 fa822744ff feat(core/host/android): phase-locked capture — frames arrive on the client's latch schedule
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The host's capture tick and a client's panel vsync are independent ~120 Hz
oscillators; their drifting phase sweeps every frame's wait-for-latch across
a full refresh period (measured on-glass: latch p50 oscillating 5.4-8.9 ms
with a fixed margin) — the beat is the residual judder and the fat p95, and
no client can fix it alone. Design: punktfunk-planning
design/phase-locked-capture.md.

Protocol (punktfunk-core):
- PhaseReport (control 0x32, next to the clock family): the client's next
  display latch ALREADY CONVERTED to host clock (the skew offset lives only
  client-side), panel period, uncertainty, and the measured median
  arrival-lead — the controller's error signal. ~1 Hz, latest-wins.
  CLIENT_CAP_PHASE_LOCK advertises it; CtrlRequest::Phase + report_phase()
  + the C ABI mirror carry it.
- The 0xCF host-timing tail grows a phase ACK (applied_phase_ns, 29-byte
  form) under the same strict-prefix append discipline — old readers parse
  the shorter forms; degradation pinned by tests.

Host engine (arrival-slaved loop — no backend can move the source vsync,
per the tick-ownership audit in the design doc):
- PhaseCtl bridges control task → encode loop (the fec_target pattern,
  multi-field). PhaseController walks a per-frame HOLD before submit toward
  the client's reported lead hitting target = max(2.5 ms, uncertainty+1ms):
  1 Hz adjust, 2 ms max step, 300 µs deadband, period-wrapping (the
  newest-wins capture slot makes a wrapped hold sample fresher content, not
  staler). A loop local, so every mid-stream rebuild keeps the lock; a new
  session re-acquires. PUNKTFUNK_PHASE_LOCK=0 disarms.

Android reporter: the presenter's 1 Hz pf.present flush returns the
window's measured latch p50; the async loop converts the vsync clock's next
timeline monotonic→realtime→host and reports. Inert toward old hosts.

Gates: docker amd64 clippy --all-targets -D warnings (host+core, nvenc)
clean; core suite incl. the new wire tests; cargo ndk arm64 check/clippy
clean. On-glass A/B vs the .173 host owed.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 23:44:09 +02:00
enricobuehlerandClaude Fable 5 f9faab780e tune(android): the latch margin drops to SF's real lead (2.5 ms)
Each ms of submit-margin is a ms on every frame's display stage; SF's latch
runs ~1-2 ms before present and the release is a sub-ms binder call, so 4 ms
was padded. Measured (A024, 120 Hz game load): latch p50 8-10 → 5.4-8.9
(phase-drift dependent), paced stays 1-5/s. A device that misses at this
margin shows it as a paced-counter rise, not stutter — the widen signal.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 23:44:09 +02:00
enricobuehlerandClaude Fable 5 a6ff0350e4 feat(android): frames target SurfaceFlinger's latch, not the GPU-render deadline — display 21→9.5 ms
The remaining ~21 ms display stage was the conservative release target: the
presenter aimed at the first frame timeline whose DEADLINE was still ahead,
and the platform's deadline budgets for GPU rendering the app has yet to
submit (presDeadline = 11.3 ms on the A024 — more than a full 120 Hz
period). A decoded video buffer has no GPU work left; its only real
constraint is SurfaceFlinger's own latch lead. Every frame paid a whole
extra refresh of waiting for a budget it never used.

next_target now gates (and subdivides) on the timeline's EXPECTED PRESENT
minus a 4 ms latch margin; the glass budget reopens at that latch instant
(expected present − margin) rather than the deadline, which under the
aggressive gate can already lie in the past — an instant reopen would let
two releases pile onto one vsync. A mis-gamble presents one vsync later,
which is exactly what the deadline gate paid on every frame — the trade is
one-sided.

On-glass (A024, 2800×1260@120 HDR, game load): latch p50 21→8-10 ms,
display 26,3→9,5 (pace 0,8 + latch 7,7), e2e 43,7→26,4 p50 / 29,2 p95,
released=displays=120, paced≈0, forced=0. The latch now sits under one
refresh interval — the vsync-latch floor.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 23:44:09 +02:00