Commit Graph
646 Commits
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enricobuehler 5be494f490 merge: bring main into the pad-audio branch
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Main had moved 34 commits past the merge-base and 13 files had diverged.
Resolving now rather than later, since the force-feedback sweep work is landing
in the same files.

Five conflicts needed hand resolution. Four were "each side added something
different" and keep both: the Forwarding and PadAudioPrefs control variants with
their handlers and setters (pf-client-core/gamepad.rs), both of the session's
pre-attach declarations (forwarding first, so slots still declare their
pad-audio caps at open time), main's WiredPlan/fingerprint alongside the
branch's pad_render_ids (audio_control.rs), and main's judge_default signature
(wasapi_cap.rs).

wiring_plan.rs was not mechanical. Main's 652abeb3 added a flagged last-resort
loopback tier; the branch had added a fifth `plan` parameter excluding pad
endpoints from every role. Taking either side alone loses the other, and
combining them carelessly is worse than both: the new last-resort tier would
happily select the pad's own speaker endpoint, which is stamped "DualSense
Wireless Controller" with no virtual marker precisely so games read it as the
pad's speaker — routing the entire desktop mix into the controller's voice
coils. The branch's exclusion shadows `renders` before any tier runs, so the
last resort inherits it; `a_pad_is_never_the_last_resort` pins that, including
that a pad-only candidate set stays honestly unsatisfiable rather than falling
back onto the coils.

Verified: clippy -p punktfunk-host -p pf-client-core --all-targets --locked
-D warnings = 0; pf-client-core 93/93; punktfunk-host 387 passed with only the
known-environmental gamestream sender_delivers_batches UDP-loopback flake;
wiring_plan 21/21; fmt clean.

NOT verified: audio_control.rs and wasapi_cap.rs are cfg(windows), so neither
the Linux container nor xcheck.sh compiles them. Those two resolutions have had
review only and need the Windows runner before this merges.
2026-08-03 19:11:26 +02:00
enricobuehlerandClaude Opus 5 0d5e5b436b fix(android/pad-audio): pin the uac-host that unmutes the pad
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The pad rendered nothing — not its speaker, not its voice coils — because
`uac-host` streamed into a device it never unmuted. It set the sample rate and
nothing else; the UAC Feature Unit, where Mute and Volume live, was parsed by
nobody. Every counter stayed green throughout: URBs completed, 0 short bytes,
0 URB errors, 0 short writes here, decoded peak 19345. None of them can observe
mute, so a muted device is indistinguishable from a working one.

Bumps the pin to unom-io/usbfs-iso f3de1fd, which sends SET_CUR Mute=0 and
Volume=0 dB to the Feature Unit before the stream starts.

With this in, Spider-Man Remastered's haptics reach the physical DualSense
through the virtual pad, confirmed by feel on real hardware.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 14:35:27 +02:00
enricobuehler 6fed1510ba test(android): report renderer stats even when the plane is silent
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ci / rust (pull_request) Canceled after 4m44s
The renderer now reports once a second regardless of traffic — frames in,
samples decoded, peak level, frames written, underruns, short bytes.

The first version reported only after a frame arrived, which made the single
most diagnostic state unreportable: an idle plane and a dead renderer looked
identical (both silent). That cost a debugging round on real hardware, where the
absence of any line had to be triangulated against usbfs interface claims and
`dumpsys input` to work out which of the two it was.

The peak is of the decoded PCM, and it is the discriminator that matters: frames
arriving with peak=0 means the host's capture is hearing silence — a routing
problem upstream — whereas a non-zero peak means real signal is reaching the pad
and anything still wrong is downstream of the write.
2026-08-03 10:01:05 +02:00
enricobuehler 4fd240deab test(android): make the pad-audio self test reachable without a host
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The self test shipped in the previous commit was gated behind a capture, which
needs a stream, which needs a host — so it depended on precisely the thing it
exists to rule out. It could not have been run in the situation that motivated
it.

It is now a "Test haptics" button on the DualSense passthrough card in
Settings → Controllers → Connected controllers, which is reachable with no
session at all. It opens its OWN connection to the pad — the same rule the
renderer follows, and the rule whose violation caused the fault this test looks
for — runs the tone on a worker thread, and reports a plain-language result:
which of open / write / no-data failed, or how many frames reached the pad.

The debug-property trigger stays for the in-session case; this is the one that
answers "can this phone drive this pad at all" before a host is even involved.
2026-08-03 09:38:46 +02:00
enricobuehlerandClaude Opus 5 f71bee917b Merge origin/main; the presenter rebuild's four settings join the sidebar
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`#20` landed while this branch was open and added four settings the
console screen groups under a new "Presentation" header: Prioritize,
Smoothness buffer, V-Sync and Follow variable refresh. A branch whose
whole claim is "everything the store holds is reachable" cannot merge
past those, so they get a Presentation page of their own, in the console
screen's position (after Video, before Audio) and with its wording.
Smoothness buffer is indented under Prioritize and disabled until the
intent is Smoothness — the same relationship the console's `enabled`
gate draws.

The docs conflict resolves to main's side plus this branch's correction:
the 4:4:4 advertisement claim main rewrote is the current one and stays,
while "Android, Decky and the console home don't offer it" was wrong
about two of the three before this branch and about all three after it.
The four new settings' paragraphs pick up the console home and Decky the
same way.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 00:40:05 +02:00
enricobuehler e32bd30c85 fix(android): give the renderer its own USB connection, and add a real-world self test
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**The bug.** The renderer was handed `HidUsbLink`'s file descriptor. That link's
own comment states the hazard exactly — "only one thread may drive a
connection's UsbRequests (requestWait() returns ANY completed request; a second
waiter would steal the reader's completions)" — and it is just as true of the
usbfs reap underneath: the isochronous ring and the HID reader were reaping each
other's URB completions. The standalone harness works because it owns its
descriptor by construction, which is precisely why it could never have caught
this. `DsCapture` now opens a dedicated connection via `openAuxConnection()` and
closes it only after the render thread is joined.

**The test.** Nothing exercised the CLIENT path without a host, so the two things
most likely to be wrong were invisible: whether the descriptor handed over is
exclusively ours, and whether the claim succeeds on this kernel. Neither is
unit-testable and a harness proves neither.

`nativePadAudioSelfTest` drives the voice coils with a tone through the real
path — the same aux connection, claim, sink and write loop the renderer uses —
and is triggered by `adb shell setprop debug.punktfunk.pad_audio_selftest 3`,
matching this repo's existing debug.punktfunk.* convention. It runs INSTEAD of
the renderer for that capture, never alongside it: two engines on one descriptor
is the fault being tested for, and I nearly shipped it into the test itself.

Underruns are deliberately not a failure condition — that is producer pacing.
The pass condition is data reaching the bus.
2026-08-03 00:38:58 +02:00
enricobuehler 2f1ef44191 fix(android): commit the tier-A trade only once the USB stream actually opens
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A real bug, and the worst shape one can take here: it costs the user ALL
haptics rather than degrading.

`pad_audio::start` returned success as soon as the render thread spawned, and
`nativeStartPadAudio` then declared the pad's render capability and took it off
wire rumble. But `sink::open` runs later, on that thread. On a kernel that
refuses the interface claim — the OEM case documented as needing a clean tier-C
fallback — the pad was already suppressed and the host already streaming 0xD1 at
a renderer that never opened. No pad audio, and no rumble either.

The declaration and the suppression now happen inside the renderer, immediately
after a successful open, and are both withdrawn when it stops. A failed open
declares nothing and suppresses nothing, so the session stays on ordinary rumble
— which is what "degrades to tier C" was always supposed to mean. `PadAudio`'s
Drop clears the tier-A bit too, so a thread that dies unexpectedly cannot leave a
pad permanently mute.

The general rule this violated: never give up a working fallback until the thing
replacing it is known to work. Spawning a thread is not evidence that it will.
2026-08-03 00:34:47 +02:00
enricobuehlerandClaude Opus 5 6de78213ee feat(decky): the settings tab covers the whole store, as a SteamOS-style sidebar
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The stats overlay was the visible half of a general problem: nine of the
client's settings had a row here and twenty didn't, so a Deck that never
sees a desktop could not reach its own decoder, chroma, HDR, audio
layout, echo cancellation, touch or mouse model, scroll direction,
auto-wake, or either audio endpoint. Everything the store holds is here
now — except the two things a plugin backend genuinely cannot answer,
named in `backend.ts` so the next reader doesn't go looking: which
physical pad is player 1 (SDL's live device list lives in the client
process, and no CLI enumerates it) and the session's remembered window
size, which is not a preference.

Thirty rows is too many to scroll past on a thumbstick, so they are
split across a `SidebarNavigation` — the left-rail-of-categories layout
SteamOS's own Settings uses, and the one Deck users already know. Every
page fits on screen without scrolling, which is the point: the rail is
the index, so nothing is more than one hop away. The categories, their
order and the wording of the rows are the console settings screen's — it
is the other settings editor reachable without leaving Gaming Mode, and
two different orders for one store is how people stop trusting either.
It shows them as one steppable list because it has no pointer and no
room for a rail; here they become the rail's pages. The six pages take
one shared settings object rather than each holding state, so a change
on one is visible on the others the moment you switch.

Three more rules:

- A dependent setting is INDENTED under what it depends on and DISABLED,
  never hidden: mic device and echo cancellation under the microphone,
  controller type under forwarding. The console dims those rows for the
  same reason, and a row that vanishes as you toggle the one above it is
  a moving target for a thumbstick. The device row at the foot of Audio
  is rendered even while it reads, for that reason.
- A picker with nothing to pick doesn't appear: the GPU row shows up
  only where the enumeration found more than one adapter, so it is
  absent on a Deck and present on a Bazzite desktop with a dGPU.
- A setting that behaves differently HERE says so in its own
  description rather than being dropped. Capture system shortcuts holds
  nothing back under gamescope; fullscreen-on-stream can't lose to a
  launch that always passes `--fullscreen`; the client's library toggle
  isn't this plugin's browser. Each says which.

The device pickers are real, not stubs: `list_devices` reads
`--list-adapters` and `--list-audio` off the SESSION binary, the same
two enumerations the GTK shell shells out for because it links no Vulkan
itself. It is cached for the life of the backend (that call inits Vulkan
and PipeWire) with an explicit Refresh for the headset you just plugged
in, and a failure — a client too old to ship the session binary — leaves
the pickers on Automatic and says so instead of claiming you have no
devices. `_parse_audio_endpoints` is split out and unit-tested with the
malformed lines that must never reach a picker.

Two smaller honesty fixes fall out of building it. A Dropdown can only
display a value that is one of its options, and this store has four
other writers — so a stored value the table doesn't list is carried as
its own entry rather than rendering blank or, worse, showing a different
value than the stream will use. And a stored audio endpoint that isn't
currently connected keeps a "(not connected)" entry, the way the Linux
picker keeps "(not detected)", instead of silently re-pointing the next
stream at the default.

The Settings tab's wrapper deliberately stops being a scroll area: a
SidebarNavigation given an indefinite height to fill collapses its rail,
so the pane hands it the full height and keeps its hands off the
overflow, and the footer inset moves inside the pages.

The docs claimed nine things about this plugin that are no longer true,
and three about the console home that stopped being true when its own
row set grew on 2026-07-31 (4:4:4, echo cancellation, auto-wake and the
library toggle are all there in `screens/settings.rs`). Both corrected.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 00:21:15 +02:00
enricobuehler 8ee224e5db fix(android): advertise CLIENT_CAP_PAD_AUDIO, without which nothing is ever sent
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A gap in the previous commits, and the same silent-failure shape as the two they
fixed. There are TWO negotiations, not one: the per-pad render capabilities that
ride a gamepad arrival (bits 8/9), which those commits set, and the SESSION-level
CLIENT_CAP_PAD_AUDIO in the Hello, which they did not. Without the latter the
host never sets HOST_CAP_PAD_AUDIO and emits no 0xD1 at all — so the per-pad bits
would have had nothing to gate, and the renderer would have sat on a permanently
empty plane with every other piece looking correct.

Threaded as an explicit `padAudioOk` on nativeConnect rather than advertised
unconditionally: the cap makes a Windows host provision pad endpoints at startup,
and a user who has pad audio switched off should not pay for that.

Found by tracing what an on-glass run against a real host would actually need,
not by a test — there is no test that could have caught it, since both halves are
individually well-formed.
2026-08-03 00:04:14 +02:00
enricobuehlerandClaude Opus 5 e38e3c44c9 feat(client/present): V-Sync and VRR become real settings, and VRR is measured
WP3 of design/desktop-presentation-rebuild.md. The `vsync` and `allow_vrr`
settings have existed since WP1 but nothing consumed them — the swapchain picked
MAILBOX-or-FIFO once, from an env var, and froze. This makes them mean
something, which is also what unblocks their settings rows (deliberately
withheld from WP5 rather than shipped as dead switches).

Present-mode selection is now a preference ladder, not a constant:

* V-Sync off — IMMEDIATE, then FIFO_RELAXED, then the tear-free modes. Asking
  to tear and silently getting vsync is a lie, so the mode that actually took is
  named in the stats line and a refused preference is logged requested-vs-active.
* V-Sync on + VRR allowed + fullscreen — FIFO first. On a variable-refresh panel
  with direct scanout the FIFO present IS the flip, so the panel follows the
  stream's cadence instead of a fixed grid; MAILBOX would decouple presents from
  scanout and re-quantize to the compositor's clock. This is only safe because
  WP2's glass gate bounds the standing queue that historically made FIFO costly.
* Otherwise — MAILBOX then FIFO, the shipped default, unchanged.

`PUNKTFUNK_PRESENT_MODE` still pins a mode outright and now falls back to the
settings (rather than to mailbox) when the name is unknown.

VRR detection is MEASURED, never queried. No portable query exists — SDL exposes
none, Wayland does not report adaptive-sync state, Windows surfaces nothing
through Vulkan — and the platforms that do answer have been caught lying (see
the Android per-uid refresh-rate finding). The discriminator is quantization: on
a fixed-refresh panel every on-glass instant lands on the vblank grid, so the
spacing between presents is ~k×period for whole k even when the stream runs
slower than the panel (it just picks a larger k); under real VRR the panel
refreshes when we present, so the spacing follows our own cadence and sits off
the grid. `CadenceProbe` folds each delta to its distance from the nearest
multiple of the learned period and takes the median. Tri-state: it stays Unknown
below 24 deltas and after a display change, so `vrr` is reported only when it
has been measured — never inferred from what the display claims.

Also fixes the read-once refresh rate: `native.refresh_hz` was sampled at
startup and never revisited, so dragging the window to another monitor left a
60 Hz-seeded clock pacing a 144 Hz panel. `WindowEvent::DisplayChanged` now
relearns the latch grid, resets the cadence verdict, and clears the served-slot
latch.

Settings rows for both, on all three surfaces (GTK, WinUI, console). The
console's V-Sync row is reachable in Gaming Mode, which is the only editor a
Deck user has.

Gates: punktfunk-rust-ci linux/amd64 — fmt, clippy -D warnings over
pf-client-core, pf-presenter, pf-console-ui, the session binary and the GTK
client, 160 tests (the two new ones cover every ladder and both cadence
regimes, including the case that matters most: a stream slower than a FIXED
panel must still read as fixed). WinUI leg on the Windows runner .133:
clippy=0 tests=0, against a tree proven by content to contain the edit.

⚠ On-glass validation is still owed and is NOT claimed here: every box with a
real display was powered off when this landed, so the VRR ladder and the
detector have been exercised only against synthetic stamps in unit tests.

Rebase follow-up: `20de58a7` landed the same "panel grid can be wrong in both
directions" defect fix on Android and extracted the corrected learner into
`punktfunk_core::phase::PanelGrid` for the iOS and desktop presenters to share.
This clock had the identical bug — it capped the learned period at the display
mode's refresh, and the mode is only a CLAIM, so a display really running slower
than it advertises pinned a grid whose instants never arrive, for the session,
with no way back. Adopted the shared learner rather than carrying a second,
buggier copy; still fed the window's MIN spacing, which preserves the k×period
resistance the cap was actually aimed at while the streak requirement lets a
genuinely slower panel be discovered. New test: seed 120 Hz, real panel 60 Hz,
the clock must climb back out.

Took the same commit's third lesson too: the adaptive margin widened on a
latch over 1.5×period (a number picked here), and now widens on the latch
exceeding one period plus the lead already applied — the slot actually aimed at.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 00:01:56 +02:00
enricobuehlerandClaude Opus 5 b1ac4d02de feat(client/present): the display stat splits, and the intent reaches the settings UI
WP4 + WP5 of design/desktop-presentation-rebuild.md, on top of the WP1/WP2
engine. The engine shipped with no way to choose it and no way to see what it
cost; this closes both.

WP4 — the display stage splits into `pace` (decoded → present-submit, our own
pipeline) + `latch` (submit → on-glass, the presentation queue and the vblank
wait), off the `submitted_ns` stamp WP2 already carried. That split is what
makes a high `display` self-diagnosing: latch dominating is the vsync floor or
a standing queue, pace dominating is us. A `present:` line joins the Detailed
tier naming the live swapchain mode — the answer to most "why is my latch a
whole refresh" questions, since a MAILBOX request silently lands on FIFO
wherever the driver has no mailbox — plus the engine's counters, rendered only
when they are non-zero so a healthy latency session shows just the mode.

Deviation from the plan: the planned `display_adj` twin is NOT here. It was
specified as `display − latch_p50` for parity with the Apple HUD's shaved
figure, but with a real per-sample `pace` percentile that twin is the same
quantity derived worse (subtracting percentiles). `pace` IS the
Apple-comparable number — Apple subtracts its OS present floor, the latch is
ours — and the user docs now say exactly that.

WP5 — Prioritize + Smoothness buffer on all three surfaces: the GTK dialog (a
new Presentation group on the Display page), the WinUI settings page, and the
console settings screen, which is the ONLY editor reachable in Gaming Mode and
so the one that decides whether Deck users can reach this at all. The buffer
control follows the intent the way echo cancellation follows the mic: hidden on
the desktop shells, dimmed and inert on the console, where a row that vanished
mid-list would shift everything under the cursor.

The V-Sync and VRR rows are deliberately NOT here. Their settings exist and are
profile-routed, but the swapchain does not honour them until WP3, and a toggle
that does nothing is exactly how "Full chroma (4:4:4)" shipped inert on desktop
for three releases after being announced.

Buffer labels carry no millisecond hints (Apple/Android derive them from the
session refresh): under a Native mode the shells do not know the refresh at
settings time, so the captions state the cost as one refresh per frame rather
than a confident wrong number.

Docs: the stats page documents the split and the `present:` line, and stops
claiming Linux/Windows measure to the present instant (untrue since
present_wait); client-settings documents both new rows and drops the stale
claim that the desktop 4:4:4 toggle has no effect (it was wired to
VIDEO_CAP_444); configuration documents PUNKTFUNK_PRESENTER and
PUNKTFUNK_PRESENT_DEBUG.

Gates: punktfunk-rust-ci linux/amd64 — fmt, clippy -D warnings over
pf-client-core, pf-presenter, pf-console-ui, the session binary and the GTK
client, 158 tests. The WinUI leg cannot be reached by any Linux or macOS check,
so it was compiled on the Windows runner .133: clippy -D warnings and tests
both exit 0, against a tree proven by content to contain the edit. ⚠ The first
run there reported a false pass — the script printed its done-marker while the
log carried a test failure (a STATUS_DLL_NOT_FOUND launch failure, ffmpeg's
DLLs missing from PATH); the harness now echoes each phase's exit code so the
verdict is a fact in the log rather than an inference from a marker.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 00:01:38 +02:00
enricobuehlerandClaude Opus 5 5f55fa874a feat(client/present): the desktop presenter gains the Apple/Android intent model
WP1+WP2 of design/desktop-presentation-rebuild.md. The shared Linux/Windows
session client presented arrival-paced with no pacing layer at all: two depth-2
newest-wins hops into a drain-to-newest and an immediate present. That IS the
lowest-latency intent, but it was unnamed, unselectable, and had no alternative
— and on a surface without MAILBOX (AMD's Windows driver offers none, and any
compositor holding images does the same) the swapchain's own FIFO becomes a
standing queue worth a measured 11-13 ms at 60 Hz.

WP1 — the settings cluster, under the keys the Apple client already writes into
the shared profile catalog (present_priority / smooth_buffer / vsync /
allow_vrr): mismatched names would ride SettingsOverlay::extra, carried but
never applied. PresentPriority::resolve mirrors the Android reference exactly
(anything but an explicit "smooth" is latency; a buffer outside 1..=3 becomes
2), so a profile authored on any client means the same thing on all of them.
Only the first two are consumed here; vsync/allow_vrr land in WP3.

WP2 — the engine (present_pace.rs, pure state + arithmetic, 6 tests):
- FrameStore: newest-wins slot, or the smoothing FIFO with preroll-to-capacity,
  drop-oldest overflow, and an underflow that re-arms the preroll (repeat by
  omission) — the Apple/Android semantics, with qDrop/qDry counters.
- LatchClock: the panel grid learned from VK_KHR_present_wait glass stamps,
  min positive spacing capped by the mode refresh (measured, never queried —
  VRR and Android's per-uid refresh lie both punish trusting a reported rate).
  It now also publishes the host-facing LatchGrid, so the phase-lock report and
  the local scheduler cannot disagree about the grid.
- PresentGate: one undisplayed present in flight on FIFO surfaces, with the
  100 ms stale force-open. This is the standing-queue killer, and it is inert
  on MAILBOX/IMMEDIATE and without present timing — where behaviour stays
  byte-for-byte the shipped arrival pacing.

Wiring: glass samples drain every pass (a 1 Hz batch would starve clock and
gate) and the waiter pushes an SDL wake, so a gate reopen never waits out the
event timeout; smoothness serves one frame per latch slot and tightens the
loop's wait to that deadline; the adaptive slot margin starts at 0 and widens
+500 us per missed window toward 2.5 ms (a fixed lead was measured to be pure
display tax). PUNKTFUNK_PRESENTER=arrival disables the whole engine for field
A/B without a rebuild.

PyroWave collapses smoothness to latency for the stream: its plane-ring
retirement accounting assumes the depth-2 newest-wins hand-off, and all-intra
frames make buffering moot anyway.

Gates (punktfunk-rust-ci, linux/amd64, sources touched first so a warm target
cannot print a vacuous Finished): clippy -D warnings across pf-client-core,
pf-presenter and punktfunk-client-session; 80 + 32 tests pass; rustfmt clean.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 00:00:50 +02:00
enricobuehlerandClaude Opus 5 8af6e2dd02 feat(decky): the stats overlay gets an off switch in Gaming Mode
Field report: "as of version 0.23 of this plugin, there is no setting to
toggle off the stat overlay." Correct, and it never had one — no commit in
`clients/decky` has ever touched a stats key. Every other client does:
the GTK dialog, the Windows page, the Apple app, and the console's own
settings screen all carry the four-tier picker.

The tier defaults to on. `Settings::default` is `show_stats: true` and
`stats_verbosity: None`, which `Settings::stats_verbosity` resolves to
Normal — so a Deck that has only ever been configured through this panel
streams with the overlay up and no way here to put it down. What escapes
exist are not discoverable: Ctrl+Alt+Shift+S wants a keyboard, and the
three-finger touchscreen tap is documented in `docs/stats`, not on the
glass. The console's picker is reachable (X on console home), but that is
a different shortcut than the one-tap stream this panel launches, and a
user editing stream settings here has no reason to look there.

So the row lands here, last in the section, matching the console's
wording. It writes `stats_verbosity` AND the legacy `show_stats` in the
same pairing `Settings::set_stats_verbosity` keeps, so a client too old
for the tiers still honours an Off chosen here; it reads them back the
way `Settings::stats_verbosity` does, so a pre-tier file — including
every file this plugin wrote before today — shows the Normal the stream
actually runs at.

`set_settings` stops replacing the file and merges onto it instead. This
JSON is shared with the desktop client and the console, and holds many
more keys than this panel models (decoder, GPU, profiles, touch/mouse
model). The panel reads it once when it mounts, so a wholesale write
posts a snapshot that predates anything another editor stored while it
sat open — silently reverting it. That was invisible until 0.23.0:
`9c5af8d7` fixed the GTK shell handing the session a spec built from
`Settings::default()`, and only since then does this file reach a stream
at all.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 23:53:57 +02:00
enricobuehler e8499e6131 feat(android): wire tier-A pad audio through the capture lifecycle and settings
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The Kotlin half. Turns out Android needs to claim nothing extra: `uac-host`
claims the pad's audio interface itself through usbfs on the fd, and usbfs
claims are per interface, so the HID claim `HidUsbLink` already holds is
untouched. The link therefore surrenders only its file descriptor.

Two orderings carry the whole design, and both are easy to get wrong:

- **Start on the first report, not at claim time.** The wire pad index does not
  exist until the router opens a slot, and the host addresses the 0xD1 stream by
  that index — starting earlier would declare capabilities for a pad that has no
  index yet.
- **Stop before the link closes.** `usb.stop()` closes the connection whose
  descriptor the render thread borrows, so `padAudio.stop()` runs first, at the
  top of `DsCapture.stop()`. `nativeStopPadAudio` does not return until the
  thread is joined, which is what makes the borrow sound rather than merely
  usually-fine.

`DsCapture` decides WHEN (it owns the wire index and the link lifetime);
`StreamScreen` decides WHETHER (it owns the session handle and the settings).
The capture stays ignorant of sessions.

Settings: `padHaptics` defaults on — it is the whole point, and this client's
rumble already drives the same actuators, so tier A is a strict improvement.
`padSpeaker` defaults OFF: it is a small loudspeaker in the user's hands playing
audio they can already hear, and surprising someone with that is worse than
making them opt in.

Verified: APK builds, and both JNI entry points are exported in the shipped
arm64 .so — a missing one would be an UnsatisfiedLinkError only at runtime.
12 Rust tests, 0 clippy findings, fmt clean.
2026-08-02 23:51:28 +02:00
enricobuehlerandClaude Fable 5 d839f4c2b6 fix(client/windows): settings stop going stale behind your back, and the log has a door
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A field reporter's codec setting "changed by itself" between sessions. Nothing writes
the negotiated codec back — what they saw was a stale snapshot. `AppCtx.settings` is
loaded ONCE at process start and the page renders from it, but this process is not the
file's only writer (the spawned session persists its match-window size, the console UI
and Decky save too), so the page showed values another process had already replaced —
until a row was touched and `commit`'s rebase pulled the file in, at which point the
value visibly jumped. The 2026-07-31 rebase fix covered the whole-file writers and
missed two spots: nothing re-based on page ENTRY, and the profile-scope commit arm
cloned the snapshot without reloading, so overlay absorption diffed against stale
globals. Both now re-base on the file.

Two more ways a setting could vanish or cost time:

* An older binary's whole-file save DROPPED a newer client's keys — `Settings` had no
  unknown-key passthrough, unlike `SettingsOverlay`, whose `extra` map already gives
  profiles exactly that contract. Extended to the globals: additive, empty on every
  existing store, and an empty map serializes to nothing so no file churns. (`save()`
  was already temp+rename, so the torn-file → silent-Default reset was closed.)
* "Check the client log" never said WHERE. Settings ▸ About grows an Open log folder
  row (%LOCALAPPDATA%\punktfunk\logs, folder not file so the rotated .old generation
  is in reach), and the failed-spawn banner now names the path.

The 4:4:4 caption said "HEVC only, and only where the host can encode it", which sends
people hunting: the host gate is PyroWave or an NVENC backend. It says so now.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 23:49:45 +02:00
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 Opus 5 b297542c4d feat(clients/input): controllers can stop being forwarded, for couches that hand the pad over another way
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A controller that reaches the host by USB passthrough — VirtualHere and friends, or simply a
pad plugged into the host — arrived there twice: once as the real device, once as the virtual
pad this client built from the same hands. Games read both, so a stick drifts against the
centred second pad and menus take every input twice.

New per-client setting, "Forward controllers", default on (today's behaviour). It is tier-P,
so a profile can decline what another profile forwards.

On Linux and Windows it is deliberately stronger than "send nothing". Opening a controller is
what CLAIMS it — SDL's HIDAPI drivers take the device node — and a claimed device is one a
passthrough tool cannot bind, so with this off the session opens no slot at all and never
enables the Valve HIDAPI drivers. Menu navigation is untouched: the launcher still opens the
active pad, and a session supersedes menu mode whether it forwards or not, so the pad is free
for the whole time a stream is up. The consequence, documented at both the setting and the
chord: the controller escape chord is read off forwarded pads, so it is unavailable there.

The Apple and Android input stacks claim nothing, so those clients keep their slots and their
chords and only gate the wire sends — losing tvOS's only controller way out of a stream would
have been the worse bug. Android does stop its DualSense and Steam Controller 2 USB captures,
which do claim the device.

Surfaces: GTK, WinUI, the console settings screen, Apple's touch and gamepad settings, the
Android touch and gamepad settings, and Decky (which also hides the rows that now have nothing
to act on). Everywhere the "which pad" and "pad type" rows grey out while it is off.

Verified: cargo clippy --all-targets -D warnings + 79 tests on pf-client-core, pf-console-ui,
punktfunk-client-session and punktfunk-client-linux (linux/amd64 container, gate proven
non-vacuous with a planted error); swift build for the Apple clients; gradle compile + 49 unit
tests for Android (likewise proven); tsc for Decky. clients/windows is UNCOMPILED — both
Windows boxes were offline; its edits were reviewed against the helper signatures by hand.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 22:21:26 +02:00
enricobuehlerandClaude Opus 5 c2a6d30d7b fix(android/decode): a codec input slot the feeder can't fill goes back, and so does the AU
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`AMediaCodec_getInputBuffer` returning null for an index the input-available
callback had just handed us dropped both the slot and the access unit on the
floor. Every sibling path in this loop recycles the slot — the orphan-part
discard and the oversize drop both say so in as many words — because nothing was
written and nothing was queued, so it is still ours. Forgetting it leaks one of
the codec's input buffers per occurrence: we never use it again and the codec
never frees what it never received, so the pipeline runs out of input slots,
`pending_aus` overflows into its drop-oldest arm, and the resulting keyframe storm
reads as a decode fault rather than a bookkeeping one.

The AU went with it, silently — no keyframe request, no freeze gate, unlike every
other loss path here — leaving a hole in the reference chain whose concealment
was free to reach the screen.

Both go back now. `break` rather than `continue`, because a codec that cannot
hand out an input buffer it has just advertised is in no state to be fed the rest
of the parked queue on this pass, and retrying the same index against every
parked AU would burn the whole backlog for nothing; the loop comes round again on
the housekeeping wake within 5 ms if it was transient.

Gates: cargo ndk check green on arm64 and armv7, fmt clean, Android clippy at the
same 4 pre-existing warnings as the base commit.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 20:15:45 +02:00
enricobuehlerandClaude Opus 5 20de58a78a fix(android/present): the panel grid can be wrong in both directions, and the margin listens to the latch
Three defects in the 0.23.0 timeline presenter, all found while root-causing the
field report that turned out to be the slice wire. None of them is that bug; all
three are real, and the first is the one that would still bite once it is fixed.

The panel-period learner could only ever narrow. It is seeded from the display
mode Kotlin asked for — and `preferredDisplayModeId` is a REQUEST the system may
refuse (Smooth Display off, battery saver, thermal, an OEM governor). Ask for
120 Hz on a panel that stays at 60 and the presenter pins an 8.33 ms grid on a
16.67 ms display with no way back, for the rest of the session: it then aims at
instants that never arrive and releases faster than the panel scans. The learner
moves both ways now, and lives in `punktfunk_core::phase::PanelGrid` where it is
host-testable and where the iOS and desktop presenters can share it. The
asymmetry is kept and made explicit — narrowing is immediate (a finer real grid
is always safe to subdivide onto, and it is the per-uid down-rate case the seed
most often gets wrong), widening needs eight consecutive agreeing observations
and then takes the narrowest of them, because one wide sample is a missed
callback and eight in a row is a display that really did slow down.

The glass budget was a prediction with nothing underneath it. `OnFrameRendered`
already reports what actually reached glass, but the budget never consulted it,
so a wrong grid could hand SurfaceFlinger frames indefinitely: BufferQueue fills,
MediaCodec runs out of output buffers, the decoder stalls, and the no-output
backstop starts begging for keyframes. Releases are now counted against their
confirms and the presenter holds back past six outstanding — loose on purpose,
since the callbacks are allowed to arrive batched and a held frame in the
newest-wins slot is a dropped one. It self-clears when the confirms catch up, and
writes the ledger off after the same 100 ms the stale reopen uses, so a platform
that stops confirming can never wedge the stream. `qWait` and `unconfirmed` join
the 1 Hz pf.present line, which is what would have made this visible from a log.

The adaptive latch margin widened on `paced_drops` — the newest-wins store's own
policy evictions, which happen whenever the stream out-runs the panel and say
nothing about SurfaceFlinger's latch lead. On a healthy device that walked the
margin to its 2.5 ms ceiling and re-imposed the display latency the P2e sweep had
just measured away. It now widens on the measured latch exceeding one panel
period plus the live margin, which is what a missed vsync actually looks like.

Also corrects two doc comments that named `display.refreshRate` as the panel_hz
source; it has been the mode table since the A024 down-rate fix.

Gates: 278 punktfunk-core lib tests (7 new PanelGrid cases incl. the refused-mode
regression), clippy -D warnings and fmt clean, cargo ndk check green on arm64 and
armv7. Android clippy reports the same 4 warnings as the base commit and no new
ones. NOT yet confirmed on glass.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 20:15:45 +02:00
enricobuehlerandClaude Opus 5 d63e913f52 fix(client/ios): Escape keeps the pointer captured instead of handing it back to iPadOS
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iPadOS releases the scene's pointer lock by itself when Escape is pressed — the platform's
built-in "let me out", mirroring the web Pointer Lock API's default unlock gesture. Nothing in
our code does it: a bare Esc never touches `captured`, and it keeps forwarding to the host as
the game key it is. But the lock going away flips the mouse onto the absolute UIKit path and
un-hides the iPadOS cursor, so pressing Esc for an in-game menu silently cost the capture until
the user clicked into the video to win it back.

Esc is a GAME key in a stream, not a request to hand the pointer back to iPadOS, so an unwanted
drop is now re-requested. `syncPointerLock` arms a short, bounded burst (3 attempts over ~0.6 s,
no restart inside 2 s) whenever the lock is wanted, was previously HELD, and is now gone; the
first attempt re-asserts `prefersPointerLocked`, later ones present a real false→true transition
and re-anchor the PointerLockChain. Every deliberate release (⌘⎋, ⌃⌥⇧Q, the Stream menu,
resigning active) clears `captured` first, so `wantsPointerLock` is already false when their drop
is observed and none of them are fought.

The "previously held" half of the condition keeps a scene that never qualifies (Stage Manager,
Split View) from paying for a lock that isn't coming — there, a first grant is still driven by
the chain engage in setCaptured/viewDidAppear exactly as before.

While a re-lock is in flight the local cursor stays hidden and absolute pointer MOTION stays
muted, so the couple of frames it takes read as "Esc did nothing to my mouse" rather than a
cursor that blinks in and out and a host cursor that teleports to the pointer's absolute
position. Buttons still forward (they carry no position), so a click mid-relock isn't swallowed.
The burst clears itself on give-up, so the cursor can never stay hidden on a lock the system
won't grant.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 12:08:31 +02:00
enricobuehlerandClaude Fable 5 8d7e273a96 feat(client/present): PUNKTFUNK_PRESENT_MODE gains explicit mailbox and fifo_relaxed arms, and the docs stop guessing
The env knob silently folded 'mailbox' and every typo into the default arm,
FIFO_RELAXED was not reachable at all, and clients/session/README.md claimed
the default is FIFO (it is MAILBOX with a FIFO fallback). An AMD-on-Windows
client always lands on FIFO because that driver offers no MAILBOX — now
documented at the picker and in the docs-site client table, next to the ABR
probe/ceiling knobs a field report went looking for and couldn't find.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 09:53:28 +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