Commit Graph
773 Commits
Author SHA1 Message Date
enricobuehler 4bc7eecf05 feat(host/wire): MTU resilience for the video data plane
android / android (pull_request) Successful in 3m25s
windows / build (x86_64-pc-windows-msvc) (pull_request) Successful in 2m13s
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Video datagrams are sealed at a shard payload sized for a clean 1500-byte
MTU (1472-byte UDP payloads). A host whose route to the client crosses a
smaller-MTU hop (a VPN/overlay adapter claiming the LAN route, a lowered
NIC MTU) delivers every small flow — QUIC control, hole punch, input,
audio — while 100% of video datagrams die: the client sits on a black
screen reporting zero loss and the host streams into the void with every
gauge green. Field-reported as 'connects fine, black screen forever'.

Three legs, none of which changes a session on a healthy path:

- PUNKTFUNK_WIRE_MTU operator override: shard payload derived from a
  given on-wire IP MTU. Wire-compatible — Welcome::shard_payload is
  already negotiated per session (the v4/v6 split ships two values
  today) and every client follows the negotiated value.
- Detection: the QUIC MTU-discovery probe ceiling moves from quinn's
  stock 1452 to exactly the sealed video-datagram size (1472), so a
  control connection's settled MTU becomes a verdict on the path:
  settled at the ceiling proves it carries video, settled below proves
  it cannot. A per-session watcher samples after the search has settled
  (live-connection guard against mid-search false learns) and logs an
  actionable WARN naming the failure shape and the diagnosis commands.
- Healing: the measured budget is recorded per peer IP; the next
  handshake clamps shard_payload to fit, so a reconnect self-heals. A
  later session that reaches the ceiling erases the record.

Verified: core 286/286 --features quic + clippy -D warnings (macOS);
host clippy -D warnings + native:: tests 44/44 (pf-lxcheck container).
The regenerated C header picks up the new MIN_SHARD_PAYLOAD constant.
2026-08-04 18:30:33 +02:00
enricobuehler 3eab1e41df Merge remote-tracking branch 'origin/main' into worktree-haptics-m1-rumble-seq
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2026-08-03 19:47:32 +02:00
enricobuehler 48565c4e9e fix(host/abr): stop pinning Automatic sessions, and tell the client when the rate moves
Two host-side halves of the same sweep.

**The cadence latch.** `cadence_degraded` — which makes the control task refuse
bitrate CLIMBS — was latched true for as long as the session was escalated
(adaptive capture depth or pipelined retrieve), independently of whether encode
was still missing deadlines. The client cannot tell that refusal apart from an
encoder's real ceiling: both arrive as a short `BitrateChanged`, and two
identical ones latch a cap. Escalation needs ~20 net behind-frames, which a
startup hitch supplies while the ABR is still in slow start at the 20 Mbps
default — so one transient pinned the whole session there, long after the
escalation had bought back the headroom it was for, and escaping cost +12.5 %
per 60 s. An escalated session is still judged strictly (ANY net behind-frame
keeps it flagged, where an unescalated one gets the full bucket), but being
escalated no longer flags it by itself: escalating exists so cadence CAN be
held, and once it is, refusing climbs refuses the thing that worked. The rule
moves into `encode_behind_cadence` so it is stateable and testable.

**The silent re-target.** `adopt_built_bitrate` publishes the rate a rebuilt
pipeline actually opened at — `build_pipeline` re-resolves an Automatic rate
whenever the source delivers a size the session did not negotiate, the
mirrored-panel case — and the encoder's own clamp can land below what the
control task already acked. Neither reached the client, whose controller keeps
its own copy of that number as its climb base. A 1080p client mirroring a 4K
panel therefore believed 20 Mbps while the host encoded 60, and its first climb
computed from the stale base asked for 40: a re-target DOWNWARD, paying an
encoder rebuild to get there. Both paths now push the applied rate to the
control task, which sends `BitrateChanged` — the existing 9-byte message, which
already means precisely this and which clients already handle arriving
unprompted. No wire-format change, no capability negotiation, old clients
unaffected.

2 host tests added.
2026-08-03 18:53:02 +02:00
enricobuehler 14502769e0 fix(host/input): rumble comes back when a controller does
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Unplug a pad mid-session and plug it back in, and roughly half the time it
never rumbles again for the rest of the session.

The removal arm restarted the pad's rumble sequence counter. The client's
reorder gate does not restart: `rumble_last_seq` lives for the whole QUIC
connection and has no reset path, so it still holds whatever the pad reached
before the unplug. Restarting the host counter therefore hands the client a
seq it has already seen, and its wrapping half-space compare drops every
envelope until the counter climbs back past the stored value — up to 128
sends. Since the counter only advances on a level change or a ~120 ms renewal
while a level is non-zero, that spans many separate rumble events, so it reads
as a flaky controller rather than a clean outage.

Whether it bites is decided by how much the pad rumbled beforehand, which is
why it looks intermittent: a pad that never rumbled before the re-plug has
`None` on the client side and always heals.

The counter now survives, matching the sibling pad-state gate — whose comment
eleven lines above already explains that a re-plug must arrive with a still-
newer seq to be accepted. The three clears that actually end the stale lease
move into `clear_pad_feedback`, whose signature deliberately has no seq
parameter so the arm cannot regress by editing.

Covered by a regression test that drives the real wire encoder and the real
client gate, and asserts the pre-fix behaviour is genuinely rejected across
the whole forward window, so it cannot pass vacuously.

Found by the 2026-08-03 force-feedback sweep (B1/T5 — see the backlog in
punktfunk-planning design/haptics-sweep-2026-08-03.md).
2026-08-03 16:57:11 +02:00
enricobuehlerandClaude Opus 5 442ea12b96 test(mgmt): pin the two things that would silently break plugin logging
The runner holds the PLUGIN token and nothing else — on Windows its LocalService
principal cannot read the admin one at all. `plugin_may_access` is an exclusion
list, so `/plugins/logs` is reachable today only because it happens not to match
`/ui-credential`. If that ever changed, plugin logs would go quiet in the console
with no other symptom and no failing test. Now asserted on that lane directly.

The second test covers ingest end to end through `GET /logs`: the `plugin:` target
prefix the console's Host/Plugins filter keys on, the level coercion (an unranked
level would sort as 0 and hide under every filter setting), a sourceless line
being attributed to the runner rather than to nothing, the caller's timestamp
surviving the trip, and an oversized batch being refused whole.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 15:56:25 +02:00
enricobuehlerandClaude Opus 5 365caa23be fix(plugins): plugin output reaches the console's log page, and /tmp is no longer hidden from the runner
A user could not get the VirtualHere plugin to use their VirtualHere client
and asked, reasonably, where the logs were. There was no good answer, and the
reason they were stuck turned out to be ours.

**The runner could not see /tmp.** `punktfunk-scripting.service` set
PrivateTmp=yes, which hands the unit a private tmpfs. But integrating with
things already running on the box is the entire job of a plugin, and on Linux
those talk over /tmp: VirtualHere's client IPC is the FIFO pair /tmp/vhclient +
/tmp/vhclient_response, X11 is /tmp/.X11-unix. So the plugin launched the vendor
binary happily and could then never reach the daemon behind it — while the same
command worked perfectly in the operator's own shell, because that shell has the
real /tmp. No config change could fix it, which is exactly the loop the report
described. PrivateTmp is now off, with /tmp added to ReadWritePaths (which
ProtectSystem=strict would otherwise make read-only).

**Plugin logs now land in the console.** Plugins are not host child processes —
the runner is a separate bun process that import()s each plugin in-process — so
nothing they print passed through the host's tracing, and the console's Logs
page could not show a single plugin line. The fallback was journalctl on Linux;
on Windows the runner's scheduled task writes no log file at all, so a failing
plugin was diagnosable only by stopping the task and re-running the runner by
hand. Both mean shell access on the host box, which is what the console exists
to avoid — and it left the one question a stuck user asks with no answer.

So the runner now tees its output to POST /api/v1/plugins/logs, and those lines
join the host's own ring under one cursor, targeted plugin:<name>. The console
grows a Host/Plugins switch beside the level filter; an empty Plugins view says
the thing that is actually usually wrong (the runner isn't running) rather than
"adjust the filter".

The shipper keeps stdout authoritative — journald and foreground output are
unchanged whatever the host is doing — and is built so that logging can never
hurt the thing being logged: it never throws into a caller, holds a bounded
queue that drops oldest and then says how many, backs off when the host is away
(a restart is normal), and re-sends a batch the host failed to take. Lines
logged while a POST is in flight are kept, which cost one round to get right:
the first version held its recursion guard across the await and silently dropped
exactly the lines a busy plugin produces.

Runner lines that report a failure (a refused unit file, a crashed plugin, a
give-up) now go out at warn/error instead of all arriving as INFO, so the
console's level filter means something for them.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 15:47:51 +02:00
enricobuehlerandClaude Fable 5 98e040fd01 fix(host/stream): the wire holds the session rate when the display outruns it
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PUNKTFUNK_VDISPLAY_HZ_MULT promises extra display refreshes without one
extra frame on the wire, but the frame-driven trigger enforced its pace only
as a per-gap floor: sleep to 0.9×interval, then wake on arrival. A source
that always has a frame pending — the overdriven display under uncapped
content — settled at 0.9-interval spacing, 1.11× the negotiated rate. That
is the field report's 132 fps on a 120 fps session: ten percent more
bitrate, encode and decode for frames a 120 Hz panel can only drop.

A credit bucket (PaceBudget) now pins the long-run average at the pacing
rate: credit accrues at one frame per interval of real elapsed time, capped
at 1.25 frames of post-stall burst, and every submitted frame spends one. A
grab may run early only against banked credit, so the 0.9 floor keeps its
per-gap jitter headroom while the average cannot exceed the rate — and a
source at or below it banks faster than it spends and is never delayed.
Anchoring to real elapsed time also keeps the synchronous-encode overlap the
arrival-anchored floor bought (the owed fraction absorbs a constant encode
tail instead of stacking on top of it), and it cannot fight the phase lock's
submit grid: both agree the period is the interval.

The charge lives under the same guard as the gate — the legacy fixed tick
paces by its own grid, and charging it without ever accruing would bank
unbounded debt that stalls the loop if a rebuild later flips the capturer to
arrival-wait.

Verified on .25: native::stream tests 15/15 (three new PaceBudget tests),
punktfunk-host 369/369, clippy -D warnings clean, fmt clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 21:54:09 +02:00
enricobuehlerandClaude Fable 5 5174a59832 fix(capture/kwin): a hidden cursor leaves the stream — KWin's id-0 meta is the hide
Since the 0.22.0 cursor work (the seat-pointer park + the metadata
composite), a KWin capture-model stream always has a cursor — and it never
went away again: not in game, not in Big Picture, not with a controller in
hand (field report, 2026-08-01). The host blended the arrow forever because
pf-capture deliberately ignores SPA_META_Cursor id 0, and once `visible`
latched true nothing on Linux ever cleared it.

Two producer contracts meet on id 0, and one flag now carries which one a
stream follows. KWin rewrites the cursor meta on EVERY enqueued buffer and
writes id 0 whenever Cursor::isOnOutput says the pointer is not in this
stream — which covers both a globally hidden cursor and a client null-cursor
surface (empty geometry intersects nothing). There id 0 IS the hide, and
honoring it is what lets a game hide the pointer mid-stream. Mutter only
rewrites a buffer's meta when the cursor changed, so recycled buffers carry
stale id-0 regions between damage frames — honoring those flickered the
cursor off between hovers (on-glass round 5), and that path keeps its
last-known-state behavior.

The flag rides from the backend that created the output (correct for
registry-pooled reuse too — a kept display only ever matches its own
backend) through capture_virtual_output into the parser's CursorState. The
portal-monitor path stays on the stale-meta contract: the only thing routed
through it today is Mutter's HDR mirror.

Verified on .25: pf-capture 45/45, punktfunk-host 369/369, clippy
-D warnings clean (pf-capture, punktfunk-host, cursor-probe), fmt clean.
On-glass KDE validation still owed.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 21:54:09 +02:00
enricobuehlerandClaude Fable 5 652abeb397 fix(host/audio): an unsatisfiable wiring plan waits for an endpoint change instead of hammering
Field case 2026-08: the display isolate invalidated the only real render
endpoint; the mic held the Steam Streaming Microphone, the Speakers were
blacklisted, and the capture loop re-ran the full wiring pass — three
IPolicyConfig SetDefaultEndpoint writes included — every 2 s for 8+
minutes, retrying a verdict that could never change.

- wiring_plan: a plan with no loopback is a typed structural verdict
  (Wiring::loopback_unsatisfiable + an endpoint-set fingerprint); the
  dead leftover() tier (byte-identical to real_hw()) becomes a real last
  resort that accepts ONLY the Steam Streaming Speakers, flagged
  loopback_last_resort — a known-silent-loopback QUALITY risk, never the
  cable/VoiceMeeter echo CORRECTNESS risks. excluded_from_loopback stays
  untouched (judge_default's mid-stream snap-back semantics).
- wasapi_cap: an unsatisfiable plan errors ONCE per topology with the
  render inventory, per-endpoint rejection reasons and only the remedies
  not already taken, then parks on a cheap enumerate-and-hash poll and
  re-plans the instant the set changes; transient failures get a real
  capped exponential backoff (2 s → 60 s, reset on success or set
  change); a last-resort capture re-plans on any set change and promotes
  the 30 s zero-packet breadcrumb to warn.
- audio_control: the recording default is asserted only when the plan
  changed or the default drifted — set_default_endpoint fires all three
  SetDefaultEndpoint roles unconditionally, so the 2 s loop silently
  stomped any operator recording-device change; the "attach one, or let
  the host install the Steam Streaming pair" warn (already satisfied in
  the field case) is replaced by the same diagnosis.

Verified: 19/19 wiring_plan tests (native rustc --test and the Linux CI
image via docker); both Windows files type-check and clippy clean
against wasapi 0.23.0 / windows 0.62.2 for x86_64-pc-windows-msvc via an
xcheck-style stub harness (the in-tree target check dies in
openh264-sys2's build script on macOS, as scripts/xcheck.sh documents).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 09:53:36 +02:00
enricobuehlerandClaude Fable 5 48511d1267 fix(abr): probe throughput is measured over the client's receive interval
The capacity probe divided client-side bytes by the HOST's burst
duration — a window wrong on both edges (base snapshotted before the
burst reached the host, frozen only when the ProbeResult landed, while
the host's clock stops the moment ITS send window closes, before the
switch/kernel queue finishes draining toward the client). On a 1 GbE
link a 2 Gbps burst target "measured" 1266 Mbps and set an 886 Mbps
climb ceiling the link could never carry — permanent for the session,
because set_ceiling never lowers.

The reassembler now stamps probe-scoped counters (bytes, packets,
first/last arrival, monotonic ns) at its FLAG_PROBE routing, so video
around the burst contaminates neither numerator nor denominator; the
throughput divisor is the client's first→last arrival interval, with
the host duration kept as the fallback when fewer than two probe
packets arrived. The user-facing speed test shares the corrected
computation (ProbeOutcome/PunktfunkProbeResult layouts unchanged;
elapsed_ms docs updated to the new semantics).

Two guards ride along:
- PUNKTFUNK_ABR_MAX_MBPS clamps inside set_ceiling — the one funnel
  every learned ceiling passes through — so a user cap binds no matter
  what any probe concludes.
- The controller latches decode_cap_kbps when two CONSECUTIVE backoffs
  carry decode-severe evidence (deep decode excursion or jump-to-live
  flush) at a similar pre-backoff rate, mirroring host_cap_kbps for the
  client decoder: a knee below the link ceiling was a permanent 30-60 s
  sawtooth costing a flush + dropped-frame burst per cycle (1440p120
  HEVC field case, knee ~490 Mbps). One spurious flush never latches;
  the cap re-probes on the CAP_REPROBE_WINDOWS clock, so it lifts when
  the decoder recovers.

Also rights the three stale "3 Gbps" probe-clamp comments (the host
constant has been 10 Gbps since MAX_PROBE_KBPS moved).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 09:53:36 +02:00
enricobuehlerandClaude Fable 5 0d004c4680 fix(host/handshake): the 4:4:4 gate names the encoder backend, not the capturer
capture_supports_444 was an encoder-backend fact (direct NVENC or PyroWave)
logged under a capture-ish name — a field report burned real time hunting a
capture problem because of it. The 'encode chroma' line now says
ingest_chain_supports_444, a requested-but-declined session logs WHICH gate
lost, and the console UI's Full chroma explainer names the real requirement.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-02 09:53:29 +02:00
enricobuehler ea469162f9 fix(docs): three doc comments start a markdown list they never meant to
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Windows clippy on the v0.23.0 tag: `doc_lazy_continuation` in
crates/pf-client-core/src/audio_wasapi.rs:37. The cause is one line break —
`+ wire cost.` begins a line, so the markdown parser reads `+` as a bullet
marker and the following line becomes a lazy continuation of that list item.

Fixed by reflowing so the `+` is mid-line rather than by taking clippy's
suggested indent: indenting would keep the accidental bullet in the rendered
docs, which is the actual defect. Same treatment for the two siblings a sweep
of every `///` line found, both invisible to the Linux gate for their own
reasons:

- gamestream/audio.rs:237 — `+ libopus;` at line start, on the
  cfg(not(linux/windows)) stub, so only a macOS clippy would ever see it.
- mgmt/tests.rs:1653 — `404.` at line start IS an ordered-list marker
  (CommonMark: 1-9 digits + `.`), and it is behind cfg(test), so only an
  --all-targets run sees it.

This is the [[Windows clippy sees what the Linux gate structurally cannot]]
shape again: audio_wasapi.rs is cfg(windows), so no amount of Linux CI would
have caught it.

Verified: a scanner over every .rs doc comment in the tree now reports zero
line-initial list markers with an unindented continuation; rustfmt clean (it
does not reflow doc comments, so these edits are stable).
2026-08-01 01:30:45 +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 f3a39df7b3 test(host/audio): prove a reopen recovered with a live uplink, not one frame
`reopens_after_push_death` failed about one run in nine, and widening its
timeout did not help — the earlier commit blamed the backoff and was wrong.

The pump drops whatever queued while it was down: audio from before the
device came back is stale, so a fresh instance drains the channel right
after opening. The harness counts `opens` from the START of the open, so
the moment the test sees the counter move, the pump has not reached that
drain yet. The single frame it then sent landed inside the drain window and
was discarded exactly as designed, leaving the test waiting for audio that
was never going to arrive.

So the test now keeps feeding, which is what a real uplink does and what
the drain assumes. The sequence advances each time or the de-jitter reads
the repeats as duplicates and drops them for a second, correct reason.

Production behaviour is unchanged: this was the test asserting something
the pump never promised.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:41:07 +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 10a1863cc7 test(host/audio): give the reopen tests longer than the backoff they wait for
`wait_until` allowed 200 × 10 ms — exactly the 2 s `backoff_start` the reopen
path spends before it can succeed. On a warm, idle machine it wins the race;
on a cold binary or a loaded box it does not, and `reopens_after_push_death`
failed 3 of ~5 cold runs while gating this branch. CI is always cold.

Six seconds costs nothing when the test passes and only delays a genuine
failure, so the budget now clears the backoff with room to spare.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-01 00:15:54 +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 Fable 5 9f72a3b6ad feat(host): HDR and 4:4:4 stop being mutually exclusive on Windows
windows-host / package (push) Failing after 22s
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An HDR display cost you full chroma: the IDD-push capturer's only 10-bit
output was P010, so a session that negotiated 4:4:4 on an HDR desktop was
converted to 4:2:0 at capture time — *after* the Welcome had already told
the client 4:4:4. The client believed it (nothing on the wire contradicts
a Welcome), and the new chroma tag in the stats overlay is what finally
made the discrepancy visible.

Everything except the source was already in place, which is why this is
small: the NVENC config layer has stamped `FREXT` + `chromaFormatIDC=3` +
`pixelBitDepthMinus8=2` — HEVC Main 4:4:4 10 — with a unit test since the
4:4:4 work landed, `PixelFormat::Rgb10a2` already maps to `ABGR10` and
already counts as a full-chroma input, and the desktop client learned the
10-bit 4:4:4 Vulkan pool format in 74863c96. The one missing piece was a
capture format that keeps 10 bits AND full chroma.

`HdrRgb10Converter` is that piece: one full-res pass from the FP16 scRGB
desktop to packed `R10G10B10A2` in BT.2020 PQ, reusing the P010 shader's
`scrgb_to_pq2020` verbatim so both HDR outputs share bit-identical colour
math — it simply stops before the RGB→YUV matrix, the studio-range
squeeze and the chroma decimation. NVENC then does the CSC to YUV 4:4:4
itself under FREXT, exactly as the SDR BGRA passthrough has always done
at 8 bits.

No swizzle is involved and that is worth stating, because it looks like
it should be: NVENC names packed formats from the MSB down, so its
`ABGR10` (A2B10G10R10) puts R in the low 10 bits — bit-identical to DXGI
`R10G10B10A2_UNORM`. It is the same relationship the proven SDR pair
relies on between DXGI `B8G8R8A8` and NVENC's `ARGB`.

The honesty gap closes as a consequence: `capturer_supports_444` no
longer has a depth it cannot serve, so the chroma resolved before the
Welcome is the chroma the wire carries. AV1 is deliberately untouched —
Range Extensions are HEVC-only and no consumer encoder does AV1 4:4:4.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 23:06:44 +02:00
enricobuehlerandClaude Fable 5 79856d2c50 fix(host/audio): a VoiceMeeter box can no longer loop the mic into the stream
wiring_plan could hand the mic Voicemeeter Input and the loopback
Voicemeeter Aux Input — two strips of the same internal mixer, i.e. a
digital feedback loop with no acoustic path to break it, because
leftover() never asked virtualish() and the exclusion list only knew
"cable" and the Steam Speakers. Now every VoiceMeeter or generically
"virtual" render is excluded from loopback, and the last-resort tier
refuses anything virtual: a box with only mixer endpoints gets
loopback=None, honest like the cable-only case.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 22:11:17 +02:00
enricobuehlerandClaude Fable 5 efac33fd33 feat(host/audio): the virtual mic buffers for the client it has, not the worst one ever
The mic pump grows a real de-jitter (audio/mic_jitter.rs): a two-frame
reorder window in front of the decoder, libopus concealment on sequence
gaps (up to 5 frames — a lost datagram no longer drains the ring into a
silence + re-prime crackle), and an adaptive target depth measured from
inter-arrival jitter, clamped to 10–60 ms. Both backend rings now prime
at one consumer quantum + that target: the old bursty Mac client still
measures ~42 ms and lands where the fixed 48 ms prime protected it, a
modern 10 ms-cadence client settles at ~25–35 ms, and a 2048-frame
recorder on Linux stops buying 128 ms of latency from the 3-quanta
clamp. Depth stuck above target sheds near-silent frames a few ms per
100 ms — never speech, never a hard clear.

PUNKTFUNK_MIC_LEGACY_BUFFER=1 (documented) is the one-release escape
hatch back to the fixed constants, and a "mic uplink health" line every
30 s (depth/target, cadence, gaps, conceals, reorders, drops, re-primes)
finally says which side of the link a bad mic lives on.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 22:11:08 +02:00
enricobuehlerandClaude Fable 5 6286f91f89 feat(host/audio): the mic uplink keeps its sequence, and a backlog heals itself
The 0xCB datagrams always carried a seq + pts, and the ingest threw both
away one line after decoding them — the pump saw an anonymous byte pile.
Frames now travel as MicFrame {seq, pts_ns, opus} so the de-jitter that
follows can reorder, conceal and measure.

The shared queue also stops being a latency reservoir: cap 64 → 12, and
a pump that wakes to a backlog deeper than 6 frames jumps to the newest
4 instead of replaying the pile — before this, a scheduling stall could
park up to 1.28 s of standing mic delay that only a >600 ms silence gap
ever flushed.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 21:50:29 +02:00
enricobuehlerandClaude Fable 5 5926306a4c feat(windows): the web console becomes a supervised child of the host service
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Three silent console outages in one week (0x1 / 0xFFFFFFFF / 0x41306),
each a different proximate cause of the same structural defect: the
console's lifecycle was owned by Task Scheduler — one best-effort start
per boot/logon/install, no retry on a plain non-zero exit, no watchdog —
while the product already shipped a real supervisor.

The service now supervises the console as a second child slot: plain
session-0 spawn (suspended → own no-breakaway kill-on-close job →
resume), started only once the host has written mgmt-token + cert.pem +
key.pem (the cert race dies by construction), secrets read from their
files at every respawn, bun's stdout finally captured in logs\web.log,
doubling backoff 0.5s→60s that never gives up. Session switches never
touch it; a service stop takes it down via the job.

The PunktfunkWeb task is retired: web setup slims to password + legacy
task delete + firewall, the 127-line web-run.cmd batch supervisor is
deleted, an [InstallDelete] entry reaps the stale copy, and service
install now sets SCM crash-recovery actions (restart 1s/5s/60s) since
the console rides on the service process. StopBunRuntimes stays for the
scripting runner + the one migrating upgrade.

Design: punktfunk-planning design/windows-web-console-lifecycle.md

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 20:16:19 +02:00
enricobuehlerandClaude Opus 5 020306b5ac fix(packaging,host): a fresh Linux install can start, and the comments stop lying
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Fallout from the documentation sweep: verifying doc claims against the code
turned up defects in the code and the shipped templates. Mostly comments that
describe behaviour we no longer have — which is how the docs went wrong in the
first place, since someone reads the comment and writes the page.

The one that mattered: a fresh deb/RPM/Arch install could not start the host at
all. The unit's `EnvironmentFile=` had no `-`, making host.env mandatory, and no
package creates it — all three ship only the templates under /usr/share and the
postinst merely prints the copy command. So `systemctl --user enable --now
punktfunk-host` died on "Failed to load environment files". Every field in
HostConfig::from_env resolves through unwrap_or/filter/None, so absent means all
defaults, exactly like a hand-run `serve`; the Nix module already wrote it as
`-${environmentFile}`. The Deck installer's own generated unit gets the same
prefix for the case where an operator later removes the file.

Shipped templates: PUNKTFUNK_SECURE_DDA is read by nothing (DDA/WGC are gone;
IDD-push is the sole Windows capture path and the secure desktop is
unconditional), so it stops being written into a fresh host.env;
PUNKTFUNK_INPUT_BACKEND offered a `uinput` value that does not exist and omitted
`kwin`, which is what a KDE session actually resolves to; PUNKTFUNK_RENDER_ADAPTER
no longer claims to pick a "Desktop-Duplication" GPU.

Comments corrected rather than deleted, since each explains a real why:
PUNKTFUNK_10BIT is default-on with explicit-off grammar, not an operator opt-in;
GNOME reaches EIS through Mutter's direct RemoteDesktop API, so it needs no portal
approval and is headless-capable; and the host does not run in session 0 — the
service is the session-0 supervisor and the host runs as SYSTEM in the interactive
console session, which is why game_term has to bind the input desktop at all.

packaging/bazzite/update-punktfunk.sh is now installed to /usr/share/punktfunk/,
so the command the docs promised exists.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 18:46:38 +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 440cb8d1ec feat(core/wire): streamed AUs cut blocks at slice boundaries, not at 5.5 MB
The streamed-AU path only ever flushed a block when a full FEC block's
worth of bytes accumulated - at real bitrates a frame finished encoding
before that, so every AU degenerated to one tail-heavy send and the
overlap the sentinel wire was built for never happened.

Now a slice boundary flushes every whole shard (floored at
MIN_STREAM_BLOCK_SHARDS so per-block parity stays economical), which
means blocks are variable-size and can no longer be addressed by the
uniform block_index * K_max formula. USER_FLAG_SLICE_STREAM marks such
frames on every packet: sentinel blocks reuse frame_bytes as their
shard-aligned base offset, the final block's base derives from the
totals, and the receiver pins/validates positionally (sentinels must sit
strictly below the final block's base; a mixed-flag or out-of-range
header is dropped before it can place a byte).

The AU's own flag bit gates the wire shape, and the host sets it only
toward clients advertising STREAMED_AU + MULTI_SLICE, so shipped
receivers keep seeing the byte-identical legacy sentinel
(PUNKTFUNK_SLICE_STREAM=0 pins legacy for A/B). Both sides bound the
per-frame block count by the same floored formula, and the flush loop
cuts as many blocks as a chunk completes - a slice bigger than one FEC
block can't leave an oversized final block behind.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 14:14:46 +02:00
enricobuehlerandClaude Opus 5 78926be4ac fix(store): a plugin install lands in the plugins dir, not the nearest package.json above it
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Installing any plugin from the console failed on a user's Fedora 44 host with

  plugin store job failed: @punktfunk/plugin-virtualhere is not present after install

while the same version installed fine on every box we tried. The difference turned
out to be a file in his home directory.

`bun add` does not install into its working directory. It walks UP to the nearest
ancestor `package.json` and installs into that tree. A fresh plugins dir has no
`package.json` — the store and the runner only write `bunfig.toml` — so any stray
one above it captures the install: the packages land in `~/node_modules`, the
dependency is written to `~/package.json`, bun prints "installed …" and exits 0,
and the plugins dir stays empty. The plugins-dir `bunfig.toml` is not read in that
case either, so the outcome splits on whether `@punktfunk` resolves in the hijacked
tree: with no scope mapping there it 404s against npmjs and exits 1 ("the plugin
runner exited with status 1"); with one, it succeeds into the wrong tree and the
job dies on the presence check instead. Only the second shape looks like a broken
store, which is why this took a reproduction to find.

Seed the plugins dir with a `package.json` so it owns bun's install root. Three
call sites rather than one: the store job, the `plugins add` CLI, and the SDK's
`ensurePluginsDir`. The runner ships as its own package and can predate the host
binary, so the host cannot delegate this — the same reason `ensure_bunfig_scope`
writes the registry mapping on this side rather than passing a runner flag.

Seeding only ever touches a tree with no `node_modules`. A dir with packages and
no `package.json` is the hand-assembled/older layout that `installed_packages`
deliberately falls back to the naming convention for, and dropping an empty
`dependencies` on it reports every plugin the operator runs as uninstalled —
already pinned by `an_emptied_dependency_list_means_nothing_is_installed`.

The residual failure stops dead-ending: if the presence check fails anyway, the
error names the capturing ancestor and what to do about it.

Reproduced and fixed on glass (Nobara 44 VM, host + runner 0.22.3): with a stray
~/package.json the store reproduces the field report byte for byte — same 150 ms,
same phase sequence, same message — and with the plugins dir seeded the same
install lands correctly with nothing leaking into the home dir.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-31 12:48:25 +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 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 74ca42568a fix(host/phase-lock): a dead error signal freezes the hold instead of orbiting the period
First on-glass closed-loop run (NP3 ↔ .173, canary 0.23.10498) proved the
transport and both endpoints work — and exposed the controller chasing a
statistic that cannot respond: under period-spanning arrival jitter the
client's latch DISTRIBUTION is ~uniform mod the refresh, so shifting its
mean (the hold — provably reaching the client: the paced-drop bursts locked
to each wrap) cannot move its MEDIAN. The controller stepped +2 ms/s in one
direction forever, wrapping the period every ~4 s, and every wrap coalesced
~30 frames at the client — a periodic hiccup that must not ship.

The controller now remembers its last error: three consecutive steps that
fail to move it ≥1.5 ms freeze the hold (kept, not zeroed) and log; a later
report whose error moved re-arms stepping — a tight-jitter regime still
locks exactly as designed. Controller v2 (a circular phase statistic with a
coherence gate, per the design doc's follow-ups) replaces the median
outright; this freeze stays as its safety net.

Gate: docker amd64 clippy --all-targets -D warnings (host, nvenc) clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-31 10:12:56 +02:00
f6cfe382fd refactor(update): one signed-manifest checker, shared by the host and the client
The host has known how to answer "is a newer build available for this box's
channel?" since the update-from-web-console work. The Linux client is about to
need the same answer from the same signed document, and a trust rule that lives
in two places is a trust rule that will drift.

So the parts where being wrong is a security bug now exist exactly once, in the
new `pf-update-check`: Ed25519 verification against pinned keys, the manifest
schema and its fail-closed validation, the post-redirect fetch, the version
comparison that has to reconcile four different canary spellings, and the
install-kind ladder — the last parameterised by which product is asking, since
the delivery channels are the same ones but the markers are not.

The pinned key list moves with them. Two lists could have disagreed about who
may announce a release, and the one that drifted is the one nobody would have
noticed; `publish-update-manifest.sh` follows to the new path, and a MISSING
keys file there is now fatal rather than a warning that silently skips the
cross-check the step exists to perform.

Host call sites are unchanged throughout: `store::index` and `update::manifest`
re-export from the shared crate under their old names, and `update::detect`
keeps its cached `detect()` and the host's command hints. Verified with clippy
-D warnings on Linux and on Windows (nvenc,amf-qsv,qsv), 340 host tests green.

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 f87c1e6cec fix(encode): gate multi-slice frames on the client's decoder — the 0.17.0 Chromecast crash
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Field report: since 0.17.0 a stream to a Chromecast with Google TV 4K
freezes on the first frame and ~80% of the time crashes + reboots the
DEVICE — with both the Punktfunk app and Moonlight, while an Xbox
Series S is fine. Root cause: LN1 Phase 3 (67b79810) defaulted Linux
direct-NVENC to 4 slices per frame for EVERY session. Amlogic HEVC
decoders wedge on multi-slice AUs — exactly why moonlight-android
requests slicesPerFrame=1 for every hardware decoder (4 only for
software slice-threading) — and our RTSP parser never read the request.
The Phase-3 commit recorded the untested leg ("a live Moonlight re-test
joins the standing owed Moonlight item"); this report is that re-test.

The slicing ceiling now belongs to the CLIENT, threaded as open_video's
new max_slices from both planes:
- GameStream: parse x-nv-video[0].videoEncoderSlicesPerFrame into
  StreamConfig and honor it; absent/out-of-range (pre-auth input) => 1.
- punktfunk/1: new Hello cap VIDEO_CAP_MULTI_SLICE (0x80 — the byte's
  LAST free bit; the next cap needs a second byte + ABI bump).
  SessionPlan.max_slices = 32 with the bit, 1 without, applied to every
  encoder the plan opens so rebuilds can't change the wire shape. The
  desktop session client advertises it (FFmpeg/D3D11VA/Vulkan decode
  stacks are fine); Android/Apple stay off until they can decide
  per-decoder like Moonlight does — the cap is embedder-set decoder
  truth, never OR'd in by the shared pump.
- Linux direct-NVENC clamps its Phase-3 default to the ceiling
  (resolve_slices(codec, 4.min(max_slices))) and logs slices/max_slices
  in the caps-probe line; PUNKTFUNK_NVENC_SLICES stays the explicit
  operator override in both directions. Windows keeps its single-slice
  default untouched.

Also repairs the nvenc_cuda #[ignore] hardware tests: d2c46eaf added
open()'s cursor_blend param without updating them, invisible because CI
never compiles tests with the nvenc feature.

Verified on .21 (RTX 5070 Ti): pf-encode + host check/clippy clean with
nvenc; host unit suite 263/0; rtsp announce tests 7/7 incl. the new
slicesPerFrame coverage; on-hardware smokes — default e2e still 4
chunks/frame, NEW single-slice client-ceiling test clamps + disarms
chunked poll with no env involved, env escape unchanged. rustfmt clean.
Windows leg (prepare_display param) is CI-only.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 22:23:42 +02:00
enricobuehlerandClaude Opus 5 d9912aa795 fix(windows/update): an update puts the status tray back instead of killing it for good
Every update started from the web console killed the tray permanently. Three
pieces had to line up, and they did: the installer's StopTrays force-kills every
punktfunk-tray.exe (it is one of the files being replaced), its relaunch is a
[Run] entry flagged skipifsilent, and the in-console updater spawns the installer
with /VERYSILENT. So the tray died on every such update and waited for the next
sign-in, because the Run value is a logon trigger. Confirmed on a box whose tray
was absent while its Run key, its exe and a session signed in hours before the
update were all present.

The installer cannot fix this itself. Spawned from the SYSTEM host service, its
`runasoriginaluser` resolves to SYSTEM — so relaunching there would place a
SYSTEM-owned tray in the user's session, where it would hold the per-session
Local\PunktfunkTray mutex and block the real tray at the next sign-in. Strictly
worse than the bug.

The host does it instead, because only the host has the right token. IntentRecord
gains tray_was_running, captured before the installer is spawned (reusing the
conflicting-host scan's process snapshot rather than opening a second one), and
boot reconciliation reads it off the intent before reconcile consumes it and
relaunches through tray::start(). Restored on both terminal outcomes — a
rolled-back install killed the tray just as dead as a successful one — but never
while an apply is still in flight, where the installer may only kill it again.

The field is serde(default), so an intent written by an older host reads as false
and behaves exactly as before; covered by a test.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-30 20:42:50 +02:00
enricobuehlerandClaude Opus 5 c77823d800 feat(windows/tray): punktfunk-host tray start|stop|status, so a dead tray is one command away
The status tray is a per-user, per-session GUI process with no recovery path of
its own: the HKLM Run value only fires at sign-in, and nothing in the product
ever restarts one. Anything that kills a tray — an upgrade's StopTrays, a crash —
therefore left the operator without an icon until they signed out and back in,
with no way to ask for it back.

windows/tray.rs becomes the one place that knows tray lifecycle (find, start,
stop, is-running), so the CLI and post-update reconciliation share an
implementation rather than growing two.

start() cannot simply spawn the exe, because the launch crosses a privilege
boundary in one direction only:

  - from the host service (SYSTEM) the tray must land in the active console
    session under the LOGGED-IN USER's token, which is WTSQueryUserToken +
    CreateProcessAsUserW and needs SE_TCB — SYSTEM-only;
  - from a shell already in the console session that call fails (an administrator
    does not hold SE_TCB either) and a plain spawn is both sufficient and right.

Trying the privileged path and falling back discriminates the two without
inspecting a token, and adds no unsafe to the crate. But a plain fallback from
ssh/RDP would put a tray in a session nobody can see and report success, so on
failure it consults console_session_mismatch() and refuses with an explanation
instead. stop() is graceful first (--quit lets the tray remove its own icon via
NIM_DELETE, as the uninstaller does), then forces any instance in another session.

Verified on Windows: launched from a SYSTEM scheduled task the tray comes up in
the console session owned by the interactive user, not SYSTEM; from an ssh
session (0 -> console 2) it refuses; a second start is a no-op; stop is graceful
and idempotent.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-30 20:42:50 +02:00
enricobuehlerandClaude Opus 5 3bb30cb2f6 fix(windows/web-console): a bun exit no longer parks the console until the next sign-in
The PunktfunkWeb task registers RestartCount=10/PT1M, but Task Scheduler honours
restart-on-failure only when the action crashes or fails to start — never for a
plain non-zero exit. So any bun exit left the console down until the next boot or
interactive logon, with the host still streaming perfectly next to it. Seen on
glass on a 0.22.3 upgrade: `web setup` started the task one second after the new
service came up, bun exited at once (Last Run Result 0xFFFFFFFF), and the console
sat dead for hours while its box served clients — which reads to an operator as
"the host is gone".

web-run.cmd now supervises bun instead of exiting with it: restart on any exit,
indefinitely for a console that served a while and then died, but give up after
10 CONSECUTIVE fast exits so a genuinely broken install still surfaces as a failed
task. Any run lasting >= 60s resets that counter. It exits 0 rather than
respawning when the payload disappears, so an uninstall does not make it spin.

Uptime is measured with an unambiguous clock rather than parsed out of %TIME%,
which is locale-formatted (12-hour locales append " PM", many others use ',' as
the decimal separator) — the box this was found on prints 18:36:28,39.

stop_web_console() polls until :47992 is really free instead of sleeping a blind
second: both `schtasks /end` and `taskkill /F` are asynchronous, and web_setup
starts the new task immediately afterwards, where bun cannot bind a port the
corpse still holds. It re-ends the TASK halfway through, not just the listener —
with the launcher now supervising, killing bun alone would be undone by its own
restart loop.

The systemd unit had the same shape of hole: Restart=on-failure leaves a console
that exited 0 down. Now Restart=always, which an explicit `systemctl stop` still
overrides.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-30 20:42:50 +02:00
enricobuehlerandClaude Fable 5 696386dee7 fix(host/windows): clippy — SAFETY comments on the WinTrust FFI, explicit truncate(false), sort_by_key
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windows-host.yml's clippy sees what the Linux gate structurally cannot (cfg(windows)
code); verified with the same clippy line on the runner this time, not just cargo check.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 17:42:25 +02:00
enricobuehlerandClaude Fable 5 3b1485e2a1 fix(plugins/windows): the runner can read its own bundle, so it actually starts
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Enabling the plugin runner did everything right and then nothing happened.
The task went Ready with LastTaskResult 1 within a second of every start, and
the console kept showing it enabled-but-not-running with nothing to explain
why. Task Scheduler discards the action's output, so the reason never
surfaced anywhere:

  error: EPERM reading "C:\Program Files\punktfunk\scripting\runner-cli.js"

This file already knows why. RUNNER_UNIT_DIRS carries the note that bun opens
the files it loads asking for FILE_WRITE_ATTRIBUTES on top of read, so a plain
(RX) grant makes them die with EPERM — found on glass when the plugin and
script directories were fixed. The runner's own entry script was missed. It
lives in {app}\scripting, which carries only Users:(RX), and LocalService
reaches that through Authenticated Users, so bun could never open the one file
it was started to run. The runner has not been able to start since it moved
off SYSTEM, which is a principal that has full control everywhere and so never
met this.

So {app}\scripting now gets the same (OI)(CI)(RX,WA) the unit dirs get, at
enable, revoked at disable like every other grant here. WA moves timestamps
and the read-only bit and cannot touch content, so the three-way split the
module maintains still holds: code read-only, secrets read-only, only
plugin-state writable. A plugin still cannot rewrite the runner.

Measured on glass on .173, same box, same task, only the ACE differing:
without it Ready/lastResult=1 and no runner process; with it Running, a live
runner, and GET /store/runtime answering running:true — which is exactly what
the console reads. Also checked what bun does with the access: nothing. It
opens the entry for write and never writes, and the directory is byte-identical
afterwards.

Windows-only code, so it is rustfmt-clean and type-reviewed but NOT
compile-verified here — the Windows CI job is the gate.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 17:23:16 +02:00
enricobuehlerandClaude Fable 5 4a540bddc8 feat(host/deck): one-click source rebuild — the update.sh run as a transient user unit
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The U3.1 leg of planning:host-update-from-web-console.md. The Deck's on-device install
gets the Update-now button with no opt-in (user-owned, no root): update.sh --pull runs
under systemd-run --user so the script's own restart of punktfunk-host can't kill it
mid-build (a child in our cgroup would die with us). Outcome without version equality —
which a source rebuild can't promise: a failed build leaves the host alive to report it
(unit watched to failure, log attached); a successful one restarts us, and the new
source_build intent flag makes intent-present-at-boot itself the success signal (the
script only restarts the host after a successful install). The console stops treating
a live long build as a timeout.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 16:28:40 +02:00
enricobuehlerandClaude Fable 5 51d5f6cb29 feat(host/windows): boot-loop auto-rollback — the supervisor re-runs the cached previous installer
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The U3.2 leg of planning:host-update-from-web-console.md. The service worker loop —
the one piece that survives an upgrade — detects a fresh update-intent whose target
version is the crash-looping child (≥3 rapid restarts, intent <30 min), then exactly
once: picks the newest cached non-target installer, requires a valid Authenticode
signature, writes a rolled-back result record for the console, deletes the intent,
and spawns the installer silently. No cached installer or a failing signature degrade
to today's backoff loop with a loud log — never a brick, never an installer loop.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 16:12:22 +02:00
enricobuehlerandClaude Fable 5 06a249e49f feat(host/linux): opt-in one-click updates — the pf-update root helper, group-scoped polkit grant, per-PM legs
The U2 leg of planning:host-update-from-web-console.md. A new dep-free root helper
(crates/pf-update) runs the distro package manager against the INSTALLED punktfunk
packages — apt (index refresh scoped to our list when present), dnf, rpm-ostree
(single-transaction re-resolve, reported staged), sysext (the proven signed-feed
updater), pacman only behind the explicit PACMAN_FULL_SYSUPGRADE opt-in — then the
run-the-binary gate, then a root-written result record. Zero attacker-influenceable
parameters end to end: fixed ExecStart oneshot (punktfunk-update.service), polkit rule
scoped to that one unit's start verb for the shipped-EMPTY punktfunk-update group
(joining it is the auditable opt-in; every postinst creates it, none populate it).
The host starts the unit, interprets the record (staged / nothing-newer-yet / changed),
and crosses its own restart on the same intent/reconcile machinery as the Windows leg.
Status now reports staged results and the opt-in hint.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 15:55:27 +02:00
enricobuehlerandClaude Fable 5 bb48225414 feat(host/windows): one-click update apply — verified installer download, intent/reconcile, POST /update/apply
The U1 leg of planning:host-update-from-web-console.md. The apply request carries no
version/url/channel (the zero-parameter invariant): the host installs exactly what its
Ed25519-verified manifest announced. Pipeline: staged download (resume + disk preflight)
→ manifest sha256 → Authenticode (valid signature, untrusted root tolerated while the
cert is self-signed; leaf sha256 pinned via the signed manifest, extracted from the SAME
WinVerifyTrust state) → intent record → detached CREATE_BREAKAWAY_FROM_JOB spawn of the
winget-blessed silent flags. The installer kills this process by design; boot-time
reconciliation reports the outcome (update.applied event / a durable failure with the
installer log path) across the restart. Session guard (force to override),
PUNKTFUNK_UPDATE_APPLY=0 kill switch, single-flight via job + fresh-intent detection.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 15:55:27 +02:00
enricobuehlerandClaude Fable 5 cc01562631 feat(host): update check — signed per-channel manifest, install-kind detection, /api/v1/update surface
The U0 leg of planning:host-update-from-web-console.md: a signed update manifest
(Ed25519, keys pinned in the binary via the plugin-store verify path, serial floor
persisted against rollback, channel-bound, 45-day stale hint) fetched lazily behind
GET /update/status + rate-limited POST /update/check, admin lane only (plugin lane
whole-prefix denied, absent from the cert allowlist). Install kind + channel come
from root-owned facts; deb/rpm/pacman builds now stamp /usr/share/punktfunk/install-kind.
Emits update.available once per discovered version.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 14:34:46 +02:00
enricobuehlerandClaude Opus 5 553676282a feat(windows): the brand reads Punktfunk on every device Windows shows
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Device Manager, the firewall list and the monitor name all said "punktfunk". The brand
is Punktfunk.

Renamed: the [Strings] blocks of all four driver INFs (device descriptions, install
disks, provider, manufacturer), the `description` on every SwDeviceProfile the host
creates, pf-mouse's HID manufacturer + product strings, pf-vdisplay's IddCx endpoint
friendly + manufacturer names, the EDID 0xFC display-name descriptor — so Windows now
shows `Generic Monitor (Punktfunk)` — and the netsh firewall rule names.

The EDID edit is a single byte (0x70 -> 0x50) and needs no hand-patched checksum:
Edid::generate_with already recomputes both block checksums after patching the serial.

Deliberately left lowercase, because these are IDENTITIES rather than display names and
renaming them would orphan installed state:

  * the SwDeviceCreate enumerator `w!("punktfunk")` — it IS the SWD\PUNKTFUNK\... path
    every pad instance id is built from
  * pf-paths' `join("punktfunk")` — C:\ProgramData\punktfunk
  * the CN=punktfunk-driver cert subject, which purge_driver_certs and both driver build
    scripts match by string
  * install.rs' `lo.contains("punktfunk virtual display")` probes, whose haystack is
    to_ascii_lowercase()d, so they already match the capitalised name

Nothing is orphaned by the renames that DID happen either: netsh rule names,
Get-NetFirewallRule -DisplayName and PowerShell's -match are all case-insensitive, so
the firewall delete paths and reset-pf-vdisplay.ps1's -AdapterName / -GhostMatch
defaults still reap what every release up to 0.22.1 created.

Cosmetic, with two consequences worth knowing: it takes a driver rebuild + re-sign to
appear at all, and an existing devnode keeps its cached FriendlyName until it is
recreated.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-30 12:30:46 +02:00
enricobuehlerandClaude Fable 5 1f59498c5c fix(host/linux): a no-channel session composites the metadata cursor — Mutter never embeds on a virtual stream
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The capture-latched client (console.rs latched_mouse) never advertises
CLIENT_CAP_CURSOR, so its session resolved cursor_blend=false and asked
Mutter to EMBED the pointer. On a Mutter virtual stream that is a
fiction: since Mutter 48 (7ff5334a, hw-cursor inhibition removed) the
software cursor overlay is suppressed stage-globally whenever any
physical head realizes a HW cursor — dmabuf-recorded frames blit the
view without a pointer, and cursor-only motion schedules no re-record
either (mutter#4939). Probed on-glass on Mutter 50.3: embedded +
relative motion = frozen frame counter; SPA_META_Cursor positions kept
flowing in the same setup.

So the no-channel session now takes the path that was verified end to
end: cursor-as-metadata + the host composites, permanently — the same
arm a channel session lands in after its capture-model flip. Embedded
remains only the can't-blend fallback (libav VAAPI/NVENC, software).

- session_plan::cursor_blend_for grows the no-channel arm (codec +
  depth in, the same CUDA-payload prediction handshake makes);
  gamescope excluded so patch-2+ keeps its native-NV12 zero-copy shape
- the encode loop's composite refresh + one-shot breadcrumbs now cover
  the no-channel session; the park schedule keeps retrying while its
  composite is starved (relative-only clients cannot park themselves)
- the compositor retarget re-applies set_hw_cursor — the rebuilt
  display used to come up EMBEDDED even for channel sessions
- the GameStream virtual source takes the same rule (it never has a
  channel); its stream_body blend flag mirrors the request
- punktfunk-probe grows --cursor-nochannel (the latched-capture client,
  headless); cursor-probe grows --dump (PPM frames + a content-change
  counter, the pixel evidence the embedded A/B lacked)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 00:35:25 +02:00
enricobuehlerandClaude Fable 5 9b2404a580 feat(core): every connect introduces the device by name
The wire always had Hello.name and the host always honored it - but the
connect path hardcoded None (only the PIN-pairing ceremony sent a name),
so every no-PIN "request access" knock surfaced as the fingerprint
placeholder "device abcd1234", and approving one without retyping a
name persisted that placeholder into the trust store forever.

NativeClient::connect now takes the device name. The session workers
and the probe connects pass trust::device_name() (the hostname), the C
ABI defaults to the same without a signature change (an ex10 variant
can make it explicit if an embedder wants a custom label), and Android
threads Build.MODEL through nativeConnect - the same convention its
pairing dialogs already use for nativePair.

The host, in turn, resolves the streaming client's display name (trust
store first, so an approval-time rename wins; else the sanitized Hello
name) and exposes it as client_name in GET /api/v1/local/summary for
the tray's connect toast - a deliberate, documented loosening of that
route's "no device names" contract, in the local user's favor: it tells
them who is on their machine. A paired-but-idle device's name still
never appears, which the mgmt tests now pin explicitly. openapi.json,
its docs-site copy, and the SDK bindings regenerate.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-29 21:32:50 +02:00
enricobuehlerandClaude Fable 5 751fbd6c47 fix(host/linux): park the seat pointer on the streamed surface — a capture-mode client cannot
ROOT CAUSE of the GNOME capture-mode cursorless stream (and the same
latent hole on KWin, whose screencast also gates cursor data on
includesCursor): a virtual output is created fresh per session while the
seat pointer stays wherever it was — usually a physical monitor. A
capture-model (pointer-lock) client sends only RELATIVE deltas, so
nothing ever moves the pointer INTO the streamed output: input lands on
the wrong monitor, Mutter suppresses SPA_META_Cursor entirely
(should_cursor_metadata_be_set: visible AND in-stream), and both the
embedded and the encoder-blend composite models stream cursorless.

The stream loop now parks the pointer at the streamed surface's centre
through the session's own input pipeline (capability routing, region
ladder, anchor — the path client events take): armed per (re)built
display and by the capture-model flip, retried on a schedule because the
first park of a session can land on a still-cold EIS connection (devices
not resumed — the injector drops it; observed on-glass), and kept trying
while a capture-model session still has no live overlay. A desktop-model
client overrides the park with its first absolute move.

Verified end-to-end on GNOME 50.3/Mutter (RTX 5070 Ti): the reference
client in capture mode now shows the host-composited cursor moving in
the decoded H.265 dump, and the PyroWave session hands the overlay to
the wavelet CSC blend. One-shot per-session/per-stream breadcrumbs
(first meta region, first bitmap, first overlay handed to the blend /
still-cursorless) make the next field triage a grep instead of a rebuild.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-29 17:59:03 +02:00
enricobuehlerandClaude Fable 5 4c2a6dd091 feat(host,api): the host knows what OS it runs, and says so
Clients want to show which OS/distro a host runs. The host now detects it once
per process (new osinfo module: compile-time on Windows/macOS, os-release on
Linux) and advertises an icon-friendly specificity chain, generic → specific —
`windows`, `macos`, `linux[/<family>][/<id>]`, e.g. `linux/fedora/bazzite`,
`linux/arch/steamos`. A client walks the chain most-specific-first and shows the
first token it has art for, so an unknown distro degrades to its family's mark
and finally to plain Tux — the host emits the full chain precisely so clients
need zero distro→parent knowledge. The middle token is the first recognized
ID_LIKE ancestor (the spec orders them most-similar-first); the leaf is ID
verbatim, sanitized to TXT-safe `[a-z0-9._-]` because it feeds a DNS record.

Two carriers, both additive: a new advisory mDNS `os=` TXT key (same trust
posture as `mac` — unauthenticated, a wrong value only draws a wrong icon), and
`HostInfo.os` + `HostInfo.os_name` on the mgmt API (`os_name` is the os-release
PRETTY_NAME, REST-only so the TXT stays small). GameStream serverinfo and the
QUIC Welcome are untouched. api/openapi.json regenerated (drift test green on
Linux) and the TS SDK gen refreshed from it — which also catches the committed
gen up with earlier spec changes it had missed (monitors, native_paired_clients,
encoder_backend).

assets/os-icons/ gains the ten master SVG marks every client derives its
per-platform art from (Font Awesome Free brands CC BY 4.0 + Simple Icons CC0 —
provenance in its README), with attribution folded into THIRD-PARTY-NOTICES.txt
via the generator (regenerating also catches the stale crate manifest up with
the current lockfile).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-29 17:58:33 +02:00
enricobuehlerandClaude Opus 5 9243a770bc fix(host/encode): an Automatic bitrate follows the pixels actually encoded
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`build_pipeline` opens the encoder at the DELIVERED frame size but was handed a
bitrate resolved from the NEGOTIATED mode. Those agree for a virtual display,
which is created at the mode that was asked for. They do not agree for a monitor
mirror: `MirrorDisplay::create` ignores the requested mode by design (a physical
head runs at the mode its owner set), so a client asking for 1080p and mirroring a
4K panel encoded four times the pixels at the 1080p rate — a quarter of the bits
per pixel the codec was sized for, which arrives as a soft, stuttering picture
rather than as the mismatch it actually is. This is the reported "laggy mirror".

Re-resolve for what will really be encoded, and thread the applied rate back out
so the session adopts it: `bitrate_kbps` is what the ABR controller climbs from,
what the console samples, and what a `SetBitrate` ack is measured against, so
letting it disagree with the live encoder makes each of those reason about a
stream that does not exist. The mid-stream rebuild paths (mode switch, compositor
switch, capture-loss) adopt it too — each can land on a different source than it
left.

Automatic only. An explicit client rate is the operator's statement about their
own link and is never second-guessed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-29 12:23:32 +02:00