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punktfunk/clients/session
enricobuehler 134874b3c8
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fix(client/windows): repair the v0.15.0 MSIX build — ARM64 feature leak + illegal XML comment
Both MSIX matrix jobs failed at the v0.15.0 tag, for two unrelated reasons, both
introduced by this release. 0.13.0 and 0.14.0 shipped both packages; 0.15.0 shipped
neither.

ARM64 failed to BUILD. The PyroWave Windows un-gating (1ef0229b) moved `pyrowave-sys`
in pf-client-core out of `cfg(target_os = "linux")` into a general optional dependency
that pf-client-core's own `default = ["pyrowave"]` turns on. The ARM64 leg builds
`--no-default-features` precisely to skip it, but that only disables defaults for the
two packages named with `-p` — every internal edge kept inheriting them:
clients/windows -> pf-client-core, clients/session -> pf-client-core, clients/session
-> pf-presenter, and pf-presenter's own `default = ["pyrowave"]` -> pf-client-core.
So the vendored Granite C++ compiled on ARM64 and stopped where it always does:
muglm.cpp reaching for _MM_TRANSPOSE4_PS/_mm_storeu_ps, then
`simd.hpp:103 #error "Implement me."`.

Those three internal edges now pass `default-features = false`; the feature is enabled
only through an explicit chain (clients/session's `pyrowave` -> pf-client-core/pyrowave
+ pf-presenter/pyrowave, and pf-presenter's `pyrowave` -> pf-client-core/pyrowave), so
`--no-default-features` finally means what it says. Verified by feature resolution
rather than assertion — `cargo tree -i pyrowave-sys`:

  aarch64-pc-windows-msvc, --no-default-features -> not in the graph (was: present)
  x86_64-pc-windows-msvc,  default features      -> present
  x86_64-unknown-linux-gnu, default features     -> present

PyroWave is NOT dropped from the Windows client. Decode has always run in the spawned
punktfunk-session binary, whose own default keeps the feature on, and unification turns
it back on for the shared pf-client-core wherever that binary is in the build (x64,
Linux). The shell only ever offered "pyrowave" as a codec preference string — it holds
no decoder and never called one, so linking the C++ into it was dead weight even on x64.

x64 built fine and failed at PACKAGING: `makepri new` rejected the manifest with
PRI191 "Appx manifest not found or is invalid" / malformed comment syntax. The console
tile added in 2508b720 documented its flag inside an XML comment, and XML forbids `--`
anywhere in a comment body, so the literal flag spelling made the whole manifest
unparseable. Reworded, with a note to keep the next person from reintroducing it.
Confirmed by parsing both revisions after template substitution: the tagged manifest
fails at line 63 col 9, this one parses.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-19 23:20:29 +02:00
..

punktfunk-session

The Vulkan session binary: one stream per invocation in an SDL3 window — no UI toolkit, no widgets, terminal stats. The power-user / gamescope stream client, and the stage-2 presenter of the Linux client re-architecture (punktfunk-planning: linux-client-rearchitecture.md).

punktfunk-session --connect host[:port] [--fp HEX] [--launch id] [--fullscreen] [--stats]
punktfunk-session --browse host[:port] [--mgmt PORT] [--fullscreen]

--browse opens the console game library (the Skia coverflow over the animated aurora) instead of connecting: A launches the focused title as a stream in the same window, session end returns to the library, B quits (Gaming Mode returns). Paired hosts only — pairing is the desktop client / Decky plugin's job. PUNKTFUNK_FAKE_LIBRARY=<file.json> feeds canned entries with no host (portrait paths starting with / load from disk).

Reads the same identity / known-hosts / settings stores as the desktop client (punktfunk-client) — pair there (or via its headless --pair) first; this binary never connects to a host it has no pinned fingerprint for (--fp HEX overrides the store).

Stdout is the machine interface: {"ready":true} after the first presented frame, stats: … once per second while the overlay tier isn't Off (always the full detailed text, whatever the OSD shows; --stats forces the overlay on), one {"error"|"ended": …} JSON line on the way out. Logs go to stderr. Exit codes: 0 clean end, 2 connect failed, 3 trust rejected / pairing required, 4 presenter init failed.

In-stream keys match the desktop client: click captures input (Ctrl+Alt+Shift+Q releases), Ctrl+Alt+Shift+D disconnects, F11 toggles fullscreen; the controller escape chord (L1+R1+Start+Select, hold to disconnect) works the same.

The default build carries the Skia console UI (ui feature): the stats OSD and capture hint render in-window. Ctrl+Alt+Shift+S cycles the OSD tier live — Off → Compact (one line: fps · latency · Mb/s) → Normal (mode + end-to-end percentiles) → Detailed (decoder path + per-stage latency equation); any tier but Off also emits the stdout mirror. --no-default-features is the ~5 MB power-user build — same streaming, stats on stdout only, no Skia anywhere in the dependency tree.

Decode follows the Settings preference (auto: Vulkan Video → VAAPI → software on Linux, Vulkan Video → D3D11VA → software on Windows): FFmpeg's Vulkan Video decoder runs on the presenter's own device where the stack supports it (every vendor, zero copy); VAAPI dmabufs import per-plane elsewhere (D3D11VA textures on Windows); software is the universal fallback. 10-bit Main10 and HDR10 are advertised (VIDEO_CAP_10BIT|HDR): P010 decodes through all three paths, and PQ streams present on an HDR10/ST.2084 swapchain when the desktop offers one (KDE HDR, gamescope) or tone-map in-shader to SDR when it doesn't (PUNKTFUNK_TONEMAP_PEAK tunes the rolloff, default ≈1000 nits). The host still gates the upgrade behind its PUNKTFUNK_10BIT policy.

Debug/bisect knobs: PUNKTFUNK_DECODER=vulkan|vaapi|d3d11va|software, PUNKTFUNK_PRESENT_MODE= mailbox|immediate (default FIFO), PUNKTFUNK_VK_DEVICE=<index> (multi-GPU), and PUNKTFUNK_HW_FAULT=import (fault every VAAPI dmabuf import — proves the three-strike demotion to software on healthy hardware).