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The winit-commit docs claimed "Reactor rejected, no SwapChainPanel hatch" — that was wrong. windows-rs PR #4499 added the SwapChainPanel widget; the client now uses WinUI 3 via windows-reactor. Update CLAUDE.md M4, the bootstrap-doc status banner (reactor integration: pinned git dep, CARGO_WORKSPACE_DIR, App-SDK build.rs, LL-hook stream input), and the docs-site clients page (WinUI 3, launch-and-pick-a-host). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
96 lines
4.6 KiB
Markdown
96 lines
4.6 KiB
Markdown
---
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title: Clients
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description: The ways to connect to a punktfunk host — the Apple app, Moonlight, or the Linux client.
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---
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A punktfunk host accepts clients over its own `punktfunk/1` protocol (the Apple and Linux apps) and
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over GameStream (Moonlight). Pick whichever fits the device you're streaming *to*.
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## Apple app (Mac, iPhone, iPad, Apple TV)
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The native app for Apple devices speaks punktfunk's own [`punktfunk/1`](/docs/how-it-works#two-protocols)
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protocol — the lowest-latency, most resilient path, with the full feature set:
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- **Automatic host discovery** — hosts on your network appear under *On this network*; no IP typing.
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- **PIN pairing** built in, and pinned reconnects after that.
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- **Controllers**, including DualSense — rumble, adaptive triggers, lightbar, motion, and touchpad.
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- A live **stats overlay** (resolution, fps, bitrate, latency) and a built-in **network speed test**
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to pick a bitrate for your link.
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Open the app, pick your host, [pair](/docs/pairing) once, and stream. It builds from the
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`clients/apple` directory in the repo (Swift / VideoToolbox / Metal).
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## Moonlight (anything else)
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punktfunk also speaks the **GameStream** protocol, so any [Moonlight](https://moonlight-stream.org/)
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client — Windows, Android, Steam Deck, a browser, an old phone — connects with no punktfunk-specific
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software. See [Connect with Moonlight](/docs/moonlight).
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This is the broadest-compatibility option and great for couch gaming. It doesn't use the native
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protocol's FEC/encryption extensions, but for a healthy LAN that rarely matters.
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## Linux desktop client (GTK4)
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`punktfunk-client` is the native graphical Linux client — a GTK4 / libadwaita app that speaks
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`punktfunk/1` directly, with hardware decode (VAAPI → dmabuf on Intel/AMD, software fallback),
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PipeWire audio, and SDL3 controllers (rumble, lightbar, DualSense touchpad/motion). Like the Apple
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app it discovers hosts on your network automatically, does PIN pairing, and pins reconnects.
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It ships as a real package, not just a source build:
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- **Ubuntu / Debian** — `apt install punktfunk-client` from the punktfunk apt registry
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(see `packaging/debian/README.md`).
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- **Fedora / Bazzite** — `rpm-ostree install punktfunk-client` from the Gitea RPM registry
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(see `packaging/rpm/README.md`).
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- **Arch / SteamOS** — the `punktfunk-client` split package from the `PKGBUILD`
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(see `packaging/arch/README.md`).
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- **Steam Deck / any Flatpak distro** — the `io.unom.Punktfunk` Flatpak bundle
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(see `packaging/flatpak/README.md`); this is what the Decky plugin launches.
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Launch it, pick your host from the list, and stream. For scripting you can skip the host list and
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connect straight away:
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```sh
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punktfunk-client --connect <host>:9777 # skip the picker, start a session immediately
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```
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## Windows desktop client (in development)
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`punktfunk-client` for Windows (`crates/punktfunk-client-windows`) is the native graphical client
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for Windows — pure Rust, the same `punktfunk/1` core as the Apple and Linux apps, with a **WinUI 3**
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UI (host list, settings, PIN pairing) and the video on a `SwapChainPanel`, plus WASAPI audio, FFmpeg
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decode, SDL3 controllers, network discovery, and PIN pairing. Launch it and pick a host from the
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list, just like the Apple and Linux apps. It builds on `x86_64-pc-windows-msvc`; hardware (D3D11VA)
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decode, 10-bit/HDR present, and packaging are in progress, so it is not yet shipped. A headless CLI
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path exists for scripting/measurement:
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```sh
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punktfunk-client # open the WinUI 3 window (host list / settings)
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punktfunk-client --discover # list hosts on the network
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punktfunk-client --headless --connect <host>:9777 # no window: connect, count frames, print stats
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```
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Until it ships, **Moonlight** remains the recommended way to stream to Windows (see below).
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## Linux reference client (headless)
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`punktfunk-client-rs` (in the repo) is a command-line client for the native protocol, used for
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testing, development, and latency measurement — not an everyday client. It connects, streams to a
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file, runs the speed test, and can discover hosts:
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```sh
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punktfunk-client-rs --discover # list hosts on the network
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punktfunk-client-rs --connect <host>:9777 --pin <fp> # connect to one
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```
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## Which should I use?
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| You're streaming to… | Use |
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|---|---|
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| A Mac, iPhone, iPad, or Apple TV | The **Apple app** |
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| A Linux desktop or laptop, or a Steam Deck | **`punktfunk-client`** (GTK4) |
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| Windows, Android, a browser, a TV | **Moonlight** |
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| Automated tests / latency measurement | **`punktfunk-client-rs`** (headless) |
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Whichever you choose, the first connection needs a one-time [pairing](/docs/pairing).
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