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IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/packaging/README.md b/packaging/README.md new file mode 100644 index 0000000..adc450b --- /dev/null +++ b/packaging/README.md @@ -0,0 +1,80 @@ +# Packaging punktfunk for Fedora / Bazzite + +The punktfunk host is Linux-only and links system FFmpeg (NVENC), PipeWire, Opus and +the NVIDIA driver. This directory packages it for the **Fedora Atomic / Bazzite** world +(rpm-ostree + bootc), where most of those deps are already present. + +``` +packaging/ + rpm/punktfunk.spec # the RPM (builds punktfunk-host from source with cargo) + bazzite/host.env # gamescope-default config for a Bazzite appliance + bootc/Containerfile # bake punktfunk into a Bazzite-based atomic image + copr/ # COPR build-from-SCM settings +``` + +## What's needed beyond base Fedora + +| Dependency | Where it comes from | +|---|---| +| `ffmpeg-libs` with **NVENC** | **RPM Fusion nonfree** (`ffmpeg`, not `ffmpeg-free`) | +| NVIDIA driver (`libnvidia-encode`, `libEGL_nvidia`) | Bazzite **-nvidia** images ship it; plain Fedora: `akmod-nvidia` + `xorg-x11-drv-nvidia-cuda` | +| gamescope, PipeWire, wireplumber | **Bazzite ships these**; plain Fedora: `dnf install gamescope pipewire wireplumber` | +| `opus`, `libei` | Fedora base / updates | + +On **Bazzite** the only genuinely new runtime bits are `ffmpeg-libs` (RPM Fusion) + `opus` + +`libei` — the rest of the stack is already there. The default backend is **gamescope** +(`packaging/bazzite/host.env`), which the host spawns headless per session — no desktop login. + +## Option A — COPR (per-host, `rpm-ostree install`) + +1. Create a COPR project, enable **build-from-SCM** pointing at this repo, spec path + `packaging/rpm/punktfunk.spec` (see `copr/README.md`). Under *External Repositories* add + RPM Fusion nonfree so `ffmpeg-devel` resolves at build time. +2. On the Bazzite host: + ```sh + # RPM Fusion (for the NVENC ffmpeg) — usually already enabled on Bazzite + rpm-ostree install \ + https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \ + https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm + # enable the COPR + install punktfunk + sudo wget -O /etc/yum.repos.d/_copr_punktfunk.repo \ + https://copr.fedorainfracloud.org/coprs/enricobuehler/punktfunk/repo/fedora-$(rpm -E %fedora)/ + rpm-ostree install punktfunk + systemctl reboot + ``` + +## Option B — bootc (image-based, atomic) + +Layer punktfunk into a Bazzite image once, then rebase any number of hosts onto it — no +per-host drift. See `bootc/Containerfile`: +```sh +podman build -t ghcr.io//bazzite-punktfunk -f packaging/bootc/Containerfile . +podman push ghcr.io//bazzite-punktfunk +# on the target: +sudo bootc switch ghcr.io//bazzite-punktfunk && systemctl reboot +``` + +## First-run setup (either option) + +```sh +sudo usermod -aG input "$USER" # virtual gamepads need /dev/uinput (then re-login) +mkdir -p ~/.config/punktfunk +cp /usr/share/punktfunk/host.env.bazzite ~/.config/punktfunk/host.env # edit (gamescope app, etc.) +systemctl --user enable --now punktfunk-host +``` + +Pair a stock Moonlight client (mDNS-discovered), or connect the native punktfunk/1 client. + +## Why not Flatpak? + +The host needs unsandboxed access the zero-copy NVENC path, `/dev/uinput`, the PipeWire +graph and the compositor's privileged protocols — a Flatpak sandbox fights all of these. +An RPM (or the bootc layer) installs into the host system where those just work. + +## Building the SRPM/RPM locally (Fedora only) + +```sh +git archive --format=tar.gz --prefix=punktfunk-0.0.1/ -o ~/rpmbuild/SOURCES/punktfunk-0.0.1.tar.gz HEAD +rpmbuild -ba packaging/rpm/punktfunk.spec # needs the BuildRequires from the spec +``` +(Not buildable on Debian/Ubuntu — use a Fedora toolbox/container or COPR.) diff --git a/packaging/bazzite/host.env b/packaging/bazzite/host.env new file mode 100644 index 0000000..7240c39 --- /dev/null +++ b/packaging/bazzite/host.env @@ -0,0 +1,26 @@ +# punktfunk host config for Bazzite (~/.config/punktfunk/host.env). +# +# Bazzite ships gamescope, PipeWire and the NVIDIA driver, so the default backend here is +# gamescope: the host spawns a headless gamescope per session at the client's exact mode and +# captures its PipeWire node — no separate desktop session to bring up. Set PUNKTFUNK_GAMESCOPE_APP +# to what you want to run inside it (e.g. `steam -gamepadui` for a SteamOS-like couch session). + +XDG_RUNTIME_DIR=/run/user/1000 +DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus + +# gamescope backend: spawned per session, no compositor login required. +PUNKTFUNK_COMPOSITOR=gamescope +PUNKTFUNK_VIDEO_SOURCE=virtual +PUNKTFUNK_GAMESCOPE_APP=steam -gamepadui + +# gamescope hosts its own EIS input socket — input lands in the nested session. +PUNKTFUNK_INPUT_BACKEND=gamescope + +# GPU zero-copy capture (dmabuf -> CUDA -> NVENC). Auto-falls back to CPU if unavailable. +PUNKTFUNK_ZEROCOPY=1 + +#RUST_LOG=info + +# To drive the full Plasma/GNOME desktop instead of a nested gamescope, switch to: +# PUNKTFUNK_COMPOSITOR=kwin (and run inside a KDE session — WAYLAND_DISPLAY/XDG_CURRENT_DESKTOP set) +# PUNKTFUNK_INPUT_BACKEND=libei diff --git a/packaging/bootc/Containerfile b/packaging/bootc/Containerfile new file mode 100644 index 0000000..4109c96 --- /dev/null +++ b/packaging/bootc/Containerfile @@ -0,0 +1,39 @@ +# bootc / OCI image layer that bakes punktfunk into a Bazzite-based atomic image. +# +# Bazzite is already a bootc image (Fedora Atomic + gamescope + PipeWire + the NVIDIA +# stack), so we layer punktfunk on top: enable RPM Fusion (for the NVENC ffmpeg) and our +# COPR, install the package, and pre-enable the udev rule. Build + push this image, then +# `bootc switch` (or rebase) a Bazzite host onto it for an image-based, atomic install — +# no per-host `rpm-ostree install` drift. +# +# podman build -t ghcr.io//bazzite-punktfunk -f packaging/bootc/Containerfile . +# podman push ghcr.io//bazzite-punktfunk +# # on the target Bazzite host: +# sudo bootc switch ghcr.io//bazzite-punktfunk # then reboot +# +# Pick the base tag that matches your hardware (NVIDIA shown). See ublue-os/bazzite tags. +ARG BASE_IMAGE=ghcr.io/ublue-os/bazzite-nvidia:stable +FROM ${BASE_IMAGE} + +# COPR project that hosts the punktfunk RPM (see packaging/copr/README). Override at build. +ARG PUNKTFUNK_COPR=enricobuehler/punktfunk + +# RPM Fusion nonfree provides the NVENC-capable ffmpeg-libs punktfunk records/encodes with. +# (Bazzite usually has RPM Fusion enabled already; this is belt-and-suspenders.) +RUN dnf5 -y install \ + https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \ + https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm \ + || true + +# Enable our COPR and install punktfunk. +RUN dnf5 -y copr enable ${PUNKTFUNK_COPR} && \ + dnf5 -y install punktfunk && \ + dnf5 -y copr disable ${PUNKTFUNK_COPR} && \ + dnf5 clean all + +# The udev rule + systemd *user* unit ship in the RPM; nothing else to enable at image +# build time (the host runs per-user in the graphical session, enabled with +# `systemctl --user enable --now punktfunk-host` after first boot). + +# bootc image hygiene: the container build must leave a clean ostree commit. +RUN ostree container commit diff --git a/packaging/copr/README.md b/packaging/copr/README.md new file mode 100644 index 0000000..c8e97b0 --- /dev/null +++ b/packaging/copr/README.md @@ -0,0 +1,35 @@ +# COPR build-from-SCM settings + +COPR builds the RPM from this git repo (no manual SRPM upload). Configure the project +once in the COPR web UI (or with `copr-cli`): + +**Project → New Build → SCM** +- Clone URL: `https://git.unom.io/unom/punktfunk` +- Committish: `main` (or a release tag) +- Subdirectory: *(repo root)* +- Spec File: `packaging/rpm/punktfunk.spec` +- Source build method: `rpkg` (or `make_srpm`) + +**Project settings** +- Chroots: `fedora-41-x86_64`, `fedora-42-x86_64` (match your Bazzite Fedora base; + `rpm -E %fedora` on the host tells you which). Add `aarch64` if needed. +- External repositories (so `ffmpeg-devel` resolves at build time): + `https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$releasever.noarch.rpm` + and the matching `-free-` repo. +- Enable network during build (cargo fetches crates from crates.io) — COPR allows this by + default. + +`copr-cli` equivalent: + +```sh +copr-cli create punktfunk --chroot fedora-42-x86_64 \ + --repo 'https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$releasever.noarch.rpm' \ + --repo 'https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$releasever.noarch.rpm' +copr-cli buildscm punktfunk \ + --clone-url https://git.unom.io/unom/punktfunk \ + --commit main --spec packaging/rpm/punktfunk.spec --method rpkg +``` + +Note: COPR caps build time/RAM; a full `cargo build --release` of the host (FFmpeg/PipeWire +sys-crates + aws-lc-rs) is heavy but within the default COPR limits. If a chroot OOMs, lower +parallelism with `CARGO_BUILD_JOBS` in the spec's `%build`. diff --git a/packaging/rpm/punktfunk.spec b/packaging/rpm/punktfunk.spec new file mode 100644 index 0000000..7149d7d --- /dev/null +++ b/packaging/rpm/punktfunk.spec @@ -0,0 +1,125 @@ +################################################################################ +# punktfunk — low-latency desktop/game streaming host (RPM for Fedora / Bazzite) +# +# Builds `punktfunk-host` from source with cargo and installs the binary, the +# uinput udev rule (virtual gamepads), the systemd *user* unit, and the headless +# session helpers. Designed for COPR (build-from-SCM): COPR clones the repo and +# runs this spec; `cargo build` fetches crates over the network (COPR allows it). +# +# DEPENDENCIES NOT IN BASE FEDORA: +# * ffmpeg / ffmpeg-libs with NVENC — from RPM Fusion *nonfree*. Enable it in +# the COPR project (External Repositories) and on the target host. +# * The NVIDIA driver (libnvidia-encode / libEGL_nvidia) — present on Bazzite's +# -nvidia images; on plain Fedora install akmod-nvidia + xorg-x11-drv-nvidia-cuda. +# +# Bazzite already ships gamescope, PipeWire and the NVIDIA stack, so on Bazzite the +# only new runtime bits are ffmpeg-libs (RPM Fusion) + opus + libei. +################################################################################ + +Name: punktfunk +Version: 0.0.1 +Release: 1%{?dist} +Summary: Low-latency desktop/game streaming host (Moonlight-compatible + punktfunk/1) + +License: MIT OR Apache-2.0 +URL: https://git.unom.io/unom/punktfunk +# COPR SCM builds provide the checkout; for a tarball build, drop a git archive here: +Source0: %{name}-%{version}.tar.gz + +# punktfunk-host is Linux-only and links system FFmpeg/PipeWire/Opus. +ExclusiveArch: x86_64 aarch64 + +# --- Build toolchain --------------------------------------------------------- +BuildRequires: cargo +BuildRequires: rust +BuildRequires: gcc +BuildRequires: gcc-c++ +BuildRequires: clang +BuildRequires: clang-devel +BuildRequires: cmake +BuildRequires: nasm +BuildRequires: pkgconfig +BuildRequires: systemd-rpm-macros +# Link-time system libraries (the -sys crates probe these via pkg-config): +BuildRequires: pkgconfig(libpipewire-0.3) +BuildRequires: pkgconfig(libspa-0.2) +BuildRequires: pkgconfig(wayland-client) +BuildRequires: pkgconfig(xkbcommon) +BuildRequires: pkgconfig(opus) +# FFmpeg dev headers with NVENC — from RPM Fusion (ffmpeg-devel), NOT ffmpeg-free. +BuildRequires: pkgconfig(libavcodec) +BuildRequires: pkgconfig(libavformat) +BuildRequires: pkgconfig(libavutil) + +# --- Runtime ----------------------------------------------------------------- +Requires: pipewire +Requires: pipewire-pulseaudio +Requires: wireplumber +Requires: opus +Requires: libei +# FFmpeg runtime with NVENC (RPM Fusion). Weak-dep so the package installs even if +# the user hasn't enabled RPM Fusion yet, but it WILL fail to encode without it. +Recommends: ffmpeg-libs +# A compositor to drive. Bazzite ships gamescope; the others are user choice. +Recommends: gamescope +Suggests: kwin +Suggests: mutter +# NVENC + GPU EGL come from the NVIDIA driver; on Bazzite the -nvidia image has it. +Recommends: (xorg-x11-drv-nvidia-cuda if xorg-x11-drv-nvidia) + +%description +punktfunk is a Linux-first, low-latency desktop and game streaming host. It speaks +the Moonlight/GameStream protocol (pair a stock Moonlight client) and its own native +punktfunk/1 protocol (GF(2^16) Leopard FEC + AES-GCM, mid-stream mode renegotiation, +client microphone passthrough). Each session gets a virtual output at the client's +exact resolution and refresh via a per-compositor backend (KWin, gamescope, Mutter, +Sway/wlroots), captured zero-copy (dmabuf -> CUDA -> NVENC) and split-encoded above +~1 Gpix/s. Input (mouse/keyboard/gamepads) is injected back into the session. + +%prep +%autosetup -n %{name}-%{version} + +%build +# Release build of the host binary only (the workspace also has the core lib + clients). +# cargo fetches crates over the network; COPR build hosts allow this. +export RUSTFLAGS="%{?build_rustflags}" +cargo build --release -p punktfunk-host + +%install +# Binary +install -Dm0755 target/release/punktfunk-host %{buildroot}%{_bindir}/punktfunk-host + +# udev rule — /dev/uinput access for virtual gamepads (input group). +install -Dm0644 scripts/60-punktfunk.rules %{buildroot}%{_udevrulesdir}/60-punktfunk.rules + +# systemd *user* unit (the host runs in the graphical session, not as root). +install -Dm0644 scripts/punktfunk-host.service %{buildroot}%{_userunitdir}/punktfunk-host.service + +# Headless session helpers + example config + OpenAPI doc (reference material). +install -d %{buildroot}%{_datadir}/%{name}/headless +install -Dm0755 scripts/headless/run-headless-kde.sh %{buildroot}%{_datadir}/%{name}/headless/run-headless-kde.sh +install -Dm0755 scripts/headless/run-headless-sway.sh %{buildroot}%{_datadir}/%{name}/headless/run-headless-sway.sh +install -Dm0644 scripts/host.env.example %{buildroot}%{_datadir}/%{name}/host.env.example +install -Dm0644 packaging/bazzite/host.env %{buildroot}%{_datadir}/%{name}/host.env.bazzite +install -Dm0644 docs/api/openapi.json %{buildroot}%{_datadir}/%{name}/openapi.json + +%files +%license LICENSE-MIT LICENSE-APACHE +%doc README.md docs/implementation-plan.md packaging/README.md +%{_bindir}/punktfunk-host +%{_udevrulesdir}/60-punktfunk.rules +%{_userunitdir}/punktfunk-host.service +%dir %{_datadir}/%{name} +%{_datadir}/%{name}/* + +%post +# Reload udev so /dev/uinput picks up the new rule without a reboot (best-effort). +udevadm control --reload-rules 2>/dev/null || : +udevadm trigger --subsystem-match=misc 2>/dev/null || : +echo "punktfunk installed. Add yourself to the 'input' group (sudo usermod -aG input \$USER)" +echo "then enable the host: systemctl --user enable --now punktfunk-host" +echo "Config: cp %{_datadir}/%{name}/host.env.bazzite ~/.config/punktfunk/host.env" + +%changelog +* Tue Jun 10 2026 punktfunk - 0.0.1-1 +- Initial RPM: punktfunk-host + udev rule + systemd user unit + headless helpers.