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3 Commits

Author SHA1 Message Date
enricobuehler 669d40ae21 build: migrate to ffmpeg-next 8 (FFmpeg 8.x / libavcodec 62) 
Ubuntu 26.04 ships FFmpeg 8.0 (libavcodec 62); bump ffmpeg-next 7.1 -> 8.1 to bind it
as the intended pairing. No source changes needed — the encode API surface we use
(avcodec_send_frame, hwframe contexts, AV_PIX_FMT_CUDA, av_log) is stable across 7->8.
Workspace builds + all tests green; clippy/fmt clean. Refresh the 7.x doc references.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-09 18:13:40 +00:00
enricobuehler ab6dda2e5f feat: M0 capture→encode pipeline + M2 GameStream host (pairing, RTSP, video) 
M0 (lumen-host) — verified on NVIDIA RTX 5070 Ti / Ubuntu 25.10:
headless wlroots → xdg ScreenCast portal → PipeWire → NVENC HEVC → playable file,
with each access unit round-tripped through a lumen_core host↔client Session
(FEC + packetize + reassemble), 0 mismatches.
- capture.rs: SyntheticCapturer + portal capture (ashpd 0.13 + pipewire 0.9), format-aware
- encode/linux.rs: NVENC via ffmpeg-next 7 (BGRx/RGB → rgb0, no host-side swscale)
- m0.rs: capture→encode→file + lumen-core loopback verification

M2 P1 (lumen-host gamestream/) — a stock Moonlight client pairs + launches, verified live:
- mDNS _nvstream._tcp + nvhttp /serverinfo (HTTP 47989, mutual-TLS HTTPS 47984)
- 4-phase pairing: PIN→AES-128-ECB / SHA-256 / RSA-PKCS1v15 / X.509, custom rustls
  ClientCertVerifier for the mutual-TLS pairchallenge
- /applist, /launch (rikey/rikeyid/mode), hand-rolled RTSP (OPTIONS/DESCRIBE/SETUP×3/
  ANNOUNCE/PLAY, one-request-per-TCP-connection per moonlight-common-c's read-to-EOF)
- video.rs: GameStream RTP + NV_VIDEO_PACKET wire packetizer, data-shards-only (0% FEC,
  clean-LAN), unit-tested (single/multi-block)

Docs: docs/m2-plan.md (phased plan) + docs/research/ (ground-truth protocol spec).
Bootstrap/setup updated for the verified path (libnvidia-gl, render/video groups, GPU
EGL, pipewire 0.9). Workspace clippy-clean, tests green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-09 07:14:59 +00:00
enricobuehler 8b0172d793 docs: VM handoff — CLAUDE.md, Ubuntu bootstrap, headless-Sway setup for M0 
Prepares the move to the NVIDIA-GPU Ubuntu VM where M0/M2 run (macOS can't drive the
Wayland/GPU stack). The repo carries the context, since Claude Code sessions are
machine-local and don't transfer.

- CLAUDE.md: project state + design invariants + don't-regress security notes. Auto-loads
  every session, so a fresh session on the VM continues from here.
- scripts/bootstrap-ubuntu.sh: verifies the (already-installed) NVIDIA/NVENC stack,
  installs rustup + PipeWire/portal/wlroots/Sway + DRM/EGL/GBM/VA dev deps; GATES the
  FFmpeg -dev headers so apt can't clobber a custom NVENC build; checks nvidia-drm.modeset.
- scripts/headless/: headless-Sway + xdg-desktop-portal-wlr config templates, the
  NVIDIA-wlroots env workarounds, run-headless-sway.sh, and a wf-recorder->hevc_nvenc
  capture smoke test (proves capture->NVENC with no Rust).
- docs/linux-setup.md: M0 walkthrough + verified gotchas (modeset, headless backend,
  vGPU NVENC licensing, dmabuf->NVENC CPU-copy fallback, FFmpeg-dev gate, crate versions).

Ubuntu 24.04 package names/versions verified against the live archive; scripts pass
shellcheck and `bash -n`.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-09 00:21:20 +02:00