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The protocol layer is LGPL-3.0-or-later in every language it exists in, so
any client may use it whatever its own licence: meshbay-common, and the files
marked with an SPDX line — keyderive.js, crypto.js, playlist-crypto.js,
transport*.js; keyring.js, transcripts.js and argon2-wasm.js on the desktop;
Kdf.kt, Keyring.kt and Transcripts.kt on Android. Everything else is
AGPL-3.0-or-later, which the RPM specs and package.json already declared
without a licence file to back them.
Two AGPL section 7 permissions:
- group applications may be under any licence when they use the interface
only through a named surface (static/licenses/APPLICATION-EXCEPTION.txt);
the reference application is 0BSD so that copying it brings no AGPL code;
- the Android application may be conveyed linked with Google Play services.
Third-party code is accounted for: THIRD-PARTY-NOTICES.txt is generated from
what a build ships (packaging/third_party_notices.py) for the deb/rpm venv and
the frozen Windows node — PyAV's wheel grafts in libx264 and libx265, which its
BSD licence does not mention — and the vendored browser libraries get their
licence texts and htm-preact.js its provenance. Wheels carry SPDX metadata,
RPMs %license, debs a DEP-5 copyright file, every Windows target LICENSE.txt.
test_licensing.py holds the line: the LGPL layer imports nothing under the
AGPL, the reference application nothing outside the application interface,
and every SPDX line is one of the known ones.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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A 1080p film is decoded by whoever watches it and re-encoded by the node
when no browser can decode the source. Both were on the CPU, and on an
Atom or Celeron mini-PC neither reaches real time — which is what
`transcode_incompatible_video` exists to refuse. This adds the mechanism
that makes refusing it unnecessary.
Node — `hwaccel.py`: VA-API on Linux, Quick Sync or NVENC on Windows,
established by encoding 1080p and reading the file back with ffprobe.
Nothing is accepted that does not produce the exact profile and level
`stream_init` announces, since the client checks that string before it
trusts a byte: an encoder that wrote another level would make the node's
own codec string a lie, and ffmpeg takes `-level 4.1` and `-level 41`
from h264_qsv without saying which it understood. Three modes per
stream — hardware decode and encode, hardware encode alone, libx264 —
demoted per source codec, because a GPU that decodes HEVC may have no
decoder for MPEG-4 Part 2 and only asking it finds out. A mode that
fails is detected on an empty stdout before `stream_init` goes out, so
the viewer sees one working stream and never an error.
Client — Chromium ships VA-API off on Linux. It is enabled where a
render node and a driver are present, then verified through
`navigator.mediaCapabilities`: a no moves to the next GL backend on the
next launch and an exhausted list drops the switches, so a renamed
feature cannot pass for a feature that is on and `--ignore-gpu-blocklist`
cannot survive on a machine it did not help. Feature lists now merge
rather than overwrite — `appendSwitch` replaces the value, and a second
caller would have silently cancelled the mDNS switch aiortc depends on.
Packaging — the drivers are weak dependencies on all four formats, so a
machine without a GPU installs exactly as before. `dpkg -i` and
`rpm -ivh` ignore weak deps; `packaging/README.md` now says so. Windows
needs no driver: the bundled ffmpeg already carries h264_qsv and
h264_nvenc, and a re-pin that dropped them would cost every low-power
Windows node its hardware encoding silently.
AMD on Windows (AMF) and macOS (VideoToolbox) are named gaps, not
oversights: neither could be tried anywhere in this project, and both
re-encode in software as before.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Shared venv architecture: meshbay-common owns the Python venv with all
pip deps pre-installed; hub and node add only their code into it.
Client is a standalone Electron app. No pip runs at install time.
- Add build scripts (packaging/build/) for common, hub, node, client
- Add orchestrator build-packages.sh with deb/rpm auto-detection
- Add .deb control/postinst for all 4 packages
- Add .rpm specs for all 4 packages (replaces python3-meshbay-common)
- Add Gnome .desktop launcher and icon resizing
- Add firewalld services (meshbay-cast, meshbay-node) and UFW profiles
- Update systemd units to use /opt/meshbay-common/venv/bin/ paths
- TMDB token baked into node package at build time via QE/node.env
- Fix package-lock.json sync for protobufjs override
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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