marfrit 25610930ad ffmpeg-v4l2-request-fourier: export ff_h264_set_mb_inspect_cb (0016 amend, PKGREL 15)
The 0016 patch declared ff_h264_set_mb_inspect_cb in h264dec.h and
defined it in h264_mb.c, but didn't touch libavcodec/libavcodec.v.
FFmpeg's default version script exports only `av_*`, `avcodec_*`,
`avpriv_*`, and `avsubtitle_free`; everything else is hidden as LOCAL
behind a `*` glob.  Result: `nm -D libavcodec.so.62 | grep
ff_h264_set_mb_inspect_cb` returned nothing → dlsym() returned NULL.

Static-link CLI consumer (daedalus_decode_h264) was unaffected
because static linking doesn't care about symbol visibility.  The
daedalus-v4l2 daemon shadow_decoder path (PR-Q3a.1) dlopens
libavcodec.so.62 and resolves the callback via dlsym — that needs
the symbol exported.

Fix: add ff_h264_set_mb_inspect_cb to the global list in
libavcodec/libavcodec.v.  Single-line addition to the 0016 patch.
Mirrored across the arch/ + debian/ patch trees.

PKGREL bump 14 → 15, changelog entry added (debian side).  PKGBUILD
pkgrel bumped on arch side too.  No behaviour change to the decode
path: the callback is still opt-in via the H264Context function
pointer; only consumers that have explicitly installed a callback
pay the one-load-one-branch cost per MB.

dejavu-check: this is fixing the existing 0016 observation-hook to
actually work as a dlsym intercept (the architectural shape the
patch was designed for).  NOT adding new per-kernel substitution.
Same shape, same patch number, same intent.  Just hiding/exporting
plumbing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-26 15:38:03 +02:00

marfrit-packages

Overlay package repository for the reauktion.de infrastructure.

Published at: https://packages.reauktion.de/

Scope

Tree Arches Notes
Arch Linux ARM (ALARM) aarch64 primary target — Pi 5, Rock 5, ampere, KU-1255 test rigs
Arch Linux x86_64 for nuccies / workstations
Debian arm64, amd64 for non-Arch hosts

MIPS is intentionally unsupported. The Fritz!Box is sacred.

Layout (served at packages.reauktion.de)

packages.reauktion.de/
├── arch/
│   ├── aarch64/{marfrit.db,marfrit.files,*.pkg.tar.{xz,zst}{,.sig}}
│   └── x86_64/...
├── debian/
│   ├── dists/
│   │   ├── bookworm/{Release,InRelease,Release.gpg,main/binary-{arm64,amd64}/...}
│   │   └── trixie/...
│   └── pool/main/...
└── marfrit.gpg      # public signing key

Adding the repo (Arch / ALARM)

curl -sO https://packages.reauktion.de/marfrit.gpg
sudo pacman-key --add marfrit.gpg
sudo pacman-key --lsign-key 92D5E96D8F63C75E4116AA1FF5C8C4603D0D250C

# Paste at the end of /etc/pacman.conf:
[marfrit]
Server = https://packages.reauktion.de/arch/$arch
SigLevel = Required DatabaseRequired

sudo pacman -Sy

Adding the repo (Debian)

sudo install -m 755 -d /etc/apt/keyrings
curl -s https://packages.reauktion.de/marfrit.gpg | \
    sudo gpg --dearmor -o /etc/apt/keyrings/marfrit.gpg

echo "deb [signed-by=/etc/apt/keyrings/marfrit.gpg] https://packages.reauktion.de/debian $(lsb_release -cs) main" | \
    sudo tee /etc/apt/sources.list.d/marfrit.list

sudo apt update

Signing key

  • Fingerprint: 92D5E96D8F63C75E4116AA1FF5C8C4603D0D250C
  • UID: Markus Fritsche (marfrit-repo signing) <mfritsche@reauktion.de>
  • Expires: 2030-04-13

Key management procedures (renewal, rotation, revocation) live in DokuWiki at private:reauktion:marfrit_repo_key (admin-only).

Layout in this Git repo

marfrit-packages/
├── README.md
├── arch/
│   └── distcc-avahi/                # ALARM distcc with --with-avahi
├── debian/                          # (future) Debian source packages
└── .gitea/
    └── workflows/
        └── build.yml                # CI pipeline stub

Mail

mfritsche@reauktion.de.

S
Description
ALARM aarch64 + Arch x86_64 + Debian arm64/amd64 overlay repo — published at packages.reauktion.de
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