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mpv-fourier pkgrel=5: build against marfrit ffmpeg-v4l2-request-fourier
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Browse Source 
Run #68's mpv-fourier-1:0.41.0-4 fails to start on ohm with libavcodec
ABI mismatch:
  build version 62.28.101 incompatible with runtime version 62.28.100

Build host (fermi) pulls stock arch ffmpeg via makepkg --syncdeps —
that ffmpeg currently ships libavcodec 62.28.101. Consumer host (ohm)
runs marfrit/ffmpeg-v4l2-request-fourier (Kwiboo's fork pinned to
commit b57fbbe, libavcodec 62.28.100). The build/runtime drift
silently aborts mpv at startup before the version banner prints.

Fix: configure [marfrit] on fermi and pre-install our ffmpeg before
makepkg --syncdeps. mpv-fourier PKGBUILD now depends on
ffmpeg-v4l2-request-fourier explicitly (replacing the generic ffmpeg
dep), making the build target unambiguous.

Workflow change: new step in mpv-fourier-aarch64 between "install
deploy ssh key" and "makepkg" — imports the marfrit signing key into
pacman-key, appends [marfrit] block to /etc/pacman.conf if absent,
syncs db, installs marfrit/ffmpeg-v4l2-request-fourier explicitly so
makepkg --syncdeps finds the dep already satisfied via provides=ffmpeg.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Markus Fritsche
2026-05-08 17:06:45 +00:00
parent 9613cbbc9e
commit a8e042cf2f
2 changed files with 20 additions and 2 deletions
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.gitea/workflows/build.yml
+18
View File
@@ -633,6 +633,24 @@ jobs:
chmod 600 /root/.ssh/id_ed25519
ssh-keyscan -t ed25519 nc.reauktion.de > /root/.ssh/known_hosts 2>/dev/null
- name: configure [marfrit] repo + pre-install ffmpeg-v4l2-request-fourier
run: |
set -e
# mpv-fourier links libavcodec at build time. If the build host pulls
# stock arch's ffmpeg, the resulting binary's libavcodec ABI version
# drifts from the marfrit ffmpeg-v4l2-request-fourier that consumer
# hosts (ohm) install. Force build-time consistency by configuring
# [marfrit] on fermi and pre-installing our ffmpeg before makepkg.
curl -sLo /tmp/marfrit.gpg https://packages.reauktion.de/marfrit.gpg
pacman-key --add /tmp/marfrit.gpg
pacman-key --lsign-key 92D5E96D8F63C75E4116AA1FF5C8C4603D0D250C
rm -f /tmp/marfrit.gpg
if ! grep -q '^\[marfrit\]' /etc/pacman.conf; then
printf '\n[marfrit]\nServer = https://packages.reauktion.de/arch/$arch\nSigLevel = Required\n' >> /etc/pacman.conf
fi
pacman -Sy --noconfirm
pacman -S --noconfirm marfrit/ffmpeg-v4l2-request-fourier
- name: makepkg mpv-fourier
run: |
set -e