MarsSeed [1] filed an orphan request for gstreamer0.10-ffmpeg [2]: Unmaintained, broken. Was reported since 2021 in AUR comments as failing to build due to some gcc warnings being treated as errors.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/gstreamer0.10-ffmpeg/
