The source project of this merge request has been removed.
disable libplacebo support
vlc is currently not compatible with libplacebo 6.x, which some packages (at least mpv) are now requiring. right now we can't update mpv because of this problem with vlc.
debian has also disabled libplacebo support: https://code.videolan.org/videolan/vlc/-/merge_requests/3950
this is just temporary until vlc is updated to be compatible.