On Sat, 09 May, 2020 at 16:02:17 -0400, mark wrote:
Hi, folks,
Updated CentOS 7 the other day. Updated zoom last night. Ancient (15 yr old) USB camera, Logitech QuickCam Express.
If I run LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so cheese, I get video. Zoom, with or without the LD_PRELOAD - no video. I've tried stracing zoom, and created a file /etc/ld.so.preload, with the contents of /usr/lib64/libv4l/v4l2convert.so, and in strace, I see it loading it, but still no video.
Anyone got any clues? Being a free end user, all zoom offers is the knowledge base....
I recommend installing zoom from flatpak:
https://flathub.org/apps/details/us.zoom.Zoom
It will pull in the freedesktop runtime, which contains the required libraries. No need to fiddle with LD_PRELOAD and the like.