Hah! That's it - back in 2013 I built a local copy of libSDL in /usr/local/lib and that has been stuffing me up. Removed it and all is okay.
Thanks! Jan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860266 Title: ffmpeg symbol lookup error SDL_GL_GetDrawableSize To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ffmpeg/+bug/1860266/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs