I found the solution! Setting monitorpixelaspect=1 in ~/.mplayer/config fixes this issue (at least on LCDs). This bug is also fixed in mplayer's svn tree.
-- gmplayer distorts video aspect ratio when running in Xgl. https://bugs.launchpad.net/bugs/115886 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs