The libX11-devel package contains libraries and header files for libX11.
acquired package info from repodata DB: repodata/f1f85c23079e7764ad00378a9fc5d660b89a03657290e75426caf7be5b7da462-primary.sqlite.bz2
Yami is the core building block of a media solution. It uses hardware acceleration to parses and decode video streams.
Libyami-devel package contains libraries and header files used for developing applications using libyami.
The libva-devel package contains libraries and header files for developing applications that use libva.