On which platform ? For Ubuntu , try install libgles2-mesa-dev. sudo apt-get install libgles2-mesa-dev -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Could-not-find-the-required-OpenGL-ES-2-0-libraries-tp4672881p4672904.html Sent from the GStreamer-devel mailing list archive at Nabble.com.