$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install FFmpeg on Red Hat Gnu/Linux Distro Guide

GNU/Linux Red Hat Installing ffmpeg Guide

How to Install ffmpeg in Red Hat GNU/Linux desktops – Step by step Tutorials.

And ffmpeg for Red Hat Linux is the Leading Multimedia Framework, able to Decode, Encode, Transcode, Mux, Demux, Stream, Filter and Execute pretty much Anything that humans and machines have created.

How to Install ffmpeg on RedHat GNU/Linux Distro Guide

GNU/Linux Red Hat ffmpeg Installation Guide