ffmpeg not creating previews in Newznab

Had an issue on my system where ffmpeg latest version installed via brew (2.2.1) yet I couldn't get any previews on media.

Much head scratching later, it turns out that because my ffmpeg install is so new newznab wasn't configured to use it.

So, you need to edit postprocess.php & add the following line (//2.x):

Make sure you comment out the other lines as above, its near the bottom of the file! :-)