What do you mean by the v5.3.6 source? I’m running v5.3.6 as well. ffmpeg executable is in the main installation folder. There are a few ffmpeg-compiled files in the ‘share’ folder which is located in the main folder. There are also a ‘ffmpegmediaplugin.dll’ in the ‘multimedia’ folder.
Edit* link to the 5.3.6 version
Topaz Video AI 5.3.5 - 5.3.6 - Topaz Video AI / Releases - Topaz Community
