Using the hugo-video theme local videos can be included via shortcode:
YouTube is supported by a buildin shortcode.
Converting a DVD video file into MP4 for the web. With deiniterlacing (-vf yadif) and cutting to timestamps (-ss 00:00:05 -to 00:05:39).
ffmpeg -i VTS_01_1.VOB -vf yadif -ss 00:00:05 -to 00:05:39 -an output.mp4