Convert a Portrait Video into Landscape with ffmpeg

Susan had two videos in portrait format that needed to be in landscape per requirement. I used this page:

https://www.rigacci.org/wiki/doku.php/doc/appunti/linux/video/fix_smartphone_portrait_videosdoku.php/doc/appunti/linux/video/fix_smartphone_portrait_videos

I set offset_y=0.0 and crop_aspect=1.0.