Does not support video file input. Images to be stacked must be placed into a folder, the folder is passed to the script.
python -m stack_img stack <FOLDER>
python -m stack_img animate <FOLDER>
python -m stack_img animate <FOLDER> --nframe 2
The larger the number, the longer the movie will take to compile
python -m stack_img animate <FOLDER> --frange 60
Mix and match the range of frames and Nth frame arguments
python -m stack_img animate <FOLDER> --frange 5 --nframe 2