is it possible to load only a crop of the video?

[orena1]

If I have a 1200x1200 video, can I load only crop (central 100x100) or maybe every second pixel (spatial subsampling)?
Thanks

[johndpope]

are you doing machine learning stuff? is your concern on the memory usage?
i have been solving similiar problem in pytorch land rendering out frames to a new dataframe npz file
https://github.com/johndpope/MegaPortrait-hack/blob/main/EmoDataset.py#L59