Having watched the trial they had very good reason to disallow this, the enlargement in this case was of critical importance (angle of gun) and the expert testified how different algorithms might fill in pixels, he explained how bicubic interpolation[1] based enlargement of a frame from a video which was taken by zooming in an iphone.

The video in question was taken from far, in night time, with shadows, and street lights.

[1]Expert Testimonty - https://youtu.be/pyppmuFxwKk?t=20976 [2]Image being enlarged - https://youtu.be/pyppmuFxwKk?t=22814