Not sure of my terminology here but I have some movies that are what I guess is 1260 resolution (1260 in the title) and the all play jerky in VLC. Some have a 1080 (1080 in title)version and they play fine in VLC.
Have tried other programs Chrome, ACDC. with same result.
Anyone know how to play them without the problem or a program that will convert them to 1080.
Any help or suggestions appreciated.

Colin