Live play Video

Hi so like the know what is best to use to play video at a live event I use at the moment pro presenter but seams to drop fame look but will play fine on a tv have used different computers with same results is there a hard were were I can save and play back files

hyperdecks wil do a great job, there is quite some integration with the atem in a number of ways.

Raspberry Pi computers with a simple video setup like something found at adafruit.com look for the "video looper"