Taken from https://www.shadertoy.com/view/Ms23DR by Mattias with added controls and some minor changes
simple CRT scanline effect with R/B shift, vignette and some feedback.
best for full frame footage without alpha (the feedbacks last frame remains, bug or feature)
– DistortionDetail (should be animated with timeline or FFT for best effect)
Loosely based on postprocessing shader by inigo quilez.
License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.