VFR (Variable Frame Rate) check

With what accuracy does this method return the timestamps of each frame? Can it be used to analyze VFR (Variable Frame Rate) video files?
cap.get(cv2.CAP_PROP_POS_MSEC)

i’d assume, this is interpolated with a fixed rate, unusable for what you want

no, that’s converting between timebases. that’s all fine. it should work.