Image output device, image forming device and method for generating video hard copy

摘要

A video buffer that updates and holds an inputted video signal by a unit of a frame image comprising: a image data holding unit (103) that consists of the first image data holding unit (103A) that holds the latest frame image, the second image data holding unit (103B) that hold the second frame image that goes back n pieces of frames in time from the first frame image and the third image data holding unit (103C) that hold the third frame image that goes back m pieces of frames in time from the first frame image; a moving picture display unit (105) that displays the latest frame image held in the first image data holding unit (103A); a print data selection unit (104) that selects a frame image stored in either of the first~the third image data holding units (103A~103C) as a print object; a print confirmation display unit (106) that displays the selected frame image; a print data generation unit (110) that converts the image data of the displayed image into print data and so forth.