Accelerated full screen video playback

Details Accelerated full screen video playback Accelerated full screen video playback

1996-04-29

1998-04-21

Powell, Mark R.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345130, 345132, 395139, G09G 500

Patent

active

057422729

ABSTRACT:
A method of drawing moving images on a graphics display comprising (a) receiving data defining an input image in a predetermined resolution, (b) commanding a graphics processor to draw a corresponding image frame on a display having a number of scanning lines which is a multiple m of a number of scanning lines of the input image and a multiple n of a number of pixels in a horizontal line of the input image, (c) drawing successive lines of the input image on a first and on each m.sup.th scanning line of the graphics display, while stretching each pixel on each drawn line over n pixels, (d) copying each drawn line on respective immediately following m-1 lines, and (e) repeating steps (b)-(d) for successive frames of the input image.

REFERENCES:
patent: 5351064 (1994-09-01), Zenda
patent: 5532716 (1996-07-01), Sano
patent: 5600347 (1997-02-01), Thompson et al.
patent: 5621870 (1997-04-01), Shyu et al.

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