Computer with a video subsystem that contains timers which are u

Details Computer with a video subsystem that contains timers which are u Computer with a video subsystem that contains timers which are u

1994-06-30

1996-05-21

Kostak, Victor R.

Television

Monitoring, testing, or measuring

348596, 348441, 395157, 345119, H04N 1700

Patent

active

055194389

ABSTRACT:
An apparatus and method for modifying the functionality of a computer system based on the dynamically determined operational capabilities of the system is disclosed. The system includes: 1) a video input component for receiving a video input stream including a plurality of video frames encoded in one of a plurality of available video formats; 2) a video decode component coupled to the video input component for decompressing and decoding the video input stream thereby producing a decoded video input stream in a different one of the plurality of available video formats; 3) a video adapter component coupled to the video decode component for converting the decoded video input stream to one of a plurality of available display resolutions; 4) a first timer for measuring a first time interval required by the video decode component to complete decompression and decode of one or more of the video frames of the plurality of video frames; and 5) a second timer for measuring a second time interval required by the video adapter component to complete conversion of the decoded video input stream. The time intervals are stored in calibration tables which can be used to resize a pair of video windows displayed on a video display device.

REFERENCES:
patent: 4843468 (1989-06-01), Drewery
patent: 5025249 (1991-06-01), Seiler et al.
patent: 5367628 (1994-11-01), Ota et al.
patent: 5373375 (1994-12-01), Weldy
patent: 5384598 (1995-01-01), Rodriguez et al.
patent: 5436641 (1995-07-01), Hoang et al.

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