Video decoding and transcoding method and system

Details Video decoding and transcoding method and system Video decoding and transcoding method and system

2007-09-24

2011-12-27

Ngo, Ricky (Department: 2464)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

08085853

ABSTRACT:
A video decoding and transcoding method and system, which decodes, displays and transcodes a video stream. When a previous frame is completely decoded, a decoding procedure checks whether a frame buffer assigned is usable. When the frame buffer is usable, a current frame is decoded to produce a decoded frame and temporarily store the decoded frame in the frame buffer, and a frame flag corresponding to the frame buffer is set. When a previous field is completely displayed, a displaying procedure checks whether the frame buffer temporarily stores the decoded frame. When the frame buffer temporarily stores the decoded frame, the decoded frame is read and displayed. When the previous frame is completely decoded, a transcoding procedure checks whether the frame buffer temporarily stores the decoded frame. When the frame buffer temporarily stores the decoded frame, the decoded frame is read and transcoded.

REFERENCES:
patent: 6072548 (2000-06-01), Schoner et al.
patent: 2005/0123046 (2005-06-01), Wang et al.
patent: 2007/0092004 (2007-04-01), Ho

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