Selective information handling for video processing

H - Electricity – 04 – N

Patent

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Details

H04N 7/34 (2006.01)

Patent

CA 2682461

A system for selectively handling information. In an example embodiment, the system includes a first mechanism for processing information pertaining to one or more sub-blocks of a macroblock in a first stream and a second stream, and outputting a first processed stream and a second processed stream in response thereto. A second mechanism selectively combines information in the first processed stream and the second processed stream and provides an updated version of the first stream or the second stream to the first mechanism in response thereto. In a more specific embodiment, the first mechanism includes a processor, such as in intra 4x4 search module, that processes a sub-block of a macroblock by performing intra prediction for the sub-block. The processor is adapted to process sub-blocks of a macroblock in parallel, such as in a pipelined fashion or via separate engines capable of operating in parallel.

L'invention concerne un système pour une manipulation sélective d'informations. Dans un mode de réalisation en exemple, le système comprend un premier mécanisme pour traiter des informations ayant trait à un ou à plusieurs sous-blocs d'un macrobloc en un premier flux et un second flux, et pour émettre un premier flux traité et un second flux traité en réponse à ce traitement. Un second mécanisme combine de manière sélective des informations dans le premier flux traité et le second flux traité et fournit une version mise à jour du premier flux ou du second flux au premier mécanisme en réponse à celui-ci. Dans un mode de réalisation plus précis, le premier mécanisme comprend un processeur, tel un module de recherche intra-4´4, qui traite un sous-bloc d'un macrobloc en effectuant une intraprédiction pour le sous-bloc. Le processeur est conçu pour traiter des sous-blocs d'un macrobloc en parallèle, tel qu'en mode pipeline, ou via des moteurs séparés capables de fonctionner en parallèle.

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