Processor allocation for channels in a video multi-processor...

H - Electricity – 04 – N

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H04N 21/2365 (2011.01) H04N 7/50 (2006.01)

Patent

CA 2422249

An efficient processing system, such as for transcoding video data. In a multi- processor embodiment, channels of data are assigned to processors to maximize the use of the processor resources. A channel complexity measure (220) is made from a sample (210) of each channel, and an accumulated complexity (260) is maintained for each processor based on the complexity of the channels assigned to it. The channels are assigned to the processors such that the most complex channels are assigned first, and the processor with the least accumulated complexity receives the next channel assignment.

Cette invention a trait à un système efficace de traitement, notamment à un système de transcodage de données vidéo. Dans un mode de réalisation à multiprocesseurs, les canaux sont attribués à des processeurs afin d'optimaliser l'utilisation des ressources du processeur. Une mesure de complexité de canal (200) est effectuée au moyen d'un échantillon (210) de chaque canal et l'on fait perdurer une complexité accumulée (260) pour chaque processeur en fonction de la complexité des canaux qui lui ont été attribués. Les canaux sont attribués aux processeurs de telle sorte que les canaux les plus complexes soient attribués en premier, le processeur doté d'une moindre complexité accumulée recevant l'attribution du canal suivant.

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