Carriage of sei messages in rtp payload format

Details Carriage of sei messages in rtp payload format Carriage of sei messages in rtp payload format

H - Electricity

04

N

H04N 7/26 (2006.01)

Patent

CA 2675955

A system and method of modifying error resiliency features by conveying temporal level 0 picture indices, such as t10_pic_idx, within an SEl message instead of optionally including them in the NAL unit header is provided. In addition, a mechanism is provided for enabling repetition of any SEl messages in Real-Time Transport Protocol (RTP) packets. Enabling such repetition of any SEl messages facilitates detection of lost temporal level 0 pictures on the basis of any received packet.

L'invention concerne un système et un procédé de modification de caractéristiques de résilience d'erreur par transport d'indices d'image de niveau 0 temporels, tels que t10_pic_idx, à l'intérieur d'un message SEl au lieu de les inclure facultativement dans l'en-tête d'unité NAL. En outre, un mécanisme est proposé pour permettre une répétition de tout message SEl dans des paquets de Protocole de Transport en Temps Réel (RTP). Le fait de permettre une telle répétition de tout message SEl facilite la détection d'images de niveau 0 temporelles perdues sur la base de tout paquet reçu.

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