Cabarat, Pierre-Loup

Déforges, Olivier

Hamidouche, Wassim

LE FEUVRE, Jean

Raulet, Mickaël

International audienceIn this paper we present a real-time end-to-end streaming demonstration based on Scalable High efficiency Video Coding (SHVC) hybrid codec scalability. The transmitted content consists of a SHVC bitstream composed of an High Definition (HD) 1080p Advanced Video Coding (AVC) Base Layer (BL) and a 4K 2160p High Efficiency Video Coding (HEVC) Enhanced Layer (EL). The AVC BL was previously encoded with the Joint test Model (JM) reference software and the Scalable HEVC test Model (SHM) reference software was then used to generate the HEVC EL. The AVC BL and the SHVC EL were encapsulated into MPEG-4 Part 14 (MP4) format using GPAC multimedia framework (GPAC). On the server side, an instance of the GPAC software broadcasts the MP4 content in MPEG-Transport Stream (MPEG-TS). On the client side, the GPAC player receives SHVC packets and feeds the SHVC hybrid codec decoder. The hybrid codec SHVC decoder consists of an AVC BL decoder and a HEVC EL decoder used under GPAC player through the FFmpeg library. The decoder enables real time decoding of both AVC BL and 4Kp60 HEVC EL which can then be rendered by the GPAC playe

Demo: 4K Real-Time Video Streaming in Hybrid Codec Scalability SHVC configuration

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