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Real-time encoding of high-definition H.264 video is a challenge to current embedded programmable processors. Emerging stream processing methods supported by most GPUs and programmable processors provide a powerful mechanism to achieve surprising high performance in media/signal processing, which bring an opportunity to deal with this challenge. However, traditional serial CAVLC has highly input-dependent...
In this paper, a VLC decoder supporting to decode coefficient data in blocks of MPEG-2 and CAVLC in H.264 is presented. To achieve programmability of the VLC decoder, a memory-based architecture with improved memory efficiency is proposed. Group-based look-up table (LUT) algorithm is extended to multi-table merging (MTM) which extracts redundancy of groups further. With multi-table merging algorithm,...
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