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A Entropy Decoding Design for High Definition Video in H.264 Baseline Profile

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4 Author(s)
Dayong Wang ; Shanghai Jiao Tong Univ., Shanghai, China ; Yujie Zhou ; Dandan Zhao ; Jufa Mao

In this paper, a real-time entropy decoder for HD video is designed, the whole decoding process is controlled under a finite state machine and the codeword is divided into three parts such as SPS/PPS/SliceHeader, CAVLC and EXP-Golomb. Due to variable length code, the five syntax elements of CAVLC will be parsed step by step. In the proposed implementation, a look-up table algorithm based on pos (the number of zero) is exploited and may be divided into sub-table according to priority in the same pos. The synthesis results show that the architecture can satisfy the requirement for a 1920×1080p@30fps high definition decoding.

Published in:

Embedded and Multimedia Computing, 2009. EM-Com 2009. 4th International Conference on

Date of Conference:

10-12 Dec. 2009