Proceedings of the Korean Institute of Information and Commucation Sciences Conference (한국정보통신학회:학술대회논문집)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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A design of Context-Based Adaptive Variable Length Coder For H.264

H.264용 Context-Based Adaptive Variable Length Coder(CAVLC) 설계

  • Lee, Hong-Sic (Electronic Dept. Graduate School, Woosong University) ;
  • Suh, Ki-Bum (Electronic Dept. Graduate School, Woosong University)
  • Published : 2005.10.28
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Abstract

This paper propose an novel CAVLC architcture for H.264 and designed the CAVLC module which can be used in AMBA based design. This designed module can be operated in 420 cycle for one-macroblock and support both long-start code method using Annex B.1 and RTP. To verify the CAVLC architecture, we developed the reference C from JM8.5 and verified the our developed hardware using test vector generated by reference C. The designed circuit can be operated in 54MHz clock system, and has 14096 gate counts using Hynix 0.35 um TLM process.

본 논문에서는 AMBA 기반으로 사용될 수 있는 H.264용 CAVLC모듈의 새로운 구조와 설계를 하였다. 설계된 모듈은 Annex B.1 의 long-start code방식과 RTP 방식을 지원하며, 한 매크로 블록당 최대 420 cycle내에 동작한다. 제안된 구조를 검증하기위하여 JM 8.5부터 reference C를 개발하였으며, reference C로부터 test vector를 추출하여 개발된 회로를 검증하였다. 제안된 회로는 54MHz clock에서 동작하며, 합성결과 hynix 0.35 um TLM 공정에 14096 gate크기이다.

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