一种基于TMS320C6678多核处理器的JPEG实时解码优化算法

摘要

针对电子信息系统应用中数字视频的实时处理要求,在解析JPEG解码原理的基础上,针对多核DSP的系统架构,提出了多核DSP任务并行设计方法,设计了基于TMS320C6678的JPEG解码系统,实现了解码任务并行流水和核间高效通信.实验结果表明,基于TMS320C6678的JPEG解码系统的实时处理能力有很大提升,在电子信息系统数字视频传输与处理领域有广泛应用前景.%Focus on the real-time processing requirement for digital video in electronic information system applications,based on the analysis of JPEG decoding,proposes a method of multicore DSP task-level parallel implementation for the system architecture of multicore DSP,and design a JPEG decoding system based on TMS320C6678,implement decoding task-level parallel pipeline and efficient inter-core communication.Experimental results show that the real-time processing capability of JPEG decoding system based on TMS320C6678 has improved so much and broaded application prospect in the field of digital video transmission and processing of electronic information systems.