Implementation and Optimization of H.264 Video Encoder based on DSP platform
Huang Hui-jing
Abstract
Huang Hui-jing
Abstract
A H.264 video encoder was implemented based on DM642 EVM,and optimized the program of H.264 video encoder from the four aspects of memory allocation,cache optimization,code optimization and assembly program level optimization.Experimental results showed that the optimized algorithm program could keep high image quality and high compressing ratio, and had better realtime performance.
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A H.264 video encoder was implemented based on DM642 EVM,and optimized the program of H.264 video encoder from the four aspects of memory allocation,cache optimization,code optimization and assembly program level optimization.Experimental results showed that the optimized algorithm program could keep high image quality and high compressing ratio, and had better realtime performance.
Key concepts: Computer science, Encoder, Cache, Program optimization, Digital signal processing, Video quality, Code (set theory), Optimization algorithm