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Real-time H.264 Video Encoder Software Architecture Based on DSP

Jianming Zhao

Abstract

This paper presents a kind of H.264 video encoder software architecture which fit in general DSP platform.The encoder software based on architecture can run fast in DSP system,which can be used in real-time video applications.In this paper,we analyse the original H.264 encoder codes using performance profile tools to find out the bottleneck in the encoder.According to the TMS320DM642 DSP feature,we design a novel H.264 video encoder software architecture.Finally,by using some kind of DSP instructions optimization technology,the H.264 encoder can encode video source of CIF format in real-time.Likewise,this kind of H.264 video encoder software can be used in other general DSP platform similar with TMS320DM642.

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Available abstract

Key concepts: Encoder, Digital signal processing, Computer science, Software, Texas Instruments DaVinci, Computer hardware, Bottleneck, Video decoder