Abstract
Aiming at the problem of low precision and long running time of traditional H.264 encoder algorithm, this paper proposes two optimization methods. One is to propose a method suitable for DSP to carry the reference frame, which can reduce the waiting time of DSP operation unit. By using DMA to read the data stored in the external access device in advance, all the data involved in the operation are stored in the memory of DSP chip. This improves the operation efficiency of DSP. Second, the macroblock based loop filtering makes the access times of DSP external memory minimum, and enhances the DSP’s ability of processing data. The test results show that the average decoding speed of the decoder is increased by 60% by the two optimization methods. The test system can decode CIF image at 526 MHz, and the speed can reach 30 frames per second.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
