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Research and Realization on Real-time Network Video Transmitting System Based on DM642

Author: GuoWeiZuo
Tutor: GuoBaoLong
School: Xi'an University of Electronic Science and Technology
Course: Control Theory and Control Engineering
Keywords: DM642 H.264 Optimization SOCKET programming
CLC: TN919.8
Type: Master's thesis
Year: 2009
Downloads: 299
Quote: 10
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Abstract


With the development of DSP technology , broadband networks and international video coding standard continuously updated through the network real-time transmission of video signals of multimedia technology has become an important research direction . Media processor is in high-performance general-purpose DSP processors developed on the basis of , the performance in the field of multimedia applications better and easier to use. U.S. TI's TMS320DM642 chip is designed for the development of high-performance multimedia DSP, its high-speed computing power (4800MIPS) and a rich peripheral interfaces for multimedia products application provides the ideal solution , is ideal for video applications platforms. H.264/AVC the ITU-T Video Coding Experts Group (VCEG) and ISO / IEC Moving Picture Experts Group (MPEG) video coding standard developed by the latest in the same reconstructed image quality , H.264 standard savings comparable to the previous more than 50% rate , is currently a hot research field of video communications . The main work is to study and implement real-time network video transmission system. First to TI's DM642 as the core , developed a video processing system - DM642VPS, including the main modules of the system detailed design and implementation. Then, based on the development of a system transplanted H.264 codec algorithms, and algorithms for optimization , optimization effect is obvious. Finally, based on the basis of the first two steps of the network transmission of video signals , the current system is running in good condition , the network transmission of video images more clear and smooth.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication
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