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Design and Applicatiion of MPEG-4 Streaming Multimedia Transmitting System Based on OMAP5910

Author: LiuZuo
Tutor: HouChunPing
School: Tianjin University
Course: Communication and Information System
Keywords: Streaming MPEG-4 OMAP5910 Embedded Linux Index information (idx1)
CLC: TN919.8
Type: Master's thesis
Year: 2007
Downloads: 60
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Abstract


With the development of Internet technology , streaming media technology in the Internet media communication has played a leading role , and gradually become the mainstream of Internet applications . It is generally optimistic about the future of streaming media technology development , streaming media technology to become a research focus recently . MPEG-4 provides a very low bit rate compression quality assurance , and even the media content can be self-adjusting bit rate and quality requirements . MPEG-4 to become the next generation of online multimedia transmission formats and standards , so research based on MPEG-4 real-time transmission technology is necessary and meaningful . In this paper, the characteristics of TI's OMAP5910 dual-core microprocessor , developed under the Linux operating system , MPEG-4 streaming media delivery platform . OMAP5910 microprocessor with ARM and DSP two nuclear , make full use of the advantages of ARM total control end , responsible for network transmission system resource allocation , initialization ; specialized MPEG-4 decoder with DSP work , so that you can maximize the efficiency , reduce product cost . Transmitting MPEG-4 data , the article is not blindly using sent sequentially , but the data on the server side disrupt the MPEG-4 format sequence , re - encapsulation , the decoder in decoding the first need to query the index information is transmitted first to the client. This allows the client to arbitrarily change the playback position to realize the true sense of the on-demand streaming media player . Verified by testing on a LAN , the system no stopping order of play streaming media data , while allowing the user to change the playback position at any time , to achieve the design requirements .

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