caa a22 4500 605447241 CHVBK 20210128100131.0 cr unu---uuuuu 210128e20150701xx s 000 0 eng 10.1007/s11042-014-1856-y doi (NATIONALLICENCE)springer-10.1007/s11042-014-1856-y Architecture for video streaming application on heterogeneous platform [Elektronische Daten] [Yung-Sung Huang, Bin-Chang Chieu] In this paper, we propose a new architecture, which is an efficient streaming media player application on heterogeneous platform. The streaming library can be used in design for reducing the memory bandwidth on processing RTSP/RTP/RTCP network protocols. And the proposed improvement has to do with the I-frame encoding alone. The architecture can receive higher rate for data transfer and packet loss in embedded system. The framework of the key components is able to adopt Direct Memory Access to reduce the time-consumption resulted from the communication between the dual cores. On the other hand, the approach of the dynamic quality adaption improves the video bitstream by periodically adjusting the values of encoding quality parameters. Through the experiment results, it is evident that the new video streaming architecture greatly enhances the coding efficacy. Our experimental results present that the decoding/encoding speed of the dual-core CPU embedded with Direct Memory Access is enhanced up to 50%, and its usage of CPU resources and memory bandwidth are 50% lower than that of the popular JRTPLIB. Springer Science+Business Media New York, 2014 Streaming library nationallicence Quantization parameter nationallicence Heterogeneous platform nationallicence Huang Yung-Sung Technology Department of Electronic Engineering, National Taiwan University of Science, Taipei City, Taiwan aut Chieu Bin-Chang Technology Department of Electronic Engineering, National Taiwan University of Science, Taipei City, Taiwan aut Multimedia Tools and Applications Springer US; http://www.springer-ny.com 74/13(2015-07-01), 4927-4945 1380-7501 74:13<4927 2015 74 11042 https://doi.org/10.1007/s11042-014-1856-y text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s11042-014-1856-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Huang Yung-Sung Technology Department of Electronic Engineering, National Taiwan University of Science, Taipei City, Taiwan aut NATIONALLICENCE 700 1- Chieu Bin-Chang Technology Department of Electronic Engineering, National Taiwan University of Science, Taipei City, Taiwan aut NATIONALLICENCE 773 0- Multimedia Tools and Applications Springer US; http://www.springer-ny.com 74/13(2015-07-01), 4927-4945 1380-7501 74:13<4927 2015 74 11042