Title :
A content-aware packets priority ordering and marking scheme for H.264 video over diffserv network
Author :
Sun, Gang ; Xing, Wei ; Lu, Dongming
Author_Institution :
Coll. of Comput. Sci., Zhejiang Univ., Hangzhou
fDate :
Nov. 30 2008-Dec. 3 2008
Abstract :
Video transmission over Internet can greatly benefit from adapting video content to diffserv network parameters, to better support the application requirements. In this paper, a novel content-aware packet priority ordering and marking scheme is presented for streaming H.264 coded video over differentiated services enabled networks. The scheme takes advantage of flexible macroblock ordering (FMO) coding scheme to group the macroblocks by estimating their contribution to current frame. Then for each video packet, a relative priority index at macroblock level (MB-RPI) is calculated and packets are pre-marked according to the MB-RPI. Consequently, video packets are treated differently when transmitting in a diffserv network. Simulation results shows that our scheme can achieve better video quality comparing to the legacy scheme.
Keywords :
DiffServ networks; Internet; video coding; video streaming; H.264 coded video streaming; Internet; content-aware packets priority ordering; diffserv network; flexible macroblock ordering; marking scheme; relative priority index; video quality; video transmission; Application software; Computational modeling; Computer science; Degradation; Diffserv networks; Educational institutions; IP networks; Quality of service; Streaming media; Sun; content-aware; diffserv; flex macroblock order; packets marking;
Conference_Titel :
Circuits and Systems, 2008. APCCAS 2008. IEEE Asia Pacific Conference on
Conference_Location :
Macao
Print_ISBN :
978-1-4244-2341-5
Electronic_ISBN :
978-1-4244-2342-2
DOI :
10.1109/APCCAS.2008.4746375
