Introduction to the Special Issue on Scalable Video Coding—Standardization and Beyond
IEEE Transactions on Circuits and Systems for Video Technology
Design options and comparison of in-network H.264/SVC adaptation
Journal of Visual Communication and Image Representation
Efficient in-network adaptation of encrypted H.264/SVC content
Image Communication
In-network real-time adaptation of scalable video content on a WiFi router
CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
In-network adaptation of H.264/SVC for HD video streaming over 802.11g networks
Proceedings of the 21st international workshop on Network and operating systems support for digital audio and video
Distributed information service architecture for overlapping multiaccess networks
Multimedia Tools and Applications
Adaptable system based on Scalable Video Coding for high-quality video service
Computers and Electrical Engineering
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Recent advances in video coding technology like the scalable extension of the MPEG-4 AVC/H.264 video coding standard pave the way for computationally cheap adaptation of video content. In this paper we present our work on a lightweight RTSP/RTP proxy that enables in-network stream processing. Based on an off-the-shelf wireless router that runs a Linux-based firmware we demonstrate that the video adaptation can be performed on-the-fly directly on a network device. The paper covers design and implementation details of the proxy as well as a discussion about the actual adaptation of the SVC stream. Based on experimental evaluations we show that our approach can handle a reasonable number of concurrent sessions for a typical home deployment scenario. Furthermore, the paper covers possible applications in which adaptation on the network device can be beneficial.