Delay-Rate-Distortion Optimization for Cloud Gaming With Hybrid Streaming

Cloud gaming as the emerging game service has attracted significant attention. However, traditional video streaming approach suffers from high bandwidth consumption, and traditional graphics streaming approach requires a long initial period to download game models. In this paper, we propose a novel...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems for video technology 2017-12, Vol.27 (12), p.2687-2701
Main Authors: Nan, Xiaoming, Guo, Xun, Lu, Yan, He, Yifeng, Guan, Ling, Li, Shipeng, Guo, Baining
Format: Article
Language:English
Subjects:
Bandwidths
Cloud computing
Cloud gaming
Coding
Computer & video games
Delay
delay–rate–distortion (d-R-D) optimization
Distortion
Downloading
Encoding
Games
Mesh networks
Optimization
progressive mesh
rate allocation
Rendering (computer graphics)
Servers
Streaming media
video encoding
Video transmission
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Summary:Cloud gaming as the emerging game service has attracted significant attention. However, traditional video streaming approach suffers from high bandwidth consumption, and traditional graphics streaming approach requires a long initial period to download game models. In this paper, we propose a novel hybrid streaming framework, jointly applying video streaming and graphics streaming to provide a high-quality gaming experience. In the proposed framework, cloud servers not only transmit the encoded video frames but also progressively transmit the graphics data, which are used to render a game frame to provide an additional reference to the video encoder. Based on the proposed framework, we investigate the delay-rate-distortion optimization problem, where the source rate between the video stream and the graphics stream is optimized to minimize the overall distortion under the bandwidth and response delay constraints. The experimental results demonstrate that the proposed hybrid streaming can achieve the lowest distortion under the constraints of bandwidth and response delay, compared with the traditional video streaming and graphics streaming.
ISSN:1051-8215
1558-2205
DOI:10.1109/TCSVT.2016.2595330