Scalable 360 Video Streaming using HTTP/2
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Date
2019
Authors
Nguyen, Duc
Hoang, Van Trung
Hoang, Le Dieu Huong
Truong, Thu Huong
Pham, Ngoc Nam
Truong, Cong Thang
Journal Title
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Volume Title
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Abstract
360-degree video is the main content type of Virtual Reality, providing users with an immersive viewing experience. In this paper, we propose a novel adaptation method for 360-degree video streaming over HTTP/2, which can provide a high viewing experience to users under time-varying network conditions and time-varying user head movements. The proposed method utilizes Scalable Video Coding to solve the trade-off between network adaptivity and user adaptivity. An optimal tile layer selection algorithm is provided. To cope with sudden throughput drops, the delivery of late layers is terminated using HTTP/2’s stream termination feature. Also, a tile layer updating scheme is proposed to deal with viewport estimation errors. Experimental results show that the proposed method can improve the average bitrate of viewport by 16-17% compared to a reference method.