在局域网网络上使用动态自适应HTTP流(DASH)传输H.265视频

Hamid Azwar, Hendrawan
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引用次数: 6

摘要

目前出现了最新的视频编码H.265或被称为高效视频编码(HEVC)。在使用HTTP的MPEG动态自适应流媒体(MPEG- dash)视频流服务的应用中,由多个视频片段组成的媒体表示描述(MPD)中包含的视频质量级别表示。设置视频片段长度时出现的问题是,在使用MPEG-DASH传输视频片段时,客户端接收到的视频质量会受到影响。本研究采用H.265视频到MPEG-DASH的传输方式,与局域网FTP服务器的后台流量混合传输。研究结果表明,H.265视频可以通过MPEG-DASH进行自适应传输。较小的视频片段的长度将产生更大的PSNR值。缓冲时间生成的参数值几乎接近所使用的长视频段的值,因此使用较小的视频段会更好。但是视频片段对处理器使用的积极影响更大,因为它产生的值更小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
H.265 video delivery using dynamic adaptive streaming over HTTP (DASH) on LAN network
Currently it appears the latest video coding H.265 or known as High Efficiency Video Coding (HEVC). In the application of video streaming services using MPEG Dynamic Adaptive Streaming over HTTP (MPEG-DASH), the video quality level representations contained in the Media Presentation Description (MPD) composed by several video segments. The problems that arise when setting the length of the video segment is the influence of the received video quality at the client at the time of the video segments are transmitted using MPEG-DASH. This study uses H.265 video to MPEG-DASH delivered using blended with the background traffic from the FTP server on the LAN network. The results of this research indicate H.265 video can be used for adaptive delivery using MPEG-DASH. The length of the smaller video segments that will generate greater PSNR value. Parameter values generated buffering time is almost close to the value of long video segments that are used so that it would be better to use the smaller video segments. But the video segments greater positive impact on processor usage because it produces the smaller value.
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