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Method, device and system for publishing media description information and acquiring media

A technology for describing information and media, applied in the field of communication, it can solve the problem of obvious delay in starting media playback, and achieve the effect of reducing time, reducing delay and improving QoE.

Active Publication Date: 2010-03-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This download process can cause a noticeable start-up delay before the user can watch the video
As the information contained in the media description file increases and the size of the media description file increases, the startup delay of media playback will become more obvious

Method used

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  • Method, device and system for publishing media description information and acquiring media
  • Method, device and system for publishing media description information and acquiring media
  • Method, device and system for publishing media description information and acquiring media

Examples

Experimental program
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Embodiment Construction

[0046] The method, device and system of the present invention will be described in detail below with reference to the drawings and embodiments.

[0047] The method for generating media description information described in the embodiment of the present invention, such as figure 2 shown, including:

[0048] S101. Fragmenting the media;

[0049] S102. Generate media summary description information, where the media summary description information carries media information and basic information of each segment;

[0050] The media fragmentation device generates media summary description information when media slices are stored, and the media summary description information carries the information of media division and fragmentation; the media summary description information can include: movie identification, movie name, playback code rate, Size, publisher, release time, identification of each segment, playback time corresponding to each segment, etc.

[0051] S103. Generate frag...

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PUM

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Abstract

The invention discloses a method, a device and a system for publishing media description information and acquiring media, which is designed to solve the problem of the time extension when starting to play the media. The method for acquiring media comprises the following steps: receiving a media request message carrying media identification and playing time; acquiring general media description information corresponding to the media identification; searching the segmental identification corresponding to the playing time according to the general media description information; acquiring the segmental description information corresponding to the segmental identification; and receiving the segmental content corresponding to the segmental identification according to the segmental description information. The embodiment of the invention can be used for transmitting media in P2P networks.

Description

technical field [0001] The invention relates to the communication field, in particular to a method, device and system for publishing media description information and acquiring media. Background technique [0002] In a P2P (peer-to-peer) peer-to-peer network, two or more PCs or other devices directly communicate or collaborate on the network, sharing shared resources including processing power (CPU), programs and data. resource. In the P2P structure, there is no central node (or central server) in the network, and each node simultaneously assumes the triple responsibility of information consumer, information provider and information intermediary. figure 1 It is a common structured P2P Overlay (overlay network), and all Peers (nodes) form a P2P Overlay. Peer1 can publish the content index (Key / Value) to the P2P Overlay through the Put command. During the publishing process, Peer1 finds the root node Peer2 that is responsible for storing Key / Value according to specific P2P r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/56H04L1/00
Inventor 李峰殷悦李光
Owner HUAWEI TECH CO LTD
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