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Method for frame-granularity real-time downloading and play of streaming media server

A streaming media server, granular technology, applied in the direction of image communication, selective content distribution, electrical components, etc., can solve the problems of wasting bandwidth, slow response speed, etc., and achieve the effect of easy expansion and enhanced concurrency

Inactive Publication Date: 2012-08-01
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to statistics, a large proportion of the media content requested by users does not play the entire content. If the edge media server downloads all the media content before streaming, the response speed must be too slow and a lot of bandwidth will be wasted.

Method used

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  • Method for frame-granularity real-time downloading and play of streaming media server
  • Method for frame-granularity real-time downloading and play of streaming media server

Examples

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 Shown, the streaming media server of the present invention is the method for downloading and playing in real time with frame granularity, comprising the following steps:

[0018] S1. Stream the media content according to the same playback time, cut it into continuous slices, assign an ID to each slice, and establish slice index information for each slice, and the slice index information includes at least frame length and frame interval Time, frame type, frame offset within the slice, total number of frames, valid frames. Content index information is established for the media content, and the content index information includes media content IDs and all slice IDs.

[0019] S2. The streaming media server establishes a mapping for media content and content index information, and establishes a mapping for slices and slice index informatio...

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Abstract

The invention discloses a method for the frame-granularity real-time downloading and play of a streaming media server, and relates to the field of real-time downloading and play of contents between media servers. The method comprises the following steps of: 1, cutting media contents into continuous slices, allocating an identifier (ID) and slice index information to each slice, and establishing content index information for the media contents; 2, mapping the media contents and the content index information, and mapping the slices and the slice index information; 3, downloading the content index information according to an on demand media content ID; 4, downloading the slice index information by taking a frame as granularity by using the streaming media server, and setting a current valid frame in a slice index according to the media data of a downloaded slice; and 5, mapping on demand time to an initial played frame in the slice according to the slice index information, and playing all frames between the initial frame and the valid frame. By the method, required media contents can be downloaded in real time in a cluster with the media servers or an upper-layer cluster, and can be transmitted to a user at the highest speed.

Description

technical field [0001] The invention relates to the field of real-time downloading and playing of content between media servers, in particular to a method for real-time downloading and playing of stream media servers with frames as granularity. Background technique [0002] The streaming media system is a system with very high real-time requirements, and the response to user demand should be controlled within a certain time range to enhance user experience. A large-scale streaming media system is designed as a hierarchical structure, with a central cluster and many edge clusters, and each cluster consists of multiple streaming media servers. In order to disperse the pressure of the central cluster, a small number of intermediate clusters can be deployed between the central cluster and the edge clusters as cache nodes of the central cluster to serve the central cluster. As the largest cluster, the central cluster system stores all media content, while the edge cluster can on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/231H04N21/232H04N21/234H04N21/845
Inventor 吴凌俊冯军
Owner FENGHUO COMM SCI & TECH CO LTD
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