Media format conversion system and method used for digital house

A format conversion and digital home technology, applied in the transmission system, data exchange through path configuration, electrical components, etc., can solve problems such as inflexible adaptation, and achieve the effect of configurability

Inactive Publication Date: 2009-04-08
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Therefore, such a design method can

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  • Media format conversion system and method used for digital house

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings.

[0034] The transcoding system of the present invention includes several main modules: an HTTP server module, a virtual directory file IO request processing module, and a transcoding task allocation module, which are specifically introduced as follows:

[0035] (1) HTTP server module

[0036] In the digital home standard IGRS, the transmission of media content data between the media server and the media player adopts a protocol other than IGRS, so it is called media out-of-band transmission, and there is no specific protocol specified for media out-of-band transmission, and the present invention uses HTTP is a protocol for media out-of-band transmission. For this reason, the built-in HTTP server function must be implemented in the media server. The HTTP server module is responsible for receiving and processing the HTTP-Get request sent by the media player, and ...

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Abstract

The invention provides a system for converting media formats and a method thereof, which are applied to digital home. The system comprises a media server and a media player, wherein, the media server is connected with the media player through a digital home network; an independent transcoder program is arranged to be in charge of particular media format converting process; the media server controls transcoding preparation of the media format through configuration files, which means that a proper transcoder program is prepared according to the requirement of media transcoding with different formats. The invention overcomes the defects in the prior art, designs and realizes an expandable and configurable design proposal of external transcoding against media transcoding service of IGRS media server software. Furthermore, the invention also provides a method based on FIFO, which can support functions of transcoding, transmitting media data flow, and playing at the same time.

Description

technical field [0001] The invention belongs to the field of multimedia format conversion of digital family. technical background [0002] The AV application framework of the digital home standard IGRS (Intelligent Grouping and Resource Sharing) defines IGRS AV equipment, which includes a media server and a media player. The media server provides browsing and transmission of media content, and the media player is responsible for media playback. The media transcoding service is an optional function in the content directory service of the media server. It is used to realize real-time conversion between different media formats when the media player requests the media server to transmit media files, and convert the media files to be transmitted in real time. Encoding into a certain media format supported by the media player and capable of real-time playback, the entire transcoding process is transparent to the user. [0003] At present, regarding the implementation of transcodi...

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Application Information

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IPC IPC(8): H04L29/06H04L12/28
Inventor 刘发贵邝耀宗
Owner SOUTH CHINA UNIV OF TECH
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