CN101436983B - Stream medium system and method capable of supporting abundant medium business - Google Patents
Stream medium system and method capable of supporting abundant medium business Download PDFInfo
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- CN101436983B CN101436983B CN2007101871546A CN200710187154A CN101436983B CN 101436983 B CN101436983 B CN 101436983B CN 2007101871546 A CN2007101871546 A CN 2007101871546A CN 200710187154 A CN200710187154 A CN 200710187154A CN 101436983 B CN101436983 B CN 101436983B
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Abstract
The invention discloses a streaming media system for supporting rich media service, which comprises a mobile terminal, a scene server and an application server. The mobile terminal is used for transforming a local scene according to a DOM event, requests the scene server to obtain a scene, carries out demultiplexing and decoding on received multiplexing stream, and maintains the scene; the scene server is used for generating a new scene or updating the scene according to the request of the mobile terminal, obtains correlative media data from the corresponding application server, and is used for multiplexing the obtained media data and the stored scene into the multiplexing stream and sending the multiplexing stream to the mobile terminal; and the application server is used for coding the corresponding media data according to the request of the scene server. The invention also discloses a method for supporting the rich media service. The system and the method do not need excessive sockets, can keep time synchronization among the media better, and greatly shorten waiting time of a user by using a mode of downloading and playing synchronously, and have strong real time.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of stream media system and method for supporting rich media service.
Background technology
Rich Media's (by dynamically can gathering alternately that multi-medium datas such as audio frequency, video, figure, text are formed) is in transmission on the internet and play no longer fresh with PC, but for the mobile network, because problems such as the low performance of high latency, low bandwidth and the terminal equipment of wireless network, screen resolution disunities, Rich Media also is not used widely.MPEG-4 BIFS (Binary Format for SceneDescription, the binary format of scene description) does not consider that owing to its content tissue and binary coding structure the characteristics of mobile system make it can not be applicable to portable terminal.Principal mode FLASH as Rich Media on the PC is obtaining great success on the internet, but because the factor of its patent aspect makes it can not obtain bigger commerce support, especially has been subjected to the restriction of technical elements especially on mobile platform.
In field of mobile communication, use SVG (Scalable Vector Graphic, scalable vector graphics) technology to realize rich media service usually, but there is following defective in the SVG technology when realizing rich media service at present:
(1) carries out every kind of mutual medium type at needing in the scene with the outside, need to set up independent link between portable terminal and each server, being subject to the available socket resource of portable terminal number can not be long with the time of setting up each media link, and complicated application scenarios can't be provided, limited further developing of rich media service;
(2) in the process of using rich media service, portable terminal is downloaded scene get off from server, interrupt then and being connected of server, represent after the parses scene, can be not again in whole process not obtaining from server and replace scene or new portion scene content more, is typical " download-and-play " pattern; The time that this pattern makes the user wait for is longer, and real-time is not strong.
Summary of the invention
The technical problem to be solved in the present invention is exactly to propose a kind of stream media system and method for supporting rich media service, each medium takies too much socket resource in the solution prior art business, simultaneously in order to reduce the problem of a large amount of delay of setting up too much transmission link and causing.
It is longer that another technical problem that the present invention solves solves the time that prior art uses " download-and-play " pattern to cause the user to wait for exactly, the problem that real-time is not strong.
In order to solve the problems of the technologies described above, the invention provides a kind of stream media system of supporting rich media service, comprise portable terminal, scene server, application server,
Wherein, described portable terminal is used for the incident according to DOM Document Object Model DOM, and local scene is carried out conversion, and to scene server acquisition request scene; The multiplex stream that receives from scene server is carried out demultiplexing, and scene flows and the Media Stream that demultiplexing is obtained decoded then, safeguards scene;
Described scene server is used for the request according to portable terminal, generates new scene or scene update, and obtains the related media data to the application corresponding server; The media data of acquisition and the scene of storage are multiplexed into multiplex stream, send to portable terminal;
Described application server is used for the request according to scene server, will send to scene server behind the corresponding media data encoding.
Further, described portable terminal comprises DOM event module, demultiplexing module, decoder module, scene maintenance module;
Wherein said DOM event module is used for according to the DOM incident to scene server acquisition request scene; Also be used for controlling local scene by the scene maintenance module and carry out correspondingly scene change according to the DOM incident;
Described demultiplexing module is used for the multiplex stream that receives from scene server is carried out demultiplexing, and scene flows and the Media Stream that demultiplexing obtains sent to decoder module;
Scene flows and Media Stream that described decoder module is used for demultiplexing is obtained are decoded respectively, send to the scene maintenance module;
The scene maintenance module of described portable terminal is used to safeguard scene, receives decoded scene flows and Media Stream, and scene is upgraded and shown.
Further, described DOM event module for new basic scene is downloaded in request, or is upgraded existing scene to scene server acquisition request scene.
Further, described scene server sends to portable terminal with multiplex stream by a scene transmission link.
Further, keep a scene transmission link between described portable terminal and scene server, described portable terminal is used for by basic scene of described scene transmission link initial download; When needs remote update scene, send the scene update order by described scene transmission link again and go the scene server of far-end to obtain replacement scene or scene update content.
In order to solve the problems of the technologies described above, the present invention also provides a kind of method of supporting rich media service, is applied to comprise the stream media system of portable terminal, scene server, application server, comprises the steps:
(1) portable terminal carries out conversion according to the DOM incident to local scene, to scene server acquisition request scene;
(2) scene server is carried out the generation or the renewal of scene, and obtains the related media data to the application corresponding server requests;
(3) application server is transferred to described scene server after the related media data are encoded;
(4) scene server is multiplexed into multiplex stream with the media data of acquisition and the scene of storage, is transferred to portable terminal;
(5) portable terminal carries out demultiplexing to the multiplex stream that receives from scene server, and scene flows and Media Stream that demultiplexing obtains are decoded, and scene is upgraded and shown.
Further, in the described step (1), described portable terminal for new basic scene is downloaded in request, or upgrades existing scene to scene server acquisition request scene.
Further, in the described step (4), described scene server sends to portable terminal with multiplex stream by a scene transmission link.
Further, in the described step (4), in multiplexing and transmission course, keep the time synchronized of each media data.
Further, keep a scene transmission link between described portable terminal and scene server, described portable terminal is by basic scene of described scene transmission link initial download; When needs remote update scene, send the scene update order by described scene transmission link again and go the scene server of far-end to obtain replacement scene or scene update content.
Among the present invention, portable terminal only needs to keep a scene transmission link with scene server, need not too much socket, and can be better between each medium the retention time synchronous; Use the mode of playing while downloading in addition, the time that makes the user wait for shortens greatly, and is real-time.
Description of drawings
Fig. 1 is the block diagram of system of the embodiment of the invention;
Fig. 2 is the flow chart of the embodiment of the invention;
Fig. 3 is the operating process schematic diagram of the embodiment of the invention.
Embodiment
Among the present invention, each medium takies too much socket resource in the business in order to solve, simultaneously in order to reduce a large amount of delay of setting up too much transmission link and causing and better between each medium, to carry out time synchronized, be responsible for removing to obtain media content by scene server to each application server, in a link, be transferred to portable terminal with each media content is multiplexing then, behind the mobile terminal side demultiplexing, represent to the user.
In addition, can between the scene server of portable terminal and far-end, keep a scene transmission link, basic scene of portable terminal initial download, when needs remote update scene, send the scene update order by this transmission link again and go the scene server of far-end to obtain replacement scene or scene update content.Like this, the scene server of far-end just can be delivered to the scene that changes on the portable terminal continuously and represent.
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, the embodiment of the invention supports the stream media system of rich media service to comprise: application server, scene server, portable terminal;
Wherein, described portable terminal is used for the incident according to various DOM (DOM Document Object Model), and local scene is carried out various conversion, and obtains message to scene server transmission scene, obtains scene or scene update from scene server; The multiplex stream that receives from scene server is carried out demultiplexing, and scene flows and the Media Stream that demultiplexing is obtained decoded then, safeguards scene;
Described scene server is used for the request according to portable terminal, generate new scene or scene update, and obtain the related media data to the application corresponding server, and it is the scene of these media datas and storage is together multiplexing, become multiplex stream, and multiplex stream is sent to portable terminal by a scene transmission link by certain host-host protocol (for example Transmission Control Protocol); Described media data can be the media content of consecutive hours base, the media content of base in the time of can being discrete also;
Described application server can be the server that types of applications is installed, and is used under the request of scene server generating relevant media data, for example audio/video flow, image, text message etc., and send to scene server, for scene server assembling use.
Described portable terminal comprises DOM event module, demultiplexing module, decoder module, scene maintenance module;
Wherein said DOM event module is used for carrying out remote interaction according to DOM incident and scene server, to scene server acquisition request scene; Also carry out local interaction, control local scene by the scene maintenance module and carry out correspondingly scene change according to the DOM incident;
Described demultiplexing module is used for the multiplex stream that receives from scene server is carried out demultiplexing, and scene flows and the Media Stream that demultiplexing obtains sent to decoder module;
Scene flows and Media Stream that described decoder module is used for demultiplexing is obtained are decoded respectively, send to the scene maintenance module;
The scene maintenance module of described portable terminal is used to safeguard scene, receives decoded scene flows and Media Stream, and scene is upgraded and shown.
As shown in Figures 2 and 3, the embodiment of the invention comprises the steps:
Wherein, DOM event module and scene server are carried out remote interaction, and the acquisition request scene is downloaded new basic scene for request, or upgrade existing scene;
Described DOM event module is also carried out local interaction according to the DOM incident, controls local scene during local interaction and carries out corresponding conversion;
Wherein, in the multiplexing and transmission course, need to keep the time synchronized of each media data;
In said process, keep a scene transmission link between portable terminal and the scene server all the time, described portable terminal is by basic scene of described scene transmission link initial download; When needs remote update scene, send the scene update order by described scene transmission link again and go the scene server of far-end to obtain replacement scene or scene update content.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation, and protection scope of the present invention is as the criterion with claim.
Claims (8)
1. a stream media system of supporting rich media service is characterized in that, comprises portable terminal, scene server, application server,
Wherein, described portable terminal is used for the incident according to DOM Document Object Model DOM, and local scene is carried out conversion, and to scene server acquisition request scene; The multiplex stream that receives from scene server is carried out demultiplexing, and scene flows and the Media Stream that demultiplexing is obtained decoded then, safeguards scene;
Described scene server is used for the request according to portable terminal, generates new scene or scene update, and obtains the related media data to the application corresponding server; The media data of acquisition and the scene of storage are multiplexed into multiplex stream, multiplex stream is sent to portable terminal by a scene transmission link;
Described application server is used for the request according to scene server, will send to scene server behind the corresponding media data encoding.
2. stream media system as claimed in claim 1 is characterized in that, described portable terminal comprises DOM event module, demultiplexing module, decoder module, scene maintenance module;
Wherein said DOM event module is used for according to the DOM incident to scene server acquisition request scene; Also be used for controlling local scene by the scene maintenance module and carry out correspondingly scene change according to the DOM incident;
Described demultiplexing module is used for the multiplex stream that receives from scene server is carried out demultiplexing, and scene flows and the Media Stream that demultiplexing obtains sent to decoder module;
Scene flows and Media Stream that described decoder module is used for demultiplexing is obtained are decoded respectively, send to the scene maintenance module;
The scene maintenance module of described portable terminal is used to safeguard scene, receives decoded scene flows and Media Stream, and scene is upgraded and shown.
3. stream media system as claimed in claim 2 is characterized in that, described DOM event module for new basic scene is downloaded in request, or is upgraded existing scene to scene server acquisition request scene.
4. stream media system as claimed in claim 1 is characterized in that, keeps a scene transmission link between described portable terminal and scene server, and described portable terminal is used for by basic scene of described scene transmission link initial download; When needs remote update scene, send the scene update order by described scene transmission link again and go the scene server of far-end to obtain replacement scene or scene update content.
5. method of supporting rich media service is applied to comprise comprise the steps: the stream media system of portable terminal, scene server, application server
(1) portable terminal carries out conversion according to the DOM incident to local scene, to scene server acquisition request scene;
(2) scene server is carried out the generation or the renewal of scene, and obtains the related media data to the application corresponding server requests;
(3) application server is transferred to described scene server after the related media data are encoded;
(4) scene server is multiplexed into multiplex stream with the media data of acquisition and the scene of storage, and multiplex stream is transferred to portable terminal by a scene transmission link;
(5) portable terminal carries out demultiplexing to the multiplex stream that receives from scene server, and scene flows and Media Stream that demultiplexing obtains are decoded, and scene is upgraded and shown.
6. method as claimed in claim 5 is characterized in that, in the described step (1), described portable terminal for new basic scene is downloaded in request, or upgrades existing scene to scene server acquisition request scene.
7. method as claimed in claim 5 is characterized in that, in the described step (4), in multiplexing and transmission course, keeps the time synchronized of each media data.
8. method as claimed in claim 5 is characterized in that, keeps a scene transmission link between described portable terminal and scene server, and described portable terminal is by basic scene of described scene transmission link initial download; When needs remote update scene, send the scene update order by described scene transmission link again and go the scene server of far-end to obtain replacement scene or scene update content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101871546A CN101436983B (en) | 2007-11-16 | 2007-11-16 | Stream medium system and method capable of supporting abundant medium business |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101871546A CN101436983B (en) | 2007-11-16 | 2007-11-16 | Stream medium system and method capable of supporting abundant medium business |
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| CN101436983A CN101436983A (en) | 2009-05-20 |
| CN101436983B true CN101436983B (en) | 2011-03-16 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1509104A (en) * | 2002-12-17 | 2004-06-30 | �ʼҷ����ֵ��ӹɷ�����˾ | Multi-media information service method and system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1509104A (en) * | 2002-12-17 | 2004-06-30 | �ʼҷ����ֵ��ӹɷ�����˾ | Multi-media information service method and system |
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