CN101394540B - Stream distributing method for interactive network television system - Google Patents
Stream distributing method for interactive network television system Download PDFInfo
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- CN101394540B CN101394540B CN200710151653.XA CN200710151653A CN101394540B CN 101394540 B CN101394540 B CN 101394540B CN 200710151653 A CN200710151653 A CN 200710151653A CN 101394540 B CN101394540 B CN 101394540B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6175—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6338—Control signals issued by server directed to the network components or client directed to network
Abstract
The invention discloses a stream distribution method for an interactive network television system, the stream distribution method comprises the following steps: a content preparation function module carries out the stream distribution request to a content delivery control function module; the content delivery control function module receives the stream distribution request of the content preparation function module and then generates a distribution task according to the distribution strategy; the content delivery control function module responses the stream distribution request of the content preparation function module; and the content preparation function module distributes a stream to a content delivery and storage function module. The stream distribution method enhances the low cost, the reliability and the scalability of various parts of the interactive network television system and further upgrades the core competiveness of the IPTV system.
Description
Technical field
The present invention relates to interactive Web TV system, particularly, relate to the stream distribution technology of interactive Web TV system.
Background technology
Along with carrying out in a deep going way of interactive Web TV system (also claiming the IPTV system) technology; Use the increase of number of users; Systematic function and reliability are had higher requirement; The content delivery function of interactive network particularly, its internal module function responsibility distinct, with the function of other system be a very important research topic alternately.Thereby the major responsibility of clear and definite each function of trying one's best, reduce mutual between system's various piece and obtain better user experience and become extremely important, the terseness and the reliability of content distribution and operation flow are had higher requirement.
Because the IPTV technology also is in developing stage at present; International and domestic standard formulation work also is in the starting stage, and the IPTV product of each company is unintelligible to location of each sub-systems in the IPTV system (mainly comprising IPTV termination function, IPTV application function, content distribution function, management function etc.) and interface logic contextual definition each other.Realize under NGN framework, NGN IMS framework or the right and wrong NGN framework that interactive network TV service is the focus of each big normal structure research at present, does not also come to a conclusion at present if whether be based on.Such as under the IMS framework, how to support this complex video class of IPTV business to go back neither one solution preferably at present; Also have the IPTV the inside to have a very important content delivery function that is different from numerous business and since its to accomplish heap file that numerous service providers provide or live, the time advection content distribution and storage and to the Reasonable Orientation of the Video service at terminal, its function and and other functions consider that alternately the performance that how to improve interactive Web TV system also is a very important problem.
For this reason, how to design an efficient content delivery system, with accomplish based on the distribution of the content of file and stream, reduce each function as far as possible become a very important problem in the great number of issues that interactive Web TV system faces alternately.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, main purpose of the present invention is, a kind of stream distributing method that is used for interactive Web TV system is provided.
According to the stream distributing method that is used for interactive Web TV system of the present invention; Be used for the situation that content supplier has sent to content content preparatory function module; It may further comprise the steps: step S102, and content preparatory function module is carried out stream distribution request to the content delivery control function module; Step S104, the content delivery control function module produces distributed tasks according to distribution policy after receiving the stream distribution request of content preparatory function module; Step S106, the stream of content delivery control function module response contents preparatory function module sends request; And step S108, content preparatory function module is dealt into content delivery and memory function module with flow point.
In the step S102 of this method, content preparatory function module is before the content delivery control function module is carried out the stream distribution request, and content preparatory function module is accomplished the preparation that stream is sent to the content delivery control function module.Wherein, accomplish the preparation that stream is sent to the content delivery control function module at least one in may further comprise the steps in content preparatory function module: file content is carried out polymerization; File content is encoded; File content is carried out Content Management; And file content carried out encryption.
In addition, in the method, relaying is carried out in distribution policy convection current in real time request.
In addition, in the method, distribution policy can adopt static configuration to set up content preparatory function module between content delivery and memory function module and content delivery and memory function, the transparent channel of the stream between the frequency.
In addition, in the method, distribution policy can be launched the mode of dynamic distribution policy and carry out.Wherein, according to the service state of content delivery and memory function module, launch dynamic distribution policy mode and comprise information on load, it sends to stream on the load little content delivery and memory function module.
In addition, in the method, the content delivery control function module is asked to the stream transmission of content delivery and memory function module transmission content preparatory function after producing distributed tasks.Simultaneously, content delivery and memory function module are confirmed the stream request message to the content delivery control function module.
In addition, in the method, after step S108, the content delivery functional module in content delivery and the memory function module is accepted Media Stream.
Through above-mentioned aspect of the present invention, the stream distributing method clear process of interactive Web TV system provided by the invention is simple, the IPTV based on the IMS framework that can be simultaneously compatible present, based on the IPTV of NGN framework with based on the IPTV system of non-NGN framework.The responsibility of each sub-systems is very clear in the system, and this flow process extensibility is very good.The present invention has strengthened low cost property, reliability and the autgmentability of the various piece of interactive Web TV system, has promoted the core competitiveness of IPTV system.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to the stream distributing method that is used for interactive Web TV system of the embodiment of the invention; And
Fig. 2 shows the flow chart of the stream distribution of interactive Web TV system according to another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 shows the flow chart according to the stream distributing method that is used for interactive Web TV system of the embodiment of the invention.
As shown in Figure 1, may further comprise the steps: step S102, content preparatory function module is carried out stream distribution request to the content delivery control function module; Step S104, the content delivery control function module produces distributed tasks according to distribution policy after receiving the stream distribution request of content preparatory function module; Step S106, the stream of content delivery control function module response contents preparatory function module sends request; And step S108, content preparatory function module is dealt into content delivery and memory function module with flow point.
In the step S102 of this method, content preparatory function module is before the content delivery control function module is carried out the stream distribution request, and content preparatory function module is accomplished the preparation that stream is sent to the content delivery control function module.Wherein, accomplish the preparation that stream is sent to the content delivery control function module at least one in may further comprise the steps in content preparatory function module: file content is carried out polymerization; File content is encoded; File content is carried out Content Management; And file content carried out encryption.
In addition, in the method, relaying is carried out in distribution policy convection current in real time request.
In addition, in the method, distribution policy can adopt static configuration to set up content preparatory function module between content delivery and memory function module and the transparent channel of the stream between content delivery and the memory function module.
In addition, in the method, distribution policy can be launched the mode of dynamic distribution policy and carry out.Wherein, according to the service state of content delivery and memory function module, launch dynamic distribution policy mode and comprise information on load, it sends to stream on the load little content delivery and memory function module.
In addition, in the method, the content delivery control function module is asked to the stream transmission of content delivery and memory function module transmission content preparatory function after producing distributed tasks.Simultaneously, content delivery and memory function module are confirmed the stream request message to the content delivery control function module.
In addition, in the method, after step S108, the content delivery functional module in content delivery and the memory function module is accepted Media Stream.
Fig. 2 shows the flow chart of the stream distribution of interactive Web TV system according to another embodiment of the present invention.
As shown in Figure 2, it comprises following functional module:
Content preparatory function module (Content Preparation Functions): content (comprising the content that the third party system outside the IPTV system provides) that content supplier (Content Provider) is provided and metadata are carried out the module that content-aggregated (Content Aggregation), Content Management (Content Management), metadata are handled functions such as (Metadata Processing), content-encrypt.The content that this functional module can be used for converted contents provider and provide becomes the form that known needs send to the IPTV terminal.This functional module General Principle is following: at first the content that provides of content supplier is obtained by the content-aggregated function in the content preparatory function module.Metadata and authority information send to metadata processing capacity module, and content generally need utilize before content delivery (Content Delivery) functional module contents processing (Content Processing) and content-encrypt (Content Encryption) function to encode again and encrypt sending to.
Content delivery control function module (Content Delivery Control Functions): content distribution and content storage functions are controlled, optimized content distribution (contentdistribution), select and transmit content to the terminal use.Mainly comprise two major functions: distribution controlled function (Distribution Control Function) and position functions (LocationFunction).The distribution controlled function mainly is to optimize content distribution policy, the distributed intelligence of this function management content delivery and memory function module.Position functions are used to discern content delivery and memory function module is paid the optimum position information of content to media client.Its selecting scale mainly comprises load condition, the end message (for example information such as the position at terminal and ability) of distributed intelligence and content delivery and memory function.
Content delivery and memory function module (Content Delivery&StorageFunctions): accomplish distribution, buffer memory and memory contents and send to terminal use's function.This functional module can be handled the medium control messages, for example: time-out, F.F., with the Media Stream of control IPTV system.This functional module mainly comprises pays function (clean culture and multicast delivery method), buffer memory and memory function and distribution function.Paying function mainly is that the content stream that will pay sends to media client.Also can provide from the file of media client and download and the upload file function.Buffer memory and memory function mainly are responsible for buffer memory time shift live TV stream and storage flow.Distribution function mainly is responsible for distribution live TV stream and storage flow between the payment of content delivery and memory function inside and memory function, also can accept the content of content preparatory function.
As shown in Figure 2, the stream distribution flow process specifically may further comprise the steps:
The prerequisite of this step is: content supplier will flow (generally referring to live TV stream) and send to content preparatory function module.
Content-aggregated, content encoding, Content Management and the encryptions etc. that step 202, content preparatory function module are accomplished live TV stream send to the preparation before the content delivery control function module.
Step 204, content preparatory function module is carried out the request of distribution flow to the content delivery control function module.
Step 206; The content delivery control function module produces distributed tasks according to distribution policy after receiving the stream distribution request of content preparatory function module; Relaying is carried out in the request of convection current in real time; It can adopt static mode distribution live TV stream, sets up content preparatory function module through static configuration and arrives between content delivery and memory function module and the transparent channel of the stream between content delivery and the memory function module.Also can launch the mode of dynamic distribution policy and carry out, according to the service state of content delivery and memory function module, that is, information on load sends to stream on the load little content delivery and memory function module.
Step 208. content delivery control function module is transmitted the stream transmission request of content preparatory function to content delivery and memory function module.
Step 210, content delivery and memory function module returned content are paid control function module stream distribution acknowledge message.
Step 212, the message that is transmitted to stream that the content delivery control function module is obtained content delivery and memory function module sends to content preparatory function module.
Step 214, content preparatory function module is distributed to content delivery and memory function module according to the live TV stream relaying strategy of appointment with live TV stream according to the message of returning.
Step 216, the content delivery function in content delivery and the memory function module is accepted Media Stream as relaying, and the user can ask this Media Stream.
In sum, simple through the stream distributing method clear process of interactive Web TV system provided by the invention, IPTV that can be simultaneously compatible present, based on the IPTV of NGN framework with based on the IPTV system of non-NGN framework based on the IMS framework.The responsibility of each sub-systems is very clear in the system, and this flow process extensibility is very good.The present invention has strengthened low cost property, reliability and the autgmentability of the various piece of interactive Web TV system, has promoted the core competitiveness of IPTV system.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a stream distributing method that is used for interactive Web TV system is used for the situation that content supplier has sent to content content preparatory function module, it is characterized in that its method may further comprise the steps:
Step S102, content preparatory function module is carried out stream distribution request to the content delivery control function module;
Step S104, said content delivery control function module produces distributed tasks according to distribution policy after receiving the stream distribution request of said content preparatory function module, and wherein, said distribution policy can carry out relaying to said stream request in real time;
Step S106, the said stream that said content delivery control function module responds said content preparatory function module sends request; And
Step S108, said content preparatory function module is dealt into content delivery and memory function module with said flow point.
2. method according to claim 1; It is characterized in that; In said step S102; Said content preparatory function module is before said content delivery control function module is carried out said stream distribution request, and said content preparatory function module is accomplished the preparation that said stream is sent to said content delivery control function module.
3. method according to claim 2 is characterized in that, at least one item in the preparation that said content preparatory function module completion sends to said stream said content delivery control function module may further comprise the steps:
File content is carried out polymerization;
Said file content is encoded;
Said file content is carried out Content Management; And
Said file content is carried out encryption.
4. according to each described method in the claim 1 to 3; It is characterized in that; Said distribution policy can adopt static mode to carry out said stream distribution, sets up said content preparatory function module through static configuration and arrives between said content delivery and memory function module and the transparent channel of the stream between content delivery and the memory function module.
5. according to each described method in the claim 1 to 3, it is characterized in that said distribution policy is launched the mode of dynamic distribution policy and carried out.
6. method according to claim 5; It is characterized in that; According to the service state of said content delivery and memory function module, saidly to launch dynamic distribution policy mode and comprise information on load, it sends to said stream on the load little content delivery and memory function module.
7. according to each described method in the claim 1 to 3, it is characterized in that said content delivery control function module is asked to the stream transmission of said content delivery and memory function module transmission content preparatory function after producing said distributed tasks.
8. method according to claim 7 is characterized in that, said content delivery and memory function module are confirmed said stream request message to said content delivery control function module.
9. according to each described method in the claim 1 to 3, it is characterized in that after said step S108, the content delivery functional module in said content delivery and the memory function module is accepted Media Stream.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710151653.XA CN101394540B (en) | 2007-09-21 | 2007-09-21 | Stream distributing method for interactive network television system |
| PCT/CN2007/003617 WO2009036626A1 (en) | 2007-09-21 | 2007-12-14 | A streams distribution method for use in iptv system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710151653.XA CN101394540B (en) | 2007-09-21 | 2007-09-21 | Stream distributing method for interactive network television system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101394540A CN101394540A (en) | 2009-03-25 |
| CN101394540B true CN101394540B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710151653.XA Expired - Fee Related CN101394540B (en) | 2007-09-21 | 2007-09-21 | Stream distributing method for interactive network television system |
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| Country | Link |
|---|---|
| CN (1) | CN101394540B (en) |
| WO (1) | WO2009036626A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741665B (en) * | 2009-12-24 | 2015-05-20 | 中兴通讯股份有限公司 | Method, device and system for notifying service processing result information |
| CN114205655B (en) * | 2021-12-09 | 2023-10-13 | 中国电影科学技术研究所 | Digital cinema copy distribution method and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391178C (en) * | 2003-08-19 | 2008-05-28 | 华为技术有限公司 | Method for selecting server in network |
| CN100490524C (en) * | 2005-08-11 | 2009-05-20 | 华为技术有限公司 | System for implementing mobile terminal TV service and program transmitting and watching method |
| CN101026615B (en) * | 2006-02-18 | 2011-09-14 | 华为技术有限公司 | IMS-based flow media network system |
-
2007
- 2007-09-21 CN CN200710151653.XA patent/CN101394540B/en not_active Expired - Fee Related
- 2007-12-14 WO PCT/CN2007/003617 patent/WO2009036626A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| CN101394540A (en) | 2009-03-25 |
| WO2009036626A1 (en) | 2009-03-26 |
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