CN102006517A - Method for realizing time-shifted playing of set-top box based on session setup protocol (SSP) and lightweight stream control protocol (LSCP) - Google Patents
Method for realizing time-shifted playing of set-top box based on session setup protocol (SSP) and lightweight stream control protocol (LSCP) Download PDFInfo
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- CN102006517A CN102006517A CN 201010519703 CN201010519703A CN102006517A CN 102006517 A CN102006517 A CN 102006517A CN 201010519703 CN201010519703 CN 201010519703 CN 201010519703 A CN201010519703 A CN 201010519703A CN 102006517 A CN102006517 A CN 102006517A
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Abstract
The invention provides a method for realizing time-shifted playing of a set-top box based on a session setup protocol (SSP) and a lightweight stream control protocol (LSCP), which comprises the following steps: the set-top box acquires IP distributed by a broadcast television operating center when starting up, and acquires an association list of time-shifted programs; simultaneously, the interface of the set-top box enters an interactive page, judges whether live programs to be played have time-shifted live programs, waits for a user to select and enter on-demand operation, and connects with an on-demand server through a Socket port; packets based on SSP and LSCP are transmitted, video on-demand is turned on, and the on-demand program of the users is played, or the time-shifted live program with a review icon clicked by the user is played; and when the set-top box monitors that the user exits from the program or the playing of the program is completed, the set-top box transmits information for closing the channel to the head end of the broadcast television operating center, and the interface of the set-top box returns to the interactive page. The invention adopts middleware standard design, has small system occupation resource, can be applied to different embedded operating systems, and has strong transportability.
Description
[technical field]
The present invention relates to a kind of technical field of digital television set-top, relate in particular to a kind of method based on SSP and LSCP agreement realization set-top box time shifting broadcasting.
[background technology]
Digital Television is the product of digital information technological revolution, and the transition of simulation-to-digital technology is the fundamental change that radio and television take place in recent years, also is the inexorable trend of radio, TV and film industries development.Digital Television is as new things, and it can adapt to consumer demand under the network environment, all has the simulated color television incomparable advantage from aspects such as picture quality, transmission speed, product functions.In addition, also will bring huge opportunity to develop to related industry simultaneously by the Industrial Revolution that Digital Television caused, the guiding countries in the world are carried out digital television business one after another.Current, radio and television are gathered and edited, make, are stored into each link of program launch, transmission and reception from program and all developing to the digitlization direction, and field of broadcast televisions digital technology tide of revolution have swepts the globe.
In short several years, the transmission bandwidth of China CATV net (cable TV network) trunk develops into 750,000,000,1,000,000,000 from 300,000,000,459,000,000.From defeated develop into the neighbour and keep pouring in defeated every keeping pouring in, from transmit several covers, tens covers develop into and can transmit tens programs (cable TV network of 750,000,000 bandwidth can transmit 70 multiple programs, if employing digital compression technology, just can transmit the hundreds of programs), develop into popular in the world Hybrid Fiber Coaxial structure (HFC) today from simple coaxial cable transmission.The CATV net is considered to solve the best transmission media of information superhighway " last kilometer bottleneck ".
The development of digital technology makes any speech and data message to transmit, to exchange and to distribute by Unified coding.In recent years, country was for meeting the arrival of the integration of three networks, and a lot of areas are all in the digitlization of carrying out the broadcasting and TV bilateral network, broadband transformation, and analog signal is progressively closed, transmission medium more than needed, the sturdy basis of establishing for carrying out of interactive service.Existing digital cable customers mainly is the One-to-All Broadcast mode, can not with the front end interaction, the user can not be as the video tape recorder of operation with traditional, realize program broadcast, suspend, refund, F.F. and play when selecting etc., do not satisfy the demand of present household multifunctionalization.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of method based on SSP (resource session protocol) and LSCP agreement (lightweight video flowing control protocol) realization set-top box time shifting broadcasting, can realize having the interactive set-top box of DVB-C of program request and time-shifting function.
The present invention is achieved in that a kind of method based on SSP and LSCP agreement realization set-top box time shifting broadcasting, it is characterized in that: may further comprise the steps:
Step 10, set-top-box opening, the network card chip of initialization set-top box, communication protocol stack, and obtain the IP that the radio and television enterprise operation center distributes;
Do you step 20, judge whether normally to get access to described IP? be, filter channel then is set, filter NIT table (network information table), from table, find Descriptor Tag (description label) to be the value of 0x96, and obtain the area I D that the interactive service mandate needs, otherwise set-top box continues to obtain described IP;
Step 30, set-top box are visited the time shift server address of radio and television enterprise operation center front end by the internet, and obtain the contingency table of time shift program;
Do step 40, set-top box interface enter the interactive page, and judge the programme televised live that time shift is arranged in the programme televised live of preparing to play? be, then under the time shift programme televised live, show earlier and review icon, change step 50 again over to, directly do not change step 50 over to;
Step 50, in the operation of interactive page wait user by remote controller;
Step 60, when the user selects to enter the program request operation, set-top box is created the Socket port, and connects vod server by the Socket port;
Step 70, according to the SSP agreement, create the Describe message, acquisition point shifting parameter sowing time;
Step 80, shifting parameter during according to program request are opened video request program, play the program of user's program request or play the user and click and has the time shift programme televised live of reviewing icon;
Step 90, monitoring STB user operate, and send information every 20 seconds to radio and television enterprise operation center front end according to the LSCP agreement;
Step 100, when monitoring STB when the user will withdraw from program or playing programs and finishes, send the information of closing passage to radio and television enterprise operation center front end, set-top box interface returns the interactive page.
The present invention has following advantage: set-top-box opening obtains the IP that the radio and television enterprise operation center distributes, and obtains the contingency table of time shift program; And judge the programme televised live whether time shift is arranged in the programme televised live of preparing to play, and wait for that the user selects to enter the program request operation, play the program of user's program request or play the time shift programme televised live; When monitoring STB when the user will withdraw from program or playing programs and finishes, send the information of closing passage to radio and television enterprise operation center front end.The present invention adopts the middleware standard design, and it is little that system takies resource, can be applied in different embedded OSs, and is portable strong.
[description of drawings]
Fig. 1 is the inventive method schematic flow sheet.
[embodiment]
The present invention is further illustrated in conjunction with the embodiments below with reference to Fig. 1:
Method based on SSP and LSCP agreement realization set-top box time shifting broadcasting may further comprise the steps:
Step 10, set-top-box opening, the network card chip of initialization set-top box, communication protocol stack do not have connection when set-top box shows netting twine, and then set-top box interface directly enters direct broadcast band after start, whether normal, and obtain the IP that the radio and television enterprise operation center distributes if monitoring the netting twine connection simultaneously;
Do you step 20, judge whether normally to get access to described IP? be, filter channel then is set, filters the NIT table, finding Descriptor Tag from table is the value of 0x96, and obtain the area I D that the interactive service mandate needs, otherwise set-top box continues to obtain described IP;
Step 30, set-top box are visited the time shift server address of radio and television enterprise operation center front end by the internet, and obtain the contingency table (its contingency table is used to show programme televised live information) of time shift program;
Do step 40, set-top box interface enter the interactive page, and judge the programme televised live that time shift is arranged in the programme televised live of preparing to play? be, then under the time shift programme televised live, show and review icon, change step 50 again over to, directly do not change step 50 over to;
Step 50, in the operation of interactive page wait user by remote controller;
Step 60, when the user selects to enter the program request operation, set-top box is created the Socket port, and connects vod server by the Socket port;
Step 70, according to the SSP agreement, create the Describe message, acquisition point shifting parameter sowing time;
Step 80, shifting parameter during according to program request, open video request program, play the program of user's program request or play the user and click and has the time shift programme televised live of reviewing icon, the user can put and review icon, realize program broadcast, suspend, refund, F.F. and playing when selecting;
Step 90, monitoring STB user operate, and send information every 20 seconds to radio and television enterprise operation center front end according to the LSCP agreement;
Step 100, when monitoring STB when the user will withdraw from program or playing programs and finishes, send the information of closing passage to radio and television enterprise operation center front end, set-top box interface returns the interactive page, waits for user's operation next time.
In a word, the present invention adopts the middleware standard design, and it is little that system takies resource, can be applied in different embedded OSs, and is portable strong.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. realize it is characterized in that the method for set-top box time shifting broadcasting: may further comprise the steps based on SSP and LSCP agreement for one kind:
Step 10, set-top-box opening, the network card chip of initialization set-top box, communication protocol stack, and obtain the IP that the radio and television enterprise operation center distributes;
Do you step 20, judge whether normally to get access to described IP? be, filter channel then is set, filters the NIT table, finding Descriptor Tag from table is the value of 0x96, and obtain the area I D that the interactive service mandate needs, otherwise set-top box continues to obtain described IP;
Step 30, set-top box are visited the time shift server address of radio and television enterprise operation center front end by the internet, and obtain the contingency table of time shift program;
Do step 40, set-top box interface enter the interactive page, and judge the programme televised live that time shift is arranged in the programme televised live of preparing to play? be, then under the time shift programme televised live, show earlier and review icon, change step 50 again over to, directly do not change step 50 over to;
Step 50, in the operation of interactive page wait user by remote controller;
Step 60, when the user selects to enter the program request operation, set-top box is created the Socket port, and connects vod server by the Socket port;
Step 70, according to the SSP agreement, create the Describe message, acquisition point shifting parameter sowing time;
Step 80, shifting parameter during according to program request are opened video request program, play the program of user's program request or play the user and click and has the time shift programme televised live of reviewing icon;
Step 90, monitoring STB user operate, and send information every 20 seconds to radio and television enterprise operation center front end according to the LSCP agreement;
Step 100, when monitoring STB when the user will withdraw from program or playing programs and finishes, send the information of closing passage to radio and television enterprise operation center front end, set-top box interface returns the interactive page.
2. the method based on SSP and LSCP agreement realization set-top box time shifting broadcasting according to claim 1, it is characterized in that: work as set-top-box opening in the described step 10, show that netting twine does not have connection, then set-top box interface directly enters direct broadcast band after start, whether monitor netting twine simultaneously connects normal, if normal, obtain the IP that the radio and television enterprise operation center distributes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010519703 CN102006517A (en) | 2010-10-26 | 2010-10-26 | Method for realizing time-shifted playing of set-top box based on session setup protocol (SSP) and lightweight stream control protocol (LSCP) |
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| CN 201010519703 CN102006517A (en) | 2010-10-26 | 2010-10-26 | Method for realizing time-shifted playing of set-top box based on session setup protocol (SSP) and lightweight stream control protocol (LSCP) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104811804A (en) * | 2014-01-26 | 2015-07-29 | 四达时代通讯网络技术有限公司 | Video on-demand information acquisition method and system |
| CN105187919A (en) * | 2015-07-24 | 2015-12-23 | 青岛海信传媒网络技术有限公司 | Television program processing method and equipment |
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| CN1946052A (en) * | 2006-10-19 | 2007-04-11 | 北京四达时代软件技术有限公司 | One-way network video frequency video on demand portal system |
| CN101588474A (en) * | 2009-06-30 | 2009-11-25 | 北京互信通科技有限公司 | A kind of VOD method and system |
| CN101715105A (en) * | 2009-11-25 | 2010-05-26 | 福建新大陆通信科技有限公司 | Terminal control method of embedded VOD set-top box based on rtsp protocol |
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2010
- 2010-10-26 CN CN 201010519703 patent/CN102006517A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1946052A (en) * | 2006-10-19 | 2007-04-11 | 北京四达时代软件技术有限公司 | One-way network video frequency video on demand portal system |
| CN101588474A (en) * | 2009-06-30 | 2009-11-25 | 北京互信通科技有限公司 | A kind of VOD method and system |
| CN101715105A (en) * | 2009-11-25 | 2010-05-26 | 福建新大陆通信科技有限公司 | Terminal control method of embedded VOD set-top box based on rtsp protocol |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811804A (en) * | 2014-01-26 | 2015-07-29 | 四达时代通讯网络技术有限公司 | Video on-demand information acquisition method and system |
| CN104811804B (en) * | 2014-01-26 | 2018-07-03 | 北京四达时代软件技术股份有限公司 | Video on demand information acquisition method and system |
| CN105187919A (en) * | 2015-07-24 | 2015-12-23 | 青岛海信传媒网络技术有限公司 | Television program processing method and equipment |
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Application publication date: 20110406 |