CN102075795A - Method and system for releasing focus television programs - Google Patents
Method and system for releasing focus television programs Download PDFInfo
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- CN102075795A CN102075795A CN2010106091364A CN201010609136A CN102075795A CN 102075795 A CN102075795 A CN 102075795A CN 2010106091364 A CN2010106091364 A CN 2010106091364A CN 201010609136 A CN201010609136 A CN 201010609136A CN 102075795 A CN102075795 A CN 102075795A
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Abstract
The invention provides a method and a system for releasing focus television programs. The method comprises the following steps that: a user terminal sends a playing instruction of the specified focus television programs to a program list providing unit and receives an on-demand uniform resource locator (URL) address fed back by the program list providing unit, wherein the on-demand URL address comprises a time-shift video server (TVS) address and on-demand information, and the on-demand information comprises the channel information, start time and end time of the focus television programs, and the user terminal sends an on-demand request containing the on-demand information to a TVS corresponding to the TVS address; and the TVS performing addressing on a video program file corresponding to the channel information, and extracts corresponding video data from the video program file according to the start time and end time and pushes the video data to the user terminal for playing. By the scheme of the invention, the cost for releasing the focus television programs can be saved.
Description
Technical field
The present invention relates to the video media technology, relate in particular to the method and system of focus TV programme issue.
Background technology
Network side offers in the channel live TV programme of user terminal, comprises the time shift video frequency program; For the time shift video frequency program, current live time shift video frequency program video data can be stored in time shift video flowing server (TVS, Time-shift Vedio Server), afterwards, the time TVS order request that sends according to user terminal again, corresponding time shift video frequency program is offered user terminal; And, in the process of playing, can carry out operations such as playback, time-out.Fig. 1 shows and carries out TV programme playing system structural representation in the prior art, and this system comprises video code translator, TVS and user terminal;
Video code translator is used for all live time shift video TV program streams are carried out transcoding, sends to TVS.
TVS is used to store the video data that described video code translator sends, and the order request that sends according to user terminal offers user terminal with the television program video data of corresponding channel.Described order request comprises the channel of request, after TVS receives order request, extracts the video data of the corresponding channel of storage, sends to user terminal.
User terminal is used to receive the order request that the user imports, and sends to described TVS; Receive the video data that described TVS sends, and play.
In the process of playing video data, user terminal can also be as required to TVS transmit operation request, and described operation requests comprises playback, time-out etc.; TVS carries out respective handling to the current video data that offers user terminal after receiving operation requests, and for example, if operation requests is time-out, then TVS will stop to send video data stream to user terminal.
The existing distribution technology that carries out the focus TV programme is the situation of PC at user terminal usually, and its implementation is as follows: the focus TV programme is recorded, separately storage; Then, according to the request of user terminal, corresponding focus TV programme is offered PC.
There is following shortcoming in existing focus TV programme distribution scheme: independent memory device need be set, its cost height; And this scheme realizes based on PC, is not the focus TV programme distribution scheme of television set at user terminal also at present.
If can realize the issue of focus TV programme based on existing time shift Video-on-demand technology, then do not need independent memory device is set, and not only can provide the hot news program to PC, can also provide the hot news program to television set.
Summary of the invention
The invention provides a kind of method of focus TV programme issue, this method can be saved the realization cost.
The invention provides a kind of system of focus TV programme issue, this system can save the realization cost.
A kind of method of hot news video frequency program issue, this method comprises:
User terminal provides the unit to send the broadcast indication of appointment focus TV programme to programme, the program receiving list provides the program request uniform resource locator (URL of unit feedback, Uniform Resource Locator) address, described program request URL comprises TVS address and IP Information On Demand in the address, described IP Information On Demand comprises channel information, time started and the concluding time of focus TV programme, and user terminal sends the order request that comprises IP Information On Demand to the TVS corresponding with described TVS address;
The video frequency program file of the described channel information correspondence of TVS addressing extracts corresponding video data according to described time started and concluding time from described video frequency program file, be pushed to user terminal and play.
A kind of system of focus TV programme issue, this system comprises that TVS, programme provide unit and user terminal;
Described TVS is used to store and provide as required the video data of time shift channel;
Described programme provides the unit, be used for providing programme about the focus TV programme to user terminal, receive the broadcast indication of the appointment focus TV programme of user terminal transmission, to user terminal feedback program request URL address, described program request URL comprises TVS address and IP Information On Demand in the address, and described IP Information On Demand comprises channel information, time started and the concluding time of focus TV programme;
Described TVS, be used to receive the order request that comprises described IP Information On Demand, the video frequency program file of the described channel information correspondence of addressing extracts corresponding video data according to described time started and concluding time from described video frequency program file, be pushed to user terminal;
Described user terminal is used for providing the unit to send described broadcast indication to described programme, receives the described program request URL address that described programme provides the unit feedback; Send the order request that comprises described IP Information On Demand to TVS, receive the video data that TVS pushes, play.
From such scheme as can be seen, the present invention is based on the storage that existing TVS carries out focus television program video data, so that the focus TV programme to be provided to user terminal, and the memory device of storage focus TV programme need not be set separately, thereby provide cost savings.
Description of drawings
Fig. 1 carries out TV programme playing system structural representation in the prior art;
Fig. 2 is the system configuration schematic diagram of focus TV programme issue of the present invention;
Fig. 3 is the method flow diagram of focus TV programme issue of the present invention;
Fig. 4 is the method flow diagram example of focus TV programme issue of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
The present invention is based on the existing TVS that carries out in the TV programme playing system and carry out the storage of focus TV programme,, like this, the memory device of storage focus TV programme need not be set separately so that the focus TV programme to be provided to user terminal, thereby, provide cost savings.
Referring to Fig. 2, be the system configuration schematic diagram of focus TV programme issue of the present invention, this system comprises that TVS, programme provide unit and user terminal;
Described TVS is used to store and provide as required the video data of time shift channel;
Described programme provides the unit, be used for providing programme about the focus TV programme to user terminal, receive the broadcast indication of the appointment focus TV programme of user terminal transmission, to user terminal feedback program request URL address, described program request URL comprises TVS address and IP Information On Demand in the address, and described IP Information On Demand comprises channel information, time started and the concluding time of focus TV programme;
Described TVS, be used to receive the order request that comprises described IP Information On Demand, the video frequency program file of the described channel information correspondence of addressing extracts corresponding video data according to described time started and concluding time from described video frequency program file, be pushed to user terminal;
Described user terminal is used for providing the unit to send described broadcast indication to described programme, receives the described program request URL address that described programme provides the unit feedback; Send the order request that comprises described IP Information On Demand to TVS, receive the video data that TVS pushes, play.
Described focus TV programme comprises various types of focus TV programme, for example hot news program.
Like this, the present invention is based on video data stored among the TVS, just can provide the focus TV programme, thereby provide cost savings to user terminal.
Alternatively, described programme provides the unit to comprise content manager (CMS, Content Manager System) and electronic program guides door (EPG, Electronic Program Guide);
Described CMS, be used for determining the focus TV programme from the time shift video frequency program file of TVS storage, generate programme according to each focus TV program information, send to described EPG, described focus TV program information comprises channel information, time started, the concluding time of focus TV programme and stores the TVS address of corresponding focus TV programme;
Described EPG is used to receive the programme that described CMS sends, and sends user terminal to and shows, receives the broadcast indication of the appointment focus TV programme of user terminal transmission, to user terminal feedback program request URL address.
Be embedded with player among the CMS, CMS determines the focus TV programme and specifically comprises from the time shift video frequency program file of TVS storage: CMS is to the TV programme of TVS request playback specified channel, and TVS promotes the corresponding time shift video frequency program file of its storage mode with video flowing to play to CMS; The staff who browses broadcast program picks out the focus TV programme from the video frequency program of playing, each focus TV program information of record in CMS, and according to the programme of focus TV program information generation about the focus TV programme, described focus TV program information comprises channel information, time started, the concluding time of each focus TV programme and stores the TVS address of this focus TV programme; Alternatively, can also comprise the focus identifier of TV-set programm in the described focus TV program information.
EPG is responsible for providing focus TV programme index navigation Service, as, carry out the focus televison program sorting and classification focus TV program list is provided.User terminal shows the user with the programme about the focus TV programme that EPG sends, the user selects to carry out the focus TV programme of program request from programme, user terminal sends the broadcast indication of specifying the focus TV programme to EPG, described broadcast indication is used to the focus TV programme of indicating the user to select, and for example can be the label of focus TV programme in programme.
Alternatively, this system further comprises video code translator, be used for the time shift video channel is carried out transcoding, with the storage behind the transcoding in the memory space of TVS.Video code translator carries out transcoding to which channel, can send transcoding by content manager and indicate, and usually, CMS instruction video transcoder is carried out transcoding to all live channel time-shifting video flowings.
The scheme of focus TV programme issue of the present invention is applicable to various user terminals, is not only applicable to PC, mobile phone etc., also is applicable to television set.
The present invention also provides the method for focus TV programme issue, and its flow chart is shown in Figure 3, and it may further comprise the steps:
In advance, programme provides the unit to ask playback to TVS, picks out the focus TV programme, record focus TV program information, and according to focus TV program information generation programme, send to user terminal and show; Comprise channel information, time started, the concluding time of focus TV programme in the described focus TV program information and store the TVS address of corresponding focus TV programme.User's focus TV programme that selection need be carried out program request from the programme of showing, provide the unit to send the broadcast indication of appointment focus TV programme to programme, described broadcast indication is used to the focus TV programme of indicating the user to select, and for example can be the label of focus TV programme in programme.
Alternatively, also comprise each focus identifier of TV-set programm in the described focus TV program information, programme provides unit selection to go out after the focus TV programme, also corresponding focus identifier of TV-set programm buffer memory focus television program video data in the TVS internal memory.
If TVS in internal memory corresponding focus identifier of TV-set programm buffer memory focus television program video data, in above-mentioned Fig. 3 flow process, step 301 also comprises the focus identifier of TV-set programm in IP Information On Demand, correspondingly, step 302 is:
TVS extracts the focus television program video data corresponding with described focus identifier of TV-set programm earlier from internal memory, if TVS successfully extracts the focus television program video data corresponding with described focus identifier of TV-set programm of buffer memory, then the video data that proposes is pushed to user terminal and plays; If TVS does not successfully extract the focus television program video data corresponding with described focus identifier of TV-set programm of buffer memory, the video frequency program file of the described channel information correspondence of addressing then, from described video frequency program file, extract corresponding video data according to time started in the IP Information On Demand and concluding time, be pushed to user terminal and play.Because the program request frequency school height of focus television program video data stores focus television program video data separately in the internal memory, can accelerate program request speed.
Based on system shown in Figure 2, the method for focus TV programme of the present invention being issued by the flow process of Fig. 4 is elaborated below, and this method may further comprise the steps:
In the present embodiment, this transcoding instruction shows and need carry out transcoding to all time shift video channels.Particularly, CMS can by and video code translator between the corresponding interface notice video code translator on designated multicast address and port, receive the time shift video channel live TV stream of appointment, video code translator carries out real-time transcoding after receiving live TV stream, and gives TVS with the video flowing multicast behind the transcoding.Corresponding multicast address of time shift video channel and port.
Step 402, video code translator carries out transcoding to all time shift video channels, with the storage behind the transcoding in TVS.
Content manager sends the transcoding instruction to video code translator, after opening transcoding, to notify TVS to begin to receive and record each channel, and inform each channel program stream attribute, comprise that meeting describes agreement (SDP, Session describe protocol) information, terminal type and primary attributes such as video size and code stream.TVS receives stream according to these attributes and stores in the file of corresponding channel.
Particularly, the staff regularly imports the list of television programmes of each channel, and specifies the TV programme that needs demolition, the described TV programme that needs demolition, and the focus TV programme of appointment just is as the news hookup of CCTV1, Shenzhen news of Shenzhen satellite TV etc.Here be that news program describes with the focus TV programme, be provided with player among the CMS, the staff is by the hot news program of the player among the CMS from TVS request playback appointment, in the playing process, get each concrete hot news program ready fractionation, write down the TV program information of each hot news program, this TV program information comprises channel information, time started, the concluding time of each hot news program and the TVS address of storing this hot news program, and for each hot news program unique identification is set.Afterwards, CMS generates programme according to the TV program information of each hot news program.CMS is handed down to TVS by the corresponding interface with programme, and notifies TVS that hot news program video data are read out from the television program file of storage and carry out buffer memory, particularly, can be cached in the internal memory, writes down each hot news program identification in the buffer memory simultaneously.Further, TVS also clears up expired hot news program video data from internal memory.
Execution in step 401 just can be carried out the program request of focus TV programme according to the request of user terminal after 404.
The user selects the focus TV programme that need carry out program request from the programme that user terminal is showed, user terminal sends the broadcast indication of specifying the focus TV programme to EPG, and described broadcast indication is used to the focus TV programme of indicating the user to select.
Described program request URL comprises TVS address and IP Information On Demand in the address, and described IP Information On Demand comprises channel information, time started and the concluding time of focus TV programme.
The present invention is based on TVS and carry out the storage of video data, the focus TV programme is marked on time range, utilize the characteristics of time shift program request technology that the service of focus telecast demanding is provided, and need not store separately and distribute, thereby provide cost savings the focus TV programme; And the solution of the present invention is not only applicable to the situation that user terminal is PC, is applicable to that also user terminal is the situation of television set, mobile phone etc.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (8)
1. the method for focus TV programme issue is characterized in that this method comprises:
User terminal provides the unit to send the broadcast indication of appointment focus TV programme to programme, the program receiving list provides the program request uniform resource locator URL address of unit feedback, described program request URL comprises time shift video flowing server TVS address and IP Information On Demand in the address, described IP Information On Demand comprises channel information, time started and the concluding time of focus TV programme, and user terminal sends the order request that comprises IP Information On Demand to the TVS corresponding with described TVS address;
The video frequency program file of the described channel information correspondence of TVS addressing extracts corresponding video data according to described time started and concluding time from described video frequency program file, be pushed to user terminal and play.
2. the method for claim 1 is characterized in that, described user terminal is before the broadcast that programme provides the unit to send appointment focus TV programme is indicated, and this method comprises:
Programme provides the unit to ask playback to TVS, picks out the focus TV programme, record focus TV program information, and according to focus TV program information generation programme, send to user terminal and show; Comprise channel information, time started, the concluding time of focus TV programme in the described focus TV program information and store the TVS address of corresponding focus TV programme.
3. method as claimed in claim 2, it is characterized in that, also comprise each focus identifier of TV-set programm in the described focus TV program information, described programme provides unit selection to go out after the focus TV programme, and this method also comprises: corresponding focus identifier of TV-set programm buffer memory focus television program video data in TVS;
Described IP Information On Demand also comprises the focus identifier of TV-set programm, and before the video frequency program file of the described channel information correspondence of described TVS addressing, this method also comprises:
If TVS successfully extracts the focus television program video data corresponding with described focus identifier of TV-set programm of buffer memory, then the video data that proposes is pushed to user terminal and plays; If TVS does not successfully extract the focus television program video data corresponding with described focus identifier of TV-set programm of buffer memory, then carry out the step of the video frequency program file of the described channel information correspondence of described TVS addressing.
4. as claim 1,2 or 3 described methods, it is characterized in that described focus TV programme comprises the hot news program.
5. the system of a focus TV programme issue is characterized in that this system comprises that time shift video flowing server, programme provide unit and user terminal;
Described time shift video flowing server is used to store and provide as required the video data of time shift channel;
Described programme provides the unit, be used for providing programme about the focus TV programme to user terminal, receive the broadcast indication of the appointment focus TV programme of user terminal transmission, to user terminal feedback program request URL address, described program request URL comprises time shift video flowing server TVS address and IP Information On Demand in the address, and described IP Information On Demand comprises channel information, time started and the concluding time of focus TV programme;
Described TVS, be used to receive the order request that comprises described IP Information On Demand, the video frequency program file of the described channel information correspondence of addressing extracts corresponding video data according to described time started and concluding time from described video frequency program file, be pushed to user terminal;
Described user terminal is used for providing the unit to send described broadcast indication to described programme, receives the described program request URL address that described programme provides the unit feedback; Send the order request that comprises described IP Information On Demand to TVS, receive the video data that TVS pushes, play.
6. system as claimed in claim 5 is characterized in that, described programme provides the unit to comprise content manager CMS and electronic program guides door EPG;
Described CMS, be used for determining the focus TV programme from the time shift video frequency program file of TVS storage, generate programme according to each focus TV program information, send to described EPG, described focus TV program information comprises channel information, time started, the concluding time of focus TV programme and stores the TVS address of corresponding focus TV programme;
Described EPG is used to receive the programme that described CMS sends, and sends user terminal to and shows, receives the broadcast indication that user terminal sends, to user terminal feedback program request URL address.
7. as claim 5 or 6 described systems, it is characterized in that this system further comprises video code translator, be used for the time shift video channel is carried out transcoding, with the storage behind the transcoding in described time shift video flowing server.
8. as claim 5 or 6 described systems, it is characterized in that described user terminal is PC, television set or mobile phone.
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| WO2016061887A1 (en) * | 2014-10-24 | 2016-04-28 | 深圳国微技术有限公司 | Video conversion method and apparatus, playing system and terminal |
| CN108600778A (en) * | 2018-05-07 | 2018-09-28 | 广州酷狗计算机科技有限公司 | Media stream sending method and device |
| CN112601126A (en) * | 2020-11-24 | 2021-04-02 | 青岛海信宽带多媒体技术有限公司 | Method and device for reminding overdue reserved program |
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