CN101072324B - Multicast recording method, system and service control device and server - Google Patents
Multicast recording method, system and service control device and server Download PDFInfo
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Abstract
The method includes steps: the sever for recording order programme (SROP) records living broadcast programme provided by multicast source in real time; service control device (SCD) receives request for recording programme, as well as the request includes parameters of recording programme requested, and parameters also include coincidence relation between request of recording programme and living broadcast programme; SCD determines whether living broadcast programmes recorded by SROP in real time contains the programme corresponding to the request of recording programme; if yes, SCD records parameters in request of recording programme directly. The invention also discloses a system of recording multicast, SCD and server. Through recording parameters in request of recording programme directly, the instance of the invention does not need to record programme repeatedly so as to save network resources, raise efficiency of network storage resources, and enhance processing power of network system.
Description
Technical field
The present invention relates to network media treatment technology, relate in particular to a kind of multicast recording method, system and business control device and server.
Background technology
Along with development of science and technology, increasing Web TV (Internet Protocol Television orInteractive Personal Television, IPTV) and Digital Television (Digital Television DTV) moves towards the user.Simultaneously, ((Network Personal Video Recorder, NPVR) business is achieved network personal video recording for Set-top Box, appearance STB) along with set-top box.
Traditional NPVR business is to open up a memory space for each user recording on the vod server, user side is initiated a video record request, then, on the video playback server, duplicate the video that a request is recorded, and be transferred on the video record server of network side.During broadcast, receive user's video playback request by the receiving system of a user side, and, play the video content that has been recorded on the video record server according to described video playback request.
In realizing process of the present invention, the inventor finds in above-mentioned traditional NPVR business, at least there are the following problems: the video record server needs a large amount of memory devices to store a large amount of video record contents, causes the network side storing resource too much, causes the waste of resource.For example: for a video file of encoding according to coded system H.264, if the single-definition picture, the video data of per second is approximately 2Mb.In unloading, need to store in the lump with the transmission flow data.Therefore, for 1 second video pictures, head end need provide 2M * (1+15%) capacity of bit.For a length of a film is 1 hour film or program, and the storage total capacity that need provide is (2.3Mbps * 3600s)/8=1.03GB.Like this, when a film was recorded by 10 users, the storage demand of server end was 1.03GB * 10=10.3GB.If it is a plurality of that the kind of this store video files has, the wasting of resources of server end is bigger, and for whole multicast record network, waste of network resources is very serious.
Summary of the invention
In view of this, be necessary to provide a kind of multicast recording method, with the problem that solves multicast record network resources waste.
A kind of multicast recording method, this method comprises the steps:
Record the programme televised live that vod server real-time recording multicast source provides, the mode of recording comprises once sending forever to be recorded;
Business control device program receiving recording request comprises the parameter of asking program recording in the described performance recording request, comprises the corresponding relation of described performance recording request and described programme televised live in the described parameter;
Described business control device is judged the program that whether comprises described performance recording request correspondence in the described programme televised live of recording the vod server real-time recording; And
If record, described business control device directly writes down the parameter in the described performance recording request.
A kind of multicast recording method, this method comprises the steps:
Business control device program receiving recording request comprises the parameter of asking program recording in the described performance recording request, comprises the corresponding relation of described performance recording request and programme televised live in the described parameter;
Business control device judges whether that other users have recorded the request program recording that described performance recording request comprises; And
If there are other users to record the request program recording that described performance recording request comprises, business control device directly writes down the parameter in the described performance recording request.
Simultaneously, provide a kind of multicast register system, this system comprises:
Record vod server, be used to record the programme televised live that multicast source provides, the mode of recording comprises once sending forever to be recorded; And
Business control device is used for receiving and the recorded program recording request, comprises the parameter of asking program recording in the described performance recording request, comprises the corresponding relation of described performance recording request and described programme televised live in the described parameter.
Simultaneously, provide a kind of business control device, this device comprises:
Program operation receiving element, be used for based on recording the programme televised live that vod server real-time recording multicast source provides, the mode of wherein recording comprises once sending forever to be recorded, the program receiving recording request, comprise the parameter of asking program recording in the described performance recording request, comprise the corresponding relation of described performance recording request and described programme televised live in the described parameter; And
Memory cell is used for writing down the parameter of described program operation requests.
In addition, also provide a kind of server, this server comprises:
The programme generation unit is used to generate the programme televised live list; Programme issues the unit, and being used for provides programme to the user; Operation TU Trunk Unit, be used for the program receiving recording request, described performance recording request is based on recording the programme televised live that vod server real-time recording multicast source provides, the mode of wherein recording comprises once sending forever to be recorded, comprise the parameter of asking program recording in the described performance recording request, comprise the corresponding relation of described performance recording request and described programme televised live in the described parameter; And the operation requests transmitting element is used to transmit described performance recording request.
The embodiment of the invention is by directly writing down the parameter in the described performance recording request, do not need the repetition program recording, Internet resources have been saved, avoid same program in network, to repeat the situation of repeatedly duplicating, for whole multicast network system, the efficient of network storage resource is improved, and makes the media network system processing power be enhanced.
Description of drawings
Fig. 1 is the embodiment of the invention one a multicast register system structural representation.
Fig. 2 is the embodiment of the invention two multicast register system structural representations.
Fig. 3 is the embodiment of the invention three multicast register system structural representations.
Fig. 4 is the embodiment of the invention four multicast register system structural representations.
Fig. 5 is the embodiment of the invention five multicast register system structural representations.
Fig. 6 is the embodiment of the invention six multicast register system structural representations.
Fig. 7 is an embodiment of the invention business control device block diagram.
Fig. 8 is an embodiment of the invention EPG/WEB server architecture block diagram.
Fig. 9 is the embodiment of the invention seven multicast recording method flow processs.
Figure 10 is the embodiment of the invention eight multicast recording method flow processs.
Embodiment
Please referring to Fig. 1, the embodiment of the invention provides multicast register system 100, wherein: business control device 200, be used to receive EPG (Electronic Program Guide, Electronic Program Guide)/ performance recording request that WEB server 300 is transmitted from set-top box 106, and give according to this request and to record vod server 102 and send record commands, record vod server 102 video frequency program that provides by multicast source 104 is provided according to this record command.
EPG/WEB server 300 is used to set-top box 106 that programme is provided, and comprising: programme televised live list and recorded program lists.
Record vod server 102 recorded video programs and can be real-time recording, the instruction of the control device 200 of also can accepting business is recorded.
Set-top box 106 is also replaceable to be PC (PC, Personal Computer), notebook computer (NB, Notebook Computer), personal digital assistant (PDA, Personal DigitalAssistant), mobile phone (HS, Handset) and intelligent CD-ROM device (IODD, Intelligent OpticalDisk Drive) terminal equipment such as is an example with set-top box STB in the present embodiment.
Please in conjunction with referring to Fig. 2, the performance recording request also can directly send to business control device 200 by set-top box 106.Please in conjunction with referring to Fig. 3, business control device 200, EPG/WEB server 300 can be implemented based on the same control subsystem 100 of recording.Please in conjunction with referring to Fig. 4, business control device 200, EPG/WEB server 300 and record vod server 102 and also can record subsystem 112 and implement based on same multicast.Please referring to Fig. 5, business control device 200 and record vod server 102 and also can implement based on the same subsystem 114 of recording, please in conjunction with referring to Fig. 6, it is also mutual by EPG/WEB server 300 and set-top box 106 to record subsystem 114 among Fig. 5.The programme televised live that multicast source 104 provides comprises: video frequency program, audio program or static multimedia programming are example with the video frequency program in the present embodiment.Above-mentioned EPG server also can replace with the WEB server, is example with the EPG/WEB server in the present embodiment.Multicast register system 100 also can be handled program browsing request and program removal request, and above-mentioned is example with the performance recording request, below repeats no more.
Please in conjunction with referring to Fig. 7, business control device 200 comprises: start-up control unit 202, operation receiving element 204, judging unit 206, information indicating unit 230, detection module 210, deletion control module 220 and memory cell 234.
Wherein, start-up control unit 202 is used for indicating its startup to record to recording vod server 102 transmission enabling signals, and start-up control unit 202 can send enabling signals according to set-top box 106 requests, also can adopt timing mode to send enabling signal.
Please in conjunction with referring to Fig. 8, EPG/WEB server 300 comprises: programme generation unit 302, programme issue unit 304, programme tabulation acquiring unit 306, operation TU Trunk Unit 308 and operation requests transmitting element 310.
The rendition list acquiring unit 306 is used to obtain user's recorded program tabulation.
Operation TU Trunk Unit 308 is used to receive user's program operation requests.
Operation requests transmitting element 310 is used for the program operation requests with 308 receptions of operation TU Trunk Unit, sends to operation receiving element 204.
The embodiment of the invention is by the parameter in the business control device 200 direct recorded program recording request, do not need the repetition program recording, Internet resources have been saved, avoid same program in network, to repeat the situation of repeatedly duplicating, for whole multicast network system, the efficient of network storage resource is improved, and makes the media network system processing power be enhanced.By the startup that vod server 300 is recorded in 202 controls of start-up control unit, avoided artificial Control Server to start the situation that causes the waste of manpower resource.Authority by authority detecting unit 212 detection user's media files operation requests prevents that the user from deleting other users' recorded information.Whether record by recording detecting unit 214 detection media files, prevented to have improved operational efficiency recording the situation that vod server 102 frequent operations cause the server resource anxiety.Whether have other users record the program of current request operation, reduced the waste of the memory space of recording vod server 102 if recording detecting unit 216 detections by the user, improved storage efficiency.Send information by Tip element 230 to the user, make clear state and the reason of understanding current request of user.
Above-mentioned EPG/WEB server 300 receives user's program operation requests by operation TU Trunk Unit 308, operation requests transmitting element 310 is transmitted the program operation requests, make the user not need other connection line just request can be sent to business control device 200, save network layout, and can realize business control device 200 and user interactions.
Please in conjunction with referring to Fig. 9, the present invention's one better embodiment multicast recording method comprises the steps:
Step 402, business control device 200 is recorded enabling signal to recording vod server 102 transmissions.Transmission is recorded enabling signal and can be sent by start-up control unit 202, or adopts timing mode to start, recording 102 of vod servers and can omit this step for real-time recording.In recording flow process, recoding service control device 200 needs and can send and record enabled instruction to recording vod server, and the instruction of transmission need comprise by the channel multicast ip address of program recording and multicast port number.Instruction can have two kinds of send modes:
1) once sends permanent the startup.The recoding service control system when starting recoding service, to record/vod server sends once, do not receiving before other instruct, record/vod server records the video data of multicast all the time according to instruction.
2) send according to programme.Recoding service control device 200 is when starting recoding service, to record/vod server sends by the channel multicast ip address and the port numbers of program recording, also send simultaneously record program information (program beginning and ending time), when the program of this time transmission all finished record after, record/vod server stops to record automatically, waits for next record command.
Step 404 is recorded the programme televised live that vod server 102 real-time recording multicast sources 104 provide.In this step, can record behind the program mode of recorded program offset information and come recorded program, perhaps adopt the combination of above-mentioned dual mode making a plurality of files according to section directory, also can adopting.In the present embodiment, the real-time recording programme televised live does not need the user to ask promptly to begin to record, when the user asks like this, and only recording user request, the situation of avoiding repeating to record takes place.
Step 406, EPG/WEB server 300 generates the programme televised live list.There is relation one to one in the programme televised live that programme televised live list and multicast source 104 provide.The performance recording request can be recorded based on the request of programme televised live list.
Step 408, EPG/WEB server 300 issues the programme televised live list to set-top box 106.Issuing the programme televised live list can issue unit 304 by programme and finish.Obviously, above-mentioned steps 406 and step 408 and step 402 and step 404 can not have sequencing, can first execution in step 406 and step 408 back execution in step 402 and step 404.
Step 410, EPG/WEB server 300 receives user's performance recording request.Comprise the parameter of asking program recording in the performance recording request, comprise the corresponding relation of performance recording request and programme televised live in the parameter.The performance recording request based on above-mentioned programme televised live list request record.In the present embodiment, receiving and transmit user's request with EPG/WEB server 300 is example, and the user also can directly send to business control device 200 with the performance recording request without EPG/WEB server 300.Below repeat no more.
Step 412, EPG/WEB server 300 is transmitted the performance recording request.
Step 414, business control device 200 receives the performance recording request of transmitting.
Step 416, business control device 200 are judged and are recorded vod server 102 whether whether recorded the program and the recorded program of performance recording request correspondence complete.This judgement can be judged by the request mode, also can be regularly and judges, when program finishes, carries out the step of judging.If complete this program of recording, execution in step 420; Otherwise, execution in step 418.
Step 418, business control device 200 send to set-top box 106 and record the information of failure, execute this step, finish this flow process.
Step 420, the parameter in the business control device 200 direct recorded program recording request.
Step 422, business control device 200 sends the prompt for successful information of recording to set-top box 106.
Step 424, EPG/WEB server 300 receives users to the browse request of program recording, comprise user ID in this browse request, also can comprise the user and need browsed content, for example:, then do not need all recorded contents are all offered the user if the user only browses the content of recording some day.
Parameter in the performance recording request that step 426, EPG/WEB server 300 have write down according to business control device 200 generates the rendition list of program recording.
Step 428, EPG/WEB server 300 issues the rendition list of program recording to STB.
Step 430, EPG/WEB server 300 receive users to the removal request of recording medium file.Comprise the programme information of user ID, channel identication, needs deletion and programme information etc. in the removal request.
Step 432, EPG/WEB server 300 is transmitted the program removal request.
Step 434, business control device 200 receives the program removal request of transmitting.
Step 436, business control device 200 judge whether the user has the program of authority removal request deletion.If authority, execution in step 440 are arranged; If lack of competence, execution in step 438.
Step 438, business control device 200 prompting user lack of competence deletions.
Step 440, business control device 200 judge whether the user has recorded the program of request deletion.If record execution in step 444; If do not record execution in step 442.
Step 442, business control device 200 prompting users do not record this program.
Step 444, business control device 200 judge whether to exist the parameter of other users performance recording request corresponding with the program of described request deletion.If there is execution in step 446; Otherwise, execution in step 448.
Step 446, business control device 200 sends the program delete instruction to recording vod server 102, records the program of vod server 102 according to the deletion of delete instruction removal request.
Step 448, the parameter in the business control device 200 deletion memory cell 234 in the performance recording request of corresponding record.
Please in conjunction with referring to Figure 10, another embodiment of the present invention multicast recording method comprises the steps:
Step 502, business control device 200 program receiving recording request comprise the parameter of asking program recording in the performance recording request, comprise the corresponding relation of performance recording request and programme televised live in the parameter.
Step 504, business control device 200 judge whether that other users have recorded the program of performance recording request correspondence.If the request program recording that has other user's program recording recording request to comprise, execution in step 506; If there is not the request program recording that other user's program recording recording request comprise.Execution in step 508.
Step 506, the parameter in the business control device 200 direct recorded program recording request.
Step 508, record vod server 102 according to performance recording request record the programme televised live that multicast source 104 provides.
It is identical that program browsing among the deletion of program browsing in the present embodiment two and program and the embodiment one and program are deleted, and repeats no more.
The embodiment of the invention is by the parameter in the direct recorded program recording request, do not need the repetition program recording, Internet resources have been saved, avoid same program in network, to repeat the situation of repeatedly duplicating, for whole multicast network system, the efficient of network storage resource is improved, and makes the media network system processing power be enhanced.By the startup that vod server 300 is recorded in control, avoided artificial Control Server to start the situation that causes the waste of manpower resource.By detecting the authority of user's media files operation requests, prevent that the user from deleting other users' recorded information.Whether record by detecting media file, prevented to have improved operational efficiency recording the situation that vod server 102 frequent operations cause the server resource anxiety.Whether there are other users to record the program of current request operation by user's detection, reduced the waste of the memory space of recording vod server 102, improved storage efficiency.By sending information, make the user know state and the reason of understanding current request to the user.By receiving user's program operation requests, transmit the program operation requests, make the user not need other connection line just request can be sent to business control device 200, save network layout, and can realize business control device 200 and user interactions.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (22)
1. a multicast recording method is characterized in that, this method comprises the steps:
Record the programme televised live that vod server real-time recording multicast source provides, the mode of recording comprises once sending forever to be recorded;
Business control device program receiving recording request comprises the parameter of asking program recording in the described performance recording request, comprises the corresponding relation of described performance recording request and described programme televised live in the described parameter;
Described business control device directly writes down the parameter in the described performance recording request.
2. multicast recording method as claimed in claim 1, it is characterized in that, described multicast recording method judges whether comprise the program of described performance recording request correspondence in the described programme televised live of recording the vod server real-time recording and whether completely record after described business control device program receiving recording request;
If comprise corresponding program and complete recording, carry out the step that described business control device directly writes down the parameter in the described performance recording request.
3. multicast recording method as claimed in claim 2 is characterized in that, this method also comprises step:
Electronic Program Guide EPG/WEB server generates the programme televised live list, and described programme televised live list comprises the rendition list that described multicast source provides; And
The EPG/WEB server issues described programme televised live list, described performance recording request based on described programme televised live list request record.
4. multicast recording method as claimed in claim 1 is characterized in that, this method also comprises step:
Business control device receives the user to the browse request of program recording, comprises user ID in the described browse request;
The EPG/WEB server generates the rendition list of program recording according to the parameter in the described performance recording request of having write down;
The EPG/WEB server issues the rendition list of described program recording.
5. multicast recording method as claimed in claim 1 is characterized in that this method also comprises the steps:
Business control device receives the user to the removal request of program recording, comprises programme information and programme information that user ID, channel identication, needs are deleted in the described removal request;
Business control device judges whether the user has the program of authority removal request deletion;
As if the user authority deletion is arranged, then the parameter in the described performance recording request of the described record of business control device deletion correspondence.
6. multicast recording method as claimed in claim 5 is characterized in that this method also comprises the steps:
Business control device judges whether the user has recorded the program of request deletion;
If the user has recorded the program of request deletion, and the authority deletion is arranged, then business control device is deleted the parameter in the corresponding described direct-recording described performance recording request.
7. multicast recording method as claimed in claim 6 is characterized in that, this method also comprises step:
Business control device judges whether to exist the corresponding performance recording request of program of other users and described request deletion;
As if there being other users to record this program, the user has recorded the program of request deletion, and the authority deletion is arranged, then the parameter in the described performance recording request of the described record of business control device deletion correspondence.
8. multicast recording method as claimed in claim 7 is characterized in that, this method also comprises step:
Do not record this program if there are other users, recorded the program of vod server removal request deletion.
9. a multicast recording method is characterized in that, this method comprises the steps:
Business control device program receiving recording request comprises the parameter of asking program recording in the described performance recording request, comprises the corresponding relation of described performance recording request and programme televised live in the described parameter;
Business control device judges whether that other users have recorded the program of described performance recording request correspondence;
If there are other users to record the request program recording that described performance recording request comprises, business control device directly writes down the parameter in the described performance recording request.
10. a multicast register system is characterized in that, this system comprises:
Record vod server, be used to record the programme televised live that multicast source provides, the mode of recording comprises once sending forever to be recorded;
Business control device is used for receiving and the recorded program recording request, comprises the parameter of asking program recording in the described performance recording request, comprises the corresponding relation of described performance recording request and described programme televised live in the described parameter.
11. multicast register system as claimed in claim 10 is characterized in that, this system also comprises: the EPG/WEB server is used for generating and issues the recorded program lists of programme/.
12. a business control device is characterized in that, this device comprises:
Program operation receiving element, be used for based on recording the programme televised live that vod server real-time recording multicast source provides, the mode of wherein recording comprises once sending forever to be recorded, the program receiving recording request, comprise the parameter of asking program recording in the described performance recording request, comprise the corresponding relation of described performance recording request and described programme televised live in the described parameter;
Memory cell is used for writing down the parameter of described program operation requests.
13. business control device as claimed in claim 12, it is characterized in that, described business control device also comprises: the start-up control unit, be used for providing one to record enabling signal to recording vod server, and the described enabling signal of recording is used to indicate the described vod server of recording to start.
14. business control device as claimed in claim 12 is characterized in that, described business control device also comprises: detection module is used to detect described program operation requests and whether satisfies the request requirement.
15. business control device as claimed in claim 12 is characterized in that, described detection module further comprises: the authority detecting unit, and whether the user who is used to detect described program operation requests correspondence has limiting operation recorded program; The performance recording detecting unit, whether the user who is used to detect described program operation requests correspondence has recorded the program of solicit operation; Whether and the user records detecting unit, be used to detect also have other users to record the program of current program operation requests correspondence.
16. business control device as claimed in claim 12, it is characterized in that, described business control device also comprises: Tip element, be used for sending information to the user, and described information comprises: record successful information, lack of competence browsing information or lack of competence deletion information.
17. business control device as claimed in claim 12 is characterized in that, described business control device also comprises: the deletion control module is used for the deletion action according to user's program removal request control program.
18. business control device as claimed in claim 17 is characterized in that, described deletion control module further comprises: program deletion control unit is used to control the deletion of program recording; The record deletion control unit is used for controlling the deletion of the parameter of the described program operation requests that described memory cell writes down; And programme deletion control unit, be used to control the user and ask the deletion of program recording list.
19. business control device as claimed in claim 12 is characterized in that, described business control device also comprises: judging unit is used to judge and records the program whether vod server has recorded described performance recording request correspondence.
20. a server is used to handle the program operation requests, it is characterized in that, this server comprises: the programme generation unit is used to generate the programme televised live list; Programme issues the unit, and being used for provides described programme televised live list to the user; Operation TU Trunk Unit, be used for the program receiving recording request, described performance recording request is based on recording the programme televised live that vod server real-time recording multicast source provides, the mode of wherein recording comprises once sending forever to be recorded, comprise the parameter of asking program recording in the described performance recording request, comprise the corresponding relation of described performance recording request and described programme televised live in the described parameter; And the operation requests transmitting element is used to transmit described performance recording request.
21. server as claimed in claim 20 is characterized in that, described server also comprises: the rendition list acquiring unit is used to obtain user's recorded program tabulation.
22. server as claimed in claim 20 is characterized in that, this server is EPG server or WEB server.
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| CN101867772B (en) * | 2009-04-17 | 2013-07-03 | 中兴通讯股份有限公司 | Shared storage method in IPTV system and system |
| CN101631229B (en) * | 2009-08-14 | 2011-09-14 | 华为技术有限公司 | Network individual recording method, device and system |
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| CN101072324A (en) | 2007-11-14 |
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