CN102917254B - Program broadcasting method and system based on NGOD - Google Patents
Program broadcasting method and system based on NGOD Download PDFInfo
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- CN102917254B CN102917254B CN201210378348.5A CN201210378348A CN102917254B CN 102917254 B CN102917254 B CN 102917254B CN 201210378348 A CN201210378348 A CN 201210378348A CN 102917254 B CN102917254 B CN 102917254B
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Abstract
The invention discloses a kind of program broadcasting method based on a new generation's video-on-demand service basic framework and system.The method includes: network side receives list authentication request, to PS request, the subscribed programmes playlist carried in list authentication request is authenticated, and generates authentication program play list according to the program that authentication is passed through；Actual program in request authentication program play list, the plug-flow port information according to the positional information of the SS obtained and SS, the video flowing of the notice SS video request program client plug-flow actual program to request program；Determine that actual program plug-flow is complete, it is judged that whether actual program is last program in authentication program play list, if, notice process ends, if it is not, read the next program of actual program in authentication program play list, return the flow process performing notice SS.The application present invention, it is possible to improve the safety that program is play, the playing flow simplifying authentication program play list.
Description
Technical field
The present invention relates to video technique, particularly relate to a kind of program broadcasting method based on a new generation's video-on-demand service basic framework (NGOD, NextGenerationOnDemandVideoArchitecture) and system.
Background technology
Along with the development of country's integration of three networks, TV market is ripe gradually, and increasing enterprise starts to develop intelligent television (DTV, DefinitionTelevision).Intelligent television refers to possess open operating system and chip, have open application platform, two-way human-computer interaction function can be realized, New function or value-added service can be realized by autonomous set up applications, such as, Video-on-demand services, and can by three terminal application platform netting the satisfied variations such as access, 3C fusion and individual demand.
NGOD is a new generation's video-on-demand service basic framework, and the core of framework is Video-on-demand service, many component integration constitute NGOD system.Wherein, including: it is positioned at the video request program client (ODC on top box of digital machine, OnDemandClient), subscription server (the PS that checking user orders, PurchaseServer), session manager (SM for the Video-on-demand Service Management session life cycle of user, SessionManager), for introducing service and managing the navigation server (NS of user, NavigationServer), stream pushing server (the SS of output program video stream and management flow control, StreamingServer), assets propagation manager (the APM that video flowing is propagated is managed by multiple stream pushing servers, and video request program explorer (ODRM AssetPropagationManager), OnDemandResourceManager) etc..Being attached by predefined interface between server or manager, its interface specifically includes that asset management interface (AssetInterfaces): A1-A7, session management interface (SessionInterfaces): S1-S6, resource management's interface (ResourceInterfaces): R1-R6, empowerment management interface (EntitlementInterfaces): E1-E2, plug-flow control interface (StreamControlInterfaces): C1 etc..
Fig. 1 is the structural representation of the existing performance broadcasting system based on NGOD.Be it should be noted that, this system merely illustrates and relates to components and parts and the interface thereof that the application is correlated with, assembly for other key, such as, assets from content provider or Virtual network operator are carried out the asset distribution system (ADS issued, AssetDistributionSystem), the asset management system (the AMS of checking and management asset content and metadata, AssetManagementSystem), real-time manager (the RTM of management real time resources, RealTimeManager), the bill of managing customer and the Billing System (BS of service order, BillingSystem) and for each session it is encrypted the resource encryption manager (EnRM of configuration management, EncryptionResourceManager) etc., interface, such as, client monitors interface (ClientAuto-DiscoveryInterfaces) automatically: D1 and network management interface (NetworkManagementInterfaces): N etc., owing to being not directed to the application, do not repeat them here.Referring to Fig. 1, this system includes: NS, ODC, PS, SM, ODRM, APM and SS, wherein,
ODC is connected with NS by A7 interface, is connected with SS by C1 interface, is connected with PS by E2 interface, is connected with SM by S1 interface；
SM is connected with PS by S2 interface, is connected with ODRM by S3 interface；
ODRM is connected with SS by Interface R2, is connected with APM by R1 interface；
APM is connected with SS by A3 interface.
Fig. 2 is the existing program broadcasting method schematic flow sheet based on NGOD based on Fig. 1.Referring to Fig. 2, this flow process includes:
Step 201, ODC obtains program play list by A7 interface from NS；
In this step, ODC obtains program play list request by sending to NS, obtains program play list from NS, for instance, electric program menu (EPG, ElectronicProgramGuide).
Program play list can be the rendition list name, it can also be single program names, if the rendition list name, then program is the concrete listing that this rendition list is corresponding, if single program names, then playing program program is the listing having advertisement insertion, namely must first finish advertisement and could play program.
Step 202, ODC orders the program treating program request by E2 interface from PS, generates subscribed programmes playlist；
In this step, ODC, according to from the NS program play list obtained, chooses the one or more programs treating program request, orders to PS, thus realizing pay-per-view.
Step 203, ODC passes through S1 interface, to SM transmission list authentication request, carries subscribed programmes playlist；
In this step, ODC is buying after the program of program request to PS, plays this subscribed programmes playlist to SM request.
In practical application; user is by after ODC subscribed programmes; after receiving subscribed programmes playlist; owing to can the program ordered in subscribed programmes playlist be added, deletion etc. operates; in order to protect the legitimate rights and interests of operation manufacturer, it is necessary to the subscribed programmes playlist that user is submitted to authenticates.
Step 204, SM is interacted with PS by S2 interface, and the subscribed programmes playlist of request is authenticated, and generates authentication program play list；
In this step, SM receives the ODC list authentication request sent, and interacts with PS, and PS user's ordering information according to storage, to user by this ODC program respectively treating program request sent, for instance, program 1 to program n authenticates.
In the embodiment of the present invention, the subscribed programmes of request is generally the ODC program bought, for instance, the rendition list name or single program names.
Step 205, SM passes through S1 interface, and authentication program play list is returned to ODC；
In this step, the program comprised in the subscribed programmes playlist (authentication program play list) after authentication is the partial programme comprised in the ODC subscribed programmes playlist carried when asking to SM or whole programs.Namely PS deletes authenticating unsanctioned program from the subscribed programmes playlist received, eventually forms authentication program play list.
Step 206, ODC passes through S1 interface, the program i in SM request authentication program play list；
In this step, ODC, according to the authentication program play list received, sequentially plays corresponding program to SM request.Such as, for initial play, then i=1, namely the top line from authentication program play list, request is play.
Step 207, SM passes through S2 interface, interacts with PS, and the program i received is authenticated；
In this step, as previously described, because subscribed programmes playlist can be modified by user by ODC, it is also possible to authentication program play list is modified, thus, SM needs the ODC each program sent is carried out independent authentication.
In the authentication of the program i to user's program request by rear, perform subsequent step.
Step 208, SM passes through S3 interface, from ODRM request program i；
In this step, SM by rear, asks this program i to ODRM in the authentication of program i.
Step 209, ODRM passes through R1 interface, obtains the positional information of SS from APM；
In this step, ODRM passes through R1 interface, sends the location information request obtaining SS to APM, and APM passes through A3 interface, mutual with SS, obtains the positional information of SS and is back to ODRM by R1 interface.
Step 210, ODRM obtains the plug-flow port information of SS by Interface R2；
In this step, the ODRM positional information according to the SS obtained, the plug-flow port information of SS is obtained by Interface R2.
Step 211, ODRM passes through S3 interface, and the positional information of SS, plug-flow port information are returned to SM；
Step 212, SM passes through S1 interface, and the positional information of SS, plug-flow port information are returned to ODC；
Step 213, ODC according to receive information, by C1 interface to SS send program i commence play out instruction；
In this step, SM by S1 interface the positional information of SS, plug-flow port information returned to ODC, ODC commence play out program time, according to the positional information of SS and plug-flow port information, sending to SS and commence play out instruction, this commences play out instruction for the program i in authentication program play list.
SS receives after commencing play out instruction, commences play out the program i of program request.
Step 214, program i plug-flow is complete, and SS passes through C1 interface, and notice ODC program i plug-flow terminates；
In this step, SS, after the complete program i of plug-flow, notifies ODC, and the program i plug-flow in authentication program play list is complete.Namely SS plug-flow program i completes, or plug-flow terminates, but video request program is not over, it is necessary to ODC determines whether the video request program terminating this program i by C1 interface.
Step 215, ODC receives plug-flow ending message, sends end program i instruction by C1 interface to SS；
In this step, ODC is after receiving plug-flow ending message, it is determined that the broadcasting of actual program i terminates, and sends the instruction terminating program i to SS.
Step 216, SS passes through Interface R2, and the end program i instruction of reception is returned to ODRM；
In this step, the end play instruction of the program i terminated in authentication program play list is returned to ODRM by SS.
Step 217, ODC sends end program i instruction by S1 interface to SM；
This step and step 215 do not have dividing of sequencing, it is possible to performed before step 215, it is also possible to perform with step 215 simultaneously, and the end program i instruction of transmission is for the program i in program play list.Control thus terminating the SM broadcasting to program i.
Step 218, ODC determines broadcasting next program, authenticates the program (i+1) playlist by S1 interface from SM request.
In this step, ODC circulation performs step 206 to step 217, until being finished playing by the whole programs (program 1 to program n) in authentication program play list.
From above-mentioned, the existing program broadcasting method based on NGOD, ODC is by sending playing request to SM, program play list is obtained from SM, then, ODC sends order request to SM successively, program in program request authentication playlist, SM is for order request each time, it is required for authenticating, after the program of each program request finishes playing, it is necessary to SS notifies that this program of ODC is play to be terminated, so that ODC can start the next program in program request authentication program play list, thus realizing the sequentially broadcasting of each request program.So, first obtain the program of authentication program play list due to ODC, then play out again so that ODC can increase or delete the program in authentication program play list, cause authentication program play list in program play imperfect, program play safety relatively low；Further, ODC often carries out a program request, it is accomplished by once authenticating, for comprising the situation of multiple program in authentication program play list, authentication often, adds the authentication interaction times between PS and SM, and owing to the program broadcasting in authentication program play list is required for ODC order program request successively, too increasing the order request interaction times between ODC and SM so that it is longer that request program plays out required time, the playing flow of authentication program play list is complex；Being additionally, since the program that every time finishes playing, SS is required for notice ODC broadcasting to be terminated, and adds the program request notice number of times between SS and ODC, too increases the resource overhead needed for video playback；Additionally, rely on ODC to complete the broadcasting of authentication program play list, result in the ODC of different vendor and access the complexity of NGOD system platform, add the mutual of ODC and NGOD system platform, the safety for authenticating program play list there is also hidden danger.
Summary of the invention
Embodiments of the invention provide a kind of program broadcasting method based on a new generation's video-on-demand service basic framework, improve the safety that program is play, the playing flow simplifying authentication program play list.
Embodiments of the invention also provide for a kind of performance broadcasting system based on a new generation's video-on-demand service basic framework, improve the safety that program is play, the playing flow simplifying authentication program play list.
For reaching above-mentioned purpose, a kind of program broadcasting method based on a new generation's video-on-demand service basic framework that the embodiment of the present invention provides, including:
Network side receives list authentication request, to subscription server PS request, the subscribed programmes playlist carried in list authentication request is authenticated, and generates authentication program play list according to the program that authentication is passed through；
Actual program in request authentication program play list, the plug-flow port information according to the positional information of the stream pushing server SS obtained and SS, the video flowing of the notice SS video request program client plug-flow actual program to request program；
Determine that actual program plug-flow is complete, it is judged that whether actual program is last program in authentication program play list, if, notice process ends, if it is not, read the next program of actual program in authentication program play list, return the flow process performing notice SS.
Wherein, described reception list authentication request includes:
Video request program client ODC navigation server NS sends and obtains program play list request, according to the program play list returned, chooses and treats subscribed programmes, sends subscription request to PS；
ODC receives the PS subscribed programmes playlist returned, and to session manager SM transmission list authentication request, carries subscribed programmes playlist.
Wherein, described after generating authentication program play list, the method can further include:
SM returns authentication program play list to ODC, and ODC receives and stores.
Wherein, the actual program in described request authentication program play list includes:
SM order obtains the program do not play in authentication program play list, sends actual program request to video request program explorer ODRM；
ODRM, according to the program request received, obtains the location information request of SS, obtains the positional information of SS from APM to assets propagation manager APM output；
The ODRM positional information according to the SS obtained, obtains the plug-flow port information of SS from SS, carries in request response, exports to SM.
Wherein, the setting of the programs in described authentication program play list has the program identification representing that whether this program is played.
Wherein, the video flowing of the described notice SS video request program client plug-flow actual program to request program includes:
The positional information of the SS that SM carries in responding according to the request received and the plug-flow port information of SS, ask the program in plug-flow authentication program play list to SS；
SM commences play out instruction to SS transmission actual program；
SS receives and commences play out instruction, to the ODC plug-flow program video stream of program request actual program.
Wherein, described determine that actual program plug-flow is complete and include:
SS is after actual program plug-flow, and notice SM actual program plug-flow terminates；
SM receives actual program plug-flow ending message, sends actual program to SS and terminates plug-flow instruction；
SS receives actual program and terminates plug-flow instruction, actual program terminates plug-flow instruction and exports to ODRM.
Wherein, described notice process ends includes:
SM sends to ODC and terminates list play instruction, and ODC receives the end list play instruction of SM output, terminates to play.
Wherein, described notice process ends includes:
ODC receives video flowing, plays out；
Authentication program play list according to storage, it is determined that played all programs comprised in authentication program play list, sends to SM and terminates list play instruction；
The end list play instruction of reception is respectively sent to SS and ODRM by SM.
A kind of performance broadcasting system based on a new generation's video-on-demand service basic framework, this system includes: video request program client ODC, subscription server PS, session manager SM, video request program explorer ODRM, assets propagation manager APM and stream pushing server SS, wherein
ODC is connected with SS by C1 interface, is connected with PS by E2 interface, is connected with SM by S1 interface；
SM is connected with PS by S2 interface, is connected with ODRM by S3 interface；
ODRM is connected with SS by Interface R2, is connected with APM by R1 interface；
APM is connected with SS by A3 interface；
ODC, is used for obtaining program play list, chooses and treat subscribed programmes, sends subscription request to PS；Receive the PS subscribed programmes playlist returned, to SM transmission list authentication request, carry subscribed programmes playlist；Receive the program video stream of SS output, play out；Receive the end list play instruction of SM output, terminate to play；
PS, for receiving the ODC subscription request sent, returns to ODC and orders successful program；Receive the SM list authentication request sent, the subscribed programmes playlist of request is authenticated, return the program of authentication to SM；
SM, for receiving the ODC list authentication request sent, sends to PS, generates authentication program play list according to the authentication program returned；Program in ODRM request authentication program play list, the plug-flow port information according to the positional information of the SS carried in the request response received and SS, notify the SS video flowing to ODC plug-flow actual program；Receive the SS actual program plug-flow ending message returned, send actual program to SS and terminate plug-flow instruction, whether all programs judged in authentication program play list finish, if, send to ODC and terminate list play instruction, otherwise, read the next program of actual program in authentication program play list, return the flow process performed to the program in SS request plug-flow authentication program play list；
ODRM, for the program request in the authentication program play list according to SM output, obtains the positional information of SS, obtains the plug-flow port information of SS from SS from APM, carries in request response, exports to SM；
APM, for receiving the location information request obtaining SS of ODRM output, mutual with SS, obtain the positional information of SS, export to ODRM；
SS, for receiving the plug-flow port information request obtaining SS of ODRM output, returns the plug-flow port information of SS to ODRM；Mutual with APM, the positional information of SS is exported to APM；After receiving the SM notice sent, to ODC plug-flow program video stream；After actual program plug-flow, notice SM actual program plug-flow terminates；Receive the SM actual program sent and terminate plug-flow instruction, actual program is terminated plug-flow instruction and exports to ODRM.
It is preferred that described system farther includes:
NS, is connected with ODC by A7 interface, for receiving the ODC acquisition program play list sent request, returns program play list to ODC.
It is preferred that described SM is further used for the authentication program play list generated output to ODC, ODC being received the SM authentication program play list returned and storing.
As seen from the above technical solution, a kind of program broadcasting method based on a new generation's video-on-demand service basic framework of embodiment of the present invention offer and system, network side receives list authentication request, to PS request, the subscribed programmes playlist carried in list authentication request is authenticated, generate authentication program play list according to the program that authentication is passed through；Actual program in request authentication program play list, the plug-flow port information according to the positional information of the SS obtained and SS, the video flowing of the notice SS video request program client plug-flow actual program to request program；Determine that actual program plug-flow is complete, it is judged that whether actual program is last program in authentication program play list, if, notice process ends, if it is not, read the next program of actual program in authentication program play list, return the flow process performing notice SS.So, universal retrieval is carried out by subscribed programmes playlist user sent at network side, and the authentication program play list that authentication is formed is managed by network side, and sequentially carry out program broadcasting, thus avoiding user to pass through ODC increase or deletion action to authenticating program in program play list, improve the safety that program is play；Further, all programs in subscribed programmes playlist are carried out universal retrieval by network side, only need to experience once authenticating, effectively reduce the time needed for play-on-demand program, simplify the playing flow of authentication program play list, save the resource overhead needed for video playback.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.It should be evident that the accompanying drawing in being described below is only some embodiments of the present invention, for those of ordinary skills, it is also possible to obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
Fig. 1 is the structural representation of the existing performance broadcasting system based on NGOD.
Fig. 2 is the existing program broadcasting method schematic flow sheet based on NGOD based on Fig. 1.
Fig. 3 is the embodiment of the present invention performance broadcasting system structural representation based on a new generation's video-on-demand service basic framework.
Fig. 4 is the embodiment of the present invention program broadcasting method schematic flow sheet based on a new generation's video-on-demand service basic framework.
Fig. 5 is the embodiment of the present invention program broadcasting method idiographic flow schematic diagram based on a new generation's video-on-demand service basic framework.
Detailed description of the invention
Below with reference to accompanying drawing, the technical scheme of various embodiments of the present invention is carried out clear, complete description, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under the premise not making creative work, broadly fall into the scope that the present invention protects.
The existing program broadcasting method based on NGOD, Video-on-demand request is initiated by network side, ODC is after obtaining authentication program play list, can increase or delete the program in authentication program play list, cause authentication program play list in program play imperfect, the safety that program is play is relatively low, compromises the legitimate rights and interests of operation manufacturer；Further, increase or delete the probability of program in authentication program play list owing to ODC exists, make SM for order request each time, it is required for authenticating, authentication is often so that between system, each unit interaction times is many, not only makes request program play out required time longer, also the playing flow authenticating program play list is complex, and the resource overhead needed for video playback is big.
In the embodiment of the present invention, consider, at network side, by the ODC subscribed programmes playlist sent, user is carried out universal retrieval, and the authentication program play list that authentication is formed is managed by network side, and sequentially carry out program broadcasting, thus avoiding user to pass through ODC increase or deletion action to authenticating program in program play list, promoting the integrity that in authentication program play list, program is play, thus safeguarding the legitimate rights and interests of operation manufacturer, improving the safety that program is play；Further, authentication program play list is managed by network side, increased by ODC owing to being absent from user or delete the probability of program in authentication program play list, make SM all programs in subscribed programmes playlist can be carried out universal retrieval, thus, only need to experience once authenticating, effectively reduce the time needed for play-on-demand program, simplify the playing flow of authentication program play list, save the resource overhead needed for video playback.
Fig. 3 is the embodiment of the present invention performance broadcasting system structural representation based on a new generation's video-on-demand service basic framework.Referring to Fig. 3, this system includes: NS, ODC, PS, SM, ODRM, APM and SS, wherein,
ODC is connected with NS by A7 interface, is connected with SS by C1 interface, is connected with PS by E2 interface, is connected with SM by S1 interface；
SM is connected with PS by S2 interface, is connected with ODRM by S3 interface；
ODRM is connected with SS by Interface R2, is connected with APM by R1 interface；
APM is connected with SS by A3 interface.
NS, for receiving the ODC acquisition program play list sent request, returns program play list to ODC；
In the embodiment of the present invention, navigation server, as an entity, provides required navigation information for other assembly of order video program acquisition, for instance, there is provided electric program menu and related application attribute to video request program client, and activate navigation feature alternately with video request program client.
ODC, is used for obtaining program play list, chooses and treat subscribed programmes, sends subscription request to PS；Receive the PS subscribed programmes playlist returned, to SM transmission list authentication request, carry subscribed programmes playlist；Receive the program video stream of SS output, play out；Receive the end list play instruction of SM output, terminate to play；
In the embodiment of the present invention, ODC receives and plays in authentication program play list after all programs of comprising determining, it is also possible to sends to SM and terminates list play instruction.
Certainly, in practical application, ODC can not also send to NS and obtain program play list request, obtains program play list from NS, it is possible to generate program play list according to personalized demand, so that this system can not also include NS.
In the embodiment of the present invention, ODC first obtains the content of program play list, is then carried out the played in order of authentication program play list by SM, and so, ODC cannot increase and delete the program in authentication program play list, enhances the safety of program play list；Further, ODC has only to receive program according to program play list and plays out just passable, simplifies the process logic of ODC, it is possible to make ODC more simple and general.
PS, for receiving the ODC subscription request sent, returns to ODC and orders successful program；Receive the SM list authentication request sent, the subscribed programmes playlist of request is authenticated, return the program of authentication to SM；
In the embodiment of the present invention, buy server as an entity, receive the subscription request from video request program client, return the program play list ordered to video request program client；Receive the list authentication request of session manager output, each program in the list of subscribed programmes carried in list authentication request is authenticated, the program that authentication is passed through is back to SM.
SM, for receiving the ODC list authentication request sent, sends to PS, generates authentication program play list according to the authentication program returned；Program in ODRM request authentication program play list, the plug-flow port information according to the positional information of the SS carried in the request response received and SS, notify the SS video flowing to ODC plug-flow actual program；Receive the SS actual program plug-flow ending message returned, send actual program to SS and terminate plug-flow instruction, whether all programs judged in authentication program play list finish, if, send to ODC and terminate list play instruction, otherwise, read the next program of actual program in authentication program play list, return the flow process performed to the program in SS request plug-flow authentication program play list；
In the embodiment of the present invention, the authentication program play list generated output to ODC, ODC can be received the SM authentication program play list returned and store by SM further.
Notice SS includes to the video flowing of ODC plug-flow actual program: first ask the program in plug-flow authentication program play list to SS；Then, instruction is commenced play out to what SS sent actual program, so that SS is to the video flowing of ODC plug-flow actual program.
In the embodiment of the present invention, SM is responsible for mutual with PS, and subscribed programmes playlist is authenticated, and manages session life cycle for ODRM, is connected with ODRM foundation by S3 interface, asks resource from ODRM.Communicate with ODC, obtain and the ending message of the information of setting up of ODC session, the status information of session and session.So, the played in order of authentication program play list is carried out by SM, owing to SM will not revise authentication program play list, thus, only need to carry out a universal retrieval, it is not necessary to the program for each program request repeatedly authenticates, and effectively reduces the number of times of authentication, reduce the resource overhead between SM and PS and ODC, also effectively reduce the time needed for play-on-demand program；Meanwhile, SM carries out the played in order of program play list, it is not necessary to ODC is order program request successively, decreases the order request interaction times between ODC and SM, simplifies the flow process playing video flowing.
ODRM, for the program request in the authentication program play list according to SM output, obtains the positional information of SS, obtains the plug-flow port information of SS from SS from APM, carries in request response, exports to SM；
In the embodiment of the present invention, video request program explorer is responsible for distribution and the management stream resource from stream pushing server.The resource distributed by on-demand assets manager includes:
Select SS: be connected with APM foundation by R1 interface, obtain the positional information of SS from APM；
Distribution video flowing resource: be connected with SS foundation by Interface R2, is distributed video flowing resource for the SS selected, wherein, carries the parameters such as flow port information and bandwidth information.
APM, for receiving the location information request obtaining SS of ODRM output, mutual with SS, obtain the positional information of SS, export to ODRM；
SS, for receiving the plug-flow port information request obtaining SS of ODRM output, returns the plug-flow port information of SS to ODRM；Mutual with APM, the positional information of SS is exported to APM；After receiving the SM notice sent, to ODC plug-flow program video stream；After actual program plug-flow, notice SM actual program plug-flow terminates；Receive the SM actual program sent and terminate plug-flow instruction, actual program is terminated plug-flow instruction and exports to ODRM.
In the embodiment of the present invention, SS is for being responsible for digital video frequency flow plug-flow to ODC, it is preferred that, the video content of mpeg format is stored frequently with jumbo storage hard disk collection.
Notice is the request of the SS program being respectively received in the SM plug-flow exported authentication program play list and commences play out instruction.
Fig. 4 is the embodiment of the present invention program broadcasting method schematic flow sheet based on a new generation's video-on-demand service basic framework.Referring to Fig. 4, this flow process includes:
Step 401, network side receives list authentication request, to PS request, the subscribed programmes playlist carried in list authentication request is authenticated, and generates authentication program play list according to the program that authentication is passed through；
In this step, receive list authentication request and include:
ODC sends to NS and obtains program play list request, according to the program play list returned, chooses and treats subscribed programmes, sends subscription request to PS；
In this step, program play list can be electric program menu.
ODC receives the PS subscribed programmes playlist returned, and to SM transmission list authentication request, carries subscribed programmes playlist.
In practical application, after generating authentication program play list, the method can further include:
SM returns authentication program play list to ODC, and ODC receives and stores.
Step 402, the actual program in request authentication program play list, the plug-flow port information according to the positional information of the SS obtained and SS, the video flowing of the notice SS video request program client plug-flow actual program to request program；
In this step, the actual program in request authentication program play list includes:
SM order obtains the program do not play in authentication program play list, sends actual program request to ODRM；
In this step, in authentication program play list, order is arranged with user's program by ODC program request, and represent that whether this program is played by arranging program identification, if this program is not play, this program identification is set for not play, if this program is played, this program identification is set for playing.So, SM can travel through authentication program play list successively, obtains top line and is designated the program do not play, this program do not play is designated as actual program.
ODRM, according to the program request received, obtains the location information request of SS, obtains the positional information of SS from APM to APM output；
The ODRM positional information according to the SS obtained, obtains the plug-flow port information of SS from SS, carries in request response, exports to SM.
The video flowing of the notice SS video request program client plug-flow actual program to request program includes:
The positional information of the SS that SM carries in responding according to the request received and the plug-flow port information of SS, ask the program in plug-flow authentication program play list to SS；
In this step, the program in plug-flow authentication program play list is asked to be in order to SS prepares the video flowing to ODC plug-flow to SS.After SS receives the program request in plug-flow authentication program play list, it is possible to without returning response message to SM, certainly, in practical application, it is also possible to return response message to SM, so that SM confirms that SS has received the program request in plug-flow authentication program play list.
SM commences play out instruction to SS transmission actual program；
SS receives and commences play out instruction, to the ODC plug-flow program video stream of program request actual program.
Step 403, it is determined that actual program plug-flow is complete, it is judged that whether actual program is last program in authentication program play list, if it is, notice process ends, if not, read the next program of actual program in authentication program play list, return the flow process performing notice SS.
In this step, it is determined that actual program plug-flow is complete to be included:
SS is after actual program plug-flow, and notice SM actual program plug-flow terminates；
SM receives actual program plug-flow ending message, sends actual program to SS and terminates plug-flow instruction；
SS receives actual program and terminates plug-flow instruction, actual program terminates plug-flow instruction and exports to ODRM.
Notice process ends includes:
SM sends to ODC and terminates list play instruction, and ODC receives the end list play instruction of SM output, terminates to play.
In practical application, notice process ends can also include:
ODC receives video flowing, plays out；
Authentication program play list according to storage, it is determined that played all programs comprised in authentication program play list, sends to SM and terminates list play instruction；
The end list play instruction of reception is respectively sent to SS and ODRM by SM.
In this step, SS receives and terminates list play instruction, it is possible to be released to this ODC connection resource set up, and ODRM receives and terminates list play instruction, it is possible to be recovered as the resource of transmission authentication program play list distribution.
Fig. 5 is the embodiment of the present invention program broadcasting method idiographic flow schematic diagram based on a new generation's video-on-demand service basic framework.Referring to Fig. 5, this flow process includes:
Step 501, ODC obtains program play list by A7 interface from NS；
In this step, ODC obtains program play list request by sending to NS, obtains program play list from NS, for instance, electric program menu (EPG, ElectronicProgramGuide).
Step 502, ODC orders the program treating program request by E2 interface from PS, generates subscribed programmes playlist；
In this step, ODC, according to from the NS program play list obtained, chooses the one or more programs treating program request, orders to PS, and PS, according to the ODC programme information ordered, generates subscribed programmes playlist, and output is to ODC, thus realizing pay-per-view.
Step 503, ODC passes through S1 interface, to SM transmission list authentication request, carries subscribed programmes playlist；
In this step, user is by after ODC subscribed programmes, after receiving subscribed programmes playlist, owing to can the program ordered in subscribed programmes playlist be added, deletion etc. operates, thus, when playing out to SM output subscribed programmes playlist request, SM needs subscribed programmes playlist is authenticated, it has been determined that whether user is modified.
Step 504, SM is interacted with PS by S2 interface, and the subscribed programmes playlist of request is authenticated, and generates authentication program play list；
In this step, SM is connected with PS by S2 interface, receives the ODC list authentication request sent, interacts with PS, and PS user's ordering information according to storage, to user by this ODC program respectively treating program request sent, for instance, program 1 to program n authenticates.And according to the program that authentication is passed through, generate authentication program play list.
Step 505, SM passes through S1 interface, and the authentication program play list generated after authentication is returned to ODC；
In this step, in authentication program play list, carry respectively sequentially play programm name, program plays start-stop identification information, program plays capacity information and program playing duration information etc..So, in follow-up, ODC is when receiving the video flowing of a certain program, it is possible to the relevant information according to this program, for instance, program is play start-stop identification information and is determined whether broadcasting starts, and determines whether program is play according to program playing duration information and terminates.
Above-mentioned steps 501～step 505 is identical with step 201～step 205 of the prior art.
Step 506, SM passes through S3 interface, the program 1 from ODRM request authentication program play list；
In this step, while the authentication program play list generated after authentication is returned to ODC by SM, before or after, according to the authentication program play list obtained, sequentially authenticate the program in program play list to ODRM request.Such as, if also do not play, then the program 1 from authentication program play list starts sequentially to ask.
In the embodiment of the present invention, by SM, each play-on-demand program in authentication program play list is carried out unified management, thus avoiding owing to authentication program play list is managed by ODC, can to authentication program play list in program perform interpolation and/or, what in the authentication program play list that deletion action causes, program was play is imperfect, reduce the safety risks to authentication program play list, improve the safety that program is play；Further, authentication program play list is carried out unified management by SM, owing to authentication the rendition list will not be modified, thus, only need to carry out once authentication alternately with PS, it can be ensured that the program in authentication the rendition list that subsequent request is play is the program through authentication, effectively reduces the number of times of authentication, simplify the flow process of authentication, also reduce SM and PS resource overhead required alternately；And, ODC, without when playing actual program every time, playing next program to SM request, also effectively reduce the interaction times between SM and ODC, has saved SM and ODC resource required alternately.
Step 507, ODRM receives request, by R1 interface, obtains the positional information of SS from APM；
In this step, ODRM passes through R1 interface, sends the location information request obtaining SS to APM, and APM passes through A3 interface, mutual with SS, obtains the positional information of SS and is back to ODRM by R1 interface.
This step is identical with step 209.
Step 508, ODRM passes through Interface R2, obtains the plug-flow port information of SS；
In this step, the ODRM positional information according to the SS obtained, the plug-flow port information of SS is obtained by Interface R2.
In the embodiment of the present invention, ODRM obtains the positional information of SS by R1 interface, is obtained the plug-flow port information of SS by Interface R2, in follow-up, the positional information of the SS according to this acquisition and the plug-flow port information of SS, the program 1 in request SS plug-flow authentication program play list.
Step 509, ODRM passes through S3 interface, and the positional information of SS, plug-flow port information are returned to SM；
In this step, ODRM passes through S3 interface, and the positional information of SS, plug-flow port information are returned to SM, in order to SM obtains the relevant information that program is play.
Step 510, SM passes through C1 interface, asks the program 1 in plug-flow authentication program play list to SS；
In this step, SM prenotices SS, plug-flow to carry out the program 1 in authentication program play list prepares, so that in follow-up, when SM commences play out, commencing play out instruction by sending to SS, this commences play out instruction when playing 1 for the program in program play list, it is possible to immediately program 1 is carried out plug-flow.
Step 511, SM determines broadcasting, by C1 interface, commences play out instruction to what SS sent program 1；
In this step, the program in authentication program play list is play in request, and expression is the request of a request program, sends that what commence play out that instruction represents is commence play out.It is to say, in step 510, if the program success in request plug-flow authentication program play list, SM is after receiving this successful information, in addition it is also necessary in step 511, again sends and commences play out instruction, and SS just can carry out plug-flow, and otherwise, SS will not carry out plug-flow.If the program failure in request plug-flow authentication program play list, then SM is after receiving this failure information, it is impossible to sends and commences play out instruction.
In this step, commence play out instruction for the program 1 in authentication program play list.
Step 512, SS plug-flow is complete, and by C1 interface, notice SM actual program plug-flow terminates；
In this step, SS, after the complete program 1 of plug-flow, notifies SM, and the plug-flow of the program 1 in authentication program play list terminates.Namely SS plug-flow program 1 completes, and returns actual program plug-flow ending message to SM, but the video request program of program 1 is not over, and does not namely also discharge the related resource of program 1, it is necessary to SM determines whether the video request program terminating this program 1 by C1 interface.
Step 513, SM passes through C1 interface, sends actual program to SS and terminates plug-flow instruction；
In this step, each program is carried out unified management by SM, it is determined that the plug-flow of program 1 terminates, and sends the instruction terminating plug-flow program 1 to SS, and namely actual program terminates plug-flow instruction.
In the embodiment of the present invention, SS is actively sent the END instruction of actual program plug-flow after notifying that SM actual program plug-flow terminates by SM.Even if it is to say, SS sends actual program plug-flow ending message to SM, as long as no receiving the SM end plug-flow instruction sent, SS cannot process ends (maintain connect), be only off plug-flow.
Step 514, SS passes through Interface R2, actual program terminates plug-flow instruction and returns to ODRM；
In this step, the end plug-flow instruction of the program 1 terminated in authentication the rendition list is returned to ODRM by SS.
Step 515, whether all programs that SM judges in authentication program play list finish, if it is, perform step 516, otherwise, read the next program of actual program in authentication program play list, return and perform step 506；
In this step, SM judges that whether all programs in authentication program play list are complete, if do not played, by S3 interface, next program from ODRM request authentication program play list, circulation performs step 506 to step 515, to be finished playing by the whole programs (program 1 to program n) in authentication program play list.
Step 516, by S1 interface, sends to ODC and terminates list play instruction.
In this step, SM judges that all programs plug-flow in authentication program play list is complete, by S1 interface, sends to ODC and terminates list play instruction, notice ODC has completed plug-flow, thus terminating the program playing flow based on a new generation's video-on-demand service basic framework.
In practical application, can also be that ODC is according to the authentication program play list obtained in step 505, determine and receive and play all programs comprised in authentication program play list, send to SM and terminate list play instruction, thus terminating whole authentication program play list.
From above-mentioned, the embodiment of the present invention realizes the method for playlist, ODC sends playing request to SM, obtains program play list from SM, is then play by the program in SM successively request program playlist, when making SM program request each time, being made without authentication, after finishing playing, SS notifies that SM plays to be terminated, SM starts the next program in program request program play list and plays, thus realizing the broadcasting of program play list.So, completed the broadcasting of program play list by the SM of NGOD platform interior, simplify ODC and access the complexity of NGOD platform, decrease the mutual of ODC and NGOD platform, enhance the safety of program play list, specifically, there is following Advantageous Effects:
One, SM realize the function that automatic program play list is play；
Two, ODC first obtains the content of program play list, is then carried out the played in order of authentication program play list by SM, and so, ODC cannot increase and delete the program in program play list, enhances the safety of program play list；
Three, SM carries out the played in order of authentication program play list, it is not necessary to repeatedly authenticates, effectively reduces the number of times of authentication；
Four, SM carries out the played in order of program play list, it is not necessary to ODC is order program request successively, decreases the order request interaction times between ODC and SM；
Five, the program that every time finishes playing (program broadcasting), SS has only to notice SM broadcasting to be terminated, thus the program request notice number of times decreased between SS and ODC；
Six, for ODC, the broadcasting of whole program play list is all transparent, substantially completed, by SM, the played in order that in program play list, program is play, ODC has only to receive program according to program play list and plays just passable, simplify the process logic of ODC, it is possible to make ODC more simple and general.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments and modification to the present invention belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention also comprises these and changes and modification.
Claims (11)
1. the program broadcasting method based on a new generation's video-on-demand service basic framework, it is characterised in that including:
Video request program client ODC navigation server NS sends and obtains program play list request, according to the program play list returned, chooses and treats subscribed programmes, sends subscription request to subscription server PS；
Described ODC receives the described PS subscribed programmes playlist returned, and to session manager SM transmission list authentication request, carries subscribed programmes playlist；Described ODC is used for determining whether user revises subscribed programmes playlist to described SM transmission list authentication request；
The described subscribed programmes playlist carried in list authentication request is authenticated by subscription server PS, generates authentication program play list according to the program that authentication is passed through；
SM order obtains the program do not play in authentication program play list, obtain the positional information of stream pushing server SS and the plug-flow port information of SS, the positional information of the stream pushing server SS according to acquisition and the plug-flow port information of SS, the video flowing of the notice SS video request program client plug-flow actual program to request program；
SM determines that actual program plug-flow is complete, it is judged that whether actual program is last program in authentication program play list, if, notice process ends, if it is not, read the next program of actual program in authentication program play list, return the flow process performing notice SS.
2. method according to claim 1, wherein, after generating authentication program play list, the method can further include:
SM returns authentication program play list to ODC, and ODC receives and stores.
3. method according to claim 2, wherein, the plug-flow port information of the positional information and SS that obtain stream pushing server SS includes:
SM sends actual program request to video request program explorer ODRM；
ODRM, according to the program request received, obtains the location information request of SS, obtains the positional information of SS from APM to assets propagation manager APM output；
The ODRM positional information according to the SS obtained, obtains the plug-flow port information of SS from SS, carries in request response, exports to SM.
4. method according to claim 3, wherein, the setting of the programs in described authentication program play list has the program identification representing that whether this program is played.
5. the method according to any one of Claims 1-4, wherein, the video flowing of the described notice SS video request program client plug-flow actual program to request program includes:
The positional information of the SS that SM carries in responding according to the request received and the plug-flow port information of SS, ask the program in plug-flow authentication program play list to SS；
SM commences play out instruction to SS transmission actual program；
SS receives and commences play out instruction, to the ODC plug-flow program video stream of program request actual program.
6. method according to claim 5, wherein, described determine that actual program plug-flow is complete and includes:
SS is after actual program plug-flow, and notice SM actual program plug-flow terminates；
SM receives actual program plug-flow ending message, sends actual program to SS and terminates plug-flow instruction；
SS receives actual program and terminates plug-flow instruction, actual program terminates plug-flow instruction and exports to ODRM.
7. method according to claim 6, wherein, described notice process ends includes:
SM sends to ODC and terminates list play instruction, and ODC receives the end list play instruction of SM output, terminates to play.
8. method according to claim 6, wherein, described notice process ends includes:
ODC receives video flowing, plays out；
Authentication program play list according to storage, it is determined that played all programs comprised in authentication program play list, sends to SM and terminates list play instruction；
The end list play instruction of reception is respectively sent to SS and ODRM by SM.
9. the performance broadcasting system based on a new generation's video-on-demand service basic framework, it is characterized in that, this system includes: video request program client ODC, subscription server PS, session manager SM, video request program explorer ODRM, assets propagation manager APM and stream pushing server SS, wherein
ODC is connected with SS by C1 interface, is connected with PS by E2 interface, is connected with SM by S1 interface；
SM is connected with PS by S2 interface, is connected with ODRM by S3 interface；
ODRM is connected with SS by Interface R2, is connected with APM by R1 interface；
APM is connected with SS by A3 interface；
ODC, is used for obtaining program play list, chooses and treat subscribed programmes, sends subscription request to PS；Receive the PS subscribed programmes playlist returned, to SM transmission list authentication request, carry subscribed programmes playlist；Receive the program video stream of SS output, play out；Receive the end list play instruction of SM output, terminate to play；Described ODC is used for determining whether user revises subscribed programmes playlist to described SM transmission list authentication request；
PS, for receiving the ODC subscription request sent, returns to ODC and orders successful program；Receive the SM list authentication request sent, the subscribed programmes playlist of request is authenticated, return the program of authentication to SM；
SM, for receiving the ODC list authentication request sent, sends to PS, generates authentication program play list according to the authentication program returned；Program in ODRM request authentication program play list, the plug-flow port information according to the positional information of the SS carried in the request response received and SS, notify the SS video flowing to ODC plug-flow actual program；Receive the SS actual program plug-flow ending message returned, send actual program to SS and terminate plug-flow instruction, whether all programs judged in authentication program play list finish, if, send to ODC and terminate list play instruction, otherwise, read the next program of actual program in authentication program play list, return the flow process performed to the program in SS request plug-flow authentication program play list；
ODRM, for the program request in the authentication program play list according to SM output, obtains the positional information of SS, obtains the plug-flow port information of SS from SS from APM, carries in request response, exports to SM；
APM, for receiving the location information request obtaining SS of ODRM output, mutual with SS, obtain the positional information of SS, export to ODRM；
SS, for receiving the plug-flow port information request obtaining SS of ODRM output, returns the plug-flow port information of SS to ODRM；Mutual with APM, the positional information of SS is exported to APM；After receiving the SM notice sent, to ODC plug-flow program video stream；After actual program plug-flow, notice SM actual program plug-flow terminates；Receive the SM actual program sent and terminate plug-flow instruction, actual program is terminated plug-flow instruction and exports to ODRM.
10. system according to claim 9, it is characterised in that described system farther includes:
NS, is connected with ODC by A7 interface, for receiving the ODC acquisition program play list sent request, returns program play list to ODC.
11. the system according to claim 9 or 10, it is characterised in that described SM is further used for the authentication program play list generated output to ODC, ODC being received the SM authentication program play list returned and storing.
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| CN114095761B (en) * | 2022-01-17 | 2022-04-26 | 北京搜狐新动力信息技术有限公司 | Method and device for processing media asset data, storage medium and equipment |
| CN115225390B (en) * | 2022-07-21 | 2024-04-02 | 广东电网有限责任公司 | Power grid cloud broadcasting method, terminal equipment, server side and power grid cloud broadcasting system |
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Effective date of registration: 20170111 Address after: 266100 Shandong Province, Qingdao city Laoshan District Songling Road No. 399 Patentee after: Poly Polytron Technologies Inc Address before: 266061 Laoshan, Qingdao province Hongkong District No. East Road, room 248, room 131 Patentee before: Hisense Media Networks Co., Ltd. |