CN101674470B - Method and system for implementing client recording and recording control entity - Google Patents
Method and system for implementing client recording and recording control entity Download PDFInfo
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- CN101674470B CN101674470B CN200810212006XA CN200810212006A CN101674470B CN 101674470 B CN101674470 B CN 101674470B CN 200810212006X A CN200810212006X A CN 200810212006XA CN 200810212006 A CN200810212006 A CN 200810212006A CN 101674470 B CN101674470 B CN 101674470B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses a method and a system for implementing client recording and a recording control entity. The method is applied in an IMS Based IPTV system and comprises the following steps: receiving a request containing a recording task which comprises recording content identification and client recording party identification; and according to the recording content identification and/or the client recording party identification, controlling a client recording entity to record media contents. The embodiment of the invention implements client recording by carrying out interaction among entities inside a network, and improves user experience when using IMS based IPTV services.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method, system and controlled entity of realizing client recording.
Background technology
IPTV (Internet Protocol Television, IPTV) is a kind of broadband cabled television network that utilizes, integrate technology such as the Internet, multimedia, communication, the technology of the multiple interactive services that comprises Digital Television is provided to the domestic consumer.The user can pass through the mode that PC (Personal Computer, personal computer) or set-top box combine with TV and use the IPTV business, also can use the IPTV business by portable terminal.IMS (IP MultimediaSubsystem, IP Multimedia System) is the IP-based standards system that is independent of access technology, itself and existing voice and data network can intercommunications, no matter for fixed network users or mobile network user, IMS can both make by setting up the IP communication of equity between various types of clients.
The present related functional entities of directly reusing IMS based on the IPTV framework of IMS by the new functional entity of suitable increase and to the expansion of existing capability entity, is realized the support of IMS to the IPTV business.As shown in Figure 1, be IPTV configuration diagram based on IMS:
Among Fig. 1, the functional entity of the IMS that IPTV directly reuses comprises NASS (NetworkAttachment Sub-System, Network Attachment Subsystem) and RACS (Resource andAdmission Control Sub-System, resource and accommodation control subsystem), NASS finishes the management of the access network that the user is attached to, and comprises the distribution of the user rs authentication and the network address and location management etc.; RACS finishes the scheduling and the distribution of resource, realizes QoS (Quality ofService, service quality) control.Wherein, SDF (Service Detect Functions, the service discovering function) is used to UE (User Equipment, subscriber equipment) select an IPTV business to submit necessary information, SSF (Service Select Functions, service selection functional) is used for providing the tabulation of the available service that can browse and select to UE.
Each IPTV business is formed by pair of IP TV SCF (Service Control Functions, service control function) and IPTV MF (Media Functions, media function).Among Fig. 1, COD (Content On Demand, content-on-demand) is the business function of IPTV, is divided into COD-SCF (COD service control function), COD-MCF (COD media control function) and COD-MDF (the COD medium are submitted function); BC (Broadcast, broadcasting) is the business function of IPTV, is divided into BC-SCF (BC service control function), BC-MCF (BC media control function) and BC-MDF (the BC medium are submitted function); PVR (Personal Video Recorder, individual recording) is used to realize the recording function of IPTV business, is divided into PVR-SCF (recoding service controlled function), PVR-MCF (recording medium controlled function) and PVR-MDF (recording medium is submitted function).SCF in above-mentioned three kinds of functions carries out information interaction by IMS Core (Core Feature) and UE, and the medium control messages between MCF and the UE is passed through Xc ' reference point and carried out alternately, and the media data between MDF and the UE passes through Xc " reference point carries out alternately.
The inventor finds in the process to prior art research, though provided the main task of each entity in the IPTV framework based on IMS, but do not describe how not carry out information interaction to finish the client recording business between each entity, that is to say can't be with the media content recording and storing to client device or be arranged in the memory device of network according to the prior art user.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method, system and controlled entity of realizing client recording, so that the user can record media content.
For realizing the purpose of the embodiment of the invention, the embodiment of the invention provides following technical scheme:
A kind of method that realizes client recording is applied to comprise in the IMS Based IPTV system:
Reception comprises the request of recording task, comprises the sign of recorded content and the sign of client recording entity in the described recording task;
Control described client recording entity according to the sign of the sign of described recorded content and described client recording entity and record described media content.
Realize the system of client recording in a kind of IMS Based IPTV system, comprising: record and initiate entity, recording control entity, client recording entity and medium entity is provided,
The described initiation entity of recording is used for sending recording task to described recording control entity, comprises the sign of recorded content and the sign of client recording entity in the described recording task;
Described recording control entity, be used to receive described recording task after, control described client recording entity according to the sign of the sign of described recorded content and described client recording entity and record described media content.
A kind of controlled entity of realizing client recording comprises:
Receiving element is used to receive recording task, comprises the sign of recorded content and the sign of client recording entity in the described recording task;
Control unit is used for controlling described client recording entity according to the sign of the sign of described recorded content and client recording entity and records described media content.The technical scheme that is provided by the above embodiment of the invention as seen, receive the recording task of the sign of the sign comprise media content and client recording entity in the embodiment of the invention, control described client recording entity according to described recording task and record described media content.Use the embodiment of the invention,, improved the user experience of using based on the IPTV of IMS when professional by mutual the recording of realizing client between each entity in the network.
Description of drawings
Fig. 1 is existing IPTV configuration diagram based on IMS;
Fig. 2 realizes the first embodiment flow chart of the method for client recording for the present invention;
Fig. 3 realizes the second embodiment flow chart of the method for client recording for the present invention;
Fig. 4 realizes the 3rd embodiment flow chart of the method for client recording for the present invention;
Fig. 5 realizes the 4th embodiment flow chart of the method for client recording for the present invention;
Fig. 6 realizes the 5th embodiment flow chart of the method for client recording for the present invention;
Fig. 7 realizes the 6th embodiment flow chart of the method for client recording for the present invention;
Fig. 8 realizes the 7th embodiment flow chart of the method for client recording for the present invention;
Fig. 9 realizes the 8th embodiment flow chart of the method for client recording for the present invention;
Figure 10 realizes the 9th embodiment flow chart of the method for client recording for the present invention;
Figure 11 realizes the tenth embodiment flow chart of the method for client recording for the present invention;
Figure 12 realizes the 11 embodiment flow chart of the method for client recording for the present invention;
Figure 13 realizes the embodiment block diagram of the system of client recording for the present invention;
Figure 14 realizes the first embodiment block diagram of the controlled entity of client recording for the present invention;
Figure 15 realizes the second embodiment block diagram of the controlled entity of client recording for the present invention;
Figure 16 realizes the 3rd embodiment block diagram of the controlled entity of client recording for the present invention;
Figure 17 realizes the 4th embodiment block diagram of the controlled entity of client recording for the present invention.
Embodiment
The embodiment of the invention provides a kind of method, system and controlled entity of realizing client recording, reception comprises the recording task of the sign of media content and client recording entity or user's sign, controls described client recording entity according to described recording task and records described media content.
Introduce several basic conceptions of the present invention below:
Record the initiation entity, be used for submitting recording task to recording control entity, recording control entity carries out service contracting inspection and record to recording task, finishes the process of setting up of recording task.
Need to prove that recording task can be that subscriber equipment is submitted to, also can be network configuration; Record the initiation entity and can be subscriber equipment, also can be the network entity of store network configuration data; Recording control entity can be PVR-SCF or other controlled entities.
In embodiments of the present invention, record the initiation user that entity belonged to and initiate the user for recording; Record and initiate entity and record the initiation user, can be referred to as and record the initiator.
Recording control entity can be according to received recording task control client recording entity recording medium content.
Medium provide entity to be used for providing media content to the client recording entity, promptly can be media servers, also can be subscriber equipmenies.
The client recording entity receives and records the Media Stream that entity is provided from medium; The user that the client recording entity is belonged to is the client recording user; Client recording entity and client recording user can be referred to as client recording side.
The present invention realize client recording method the first embodiment flow process as shown in Figure 2:
Step 201: reception comprises the sign of recorded content and the recording task of client recording square mark.
Wherein, recording task can be the recording task of subscriber equipment transmission or the recording task of network entity transmission.
Further, recording task can also comprise recording time information, records initiator's sign, record parameter information or record ability information etc.; Client recording square mark wherein can be client recording entity or user's a sign; Recording initiator's sign can be to record the sign of initiating entity or user.
Step 202: record this media content according to recording task control client recording entity.
According to the sign of media content in the recording task and/or client recording entity or user's sign, set up content delivery channel, described client recording entity receives and records described media content by described content delivery channel control.
Describe the detailed process of setting up recording task in the method that the present invention realizes client recording in detail below by several embodiment.
The present invention realize client recording method the second embodiment flow process as shown in Figure 3, record initiation entity and client recording entity among this embodiment and be UE, the recoding service controlled entity is PVR-SCF, this embodiment shows in detail the user and submits recording task to by UE, and the process of the recording task foundation of certain programme content of watching or being about to begin is recorded in request by this UE:
Step 301:UE submits recording task to PVR-SCF.
When submitting recording task to, UE can pass through HTTP (Hypertext TransportProtocol, HTML (Hypertext Markup Language)) mode and register recording task, and submits to PVR-SCF; Also recording task can be carried at and submit to PVR-SCF in the message, message can be SIP (Session Initiation Protocol, session initiation protocol) MES SAGE message, INVITE, SUBSCRIBE message, INFO or REFER message etc.When submitting recording task to by sip message, the message between UE and the PVR-SCF can transmit as P-CSCF (Call Session Control Function, CSCF) or S-CSCF by the entity route in the IMS system.
The necessary sign that comprises recorded content sign and client recording side in the recording task, the recorded content sign is used to represent that the user wishes content, channel, program or the business of recording; The client recording square mark is represented the user or the equipment of memory contents, the user of client recording side is identical with the user who records the initiator in the present embodiment, the equipment of storage program recording is the UE equipment that this user had, this moment, the client recording square mark can be user's sign, as IMPU (IPMultimedia Public Identity, public user identity sign).
Optionally, can also comprise recording time information in the recording task, record initiator's user ID, CPVR (video recording of client individual video, Client-Personal Video Recorder) content identification, channel information, recording terminal ability information, record parameter information etc.Wherein, recording time information comprises zero-time, the termination time of recording or records duration, for example, begins to record the program of watching from current time, and then zero-time is " NOW ", records the termination time or records duration and also can not do setting; Recording the initiator identifies expression and initiates the terminal record or the sign of institute's home subscriber; The media content recorded is represented in the CPVR content identification, and the user can check programme content by this sign; Channel information comprises one of following at least or its combination: multicast address, port information, the media parameter information of the BC channel correspondence that user expectation is recorded; The recording terminal ability information comprises the information of its practical capacities of expression such as recording terminal residual memory space; Record parameter information and represent the recorded content media information, for example information such as code/decode type or form.
Step 302:PVR-SCF receives signatory inspection of the laggard industry affair of recording task.
After PVR-SCF reads information in the recording task, judge: record and initiate the user control of authority client recording terminal is not only arranged according to recording the information of initiating user and client recording user; Whether the client recording user has authority to record the media content of being asked.Further, PVR-SCF can also and record parameter information according to recording time information and draw and record the required storage size of this content, perhaps judge whether the recording and storing terminal has enough spaces to carry out media record according to recording ability information, and inquire about and obtain and record parameter information to other entity when not providing in the recording task when recording parameter information.After service contracting had checked, PVR-SCF can write down this recording task.
Step 303: recording task is set up back PCR-SCF and is returned recording task submission response to UE.If PVR-SCF obtains recording requisite space information in the step 302, then in the response of this step, also carry memory space and reserve indication information, comprise in the information: the indication of a reserved storage space, and the size of required headspace.
The present invention realize client recording method the 3rd embodiment flow process as shown in Figure 4, recording among this embodiment and initiating entity is UE1, the client recording entity is UE2, the recoding service controlled entity is PVR-SCF, this embodiment shows in detail the user and submits recording task to by UE1, and the process of the recording task foundation of certain programme content of watching or being about to begin is recorded in request by remote equipment UE2:
Step 401:UE1 submits recording task to PVR-SCF.
Submit to and to describe similarly in the mode of recording task and information that recording task carries and the step 301, do not repeat them here.
Need to prove that UE1 in the present embodiment and UE2 can belong to same user, also can belong to different user.
Step 402:PVR-SCF receives signatory inspection of the laggard industry affair of recording task.
PVR-SCF mainly checks and records the storage terminal whether initiator user has control of authority client recording side.Concrete service contracting checking process and step 302 are described similar, do not repeat them here.
The recording time information that PVR-SCF also may provide in recording task according to UE and record parameter information and draw and record the required storage size of this content.If do not provide in the recording task and record parameter information, then PVR-SCF also may dynamically initiate inquiry and obtain parameter information (as code/decode type) to other entities; After inspection was passed through, PVR-SCF write down recording task.
Step 403:PVR-SCF and UE2 are mutual, carry out the recording terminal telemanagement.
PVR-SCF initiates the telemanagement request according to the client recording square mark in the recording task to UE2, this operation can be finished following function: 1) reserve in remote recording terminal UE 2 and record requisite space, and the usage policy in space etc., for example PVR-SCF can comprise the indication of a reserved storage space in the telemanagement request, and the size information of reserved storage space, also may comprise the indication of space usage policy, cover former meaningful etc. during as memory space inadequate; 2) recording task issues, and promptly PVR-SCF just is handed down to recording task the recording and storing terminal when recording task is submitted to, and follow-up also the startup by the terminal management task recorded.
PVR-SCF also may obtain the state information of UE2 to the entity inquiry of preserving user terminal information, as Presence Server, checks whether UE2 is online, or whether the memory space of enough recording this program etc. is arranged on the UE2.
Need to prove that step 403 is optional.
Step 404: recording task is set up back PCR-SCF and is returned recording task submission response to UE.Need to prove that step 404 is optional.
The present invention realize client recording method the 4th embodiment flow process as shown in Figure 5, record initiation entity and client recording entity among this embodiment and be UE, the recoding service controlled entity is PVR-SCF, this embodiment shows in detail the user and uses UE to submit recording task to by BC-SCF, and the process of the recording task foundation of certain programme content of watching is recorded in request by this UE:
Step 501:UE submits recording task to BC-SCF.
Submit to and to describe similarly in the mode of recording task and information that recording task carries and the step 301, do not repeat them here.
Need to prove that the BC-SCF in the present embodiment also can be COD-SCF.
Step 502:BC-SCF transmits recording task to PVR-SCF.
BC-SCF can pass through SIP MESSAGE message, INVITE or INFO and transmit recording task.
Step 503:PVR-SCF receives signatory inspection of the laggard industry affair of recording task.
Service contracting checking process and step 302 are described similar.
Step 504: recording task is set up back PCR-SCF and is returned recording task submission response to BC-SCF.
Step 505:BC-SCF transmits recording task to UE and submits response to.
Describe the detailed process of recording this media content in the method that the present invention realizes client recording according to recording task control client recording entity in detail below by several embodiment.
The present invention realize client recording method the 5th embodiment flow process as shown in Figure 6, the client recording entity is that multicast replication point, recoding service controlled entity are PVR-SCF for UE, medium provide entity among this embodiment.This embodiment shows in detail PVR-SCF according to mutual between recording task triggering BC-SCF that has set up and the UE, makes UE and BC-SCF consult to set up the detailed process of content delivery channel:
Step 601:PVR-SCF sends to record to BC-SCF and starts request.
PVR-SCF sends record startup request by the IMS system to BC-SCF according to sign of the recorded content in the recording task and client recording square mark, and this message is used to trigger BC-SCF and UE consults to set up content delivery channel.When specific implementation, record that to start request can be REFER message among the SIP or MESSAGE message etc.
Record to start and to carry in the following information one or more in the request: recording and storing terminal or user's sign.Be the UE sign in the present embodiment, or the user's that UE belonged to sign; The PVR-SCF sign can be the service identification of PVR-SCF generation or the sign of PVR-SCF entity.Recorded content sign recording time information and record the initiation user ID is all consistent with this information of comprising in the recording task; The professional indication information of CPVR, this is the CPVR business to be used to indicate UE, need carry out recording and storing to the media content of receiving.
Step 602:BC-SCF sends session to UE and sets up request.
BC-SCF starts client recording side's user ID of comprising in the request message, records in initiator's user ID and the PVR-SCF sign one or more according to recording of sending of PVR-SCF, judge that the user has the service authority of watching the BC channel, authentication by the back according to from the recording and storing user ID of PVR-SCF acquisition or recording and storing terminal iidentification (also can both obtain), set up the INVITE request to recording and storing terminal UE initiation session, consult to set up content delivery channel.
BC-SCF can carry the multicast replication dot information of preserving in advance in this INVITE, this information is specially multicast address or multicast address and the port that recorded content is provided, can also carry the professional indication information of CPVR in this message, and the recording time information of obtaining from PVR-SCF etc.
Step 603:UE returns session to BC-SCF and sets up response message.
After UE receives INVITE, can therefrom obtain the information of multicast replication point, return response message to BC-SCF then and (for example, 200OK), can carry in this response message and consult to reply.
Step 604: content delivery channel is set up and is finished.
Need to prove, if record the COD business by the foregoing description, then BC-SCF is replaced with COD-SCF, medium provide that entity is corresponding to replace with COD-MF by the multicast replication point.
The present invention realize client recording method the 6th embodiment flow process as shown in Figure 7, the client recording entity is that UE, recoding service controlled entity are PVR-SCF among this embodiment.This embodiment shows in detail PVR-SCF according to mutual between recording task triggering UE that has set up and the BC-SCF, makes UE and BC-SCF consult to set up the detailed process of content delivery channel:
Step 701:PVR-SCF sends to record to UE and starts request.
PVR-SCF sends record startup request by the IMS system to UE according to sign of the recorded content in the recording task and client recording square mark, and this request is used to trigger UE and BC-SCF consults to set up content delivery channel.When specific implementation, record that to start request can be REFER message among the SIP or MESSAGE message etc.
Wherein, PVR-SCF carries recording task information (comprising recording time information, recorded content sign etc.) in recording the startup request, and also may carry the professional indication information of CPVR.
PVR-SCF also may carry out recording terminal telemanagement operation to UE in addition, and for example reserved storage space is indicated the space usage policy, and issued recording task etc., referring to describing among the embodiment three.
Step 702:UE sends session to BC-SCF and sets up request.
UE (comprises recorded content sign, channel information, records parameter information etc. from the recording task information that PVR-SCF obtains, the description of recording task information in the reference example two) extracts corresponding network parameter in, set up the INVITE request to the BC-SCF initiation session, the content delivery passage is set up in negotiation, this flow process and BC business to set up flow process consistent.
Also may carry in the following sign one or more in the session request of setting up: record and initiate user ID, client recording user ID and PVR-SCF sign.
If UE can't obtain to be used for the network parameter of session negotiation from the recording task of PVR-SCF transmission, UE also may initiatively store server (for example SCF, SSF) the acquisition request network parameter of corresponding channel network parameter in network.
Step 703:BC-SCF receives from the session of UE and sets up request, during BC-SCF may identify according to the recording and storing user ID of obtaining from INVITE, client recording user ID and PVR-SCF one or more, judge that the user has the service authority of watching the BC channel, return session to UE and set up response message.
Step 704: content delivery channel is set up and is finished.
Step 705:UE sends and adds the multicast group request, and the beginning of multicast replication point sends Media Stream to UE, and UE records the media content of receiving.
Step 706:UE judges that according to recording time information recording the concluding time arrives, so send the conversation end request to BC-SCF.
Step 707:BC-SCF returns response, and session stops, and content delivery channel is removed.
Need to prove, if record the COD business by the foregoing description, then BC-SCF is replaced with COD-SCF, medium provide entity to should be COD-MF mutually.
The present invention realize client recording method the 7th embodiment flow process as shown in Figure 8, the client recording entity is that multicast replication point, recoding service controlled entity are PVR-SCF for UE, medium provide entity among this embodiment.It is mutual with UE and BC-SCF respectively according to the recording task of setting up that present embodiment shows PVR-SCF, sets up content delivery channel, and recording the detailed process that finishes this passage of back dismounting:
Step 801:PVR-SCF sends session to BC-SCF and sets up request.
PVR-SCF sends session according to the recorded content sign that comprises in the recording task to BC-SCF and sets up the INVITE request, be used to ask the multicast replication dot information, can also carry in this message to record and initiate user ID, client recording user ID, PVR-SCF sign, recording time information etc.
Step 802:BC-SCF returns session to PVR-SCF and sets up response message.
After BC-SCF receives INVITE, initiate user ID, client recording user ID according to recording of receiving, one or more of PVR-SCF sign, judge that the user has the service authority of watching the BC channel, authentication (is for example returned response message by the back to PVR-SCF, 200OK), can carry the multicast replication dot information in this response message, this information is specially multicast address or multicast address and the port that recorded content is provided.
Step 803:PVR-SCF sends session to UE and sets up request.
PVR-SCF obtains the multicast replication dot information from the response message that receives, and sends session foundation request INVITE according to the client recording square mark in the recording task to UE.
Comprise the multicast replication dot information in the INVITE, also may comprise the professional indication information of CPVR, and recording time information etc., make UE to control the beginning and the end of recording according to recording time.
Step 804:UE returns session to PVR-SCF and sets up response message.
After UE receives INVITE, can therefrom obtain the information of multicast replication point, return response message to PVR-SCF then and (for example, 200OK), can carry in this response message and consult to reply.
Step 805: content delivery channel is set up and is finished.
Step 806:UE records the Media Stream from multicast replication point.
UE records the Media Stream from this multicast replication point after UE adds this multicast group according to the request of the multicast group address that obtains to this multicast group of multicast replication point initiation adding.
Step 807:PVR-SCF sends the conversation end request to UE.
When PVR-SCF judges that according to the information in the recording task concluding time is recorded in arrival, then send conversation end request BYE message to UE, this message is used to ask UE to stop recording.
Step 808:PVR-SCF sends the conversation end request to BC-SCF.
Step 809:UE removes content delivery channel.
UE sends the request leave this multicast group according to multicast group address to multicast replication point, when UE leave this master incessantly after then the content delivery channel dismounting finish, record termination.
The present invention realize client recording method the 8th embodiment flow process as shown in Figure 9, the client recording entity is that COD-MF, recoding service controlled entity are PVR-SCF for UE, medium provide entity among this embodiment.It is mutual with UE and COD-SCF respectively according to the recording task of setting up that present embodiment shows PVR-SCF, makes and set up content delivery channel between UE and the COD-MF, and recording the detailed process that finishes this passage of back dismounting:
Step 901:PVR-SCF sends session to COD-SCF and sets up request.
PVR-SCF sends session according to the recorded content sign that comprises in the recording task to COD-SCF and sets up the INVITE request, can also carry in this message to record and initiate user ID, client recording user ID, PVR-SCF sign, recording time information or according to recording content delivery channel information that parameter information provides or control channel information etc.; COD-SCF initiates user ID, client recording user ID according to recording of receiving, one or more of PVR-SCF sign judge that the user has the service authority of watching the BC channel, and authentication is by back execution in step 902.
Step 902:COD-SCF transmits session to COD-MF and sets up request.
Step 903:COD-MF returns session to COD-SCF and sets up response message.
COD-MF sets up the request INVITE according to session, (for example return response message to COD-SCF, 200OK), carry replying of content delivery channel or control channel in this message, can comprise one of following information or combination in replying at least: the transmission address of content delivery channel and the address and the port of port or control channel.
Step 904:COD-SCF transmits session to PVR-SCF and sets up response message.
Step 905:PVR-SCF sends session to UE and sets up request.
PVR-SCF obtains content delivery channel or control channel from response message information or both carry, PVR-SCF sends session according to the client recording square mark in the recording task to UE and sets up the request INVITE, and the information or the both that comprise above-mentioned content delivery channel that has obtained or control channel in this message carry.PVR-SCF can also carry the professional indication information of CPVR in INVITE, and the recording time information of obtaining from PVR-SCF etc.
Perhaps, PVR-SCF can carry control channel information in INVITE, so that set up the control channel between PVR-SCF and the UE, follow-up PVR-SCF sends message by this control channel according to the recording time information in the recording task, control UE records Media Stream, and PVR-SCF also can utilize this control channel indication UE that the Media Stream that receives is carried out recording and storing.
Step 906:UE returns session to PVR-SCF and sets up response message.
UE returns the 200OK response message to PVR-SCF obtain information from session foundation request INVITE after.UE can carry the content delivery channel information of replying COD-MF or control channel information or both and carry in this response message, perhaps carry the control channel information of replying PVR-SCF.
Step 907:PVR-SCF sends session to COD-SCF and sets up request.
PVR-SCF obtains this UE and replys the content delivery channel information of COD-MF or control channel information or both and carry from the response message that UE returns, send the session that comprises above-mentioned information to COD-SCF and set up request.
Step 908:COD-SCF transmits session to COD-MF and sets up request.
Step 909 is to step 910: similar with step 903 to step 904, do not repeat them here.
Set up content delivery channel between step 911:UE and the COD-MF.
Set up control channel between step 912:UE and the COD-MF.
UE except and COD-MF between set up the control channel can also and PVR-SCF between set up control channel.
Step 913:UE records the Media Stream from COD-MF.
UE utilizes control channel directly to start the message of recording to the COD-MF transmission, and (for example, PLAY), indication COD-MF sends Media Stream; Perhaps, UE is according to recording start time information, or the control messages recorded of the startup that sends by control channel of PVR-SCF, sends to COD-MF by the control channel of setting up to start the message of recording, and indication COD-MF sends Media Stream.
Step 914:UE sends the conversation end request to PVR-SCF.
UE is according to the termination time information of recording in the recording task, or according to the control messages that the termination that PVR-SCF is sent by control channel is recorded, and judges to record to stop the back and send the conversation end request to PVR-SCF; Perhaps when the user wishes to stop recording immediately, utilize control channel to send the message that termination is recorded to COD-MF, indication COD-MF stops media stream.After COD-MF stopped media stream, UE sent conversation end request BYE message to PVR-SCF.
Step 915:PVR-SCF transmits the conversation end request to COD-SCF.
Step 916:COD-SCF transmits the conversation end request to COD-MF.
Content delivery channel between step 917:UE dismounting and the COD-MF.
Control channel between step 918:UE dismounting and the COD-MF.
The present invention realize client recording method the 9th embodiment flow process as shown in figure 10, the client recording entity is that COD-MF, recoding service controlled entity are PVR-SCF for UE, medium provide entity among this embodiment.Be with the difference of embodiment eight shown in Figure 9, present embodiment is that another kind of PVR-SCF is mutual with UE and COD-SCF respectively according to the recording task of setting up, make and set up content delivery channel between UE and the COD-MF, and recording the detailed process that finishes this passage of back dismounting:
Step 1001:PVR-SCF sends session to UE and sets up request.
PVR-SCF sets up the request INVITE according to the client recording square mark in the recording task to the UE initiation session, and session is set up in request.Can comprise in this INVITE and record parameter information, content delivery channel information or control channel information or the both carries.PVR-SCF also may carry the professional indication information of CPVR in INVITE.
PVR-SCF also may carry out recording terminal telemanagement operation to UE in addition, and for example reserved storage space is indicated the space usage policy, and issued recording task etc., sees for details among the embodiment three and describes.
Step 1002:UE returns session to PVR-SCF and sets up response message.
UE returns the 200OK response message to PVR-SCF obtain information from session foundation request INVITE after.Carrying content delivery channel information that UE provides or control channel information or both in this 200OK response message carries.
Step 1003:PVR-SCF sends session to COD-SCF and sets up request.
PVR-SCF identifies according to the recorded content in the recording task, send session by the IMS system to COD-SCF and set up the request INVITE, having comprised content delivery channel information that UE provides or control channel information or both in this INVITE carries, also may carry one or more of following sign in this message: record and initiate user ID, client recording user ID, the PVR-SCF sign.COD-SCF initiates user ID, client recording user ID according to recording of receiving, one or more of PVR-SCF sign judge that the user has the service authority of watching the BC channel, and authentication is by back execution in step 1004.
Step 1004:COD-SCF is forwarded to COD-MF with the session request of setting up.
Step 1005:COD-MF returns session to COD-SCF and sets up response message.
After COD-MF receives session foundation request INVITE, return the 200OK response message to COD-SCF, carried in this 200OK response message that COD-MF replys the negotiation of content delivery channel information or control channel information or the both carries, for example the transmission address and the port of the address of control channel and port, content delivery channel.
Step 1006:COD-SCF sets up response message with session and is forwarded to PVR-SCF.
Step 1007:PVR-SCF sends session to UE and sets up request.
PVR-SCF obtains replying of content delivery channel information that COD-MF provides and/or control channel information from the 200OK response message, reply to UE according to this and send the INVITE request, has comprised above-mentioned response message in this INVITE request.
Perhaps, PVR-SCF can carry control channel information in INVITE, so that set up the control channel between PVR-SCF and the UE, follow-up PVR-SCF sends message by this control channel according to the recording time information in the recording task, control UE records Media Stream, and PVR-SCF also can utilize this control channel indication UE that the Media Stream that receives is carried out recording and storing.
Step 1008:UE returns session to PVR-SCF and sets up response message.
Step 1009 is to step 1011: similar with step 911 to step 913, do not repeat them here.
Step 1012:COD-MF sends the conversation end request to COD-SCF.
Step 1013:COD-SCF transmits the conversation end request to PVR-SCF.
Step 1014:PVR-SCF sends the conversation end request to UE.
Step 1015 is to step 1016: similar with step 917 to step 918, do not repeat them here.
The present invention realize client recording method the tenth embodiment flow process as shown in figure 11, the client recording entity is that multicast is recorded point, the recoding service controlled entity is PVR-SCF for UE, medium provide entity among this embodiment.Present embodiment shows UE when BC-SCF submits recording task to, and the detailed process of content delivery channel is set up in PVR-SCF control:
Step 1101:UE submits recording task to BC-SCF.
Submit to and to describe similarly in the mode of recording task and information that recording task carries and the step 301, do not repeat them here.
Step 1102:BC-SCF sends session to PVR-SCF and sets up request.
BC-SCF receives and sends session to PVR-SCF behind the recording task and set up the request INVITE, the information of carrying multicast replication point in this INVITE, and the recording task that obtains from UE.
Step 1103:PVR-SCF receives session and sets up signatory inspection of the laggard industry affair of request.
Step 1104:PVR-SCF sends session to UE and sets up request.
PVR-SCF sets up in the request INVITE to the session that UE sends can comprise multicast replication dot information and recording task information.
Step 1105:UE returns session to PVR-SCF and sets up response message.
Step 1106:PVR-SCF returns session to BC-SCF and sets up response message.
Step 1107:UE is according to setting up content delivery channel between multicast replication dot information that obtains and the multicast replication point.
Follow-up UE obtains media content and records from the multicast replication point, and similar in the description of recording the process of removing content delivery channel after finishing and previous embodiment, and present embodiment repeats no more.
Describe the detailed process when abnormal conditions occurring in the method that the present invention realizes client recording in detail below by an embodiment.
The present invention realize client recording method the 11 embodiment flow process as shown in figure 12, this embodiment is on the basis of the 7th embodiment, show when recording process and occur when unusual, process before the mutual detailed process between UE and the multicast replication point, present embodiment step 1201 consistent with shown in Fig. 8:
Step 1201:UE sends session change request to PVR-SCF.
UE when needs time-outs such as finding memory space inadequate or other reason is recorded, then sends session change request to PVR-SCF in recording process, comprise control and content delivery channel information in the request.
Step 1202:PVR-SCF sends session change request to BC-SCF.
PVR-SCF comprises control and the content delivery channel information that obtains from UE in the session change request that BC-SCF sends.
Step 1203:BC-SCF sends session to MF and sets up request.
It is that the content that UE has not recorded is carried out buffer memory that BC-SCF selects MF, therefore sends session to MF and sets up request, carries control and content delivery channel information in this request.
Step 1204:MF returns session to BC-SCF and sets up response message.
MF has carried control and content delivery channel information that MF replys in the response message that BC-SCF returns.
Step 1205:BC-SCF returns session change response to PVR-SCF.
Carry control and the content delivery channel information that MF replys in the session change response that BC-SCF returns.
Step 1206:PVR-SCF returns session change response to UE.
PVR-SCF carries control and the content delivery channel information that MF replys in the session change response that UE returns.
Step 1207:UE sends the request of leaving multicast group to multicast replication point.
Set up content delivery and control channel between step 1208:UE and the MF.
UE can control recording of Media Stream by control channel, also can send to suspend to record or stop record command etc.
More than among all embodiment, PVR-SCF and BC-SCF, PVR-SCF and COD-SCF may close and be made as same entity or be independent entity, when closing when being made as unified SCF, all PVR-SCF and BC-SCF in the above embodiment flow process, or mutual between PVR-SCF and the COD-SCF be that entity is alternately inner.
The embodiment of method that realizes client recording with the present invention is corresponding, and the present invention also provides and realized the system of client recording and the embodiment of controlled entity.
The present invention realize client recording system the embodiment block diagram as shown in figure 13, this system comprises: record and initiate entity 1310, recording control entity 1320, client recording entity 1330 and medium entity 1340 is provided.
Record and initiate entity 1310 to described recording control entity 1320 transmission recording tasks, comprise the sign of media content and client recording entity or user's sign in the described recording task, after recording control entity 1320 receives described recording task, control described client recording entity 1330 according to described recording task the described media content that described medium provide entity 1340 to provide is provided.
Further, recording control entity 1320 can also be after receiving recording task, when judging that the described initiation entity 1310 of recording has the described client recording entity 1330 of control of authority to record described media content, and/or judge when described client recording entity 1330 has authority to record described media content, carry out again and describedly control the operation that described client recording entity 1330 is recorded described media content according to described recording task.
The present invention realize client recording controlled entity the first embodiment block diagram as shown in figure 14, this controlled entity comprises: receiving element 1410 and control unit 1420.
Wherein, receiving element 1410 receives recording task, comprises the sign of media content and client recording entity or user's sign in the described recording task, and control unit 1420 is controlled described client recording entity according to described recording task and recorded described media content.
The present invention realize client recording controlled entity the second embodiment block diagram as shown in figure 15, this controlled entity comprises: receiving element 1510, judging unit 1520, performance element 1530 and control unit 1540.
Wherein, receiving element 1510 receives recording task, comprises the sign of media content and the sign of client recording entity in the described recording task; Judging unit 1520 judges whether the described initiation entity of recording has the described client recording entity of control of authority to record described media content; Judging unit 1520 can also judge whether described client recording entity has authority to record described media content; Performance element 1530 is having the described client recording entity of control of authority to record described media content when recording the initiation entity, or described client recording entity is when having authority to record described media content, trigger described control unit 1540 and carry out described controlled function, control unit 1540 is controlled described client recording entity according to described recording task and is recorded described media content.
The present invention realize client recording controlled entity the 3rd embodiment block diagram as shown in figure 16, this controlled entity comprises: receiving element 1610, control unit 1620.
Wherein, receiving element 1610 is used to receive recording task, comprises the sign of media content and client recording entity or user's sign in the described recording task;
Set up unit 1621, be used for, trigger and set up content delivery channel according to the sign of recording task recorded content and/or client recording entity or user's sign; Recording elements 1622 is used for controlling described client recording entity by described content delivery channel and receives and record described media content; End unit 1623 is used for when recording end, the deletion content delivery channel.
The present invention realize client recording controlled entity the 4th embodiment block diagram as shown in figure 17, this controlled entity comprises: receiving element 1710, control unit 1720.
Wherein, receiving element 1710 is used to receive recording task, comprises the sign of media content and the sign of client recording entity in the described recording task;
Control unit 1720 comprises:
Set up unit 1721, be used for, trigger and set up delivery channel according to the sign of recording task recorded content and/or client recording entity or user's sign; Recording elements 1722 is used for controlling described client recording entity by described biography content delivery channel and receives and record described media content; Anomaly unit 1723 is used for deleting described content delivery channel when recording when unusual; The described unit 1721 of setting up also is used for, and sets up transmission channel between described client recording entity and media buffer entity; Buffer unit 1724 is used for controlling the described described media content of media buffer entity buffer memory or receiving the record command that described client recording entity sends by described transmission channel.
Description by the embodiment of the invention receives the recording task of the sign of the sign that comprises media content and client recording entity as can be known in the embodiment of the invention, control described client recording entity according to described recording task and record described media content.Use the embodiment of the invention,, improved the user experience of using based on the IPTV of IMS when professional by mutual the recording of realizing client between each entity in the network.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise the steps: to collect user's business information, according to the QOE parameter acquiring physical layer target component of each business information correspondence; Receive described user's circuit operation information, described circuit operation information comprises test parameter and the circuit target component of storing in advance; Described physical layer target component and described circuit operation information as the input parameter of minimum power algorithm, are obtained the optimization power spectrum by minimum power algorithm.Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (16)
1. a method that realizes client recording is applied to it is characterized in that in the IMS Based IPTV system, comprising:
Reception comprises the request of recording task, comprises the sign of recorded content and the sign of client recording entity in the described recording task;
Control described client recording entity according to the sign of the sign of described recorded content and described client recording entity and record described media content.
2. method according to claim 1 is characterized in that, described reception recording task comprises: receive the recording task that subscriber equipment sends, or receive the recording task that network entity sends.
3. method according to claim 1 is characterized in that, described method also comprises:
Judge whether described client recording entity has authority to record described media content.
4. method according to claim 1 is characterized in that, described method also comprises: judge whether the described initiator of recording has the described client recording entity of control of authority to record described media content.
5. method according to claim 1 is characterized in that, describedly controls described client recording entity according to recording task and records described media content and comprise:
According to the sign of described recorded content and/or the sign of described client recording entity, trigger and set up content delivery channel;
Described client recording entity receives and records described media content by described content delivery channel.
6. method according to claim 5 is characterized in that, described triggering is set up content delivery channel and comprised:
Send the request carry the professional indication information of CPVR to the client recording entity, described indication information is used to the media content of indicating the client recording entity stores to receive.
7. method according to claim 5 is characterized in that, comprises recording time information in the described recording task, and described method also comprises:
Send the message that comprises described recording task to the client recording entity;
The client recording entity initiates to consult to set up content delivery channel according to described recording task.
8. according to any described method of claim 1 to 7, it is characterized in that, also comprise in the described recording task: the initiator that records of recording time information, the described recording task of transmission identifies, records parameter information or record ability information.
9. according to any described method of claim 1 to 7, it is characterized in that described method also comprises:
Sign according to described client recording entity is initiated the telemanagement request to described client recording entity, comprises the reserved storage space indication in the described telemanagement request, is used to indicate described client recording entity to carry out memory space and reserves.
10. realize the system of client recording in the IMS Based IPTV system, it is characterized in that, comprising: record and initiate entity, recording control entity,
The described initiation entity of recording is used for sending recording task to described recording control entity, comprises the sign of recorded content and the sign of client recording entity in the described recording task;
Described recording control entity, be used to receive described recording task after, control described client recording entity according to the sign of the sign of described recorded content and described client recording entity and record described media content.
11. a recording control entity is characterized in that, comprising:
Receiving element is used to receive recording task, comprises the sign of recorded content and the sign of client recording entity in the described recording task;
Control unit is used for controlling described client recording entity according to the sign of the sign of described recorded content and client recording entity and records described media content.
12. recording control entity according to claim 11 is characterized in that, also comprises:
Judging unit is used for judging whether record the initiation entity has the described client recording entity of control of authority to record described media content.
13. recording control entity according to claim 12 is characterized in that, described judging unit is used to also judge whether described client recording entity has authority to record described media content.
14. recording control entity according to claim 11 is characterized in that, described control unit comprises:
Set up the unit, be used for sign and/or client recording entity square mark, trigger and set up content delivery channel according to the recording task recorded content;
Recording elements is used for described client recording entity and receives and record described media content by described content delivery channel.
15. recording control entity according to claim 14 is characterized in that, described control unit also comprises:
End unit is used for discharging described content delivery channel when recording end.
16. recording control entity according to claim 14 is characterized in that, described control unit also comprises:
Suspend the unit, be used for when the needs time-out is recorded, discharging described content delivery channel;
The described unit of setting up also is used for, and triggers and sets up transmission channel;
Buffer unit is used for controlling the described described media content of media buffer entity buffer memory or receiving the record command that described client recording entity sends by described transmission channel.
Priority Applications (2)
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| CN200810212006XA CN101674470B (en) | 2008-09-09 | 2008-09-09 | Method and system for implementing client recording and recording control entity |
| PCT/CN2009/073821 WO2010028591A1 (en) | 2008-09-09 | 2009-09-09 | Method and system for realizing recording in client terminal, and recording control entity |
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| CN200810212006XA CN101674470B (en) | 2008-09-09 | 2008-09-09 | Method and system for implementing client recording and recording control entity |
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| CN101674470B true CN101674470B (en) | 2011-11-16 |
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| WO (1) | WO2010028591A1 (en) |
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| CN102256166A (en) * | 2011-07-19 | 2011-11-23 | 中兴通讯股份有限公司 | Method and system for realizing personalized authority control of IPTV (Internet Protocol Television) private video recorder |
| AU2012384782B2 (en) | 2012-07-04 | 2016-01-28 | Huawei Technologies Co., Ltd. | Method, device and system for recording multimedia data |
| CN104918101B (en) * | 2015-06-01 | 2019-09-13 | 天脉聚源(北京)传媒科技有限公司 | A kind of method, playback terminal and the system of automatic recording program |
| CN107094268B (en) * | 2017-03-27 | 2021-02-26 | 海信视像科技股份有限公司 | Program scheduled recording control method and device |
| CN114885187B (en) * | 2022-06-23 | 2023-08-08 | 深圳市必提教育科技有限公司 | Live broadcast playback method and system for online education |
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| WO2006011401A1 (en) * | 2004-07-27 | 2006-02-02 | Sony Corporation | Information processing device and method, recording medium, and program |
| CN1863306A (en) * | 2005-09-09 | 2006-11-15 | 华为技术有限公司 | Method for implementing vidio recording and set-top-box |
| CN101022524A (en) * | 2006-02-14 | 2007-08-22 | 华为技术有限公司 | Method and system for realizing multimedia recording via II.248 protocol |
| CN101179702A (en) * | 2007-12-03 | 2008-05-14 | 中兴通讯股份有限公司 | Real time recording method of IPTV living broadcast television |
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| BRPI0621350A2 (en) * | 2006-02-24 | 2012-10-09 | Ericsson Telefon Ab L M | method for providing an ims-enabled control channel for an iptv service, ims-enabled control channel for an iptv service, and computer program code |
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- 2008-09-09 CN CN200810212006XA patent/CN101674470B/en not_active Expired - Fee Related
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| WO2006011401A1 (en) * | 2004-07-27 | 2006-02-02 | Sony Corporation | Information processing device and method, recording medium, and program |
| CN1863306A (en) * | 2005-09-09 | 2006-11-15 | 华为技术有限公司 | Method for implementing vidio recording and set-top-box |
| CN101022524A (en) * | 2006-02-14 | 2007-08-22 | 华为技术有限公司 | Method and system for realizing multimedia recording via II.248 protocol |
| CN101179702A (en) * | 2007-12-03 | 2008-05-14 | 中兴通讯股份有限公司 | Real time recording method of IPTV living broadcast television |
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