CN102137293A - Resource allocation method, user business terminal and head end system of streaming media service - Google Patents
Resource allocation method, user business terminal and head end system of streaming media service Download PDFInfo
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- CN102137293A CN102137293A CN2010106197918A CN201010619791A CN102137293A CN 102137293 A CN102137293 A CN 102137293A CN 2010106197918 A CN2010106197918 A CN 2010106197918A CN 201010619791 A CN201010619791 A CN 201010619791A CN 102137293 A CN102137293 A CN 102137293A
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64322—IP
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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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
- H04N21/47202—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 requesting content on demand, e.g. video on demand
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a resource allocation method, a user business terminal and a head end system of streaming media service. The method comprising the steps of judging whether current time surpasses out-of-service time of the streaming media service when the streaming media service is in a service state; setting the service state of the streaming media service to be failure if the current time surpasses the out-of-service time of the streaming media service, and recording the information of suspension of the streaming media service; and sending a requirement of stopping broadcasting to the head end system so as to request the head end system to stop allocating resources to the streaming media service. According to the embodiment of the invention, when a user switches off a playing terminal, or departs for a long time without watching the contents of a streaming medium, the streaming media service is judged to be failure, so that the head end system stops broadcasting the streaming medium to the user business terminal so as to save the occupancy of the playing terminal on system resources.
Description
Technical field
The present invention relates to the streaming media communication technical field, particularly the resource allocation method of streaming media service, customer service terminal and head-end system.
Background technology
Along with the enhancing of people to the audiovisual entertainment needs, relevant with Streaming Media is professional developed, at present in different field, multiple streaming media service form has appearred in covering at networks of different type, comprise: IPTV (internet protocol Television, Internet Protocol Television), DTV (Digital Television, Digital Television), MTV (Mobile Television, mobile TV) etc.
Stream media service system comprises head-end system, customer service terminal (for example: set-top box, PC main frame) and playback terminal (for example: television set, display).Wherein, head-end system mainly comprises the streaming media server and the network equipment, and streaming media server is used to provide broadcasting of Streaming Media, and the network equipment provides the transmission of Streaming Media; The customer service terminal receiving stream media and the output stream medium of decoding are to playback terminal; Playback terminal broadcasts streaming medium content.In the prior art, in each streaming media service process, the capital forms resource occupation to head-end system and customer service terminal, and these resources comprise physical resources such as CPU, internal memory, hard disk, port, the network bandwidth, frequency, IP address, also comprise logical resources such as service identification and bag sign.
The inventor finds in the research process to prior art, in the prior art when realizing streaming media service, the user may directly close playback terminal after finishing watching streaming medium content, perhaps leave for a long time and no longer watch streaming medium content, this moment, the customer service terminal was not closed, though the user has finished to watch streaming medium content, but streaming media server still can be broadcast Media Stream to the customer service terminal, the network equipment also can flow to the customer service terminal by these medium of normal transmission, the customer service terminal also can be normally to the Media Stream output of decoding, only be the no longer streaming medium content behind the broadcast decoder of playback terminal.Hence one can see that, and after the user finished to watch streaming medium content, streaming media server, the network equipment, customer service terminal etc. still can expend a large amount of processing resources for this playback terminal.
Summary of the invention
The object of the present invention is to provide resource allocation method, customer service terminal and the head-end system of streaming media service, still expend a large amount of Streaming Medias processing problem of resource when the user finishes to watch Streaming Media in the prior art to solve.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of resource allocation method of streaming media service comprises:
When streaming media service is in effective status, judge whether the current time surpasses the out-of-service time of streaming media service;
If the current time surpasses the out-of-service time of described streaming media service, the state of described streaming media service is made as failure state, and writes down the interrupting information of described streaming media service;
The head-end system sends and stops the request of broadcasting, and stops to be described streaming media service Resources allocation to ask described head-end system.
A kind of resource allocation method of streaming media service comprises:
Receive the request of broadcasting that stops that the customer service terminal sends, described stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service;
Write down the interrupting information of described streaming media service, and stop to be described streaming media service Resources allocation.
A kind of customer service terminal comprises: input/output interface module, user's operation monitoring module, availability of service identification module and service breakpoint processing module; Wherein,
Input/output interface module is used to receive the operation control command that user terminal sends, and described operation control command is reported user's operation monitoring module;
User's operation monitoring module is used for the operation control command that the monitor user ' terminal sends, and monitoring information is reported the availability of service identification module;
The availability of service identification module be used for playing to service breakpoint processing module request stream media terminal, or request recovers streaming media playing from breakpoint;
Service breakpoint processing module is used for the interrupt request that the head-end system sends Streaming Media, or the service recovery request of Streaming Media.
A kind of head-end system comprises: service request access module, service control module, network resource managing module, Service Source administration module and streaming media service module; Wherein,
The service request access module is used for the interrupt request to the Streaming Media of service control module forwarding customer service terminal transmission, or the service recovery request of Streaming Media;
Service control module, be used for sending the control command of releasing network resources or allocation of network resources to network resource managing module, and the control command that sends release Service Source or distribution services resource to the Service Source administration module, and send the interrupt flow media play, or recover the control command of streaming media playing from the fixed time point to the streaming media service module;
The streaming media service module is used for playing media and flows to the customer service terminal.
A kind of customer service terminal comprises:
Judging unit is used for when streaming media service is in effective status, judges whether the current time surpasses the out-of-service time of streaming media service;
The unit is set, is used for the described judgment unit judges current time when surpassing the out-of-service time of described streaming media service, the state of described streaming media service is made as failure state;
Record cell is used to write down the interrupting information of described streaming media service;
Transmitting element is used for the transmission of head-end system and stops the request of broadcasting, so that described head-end system stops to be described streaming media service Resources allocation.
A kind of head-end system comprises:
Receiving element is used to receive the request of broadcasting that stops that the customer service terminal sends, described stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service;
Record cell is used to write down the interrupting information of described streaming media service;
Dispensing unit is used to stop to be described streaming media service Resources allocation.
The technical scheme that is provided by the above embodiment of the invention as seen, the customer service terminal is when streaming media service is in effective status in the embodiment of the invention, judge when the current time surpasses the out-of-service time of streaming media service, the state of streaming media service is made as failure state, and the interrupting information of recorded stream media services, the head-end system sends and stops the request of broadcasting, so that head-end system stops to be this streaming media service Resources allocation.Use the embodiment of the invention, when the user closes playback terminal, perhaps leave for a long time and when no longer watching streaming medium content, streaming media service is judged as inefficacy, thereby make that head-end system stops to broadcast Streaming Media to the customer service terminal, save playback terminal taking system resource.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1A is the first embodiment flow chart of the resource allocation method of streaming media service of the present invention;
Figure 1B is the second embodiment flow chart of the resource allocation method of streaming media service of the present invention;
Fig. 2 is a kind of head-end system of the application embodiment of the invention and the mutual configuration diagram of customer service terminal;
Fig. 3 is the 3rd embodiment flow chart of the resource allocation method of streaming media service of the present invention;
Fig. 4 is Resources allocation among Fig. 3 the 3rd embodiment and the flow chart that begins streaming media service;
Fig. 5 is for interrupt flow media distribution among Fig. 3 the 3rd embodiment and discharge the flow chart of resource;
Fig. 6 is for judging the flow chart that the user recovers streaming media service and carries out resource allocation among Fig. 3 the 3rd embodiment;
Fig. 7 is for Resources allocation among Fig. 6 and recover the flow chart of streaming media service;
Fig. 8 is the 4th embodiment flow chart of the resource allocation method of streaming media service of the present invention;
Fig. 9 is the flow chart that writes down service disruption point, interrupt flow media distribution among Fig. 8 the 4th embodiment and discharge resource;
Figure 10 is for judging the flow chart that the user recovers streaming media service and carries out resource allocation among Fig. 8 the 4th embodiment;
Figure 11 is for Resources allocation among Figure 10 and recover the flow chart of streaming media service;
Figure 12 is the embodiment block diagram of the resource configuration system of streaming media service of the present invention;
Figure 13 is the first embodiment block diagram of customer service terminal of the present invention;
Figure 14 is the second embodiment block diagram of customer service terminal of the present invention;
Figure 15 is the first embodiment block diagram of head-end system of the present invention;
Figure 16 is the second embodiment block diagram of head-end system of the present invention.
Embodiment
The embodiment of the invention provides resource allocation method, customer service terminal and the head-end system of streaming media service.
In order to make those skilled in the art person understand the present invention program better, and above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Referring to Figure 1A, be the first embodiment flow chart of the resource allocation method of streaming media service of the present invention, this embodiment is described from the customer service end side:
Step 101: when streaming media service was in effective status, whether the customer service terminal judges current time surpassed the out-of-service time of streaming media service.
In the embodiment of the invention, when the customer service terminal receives the service request of streaming media service, the state that streaming media service is set is an effective status, and the streaming media service validity set in advance reset service failure time of handling timer, this service failure time be current time and default service failure duration with.
Concrete, when streaming media service validity is handled timer arrival during the cycle of operation, relatively current time and streaming media service validity are handled the service failure time of timer, when the current time less than service failure during the time, determine that then streaming media service is effective, during the time, then determine the streaming media service inefficacy greater than service failure when the current time.
Step 102:, the state of streaming media service is made as failure state if the current time surpasses the out-of-service time of streaming media service.
Step 103: the interrupting information of recorded stream media services.
Wherein, streaming media service comprises order program service and direct broadcast service.For order program service, then write down the program number and the current playing time point of the flow-medium performance of institute's program request; For direct broadcast service, then record the channel of live flow-medium performance.
Step 104: the head-end system sends and stops the request of broadcasting, and stopping with the request header end system is the streaming media service Resources allocation.
Wherein, head-end system is obtained the service conversation of streaming media service, is released to Internet resources, Service Source and possible resource that this streaming media service distributes, and removes the service conversation of streaming media service.
Further, when streaming media service when failure state reenters effective status, the customer service terminal is obtained the interrupting information of media services, send the service recovery request according to interrupting information head-end system, the request header end system begins to send Streaming Media to the customer service terminal from the breakpoint of streaming media service.
Referring to Figure 1B, be the second embodiment flow chart of the resource allocation method of streaming media service of the present invention, this embodiment is described from the head-end system side:
Step 111: head-end system receives the request of broadcasting that stops of customer service terminal transmission, this stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service.
Step 112: the interrupting information of recorded stream media services.
Step 113: stop to be the streaming media service Resources allocation.
Concrete, head-end system is obtained the service conversation of streaming media service, is released to Internet resources, Service Source and possible resource that streaming media service distributes, removes the service conversation of streaming media service.
Further, when head-end system receives the service recovery request that the customer service terminal sends, this service recovery request is the request that the streaming media service of customer service terminal judges sends when failure state enters effective status, head-end system is obtained interrupting information, and begins to send Streaming Media to the customer service terminal according to the breakpoint of interrupting information from streaming media service.
Referring to Fig. 2, be the applied head-end system of resource distribution embodiment of streaming media service of the present invention and the mutual configuration diagram of customer service terminal:
Wherein, customer service terminal 210 can be specially set-top box, comprising: input/output interface module 211, user's operation monitoring module 212, availability of service identification module 213 and service breakpoint processing module 214; Head-end system 220 can be specially VOD (Video On Demand, video request program) system comprises: service request access module 221, service control module 222, network resource managing module 223, Service Source administration module 224 and streaming media service module 225.
Wherein, input/output interface module 211 is used to receive the operation control command that user terminal sends, and this operation control command is reported user's operation monitoring module 212; User's operation monitoring module 212 is used for the operation control command of monitor user ' terminal to set-top box, and monitoring information is reported availability of service identification module 213; Availability of service identification module 213 is used for playing to service breakpoint processing module 214 request stream media terminals, or request recovers streaming media playing from breakpoint; Service breakpoint processing module 214 is used for sending to the service request access module interrupt request of Streaming Media, or the service recovery request of Streaming Media; Service request access module 221 is used for the interrupt request to service control module 222 forwarding stream medias, or the service recovery request of Streaming Media; Service control module 222 is used for sending to network resource managing module 223 control command of releasing network resources or allocation of network resources, and the control command that sends release Service Source or distribution services resource to Service Source administration module 224, and send the interrupt flow media play, or recover the control command of streaming media playing from the fixed time point to streaming media service module 225; Streaming media service module 225 is used for playing media and flows to customer service terminal 210.
The embodiment of the invention is under the situation that does not change existing framework, by expansion to the customer service termination function, adopt the method for the terminal operation behavior of monitor user ', validity to streaming media service is judged, only close playback terminal (as television set the user like this, display) do not close user's service terminal (as set-top box, PC main frame or service customer end), when perhaps the user does not watch streaming medium content for a long time, can judge that streaming media service is invalid and in time be released to the resource that this streaming media service distributes, thereby avoid long-term unreasonable the taking of resource.
In order further to improve user experience, when determining to need to discharge resource and stopping playing stream media, the customer service terminal increases the information of the current streaming media playing point of record (for direct broadcast band record channel, for program request recorded program number and time point) processing, work as the user like this and reopen playback terminal (as television set, display) continues to watch streaming medium content, perhaps the user returns seat when continuing to watch streaming medium content, according to service terminal the monitoring situation of user's operation (is operated as set-top box remote controller, touch screen operation etc.), judge that then streaming media service comes into force again, redistribute resource for this streaming media service this moment, if what broadcast before interrupting is direct broadcast band, then continue to broadcast this direct broadcast band, if what broadcast before interrupting is request program, then continue to play this request program, the user's channel or request program that can continue to watch last time and watch like this from the position of stop broadcasting last time.
Referring to Fig. 3, be the 3rd embodiment flow chart of the resource allocation method of streaming media service of the present invention, this embodiment has described the invalid judgement of streaming media service and the process that resource discharges in conjunction with Fig. 2, suppose that wherein the customer service terminal is a STB terminal, head-end system is the VOD system:
Step 301: the user operates input/output interface module switching channels or the request program in the set-top box remote controller driving STB terminal.
Step 302: input/output interface module is to the play operation of user's operation monitoring module report of user by set-top box remote controller.
Step 303: user's operation monitoring module is judged when being play operation, is begun streaming media service to the request of availability of service identification module.
Step 304: the service state that the availability of service identification module is provided with current Streaming Media is an effective status, and the service failure time is set, and starts availability of service processing timer.
The service failure time is that current system time adds the time that the service failure duration obtains, wherein the service failure duration is the duration (unit second) that the user passes through the configuration of set-top box configuration feature, also can write incoming interface by the set-top box configuration parameter in the EPG of the VOD system page is set in the set-top box, for example, can default service inefficacy duration be 10800 seconds (3 hours); The cycle that availability of service is handled timer is the duration of user by the configuration of set-top-box system configuration feature, and can give tacit consent to this cycle is 600 seconds (10 minutes).
Step 305: input/output interface module sends the request of broadcasting to the VOD system, the Media Stream of request VOD system plays channel or the Media Stream of request program.
Step 306:VOD system assignment resource, the Media Stream of receiving channels or obtain the media file of request program is broadcast Media Stream to input/output interface module then.
Wherein, VOD system assignment resource and the handling process that begins to serve are described in detail at follow-up embodiment shown in Figure 4.
Step 307: input/output interface module receives the Media Stream that the VOD system sends, and Media Stream is exported to television set, watches the channel of being asked or the program of program request for the user.
Step 3081: the user operates set-top box remote controller, carries out operations such as F.F., rewind down, time-out, recovery, and input/output interface module is reported and submitted the set-top box remote controller key information of user's operation to user's operation monitoring module.
Step 3082: user's operation monitoring module sends the request of keeping availability of service after receiving the remote controller operation of reporting and submitting to the availability of service identification module.
Step 3083: after the availability of service identification module was received the request of keeping availability of service, the replacement service failure time, the computation rule of service failure time was consistent with the description in the step 304.
Step 3084: input/output interface module judges whether the operation that the user carries out is the Broadcast Control operation, Broadcast Control operation comprises F.F., rewind down, time-out, recovers, stops, stopping, a key is to first-class, if the Broadcast Control operation then sends the message of asking broadcasting program to the VOD system.
Step 3085:VOD system carries out broadcasting program according to request message and handles.
Step 3086: when the direct closing television machine of user but when not closing STB terminal, perhaps the user leaves the seat for a long time and do not watch program, when the service failure time reached, availability of service was handled the processing that timer triggers service failure.
Step 3091: the availability of service in the availability of service identification module is handled timer when the cycle of operation arrives, judge the validity of streaming media service, judgment rule is according to service state and current time and service failure time relation, decision logic and result treatment comprise: if service state is invalid, then do not handle, finish this Timing Processing logic; If service state is effectively, and the current time less than the service failure time, then service is remained valid, and finishes this Timing Processing logic; If service state is effectively, and the current time more than or equal to the service failure time, then service failure triggers step 3092.
Step 3092: service state is set for losing efficacy, availability of service is handled timer and is interrupted broadcast program to the request of service breakpoint processing module.
Step 3093: service breakpoint processing module record service breakpoint information, then write down channel for direct broadcast band, for program request then recorded program number and time point, finish service breakpoint record back notice input/output interface module and stop playing programs.
Step 3094: input/output interface module sends the playing programs request of interrupting to the VOD system.
Step 3095:VOD system interrupts the program of playing according to request and is released to the resource of this program configuration.
Wherein, the flow process of broadcast of VOD system break program stream and release resource is described in follow-up embodiment shown in Figure 5.
Step 310: set-top box discharges playing resource to a program picture still frame picture in the end.
Referring to Fig. 4, be VOD system assignment resource and the detailed process that begins streaming media service among the 3rd embodiment:
When the service request access module of step 401:VOD system was received the channel of STB terminal and playing programs request, judging was the request of beginning streaming media service, begins streaming media service to the service control module request.
Step 402: service control module is created service conversation.
Step 403: service control module is to network resource managing module request allocation of network resources.
Step 404: the network resource managing module allocation of network resources, and Internet resources are returned to service control module.
Resource Allocation in Networks is treated to according to user's requested service distributes the corresponding network bandwidth, when being applied in the DTV system, also comprise and distribute program stream to broadcast needed IPQAM (IP QuadratureAmplitude Modulation, IP flows quadrature amplitude modulation) and IP address of QAM (Quadrature AmplitudeModulation, quadrature amplitude modulation), the service identifiers of going into flow port, frequency that program stream issues, program stream, symbol rate, modulation value etc.
Step 405: service control module writes down the Internet resources parameter in service conversation.
Step 406: service control module is to Service Source administration module request distribution services resource.
Step 407: Service Source administration module distribution services resource, and Service Source returned to service control module, service resource allocation comprises distributes that the RTP leader is known, request CA/DRM distributes the scrambling resource and obtain descramble key, distribute this streaming media server that Media Stream service is provided, distribute streaming media service License (licence), distribute stream IP and port.
Step 408: service control module writes down the Service Source parameter in service conversation.
Step 409: service control module is broadcast Media Stream to the request of streaming media service module.
Step 410: streaming media service module assignment possible resource, receiving channels Media Stream or read media file.Possible resource distributes and comprises that thread is broadcast in distribution, distribution is broadcast cushion space, distributed port to go out to flow bandwidth etc.
Step 411: the possible resource that the utilization of streaming media service module distributes is broadcast Media Stream to the network equipment, and indicates the customer service terminal that will send, and the network equipment is broadcast Media Stream to corresponding set-top box.
Referring to Fig. 5, be the detailed process that resource was broadcast and discharged to VOD system break Streaming Media among the 3rd embodiment:
The service request access module of step 501:VOD system receives that STB terminal sends stop channel and program stream and broadcast request after, judge current streaming media service and interrupt, then to service control module request break in service.
Step 502: service control module is obtained the session of this streaming media service.
Step 503: service control module is broken Media Stream to the request of streaming media service module.
Step 504: the media services module discharges possible resource, and possible resource discharges to handle and comprises that thread is broadcast in release, cushion space is broadcast in release, release port goes out to flow bandwidth.
Step 505: the streaming media service module stops to broadcast Media Stream.
Step 506: service control module discharges Service Source to the request of Service Source administration module.
Step 507: the Service Source administration module discharges Service Source and the result is returned to service control module, and Service Source discharges to handle and comprises that the knowledge of release RTP leader, request CA/DRM discharge the scrambling resource, discharge streaming media service License, discharge and flow IP and port etc.
Step 508: service control module is to network resource managing module request releasing network resources.
Step 509: the network resource managing module releasing network resources also returns to service control module to the result, releasing and processing network resources comprises the network bandwidth that is released to this user's service assignment, for the service identifiers of the DTV system also comprises the IP address that is released to IPQAM that this streaming media service distributes and QAM, goes into flow port, program stream issues frequency, program stream, symbol rate, modulation value etc.
Step 510: service control module is removed service conversation.
Referring to Fig. 6, be the process that the follow-up judgement of the 3rd embodiment user recovers streaming media service and carries out resource allocation:
Step 601: the user reopens television set or gets back to the seat and continue to watch flow-medium performance.
Step 602: the user operates any button of set-top box remote controller.
Step 603: input/output interface module is to the button operation of user's operation monitoring module report of user to remote controller.
Step 604: user's operation monitoring module sends the request of replacement availability of service to the availability of service identification module.
Step 605: after the availability of service identification module was received the request of replacement availability of service, it was effective status that service state is set, and the replacement service failure time.
Step 606: the availability of service identification module begins to play to the breakpoint of service breakpoint processing module request from aforementioned Streaming Media.
Step 607: service breakpoint processing module is obtained the service breakpoint information, and generates the broadcast URL of Streaming Media according to the service breakpoint information.
For direct broadcast band, then obtain cannel broadcast URL according to channel; For request program, then the program number according to record obtains program request broadcast URL, and puts the original position that broadcast is set according to break period.
Step 608: service breakpoint processing module announcement machine top box begins the broadcast of cannel broadcast or request program.
Step 609: input/output interface module is to the broadcast (then playing from breakpoint for request program) of VOD system request channel and request program.
Step 610:VOD system assignment resource, receiving channels Media Stream or obtain program request program media file is broadcast Media Stream to input/output interface module then, then needs to broadcast from the fixed time point of request for request program.
Wherein, the handling process of VOD system assignment resource and recovery service is described in detail at follow-up embodiment shown in Figure 7.
Referring to Fig. 7, for VOD system assignment resource among Fig. 6 and recover the detailed process of streaming media service:
After the service request access module of step 701:VOD system was received the recovery channel and playing programs request that STB terminal sends, judging was the request that recovers streaming media service, recovers streaming media service to the service control module request.
Step 702: service control module is recovered the streaming media service session, need determine the position that Media Stream begins to broadcast according to the request message parameter.
Step 703 is to step 708: consistent with the step 403 in the earlier figures 4 to step 408, do not repeat them here.
Step 709: service control module recovers to broadcast Media Stream to the request of streaming media service module from the fixed time point.
Step 710: streaming media service module assignment possible resource, receiving channels Media Stream or read the media file of request program.
For the recovery playing request of request program, then since the fixed time point place read Media Stream.Possible resource distributes and comprises that thread is broadcast in distribution, distribution is broadcast cushion space, distributed port to go out to flow bandwidth etc.
Step 711: the possible resource that the utilization of streaming media service module distributes is broadcast since the fixed time Media Stream play of some place to the network equipment, and the indication Media Stream customer service terminal that will send, and the network equipment is broadcast Media Stream to corresponding set-top box.
Referring to Fig. 8, the 4th embodiment flow chart for the resource allocation method of streaming media service of the present invention, this embodiment is in conjunction with Fig. 2, the invalid judgement of streaming media service and the process that resource discharges have been described, suppose that wherein the customer service terminal is a STB terminal, head-end system is the VOD system, this embodiment is with the different of the 3rd embodiment shown in Figure 3, the record of service breakpoint information when present embodiment is finished service disruption in the service control module of VOD system, and be provided with during service recovery and play from breakpoint:
Step 801 is consistent to step 3092 with the step 301 shown in Fig. 3 to step 8092, does not repeat them here.
Step 8093: input/output interface module sends the request of interrupting playing programs to the VOD system.
Step 8094:VOD system stops the broadcast of program stream according to the request of interrupting playing programs, the point of interruption information of recorded stream media services, and be released to the resource that this Streaming Media disposes.
Wherein, for direct broadcast band, then write down channel; For request program, then recorded program number and time point.VOD system assignment resource also begins to describe in detail in the embodiment flow process of streaming media service in subsequent figure 9.
Step 8095: input/output interface module discharges playing resource to a program picture still frame picture in the end.
Referring to Fig. 9, be VOD system log (SYSLOG) service disruption point among the 4th embodiment, the interrupt flow media distribution also discharges the detailed process of resource:
Step 901 is consistent to step 505 with the step 501 shown in Fig. 5 to step 905, does not repeat them here.
Step 906: the service control module record writes down the breakpoint information of the program of current interruption, and breakpoint information is saved in the service conversation.
Wherein, the breakpoint information of program then writes down channel for direct broadcast band, for request program then recorded program number and time point.
Step 907 is consistent to step 510 with the step 506 shown in Fig. 4 to step 911, does not repeat them here.
Referring to Figure 10, be the process that the follow-up judgement of the 4th embodiment user recovers streaming media service and carries out resource allocation:
Step 1001 is consistent to step 606 with the step 601 shown in Fig. 6 to step 1006, does not repeat them here.
Step 1007: service breakpoint processing module judges that program state is interruption, then notifies input/output interface module to recover to play.
Step 1008: input/output interface module recovers the broadcast of channel and request program to the VOD system request.
Step 1009:VOD system obtains the service breakpoint information from session, and according to service breakpoint information generation broadcast URL, Resources allocation, receiving channels Media Stream or obtain program request program media file, broadcast Media Stream to set-top box then, then need to broadcast from the fixed time point of request for request program.
Wherein, the flow process of VOD system assignment resource and recovery streaming media service is described in detail in the embodiment of follow-up Figure 11 flow process.
Step 1010: the user watches or listens to program, and can carry out operations such as Broadcast Control.
Referring to Figure 11, be the flow process of VOD system assignment resource among Figure 10 and recovery streaming media service:
The service request access module of step 1101:VOD system is received recovery channel and the playing programs request that STB terminal sends, and judging is to recover service request, recovers service to the service control module request.
Step 1102: service control module is obtained the service breakpoint message of this user terminal, recovers service conversation then.
Step 1103 is consistent to step 708 with step 703 shown in Figure 7 to step 1108, does not repeat them here.
Step 1109: service control module generates according to the service breakpoint information and plays URL, then obtains cannel broadcast URL according to channel for direct broadcast band; Then obtain program request broadcast URL for program request, and put the original position that broadcast is set according to break period according to the program number of record.
Step 1110 is consistent to step 711 with step 709 among Fig. 7 to step 1112, does not repeat them here.
Corresponding with the embodiment of the resource allocation method of streaming media service of the present invention, the present invention also provides the embodiment of resource configuration system, customer service terminal and the head-end system of streaming media service.
Referring to Figure 12, be the embodiment block diagram of the resource configuration system of streaming media service of the present invention:
This system comprises: customer service terminal 1210 and head-end system 1220.
Wherein, customer service terminal 1210, be used for when streaming media service is in effective status, judge whether the current time surpasses the out-of-service time of streaming media service, if the current time surpasses the out-of-service time of described streaming media service, the state of described streaming media service is made as failure state, and writes down the interrupting information of described streaming media service, head-end system 1220 sends and stops the request of broadcasting;
Described head-end system 1220, be used to receive described stop the request of broadcasting after, stop to be described streaming media service Resources allocation.
Further, described customer service terminal 1210, also be used for when described streaming media service when described failure state enters effective status, obtain the interrupting information of described media services, send the service recovery requests according to described interrupting information to described head-end system 1220;
Described head-end system 1220 also is used for beginning to send Streaming Media to described customer service terminal 1210 to the breakpoint from described streaming media service according to described interrupting information.
Referring to Figure 13, be the first embodiment block diagram of customer service terminal of the present invention:
This customer service terminal comprises: judging unit 1310, unit 1320, record cell 1330 and transmitting element 1340 are set.
Wherein, judging unit 1310 is used for when streaming media service is in effective status, judges whether the current time surpasses the out-of-service time of streaming media service;
Unit 1320 is set, is used for the described judgment unit judges current time when surpassing the out-of-service time of described streaming media service, the state of described streaming media service is made as failure state;
Record cell 1330 is used to write down the interrupting information of described streaming media service;
Transmitting element 1340 is used for the transmission of head-end system and stops the request of broadcasting, so that described head-end system stops to be described streaming media service Resources allocation.
Referring to Figure 14, be the second embodiment block diagram of customer service terminal of the present invention:
This customer service terminal comprises: unit 1410, reset cell 1420, judging unit 1430, record cell 1440, transmitting element 1450 and acquiring unit 1460 are set.
Wherein, the described unit 1410 that is provided with also is used for when receiving the service request of streaming media service, and the state that described streaming media service is set is an effective status;
Judging unit 1430 is used for when streaming media service is in effective status, judges whether the current time surpasses the out-of-service time of streaming media service;
Transmitting element 1450 is used for the transmission of head-end system and stops the request of broadcasting, so that described head-end system stops to be described streaming media service Resources allocation;
Acquiring unit 1460, be used for when described streaming media service when described failure state enters effective status, obtain the interrupting information of described media services;
Described transmitting element 1450 also is used for sending the service recovery request according to described interrupting information to described head-end system, asks described head-end system to begin to send Streaming Media to described customer service terminal from the breakpoint of described streaming media service.
Concrete, judging unit can comprise (not shown among Figure 14): the time comparing unit, be used for handling timer arrival during the cycle of operation when described streaming media service validity, relatively current time and described streaming media service validity are handled the service failure time of timer; Determining unit is used for during the time, determining then that described streaming media service is effective less than described service failure when the described current time as a result, during the time, then determines described streaming media service inefficacy greater than described service failure when the described current time.
Referring to Figure 15, be the first embodiment block diagram of head-end system of the present invention:
This head-end system comprises: receiving element 1510, record cell 1520 and dispensing unit 1530.
Wherein, receiving element 1510, be used to receive the request of broadcasting that stops that the customer service terminal sends, described stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service;
Referring to Figure 16, be the second embodiment block diagram of head-end system of the present invention:
This head-end system comprises: receiving element 1610, record cell 1620, dispensing unit 1630, acquiring unit 1640 and transmitting element 1650.
Receiving element 1610, be used to receive the request of broadcasting that stops of customer service terminal transmission, described stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service;
Receiving element 1610 also is used to receive the service recovery request that described customer service terminal sends, and described service recovery request is the request that the described streaming media service of described customer service terminal judges sends when described failure state enters effective status;
Acquiring unit 1640 is used to obtain described interrupting information;
Transmitting element 1650 is used for beginning to send Streaming Media to described customer service terminal according to the breakpoint of described interrupting information from described streaming media service.
Concrete, dispensing unit can comprise (Figure 16 is not shown): the acquisition conversation unit is used to obtain the service conversation of described streaming media service; The resource releasing unit is used to be released to Internet resources, Service Source and the possible resource that described streaming media service distributes; The session clearing cell is used to remove the service conversation of described streaming media service.
As seen through the above description of the embodiments, the customer service terminal is when streaming media service is in effective status in the embodiment of the invention, judge when the current time surpasses the out-of-service time of streaming media service, the state of streaming media service is made as failure state, and the interrupting information of recorded stream media services, the head-end system sends and stops the request of broadcasting, so that head-end system stops to be this streaming media service Resources allocation.Use the embodiment of the invention, when the user closes playback terminal, perhaps leave for a long time and when no longer watching streaming medium content, streaming media service is judged as inefficacy, thereby make that head-end system stops to broadcast Streaming Media to the customer service terminal, save playback terminal taking system resource.
Those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. the resource allocation method of a streaming media service is characterized in that, comprising:
When streaming media service is in effective status, judge whether the current time surpasses the out-of-service time of streaming media service;
If the current time surpasses the out-of-service time of described streaming media service, the state of described streaming media service is made as failure state, and writes down the interrupting information of described streaming media service;
The head-end system sends and stops the request of broadcasting, and stops to be described streaming media service Resources allocation to ask described head-end system.
2. method according to claim 1 is characterized in that, also comprises:
When receiving the service request of streaming media service, the state that described streaming media service is set is an effective status;
Streaming media service validity that replacement sets in advance is handled the service failure time of timer, the described service failure time be current time and default service failure duration with.
3. method according to claim 2 is characterized in that, the described out-of-service time of judging that whether the current time surpass streaming media service comprises:
Handle timer arrival during the cycle of operation when described streaming media service validity, relatively current time and described streaming media service validity are handled the service failure time of timer;
During the time, determine then that described streaming media service is effective less than described service failure when the described current time, during the time, then determine described streaming media service inefficacy greater than described service failure when the described current time.
4. method according to claim 1 is characterized in that, also comprises:
When described streaming media service when described failure state enters effective status, obtain the interrupting information of described media services;
Send the service recovery request according to described interrupting information to described head-end system, ask described head-end system to begin to send Streaming Media to described customer service terminal from the breakpoint of described streaming media service.
5. the resource allocation method of a streaming media service is characterized in that, comprising:
Receive the request of broadcasting that stops that the customer service terminal sends, described stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service;
Write down the interrupting information of described streaming media service, and stop to be described streaming media service Resources allocation.
6. method according to claim 5 is characterized in that, described stopping to comprise for described streaming media service Resources allocation:
Obtain the service conversation of described streaming media service;
Be released to Internet resources, Service Source and possible resource that described streaming media service distributes;
Remove the service conversation of described streaming media service.
7. method according to claim 5 is characterized in that, also comprises:
Receive the service recovery request that described customer service terminal sends, described service recovery request is the request that the described streaming media service of described customer service terminal judges sends when described failure state enters effective status;
Obtain described interrupting information, and begin to send Streaming Media to described customer service terminal according to the breakpoint of described interrupting information from described streaming media service.
8. a customer service terminal is characterized in that, comprising: input/output interface module, user's operation monitoring module, availability of service identification module and service breakpoint processing module; Wherein,
Input/output interface module is used to receive the operation control command that user terminal sends, and described operation control command is reported user's operation monitoring module;
User's operation monitoring module is used for the operation control command that the monitor user ' terminal sends, and monitoring information is reported the availability of service identification module;
The availability of service identification module be used for playing to service breakpoint processing module request stream media terminal, or request recovers streaming media playing from breakpoint;
Service breakpoint processing module is used for the interrupt request that the head-end system sends Streaming Media, or the service recovery request of Streaming Media.
9. a head-end system is characterized in that, comprising: service request access module, service control module, network resource managing module, Service Source administration module and streaming media service module; Wherein,
The service request access module is used for the interrupt request to the Streaming Media of service control module forwarding customer service terminal transmission, or the service recovery request of Streaming Media;
Service control module, be used for sending the control command of releasing network resources or allocation of network resources to network resource managing module, and the control command that sends release Service Source or distribution services resource to the Service Source administration module, and send the interrupt flow media play, or recover the control command of streaming media playing from the fixed time point to the streaming media service module;
The streaming media service module is used for playing media and flows to the customer service terminal.
10. a customer service terminal is characterized in that, comprising:
Judging unit is used for when streaming media service is in effective status, judges whether the current time surpasses the out-of-service time of streaming media service;
The unit is set, is used for the described judgment unit judges current time when surpassing the out-of-service time of described streaming media service, the state of described streaming media service is made as failure state;
Record cell is used to write down the interrupting information of described streaming media service;
Transmitting element is used for the transmission of head-end system and stops the request of broadcasting, so that described head-end system stops to be described streaming media service Resources allocation.
11. customer service terminal according to claim 10 is characterized in that, also comprises:
The described unit that is provided with also is used for when receiving the service request of streaming media service, and the state that described streaming media service is set is an effective status;
Reset cell, the streaming media service validity that sets in advance of being used to reset is handled the service failure time of timer, the described service failure time be current time and default service failure duration with.
12. customer service terminal according to claim 11 is characterized in that, described judging unit comprises:
The time comparing unit is used for handling timer arrival during the cycle of operation when described streaming media service validity, and relatively current time and described streaming media service validity are handled the service failure time of timer;
Determining unit is used for during the time, determining then that described streaming media service is effective less than described service failure when the described current time as a result, during the time, then determines described streaming media service inefficacy greater than described service failure when the described current time.
13. customer service terminal according to claim 10 is characterized in that, also comprises:
Acquiring unit, be used for when described streaming media service when described failure state enters effective status, obtain the interrupting information of described media services;
Described transmitting element also is used for sending the service recovery request according to described interrupting information to described head-end system, asks described head-end system to begin to send Streaming Media to described customer service terminal from the breakpoint of described streaming media service.
14. a head-end system is characterized in that, comprising:
Receiving element is used to receive the request of broadcasting that stops that the customer service terminal sends, described stop to broadcast request for the streaming media service terminal when streaming media service is in effective status, judge that the current time surpasses the request that is sent after the out-of-service time of streaming media service;
Record cell is used to write down the interrupting information of described streaming media service;
Dispensing unit is used to stop to be described streaming media service Resources allocation.
15. head-end system according to claim 14 is characterized in that, described dispensing unit comprises:
The acquisition conversation unit is used to obtain the service conversation of described streaming media service;
The resource releasing unit is used to be released to Internet resources, Service Source and the possible resource that described streaming media service distributes;
The session clearing cell is used to remove the service conversation of described streaming media service.
16. head-end system according to claim 14, it is characterized in that, described receiving element, also be used to receive the service recovery request that described customer service terminal sends, described service recovery request is the request that the described streaming media service of described customer service terminal judges sends when described failure state enters effective status;
Also comprise:
Acquiring unit is used to obtain described interrupting information;
Transmitting element is used for beginning to send Streaming Media to described customer service terminal according to the breakpoint of described interrupting information from described streaming media service.
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| CN201010619791.8A CN102137293B (en) | 2010-12-31 | 2010-12-31 | Resource allocation method, user business terminal and head end system of streaming media service |
| PCT/CN2011/079410 WO2012088922A1 (en) | 2010-12-31 | 2011-09-07 | Resource configuration method for streaming media service, user service terminal and head end system |
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| CN201010619791.8A CN102137293B (en) | 2010-12-31 | 2010-12-31 | Resource allocation method, user business terminal and head end system of streaming media service |
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| CN110248419B (en) * | 2018-10-23 | 2022-08-09 | 浙江芯昇电子技术有限公司 | Method and device for interrupting communication service |
| CN111711867A (en) * | 2020-05-19 | 2020-09-25 | 腾讯科技（深圳）有限公司 | Index collection method, device, medium and electronic equipment of streaming media service |
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| WO2012088922A1 (en) | 2012-07-05 |
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