CN101494768A - Method and apparatus for sending and downloading multimedia data, and multimedia order programme system - Google Patents
Method and apparatus for sending and downloading multimedia data, and multimedia order programme system Download PDFInfo
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Abstract
The embodiment of the present invention discloses a method for transmitting and downloading multimedia data, multimedia service device and multimedia terminals as well as multimedia on-demand system, wherein, the method for sending the multimedia data includes: receiving a multi-media on-demand requests from a terminal; determining whether the current network is idle, if so, sending the on-demand multimedia data to the terminal. In the embodiment of the present invention, the service end synthesizedly takes regard of the network situation, sending the on-demand multimedia data to the terminal such as a set up box when the network is idle so that the idle band-width resource can be effectively used.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to method, multimedia service device and the multimedia terminal and the multimedia order programme system that send and download multi-medium data.
Background technology
The general user carries out net cast and video request program (Video On Demand at night, VOD) business, and be the period of heavy traffic network congestion evening, if also carry out demand (telecommunication) service this moment, certainly will aggravate the network congestion state, thereby, make the value-added service of program request be difficult to carry out because bandwidth and latency issue cause video request program experience poor.For effectively carrying out the value-added service of program request, operator must carry out dilatation to network, and with the value-added service of support video request program, yet concerning operator, this is a no small spending; Though and the network capacity after the dilatation risen, be not utilized effectively at the not busy Time Bandwidth of business, so investment very waste again when network is idle of carrying out for solving network congestion of operator.Therefore need to seek a kind of method and solve this contradiction, make operator not only can carry out demand (telecommunication) service but also do not need to increase too many investment.
In the existing VOD service method, start immediately program source propelling movement (Push) in the multimedia terminal by multimedia service device after user's request program, the instant play-on-demand program in multimedia terminal all can not withdraw from program request or standby up to watching before finishing.In another VOD service method, start immediately by multimedia service device after user's request program and be pushed to program source in the multimedia terminal, the multimedia terminal wait for program receive after play-on-demand program again.
The inventor finds that there is following shortcoming at least in prior art in realizing process of the present invention: if start demand (telecommunication) service, can aggravate the network congestion state when network congestion, the speed of the multi-medium data of program request, user experience weak effect are downloaded in influence.
Summary of the invention
The embodiment of the invention provides a kind of method, multimedia service device and multimedia terminal that sends and download multi-medium data, has reached multimedia order programme system, the propelling movement that can the control of video request program or the opportunity of download, can the network free time, start the propelling movement and the download of request program, make full use of idle bandwidth resources.
A kind of method that sends multi-medium data comprises:
The multimedia-on-demand request of receiving terminal;
Judge whether current network is in idle condition,, send the multi-medium data of program request to described terminal if judge that network is in idle condition.
A kind of method of downloading multi-medium data comprises:
Send the multimedia-on-demand request to service end;
When terminal standby, receive the message that wakes up of described service end transmission, the described message that wakes up is used to make terminal to switch to operating state from holding state; Or when preset time arrives, described terminal being switched to operating state from holding state, described preset time is the time that network is in idle condition;
Receive the multi-medium data of described service end program request of transmission when network is idle.
A kind of multimedia service device comprises:
Business module is used for the multimedia-on-demand request of receiving terminal;
Judge module is used to judge whether current network is in idle condition;
Service module is used for sending to described terminal the multi-medium data of program request when described judge module judges that network is in idle condition.
A kind of multimedia terminal comprises:
Communication module is used for communicating by network and service end;
The point broadcasting module is used for sending the video request program request by described communication module to service end;
The standby module is used for when terminal standby, receives the message that wakes up that described service end sends by communication module, and terminal is switched to operating state from holding state; Or when preset time arrives, terminal being switched to operating state from holding state, described preset time is the time that network is in idle condition;
Download module is used for receiving the multi-medium data of described service end in network program request of transmission during the free time by described communication module;
Memory module is used to store the multi-medium data that described download module receives.
A kind of multimedia order programme system comprises: multimedia service device and at least one multimedia terminal,
Described multimedia terminal is used for sending the multimedia-on-demand request to described multimedia service device, receives the multi-medium data that described multimedia service device sends when network is idle;
Described multimedia service device is used for judging whether current network is in idle condition after the multimedia-on-demand request that receives described multimedia terminal, if judge that network is in idle condition, sends the multi-medium data of program request to described terminal.
Technique scheme, service end are pushed to the multi-medium data of program request the multimedia terminal for example in the set-top box when network is in idle condition, can effectively utilize idle bandwidth resources like this.
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, accompanying drawing in describing below only is some embodiments of 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.
The method flow schematic diagram of the transmission multi-medium data that Fig. 1 a provides for the embodiment of the invention;
The method flow schematic diagram of the another transmission multi-medium data that Fig. 1 b provides for the embodiment of the invention;
Fig. 2 is the schematic flow sheet of the embodiment one of the step 13 among Fig. 1;
Fig. 3 is the schematic flow sheet of the embodiment two of the step 13 among Fig. 1;
The method flow schematic diagram of the download multi-medium data that Fig. 4 provides for the embodiment of the invention;
The schematic flow sheet of the embodiment of the invention transmission multi-medium data that provides and a specific embodiment downloading multi-medium data is provided Fig. 5;
The structural representation of the multimedia service device that Fig. 6 provides for the embodiment of the invention;
The structural representation of another multimedia service device that Fig. 7 provides for the embodiment of the invention;
The structural representation of the multimedia terminal that Fig. 8 provides for the embodiment of the invention;
The structural representation of the multimedia order programme system that Fig. 9 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Be illustrated in figure 1 as the method flow schematic diagram of the transmission multi-medium data that the embodiment of the invention provides, comprise:
The multimedia-on-demand request of step 11, receiving terminal;
The user is when experience demand (telecommunication) service such as Web TV, whenever can carry out the operation of program request, oneself like the program seen even also can click under the state of network congestion at night, promptly send multimedia such as video request program request to service end, correspondingly, whenever service end can receive multimedia such as video request program request, and the programme information of user's request is preserved earlier.Certainly the content of program request can also be other multimedia messagess such as audio frequency.The embodiment of the invention mainly is that example is described with the video, and other situations are similar.
Step 13, judge whether the current time network is in idle condition,, send the multi-medium data of program request to described terminal if judge that network is in idle condition.
Embodiment of the invention service end is pushed to the multi-medium data of program request terminal for example in the set-top box when network is in idle condition, can effectively utilize idle bandwidth resources like this.
After service end receives user's order request, push the multi-medium data of program request when can select network to be in idle condition again to terminal, use peak time to avoid network congestion period or network.The network free time can be waited with the data packet loss of network traffic data size, the bandwidth ratio that is not used, network and weigh when referring to that network bandwidth utilance is lower, can set according to actual needs.Therefore step 13 can comprise as shown in Figure 2:
Whether step 131, the data traffic of judging current network or data packet loss be less than default value, if be in idle condition less than default value representation network, then execution in step 132, otherwise can not do any operation;
In the step 13, also can distinguish network by the time period and whether be in idle condition, the time network in evening is busier usually promptly is in busy state, because a lot of user uses Web TV usually at night or handles other businesss of networking; Use the number of users of network sharply to descend in the time of night, the network bandwidth is guaranteed well, can think that this moment, network was idle.So can preestablish a time, when arriving, starts this time downloading process immediately, promptly send the multi-medium data of program request to terminal.Therefore as shown in Figure 3, step 13 can comprise:
Step 131 ', judge whether preset time arrives, when preset time arrives, execution in step 132 ', otherwise can not do any operation.Described preset time is the time that network is in idle condition, for example 1:00AM at night.
Step 132 ', to the multi-medium data of described terminal transmission program request.
If after the user used terminal, terminal may be in holding state, can't receiving multimedia data; Then before sending multi-medium data, can wake terminal up by service end, therefore shown in Fig. 1 b, method can also comprise:
Step 12, send to terminal and to wake message up, the described message that wakes up is used to make described terminal to switch to operating state from holding state;
Service end can be waken message up to the terminal transmission before sending multi-medium data,, service end also can send to terminal by the mode of timing wake-up wake message up, and for example the 1:00AM preparation sends when terminal pushes multi-medium data and wakes message up at night; Perhaps also can for example send every one hour and once wake message etc. up by the mode of circulation timing wake-up, this wakes message up and is used to make terminal to switch to operating state from holding state.
This wakes message format up can be defined as shown in Table 1 network message form:
Table one
| ?DMAC(6byte) | ?SMAC(6byte) | ?Type(2byte) | payload(46byte~1500byte) | FCS(4byte) |
Wherein MAC Address is the address of 48 bit-binary, as: 00-e0-fc-00-01-06, the minimum bit of the highest byte of MAC Address is that 0 address is a unicast address, as: 00-e0-fc-00-01-06, and multicast address is meant that the minimum bit of highest byte is 1 address, as: 01-e0-fc-00-00-06, broadcast address then is that whole 48bit are 1 addresses, as: ff-ff-ff-ff-ff-ff.
In the table one, DMAC represents target MAC (Media Access Control) address, and SMAC represents source MAC, and Type represents type of message, and payload represents message load, and FCS represents the message checking sign indicating number.
The embodiment of the invention can adopt unicast message to wake terminal up, the minimum bit of DMAC highest byte is 0 in the message, target MAC (Media Access Control) address (DMAC) is the MAC Address of terminal, triggering terminal is produced wake-up interrupts, start terminal and switch to operating state, just normal receiving multimedia data from holding state.Can certainly adopt broadcasting or multicast mode, for example the terminal use for same local area network (LAN) can adopt multicast mode.
The embodiment of the invention is by taking all factors into consideration network condition by service end, the multi-medium data of program request is pushed to terminal when network is in idle condition for example in the set-top box, can effectively utilize idle bandwidth resources like this; If terminal standby then can wake terminal up by service end, terminal starts the multi-medium data that terminal receives program request after receiving and waking instruction up immediately, and terminal need not to be in open state always after program request, can save the power consumption of terminal.
Be illustrated in figure 4 as the method flow schematic diagram of the download multi-medium data that the embodiment of the invention provides, comprise:
Step 41, send the multimedia-on-demand request to service end;
When the user watches Web TV in use, can program request or customize and oneself like the program seen, need terminal to send order request to service end.
The embodiment of the invention is taken all factors into consideration network condition by service end, the multi-medium data of program request is pushed to terminal when network is in idle condition for example in the set-top box, can effectively utilize idle bandwidth resources like this.
Step 42, wake terminal up.Receive the message that wakes up of service end transmission, the described message that wakes up is used to make terminal to switch to operating state from holding state; Or when preset time arrives, described terminal being switched to operating state from holding state, described preset time is the time that network is in idle condition.
The multi-medium data that step 43, the described service end of reception send when network is idle.
Because service end can be chosen in network sends program request to terminal during the free time multi-medium data, correspondingly, terminal also receives service end and responds the multi-medium data that described video request program request sends when network is idle.If service end is taked timing services, promptly when arriving, preset time sends multi-medium data to terminal, then correspondingly, the terminal multi-medium data that also receiving terminal sends when preset time arrives.
In the embodiment of the invention, terminal can also be under holding state, receives the message that wakes up that service end sends, and terminal is switched to operating state from holding state, just normal data download.Waking message up can be unicast message, and specifically the embodiment referring to the front describes.Certainly terminal also can regularly oneself be waken up, promptly when predefined time such as night, 1:00AM arrived, switches to operating state from holding state, so that receive the multi-medium data that service end sends; The mode of circulation timing wake-up perhaps also can be set.
After the multi-medium data of program request all receives, can send Indication message immediately, be used to point out the multi-medium data of user's program request to download and finish, whether immediately play multimedia data etc.; Perhaps after the multi-medium data of program request all receives, can shut down immediately or enter holding state; When the user opened terminal once more, immediately whether the multi-medium data of play-on-demand or send under the indication and can play immediately be used to point out the multi-medium data of user's program request to download and finish, play multimedia data; Perhaps the multi-medium data of program request is stored in the terminal, can be transferred at any time by the user and carry out playback.
The method that the embodiment of the invention provides, the video frequency program that the terminal use can program request will be watched when network is busy, and the multi-medium data that download point is broadcast when network is idle; When terminal standby, can receive the message that wakes up of service end, switch to operating state from holding state, the user need not to keep starting up of terminal always like this, has saved the power consumption of terminal; After carrying out program request operation, needn't download etc. to be watchedly immediately, the user can also normally watch other programs; Be that the use of demand (telecommunication) service can not influence the user and uses terminal.And when watching the multi-medium data of program request in this way, can not delayed time or the influence of the network bandwidth, the video playback smoothness, user experience is effective.
Be example with the STB terminal below, introduce in the operation business of video request program, the interaction flow of set-top box and service side, the basic procedure of VOD service generally comprises four steps: at first be network access authentication, mutual between client layer and network layer; Next is the service access authentication, and is mutual between client layer and operation layer; Next being that the user carries out demand (telecommunication) service, also is mutual between client layer and operation layer; Work as the user at last and withdraw from program request or standby, multimedia service platform detects Media Stream and interrupts, and stops to charge.
In the VOD service flow process that the embodiment of the invention provides, not starting request program immediately for demand (telecommunication) service downloads, push program (Push VOD) in terminal set top box but adopt, after in case user's request program obtains access authentication server and business platform affirmation, business platform is preserved user's order request down, and the start-up point was sowed and carried when the wait network was idle; If set-top box (STB, SET TOP BOX) is in standby, then wake set-top box up by waking message up by the access authentication server, after waking up, set-top box carries out network, service access authentication, authentication is informed multimedia service device by the back by business platform, download request program in the set-top box local memory device, program is downloaded the back set-top box that finishes can reenter holding state.As shown in Figure 5, main process comprises:
Phase I: order request the stage of recognition
Set-top box is that set-top box is in running order under open state, set-top box is connected with the access authentication server by network interface such as Ethernet interface, after by network insertion, service access authentication, set-top box can begin live or demand (telecommunication) service, promptly selects request program and request is sent to business platform; When the user started Push VOD business, business platform received user's request and also stores, and asked the accounting server process user to be chargeed simultaneously, and sent out confirmation to set-top box users; After this set-top box can be selected to enter holding state or be kept open state.
Second stage: request program download phase
(1) if set-top box under open state:
After set-top box is passed through network, business authentication, business platform, multimedia service device, access authentication server are according to the network idle state status, starting program source downloads, whether it is that the program of multicast is downloaded and finished that the back set-top box that finishes of downloading program can eject that the Push program finishes, watched immediately by user's decision;
(2) if set-top box under holding state:
Send out by the access authentication server and to wake message up and wake set-top box up; After set-top box is waken up, at first by network, service access authentication, business platform, multimedia service device, access authentication server start program and download according to the network idle state status, and program is downloaded the back set-top box that finishes and can be entered holding state immediately or keep open state.The definition that wakes message up is the same, triggering for generating " wake-up interrupts " when the network interface of set-top box receives that destination address (DMAC) is the unicast message of this set-top box, this down trigger system control unit control start-up system.
Phase III: the local playback phase of request program
(1) set-top box is under open state:
Whether set-top box ejects user's request program download and finishes, play immediately; If just play the program of downloading, carry out playback otherwise can transfer program at any time by the user.
(2) set-top box is under holding state:
After user's start, whether set-top box ejects prompting and reminds user's request program to be ready to, selected to play by the user; At this time the user is equivalent at local broadcast program, and the playing programs quality is guaranteed, and user experience is effective.
The set-top box of present embodiment possesses following function at least:
(1) set-top box supports can have the particular network message to wake up under the holding state;
(2) switching of set-top box support performance state, holding state;
(3) set-top box supports program storage in local storage, for example hard disk (HDD);
(4) set-top box is supported the video frequency program of the local storage of playback.
Can send the specific message that wakes up for the access authentication server requirement.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The multimedia service device that the embodiment of the invention provides comprises as shown in Figure 6:
As shown in Figure 7, multimedia service device can also comprise:
The multimedia service device that the embodiment of the invention provides, can be in order to carry out the method for the propelling movement video frequency program that the embodiment of the invention provides, reach corresponding beneficial effect, the content that method embodiment describes can be used to support or the related content of explanation or supplementary device embodiment, for the sake of brevity, no longer be repeated in this description at this.
Be illustrated in figure 8 as the structural representation of the multimedia terminal that the embodiment of the invention provides, comprise:
The multimedia terminal can also comprise:
Reminding module 86 is used for downloading the back that finishes at described multi-medium data and sends information, and described information is used for having downloaded to the multi-medium data of user prompt program request and finishes.
The multimedia terminal can also comprise:
Playing module 87 is used to play the multi-medium data of described memory module 85 storages.
In an Application Example, above-mentioned multimedia terminal is a set-top box.The terminal that the embodiment of the invention is mentioned comprises the terminal that other can support VOD service, MP4 for example, DPF, building advertisement, portable media player (PMP, Portable Media Player) etc.
Figure 9 shows that the structural representation of the multimedia order programme system that the embodiment of the invention provides, comprising: multimedia service device 91 and at least one multimedia terminal 92,
Described multimedia terminal 92 is used for sending the multimedia-on-demand request to multimedia service device 91, receives the multi-medium data that described multimedia service device sends when network is idle;
Described multimedia service device 91 is used for judging whether current network is in idle condition after the multimedia-on-demand request that receives described multimedia terminal 92, if judge that network is in idle condition, sends the multi-medium data of program request to described multimedia terminal 92.
Further, described multimedia service device 91 also is used for sending to described multimedia terminal 92 and wakes message up, and the described message that wakes up is used to make described multimedia terminal 92 to switch to operating state from holding state;
Described multimedia terminal 92 also is used to receive the described message that wakes up, switches to operating state from holding state, to receive the multi-medium data that described multimedia service device 91 sends.
Multimedia terminal that the embodiment of the invention provides and multimedia order programme system, take all factors into consideration network condition by service end, when network is in idle condition, the multi-medium data of program request is pushed to terminal for example in the set-top box, can effectively utilizes idle bandwidth resources like this; If terminal standby then can wake terminal up by service end, terminal starts the multi-medium data that terminal receives program request after receiving and waking instruction up immediately, and terminal need not to be in open state always after program request, can save the power consumption of terminal.
The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the present invention and do not break away from the spirit and scope of the present invention according to application documents are disclosed.
Claims (14)
1, a kind of method that sends multi-medium data is characterized in that, comprising:
The multimedia-on-demand request of receiving terminal;
Judge whether the current time network is in idle condition,, send the multi-medium data of program request to described terminal if judge that network is in idle condition.
2, the method for claim 1 is characterized in that, describedly judges whether current network is in idle condition and comprises:
Judge whether preset time arrives, described preset time is the time that network is in idle condition; Or
Whether the data traffic of judging current network is less than default value, if be in idle condition less than default value representation network; Or
Whether the data packet loss of judging current network is less than default value, if be in idle condition less than default value representation network.
3, method as claimed in claim 1 or 2 is characterized in that, the described step that sends the multi-medium data of program request to described terminal also comprises before:
Wake message up to described terminal transmission, the described message that wakes up is used to make described terminal to switch to operating state from holding state.
4, method as claimed in claim 3 is characterized in that, the described message that wakes up is unicast message or multicast message.
5, a kind of method of downloading multi-medium data is characterized in that, comprising:
Send the multimedia-on-demand request to service end;
When terminal standby, receive the message that wakes up of described service end transmission, the described message that wakes up is used to make terminal to switch to operating state from holding state; Or when preset time arrives, described terminal being switched to operating state from holding state, described preset time is the time that network is in idle condition;
Receive the multi-medium data of described service end program request of transmission when network is idle.
6, method as claimed in claim 5 is characterized in that, also comprises:
After described multi-medium data download finishes, send indication information, described indication information is used for finishing to the multi-medium data download of user prompt program request; Or
After described multi-medium data download finishes, when described terminal is started shooting once more, send indication information, described indication information is used for finishing to the multi-medium data download of user prompt program request.
7, a kind of multimedia service device is characterized in that, comprising:
Business module is used for the multimedia-on-demand request of receiving terminal;
Judge module is used to judge whether current network is in idle condition;
Service module is used for sending to described terminal the multi-medium data of program request when described judge module judges that network is in idle condition.
8, device as claimed in claim 7 is characterized in that, also comprises:
Wake module is used for waking message up to described terminal transmission, and the described message that wakes up is used to make described terminal to switch to operating state from holding state.
9, a kind of multimedia terminal is characterized in that, comprising:
Communication module is used for communicating by network and service end;
The point broadcasting module is used for sending the multimedia-on-demand request by described communication module to service end;
The standby module is used for when terminal standby, receives the message that wakes up that described service end sends by communication module, and terminal is switched to operating state from holding state; Or when preset time arrives, terminal being switched to operating state from holding state, described preset time is the time that network is in idle condition;
Download module is used for receiving the multi-medium data of described service end in network program request of transmission during the free time by described communication module;
Memory module is used to store the multi-medium data that described download module receives.
10, terminal as claimed in claim 9 is characterized in that, also comprises:
Reminding module is used for downloading the back that finishes at described multi-medium data and sends information, and described information is used for having downloaded to the multi-medium data of user prompt program request and finishes.
11, terminal as claimed in claim 9 is characterized in that, also comprises:
Playing module is used for the multi-medium data of described memory module storage is decoded and exported.
As each described terminal of claim 9 to 12, it is characterized in that 12, described multimedia terminal is a set-top box.
13, a kind of multimedia order programme system is characterized in that, comprising: multimedia service device and at least one multimedia terminal,
Described multimedia terminal is used for sending the multimedia-on-demand request to described multimedia service device, receives the multi-medium data that described multimedia service device sends when network is idle;
Described multimedia service device is used for judging whether current network is in idle condition after the multimedia-on-demand request that receives described multimedia terminal, if judge that network is in idle condition, sends the multi-medium data of program request to described terminal.
14, system as claimed in claim 13 is characterized in that, described multimedia service device also is used for waking message up to the transmission of described multimedia terminal, and the described message that wakes up is used to make described multimedia terminal to switch to operating state from holding state;
Described multimedia terminal also is used to receive the described message that wakes up, switches to operating state from holding state, to receive the multi-medium data that described multimedia service device sends.
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| CN103079233A (en) * | 2011-10-25 | 2013-05-01 | 中国电信股份有限公司 | Method, device and system for issuing and processing data |
| CN105635747A (en) * | 2015-06-16 | 2016-06-01 | 广州市动景计算机科技有限公司 | Video cache method and device |
| CN105610740A (en) * | 2016-02-26 | 2016-05-25 | 华为技术有限公司 | Method for controlling port state, routing equipment and network processor |
| CN105610740B (en) * | 2016-02-26 | 2019-02-12 | 华为技术有限公司 | A kind of method, routing device and the network processing unit of control port state |
| CN105657071A (en) * | 2016-04-01 | 2016-06-08 | 太仓日森信息技术有限公司 | Live telecast push method based on network environments |
| CN105657071B (en) * | 2016-04-01 | 2018-11-30 | 盐城吉大智能终端产业研究院有限公司 | A kind of live information method for pushing of Network Environment |
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