CN103841450A - Wireless internet device, multimedia broadcast access device and method - Google Patents
Wireless internet device, multimedia broadcast access device and method Download PDFInfo
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Abstract
The invention discloses a wireless internet device, a multimedia broadcast access device and a method. The multimedia broadcast access device comprises: a wireless local area network communication module, which can be connected by one or more wireless internet devices; a policy manager, which receives policy meta data related to a multimedia broadcast program and generates an event message according to the policy meta data; an event manager, which registers a corresponding even and trigger condition according to the event message; a mobile multimedia broadcast demodulation unit, which responds to satisfaction of the trigger condition and demodulates an audio/video signal of a multimedia broadcast program associated with the event; and a streaming media server unit, which receives demodulated audio/video signal of the multimedia broadcast program from the mobile multimedia broadcast demodulation unit and distributes the audio/video signal of the multimedia broadcast program to the wireless internet device by the wireless local area network communication module.
Description
Technical field
The application relates to information technology, is specifically related to a kind of multimedia broadcasting access device and method.
Background technology
Along with the development of Internet technology and the communication technology, mobile Internet (Mobile Internet) and multimedia broadcasting (Multimedia Broadcast) have been widely used in the various aspects of daily life.Mobile Multimedia Broadcasting net can be standardized wireless broadcast network system, such as CMMB (China Mobile Multimedia Broadcast), ISTB-Tmm (Integrated Services Digital Broadcasting-Terrestrial mobile multimedia) etc.People receive the multimedia broadcasting such as TV and program of radio station by special CMMB receiving terminal or the mobile phone that carried CMMB module.
In indoor propagation, due to wall and window, there is the problem of jitter in Mobile Multimedia Broadcasting.Existing scheme, by equipment such as indoor location repeaters, realizes the object that strengthens signal.These methods have increased the cost of installing, and equipment can not use flexibly.
In addition, Mobile Multimedia Broadcasting needs receiving equipment deciphering, condition reception and broadcasting.Existing scheme is by hardware decryption and leading subscriber authority, and the specific application software of needs is play.These methods can not adapt to current user and have multiple terminal equipment, the situation of free mounting software.
Summary of the invention
Consider one or more problem of the prior art, the application has proposed a kind of wireless internet appliance, multimedia broadcasting access device and method thereof.
According to an embodiment, a kind of multimedia broadcasting access device is provided, comprising: wireless local area network communications module, can be accessed by one or more wireless internet appliance; Policy manager, receives the policy metadata about multimedia broadcasting program, and generates event message according to described policy metadata; Task manager, registers corresponding event and trigger condition according to described event message; Mobile Multimedia Broadcasting demodulating unit, in response to meeting of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event; Streaming media server unit, the audio/video signal of the multimedia broadcasting program from Mobile Multimedia Broadcasting demodulating unit receiving demodulation, and by wireless local area network communications module, the audio/video signal of described multimedia broadcasting program is distributed to described wireless internet appliance.
According to another embodiment, a kind of method in multimedia broadcasting access device route multimedia broadcasting is provided, comprising: receive the policy metadata about multimedia broadcasting program, and generate event message according to described policy metadata; Register corresponding event and trigger condition according to described event message; In response to meeting of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event, and by WLAN (wireless local area network), the audio/video signal of described multimedia broadcasting program is distributed to wireless internet appliance.
According to an embodiment again, a kind of wireless internet appliance is provided, comprising: Mobile Multimedia Broadcasting demodulation module, receives mobile multi-media broadcast program signal; Wireless local area network communications module, carries out data communication by WLAN (wireless local area network) and multimedia broadcasting access device, to receive described mobile multi-media broadcast program signal; Handoff manager, follows the tracks of the received signal quality of described Mobile Multimedia Broadcasting demodulation module and the received signal quality of wireless local area network communications module, enables corresponding player play described mobile multi-media broadcast program according to described received signal quality.
Utilize equipment and the method for above-described embodiment, strengthened the ability of indoor equipment access mobile media broadcasting network, eliminated mobile multimedia broadcast signal intensity difference in indoor situation and caused user cannot receive the problem of mobile multi-media broadcast program.
Accompanying drawing explanation
Fig. 1 shows the schematic block diagram of multimedia broadcasting access point according to an embodiment of the invention and wireless internet appliance;
Fig. 2 shows the schematic block diagram of the policy manager in multimedia broadcasting access point according to another embodiment of the present invention;
Fig. 3 shows the flow chart of the operating process of the policy manager in multimedia broadcasting access point according to an embodiment of the invention;
Fig. 4 shows the schematic block diagram of the task manager in multimedia broadcasting access point according to an embodiment of the invention;
Fig. 5 shows according to the state machine diagram between the handled event of task manager in the multimedia broadcasting access point of the embodiment of the present invention;
Fig. 6 shows the structural representation of wireless internet appliance according to an embodiment of the invention;
Fig. 7 shows according to the schematic diagram of the operating process of the wireless internet appliance of the embodiment of the present invention;
Fig. 8 shows the schematic diagram of the operating process of multimedia broadcasting access point according to an embodiment of the invention;
Fig. 9 shows according to the schematic block diagram of the multimedia broadcasting access point of further embodiment of this invention.
Embodiment
Describe the disclosed preferred implementation of the application in detail with reference to accompanying drawing below.In the accompanying drawings, although be shown in different accompanying drawings, identical Reference numeral is for representing identical or similar assembly.For clarity and conciseness, the detailed description that is included in the known function and structure here will be omitted, and avoid the theme of each embodiment that makes the application unclear.
Fig. 1 shows the schematic block diagram of multimedia broadcasting access point according to an embodiment of the invention.According to one or more embodiment of the application, by utilizing MiMBAN (Mobile Internet and Multimedia Broadcasting Access Node, MiMBAN) 120 multiple network access capability is realized transmitting mobile multimedia broadcasted content to one or more WiD 111,112,113 Internet-browser, and with WiD 111,112, the application on 113 and the content on the Internet realize interactive.
Can comprise wireless wide area network (WWAN) communication module 124, WLAN (wireless local area network) (WLAN) communication module 121 and Mobile Multimedia Broadcasting (MMB) demodulation module 127 etc. according to the MiMBAN equipment 120 of an embodiment.
As mentioned above, mobile Internet and multimedia broadcasting access point (Mobile Internet and Multimedia Broadcasting Access Node, MiMBAN) the 120th, one possesses the equipment of MMB (Mobile Multimedia Broadcasting net), WWAN (wireless wide area network) and WLAN (WLAN (wireless local area network)) access capability.Wireless wide area network communication module 124 can be based on any standardized beehive network system, such as WCDMA (Wideband Code Division Multiple Access (WCDMA)), CDMA (code division multiple access), WiMAX, LTE (Long Term Evolution), LTE-A (advanced Long Term Evolution) etc.Mobile Multimedia Broadcasting demodulation module 127 can be based on any standardized wireless broadcast network system, such as CMMB (China Mobile Multimedia Broadcast), ISTB-Tmm (Integrated Services Digital Broadcasting-Terrestrial mobile multimedia) etc.
Wireless local area network communications module 121 can be the WiFi access point based on IEEE 802.11.According to another embodiment, the communication protocol that WLAN communication module 121 also can be based on other, such as bluetooth etc.
According to one or more embodiment, wireless interconnected network termination (Wireless Internet Device, WiD) 111 can be a kind of terminal equipment of the multiple different internet, applications of support with wireless lan interfaces, for example: smart mobile phone, panel computer, notebook computer etc.Common internet, applications comprises by browser or player etc. to be applied.
Wireless wide area network communication module 124 is obtained and multimedia broadcasting related content with entity communication and the application server (Fig. 1 is not shown) of active from the Internet on the Internet.Wireless local area network communications module 121 and multiple WiD 111,112,113 to-talk internet contents, multimedia broadcast contents and application-dependent data etc.Mobile Multimedia Broadcasting demodulation module 127 receives programme content and the programme information content etc. of Mobile Multimedia Broadcasting base station broadcast.According to another embodiment of the present invention, mobile multi-media broadcast program content that Mobile Multimedia Broadcasting demodulation module 127 can also receiving satellite broadcast etc., and can be connected to the Internet or cable television network by land communication interface.
According to the application embodiment, mobile Internet and multimedia broadcasting access point 120 can also comprise: streaming media server unit 125, flow medium buffer unit 122, policy manager 123 and task manager 126 etc.
Application on policy manager 123 and WiD 111,112,113 or the application on the Internet are mutual, for example, receive the apply metadata about multimedia broadcasting program from wireless internet appliance 111, and generate event message according to described apply metadata.According to an embodiment, the form of the data division in these apply metadatas is based on XML or Java.
According to one embodiment of present invention, the triggering of the event that flow medium buffer unit 122 is registered in response to task manager 126, to WiD 111 transmitting multimedia broadcast video files.
According to still another embodiment of the invention, policy management element 123 is in response to wireless internet appliance WiD 111,112,113 request, provides the apply metadata about multimedia broadcasting program from the application server on the Internet by wireless local area network communications module 121 to described wireless internet appliance 111.Like this, for example the WiD of mobile phone and so on can ask the metadata information about broadcast program to mobile Internet and multimedia broadcasting access point 120.
According to another embodiment of the present invention, above-mentioned flow medium buffer unit 122 is optional, if need to support the application of multimedia broadcasting program storage class, just can increase flow medium buffer unit 122, the audio/video signal of the multimedia broadcasting program after multimedia broadcasting demodulation module 127 receiving demodulations is cached to file, and download for WiD 111,112,113 by WLAN communication module 121.
According to still another embodiment of the invention, streaming media server unit 125 can also convert the audio/video signal receiving from Mobile Multimedia Broadcasting demodulating unit 127 to WiD required form according to the requirement of WiD.For example, such format conversion requires can be included in apply metadata, the audio/video form that the resolution that the display screen of such as WiD is supported and browser are supported etc.
According to still another embodiment of the invention, mobile Internet and multimedia broadcasting access point 120 also include line interface (the land communication interface in Fig. 1), are connected to the Internet or other networks by the mode of wired connection.
According to still another embodiment of the invention, policy manager 123 in mobile Internet and multimedia broadcasting access point 120 is resolved the policy metadata of the server on application or carrier network from WiD, and generates the specific event message of Mobile Multimedia Broadcasting according to the result of explaining.。
Although above with the formal description of discrete unit the structure of multimedia broadcasting access point, those of ordinary skill in the art should be appreciated that and above-mentioned multiple unit can be integrated to realize.For example policy manager can be embodied as together with task manager to the form of software, or flow medium buffer unit 122 and streaming media server unit 125 are integrated to realization.
Fig. 2 shows the schematic block diagram of the policy manager in multimedia broadcasting access point according to another embodiment of the present invention.As shown in Figure 2, according to the present embodiment, policy management element 123 comprises strategy interpreting device 1231 and event generating 1232.
For example, user operates an application program on the browser interface of WiD 111, subscribes to the timed reminding of certain TV programme, and the night news program of CCTV news channel is watched in for example 22:00-22:30 timing.The apply metadata that this timed reminding comprises, for example { Apply Names: TV programme timed reminding, Start Date: 2011-08-30, reminder time: Beijing time 21:58, alerting pattern: status bar, channel: CCTV news channel, time started: Beijing time 22:00, duration: 0.5 hour, programm name: night news program, keyword: news category }.
In this application of browser execution, this policy metadata is connected by the policy manager 123 in MiMBAN access point 120 and is obtained by WLAN, and obtaining address is http: // 192.168.1.1:8080/AppManager.
Fig. 3 shows the flow chart of the operating process of the policy manager in multimedia broadcasting access point according to an embodiment of the invention.As shown in Figure 3, for example, at S311 and S321, respectively from browser URL or the application A PI interface of WiD 111, and network application server address URL on the Internet receives policy metadata.At S312 and S322, strategy interpreting device 1231 is resolved the data of data division XML form in the policy metadata receiving or Java form, and extracts wherein to user account and strategy is described and browser is relevant delivery of content to event generating 1232.At S313, according to multimedia broadcasting event definition, compiling generates event message to event generating 1232.
At S314, event generating 1232 judges whether to need event feedback.If do not need feedback, return to the policy metadata state that receives of waiting for.If need feedback, register feedback event, enter waiting event feedback states at S315.At S316, receive event feedback message from task manager 126.At S317, strategy interpreting device 1232 is compiled into policy metadata feedback event information.In 318 sending strategy metadata to browser URL or the application A PI interface of WiD, and network application server address URL on the Internet.
Fig. 4 shows the schematic block diagram of the task manager in multimedia broadcasting access point according to an embodiment of the invention.As shown in Figure 4, task manager 126 is received and dispatched event message from policy manager 123, and from Mobile Multimedia Broadcasting demodulation module 127 program receiving information, Admin Events sends trigger message to streaming media server unit 125 and flow medium buffer unit 122.
As shown in Figure 4, task manager 126 is defined as follows event: event identifier, the interior unique identification to event of MiMBAN equipment 120; Event type, according to the different operating Distinguish of convection media server unit 125 and flow medium buffer unit 122; State-event, whether event activates, whether registers the information such as waiting event feedback, event executing state; The event time started, the task that event time is described starts the time of carrying out; Incident duration, event is from starting to carry out the duration of end execution.
According to embodiments of the invention, Mobile Multimedia Broadcasting demodulating unit 127 possesses ESG (electronic service guidebooks) decoder, can from Mobile Multimedia Broadcasting, decode and obtain ESG.Like this, event management unit 126 can obtain from ESG decoder the ESG information of renewal, forms event information, and these event informations are sent to policy management element 123, and forming strategies metadata, sends to the application server on WiD 111 or the Internet.
Fig. 5 shows according to the state machine diagram between the handled event of task manager in the multimedia broadcasting access point of the embodiment of the present invention.
As shown in Figure 5,502, from event default conditions, event has activated or has registered in waiting event feedback.Timer timing, to the event time started, enters event initial state from event default conditions, 503, triggers the corresponding operating of streaming media server unit 125 or flow medium buffer unit 122 according to event type.505, in event time-continuing process, user hands over family or the applications trigger event event that enters to adjust state, triggers the corresponding adjustment operation of streaming media server unit 125 or flow medium buffer unit 122 according to the event type of adjusting.
501, in time remaining process, user hands over family or applications trigger event to enter event update state, receives new programme information from Mobile Multimedia Broadcasting demodulation module 127, or user hands over family or the mutual renewal to event content itself of application;
504, timing finished to duration time, entered event done state from event adjustment state, and event identifier etc. is waited for, emptied to close event, un-register feedback event.
Fig. 6 shows the structural representation of wireless internet appliance according to an embodiment of the invention.As shown in Figure 6, possesses browser 1131 according to the wireless internet appliance of the embodiment of the present invention, MMB player 1132, WLAN communication module 1134, MMB demodulator 1135 and handoff manager 1133.Handoff manager 1133 is preserved different user (user's) strategy, and can between different strategies, switch.This handoff manager 1133 can also be switched between different communication modules and corresponding player, in the time that the received signal quality of certain communication module is bad, automatically switch in another communication module, for example when user in the process with MMB player plays MMB program from outdoor enter into indoor, MMB signal level reduces, handoff manager 113 can automatically switch in WLAN communication module 1134, and be switched on the player 1131 of browser, like this, receive this MMB program and play by the player of browser by WLAN (wireless local area network).
Fig. 7 shows according to the schematic diagram of the operating process of the wireless internet appliance of the embodiment of the present invention.At S711, the module switch of handoff manager is followed the tracks of received signal level.At S712, judge that received signal level is lower than MMB signal level thresholds.When received signal level is during lower than MMB signal level thresholds, judge whether WLAN channel can be used.When received signal level is during higher than MMB signal level thresholds, flow process goes back to step S711, continues to follow the tracks of received signal level.
Unavailable when WLAN channel, flow process goes back to step S711, continues to follow the tracks of received signal level.Otherwise at S714, wireless internet appliance is connected to MMB receiving equipment.Then,, at step S715, the metadata of wireless internet appliance and MMB receiving equipment consulting device, for example, obtain the device metadata of wireless internet appliance etc.At step S716, wireless internet appliance starts the browser player of registration, starts to play MMB program.At step S717, exit MMB player application and close MMB demodulation module 1135 at step S718.
Below in conjunction with an example, the Mobile Multimedia Broadcasting access point according to the embodiment of the present application is described.Fig. 8 shows the schematic diagram of the operating process of multimedia broadcasting access point according to an embodiment of the invention.In the example shown in Fig. 8, two different wireless internet appliance WiD1 and WiD2 receive MMB program from MMB receiving equipment respectively.For example, MiMBAN equipment is placed on the indoor location that the signals such as window limit are good, household can open any browser watch mobile multi-media broadcast program on any WiFi equipment (as mobile phone or panel computer etc.).
As shown in Figure 8, for example, at S811, S812 and S813, MMB receiving equipment receives policy metadata from the network application server address URL from the Internet respectively, from browser URL or the application A PI interface receiving equipment metadata of wireless internet appliance WiD 2, and from browser URL or the application A PI interface receiving equipment metadata of wireless internet appliance WiD12.At S814, strategy interpreting device 1231 is resolved the data of data division XML form in the apply metadata receiving or Java form, and extract wherein describe to user account and strategy and the relevant delivery of content of browser to event generating 1232, according to multimedia broadcasting event definition, compiling generates event message to event generating 1232.
For wireless internet appliance WiD2, at step S815 event timing device then, trigger MMB tuner and receive MMB program, and at step S816MMB receiving equipment by the MMB program sending receiving to wireless internet appliance WiD2.Then, judge whether to need event feedback at step S817 event generating.If do not need feedback, return to the policy metadata state that receives of waiting for.If need feedback, register feedback event, enter waiting event feedback states, receive event feedback message from task manager.Strategy interpreting device is compiled into policy metadata feedback event information.Browser URL or application A PI interface in S818 sending strategy metadata to WiD2, and at S819, first strategy number is sent to the network application server address URL on the Internet.
For wireless internet appliance WiD1, at step S820 event timing device then, trigger MMB tuner and receive MMB program, and at step S821MMB receiving equipment by the MMB program sending receiving to wireless internet appliance WiD1.Then, judge whether to need event feedback at step S822 event generating.If do not need feedback, return to the policy metadata state that receives of waiting for.If need feedback, register feedback event, enter waiting event feedback states, receive event feedback message from task manager.Strategy interpreting device is compiled into policy metadata feedback event information.Browser URL or application A PI interface in S823 sending strategy metadata to WiD1, and at S824, first strategy number is sent to the network application server address URL on the Internet.
Below in conjunction with another example, the Mobile Multimedia Broadcasting access point according to the embodiment of the present application is described.Fig. 9 shows according to the schematic block diagram of the multimedia broadcasting access point of further embodiment of this invention.In the example shown in Fig. 9, wireless internet appliance can be switched between different modules and browser.For example, user carries Mobile Multimedia Broadcasting mobile phone and watch Mobile Multimedia Broadcasting on next road, mobile multimedia broadcast signal variation after going back home, and equipment automatically switches on MiMBAN equipment, and user continues the smooth Mobile Multimedia Broadcasting of watching.
At S911, MMB receiving equipment receives policy metadata from carrier network.At S912, policy metadata is sent to wireless internet appliance WiD by MMB receiving equipment, pre-configured WLAN manager.User continues at outdoor reception MMB program.At step S913, the handoff manager of wireless internet appliance WiD is followed the tracks of MMB signal incoming level, when received signal level scans pre-configured WLAN channel at step S914 during lower than predetermined threshold, and be connected to MMB receiving equipment at step S915, at step S916, its device metadata sent to MMB receiving equipment simultaneously.
Next, at S918, event timing device triggers the MMB demodulation module of wireless internet appliance, receives MMB program by MMB receiving equipment, and at step S918, the MMB programme signal of its reception is sent to wireless internet appliance WiD by MMB receiving equipment.Receiving in the process of MMB program, judge whether to need event feedback at step S921 event generating.If do not need feedback, return to the policy metadata state that receives of waiting for.If need feedback, register feedback event, enter waiting event feedback states, receive event feedback message from task manager.Strategy interpreting device is compiled into policy metadata feedback event information.Browser URL or application A PI interface in S920 sending strategy metadata to WiD, and at S921, first strategy number is sent to the network application server address URL on the Internet.
Adopt the scheme of the embodiment of the present invention, by utilizing MiMBAN equipment receiving signal and playing function separately, realize the Internet-browser of transmitting mobile multimedia broadcasted content to multiple indoor WiD, reach and strengthen indoor reception.MiMBAN equipment is controlled by operator, explains condition reception strategy, reaches the object of expansion Mobile Multimedia Broadcasting to multiple terminals.The equipment of Tape movement multimedia broadcasting function enter indoor after, also can automatically switch to pre-configured MiMBAN equipment.
Above detailed description is by user's block diagram, flow chart and/or example, the numerous embodiment that set forth wireless internet appliance, multimedia broadcasting access device and method.In the situation that this block diagram, flow chart and/or example comprise one or more functions and/or operation, it will be understood by those skilled in the art that each function in this block diagram, flow chart or example and/or operation can by various hardware, software, firmware or in fact their combination in any come separately and/or jointly realize.In one embodiment, described in embodiments of the invention, some parts of theme can realize by application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA), digital signal processor (DSP) or other integrated forms.But, those skilled in the art will recognize that, some aspects of embodiment disclosed herein can realize in integrated circuit on the whole or partly equally, (be for example embodied as one or more computer programs of moving on one or more computer, be embodied as one or more programs of moving in one or more computer system), (be for example embodied as one or more programs of moving on one or more processors, be embodied as one or more programs of moving on one or more microprocessors), be embodied as firmware, or be embodied as in fact the combination in any of aforesaid way, and those skilled in the art are according to the disclosure, to possess design circuit and/or write software and/or the ability of firmware code.In addition, those skilled in the art will recognize that, described in the disclosure, the mechanism of theme can be distributed as the program product of various ways, and regardless of the actual particular type of signal bearing medium that is used for carrying out distribution, and the exemplary embodiment of theme is all suitable for described in the disclosure.The example of signal bearing medium includes but not limited to: recordable-type media, as floppy disk, hard disk drive, compact-disc (CD), digital universal disc (DVD), digital magnetic tape, computer storage etc.; And transmission type media, for example, as numeral and/or analog communication medium (, optical fiber cable, waveguide, wire communication link, wireless communication link etc.).
Although described the present invention with reference to several exemplary embodiments, should be appreciated that term used is explanation and exemplary and nonrestrictive term.Because can specifically implementing in a variety of forms, the present invention do not depart from spirit or the essence of invention, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in the claim of enclosing, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be the claim of enclosing and contain.
Claims (20)
1. a multimedia broadcasting access device, comprising:
Wireless local area network communications module, can be accessed by one or more wireless internet appliance;
Policy manager, receives the policy metadata about multimedia broadcasting program, and generates event message according to described policy metadata;
Task manager, registers corresponding event and trigger condition according to described event message;
Mobile Multimedia Broadcasting demodulating unit, in response to meeting of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event;
Streaming media server unit, the audio/video signal of the multimedia broadcasting program from Mobile Multimedia Broadcasting demodulating unit receiving demodulation, and by wireless local area network communications module, the audio/video signal of described multimedia broadcasting program is distributed to described wireless internet appliance.
2. access device as claimed in claim 1, also comprises wireless wide area network communication module, and described policy manager is mutual by the application server on described wireless wide area network communication module and the Internet.
3. access device as claimed in claim 2, described policy manager, in response to the request of wireless internet appliance, provides the policy metadata about multimedia broadcasting program from application server by WLAN (wireless local area network) to described wireless internet appliance.
4. access device as claimed in claim 2, wherein said policy manager comprises strategy interpreting device, obtains the policy metadata about multimedia broadcasting program from the browser URL of described wireless internet appliance or the api interface of application program.
5. access device as claimed in claim 1, wherein said policy manager comprises strategy interpreting device, receive event feedback message from task manager, based on the event feedback message generation strategy metadata receiving, and the policy metadata of generation is sent to the application server for storage on Internet.
6. access device as claimed in claim 1, also includes line interface, is connected to the Internet in wired mode.
7. access device as claimed in claim 1, wherein said wireless local area network communications module is specially the WiFi access point based on IEEE 802.11.
8. access device as claimed in claim 1, the form of the data division in wherein said policy metadata is based on XML or Java.
9. access device as claimed in claim 1, wherein said streaming media server unit is distributed to described wireless internet appliance after the audio/video signal of described multimedia broadcasting program being converted to the form of specifying in described event message.
10. in a method for multimedia broadcasting access device route multimedia broadcasting, comprising:
Receive the policy metadata about multimedia broadcasting program, and generate event message according to described policy metadata;
Register corresponding event and trigger condition according to described event message;
In response to meeting of described trigger condition, the audio/video signal of the multimedia broadcasting program that demodulation is associated with described event, and by WLAN (wireless local area network), the audio/video signal of described multimedia broadcasting program is distributed to wireless internet appliance.
11. methods as claimed in claim 10, also comprise:
Mutual by the application server on wireless wide area network and the Internet.
12. methods as claimed in claim 11, also comprise:
In response to the request of wireless internet appliance, provide the apply metadata about multimedia broadcasting program from application server by WLAN (wireless local area network) to described wireless internet appliance.
13. methods as claimed in claim 11, also comprise:
Obtain the policy metadata about multimedia broadcasting program from the browser URL of described wireless internet appliance or the api interface of application program.
14. methods as claimed in claim 10, also comprise:
Reception event feedback message, based on the event feedback message generation strategy metadata receiving, and sends to the application server for storage on the Internet by the policy metadata of generation.
15. methods as claimed in claim 10, wherein said wireless local area network communications module is specially the WiFi access point based on IEEE 802.11.
16. methods as claimed in claim 10, the form of the data division in wherein said policy metadata is based on XML or Java.
17. 1 kinds of wireless internet appliance, comprising:
Mobile Multimedia Broadcasting demodulation module, receives mobile multi-media broadcast program signal;
Wireless local area network communications module, carries out data communication by WLAN (wireless local area network) and multimedia broadcasting access device, to receive described mobile multi-media broadcast program signal;
Handoff manager, follows the tracks of the received signal quality of described Mobile Multimedia Broadcasting demodulation module and the received signal quality of wireless local area network communications module, enables corresponding player play described mobile multi-media broadcast program according to described received signal quality.
18. wireless internet appliance as claimed in claim 17, wherein when the received signal quality of described Mobile Multimedia Broadcasting demodulation module is during lower than the received signal quality of wireless local area network communications module, described handoff manager stops the player relevant to described Mobile Multimedia Broadcasting demodulation module, and enables the player relevant to described wireless local area network communications module.
19. wireless internet appliance as claimed in claim 17, wherein when the received signal quality of described Mobile Multimedia Broadcasting demodulation module is during higher than the received signal quality of wireless local area network communications module, described handoff manager stops the player relevant to described wireless local area network communications module, and enables the player relevant to described Mobile Multimedia Broadcasting demodulation module.
20. wireless internet appliance as claimed in claim 17, wherein said wireless internet appliance is one of mobile phone, panel computer, PDA and notebook computer.
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CN114064330B (en) * | 2022-01-12 | 2022-05-13 | 广东睿江云计算股份有限公司 | Hook callback broadcast forwarding method and system based on OpenVidu |
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