CN106535005A - Method and device for realizing broadcast control service - Google Patents

Method and device for realizing broadcast control service Download PDF

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Publication number
CN106535005A
CN106535005A CN201610941222.2A CN201610941222A CN106535005A CN 106535005 A CN106535005 A CN 106535005A CN 201610941222 A CN201610941222 A CN 201610941222A CN 106535005 A CN106535005 A CN 106535005A
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CN
China
Prior art keywords
broadcast control
lan
program
multicast
module
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CN201610941222.2A
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Chinese (zh)
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CN106535005B (en
Inventor
艾本仁
鲍海兵
易晓莉
沈峰平
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BEIJING BAUSTEM INFORMATION TECHNOLOGY Co Ltd
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BEIJING BAUSTEM INFORMATION TECHNOLOGY Co Ltd
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Priority to CN201610941222.2A priority Critical patent/CN106535005B/en
Publication of CN106535005A publication Critical patent/CN106535005A/en
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Publication of CN106535005B publication Critical patent/CN106535005B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/643Communication protocols
    • H04N21/64322IP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/64Addressing
    • H04N21/6402Address allocation for clients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/64Addressing
    • H04N21/6405Multicasting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/65Transmission of management data between client and server
    • H04N21/658Transmission by the client directed to the server
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/858Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention provides a method and a device for realizing the broadcast control service. The method comprises the steps of receiving a first broadcast control request from a home network based on the internet protocol (IP) address of a home local area network (LAN) by a media server module; according to the URL of a broadcast control program of the first broadcast control request in the Home LAN, sending a second broadcast control request to a broadcast control agent module by the media server module according to the IP address in the IP LAN; converting the identifier of the broadcast control program of the second broadcast control request into the multicast group address of the broadcast control program in the IP LAN by the broadcast control agent module; sending the multicast group address of the broadcast control program in the IP LAN to the media server module according to the IP address in the IP LAN; according to the multicast group address of the broadcast control program in the IP LAN, acquiring the IP multicast stream of the broadcast control program by the media server module; converting the IP multicast stream of the broadcast control program into an IP unicast stream and sending the IP multicast stream to a home network terminal.

Description

A kind of method and apparatus for realizing Broadcast Control business
Technical field
Present document relates to but be not limited to broadcasting and TV and field of telecommunications, espespecially a kind of method and apparatus for realizing Broadcast Control business.
Background technology
In incumbent operator field of terminal, such as field of set-top, Set Top Box receives the Broadcast Control request from user; Wherein, Broadcast Control request includes the Broadcast Control program (programme televised live or request program) asked;Set Top Box is asked in obtaining Broadcast Control request The corresponding Broadcast Control stream of Broadcast Control program, the Broadcast Control stream of acquisition is decoded, decoded Broadcast Control stream is sent to into television set and is entered Row is played.
At present, with the development of home network technologies, (such as, user is expected in the family in multiple home network terminals Smart mobile phone, intelligent television, TV box or PC (PC, Personal Computer)) on can receive Broadcast Control Business (i.e. live broadcast service or demand (telecommunication) service).These home network terminals are all based on Internet protocol (IP, Internet Protocol), and possess corresponding media stream decoder.
Now, as the Broadcast Control stream that conventional set-top box is obtained is based on DVB (DVB, Digital Video Broadcasting) agreement and Set Top Box is done directly decoding, be sent to television set is decoded signal, and family The network terminal does not support DVB agreements so that home network terminal cannot get Broadcast Control business from conventional set-top box.Having must A kind of method for realizing Broadcast Control business is invented, by traditional DVB protocol conversions into IP and to home network terminal forwarding so that Home network terminal can obtain Broadcast Control stream.
The content of the invention
The embodiment of the present invention proposes a kind of method and apparatus for realizing Broadcast Control business, can provide for home network terminal Broadcast Control business.
The embodiment of the present invention proposes a kind of method for realizing Broadcast Control business, including:
Media server module based on the internet protocol address on family lan Home LAN, receive from The first Broadcast Control request in home network;Wherein, the first Broadcast Control request includes:Unified resource of the Broadcast Control program in Home LAN Finger URL URL;
URL of the media server module according to the Broadcast Control program in the first Broadcast Control request in Home LAN, based in IP IP address on local network LAN, sends the second Broadcast Control comprising program identification to Broadcast Control proxy module and asks;
Broadcast Control program identification in second Broadcast Control request is converted into Broadcast Control program on IP LAN by Broadcast Control proxy module Multicast group address, is sent to media clothes based on multicast group address of the IP address on IP LAN by Broadcast Control program on IP LAN Business device module;
Media server module is based on the IP address on IP LAN, the multicast group ground according to Broadcast Control program on IP LAN Location adds multicast group, obtains the IP multicast data flows of Broadcast Control program, and the IP multicast data flows of acquisition are converted into IP unicast stream, and based on IP unicast stream is sent to home network terminal by the IP address on Home LAN.
Optionally, the media server module sends the second Broadcast Control request to Broadcast Control proxy module and includes:
The media server module parses the URL, obtain the Broadcast Control program identification, or is prestoring The corresponding Broadcast Control sections of URL in the first Broadcast Control request are searched in the first corresponding relation between URL and Broadcast Control program identification Target is known, and based on the IP address on IP LAN, sends comprising Broadcast Control program identification second to the Broadcast Control proxy module Broadcast Control is asked.
Optionally, program identification of the Broadcast Control program identification for programme televised live;Broadcasting in the request by the second Broadcast Control Control program identification is converted into multicast group address of the Broadcast Control program on IP LAN to be included:
Multicast group address of the Broadcast Control agency in the program identification of the programme televised live for pre-building and on IP LAN it Between the second corresponding relation in search programme televised live in second Broadcast Control request program identification it is corresponding on IP LAN Multicast group address;
Or, the program identification of the programme televised live is sent to DVB to IP multicast forwarding modules by the Broadcast Control agency;Institute State DVB to IP multicast forwardings module the program identification of the programme televised live for pre-building and the multicast group address on IP LAN it Between the second corresponding relation in search the corresponding multicast group address on IP LAN of program identification of the programme televised live, will look into The multicast group address on IP LAN for finding is sent to the Broadcast Control agency.
Optionally, also include before the method:
The Broadcast Control proxy module or DVB to IP multicast forwarding modules pre-build the program identification of programme televised live and in IP The second corresponding relation between multicast group address on LAN.
Optionally, the Broadcast Control proxy module or DVB to IP multicast forwarding modules pre-build the program mark of programme televised live Know and the second corresponding relation between the multicast group address on IP LAN includes:
The Broadcast Control proxy module receives the section from program information management module based on the IP address on IP LAN After mesh information change message, the programme information of programme televised live is obtained from program information management module, and to DVB to the IP multicasts Transponder module send configuration Provisioning is asked;Wherein, programme information includes the program identification of programme televised live, Provisioning requests include the program identification of programme televised live;
DVB to the IP multicast forwardings module is that each program identification in Provisioning requests distributes in IP Multicast group address on LAN;
DVB to the IP multicast forwardings module by the program identification of programme televised live and multicast group address on IP LAN it Between the second corresponding relation be sent to the Broadcast Control proxy module;The Broadcast Control proxy module preserves the second correspondence for receiving and closes System;Or,
DVB to the IP multicast forwardings module preserves the program identification of the programme televised live and the multicast group on IP LAN The second corresponding relation between address.
Optionally, program identification of the Broadcast Control program identification for request program;The Broadcast Control proxy module is broadcast second Broadcast Control program identification in control request is converted into multicast group address of the Broadcast Control program on IP LAN to be included:
After the Broadcast Control proxy module receives the second Broadcast Control request, send to DVB to IP multicast repeaters Provisioning is asked;Wherein, Provisioning requests include:The program identification of request program;
DVB to IP multicast forwardings module is that request program distributes the multicast group address on IP LAN, by distribution in IP Multicast group address on LAN is sent to Broadcast Control proxy module.
Optionally, the multicast group address according to Broadcast Control program on IP LAN adds multicast group, obtains Broadcast Control program IP multicast data flows include:
The media server module sends to DVB to the IP multicast forwardings module and adds multicast group request;Wherein, institute Stating addition multicast group request includes multicast group address of the Broadcast Control program on IP LAN;DVB to the IP multicast forwardings module is obtained Take the corresponding Broadcast Control program of multicast group address and issue frequency and program number in DVB networks;And existed according to the Broadcast Control program Frequency and program number are issued in DVB networks, the Broadcast Control program stream in DVB networks is received using DVB agreements;Parse the Broadcast Control Program stream obtains payload, then according to payload described in the data is activation protocol packing of IP network obtains the IP multicasts Stream, and the payload after packing is sent to into the media server module.
The embodiment of the present invention also proposed a kind of device for realizing Broadcast Control business, including:
Media server module, for based on the internet protocol address on family lan Home LAN, receiving Ask to the first Broadcast Control in home network;Wherein, the first Broadcast Control request includes:System of the Broadcast Control program in Home LAN One URLs URL;
According to URL of the Broadcast Control program in the first Broadcast Control request in Home LAN, based on the IP on IP local network LANs Address, sends the second Broadcast Control comprising program identification to Broadcast Control proxy module and asks;
Broadcast Control proxy module, is converted into Broadcast Control program in IP LAN for the Broadcast Control program identification during the second Broadcast Control is asked On multicast group address, matchmaker is sent to based on multicast group address of the IP address on IP LAN by Broadcast Control program on IP LAN Body server module;
Media server module is additionally operable to:Based on the IP address on IP LAN, according to Broadcast Control program on IP LAN Multicast group address adds multicast group, obtains the IP multicast data flows of Broadcast Control program, the IP multicast data flows of acquisition are converted into IP unicast stream, and Based on the IP address on Home LAN, IP unicast stream is sent to into home network terminal.
Optionally, the media server module is specifically for realizing in the following ways sending the to Broadcast Control proxy module Two Broadcast Controls are asked:
Parse the URL, obtain the Broadcast Control program identification, or the URL and Broadcast Control program identification for prestoring it Between the first corresponding relation in search corresponding Broadcast Control program identifications of URL in first Broadcast Control request, and based in IP IP address on LAN, sends the second Broadcast Control comprising Broadcast Control program identification to the Broadcast Control proxy module and asks.
Optionally, program identification of the Broadcast Control program identification for programme televised live;The Broadcast Control proxy module specifically for Realize in the following ways it is described second Broadcast Control is asked in Broadcast Control program identification be converted into Broadcast Control program on IP LAN Multicast group address:
The second correspondence in the program identification of the programme televised live for pre-building and between the multicast group address on IP LAN The corresponding multicast group address on IP LAN of program identification of the programme televised live in the second Broadcast Control request is searched in relation;
Or, the program identification of the programme televised live is sent to into DVB to IP multicast forwarding modules;Receive from DVB To the multicast group address on IP LAN of IP multicast forwarding modules;
Also include:
DVB to IP multicast forwarding modules, in the program identification of the programme televised live for pre-building and on IP LAN The corresponding group on IP LAN of program identification of the programme televised live is searched in the second corresponding relation between multicast group address Group address is broadcast, the multicast group address on IP LAN for finding is sent to into the Broadcast Control agency.
Optionally, the Broadcast Control proxy module or DVB to IP multicast forwarding modules are additionally operable to:
Pre-build the program identification and the second corresponding relation between the multicast group address on IP LAN of programme televised live.
Optionally, the Broadcast Control proxy module is specifically for realizing in the following ways pre-building the program of programme televised live Mark and the second corresponding relation between the multicast group address on IP LAN:
Based on the IP address on IP LAN, the programme information change message from program information management module is received Afterwards, the programme information of programme televised live is obtained from program information management module, and is sent to DVB to the IP multicast repeaters module Configuration Provisioning requests;Wherein, programme information includes the program identification of programme televised live, and Provisioning requests include The program identification of programme televised live;
Receive the second corresponding relation from DVB to IP multicast forwarding modules and preserve;
Described device also includes:
Program information management module, for sending programme information change message to the Broadcast Control proxy module;
DVB to the IP multicast forwardings module, for distributing for each program identification in Provisioning requests Multicast group address on IP LAN;
The program identification of programme televised live and the corresponding relation between the multicast group address on IP LAN are sent to described Broadcast Control proxy module;Or,
Preserve the program identification and the second corresponding relation between the multicast group address on IP LAN of the programme televised live.
Optionally, program identification of the Broadcast Control program identification for request program;The Broadcast Control proxy module specifically for Broadcast Control program identification in realizing in the following ways asking the second Broadcast Control is converted into multicast of the Broadcast Control program on IP LAN Group address:
After receiving the second Broadcast Control request, Provisioning requests are sent to DVB to IP multicast repeaters;Its In, Provisioning requests include:The program identification of request program;Receive from DVB to the IP multicast forwardings module The multicast group address on IP LAN;
Described device also includes:
DVB to IP multicast forwarding modules, for distributing the multicast group address on IP LAN for request program, by distribution Multicast group address on IP LAN is sent to Broadcast Control proxy module.
Optionally, the media server module specifically for realize in the following ways it is described according to Broadcast Control program in IP Multicast group address on LAN adds multicast group, obtains the IP multicast data flows of Broadcast Control program:
Send to DVB to the IP multicast forwardings module and add multicast group request;Wherein, the addition multicast group request bag Include multicast group address of the Broadcast Control program on IP LAN;Receive after the packing of DVB to the IP multicast forwardings module Payload;
DVB to the IP multicast forwardings module is additionally operable to:
The addition multicast group request is received, under the corresponding Broadcast Control program of multicast group address being obtained in DVB networks Send out frequency and program number;And frequency and program number are issued according to the Broadcast Control program in DVB networks, connect using DVB agreements Receive the Broadcast Control program stream in DVB networks;Parse the Broadcast Control program stream and obtain payload, then according to the data of IP network are sent out Send payload described in protocol packing to obtain the IP multicast data flows, and the payload after packing is sent to into the media services Device module.
Compared with correlation technique, the technical scheme of the embodiment of the present invention includes:Media server module is based in office of family Internet protocol address on the net Home LAN of domain, receives the first Broadcast Control request in home network;Wherein, first Broadcast Control request includes:Uniform resource position mark URL of the Broadcast Control program in Home LAN;Media server module is broadcast according to first URL of the Broadcast Control program in control request in Home LAN, based on the IP address on IP local network LANs, acts on behalf of mould to Broadcast Control Block sends the second Broadcast Control comprising program identification and asks;Broadcast Control program identification in second Broadcast Control request is turned by Broadcast Control proxy module Change multicast group address of the Broadcast Control program on IP LAN into, based on the IP address on IP LAN by Broadcast Control program on IP LAN Multicast group address be sent to media server module;Media server module based on the IP address on IP LAN, according to broadcasting Multicast group address of the control program on IP LAN adds multicast group, obtains the IP multicast data flows of Broadcast Control program, the IP multicasts that will be obtained Circulation changes IP unicast stream into, and based on the IP address on Home LAN, IP unicast stream is sent to home network terminal.Pass through The scheme of the embodiment of the present invention, is converted into Broadcast Control program on IP LAN by the URL by Broadcast Control program in Home LAN Multicast group address is obtaining the IP multicast data flows of Broadcast Control program, and is converted further into IP unicast stream, so as to for home network terminal Broadcast Control business is provided.
Description of the drawings
Below the accompanying drawing in the embodiment of the present invention is illustrated, the accompanying drawing in embodiment is for entering one to of the invention Step is understood, is used for explaining the present invention, does not constitute limiting the scope of the invention together with description.
The flow chart that Fig. 1 realizes the method for Broadcast Control business for the embodiment of the present invention;
Fig. 2 realizes the structure composition schematic diagram of the device of Broadcast Control business for the embodiment of the present invention.
Specific embodiment
For the ease of the understanding of those skilled in the art, the invention will be further described below in conjunction with the accompanying drawings, not Can be used for limiting the scope of the invention.It should be noted that the embodiment and reality in the case where not conflicting, in the application The various modes applied in example can be mutually combined.
Referring to Fig. 1, the embodiment of the present invention proposes a kind of method for realizing Broadcast Control business, including:
Step 100, media server (Media Server) module are received and are arrived based on the IP address on Home LAN Ask from the first Broadcast Control of home network terminal.
In this step, home network terminal can be following any one or more:Intelligent mobile terminal, intelligence electricity Depending on, TV box, PC etc..
In this step, the first Broadcast Control request includes:URL of the Broadcast Control program in Home LAN (URL, Uniform Resource Locator)。
Wherein, Broadcast Control program can be programme televised live or request program.
The URL of the Broadcast Control program is what home network terminal was obtained from media server (Media Server) module, Concrete how acquisition can know technology realization using those skilled in the art, be not intended to limit the present invention the guarantor of embodiment Shield scope, is repeated no more here.
In this step, media server module can by stream media protocol (for example HTTP (HTTP, Hypertext Transfer Protocol)) receive from home network terminal the first Broadcast Control ask.
The URL of step 101, media server module according to the Broadcast Control program in the first Broadcast Control request in Home LAN, Based on the IP address on IP LAN, the second Broadcast Control comprising program identification is sent to Broadcast Control proxy module and asked.
In this step, media server module sends the second Broadcast Control request to Broadcast Control proxy module to be included:
Media server module parses URL, obtains Broadcast Control program identification, or in the URL and Broadcast Control program for prestoring The corresponding Broadcast Control program identifications of URL in the first Broadcast Control request are searched in the first corresponding relation between mark, and based in IP IP address on LAN, sends the second Broadcast Control comprising Broadcast Control program identification to Broadcast Control proxy module and asks.
Wherein, due to including Broadcast Control program identification field in URL, therefore, media server module is directly read in URL Broadcast Control program identification field can just obtain Broadcast Control program identification.
Wherein, Broadcast Control program identification can be the program identification or the program identification of request program of programme televised live.
Broadcast Control program identification in second Broadcast Control request is converted into Broadcast Control program in IP by step 102, Broadcast Control proxy module Multicast group address on LAN, is sent based on multicast group address of the IP address on IP LAN by Broadcast Control program on IP LAN To media server module.
In this step, when Broadcast Control program identification is that programme televised live is identified, the Broadcast Control program mark during the second Broadcast Control is asked Knowledge is converted into multicast group address of the Broadcast Control program on IP LAN to be included:
Broadcast Control is acted on behalf of in the program identification of the programme televised live for pre-building and between the multicast group address on IP LAN In second corresponding relation, the corresponding multicast group on IP LAN of program identification of the programme televised live in the second Broadcast Control request is searched Address;
Or, the program identification of programme televised live is sent to DVB to IP multicast forwarding modules by Broadcast Control agency;DVB to IP groups Forwarding module is broadcast in the program identification of the programme televised live for pre-building and the second couple between the multicast group address on IP LAN The middle corresponding multicast group address on IP LAN of program identification for searching programme televised live should be related to, will be found in IP LAN On multicast group address be sent to Broadcast Control agency.
Optionally, also include in the second corresponding relation:Programme televised live issues frequency and program number in DVB networks.
When Broadcast Control program identification for request program program identification when, Broadcast Control proxy module by the second Broadcast Control request in broadcasting Control program identification is converted into multicast group address of the Broadcast Control program on IP LAN to be included:
After Broadcast Control proxy module receives the second Broadcast Control request, to DVB to IP multicast forwarding module send configurations (Provisioning) ask;Wherein, Provisioning requests include:The program identification of request program;
DVB to IP multicast forwardings module is that request program distributes the multicast group address on IP LAN, by distribution in IP Multicast group address on LAN is sent to Broadcast Control proxy module.
After Broadcast Control proxy module receives the second Broadcast Control request, also the section comprising request program is sent to DVB front end systems The program playing request that target is known;Receive the request program from DVB front end systems and issue frequency and section in DVB networks Mesh number, the issuing frequency and be sent to DVB during program number is included in Provisioning requests in DVB networks by request program To IP multicast forwarding modules.
Request program is identified, issues frequency and program number setting to DVB to IP multicast forwarding modules by Broadcast Control proxy module, Program request program identification, the corresponding relation issued between frequency, program number and multicast group address are preserved, so as to DVB to IP multicasts Forwarding module can get program request stream from DVB networks.
DVB to IP multicast forwardings module can be multicast of each program distribution on IP LAN by the rule for pre-setting Group address.
Wherein, the rule for pre-setting can with but not limit be one kind of following several ways:
(1) one idle multicast address of lookup from the multicast group address pond of itself;
(2) multicast address is divided into into multiple domains according to a certain or various mode classifications in advance, one is searched in each domain Individual idle multicast group address.
Such as:Three domains can be divided into by business first:Live, program request, other;Directly can distribute in live domain again Multicast address, or divide domain again by other mode classifications again.
Step 103, media server module based on the IP address on IP LAN, according to Broadcast Control program on IP LAN Multicast group address adds multicast group, obtains the IP multicast data flows of Broadcast Control program, the IP multicast data flows of acquisition are converted into IP unicast stream, and Based on the IP address on Home LAN, IP unicast stream is sent to into home network terminal.
In this step, media server module can use igmpinternet (IGMP, Internet Group Management Protocol) add multicast group.
In this step, the multicast group address according to Broadcast Control program on IP LAN adds multicast group, obtains Broadcast Control program IP multicast data flows include:
Media server module sends to DVB to IP multicast forwardings module and adds multicast group request;Wherein, add multicast group Request includes multicast group address of the Broadcast Control program on IP LAN;DVB to IP multicast forwardings module obtains multicast group address correspondence Broadcast Control program issue frequency and program number in DVB networks;And according to Broadcast Control program in DVB networks issue frequency and Program number, receives the Broadcast Control program stream in DVB networks using DVB agreements, and parsing Broadcast Control program stream obtains payload, then presses IP multicast data flows are obtained according to the data is activation protocol packing payload of IP network, and the payload after packing is sent to into media Server module.
Wherein, DVB to IP multicast forwardings module can search the corresponding Broadcast Control program of multicast group address in corresponding relation Frequency and program number are issued in DVB networks.
Wherein, the data is activation agreement of IP network can include dynamic image expert group MPEG (MPEG, Moving Picture Experts Group) 2, UDP (UDP, User Datagram Protocol) multicast.
In this step, how the IP multicast data flows of acquisition are converted into IP unicast stream and can adopt ability by media services implement body The technological means of knowing of field technique personnel are realized, are not intended to limit the present invention the protection domain of embodiment, repeat no more here.
Optionally, when program identification of the Broadcast Control program identification for programme televised live, also include before the method:
Broadcast Control proxy module or DVB to IP multicast forwarding modules pre-build the program identification of programme televised live and in IP LAN On multicast group address between the second corresponding relation.
Wherein, pre-build that the program identification of programme televised live and the second correspondence between the multicast address on IP LAN are closed System includes:
Broadcast Control proxy module is received after the programme information change message of program information management module, from programme information Management module obtains programme information, and sends supply (Provisioning) request to DVB to IP multicast forwardings module;Wherein, Programme information includes:The program identification of programme televised live, Provisioning requests include the program identification of programme televised live;DVB is arrived IP multicast forwardings module is that each program identification in Provisioning requests distributes the multicast group address on IP LAN;
DVB to IP multicast forwardings module is by the program identification of programme televised live and between the multicast group address on IP LAN Second corresponding relation is sent to Broadcast Control proxy module;Broadcast Control proxy module preserves the second corresponding relation for receiving;Or,
DVB to IP multicast forwardings module preserves the program identification of programme televised live and between the multicast group address on IP LAN The second corresponding relation.
Optionally, when DVB to IP multicast forwarding modules are received from the inquiry request of Broadcast Control proxy module, second In corresponding relation, the corresponding multicast group address on IP LAN of program identification of the programme televised live in inquiry request is searched, will The multicast group address on IP LAN for finding is sent to the Broadcast Control proxy module;Broadcast Control proxy module preserves inquiry request In programme televised live program identification and the corresponding relation between the multicast group address on IP LAN for receiving.
Optionally, programme information also includes:Programme televised live issues frequency, program number in DVB networks; Provisioning requests also include:Programme televised live issues frequency, program number in DVB networks;Corresponding relation also includes:Directly Broadcast program and issue frequency, program number in DVB networks.
Wherein, program information management module, can be to Broadcast Control proxy module and media server mould after live search is carried out Block sends programme information change message.After media server module receives programme information change message, from program information management Module obtains programme information, and according to programme information by certain rule for program distribution program metadata, and by program Metadata is sent to the home network terminal on Home LAN.
Wherein, the metadata of program includes the URL of program.
Wherein, how program information management module specifically carries out live search and can adopt knowing for those skilled in the art Technology realizes that the protection domain being not intended to limit the present invention is repeated no more here.
Wherein, specifically how the metadata according to programme information for program distribution program can be adopted media server module The technology of knowing of those skilled in the art realizes that the protection domain being not intended to limit the present invention is repeated no more here.
DVB to IP multicast forwardings module can be multicast of each program distribution on IP LAN by the rule for pre-setting Group address.
Wherein, the rule for pre-setting can with but not limit be one kind of following several ways:
(3) one idle multicast address of lookup from the multicast group address pond of itself;
(4) multicast address is divided into into multiple domains according to a certain or various mode classifications in advance, one is searched in each domain Individual idle multicast group address.
Such as:Three domains can be divided into by business first:Live, program request, other;Directly can distribute in live domain again Multicast address, or divide domain again by other mode classifications again.
Optionally, the method also includes:
When media server module is based on the IP address on Home LAN, browsing from home network terminal is received Please when, media server module based on the IP address on IP LAN, to program information management module forwards browse request;Program Information management module obtains the metadata of Broadcast Control program from DVB front end systems, based on the IP address on IP LAN, will obtain Metadata be sent to media server module;Media server module based on the IP address on Home LAN, by what is obtained Metadata is sent to home network terminal.
In said method, Home LAN include media server module, home network terminal, are independent locals Net, the home network terminal in Home LAN are only communicated with media server module, are not carried out with the equipment in IP LAN Communication, DHCP (DHCP, the Dynamic Host Configuration Protocol) clothes in Home LAN Business module is the IP address of home network terminal and media server module distribution on Home LAN, or media services The IP ground on Home LAN of device module assignment static ip address, home network terminal and media server module based on distribution Location is communicated.
IP LAN are independently of another LAN of Home LAN, including program information management module, DVB to IP multicasts Forwarding module, Broadcast Control proxy module and media server module, the DHCP service module in IP LAN are program information management mould IP address of block, DVB to IP multicast forwarding modules, the Broadcast Control proxy module and media server module distribution on IP LAN, Can be program information management module, DVB to IP multicast forwarding modules, Broadcast Control proxy module and media server distribution static IP Address, program information management module, DVB to IP multicast forwarding modules, Broadcast Control proxy module and media server module are based on divides The IP address on Home LAN matched somebody with somebody is communicated.
In said method, program information management module, Broadcast Control proxy module, DVB to IP multicast forwardings module and media clothes Business device module can be arranged in home gateway.
Said method has the advantage that:
Media server module in 1.Home LAN need not be concerned about DVB network characteristics, reduce development difficulty, or even can To be developed by third party service provider;
Media server module in 2.Home LAN may be directly applied to IPTV (IPTV, Internet Protocol Television) business;
Home gateway directly can also be used IPTV (IPTV, Internet Protocol Television) the media server module in business;
The data of 3.DVB networks can be shared by the multiple components on IP LAN inside home gateway, and do not affect current Play resource is received also without extra camera cable (Cable).
Referring to Fig. 2, the embodiment of the present invention also proposed a kind of device for realizing Broadcast Control business, can be arranged on home gateway In, including:
Media server module, for based on the internet protocol address on family lan Home LAN, receiving Ask to the first Broadcast Control in home network;Wherein, the first Broadcast Control request includes:System of the Broadcast Control program in Home LAN One URLs URL;
According to URL of the Broadcast Control program in the first Broadcast Control request in Home LAN, based on the IP on IP local network LANs Address, sends the second Broadcast Control comprising program identification to Broadcast Control proxy module and asks;
Broadcast Control proxy module, is converted into Broadcast Control program in IP LAN for the Broadcast Control program identification during the second Broadcast Control is asked On multicast group address, matchmaker is sent to based on multicast group address of the IP address on IP LAN by Broadcast Control program on IP LAN Body server module;
Media server module is additionally operable to:Based on the IP address on IP LAN, according to Broadcast Control program on IP LAN Multicast group address adds multicast group, obtains the IP multicast data flows of Broadcast Control program, the IP multicast data flows of acquisition are converted into IP unicast stream, and Based on the IP address on Home LAN, IP unicast stream is sent to into home network terminal.
Optionally, media server module is specifically for realizing that sending second to Broadcast Control proxy module broadcasts in the following ways Control request:
Parsing URL, obtains Broadcast Control program identification, or first between the URL and Broadcast Control program identification for prestoring The corresponding Broadcast Control program identifications of URL in the first Broadcast Control request are searched in corresponding relation, and based on the IP address on IP LAN, The second Broadcast Control comprising program identification is sent to Broadcast Control proxy module to ask.
Optionally, program identification of the Broadcast Control program identification for programme televised live;Broadcast Control proxy module is specifically for using following Broadcast Control program identification during mode is realized asking the second Broadcast Control is converted into multicast group address of the Broadcast Control program on IP LAN:
The second correspondence in the program identification of the programme televised live for pre-building and between the multicast group address on IP LAN The corresponding multicast group address on IP LAN of program identification of the programme televised live in the second Broadcast Control request is searched in relation;
Or, the program identification of programme televised live is sent to into DVB to IP multicast forwarding modules;Receive from DVB to IP The multicast group address on IP LAN of multicast forwarding module;
Also include:
DVB to IP multicast forwarding modules, in the program identification of the programme televised live for pre-building and on IP LAN The corresponding multicast group on IP LAN of program identification of programme televised live is searched in the second corresponding relation between multicast group address The multicast group address on IP LAN for finding is sent to Broadcast Control agency by address.
Optionally, Broadcast Control proxy module or DVB to IP multicast forwarding modules are additionally operable to:
Pre-build the program identification and the second corresponding relation between the multicast group address on IP LAN of programme televised live.
Optionally, Broadcast Control proxy module is specifically for realizing in the following ways pre-building the program identification of programme televised live And the second corresponding relation between the multicast group address on IP LAN:
Based on the IP address on IP LAN, the programme information change message from program information management module is received Afterwards, the programme information of programme televised live is obtained from program information management module, and sends supply to DVB to IP multicast repeaters module Provisioning is asked;Wherein, programme information includes the program identification of programme televised live, and Provisioning requests include live The program identification of program;
Receive the second corresponding relation from DVB to IP multicast forwarding modules and preserve;
Device also includes:
Program information management module, for sending programme information change message to Broadcast Control proxy module;
DVB to IP multicast forwarding modules, for distributing in IP for each program identification in Provisioning requests Multicast group address on LAN;
The program identification of programme televised live and the corresponding relation between the multicast group address on IP LAN are sent to into Broadcast Control Proxy module;Or,
Preserve the program identification and the second corresponding relation between the multicast group address on IP LAN of programme televised live.
Optionally, program identification of the Broadcast Control program identification for request program;Broadcast Control proxy module is specifically for using following Broadcast Control program identification during mode is realized asking the second Broadcast Control is converted into multicast group address of the Broadcast Control program on IP LAN:
After receiving the second Broadcast Control request, Provisioning requests are sent to DVB to IP multicast repeaters;Wherein, Provisioning requests include:The program identification of request program;Receive from DVB to IP multicast forwarding modules in IP Multicast group address on LAN;
Device also includes:
DVB to IP multicast forwarding modules, for distributing the multicast group address on IP LAN for request program, by distribution Multicast group address on IP LAN is sent to Broadcast Control proxy module.
Optionally, media server module is specifically for realizing according to Broadcast Control program in the following ways on IP LAN Multicast group address adds multicast group, obtains the IP multicast data flows of Broadcast Control program:
Send to DVB to IP multicast forwardings module and add multicast group request;Wherein, multicast group request is added to include Broadcast Control section Multicast group address of the mesh on IP LAN;Receive the payload after the packing of DVB to IP multicast forwarding modules;
DVB to IP multicast forwarding modules are additionally operable to:
Addition multicast group request is received, the corresponding Broadcast Control program of multicast group address issuing frequently in DVB networks is obtained Point and program number;And frequency and program number are issued according to Broadcast Control program in DVB networks, DVB networks are received using DVB agreements In Broadcast Control program stream;Parsing Broadcast Control program stream obtains payload, then according to the data is activation protocol packing of IP network has Effect load obtains the IP multicast data flows, and the payload after packing is sent to media server module.
It should be noted that embodiment described above is for only for ease of those skilled in the art's understanding, and It is not used in and limits the scope of the invention, on the premise of the inventive concept without departing from the present invention, those skilled in the art couple Any obvious replacement made of the invention and improvement etc. are within protection scope of the present invention.

Claims (14)

1. a kind of method for realizing Broadcast Control business, it is characterised in that include:
Media server module is received from family based on the internet protocol address on family lan Home LAN The first Broadcast Control request in network;Wherein, the first Broadcast Control request includes:Unified resource positioning of the Broadcast Control program in Home LAN Symbol URL;
URL of the media server module according to the Broadcast Control program in the first Broadcast Control request in Home LAN, based in IP locals IP address on net LAN, sends the second Broadcast Control comprising program identification to Broadcast Control proxy module and asks;
Broadcast Control program identification in second Broadcast Control request is converted into multicast of the Broadcast Control program on IP LAN by Broadcast Control proxy module Group address, is sent to media server based on multicast group address of the IP address on IP LAN by Broadcast Control program on IP LAN Module;
Media server module is added according to multicast group address of the Broadcast Control program on IP LAN based on the IP address on IP LAN Enter multicast group, obtain the IP multicast data flows of Broadcast Control program, the IP multicast data flows of acquisition are converted into into IP unicast stream, and based in Home IP unicast stream is sent to home network terminal by the IP address on LAN.
2. method according to claim 1, it is characterised in that the media server module is sent to Broadcast Control proxy module Second Broadcast Control request includes:
The media server module parses the URL, obtains the Broadcast Control program identification, or in the URL for prestoring and The corresponding Broadcast Control program marks of URL in the first Broadcast Control request are searched in the first corresponding relation between Broadcast Control program identification Know, and based on the IP address on IP LAN, comprising the Broadcast Control program identification second is sent to the Broadcast Control proxy module Broadcast Control is asked.
3. method according to claim 1, it is characterised in that program mark of the Broadcast Control program identification for programme televised live Know;Broadcast Control program identification in the request by the second Broadcast Control is converted into multicast group address bag of the Broadcast Control program on IP LAN Include:
The Broadcast Control is acted on behalf of in the program identification of the programme televised live for pre-building and between the multicast group address on IP LAN The corresponding group on IP LAN of program identification of the programme televised live in the second Broadcast Control request is searched in second corresponding relation Broadcast group address;
Or, the program identification of the programme televised live is sent to DVB to IP multicast forwarding modules by the Broadcast Control agency;It is described DVB to IP multicast forwardings module is in the program identification of the programme televised live for pre-building and between the multicast group address on IP LAN The second corresponding relation in search the corresponding multicast group address on IP LAN of program identification of the programme televised live, will search To the multicast group address on IP LAN be sent to Broadcast Control agency.
4. method according to claim 3, it is characterised in that also include before the method:
The Broadcast Control proxy module or DVB to the IP multicast forwardings module pre-build the program identification of programme televised live and in IP The second corresponding relation between multicast group address on LAN.
5. method according to claim 4, it is characterised in that the Broadcast Control proxy module or DVB to IP multicast forwarding moulds Block pre-builds that the program identification of programme televised live and the second corresponding relation between the multicast group address on IP LAN include:
The Broadcast Control proxy module receives the program letter from program information management module based on the IP address on IP LAN After breath change message, the programme information of programme televised live is obtained from program information management module, and to DVB to the IP multicast forwardings Device module send configuration Provisioning is asked;Wherein, programme information includes the program identification of programme televised live, Provisioning requests include the program identification of programme televised live;
DVB to the IP multicast forwardings module is that each program identification in Provisioning requests distributes on IP LAN Multicast group address;
DVB to the IP multicast forwardings module is by the program identification of programme televised live and between the multicast group address on IP LAN Second corresponding relation is sent to the Broadcast Control proxy module;The Broadcast Control proxy module preserves the second corresponding relation for receiving; Or,
DVB to the IP multicast forwardings module preserves the program identification and the multicast group address on IP LAN of the programme televised live Between the second corresponding relation.
6. method according to claim 1, it is characterised in that program mark of the Broadcast Control program identification for request program Know;Broadcast Control program identification in second Broadcast Control request is converted into group of the Broadcast Control program on IP LAN by the Broadcast Control proxy module Broadcasting group address includes:
After the Broadcast Control proxy module receives the second Broadcast Control request, send to DVB to IP multicast repeaters Provisioning is asked;Wherein, Provisioning requests include:The program identification of request program;
DVB to IP multicast forwardings module is that request program distributes the multicast group address on IP LAN, by distribution in IP LAN On multicast group address be sent to Broadcast Control proxy module.
7. method according to claim 1, it is characterised in that the multicast group ground according to Broadcast Control program on IP LAN Location adds multicast group, and the IP multicast data flows for obtaining Broadcast Control program include:
The media server module sends to DVB to the IP multicast forwardings module and adds multicast group request;Wherein, it is described to add Entering multicast group request includes multicast group address of the Broadcast Control program on IP LAN;DVB to the IP multicast forwardings module acquisition group Broadcast the corresponding Broadcast Control program of group address and issue frequency and program number in DVB networks;And according to the Broadcast Control program in DVB nets Frequency and program number are issued in network, the Broadcast Control program stream in DVB networks is received using DVB agreements;Parse the Broadcast Control program Stream obtains payload, then according to payload described in the data is activation protocol packing of IP network obtains the IP multicast data flows, And the payload after packing is sent to into the media server module.
8. a kind of device for realizing Broadcast Control business, it is characterised in that include:
Media server module, for based on the internet protocol address on family lan Home LAN, receiving and arriving The first Broadcast Control request from home network;Wherein, the first Broadcast Control request includes:Unified money of the Broadcast Control program in Home LAN Source finger URL URL;
According to URL of the Broadcast Control program in the first Broadcast Control request in Home LAN, based on the IP ground on IP local network LANs Location, sends the second Broadcast Control comprising program identification to Broadcast Control proxy module and asks;
Broadcast Control proxy module, is converted into Broadcast Control program on IP LAN for the Broadcast Control program identification during the second Broadcast Control is asked Multicast group address, is sent to media clothes based on multicast group address of the IP address on IP LAN by Broadcast Control program on IP LAN Business device module;
Media server module is additionally operable to:Based on the IP address on IP LAN, according to multicast of the Broadcast Control program on IP LAN Group address adds multicast group, obtains the IP multicast data flows of Broadcast Control program, the IP multicast data flows of acquisition is converted into IP unicast stream, and is based on IP unicast stream is sent to home network terminal by the IP address on Home LAN.
9. device according to claim 8, it is characterised in that the media server module is specifically for adopting with lower section Formula is realized sending the second Broadcast Control request to Broadcast Control proxy module:
The URL is parsed, the Broadcast Control program identification is obtained, or between the URL and Broadcast Control program identification for prestoring The corresponding Broadcast Control program identifications of URL in the first Broadcast Control request are searched in first corresponding relation, and based on IP LAN IP address, to the Broadcast Control proxy module send comprising the Broadcast Control program identification the second Broadcast Control ask.
10. device according to claim 8, it is characterised in that program mark of the Broadcast Control program identification for programme televised live Know;The Broadcast Control proxy module is specifically for realizing the Broadcast Control program identification in the request by the second Broadcast Control in the following ways It is converted into multicast group address of the Broadcast Control program on IP LAN:
The second corresponding relation in the program identification of the programme televised live for pre-building and between the multicast group address on IP LAN The middle corresponding multicast group address on IP LAN of program identification for searching the programme televised live in the second Broadcast Control request;
Or, the program identification of the programme televised live is sent to into DVB to IP multicast forwarding modules;Receive from DVB to IP The multicast group address on IP LAN of multicast forwarding module;
Also include:
DVB to IP multicast forwarding modules, in the program identification of the programme televised live for pre-building and the multicast on IP LAN The corresponding multicast group on IP LAN of program identification of the programme televised live is searched in the second corresponding relation between group address The multicast group address on IP LAN for finding is sent to the Broadcast Control agency by address.
11. devices according to claim 10, it is characterised in that the Broadcast Control proxy module or DVB to the IP multicasts Forwarding module is additionally operable to:
Pre-build the program identification and the second corresponding relation between the multicast group address on IP LAN of programme televised live.
12. devices according to claim 11, it is characterised in that the Broadcast Control proxy module is specifically for adopting with lower section Formula is realized pre-building the program identification and the second corresponding relation between the multicast group address on IP LAN of programme televised live:
Based on the IP address on IP LAN, receive after the programme information change message of program information management module, from Program information management module obtains the programme information of programme televised live, and to DVB to the IP multicast repeaters module send configuration Provisioning is asked;Wherein, programme information includes the program identification of programme televised live, and Provisioning requests include live The program identification of program;
Receive the second corresponding relation from DVB to IP multicast forwarding modules and preserve;
Described device also includes:
Program information management module, for sending programme information change message to the Broadcast Control proxy module;
DVB to the IP multicast forwardings module, for distributing in IP for each program identification in Provisioning requests Multicast group address on LAN;
The program identification of programme televised live and the corresponding relation between the multicast group address on IP LAN are sent to into the Broadcast Control Proxy module;Or,
Preserve the program identification and the second corresponding relation between the multicast group address on IP LAN of the programme televised live.
13. devices according to claim 8, it is characterised in that program mark of the Broadcast Control program identification for request program Know;The Broadcast Control proxy module is specifically for realizing the Broadcast Control program identification conversion during the second Broadcast Control is asked in the following ways Into multicast group address of the Broadcast Control program on IP LAN:
After receiving the second Broadcast Control request, Provisioning requests are sent to DVB to IP multicast repeaters;Wherein, Provisioning requests include:The program identification of request program;Receive and exist from DVB to the IP multicast forwardings module Multicast group address on IP LAN;
Described device also includes:
DVB to IP multicast forwarding modules, for distributing the multicast group address on IP LAN for request program, by distribution in IP Multicast group address on LAN is sent to Broadcast Control proxy module.
14. devices according to claim 8, it is characterised in that the media server module is specifically for using following Mode realizes that the multicast group address according to Broadcast Control program on IP LAN adds multicast group, obtains the IP multicasts of Broadcast Control program Stream:
Send to DVB to the IP multicast forwardings module and add multicast group request;Wherein, the addition multicast group request includes broadcasting Control multicast group address of the program on IP LAN;Receive effective after the packing of DVB to the IP multicast forwardings module Load;
DVB to the IP multicast forwardings module is additionally operable to:
The addition multicast group request is received, the corresponding Broadcast Control program of multicast group address issuing frequently in DVB networks is obtained Point and program number;And frequency and program number are issued according to the Broadcast Control program in DVB networks, DVB is received using DVB agreements Broadcast Control program stream in network;Parse the Broadcast Control program stream and obtain payload, then according to the data is activation association of IP network The view packing payload obtains the IP multicast data flows, and the payload after packing is sent to the media server mould Block.
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