CN101572807A - Method for distributing and controlling real-time media stream and system thereof - Google Patents
Method for distributing and controlling real-time media stream and system thereof Download PDFInfo
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- CN101572807A CN101572807A CNA2009101478823A CN200910147882A CN101572807A CN 101572807 A CN101572807 A CN 101572807A CN A2009101478823 A CNA2009101478823 A CN A2009101478823A CN 200910147882 A CN200910147882 A CN 200910147882A CN 101572807 A CN101572807 A CN 101572807A
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Abstract
The invention discloses a method for distributing and controlling a real-time media stream. The method comprises the following steps: establishing a distribution and control node in a network; sending the media stream of a program by a programming server to the distribution and control node; sending the media stream to a target streaming media server by the distribution and control node, and providing live service for terminal users by the streaming media server. In the invention, the real-time stream distribution and control node is employed on the streaming media server as distribution and control equipment of the program, can receive real-time streams from a plurality of programming sources, distribute the real-time streams to designated positions, and control startup and shutdown of the real-time streams to the target server. The real-time stream of the program can reach the target server in an optimum manner by a distribution and control mode, which saves network bandwidth. Relay target nodes can be simply controlled and added and deleted according to requirements.
Description
Technical field
The present invention relates to multimedia technology field, specifically, is the method and system of a kind of real-time media stream distribution and control.
Background technology
Raising along with the Development of Multimedia Technology and the network bandwidth, IP-based multimedia application has obtained huge development, no matter be in IPTV (Web TV) system, still in large-scale video monitoring system, all require sound, video to be transferred to fast and efficiently in user's the hand to real-time capturing and coding.
China's TV user has arrived several hundred million scale, can be television terminal as a network terminal, and one of them important means promptly is the IPTV system.At present, this system has obtained paying attention to widely and developing.In the IPTV system, need the live telecast program real-time be distributed to the terminal use, traditional distribution method has following problem:
1, when the program making server sends to the live body server of stream matchmaker to live TV stream, if the program making server is distant from the live body server of stream matchmaker, and the employing multicast mode, may not support multicast by middle a lot of network equipments, multicast also can cause a large amount of copies of network packet simultaneously, takies the network bandwidth.
2, when the program making server sends to the live body server of stream matchmaker to live TV stream, if use the mode of clean culture, for only sending to a live body server of stream matchmaker, saved bandwidth, but if send to the live body server of a plurality of stream matchmakers simultaneously, the multichannel unicast stream can occur, waste bandwidth equally.
3, employing is this directly program source and the live body server of stream matchmaker ways of connecting, be difficult to control duplicating, transmit and stopping of real-time stream, when flowing to a plurality of media server in real time as sending when program source, stop and starting the real-time stream of certain road to media server, make management system platform to connect, implement difficulty with the coding router of program making server.
Summary of the invention
The technical problem to be solved in the present invention provides the method and system of a kind of real-time media stream distribution and control.
In order to solve the problems of the technologies described above, the invention provides a kind of real-time media stream distribution and control method, comprising:
In network, set up the distribution Control Node;
The program making server sends to described distribution Control Node with the Media Stream of program;
Described distribution Control Node sends to purpose live streaming media server with described Media Stream, provides direct broadcast service by described live streaming media server for the terminal use.
Further,
In network, set up the network TV IPTV management platform, described distribution Control Node is registered to described IPTV management platform;
Described IPTV management platform is formulated the Media Stream distribution schedule creation, and described distribution schedule creation is handed down to described distribution Control Node;
Described distribution Control Node flows from described program making server receiving media according to described distribution schedule creation, and according to described distribution schedule creation described Media Stream is sent to purpose live streaming media server.
Further, comprise described address and the port that is used to receive the program making server of live TV stream in the described distribution schedule creation, and address and the port of transmitting purpose live streaming media server.
Further, after described distribution Control Node received described distribution schedule creation, the address of the forwarding purpose live streaming media server in the described distribution schedule creation and port added to be needed in the tabulation of the target distribution node of respective media stream.
Further,
When stopping the Streaming Media of live streaming media server transmitted, send the distribution schedule creation of revising to described distribution Control Node, wherein carry the address and the port of the live streaming media server that will stop by the IPTV management platform;
After described distribution Control Node receives the distribution schedule creation of this modification, with address and port deletion from described target distribution node tabulation of the live streaming media server that will stop that wherein carries.
Further,
In the live process, described distribution Control Node is also to described IPTV management platform reporting ent situation;
Described IPTV management platform is revised described distribution schedule creation according to the network condition of described distribution Control Node report.
Further, described distribution Control Node also sends Media Stream to other distribution Control Node.
Further,
Described distribution Control Node sends in the process of Media Stream to described purpose live streaming media server, ends the transmission of this Media Stream, sends ad stream;
After described distribution Control Node sends described ad stream, recover to send described Media Stream.
The present invention also provides a kind of real-time media stream distribution and control system, comprises program making server, distribution Control Node and live streaming media server, wherein,
Described program making server is used for making and providing Media Stream;
Described distribution Control Node is used for receiving described Media Stream from described program making server, and described Media Stream is sent to described live streaming media server;
Described live streaming media server is used for receiving described Media Stream and the Media Stream direct broadcast service being provided from described distribution Control Node.
Further, also comprise the IPTV management platform,
Described IPTV management platform is used to formulate distribution schedule creation and sends to described distribution Control Node;
Described distribution Control Node is carried out the forwarding of Media Stream according to the distribution schedule creation of described IPTV management platform transmission.
The present invention uses distribution and the control appliance of real-time stream distribution Control Node as program on streaming media server, it can receive the real-time stream of coming in a plurality of program makings source, is distributed to assigned address, and can control to the start and stop that flow to destination server in real time.The present invention makes the real-time stream of program arrive destination server in optimized mode by using the mode of distribution control, saves the network bandwidth.Destination node for relaying can add and delete on request, and control is simple.
Description of drawings
Fig. 1 is the scene schematic diagram of the live streaming media service of employing multicast of the prior art;
Fig. 2 is the scene schematic diagram of the live streaming media service of employing clean culture of the prior art;
Fig. 3 is the topological diagram of an embodiment of real-time media stream distribution of the present invention and control method;
Fig. 4 is the topological diagram of another embodiment of real-time media stream distribution of the present invention and control method.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
Below be that example describes with the real-time stream distribution of the direct broadcast band of IPTV system.
As shown in Figure 3, for using system topological figure of the present invention.Suppose that certain telecommunications has direct broadcast band WHTV1, there is direct broadcast band WHTV2 in certain TV station, and they will be the community of program transmission to the cluster distribution node 1 that 2000 users are arranged.This community has disposed two live streaming media server S erver1 and Server2, and the terminal use watches programme televised live on Servr1 and Server2.The IPTV management platform communicates with distribution Control Node Transfer1 in the mode of web service.
According to the above topology structure, use the concrete process of the present invention as follows:
Set up relaying distribution Control Node Transfer1.Transfer1 is to the registration of IPTV management platform, so that system management.
Direct broadcast band WHTV1 and WHTV2 are sent to distribution Control Node Transfer1 to program in the mode of clean culture.
The IPTV management platform issues distribution schedule creation to Transfer1, plan as shown in the table:
| Channel name | Source address and port | Local reception address and port | Destination address and port | Dispensing action | Other useful information |
| WHTV1 | WHTV1 (IP：8000) | Transfer1 (ip：8000) | Server1：8000 | Add | |
| WHTV1 | WHTV1 (IP：8000) | Transfer1 (ip：8004) | Server2：8000 | Add | |
| WHTV2 | WHTV2 (IP：8000) | Transfer1 (ip：8008) | (224.0.0.1:9000 multicast address) | Add |
The live TV stream that Server2 receives WHTV2 is the group of 224.0.0.1 by adding the ip address.
The executive plan in two steps of distribution Control Node is at first set up the network that receives direct broadcast band WHTV1 and WHTV2 and is connected and receiving cache queue.By receiving cache queue, can carry out again ordering to bag, and the situation of packet loss is added up.By feedback network and packet loss statistical information, can consult to revise transmission speed with the source end, revise level and smooth code checks such as coded quantization parameter, bag repeating transmission measure, improve the service quality of Streaming Media.Then, each channel live stream sets up a node for will sending destination address.As WHTV1 two node Server1:8000 and Server2:8000 are just arranged.Distribution node Transfer1 is this two nodes that send to of the WHTV1 live TV stream circulation that receives.The distribution of WHTV2 is the same with the distribution method of WHTV1.
In the time will stopping WHTV1 to the forwarding flow of Server1:8000, the IPTV management platform issues the following distribution Control Node Transfer1 that plans.
| Channel name | Source address and port | Local reception address and port | Destination address and port | Dispensing action | Other useful information |
| WHTV1 | WHTV1 (IP：8000) | Transfer1 (ip：8000) | Server1：8000 | Deletion |
Distribution Control Node Transfer1 finds the sending node of direct broadcast band WHTV1, this node of deletion Server1:8000.In sum, realized the distribution of real-time media stream is controlled.
For the interconnection of distribution Control Node, the distribution Control Node that only need add upstream and downstream in the destination service node that distribution Control Node in upstream is transmitted channel receives address and the port that flows, interconnection pattern such as Fig. 4.In the embodiment shown in fig. 4, also has a cluster distribution node 2, wherein be provided with relaying distribution Control Node 2, the relaying distribution Control Node 1 in the cluster distribution node 1 is distributed Control Node 2 with the relaying that live TV stream sends in the cluster distribution node 2, thereby realizes the interconnection of distribution Control Node.
Owing to can control the distribution of the channel stream in the distribution Control Node, for the load balancing that is implemented in intranodal provides certain method.
Use the present invention, provide certain method in live TV stream, carrying out advertisement insertion, system can issue advertising plan to the distribution Control Node, indicate in certain time started and concluding time and break for commercialsy, arrive advertisement during the time started in the time, time-out is forwarded to the destination service node to the live TV stream of channel, read promotional literature or ad stream, send advertisement and flow to the destination service node, after the time arrives, recover the live TV stream of original channel.
Need to prove that the distribution Control Node is changeable, decide according to using, may need one or more server apparatus to set up, also may be a module on other streaming media server.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited thereto.Being equal to that those skilled in the art are done on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1, a kind of real-time media stream distribution and control method is characterized in that, comprising:
In network, set up the distribution Control Node;
The program making server sends to described distribution Control Node with the Media Stream of program;
Described distribution Control Node sends to purpose live streaming media server with described Media Stream, provides direct broadcast service by described live streaming media server for the terminal use.
2, real-time media stream distribution according to claim 1 and control method is characterized in that,
In network, set up the network TV IPTV management platform, described distribution Control Node is registered to described IPTV management platform;
Described IPTV management platform is formulated the Media Stream distribution schedule creation, and described distribution schedule creation is handed down to described distribution Control Node;
Described distribution Control Node flows from described program making server receiving media according to described distribution schedule creation, and according to described distribution schedule creation described Media Stream is sent to purpose live streaming media server.
3, real-time media stream distribution according to claim 2 and control method is characterized in that,
Comprise described address and the port that is used to receive the program making server of live TV stream in the described distribution schedule creation, and address and the port of transmitting purpose live streaming media server.
4, real-time media stream distribution according to claim 3 and control method is characterized in that,
After described distribution Control Node received described distribution schedule creation, the address of the forwarding purpose live streaming media server in the described distribution schedule creation and port added to be needed in the tabulation of the target distribution node of respective media stream.
5, real-time media stream distribution according to claim 4 and control method is characterized in that,
When stopping the Streaming Media of live streaming media server transmitted, send the distribution schedule creation of revising to described distribution Control Node, wherein carry the address and the port of the live streaming media server that will stop by the IPTV management platform;
After described distribution Control Node receives the distribution schedule creation of this modification, with address and port deletion from described target distribution node tabulation of the live streaming media server that will stop that wherein carries.
6, real-time media stream distribution according to claim 2 and control method is characterized in that,
In the live process, described distribution Control Node is also to described IPTV management platform reporting ent situation;
Described IPTV management platform is revised described distribution schedule creation according to the network condition of described distribution Control Node report.
7, real-time media stream distribution according to claim 1 and control method is characterized in that,
Described distribution Control Node also sends Media Stream to other distribution Control Node.
8, real-time media stream distribution according to claim 1 and control method is characterized in that,
Described distribution Control Node sends in the process of Media Stream to described purpose live streaming media server, ends the transmission of this Media Stream, sends ad stream;
After described distribution Control Node sends described ad stream, recover to send described Media Stream.
9, a kind of real-time media stream distribution and control system is characterized in that, comprise program making server, distribution Control Node and live streaming media server, wherein,
Described program making server is used for making and providing Media Stream;
Described distribution Control Node is used for receiving described Media Stream from described program making server, and described Media Stream is sent to described live streaming media server;
Described live streaming media server is used for receiving described Media Stream and the Media Stream direct broadcast service being provided from described distribution Control Node.
10, real-time media stream distribution according to claim 9 and control system is characterized in that, also comprise the IPTV management platform,
Described IPTV management platform is used to formulate distribution schedule creation and sends to described distribution Control Node;
Described distribution Control Node is carried out the forwarding of Media Stream according to the distribution schedule creation of described IPTV management platform transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101478823A CN101572807A (en) | 2009-06-16 | 2009-06-16 | Method for distributing and controlling real-time media stream and system thereof |
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| CNA2009101478823A CN101572807A (en) | 2009-06-16 | 2009-06-16 | Method for distributing and controlling real-time media stream and system thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895406A (en) * | 2010-06-23 | 2010-11-24 | 中兴通讯股份有限公司 | Method and system for providing direct broadcast service of mobile streaming media |
| CN104735526A (en) * | 2015-03-30 | 2015-06-24 | 天脉聚源（北京）教育科技有限公司 | Server connection method and device |
| CN109660838A (en) * | 2018-12-19 | 2019-04-19 | 上海众源网络有限公司 | A kind of net cast stream generating method, device and electronic equipment |
| CN109729370A (en) * | 2018-12-13 | 2019-05-07 | 上海众源网络有限公司 | A kind of net cast stream generating method, device and electronic equipment |
-
2009
- 2009-06-16 CN CNA2009101478823A patent/CN101572807A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895406A (en) * | 2010-06-23 | 2010-11-24 | 中兴通讯股份有限公司 | Method and system for providing direct broadcast service of mobile streaming media |
| CN101895406B (en) * | 2010-06-23 | 2014-12-10 | 中兴通讯股份有限公司 | Method and system for providing direct broadcast service of mobile streaming media |
| CN104735526A (en) * | 2015-03-30 | 2015-06-24 | 天脉聚源（北京）教育科技有限公司 | Server connection method and device |
| CN104735526B (en) * | 2015-03-30 | 2018-06-19 | 天脉聚源（北京）教育科技有限公司 | A kind of server connection method and device |
| CN109729370A (en) * | 2018-12-13 | 2019-05-07 | 上海众源网络有限公司 | A kind of net cast stream generating method, device and electronic equipment |
| CN109660838A (en) * | 2018-12-19 | 2019-04-19 | 上海众源网络有限公司 | A kind of net cast stream generating method, device and electronic equipment |
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Open date: 20091104 |