CN101374059A - Multimedia broadcast method, system and medium source equipment - Google Patents
Multimedia broadcast method, system and medium source equipment Download PDFInfo
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- CN101374059A CN101374059A CNA2007100764320A CN200710076432A CN101374059A CN 101374059 A CN101374059 A CN 101374059A CN A2007100764320 A CNA2007100764320 A CN A2007100764320A CN 200710076432 A CN200710076432 A CN 200710076432A CN 101374059 A CN101374059 A CN 101374059A
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Abstract
The invention belongs to the field of multimedia technology and provides a multimedia broadcasting method, a multimedia broadcasting system and a media source device. The method comprises the following steps: a media source is arranged in a multimedia broadcasting mode; a media receiver selects a service group to be added according to the service group declared information which is transmitted from the media source; the connection between the media receiver and the UDP transmitting port corresponding to the media source is established; the media receiver receives the data packet information from the media source and then resolves and plays the data packet. The media source can transmit the broadcasting data information to multiple media receivers at the same time, so that the one-to-many multimedia broadcasting method requires only one data copy to be processed, has no strict requirement for the performance of the media source server, and simplifies the configuration and the management of the system.
Description
Technical field
The invention belongs to multimedia technology field, relate in particular to a kind of media broadcasting method, system and medium source equipment.
Background technology
In the application scenarios that smart machine interconnects, normally man-to-man interconnection and resource-sharing, but under some specific situations, the interconnection and interflow that also needs to use one-to-many, for example:
1, in a large-scale meeting-place, back row's participant can't see the projection on the screen clearly, may need that in real time the picture on lecturer's computer screen is projected to needs in the mode of one-to-many this moment and know and see on participant's computer screen of screen.
2, in life staying idle at home, (Home Media Centre, HMC), and the user wishes can both watch from the net cast on the Internet on the media player in each room if having only a home media center.
At present the interconnection and interflow standard of main flow all is based on man-to-man interconnection and interflow, even so-called one-to-many is arranged, also just a station server is a plurality of client service simultaneously, this to the requirement of the performance of server end and disposal ability also than higher.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of media broadcasting method, is intended to solve the problem of when one-to-many interconnects between existing smart machine server performance being had relatively high expectations.
The embodiment of the invention is achieved in that a kind of media broadcasting method, said method comprising the steps of:
Source of media enters the multimedia broadcasting pattern;
The service groups declaration information that the medium receiver sends according to source of media, the service groups that selection will add;
The corresponding UDP transmit port of medium receiver and source of media connects;
The medium receiver receives from the packet information of source of media and resolves and play.
Another purpose of the embodiment of the invention is to provide a kind of multi-media broadcasting system, and described broadcast system comprises:
Medium source equipment is used to send service groups declaration information, obtains and transmit the broadcast data package informatin; And
The medium receiver with described medium source equipment session connection, is used to receive described broadcast data package informatin and resolves broadcast.
Another purpose of the embodiment of the invention is to provide a kind of medium source equipment, it is characterized in that, described medium source equipment comprises:
The mode of operation handover module is used to be provided with the work operational mode of medium source equipment, and described work operational mode includes multimedia broadcasting pattern and man-to-man towards connection mode;
Service groups information declaration module is used for periodically sending service groups declaration information in network; And
The packet sending module is used to transmit the broadcast data package informatin.
In the embodiment of the invention, source of media can send broadcast data information to a plurality of medium receivers simultaneously, the multi-media broadcast broadcast mode of this one-to-many is owing to only need to handle piece of data copy, requirement to the source of media server performance is so not high, and the configuration of system and management also can be simplified greatly.
Description of drawings
Fig. 1 is the realization flow figure of the media broadcasting method that provides of the embodiment of the invention;
Fig. 2 is the structural representation of the multi-media broadcasting system that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the embodiment of the invention, a plurality of medium receivers are by corresponding User Datagram Protoco (UDP) (UserDatagram Protocol, UDP) port receives the broadcast data from source of media, the multi-media broadcast broadcast mode of this one-to-many can guarantee that the content synchronization of a plurality of clients receives, and because broadcast mode only need be handled piece of data copy, requirement to the source of media server performance is so not high, and the configuration of system and management also can be simplified greatly.
Fig. 1 shows the realization flow of the media broadcasting method that the embodiment of the invention provides, and details are as follows:
In step S101, source of media enters the multimedia broadcasting pattern.
In embodiments of the present invention, the user can be provided with the mode of operation of source of media by the interface of source of media, be that source of media can be set is to operate under the broadcast mode to the user, still operate under the man-to-man connection-oriented pattern, if broadcast mode, then source of media is when playing, adopt the UDP message bag to send, if man-to-man towards connection, (Transmission Control Protocol TCP) carries out the transmission of packet then to adopt transmission control protocol.
In step S102, the service groups that the selection of medium receiver will add, and extract this service groups network information.
A plurality of medium in source of media and the network are by IGRS or DLNA (DigitalLiving Network Alliance, DLNA) etc. standard agreement is realized interconnecting, source of media is periodically sent service groups declaration information, also can receive this declaration information with the convenient medium receiver that adds network subsequently, this moment, the medium receivers can show the service groups information that exists in user's current network by graphical interfaces, determined to add wherein certain service groups by the user.In embodiments of the present invention, consider that same media server can provide service for a plurality of broadcasting simultaneously, so with " service " foundation as grouping, service groups declaration information spinner will comprise service groups identification information and service group network information, wherein, it is a service groups declaration that the service groups identification information is used to identify this information, the service groups network information then further comprises the title of source of media, the network address of source of media, the title of service groups, the network address of UDP, details such as transmit port, the medium receiver that adds network is preserved after receiving service groups declaration information.
In step S103, the corresponding UDP transmit port of medium receiver and source of media connects.
Source of media is after being set to the broadcast mode operation, for security purpose, whether can selectively determine needs the content for its broadcasting that security mechanism is set, simple way can be that the user is that media content is provided with a security password, also can adopt more complicated security mechanism, as content-encrypt etc.
After the medium receiver adds certain service groups; at first connect with the corresponding UDP transmit port of source of media; whether the inquiry source of media has security authentication mechanism; source of media is responded according to the situation that is provided with of self; if simply adopt cryptoguard mechanism; source of media prompting occurs by the medium receiver on screen, the user who requires application to add service groups carries out password authentification.
In step S104, need to judge whether safety certification, if do not need then directly to enter step S105; If need then in step S1041, to carry out password authentification, if checking is passed through, enter step S105, if, then return step S103 not by checking.
In step S105, the medium receiver receives from the packet information of source of media and resolves and play.
After source of media is configured to broadcast mode, beginning sends data in the mode of UDP message packet broadcast to network, the medium receiver through safety certification after, just can monitor packet, and resolve and play by the udp port corresponding with this service groups broadcasted content from source of media.In consolidated network and do not add the medium receiver of this service groups, so can not receive this broadcast data owing to corresponding udp port is not monitored.In embodiments of the present invention, trigger source of media and play multiple mode can be arranged, thus can be the medium receiver by carrying out the broadcast behavior to the source of media active request, also can be that the user directly chooses certain medium and plays on source of media.
In step S106, whether the user withdraws from this service groups according to the needs decision of oneself, can withdraw from the setting of this service groups when withdrawing from by respective menu items in the display interface of medium receiver, if the broadcasting that continues receiving media source repeating step S105 then.
Fig. 2 shows the structure of the multi-media broadcasting system that the embodiment of the invention provides, and for convenience of description, only shows the part relevant with the embodiment of the invention.
As shown in Figure 2, medium source equipment 20 interconnects with a plurality of medium receivers, medium source equipment 20 and all built-in interconnection and interflow standard agreement of medium receiver, as IGRS protocol or DLNA agreement, wherein, the user is provided with the mode of operation of source of media by mode of operation handover module 201, be that source of media can be set is to operate under the broadcast mode to the user, still operate under the man-to-man connection-oriented pattern, if broadcast mode, then source of media adopts the UDP message bag to send when playing, if man-to-man, then adopt Transmission Control Protocol to carry out the transmission of packet towards connection.
Service groups information declaration module 202 is periodically sent service groups declaration information, also can receive this declaration information with the convenient medium receiver that adds network subsequently, this moment, the medium receivers can show the service groups information that exists in user's current network by graphical interfaces, determined to add wherein certain service groups by the user.In embodiments of the present invention, because same media server can provide service for a plurality of broadcasting simultaneously, so with " service " foundation as grouping, service groups declaration information spinner will comprise service groups identification information and service group network information, wherein, it is a service groups declaration that the service groups identification information is used to identify this information, the service groups network information then further comprises the title of medium source equipment, the network address of medium source equipment, the title of service groups, the network address of UDP, details such as transmit port, the medium receiver that adds network is preserved after receiving service groups declaration information.
If the user need be provided with security mechanism for the broadcasted content of medium source equipment; through safety certification module 203 is provided with password for the content of media broadcast; and the medium receiver is after adding certain service groups; at first connect by interconnection and interflow agreement and the corresponding udp port of medium source equipment; whether the inquiry medium source equipment has security authentication mechanism; security authentication module 203 is responded according to the situation of self; if simply adopt cryptoguard mechanism; medium source equipment prompting occurs by the medium receiver on screen, the user who requires application to add service groups carries out password authentification.
If safety verification by or do not have a security authentication mechanism, packet sending module 204 sends the packet that it obtains from the Internet etc. by the udp port corresponding with this service groups broadcasted content to network, in consolidated network, but do not add the medium receiver of this service groups owing to corresponding udp port is not monitored, so can not receive this broadcast data, receive that the medium receiver of UDP message bag begins the decoding broadcast.In embodiments of the present invention, the triggering medium source equipment is play can multiple mode, thereby can be the medium receiver by carrying out the broadcast behavior to the medium source equipment active request, also can be that the user directly chooses certain medium and plays on medium source equipment.
With the life staying idle at home is example, the user opens HMC in the parlor, it is medium source equipment, its play mode is set to broadcast mode, HMC begins periodically to send service groups declaration information to network, sends the UDP message bag to network simultaneously, and the user turns on television set subsequently, television set adds service groups according to the service groups declaration information that receives, and reception UDP message bag is also resolved and play.When the user transfers to bedroom or kitchen, open medium receiver relatively, find source of media and add same service groups by IGRS protocol according to the service groups declaration information that receives, this medium receiver receives UDP message bag and the parsing broadcast that sends from medium source equipment, like this in the local time that the user transfers to another one, he can proceed real-time video-see, and the mode by grouping and broadcasting just can easily realize this one-to-many ground medium sharing application like this.
In sum, the embodiment of the invention has proposed a kind of IGRS's multimedia broadcasting technology based on packet mode, the medium receiver can add or withdraw from certain grouping easily, this broadcast mode of source of media also can be guaranteed the synchronous reception of a plurality of medium receivers to broadcast data, and because broadcast mode only need be handled piece of data copy, requirement to the source of media server performance is so not high, the configuration of system and management also can be simplified greatly, and the application of security authentication mechanism simultaneously also helps the graded encryption of broadcasted content.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a media broadcasting method is characterized in that, said method comprising the steps of:
Source of media enters the multimedia broadcasting pattern;
The service groups declaration information that the medium receiver sends according to source of media, the service groups that selection will add;
The corresponding UDP transmit port of medium receiver and source of media connects;
The medium receiver receives from the packet information of source of media and resolves and play.
2. media broadcasting method as claimed in claim 1, it is characterized in that, described service groups declaration information comprises service groups identification information and service group network information, it is a service groups declaration that the service groups identification information is used to identify this information, and the service groups network information then further comprises the title of medium source equipment, the network address of medium source equipment, the title of service groups, the network address or the transmit port information of UDP.
3. media broadcasting method as claimed in claim 1 is characterized in that, the step that the corresponding UDP transmit port of described medium receiver and source of media connects further comprises:
The medium receiver carries out safety certification.
4. as claim 1,2 or 3 described media broadcasting methods, it is characterized in that medium receiver and source of media realize session connection by IGRS protocol or DLNA agreement.
5. a multi-media broadcasting system is characterized in that, described broadcast system comprises:
Medium source equipment is used to send service groups declaration information, obtains and transmit the broadcast data package informatin; And
The medium receiver with described medium source equipment session connection, is used to receive described broadcast data package informatin and resolves broadcast.
6. multi-media broadcasting system as claimed in claim 5 is characterized in that, described medium source equipment comprises:
The mode of operation handover module is used to be provided with the work operational mode of medium source equipment, and described work operational mode includes multimedia broadcasting pattern and man-to-man towards connection mode.
Service groups information declaration module is used for periodically sending service groups declaration information in network; And
The packet sending module is used to transmit the broadcast data package informatin.
7. multi-media broadcasting system as claimed in claim 6 is characterized in that, described medium source equipment further comprises:
Security authentication module is used to broadcasted content that security authentication mechanism is set.
8. as claim 5,6 or 7 described multi-media broadcasting systems, it is characterized in that, described service groups declaration information comprises service groups identification information and service group network information, it is a service groups declaration that the service groups identification information is used to identify this information, and the service groups network information then further comprises the title of medium source equipment, the network address of medium source equipment, the title of service groups, the network address or the transmit port information of UDP.
9. a medium source equipment is characterized in that, described medium source equipment comprises:
The mode of operation handover module is used to be provided with the work operational mode of medium source equipment, and described work operational mode includes multimedia broadcasting pattern and man-to-man towards connection mode;
Service groups information declaration module is used for periodically sending service groups declaration information in network; And
The packet sending module is used to transmit the broadcast data package informatin.
10. medium source equipment as claimed in claim 9, it is characterized in that, described service groups declaration information comprises service groups identification information and service group network information, it is a service groups declaration that the service groups identification information is used to identify this information, and the service groups network information then further comprises the title of medium source equipment, the network address of medium source equipment, the title of service groups, the network address or the transmit port information of UDP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100764320A CN101374059A (en) | 2007-08-20 | 2007-08-20 | Multimedia broadcast method, system and medium source equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100764320A CN101374059A (en) | 2007-08-20 | 2007-08-20 | Multimedia broadcast method, system and medium source equipment |
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| CN101374059A true CN101374059A (en) | 2009-02-25 |
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| CNA2007100764320A Pending CN101374059A (en) | 2007-08-20 | 2007-08-20 | Multimedia broadcast method, system and medium source equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142213A1 (en) * | 2009-06-12 | 2010-12-16 | 中兴通讯股份有限公司 | Method and system for processing mobile multimedia data broadcasting service |
| CN102082794A (en) * | 2011-01-04 | 2011-06-01 | 深圳市新超亮特种显示设备有限公司 | Real-time play method and equipment |
| CN114513366A (en) * | 2022-03-03 | 2022-05-17 | 安徽省广播电视监测台 | Access control device facing zero trust model and implementation method |
-
2007
- 2007-08-20 CN CNA2007100764320A patent/CN101374059A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142213A1 (en) * | 2009-06-12 | 2010-12-16 | 中兴通讯股份有限公司 | Method and system for processing mobile multimedia data broadcasting service |
| CN101656682B (en) * | 2009-06-12 | 2011-09-21 | 中兴通讯股份有限公司 | Method and system for processing mobile multimedia data broadcasting services |
| CN102082794A (en) * | 2011-01-04 | 2011-06-01 | 深圳市新超亮特种显示设备有限公司 | Real-time play method and equipment |
| CN114513366A (en) * | 2022-03-03 | 2022-05-17 | 安徽省广播电视监测台 | Access control device facing zero trust model and implementation method |
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Open date: 20090225 |