CN102196299B - The method of simultaneously transmitting or receiving a plurality of video graphic system and the emergency broadcast message - Google Patents

The method of simultaneously transmitting or receiving a plurality of video graphic system and the emergency broadcast message Download PDF

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Publication number
CN102196299B
CN102196299B CN 201110144100 CN201110144100A CN102196299B CN 102196299 B CN102196299 B CN 102196299B CN 201110144100 CN201110144100 CN 201110144100 CN 201110144100 A CN201110144100 A CN 201110144100A CN 102196299 B CN102196299 B CN 102196299B
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emergency broadcast
broadcast message
service
id
emergency
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CN 201110144100
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Chinese (zh)
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CN102196299A (en )
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房建中
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中兴通讯股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television, VOD [Video On Demand]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/8126Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
    • H04N21/814Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts comprising emergency warnings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television, VOD [Video On Demand]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a Uniform Resource Locator [URL] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream

Abstract

本发明公开了一种同时发送或接收多条图文视频紧急广播消息的方法,包括:设置并在每次发送紧急广播消息之前更新Service‑Id优先列表;从Service‑Id优先列表中选取优先级最高的N个Service‑Id,分别封装于N条紧急广播消息中;将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,将紧急广播消息数据段再封装后发送给复用器;解析N个控制信息复用帧里的紧急广播消息,得到与每条紧急广播消息对应的Service‑Id,切换到Service‑Id对应的时隙获取图文视频文件。 The present invention discloses a method of simultaneously transmitting or receiving a plurality of video graphic emergency broadcast messages, comprising: Update Service-Id and disposed in each emergency broadcast message before transmitting the prioritized list; selected priority from the priority list of Service-Id after the emergency broadcast message corresponding to the N video graphic file is sent to the multiplexer via the data broadcasting system, the emergency broadcast message repackaging data segment; the N highest Service-Id, are packaged in an emergency broadcast message in the N transmitting to the multiplexer; N control analytical graphics video file information acquiring multiplexing frame in an emergency broadcast message, and to give each of the Service-Id emergency broadcast message corresponding to the switching time slot corresponding Service-Id. 本发明还同时公开了一种系统,运用该方法和系统可在紧急广播系统中实现同时发送和接收多条图文视频紧急广播消息。 The present invention also discloses a system using the method and system allows the simultaneous transmission and reception of a plurality of video graphic emergency broadcast message in an emergency broadcast system.

Description

同时发送或接收多条图文视频紧急广播消息的方法及系统 The method of simultaneously transmitting or receiving a plurality of video graphic system and the emergency broadcast message

技术领域 FIELD

[0001] 本发明涉及移动多媒体广播技术领域,尤其涉及一种同时发送或接收多条图文视频紧急广播消息的方法及系统。 [0001] The present invention relates to a mobile multimedia broadcasting technology, and more particularly relates to a method and system for simultaneously transmitting a plurality of teletext or video reception emergency broadcast message.

背景技术 Background technique

[0002] 紧急广播是一种利用广播通信系统向公众通告紧急事件的方式。 [0002] is a use of the emergency broadcast system announcements broadcast emergency communications to the public way. 如果发生自然灾害、事故灾难、公共卫生或社会安全等突发事件,则会造成或可能造成重大人员伤亡和财产损失,生态环境被破坏,严重危害社会及公共安全,此时,紧急广播则可提供一种迅速、快捷的通告方式,提醒人们及时采取相应措施。 If natural disasters, accidents, disasters, public health or social security and other emergency occurs, it will cause or threaten to cause heavy casualties and property losses, the ecological environment is destroyed, seriously endangering public safety community and, this time, the emergency broadcast can be to provide a fast, efficient way to advertise to remind people to take timely and appropriate measures. 紧急广播消息中的图文视频包括与紧急广播简讯同步的图片、网页和音视频流等。 Graphic video broadcast an emergency message includes synchronization with the emergency broadcast SMS pictures, web pages and audio and video streaming.

[0003] 目前,中国移动数字多媒体广播(CMMB)紧急广播系统在同一时间仅支持一条图文视频紧急广播消息的发送和接收。 [0003] At present, China Mobile Digital Multimedia Broadcasting (CMMB) Emergency Broadcast System at the same time supports only send and receive a graphic video broadcast emergency messages. 现有技术中,紧急广播业务管理平台为图文视频紧急广播消息指定固定的参考业务标识(Service-Id),如:视频频道对应的Service-Id为4000。 In the prior art, the specified emergency broadcast service management platform fixed reference video teletext service identifier is an emergency broadcast message (Service-Id), such as: video channel corresponding to the Service-Id 4000. 因此,即时有多条图文视频紧急广播消息在发送,因其共用了相同的Service-Id,终端也无法解析接收到的图文视频文件。 Thus, a plurality of teletext real time video transmission in an emergency broadcast message, because they shared the same Service-Id, the terminal can not resolve the teletext video file received. 可见,现有CMMB紧急广播系统并不能在同一时间发送多条图文视频紧急广播消息,也不能在同一时间接收多条图文视频紧急广播消息。 Be seen, the conventional systems do not CMMB emergency broadcast teletext video sending multiple emergency broadcast message at the same time, can not be received plurality of video graphic emergency broadcast message at the same time.

[0004] 此外,现有紧急广播业务管理平台中的紧急广播发生器与数据广播业务管理平台中的数据广播系统之间的接口为可扩展标记语言(XML)文件,数据广播系统需定时轮询图文视频文件的目录,导致图文视频文件的读取操作较频繁,浪费系统资源。 [0004] Further, between the emergency broadcast service management platform prior to the emergency broadcast generator and data broadcasting service management platform in the data broadcasting system interface Extensible Markup Language (XML) file, the data broadcasting system need to regularly poll graphic video file directory, resulting in read operations graphic video files more frequently, a waste of system resources.

发明内容 SUMMARY

[0005] 有鉴于此,本发明的主要目的在于提供一种同时发送或接收多条图文视频紧急广播消息的方法及系统,可在cm©紧急广播系统中实现同时发送以及同时接收多条图文视频紧急广播消息。 [0005] In view of this, the main object of the present invention to provide a method and system for simultaneously transmitting a plurality of teletext or video reception emergency broadcast message, enabling simultaneous transmission and simultaneous reception at a plurality of FIG cm © Emergency Broadcast System Wen video emergency broadcast messages.

[0006] 为达到上述目的,本发明的技术方案是这样实现的: [0006] To achieve the above object, the technical solution of the present invention is implemented as follows:

[0007] 一种同时发送多条图文视频紧急广播消息的方法,设置参考业务标识Service-Id 优先列表;该方法还包括:在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段;紧急广播发生器将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器;其中,所述N为紧急广播消息的数目,N为正整数,N>2。 [0007] A method of simultaneously transmitting a video teletext plurality of emergency broadcast message, the service identifier is provided with reference to a priority list of Service-Id; the method further comprising: prior to each broadcast an emergency message, Service-Id prioritized list update; from select Service-Id prioritized list of the N highest priority Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segments; emergency broadcast generator corresponds to the N video graphic emergency broadcast message the data broadcasting system sends the file to the multiplexer, and transmitted to the multiplexer after the emergency broadcast message repackaged data segment; wherein the broadcast message is an emergency number N, N being a positive integer, N> 2.

[0008] 所述更新Service-Id优先列表,为:紧急广播发生器捕获当前发送给复用器的用户数据包协议UDP组播包,解析出W)P组播包中的Service-Id,依据解析出的Service-Id更新Service-Id优先列表,即:将己解析出的Service-Id从Service-Id优先列表中删除。 [0008] Service-Id update the priority list, as: emergency broadcast capture the current generator is sent to the User Datagram Protocol UDP multicast packet demultiplexer, parses W) Service-Id P in the multicast packets, based on parsed Service-Id update Service-Id priority list, namely: the already parsed Service-Id deleted from the Service-Id priority list.

[0009] 所述紧急广播发生器向数据广播系统发送图文视频文件时,通过文件传输协议FTP的方式将图文视频文件发送给数据广播系统,并通过超文本传输协议HTTP消息将与紧急广播消息对应的图又视频又仵的相关彳目息通知数据广播系统。 When [0009] the emergency broadcast video graphics generator is transmitted to the data broadcasting system file, sent via file transfer protocol FTP manner graphics video file to the data broadcasting system, via a hypertext transfer protocol HTTP message with the emergency broadcast and a video message corresponding to FIG left foot and head Wu related information notification data broadcasting system.

[0010]所述HTTP消息包括:各图文视频文件压缩包的文件名称、各图文视频文件压缩包的文件大小、每条紧急广播消息发送的开始时间和结束时间、以及每条紧急广播消息对应的Service-Id〇 [0010] The HTTP messages comprising: a video graphics file for each compressed file name of the package, each of the graphic file is compressed video packet size, start time and end time for each message sent by the emergency broadcast, an emergency broadcast message and each corresponding Service-Id〇

[0011]所述紧急广播发生器将紧急广播消息数据段再封装后发送给复用器,为:紧急广播发生器将封装所得的紧急广播消息数据段封装成紧急广播表,并组装成UDP组播包发送给复用器。 [0011] The generator emergency broadcast sent to the multiplexer after the emergency broadcast message data segment repackaged as: emergency broadcast generator resulting package emergency broadcast message data encapsulated into an emergency broadcast segment table, and assembled into groups UDP multicast packets sent to the multiplexer.

[0012] —种同时接收多条图文视频紧急广播消息的方法,包括:终端解析N个控制信息复用帧里的紧急广播消息,分别得到与每条紧急广播消息对应的Service-Id,并切换到与Service-Id对应的时隙获取图文视频文件;其中,所述N为紧急广播消息的数目,N为正整数,N彡2。 [0012] - simultaneous reception method kinds teletext video plurality emergency broadcast messages, comprising: a terminal parses N control information multiplex frame broadcast message in an emergency, and each respectively corresponding to the emergency broadcast message Service-Id, and Service-Id switching to obtain the corresponding slot graphics video file; wherein the number N is an emergency broadcast message, N is a positive integer, San N 2.

[0013] —种同时发送多条图文视频紧急广播消息的系统,包括复用器;该系统还包括:紧急广播发生器和数据广播系统;其中, [0013] - a plurality of kinds of simultaneous transmission of video graphics systems of the emergency broadcast message, including a multiplexer; the system further comprising: a generator and an emergency broadcast system broadcasting data; wherein,

[0014]所述紧急广播发生器,用于设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段; [0014] The emergency broadcast generator is used to set a prioritized list of Service-Id and the emergency broadcast message before each transmission, the priority list update Service-Id; selecting the N highest priority from the priority list of Service-Id Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segments;

[0015]还用于将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器; [0015] and the N is further configured to broadcast an emergency message corresponding to the teletext video files via the data broadcasting system transmits to the multiplexer, and transmitted to the multiplexer after the emergency broadcast message data segment re-encapsulation;

[0016]所述数据广播系统,用于将紧急广播发生器所发的与N条紧急广播消息对应的图文视频文件转发给复用器; [0016] The data broadcasting system for broadcasting an emergency generator to forward and send emergency broadcast message corresponding to the N video graphic files to the multiplexer;

[0017] 其中,所述N为紧急广播消息的数目,N为正整数,N>2。 [0017] wherein the N number of the emergency broadcast message, N is a positive integer, N> 2.

[0018] 所述紧急广播发生器进一步包括:设置与更新模块、封装模块和发送模块;其中, [0019]所述设置与更新模块,用于设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表; [0018] The emergency broadcast generator further comprising: setting and updating module, a packaging module and a sending module; wherein [0019] the setting and updating module, for setting a Service-Id priority list, and in each send emergency prior to the broadcast message, update Service-Id priority list;

[0020]所述封装模块,用于从设置与更新模块中的Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段,并将所得到的紧急广播消息数据段发送到发送模块; [0020] The encapsulation module, for selecting the N highest priority Service-Id from the Service-Id and the priority list updating module arranged in each package in the N broadcast message in an emergency, an emergency broadcast message to obtain data segments , an emergency broadcast message and the obtained data segments to the transmitting module;

[0021]所述发送模块,用于将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述封装模块所发的紧急广播消息数据段再封装后发送给复用器。 After [0021] the sending module for the emergency broadcast message corresponding to the N video graphic file is sent to the multiplexer via the data broadcasting system and the encapsulation module issued the emergency broadcast message data segment repackaged sent to the multiplexer. [0022]所述发送模块向数据广播系统发送图文视频文件时,通过FTP的方式将图文视频文件发送给数据广播系统,并通过HTTP消息将与紧急广播消息对应的图文视频文件的相关信息通知数据广播系统。 When [0022] the sending module sends data to the video file teletext broadcasting system will be transmitted by way of teletext video FTP file to the data broadcasting system, via HTTP messages and related graphic and video files corresponding to the emergency broadcast message information notification data broadcasting system.

[0023] 一种同时接收多条图文视频紧急广播消息的终端,用于解析N个控制信息复用帧里的紧急广播消息,分别得到与每条紧急广播消息对应的Service-Id,并切换到与Service-Id对应的时隙获取图文视频文件;其中,所述N为紧急广播消息的数目,N为正整数,N彡2。 [0023] A plurality of terminals to simultaneously receive video graphics emergency broadcast message for multiplex frame in the emergency broadcast message parsing N control information, respectively associated with each of the corresponding emergency broadcast message Service-Id, and switches graphics and video files to obtain the Service-Id corresponding time slots; wherein said number N is an emergency broadcast message, N is a positive integer, San N 2.

[0024]本发明提供的同时发送或接收多条图文视频紧急广播消息的方法及系统,设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段;将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器;终端解析N个控制信息复用帧里的紧急广播消息,分别得到与每条紧急广播消息对应的Service-Id,并切换到与Service-Id对应的时隙获取图文视频文件。 [0024] Method and system for transmitting or receiving a plurality of video graphic emergency broadcast message while the present invention is provided, is provided a prioritized list of Service-Id and the emergency broadcast message before each transmission, the priority list update Service-Id; Service from -Id select the priority list of the N highest priority Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segment; N corresponding to the emergency broadcast message bar graphics video files via the data broadcasting system sent to the multiplexer, and the emergency broadcast message sent to the multiplexer data segment after repackaging; N terminal parses frame control information multiplexing broadcast message in an emergency, and each respectively corresponding to the emergency broadcast message Service -Id, and switching to the Service-Id and the corresponding time slot obtaining teletext video files. 本发明在同一时刻所发送的多条紧急广播消息分别对应不同的Service-Id,且每条紧急广播消息对应的Service-Id为非固定值,因此, 本发明可在CMMB紧急广播系统中实现同时发送以及同时接收多条图文视频紧急广播消息。 A plurality of the present invention an emergency broadcast message transmitted at the same time correspond to different Service-Id, and each of the emergency broadcast message Service-Id corresponding to a non-fixed value, therefore, the present invention may be implemented simultaneously in the emergency broadcast system CMMB while receiving and transmitting a plurality of video graphic emergency broadcast message. [0025]此外,本发明中所述紧急广播发生器与数据广播系统间的接口为HTTP消息,即紧急广播发生器通过HTTP消息将与紧急广播消息对应的图文视频文件的相关信息通知数据广播系统。 [0025] Further, the interface for the HTTP message, i.e., an emergency broadcast related information graphics generator video file by HTTP message corresponding to the emergency broadcast notification data broadcast message between the emergency broadcast generator according to the present invention, the data broadcasting system system. 因此,本发明避免了以现有XML文件作为接口所带来的目录轮询、过多输入输出操作的问题,使得紧急广播发生器与数据广播系统间通信具有快速性,且减少了CPU的使用率,提局了效率。 Accordingly, the present invention avoids as an interface to existing XML file directory brought polling, excessive problems O operations, such that between the generator and the emergency radio communication system having a broadcast data fast, reducing the CPU usage and rate, raise the efficiency of the office.

附图说明 BRIEF DESCRIPTION

[0026]图1为本发明同时发送多条图文视频紧急广播消息的方法实现流程示意图; Method [0026] FIG. 1 of the present invention simultaneously transmits a plurality of video graphic emergency broadcast message to achieve a schematic flow diagram;

[0027]图2为终端所接收的一条紧急广播消息对应的复用帧的结构示意图; [0027] FIG. 2 is a schematic structural diagram of a multiplexing frame of the received emergency broadcast message corresponding to the terminal;

[0028]图3为本发明同时发送多条图文视频紧急广播消息的系统结构示意图。 [0028] FIG. 3 is a schematic system configuration of a plurality of video graphic emergency broadcast message sent simultaneously present invention.

具体实施方式 detailed description

[0029] 本发明的基本思想是:设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-id , 分别封装于N 条紧急广播消息中, 得到紧急广播消息数据段; 紧急广播发生器将与N 条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器; [0029] The basic idea of ​​the present invention are: Service-Id prioritized list is provided, and the emergency broadcast message before each transmission, the priority list update Service-Id; selecting the N highest priority from the Service-Id Service- priority list id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segments; generator and an emergency broadcast emergency broadcast message corresponding to the N video graphic file is sent to the multiplexer via the data broadcasting system, and the emergency broadcast message is sent to the multiplexer after the repackaged data segment;

[0030]终端解析N个控制信息复用帧里的紧急广播消息,分别得到与每条紧急广播消息对应的Service-Id,并自动切换到与Service-Id对应的时隙获取图文视频文件;其中,所述N为紧急广播消息的数目,N为正整数,N>2。 [0030] N terminal parses control information multiplex frame in the emergency broadcast messages, respectively, to give each of the Service-Id and the message corresponding to the emergency broadcast, and automatically switch to the Service-Id and the corresponding time slot obtaining teletext video file; wherein the number N is an emergency broadcast message, N is a positive integer, N> 2.

[0031]进一步地,本发明中所述紧急广播发生器与数据广播系统间的接口为超文本传输协议(HTTP)消息。 [0031] Further, the present invention is an interface between the generator and the emergency broadcast in the data broadcasting system as a Hypertext Transfer Protocol (HTTP) message.

[0032] 下面结合附图及具体实施例对本发明作进一步详细说明。 [0032] The following specific embodiments and examples of the present invention is described in further detail in conjunction with the accompanying drawings.

[0033]图1为本发明同时发送多条图文视频紧急广播消息的方法实现流程示意图,如图1 所示,该流程的实现步骤如下: Method [0033] FIG. 1 of the present invention simultaneously transmits a plurality of video graphic realization emergency broadcast message flow diagram shown in Figure 1, the process steps are as follows:

[0034] 步骤101:设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表; [0034] Step 101: Set a prioritized list of Service-Id and the emergency broadcast message before each transmission, the priority list update Service-Id;

[0035] 具体为:根据复用器配置情况,即:根据复用器固定的时隙设置Service-Id优先列表,因在现有CMMB紧急广播系统中,所述复用器的时隙是固定设置的。 [0035] Specifically: The multiplexer configuration, namely: the priority list is provided according to a fixed time slot multiplexer Service-Id, due to the existing emergency CMMB broadcasting system, time slots are fixed to the multiplexer settings. 例如:可按优先级由高到低的顺序设置的Service-Id可为:4001、4002、4003和4004。 For example: Priority Service-Id may be arranged in descending order may be: 4001,4002,4003 and 4004.

[0036] 本发明中,Service-Id优先列表中的每个Service-Id可对应不同的业务类型,如: 4001可对应电子报纸,在其它时刻也可对应图文视频紧急广播消息。 [0036] In the present invention, each of the Service-Id Service-Id prioritized list may correspond to different service types, such as: 4001 may correspond to an electronic newspaper, at other times also correspond teletext video emergency broadcast message. 而现有技术中,每个Service-Id只对应固定的业务类型。 Whereas the prior art, corresponding to each of the Service-Id fixed only service type.

[0037] Service-Id优先列表设置完成后,紧急广播发生器在每次发送紧急广播消息之前,首先捕获当前发送给复用器的用户数据包协议(UDP)组播包,并按已有方式解析出UDP 组播包中的Service-Id,也就是当前已占用的Service-Id,依据解析出的Service-Id更新Service-Id优先列表,即将已占用的Service-Id删除。 After [0037] Service-Id prioritized list setting is completed, before each generator emergency broadcast emergency broadcast message transmitted by first User Datagram Protocol capture the current sent to the multiplexer (UDP) multicast packets, press AVAILABLE parse out the Service-Id UDP multicast packet, which is currently occupied by Service-Id, a priority list based on parsed Service-Id update Service-Id, soon occupied the Service-Id deleted. 例如:如果解析所得的Service-Id为4001,也就是说Service-Id:4001当前已被占用,更新时,则将Service-Id: 4001的记录删除,那么,更新后Service-Id优先列表中的Service-Id为:4002、4003和4004,用于后续紧急广播消息的发送。 For example: If the resolution obtained Service-Id is 4001, which means that Service-Id: 4001 is currently occupied, updating, will be Service-Id: 4001 records deleted, then, Service-Id updated list of priority Service-Id is: 4002,4003 and 4004, for subsequent transmission of the emergency broadcast message.

[0038] 这里,所述紧急广播发生器所捕获的UDP组播包为当前所发的紧急广播消息对应的UDP组播包,设该紧急广播消息已占用了Service-Id优先列表中优先级最高的Service-Id:4001,再发送其它紧急广播消息时,该Service-Id不能使用,因此需对Service-Id优先列表进行更新。 [0038] Here, the emergency generator of the captured broadcast multicast UDP packets to the current emergency broadcast message issued by the corresponding UDP multicast packets, provided that an emergency broadcast message has been occupied by Service-Id highest priority in the priority list the Service-Id: 4001, when resending other emergency broadcast message, the Service-Id can not be used, and therefore the need for the Service-Id priority list is updated.

[0039] 步骤102:从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段; [0039] Step 102: Select Service-Id from the priority list of the N highest priority Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segments;

[0040] 具体为:紧急广播发生器收到门户审核紧急广播消息通知时,根据紧急广播消息的发送时间设置紧急广播表的发送定时器以及文件传输协议(FTP)的发送定时器,例如:所述两定时器的定时时间可比紧急广播消息的发送时间提前30s。 [0040] Specifically: the generator receives the emergency broadcast emergency broadcast message notification portal audit provided emergency broadcast transmission timer table and file transfer protocol (FTP) according to the transmission time of the emergency broadcast message send timer, for example: the said timer timer time than the two emergency broadcast message sent ahead of time 30s. 这里,所述两个定时器的设置为现有技术,此处不再详述。 Here, the timer is set to two prior art, not described in detail herein.

[0041]若待发送两条紧急广播消息,紧急广播发生器则从已更新的Service-Id优先列表中按优先级由高到低的顺序选取两个优先级别最高的Service-Id,如:4002和4003,之后将两个已选定的Service-Id分别封装在两条紧急广播消息中,如果紧急广播消息超过8191字节,则将紧急广播消息进行分段处理,并将分段后的紧急广播消息填入字段紧急广播数据中,封装成紧急广播数据段。 [0041] If the message to be sent two emergency broadcast, an emergency broadcast generator from the updated list of Service-Id priority in a descending order of priority by selecting the highest priority two Service-Id, such as: 4002 and 4003, after the two have been selected in the Service-Id encapsulate two emergency broadcast message if the message is over 8191 bytes of the emergency broadcast, an emergency broadcast message will be processed segmented, and the segmented emergency fill an emergency broadcast message broadcast data field, encapsulated into an emergency broadcast data segment.

[0042]其中,所述将Service-Id封装在紧急广播消息中,以及将紧急广播消息封装成紧急广播数据段的过程为现有技术,此处不再详述。 [0042] wherein the Service-Id encapsulated in the emergency broadcast message, and to process emergency broadcast message encapsulated in an emergency broadcast data segment of the prior art, not described in detail herein.

[0043]步骤103:将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器; [0043] Step 103: the N and the message corresponding to the emergency broadcast video graphic file is sent to the multiplexer via the data broadcasting system, and sends the message to the multiplexer after the emergency broadcast data segment re-encapsulation;

[0044]具体为:当已设置的FTP发送定时器定时时间到后,紧急广播发生器将与每条紧急广播消息对应的图文视频文件通过FTP的方式发送到数据广播业务管理平台中的数据广播系统,对应于不同紧急广播消息的图文视频文件分别存储于数据广播系统中以Service-Id 为目录名的目录中,例如:与第一条紧急广播消息对应的图文视频文件存储于4002为目录名的目录中,与第二条紧急广播消息对应的图文视频文件存储于4003为目录名的目录中。 [0044] Specifically: When the set time of the timer to the FTP transmission, the generator emergency broadcast data for broadcast service management platform in the emergency broadcast message corresponding to each graphic video files sent via FTP way broadcast systems, emergency broadcast message corresponding to different graphic video files are stored in the data broadcasting system to Service-Id directory is the directory name, for example: the first graphic and video files corresponding to the emergency broadcast message is stored in the 4002 directory or directory names, and the second message corresponding to the emergency broadcast graphic video files stored in the directory 4003 directory names. [0045]同时,紧急广播发生器将与紧急广播消息对应的图文视频文件的相关信息通知数据广播系统,与现有XML文件不同的是,本发明紧急广播发生器通过HTTP消息通知数据广播系统,所述HTTP消息可包括:各图文视频文件压缩包的文件名称、每条紧急广播消息发送的开始时间和结束时间、各图文视频文件压缩包的文件大小,以及每条紧急广播消息对应的Service-Id 等。 [0045] Meanwhile, an emergency broadcast generator corresponding to the emergency broadcast message graphics video file broadcast system information notification data, with an existing XML file except that the generator of the invention the emergency broadcast notification data by HTTP message broadcasting system the HTTP message can include: graphic of each video file archive file name, start time for each message sent and emergency broadcast end time of each graphics file compressed video file size, and each corresponding to an emergency broadcast message the Service-Id and so on.

[0046]数据广播系统收到HTTP消息后进行解析,根据每条紧急广播消息的Service-Id和压缩包文件名称,到Service-Id对应的目录中查找相应的图文视频文件的压缩包文件,并根据紧急广播消息的开始时间和结束时间设置数据广播系统发送图文视频文件的开始定时器和结束定时器,所述发送图文视频文件的开始、结束定时器的设置为现有技术。 After [0046] the data broadcasting system receives the HTTP message parsing, according to Service-Id and the emergency broadcast message every compressed file name, to the Service-Id corresponding directory to find the corresponding graphics file compressed video file, and set the data broadcasting system transmits the timer start and end graphics video file based on the start time of the emergency broadcast timer message and an end time, a transmission start graphic video file, set the timer to the end of the prior art.

[0047]当已设置的数据广播表发送定时器定时时间到后,紧急广播发生器将封装所得的紧急广播消息数据段封装成紧急广播表,并组装成UDP组播包发送给复用器。 [0047] When the broadcast data table has been set to the transmission timer has timed out, the resulting package generator emergency broadcast emergency broadcast message data encapsulated into an emergency broadcast segment table, and assembled into UDP multicast packets sent to the multiplexer. 当发送图文视频文件的定时器定时时间到后,数据广播系统将图文视频文件进行己有的分块和分片处理,并经可扩展协议封装(XPE) /可扩展协议封装-前向纠错(XPE-FEC)封装后,发送给复用器。 When the timer transmission timing of teletext video file after time, the data broadcasting system will have some graphics video file and fragment processing block, and dried extensible protocol encapsulation (XPE) / Extensible Protocol Encapsulation - Forward after error correction (XPE-FEC) package, sent to the multiplexer.

[0048]本发明还提供了一种同时接收多条图文视频紧急广播消息的方法,为:终端解析N 个控制信息复用帧里的紧急广播消息,分别得到与每条紧急广播消息对应的Service-Id, 并切换到与Service-Id对应的时隙获取图文视频文件; [0048] The present invention further provides a method for receiving a plurality of video graphic emergency broadcast message at the same time, it is: N terminal parses control information multiplex frame broadcast message in an emergency, and each respectively corresponding to the emergency broadcast message Service-Id, and switching to the Service-Id and the corresponding time slot obtaining teletext video file;

[0049]具体为:终端收到经复用器和发射机转发的N条紧急广播消息后,分别解析N个控制信息复用帧里的紧急广播消息,所述控制信息复用帧即为复用帧0,如图2所示,也就是TS0,通过TS0中的网络级别、网络号和消息ID三个字段来确定一个紧急广播消息,获取紧急广播表并解析,合成紧急广播消息数据段为完整的紧急广播消息,解析出每条紧急广播消息中的Service-Id字段,根据所述Service-Id对应的时隙获取图文视频文件。 [0049] Specifically: after the N terminal receives an emergency broadcast message via a multiplexer and a transmitter forwarding resolves N control information multiplex frame in the emergency broadcast message, the control information multiplex frame is the complex 0 frame, shown in Figure 2, i.e. TS0, determining a broadcast message through the network-level emergency in the TS0, and the network number three message ID field, obtaining and parsing the emergency broadcast table, synthetic emergency broadcast message data segment complete emergency broadcast message, parses the Service-Id field of each message in the emergency broadcast, a video file according to the acquired graphic Service-Id corresponding slot.

[0050]这里,所述紧急广播消息的相关信息存储于复用帧0中,通过解析可得到紧急广播消息中的Service-Id字段,如图2所示,解析得到当前该条紧急广播消息Service-Id :x对应的时隙为时隙m,进而可从时隙m获取图文视频文件。 [0050] Here, the emergency message broadcast related information is stored in the multiplexing frame 0, can be obtained by analyzing the Service-Id field of the emergency broadcast message, as shown in FIG piece obtained by parsing the current emergency broadcast message Service 2 -Id: x corresponding slot is slot m, and further can obtain files from the teletext video slot m.

[0051]其中,终端通过控制信息复用帧解析紧急广播消息的过程与现有技术相同,区别在于:现有图文视频文件对应的时隙是固定的,也就是现有图文视频文件对应的Service-Id为一固定值,而本发明中解析出的Service-Id非固定值,与Service-Id优先列表相关。 [0051] wherein the terminal multiplex frame parsing process emergency broadcast message with the same prior art control information, except that: an existing graphic file corresponding to the video slots are fixed, that is, video files corresponding to the existing graphics the Service-Id to a fixed value, but the present invention is a non-fixed value of the Service-Id parsed, the priority list associated with the Service-Id. [0052]本发明还提供了一种同时发送多条图文视频紧急广播消息的系统,如图3所示,该系统包括复用器,还包括:紧急广播发生器和数据广播系统;其中, [0052] The present invention also provides a system for transmitting a plurality of video graphic emergency broadcast message at the same time, as shown in FIG. 3, the system includes a multiplexer, further comprising: a generator and an emergency broadcast system broadcasting data; wherein,

[0053] 所述紧急广播发生器,用于设置参考业务标识Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段; [0053] The broadcast emergency generator, for setting the reference service identifier Service-Id priority list, and an emergency broadcast message before each transmission, the priority list update Service-Id; selecting the highest priority from the priority list of Service-Id the N Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segments;

[0054]还用于将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器; [0054] and the N is further configured to broadcast an emergency message corresponding to the teletext video files via the data broadcasting system transmits to the multiplexer, and transmitted to the multiplexer after the emergency broadcast message data segment re-encapsulation;

[0055]所述数据广播系统,用于将紧急广播发生器所发的与N条紧急广播消息对应的图文视频文件转发给复用器。 [0055] The data broadcasting system for broadcasting an emergency generator to forward and send emergency broadcast message corresponding to the N video graphic files to the multiplexer.

[0056]本发明还提供了一种同时接收多条图文视频紧急广播消息的终端, [0056] The present invention further provides a terminal for receiving a plurality of video graphic emergency broadcast message at the same time,

[0057]所述终端,用于解析N个控制信息复用帧里的紧急广播消息,分别得到与每条紧急广播消息对应的Service-Id,并切换到与Service-Id对应的时隙获取图文视频文件。 [0057] the terminal for the multiplexing frame in the emergency broadcast message parsing N control information, respectively associated with each of the corresponding emergency broadcast message Service-Id, and switch to the Service-Id FIG slot corresponding to obtain Wen video files.

[0058]所述紧急广播发生器进一步包括:设置与更新模块、封装模块和发送模块;其中, [0059]所述设置与更新模块,用于设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表; [0058] The emergency broadcast generator further comprising: setting and updating module, a packaging module and a sending module; wherein [0059] the setting and updating module, for setting a Service-Id priority list, and in each send emergency prior to the broadcast message, update Service-Id priority list;

[0060]所述封装模块,用于从设置与更新模块中的Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段,并将所得到的紧急广播消息数据段发送到发送模块; [0060] The encapsulation module, for selecting the N highest priority Service-Id from the Service-Id and the priority list updating module arranged in each package in the N broadcast message in an emergency, an emergency broadcast message to obtain data segments , an emergency broadcast message and the obtained data segments to the transmitting module;

[0061]所述发送模块,用于将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述封装模块所发的紧急广播消息数据段再封装后发送给复用器。 After [0061] the sending module for the emergency broadcast message corresponding to the N video graphic file is sent to the multiplexer via the data broadcasting system and the encapsulation module issued the emergency broadcast message data segment repackaged sent to the multiplexer. [0062]其中,所述发送模块向数据广播系统发送图文视频文件时,通过FTP的方式将图文视频文件发送给数据广播系统,并通过HTTP消息将与紧急广播消息对应的图文视频文件的相关信息通知数据广播系统。 When [0062] wherein the sending module sends data to the video file teletext broadcasting system will be transmitted by way of teletext video FTP file to the data broadcasting system, via HTTP message corresponding to the emergency broadcast message graphic video file the information notification data broadcasting system.

[0063]以上所述,仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。 [0063] The above descriptions are merely preferred embodiments of the present invention but are not intended to limit the scope of the present invention.

Claims (8)

  1. 1. 一种同时发送多条图文视频紧急广播消息的方法,其特征在于,设置参考业务标识Service-Id优先列表;所述Service-Id优先列表中的Service-Id满足下述条件:在同一时刻所发送的多条紧急广播消息分别对应不同的Service-Id,且每条紧急广播消息对应的Service-Id为非固定值;该方法还包括: 在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段;紧急广播发生器将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器; 其中,所述N为紧急广播消息的数目,N为正整数,N>2。 CLAIMS 1. A method of simultaneously transmitting a video teletext plurality of emergency broadcast message, wherein the service identifier is provided with reference to a priority list of Service-Id; Service-Id prioritized list of the Service-Id satisfies the following conditions: the same a plurality emergency broadcast messages transmitted in time correspond to different Service-Id, and each of the emergency broadcast message Service-Id corresponding to a non-fixed value; the method further comprising: prior to each broadcast an emergency message, updates Service- Id prioritized list; Service-Id is selected from the prioritized list of the N highest priority Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segments; generator emergency broadcast emergency broadcast message with the N graphic file corresponding to the video transmission to the multiplexer via the data broadcasting system, and sends the data to the multiplexer section repackaged after an emergency broadcast message; wherein the broadcast message is an emergency number N, N being a positive integer , N> 2.
  2. 2. 根据权利要求1所述的同时发送多条图文视频紧急广播消息的方法,其特征在于,所述更新Service-Id优先列表,为: 紧急广播发生器捕获当前发送给复用器的用户数据包协议UDP组播包,解析出UDP组播包中的Service-Id,依据解析出的Service-Id更新Service-Id优先列表,即:将已解析出的Service-Id从Service-Id优先列表中删除。 Simultaneous transmission according to claim 1, said method teletext video plurality of emergency broadcast message, wherein the updated priority list of Service-Id for: capturing the user's current emergency broadcast generator is sent to the multiplexer Datagram protocol UDP multicast packets, parse out the Service-Id UDP multicast packet priority list based on parsed Service-Id update Service-Id, namely: the already parsed Service-Id priority list from the Service-Id deleted.
  3. 3. 根据权利要求1或2所述的同时发送多条图文视频紧急广播消息的方法,其特征在于,所述紧急广播发生器向数据广播系统发送图文视频文件时, 通过文件传输协议FTP的方式将图文视频文件发送给数据广播系统,并通过超文本传输协议HTTP消息将与紧急广播消息对应的图文视频文件的相关信息通知数据广播系统。 According to claim 12 or simultaneously transmitting a plurality of video graphic emergency broadcast message The method of claim, wherein the emergency broadcast video graphics generator is transmitted to the data broadcasting system files, File Transfer Protocol (FTP) by Related information notifying the data broadcasting system video graphics files manner of transmitting teletext video file to the data broadcasting system, via a hypertext transfer protocol HTTP message corresponding to the emergency broadcast message.
  4. 4. 根据权利要求3所述的同时发送多条图文视频紧急广播消息的方法,其特征在于,所述HTTP消息包括: 各图文视频文件压缩包的文件名称、各图文视频文件压缩包的文件大小、每条紧急广播消息发送的开始时间和结束时间、以及每条紧急广播消息对应的Service-Id。 Simultaneous transmission according to claim 3, the method of teletext video plurality emergency broadcast message, wherein, said HTTP message comprising: a video graphics file for each compressed file name of the package, each graphics file compressed video file size, each emergency broadcast start time and end time of message transmission, and each corresponding to an emergency broadcast message Service-Id.
  5. 5. 根据权利要求1或2所述的同时发送多条图文视频紧急广播消息的方法,其特征在于,所述紧急广播发生器将紧急广播消息数据段再封装后发送给复用器,为: 紧急广播发生器将封装所得的紧急广播消息数据段封装成紧急广播表,并组装成UDP 组播包发送给复用器。 According to claim 1 or 2 simultaneously or a method of transmitting a plurality of video graphic claim emergency broadcast message, wherein the emergency broadcast generator sent to the multiplexer after the emergency broadcast message data segment re-encapsulation, as : generator emergency broadcast emergency broadcast message encapsulating resulting data is encapsulated into an emergency broadcast segment table, and assembled into UDP multicast packets sent to the multiplexer.
  6. 6. —种同时发送多条图文视频紧急广播消息的系统,包括复用器;其特征在于,该系统还包括:紧急广播发生器和数据广播系统;其中, 所述紧急广播发生器,用于设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表;从Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段;所述Service-Id优先列表中的Service-Id满足下述条件:在同一时刻所发送的多条紧急广播消息分别对应不同的Service-Id,且每条紧急广播消息对应的Service-Id为非固定值; 还用于将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述紧急广播消息数据段再封装后发送给复用器; 所述数据广播系统,用于将紧急广播发生器所发的与N条紧急广播消息对应的图文视频文件转发给复用器; 其中 6. - simultaneously transmits a plurality of kinds of video graphics system, an emergency broadcast message, including a multiplexer; characterized in that the system further comprises: a data generator and broadcasting an emergency broadcast system; wherein the emergency broadcast generator, with Service-Id provided to the priority list, and an emergency broadcast message before each transmission, the priority list update Service-Id; selecting the N highest priority from the Service-Id Service-Id priority list, respectively, encapsulated in the N emergency broadcast message, the emergency broadcast message to obtain data segments; Service-Id prioritized list of the Service-Id satisfies the following conditions: a plurality emergency broadcast message transmitted at the same time correspond to different Service-Id, and each emergency after further means for the emergency broadcast message corresponding to the N video graphic file is sent to the multiplexer via the data broadcasting system and the emergency broadcast message repackaged data segment; broadcast message Service-Id corresponding to a non-fixed value transmitting to the multiplexer; the data broadcasting system for broadcasting an emergency generator to forward and send emergency broadcast message corresponding to the N video graphic files to the multiplexer; wherein ,所述N为紧急广播消息的数目,N为正整数,NS2。 , N is the number of the emergency broadcast message, N is a positive integer, NS2.
  7. 7. 根据权利要求6所述的同时发送多条图文视频紧急广播消息的系统,其特征在于,所述紧急广播友生器进一步包括:设置与更新模块、封装模块和发送模块;其中, 所述设置与更新模块,用于设置Service-Id优先列表,并在每次发送紧急广播消息之前,更新Service-Id优先列表; 所述封装模块,用于从设置与更新模块中的Service-Id优先列表中选取优先级最高的N个Service-Id,分别封装于N条紧急广播消息中,得到紧急广播消息数据段,并将所得到的紧急广播消息数据段发送到发送模块; 所述发送模块,用于将与N条紧急广播消息对应的图文视频文件经数据广播系统发送给复用器,并将所述封装模块所发的紧急广播消息数据段再封装后发送给复用器。 Meanwhile according to claim 6, said plurality of transmitting video graphics system of the emergency broadcast message, wherein the emergency broadcast Generator ICs further comprising: setting and updating module, a packaging module and a sending module; wherein the and updating said setting means for setting the priority list Service-Id and the emergency broadcast message before each transmission, the priority list update Service-Id; the encapsulation module is configured to set the update module from the Service-Id priority select the highest priority in the list of the N Service-Id, are packaged in the N emergency broadcast message, the broadcast message to obtain urgent data segment, the data segment sends an emergency broadcast message and transmits the resultant to the module; the sending module, the graphics and video files for the N corresponding to the emergency broadcast message transmitted to the multiplexer via the data broadcasting system, and sent to the multiplexer after the encapsulation module issued the emergency broadcast message data segment re-encapsulation.
  8. 8.根据权利要求7所述的同时发送多条图文视频紧急广播消息的系统,其特征在于,所述发送模块向数据广播系统发送图文视频文件时,通过FTP的方式将图文视频文件发送给数据广播系统,并通过HTTP消息将与紧急广播消息对应的图文视频文件的相关信息通知数据广播系统。 When transmitting a plurality of video graphics system while the emergency broadcast message according to claim 7, characterized in that said video graphics file sending module sends the data broadcasting system, via FTP manner graphic video file transmitted to the data broadcasting system and the information notified by the data broadcasting system and the emergency broadcast message HTTP message corresponding to the video graphics files.
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