CN104301658A - Multi-point video convergence system based on mobile terminal - Google Patents

Multi-point video convergence system based on mobile terminal Download PDF

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CN104301658A
CN104301658A CN201410579831.9A CN201410579831A CN104301658A CN 104301658 A CN104301658 A CN 104301658A CN 201410579831 A CN201410579831 A CN 201410579831A CN 104301658 A CN104301658 A CN 104301658A
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video
module
mobile terminal
server
format
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CN201410579831.9A
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Chinese (zh)
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任德新
李志敏
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四川省科本哈根能源科技有限公司
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Abstract

The invention discloses a multi-point video convergence system based on a mobile terminal. The multi-point video convergence system comprises the mobile terminal and a video convergence server, wherein the video convergence server comprises a management server, a position server, an agent server and a register server; the management server comprises a video processing unit which comprises an inverse variable length encoding module, an addressing module, a variable length encoding module and a comprehensive module; the mobile terminal comprises a video image collecting module, a format conversion module, a resolution conversion module and an encoding module. According to the multi-point video convergence system, control and management of the video convergence system based on the mobile terminal can be achieved.

Description

一种基于移动终端的多点视频汇聚系统 A multi-point video system of the mobile terminal based aggregation

技术领域 FIELD

[0001] 本发明涉及多点视频汇聚技术领域,特别涉及一种基于移动终端的多点视频汇聚系统。 [0001] The present invention relates to multi-point video aggregation technology, and particularly relates to a multi-point video system based on the convergence of the mobile terminal.

背景技术 Background technique

[0002] 4G业务给移动终端用户提供了更丰富的网络带宽和优质的服务,随之带来的移动业务也在不断扩大,意味着人们可以享受更加高速的移动网络带宽。 [0002] 4G mobile business to provide end users with a richer network bandwidth and quality of service, and brought the mobile business is continuing to expand, means that more people can enjoy high-speed mobile network bandwidth. 通过4G网络,移动终端也可以像计算机一样实现高质量的语音、视频传输以及流媒体播放等诸多的增值业务。 Through the 4G network, the mobile terminal may also be implemented as high-quality voice, video and streaming media transport playback many value-added services like a computer. 随着4G业务运营的到来,网络运营商必然会给用户提供有线和无线等多样化的技术手段。 With the advent of 4G business operations, network operators will certainly provide a variety of wired and wireless and other technical means to the user. 通过业务融合,给用户带来无所不在的视频服务。 By business integration, giving users ubiquitous video services. 其中,基于移动终端的多点视频汇聚是最常用,最便捷的方式。 Wherein the multi-point video-based aggregation of the mobile terminal is the most common and convenient way.

[0003] 基于移动终端的多点视频汇聚系统可以在一个通讯信道上承载视频、音频等多媒体的数据,从而实现多点实时通信。 [0003] may carry video, audio and other multimedia data in a multi-point video communication channel of the mobile terminal based aggregation system, enabling real-time multi-point communications. 即通过移动终端将不同地点人员场景的多媒体数据实时传送至多个客户端,为用户提供了极大的便携性。 I.e., the multimedia data through the mobile terminal in different locations of the art real-time transmission to a plurality of scenes clients, to provide users with great portability. 基于移动终端的多点视频汇聚系统是一种便携、即时、高效并拥有非常广泛市场的新型通讯系统。 Multipoint video convergence system based on mobile terminal is a portable, instant, efficient and has a very broad market new communications system. 然而,现有的多点视频汇聚系统,业务种类少、通信效率低、兼容性一般,越来越不能满足基于4G的视频业务的需求。 However, the conventional multi-point video concentrating system, small business types, communication efficiency is low, compatibility is generally, based on 4G can not meet the demand video service. 为了实现4G业务需求,基于移动终端的多点视频汇聚系统应当至少满足以下的功能需求: To achieve the 4G service requirements, multi-point video-based aggregation system, the mobile terminal should satisfy at least the following functional requirements:

[0004] (I)通信功能需求:能够响应和处理客户端的呼叫;可以协商客户端之间音视频编解码的格式;能够实现在不中断会议的情况下,动态添加或者删除通信成员;实现一点对多点、组播、广播等的通信方式。 [0004] (I) Communication functional requirements: the ability to respond to and handle calls clients; can negotiate audio and video codec format between clients; can be achieved without interrupting the meeting, dynamically add or remove communication member; achieve little to-multipoint communication, multicast, broadcast or the like.

[0005] (2)多点视频会议的执行功能需求:根据会议的配置完成会议的初始化;会议成员可以通过主动或被动方式加入会议。 [0005] perform the function requirements (2) multi-point video conferencing: configuration according to the initialization of the Conference; join a conference by the conference member can be active or passive. 实现视频会议的执行和结束及释放资源,并与其他功能协调实现会议成员的变更等功能。 Implement and execute end video conferencing and release resources, and coordination with other functions to achieve change conference members and other functions.

[0006] (3)多点视频会议的控制管理功能需求:在视频会议创建执行的基础上实现对会议及其各成员的管理,包括对某个会议成员的声音或者视频的开启/关闭,会议成员的踢出和添加等;功能设置,使得会议支持某个功能;会议的整体控制,包括会议的声音或者视频的开启/关闭等。 [0006] (3) multi-point video conferencing control and management functional requirements: manage the conference and its members on the basis of creation of the implementation of video conferencing, including turning on the sound or video from a meeting of members of the on / off meeting and other members of the kick and added; feature set, making the conference a support function; overall control of the meeting, including audio or video conference on / off and so on.

[0007] (4)多媒体处理功能需求:能够支持移动终端的编解码格式,如果移动终端之间不存在共同的编解码器,可以进行适当的转化。 [0007] (4) Display processing requirements: encoding format capable of supporting the mobile terminal, if there is no common codec between a mobile terminal, may be appropriately transformed.

[0008] 基于此,急需一种能够满足上述需求的多点视频汇聚系统。 [0008] Based on this, we are able to meet the need for a multi-point video concentrating system requirements described above.

发明内容 SUMMARY

[0009] 本发明所要解决的技术问题是:如何实现基于移动终端的视频汇聚控制管理。 [0009] The present invention solves the technical problem: how to control the video manager based on the convergence of the mobile terminal. 为此,本发明提出一种基于移动终端的多点视频汇聚系统,可充分地解决由于现有技术的限制和缺陷导致的一个或多个问题。 To this end, the present invention proposes a multi-point video system based on the convergence of the mobile terminal, can be sufficiently address one or more problems due to limitations and disadvantages of the prior art leads.

[0010] 本发明另外的优点、目的和特性,一部分将在下面的说明书中得到阐明,而另一部分对于本领域的普通技术人员通过对下面的说明的考察将是明显的或从本发明的实施中学到。 [0010] Further advantages, objects and features of the present invention, a portion will be set forth in the description which follows, and another portion to those of ordinary skill in the art by examination of the following description will be apparent or embodiment of the present invention from learned. 通过在文字的说明书和权利要求书及附图中特别地指出的结构可实现和获得本发明目的和优点。 Be realized and attained by the object and advantages of the present invention in the text of the specification and claims and drawings of the structure particularly pointed out.

[0011] 本发明提供了一种基于移动终端的多点视频汇聚系统,所述系统包括移动终端和视频汇聚服务器,所述视频汇聚服务器包括管理服务器、位置服务器、代理服务器和注册服务器;注册服务器,用于处理移动终端的注册请求;位置服务器,用于将移动终端位置与注册通过的SIP标识符相关联;代理服务器,用于代理某个终端代理移动终端向视频汇聚服务器发出呼叫请求;管理服务器,用于对多个移动终端的信令进行交互处理,并通过SIP协议栈服务完成终端之间的通信。 [0011] The present invention provides a multi-point video mobile terminal based aggregation system, the system comprising a mobile terminal and a video server aggregation, the aggregation server comprising a video management server, location server, proxy server, and the registration server; registration server , registration request process for the mobile terminal; location server, a SIP identifier associated with the mobile terminal location registration by; proxy server, a proxy for the mobile terminal agent terminal sends a call request to the video server aggregation; management server, a signaling interaction process for a plurality of mobile terminals, and the communication between the terminals through SIP service protocol stack.

[0012] 管理服务器包括视频处理单元,视频处理单元包括反可变长度编码模块、定址模块、可变长度编码模块以及综合模块;其中,反可变长度编码模块,用于为从多个移动终端接收到的视频信号进行反可变长度编码,实现对接收到的视频信号的解码;定址模块,用于为从反可变长度编码模块输出的视频信号确定宏块地址,其根据各移动终端发出的视频图像要被排列在最终视频图像中的哪个位置来确定宏块地址;可变长度编码模块,用于对从定址模块输出的视频信号进行可变长度编码,实现视频信号的压缩;综合模块,用于综合从可变长度编码模块输出的视频信号。 [0012] The management server includes a video processing unit, a video processing unit comprises a variable-length inverse encoding module, the module addressing, variable length encoding module and integration module; wherein the anti-variable-length encoding module for the plurality of mobile terminals from received video signal inverse variable length coding to achieve decoding a received video signal; addressing module, for determining a macro-block address for the video signal output from the inverse variable-length encoding module, which emits a mobile terminal in accordance with various video images to be arranged in the final position of the video image to determine which macroblock address; variable-length encoding module, for addressing the video signal output from the variable length encoding module, to realize a compressed video signal; integration module for synthesizing the video signal output from the variable length encoding module.

[0013] 所述移动终端包括视频图像采集模块、格式转换模块、分辨率转换模块、编码模块;其中,视频图像采集模块,用于通过摄像机采集视频图像;格式转换模块,用于将通过视频图像采集模块采集的视频图像的格式转换成用于数字视频信号处理的格式;分辨率转换模块,用于将从格式转换模块输出的视频信号的分辨率降低为预先设定的分辨率;编码模块,用于对从分辨率转换模块输出的视频信号进行编码。 [0013] The mobile terminal includes a video image acquisition module, the format converting module, a resolution conversion module, encoding module; wherein the video capture module configured to capture video images by a camera; format conversion module, a video image for the acquisition module converts the video image into a format for digital video signal processing format; resolution of the video signal resolution conversion means for converting the format from the module output decreases to a predetermined resolution; encoding module, a video signal output from the resolution conversion module is encoded.

[0014] 优选的,所述视频图像采集模块为摄像头。 [0014] Preferably, the image acquisition module video camera.

[0015] 优选的,所述管理服务器还包括会议管理模块,该会议管理模块用于管理视频会议。 [0015] Preferably, the management server further comprises a session management module, the session management module to manage the videoconference.

[0016] 优选的,所述会议管理模块包括预定会议子模块、会议查询子模块、会议修改子模块、会议删除子模块以及与会人员管理子模块。 [0016] Preferably, the session management module comprises session predetermined sub-module, a query sub-module session, modify the sub-module session, delete participants and session management sub-module sub-module.

[0017] 优选的,所述格式转换模块将RGB格式的VGA信号转换成YCbCr格式的VGA信号。 [0017] Preferably, the format conversion module converts the RGB format VGA signal into a YCbCr format VGA signal.

附图说明 BRIEF DESCRIPTION

[0018] 图1为根据本发明实施例的多点视频汇聚系统的结构示意图。 [0018] FIG. 1 is a schematic structure of a multi-point video convergence system according to an embodiment of the present invention.

[0019] 图2为根据本发明实施例的管理服务器的结构示意图。 [0019] FIG. 2 is a schematic diagram of a configuration management server embodiment of the present invention.

[0020] 图3为根据本发明实施例的移动终端的结构示意图。 [0020] FIG. 3 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.

具体实施方式 Detailed ways

[0021] 下面参照附图对本发明进行更全面的描述,其中说明本发明的示例性实施例。 [0021] The following more fully described with reference to the accompanying drawings of the present invention, wherein the exemplary embodiments described exemplary embodiment of the present invention.

[0022] 如图1所示,基于移动终端的多点视频汇聚系统主要由移动终端和视频汇聚服务器两部分构成。 [0022] As shown in FIG. 1, the two parts constituting the multi-point video-based aggregation system, the mobile terminal mainly by the mobile terminal and the video server aggregation. 移动终端包括Π界面,并通过SIP协议完成会议服务器的信令传输与通信。 The mobile terminal comprises a Π interface, and signaling completion of the communication session via the SIP server. 移动终端还具备音、视频编解码的功能,能够对来自服务器的媒体流进行处理。 The mobile terminal further includes audio, video encoding and decoding functions, capable of processing a media stream from the server.

[0023] 视频汇聚服务器包括管理服务器、位置服务器、代理服务器和注册服务器。 [0023] video convergence server includes a management server, a location server, proxy server and the registration server. 视频汇聚系统能够获取移动终端用户的信息,首先要确定该用户身份是否合法,即验证该用户是否为系统注册用户,同时获取该用户终端位置信息,这样一套功能则需要注册服务器、位置服务器和代理服务器来集中完成,其中注册服务器专门负责终端的注册请求,位置服务器将终端位置与注册通过的SIP标识符绑定到一起,代理服务器则作为一个中间实体,对名字进行解析,并代理某个终端向视频汇聚服务器发出呼叫请求,类似网络中的路由功能。 Concentrating system can acquire video information of the mobile terminal user, determining that the first user identity is legal to verify that the user is registered as a system user, while the user terminal acquires the position information, so that a function is required to register the server, location server and proxy server to focus on the completion, of which the registration server dedicated to a registration request of the terminal, the terminal position location server will bind and registered by the SIP identifier together, the proxy server is used as an intermediate entity, to name parsing, and an agent terminal sends a call request to the video server aggregation, similar to the routing network. 管理服务器是多点视频汇聚系统中的核心设备,它主要负责对多个终端的信令进行交互处理,并通过SIP协议栈服务完成终端之间的通信关系。 Server management system is a multi-point video convergence of core equipment, which is mainly responsible for signaling a plurality of terminals to interact treatment, and communicate the relationship between the terminal via SIP protocol stack service.

[0024] 管理服务器包括会议管理单元和视频处理单元。 [0024] The management server includes a session management unit and the video processing unit. 会议管理单元,用于管理已开会议、当前会议和未来会议,包括五个模块:预定会议模块、会议查询模块、会议修改模块、会议删除模块以及与会人员管理模块。 Conference management unit for managing the meeting has been opened, the current meeting and future meetings, including five modules: Module scheduled meeting, the meeting query module, modified module meeting, conference participants and delete module management module.

[0025] 预定会议模块,用于增加一个预订会议,提供该会议的具体信息,内容包括:会议名称、会议拥有者、会议编号、主持人密码、主持人能够发言还是记录、用户密码、用户是能够发言或者旁听、会议开始时间、会议持续时间、会议重新开始时间、最大参与人数、邀请哪些人参加会议等等。 [0025] scheduled meeting module for adding a booking meetings to provide specific information about the conference, including: meeting name, meeting the owner, conference ID, password host, the host can speak or record, the user's password, the user is be able to speak or attend, the meeting start time, duration of the meeting, the meeting re-start time, the maximum number of participants, who invited to the meeting, and so on.

[0026] 会议查询模块,会议查询模块又包含了三个子模块,分别为:已开会议查询模块、当前会议查询模块和未来会议查询模块,分别用于查询已开会议、当前正在进行的会议以及未来会议,并可显示会议的具体信息,内容包括:会议编号、会议名称、会议开始时间、会议结束时间、最多可参加会议的人数、实际参加会议的人数等等。 [0026] meeting query module, meeting the query module also contains three sub-modules, namely: the meeting has been opened query module, meeting the current and future meetings query module queries modules, inquiry has been opened for the meeting, as well as ongoing meeting future meetings, and can display detailed information about the meeting, including: session number, the name, the meeting start time, end time number of people meeting up to attend the meeting, and so the actual number of people attending the meeting. ,

[0027] 会议修改模块,用于修改任何正在进行中的会议和还没有进行中的会议。 [0027] The session modification module configured to modify any ongoing session and the session has not been carried out. 对于正在进行中的会议,可以修改下列信息:会议结束时间、最多可参加会议的人数。 For the ongoing meeting, you can modify the following information: End time of the meeting, a maximum number of people attending the meeting. 对于还没有开始的会议,可以修改其任何信息,包括:会议名称、会议拥有者、会议编号、主持人密码、主持人能够发言还是记录、用户密码、用户是能够发言或者旁听、会议开始时间、会议持续时间、会议重新开始时间、最大参与人数、邀请哪些人参加会议等等。 For the meeting has not yet started, you can modify any of its information, including: name of conference, meeting owner, conference ID, password host, the host can speak or record, the user's password, the user is able to speak or attend, the meeting start time, the duration of the meeting, the meeting re-start time, the maximum number of participants, who invited to the meeting, and so on.

[0028] 会议删除模块,用于删除会议,会议可以是己经开过的会议,也可以是未来的会议,但不能删除正在参加的会议,管理员只能够将会议终结,然后再另行删除。 [0028] meeting deleting module for deleting the meeting, the meeting may be already opened the meeting, the meeting may be the future, but can not be deleted is participating in the conference, the administrator will only be able to end the meeting and then delete them separately.

[0029] 与会人员管理模块,用于管理正在召开的某个会议的与会人员,包括将与会人员静音、解除静音、将其从会议中踢出、允许新成员加入会议等等。 [0029] Participants management module, the participants for a management meeting is being held, including the participants mute, unmute, kick them out from the meeting, allowing new members to join the conference, and so on.

[0030] 图2示出了根据本发明的管理服务器的视频处理单元的框图。 [0030] FIG. 2 shows a block diagram of a video processing unit of a management server according to the present invention. 视频处理单元包括反可变长度编码模块、定址模块、可变长度编码模块以及综合模块。 The video processing unit includes a variable-length inverse encoding module, the module is addressed, and the variable length encoding module integration module. 其中,反可变长度编码模块,用于为从各个移动终端接收到的视频信号进行反可变长度编码,从而实现对接收到的视频信号的解码;定址模块,用于为从反可变长度编码模块输出的视频信号确定宏块地址,其根据各移动终端发出的图像要被排列在最终视频图像中的哪个位置来确定宏块地址,即根据最终图像内的排列区域确定从反可变长度编码模块输出的视频信号的宏块地址;可变长度编码模块,用于对从定址模块输出的视频信号进行可变长度编码,从而实现视频信号的压缩;综合模块,用于综合从可变长度编码模块输出的视频信号。 Wherein the anti-variable length coding means for inverse variable length code from each mobile terminal to receive the video signal, thereby achieving the decoding a received video signal; addressing means for inverse variable length of from output video signal coding module determines macroblock address, which emits an image according to each of the mobile terminals which are arranged in the final position of the video image determined macroblock address, i.e. determining the arrangement according to the inverse variable-length region in the final image macroblock address of the video signal output from the coding module; variable-length encoding module, for addressing the video signal output from the variable length coding module, thereby realizing a compressed video signal; integration module for synthesizing from the variable length video signal output from the encoding module.

[0031] 图3示出了根据本发明的一个移动终端的框图。 [0031] FIG. 3 shows a block diagram of a mobile terminal according to the present invention. 该移动终端包括视频图像采集模块、格式转换模块、分辨率转换模块、编码模块。 The mobile terminal includes a video image acquisition module, the format converting module, a resolution conversion module, encoding module. 其中,视频图像采集模块,用于通过摄像机采集视频图像;格式转换模块,用于将通过视频图像采集模块采集的视频图像的格式转换成用于数字视频信号处理的格式,例如,通过摄像机接收到的图像为RGB格式的VGA信号,格式转换模块将该RGB格式的VGA信号转换成YCbCr格式的VGA信号;分辨率转换模块,用于将从格式转换模块输出的视频信号的分辨率降低为预先设定的分辨率;编码模块,用于对从分辨率转换模块输出的视频信号进行编码。 Wherein the video capture module configured to capture video images through the camera; format conversion module, for converting the video format of the video image by the image acquisition module into a digital format for processing the video signal, e.g., received through the camera image RGB format VGA signal, the format conversion module converts the RGB format VGA signal into a YCbCr format VGA signal; resolution conversion module, the resolution of a video signal outputted from the format converting module is preset reduction given resolution; encoding means for a video signal output from the resolution conversion module is encoded.

[0032] 以上内容仅为本发明的较佳实施例,对于本领域的普通技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本发明的限制。 [0032] The above is only preferred embodiments of the present invention, those of ordinary skill in the art, according to the ideas of the present invention, may make modifications at specific embodiments and application scope, the present specification shall not be as limiting the present invention.

Claims (5)

1.一种基于移动终端的多点视频汇聚系统,所述多点视频汇聚系统包括移动终端和视频汇聚服务器,其特征在于: 所述视频汇聚服务器包括管理服务器、位置服务器、代理服务器和注册服务器;注册服务器,用于处理移动终端的注册请求;位置服务器,用于将移动终端位置与注册通过的SIP标识符相关联;代理服务器,用于代理某个终端代理移动终端向视频汇聚服务器发出呼叫请求;管理服务器,用于对多个移动终端的信令进行交互处理,并通过SIP协议栈服务完成终端之间的通信; 管理服务器包括视频处理单元,视频处理单元包括反可变长度编码模块、定址模块、可变长度编码模块以及综合模块;其中,反可变长度编码模块,用于为从多个移动终端接收到的视频信号进行反可变长度编码,实现对接收到的视频信号的解码;定址模块,用于为从反可变 A multipoint video based aggregation system of the mobile terminal, the multipoint video concentrating system includes a mobile terminal and a video server aggregation, wherein: said management server comprises a video server aggregation location server, proxy servers and registrars ; registration server, the registration request process for the mobile terminal; the SIP identifier associated with the location server for location registration by the mobile terminal; a proxy server, a proxy for the mobile terminal agent terminal places a call to a video server aggregation request; a management server, a plurality of the signaling interaction process of the mobile terminal, and the communication between the terminals through SIP service protocol stack; management server includes a video processing unit, a video processing unit comprises a variable-length inverse encoding module, addressing module, the variable-length encoding module and integration module; wherein the anti-variable length coding means for inverse variable length code from a plurality of mobile terminals to receive the video signal for video decoding of the received signal ; addressing module for inverse variable from 度编码模块输出的视频信号确定宏块地址,其根据各移动终端发出的视频图像要被排列在最终视频图像中的哪个位置来确定宏块地址;可变长度编码模块,用于对从定址模块输出的视频信号进行可变长度编码,实现视频信号的压缩;综合模块,用于综合从可变长度编码模块输出的视频信号; 所述移动终端包括视频图像采集模块、格式转换模块、分辨率转换模块、编码模块;其中,视频图像采集模块,用于通过摄像机采集视频图像;格式转换模块,用于将通过视频图像采集模块采集的视频图像的格式转换成用于数字视频信号处理的格式;分辨率转换模块,用于将从格式转换模块输出的视频信号的分辨率降低为预先设定的分辨率;编码模块,用于对从分辨率转换模块输出的视频信号进行编码。 A video signal output from the coding block is determined macroblock address, which is to be arranged at which position in the final video image based on the video image sent to each mobile terminal is determined macroblock address; variable-length encoding module, for addressing the module from video signal output from the variable length coding to achieve compression video signal; video signal integration module for synthesizing an output from the variable length encoding module; said mobile terminal includes a video image acquisition module, the format converting module, resolution conversion module, encoding module; wherein the video capture module configured to capture video images through the camera; format conversion module, for converting the video format of the video image by the image acquisition module into a format for digital video signal processing; resolution rate conversion means for resolution of the video signal outputted from the format converting module is reduced to a preset resolution; encoding module, configured to the video signal output from the resolution conversion module encoding.
2.根据权利要求1所述的多点视频汇聚系统,其特征在于,所述视频图像采集模块为摄像头。 2. Multipoint Video concentrating system according to claim 1, characterized in that said video camera image acquisition module.
3.根据权利要求1所述的多点视频汇聚系统,其特征在于,所述管理服务器还包括会议管理单元,该会议管理单元用于管理视频会议。 The multi-point video concentrating system according to claim 1, wherein said management server further comprises a session management unit, the conference management unit for managing a video conference.
4.根据权利要求3所述的多点视频汇聚系统,其特征在于,所述会议管理单元包括预定会议模块、会议查询模块、会议修改模块、会议删除模块以及与会人员管理模块。 4. The multi-point video concentrating system according to claim 3, characterized in that the conference management unit includes a predetermined conference module, the query module session, session modification module, a deletion module, and session management module participants.
5.根据权利要求1所述的多点视频汇聚系统,其特征在于,所述格式转换模块将RGB格式的VGA信号转换成YCbCr格式的VGA信号。 The multipoint video concentrating system according to claim 1, wherein said format conversion module converts the RGB format VGA signal into a YCbCr format VGA signal.
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