CN101729857A - Method for accessing video service and video playing system - Google Patents

Method for accessing video service and video playing system Download PDF

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Publication number
CN101729857A
CN101729857A CN 200910221587 CN200910221587A CN101729857A CN 101729857 A CN101729857 A CN 101729857A CN 200910221587 CN200910221587 CN 200910221587 CN 200910221587 A CN200910221587 A CN 200910221587A CN 101729857 A CN101729857 A CN 101729857A
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CN
China
Prior art keywords
authentication code
url
authentication
video
rtsp
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CN 200910221587
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Chinese (zh)
Inventor
徐火顺
朱兴昌
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中兴通讯股份有限公司
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Priority to CN 200910221587 priority Critical patent/CN101729857A/en
Publication of CN101729857A publication Critical patent/CN101729857A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements or protocols for real-time communications
    • H04L65/10Signalling, control or architecture
    • H04L65/1066Session control
    • H04L65/1069Setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements or protocols for real-time communications
    • H04L65/40Services or applications
    • H04L65/4069Services related to one way streaming
    • H04L65/4084Content on demand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements or protocols for real-time communications
    • H04L65/60Media handling, encoding, streaming or conversion
    • H04L65/608Streaming protocols, e.g. RTP or RTCP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643Communication protocols
    • H04N21/6437Real-time Transport Protocol [RTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65Transmission of management data between client and server
    • H04N21/658Transmission by the client directed to the server
    • H04N21/6581Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application

Abstract

The invention provides a method for accessing video service and a video playing system. The method comprises the following steps of: generating a URL (Uniform Resource Locator) played by an RTSP (Real Time Streaming Protocol) when a video service request sent by a playing terminal is received, appending an authentication code to the URL, setting the authentication code as a predetermined value and sending the URL to the playing terminal; judging whether the predetermined value of the authentication code appended to the request message is valid when a request message of establishing an RTSP link sent by the playing terminal is received, deleting the authentication code or setting the authentication code as invalid if the predetermined value is valid, and establishing the RTSP link with the playing terminal. The invention can prevent the illegal user against stealing the link and ensure the security and reliability of the video playing.

Description

一种接入视频服务的方法及视频播放系统 Method of accessing video services and video playback system

技术领域 FIELD

[0001] 本发明涉及交互式网络电视系统中防止用户非法盗链的一种接入视频服务的方 [0001] The present invention relates to an interactive television system to prevent network users from unauthorized access to a video service Daolian square

法及视频播放系统。 Law and video playback systems.

[0002] 随着视频传媒技术的发展,例如交互式网络电视系统(也称IPTV系统)技术的深入开展,使用用户数的增加,对系统的可靠性和安全性提出了更高的要求。 [0002] With the development of video media technology, such as interactive network television system (also known as IPTV system) to carry out in-depth technology, the use of number of users increases, the reliability and security of the system put forward higher requirements. IPTV作为一种视 As a visual IPTV

频传媒服务业务,不仅提供了丰富多彩的电子节目导航页面,同时还提供信息、游戏、卡拉OK等多种增值服务。 Frequency of media services business, not only provides a variety of electronic program guide page, while also providing information, games, karaoke OK other value-added services. IPTV主要指通过宽带互联网为用户提供视频服务,可以提供如下业务 IPTV refers primarily to provide video services to customers via broadband Internet, we can provide the following services

功能:直播、时移电视、点播、轮播、其他增值业务等。 Function: live, time-shifted TV, on-demand, carousel, other value-added services.

[0003] 当用户进行视频点播服务时,首先通过电子节目单(Electronic ProgramGuide, 简称EPG)选择要观看的视频内容(直播或点播),获取服务的RTSP(Real Time Streaming Protocol ,实时流传输协议)的播放URL(UniformResource Locator,统一资源定位符),机顶盒或视频播放终端通过该URL和服务的媒体服务器建立RTSP链路进行视频服务。 [0003] When the user makes a video-on-demand service, first select video content (live or on-demand) to be viewed through the electronic program guide (Electronic ProgramGuide, referred to as EPG), access to services RTSP (Real Time Streaming Protocol, Real Time Streaming Protocol) play URL (UniformResource locator, uniform resource locator), set-top box or video playback terminal establishes a link video services through RTSP URL and the service of the media server. 由于IPTV的业务是基于互联网的业务,正常的用户通过点击EPG模块的展示页面,可以获取视频服务的RTSP播放的URL。 Because IPTV business is Internet-based business, a normal user by clicking on the EPG display module page, you can obtain URL RTSP video services play. 与此同时,一些非法用户也可以通过抓包、侦听等各种手段,获取该用户得到的URL,并使用该URL非法接入MDP (Media Distribute Patform,媒体分发平台)系统,接收流媒体提供的视频服务,这种类似的行为,我们称之为盗链。 At the same time, some illegal users can capture through various means, such as listening, get the URL for the user to obtain and use the URL unauthorized access MDP (Media Distribute Patform, media distribution platform) system, receiving streaming media provider video services, such similar behavior, we call hotlinking. 由于此种盗链的行为会导致合法用户和运营商的利益受到损害,所以如何防止盗链的技术,成为视频媒体播放业界(特别是IPTV业界)面临的一个新的课题。 Because of this hotlinking behavior causes the legitimate interests of users and operators of the damage, so how to prevent hotlinking technology has become a new topic of video media player industry (especially the IPTV industry's) face.

[0004] 本发明要解决的技术问题是提供一种接入视频服务的方法及视频播放系统,以防止非法用户盗链,保证视频播放的安全性和可靠性。 [0004] The present invention is to solve the technical problem of providing a video service access method and video playback system to prevent unauthorized users Daolian, to ensure the safety and reliability of video playback.

[0005] 为了解决上述技术问题,本发明提供了一种接入视频服务的方法,包括: [0006] 当接收到播放终端发来的视频服务请求时,生成实时流传输协议(RTSP)播放的统一资源定位符(URL),在所述URL中附加一个认证码,并将所述认证码设为预定值,然后将所述URL发送给播放终端; [0005] To solve the above problems, the present invention provides a method of accessing video services, comprising: [0006] When receiving the playback video sent by the terminal service request, generating a Real Time Streaming Protocol (RTSP) play uniform resource locator (URL), an additional authentication code in the URL, and the authentication code is set to a predetermined value, and then transmits the URL to the player terminal;

[0007] 当接收到播放终端发来的建立RTSP链路的请求消息时,判断所述请求消息中附带的认证码的预定值是否有效,若有效,则将所述认证码删除或置成无效,与播放终端建立RTSP链路。 [0007] Upon receiving the RTSP request message to establish a link sent by the player terminal, determining whether the request comes predetermined value message authentication code is valid, if valid, then the authentication code is set as invalid or delete establishing RTSP link with the player terminal.

[0008] 进一步地,上述方法具有下面特点:在所述生成URL之前还包括:对所述视频服务请求进行鉴权。 [0008] Further, the above method has the following features: prior to the generating URL further comprising: the video service request for authentication.

[0009] 进一步地,上述方法具有下面特点:在所述生成URL之前还包括:以特定规则生成所述认证码。 [0009] Further, the above method has the following features: prior to the URL generating further comprises: generating the authentication codes to specific rules.

[0010] 进一步地,上述方法具有下面特点:在将所述URL发送给播放终端之前,还包括: [0010] Further, the above method has the following features: prior to sending the URL to the player terminal, further comprising:

背景技术 Background technique

发明内容 SUMMARY

3保存所述认证码的信息。 3 information stored in the authentication code.

[0011 ] 本发明还提供一种视频播放系统,包括:业务管理服务器和流媒体服务器,其中, [0012] 所述业务管理服务器,用于当接收到播放终端发来的视频服务请求时,生成实时 [0011] The present invention also provides a video playback system, comprising: a service management server and streaming server, wherein [0012] the service management server, when receiving the playback video sent by the terminal service request, generating real time

流传输协议(RTSP)播放的统一资源定位符(URL),在所述URL中附加一个认证码,并将所述认证码设为预定值,然后将所述URL发送给播放终端;用于接收到流媒体服务器发来的认证码时,判断所述认证码的预定值是否有效,若有效,则将所述认证码删除或置成无效,并向流媒体服务器发送认证成功消息; Streaming Protocol (RTSP) Uniform Resource Locator (URL) to play, in the additional authentication code a URL, and the authentication code is set to a predetermined value, and then transmits the URL to the player terminal; means for receiving sent to the streaming media server to the authentication code, the authentication code is determined a predetermined value is valid, if valid, then the authentication code is set as invalid or delete, and send an authentication success message to the streaming media server;

[0013] 所述流媒体服务器,用于接收到播放终端发来的建立RTSP链路的请求消息时,将所述请求消息中附带的认证码发送给业务管理服务器;用于接收到所述业务管理服务器发来的认证成功消息后与播放终端建立RTSP链路。 [0013] The streaming media server, upon receiving a request for playing message sent by the terminal to establish RTSP link, requesting the authentication code included in the message sent to the service management server; means for receiving the service RTSP link established with the player terminal after the administration sent from the server authentication success message.

[0014] 进一步地,上述视频播放系统具有下面特点:所述业务管理服务器包括电子节目单模块和应用平台模块,其中, [0014] Further, the video playback system described above has the following characteristics: the service management server comprising electronic program modules and application platform module, wherein

[0015] 所述电子节目单模块,用于当接收到视频服务请求时向应用平台模块发送一信号;用于生成所述URL,在所述URL中附加所述应用平台模块发来的认证码后将所述URL发送给播放终端; [0015] The electronic program module, for transmitting video service upon receiving the request to an application platform module a signal; means for generating the URL, the URL of the application platform of the additional authentication code sent by the module the URL will be sent to the player terminal;

[0016] 所述应用平台模块,用于收到所述信号后生成一认证码,将所述认证码设为预定值后发送给电子节目单模块;用于当接收到所述流媒体服务器发来的认证码时,判断所述认证码的预定值是否有效,若有效,则将所述认证码删除或置成无效,然后向所述流媒体服务器返回认证成功消息。 [0016] The application platform module for generating a signal after receiving the authentication code, the authentication code is set to the electronic program guide module after a predetermined value; for, when receiving the streaming server sends media when the authentication code to the predetermined value to determine whether the authentication code is valid, if valid, then the authentication code is set as invalid or deleted, and then returns an authentication success message to the streaming server.

[001 7] 进一步地,上述视频播放系统具有下面特点: [0017] Further, the video playback system described above has the following characteristics:

[0018] 所述电子节目单模块,还用于当接收到视频服务请求时向应用平台模块发送鉴权请求, [0018] The electronic program module is further configured to, when receiving the transmission request to the application authentication module platform video service request,

[0019] 所述应用平台模块,还用于收到所述鉴权请求后,对所述视频服务请求进行鉴权, 若鉴权成功,则生成一认证码。 [0019] After the application platform module further for receiving the authentication request, the video service request for authentication, if the authentication succeeds, generating an authentication code.

[0020] 进一步地,上述视频播放系统具有下面特点: [0020] Further, the video playback system described above has the following characteristics:

[0021] 所述应用平台模块,还用于将所述认证码设为预定值后保存所述认证码的信息。 [0021] The application platform module is further configured to store the information after the authentication code authentication code is set to a predetermined value. [0022] 综上,本发明提供的接入视频服务的方法及视频播放系统能够防止非法用户盗链,保证视频播放的安全性和可靠性;有效利用了原有接入视频服务流程的鉴权机制,使得产生RTSP的认证码的过程不会为系统带来新的负担;充分发挥各个EPG的服务能力,保证业务管理系统具有较好的持续服务能力;大大提高了交互式网络电视系统和媒体播放链路的安全性,保证了用户和运营商的合法利益。 The [0022] Fully, video service access method and system of the present invention provides video playback can prevent unauthorized users Daolian, to ensure the safety and reliability of video playback; effective use of existing video service access authentication procedure mechanism, making the process of generating RTSP authentication code does not bring a new burden for the system; full service capabilities of each of the EPG, service management system to ensure continuous service has good ability; greatly improve the interactive network television system and the media play link security to ensure that the legitimate interests of users and operators.

附图说明 BRIEF DESCRIPTION

[0023] 图1为本发明实施例的视频播放系统的示意图; [0023] FIG. 1 is a schematic diagram of a video playback system according to an embodiment of the present invention;

[0024] 图2为本发明实施例的接入视频服务的方法的流程图; [0024] FIG 2 is a flowchart of a method of access to video service embodiment of the present invention;

[0025] 图3为本发明实施例的接入视频服务的方法的应用示例的流程图。 A flowchart of a method of Application Example [0025] FIG. 3 embodiment of the video service access embodiment of the present invention.

具体实施方式 Detailed ways

[0026] 本发明主要的解决方案是,当非法用户通过获取的节目的RTSP的播放URL接入视频播放系统中时,业务管理服务器能判断出该用户的接入是非法接入还是合法接入,对于非法接入则拒绝提供服务,从而实现杜绝非法用户盗链的可能。 [0026] The main solution of the invention is, when the illegal access to the user by playing a video playback system acquired URL RTSP program, the service management server can determine the user's access is legal or illegal access to the access for illegal refusal to provide access to the service, in order to achieve eliminate the possibility of unauthorized users hotlinking. 因此,本发明的关键是:为 Thus, the key to the present invention is:

了实现防非法盗链,必须保证每次服务的RTSP播放的URL只能提供一次服务。 The implementation of anti-illegal hotlinking must ensure that each service RTSP URL can only be played once to provide services.

[0027] 下面结合附图及实施例对本发明的技术方案进行更详细的说明。 [0027] The technical solution of the present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments.

[0028] 图1为本发明实施例的视频播放系统的示意图,如图1所示,本实施例的视频播放 [0028] FIG. 1 is a schematic diagram of a video playback system according to an embodiment of the present invention, shown in Figure 1, the present embodiment of a video playback

系统包括:业务管理服务器和流媒体服务器。 The system includes: a service management server and streaming media server.

[0029] 当业务管理服务器接收到视频服务请求时,业务管理服务器生成实时流传输协议(RTSP)播放的URL,其中URL附加一个认证码,并将认证码的状态设为未使用,然后将该附带有认证码的URL发送给播放终端。 [0029] When the service management server receives a video service request, the service management server generating a Real Time Streaming Protocol (RTSP) play URL, wherein a URL additional authentication code, the authentication code and the status is set to not used, then the comes with a URL authentication code is sent to the player terminal.

[0030] 本实施例中,业务管理服务器可以包括EPG模块和应用平台模块,当EPG模块接收到播放终端发来的视频服务请求时,向应用平台模块发起鉴权请求应用平台模块接收到该鉴权请求后,对该视频服务请求进行鉴权,判断用户是否订购了该节目,若鉴权通过,则生成一个认证码,该认证码按照一定的规则生成,以保证不会出现重复的认证码。 [0030] In this embodiment, the service management server can include EPG module and application platform module, when the terminal displays the EPG module receives a service request sent by video, internet application to initiate an authentication request from the application module receives the internet discriminator module right after the request, the video service request for authentication to determine whether the user has ordered the program, if the authentication is passed, then generates an authentication code, the authentication code generated in accordance with certain rules to ensure no duplication of authentication code . 若鉴权没通过,则向EPG模块返回一鉴权失败消息,以通知用户。 If the authentication is not passed, the EPG module returns to a authentication failure message to notify the user. 当认证码生成之后,应用平台模块将认证码的状态设为预定值,例如未使用。 When the authentication code generation, the state of the application platform module authentication code is set to a predetermined value, for example, it is not used. 进一步地,应用平台模块保存该认证码的相关信息。 Further, application platform module stores information about the authentication code. 然后应用平台模块向EPG模块返回鉴权通过消息,携带所生成的认证码。 Then the authentication application platform module returns to the message by EPG module, carrying the generated authentication code. EPG模块收到鉴权通过消息后生成RTSP播放的URL,然后将该URL及认证码发送给播放终端。 EPG module receives the authentication message generated by the playing of the RTSP URL, the URL is then sent to the playing terminal and the authentication code. [0031] 当流媒体服务器接收到播放终端发来的建立RTSP链路的请求消息时,解析出所述请求消息中附带的认证码,将所述认证码发送给业务管理服务器,具体地,将认证码发送给应用平台模块。 [0031] When the streaming media server receives a request to establish RTSP message sent by the terminal link during playback, parsing the request message authentication code included, and transmits the authentication code to the service management server, specifically, authentication code to the application platform module.

[0032] 业务管理服务器(即,应用平台模块)接收到流媒体服务器发来的认证码时,对所述认证码的预定值进行校验,若认证码有效,则向流媒体服务器返回认证成功消息,并将该认证码删除或置成无效;流媒体服务器接收到业务管理服务器发来的认证成功消息后与播放终端建立RTSP链路。 When [0032] the service management server (i.e., application platform module) receives the streaming media sent from the server authentication code, a predetermined value of said authentication code verifies, if the authentication code is valid, the streaming server returns the authentication success message, and the authentication code set as invalid or deleted; RTSP establish a link with the player terminal after streaming media server receives the service management server to the authentication success message sent.

[0033] 这样当媒体播放链路被盗链时,非法用户获取的RTSP播放的URL中附带的认证码 [0033] In this way when the media player link is hotlinking, URL RTSP play illegally obtained user authentication code included with

已被置成无效或者已被删除,则业务管理服务器对该认证码的认证不通过,并向流媒体服 Has been set as invalid or has been deleted, the service management server for the authentication code authentication is not passed, and streaming media server

务器返回认证失败消息;流媒体服务器接收到业务管理服务器发来的认证失败消息,则不 Service returns an authentication failure message; streaming media server receives the service management server to send an authentication failure message, not

与播放终端建立RTSP链路,因而防止非法用户盗链,保证视频播放的安全性和可靠性。 RTSP link established with the playing terminal, thus preventing unauthorized users hotlinking to ensure the safety and reliability of video playback.

[0034] 本实施例的视频播放系统可以是IPTV系统、也可以是互联星空系统等。 [0034] The video playback system of the present embodiment may be an IPTV system, or may be ChinaVnet system.

[0035] 图2为本发明实施例的接入视频服务的方法的流程图,如图2所示,本实施例的方 Flowchart of a method [0035] The embodiment of FIG. 2 embodiment of the video service access of the present invention, shown in Figure 2, the present embodiment is square

法包括以下步骤: Comprising the steps of:

[0036] 101 、机顶盒或其它播放终端向视频播放系统(例如IPTV系统)发起进行视频服务请求; [0036] 101, set-top box or other video player to the player terminal initiating system (e.g. IPTV system) for video service request;

[0037] 例如,用户通过业务管理服务器的电子节目单(EPG)模块进行视频服务(包括直播点播等)。 [0037] For example, a user video services (TV on demand) service management server through the electronic program guide (EPG) module.

[0038] 102、视频播放系统生成RTSP播放的URL,在URL中附加一个令牌(Token,也可称作认证码); [0038] 102, the system generates a video player to play the RTSP URL, the URL attached to a token (the Token, may also be referred to as authentication code);

[0039] 业务管理服务器按照一定的规则生成一个认证码,保证不会出现重复的认证码, 当认证码生成之后,将其状态设为未使用。 [0039] The service management server generates an authentication code according to certain rules, to ensure that no duplication of the authentication code, when the authentication code generation, it is set to the unused state.

5[0040] 103 、视频播放系统保存该认证码的记录信息。 5 [0040] 103, recorded video playback system to save the information of the authentication code.

[0041 ] 104、机顶盒或其它播放终端发起和视频播放系统建立RTSP链路; [0041] 104, set-top box or other video playback and playback system terminal initiates the establishment of RTSP link;

[0042] 流媒体服务器接收到播放终端发来的建立RTSP链路的请求消息时,流媒体服务 When [0042] The streaming media server receives the RTSP request message to establish a link sent by the player terminal, the streaming media service

器向业务管理服务器触发服务开始的请求,在请求信息中附带从播放URL解析出的认证码。 Triggers the start of the service request to the service management server, with parsed from the player URL in the request message authentication code.

[0043] 105、视频播放系统判断认证码是否存在和有效; [0043] 105, a video playback system and determines whether there is a valid authentication code;

[0044] 业务管理服务器收到流媒体服务器发出的服务开始请求时,判断认证码是否存在 [0044] When the service management server receives the streaming media server sends the service start request, determines whether there is an authentication code

和有效,如果认证码存在且有效,则转入步骤106 ;否则转入步骤108。 Effective and, if the authentication code exists and is valid, the process proceeds to step 106; otherwise, proceeds to step 108.

[0045] 106、视频播放系统将该次服务对应的认证码置成无效或者删除; [0045] 106, the secondary video playback system corresponding to the service authentication code is set as invalid or deleted;

[0046] 业务管理服务器向流媒体服务器返回认证成功消息,并同时将该次服务对应的认 [0046] service management server returns an authentication success message to the streaming media server, and at the same time serving the corresponding recognition

证码置成无效或者删除。 Card code set as invalid or deleted.

[0047] 107、视频播放系统和播放终端建立RTSP链路; [0047] 107, the terminal displays the video playback system and the establishment of RTSP link;

[0048] 流媒体服务器收到业务管理服务器的认证成功消息后,和播放终端建立RTSP链 After the [0048] streaming media server receives an authentication success message service management server, and playing terminal establishes RTSP chain

路并提供视频服务。 Road and provide video services.

[0049] 108、拒绝提供视频服务; [0049] 108, refuses to provide video services;

[0050] 当用户通过抓包等手段非法获取RTSP播放的URL之后,随即向流媒体服务器发起的媒体播放请求,由于非法获取RTSP播放的URL中对应的认证码已经被合法用户使用,该认证码的状态已被置成无效或已被删除,因此业务管理服务器给流媒体服务器返回认证失败信息。 [0050] When the user illegally obtaining URL RTSP PLAY capture by other means, then the streaming server to initiate media play request due to illegal access to the URL in the RTSP PLAY corresponding to the legitimate user authentication code has been used, the authentication code the state has been set as invalid or has been removed, so the service management server to the streaming media server returns an authentication failure message.

[0051] 流媒体服务器收到业务管理服务器返回的认证失败信息后,拒绝为该用户提供服务,从而有效防止了盗链情况的发生。 After the [0051] streaming media server receives the authentication failure information service management server returns, refused to provide services to the user, so as to effectively prevent the occurrence of hotlinking situation.

[0052] 图3为根据本发明实施例的接入视频服务的方法的应用示例的流程图,如图3所示,具体步骤如下: [0052] FIG. 3 is a flow chart, shown in Figure 3, the specific steps of the method according to the application example of the video service access of the present embodiment of the invention:

[0053] 201 :机顶盒或其它播放终端向EPG模块发起VOD (Video-On-Demand,视频点播) 或直播服务请求; [0053] 201: the playing terminal initiates set-top box or other VOD (Video-On-Demand, Video on Demand) module or the EPG video service request;

[0054] 202 :EPG模块向后台APP(即plication platform,应用平台)模块发起鉴权请求, 业务管理服务器包括EPG模块和APP模块; [0054] 202: EPG module to the background APP (i.e. plication platform, application platform) module initiates an authentication request, the service management module includes an EPG server and APP module;

[0055] 203 :APP模块对用户进行鉴权,判断用户是否订购了该节目,如果该用户可以点播该节目,为该次服务生成一个令牌(Token),并在业务管理服务器中保存该令牌Token信息,将该令牌的状态设为未使用,然后APP模块将令牌(Token)信息返回给EPG模块; [0056] 204 :EPG模块生成此次服务的RTSP播放的URL, URL中附带本次服务生成的一个令牌(Token),将该带有令牌的URL发送给播放终端。 [0055] 203: APP module to authenticate the user, it determines whether the user has ordered the program, if the user may demand the program, generates a token (the Token) for the current service, and stored in the service order management server token card information, the state of the token set is not used, then the APP module token (token) information back to the EPG module; [0056] 204: EPG service module generates the RTSP URL to play, accompanying the URL this service generates a token (token), with the URL token transmitted to the player terminal.

[0057] 205 :播放终端通过RTSP播放的URL和SS (Streaming Server,流媒体服务器)建立连接,请求视频服务。 [0057] 205: the playing terminal through a RTSP PLAY URL and SS (Streaming Server, streaming media server) to establish a connection, requests a video service.

[0058] 206 :SS提取出URL中的令牌信息,向APP模块发出的服务开始请求,进行合法性校验。 [0058] 206: SS the extracted URL information in the token, the service sent to APP module start request, checking validity.

[0059] 207 :APP模块收到SS发出的服务开始请求时,判断令牌信息是否存在和有效,如果令牌是有效的,则执行步骤208,否则执行步骤209。 [0059] 207: APP module receives a service start request issued SS, and determines whether there is a valid token, if the token is valid, step 208 is executed, otherwise, step 209 is executed.

[0060] 208 :APP模块向SS返回校验成功消息,并同时将该次服务对应的令牌(Token)置成无效或者删除该令牌。 [0060] 208: APP module returns a verification success message to the SS, and at the same time the corresponding service token (the Token) set as invalid or delete the token.

[0061] 209 :SS开始给用户提供视频服务。 [0061] 209: SS began to offer video services to users.

[0062] 210 :APP模块向SS返回校验失败消息,SS拒绝给用户提供服务。 [0062] 210: APP module returns a check failure message to SS, SS refused to users. [0063] 本实施例的接入视频服务的方法可以应用于所有视频领域,如IPTV、互联星空等。 Method [0063] The present embodiment access video services may be applied to all embodiments of the video field, such as IPTV, Hulianxingkong like. [0064] 以上所述仅为本发明的实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0064] The above embodiments of the invention only, but not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、 等同替换、改进等,均应包含在本发明的权利要求范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the invention as claimed in claims.

Claims (8)

  1. 一种接入视频服务的方法,包括:当接收到播放终端发来的视频服务请求时,生成实时流传输协议(RTSP)播放的统一资源定位符(URL),在所述URL中附加一个认证码,并将所述认证码设为预定值,然后将所述URL发送给播放终端;当接收到播放终端发来的建立RTSP链路的请求消息时,判断所述请求消息中附带的认证码的预定值是否有效,若有效,则将所述认证码删除或置成无效,与播放终端建立RTSP链路。 Method of accessing video services, comprising: when receiving the playback video sent by the terminal service request, generating a Real Time Streaming Protocol (RTSP) Uniform Resource Locator play (URL), the URL in the additional authentication in a code and the authentication code is set to a predetermined value, and then transmits the URL to the player terminal; upon receiving the RTSP request message to establish a link sent by the player terminal, determining whether the request included in the message authentication code the predetermined value is valid, if valid, then the authentication code is set as invalid or deleted, with the playing terminal to establish RTSP link.
  2. 2. 如权利要求1所述的方法,其特征在于:在所述生成URL之前还包括:对所述视频服务请求进行鉴权。 2. The method according to claim 1, wherein: prior to generating the URL further comprising: the video service request for authentication.
  3. 3. 如权利要求l所述的方法,其特征在于:在所述生成URL之前还包括:以特定规则生成所述认证码。 3. The method according to claim l, wherein: prior to generating the URL further comprising: generating the authentication codes to specific rules.
  4. 4. 如权利要求1-3任一项所述的方法,其特征在于:在将所述URL发送给播放终端之前,还包括:保存所述认证码的信息。 4. The method of any one of claims 1-3, wherein: before sending the URL to the player terminal, further comprising: saving the information of the authentication code.
  5. 5. —种视频播放系统,包括:业务管理服务器和流媒体服务器,其中,所述业务管理服务器,用于当接收到播放终端发来的视频服务请求时,生成实时流传输协议(RTSP)播放的统一资源定位符(URL),在所述URL中附加一个认证码,并将所述认证码设为预定值,然后将所述URL发送给播放终端;用于接收到流媒体服务器发来的认证码时,判断所述认证码的预定值是否有效,若有效,则将所述认证码删除或置成无效,并向流媒体服务器发送认证成功消息;所述流媒体服务器,用于接收到播放终端发来的建立RTSP链路的请求消息时,将所述请求消息中附带的认证码发送给业务管理服务器;用于接收到所述业务管理服务器发来的认证成功消息后与播放终端建立RTSP链路。 5. - kinds of video playback system, comprising: a service management server and streaming server, wherein the service management server, when receiving the playback video sent by the terminal service request, generating a Real Time Streaming Protocol (RTSP) Playback uniform resource locator (URL), the URL in the additional authentication code a and the authentication code is set to a predetermined value, and then transmits the URL to the player terminal; means for receiving the streaming media sent from the server when the authentication code, the authentication code is determined a predetermined value is valid, if valid, then the authentication code is deleted or set as invalid, and the streaming server sends an authentication success message; the streaming media server is configured to receive when the player terminal sent RTSP link establishment request message, the request message authentication code included in the management server transmits to the service; for the player terminal to establish the service management server receives the authentication success message sent after RTSP link.
  6. 6. 如权利要求5所述的视频播放系统,其特征在于:所述业务管理服务器包括电子节目单模块和应用平台模块,其中,所述电子节目单模块,用于当接收到视频服务请求时向应用平台模块发送一信号;用于生成所述URL,在所述URL中附加所述应用平台模块发来的认证码后将所述URL发送给播放终端;所述应用平台模块,用于收到所述信号后生成一认证码,将所述认证码设为预定值后发送给电子节目单模块;用于当接收到所述流媒体服务器发来的认证码时,判断所述认证码的预定值是否有效,若有效,则将所述认证码删除或置成无效,然后向所述流媒体服务器返回认证成功消息。 6. The video playback system according to claim 5, wherein: the service management server comprising electronic program modules and application platform module, wherein the electronic program module, used for, when receiving a video service request application platform module sends a signal; means for generating the URL, the URL of the authentication code after the additional application platform module transmits the URL sent to the player terminal; the application platform module, for receiving after the signal generator to an authentication code, the authentication code is set to the electronic program guide module after a predetermined value; for, when receiving the streaming media sent from the server authentication code, the authentication code is determined the predetermined value is valid, if valid, then the authentication code is set as invalid or deleted, and then returns an authentication success message to the streaming server.
  7. 7. 如权利要求6所述的视频播放系统,其特征在于:所述电子节目单模块,还用于当接收到视频服务请求时向应用平台模块发送鉴权请求,所述应用平台模块,还用于收到所述鉴权请求后,对所述视频服务请求进行鉴权,若鉴权成功,则生成一认证码。 7. The video playback system according to claim 6, wherein: the electronic program module is further configured to send an authentication request to an application platform module when receiving a video service request, the application platform module further after receiving the authentication request, the video service request for authentication, if the authentication succeeds, generating an authentication code.
  8. 8. 如权利要求5-7任一项所述的视频播放系统,其特征在于: 所述应用平台模块,还用于将所述认证码设为预定值后保存所述认证码的信息。 8. The video playback system according to any of claims 5-7, wherein: said application platform module is further configured to store the information after the authentication code authentication code is set to a predetermined value.
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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011063731A1 (en) * 2009-11-24 2011-06-03 中兴通讯股份有限公司 Method for accessing video service and video playing system
CN102111750A (en) * 2011-02-25 2011-06-29 中兴通讯股份有限公司 Method and system for downloading content
CN102223584A (en) * 2011-06-24 2011-10-19 百视通网络电视技术发展有限责任公司 Video playing authenticator system and video playing method
CN102577307A (en) * 2009-09-22 2012-07-11 高通股份有限公司 Enhanced block-request streaming using url templates and construction rules
WO2012126263A1 (en) * 2011-03-23 2012-09-27 腾讯科技(深圳)有限公司 Device, system and method for accessing internet web page
US8806050B2 (en) 2010-08-10 2014-08-12 Qualcomm Incorporated Manifest file updates for network streaming of coded multimedia data
US8887020B2 (en) 2003-10-06 2014-11-11 Digital Fountain, Inc. Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
US8918533B2 (en) 2010-07-13 2014-12-23 Qualcomm Incorporated Video switching for streaming video data
US8958375B2 (en) 2011-02-11 2015-02-17 Qualcomm Incorporated Framing for an improved radio link protocol including FEC
CN104618738A (en) * 2015-01-14 2015-05-13 青岛海信电器股份有限公司 Method and device for playing programs of intelligent TV
US9136878B2 (en) 2004-05-07 2015-09-15 Digital Fountain, Inc. File download and streaming system
US9136983B2 (en) 2006-02-13 2015-09-15 Digital Fountain, Inc. Streaming and buffering using variable FEC overhead and protection periods
US9178535B2 (en) 2006-06-09 2015-11-03 Digital Fountain, Inc. Dynamic stream interleaving and sub-stream based delivery
US9185439B2 (en) 2010-07-15 2015-11-10 Qualcomm Incorporated Signaling data for multiplexing video components
US9191151B2 (en) 2006-06-09 2015-11-17 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
CN105100913A (en) * 2014-05-22 2015-11-25 中兴通讯股份有限公司 Video accessing method, system thereof, set-top-box, proxy server and media server
US9236885B2 (en) 2002-10-05 2016-01-12 Digital Fountain, Inc. Systematic encoding and decoding of chain reaction codes
US9236976B2 (en) 2001-12-21 2016-01-12 Digital Fountain, Inc. Multi stage code generator and decoder for communication systems
US9237101B2 (en) 2007-09-12 2016-01-12 Digital Fountain, Inc. Generating and communicating source identification information to enable reliable communications
US9240810B2 (en) 2002-06-11 2016-01-19 Digital Fountain, Inc. Systems and processes for decoding chain reaction codes through inactivation
US9246633B2 (en) 1998-09-23 2016-01-26 Digital Fountain, Inc. Information additive code generator and decoder for communication systems
US9253233B2 (en) 2011-08-31 2016-02-02 Qualcomm Incorporated Switch signaling methods providing improved switching between representations for adaptive HTTP streaming
US9264069B2 (en) 2006-05-10 2016-02-16 Digital Fountain, Inc. Code generator and decoder for communications systems operating using hybrid codes to allow for multiple efficient uses of the communications systems
US9270414B2 (en) 2006-02-21 2016-02-23 Digital Fountain, Inc. Multiple-field based code generator and decoder for communications systems
US9270299B2 (en) 2011-02-11 2016-02-23 Qualcomm Incorporated Encoding and decoding using elastic codes with flexible source block mapping
US9281847B2 (en) 2009-02-27 2016-03-08 Qualcomm Incorporated Mobile reception of digital video broadcasting—terrestrial services
US9288010B2 (en) 2009-08-19 2016-03-15 Qualcomm Incorporated Universal file delivery methods for providing unequal error protection and bundled file delivery services
US9294226B2 (en) 2012-03-26 2016-03-22 Qualcomm Incorporated Universal object delivery and template-based file delivery
US9380096B2 (en) 2006-06-09 2016-06-28 Qualcomm Incorporated Enhanced block-request streaming system for handling low-latency streaming
US9419749B2 (en) 2009-08-19 2016-08-16 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
CN106028064A (en) * 2016-06-24 2016-10-12 武汉斗鱼网络科技有限公司 Live broadcasting video streaming playing address authorization verification method and system
US9485546B2 (en) 2010-06-29 2016-11-01 Qualcomm Incorporated Signaling video samples for trick mode video representations
CN106101133A (en) * 2016-07-14 2016-11-09 观止云(北京)信息技术有限公司 Stream media anti-stealing-link method and system
US9596447B2 (en) 2010-07-21 2017-03-14 Qualcomm Incorporated Providing frame packing type information for video coding
US9843844B2 (en) 2011-10-05 2017-12-12 Qualcomm Incorporated Network streaming of media data
US9917874B2 (en) 2009-09-22 2018-03-13 Qualcomm Incorporated Enhanced block-request streaming using block partitioning or request controls for improved client-side handling

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1992594B (en) * 2005-12-31 2014-07-16 中兴通讯股份有限公司 URL extension method for streaming media system
CN100562016C (en) * 2006-01-16 2009-11-18 北京北方烽火科技有限公司 Anti-theft chain method for WEB service
CN101232371B (en) * 2007-01-24 2010-07-14 中兴通讯股份有限公司 Verification method of digital signature under stream media business level networking architecture
CN101202893A (en) * 2007-06-27 2008-06-18 深圳市同洲电子股份有限公司 Method, system for preventing non-authorization user from obtaining service and video server
CN101115187B (en) * 2007-08-24 2011-04-20 中兴通讯股份有限公司 Interactive network television system on demand method
CN101729857A (en) * 2009-11-24 2010-06-09 中兴通讯股份有限公司 Method for accessing video service and video playing system

Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9246633B2 (en) 1998-09-23 2016-01-26 Digital Fountain, Inc. Information additive code generator and decoder for communication systems
US9236976B2 (en) 2001-12-21 2016-01-12 Digital Fountain, Inc. Multi stage code generator and decoder for communication systems
US9240810B2 (en) 2002-06-11 2016-01-19 Digital Fountain, Inc. Systems and processes for decoding chain reaction codes through inactivation
US9236885B2 (en) 2002-10-05 2016-01-12 Digital Fountain, Inc. Systematic encoding and decoding of chain reaction codes
US8887020B2 (en) 2003-10-06 2014-11-11 Digital Fountain, Inc. Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
US9136878B2 (en) 2004-05-07 2015-09-15 Digital Fountain, Inc. File download and streaming system
US9236887B2 (en) 2004-05-07 2016-01-12 Digital Fountain, Inc. File download and streaming system
US9136983B2 (en) 2006-02-13 2015-09-15 Digital Fountain, Inc. Streaming and buffering using variable FEC overhead and protection periods
US9270414B2 (en) 2006-02-21 2016-02-23 Digital Fountain, Inc. Multiple-field based code generator and decoder for communications systems
US9264069B2 (en) 2006-05-10 2016-02-16 Digital Fountain, Inc. Code generator and decoder for communications systems operating using hybrid codes to allow for multiple efficient uses of the communications systems
US9209934B2 (en) 2006-06-09 2015-12-08 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9628536B2 (en) 2006-06-09 2017-04-18 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
US9178535B2 (en) 2006-06-09 2015-11-03 Digital Fountain, Inc. Dynamic stream interleaving and sub-stream based delivery
US9380096B2 (en) 2006-06-09 2016-06-28 Qualcomm Incorporated Enhanced block-request streaming system for handling low-latency streaming
US9191151B2 (en) 2006-06-09 2015-11-17 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9386064B2 (en) 2006-06-09 2016-07-05 Qualcomm Incorporated Enhanced block-request streaming using URL templates and construction rules
US9237101B2 (en) 2007-09-12 2016-01-12 Digital Fountain, Inc. Generating and communicating source identification information to enable reliable communications
US9281847B2 (en) 2009-02-27 2016-03-08 Qualcomm Incorporated Mobile reception of digital video broadcasting—terrestrial services
US9660763B2 (en) 2009-08-19 2017-05-23 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9288010B2 (en) 2009-08-19 2016-03-15 Qualcomm Incorporated Universal file delivery methods for providing unequal error protection and bundled file delivery services
US9876607B2 (en) 2009-08-19 2018-01-23 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9419749B2 (en) 2009-08-19 2016-08-16 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9917874B2 (en) 2009-09-22 2018-03-13 Qualcomm Incorporated Enhanced block-request streaming using block partitioning or request controls for improved client-side handling
CN102577307A (en) * 2009-09-22 2012-07-11 高通股份有限公司 Enhanced block-request streaming using url templates and construction rules
WO2011063731A1 (en) * 2009-11-24 2011-06-03 中兴通讯股份有限公司 Method for accessing video service and video playing system
US9485546B2 (en) 2010-06-29 2016-11-01 Qualcomm Incorporated Signaling video samples for trick mode video representations
US9992555B2 (en) 2010-06-29 2018-06-05 Qualcomm Incorporated Signaling random access points for streaming video data
US8918533B2 (en) 2010-07-13 2014-12-23 Qualcomm Incorporated Video switching for streaming video data
US9185439B2 (en) 2010-07-15 2015-11-10 Qualcomm Incorporated Signaling data for multiplexing video components
US9602802B2 (en) 2010-07-21 2017-03-21 Qualcomm Incorporated Providing frame packing type information for video coding
US9596447B2 (en) 2010-07-21 2017-03-14 Qualcomm Incorporated Providing frame packing type information for video coding
US8806050B2 (en) 2010-08-10 2014-08-12 Qualcomm Incorporated Manifest file updates for network streaming of coded multimedia data
US9319448B2 (en) 2010-08-10 2016-04-19 Qualcomm Incorporated Trick modes for network streaming of coded multimedia data
US9456015B2 (en) 2010-08-10 2016-09-27 Qualcomm Incorporated Representation groups for network streaming of coded multimedia data
US8958375B2 (en) 2011-02-11 2015-02-17 Qualcomm Incorporated Framing for an improved radio link protocol including FEC
US9270299B2 (en) 2011-02-11 2016-02-23 Qualcomm Incorporated Encoding and decoding using elastic codes with flexible source block mapping
CN102111750A (en) * 2011-02-25 2011-06-29 中兴通讯股份有限公司 Method and system for downloading content
WO2012126263A1 (en) * 2011-03-23 2012-09-27 腾讯科技(深圳)有限公司 Device, system and method for accessing internet web page
US8898738B2 (en) 2011-03-23 2014-11-25 Tencent Technology (Shenzhen) Company Limited Apparatus, system and method for accessing internet webpage
CN102223584A (en) * 2011-06-24 2011-10-19 百视通网络电视技术发展有限责任公司 Video playing authenticator system and video playing method
US9253233B2 (en) 2011-08-31 2016-02-02 Qualcomm Incorporated Switch signaling methods providing improved switching between representations for adaptive HTTP streaming
US9843844B2 (en) 2011-10-05 2017-12-12 Qualcomm Incorporated Network streaming of media data
US9294226B2 (en) 2012-03-26 2016-03-22 Qualcomm Incorporated Universal object delivery and template-based file delivery
CN105100913A (en) * 2014-05-22 2015-11-25 中兴通讯股份有限公司 Video accessing method, system thereof, set-top-box, proxy server and media server
CN104618738B (en) * 2015-01-14 2019-05-21 青岛海信电器股份有限公司 A kind of smart television program broadcasting method and device
CN104618738A (en) * 2015-01-14 2015-05-13 青岛海信电器股份有限公司 Method and device for playing programs of intelligent TV
CN106028064A (en) * 2016-06-24 2016-10-12 武汉斗鱼网络科技有限公司 Live broadcasting video streaming playing address authorization verification method and system
CN106101133A (en) * 2016-07-14 2016-11-09 观止云(北京)信息技术有限公司 Stream media anti-stealing-link method and system

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