WO2008046353A1 - Procédé et système de vidéo-sur-demande (vod) - Google Patents

Procédé et système de vidéo-sur-demande (vod) Download PDF

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Publication number
WO2008046353A1
WO2008046353A1 PCT/CN2007/070906 CN2007070906W WO2008046353A1 WO 2008046353 A1 WO2008046353 A1 WO 2008046353A1 CN 2007070906 W CN2007070906 W CN 2007070906W WO 2008046353 A1 WO2008046353 A1 WO 2008046353A1
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WO
WIPO (PCT)
Prior art keywords
information
demand
video
user
short message
Prior art date
Application number
PCT/CN2007/070906
Other languages
English (en)
French (fr)
Inventor
Chungen Liu
Weizhong Li
Peng Yan
Xinghe Huang
Zhenzhong Dai
Original Assignee
Star Software Technology Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Star Software Technology Co., Ltd. filed Critical Star Software Technology Co., Ltd.
Publication of WO2008046353A1 publication Critical patent/WO2008046353A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17336—Handling of requests in head-ends
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6581—Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application

Definitions

  • the present invention relates to the field of video on demand, and in particular to a video on demand method and system.
  • Video on Demand is a method in which a user sends a video on demand message to a video on demand center through a network, a telephone, a short message, etc., and the video on demand center sends a corresponding video program to the user receiving end according to the video on demand information content, so that the user You can see your favorite video programs on the receiving end.
  • Step 101 The user selects a video program that he or she likes;
  • Step 102 The user transmits the user information, the service group information, and the video program information to the video on demand center by using a short message method;
  • Step 103 The video on demand center finds the corresponding video program according to the video program information, sends it to the network node corresponding to the service group information, and then sends the video program to the receiving end of the phase application through the network node.
  • Sending information via SMS is an interactive method that is currently more common.
  • the way of SMS interaction is relatively simple, the amount of information that SMS can deliver is very small, so the design of the format of short messages is generally not systematically considered.
  • the VOD service it is necessary to transmit a lot of information through a short message, such as user information, service group information, video program information, etc., all of which are in digital or alphabet format, the input is very troublesome, and it is extremely error-prone and error After that, users and video on demand centers are difficult to find and may cause unnecessary trouble.
  • the user's user group has a digit number of 12538, but the user enters the user group number as 13538 inadvertently. If the user group 13538 does not exist, the video on demand center returns an error message, and the user only needs to re-enter and send; If the user group 13538 exists, the video on demand center will send the video program requested by the user to the network node where the user group 13538 is located, so that the user It is impossible to receive the video program that it has broadcasted, resulting in financial loss of the user and waste of network resources.
  • the short message needs to be encoded, sent, and decoded during the transmission.
  • the original meaning may be changed due to the abnormality, so that the video on demand center understands the ambiguity, thereby making a wrong judgment, and also causing the user not to The necessary loss.
  • the technical problem to be solved by the present invention is to provide a video on demand method, which can reduce the amount of data input by the user for on-demand information, and can prevent the adverse effects of the on-demand information error to the user.
  • the present invention further provides a video on demand system, which is applied to the above video on demand method, which can reduce the amount of data input by the user for on-demand information, and can prevent the adverse effects of the on-demand information error to the user.
  • the invention also provides a video on demand method, which can also reduce the amount of data input by the user for on-demand information, and can prevent the adverse effects of the on-demand information error to the user.
  • a video on demand method of the present invention includes:
  • the on-demand message includes the sender identification information and the video on-demand information; the user information corresponding to the sender identification information is found, and the video program corresponding to the video on-demand information is sent to the The client corresponding to the client information.
  • the corresponding relationship between the sender identification information and the client information is established according to the following steps: sending the registration short message to the video on demand center, the registration short message includes the sender identification information and the client information; the video on demand center will send the sender
  • the identification information is associated with the user terminal information.
  • the registration short message further includes service group information
  • the video on demand center establishes a correspondence between the sender identification information and the service group information, and sends a video program by using a network node corresponding to the service group information.
  • the registration short message further includes a check code, where the check code is used to verify the sender identification information, the client information, and the service group information.
  • the registration short message further includes a user password, where the user password is used to compare the user password of the disconnected short message with the user password in the registered short message when receiving the disconnected short message, if the same, Then, the correspondence between the sender identification information and the client information is released.
  • one of the client information can be associated with at least one of the sender identifier information.
  • the sending end identification information is a user mobile phone number; and the user end information is a user end set top box smart card number.
  • the present invention provides a video on demand system, including a short message sending end, an on-demand server, and a client set-top box: the short message sending end is configured to send a registered short message and an on-demand short message, where the registered short message includes the sending end identification information and the user end information;
  • the on-demand message includes the sender identification information and the video on-demand information;
  • the on-demand server is configured to establish a correspondence between the sender identifier information and the user terminal information; and send the video program corresponding to the video on-demand information to the location
  • the user-side set-top box corresponding to the user-side information; the smart-card number is built in the user-side set-top box, and the smart card number is user-side information.
  • the registration short message further includes service group information and a check code, where the on-demand server sends a video program through a network node corresponding to the service group information; and the check code is used to verify the identifier information of the sender.
  • the user terminal information and the service group information are included in the registration short message.
  • the video on demand method of the present invention comprises: inputting sender identification information and video on demand information in a short message; the sending interface automatically generates user terminal information in the short message, and sends the information to the video on demand center; the video on demand center sets the video The video program corresponding to the on-demand information is sent to the user end corresponding to the user information.
  • the sending interface automatically generates service group information in the short message, and the video paging center sends a video program through a network node corresponding to the service group information.
  • the sending interface automatically generates a check code in the short message, where the check code is used to verify the sending end identification information, the user end information, and the service group information.
  • the sending end identification information is a user mobile phone number; and the user end information is a user end set top box smart card number.
  • the present invention has the following advantages:
  • the user uses the mobile phone to register in the video on demand center first, and the video on demand center establishes the correspondence between the user's mobile phone number and the user end information, and the user only needs to send the short message containing the video program information, and the video on demand center can be based on the user's mobile phone.
  • the number finds the corresponding client information, and sends the video program that the user clicks to the user end specified by the client information.
  • the video on demand center also associates the user's mobile phone number with the service group information through the service group.
  • the network node corresponding to the information sends the video program, which can save the occupation of the network resources, and also enables the video on demand center to simultaneously send more video programs.
  • the user mobile phone sends a text message containing a check code
  • the video on demand center verifies the user end information and the service group information according to the check code, thereby preventing the user from causing losses.
  • the invention can automatically generate corresponding user terminal information and service group information in the short message by the sending interface, so as to prevent the user from inputting too much information in the short message.
  • FIG. 1 is a flow chart of a method for video on demand using a short message in the prior art
  • FIG. 2 is a flowchart of an embodiment of a video on demand method according to the present invention.
  • FIG. 3 is a schematic diagram of an embodiment of a video on demand system according to the present invention.
  • FIG. 4 is a flow chart of another embodiment of a video on demand method according to the present invention.
  • the core idea of the invention is that the user first registers in the video on demand center by using the mobile phone, and the video on demand center establishes the correspondence between the user's mobile phone number and the user end information, and the user only needs to send the short message containing the video program information, and the video on demand center can be based on The user's mobile phone number finds the corresponding client information, and sends the video program that the user clicks to the user terminal specified by the client information.
  • Step 201 A video on demand center establishes a correspondence between a sender identification information and a user end information; a user sends a registration short message to a video on demand center.
  • the registration message includes the sender identification information and the client information, and the video on demand center associates the sender identification information with the client information and stores it in its database. In this way, the user's mobile phone completes the registration at the video on demand center, and the video on demand center returns a registration success message.
  • the sender identification information may be a user mobile phone number
  • the client information may be a client set top box smart card number.
  • a client set-top box smart card number can be associated with multiple user mobile phone numbers. For example, if a family has a client-side set-top box device, the mobile phone numbers of several members of the family can be associated with the smart card number in the set-top box device, so that members of the family can use their mobile phone short messages for video on demand.
  • Step 202 Send an on-demand short message to a video on demand center, where the on-demand short message includes the sending end identification information and video on-demand information;
  • the user After the user successfully registers the mobile phone, the user sends an on-demand message to the video on demand center, and the on-demand message includes the sender identification information and the video on demand information.
  • the SMS sent by the user's mobile phone automatically includes the sender identification information, that is, the user's mobile phone number, and the video on demand information is input by the user.
  • the video on demand is divided into VOD program binding on-demand and VOD program preview binding on-demand.
  • the user can input different identification fields in the short message to distinguish, and the video program information input by the user can directly input the video program name, or can input the corresponding video program. Data or letter label.
  • Step 203 The video on demand center finds the user end information corresponding to the sending end identification information; the video on demand center searches the built-in database for the user end information corresponding to the sending end identification information.
  • a sender identification information can only correspond to unique client information. That is, a user's mobile phone number can only be associated with a unique client set-top box smart card number, so that the video on demand center can accurately send the user-on-demand video program to the designated client.
  • Step 204 The video on demand center sends the video program corresponding to the video on demand information to the user end corresponding to the user information.
  • the client information can be a smart card number built into the client set top box, and the number is unique.
  • the user terminal can be a set top box, and the video on demand center sends the video program that the user clicks to the set top box, and the set top box decodes the video program and then plays the player through the player.
  • the video on demand center can encrypt the video program by using the user information, and only the user end corresponding to the user information can decrypt the video program, so that the instant video on demand broadcasts the video program to the user terminal, and the received user terminal still receives Can not receive the video program, to a certain extent, can protect the user's interests from loss.
  • the registration short message sent by the user to the video on demand center may further include service group information, and the video on demand center establishes a correspondence between the sender identification information and the service group information, and sends the video through the network node corresponding to the service group information. program.
  • each user clicks on a video program the server of the video on demand center sends the video program to the entire network, and then searches for a unique client.
  • the pressure on the entire network to transmit data is very high, and the number of video programs sent by the server at the same time is limited by the network transmission.
  • Divide the entire video on demand network into several small network nodes each network node pair Should be a unique number, which can be used as a service group information.
  • the video on demand center associates the user's mobile phone number with the service group information, and sends the video program through the network node corresponding to the service group information, which can save the occupation of the network resources, and also enable the video on demand center to simultaneously send more video programs.
  • the registration short message sent by the user to the video on demand center may further include a check code, where the check code is used to verify the sender identifier information, the client information, and the service group information.
  • the user's mobile phone card number is 13225346767 and the user group number is 12538, but the user has inadvertently lost 13225346767, 13538, or the user's mobile phone number and user group number are misinterpreted as 13225346767, 13538 due to other encoding, transmission, and decoding reasons. If there is no verification, the video-on-demand center will mistake the user to the 13538 group. Later, when the user clicks on the service, the user will not be able to see the video program they want to broadcast because they are sent to the wrong service group. By adding a check code, once the user inputs an error, the video on demand center can detect it through the check code to avoid similar errors.
  • the registered text message sent by the user to the video on demand center may also include the user password.
  • the user password is used to compare the user password of the disassociated short message with the user password of the registered short message when receiving the dismissal short message, and if the same, cancel the correspondence between the sending end identification information and the user end information. relationship.
  • the preferred format of the registered SMS sent by the user is:
  • the format of the on-demand message can be:
  • Identification field + sender identification information + user password The above identification fields can be as shown in Table 1:
  • a schematic diagram of an embodiment of a video on demand system includes a short message sending end 301, an on-demand server 302, and a client set-top box 303;
  • the short message sending end 301 sends a registration short message to the on-demand server 302.
  • the registered short message includes the sending end identification information and the user end information, and the on-demand server 302 establishes a corresponding relationship between the sending end identification information and the user end information, and stores it in its database.
  • the short message sender 301 completes the registration at the on-demand server 302, and the on-demand server 302 returns a registered success message to the short message sender 301.
  • the short message sending end 301 After the short message sending end 301 is successfully registered by the on-demand server 302, the short message sending end 301 sends an on-demand short message to the on-demand server 302, and the on-demand short message includes the sending end identification information and the video on demand information.
  • the short message sent by the short message sending end 301 automatically includes the sending end identification information.
  • the client set-top box 303 has a built-in smart card, and the smart card number is the client information.
  • the short message sending end 301 can be a mobile phone, the sending end identification information can be a mobile phone number, and one smart card number can be associated with multiple mobile phone numbers.
  • the registration short message may further include service group information and a check code, and the on-demand server 302 sends a video program through the network node corresponding to the service group information; the check code is used to verify the sender identifier information, the client information, and the ⁇ Good service group information.
  • the registered short message sent by the short message sender 301 to the on-demand server 302 may also include the user password. If the corresponding relationship between the sender identification information and the client information and the service group information is to be cancelled, the short message sending end 301 may send a short message to the on-demand server 302 including the sender identification information and the user password, and the on-demand server 302 cancels the sender identification information and the location. The corresponding relationship of the user information.
  • the preferred format of the registered short message sent by the short message sending end 301 is:
  • the identifier field + the sender identifier information + the client information + the service group information + the check code can be automatically generated by the short message sending end 301, and the user password is input by the user in the short message.
  • the format of the on-demand short message sent by the short message sending end 301 can be:
  • the format of the unresolved correspondence message sent by the short message sending end 301 is:
  • Step 401 Input sender identification information and video on demand information in a short message
  • Step 402 The sending interface automatically generates user information in the short message, and sends the information to the video on demand center;
  • the sending interface may be a sending interface of the sending device, or a sending interface in the set top box of the user terminal, and the sending interface presets the information of the user end, and may be sent together with the short message of the user to perform on-demand broadcasting of the video program.
  • Step 403 The video on demand center sends the video program corresponding to the video on demand information to the user end corresponding to the user information.
  • a sender identification information can only correspond to unique client information.
  • the video on demand center can accurately transmit the video program requested by the user to the designated client.
  • the client information can be a smart card number built into the client's set-top box, and the number is unique.
  • the user terminal can be a set top box. After the video on demand center sends the video program on demand to the set top box, the set top box decodes the video program and plays it through the player.
  • the sending interface can also automatically generate service group information in the short message, and the video on demand center sends the video program through the network node corresponding to the service group information.
  • the sending interface may also automatically generate a check code in the short message, where the check code is used to verify the sender identification information, the client information, and the service group information.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Description

一种视频点播方法及系统
本申请要求于 2006 年 10 月 19 日提交中国专利局、 申请号为 200610140962.2、 发明名称为"一种视频点播方法及系统"的中国专利申请的优 先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及视频点播领域， 特别是涉及一种视频点播方法及系统。
背景技术
视频点播（VOD, Video On Demand )是用户通过网络、 电话、 短信等方 式发送视频点播信息到视频点播中心，视频点播中心根据视频点播信息内容发 送相应的视频节目到用户接收端， 这样， 用户就可以在接收端收看到自己喜爱 的视频节目。
其中，使用短信方式进行视频点播不受时间和地域的限制， 可以更方便用 户使用。 请参阅图 1 , 为使用短信进行视频点播的流程图， 具体步骤如下： 步骤 101、 用户选择自己所喜爱的视频节目；
步骤 102、 用户通过短信方式传送用户信息、 服务组信息、 视频节目信息 至视频点播中心；
步骤 103、 视频点播中心依据视频节目信息查找到相应的视频节目， 发送 到与服务组信息相应的网络节点，再通过该网络节点将视频节目发送到相应用 户的接收端。
通过短信发送信息是目前比较普遍的一个互动的方式。但是一般由于短信 互动的方式比较简单，短信能够传递的信息量非常少， 所以对短信息的格式的 设计一般都不会有系统地考量。 然而， 对于 VOD业务， 需要一次性地通过短 信传送很多信息， 如用户信息、 服务组信息、 视频节目信息等， 这些信息都是 数字或字母格式， 输入非常麻烦， 又极容易出错， 并且在出错后， 用户和视频 点播中心都难于发现， 可能造成不必要的麻烦。
比如， 用户的用户组的数字号码为 12538, 但用户在输入时因疏忽输入用 户组号码为 13538, 如果用户组 13538不存在， 视频点播中心返回一个错误的 信息， 用户只需重新输入再发送； 如果用户组 13538存在， 那么视频点播中心 就会把该用户点播的视频节目发送用户组 13538所在的网络节点，这样该用户 就无法接收到自己所点播的视频节目，造成该用户财务上的损失和网络资源的 浪费。
此外， 短信在发送途中需要经过编码、 发送、 解码过程， 在该过程中， 可 能因为异常原因改变原来的意思，使视频点播中心理解出现歧义，从而做出错 误的判断， 同样会给用户造成不必要的损失。
发明内容
本发明所要解决的技术问题是提供一种视频点播方法，可以减少用户输入 点播信息的数据量， 并可防止点播信息出错给用户带来的不利影响。
本发明还提供一种视频点播系统，应用于上述视频点播方法， 可减少用户 输入点播信息的数据量， 并能够防止点播信息出错给用户带来的不利影响。
本发明还提供一种视频点播方法，同样可以减少用户输入点播信息的数据 量， 并能够防止点播信息出错给用户带来的不利影响。
本发明一种视频点播方法， 包括：
建立发送端标识信息与用户端信息的对应关系；
接收点播短信， 所述点播短信包含所述发送端标识信息和视频点播信息； 查找到与所述发送端标识信息对应的所述用户端信息，将所述视频点播信 息对应的视频节目发送到所述用户端信息对应的用户端。
优选的， 按下述步骤建立发送端标识信息与用户端信息的对应关系： 发送注册短信至视频点播中心，所述注册短信包括发送端标识信息和用户 端信息； 视频点播中心将所述发送端标识信息与所述用户端信息建立对应关 系。
优选的， 所述注册短信还包括服务组信息， 所述视频点播中心将所述发送 端标识信息与服务组信息建立对应关系，并通过所述服务组信息对应的网络节 点发送视频节目。
优选的， 所述注册短信还包括校验码， 所述校验码用于验证所述发送端标 识信息、 所述用户端信息和所述 Λ良务组信息。
优选的， 所述注册短信还包括用户密码， 所述用户密码用于在接收到解除 关系短信时，将所述解除关系短信的用户密码与所述注册短信中的用户密码相 比较， 如相同， 则解除发送端标识信息和用户端信息的对应关系。 优选的，一个所述用户端信息能够与至少一个所述发送端标识信息建立对 应关系。
优选的， 所述发送端标识信息为用户手机号码； 所述用户端信息为用户端 机顶盒智能卡号。
本发明一种视频点播系统，包括短信发送端、点播服务器和用户端机顶盒： 所述短信发送端， 用于发送注册短信和点播短信， 所述注册短信包括发送端标 识信息和用户端信息； 所述点播短信包括发送端标识信息和视频点播信息； 所 述点播服务器， 用于将所述发送端标识信息与所述用户端信息建立对应关系； 将所述视频点播信息对应的视频节目发送到所述用户端信息对应的用户端机 顶盒； 所述用户端机顶盒内置智能卡， 所述智能卡号码为用户端信息。
优选的， 所述注册短信还包括服务组信息和校验码， 所述点播服务器通过 所述服务组信息对应的网络节点将发送视频节目；所述校验码用于验证所述发 送端标识信息、 所述用户端信息和所述服务组信息。
本发明一种视频点播方法， 包括： 在短信中输入发送端标识信息和视频点 播信息；发送界面在所述短信中自动生成用户端信息，并发送至视频点播中心； 视频点播中心将所述视频点播信息对应的视频节目发送到所述用户端信息对 应的用户端。
优选的， 所述发送界面在所述短信中还自动生成服务组信息， 所述视频点 播中心通过所述服务组信息对应的网络节点将发送视频节目。
优选的， 所述发送界面在所述短信中还自动生成校验码， 所述校验码用于 验证所述发送端标识信息、 所述用户端信息和所述服务组信息。
优选的， 所述发送端标识信息为用户手机号码； 所述用户端信息为用户端 机顶盒智能卡号。
与现有技术相比， 本发明具有以下优点：
本发明中， 用户使用手机先在视频点播中心进行注册，视频点播中心建立 用户手机号码与用户端信息的对应关系，以后用户只需发送含有视频节目信息 的短信，视频点播中心即可根据用户手机号码查找到对应的用户端信息，将用 户点播的视频节目发送到用户端信息指定的用户端。
另夕卜，视频点播中心还将用户手机号码与服务组信息相关联，通过服务组 信息对应的网络节点发送视频节目， 可节约对网络资源的占用， 也使视频点播 中心可同时发送更多的视频节目。
此外， 用户手机发送短信中包含校验码，视频点播中心依据校验码对用户 端信息、 服务组信息进行验证， 防止出错给用户带来损失。
本发明可由发送界面自动在短信中生成相应的用户端信息、 服务组信息， 避免用户在短信中输入过多的信息。
附图说明
图 1为现有技术使用短信进行视频点播的方法流程图；
图 2为本发明一种视频点播方法实施例流程图；
图 3为本发明视频点播系统实施例示意图；
图 4为本发明另一种视频点播方法实施例流程图。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂， 下面结合附图和 具体实施方式对本发明作进一步详细的说明。
本发明的核心思想是用户使用手机先在视频点播中心进行注册，视频点播 中心建立用户手机号码与用户端信息的对应关系，以后用户只需发送含有视频 节目信息的短信，视频点播中心即可根据用户手机号码查找到对应的用户端信 息， 将用户点播的视频节目发送到用户端信息指定的用户端。
请参阅图 2, 为本发明一种视频点播方法实施例流程图， 具体步骤如下： 步骤 201、 视频点播中心将发送端标识信息与用户端信息建立对应关系； 用户发送注册短信至视频点播中心，注册短信包括发送端标识信息和用户 端信息，视频点播中心将发送端标识信息与用户端信息建立对应关系， 并存储 在其数据库中。 这样， 用户手机完成在视频点播中心的注册， 视频点播中心返 回一个注册成功的信息。
发送端标识信息可为用户手机号码，用户端信息可为用户端机顶盒智能卡 号。一个用户端机顶盒智能卡号码能够与多个用户手机号码建立对应关系。 比 如一个家庭有一个用户端机顶盒设备，该家庭中几个成员的手机号码都可以与 该机顶盒设备中智能卡号相关联， 这样， 该家庭中的成员就可以使用自己的手 机短信进行视频点播。 步骤 202、 发送点播短信至视频点播中心， 所述点播短信包含所述发送端 标识信息和视频点播信息；
用户在手机注册成功后，发送点播短信到视频点播中心， 点播短信包含发 送端标识信息和视频点播信息。用户手机发送的短信中自动包含发送端标识信 息， 即用户手机号码， 视频点播信息由用户输入。
视频点播分为 VOD节目绑定点播和 VOD节目预览绑定点播， 用户可在 短信中输入不同的标识字段进行区分，用户输入的视频节目信息可直接输入视 频节目名称， 也可输入该视频节目对应的数据或字母标号。
步骤 203、 视频点播中心查找到与发送端标识信息对应的用户端信息； 视频点播中心在其内置的数据库中查找与发送端标识信息对应的用户端 信息。一个发送端标识信息只可对应唯一的用户端信息。 即一个用户的手机号 码只能与唯一的用户端机顶盒智能卡号码相关联， 这样，视频点播中心可准确 将用户点播的视频节目发送到指定的用户端。
步骤 204、视频点播中心将视频点播信息对应的视频节目发送到用户端信 息对应的用户端。
用户端信息可为用户端机顶盒内置的智能卡号码， 该号码是唯一。 用户端 可为机顶盒，视频点播中心将用户点播的视频节目发送到机顶盒后， 该机顶盒 对视频节目进行解码后通过播放器播放。
视频点播中心可利用用户端信息对该视频节目进行加密，只有该用户端信 息对应的用户端才能够对视频节目进行解密， 这样， 即时视频点播将视频节目 发错用户端， 接收的用户端仍不能收看到该视频节目， 在一定程度上， 可保护 用户利益不受损失。
其中，在步骤 201中， 用户发送到视频点播中心的注册短信还可包括服务 组信息，视频点播中心将发送端标识信息与服务组信息建立对应关系， 并通过 服务组信息对应的网络节点发送视频节目。
在较大的视频点播传输网络中， 如果每一个用户点播的视频节目，视频点 播中心的服务器都将视频节目发送到在整个网络上，再搜索唯一的用户端。整 个网络传输数据的压力就很大，服务器同时发送的视频节目数量就会受到网络 传输的限制。将整个视频点播网络划分为若干个小网络节点，每个网络节点对 应唯一的编号， 该编号可作为一个服务组信息。视频点播中心将用户手机号码 与服务组信息相关联，通过服务组信息对应的网络节点发送视频节目， 可节约 对网络资源的占用， 也使视频点播中心可同时发送更多的视频节目。
此外，在步骤 201中， 用户发送到视频点播中心的注册短信还可包括校验 码，校验码用于验证所述发送端标识信息、所述用户端信息和所述服务组信息。
例如， 用户手机卡号为 13225346767 , 用户组编号为 12538, 但是用户因 疏忽输成了 13225346767、 13538, 或因其它编码、 传输、 解码原因， 使用户 手机号码、 用户组编号误解为 13225346767、 13538。 如果没有校验， 视频点 播中心就会误把该用户归属到 13538组，以后该用户再点播的时候就会因为发 送到错误的服务组， 该用户就无法看到自己点播的视频节目。通过添加校验码 的方法， 用户一旦输入错误， 视频点播中心可通过校验码检测出来， 从而避免 出现类似错误。
如上例， 正常的校验码为 1+3+2+2+5+3+4+6+7+6+7+1+2+5+3+8=65 , 这 样用户 的正确输入应该为 132253467671253865 , 而输入错误时为 1322534671353865。 视频点播中心接收到错误信息后计算校验码 1+3+2+2+5+3+4+6+7+6+7+1+3+5+3+8=66,这就说明短信中存在错误，可以返 回错误信息， 提醒用户。
另外，在步骤 201中， 用户发送到视频点播中心的注册短信还可包括用户 密码。 所述用户密码用于在接收到解除关系短信时，将所述解除关系短信的用 户密码与所述注册短信中的用户密码相比较，如相同， 则解除发送端标识信息 和用户端信息的对应关系。
这样， 用户发送的注册短信， 其优选的格式为：
标识字段 +发送端标识信息 +用户端信息 +服务组信息 +校验码 +用户密码 其中， 标识字段 +发送端标识信息 +用户端信息 +服务组信息 +校验码可由 发送设备自动生成， 用户密码由用户在短信中输入。
点播短信的构成格式可为：
标识字段 +发送端标识信息 +视频点播信息
解除对应关系短信的构成格式为：
标识字段 +发送端标识信息 +用户密码 上述标识字段可如表 1所示:
Figure imgf000009_0001
表 1
请参阅图 3 , 为本发明视频点播系统实施例示意图， 包括短信发送端 301、 点播服务器 302、 用户端机顶盒 303; 其中：
短信发送端 301发送注册短信至点播服务器 302, 注册短信包括发送端标 识信息和用户端信息，点播服务器 302将发送端标识信息与用户端信息建立对 应关系， 并存储在其数据库中。 这样， 短信发送端 301完成在点播服务器 302 的注册， 点播服务器 302返回一个注册成功的信息到短信发送端 301。
短信发送端 301在点播服务器 302注册成功后，短信发送端 301发送点播 短信到点播服务器 302, 点播短信包含发送端标识信息和视频点播信息。 短信 发送端 301发送的短信中自动包含发送端标识信息。
用户端机顶盒 303 内置智能卡， 智能卡号码为用户端信息。 短信发送端 301可为手机， 发送端标识信息可为手机号码， 一个智能卡号码可与多个手机 号码相关联。
注册短信还可包括服务组信息和校验码，点播服务器 302通过服务组信息 对应的网络节点将发送视频节目； 校验码用于验证所述发送端标识信息、所述 用户端信息和所述 Λ良务组信息。
短信发送端 301发送到点播服务器 302的注册短信还可包括用户密码。如 果想解除发送端标识信息与用户端信息、服务组信息的对应关系，短信发送端 301可发送包含发送端标识信息和用户密码的短信至点播服务器 302, 点播服 务器 302解除发送端标识信息和所述用户信息的对应关系。
这样， 短信发送端 301发送的注册短信， 其优选的格式为：
标识字段 +发送端标识信息 +用户端信息 +服务组信息 +校验码 +用户密码 其中， 标识字段 +发送端标识信息 +用户端信息 +服务组信息 +校验码可由 短信发送端 301 自动生成， 用户密码由用户在短信中输入。
短信发送端 301发送的点播短信的构成格式可为：
标识字段 +发送端标识信息 +视频点播信息
短信发送端 301发送的解除对应关系短信的构成格式为：
标识字段 +发送端标识信息 +用户密码
请参阅图 4 ,为本发明另一种视频点播方法实施例流程图，具体步骤如下： 步骤 401、 在短信中输入发送端标识信息和视频点播信息；
步骤 402、 发送界面在短信中自动生成用户端信息， 并发送至视频点播中 心；
发送界面可为发送设备的发送界面 ， 也可为用户端机顶盒内发送界面， 发送界面预置用户端信息， 可随用户短信一起发送， 进行视频节目的点播。
步骤 403、视频点播中心将视频点播信息对应的视频节目发送到用户端信 息对应的用户端。
一个发送端标识信息只可对应唯一的用户端信息。 这样，视频点播中心可 准确将用户点播的视频节目发送到指定的用户端。用户端信息可为用户端机顶 盒内置的智能卡号码， 该号码是唯一。 用户端可为机顶盒， 视频点播中心将用 户点播的视频节目发送到机顶盒后，该机顶盒对视频节目进行解码后通过播放 器播放。
发送界面在短信中还可自动生成服务组信息，视频点播中心通过所述服务 组信息对应的网络节点将发送视频节目。
发送界面在所述短信中还可自动生成校验码，所述校验码用于验证述发送 端标识信息、 用户端信息和服务组信息。
以上对本发明所提供的一种视频点播方法及系统， 进行了详细介绍， 本文 只是用于帮助理解本发明的方法及其核心思想； 同时，对于本领域的一般技术 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， 综 上所述， 本说明书内容不应理解为对本发明的限制。

Claims

权 利 要 求
1、 一种视频点播方法， 其特征在于， 包括：
建立发送端标识信息与用户端信息的对应关系；
接收点播短信， 所述点播短信包含所述发送端标识信息和视频点播信息； 查找与所述发送端标识信息对应的所述用户端信息，将所述视频点播信息 对应的视频节目发送到所述用户端信息对应的用户端。
2、 根据权利要求 1所述的方法， 其特征在于， 按下述步骤建立发送端标 识信息与用户端信息的对应关系：
发送注册短信至视频点播中心，所述注册短信包括发送端标识信息和用户 端信息；
视频点播中心将所述发送端标识信息与所述用户端信息建立对应关系。
3、 根据权利要求 2所述的方法， 其特征在于， 所述注册短信还包括服务 组信息， 所述视频点播中心将所述发送端标识信息与服务组信息建立对应关 系， 并通过所述服务组信息对应的网络节点发送视频节目。
4、 根据权利要求 3所述的方法， 其特征在于， 所述注册短信还包括校验 码， 所述校验码用于验证所述发送端标识信息、所述用户端信息和所述服务组 信息。
5、 根据权利要求 2所述的方法， 其特征在于， 所述注册短信还包括用户 密码， 所述用户密码用于在接收到解除关系短信时，将所述解除关系短信的用 户密码与所述注册短信中的用户密码相比较，如相同， 则解除发送端标识信息 和用户端信息的对应关系。
6、 根据权利要求 1至 5任一项所述的方法， 其特征在于， 一个所述用户 端信息能够与至少一个所述发送端标识信息建立对应关系。
7、 根据权利要求 6所述的方法， 其特征在于， 所述发送端标识信息为用 户手机号码； 所述用户端信息为用户端机顶盒智能卡号。
8、 一种视频点播系统， 其特征在于， 包括短信发送端、 点播服务器和用 户端机顶盒：
所述短信发送端， 用于发送注册短信和点播短信， 所述注册短信包括发送 端标识信息和用户端信息； 所述点播短信包括发送端标识信息和视频点播信 息；
所述点播服务器，用于将所述发送端标识信息与所述用户端信息建立对应 关系；将所述视频点播信息对应的视频节目发送到所述用户端信息对应的用户 端机顶盒；
所述用户端机顶盒内置智能卡， 所述智能卡号码为用户端信息。
9、 根据权利要求 8所述的系统， 其特征在于， 所述注册短信还包括服务 组信息和校验码，所述点播服务器通过所述服务组信息对应的网络节点将发送 视频节目； 所述校验码用于验证所述发送端标识信息、所述用户端信息和所述 服务组信息。
10、 一种视频点播方法， 其特征在于， 包括：
在短信中输入发送端标识信息和视频点播信息；
发送界面在所述短信中自动生成用户端信息， 并发送至视频点播中心； 视频点播中心将所述视频点播信息对应的视频节目发送到所述用户端信 息对应的用户端。
11、 根据权利要求 10所述的方法， 其特征在于， 还包括： 所述发送界面 在所述短信中自动生成服务组信息，所述视频点播中心通过所述服务组信息对 应的网络节点将发送视频节目。
12、 根据权利要求 11所述的方法， 其特征在于， 还包括： 所述发送界面 在所述短信中自动生成校验码， 所述校验码用于验证所述发送端标识信息、所 述用户端信息和所述 Λ良务组信息。
13、 根据权利要求 10、 11或 12所述的方法， 其特征在于， 所述发送端标 识信息为用户手机号码； 所述用户端信息为用户端机顶盒智能卡号。
PCT/CN2007/070906 2006-10-19 2007-10-16 Procédé et système de vidéo-sur-demande (vod) WO2008046353A1 (fr)

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