WO2011029288A1

WO2011029288A1 - Video-on-demand method and set-top-box based on bidirectional digital transmission network

Info

Publication number: WO2011029288A1
Application number: PCT/CN2010/070158
Authority: WO
Inventors: 刘汉军; 陈廷雯
Original assignee: 深圳市同洲电子股份有限公司
Priority date: 2009-09-11
Filing date: 2010-01-13
Publication date: 2011-03-17
Also published as: CN101668179A; CN101668179B

Abstract

A video-on-demand method and a set-top-box are provided based on bidirectional digital transmission network. The method includes: an embedded browser module receiving an on-demand switch command input by a user, acquiring a webpage of a listing of programs from a server, overlapping and displaying the webpage in a video program currently played on the full screen; the embedded browser module receiving a program on-demand instruction input by the user through the webpage, sending an on-demand request to the server; the embedded browser module acquiring the video stream that is pushed by the server according to the on-demand request; a playing module stopping the currently played video program on the full screen after receiving the video stream, and playing the video stream that is transmitted by the embedded browser module.

Description

Video on demand method based on Hanxiang digital transmission network and set top box

This application claims priority to Chinese Patent Application No. 200910170773.3, entitled "Video on Demand Method Based on Two-Way Digital Transmission Network and Set Top Box", filed on September 11, 2009, the entire contents of which are incorporated by reference. In this application.

Technical field

The present invention relates to video on demand technology, and more particularly to a video on demand method and a set top box based on a two-way digital transmission network.

Background technique

With the continuous development of modern digital TV technology, IPTV (Internet Protocol Television) technology is becoming more and more mature, and in the video on demand based on two-way digital transmission network, the embedded browser technology is increasingly used to enable people to pass the set-top box. You can watch video programs or browse the web. The set-top box using the embedded browser technology for video on demand includes a play module and an embedded browser module. It is assumed that the play module is currently playing a full-screen video program, and if the current full-screen video program needs to be switched to the on-demand video program, the implementation thereof The process is shown in Figure 1, and includes the following steps:

Step 101: The user sends an on-demand switching command to the playing module by using a remote controller button.

The playing module is connected to the infrared receiving head in the set top box; the set top box stores a correspondence between the button command of the remote controller and each command, wherein each command includes an on-demand switching command; and the infrared receiving head receives the sending by the remote controller. The button command searches for a command corresponding to the button command according to the corresponding relationship, and transmits the command to the play module.

Step 102: The playing module stops the video program currently playing in full screen, and sends an on-demand switching command to the embedded browser module.

The currently playing video program is stopped, and the TV connected to the playback module is displayed as a black screen.

Step 103: After receiving the on-demand switching command sent by the playing module, the embedded browser module acquires a webpage about the program list from the server, and displays a webpage about the program list.

Step 104: The embedded browser module receives a program-on-demand instruction input by the user through the webpage, where the program-on-demand instruction includes video program information selected by the user from a webpage about the program listing.

Step 105: The embedded browser module sends an on-demand request to the server, where the on-demand request is included Contains selected video program information.

Step 106: The server pushes the video stream to the embedded browser module according to the received on-demand switching command.

The server stores the video program for playing to the set top box in a certain order. After receiving the on-demand switching command, the server pushes the video stream of the on-demand video program to the embedded browser module. The on-demand video program may be the last video program or the next video program selected by the user in the step 104 by the web page regarding the program list adjacent to the currently played video program, or may be the program selected through the web page regarding the program list. Any other video program included in the list.

Step 107: The embedded browser module acquires a video stream that is sent by the server according to the on-demand request, and transmits the video stream to the playing module, and the playing module plays the video stream in full screen.

In summary, when the existing video on demand scheme is needed, when the video program needs to be switched, the playing module first stops the current full-screen playing video program, and switches from the video playing state to the webpage about the program list displayed by the embedded browser module, and then passes The embedded browser module obtains the requested video stream from the server, and finally plays the obtained video stream in full screen. The full screen switching process of the video program takes a long time, that is, it takes a long time from the stop of the current full-screen video program to the full-screen playback of the user-selected video program.

Summary of the invention

The invention provides a video on demand method based on a two-way digital transmission network, which can reduce the time of full screen switching.

The present invention provides a set top box capable of reducing the time of full screen switching.

A video on demand method based on a two-way digital transmission network, the method comprising:

The embedded browser module receives a request for input by the user to select an on-demand switching command of the video program stored in the on-demand server, and the embedded browser module acquires a webpage about the program list from the server, and superimposes the webpage in the currently full-screen video program. ;

The embedded browser module receives a program-on-demand instruction input by the user through the webpage, and the program-on-demand instruction includes video program information selected by the user from a webpage regarding the program list;

The embedded browser sends an on-demand request containing the selected video program information to the server; the embedded browser module acquires the video stream that the server pushes according to the on-demand request, and transmits the video stream to the play module; After receiving the video stream transmitted by the embedded browser module, the playing module stops the current full-screen playing video program, and plays the received video stream transmitted by the embedded browser module.

A set top box, the set top box includes an embedded browser module and a play module, and the embedded browser module is connected to the infrared receiving head;

The embedded browser module is configured to receive, by the infrared receiving head, a request for input by the user to select an on-demand switching command of the video program stored in the on-demand server, and the embedded browser module acquires a webpage about the program list from the server, and plays the current full screen. The webpage is superimposed and displayed in the video program, and receives a program-on-demand instruction input by the user through the webpage, where the program-on-demand instruction includes video program information selected by the user from a webpage about the program list; and the embedded browser sends the content to the server. The on-demand request of the selected video program information is obtained, and the video stream that is sent by the server according to the on-demand request is transmitted to the play module;

The playing module is configured to receive a video stream transmitted by the embedded browser module, stop the currently full-screen video program, and play the received video stream transmitted by the embedded browser module in full screen.

As can be seen from the foregoing solution, in the video on demand solution of the present invention, when the video program switching needs to be performed, the embedded browser module receives the on-demand switching command input by the user, and when the on-demand switching command is requested to be selected in the on-demand server. In the video program, the embedded browser module obtains a webpage about the program list from the server, superimposes the webpage in the currently full-screen video program, and receives a program-on-demand instruction input by the user through the webpage, and the program-on-demand instruction includes The video program information selected by the user from the web page of the program list; the embedded browser sends an on-demand request containing the selected video program information to the server, and the video stream that the server pushes according to the on-demand request containing the selected video program information is obtained. The broadcast module transmits the video stream transmitted by the embedded browser module, stops the current full-screen video program, and plays the received video stream transmitted by the embedded browser module. In this way, after the user inputs the on-demand switching command, the playing module does not need to immediately stop the current full-screen playing video program, and after the playing module receives the video stream transmitted by the embedded browser, the current full-screen playing video program is stopped, and the full-screen playback is immediately received. The incoming video stream, thereby reducing the time for full-screen switching, that is, reducing the time taken to stop the current full-screen playback of the video program to the full-screen playback of the user-selected video program.

DRAWINGS

1 is an example of a flow chart of a video on demand method based on a two-way digital transmission network in the prior art; 2 is an exemplary flowchart of a video on demand method based on a two-way digital transmission network according to the present invention; FIG. 3 is a flowchart of a video on demand method based on a two-way digital transmission network according to the present invention; FIG. 4 is a video on demand based on a two-way digital transmission network according to the present invention; Schematic diagram of the structure of the set top box. detailed description

In order to make the objects, the technical solutions and the advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the embodiments and drawings.

In the process of playing a video program in full screen, if the video program switching needs to be performed, the embedded browser module receives the on-demand switching command input by the user, instead of receiving the on-demand switching command input by the user by the playing module as in the prior art. After receiving the on-demand switching command, the embedded browser module obtains the video program requested by the user from the server and transmits the video program to the playing module. In the process, the playing module does not need to stop the current full-screen playing video program, but receives the embedded in the playing module. After the video stream transmitted by the browser, the currently played video program is stopped, and the received video stream is immediately played in full screen, thus reducing the time for full screen switching. The video on-demand method based on the two-way digital transmission network of the present invention is specifically described below through FIG. 2, and the method includes the following steps:

Step 201: The embedded browser module receives an on-demand switching command input by the user.

The on-demand switching command is to request to select a video program stored in the on-demand server, and the video program for the user to order is stored in a certain order in the server, and the user can select a certain video program for playing.

In this step, the user can send an on-demand switching command to the embedded browser module through the remote control button. The embedded browser module is connected to the infrared receiving head in the set top box; the set top box stores a correspondence between the button command of the remote controller and each command, wherein each command includes an on-demand switching command; and the infrared receiving head receives the remote control The button command sent by the device finds that the command corresponding to the button command is an on-demand switching command according to the corresponding relationship, and then transmits the command to the embedded browser module.

Step 202: After receiving the on-demand switching command, the embedded browser module acquires a webpage about the program list from the server, and superimposes the webpage in the currently full-screen video program.

When this step is implemented, the embedded browser module can execute JavaScript instructions and use the ajax (Asynchronous JavaScript And XML) technology to request a web page about the program list from the server. Among them, Ajax is a technology that uses JavaScript and Extensible Markup Language to transfer and receive data between a web browser and a server. Its advantages are reflected in the browser, This technology locally updates the data, partially refreshes the data, and does not require reloading the page. For web pages that use ajax technology, content can be dynamically modified for web page data, such as adding nodes, modifying node locations, deleting nodes, and so on. With ajax technology, the server can add video control information to the web page about the program listing. The video control information will be described in detail later. The web page for obtaining the program list from the server is prior art and will not be described here.

The current video program is displayed in full screen. In this step, the video displayed in full screen is used as a background, and a small portion of the video displayed on the full screen is superimposed to display the webpage about the program list, so that the user watches the current video program. , you can also browse the web at the same time. Superimposing the webpage in the currently playing video is an existing technology, and will not be described here.

Step 203: The embedded browser module receives a program-on-demand instruction input by the user through the webpage, where the program-on-demand instruction includes video program information selected by the user from a webpage about the program list.

A list of video programs stored by the server is displayed on the web page of the program list, and the user selects the requested video program information from the list via the remote controller button.

Step 204: The embedded browser sends an on-demand request including the selected video program information to the server.

Step 205: The embedded browser module acquires a video stream that is sent by the server according to the on-demand request that includes the selected video program information, and transmits the video stream to the playing module.

The server pushes the video stream to the embedded browser module according to the received on-demand switching command, where the video stream may be a video program selected by the user in the step 203 adjacent to the currently played video program by using the webpage about the program list, that is, current The previous video program or the next video program adjacent to the played video program; or any other video program included in the program list selected by the web page regarding the program list.

Step 206: After receiving the video stream transmitted by the embedded browser module, the playing module stops the currently full-screen playing video program, and plays the received video stream transmitted by the embedded browser module.

In this way, the playback module stops the currently played video program after receiving the video stream transmitted by the embedded browser, thereby reducing the time for switching the video program in full screen.

During the playing of the video program, a video control operation may also be performed on the video program being played, and the video control operations include operations such as fast forward, fast rewind, volume increase, volume reduction, and the like. In the prior art, a method for performing a video control operation on a video program being played is: First, the user sends a video operation command to the playback module through the remote control button.

The playing module is connected to the infrared receiving head in the set top box; the set top box stores a correspondence between the button command of the remote controller and each command, wherein each command includes an on-demand switching command; and the infrared receiving head receives the sending by the remote controller. The button command searches for a command corresponding to the button command according to the corresponding relationship, and transmits the command to the play module. In this embodiment, the searched command is a video operation command, and the video operation command may be: a fast forward control command input through a "fast forward" button on the remote controller, and input through a "rewind" button on the remote controller. Rewind control command; Increase the volume control command via the "Volume Up" button on the remote control, and decrease the volume control command via the "Volume Down" button on the remote control.

Then, the playing module performs a video control operation on the video program currently playing in full screen according to the received video control command.

In the present invention, the video control operation of the video program being played can be realized by directly inputting a video control command to the playing module; in this case, after receiving the button command sent by the remote controller through the infrared receiving head, if the button is pressed according to the button The corresponding relationship between the command and each command determines that the button command is a video control command, and the video control command is directly transmitted to the play module; the implementation method is similar to the prior art solution described above.

Further, the present invention further provides a method for performing a video control operation on a video program being played by the embedded browser module and the playing module. At this time, in addition to the program list, the web page about the program list further includes The video control information includes fast forward control information, fast reverse control information, increased volume control information, reduced volume control information, and the like. The video control operation is described by taking the flow of FIG. 2 as an example. The webpage about the program list displayed in step 202 of FIG. 2 includes video control information, and if the embedded browser module receives the video control information of the user through the webpage. The input video control command transmits the video control command to the play module by the embedded browser module; the play module performs a video control operation on the currently full-screen video program according to the received video control command.

The method wherein the user control information via the video input video control commands on a web page may be: a user control command to select a video input video control information displayed on the web page through a remote controller, for example, ^"Λ" on the remote control by , "ν", "<", ">" and other buttons to select a video control information on the web page to achieve the input of a video control command. When implemented, web developers can pass The JavaScript scripting language logically controls the video control commands. When the user selects the video control information displayed on the webpage through the remote controller, the embedded browser module parses the video control commands into corresponding video control commands. This step can be implemented based on the existing web browsing technology, and will not be described here.

2 is a method for performing video program switching when a user-input on-demand switching command requests to select a video program stored in an on-demand server, and the video program requested by the user may be any video program stored in the server. Further, when the video program requested by the user is a video program stored in the server adjacent to the currently played video program, the present invention may also implement the switching of the video program by using the flow shown in FIG. 3, and the process of FIG. 3 includes The following steps:

Step 301: The embedded browser module receives a play control command input by the user.

The embedded browser module is connected to the infrared receiving head in the set top box; the set top box stores a correspondence between the button command of the remote controller and each command, wherein each command includes a play control command; and the infrared receiving head receives the remote control The button command sent by the device finds that the command corresponding to the button command is a play control command according to the corresponding relationship, and then transmits the command to the embedded browser module.

The playback control command in this step is a video program stored in the requesting on-demand server adjacent to the currently played video program, and the user can send the playback control command to the embedded browser module through a remote controller button, for example, by using a remote controller. function keys ^"Λ" play input to the embedded browser module control command is: requesting the video program currently playing on a neighboring video on demand server stored; via the function keys on the remote control "V" to The play control command input by the embedded browser module is: requesting the next video program stored in the on-demand server adjacent to the currently played video program.

Step 302: The embedded browser module sends the play control command to the server.

Step 303: The embedded browser module acquires a video stream that is pushed by the server according to the play control command.

The server pushes the video stream to the embedded browser module according to the received playback control command. The server stores the video program for playing to the set top box in a certain order. If the step 301 inputs the play control command to the play module through the function key " ^Λ " on the remote controller, in this step, after the server receives the play control command, Pushing the stored video stream of the previous video program adjacent to the currently played video program to the embedded browser module; if step 301 inputs a play control command to the play module through the function key "V" on the remote controller, In the step, after receiving the play control command, the server pushes the stored video stream of the next video program adjacent to the currently played video program to the embedded browser module. Piece.

Step 304: The embedded browser module transmits the received video stream to the play module.

Step 305: After receiving the video stream transmitted by the embedded browser module, the playing module stops the currently playing video program, and plays the received video stream transmitted by the embedded browser module in full screen.

The method shown in FIG. 3 is used to switch the video program. After the user inputs the play control command, the embedded browser module and the on-demand module can automatically complete the switching of the video program without displaying the web page about the program list to the user, without requiring the user to The desired video program information is selected in the web page, thereby further improving the switching speed.

It should be noted that the video on demand according to the present invention includes on-demand broadcasting of a television program, on-demand broadcasting with respect to a karaoke, and the like.

4 is a schematic structural diagram of a video on demand set top box based on a two-way digital transmission network according to the present invention, the set top box includes an embedded browser module and a play module, and the embedded browser module is connected to an infrared receiver;

Optionally, the embedded browser module includes an on-demand switching command receiving sub-module, a program list obtaining sub-module, an on-demand request sending sub-module, a webpage display sub-module, and a video stream acquiring sub-module; and the on-demand switching command receiving sub-module And sending, by the infrared receiving head, an on-demand switching command input by the user, and sending a startup command to the program list obtaining sub-module;

The program list obtaining sub-module is configured to receive a start command sent by the on-demand switching command receiving sub-module, obtain a webpage about the program list from the server, and transmit the webpage to the webpage display sub-module; The webpage display sub-module is configured to receive a webpage about the program list transmitted by the program list acquisition sub-module, and display the webpage superimposed on the currently full-screen video;

The on-demand request sending sub-module is configured to receive, by the infrared receiving head, a program-on-demand instruction input by the user through the webpage, where the program-on-demand instruction includes video program information selected by the user from the webpage of the program list, and sends the program information to the server, including An on-demand request of the selected video program information, and sending a start command to the video stream acquisition sub-module;

The video stream obtaining sub-module is configured to receive a start command sent by the on-demand request sending sub-module, and obtain a video stream that is sent by the server according to the on-demand request including the selected video program information, and send the video stream to the playing module to perform full-screen Play.

Optionally, the embedded browser module further includes a play control command sending submodule, configured to receive, by using an infrared receiving header, a play of a video program stored in the requesting on-demand server input by the user and adjacent to the currently played video program. Controlling the command, sending the play control command to the server, and sending a start command to the video stream acquisition submodule;

The video stream obtaining sub-module is further configured to receive a start command sent by the play control command sending sub-module, and obtain a video stream of a video program that is sent by the server according to the play control command and adjacent to the currently played video program, and send the video stream to the video program that is sent by the server according to the play control command. The play module.

Optionally, the webpage about the program list includes video control information, the embedded browser module further includes a video control command processing sub-module, and the video control command processing sub-module is connected to the infrared receiving head, where the playing The module further includes a video control operation sub-module;

The video control command processing submodule is configured to receive, by the infrared receiving head, a video control command input by the user through the video control information in the webpage, and transmit the video control command to the video control operation submodule;

The video control operation submodule is configured to perform a video control operation on a video program currently playing in full screen according to the received video control command.

The above described specific embodiments of the present invention are further described in detail, and it is to be understood that the foregoing description is only The scope of the protection, any modifications, equivalents, improvements, etc., made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

Rights request

A video on demand method based on a two-way digital transmission network, characterized in that the method comprises:

The embedded browser sends an on-demand request containing the selected video program information to the server; the embedded browser module acquires the video stream that the server pushes according to the on-demand request, and transmits the video stream to the play module;

After receiving the video stream transmitted by the embedded browser module, the playback module stops the currently full-screen video program and plays the received video stream transmitted by the embedded browser module.

The method according to claim 1, wherein after the video module receives the video stream transmitted by the embedded browser module, the method further includes:

The embedded browser module receives a playback control command of the video program stored in the requested on-demand server and adjacent to the currently played video program;

The embedded browser module sends a play control command to the server;

The embedded browser module obtains a video stream of the video program that is pushed by the server according to the play control command and is adjacent to the currently played video program, and transmits the video stream to the play module;

After receiving the video stream transmitted by the embedded browser module, the playing module stops the currently full-screen video program, and plays the received video stream transmitted by the embedded browser module in full screen.

The method of claim 1, wherein the webpage about the program listing includes video control information, the method further comprising:

The embedded browser module receives a video control command input by the user through the video control information; the embedded browser module transmits the video control command to the play module;

The playing module performs a video control operation on the currently full-screen played video program according to the received video control command.

4. The method of claim 3, wherein the video control information comprises fast forward Control information, rewind control information, increase volume control information, or reduce volume control information.

5. The method according to claim 1, wherein the displaying the webpage in a superimposed video program of the full screen comprises:

The web page is superimposed on the full screen displayed video with the current full screen displayed video as the background.

A set top box, comprising: an embedded browser module and a play module, wherein the embedded browser module is connected to an infrared receiving head;

The set-top box according to claim 6, wherein the embedded browser module comprises an on-demand switching command receiving sub-module, a program list obtaining sub-module, an on-demand request sending sub-module, a webpage display sub-module, and a video stream acquisition. Submodule

The on-demand switching command receiving sub-module is configured to receive an on-demand switching command input by the user through the infrared receiving head, and send a start command to the program list obtaining sub-module;

The program list obtaining submodule is configured to receive a start command sent by the on-demand switching command receiving sub-module, obtain a webpage about the program list from the server, and transmit the webpage to the webpage display sub-module;

The webpage display sub-module is configured to receive a webpage about the program list transmitted by the program list acquisition sub-module, and superimpose the webpage on the current full-screen video;

The on-demand request sending sub-module is configured to receive, by the infrared receiving head, a program-on-demand instruction input by the user through the webpage, where the program-on-demand instruction includes video program information selected by the user from the webpage of the program list, and sends the program information to the server, including An on-demand request for selected video program information, and to the The video stream acquisition submodule sends a start command;

The set-top box according to claim 7, wherein the embedded browser module further comprises a play control command sending sub-module, configured to receive, by the infrared receiving head, the user-entered request-on-demand server and the current a play control command of the video program adjacent to the played video program, sending the play control command to the server, and sending a start command to the video stream acquisition submodule;

The set top box according to claim 7, wherein the webpage about the program list includes video control information, the embedded browser module further includes a video control command processing submodule, and the video control command processing The submodule is connected to the infrared receiving head, and the playing module further includes a video control operation submodule;

The set top box according to claim 9, wherein the video control information comprises fast forward control information, fast reverse control information, increased volume control information, or reduced volume control information.