WO2015035742A1

WO2015035742A1 - Method, terminal and system for audio and video sharing of digital television

Info

Publication number: WO2015035742A1
Application number: PCT/CN2014/070511
Authority: WO
Inventors: 梁敏; 王晓晖
Original assignee: 深圳市创维软件有限公司; 深圳创维数字技术股份有限公司
Priority date: 2013-09-11
Filing date: 2014-01-13
Publication date: 2015-03-19
Also published as: CN103491431A

Abstract

An embodiment of the present invention discloses a method for audio and video sharing of a digital television. The method comprises: converting a digital television signal into a stream media file; converting a digital television signal into a stream media file; generating a program list according to the stream media file, the program list comprising an stream media file identification of at least one stream media file; sending the program list to a mobile terminal; obtaining a target stream media file identification selected by the mobile terminal according to the program list; and sending a corresponding target stream media file according to the target stream media file identification selected by the mobile terminal. Embodiments of the present invention also disclose a digital television receiving terminal and a system for audio and video sharing of a digital television. In the present invention, an HTTP server can be configured at a digital television receiving terminal, it can be effectively achieved that a mobile terminal shares the audio and the video of the digital television, and the cost is low, and operations are simple.

Description

Audio and video sharing method, terminal and system for digital television

The present invention relates to the field of digital televisions, and in particular, to an audio and video sharing method, terminal and system for digital television. Background technique

Multi-screen interaction refers to multimedia (audio, video, picture) content on different multimedia terminals via Wi-Fi (Wireless Fidelity, a wireless LAN technology based on IEEE802.il standard) A series of operations such as transmission, parsing, display, and control can share presentation content on different platform devices simultaneously.

The implementation of multi-screen interaction requires streaming media technology, and HLS (Http Live Streaming, HTTP real-time streaming, an HTTP-based streaming media network transport protocol) works by dividing the entire stream into small HTTP-based (Hyper Text Transfer). Protocol, Hypertext Transfer Protocol) files to download, only download some at a time. While the media stream is playing, the client can choose to download the same resources at different rates from many different alternate sources, allowing the streaming session to adapt to different data rates. When starting a streaming session, the client downloads an extended M3U (m3u8) playlist (Extended M3U (m3u8) Playlist) file containing the source data for finding available media streams. In the prior art, multimedia content sharing between smart mobile devices is generally implemented, and audio and video sharing of digital television by smart mobile devices cannot be realized. Summary of the invention

The technical problem to be solved by the embodiments of the present invention is to provide an audio and video sharing method, a terminal and a system for a digital television, and an HTTP server can be configured in the digital television receiving terminal, thereby effectively realizing the audio and video sharing of the digital television by the mobile terminal, and the cost Low cost and easy to operate.

In order to solve the above technical problem, an embodiment of the present invention provides a method for sharing audio and video of a digital television, including:

Converting a digital television signal into a streaming media file; Generating a program list according to the streaming media file, wherein the program list includes a streaming media file identifier of at least one streaming media file;

Sending the program list to the mobile terminal;

Obtaining a target streaming media file identifier selected by the mobile terminal according to the program list; and transmitting a corresponding target streaming media file according to the target streaming media file identifier selected by the mobile terminal.

Further, converting the digital television signal into a streaming media file includes:

Performing descrambling processing on the digital television signal;

Converting the descrambled digital television signal into a streaming media file.

Further, before the sending the program list to the mobile terminal, the method further includes:

Configure the HTTP server;

The sending the program list to the mobile terminal includes:

And obtaining, by the HTTP server, a web access request of the mobile terminal to the program list page, and sending, by the HTTP server, the program list in the program list page to the mobile terminal.

Further, the obtaining, by the mobile terminal, the target streaming media file identifier selected according to the program list comprises:

Obtaining, by the HTTP server, a download streaming media file instruction sent by the mobile terminal according to the program list, where the download streaming media file instruction includes the target streaming media file identifier.

Correspondingly, the embodiment of the present invention further provides a digital television receiving terminal, including: a streaming media file conversion module, configured to convert a digital television signal into a streaming media file; and a program list generating module, configured to use the streaming media file according to the streaming media file The conversion module generates a program list by converting the digital television signal into a streaming media file, where the program list includes a streaming media file identifier of the at least one streaming media file;

a program list sending module, configured to send the program list generated by the program list generating module to the mobile terminal;

a target streaming media file identifier obtaining module, configured to acquire a target streaming media file identifier selected by the mobile terminal according to the program list sent by the program list sending module;

a target streaming media file sending module, configured to obtain, according to the target streaming media file identifier acquiring module The target streaming media file identifier is sent to send the corresponding target streaming media file.

Further, the streaming media file conversion module includes:

a digital television signal descrambling unit, configured to perform descrambling processing on the digital television signal; and a streaming media file converting unit, configured to convert the digital television signal descrambled by the digital television signal descrambling unit into a streaming media file .

Further, the digital television receiving terminal further includes:

a server configuration module for configuring an HTTP server;

The program list sending module includes:

An access request obtaining unit, configured to obtain, according to the HTTP server configured by the server configuration module, a web access request of the mobile terminal to a program list page;

And a program list sending unit, configured to send, according to the web access request of the mobile terminal to the program list page acquired by the access request acquiring unit, the program list in the program list page to be sent to the mobile terminal by using the HTTP server.

Further, the target streaming media file identifier obtaining module is configured to:

Obtaining, by the HTTP server, a download streaming media file instruction sent by the mobile terminal according to the program list sent by the program list sending module, wherein the download streaming media file instruction includes the target streaming media file identifier.

Correspondingly, an embodiment of the present invention further provides an audio and video sharing system for a digital television, wherein the system includes at least a digital television receiving terminal and a mobile terminal, where:

The digital television receiving terminal is configured to convert the digital television signal into a streaming media file; generate a program list according to the streaming media file; send the program list to the mobile terminal; and obtain, according to the program list, the mobile terminal a target streaming media file identifier; sending a corresponding target streaming media file according to the target streaming media file identifier selected by the mobile terminal;

The mobile terminal is configured to receive a program list sent by the digital television receiving terminal; select a target streaming media file identifier according to the program list; and send the selected target streaming media file identifier to enable the digital television receiving terminal And sending a corresponding target streaming media file determined according to the target streaming media file identifier; and receiving a corresponding target streaming media file determined by the digital television receiving terminal according to the target streaming media file identifier.

The embodiments of the present invention have the following beneficial effects: The digital television signal is used in the embodiment of the present invention. Converted to a streaming media file and a list of programs generated from the streaming media file. The web server configured in the digital television receiving terminal obtains a web access request of the mobile terminal to the program list page, and further sends the program list in the program list page to the mobile terminal through the HTTP server. Then, the downloading streaming media file instruction sent by the mobile terminal according to the program list is obtained by the HTTP server, and the downloaded streaming media file instruction includes the target streaming media file identifier, thereby transmitting the corresponding target streaming media file. Therefore, the embodiment of the present invention can configure an HTTP server in the digital television receiving terminal, effectively implementing the audio and video sharing of the digital television by the mobile terminal, and the cost is low and the operation is simple. DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a flowchart of a method for sharing audio and video of a digital television according to an embodiment of the present invention; FIG. 2 is a flowchart of another method for sharing audio and video of a digital television according to an embodiment of the present invention; A flowchart of an audio and video sharing method of another digital television; FIG. 4 is a structural diagram of a digital television receiving terminal according to an embodiment of the present invention;

FIG. 5 is a structural diagram of a streaming media file conversion module of FIG. 4 according to an embodiment of the present invention; FIG.

6 is a structural diagram of a program list sending module of FIG. 4 according to an embodiment of the present invention;

7 is a structural diagram of a mobile terminal in an embodiment of the present invention;

Figure 8 is a structural diagram of the program list receiving module of Figure 7 in the embodiment of the present invention. detailed description

BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without the creative work are all within the scope of the present invention.

The invention provides an audio and video sharing method, terminal and system for digital television, which can be digitally Depending on the receiving terminal, the HTTP server is configured to effectively share the audio and video of the digital TV, and the operation is simple. The mobile terminal needs to install a smart operating system and install a browser or player for watching digital television programs. . The details are described below separately.

FIG. 1 is a flowchart of a method for sharing audio and video of a digital television according to an embodiment of the present invention. The embodiment of the present invention implements an audio and video sharing scheme for digital television through HLS streaming media technology.

The method of the present invention as illustrated includes at least:

Step S101: Convert the digital television signal into a streaming media file.

In a specific implementation, since the digital television signal received by the digital television receiving terminal cannot be directly used for the HLS streaming media, the digital television receiving terminal may first convert the digital television signal into a streaming media file. Further, the digital television signal is often scrambled, and the digital television receiving terminal may first perform descrambling processing on the received digital television signal, and then convert the descrambled digital television signal into a data format required by the HLS streaming media. , that is, streaming media files.

Step S102: Generate a program list according to the streaming media file.

After converting the digital television signal to a streaming media file, a program listing is generated based on the streaming media file, wherein the program listing includes a streaming media file identification of the at least one streaming media file. Streaming media refers to a technology and process of compressing a series of media data and transmitting data through a network segment to transmit audio and video in real time on the network for viewing. The digital television receiving terminal can separately divide the converted streaming media files. The segment is saved as multiple streaming subfiles required by HLS. And the plurality of streaming media subfiles saved in the segment are corresponding to the subfile identifiers, so that the m3u8 index file corresponding to the same streaming media file is obtained, so that after the mobile terminal receives the target streaming media file, the mobile terminal implements the corresponding m3u8 index file. Audio and video sharing of digital television. Further, the subsequent digital television receiving terminal can update the m3u8 index file and the program list by converting the obtained streaming media file and the segmented saved streaming media subfile.

As an optional implementation manner, the digital television receiving terminal may store the converted streaming media file in a memory of the digital television receiving terminal, and add a time identifier to the segmented saved streaming media subfile. When the data volume of the stored streaming media subfile reaches a preset threshold of the memory capacity of the digital television receiving terminal, the streaming media subfile with the longest interval between the current time interval may be deleted according to the time identifier, and according to the current in-memory stream. The media file and the segmented saved streaming subfile update the corresponding m3u8 index file and program list. In this mode, the streaming media file is stored to the end of the digital television reception. In the memory of the end, no additional storage devices are required, and the reading and writing speed is fast.

As an optional implementation manner, the digital television receiving terminal can store the converted streaming media file to an external mobile storage device or an internal hard disk. Compared with storing the converted streaming media data into the memory of the digital television receiving terminal, the method of storing to the external mobile storage device or the internal hard disk has less memory consumption, and the memory configuration requirement of the digital television receiving terminal is lower; the external mobile storage device Or the built-in hard disk has a large storage capacity, and can store a large number of streaming media files, and supports long-time recording and live broadcast.

Step S103: Send the program list to the mobile terminal.

The current program listing is transmitted to the mobile terminal to cause the mobile terminal to select the target streaming media file identification based on the program listing.

Before sending the program list to the mobile terminal, the HTTP server can be configured, that is, the HTTP server is set up at the digital television receiving terminal. Then, according to the HTTP server, the web access request of the mobile terminal to the program list page is obtained, and the program list in the program list page is sent to the mobile terminal by the HTTP server, where the program list page refers to the digital TV receiving terminal through the preset HTTP server. A page that presents the current program listing in the form of a web page.

Before the HTTP server provides the HTTP service, the digital television receiving terminal can be connected to the home wireless network or the digital television receiving terminal itself can provide wireless Wi-Fi (Wireless Fidelity, a wireless LAN based on the IEEE802.il standard). The technology) signal, and then the mobile terminal accesses the digital television receiving terminal via Wi-Fi. The digital television receiving terminal is connected to the home wireless network, and the digital television receiving terminal can access the home wireless routing device through the Ethernet interface, so that the mobile terminal accesses the digital television receiving terminal through the Wi-Fi, and does not require the digital television receiving terminal to provide the wireless itself. The network reduces the deployment cost of the digital television receiving terminal; the digital television receiving terminal itself provides a wireless Wi-Fi signal, and the mobile terminal directly accesses the digital television receiving terminal, and the wireless Wi-Fi signal provided by the terminal itself through the digital television can be The impact of the home network environment.

The HTTP service provided by the HTTP server may include a web service for browsing the mobile terminal and an HLS streaming download service. If the HTTP service provided by the digital television receiving terminal is a web service provided to the mobile terminal for browsing, that is, the digital television receiving terminal provides the program list to the mobile terminal in the form of a web page; if the HTTP service provided by the digital television receiving terminal is an HLS stream The media download service, that is, the HLS streaming media is sent through the HTTP file transfer protocol. Among them HLS streaming media Includes target streaming media files and corresponding m3u8 index files.

The embodiment of the present invention can implement an HTTP server in a digital television receiving terminal instead of deploying a dedicated server in the front end of the digital television, and the implementation cost is low.

The program list may include a live list and a recorded list. The currently played digital television program to be stored in the live broadcast list is provided to the mobile terminal in the form of a list; the digital television program not to be currently stored in the recording list is provided to the mobile terminal in the form of a list. In the manner of storing the converted streaming media file in the memory of the digital television receiving terminal, the current program list may only include the live broadcast list.

Step S104: Obtain a target streaming media file identifier selected by the mobile terminal according to the program list.

After the program list is sent to the mobile terminal, the downloading streaming media file instruction sent by the mobile terminal according to the program list may be obtained by the HTTP server, where the download streaming media file instruction includes the target streaming media file identifier.

Step S105: Send a corresponding target streaming media file according to the target streaming media file identifier selected by the mobile terminal.

Sending, according to the target streaming media file identifier sent by the mobile terminal, the corresponding target streaming media file to the mobile terminal, so that the mobile terminal directly views the digital television program through the player or the browser, and when the target streaming media file is sent, carrying the corresponding M3u8 index file.

In the audio-video sharing method of the digital television described in Fig. 1, the digital television signal is converted into a streaming media file, and a program list is generated based on the streaming media file. The web server configured in the digital television receiving terminal obtains a web access request of the mobile terminal to the program list page, and further sends the program list in the program list page to the mobile terminal through the HTTP server. Then, the downloading streaming media file command sent by the mobile terminal according to the program list is obtained through the HTTP server, and the downloaded streaming media file instruction includes the target streaming media file identifier, thereby transmitting the corresponding target streaming media file. Therefore, the embodiment of the present invention can configure an HTTP server in the digital television receiving terminal to effectively realize the audio and video sharing of the digital television by the mobile terminal, and the cost is low and the operation is simple.

2 is a flow chart of another method for sharing audio and video of a digital television according to an embodiment of the present invention, wherein the sensor data transmission method shown in FIG. 2 is mainly described from the perspective of a mobile terminal. As shown in FIG. 2, the audio and video sharing method of the digital television may include the following steps: Step S201: Receive a program list sent by the digital television receiving terminal.

Receiving a program list transmitted by the digital television receiving terminal, wherein the program list includes at least one streaming media file identifier of the streaming media file. The digital television receiving terminal can store the converted streaming media file to the memory of the digital television receiving terminal, an external mobile storage device or an internal hard disk. If the digital television receiving terminal stores the converted streaming media file in the memory of the digital television receiving terminal, the program list may only include the live broadcast list; if the digital television receiving terminal stores the converted streaming media file to the external mobile storage device or With a built-in hard disk, the program list can include a live list and a recorded list.

In a specific implementation, the mobile terminal sends a web access request to the program list page to the HTTP server preset in the digital television receiving terminal, where the program list page refers to the digital television receiving terminal using the preset HTTP server to list the program as a web. The page rendered in the form of a page.

There are two ways to send a web access request to a program listing page:

1. Access the web page that comes with the digital TV receiving terminal. The web page provided by the digital television receiving terminal is accessed by using its own browser, wherein the digital television receiving terminal provides the program list to the mobile terminal in the form of a web page, and thus can receive the program list transmitted by the digital television receiving terminal. In this way, you can access the list without installing additional smart applications.

Second, use the appropriate application. The program list provided by the digital television receiving terminal can be directly obtained by using the corresponding application of the mobile terminal, and the web page address of the digital television receiving terminal can be not input at each access, and the target can be set with a more friendly user interface. The streaming media file is presented to the user.

After transmitting a web access request to the program list page to the HTTP server preset in the digital television receiving terminal, the program list in the program list page transmitted by the preset HTTP server in the digital television receiving terminal is received.

Step S202: Select a target streaming media file identifier according to the program list.

After receiving the program list sent by the digital television receiving terminal, the target streaming media file identifier is selected according to the program list, wherein the target streaming media file identifier includes at least one streaming media file identifier.

Step S203: Send the selected target streaming media file identifier to the digital television receiving terminal.

Sending a download streaming file command to a preset HTTP server in the digital television receiving terminal, wherein the downloading the streaming media file instruction includes the target streaming media file identifier. Step S204: Receive a corresponding target streaming media file determined by the digital television receiving terminal according to the target streaming media file identifier.

Receiving, by the digital television receiving terminal, the corresponding target streaming media file determined according to the target streaming media file identifier, further comprising receiving an m3u8 index file corresponding to the target streaming media file, and viewing the number through a player or a browser TV show.

In the audio and video sharing method of the digital television described in Fig. 2, the mobile terminal does not need to install other software, and as long as the standard browser software is available, the user can watch the digital television program in time while leaving the television. Moreover, a digital television receiving terminal can be used as a media interaction center, and multiple mobile terminals can be simultaneously watched to watch digital television programs.

3 is a flow chart of another method for sharing audio and video of a digital television in an embodiment of the present invention, wherein the configuration regarding the server can be completed at any step before the program list is transmitted. As shown in FIG. 3, the audio and video sharing method of the digital television may include the following steps:

Step S301, configuring the server.

The digital television receiving terminal can configure the HTTP server before sending the program list to the mobile terminal, that is, constructing an HTTP server at the digital television receiving terminal.

Step S302, converting the digital television signal into a streaming media file.

In a specific implementation, the digital television signal received by the digital television receiving terminal cannot be directly used.

HLS streaming media, digital TV receiving terminals can first convert digital TV signals into streaming media files. Further, the digital television signal is often scrambled, and the digital television receiving terminal may first perform descrambling processing on the received digital television signal, and then convert the descrambled digital television signal into a data format required by the HLS streaming media. , that is, streaming media files.

Step S303: Generate a program list according to the streaming media file.

After the digital television receiving terminal converts the digital television signal into a streaming media file, a program list is generated based on the streaming media file, wherein the program listing includes a streaming media file identifier of the at least one streaming media file. Streaming media refers to a technique and process of compressing a series of media data, transmitting data through a network segment, and transmitting audio and video in real time on the network for viewing. The digital television receiving terminal can segment the converted streaming media file. Save as multiple streaming subfiles required by HLS. And the plurality of streaming media subfiles saved in the segment are corresponding to the subfile identifiers, so that the m3u8 index file corresponding to the same streaming media file is obtained, so that the mobile terminal receives the target streaming media file, and implements according to the corresponding m3u8 index file. Audio and video sharing of digital television. Further, the subsequent digital television receiving terminal may update the m3u8 index file and the program list by converting the obtained streaming media file and the segmented saved streaming media subfile.

As an optional implementation manner, the digital television receiving terminal may store the converted streaming media file into the memory of the digital television receiving terminal, and add time identification to the segmented saved streaming media subfile. When the data volume of the stored streaming media subfile reaches a preset threshold of the memory capacity of the digital television receiving terminal, the streaming media sub-file with the longest interval from the current time interval may be deleted in time according to the time identifier. And updating the corresponding m3u8 index file and program list according to the current streaming media file in the memory and the streamed sub-file saved in the segment. In this mode, the streaming media file is stored in the memory of the digital television receiving terminal, no additional storage device is required, and the reading and writing speed is fast.

As an optional implementation manner, the digital television receiving terminal may store the converted streaming media file to an external mobile storage device or an internal hard disk. And update according to the currently saved streaming media file. M3u8 index file and program list. Compared with storing the converted streaming media data into the memory of the digital television receiving terminal, the method of storing to the external mobile storage device or the internal hard disk has less memory consumption, and the memory configuration requirement of the digital television receiving terminal is lower; the external mobile storage device Or the built-in hard disk has a large storage capacity, and can store a large number of streaming media files, and supports long-time recording and live broadcast.

Step S304, sending the program list.

The digital television receiving terminal transmits the current program list to the mobile terminal to cause the mobile terminal to select the target streaming media file identifier based on the program list.

Step S305: Select a target streaming media file identifier according to the program list.

After receiving the program list sent by the digital television receiving terminal, the mobile terminal selects the target streaming media file identifier according to the program list, wherein the target streaming media file identifier includes at least one streaming media file identifier.

Step S306: Send the selected target streaming media file identifier.

The mobile terminal sends a download streaming file command to a preset HTTP server in the digital television receiving terminal, wherein the download streaming media file instruction includes a target streaming media file identifier.

Step S307: Send a corresponding target streaming media file according to the target streaming media file identifier. After receiving the instruction to download the streaming media file, the preset HTTP server received by the digital television receives the corresponding target streaming media file to the mobile terminal according to the target streaming media file identifier, and further includes sending the corresponding target streaming media file. The m3u8 indexes the file to the mobile terminal, so that the mobile terminal directly views the digital television program through the player or the browser.

In the audio-video sharing method of the digital television described in FIG. 3, the digital television receiving terminal converts the digital television signal into a streaming media file, and generates a program list based on the streaming media file. The web server configured in the digital television receiving terminal obtains a web access request of the mobile terminal to the program list page, and further sends the program list in the program list page to the mobile terminal through the HTTP server. And then obtaining, by the HTTP server, the mobile terminal to send according to the program list. The streaming media file instruction, the download streaming media file instruction includes a target streaming media file identifier, thereby transmitting a corresponding target streaming media file. Therefore, embodiments of the present invention can be configured in a digital television receiving terminal

The HTTP server effectively realizes the sharing of audio and video of the digital TV by the mobile terminal, and the cost is low and the operation is simple.

4 is a structural diagram of a digital television receiving terminal in an embodiment of the present invention. As shown in FIG. 4, the digital television receiving terminal may at least include a server configuration module 10, a streaming media file conversion module 20, a program list generation module 30, a program list sending module 40, a target streaming media file identifier obtaining module 50, and a target streaming media. File sending module 60.

The server configuration module 10 is configured to configure an HTTP server.

Before the program list sending module 40 sends the program list to the mobile terminal, the HTTP server can be configured, that is, the HTTP server is set up at the digital television receiving terminal.

Wherein, before the HTTP server provides the HTTP service, the digital television receiving terminal can access the home wireless network or the digital television receiving terminal itself provides the wireless Wi-Fi signal, and then the mobile terminal accesses the digital television receiving terminal through the Wi-Fi. The digital television receiving terminal is connected to the home wireless network, and the digital television receiving terminal can access the home wireless routing device through the Ethernet interface, so that the mobile terminal accesses the digital television receiving terminal through Wi-Fi, and does not require the digital television receiving terminal itself to provide wireless The network reduces the deployment cost of the digital television receiving terminal; the digital television receiving terminal itself provides a wireless Wi-Fi signal, and the mobile terminal directly accesses the digital television receiving terminal, and the wireless Wi-Fi signal provided by the terminal itself through the digital television can be The impact of the home network environment.

The HTTP service provided by the HTTP server may include a web service for browsing the mobile terminal and an HLS streaming download service. If the HTTP service provided by the digital television receiving terminal is a web service provided to the mobile terminal for browsing, that is, the digital television receiving terminal provides the program list to the mobile terminal in the form of a web page; if the HTTP service provided by the digital television receiving terminal is an HLS stream The media download service, that is, the HLS streaming media is sent through the HTTP file transfer protocol. The HLS streaming media includes the target streaming media file and the corresponding m3u8 cable I file.

The streaming media file conversion module 20 is configured to convert the digital television signal into a streaming media file.

In a specific implementation, the digital television signal received by the digital television receiving terminal cannot be directly used. HLS streaming media, digital TV receiving terminals can first convert digital television signals into streaming media files. As an optional implementation manner, the streaming media file conversion module 20 in the embodiment of the present invention may further include:

The digital television signal descrambling unit 501 is configured to perform descrambling processing on the digital television signal.

Digital TV signals are scrambled by changing the characteristics of the TV signal to prevent unauthorized users from receiving clear TV images and accompanying sounds. Therefore, digital signals can be descrambled before being converted into streaming media files.

The streaming media file conversion unit 502 is configured to convert the digital television signal descrambled by the digital television signal descrambling unit 501 into a streaming media file.

The digital television signal descrambled by the digital television signal descrambling unit 501 is converted into a data format required for the HLS streaming media, that is, a streaming media file.

The program list generating module 30 is configured to generate a program list according to the streaming media file into which the streaming media file conversion module 20 converts the digital television signal, wherein the program list includes a streaming media file identifier of the at least one streaming media file.

Streaming media refers to a technology and process of compressing a series of media data, transmitting data through a network segment, and transmitting audio and video in real time on the network for viewing. The digital television receiving terminal can segment the converted streaming media file. Save as multiple streaming subfiles required by HLS. And the plurality of streaming media subfiles saved in the segment are corresponding to the subfile identifiers, so that the m3u8 index file corresponding to the same streaming media file is obtained, so that after the mobile terminal receives the target streaming media file, the mobile terminal implements the corresponding m3u8 index file. Audio and video sharing of digital television.

The program list sending module 40 is configured to send the program list generated by the program list generating module 30 to the mobile terminal.

The updated program list is transmitted to the mobile terminal by the program list generating module 30 to cause the mobile terminal to select the target streaming media file identifier based on the program list.

The program list may include a live list and a recorded list. The currently played digital television program to be stored in the live broadcast list is provided to the mobile terminal in the form of a list; the digital television program not to be currently stored in the recording list is provided to the mobile terminal in the form of a list.

As an optional implementation manner, the program list sending module 40 in the embodiment of the present invention may further include: The access request obtaining unit 601 is configured to obtain, according to the HTTP server configured by the server configuration module 10, the web access request of the mobile terminal to the program list page.

The program list sending unit 602 is configured to send the program list in the program list page to the mobile terminal by using the HTTP server configured by the server configuration module 10 according to the web access request of the mobile terminal to the program list page acquired by the access request acquiring unit 601.

The target streaming media file identifier obtaining module 50 is configured to obtain a target streaming media file identifier selected by the mobile terminal according to the program list sent by the program list sending module 40.

Further, the target streaming media file identifier obtaining module 50 is configured to obtain, by using an HTTP server configured by the server configuration module 10, a download streaming media file command sent by the mobile terminal according to the program list sent by the program list sending module 40, where the download streaming media The file instructions include the target streaming media file identifier.

The target streaming media file sending module 60 is configured to send a corresponding target streaming media file according to the target streaming media file identifier obtained by the target streaming media file identifier obtaining module 50.

And sending the corresponding target streaming media file to the mobile terminal according to the target streaming media file identifier acquired by the target streaming media file identifier obtaining module 50, and carrying the corresponding m3u8 index file, so that the mobile terminal directly views the digital television through the player or the browser. program.

In the digital television receiving terminal described in Figs. 4, 5, and 6, the streaming media file converting module 20 converts the digital television signal into a streaming media file, and the program list generating module 30 generates a program list based on the streaming media file. Through the HTTP server configured by the server configuration module 10, the access request obtaining unit 601 obtains a web access request of the mobile terminal to the program list page, and further transmits the program list in the program list page to the mobile terminal through the HTTP server. The target streaming media file identifier obtaining module 50 obtains the download streaming media file command sent by the mobile terminal according to the program list by using the HTTP server configured by the server configuration module 10, where the downloaded streaming media file instruction includes the target streaming media file identifier, thereby the target stream. The media file sending module 60 sends the corresponding target streaming media file. Therefore, the embodiment of the present invention can configure an HTTP server in the digital television receiving terminal to effectively realize the audio and video sharing of the digital television by the mobile terminal, and the cost is low and the operation is simple.

FIG. 7 is a structural diagram of a mobile terminal according to an embodiment of the present invention. The mobile terminal in the embodiment of the present invention may include at least a program list receiving module 701, a target streaming media file identifier selecting module 702, and a target streaming media. The file identification sending module 703 and the target streaming media file receiving module 704. The program list receiving module 701 is configured to receive a program list sent by the digital television receiving terminal, where the program list includes a streaming media file identifier of the at least one streaming media file.

The digital television receiving terminal can store the converted streaming media file to the memory of the digital television receiving terminal, an external mobile storage device or an internal hard disk. If the digital television receiving terminal stores the converted streaming media file in the memory of the digital television receiving terminal, the program list may only include the live broadcast list; if the digital television receiving terminal stores the converted streaming media file to the external mobile storage device or With a built-in hard disk, the program list can include a live list and a recorded list.

As an optional implementation manner, the program list receiving module 701 in the embodiment of the present invention may further include:

The access request sending unit 801 is configured to send a web access request to the program list page to the HTTP server preset in the digital television receiving terminal. There are two ways to send a web access request to a program listing page:

The program list receiving unit 802 is configured to receive, according to the web access request of the program list page sent by the access request sending unit 801 to the HTTP server preset in the digital television receiving terminal, the program list sent by the HTTP server preset in the digital television receiving terminal. A list of programs on the page.

The target streaming media file identifier selection module 702 is configured to select a target streaming media file identifier according to the program list received by the program list receiving module 701.

After the program list receiving module 701 receives the program list sent by the digital television receiving terminal, the target streaming media file identifier selecting module 702 selects the target streaming media file identifier according to the program list, wherein the target streaming media file identifier includes at least one streaming media. File identification.

a target streaming media file identifier sending module 703, configured to send a target streaming media file identifier selected mode Block 702 selects a target streaming media file identifier to cause the digital television receiving terminal to transmit a corresponding target streaming media file determined according to the target streaming media file identifier.

In a specific implementation, the target streaming media file identifier sending module 703 sends a download streaming media file command to a preset HTTP server in the digital television receiving terminal, wherein the download streaming media file command includes a target streaming media file identifier.

The target streaming media file receiving module 704 is configured to receive, by the digital television receiving terminal, a corresponding target streaming media file determined according to the target streaming media file identifier sent by the target streaming media file identifier sending module 703, where the method further includes receiving the target stream. The m3u8 index file corresponding to the media file.

It should be noted that, in the foregoing embodiments, the descriptions of the various embodiments are different, and the parts that are not described in detail in an embodiment may refer to related descriptions of other embodiments. In the following, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

The above description of the audio and video sharing method, terminal and system of the digital television provided by the embodiment of the present invention is only for helping to understand the method and core idea of the present invention; meanwhile, it is for those skilled in the art. The present invention is not limited by the scope of the present invention.

Claims

Rights request

1. An audio and video sharing method for digital television, characterized in that the method includes: converting digital television signals into streaming media files;

Generate a program list according to the streaming media file, wherein the program list includes a streaming media file identifier of at least one streaming media file;

Send the program list to the mobile terminal;

Obtain the target streaming media file identification selected by the mobile terminal according to the program list; and send the corresponding target streaming media file according to the target streaming media file identification selected by the mobile terminal.

2. The method of claim 1, wherein converting digital television signals into streaming media files includes:

Descrambling the digital television signal;

Convert the descrambled digital television signal into a streaming media file.

3. The method of claim 1, wherein before sending the program list to the mobile terminal, the method further includes:

Configure HTTP server;

The sending of the program list to the mobile terminal includes:

Obtain the web access request of the mobile terminal to the program list page according to the HTTP server, and send the program list in the program list page to the mobile terminal through the HTTP server.

4. The method of claim 3, wherein the obtaining the target streaming media file identification selected by the mobile terminal according to the program list includes:

The download streaming media file instruction sent by the mobile terminal according to the program list is obtained through the HTTP server, and the download streaming media file instruction includes the target streaming media file identifier.

5. An audio and video sharing method for digital television, characterized in that the method includes: receiving a program list sent by a digital television receiving terminal, wherein the program list includes at least one streaming media file identifier of a streaming media file;

Select a target streaming media file identifier according to the program list;

Send the selected target streaming media file identification to the digital television receiving terminal, so that the digital television receiving terminal sends the corresponding target streaming media file determined according to the target streaming media file identification;

Receive the corresponding target streaming media file sent by the digital television receiving terminal and determined based on the target streaming media file identification.

6. The method of claim 5, wherein the receiving the program list sent by the digital television receiving terminal includes:

Send a web access request to the program list page to the preset HTTP server in the digital television receiving terminal;

Receive the program list in the program list page sent by the preset HTTP server in the digital television receiving terminal.

7. The method of claim 5, wherein said sending the selected target streaming media file identification to the digital television receiving terminal includes:

A download streaming media file instruction is sent to the preset HTTP server in the digital television receiving terminal according to the program list, and the download streaming media file instruction includes the target streaming media file identifier.

8. A digital television receiving terminal, characterized in that the terminal includes:

A streaming media file conversion module, used to convert digital television signals into streaming media files; a program list generation module, used to generate a program list according to the streaming media files converted from digital television signals by the streaming media file conversion module, wherein the The program list includes a streaming media file identifier of at least one streaming media file; A program list sending module, configured to send the program list generated by the program list generating module to the mobile terminal;

The target streaming media file identification acquisition module is used to obtain the target streaming media file identification selected by the mobile terminal according to the program list sent by the program list sending module;

The target streaming media file sending module is configured to send the corresponding target streaming media file according to the target streaming media file identification obtained by the target streaming media file identification acquisition module.

9. The terminal according to claim 8, characterized in that the streaming media file conversion module includes:

A digital TV signal descrambling unit, used to descramble the digital TV signal; a streaming media file conversion unit, used to convert the digital TV signal descrambled by the digital TV signal descrambling unit into a streaming media file .

10. The terminal according to claim 8, characterized in that, the terminal further includes: a server configuration module, used to configure an HTTP server;

The program list sending module includes:

An access request acquisition unit, configured to acquire the web access request of the mobile terminal to the program list page according to the HTTP server configured by the server configuration module;

The program list sending unit is configured to send the program list in the program list page to the mobile terminal through the HTTP server according to the web access request of the mobile terminal to the program list page obtained by the access request acquisition unit.

11. The terminal according to claim 10, characterized in that the target streaming media file identification acquisition module is used to:

Through the HTTP server, obtain the download streaming media file instruction sent by the mobile terminal according to the program list sent by the program list sending module, wherein the download streaming media file instruction includes the target streaming media file identification.

12. A mobile terminal, characterized in that the terminal includes: A program list receiving module, configured to receive a program list sent by a digital television receiving terminal, where the program list includes a streaming media file identifier of at least one streaming media file;

The target streaming media file identification selection module is used to select the target streaming media file identification according to the program list received by the program list receiving module;

The target streaming media file identification sending module is used to send the target streaming media file identification selected by the target streaming media file identification selecting module, so that the digital television receiving terminal sends the corresponding corresponding information determined according to the target streaming media file identification. The target streaming media file;

The target streaming media file receiving module is configured to receive the corresponding target streaming media file sent by the digital television receiving terminal and determined based on the target streaming media file identification sent by the target streaming media file identification sending module.

13. The terminal according to claim 12, characterized in that the program list receiving module includes:

An access request sending unit is used to send a web access request to the program list page to the preset HTTP server in the digital television receiving terminal;

The program list receiving unit is configured to receive the web access request for the program list page sent by the access request sending unit to the preset HTTP server in the digital television receiving terminal, and receive the preset HTTP server in the digital television receiving terminal. Send the program list in the program list page.

14. The terminal according to claim 12, characterized in that the target streaming media file identification sending module is used to:

Send a download streaming media file instruction to the HTTP server preset in the digital television receiving terminal. The download streaming media file instruction includes the target streaming media file identifier selected by the target streaming media file identifier selection module.

15. A digital television audio and video sharing system, characterized in that the system at least includes a digital television receiving terminal and a mobile terminal, wherein:

The digital TV receiving terminal is used to convert digital TV signals into streaming media files; according to the Generate a program list from the streaming media file; send the program list to the mobile terminal; obtain the target streaming media file identifier selected by the mobile terminal according to the program list; send according to the target streaming media file identifier selected by the mobile terminal The corresponding target streaming media file;

The mobile terminal is configured to receive a program list sent by a digital television receiving terminal; select a target streaming media file identifier according to the program list; and send the selected target streaming media file identifier so that the digital television receiving terminal Send the corresponding target streaming media file determined based on the target streaming media file identification; receive the corresponding target streaming media file determined based on the target streaming media file identification sent by the digital television receiving terminal.