WO2012055267A1

WO2012055267A1 - Data card, system and method for implementing television function

Info

Publication number: WO2012055267A1
Application number: PCT/CN2011/077029
Authority: WO
Inventors: 于洋
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-10-26
Filing date: 2011-07-11
Publication date: 2012-05-03
Also published as: CN101984425A; CN101984425B

Abstract

Disclosed are a data card, a system and a method for supporting television function hot-plugging. The system comprises a data card with a television function and a computer system, and the data card with the television function and the computer system store information about a television program currently played by a player of the computer system. Once the data card is disconnected from the computer system and then connected again, the information about the television program is acquired from the data card with the television function or the computer system, and the player automatically plays for a user the television program that was playing prior to disconnection according to the information about the television program. By means of the data card, the system and the method, the user can watch a television channel watched on a previous occasion without performing manual selection, thereby improving the user experience and achieving the effect of convenient use. Because both the data card and the computer system store the information about the television program, the hot-plugging reliability may be improved.

Description

Data card, system and method for realizing television function

Technical field

The present invention relates to the field of data cards for wireless communication technologies, and more particularly to a data card, system and method for implementing a television function.

Background technique

With the development of information technology and third-generation mobile communication technologies, communication means are increasingly enriched. In the field of mobile communications, high-speed mobile such as GPRS (General Packet Radio Service), UMTS (Universal Mobile Telecommunication System), HSDPA (High Speed Downlink Packages Access) With the popularity of data networks, wireless modems (modems) have rapidly developed as a convenient and fast new wireless access and connected device.

On the other hand, with the rapid development of integrated circuit technology, the processing power of chips has been continuously enhanced, and the application of digital television technology has become more and more extensive, making it possible to watch television on a computer. Since there are many wireless modems and TVs that can share hardware resources, this has led to the development of data cards with TV functions. The wireless modem and the TV receiving module can share the CPU, the memory and the data channel. On the basis of the original data card, a TV receiving module and some processing logic can be used to implement the wireless Modem and the TV function, saving hardware resources. .

In the current data card products with TV functions, there is a general lack of hot plug support for TV functions. When the user turns on the player again to watch the TV, they need to manually select the channel, which cannot be directly played for the user as watching the TV. Last viewed channel service.

Summary of the invention

The technical problem to be solved by the present invention is to provide a data card, system and method for supporting hot swapping of a TV function, which is used for realizing the hot plugging function of the data card supporting the function of the television, and realizing the service for playing the last viewed channel directly for the user. In order to solve the above problems, the present invention provides a method for implementing a television function, including: after a data card with a television function is connected to a computer system, storing information of a television program currently being played by a player of the computer system, Information of the television program is stored in the data card and computer system;

After the data card is disconnected from the computer system and disconnected, the player acquires information of the saved television program from the data card or the computer system, and automatically according to the saved information of the television program. The television program before the disconnection of the data card from the computer system is continued for the user.

Preferably, the above method further includes:

When the data card is connected to the computer system, but the player is turned off and then turned on again, the player acquires information of the saved television program from the data card or the computer system, according to the saved The information of the television program automatically continues to play the television program before the player is turned off for the user.

Preferably, the above method further includes:

After the data card is disconnected from the computer system and connected to the new computer system, the player of the new computer system acquires information of the saved television program from the data card, and continues to play according to the information. The television program before the data card is disconnected from the computer system.

Preferably, in the above method,

In the step of storing information of the television program to the data card, the information of the television program is stored in an embedded file system of the data card.

Preferably, in the above method, the information of the television program includes channel information of the television program.

The invention also provides a method for implementing a television function, comprising:

After the data card with the TV function is connected to the computer system, the information of the television program currently played by the player of the computer system is stored, and the information of the television program is stored in the data card; The player obtains information of the saved television program from the data card when the data card is disconnected after being disconnected from the computer system, or when the player is turned off and then turned on again, according to the saved information. The information of the television program automatically continues for the user to play the television program before the data card is disconnected from the computer system.

Preferably, the above method further includes:

Preferably, in the above method,

The present invention also provides a system for implementing a television function, including a data card, a computer system, and a player, wherein:

The data card has a television function, and the data card is configured to: receive a television program signal, and send the television program data to a player of a computer system; further configured to: store a television currently playing by the player Program information;

The computer system includes the player, the computer system is configured to: receive the television program data from the data card, play the television program by using the player; and further set to: store the current player Information about the television program being played; and

The player is configured to: obtain information of the television program from the data card or the computer system when the data card is disconnected again after being closed, or when the data card is disconnected from the computer system and connected again, The television program before the shutdown or before the data card is disconnected from the computer system is automatically resumed for the user based on the information of the television program.

Preferably, in the above system,

The data card includes an embedded file system, the data card being configured to store information of a television program currently being played by the player to the embedded file system. Preferably, in the above system,

The information of the television program includes channel information of the television program. The present invention also provides a system for implementing a television function, including a data card, a computer system, and a player, wherein:

The computer system includes the player, the computer system configured to: receive the television program data from the data card, and play the television program using the player;

The player is configured to: when reopened after being turned off, or when the data card is disconnected from the computer system and then connected again, acquiring information of the television program from the data card, according to the television program The information automatically continues for the user to play the television program before it was closed or before the data card was disconnected from the computer system. Preferably, in the above system,

The data card includes an embedded file system, the data card being configured to store information of a television program currently being played by the player to the embedded file system.

Preferably, in the above system,

The information of the television program includes channel information of the television program. The present invention also provides a data card, including: a television chip, an embedded file system, and a data interface for communicating with a computer system, wherein

The television chip is configured to: receive a television program signal, acquire television program data, and send the television program data to the computer system through the data interface;

The embedded file system is configured to: save information of a currently playing television program obtained from the computer system or the television chip.

Preferably, in the above data card,

The information of the television program includes channel information.

Preferably, in the above data card, the embedded file system is further configured to: Acquiring information of the currently played television program from the computer system through the data interface, or acquiring information of the currently played television program through the television chip.

Compared with the prior art, the present invention solves the problem that the last time the channel is not automatically played in the data card with the TV function. Since the currently broadcasted TV program information is saved, as long as the same computer system or the same data card can be directly watched the last watched TV channel without manual intervention, the user experience is not required, and the user experience is improved. Easy to use effect.

BRIEF abstract

1 is a structural diagram of a system for supporting hot swapping of a TV function according to an embodiment of the present invention; FIG. 2 is a flowchart of initial initialization of a player provided by an embodiment of the present invention;

FIG. 3 is a flowchart of an implementation of supporting a hot swap function of a television provided by an embodiment of the present invention.

Preferred embodiment of the invention

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.

In order to enable a user to watch TV on a computer using a data card with a TV function, it is possible to watch the television, and instead of manually selecting a channel each time it is turned on, the last viewed video channel can be automatically played. Embodiments of the present invention provide a data card, system, and method for implementing a television function that enables a data card to support a television broadcast hot plug function. The hot plug function means that the data card is supported when the television program is played, and the last broadcasted television program can be continued when the data card is inserted again. The database, system and method provided by embodiments of the present invention can also be used when the data card remains connected to the computer system but is turned back on after the player is turned off, and when the data card is disconnected from the computer system and then connected to the new computer system.

A method for implementing a television function provided by an embodiment of the present invention includes:

After the data card with the TV function is connected to the computer system, the television program information currently played by the player of the computer system is stored, and the television program information is stored in the data card and the computer system with the television function;

When the data card with TV function is disconnected from the computer system and connected again, the player is taken from the tape The saved television program information is obtained from a television-enabled data card or computer system, and the television program before disconnection is automatically played for the user based on the television program information. When acquiring, it is possible to first determine whether there is channel information in the data card, and if not, read from the computer system;

In the method, when the television program information is stored, it may also be stored only in the data card. When the player only stores the saved television program information, when the player obtains the saved television program information, only the saved data is obtained from the data card. TV program information. The television program information is stored in a data card with a television function and is stored in an embedded file system of a data card with a television function.

The television program information includes channel information. Channel information includes many specific details, and there are different contents for different standards. Usually the channel information can refer to a channel number. In the on-demand environment, the channel information refers to the program number of the on-demand program, which can uniquely determine a serial number of the program.

When the method is embodied, after the data card with the TV function is connected to the computer system, the player state can be detected first, and the player is initialized; then the channel is searched, and the channel list on the computer system side is updated; The side and the data card side with the TV function detect the last time watching the TV channel information, you can first detect the data card, if not obtained from the computer system, play the corresponding TV channel according to the obtained channel information; play the TV in the player During the program, the channel information saved on the computer system side and the data card side with the TV function is updated in real time according to the currently played TV channel.

The method of this embodiment is also applied to the following cases:

When the data card is connected to the computer system, but the player is turned off and then turned on again, the player acquires information of the saved television program from the data card or the computer system, according to the saved The information of the television program automatically continues to play the television program before the player is turned off for the user;

A system for implementing a television function provided by an embodiment of the present invention includes:

a data card with a television function, configured to receive television program signals, and to transmit television program data The player sent to the computer system plays the television program; and is further configured to store the television program information currently being played by the player;

a computer system, having a player, configured to receive television program data from a data card with a television function, to play a television program by using a player; and further configured to store television program information currently being played by the player;

The player is configured to acquire the television program information from a data card with a television function or a computer system when the data card with the television function is disconnected from the computer system and then connected again after being turned off and then turned on again. And automatically playing, according to the television program information, a television program before or before the closing of the user;

The data card with a television function, including an embedded file system, is configured to store television program information currently played by the player;

In the system, when the currently broadcasted television program information is stored, it can also be stored only in the data card. When the player obtains the saved television program information, only the saved television program information is obtained from the data card.

A data card for implementing a television function provided by an embodiment of the present invention includes: a television chip, an embedded file system, and a data interface for connecting and communicating with a computer system,

The television chip is configured to receive a television program signal, obtain television program data, and send the data to the computer system through the data interface;

The embedded file system is configured to obtain the television program information currently being played by the computer system through a data interface that is connected to the computer system, or obtain the currently broadcasted television program information through the television chip, and save the acquired television program information.

As shown in Fig. 1, a structural diagram of a data card and system for realizing a television function according to an embodiment of the present invention is shown. The system includes a data card with a television function and a computer system. In the data card with TV function shown in Figure 1, the TV chip and other modules of the data card share the CPU, registers, and data channels. The player is configured to play a television program, and the embedded file system is configured to save the currently broadcasted television program information, such as channel information.

When the user first uses the TV function of the data card, there is no channel related on the computer system side. Information, the player performs normal initialization, the user can select the channel to play, and save the currently broadcasted TV program information to the computer system and data card. When the user uses the data card for the next time, the computer system side and the data card side have already saved the information selected by the user at the time of the last play, and the last played time can be obtained from the computer system side or the data card side. The television program information, so that the player can continue to play the program selected by the user last time, that is, the TV function of the data card supports hot plugging, which is convenient for the user to operate and improves the user experience;

Alternatively, the data card can be applied to the following situations:

When the computer system side does not save the last broadcasted television program information, the player only obtains the saved television program information from the data card, and continues to play the last played program;

When the data card is not disconnected from the computer system but the player is turned off or the system is turned off and then turned on, the player can obtain the TV program information from the data card (which can also be obtained from the computer system when the computer system is also stored) for subsequent playback. ;

When the data card is disconnected from the computer system and connected to a new computer system, the player of the new computer system can obtain the saved television program information from the data card and play the last broadcasted TV program.

The technical solution provided by the embodiment of the present invention can be well applied to the following several scenarios: 1. When the user uses the data card to watch the TV, if the data card is accidentally pulled out and the data card is inserted again, the user can continue to play the video just watched. TV channel; 2. When the user computer needs to reinstall the player or reinstall the system because of other problems, the data channel can continue to play the previously watched TV channel; 3. The user wants to change a computer system and continues When watching the TV channel you are watching, you can use it on another computer system to play the TV channel you just watched. Because the technical solution provided by the embodiment of the present invention saves the television program information in real time on the currently broadcasted television program, after the data card is unplugged and connected again, the previously played back can be resumed according to the saved television program information. The broadcast of the TV program without the user having to manually select it. In addition, since the television program information can be separately saved to the data card and the computer system, even if the information of the computer system is lost, or the computer system is replaced, the saved television program information can be obtained from the data card, thereby restoring the last played TV for the user. Continue watching while the show.

As shown in Figure 2, the process of the player playing the TV program normally is given: Step S201, the computer system detects that the data card is inserted;

Step S202: The user starts the player.

Step S203: The player performs frequency sweeping, finds a channel, and creates a local playlist.

Step S204, selecting a channel, and performing a control instruction with the data card; the data card starts accepting the television data, and sends the data to the computer system through the USB data channel;

Step S205: The computer system side performs decoding, and sends the decoded data stream to the player for playing;

Step S206: The player saves the currently playing channel information locally, and then saves the channel information to the EFS (Embedded File System) area on the data card side.

When the user switches channels during the process of playing the TV, the player saves the currently latest channel information on the local computer system and the data card side, so that the channel information is read from the local file or the data card side during the next playback, and the playback continues. ; It can also be stored only in the data card, and the program information will only be read from the data card during the next playback.

As shown in FIG. 3, a specific flow step of performing the function of continuing playback when the user inserts the data card into the computer system (which may be the original computer system or a different computer system) is given, including:

Step S301, determining the player status, if the player is off, then step S302, if the player is open, then step S303;

Step S302, re-initialize the player from the background, that is, call the player initialization code, reset the player state, etc., the role is to reset the player, so that the player can normally interact with the data card, step S304;

Step S303, the initialization operation of the player, the initialization includes allocating memory for the player, initializing the data channel of the player and the serial port of the television function, and the process proceeds to step S304;

Step S304: The player performs frequency sweeping, searches for channels, and searches for different information for different standards. For example, for the CMMB standard, frequency point information and Service ID need to be scanned; for the ISDB-T standard, only frequency point information needs to be scanned. Step S305, it is determined whether there is a channel list file locally, if not, go to step S306, otherwise, go to step S307;

Step S306, creating a local playlist file, saving the created playlist file in the directory where the local player is installed, and proceeding to step S309;

Step S307: Update the local channel list by using the searched channel list. If the channel searched by the new channel list contains a channel that is not previously in the local area, the channel information is added. If the channel is not locally previously and the current channel is not scanned, the channel is deleted. Channel information;

Step S308, determining whether there is local information of the last played channel, that is, locally detecting whether there is information about the last saved viewing channel and the integrity of the information, and determining whether the channel information of the last played TV is obtained according to the detection result, if If no, go to step S309, otherwise, go to step S311; Step S309, determine whether the EFS area on the data card side has the information of the last played channel, that is, whether the information and information of the last saved viewing channel are detected on the data card side. Integrity, according to the detection result to determine whether the channel information of the last played TV can be obtained, if yes, go to step S310, otherwise go to step S315;

Step S310, the computer system reads the channel information from the EFS area of the data card side, that is, the channel information in the EFS area of the data card side is read into the local memory through the USB data channel, and the process goes to step S312; Step S311, the last time is read locally. Playing channel information, the existing local channel information is read into the local memory, go to step S312;

Step S312, using the read last played channel information and the local channel list for comparison, determining whether the last played channel is in the new channel list, if yes, go to step S313, otherwise, go to step S315;

Step S313, the last played channel is directly selected in the new channel list, that is, the player directly transmits the channel information to the frequency selection operation, directly selects the channel, and proceeds to step S316; step S314, last played The channel is not in the new channel list, indicating that the new environment does not search for the last played channel, go to step S315;

Step S315, there is no information of the last played channel, waiting for the user to manually select the channel, then step S316;

Step S316, the player and the data card perform control command interaction, mainly including a computer system The side sends the channel information to the device side, the device side responds to the command, and the like;

Step S317, the data card side starts to receive data, and sends the data to the computer system through the USB data channel;

Step S318: The computer system side performs decoding, and sends the decoded data stream to the player for playing;

Step S319: The channel information of the currently playing TV exists locally, and then the channel information is saved to the EFS area on the data card side.

Step S320: If the user switches channels, go to step S316 to restart playing the new TV channel. Otherwise, continue to play the original channel.

The above is only the embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. All modifications, equivalents, improvements, etc., made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Industrial applicability

The invention provides a data card, a system and a method for realizing a television function, which are used for realizing a function of realizing a television function of a data card, and realizing a service for directly playing a channel for a user to watch the channel. Compared with the prior art, the present invention solves the problem that the last viewed channel is not automatically played in the data card with the television function. Since the currently broadcasted TV program information is saved, as long as the same computer system or the same data card can be directly watched the last watched TV channel without manual intervention, the user experience is not required, and the user experience is improved. Easy to use effect.

Claims

Claim

1. A method for implementing a television function, comprising:

After the data card with the television function is connected to the computer system, the information of the television program currently played by the player of the computer system is stored, and the information of the television program is stored in the data card and the computer system;

2. The method of claim 1 further comprising:

3. The method of claim 1 further comprising:

4. The method according to any one of claims 1 to 3, wherein

The method according to any one of claims 1 to 3, wherein the information of the television program includes channel information of the television program.

6. A method for implementing a television function, comprising:

After the data card with the television function is connected to the computer system, the information of the television program currently played by the player of the computer system is stored, and the information of the television program is stored in the data card;

When the data card is disconnected from the computer system, or the player is turned off After being closed again, the player acquires information of the saved television program from the data card, and automatically continues to play the data card before disconnecting from the computer system according to the saved information of the television program. TV show.

7. The method of claim 6 further comprising:

8. The method according to claim 6 or 7, wherein

The method according to any one of claims 6 to 8, wherein the information of the television program includes channel information of the television program.

10. A system for implementing a television function, comprising a data card, a computer system, and a player, wherein:

11. The system of claim 10, wherein

12. The system of claim 10 or 11, wherein

The information of the television program includes channel information of the television program.

13. A system for implementing a television function, comprising a data card, a computer system, and a player, wherein:

The player is configured to: when reopened after being turned off, or when the data card is disconnected from the computer system and then connected again, acquiring information of the television program from the data card, according to the television program The information automatically continues for the user to play the television program before it was closed or before the data card was disconnected from the computer system.

14. The system of claim 13 wherein

15. The system of claim 13 or 14, wherein

16. A data card, comprising: a television chip, an embedded file system, and a data interface for communicating with a computer system, wherein

17. The data card of claim 16, wherein

The information of the television program includes channel information.

18. The data card of claim 16 wherein said embedded file system is further configured to: obtain information of said currently playing television program from said computer system via said data interface, or by said The television chip acquires information of the currently broadcasted television program.