WO2017012414A1

WO2017012414A1 - Program updating method and apparatus

Info

Publication number: WO2017012414A1
Application number: PCT/CN2016/083833
Authority: WO
Inventors: 罗克光; 潘信; 崔振宇; 吴正兵
Original assignee: 深圳Tcl数字技术有限公司
Priority date: 2015-07-21
Filing date: 2016-05-29
Publication date: 2017-01-26
Also published as: CN105025371B; CN105025371A

Abstract

A program updating method. The program updating method comprises: acquiring a program data table corresponding to a current frequency point, the program data table comprising a version number and program information; after the program data table is acquired, acquiring a program data table stored in a server and a version number thereof; and when the version number of the program data table of the current frequency point is inconsistent with the version number of the program data table stored in the server, updating a program data table corresponding to each frequency point by means of the program information and version number in the program data table stored in the server, the program data table comprising program information about all the frequency points. Also disclosed is a program updating apparatus. A program can be updated at a current frequency point without frequency hopping updating, so as not to affect a user to watch the program.

Description

Program update method and device

Technical field

The present invention relates to the field of terminal equipment technologies, and in particular, to a program update method and apparatus.

Background technique

At present, when the terminal updates the program, the terminal first jumps to the data of the NIT (Network Information Table). When the version number of the NIT table located at the primary frequency point changes, the jump to the program search interface sequentially acquires PAT (Program Associate Table) and PMT (Program Mapping Table) from each frequency point. Data such as SDT (Service Description Table) to perform program search and save the searched program to update the program list. Therefore, when the terminal performs a program search, the user has to terminate the current viewing program activity.

Summary of the invention

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a program update method and apparatus for accomplishing program update at a current frequency point without affecting user viewing of a program.

To achieve the above object, the present invention provides a program update method, and the program update method includes:

When the terminal starts, or when receiving the program update instruction, acquiring a program data table corresponding to the current frequency point according to the activation signal of the terminal or the program update instruction; the program data table includes a version number and program information;

And when the program data table is obtained, sending, by the server, a terminal activation signal or a program update instruction, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction. ;

Receiving transport stream data sent by the server;

Obtaining the program data table in the transport stream data, and parsing the program data table to obtain a version number of the program data table;

a version number of the program data table at the current frequency point and a program data table stored in the server When the version numbers are inconsistent, the program data table corresponding to each frequency point is updated by using the program information and the version number in the program data table stored in the server, and the program data table includes program information of all frequency points.

Preferably, after the obtaining the program data table corresponding to the current frequency point, the method includes:

When the program data table is not obtained, acquiring an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

When the version number of the information table corresponding to the primary frequency point does not match the version number of the information table stored in the server, the information table corresponding to each frequency point is sequentially updated by using the information table stored in the server.

Preferably, the program information package program element, audio identifier, video identifier, program type, and program name.

The present invention also provides a program update method, the program update method comprising:

Obtaining a program data table corresponding to a current frequency point, where the program data table includes a version number and program information;

Acquiring the program data table and its version number stored in the server when the program data table is obtained;

And updating, when the version number of the program data table of the current frequency point is different from the version number of the program data table stored in the server, using the program information and the version number in the program data table stored in the server Corresponding program data table, the program data table includes program information of all frequency points.

Preferably, the program data table and its version number stored in the acquisition server include:

Sending a terminal activation signal or a program update instruction to the server, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction;

Receiving transport stream data sent by the server;

Obtaining the program data table in the transport stream data, and parsing the program data table to obtain a version number of the program data table.

Preferably, the obtaining the program data table corresponding to the current frequency point comprises:

When the terminal is started, or when the program update instruction is received, the program data table corresponding to the current frequency point is acquired according to the activation signal of the terminal or the program update instruction.

When the program data table is not obtained, the information table corresponding to the main frequency point is acquired and stored in the server. a stored information table, the information table including a version number;

In addition, in order to achieve the above object, the present invention further provides a program updating apparatus, where the program updating apparatus includes:

a first acquiring module, configured to acquire a program data table corresponding to a current frequency point, where the program data table includes a version number and program information;

a second acquiring module, configured to acquire a program data table and a version number thereof stored in the server when the program data table is acquired;

a first update module, configured to: when the version number of the program data table of the current frequency point is different from the version number of the program data table stored in the server, use program information and a version in the program data table stored in the server The number updates the program data table corresponding to each frequency point, and the program data table includes program information of all frequency points.

Preferably, the second obtaining module comprises:

a sending unit, configured to send a terminal activation signal or a program update instruction to the server, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction;

a receiving unit, configured to receive transport stream data sent by the server;

And a parsing unit, configured to acquire the program data table in the transport stream data, and parse the program data table to obtain a version number of the program data table.

Preferably, the program update apparatus further includes:

The triggering module is configured to start at the terminal, or when receiving the program update instruction, trigger the first acquiring module to acquire the program data table corresponding to the current frequency point according to the startup signal of the terminal or the program update instruction.

Preferably, the program update apparatus further includes:

a third obtaining module, configured to acquire, when the second acquiring module does not obtain the program data table, an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

a second update module, configured to: when the version number of the information table corresponding to the primary frequency point is different from the version number of the information table stored in the server, sequentially update the information corresponding to each frequency point by using the information table stored in the server table.

The embodiment of the present invention obtains a program data table corresponding to a current frequency point, wherein the program data table includes a version number and program information, and simultaneously acquires a program data table and a version number thereof stored in the server. When the version number of the program data table of the current frequency point does not match the version number of the program data table stored in the server, the program data table corresponding to each frequency point is updated by using the program information and the version number in the program data table stored in the server. To update the program. Since the program data table contains program information of all frequency points, the terminal can perform program update at the current frequency point without updating the program at a frequency point, thereby not affecting the user watching the program.

DRAWINGS

1 is a schematic flow chart of a first embodiment of a program update method according to the present invention;

2 is a schematic flowchart of refining a program data table stored in a server and a version number thereof in the first embodiment of the program updating method according to the present invention;

3 is a schematic flowchart of a third embodiment of a program update method according to the present invention;

4 is a schematic flowchart of a fourth embodiment of a program update method according to the present invention;

5 is a schematic diagram of functional modules of a first embodiment of a program updating apparatus according to the present invention;

6 is a schematic diagram of a refinement function module of a second acquisition module in the first embodiment of the program updating apparatus of the present invention;

7 is a schematic diagram of functional modules of a third embodiment of a program updating apparatus according to the present invention;

FIG. 8 is a schematic diagram of functional modules of a fourth embodiment of a program updating apparatus according to the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in Fig. 1, a first embodiment of a program updating method of the present invention is shown.

The program update method provided in this embodiment is mainly used for updating a program by a terminal, and the type of the terminal can be set according to actual needs, and is used for receiving a program. For example, the terminal can be a digital TV set top box, a digital television integrated machine, a handheld television terminal. Wait for digital TV. The following is an example of the update of a television program by digital television as an example.

The program update method of this embodiment includes the following steps:

Step S10: Obtain a program data table corresponding to a current frequency point, where the program data table includes a version number and program information;

In this embodiment, a data structure of a program data table is preset according to a TS (Transport Stream) stream format in the MPEG-2 standard, and the program data table may be named as a SUT (Service Update Table). The SUT table is transmitted to the digital television in the form of a transport stream in a cable television network, and the digital television stores the SUT table and stores it locally. Stored in the local SUT table to all frequency points, that is, the SUT table exists in all frequency points.

The SUT table includes a version number for indicating whether the data of the SUT table needs to be updated, that is, when the version number of the SUT table stored locally is inconsistent with the version number of the SUT table sent by the server, it indicates that the SUT table needs to be updated. The data. The SUT table also includes program information, which can be stored in a preset descriptor named as a private custom descriptor, which includes program information for all frequency points. The program information may include program elements (ie, three elements of the program), an audio identifier (audio PID), a video identifier (video PID), a PCR_PID, a program type, and a program name.

In view of presetting the SUT table in the TS, the SUT table includes a private custom descriptor for storing program information of all frequency points. In this embodiment, when the program needs to be updated, the digital TV will directly load the current frequency point. The corresponding SUT table does not need to jump to the main frequency to load the data in the NIT table.

Step S20: Obtain a program data table and a version number stored in the server when the program data table is obtained;

Generally, in the data of the TS, an undefined information table is reserved, so that the broadcasting and television operators can customize according to different business needs. Therefore, the server can be based on a predefined data format The SUT table is customized in the TS data to generate transport stream data for transmission to the digital television. After obtaining the SUT table, in order to compare the version number of the SUT table with the version number stored in the server, the digital television needs to obtain the SUT table stored in the server, and parse the transmitted SUT table to obtain the server. The version number of the stored SUT table. The server can be the broadcast program editing sender of the broadcasting and television operator.

Step S30: when the version number of the program data table of the current frequency point does not match the version number of the program data table stored in the server, update the program information and the version number in the program data table stored in the server. A program data table corresponding to each frequency point, wherein the program data table includes program information of all frequency points.

After obtaining the SUT table of the current frequency point and the SUT table stored in the server according to the above, it is checked whether the version number of the SUT table changes, that is, the version number of the SUT table transmitted by the server and the version of the SUT table stored locally by the digital television. Number for comparison. If the version number of the SUT table transmitted by the server received by the digital television does not match the version number of the SUT table stored locally on the digital television, it is determined that the television program needs to be updated.

Specifically, the SUT table corresponding to each frequency point is updated by using the program information and the version number in the SUT table stored in the server, that is, the SUT table of the current frequency point is parsed according to the predefined data format. The private custom descriptor in the SUT table is obtained according to the mark of the private custom descriptor, and then the private custom descriptor is parsed byte by byte according to a predefined data format. The program information in the current frequency point SUT table is deleted, and the program information transmitted by the server is stored at the current frequency point. Thereby, the private custom descriptor sent by the server is replaced with the private custom descriptor of the current frequency point.

Since the private custom descriptor in the SUT table of the current frequency point contains program information of all frequency points, the three elements of the program, the audio PID, the video PID, the PCR_PID, and the program can be obtained by parsing the private custom descriptor in the SUT table. The program information such as the program type and the program name does not need to jump to the main frequency point or the specific frequency point, and sequentially acquires the program information of each frequency point. At this time, the program information can be updated regardless of the frequency point at which the terminal is currently located.

The user can continue to watch the current TV program, and the entire program update process is performed in the background, which is transparent to the user, resulting in a better user experience. If the version number of the SUT table of the current frequency coincides with the version number of the section SUT table sent by the server, there is no need to update the television program.

In the embodiment of the present invention, the SUT table is transmitted to the digital television in the form of a transport stream in a cable television network, and broadcasted to all frequency points, thereby obtaining the SUT table corresponding to the current frequency point and the SUT table stored in the server, and when When the version number of the SUT table corresponding to the frequency point is inconsistent with the version number of the SUT table transmitted by the server, the program data table corresponding to each frequency point is updated by using the program information and the version number in the program data table stored in the server to Update. Since the SUT table contains all the program information of the frequency points, it is not necessary to sequentially acquire the program information of each frequency point when the digital television performs the program search, and directly update the program information of the current frequency point to realize all the frequency points. The program information table is updated so as not to affect the user watching the program.

Further, as shown in FIG. 2, based on the first embodiment of the program updating method, a second embodiment of the program updating method of the present invention is proposed. In the embodiment, the foregoing step S20 may include:

Step S21: Send a terminal activation signal or a program update instruction to the server, so that the server feeds back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction;

Step S22: Receive transport stream data sent by the server.

Step S23: Obtain the program data table in the transport stream data, and parse the program data table to obtain a version number of the program data table.

In this embodiment, after the server customizes the SUT table in the data of the TS according to the predefined data format, the private custom descriptor is further encapsulated in the SUT table for storing program information of all frequency points. The server then sends the SUT table to the digital television in the form of transport stream data. An example of defining a SUT table is shown in Table 1, and an example of encapsulating a private custom descriptor is shown in Table 2.

Table 1. Example of defining a SUT table

Among them, the specific data format in the SUT table is defined as follows:

1) table_id: unique table identifier, 8 bits.

2) version_number: the version number of the table, 5 digits. When this field changes, it indicates that the table data needs to be updated.

3) service_update_loop_length: update the total number of programs, 12 bits.

4) transport_stream_id: Transport stream ID, 16 bits.

5) original_network_id: original network ID, 16 bits.

6) service_info_descriptors_length: The number of programs described by the current network, 12 bits.

7) Service_info_descriptor: A private custom descriptor encapsulated in the SUT table.

Table 2. Example of encapsulating a private custom descriptor

The specific data format of the private custom descriptor is defined as follows:

1) descriptor_tag: Describes the subtag, 8 bits, according to the specified value range (0x80 to 0xFE).

2) descriptor_length: describes the sub-length, 8 bits.

3) PCR_PID: PCR PID, used for playback, 13 bits.

4) reserved: reserved, 3 digits.

5) stream_type: program type, 8 bits.

6) service_id: program ID, 16 bits.

7) elementary_PID: The TS contains related program elements, 13 bits, such as audio PID or video PID.

8) ES_info_length: This is a 12-bit length field, the first two bits are 00, which indicates the number of bytes following the description of the relevant program element.

9) service_name_length: This is a 12-bit length field, the first two bits are 00, which indicates the number of bytes following the description of the associated program name.

10) service_name: program name, the length is determined by service_name_length.

When the digital television acquires the SUT table at startup, the digital television will send a start signal to the server, and after receiving the start signal of the digital television, the server transmits the transport stream data to the data television. Or when the user triggers the digital television to obtain the SUT table by means of a preset program update button, the digital television will send a program update instruction to the server, and after receiving the program update instruction of the digital television, the server transmits the transport stream data to the The data TV.

After the digital TV receives the transport stream data sent by the server, since the transport stream data sent by the server contains a large amount of data table information, the data format of the predefined SUT table needs to be identified according to the SUT table unique table identifier. The large number of data tables are filtered to obtain a SUT table from the transport stream data. Then, the SUT table is parsed according to the above predefined data format to obtain the version number of the SUT table sent by the server.

Further, as shown in FIG. 3, based on the first embodiment of the program updating method, a third embodiment of the program updating method of the present invention is proposed. The foregoing step S10 may include:

Step S40, the terminal starts or when a program update instruction is received;

Step S10: Obtain a program data table corresponding to the current frequency point according to the startup signal of the terminal or the program update instruction.

In this embodiment, the method for triggering the data television to obtain the SUT table corresponding to the current frequency point may include: mode 1: when the digital television is powered on, an activation signal is generated, and the SUT corresponding to the current frequency point is automatically acquired according to the startup signal of the digital television. Table 2: In the process of watching TV programs, the user can use the preset program update button on the remote control, or the program update button preset on the digital TV, or the touch screen or preset icon to the number. The television sends a program update instruction, and when the digital television receives the program update instruction, acquires a SUT table corresponding to the current frequency point.

It can be understood that the manner in which the trigger data television obtains the SUT table corresponding to the current frequency point is only an enumeration of the specific implementation manner, and other trigger data obtained by a person skilled in the art obtains the SUT table corresponding to the current frequency point. The manner is within the protection scope of the present invention.

Further, as shown in FIG. 4, based on any embodiment of the program update method, a fourth embodiment of the program update method of the present invention is proposed. The step S10 may include:

Step S50: When the program data table is not obtained, obtain an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

Step S60: When the version number of the information table corresponding to the primary frequency point does not match the version number of the information table stored in the server, the information table corresponding to each frequency point is sequentially updated by using the information table stored in the server.

When the digital television does not obtain the corresponding predefined SUT table at the current frequency, it indicates that the digital television does not support the data format of the predefined SUT table, and only supports broadcasting information at the primary frequency point. The table is an NIT table. Therefore, the digital television stores locally an NIT table broadcast only at the primary frequency, and the NIT table includes a version number. The frequency point is a preset frequency point for storing the NIT table, and the frequency point can be flexibly set according to a specific situation, and each frequency point stores corresponding program information.

At this time, when the digital television updates the program, it needs to jump to the data of the main frequency point to load the NIT table. At the same time, a program update request is sent to the server to cause the server to transmit the transport stream data to the digital television according to the program update request. The digital TV obtains the NIT table in the transport stream data transmitted by the server according to the identifier of the NIT table, and compares the version number of the NIT table stored locally by the digital TV with the version number of the NIT table sent by the server, if they are consistent, then The program needs to be updated; if it is inconsistent, the program needs to be updated.

Specifically, the method for updating the program may be: the digital television terminates the current program viewing activity, jumps to the program search interface, and sequentially acquires a PAT (Program Associate Table) and a PMT (Program Mapping Table). Data such as SDT (Service Description Table) is used to update the information table corresponding to each frequency point in order to update the program.

Correspondingly, as shown in Fig. 5, a first embodiment of a program updating apparatus of the present invention is proposed.

The program updating apparatus provided in this embodiment is mainly used for updating a program by a terminal, and the type of the terminal can be set according to actual needs for receiving a program. For example, the terminal can be a digital TV set top box, a digital television integrated machine, a handheld television terminal. Wait for digital TV. The following is an example of the update of a television program by digital television as an example.

The program updating apparatus of this embodiment includes:

The first obtaining module 100 is configured to acquire a program data table corresponding to a current frequency point, where the program data table includes a version number and program information;

In this embodiment, a data structure of a program data table is preset according to a TS (Transport Stream) stream format in the MPEG-2 standard, and the program data table may be named as a SUT (Service Update Table). The SUT table is transmitted to the digital television in the form of a transport stream in a cable television network, and the digital television stores the SUT table and stores it locally.

Stored in the local SUT table to all frequency points, that is, the SUT table exists in all frequency points. The SUT table includes a version number for indicating whether the data of the SUT table needs to be updated, that is, when the version number of the SUT table stored locally is inconsistent with the version number of the SUT table sent by the server, the table is Indicates that the data of the SUT table needs to be updated. The SUT table also includes program information, which can be stored in a preset descriptor named as a private custom descriptor, which includes program information for all frequency points. The program information may include program elements (ie, three elements of the program), an audio identifier (audio PID), a video identifier (video PID), a PCR_PID, a program type, and a program name.

In view of presetting the SUT table in the TS, the SUT table includes a private custom descriptor for storing program information of all frequency points. In this embodiment, when the program needs to be updated, the digital television will invoke the first acquisition module. 100 directly loads the SUT table corresponding to the current frequency point, without jumping to the main frequency point to load the data in the NIT table.

a second obtaining module 200, configured to acquire a program data table and a version number thereof stored in the server when the program data table is acquired;

Generally, in the data of the TS, an undefined information table is reserved, so that the broadcasting and television operators can customize according to different business needs. Therefore, the server can customize the SUT table in the TS data according to a predefined data format to generate transport stream data for transmission to the digital television. After obtaining the SUT table, in order to compare the version number of the SUT table with the version number stored in the server, the digital television needs to call the second obtaining module 200 to obtain the SUT table stored in the server, and perform the SUT table transmitted. Parse to get the version number of the SUT table stored in the server. The server can be the broadcast program editing sender of the broadcasting and television operator.

The first update module 300 is configured to: when the version number of the program data table of the current frequency point is different from the version number of the program data table stored in the server, use program information in the program data table stored in the server, and The version number updates the program data table corresponding to each frequency point, and the program data table includes program information of all frequency points.

Specifically, the SUT table corresponding to each frequency point is updated by the first update module 300 by using the program information and the version number in the SUT table stored in the server, that is, the SUT table of the current frequency point is parsed according to the predefined data format. Then get the private customization in the SUT table according to the mark of the private custom descriptor The descriptor is then parsed by the private custom descriptor on a byte by byte basis according to a predefined data format. The program information in the current frequency point SUT table is deleted, and the program information transmitted by the server is stored at the current frequency point. Thereby, the private custom descriptor sent by the server is replaced with the private custom descriptor of the current frequency point.

Since the private custom descriptor in the SUT table of the current frequency point contains program information of all frequency points, the three elements of the program, the audio PID, the video PID, the PCR_PID, and the program can be obtained by parsing the private custom descriptor in the SUT table. The program information such as the program type and the program name does not need to jump to the main frequency point or the specific frequency point, and sequentially acquires the program information of each frequency point. At this time, the first update module 300 can update the program information regardless of which frequency point the terminal is currently in. The user can continue to watch the current TV program, and the entire program update process is performed in the background, which is transparent to the user, resulting in a better user experience. If the version number of the SUT table of the current frequency coincides with the version number of the section SUT table sent by the server, the first update module 300 does not need to update the television program.

In the embodiment of the present invention, the SUT table is transmitted to the digital television in the form of a transport stream in a cable television network, and broadcasted to all frequency points, thereby obtaining the SUT table corresponding to the current frequency point and the SUT table stored in the server, and when When the version number of the SUT table corresponding to the frequency point is inconsistent with the version number of the SUT table transmitted by the server, the program data table corresponding to each frequency point is updated by using the program information and the version number in the program data table stored in the server to Update. Since the SUT table contains program information of all frequency points, it is not necessary to sequentially acquire the program information of each frequency point when performing digital program search, and directly update the program information table of the current frequency point to realize all frequencies. The program information table of the point is updated so as not to affect the user watching the program.

Further, as shown in FIG. 6, based on the first embodiment of the above-mentioned program updating apparatus, a second embodiment of the program updating apparatus of the present invention is proposed. In this embodiment, the second obtaining module 200 may include:

The sending unit 210 is configured to send a terminal activation signal or a program update instruction to the server, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction;

The receiving unit 220 is configured to receive transport stream data sent by the server;

The parsing unit 230 is configured to acquire the program data table in the transport stream data, and parse the program data table to obtain a version number of the program data table.

In this embodiment, after the server customizes the SUT table in the data of the TS according to the predefined data format, the private custom descriptor is further encapsulated in the SUT table for storing program information of all frequency points. The server then sends the SUT table to the digital television in the form of transport stream data. An example of defining a SUT table is shown in Table 3, and an example of encapsulating a private custom descriptor is shown in Table 4.

Table 3. Example of defining a SUT table

Among them, the specific data format in the SUT table is defined as follows:

1) table_id: unique table identifier, 8 bits.

3) service_update_loop_length: update the total number of programs, 12 bits.

4) transport_stream_id: Transport stream ID, 16 bits.

5) original_network_id: original network ID, 16 bits.

Table 4. Example of encapsulating a private custom descriptor

2) descriptor_length: describes the sub-length, 8 bits.

3) PCR_PID: PCR PID, used for playback, 13 bits.

4) reserved: reserved, 3 digits.

5) stream_type: program type, 8 bits.

6) service_id: program ID, 16 bits.

When the digital television acquires the SUT table at startup, the digital television will call the sending unit 210 to send a start signal to the server, and after receiving the start signal of the digital television, the server transmits the transport stream data to the data television. Or when the user triggers the digital TV to acquire the SUT table by means of a preset program update button or the like, the digital television will call the sending unit 210 to send a program update instruction to the server, and the server will transmit after receiving the program update instruction of the digital television. Stream data is transmitted to the data television.

After the digital TV receives the transport stream data sent by the server by the receiving unit 220, since the transport stream data sent by the server contains a large amount of data table information, the data format of the predefined SUT table needs to be according to the SUT table. The unique table identifier filters the large number of data tables and obtains the SUT table from the transport stream data. The parsing unit 230 then parses the SUT table according to the predefined data format to obtain the version number of the SUT table sent by the server.

Further, as shown in FIG. 7, the third embodiment of the program updating apparatus of the present invention is proposed based on the first embodiment of the program updating apparatus. The program updating apparatus in the embodiment further includes:

The triggering module 400 is configured to start at the terminal, or when receiving the program update instruction, trigger the first acquiring module to acquire the program data table corresponding to the current frequency point according to the startup signal of the terminal or the program update instruction.

In this embodiment, the manner in which the trigger module 400 triggers the data television to acquire the SUT table corresponding to the current frequency point may include: mode 1: when the digital television is powered on, a start signal is generated, and the current frequency point is automatically acquired according to the start signal of the digital television. Corresponding SUT table; Method 2: During the process of watching the TV program, the user can update the button, the program update button preset on the digital TV, or the touch screen, or the preset icon by means of a preset program update button on the remote controller. And transmitting a program update instruction to the digital television, and when the digital television receives the program update instruction, acquiring the SUT table corresponding to the current frequency point.

Further, as shown in FIG. 8, the fourth embodiment of the program updating apparatus of the present invention is proposed based on any embodiment of the program updating apparatus. In the embodiment, the program updating apparatus further includes:

The third obtaining module 500 is configured to acquire, when the second acquiring module does not obtain the program data table, an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

The second update module 600 is configured to: when the version number of the information table corresponding to the primary frequency point is different from the version number of the information table stored in the server, use the information table stored in the server to sequentially update the corresponding frequency points. Information Sheet.

When the digital television does not obtain the corresponding predefined SUT table at the current frequency, it indicates that the digital television does not support the data format of the predefined SUT table, and only supports the information table at the primary frequency point, and the information table is The NIT table, therefore, the digital television locally stores an NIT table broadcast only at the primary frequency, the NIT table including the version number. The frequency point is a preset frequency point for storing the NIT table, and the frequency point can be flexibly set according to a specific situation, and each frequency point stores corresponding program information.

At this time, when the digital television updates the program, the third obtaining module 500 needs to jump to the data of the main frequency point to load the NIT table. At the same time, a program update request is sent to the server to cause the server to transmit the transport stream data to the digital television according to the program update request. The digital television obtains the NIT table in the transport stream data transmitted by the server according to the identifier of the NIT table, and compares the version number of the NIT table stored locally by the digital TV with the version number of the NIT table sent by the server, if they are consistent, then The second update module 600 does not need to update the program; if not, the second update module 600 needs to update the program.

Specifically, the manner in which the second update module 600 updates the program may be: the digital television terminates the current program viewing activity, jumps to the program search interface, and sequentially acquires a PAT (Program Associate Table) and a PMT (Program). Mapping Table, Program Mapping Table, SDT (Service Description Table) and other data, in order to update the information table corresponding to each frequency point in order to achieve the purpose of updating the program.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

A program update method, characterized in that the program update method comprises the following steps:

When the terminal starts, or when receiving the program update instruction, acquiring a program data table corresponding to the current frequency point according to the activation signal of the terminal or the program update instruction; the program data table includes a version number and program information;

And when the program data table is obtained, sending, by the server, a terminal activation signal or a program update instruction, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction. ;

Receiving transport stream data sent by the server;

Obtaining the program data table in the transport stream data, and parsing the program data table to obtain a version number of the program data table;

And updating, when the version number of the program data table of the current frequency point is different from the version number of the program data table stored in the server, using the program information and the version number in the program data table stored in the server Corresponding program data table, the program data table includes program information of all frequency points.
The program update method according to claim 1, wherein the obtaining the program data table corresponding to the current frequency point comprises:

When the program data table is not obtained, acquiring an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

When the version number of the information table corresponding to the primary frequency point does not match the version number of the information table stored in the server, the information table corresponding to each frequency point is sequentially updated by using the information table stored in the server.
The program updating method according to claim 1, wherein said program information package program element, audio identifier, video identifier, program type, and program name.
A program update method, characterized in that the program update method comprises the following steps:

Obtaining a program data table corresponding to a current frequency point, where the program data table includes a version number and program information;

Acquiring the program data table and its version number stored in the server when the program data table is obtained;

And updating, when the version number of the program data table of the current frequency point is different from the version number of the program data table stored in the server, using the program information and the version number in the program data table stored in the server Corresponding program data table, the program data table includes program information of all frequency points.
The program update method according to claim 4, wherein the program data table and the version number thereof stored in the acquisition server comprise:

Sending a terminal activation signal or a program update instruction to the server, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction;

Receiving transport stream data sent by the server;

Obtaining the program data table in the transport stream data, and parsing the program data table to obtain a version number of the program data table.
The program update method according to claim 4, wherein the obtaining the program data table corresponding to the current frequency point comprises:

When the terminal is started, or when the program update instruction is received, the program data table corresponding to the current frequency point is acquired according to the activation signal of the terminal or the program update instruction.
The program update method according to claim 4, wherein the obtaining the program data table corresponding to the current frequency point comprises:

When the program data table is not obtained, acquiring an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

When the version number of the information table corresponding to the primary frequency point does not match the version number of the information table stored in the server, the information table corresponding to each frequency point is sequentially updated by using the information table stored in the server.
The program update method according to claim 5, wherein the obtaining the program data table corresponding to the current frequency point comprises:

When the program data table is not obtained, the information table corresponding to the main frequency point is acquired and stored in the server. a stored information table, the information table including a version number;

When the version number of the information table corresponding to the primary frequency point does not match the version number of the information table stored in the server, the information table corresponding to each frequency point is sequentially updated by using the information table stored in the server.
The program update method according to claim 6, wherein the obtaining the program data table corresponding to the current frequency point comprises:

When the program data table is not obtained, acquiring an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

When the version number of the information table corresponding to the primary frequency point does not match the version number of the information table stored in the server, the information table corresponding to each frequency point is sequentially updated by using the information table stored in the server.
A program updating method according to claim 4, wherein said program information package program element, audio identifier, video identifier, program type, and program name.
A program updating apparatus, wherein the program updating apparatus comprises:

a first acquiring module, configured to acquire a program data table corresponding to a current frequency point, where the program data table includes a version number and program information;

a second acquiring module, configured to acquire a program data table and a version number thereof stored in the server when the program data table is acquired;

a first update module, configured to: when the version number of the program data table of the current frequency point is different from the version number of the program data table stored in the server, use program information and a version in the program data table stored in the server The number updates the program data table corresponding to each frequency point, and the program data table includes program information of all frequency points.
The program updating apparatus according to claim 11, wherein the second obtaining module comprises:

a sending unit, configured to send a terminal activation signal or a program update instruction to the server, for the server to feed back the transport stream data to the terminal when receiving the terminal activation signal or the program update instruction;

a receiving unit, configured to receive transport stream data sent by the server;

And a parsing unit, configured to acquire the program data table in the transport stream data, and parse the program data table to obtain a version number of the program data table.
The program updating apparatus according to claim 11, wherein the program updating apparatus further comprises:

The triggering module is configured to start at the terminal, or when receiving the program update instruction, trigger the first acquiring module to acquire the program data table corresponding to the current frequency point according to the startup signal of the terminal or the program update instruction.
The program updating apparatus according to claim 11, wherein the program updating apparatus further comprises:

a third obtaining module, configured to acquire, when the second acquiring module does not obtain the program data table, an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

a second update module, configured to: when the version number of the information table corresponding to the primary frequency point is different from the version number of the information table stored in the server, sequentially update the information corresponding to each frequency point by using the information table stored in the server table.
The program updating apparatus according to claim 12, wherein said program updating means further comprises:

a third obtaining module, configured to acquire, when the second acquiring module does not obtain the program data table, an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

a second update module, configured to: when the version number of the information table corresponding to the primary frequency point is different from the version number of the information table stored in the server, sequentially update the information corresponding to each frequency point by using the information table stored in the server table.
The program updating apparatus according to claim 13, wherein said program updating means further comprises:

a third obtaining module, configured to acquire, when the second acquiring module does not obtain the program data table, an information table corresponding to the primary frequency point and an information table stored in the server, where the information table includes a version number;

a second update module, configured to save the version number of the information table corresponding to the primary frequency point and the server When the version numbers of the stored information tables are inconsistent, the information tables corresponding to the respective frequency points are sequentially updated by using the information table stored in the server.
A program updating apparatus according to claim 11, wherein said program information package program element, audio identifier, video identifier, program type, and program name.