Method and device for updating digital television receiver software

IPC classes for russian patent Method and device for updating digital television receiver software (RU 2346407):

H04N5/44 - Receiver circuitry ( H04N0005140000 takes precedence);;

H04H60/13 - BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspectsof broadcast systems H04N)

G06F9/445 -

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FIELD: physics, computer technology.

SUBSTANCE: invention refers to the sphere of digital television immediately dealing with systems providing for update of digital television receiver software. The proposed method of digital television receiver software update envisages the following: service software multiplexing into a traffic flow under a protocol pre-defined; retrieval of the service software data from the traffic flow by the digital television receiver and data storage; resetting the digital television receiver to enable receipt of the opposite side interface function addresses by the software of the digital television receiver and the service software; updating (via the software of the digital television receiver and the service software and in accordance with the addresses to have been retrieved) the default function addresses of the service software interface and the digital television receiver software.

EFFECT: independent update of service software whenever required without the digital television service provider having to particularly update terminal software.

10 cl, 4 dwg

The technical field

The invention relates to the field of digital media, and in particular to a method and apparatus for updating software in the digital television receiving device.

The level of technology

In addition to the numerous programs of digital television operators, television broadcasters have to offer individualized, donapaula interactive and sustainable development of data services for digital television to attract subscribers to contribute to the growth in the number of digital television subscribers and to develop new increase profits directions.

In the field of digital TV provider digital television receiving device and a provider of digital television services usually are not one and the same person. However, their software is closely related to each other in the digital television receiving device, although neither that, nor another is not necessary. Software provider-digital TV receiving device is focused on providing fundamental platforms and platforms for software at the hardware level, such as providing a stable platform operating systems, resource management, hardware drivers, decoding images and the images on the screen. Despite this, the software provider of digital television services focused on secondary improvements based platforms provided by the supplier of the digital television receiving device, i.e. for the provision of data services for digital television, such as a messaging service, a multimedia short message service available service information and information consultation, according to the requirements of broadcast operators. Different objectives lead to different requirements for the software update.

Software digital television receiving device currently available on the market usually includes three parts, such as terminal system software, utility software and software adaptation interface. After processing by the compiler and linker, these three parts are stored as a whole in non-volatile memory in the digital television receiving device according to certain rules. Any partial modification of data in one of the three parts without regard to the other two parts can cause system crashes during operation. Therefore, when any of the three parts need to be updated, should be re-generated Assembly file. Three parts have about novatica together. Figure 1 shows the principle of traditional solutions update.

When the service provider requires to update its software, the traditional solution update performs the following steps.

(A) Acquired the compiler, agreed with the CPU of the digital television receiving device to generate a Makefile to compile utility software and to create a library of utility software.

(B) Digital television receiving device modifies the Assembly file, creates a software library digital television receiving device and the library module adaptation interface.

(C) Digital television receiving device associates library service software, library software, digital television receiving device and the library module adaptation interface in the object file, and generates an executable file.

(D) Executable file is multiplexed into a transport stream (TS) via the update server according to a predefined Protocol.

(E) the Updater software digital television receiving device receives and extracts the data and assembles a new update file.

(F) a New update file, zapisywai is implemented in non-volatile memory (for example, FLASH).

Obviously, in the traditional technical solution software digital television receiving device must be updated together with the service software. However, the provider of digital television has a much greater need to update the software than the provider of the digital television receiving device. Considering the inconvenience subscribers resulting from the upgrade process, the provider of the digital television receiving device are often not inclined to update the software or unwilling to provide assistance to the provider of digital television services to update the software. Undoubtedly, this can create unnecessary problems in the development of digital television services. Due to the fact that the software of the digital television receiving device must be updated at the same time, when you upgrade utility software, the service provider software is sometimes limited by the provider of the digital television receiving device. In addition, in the case of reducing bandwidth, the software update will take a long time, resulting in the dissatisfaction of the subscriber, and throughput is multiplexor will be wasted.

The invention

In view of the foregoing, the invention provides a method and apparatus for updating software in the digital television receiving device to solve the problem in the prior art in that the terminal software of the digital television receiving device must be updated at the same time, when the utility software needs to be updated in the digital television receiving device.

The invention provides a method of updating software in the digital television receiving device. The method includes:

- multiplexing utility software transport stream according to a predefined Protocol;

- extract through a digital television receiving device data utility software from the transport stream and data retention utility software;

re - launch of the digital television receiving device, so that the software of the digital television receiving device receives the addresses of interface functions of the service software, and utility software receives the addresses of the functions of the interface of programs which CSOs provide digital television receiving device;

- update via software digital television receiving device default address of the interface functions of the service software according to the addresses obtained by the software of the digital television receiving device, and the update service software default address of the interface functions of the software of the digital television receiving device according to the addresses obtained utility software.

Before you save data utility software method may further include verifying the integrity and/or reliability of data utility software.

Data utility software can be stored in non-volatile memory after passed the test.

The method may further include engaging through software digital television receiving device, the initialization interface, utility software and sending addresses of interface functions of the software of the digital television receiving device, the required utility software, utility software, and send the service program is strongly oriented software addresses of interface functions of the service software required software digital television receiving device, software, digital television receiving device.

The method may further include engaging through software digital television receiving device moving function provided by the operating system to move back-office software, and return through the displacement displaced addresses of interface functions of the service software.

The invention also provides a device software download for software installation and updates, which includes the interface module initialization processing module of the new version of office software, the extraction module interface, utility software and the upgrade engine interface utility software.

The processing module new version of the utility software designed to detect and maintain utility software new version and returns the location of the storage service software module interface initializati is;

the interface module initialization performed with the opportunity to interact with the software of the digital television receiving device, receiving the call instruction and operation of the extraction module interface utility software to extract information about the interface service software instructions call;

the extraction module interface utility software designed to interact with the service software and retrieve information about the interface, utility software and send information about the service interface software Updater interface utility software;

the Updater interface utility software designed to update the default address of the interface functions of the service software required software digital television receiving device, in accordance with information about the service interface of the software is represented by the extraction module interface utility software.

Boot device software may further include a scan module, made possible with the TEW receive instructions from the processing module of the new version of office software verify the authenticity and/or integrity of the service software and return the result of the scan processing module of the new version of office software.

The extraction module interface utility software may be further configured to retrieve initialization interface, utility software, send addresses of interface functions of the software of the digital television receiving device, the required service software, service software, receiving addresses of interface functions of the service software required software digital television receiving device, utility software and return addresses of interface functions of the service software upgrade engine interface utility software.

The extraction module interface utility software may additionally be configured to enable the module move, as provided in the operating system of the digital television receiving device, moving, utility software and return of displaced addresses of interface functions of the service programme the welfare of the Updater interface utility software.

Boot device software can be integrated in the digital television receiving device, the server utility software or any other separate devices.

By using the technical solutions according to the invention utility software and terminal software of the digital television receiving device can be updated separately, as there is no direct function of the interaction between the service software and terminal software, in other words, utility software and terminal software independent from each other.

Using the method according to the invention the operators do not need to build their own update servers again, so that the network costs can be saved.

Because utility software regardless of the terminal software of the digital television receiving device, in the case originally assigned bandwidth server update utility software can be quickly updated, and the user wait time can be reduced.

As a service software regardless of the terminal software the digital television receiving device, utility software can be stored in non-volatile memory regardless of the terminal software of the digital television receiving device. In this way the service software may be encrypted and packaged well to protect utility software from disassembling. Thus, the security software can be greatly improved.

Brief description of drawings

Figure 1 shows a technical solution to update the software of the digital television receiving device and utility software from the previous level of equipment;

Figure 2 shows a technical solution to update the software of the digital television receiving device and utility software according to a variant embodiment of the invention;

Figure 3 is a block diagram showing a method of updating software according to the invention;

4 is a structural diagram showing the loading module according to the invention.

Detailed description of embodiments

Later in this document the principle of the invention will be described using set-top boxes (STB), which is a digital television receiving device, the quality is the firmness of the sample. Figure 2 shows the technical solution of the pack according to the invention. As shown in figure 2, the updated official file sent to the server service pack separately. Sold compiler, agreed with the CPU set-top boxes to create a Makefile that compiles utility software and a library of utility software. Figure 3 shows the update process according to the invention as follows.

A. Utility software is multiplexed in a particular transport stream (TS) server update utility software according to a predefined Protocol.

C. Terminal software set-top box detects the service software new version, retrieves the data and stores the data in non-volatile memory.

C. After the terminal software set-top boxes recycled terminal software set-top box receives the addresses of interface functions of the service software, and utility software receives addresses of interface functions of the terminal software set-top boxes.

D. Terminal software TV Prista the key updates required default addresses of interface functions of the service software, using addresses obtained terminal software set-top boxes, and utility software updates required default addresses of interface functions of the terminal software set-top boxes using addresses obtained utility software.

After saving utility software a new version of the terminal set-top box records the specific identification of a particular storage module. At the start of the next time the terminal software set-top box reads some identification, such as "DSMCCUPGRADE", from the storage module. If the terminal STB finds that the identification is read from a particular storage engine is a definite identification indicating that the service software new version is available, the terminal STB goes to the update process, i.e. the process of updating utility software. Otherwise, the terminal STB goes to the normal maintenance process.

On stage after the discovery service software new version and extract data terminal software set-top boxes can check lastnosti, the validity and verification of the official version of the software and to check the accuracy of the information pack. After the verification is passed, the terminal software set-top box stores the data in non-volatile memory.

Utility software can be for relocatable object file or object file in an absolute location.

In the first embodiment of the invention, after creating a library, utility software, library utility software can be completely located in the agreed position memory through the use of specialized tools placement. In this case, the update method according to the invention is as follows.

(A1) back-Office software in the absolute location is multiplexed in a particular transport stream (TS) server update utility software according to a specific Protocol (for example, Protocol Digital media storage - command and control (DSMCC)).

(B1) Terminal software set-top box detects the service software new version, retrieves the data and verifies the authenticity and integrity of the service software both the biscuits, then saves utility software after the validation.

(C1) When you restart the terminal software set-top boxes will use the initialization interface, utility software, and sends the addresses of interface functions of the terminal software set-top box service software. In response, the interface initialization utility software returns addresses of interface functions of the service software required terminal software set-top box terminal software set-top boxes.

(D1) With the symmetric run the service software updates internally defined default address of the terminal software set-top boxes according to the addresses of interface functions of the terminal software set-top boxes provided by the terminal software set-top boxes.

(E1) Terminal software set-top box updates the default addresses of interface functions of the service software required terminal software set-top boxes, according to the but the addresses of interface functions of the service software, provided utility software.

(F1) Terminal software set-top boxes and proprietary software both use the updated address.

In the second embodiment of the invention for the terminal set-top boxes, which partially supports the move software, utility software can be embedded in a relocatable object file, using the library functions provided by the operating system of the terminal set-top boxes. In this case, the update method according to the invention is as follows.

(A2) a Utility software is multiplexed in a particular transport stream (TS) server update utility software according to the specified Protocol.

(B2) Terminal software set-top box detects the service software new version, retrieves the data and verifies the authenticity and integrity of the utility software, then saves utility software after the validation.

(C2) When you restart the terminal software set-top boxes will use the move feature provided in the operating system, so that p is namestiti utility software and returns of displaced addresses of interface functions of the service software.

(D2) After the symmetric run the service software updates internally defined default address of the terminal software set-top boxes according to the addresses of interface functions of the service software provided terminal software set-top boxes.

(E2) Terminal software set-top box updates the default addresses of interface functions of the service software required terminal software set-top boxes, according to the addresses of the functions provided by the utility software.

(F2) Terminal software set-top boxes and utility software, both use the updated address of the interface.

The invention also provides a boot device. The device is designed to extract data file upgrade utility software from the transport stream (TS) according to a specific Protocol, such as Protocol DSMCC, and write data in non-volatile memory, e.g. flash memory. In addition, when the utility software is started, the device can provide in order to verify the version, the authenticity and integrity of the utility software, and to verify the accuracy of information updates, etc.

As shown in figure 4, the loading device includes an interface module initialization processing module of the new version of office software, the extraction module interface, utility software and the upgrade engine interface utility software. When the utility software is multiplexed in a particular transport stream (TS) server update utility software according to a specific Protocol processing module of the new version service software detects service software new version, retrieves the data and stores the service software, and returns the location of the storage service software module interface initialization.

When the terminal software set-top boxes is started next time, the terminal software set-top box enables the interface module initialization. The interface module initialization involves querying extraction module interface utility software to extract information about the interface service the service software. The extraction module interface utility software interacts with the modules utility software to extract information about the interface, utility software, and sends the information about the interface utility software Updater interface utility software. The Updater interface utility software updates default addresses of interface functions of the service software required terminal software set-top boxes, according to the addresses of the functions contained in information about the interface that is provided utility software.

In the first embodiment, a loading device according to the invention after the service software multiplexed in a particular transport stream (TS) server update utility software according to a specific Protocol processing module of the new version service software detects service software new version, retrieves the data and sends the instruction validation module checks. The module receives the instruction and checks the authenticity and integrity of the utility software and C is the returns the result to the processing module of the new version service software after as a validation test. The processing module of the new version service software stores office software and returns the location of the storage service software module interface initialization.

When the terminal software set-top boxes is started next time, the terminal software set-top box enables the interface module initialization. The interface module initialization involves querying extraction module interface utility software to extract information about the interface utility software. The extraction module interface utility software retrieves initialization interface, utility software, sends the address of the interface terminal software set-top box service software and accepts addresses of interface functions of the service software required terminal software set-top boxes, utility software, and sends the addresses of interface functions of the service software upgrade engine interface utility software. The Updater interface Slu is ebogo software updates default addresses of interface functions of the service software according to the addresses of the interface functions provided utility software, as required terminal software set-top boxes.

In the second embodiment, a loading device according to the invention after the service software in the form of a relocatable object file multiplexed in a particular transport stream (TS) server update utility software according to a specific Protocol processing module of the new version service software detects service software new version, and retrieves the data and sends the instruction validation module checks. The module receives the instruction, it checks the authenticity and integrity of the utility software and then returns the result to the processing module of the new version of the service software when the scan completed. The processing module of the new version service software stores office software and returns the location of the storage service software module interface initialization.

When the terminal software set-top boxes is started next time, the terminal software set-top boxes will use the online module is RFAS initialization. The interface module initialization involves querying extraction module interface utility software to extract information about the interface utility software. The interface module utility software uses the function module move stipulated in the operating system, set-top boxes to move back-office software, and sends moved addresses of interface functions of the service software upgrade engine interface utility software. The Updater interface utility software updates default addresses of interface functions of the service software according to the addresses of the interface functions provided by a service software as required terminal software set-top boxes.

Using the method and device for updating software according to the invention the service software and the software of the digital television receiving device can be updated separately, as there is no direct interaction between the service software and software digital TV host is trojstva, that is, utility software, and software is the invention of the digital television receiving device are independent of each other. Operators do not need to build their own update servers, so that the network costs can be reduced. In addition, using the method and device of the invention can be achieved quick update utility software, so that the waiting time for users can be reduced. In addition, security of intellectual property providers can be significantly increased.

1. How to update software in the digital television receiving device, comprising stages on which:

multiplexer utility software transport stream according to a predefined Protocol;

retrieve, by the digital television receiving device, the data utility software from the transport stream and save data utility software;

re-launch of the digital television receiving device, so that the software of the digital television receiving device receives the addresses of interface functions of the service software, and utility programs the Noah software receives addresses of interface functions of the software of the digital television receiving device;

update using the software, the digital television receiving device, the default addresses of interface functions of the service software according to the addresses obtained by the software of the digital television receiving device, and updating, by the service software, the default addresses of interface functions of the software of the digital television receiving device according to the addresses obtained utility software.

2. The method according to claim 1, wherein before the data retention utility software, the method further comprises a stage on which:

check at least one of the integrity or reliability of the service software.

3. The method according to claim 2, in which the data service software stored in the nonvolatile memory after the validation.

4. The method according to claim 1, the method further comprises steps in which: involves using the software, the digital television receiving device, the initialization interface, utility software, and send addresses of interface functions of the software of the digital television receiving device is VA, required utility software, utility software, and send, via the utility software, the addresses of interface functions of the service software required software digital television receiving device, software, digital television receiving device.

5. The method according to claim 1, additionally containing a stage at which: involves using the software, the digital television receiving device, the moving option provided in the operating system to move back-office software, and return through the move, displaced addresses of interface functions of the service software.

6. Device boot software to install and update software, comprising: an interface module initialization processing module of the new version of office software, the extraction module interface, utility software and the upgrade engine interface utility software; and:

the processing module new version of the utility software designed to detect and maintain the service programmirovaniya new version and return the storage location of the service software interface module initialization;

7. Device software download according to claim 6, further containing a scan module configured to receive instructions from the processing module of the new version of office software checking at least one of the reliability or integrity of utility software and return the result of the scan processing module of the new version of office software.

8. Device software download according to claim 6 or 7, in which the extraction module interface utility software is additionally configured to retrieve initialization interface, utility software, send addresses of interface functions of the software of the digital television receiving device, the required service software, service software, receiving addresses of interface functions of the service software required software digital television receiving device, utility software, and return addresses of interface functions of the service software upgrade engine interface utility software.

9. Device software download according to claim 6 or 7, in which the extraction module interface utility software is additionally configured to enable the module move, as provided in the operating system of a digital television, a modification of the feeder, move utility software and return of displaced addresses of interface functions of the service software upgrade engine interface utility software.

10. Device software download according to claim 6, whereby the boot device software integrated in the digital television receiving device, or server utility software.