CN112312212A - Upgrading method of digital television system and related device - Google Patents
Upgrading method of digital television system and related device Download PDFInfo
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- CN112312212A CN112312212A CN201910694228.8A CN201910694228A CN112312212A CN 112312212 A CN112312212 A CN 112312212A CN 201910694228 A CN201910694228 A CN 201910694228A CN 112312212 A CN112312212 A CN 112312212A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory available
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
Abstract
The invention discloses an upgrading method and a related device of a digital television system, when a new version system higher than the current version of the digital television is determined to exist, the storage space for storing a description file and an upgrading file is not required to be reserved locally when an upgrading program is executed, the description file and the upgrading file are stored in a system memory in the upgrading process, the upgrading program is executed once every time one upgrading file is downloaded in the upgrading process, the downloaded upgrading file is deleted after the upgrading program is finished, the system memory is released, and the next upgrading file is downloaded until the upgrading is finished. Compared with the prior art, a large amount of local storage space can be saved for storing important data which are interested by users, and therefore the utilization rate of the storage space of the digital television is improved.
Description
Technical Field
The present invention relates to the field of digital television technologies, and in particular, to an upgrade method and a related apparatus for a digital television system.
Background
Over-the-Air Technology (OTA for short) upgrade is a standard upgrade mode of the current Android system. OTA upgrade has powerful functions and can upgrade the system without damage. Currently, the OTA upgrade method is to download a complete upgrade package or a differential upgrade package through a network, then execute an upgrade program, and extract upgrade files or differential files one by one from the upgrade package or the differential upgrade package for upgrade.
The premise that the OTA upgrading mode can be successfully upgraded is that a sufficient storage space must be reserved in the terminal for storing the OAT upgrade package, and the reserved storage space needs to be reserved according to the maximum possible size of the upgrade package, which means that the terminal always needs to reserve a part of storage space to wait for the terminal to be upgraded, but cannot use the part of storage space to store important data required by a user, and the waste of the storage space is undoubtedly caused.
Disclosure of Invention
The invention provides an upgrading method of a digital television system and a related device, which are used for saving a local storage space required by upgrading of a digital television.
In a first aspect, the present invention provides a method for upgrading a digital television system, including:
when determining that a new version system higher than the current version of the digital television exists, sequentially executing a double-channel upgrading program and a single-channel upgrading program;
restarting the digital television and running a new version system;
wherein, executing the dual-channel upgrade program and the single-channel upgrade program comprises:
downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end;
reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time:
when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information;
executing an upgrading program according to the upgrading file downloaded at the time;
after the upgrading program is executed, deleting the downloaded upgrading file to release the system memory;
until the size and the storage address information of each upgrade file in the description file are read.
In an implementation manner, in the foregoing method provided by the present invention, a line of statements of the description file stores an identifier and a size of an upgrade file, and address information stored in a cloud;
the reading the size and the storage address information of each upgrade file in the description file one by one specifically includes:
reading according to the sequence from the first line of sentences to the last line of sentences of the description file, and sequentially obtaining the size and storage address information of each upgrade file;
the step of reading the size and the storage address information of each upgrade file in the description file includes:
judging whether the currently read sentences are the last line of sentences of the description file or not when the description file is read each time; when the judgment result is negative, continuing to read the next line of sentences of the description file; and when the judgment result is yes, determining that the address information of each upgrading file in the description files is completely read.
In an implementable embodiment, the above method provided by the present invention, further comprising:
when the upgrading program is interrupted and the upgrading program is started next time, checking whether the upgrading files are upgraded successfully one by one according to the sequence of the upgrading file identifications stored in the description files;
and when the upgrade file is not upgraded successfully, downloading the upgrade file to a system memory and executing upgrade operation until all upgrade files are upgraded successfully.
In an implementation manner, in the foregoing method provided by the present invention, when the dual-channel upgrade program is executed, downloading the description file to a system memory includes:
judging whether the residual memory of the current system is enough for storing the description file;
when the residual memory of the current system is determined to be enough for storing the description file, allocating the system memory for the description file, and downloading the description file to the allocated system memory; when the fact that the residual memory of the current system is not enough for storing the description file is determined, waiting for a set time period to judge whether the residual memory of the current system is enough for storing the description file again;
downloading the upgrade file to a system memory, comprising:
judging whether the residual memory of the current system is enough for storing the upgrade file;
when the current residual system memory is determined to be enough for storing the upgrade file, distributing the system memory for the upgrade file, and downloading the upgrade file to the distributed system memory; and when the fact that the residual memory of the current system is not enough for storing the upgrade file is determined, waiting for a set time period to judge whether the residual memory of the current system is enough for storing the upgrade file again.
In an implementable embodiment, the present invention provides the above method, wherein the flash memory of the digital television comprises a set flag bit, and the set flag bit is used for storing flag information;
after the two-channel upgrade program is executed, the method further comprises:
setting the flag information of the set flag bit as first flag information;
when the digital television is restarted and the first mark information is read, operating the single-channel upgrading program;
after the single-channel upgrade program is executed, the method further comprises:
setting the flag information of the set flag bit as second flag information;
and starting the digital television system when the second mark information is read after the digital television is restarted.
In an implementable embodiment, the above method provided by the present invention, before executing the two-channel upgrade procedure, further comprises:
sending an authentication request with the equipment attribute information of the digital television to a cloud end;
receiving an authentication result returned by the cloud;
when the authentication result contains identification information which is successfully authenticated, determining that the digital television is successfully authenticated and storing the identification information which is successfully authenticated into a system memory; otherwise, determining that the digital television authentication fails;
after the digital television is successfully authenticated, sending a detection request with the current version information of the digital television system and the identification information of the successful authentication to a cloud end;
receiving a detection result returned by the cloud end;
when the detection result contains new version system information higher than the current version of the digital television system, determining that the new version system higher than the current version of the digital television system exists and storing the new version system information into a system memory; otherwise, determining that a new version system of the current version of the digital television system does not exist.
In an implementable embodiment, the above method provided by the present invention further comprises, after the performing of the two-channel upgrade procedure and before the performing of the single-channel upgrade procedure:
sending an authentication request with the equipment attribute information of the digital television to a cloud end;
receiving an authentication result returned by the cloud, and storing identification information of successful authentication in the authentication result into a system memory;
after the digital television is successfully authenticated, sending a detection request with the current version information of the digital television system and the identification information of the successful authentication to a cloud end;
and receiving a detection result returned by the cloud, and storing the new version system information in the detection result to a system memory.
In a second aspect, the present invention provides an upgrade apparatus method for a digital television system, including:
the upgrading module is used for sequentially executing a double-channel upgrading program and a single-channel upgrading program when determining that a new version system higher than the current version of the digital television exists; restarting the digital television after the upgrade program is executed;
the upgrading module is specifically used for downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the upgrading file downloaded at the time; after the upgrading program is executed, deleting the downloaded upgrading file to release the system memory; until the size and the storage address information of each upgrade file in the description file are read.
In a third aspect, the present invention provides a digital television comprising:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory, and executing according to the obtained program: when determining that a new version system higher than the current version of the digital television exists, sequentially executing a double-channel upgrading program and a single-channel upgrading program; restarting the digital television and running a new version system; wherein, executing the dual-channel upgrade program and the single-channel upgrade program comprises: downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the upgrading file downloaded at the time; after the upgrading program is executed, deleting the downloaded upgrading file to release the system memory; until the size and the storage address information of each upgrade file in the description file are read.
In a fourth aspect, the present invention provides a readable storage medium storing digital television-executable instructions for causing a digital television to perform any of the methods described above.
According to the upgrading method and the related device of the digital television system, when a new version system higher than the current version of the digital television is determined to exist, a double-channel upgrading program and a single-channel upgrading program are sequentially executed; restarting the digital television and operating a new version system; wherein, carry out binary channels upgrading procedure and single channel upgrading procedure, all include: downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the downloaded upgrading file; deleting the downloaded upgrade file to release the system memory after the upgrade program is executed; until the size and the storage address information of each upgrade file in the description file are read. When the upgrading program is executed, a storage space for storing the description file and the upgrading file is not required to be reserved locally, the description file and the upgrading file are stored in a system memory in the upgrading process, the upgrading program is executed once every time one upgrading file is downloaded in the upgrading process, the downloaded upgrading file is deleted after the upgrading program is finished, the system memory is released, and then the next upgrading file is downloaded until the upgrading is finished. Compared with the prior art, a large amount of local storage space can be saved for storing important data which are interested by users, and therefore the utilization rate of the storage space of the digital television is improved.
Drawings
Fig. 1 is a flowchart of an upgrade method for a digital television system according to an embodiment of the present invention;
fig. 2 is a second flowchart of an upgrade method for a digital television system according to an embodiment of the present invention;
fig. 3 is a third flowchart of an upgrade method for a digital television system according to an embodiment of the present invention;
fig. 4 is a fourth flowchart of an upgrade method of a digital television system according to an embodiment of the present invention;
fig. 5 is an information interaction diagram of a digital television and a cloud provided by the embodiment of the present invention;
FIG. 6 is a schematic illustration of a display of a user interface provided by an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an upgrading apparatus of a digital television system according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a digital television according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
OTA upgrading is a common upgrading mode of the Android system at present. At present, when OTA upgrading is carried out, a terminal can send an upgrading request to a cloud end, and the cloud end can return a downloading link of a compression package for upgrading to the terminal; the terminal can download the embossing package for upgrading to the local according to the download link. The compressed package contains the description files of all the upgrade files and all the upgrade files. The terminal can find the corresponding upgrade file according to the description file to perform upgrade operation. Therefore, in the existing OTA upgrading, enough space needs to be reserved for terminal upgrading locally for downloading and storing upgrading file packages or differential file packages, so that the reserved storage space can not be used for storing important data required by a user, and the waste of the storage space is caused.
In view of the above, a first aspect of the embodiments of the present invention provides an upgrade method for a digital television system, as shown in fig. 1, the upgrade method may include:
s10, when determining that a new version system higher than the current version of the digital television exists, sequentially executing a double-channel upgrading program and a single-channel upgrading program;
and S20, restarting the digital television, and running a new version system.
According to the digital television upgrading method provided by the embodiment of the invention, when a high-version system higher than the current version of the digital television system is determined to exist, the double-channel upgrading program can be executed firstly, and then the single-channel upgrading program can be executed. The dual-channel upgrading program is silent upgrading, and the background upgrading program can be executed while the use of the digital television by a user is not influenced. When the dual-channel upgrade is carried out, only important files of the digital television system need to be upgraded, and the system can be restarted and has a networking function after the dual-channel upgrade is finished. And restarting the digital television to run the single-channel upgrading program after the execution of the double-channel upgrading program, wherein the single-channel upgrading needs to upgrade the system and all applications under the system, and at the moment, the digital television only runs the upgrading program and can upgrade according to all upgrading files or differential upgrading files related to the upgrading. And after the single-channel upgrading program is executed, the digital television is restarted, and the new system can be operated.
In specific implementation, a reserved setting flag bit is provided in a flash memory of the digital television for storing flag information, and which program is executed after the digital television is restarted can be indicated by modifying the flag information in the setting flag bit. In the embodiment of the invention, after the dual-channel upgrading program is executed, the flag information of the set flag bit can be set as the first flag information, so that the single-channel upgrading program can be directly operated by reading the first flag information after the digital television is restarted; after the single-channel upgrading program is executed, the flag information of the set flag bit can be modified into second flag information, so that the digital television system can be normally started when the second flag information is read after the digital television is restarted. The flag information usually occupies only 1-2 bytes, so the influence on the local storage space of the digital television can be ignored.
In the embodiment of the invention, when the double-channel upgrading program is operated and the single-channel upgrading program is executed, the description files downloaded from the cloud end are different description files; when the dual-channel upgrading program is operated, the downloaded description file is the dual-channel upgrading description file, and when the single-channel upgrading program is executed, the downloaded description file is the single-channel upgrading description file. Under general conditions, upgrading related information such as identification, size, storage address at a cloud end, check value information before and after upgrading and the like of all upgrading files required by upgrading can be stored in the description files, and upgrading files, the size and the storage address information of the upgrading files related to double-channel upgrading at the cloud end are different from upgrading files, the size and the storage address information of the upgrading files related to single-channel upgrading at the cloud end, so that two description files respectively aiming at double-channel upgrading and single-channel upgrading are required to be stored in the cloud end aiming at the upgrading files of a new version of system, and when a double-channel upgrading program is executed, the digital television can download the double-channel upgrading description files at the cloud end; and when a single-channel upgrading program is executed, the digital television can download a single-channel upgrading description file at the cloud.
The following describes the execution process of the two-channel upgrade and the single-channel upgrade. Executing a two-channel upgrade procedure and a single-channel upgrade procedure, each comprising the following steps as shown in fig. 2:
s101, downloading a description file to a system memory;
as described above, the description file stores the identification and size of each upgrade file and the storage address information at the cloud; the identification of the upgrade file is used for referring to the specific upgrade file, and the digital television can download the upgrade file at the corresponding position of the cloud according to the identification of the upgrade file and the storage address information at the cloud.
S102, reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time:
s103, when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information;
s104, executing an upgrading program according to the downloaded upgrading file;
s105, deleting the downloaded upgrade file to release the system memory after the upgrade program is executed;
until the size and the storage address information of each upgrade file in the description file are read.
In the above-mentioned upgrading method provided in the embodiment of the present invention, after the description file for describing the relevant upgrading information is downloaded, the size and the storage address information of the upgrading file in the description file are read one by one, and the upgrading file needs to be downloaded to the system memory, so that it is necessary to determine whether the remaining memory of the current system is sufficient before downloading the upgrading file each time, and when the remaining memory of the current system is greater than or equal to the size of the upgrading file, the corresponding upgrading file is downloaded to the system memory according to the storage address information of the upgrading file, the upgrading program is executed according to the upgrading file, and the upgrading file downloaded this time is deleted in the system memory after the upgrading program result. And then reading the storage address information of the next upgrade file at the cloud, and continuing to execute the steps of downloading the upgrade file and executing the upgrade program until all the upgrade files in the description file are completely read. Therefore, when the upgrading program is executed, only the system memory is occupied, so that the storage space does not need to be reserved for the upgrading file locally, and the saved storage space can be used for storing important data which are interested by a user, thereby improving the utilization rate of the storage space of the digital television.
The upgrade file identification, the size and the storage address information in the cloud end in the description file have a set sequence, and the size and the storage address information of the upgrade file can be read according to the sequence in specific implementation. In an implementation manner, a line of statements of the description file may store an identifier of an upgrade file and storage address information at the small and cloud sides, and then in step S102, the reading of the size and the storage address information of each upgrade file in the description file one by one may specifically include:
reading according to the sequence from the first line of sentences to the last line of sentences of the description file, and sequentially obtaining the size and storage address information of each upgrade file;
correspondingly, in the above step, until the size and the storage address information of each upgrade file in the description file are read, the method specifically includes:
when the description file is read every time, judging whether the currently read sentences are the last line of sentences of the description file; when the judgment is negative, continuing to read the next line of sentences of the description file; and when the judgment result is yes, determining that the address information of each upgrading file in the description files is completely read.
The identification, size and storage address information of the upgrade file are stored according to the statement line mode, the effect of identifying the read position of the upgrade file can be achieved, reading is carried out according to the sequence from the first line statement to the last line statement when the description file is read, the number of the lines of the statements of the read description file indicates the number of the upgraded upgrade file, and after the last line statement of the description file is read, the corresponding upgrade file is downloaded to execute the upgrade program, namely the upgrade program is completed.
During the execution of the upgrade program, it may happen that the digital tv is powered off to turn off the tv. In this case, the upgrade program is interrupted, resulting in a failed upgrade. Then, in view of the above similar situations, the above upgrading method provided in the embodiment of the present invention may further include:
when the upgrading program is interrupted and the upgrading program is started next time, checking whether the upgrading files are upgraded successfully one by one according to the sequence of the upgrading file identifications stored in the description files;
and when the upgrade file is not upgraded successfully, downloading the upgrade file to a system memory and executing upgrade operation until all upgrade files are upgraded successfully.
When the network is interrupted in the upgrading process, the network needs to be reconnected continuously, the direct connection is successful, and the upgrading program is continuously executed, so that all the upgrading files are upgraded successfully.
In the above-mentioned upgrading method provided in the embodiment of the present invention, the description file and the upgrade file need to be downloaded to the system memory, and in the dual-channel upgrading stage, the system runs other programs of the digital television except for the upgrade program, and the system memory needs to be occupied at the same time, so before downloading the description file and the upgrade file, it is determined whether the remaining memory of the current system is sufficient to store the downloaded file, and when the downloaded file is sufficient to store, the system memory is pre-allocated for the file to be downloaded, and the file is downloaded to the allocated system memory to execute the corresponding operation.
Specifically, when the dual-channel upgrade program is executed, the downloading the description file to the system memory in step S101 may specifically include the following steps as shown in fig. 3:
s1011, judging whether the residual memory of the current system is enough for storing the description file; executing step S1012 when it is determined that the current system residual memory is enough for storing the description file, and executing step S1013 when it is determined that the current system residual memory is not enough for storing the description file;
s1012, distributing a system memory for the description file, and downloading the description file to the distributed system memory;
s1013 waits for a set period of time, and step S1011 is executed again.
In specific implementation, the digital television firstly sends a detection request whether a new version system higher than the current version of the digital television system exists to the cloud, and when the cloud determines that the new version system exists, the cloud returns the new version system information and the size of the description file together with a detection result to the digital television. In order to not occupy a local storage space, the description file is downloaded to a system memory in the embodiment of the invention, before the description file is downloaded, after the digital television knows the space required to be occupied by the description file, whether the residual memory of the current system is enough for storing the description file needs to be judged, when the residual memory of the system is enough, the memory is pre-allocated for the description file, and when the description file is downloaded, the description file is directly stored into the previously allocated system memory; and when the remaining memory of the system is insufficient, waiting for a set time period, and judging whether the remaining memory of the current system is sufficient again until the system memory is sufficient and the description file can be downloaded.
Similarly, in step S103, downloading the upgrade file to the system memory may specifically include the following steps as shown in fig. 4:
s1031, judging whether the residual memory of the current system is enough for storing the upgrade file; executing step S1032 when the current residual system memory is determined to be enough for storing the upgrade file, and executing step S1033 when the current residual system memory is determined to be not enough for storing the upgrade file;
s1032, distributing a system memory for the upgrade file, and downloading the upgrade file to the distributed system memory;
s1033, wait for a set period of time, and perform step S1031 again.
In specific implementation, the description file already contains the size information of each upgrade file, so that before the upgrade file is downloaded, whether the remaining system memory is enough to store the upgrade file to be downloaded can be determined according to the size information of the upgrade file to be downloaded, when the remaining system memory is enough, the memory is pre-allocated to the upgrade file to be downloaded, and when the corresponding upgrade file is downloaded, the upgrade file is directly stored in the previously allocated system memory; and when the remaining memory of the system is insufficient, waiting for a set time period, and judging whether the remaining memory of the current system is sufficient again until the system memory is sufficient and the upgrade file can be downloaded.
When the single-channel upgrading program is executed, the system memory of the digital television is fully used for upgrading, so that the system memory is sufficient, whether the residual memory of the current system is sufficient is not required to be judged any more during the single-channel upgrading, and the corresponding file is directly downloaded.
In addition, before executing the dual-channel upgrade program, identity authentication needs to be performed on the digital television, and specifically, refer to an information interaction diagram of the digital television and the cloud shown in fig. 5.
Before executing all upgrading programs, the digital television sends an authentication request with equipment attribute information of the digital television to the cloud; the device attribute information may include device code, password of the digital tv, country of production of the digital tv, sequence, and the like. When receiving the authentication request, the cloud end can verify whether the digital television is legal or not according to the equipment attribute information of the digital television, and can return an authentication result to the data television. In general, when the cloud verifies that the digital television is legal, the cloud returns identification information which is successfully authenticated to the digital television together with the identification information in the authentication result, and when the digital television determines that the authentication result carries the identification information which is successfully authenticated, the digital television indicates that the digital television is successfully authenticated, the digital television stores the identification information which is successfully authenticated to a system memory, and then adds the identification information which is successfully authenticated to any request initiated by the cloud, and if the authentication result indicates that the digital television is unsuccessfully authenticated, the current program is stopped at this time.
Only after the authentication is successful, the data television can send a request for detecting the new version system to the cloud, and when the data television sends the detection request, the current version information of the digital television system and identification information of the successful authentication need to be attached to the detection request. And the cloud compares the received current version information with the stored version information, and returns the information of the new version system and the detection result to the digital television together when the new version system higher than the current version is confirmed to exist. And when the digital television determines that a new version system higher than the current version exists, the new version system information is stored in a system memory, and a request for downloading the dual-channel upgrade description file is sent to the cloud end to execute the dual-channel upgrade program. And if the digital television determines that there is no new version system higher than the current version, the current program is aborted.
After the dual-channel upgrade program is executed, the digital television needs to be restarted, and at this time, the successfully authenticated identification information and the new version system information stored in the memory of the digital television system are all cleared, so that the processes of identity authentication and new version detection still need to be performed again before the single-channel upgrade is executed, and the processes of identity authentication and new version detection are similar to those of identity authentication before the dual-channel upgrade, which can be specifically referred to the information interaction diagram of the digital television and the cloud shown in fig. 5, and are not described herein again.
It can be understood that, in the above-mentioned upgrading method provided in the embodiment of the present invention, no matter in the dual-channel upgrading stage or in the single-channel upgrading stage, the upgrade files need to be sequentially downloaded at the cloud, so that when the dual-channel upgrading program is executed, the system functions need to include networking and socket interfaces, and thus when the single-channel upgrading program is entered, the system can also be networked to continuously download the single-channel upgrade description file and the upgrade file required for single-channel upgrading.
The current differential synthesis process is to backup the current version of the digital television system corresponding to the file to be upgraded, then to execute synthesis by using the backup file and the differential file to generate a synthesis result file, and finally to execute the upgrade program according to the synthesis result file. The differential files, the backup files and the synthesis result files involved in this process all need to be saved in the reserved storage space. In the embodiment of the present invention, a storage space is not reserved for upgrading, so that if a differential synthesis program is executed, all three files that need to be involved are stored in a system memory, and the occupied system memory is large. In view of saving system memory occupation, the embodiment of the invention can upgrade in a file coverage mode, namely, the upgrade file downloaded in the upgrading process is a complete upgrade file.
In addition, silent upgrade is required during dual-channel upgrade, and a user interface displays applications being used by a user. And during single-channel upgrade, the digital television system only runs the upgrade program, in order to improve user experience and avoid the user from considering that the digital television is abnormally started, the related information of the single-channel upgrade and the upgrade progress bar can be displayed on a user interface, and a display schematic diagram of the user interface is shown in fig. 6.
In a second aspect of the embodiments of the present invention, there is provided an upgrading apparatus for a digital television system, as shown in fig. 7, the upgrading apparatus may include:
the upgrading module 71 is configured to sequentially execute a dual-channel upgrading program and a single-channel upgrading program when it is determined that a new version system higher than the current version of the digital television exists; and restarting the digital television after the upgrade program is executed.
The upgrade module 71 is specifically configured to download the description file to the system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the downloaded upgrading file; deleting the downloaded upgrade file to release the system memory after the upgrade program is executed; until the size and the storage address information of each upgrade file in the description file are read.
The upgrading device provided by the embodiment of the invention does not need to reserve a storage space for storing the description file and the upgrading file locally when the upgrading program is executed, but stores the description file and the upgrading file in the system memory during the upgrading process, executes the upgrading program once every time one upgrading file is downloaded during the upgrading process, deletes the downloaded upgrading file after the upgrading program is finished, releases the system memory, and downloads the next upgrading file until the upgrading is finished. Compared with the prior art, a large amount of local storage space can be saved for storing important data which are interested by users, and therefore the utilization rate of the storage space of the digital television is improved.
Optionally, a line of statements of the description file stores identification and size of an upgrade file and storage address information at the cloud; the upgrading module 71 is specifically configured to read the statements from the first line to the last line of the description file in sequence, and obtain the size and the storage address information of each upgrading file in sequence; when the description file is read every time, judging whether the currently read sentences are the last line of sentences of the description file; when the judgment is negative, continuing to read the next line of sentences of the description file; and when the judgment result is yes, determining that the address information of each upgrading file in the description files is completely read.
Optionally, the upgrade module 71 is further configured to, when the upgrade program is interrupted and the upgrade program is started next time, check whether each upgrade file is successfully upgraded one by one according to the sequence of the identifiers of each upgrade file stored in the description file; and when the upgrade file is not upgraded successfully, downloading the upgrade file to a system memory and executing upgrade operation until all upgrade files are upgraded successfully.
Optionally, the upgrade module 71 is specifically configured to determine whether the remaining memory of the current system is sufficient for storing the description file before executing the dual-channel upgrade program and downloading the description file; when the residual memory of the current system is determined to be enough for storing the description file, allocating the system memory for the description file, and downloading the description file to the allocated system memory; when the fact that the residual memory of the current system is not enough for storing the description file is determined, waiting for a set time period to judge whether the residual memory of the current system is enough for storing the description file again; before downloading the upgrade file, judging whether the residual memory of the current system is enough for storing the upgrade file; when the current residual system memory is determined to be enough for storing the upgrade file, distributing the system memory for the upgrade file, and downloading the upgrade file to the distributed system memory; and when the fact that the residual memory of the current system is not enough for storing the upgrade file is determined, waiting for a set time period to judge whether the residual memory of the current system is enough for storing the upgrade file again.
Optionally, the flash memory of the digital television comprises a set flag bit, and the set flag bit is used for storing flag information; the upgrading module 71 is further configured to set flag information of the set flag bit as first flag information after the dual-channel upgrading program is executed; when the digital television is restarted and the first mark information is read, running a single-channel upgrading program;
in addition, the upgrade module 71 is further configured to set flag information of the set flag bit as second flag information after the single-channel upgrade program is executed; and starting the digital television system when the second mark information is read after the digital television is restarted.
Optionally, the upgrade module 71 is further configured to send an authentication request with device attribute information of the digital television to the cloud before executing the dual-channel upgrade program; receiving an authentication result returned by the cloud; when the identification information which is successfully authenticated is contained in the authentication result, the successful authentication of the digital television is determined, and the identification information which is successfully authenticated is stored in a system memory; otherwise, determining that the digital television authentication fails; after the digital television is successfully authenticated, sending a detection request with current version information of the digital television system and identification information of successful authentication to the cloud; receiving a detection result returned by the cloud end; when the detection result contains new version system information higher than the current version of the digital television system, determining that the new version system higher than the current version of the digital television system exists and storing the new version system information into a system memory; otherwise, it is determined that there is no new version system of the current version of the digital television system.
Optionally, the upgrade module 71 is further configured to send, after the dual-channel upgrade program is executed and before the single-channel upgrade program is executed, an authentication request with device attribute information of the digital television to the cloud; receiving an authentication result returned by the cloud, and storing identification information of successful authentication in the authentication result into a system memory; after the digital television is successfully authenticated, sending a detection request with current version information of the digital television system and identification information of successful authentication to the cloud; and receiving a detection result returned by the cloud, and storing the new version system information in the detection result to a system memory.
In a third aspect of the embodiments of the present invention, there is provided a digital television, as shown in fig. 8, the digital television may include:
a memory 81 for storing program instructions;
a processor 82 for calling the program instructions stored in the memory 81 and executing, according to the obtained program: when a new version system higher than the current version of the digital television is determined to exist, sequentially executing a double-channel upgrading program and a single-channel upgrading program; restarting the digital television and operating a new version system; wherein, carry out binary channels upgrading procedure and single channel upgrading procedure, all include: downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the downloaded upgrading file; deleting the downloaded upgrade file to release the system memory after the upgrade program is executed; until the size and the storage address information of each upgrade file in the description file are read.
In a fourth aspect of the embodiments of the present invention, a readable storage medium is provided, where the readable storage medium stores digital television executable instructions, and the digital television executable instructions are configured to enable a digital television to perform any one of the methods described above.
According to the method and the related device for upgrading the digital television system, provided by the embodiment of the invention, when a new version system higher than the current version of the digital television is determined to exist, a double-channel upgrading program and a single-channel upgrading program are sequentially executed; restarting the digital television and operating a new version system; wherein, carry out binary channels upgrading procedure and single channel upgrading procedure, all include: downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the downloaded upgrading file; deleting the downloaded upgrade file to release the system memory after the upgrade program is executed; until the size and the storage address information of each upgrade file in the description file are read. When the upgrading program is executed, a storage space for storing the description file and the upgrading file is not required to be reserved locally, the description file and the upgrading file are stored in a system memory in the upgrading process, the upgrading program is executed once every time one upgrading file is downloaded in the upgrading process, the downloaded upgrading file is deleted after the upgrading program is finished, the system memory is released, and then the next upgrading file is downloaded until the upgrading is finished. Compared with the prior art, a large amount of local storage space can be saved for storing important data which are interested by users, and therefore the utilization rate of the storage space of the digital television is improved.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, implement the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for upgrading a digital television system, comprising:
when determining that a new version system higher than the current version of the digital television exists, sequentially executing a double-channel upgrading program and a single-channel upgrading program;
restarting the digital television and running a new version system;
wherein, executing the dual-channel upgrade program and the single-channel upgrade program comprises:
downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end;
reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time:
when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information;
executing an upgrading program according to the upgrading file downloaded at the time;
after the upgrading program is executed, deleting the downloaded upgrading file to release the system memory;
until the size and the storage address information of each upgrade file in the description file are read.
2. The method of claim 1, wherein a line of statements of the description file stores identification, size, and storage address information at the cloud of an upgrade file;
the reading the size and the storage address information of each upgrade file in the description file one by one specifically includes:
reading according to the sequence from the first line of sentences to the last line of sentences of the description file, and sequentially obtaining the size and storage address information of each upgrade file;
the step of reading the size and the storage address information of each upgrade file in the description file includes:
judging whether the currently read sentences are the last line of sentences of the description file or not when the description file is read each time; when the judgment result is negative, continuing to read the next line of sentences of the description file; and when the judgment result is yes, determining that the address information of each upgrading file in the description files is completely read.
3. The method of claim 1, wherein the method further comprises:
when the upgrading program is interrupted and the upgrading program is started next time, checking whether the upgrading files are upgraded successfully one by one according to the sequence of the upgrading file identifications stored in the description files;
and when the upgrade file is not upgraded successfully, downloading the upgrade file to a system memory and executing upgrade operation until all upgrade files are upgraded successfully.
4. The method of claim 1, wherein downloading the description file to system memory while executing the dual channel upgrade program comprises:
judging whether the residual memory of the current system is enough for storing the description file;
when the residual memory of the current system is determined to be enough for storing the description file, allocating the system memory for the description file, and downloading the description file to the allocated system memory; when the fact that the residual memory of the current system is not enough for storing the description file is determined, waiting for a set time period to judge whether the residual memory of the current system is enough for storing the description file again;
downloading the upgrade file to a system memory, comprising:
judging whether the residual memory of the current system is enough for storing the upgrade file;
when the current residual system memory is determined to be enough for storing the upgrade file, distributing the system memory for the upgrade file, and downloading the upgrade file to the distributed system memory; and when the fact that the residual memory of the current system is not enough for storing the upgrade file is determined, waiting for a set time period to judge whether the residual memory of the current system is enough for storing the upgrade file again.
5. The method of claim 1, wherein the flash memory of the digital television includes a set flag bit for storing flag information;
after the two-channel upgrade program is executed, the method further comprises:
setting the flag information of the set flag bit as first flag information;
when the digital television is restarted and the first mark information is read, operating the single-channel upgrading program;
after the single-channel upgrade program is executed, the method further comprises:
setting the flag information of the set flag bit as second flag information;
and starting the digital television system when the second mark information is read after the digital television is restarted.
6. The method of claim 1, wherein prior to executing the dual channel upgrade program, the method further comprises:
sending an authentication request with the equipment attribute information of the digital television to a cloud end;
receiving an authentication result returned by the cloud;
when the authentication result contains identification information which is successfully authenticated, determining that the digital television is successfully authenticated and storing the identification information which is successfully authenticated into a system memory; otherwise, determining that the digital television authentication fails;
after the digital television is successfully authenticated, sending a detection request with the current version information of the digital television system and the identification information of the successful authentication to a cloud end;
receiving a detection result returned by the cloud end;
when the detection result contains new version system information higher than the current version of the digital television system, determining that the new version system higher than the current version of the digital television system exists and storing the new version system information into a system memory; otherwise, determining that a new version system of the current version of the digital television system does not exist.
7. The method of claim 6, wherein after the dual channel upgrade procedure is performed, prior to performing the single channel upgrade procedure, the method further comprises:
sending an authentication request with the equipment attribute information of the digital television to a cloud end;
receiving an authentication result returned by the cloud, and storing identification information of successful authentication in the authentication result into a system memory;
after the digital television is successfully authenticated, sending a detection request with the current version information of the digital television system and the identification information of the successful authentication to a cloud end;
and receiving a detection result returned by the cloud, and storing the new version system information in the detection result to a system memory.
8. An upgrade apparatus for a digital television system, comprising:
the upgrading module is used for sequentially executing a double-channel upgrading program and a single-channel upgrading program when determining that a new version system higher than the current version of the digital television exists; restarting the digital television after the upgrade program is executed;
the upgrading module is specifically used for downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the upgrading file downloaded at the time; after the upgrading program is executed, deleting the downloaded upgrading file to release the system memory; until the size and the storage address information of each upgrade file in the description file are read.
9. A digital television, comprising:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory, and executing according to the obtained program: when determining that a new version system higher than the current version of the digital television exists, sequentially executing a double-channel upgrading program and a single-channel upgrading program; restarting the digital television and running a new version system; wherein, executing the dual-channel upgrade program and the single-channel upgrade program comprises: downloading the description file to a system memory; the description file stores the identification and the size of each upgrading file and the storage address information at the cloud end; reading the size and the storage address information of each upgrading file in the description files one by one, and executing the following steps after reading the size and the storage address information of one upgrading file each time: when the residual memory of the current system is larger than or equal to the memory occupied by the read upgrade file, downloading the corresponding upgrade file to the system memory at the cloud end according to the read storage address information; executing an upgrading program according to the upgrading file downloaded at the time; after the upgrading program is executed, deleting the downloaded upgrading file to release the system memory; until the size and the storage address information of each upgrade file in the description file are read.
10. A readable storage medium storing digital television-executable instructions for causing a digital television to perform the method of any one of claims 1-7.
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