WO2014067071A1

WO2014067071A1 - Play control method and system for player

Info

Publication number: WO2014067071A1
Application number: PCT/CN2012/083767
Authority: WO
Inventors: 李诗臻; 朱杰
Original assignee: 深圳市多尼卡电子技术有限公司
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2014-05-08
Also published as: CN104169876B; CN104169876A

Abstract

Provided are a play control method and system for a player. The method comprises: after the operating system of a player completes startup, detecting whether a primary application program starts successfully by means of a daemon process; when the startup is not successful, recovering the primary application program online by means of the daemon process, for example, searching whether an application recovery file is stored in a storage device by means of the daemon process; when an application recovery file is found, terminating the operation of an application process in the player by means of the daemon process; replacing the found application recovery file with the primary application program of the player by means of the daemon process; and restarting the operating system and the replaced primary application program of the player by means of the daemon process. In the play control method and system for a player of the present invention, when being used for an entertainment system on a plane, the method and system can realize system self-recovery when the player breaks down, which can act as an assisting maintenance means for airline crew, thus saving operating costs and time for an airline.

Description

Playback control method and system for player

Technical field

The invention belongs to the field of aviation, and in particular relates to a playback control method and system for a player.

Background technique

When the aircraft is performing ground maintenance, there will always be power outages (mainly the switching of the power supply system, the power supply from the aircraft itself to the ground), and the improper operation of the after-sales maintenance personnel, causing the multimedia player of the in-flight entertainment system to operate or upgrade. Interrupted, causing the multimedia player to not function properly. In this case, only those devices that cannot be used normally are returned to the device manufacturer for repair, which is costly and has a long time period.

technical problem

An object of the embodiments of the present invention is to provide a playback control method and system for a player, which can resume normal operation of the player when the player is interrupted.

Technical solution

The embodiment of the present invention is implemented as follows. A playback control method for a player includes the following steps:

After the operating system of the player is started, detecting whether the main application is successfully started by the daemon process;

When the main application startup is unsuccessful, the daemon restores the main application online in the following manner:

Finding whether the application recovery file is stored in the memory through the daemon process;

When it is found that there is an application recovery file in the memory, the running of the application process in the player is terminated by the daemon process;

Substituting the found application recovery file by the daemon process with the main application of the player; and

Restart the player's operating system and the alternate main application through the daemon.

Another object of the embodiments of the present invention is to provide a playback control system for a player, the system including:

a startup module, configured to start a main application and a daemon of the player when the operating system of the player is started;

The online recovery module is used to restore the main application online when the main application is not successfully started. The online recovery module includes:

a search module for searching, by the daemon, whether an application recovery file is stored in the memory;

An execution module, configured to terminate the operation of the application process in the player by using a daemon process when an application recovery file is found in the memory;

The execution module is further configured to replace the found application recovery file by the daemon process with the main application of the player; and

The execution module is further configured to restart the operating system of the player and the replaced main application by the daemon process.

Beneficial effect

In the embodiment of the present invention, the playback control method and system of the player can restore the main application of the player online after the main operating system fails after the operating system of the player is successfully started, for example, the daemon can be started to detect the player. Whether the main application in the normal startup can be started, and when the startup is unsuccessful, an application recovery file is acquired into the player instead of the initial main application, and the method and system can be played when used in the onboard entertainment system. Automatically realize the restart operation of the player during the interruption, reduce the number of disassembly and repair of the on-board equipment, and save the operating cost and time of the airline.

DRAWINGS

FIG. 1 is a flowchart of a method for playing control of a player according to an embodiment of the present invention.

2 is a structural diagram of a module of a playback control system of a player according to an embodiment of the present invention.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As an embodiment of the present invention, FIG. 1 is a flowchart of a playback control method of a player according to an embodiment of the present invention, which specifically includes the following steps:

In step S601, the daemon process is automatically started when the operating system of the player and the main application are started. In this embodiment, the player is a multimedia player of the in-flight entertainment system. In other embodiments, the player may also be a different type of multimedia player. Of course, the daemon may also be in other time after the operating system or the main application is started. Automatic or manual startup.

Step S602, after the operating system of the player is started, detecting whether the main application is successfully started by a daemon that starts at the same time as the operating system or lags with the operating system. If the main application is successfully started, the process proceeds to step S607, otherwise, the process proceeds to step S603 to restore the main application online through the daemon process.

Step S603, in the embodiment, when the aircraft is performing ground maintenance, the main application may not be restarted after the player is interrupted due to power failure (mainly switching of the power supply system and being powered by the aircraft itself), or The air maintenance personnel can't restart the main application after the application is interrupted during the application or upgrade. When the main application starts unsuccessfully, the daemon finds whether the application recovery file is stored in the memory. When the application recovery file is not found, it returns to step S603. In the present embodiment, the memory is an external memory, and of course, a memory such as a hard disk built in the player may be used.

Step S604, when the application recovery file is found, the running of the application process in the player is terminated by the daemon process. In this embodiment, the application is all running processes in the player except the daemon.

In step S605, the found application recovery file is replaced by the daemon process as the main application of the player.

Step S606, restarting the operating system of the player and the replaced main application by the daemon process.

Step S607, when the main application is successfully started, the operating system and the main application system of the player are all running normally.

Further, after step S604, the method may further include: deleting the main application of the player by the daemon process, and then proceeding to step S605.

Further, the player may further include a display. When the memory is an external memory, after the step S602, the method further includes: when the main application is not successfully started, displaying, by the display, that the main application starts unsuccessful information and/or The user is prompted to insert information from the external memory to the player to remind the user to insert the external memory. In other embodiments, the display may not be provided on the player, but a pointing device, such as an infrared light, may be provided. When the main application is unsuccessful, the user is prompted to start the unsuccessful information by lighting the pointing device. Further, when the memory is an external memory, in step S603, when the main application startup is unsuccessful, the specific method for searching whether the application recovery file is stored in the memory by the daemon is: searching through the daemon There is an external memory inserted into the player; when it is found that the external memory is inserted into the player, the daemon searches for whether the application recovery file is included in the external memory. In step S604, the specific method of replacing the found application recovery file with the main application of the player by the daemon process is: copying the application recovery file in the external storage by the daemon process, and restoring the copied application. The file is replaced by the main application of the player.

One of ordinary skill in the art can understand that all or part of the steps of implementing the above embodiments may be completed by a program instructing related hardware, and the program may be stored in a computer readable storage medium, the storage. Media, such as ROM/RAM, disk, CD, etc.

FIG. 2 is a block diagram of a playback control system 100 of a player according to an embodiment of the present invention. In the embodiment of the present invention, the system 100 includes a startup module 21, a detection module 22, and an online recovery module 26. The online recovery module 26 mainly includes a lookup module 23 and an execution module 24.

The startup module 21 is configured to automatically start the daemon process when the operating system of the player and the main application are started, or start the daemon process at other times after the operating system or the main application is started.

The detecting module 22 is configured to detect, by the daemon process, whether the main application is successfully started after the operating system of the player is completed.

The online recovery module 26 is configured to restore the main application online through the daemon process when the main application startup is unsuccessful.

The lookup module 23 is configured to find, by the daemon process, whether an application recovery file is stored in the memory when the main application startup is unsuccessful. The execution module 24 is configured to terminate the running of the application process in the player by the daemon process when the search module 23 finds the application recovery file, and is also used to replace the found application recovery file with the main application of the player by the daemon process. And the operating system and the alternate main application used to restart the player through the daemon. In this embodiment, the application recovery file is a file including the main application. The execution module 23 can also be used to delete the initial main application in the player through the daemon process after terminating the running of the application process in the player. Further, the player further includes a display 10, the online recovery module 26 further includes a display module 25, the display module 25 is configured to display the main application startup unsuccessful information when the memory is external memory and the main application startup is unsuccessful. And/or prompting the user to insert information from the external memory to the player to the display 10, thereby alerting the user to insert the external memory into the player.

In this embodiment, when the memory is an external memory, the searching module 23 can be specifically configured to use the daemon to find whether an external memory is inserted into the player. When the external memory is inserted into the player, the daemon also searches for the outside. Whether the application recovery file is included in the memory. The execution module 23 is further configured to: when the application recovery file is found, terminate the running of the application process in the player through the daemon, and copy the application recovery file in the external memory through the daemon, and replace the copied application recovery file. The main application for the player.

Through the playback control method and system of the player of the present invention, after the operating system of the player is successfully started, the daemon process is used to detect whether the main application in the player can be started normally, and when the startup is unsuccessful, it is performed. Online recovery, for example, to obtain an application recovery file to the player instead of the initial main application, thereby realizing the recovery of the player's online main application, and automatically implementing the method and system for the player of the in-flight entertainment system The restart operation of the player reduces the number of disassembly and repair of the onboard equipment and saves the operating cost and time of the airline.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

A playback control method for a player, characterized in that the method comprises the following steps:

After the operating system of the player finishes booting, detecting, by the daemon, whether the main application of the player is successfully started;

When the main application launch is unsuccessful, the main application is restored online by the daemon.
The playback control method of the player according to claim 1, wherein the specific method for the daemon to restore the main application online is:

Finding whether the application recovery file is stored in the memory through the daemon process;

When it is found that there is an application recovery file in the memory, the running of the application process in the player is terminated by the daemon process;

Substituting the found application recovery file by the daemon process with the main application of the player; and

Restart the player's operating system and the alternate main application through the daemon.
The playback control method of the player according to claim 2, wherein in the step of terminating the operation of the application process in the player by the daemon, the application process is the player except the daemon All running processes except .
The playback control method for a player according to claim 2, wherein after the step of operating the application process in the player is terminated by the daemon, the method further comprises the step of deleting the The main application of the player.
The playback control method for a player according to any one of claims 2 to 4, wherein the player further comprises a display, and the memory is an external memory, when the main application is unsuccessfully started The method further includes the steps of: displaying the primary application launching unsuccessful information and/or prompting the user to insert information of the external memory to the player to the display.
The playback control method of the player according to any one of claims 2 to 4, wherein the memory is an external memory, and the specific method for searching for whether the application recovery file is stored in the memory by the daemon process is:

Finding through the daemon whether there is external memory inserted into the player;

When it is found that the external memory is inserted into the player, the daemon process is used to find whether the application recovery file is included in the external memory;

The specific method of replacing the found application recovery file by the daemon with the player's main application is:

The application recovery file in the external storage is copied by the daemon process, and the copied application recovery file is replaced with the main application of the player.
A player in a playback control system, characterized in that the system comprises:

a detecting module, configured to detect, by the daemon process, whether the main application of the player is successfully started after the operating system of the player is started; and

An online recovery module, configured to restore the main application online through a daemon process when the main application startup is unsuccessful.
The playback control system of the player of claim 7, wherein the online recovery module comprises:

a search module for searching, by the daemon, whether an application recovery file is stored in the memory;

An execution module, configured to terminate the operation of the application process in the player by using a daemon process when an application recovery file is found in the memory;

The execution module is further configured to replace the found application recovery file by the daemon process with the main application of the player; and

The execution module is further configured to restart the operating system of the player and the replaced main application by the daemon process.
A playback control system for a player according to claim 8, further comprising an activation module for initiating said daemon process when said player operating system and main application are launched.
The playback control system of the player according to claim 8, wherein the execution module is further configured to delete the player in the player by the daemon process after terminating the running of the application process in the player The main application.
The playback control system of the player according to any one of claims 8 to 10, wherein the player further comprises a display, and the online recovery module further comprises:

a display module, configured to: when the memory is an external memory and the main application startup is unsuccessful, display the information that the main application starts unsuccessful and/or prompt the user to insert the external memory into the player. The display.
A playback control system for a player according to any one of claims 8 to 10, wherein:

The searching module is specifically configured to: when the memory is an external memory and the host application is unsuccessful, find, by the daemon, whether an external memory is inserted into the player; when the external device is found When the memory is inserted into the player, the daemon process is used to find whether the application recovery file is included in the external memory; and

The execution module is specifically configured to: when the application recovery file is found, copy the application recovery file in the external storage by using the daemon process, and replace the copied application recovery file with the main player of the player. application.