CN114510523A - Intersystem data transmission method and device, terminal equipment and medium - Google Patents
Intersystem data transmission method and device, terminal equipment and medium Download PDFInfo
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Abstract
The invention discloses a method, a device, terminal equipment and a medium for data transmission between systems, wherein the method is applied to a first system and comprises the following steps: creating a virtual service node in the first system; acquiring original service data required by the first system from a second system through the virtual service node; and performing corresponding service processing on the original service data to obtain target service data. By adopting the invention, the technical problem that the real-time sharing or communication of large data volume cannot be met in the prior art can be solved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a terminal device, and a medium for data transmission between systems.
Background
Currently, in a mainstream operating system in the market, for example, a distributed operating QNX system, an Android (Android) system, and a dual system including QNX and Android, the QNX system is mainly responsible for instrument control of the system, and the Android is mainly responsible for entertainment or other business processing. Wherein, the linkage mode between the system mainly includes: socket communication, Network File System Daemon (NFSD), paravirtualized VirtIO, connection-oriented mechanism FDBus, and the like.
However, in practice, it is found that none of the above communication methods can satisfy real-time sharing or communication of large data volume. Therefore, it is desirable to provide a better scheme for data transmission between systems.
Disclosure of Invention
The embodiment of the application provides a method, a device, a terminal device and a medium for data transmission between systems, and solves the technical problem that real-time sharing or communication of large data volume cannot be met in the prior art.
In one aspect, an embodiment of the present application provides a method for data transmission between systems, where the method is applied to a first system, and the method includes:
creating a virtual service node in the first system;
acquiring original service data required by the first system from a second system through the virtual service node, wherein the original service data is stored in the second system;
and performing corresponding service processing on the original service data to obtain target service data.
Optionally, the first system and the second system are different, and the first system and the second system are distributed operation QNX systems or android systems.
Optionally, a data acquisition device, a device driver and a data server are arranged in the second system, and the device driver is used for driving the data acquisition device to acquire the original service data and transmitting the original service data to the data server;
the obtaining, by the virtual service node, original service data required by the first system from a second system includes:
and receiving the original service data transmitted by the data server side from the second system through the virtual service node.
Optionally, the first system is an android system, the second system is a QNX system, and the first system is further provided with a hardware abstraction layer and a data application program;
the performing corresponding service processing on the original service data to obtain target service data includes:
performing format conversion processing on the original service data through the hardware abstraction layer to obtain processed service data;
and performing corresponding service processing on the processing service data through the hardware abstraction layer or the data application program to obtain the target service data.
Optionally, the first system is a QNX system, the second system is an android system, and the first system is further provided with a data client and a data application program;
the performing corresponding service processing on the original service data to obtain target service data includes:
performing format conversion processing on the original service data through the data client to obtain processed service data;
and performing corresponding service processing on the processed service data through the data application program to obtain the target service data.
Optionally, the first system is an android system, the second system is a QNX system, the original service data is original video data, the QNX system is provided with a camera, a camera driver and an automotive imaging system data Server AIS Server, and the camera driver is configured to drive the camera to acquire the original video data and transmit the acquired original video data to the AIS Server;
the obtaining, by the virtual service node, original service data required by the first system from a second system includes:
and receiving the original video data transmitted by the AIS Server from the QNX system through the virtual service node.
Optionally, the method further comprises:
and sending the target service data to the second system through the virtual service node.
On the other hand, the present application provides an inter-system data transmission apparatus through an embodiment of the present application, where the apparatus is applied to a first system, and the apparatus includes a creating module, an obtaining module, and a processing module, where:
the creating module is configured to create a virtual service node in the first system;
the acquiring module is used for acquiring original service data required by the first system from a second system through the virtual service node;
and the processing module is used for carrying out corresponding service processing on the original service data to obtain target service data.
On the other hand, the present application provides a terminal device according to an embodiment of the present application, where the terminal device includes: a processor, a memory, a communication interface, and a bus; the processor, the memory and the communication interface are connected through the bus and complete mutual communication; the memory stores executable program code; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for performing the inter-system data transmission method as described above.
On the other hand, the present application provides a computer-readable storage medium storing a program that, when executed on a terminal device, executes the inter-system data transmission method described above, by an embodiment of the present application.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: the method comprises the steps of creating a virtual service node in a first system, and acquiring original service data required by the first system from a second system through the virtual service node, wherein the original service data are stored in the second system; and performing corresponding service processing on the original service data to obtain target service data. In the above scheme, by creating the virtual service node in the first system, the virtual service node realizes shared transmission of service data between the first system and the second system, and does not limit the amount of service data to be transmitted, thereby realizing convenience and high efficiency of data transmission between systems, and simultaneously solving the technical problem that the real-time sharing or communication of a large amount of data cannot be satisfied in a communication mode adopted by the existing data transmission between systems.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a data transmission system according to an embodiment of the present application.
Fig. 2 is a flowchart illustrating a method for transmitting data between systems according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of another data transmission system according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an inter-system data transmission apparatus according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
Detailed Description
The applicant has also found in practice that: socket's communication characteristics are that single data volume is little, and when big data are sent, the persistence is high, and the processing is untimely easily causes data loss. Fdbus has the characteristic of continuous and stable communication, but is limited by small data volume and cannot meet the requirement of high-quality image transmission. The high-pass nfsd communication is characterized by a simple FTP mode where one party is the file provider and the file provider file cannot change at any time. The VirtiO communication characteristic is that the shared data content is large, and the provider can change the file content at any time, but the VirtiO communication characteristic is a common memory resource and cannot be monopolized continuously.
It can be seen that when a large amount of data is required to be read/acquired continuously and the data source changes at any time, the above-mentioned communication schemes cannot meet the service scenario.
The embodiment of the application provides a method, a device, a terminal device and a medium for data transmission between systems, and solves the technical problem that real-time sharing or communication of large data volume cannot be met in the prior art.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a method for data transmission between systems is applied to a first system, and the method comprises the following steps:
creating a virtual service node in the first system;
acquiring original service data required by the first system from a second system through the virtual service node, wherein the original service data is stored in the second system;
and performing corresponding service processing on the original service data to obtain target service data.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
First, it is stated that the term "and/or" appearing herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 is a schematic structural diagram of a data transmission system according to an embodiment of the present application. The system shown in fig. 1 includes a first system 100 and a second system 200. The first system 100 includes (i.e., is provided with/created with) a virtual service node 101, a Hardware Abstraction Layer (HAL) 102, and a data Application program (APP)104, and optionally may further include an Application Programming Interface (API) 103. The second system 200 includes (i.e., is configured/created with) a data acquisition device 201, a device driver 202, and a data server 203. Optionally, the second system 200 may further include a data client 204 and a data Application (APP) 205.
In practical applications, the device driver 202 may be configured to drive the data acquisition device 201 to acquire corresponding original service data, and further transmit the acquired original service data to the data server 203. The original service data may be determined according to the actual requirements of the system, and may include, for example, but not limited to, video data, voice data, file data, and the like. After the data server 203 obtains the original service data, the original service data may be sent to the data client 204 on the upper layer or sent to the virtual service node 101 in the first system according to the actual service requirement of the system. The virtual service node 101 may forward the raw service data to the hardware abstraction layer 102 at an upper layer.
Further, the data client 204 or the hardware abstraction layer 102 may perform preprocessing on the received original service data, such as format conversion, to obtain corresponding processed service data. The processing service data may be, for example, service data satisfying a preset data format.
Further, the hardware abstraction layer 102 may send the processing service data to an upper data application APP 104 through the application programming interface API 103. The data client 204 may send the received processing service data to an upper data application APP 205. Optionally, the data application 205 or 104 may perform corresponding service data on the received processing service data to obtain target service data. Taking the service data as the video data as an example, the data application APP may perform image beautification processing such as rendering, color matching, and the like on the received video data to obtain beautified target video data.
Referring to fig. 2, a flow chart of a method for transmitting data between systems according to the embodiment of the present application is schematically shown based on the embodiment of fig. 1. The method as shown in fig. 2 is applied to a first system, and comprises the following implementation steps:
s201, creating a virtual service node in the first system.
The virtual service node is set in a first system for system customization and is used for collecting or acquiring corresponding original service data.
S202, original service data required by the first system is obtained from a second system through the virtual service node, and the original service data is stored in the second system.
The raw service data refers to unprocessed service data stored in the second system, for example, video data with a YUV data format. The first system and the second system related to the present application are different in type, and optionally, for example, the first system and the second system may be a distributed operation QNX system or an Android system.
In a specific embodiment, as shown in fig. 1, a data acquisition device, a device driver and a data server are arranged in the second system, and the device driver is configured to drive the data acquisition device to acquire the original service data and transmit the original service data to the data server. Correspondingly, in step S202, the first system of the present application may receive the original service data transmitted from the data service end of the second system through the virtual service node.
In another specific embodiment, as shown in fig. 1, the first system is an android system, the second system is a QNX system, the original service data is original video data, the QNX system is provided with a camera, a camera driver and an automotive imaging system data Server AIS Server, and the camera driver is configured to drive the camera to acquire the original video data and transmit the acquired original video data to the AIS Server. Accordingly, in step S202, the first system of the present application may receive the original video data transmitted by the AIS Server from the QNX system through the virtual service node.
S203, performing corresponding service processing on the original service data to obtain target service data.
In a specific embodiment, when the first system is an android system, the second system is a QNX system, and the first system is further provided with a Hardware Abstraction Layer (HAL) and a data application program (APP), the application may perform corresponding service processing on the processed service data through the Hardware abstraction Layer or the data application program, so as to obtain the target service data.
In another specific embodiment, when the first system is a QNX system, the second system is an android system, and the first system is further provided with a data client (Server) and a data Application (APP), the application may perform format conversion processing on the original service data by the data client to obtain processed service data. Further, the data application program can be used for carrying out corresponding service processing on the processed service data to obtain the target service data.
In an optional embodiment, the application may further send the target service data to the second system through the virtual service node. Accordingly, after the target service data is received in the second system, the target service data can be displayed.
By implementing the embodiment of the application, a virtual service node is created in a first system, original service data required by the first system is obtained from a second system through the virtual service node, and the original service data is stored in the second system; and performing corresponding service processing on the original service data to obtain target service data. In the above scheme, by creating the virtual service node in the first system, the virtual service node realizes shared transmission of service data between the first system and the second system, and does not limit the amount of service data to be transmitted, thereby realizing convenience and high efficiency of data transmission between systems, and simultaneously solving the technical problem that the real-time sharing or communication of a large amount of data cannot be satisfied in a communication mode adopted by the existing data transmission between systems.
For the convenience of the user to understand the embodiment of the present application, a video stream (also referred to as video data) in an Around View Monitor (AVM) system is taken as an example below. Fig. 3 is a schematic structural diagram of another data transmission system according to an embodiment of the present application. The System shown in fig. 3 includes a QNX System (first System) and an Android (Android) System, where the QNX System includes an AVM APP (application), an Automotive Imaging System (AIS) Client (AIS Client), an AIS Server (AIS Server), a driver (driver), and a Camera (Camera). The android system comprises an AVM APP (application), a Camera application program interface (Camera API), a Camera hardware abstraction layer (Camera HAL) and a virtual video node.
In practical application, the AVM needs to perform processing such as splicing on video data in the camera, and the camera is accessed on the side of the QNX system, but the data processed by the AVM needs to be used for both the QNX system and the android system, so that the scenario is implemented by using the scheme of the virtual service node in the present application. The method comprises the following specific steps:
1. a virtual video node is created in the android system.
2. After the QNX system reads out the original video data in the camera through the driver, the original video data can be output to the AIS Client and the virtual video node through the AIS Server.
3. In the android system, original video data of a Camera are received through a virtual video node, and then the original video data are read and processed through Camera HAL to obtain processed video data which accord with a preset data format. For example, the raw video data may be YUV format data, the processed video data may be RGB format data, and the like, and the application is not limited thereto. Further, the processed video data can be sent to an application layer APP on an upper layer for corresponding business processing, such as video splicing, video beautification, and the like, so as to obtain corresponding target video data,
4. The QNX system may also read the processed target video data from the virtual video node, or may also read the corresponding original video data from the AIS Server, or the like. It should be noted that the original video data in the QNX system and the original video data in the android system need to be consistent.
Based on the same inventive concept, another embodiment of the present application provides a device and a terminal device for implementing the inter-system data transmission method in the embodiment of the present application.
Fig. 4 is a schematic structural diagram of an inter-system data transmission device according to an embodiment of the present disclosure. The apparatus 40 shown in fig. 4 is applied to a first system, and includes a creating module 401, an obtaining module 402, and a processing module 403, where:
the creating module 401 is configured to create a virtual service node in the first system;
the obtaining module 402 is configured to obtain, from a second system through the virtual service node, original service data required by the first system;
the processing module 403 is configured to perform corresponding service processing on the original service data to obtain target service data.
Optionally, the first system and the second system are different, and the first system and the second system are distributed operation QNX systems or android systems.
Optionally, a data acquisition device, a device driver and a data server are arranged in the second system, and the device driver is used for driving the data acquisition device to acquire the original service data and transmitting the original service data to the data server;
the obtaining module 402 is specifically configured to receive, by the virtual service node, the original service data transmitted by the data server of the second system.
Optionally, the first system is an android system, the second system is a QNX system, and the first system is further provided with a hardware abstraction layer and a data application program;
the processing module 403 is specifically configured to perform format conversion processing on the original service data through the hardware abstraction layer to obtain processed service data; and performing corresponding service processing on the processing service data through the hardware abstraction layer or the data application program to obtain the target service data.
Optionally, the first system is a QNX system, the second system is an android system, and the first system is further provided with a data client and a data application program;
the processing module 403 is specifically configured to perform format conversion processing on the original service data through the data client to obtain processed service data; and performing corresponding service processing on the processed service data through the data application program to obtain the target service data.
Optionally, the first system is an android system, the second system is a QNX system, the original service data is original video data, the QNX system is provided with a camera, a camera driver and an automotive imaging system data Server AIS Server, and the camera driver is configured to drive the camera to acquire the original video data and transmit the acquired original video data to the AIS Server;
the obtaining module 402 is specifically configured to receive, by the virtual service node, the original video data transmitted by the AIS Server from the QNX system.
Optionally, the processing module 403 is further configured to send the target service data to the second system through the virtual service node.
Please refer to fig. 5, which is a schematic structural diagram of a terminal device according to an embodiment of the present application. The terminal device 50 shown in fig. 5 includes: at least one processor 501, a communication interface 502, a user interface 503 and a memory 504, wherein the processor 501, the communication interface 502, the user interface 503 and the memory 504 can be connected through a bus or other means, and the embodiment of the present invention is exemplified by being connected through the bus 505. Wherein the content of the first and second substances,
The communication interface 502 may be a wired interface (e.g., an ethernet interface) or a wireless interface (e.g., a cellular network interface or using a wireless local area network interface) for communicating with other terminals or websites. In this embodiment of the present invention, the communication interface 502 is specifically configured to obtain service data.
The user interface 503 may be a touch panel, including a touch screen and a touch screen, for detecting an operation instruction on the touch panel, and the user interface 503 may also be a physical button or a mouse. The user interface 503 may also be a display screen for outputting, displaying images or data.
The Memory 504 may include Volatile Memory (Volatile Memory), such as Random Access Memory (RAM); the Memory may also include a Non-Volatile Memory (Non-Volatile Memory), such as a Read-Only Memory (ROM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, HDD), or a Solid-State Drive (SSD); the memory 504 may also comprise a combination of the above-described types of memory. The memory 504 is used for storing a set of program codes, and the processor 501 is used for calling the program codes stored in the memory 504 and executing the following operations:
creating a virtual service node in a first system;
acquiring original service data required by the first system from a second system through the virtual service node, wherein the original service data is stored in the second system;
and performing corresponding service processing on the original service data to obtain target service data.
Optionally, the first system and the second system are different, and the first system and the second system are distributed operation QNX systems or android systems.
Optionally, a data acquisition device, a device driver and a data server are arranged in the second system, and the device driver is used for driving the data acquisition device to acquire the original service data and transmitting the original service data to the data server;
the obtaining, by the virtual service node, original service data required by the first system from a second system includes:
and receiving the original service data transmitted by the data server side from the second system through the virtual service node.
Optionally, the first system is an android system, the second system is a QNX system, and the first system is further provided with a hardware abstraction layer and a data application program;
the performing corresponding service processing on the original service data to obtain target service data includes:
performing format conversion processing on the original service data through the hardware abstraction layer to obtain processed service data;
and performing corresponding service processing on the processed service data through the hardware abstraction layer or the data application program to obtain the target service data.
Optionally, the first system is a QNX system, the second system is an android system, and the first system is further provided with a data client and a data application program;
the performing corresponding service processing on the original service data to obtain target service data includes:
performing format conversion processing on the original service data through the data client to obtain processed service data;
and performing corresponding service processing on the processed service data through the data application program to obtain the target service data.
Optionally, the first system is an android system, the second system is a QNX system, the original service data is original video data, the QNX system is provided with a camera, a camera driver and an automotive imaging system data Server AIS Server, and the camera driver is configured to drive the camera to acquire the original video data and transmit the acquired original video data to the AIS Server;
the obtaining, by the virtual service node, original service data required by the first system from a second system includes:
and receiving the original video data transmitted by the AIS Server from the QNX system through the virtual service node.
Optionally, the processor 501 is further configured to:
and sending the target service data to the second system through the virtual service node.
Since the terminal device described in this embodiment is a terminal device used for implementing the method in this embodiment, based on the method described in this embodiment, a person skilled in the art can understand the specific implementation manner of the terminal device in this embodiment and various variations thereof, so that a detailed description of how to implement the method in this embodiment by the terminal device is omitted here. The terminal device adopted by a person skilled in the art to implement the method in the embodiment of the present application is within the scope of the protection intended by the present application.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: the method comprises the steps of creating a virtual service node in a first system, and acquiring original service data required by the first system from a second system through the virtual service node, wherein the original service data are stored in the second system; and performing corresponding service processing on the original service data to obtain target service data. In the above scheme, the virtual service node is created in the first system, and the virtual service node is used to implement shared transmission of service data between the first system and the second system, without limiting the amount of service data to be transmitted, thereby implementing convenience and high efficiency of data transmission between systems, and simultaneously solving the technical problem that the communication mode adopted by the existing data transmission between systems cannot meet real-time sharing or communication of large data volume.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
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 to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing 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 data transmission between systems, which is applied to a first system, the method comprising:
creating a virtual service node in the first system;
acquiring original service data required by the first system from a second system through the virtual service node, wherein the original service data is stored in the second system;
and performing corresponding service processing on the original service data to obtain target service data.
2. The method of claim 1, wherein the first system and the second system are different and the first system and the second system are distributed operations QNX systems or android systems.
3. The method according to claim 1, wherein a data acquisition device, a device driver and a data server are arranged in the second system, and the device driver is used for driving the data acquisition device to acquire the original service data and transmitting the original service data to the data server;
the obtaining, by the virtual service node, original service data required by the first system from a second system includes:
and receiving the original service data transmitted by the data server side from the second system through the virtual service node.
4. The method according to claim 3, wherein the first system is an android system, the second system is a QNX system, and a hardware abstraction layer and a data application program are further arranged in the first system;
the performing corresponding service processing on the original service data to obtain target service data includes:
performing format conversion processing on the original service data through the hardware abstraction layer to obtain processed service data;
and performing corresponding service processing on the processing service data through the hardware abstraction layer or the data application program to obtain the target service data.
5. The method according to claim 3, wherein the first system is a QNX system, the second system is an android system, and a data client and a data application program are further arranged in the first system;
the performing corresponding service processing on the original service data to obtain target service data includes:
performing format conversion processing on the original service data through the data client to obtain processed service data;
and performing corresponding service processing on the processed service data through the data application program to obtain the target service data.
6. The method according to claim 3, wherein the first system is an android system, the second system is a QNX system, the original service data is original video data, the QNX system is provided with a camera, a camera driver and an automotive imaging system data Server AIS Server, and the camera driver is used for driving the camera to collect the original video data and transmit the original video data to the AIS Server;
the obtaining, by the virtual service node, original service data required by the first system from a second system includes:
and receiving the original video data transmitted by the AIS Server from the QNX system through the virtual service node.
7. The method according to any one of claims 1-6, further comprising:
and sending the target service data to the second system through the virtual service node.
8. An inter-system data transmission device, applied to a first system, the device includes a creation module, an acquisition module, and a processing module, wherein:
the creating module is configured to create a virtual service node in the first system;
the acquiring module is used for acquiring original service data required by the first system from a second system through the virtual service node;
and the processing module is used for carrying out corresponding service processing on the original service data to obtain target service data.
9. A terminal device, wherein a first system is installed in the terminal device, the terminal device comprising: a processor, a memory, a communication interface, and a bus; the processor, the memory and the communication interface are connected through the bus and complete mutual communication; the memory stores executable program code; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, for performing the inter-system data transmission method as set forth in any one of claims 1 to 7.
10. A computer-readable storage medium characterized by storing a program that executes the inter-system data transmission method according to any one of claims 1 to 7 when the program is run on a terminal device.
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