CN109522006A - Built-in multimedia playing frame - Google Patents
Built-in multimedia playing frame Download PDFInfo
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- CN109522006A CN109522006A CN201811368010.5A CN201811368010A CN109522006A CN 109522006 A CN109522006 A CN 109522006A CN 201811368010 A CN201811368010 A CN 201811368010A CN 109522006 A CN109522006 A CN 109522006A
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Abstract
The present embodiments relate to multimedia technology fields, a kind of built-in multimedia playing frame is provided, the built-in multimedia playing frame includes operating system unit, component adaptation unit, control logic unit, data processing unit and Data Management Unit, the built-in multimedia playing frame will cause the part of software change to be packaged due to demand change, developer carries out multimedia play software exploitation using the built-in multimedia playing frame, can greatly improve the scalability and reusability of multimedia play software.Meanwhile it is possible to prevente effectively from repeat test job, save human and material resources.
Description
Technical field
The present embodiments relate to multimedia technology fields, in particular to a kind of built-in multimedia playing frame.
Background technique
With the development of software technology, during new software is designed and is realized, what history item played
Reference function becomes increasingly conspicuous, and SOFTWARE REUSE TECHNOLOGY is particularly important.It is developed under the embedded OSs such as Linux at present
Multimedia play software is mostly realized that reuse, scalability are poor by procedural languages such as C languages.Undertake complex task with
And when in face of complicated application scenarios, the maintenance difficulties of software rise with the rising of task complexity, so that demand
Minimum change can all give entire bringing on a disaster property of software consequence.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of built-in multimedia playing frame, to improve the above problem.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
The embodiment of the invention provides a kind of built-in multimedia playing frame, the built-in multimedia playing frame packet
It includes:
Operating system unit, for realizing the built-in multimedia playing frame cross-system application and with each more matchmakers
Body function interface is corresponding；
Component adaptation unit obtains unified function interface for being packaged to each multimedia function interface, to pass through
The unified function interface realizes multi-medium data transmitting-receiving；
Data Management Unit, for receiving the multi-medium data by the component adaptation unit and sending framing knot
Fruit；
Data processing unit, for obtaining multi-medium data and control instruction, and by the multi-medium data and the control
System instruction carries out framing and obtains framing result；
Control logic unit realizes the specific function of the built-in multimedia playing frame for generating control instruction
Energy.
Compared with the prior art, a kind of built-in multimedia playing frame provided in an embodiment of the present invention, embedded more matchmakers
Body playing frame includes operating system unit, component adaptation unit, control logic unit, data processing unit and data management list
Member, the built-in multimedia playing frame will cause the part of software change to be packaged due to demand change, and developer answers
Multimedia play software exploitation is carried out with the built-in multimedia playing frame, the expansion of multimedia play software can be greatly improved
Malleability and reusability.Furthermore it is possible to effectively avoid repeating test job, save human and material resources.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the block diagram of built-in multimedia playing frame provided in an embodiment of the present invention.
Fig. 2 shows the task component flow charts of built-in multimedia playing frame provided in an embodiment of the present invention.
Icon: 100- built-in multimedia playing frame；101- operating system unit；102- component adaptation unit；103-
Data Management Unit；104- data processing unit；1041- data reception module；1042- data memory module；1043- data hair
Send module；105- control logic unit；106- fault detection unit；107- fault processing unit.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Fig. 1 is please referred to, the box that Fig. 1 shows built-in multimedia playing frame 100 provided in an embodiment of the present invention shows
It is intended to.Built-in multimedia playing frame 100 is suitable including operating system unit 101, the component being successively bi-directionally connected from top to bottom
Connect with unit 102, Data Management Unit 103, data processing unit 104, control logic unit 105, and with other units
The fault detection unit 106 and fault processing unit 107 connect.
Operating system unit 101, for realizing built-in multimedia playing frame 100 cross-system application and with it is each more
Media function interface is corresponding.
In embodiments of the present invention, built-in multimedia playing frame 100 is developed for airborne computer software, application
The built-in multimedia playing frame 100, software developer can be developed rapidly computer that is practical, reliable, easily extending
Application software enhances the inheritance of new and old project.Operating system unit 101 is the running environment of institute's development and application software, including
Embedded OS and driving corresponding with each multimedia function interface, provide component functions interface and mailbox, message team
The service such as column, clock.
Operating system unit 101 includes operating system module and drive module, and operating system module, being used for will be embedded more
Media play frame 100 is docked with the operating system of Multimedia Software Development equipment, to realize that built-in multimedia plays
The cross-system application of frame 100.The operating system of Multimedia Software Development equipment may be, but not limited to, embedded real-time operation
System μ C/OS-II, built-in Linux, Windows Embedded, VxWorks etc., and apply in smart phone and plate
Android, iOS etc. of computer.In other words, operating system unit 101 is used for built-in multimedia playing frame 100 and more
The operating system of media software development equipment is docked, and built-in multimedia playing frame 100 is allowed to be fitted to more matchmakers
Body software development equipment, and multi-medium data is received or sent by the operating system of Multimedia Software Development equipment.
Drive module, for corresponding with each multimedia function interface, so that built-in multimedia playing frame 100 can be with
May include to realize correlation function, multimedia function by the corresponding multimedia function of each multimedia function interface calling,
But be not limited to auxGetDevCaps, auxGetNumDevs, auxGetVolume, auxOutMessage, auxSetVolume etc.
Deng, correspondingly, built-in multimedia playing frame 100 by auxGetDevCaps interface call auxGetDevCaps inquiry refers to
Fixed auxiliary output device is to determine its performance, be called in auxGetNumDevs retrieval system by auxGetNumDevs interface
The quantity etc. of existing auxiliary output device.
Component adaptation unit 102 obtains unified function interface for being packaged to each multimedia function interface, with logical
It crosses unified function interface and realizes multi-medium data transmitting-receiving.
In embodiments of the present invention, by operating system unit 101 it is corresponding with each multimedia function interface after, also need
Each multimedia function interface is further encapsulated, to obtain unified function interface, by this unify function interface can be right
Each multimedia function carries out unified initialization and calling.Since multi-medium data is sent as unit of frame, therefore call every time
Unified function interface is passed to a frame multi-medium data and is sent to operating system unit 101；Meanwhile multi-medium data is as unit of frame
It receives, calls unified function interface that the multi-medium data that each circulation is read is transmitted to Data Management Unit 103 and handle.
Data Management Unit 103, for receiving multi-medium data by component adaptation unit 102 and sending framing result.
In embodiments of the present invention, Data Management Unit 103 is responsible for data transmit-receive logic, specifically, is adapted to from component
Unit 102 obtains multi-medium data and is organized into standard frame and does preliminary check, and the qualified standard frame of verification is put into shared drive,
The data reception module 1041 of notification data processing unit 104 is handled.In addition, being periodically detected the number of data processing unit 104
According to sending module 1043 with the presence or absence of transmission data requirements, if so, multi-medium data is taken out from shared drive, and according to
Preset sending logic is sent.
As an implementation, Data Management Unit 103 includes data check module and data detection module, wherein
Data check module is verified for obtaining multi-medium data from component adaptation unit 102, will pass through the multimedia number of verification
According to being put into shared drive, and notification information is sent to data reception module 1041, so that data reception module 1041 is in shared
Multi-medium data in depositing is handled；Data detection module is periodically detected data hair for configuration data management unit 103
Send module 1043 with the presence or absence of transmission data requirements, and will when detecting that data transmission blocks 1043 exist and send data requirements
Framing result is sent to component adaptation unit 102 according to default sending logic.
Data processing unit 104, for obtaining multi-medium data and control instruction, and by multi-medium data and control instruction
It carries out framing and obtains framing result.
In embodiments of the present invention, data processing unit 104 provides standard frame parsing, framing service, and saves acquisition
Total data.Data processing unit 104 includes data reception module 1041, data memory module 1042 and data transmission blocks
1043, it introduces in detail below:
1, data reception module 1041, for receiving multi-medium data and control instruction and being parsed.In other words, number
The collected multi-medium data of Multimedia Software Development equipment and control can be referred to according to preset protocol according to receiving module 1041
Parsing result is stored in shared drive after being parsed by order, and notify control logic unit 105 do further responsive to；
2, data memory module 1042 refer to for obtaining the multi-medium data after data reception module 1041 parses and control
It enables and is recorded.In other words, data memory module 1042 is responsible for being managed global data and recording and more new explanation
Analyse result；
3, data transmission blocks 1043 obtain framing for the multi-medium data after parsing and control instruction to be carried out framing
As a result, and framing result is sent to Data Management Unit 103.In other words, data transmission blocks 1043 are according to control logic
105 demand of unit, according to preset protocol by after parsing multi-medium data and control instruction carry out framing, and to data management list
Member 103 submits data to send demand.Preset protocol refers to such as offset for being included to data parsing, framing, precision, limit behaviour
That makees to carry out is abstracted, and specific manifestation form is usually character string such as XML (the Extensible Markup of prescribed form
Language, extensible markup language), user can realize data parsing, the change of framing demand by modification character string.
Control logic unit 105 realizes the specific function of built-in multimedia playing frame 100 for generating control instruction
Energy.
In embodiments of the present invention, control logic unit 105 is that frequency the most is updated in built-in multimedia playing frame 100
Numerous unit, the more newly generated test assignment of built-in multimedia playing frame 100 are mainly proposed by control logic unit 105.
Control logic unit 105 realizes that software developer applies the built-in multimedia playing frame 100 for obtaining control instruction
The concrete function for the computer application software developed, for example, from monitoring, remote control response etc..
Fault detection unit 106, for the failure in 100 operational process of real-time detection built-in multimedia playing frame.
In embodiments of the present invention, fault detection unit 106 is used to detect the fortune of built-in multimedia playing frame 100
Row, for example, this machine testing, peripheral hardware detection etc., and it is various different by what is generated in 100 operational process of built-in multimedia playing frame
It often is submitted to fault processing unit 107, is handled by 107 pairs of exceptions of fault processing unit.
Fault processing unit 107, for obtaining failure that fault detection unit 106 detects and being handled.
In embodiments of the present invention, failure of the fault processing unit 107 for the submission of detection unit 106 of debugging, with
This improves the robustness of 100 program of built-in multimedia playing frame.
In embodiments of the present invention, it is also necessary to built-in multimedia playing frame 100 be initialized, embedded more matchmakers
The initialization process of body playing frame 100 are as follows: initialization system configuration, the queue of initialization component interface mailbox messages, initialization
Agreement, initialization clock interrupt service, initialization.
Wherein, initializtion protocol includes loading system configuration protocol, charging assembly agreement and load data storage protocols, tool
For body, loading system configuration protocol refers to after built-in multimedia playing frame 100 is by Command Line Parsing, initializes more
The carry port information of media playback software development equipment, and carry port is initialized, adapter is created to be counted
It is managed according to transmitting-receiving.
Charging assembly agreement, which refers to, corresponds to agreement ID, initialization data processing unit according to existing port information and port
Data reception module 1041 and data transmission blocks 1043 in 104.
Load data storage protocols refer to that built-in multimedia playing frame 100 according to profile information, is established global
Mapping relations between data numeric field data and port local data numeric field data, and data binding relationship is established, to global data
Numeric field data is safeguarded, the execution of control logic unit 105, fault detection unit 106 etc. is facilitated.
In embodiments of the present invention, after the initialization of built-in multimedia playing frame 100 is completed, so that it may according to insertion
The task component of formula multimedia frame 100 executes task.The task component of built-in multimedia playing frame 100 includes control
Logic task, framing task, data parsing task, incoming task and output task processed.Referring to figure 2., built-in multimedia is broadcast
The task component process of frame 100 is put the following steps are included: (1) receives input, i.e., by input interface program triggering incoming task；
(2) task is parsed by input message queue trigger data；(3) control logic task is triggered by logical message queue；(4) lead to
Cross output message queue triggering framing task；(5) output interface program is triggered by output task, completes output.
Wherein, output task, control logic task dispatching periodic duty are triggered by semaphore；Control logic task, framing are appointed
Business, data parsing task dispatching conditioning tasks are respectively by logical message queue, output message queue, input message queue triggering, together
When, the data interaction between Detection task, framing task, data parsing task, incoming task, output task passes through shared drive reality
It is existing；Clock interrupt service routine issues binary signal amount, controls the unlatching and interruption of output task and control logic task.
Using built-in multimedia playing frame 100 provided in an embodiment of the present invention, realizes and be based on configuration file, exploitation
Personnel can be by modifying, safeguarding configuration file, while additions and deletions, modification part control logic, to realize the succession of new and old project
Property.Meanwhile control logic and the mapping relations of multi-medium data again may be by configuration file realization, it is embedded more using this
New and old project inheritance can be improved in media play frame 100, improves the reliability of software development, and developer is embedding using this
Enter formula multimedia frame 100, can be quickly completed by update data processing unit 104 and control logic unit 105 new and old
The upgrading of project effectively increases update efficiency, while save the cost.
In conclusion a kind of built-in multimedia playing frame provided in an embodiment of the present invention, the built-in multimedia
Playing frame includes: operating system unit, for realizing built-in multimedia playing frame cross-system application and with it is each more
Media function interface is corresponding；Component adaptation unit connects for being packaged to obtain uniformly function to each multimedia function interface
Mouthful, to realize multi-medium data transmitting-receiving by unified function interface；Data Management Unit, for being received by component adaptation unit
Multi-medium data simultaneously sends framing result；Data processing unit, for obtaining multi-medium data and control instruction, and by multimedia
Data and control instruction carry out framing and obtain framing result；Control logic unit is realized embedded for generating control instruction
The concrete function of multimedia frame.Built-in multimedia playing frame provided in an embodiment of the present invention will be changed due to demand
The part of software change is caused to be packaged, developer is soft using built-in multimedia playing frame progress multimedia
Part exploitation, can greatly improve the scalability and reusability of multimedia play software.Furthermore it is possible to effectively avoid repeating to survey
Trial work is made, and saves human and material resources.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (8)
1. a kind of built-in multimedia playing frame, which is characterized in that the built-in multimedia playing frame includes:
Operating system unit, for realizing the built-in multimedia playing frame cross-system application and with each multimedia letter
Number interface is corresponding；
Component adaptation unit obtains unified function interface for being packaged to each multimedia function interface, by described
Unified function interface realizes multi-medium data transmitting-receiving；
Data Management Unit, for receiving the multi-medium data by the component adaptation unit and sending framing result；
Data processing unit refers to for obtaining multi-medium data and control instruction, and by the multi-medium data and the control
Progress framing is enabled to obtain framing result；
Control logic unit realizes the concrete function of the built-in multimedia playing frame for generating control instruction.
2. built-in multimedia playing frame as described in claim 1, which is characterized in that the operating system unit includes behaviour
Make system module and drive module；
The operating system module, for by the operating system of built-in multimedia playing frame and Multimedia Software Development equipment
It is docked, to realize the cross-system application of the built-in multimedia playing frame；
The drive module, for corresponding with each multimedia function interface.
3. built-in multimedia playing frame as described in claim 1, which is characterized in that the data processing unit includes number
According to receiving module, data memory module and data transmission blocks；
The data reception module, for receiving multi-medium data and control instruction and being parsed；
The data memory module is gone forward side by side for obtaining the multi-medium data after the data reception module parses and control instruction
Row record；
The data transmission blocks, for by parsing after multi-medium data and control instruction carry out framing obtain framing as a result,
And the framing result is sent to the Data Management Unit.
4. built-in multimedia playing frame as claimed in claim 3, which is characterized in that the Data Management Unit includes number
According to correction verification module and data detection module；
The data check module is verified for obtaining the multi-medium data from the component adaptation unit, will be passed through
The multi-medium data of verification is put into shared drive, and sends notification information to the data reception module, so that the number
The multi-medium data in the shared drive is handled according to receiving module；
The data detection module, for being periodically detected the data transmission blocks with the presence or absence of transmission data requirements, and
It detects that the data transmission blocks exist to send the framing result to according to default sending logic when sending data requirements
The component adaptation unit.
5. built-in multimedia playing frame as described in claim 1, which is characterized in that the built-in multimedia plays frame
Frame further include:
Fault detection unit, for the failure in built-in multimedia playing frame operational process described in real-time detection.
6. built-in multimedia playing frame as claimed in claim 5, which is characterized in that the built-in multimedia plays frame
Frame further include:
Fault processing unit, for obtaining failure that the fault detection unit detects and being handled.
7. built-in multimedia playing frame as described in claim 1, which is characterized in that the built-in multimedia plays frame
The initialization process of frame includes initialization system configuration, the queue of initialization component interface mailbox messages, initializtion protocol, initialization
Clock interrupt service and initialization.
8. built-in multimedia playing frame as claimed in claim 7, which is characterized in that the initializtion protocol includes load
System configuration agreement, charging assembly agreement and load data storage protocols；
The loading system configuration protocol is characterized in the built-in multimedia playing frame by after Command Line Parsing, initially
The carry port information for changing Multimedia Software Development equipment, and initializes the carry port, create adapter with into
The transmitting-receiving management of row data；
The charging assembly agreement, characterization correspond to agreement ID according to port information and port, initialize the data processing unit
In data reception module and data transmission blocks；
The load data storage protocols, characterization establish the mapping between global data numeric field data and port local data numeric field data
Relationship, and data binding relationship is established, to be safeguarded to global data numeric field data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368010.5A CN109522006A (en) | 2018-11-16 | 2018-11-16 | Built-in multimedia playing frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811368010.5A CN109522006A (en) | 2018-11-16 | 2018-11-16 | Built-in multimedia playing frame |
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| CN109522006A true CN109522006A (en) | 2019-03-26 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490724A (en) * | 2002-10-18 | 2004-04-21 | 上海贝尔有限公司 | Virtual machine for embedded systemic software development |
| US20130326124A1 (en) * | 2012-05-31 | 2013-12-05 | Stmicroelectronics S.R.L. | Power management architecture based on micro/processor architecture with embedded and external nvm |
| CN106933580A (en) * | 2017-03-02 | 2017-07-07 | 北京天恒长鹰科技股份有限公司 | A kind of embedded-type software architecture system |
-
2018
- 2018-11-16 CN CN201811368010.5A patent/CN109522006A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490724A (en) * | 2002-10-18 | 2004-04-21 | 上海贝尔有限公司 | Virtual machine for embedded systemic software development |
| US20130326124A1 (en) * | 2012-05-31 | 2013-12-05 | Stmicroelectronics S.R.L. | Power management architecture based on micro/processor architecture with embedded and external nvm |
| CN106933580A (en) * | 2017-03-02 | 2017-07-07 | 北京天恒长鹰科技股份有限公司 | A kind of embedded-type software architecture system |
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Application publication date: 20190326 |