CN103533253B - A kind of DVD function control method and device based on Android system - Google Patents
A kind of DVD function control method and device based on Android system Download PDFInfo
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- CN103533253B CN103533253B CN201310151858.3A CN201310151858A CN103533253B CN 103533253 B CN103533253 B CN 103533253B CN 201310151858 A CN201310151858 A CN 201310151858A CN 103533253 B CN103533253 B CN 103533253B
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Abstract
The invention discloses a kind of DVD function control method based on Android system and device, its method includes：DVD data storehouse is synthesized into user interface with player interface and transmitted to the video memory module of inner nuclear layer；The video of inner nuclear layer is streamed to the video memory module of inner nuclear layer；The user interface is overlapped with the video flowing, the video image after display superposition.The present invention is overlapped in video playback without video flowing is uploaded into ccf layer, is greatly reduced the waste of system resource when DVD is played, is simplified the processing of video stream data, make system operation more smooth.
Description
Technical field
The present invention relates to DVD play-back technologies, more particularly to a kind of DVD function control method and dress based on Android system
Put.
Background technology
With the development of electronic technology, Android（Android）System is gradually widely used on electronic product, particularly
On the product with DVD functions, such as the intelligent players on computer or mobile phone, Vehicular DVD navigation.But Android systems
System consumption resource is very big, often occurs that internal memory uses too high phenomenon.
, it is necessary to which the image in input video source and android system are played when current android system plays external video
The image of device does a figure layer merging, such as mode shown in Fig. 1 inside android system：Android system is original to be played
Needed the video source of input during external video, be streamed to hardware abstraction layer in ccf layer in the video of inner nuclear layer；Together
When will include video playback control DVD data storehouse（Including playlist）Transmit into application layer and to be synthesized with player interface
Afterwards, transmit again into ccf layer and to use OVERRLAY with video flowing（Covering）Mode is transmitted after being superimposed to the display driving of inner nuclear layer
In show, need the video frequency program played, playlist with regard to that can see on a display screen and play control icon etc..By
DVD video flowing and DVD data storehouse are uploaded in android system, substantial amounts of resource can be consumed in this upload procedure, is led
Cause system operation slack-off or seize the resource of running background program, substantially reduce the operational efficiency of android system, also increase
The workload of developer.
Thus prior art could be improved and improve.
The content of the invention
In view of the problem of android system operational efficiency of above-mentioned prior art is relatively low, it is an object of the invention to provide
A kind of DVD function control method and device based on Android system, are broadcast with solving android system progress DVD in the prior art
The problem of resource is big, operational efficiency is low is consumed when putting.
In order to achieve the above object, this invention takes following technical scheme：
A kind of DVD function control method based on Android system, wherein the Android system include inner nuclear layer, application layer and
Ccf layer, the DVD function control method includes：
A, DVD data storehouse is synthesized into user interface with player interface and transmitted to the video memory module of inner nuclear layer；
B, the video memory module that the video of inner nuclear layer is streamed to inner nuclear layer；
C, the user interface is overlapped with the video flowing, the video image after display superposition.
In the described DVD function control method based on Android system, specifically included in the step A：
A1, by the DVD data storehouse of inner nuclear layer transmit to ccf layer enter row format conversion, formed Android databases simultaneously pass
Transport to application layer；
Player interface and Android databases in A2, loading application layer, synthesize user interface；
A3, transparent processing is done to user interface, and the user interface after processing is transmitted to the video memory module of inner nuclear layer.
In the described DVD function control method based on Android system, before the step A3, described DVD functions
Control method also includes：
A31, user interface is divided into viewing area and control area；
A32, to control area carry out drafting form corresponding control user interface.
In the described DVD function control method based on Android system, the step A3 is specifically included：
A321, transparent processing is done to the viewing area；
A322, the viewing area after transparent processing, the control user interface transmitted to video memory module.
A kind of device for being used to realize the DVD function control method based on Android system, it includes：
Synthesis module, for DVD data storehouse to be synthesized into user interface with player interface and transmitted to video memory module；
Video memory module, for the user interface to be overlapped with the video flowing, the video image after display superposition.
In described device, in addition to for entering row format conversion to DVD data storehouse, form the lattice of Android databases
Formula modular converter；
The synthesis module is additionally operable to do user interface transparent processing, and the user interface after processing is transmitted to kernel
The video memory module of layer.
In described device, the synthesis module is additionally operable to user interface being divided into viewing area and control area, right
Control area carries out drafting and forms corresponding control user interface；Transparent processing is done to the viewing area, the control is used
Transmit to video memory module viewing area after family interface, transparent processing.
Compared to prior art, DVD function control method based on Android system and device that the present invention is provided, by kernel
The video flowing of layer is directly transferred to the video memory module of inner nuclear layer, and the DVD data storehouse of inner nuclear layer is synthesized into user with player interface
Interface, does video memory module is back to after transparent processing is overlapped with video flowing to user interface, is shown and is superimposed by video memory module
Video image afterwards；It is overlapped in video playback without video flowing is uploaded into ccf layer, when greatly reducing DVD broadcastings
System resource waste, simplify the processing of video stream data, make system operation more smooth.
Brief description of the drawings
Fig. 1 is the data flow diagram that prior art Android system realizes video playback.
The DVD function control method flow chart based on Android system that Fig. 2 provides for the present invention.
DVD function control method based on Android system and device that Fig. 3 provides for the present invention realize the number of video playback
According to flow diagram.
The signal of video image in DVD function control method based on Android system and device that Fig. 4, the present invention are provided
Figure.
The structured flowchart for the DVD function control devices based on Android system that Fig. 5 provides for the present invention.
Embodiment
The present invention provides a kind of DVD function control method and device based on Android system, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should manage
Solution, specific embodiment described herein only to explain the present invention, is not intended to limit the present invention.
DVD function control method based on Android system and device that the present invention is provided, change prior art and are regarded
Frequency needs to be uploaded to video flowing into the mode of the ccf layer of Android system when playing, it is only necessary to carry out phase to video flowing in inner nuclear layer
The processing answered, is avoided that the resource consumption produced in video flowing upload procedure, reduces the waste of system resource, moreover it is possible to make
System operation is more smooth.Below methods and apparatus of the present invention is illustrated based on using Android system.
Please refer to Fig. 2 and Fig. 3, the DVD function control method flow based on Android system that Fig. 2 provides for the present invention
Figure.As shown in Fig. 2 the method for described startup TV applications, including：
S100, DVD data storehouse is synthesized into user interface with player interface and transmitted to the video memory module of inner nuclear layer.
S200, the video memory module that the video of inner nuclear layer is streamed to inner nuclear layer.
Video flowing is defined as figure layer 1.As shown in figure 3, because this step does not upload video flowing, but directly including
It is handled in stratum nucleare, it is to avoid the resource consumption produced in video flowing upload procedure, reduce the waste of system resource.
S300, the user interface is overlapped with the video flowing, the video image after display superposition.
Specifically, the Android system includes application layer, ccf layer and inner nuclear layer, wherein the DVD data stock is put in
In the inner nuclear layer, player interface is stored in the application layer, herein transmits in DVD data storehouse into the application layer,
Synthesized, and transmitted it in the video memory module of inner nuclear layer with the player interface.Further, in step S100
In, the DVD data storehouse includes the data such as playlist, video interception, word.Player interface is Android players circle
Face, it includes the control icons such as video playback window, control video playback/pause, volume up/down, next video, setting.
Because DVD data storehouse and player interface are located at the different layers of Android system respectively, need DVD data storehouse in the specific implementation
It is synthesized together to form a user interface for being available for user to play out control with player interface, specifically includes following step
Suddenly：
Step 1, the DVD data storehouse of inner nuclear layer is transmitted to ccf layer and enters row format conversion, form Android databases simultaneously
Transmit to application layer.
Form conversion be in order that the data in DVD data storehouse can be with the player interface of Android system data format
Match somebody with somebody, be easy to both to synthesize.
Player interface and Android databases in step 2, loading application layer, synthesize user interface.
It is figure layer 2 by the user interface definition, that includes DVD data storehouse and all the elements of player interface.
Step 3, transparent processing is done to user interface, and the user interface after processing is transmitted to the video memory mould of inner nuclear layer
Block.
The transparent processing is carried out in application layer.In order that will not be influenced each other, it is necessary to right when figure layer 1 and the superposition of figure layer 2
Figure layer 2 carries out subregion, therefore, also including before the step 3：
Step 31, user interface is divided into viewing area and control area.
Step 32, to control area carry out drafting form corresponding control user interface.
Viewing area is video playback window, the video frequency program for playing figure layer 1, i.e. video flowing, and its size is by applying
The setting of layer is determined.Control area is used to control video frequency program accordingly, and control user is formed by the control area
Interface includes：The control figures such as playlist, video interception, word, broadcasting/pause, volume up/down, next video, setting
Mark.
In the step 32, in order that the content energy simultaneous display of figure layer 1 and figure layer 2, need to only do to certain customers interface
Daylight is managed, and it is specifically included：
The first step, transparent processing is done to the viewing area；
Second step, the viewing area after transparent processing, the control user interface transmitted to video memory module.
In step S300, the viewing area after control user interface, transparent processing and video flowing are overlapped, this reality
It is virtually corresponding layer by control user interface, viewing area and video flowing to apply middle, as shown in figure 4, a on Fig. 4 tops is video
Flow corresponding video layer, b is the corresponding complete Android display layers of user interface, c is to do after transparent processing in user interface
Viewing area（That is video playback window）Corresponding display layer.Dash area between a and b is control user interface, is not had
There is carry out transparent processing.Video image as shown in the lower part of Figure 4 is formed after tri- stackings of a, b, c are added.Due to c be it is transparent,
A content and the control user interface in b can be just superimposed to be formed video image realize synchronously show.
Based on the method for above-mentioned startup TV applications, the present invention correspondingly provides a kind of for realizing based on Android system
DVD function control method device, referring to Fig. 5, described device includes connected video memory module 10 and synthesis module 20,
Synthesis module 20 by the DVD data storehouse obtained from inner nuclear layer synthesized with the player interface in application layer user interface and transmit to
Video memory module 10 in inner nuclear layer, the video flowing of inner nuclear layer is directly transferred in video memory module 10, is carried out with the user interface
Video is superimposed, and the video image after superposition is shown by video memory module 10.
In order that the data in DVD data storehouse can be with the player interface of Android system pattern matched, be easy to two
Person synthesizes, and described device also includes format converting module 30, and it enters row format conversion to DVD data storehouse, forms Android data
Storehouse.
In order that user interface and video flowing can simultaneous display, will not interfere again, synthesis module 20 is further
Transparent processing is done to user interface, and the user interface after processing is transmitted to the video memory module of inner nuclear layer.In the specific implementation,
User interface is divided into viewing area and control area by synthesis module 20, and control area is carried out to draw the corresponding control of formation
User interface；Transparent processing is done to the viewing area, the viewing area after control user interface, transparent processing is transmitted to aobvious
Storing module 10 carries out video superposition, you can forms existing video pictures, there is the video image of control user interface again.
In summary, the present invention uploads in the DVD data storehouse in inner nuclear layer after ccf layer is converted into Android databases
User interface is synthesized to application layer, with player interface；User interface is divided into viewing area and control area, to viewing area
Transparent processing is done in domain, and carrying out drafting to control area forms corresponding control user interface；By control user interface, transparent processing
The video memory module into inner nuclear layer is transmitted in viewing area afterwards, while the video flowing in inner nuclear layer is directly transferred into video memory module
In carry out video with the viewing area after control user interface, transparent processing and be superimposed to form video image and show.The present invention exists
It is overlapped during video playback without the video flowing of inner nuclear layer is uploaded into ccf layer, it is to avoid produced in video flowing upload procedure
Resource consumption, greatly reduce DVD play when system resource waste, simplify the processing of video stream data, make system
Operation is more smooth.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (4)
1. a kind of DVD function control method based on Android system, wherein the Android system includes inner nuclear layer, application layer and frame
Rack-layer, it is characterised in that the DVD function control method includes：
A, DVD data storehouse is synthesized into user interface with player interface and transmitted to the video memory module of inner nuclear layer；
B, the video memory module that the video of inner nuclear layer is streamed to inner nuclear layer；
C, the user interface is overlapped with the video flowing, the video image after display superposition；
Specifically included in the step A：
A1, by the DVD data storehouse of inner nuclear layer transmit to ccf layer enter row format conversion, formed Android databases and transmit to
Application layer；
Player interface and Android databases in A2, loading application layer, synthesize user interface；
A3, transparent processing is done to user interface, and the user interface after processing is transmitted to the video memory module of inner nuclear layer.
2. the DVD function control method according to claim 1 based on Android system, it is characterised in that in the step
Before A3, described DVD function control method also includes：
A31, user interface is divided into viewing area and control area；
A32, to control area carry out drafting form corresponding control user interface.
3. the DVD function control method according to claim 2 based on Android system, it is characterised in that the step A3
Specifically include：
A321, transparent processing is done to the viewing area；
A322, the viewing area after transparent processing, the control user interface transmitted to video memory module.
4. a kind of device for being used to realize the DVD function control method based on Android system, it is characterised in that including：
Synthesis module, for loading the player interface in application layer and Android databases, synthesizes user interface, to user
Transparent processing is done at interface, and the user interface after processing is transmitted to the video memory module of inner nuclear layer；
Video memory module, the video flowing for obtaining inner nuclear layer, and the user interface is overlapped with the video flowing, show
Show the video image after superposition；
Format converting module, entering row format conversion for will be transmitted by inner nuclear layer to the DVD data storehouse of ccf layer, being formed
Android databases are simultaneously transmitted to application layer；
The synthesis module is additionally operable to user interface being divided into viewing area and control area, and drafting shape is carried out to control area
Into corresponding control user interface；Transparent processing is done to the viewing area, after the control user interface, transparent processing
Transmit to video memory module viewing area.
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| CN201310151858.3A CN103533253B (en) | 2013-04-27 | 2013-04-27 | A kind of DVD function control method and device based on Android system |
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| CN202796056U (en) * | 2012-08-06 | 2013-03-13 | 深圳乐投卡尔科技有限公司 | Vehicular Android platform |
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| CN102855128A (en) * | 2011-06-28 | 2013-01-02 | 希姆通信息技术（上海）有限公司 | Implementation method of interface system based on Android kernel |
| CN102568514A (en) * | 2012-01-05 | 2012-07-11 | 青岛艾孚高清技术有限公司 | Three-dimensional (3D) high definition multi-media player |
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