CN103533253A - DVD function control method and device based on Android system - Google Patents
DVD function control method and device based on Android system Download PDFInfo
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- CN103533253A CN103533253A CN201310151858.3A CN201310151858A CN103533253A CN 103533253 A CN103533253 A CN 103533253A CN 201310151858 A CN201310151858 A CN 201310151858A CN 103533253 A CN103533253 A CN 103533253A
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Abstract
The invention discloses a DVD function control method and a device based on an Android system. The method comprises that: a DVD database and a player interface are synthesized into a user interface which is then transmitted to a display memory module of an inner core layer; a video stream of the inner core layer is transmitted to the display memory module of the inner core layer; and the user interface and the video stream are overlaid, and video images after overlaying are displayed. When a video is played, the video stream does not need to be uploaded to a frame layer to overlay so that wastage of system resources during DVD playing is greatly reduced, processing of video stream data is simplified and system operation is smoother.
Description
Technical field
The present invention relates to DVD play-back technology, particularly a kind of DVD function control method and device based on Android system.
Background technology
Along with the development of electronic technology, Android(Android) system is widely used gradually on electronic product, particularly has on the product of DVD function the intelligent players on computer or mobile phone for example, Vehicular DVD navigation.Yet Android system consumption resource is very large, often there will be internal memory to use too high phenomenon.
During the current external video of Android system plays, the image of the image in input video source and Android system plays device need to be done to a figure in Android system the inside also laminated, example mode as shown in Figure 1: during the external video of the original broadcasting of Android system need to by the video source of inputting, at the video streaming of inner nuclear layer to the hardware abstraction layer in ccf layer; Simultaneously by comprised DVD database (comprising playlist) that video playback is controlled transfer to synthetic with player interface in application layer after, transfer in ccf layer and adopt OVERRLAY(to cover with video flowing again) mode transfers to after superposeing in the display driver of inner nuclear layer and shows, and just can see video frequency program, playlist and the Play Control icon etc. that need broadcasting on display screen.Because Android system has been uploaded video flowing and the DVD database of DVD, in this upload procedure, can consume a large amount of resources, cause system operation slack-off or seize the resource of running background program, the operational efficiency of Android system is reduced greatly, also increased developer's workload.
Thereby prior art need to improve.
Summary of the invention
In view of the lower problem of the Android running efficiency of system of above-mentioned prior art, the object of the present invention is to provide a kind of DVD function control method and device based on Android system, to solve Android system in prior art, carry out the DVD problem that consumption of natural resource is large while playing, operational efficiency is low.
In order to achieve the above object, the present invention has taked following technical scheme:
A DVD function control method for Android system, wherein said Android system comprises inner nuclear layer, application layer and ccf layer, described DVD function control method comprises:
A, by the synthetic user interface of DVD database and player interface and transfer to the video memory module of inner nuclear layer;
B, the video memory module by the video streaming of inner nuclear layer to inner nuclear layer;
C, described user interface and described video flowing are superposeed, show the video image after stack.
In the described DVD function control method based on Android system, in described steps A, specifically comprise:
A1, the DVD database transmissions of inner nuclear layer to ccf layer is carried out to format conversion, form Android database and also transfer to application layer;
Player interface in A2, load application layer and Android database, synthetic user interface;
A3, user interface is done to transparent processing, and the user interface after processing is transferred to the video memory module of inner nuclear layer.
In the described DVD function control method based on Android system, before described steps A 3, described DVD function control method also comprises:
A31, user interface is divided into viewing area and control area;
A32, control area is drawn and formed the corresponding user interface of controlling.
In the described DVD function control method based on Android system, described steps A 3 specifically comprises:
A321, transparent processing is done in described viewing area;
A322, the viewing area after transparent processing, described control user interface are transferred to video memory module.
A device of realizing the DVD function control method based on Android system, it comprises:
Synthesis module, for synthesizing DVD database and player interface user interface and transfer to video memory module;
Video memory module, for described user interface and described video flowing are superposeed, shows the video image after stack.
In described device, also comprise for DVD database is carried out to format conversion, form the format converting module of Android database;
Described synthesis module is also for user interface is done to transparent processing, and the user interface after processing transferred to the video memory module of inner nuclear layer.
In described device, described synthesis module is also drawn the corresponding user interface of controlling of formation for user interface being divided into viewing area and ，Dui control area, control area; Transparent processing is done in described viewing area, the viewing area after described control user interface, transparent processing is transferred to video memory module.
Compared to prior art, DVD function control method and device based on Android system provided by the invention, the video flowing of inner nuclear layer is directly transferred to the video memory module of inner nuclear layer, by the DVD database of inner nuclear layer and the synthetic user interface of player interface, user interface is done and is back to video memory module after transparent processing and video flowing superposes, by video memory module, show the video image after stack; When video playback, without video flowing is uploaded to ccf layer, superpose, greatly reduced the waste of system resource when DVD plays, simplified the processing of video stream data, make system operation more smooth.
Accompanying drawing explanation
Fig. 1 is the data flow diagram that prior art Android system is realized video playback.
Fig. 2 is the DVD function control method flow chart based on Android system provided by the invention.
Fig. 3 is the data flow diagram that DVD function control method based on Android system provided by the invention and device are realized video playback.
The schematic diagram of video image in Fig. 4, DVD function control method based on Android system provided by the invention and device.
Fig. 5 is the structured flowchart of the DVD function control device based on Android system provided by the invention.
Embodiment
The invention provides a kind of DVD function control method and device based on Android system, for making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
DVD function control method and device based on Android system provided by the invention, when having changed prior art and carrying out video playback, video flowing need to be uploaded to the mode of the ccf layer of Android system, only need to video flowing, carry out corresponding processing at inner nuclear layer, can avoid the resource consumption producing in video flowing upload procedure, reduced the waste of system resource, can also make system operation more smooth.Take below and adopt Android system as basis, to set forth method and apparatus of the present invention.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the DVD function control method flow chart based on Android system provided by the invention.As shown in Figure 2, the method for described startup TV applications, comprising:
S100, by the synthetic user interface of DVD database and player interface and transfer to the video memory module of inner nuclear layer.
S200, the video memory module by the video streaming of inner nuclear layer to inner nuclear layer.
Video flowing is defined as to figure layer 1.As shown in Figure 3, because this step is not uploaded video flowing, but directly in inner nuclear layer, it is processed, avoided the resource consumption that produces in video flowing upload procedure, reduced the waste of system resource.
S300, described user interface and described video flowing are superposeed, show the video image after stack.
Particularly, described Android system comprises application layer, ccf layer and inner nuclear layer, wherein said DVD database is deposited in described inner nuclear layer, player interface is stored in described application layer, herein by DVD database transmissions in described application layer, synthesize with described player interface, and transmit it in the video memory module of inner nuclear layer.Further, in step S100, described DVD database comprises the data such as playlist, video interception, word.Player interface is Android player interface, and it comprises video playback window, control video playback/time-out, volume up/down, next video, arrange etc. and to control icon.Because DVD database and player interface lay respectively at the different layers of Android system, need in the specific implementation DVD database and player interface to be synthesized together and to form one and can for user, carry out the user interface of Play Control, specifically comprise the following steps:
Step 1, the DVD database transmissions of inner nuclear layer to ccf layer is carried out to format conversion, form Android database and also transfer to application layer.
Format conversion be for make data in DVD database can with the pattern matched of the player interface of Android system, be convenient to both synthetic.
Player interface in step 2, load application layer and Android database, synthetic user interface.
By described user interface definition, be figure layer 2, it has comprised all the elements of DVD database and player interface.
Step 3, user interface is done to transparent processing, and the user interface after processing is transferred to the video memory module of inner nuclear layer.
Described transparent processing is carried out in application layer.In order to make figure layer 1 and to scheme when layer 2 superposes, can not influence each other, need to carry out subregion to figure layer 2,, before described step 3, also comprise for this reason:
Step 31, user interface is divided into viewing area and control area.
Step 32, control area is drawn and formed the corresponding user interface of controlling.
Viewing area is video playback window, for playing figure layer 1, being the video frequency program of video flowing, its size is by the decision that arranges of application layer.Control area, for video frequency program is controlled accordingly, is comprised by this control area formation control user interface: playlist, video interception, word, broadcasting/time-out, volume up/down, next video, arrange etc. controlled icon.
In step 32, in order to make the content energy simultaneous display ，Zhi Xudui certain customers interface of figure layer 1 and figure layer 2 do transparent processing, it specifically comprises:
The first step, transparent processing is done in described viewing area;
Second step, the viewing area after transparent processing, described control user interface are transferred to video memory module.
In step S300, viewing area and the video flowing controlled after user interface, transparent processing are superposeed, in this enforcement, will control user interface, viewing area and video flowing virtual is corresponding layer, as shown in Figure 4, the a on Fig. 4 top is the video layer that video flowing is corresponding, b is complete Android display layer corresponding to user interface, and c is display layer corresponding to viewing area (being video playback window) of doing in user interface after transparent processing.Dash area between a and b is control user interface, does not carry out transparent processing.By a, b, tri-stacked rear formation video images as shown in the lower part of Figure 4 that add of c.Because c is transparent, just the content of a and control user interface in b can be superimposed forms video image and realizes synchronizeing and manifest.
The method of the startup TV applications based on above-mentioned, the present invention also corresponding provide a kind of for realize DVD function control method based on Android system device, refer to Fig. 5, described device comprises connected video memory module 10 and synthesis module 20, synthesis module 20 is by the synthetic user interface of the player interface the DVD database obtaining from inner nuclear layer and application layer and transfer to the video memory module 10 in inner nuclear layer, the video flowing of inner nuclear layer directly transfers in video memory module 10, carry out video superimpose with described user interface, the video image being shown after stack by video memory module 10.
For make data in DVD database can with the pattern matched of the player interface of Android system, be convenient to both synthetic, described device also comprises format converting module 30, it carries out format conversion to DVD database, forms Android database.
In order to make user interface and the video flowing can simultaneous display, again can phase mutual interference, synthesis module 20 is done transparent processing to user interface further, and the user interface after processing is transferred to the video memory module of inner nuclear layer.In the specific implementation, synthesis module 20 is divided into viewing area and ，Dui control area, control area by user interface and draws and form the corresponding user interface of controlling; Transparent processing is done in described viewing area, the viewing area after control user interface, transparent processing is transferred to video memory module 10 and carry out video superimpose, can form existing video pictures, have again the video image of controlling user interface.
In sum, the present invention is uploaded to the DVD database in inner nuclear layer application layer, synthesizes user interface with player interface after ccf layer converts Android database to; User interface is divided into viewing area and transparent processing is done in ，Dui viewing area, control area, control area is drawn and formed the corresponding user interface of controlling; The viewing area of controlling after user interface, transparent processing is transferred to the video memory module in inner nuclear layer, the video flowing in inner nuclear layer is directly transferred in video memory module simultaneously and carry out video superimpose formation video image and show with the viewing area of controlling after user interface, transparent processing.The present invention superposes without the video flowing of inner nuclear layer is uploaded to ccf layer when video playback, avoided the resource consumption producing in video flowing upload procedure, greatly reduced the waste of system resource when DVD plays, simplified the processing of video stream data, made system operation more smooth.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1. the DVD function control method based on Android system, wherein said Android system comprises inner nuclear layer, application layer and ccf layer, it is characterized in that, described DVD function control method comprises:
A, by the synthetic user interface of DVD database and player interface and transfer to the video memory module of inner nuclear layer;
B, the video memory module by the video streaming of inner nuclear layer to inner nuclear layer;
C, described user interface and described video flowing are superposeed, show the video image after stack.
2. the DVD function control method based on Android system according to claim 1, is characterized in that, in described steps A, specifically comprises:
A1, the DVD database transmissions of inner nuclear layer to ccf layer is carried out to format conversion, form Android database and also transfer to application layer;
Player interface in A2, load application layer and Android database, synthetic user interface;
A3, user interface is done to transparent processing, and the user interface after processing is transferred to the video memory module of inner nuclear layer.
3. the DVD function control method based on Android system according to claim 2, is characterized in that, before described steps A 3, described DVD function control method also comprises:
A31, user interface is divided into viewing area and control area;
A32, control area is drawn and formed the corresponding user interface of controlling.
4. the DVD function control method based on Android system according to claim 3, is characterized in that, described steps A 3 specifically comprises:
A321, transparent processing is done in described viewing area;
A322, the viewing area after transparent processing, described control user interface are transferred to video memory module.
5. for realizing a device for the DVD function control method based on Android system, it is characterized in that, comprising:
Synthesis module, for synthesizing DVD database and player interface user interface and transfer to video memory module;
Video memory module, for described user interface and described video flowing are superposeed, shows the video image after stack.
6. device according to claim 5, is characterized in that, also comprises for DVD database is carried out to format conversion, forms the format converting module of Android database;
Described synthesis module is also for user interface is done to transparent processing, and the user interface after processing transferred to the video memory module of inner nuclear layer.
7. device according to claim 6, is characterized in that, described synthesis module is also drawn the corresponding user interface of controlling of formation for user interface being divided into viewing area and ，Dui control area, control area; Transparent processing is done in described viewing area, the viewing area after described control user interface, transparent processing is transferred to video memory module.
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