CN102663989A - Buffer processing method and device for display of mobile terminal - Google Patents
Buffer processing method and device for display of mobile terminal Download PDFInfo
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- CN102663989A CN102663989A CN2012101127496A CN201210112749A CN102663989A CN 102663989 A CN102663989 A CN 102663989A CN 2012101127496 A CN2012101127496 A CN 2012101127496A CN 201210112749 A CN201210112749 A CN 201210112749A CN 102663989 A CN102663989 A CN 102663989A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1415—Digital output to display device ; Cooperation and interconnection of the display device with other functional units with means for detecting differences between the image stored in the host and the images displayed on the displays
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Abstract
The invention discloses a buffer processing method and a device for display of a mobile terminal. The buffer processing method and the device are used for avoiding the problem that data displayed on a screen of the terminal do not belong to the same frame, preventing the problem of a torn screen due to the fact that data displayed at a time do not belong to the same frame, and improving a display effect. The method includes sequentially judging access statuses and access types of at least two buffer zones set in the mobile terminal; writing data to be displayed into an optional buffer zone when the buffer zone is determined to be in an accessible status and a current access type of the buffer zone is further determined to be a write operation type, and modifying the current access type of the buffer zone into a read operation type after the write operation is completed; and reading data in an optional buffer zone and displaying the data when the buffer zone is determined to be in an access status and a current access type of the buffer zone is further determined to be a reading operation type, and modifying the access type of the buffer zone into a write operation type after the reading operation is completed.
Description
Technical field
The present invention relates to display technique field, terminal, relate in particular to a kind of method for caching and processing and device that is used for mobile terminal displays.
Background technology
The display system of mobile terminal device (like mobile phone) is an important ingredient; The quality of display effect has directly determined the quality of mobile terminal device; The display system of main frame (host) finally can be with data presentation at LCDs (Liquid Crystal Display; LCD) on, need the middle transition of buffer zone (buffer).The upper layer application system that is portable terminal at first will need data presented to write among the buffer, and when showing, the drive part of portable terminal obtains data and is presented on the LCD from buffer.
Existing mobile terminal displays system adopts the display screen of the rgb interface interface of green, primary colors input (promptly share out bonus) more; When using the display screen of rgb interface; Must in the dynamic random memory block of main frame (like DDR), set a storage area, generally speaking, only set a buffer zone as buffer; Under the situation of the application system of portable terminal part and drive part time-sharing operation; Read operation and write operation to the buffer zone can not clash, and promptly the same time is only carried out read operation or write operation to this buffer zone, and can not carry out two kinds of operations simultaneously.But; In the application system of portable terminal part when independence is operated buffer respectively with drive part; The read operation of promptly buffer being carried out; With the write operation that buffer is carried out is independently to carry out, and can carry out two kinds of operations to buffer simultaneously, and this just might occur the speed of the read operation of buffer and inconsistent to its speed of carrying out write operation.
Generally speaking, the storage size of a buffer is frame data sizes, is to show the shared storage size of whole screen data on the mobile terminal display screen.When the application system of portable terminal part was operated buffer with drive part independently, if the speed that buffer is carried out write operation is with identical to its speed of carrying out read operation, then demonstration normally.If the application system of portable terminal part is obtained the speed (promptly buffer being carried out the speed of read operation) of data greater than drive part to the speed (promptly writing the speed of data to buffer) of buffer transmission data; This has not also got the data of current display frame with regard to causing drive part; Data in the buffer have been employed the new data covering that components of system as directed is sent; Thereby cause in the LCD data presented part to be the data of current display frame; A part is the data of next frame to be shown, and what promptly cause the display screen demonstration is not same frame data, the screen phenomenon occurs tearing; Equally, if the application system of portable terminal part is sent speed from data to buffer is obtained the speed of data less than drive part, the application system part has not also been sent the data of current display frame; Promptly also do not cover the data of last display frame fully; Drive part has read the data in the whole buffer and has finished, and is the data of current display frame thereby cause the part of LCD display, and another part is the data of last display frame; What show is not to be same picture, the screen phenomenon occurs tearing.
Summary of the invention
The present invention provides a kind of method for caching and processing and device that is used for mobile terminal displays; What show when avoiding the terminal to show screen data is not that the situation of same frame data occurs; Prevent owing to once show be not same frame data cause tear the screen phenomenon, improve display effect.
The concrete technical scheme that the embodiment of the invention provides is following:
A kind of method for caching and processing that is used for mobile terminal displays comprises:
Judge the Access status and the access type of at least two buffer zones that are provided with in the portable terminal successively;
To arbitrary buffer zone; When definite said buffer zone is addressable state, and when confirming that further the current access type of said buffer zone is write operation, in said buffer zone, write data to be shown; After this write operation is accomplished, the access type of said buffer zone is revised as read operation;
When definite said buffer zone is addressable state; And when confirming that further the current access type of said buffer zone is read operation; The data that read in the said buffer zone show, after this read operation is accomplished, the access type of said buffer zone are revised as write operation.
A kind of buffer processing device that is used for mobile terminal displays comprises:
First processing unit, the Access status and the access type of at least two buffer zones that are used for judging that successively portable terminal is provided with;
Second processing unit; Be used for to arbitrary buffer zone; When definite said buffer zone is addressable state, and when confirming that further the current access type of said buffer zone is write operation, in said buffer zone, write data to be shown; After this write operation is accomplished, the access type of said buffer zone is revised as read operation;
The 3rd processing unit; Be used for when confirming that said buffer zone be addressable state, and when confirming that further the current access type of said buffer zone is read operation, the data that read in the said buffer zone show; After this read operation is accomplished, the access type of said buffer zone is revised as write operation.
Based on technique scheme, in the embodiment of the invention, at least two buffer zones that are used to show are set in portable terminal; Through Access status and the access type of judging at least two buffer zones that are provided with in the portable terminal successively, and to arbitrary buffer zone, be that addressable state and definite current access type are when being write operation at definite this buffer zone; In this buffer zone, write data to be shown; After this write operation is accomplished, the access type of this buffer zone is revised as read operation, and is that addressable state and definite current access type are when being read operation at definite this buffer zone; The data that read in this buffer zone show; After this read operation is accomplished, the access type of this buffer zone is revised as write operation, thereby only can carries out read operation or write operation at one time same buffer zone; Avoided because simultaneously same buffer zone to be carried out the speed of read operation and write operation inconsistent; And what cause showing is not same frame data, thus effectively prevented since once show be not same frame data cause tear the screen phenomenon, improved display effect.
Description of drawings
Fig. 1 is for being used for the method flow diagram of the caching process of mobile terminal displays in the embodiment of the invention;
Fig. 2 is for being used for the buffer processing device structural representation of mobile terminal displays in the embodiment of the invention.
Embodiment
What show when effectively avoiding the terminal to show screen data is not that the situation of same frame data occurs; Prevent owing to once show be not same frame data cause tear the screen phenomenon; Improve display effect, the embodiment of the invention provides a kind of method for caching and processing and device that is used for mobile terminal displays.
Below in conjunction with accompanying drawing the preferred embodiment of the present invention is elaborated.
In following examples, the storage size of a buffer zone is frame data sizes, is to show the shared storage size of whole screen data on the mobile terminal display screen.
Shown in accompanying drawing 1, in the embodiment of the invention, the detailed method flow process of caching process that is used for mobile terminal displays is following:
Step 101: Access status and the access type of judging at least two buffer zones that are provided with in the portable terminal successively.
In the embodiment of the invention, be provided with at least two buffer zones in the portable terminal, promptly comprise the buffer zone that two or more are used to show in the portable terminal.
In the embodiment of the invention, judge the Access status of at least two buffer zones that are provided with in the portable terminal successively, when concrete the realization; To arbitrary buffer zone; Judge whether first preset in this buffer zone zone bit is preset value, if confirm that then this buffer zone is in addressable state; Otherwise, confirm that this buffer zone is in the disable access state.Wherein, when buffer zone is in the disable access state, can't carry out read operation or write operation to this buffer zone.
For example, Lock zone bit of each buffer zone relative set is to arbitrary buffer zone; In the Lock of this buffer zone sign place value is 0 o'clock; Can confirm that this buffer zone is in addressable state, and be 1 o'clock, can confirm that this buffer zone is in the disable access state at the Lock of this buffer zone zone bit.Be merely for example, according to actual setting, the Lock sign place value that also can be set at buffer zone is 1 o'clock, can confirm that this buffer zone is in addressable state here, and is 0 o'clock at the Lock of buffer zone zone bit, can confirm that this buffer zone is in the disable access state.
In the embodiment of the invention, judge the access type of at least two buffer zones that are provided with in the portable terminal successively, when specifically realizing; To arbitrary buffer zone; Can be to judge whether the second preset zone bit of this buffer zone is preset value, if the access type of confirming this buffer zone is a write operation; Otherwise the access type of confirming this buffer zone is read operation.
For example; Access type zone bit of each buffer zone relative set; To arbitrary buffer zone, be 0 o'clock in the access type sign place value of this buffer zone, the access type that can confirm this buffer zone is read operation; And be 1 o'clock at the access type zone bit of this buffer zone, the access type that can confirm this buffer zone is a write operation.Be merely for example here; According to actual setting, the access type sign place value that also can be set at buffer zone is 1 o'clock, and the access type that can confirm this buffer zone is read operation; And be 0 o'clock in the access type sign place value of buffer zone, the access type that can confirm this buffer zone is a write operation.
Step 102: to arbitrary buffer zone; When definite this buffer zone is addressable state, and when confirming that further the current access type of this buffer zone is write operation, in this buffer zone, write data to be shown; After this write operation is accomplished, the access type of this buffer zone is revised as read operation.
In a preferable realization; Before in buffer zone, writing data to be shown; At first this buffer zone is made as the disable access state, in this buffer zone, writes data to be shown again, and when the specified data write operation finishes; After the access type of this buffer zone is revised as read operation, this buffer zone is made as addressable state.
Particularly, comprising two buffer zones with portable terminal is example, need be when the buffer zone that is used for showing writes data in the application system of portable terminal; Judge at first whether first buffer zone is addressable state, when first buffer zone is addressable state, judge further whether the access type of first buffer zone is write operation; If; Then first buffer zone is made as the disable access state, in first buffer zone, writes data again, and when write operation finishes; The access type of first buffer zone is revised as read operation, withdraws from first buffer zone after again first buffer zone being made as addressable state.
When the application system of supposing portable terminal need write data in buffer zone; Confirm that first buffer zone is the disable access state; The drive part that then shows portable terminal is reading the data in first buffer zone, then directly withdraws from first buffer zone, continues to judge whether second buffer zone is addressable state; And when second buffer zone is addressable state, further judge the access type of second buffer zone.
When the application system of supposing portable terminal again need write data in buffer zone, be addressable state at definite first buffer zone, when further judging the access type of first buffer zone; The access type of confirming first buffer zone is read operation; Show that then first buffer zone has write data, and the drive part of portable terminal also do not read the data that write in first buffer area and show, then can not in first buffer zone, write data; Directly withdraw from first buffer zone; Continue to judge whether second buffer zone is addressable state, and when second buffer zone is addressable state, further judge the access type of second buffer zone.
Step 103: to arbitrary buffer zone; When definite this buffer zone is addressable state, and when confirming that further the current access type of this buffer zone is read operation, the data that read in this buffer zone show; After this read operation is accomplished, the access type of this buffer zone is revised as write operation.
In a preferable realization, confirm that buffer zone is addressable state, and the access type of further confirming this buffer zone before the data in reading this buffer zone show, at first is made as the disable access state with this buffer zone when being read operation; And after definite read operation finishes, the access type of this buffer zone is revised as write operation after, this buffer zone is made as addressable state.
Particularly, comprising two buffer zones with portable terminal is example, when the drive part of portable terminal need read the data of the buffer zone that is used for showing; Judge at first whether first buffer zone is addressable state, when first buffer zone is addressable state, judge further whether the access type of first buffer zone is read operation; If; Then first buffer zone is made as the disable access state, the data that read again in first buffer zone show, and when read operation finishes; The access type of first buffer zone is revised as write operation, and withdraws from first buffer zone after first buffer zone is made as addressable state.
When the drive part of supposing portable terminal need read the data in the buffer zone; Confirm that first buffer zone is the disable access state; The application system that then shows portable terminal is writing data to be shown in first buffer zone, then directly withdraw from first buffer zone, continues to judge whether second buffer zone is addressable state; And when second buffer zone is addressable state, further judge the access type of second buffer zone.
When the drive part of supposing portable terminal again need read the data in the buffer zone; At definite first buffer zone is addressable state, and when further judging the access type of first buffer zone, the access type of confirming first buffer zone is a write operation; Show that then the data that drive part has read in first buffer zone show; Can not read the data in first buffer zone once more, directly withdraw from first buffer zone, continue to judge whether second buffer zone is addressable state; And when second buffer zone is addressable state, further judge the access type of second buffer zone.
Identical with the principle that two buffer zones are set in the portable terminal; For the situation that plural buffer zone is set in the portable terminal; Only need to judge the Access status and the access type of each buffer zone according to preset order; And carry out writing with read operation of data according to Access status of confirming and access type and get final product, its processing that is directed against each buffer zone is identical with said method.
Based on above-mentioned principle, shown in accompanying drawing 2, in the embodiment of the invention, a kind of buffer processing device that is used for mobile terminal displays is provided also, mainly comprise following processing unit:
First processing unit 201: the Access status and the access type of at least two buffer zones that are used for judging that successively portable terminal is provided with;
Second processing unit 202: be used for to arbitrary buffer zone; When definite this buffer zone is addressable state; And when confirming that further the current access type of this buffer zone is write operation; In this buffer zone, write data to be shown, after this write operation is accomplished, the access type of this buffer zone is revised as read operation;
The 3rd processing unit 203: be used for when confirming that buffer zone is addressable state; And when confirming that further the current access type of this buffer zone is read operation; The data that read in this buffer zone show, after this read operation is accomplished, the access type of this buffer zone are revised as write operation.
Wherein, second processing unit also is used for before buffer zone writes data to be shown, this buffer zone being made as the disable access state; And after the access type with this buffer zone is revised as read operation, this buffer zone is made as addressable state.
Wherein, before the data that the 3rd processing unit also is used for reading buffer zone show, this buffer zone is made as the disable access state; And be revised as write operation in access type with this buffer zone, this buffer zone is made as addressable state.
Wherein, first processing unit specifically is used for to arbitrary buffer zone, judges whether the first preset zone bit of this buffer zone is preset value, if confirm that then this buffer zone is in addressable state; Otherwise, confirm that this buffer zone is in the disable access state.
Wherein, first processing unit specifically is used for to arbitrary buffer zone, judges whether the second preset zone bit of this buffer zone is preset value, if the access type of confirming this buffer zone is a write operation; Otherwise the access type of confirming this buffer zone is read operation.
Based on technique scheme, in the embodiment of the invention, at least two buffer zones that are used to show are set in portable terminal; Through Access status and the access type of judging at least two buffer zones that are provided with in the portable terminal successively, and to arbitrary buffer zone, be that addressable state and definite current access type are when being write operation at definite this buffer zone; In this buffer zone, write data to be shown; After this write operation is accomplished, the access type of this buffer zone is revised as read operation, and is that addressable state and definite current access type are when being read operation at definite this buffer zone; The data that read in this buffer zone show; After this read operation is accomplished, the access type of this buffer zone is revised as write operation, thereby only can carries out read operation or write operation at one time same buffer zone; Avoided because simultaneously same buffer zone to be carried out the speed of read operation and write operation inconsistent; And what cause showing is not same frame data, thus effectively prevented since once show be not same frame data cause tear the screen phenomenon, improved display effect.
In the embodiment of the invention, confirm the size of each buffer zone according to the resolution of LCD, fixing buffer size provides maximized utilization for the limited storer in space.After distributing the buffer zone of fixed size; The remainder of storer can maximizedly be distributed to other process and use; And the size of each buffer zone just in time is the size of a frame picture; So when carrying out read or write, must be that buffer zone is carried out disposable operation to a buffer zone.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a method for caching and processing that is used for mobile terminal displays is characterized in that, comprising:
Judge the Access status and the access type of at least two buffer zones that are provided with in the portable terminal successively;
To arbitrary buffer zone; When definite said buffer zone is addressable state, and when confirming that further the current access type of said buffer zone is write operation, in said buffer zone, write data to be shown; After this write operation is accomplished, the access type of said buffer zone is revised as read operation;
When definite said buffer zone is addressable state; And when confirming that further the current access type of said buffer zone is read operation; The data that read in the said buffer zone show, after this read operation is accomplished, the access type of said buffer zone are revised as write operation.
2. the method for claim 1 is characterized in that, in said buffer zone, write data to be shown before, also comprise: said buffer zone is made as the disable access state;
After the access type of said buffer zone is revised as read operation, also comprise: said buffer zone is made as addressable state.
3. the method for claim 1 is characterized in that, before reading data in the said buffer zone and showing, also comprises: said buffer zone is made as the disable access state;
After the access type of said buffer zone is revised as write operation, also comprise: said buffer zone is made as addressable state.
4. like claim 1,2 or 3 described methods, it is characterized in that, judge the Access status of at least two buffer zones that are provided with in the portable terminal successively, comprising:
To arbitrary buffer zone, judge whether the first preset zone bit of said buffer zone is preset value, if confirm that then said buffer zone is in addressable state;
Otherwise, confirm that said buffer zone is in the disable access state.
5. like claim 1,2 or 3 described methods, it is characterized in that, judge the access type of at least two buffer zones that are provided with in the portable terminal successively, comprising:
To arbitrary buffer zone, judge whether the second preset zone bit of said buffer zone is preset value, if the access type of confirming said buffer zone is a write operation;
Otherwise the access type of confirming said buffer zone is read operation.
6. a buffer processing device that is used for mobile terminal displays is characterized in that, comprising:
First processing unit, the Access status and the access type of at least two buffer zones that are used for judging that successively portable terminal is provided with;
Second processing unit; Be used for to arbitrary buffer zone; When definite said buffer zone is addressable state, and when confirming that further the current access type of said buffer zone is write operation, in said buffer zone, write data to be shown; After this write operation is accomplished, the access type of said buffer zone is revised as read operation;
The 3rd processing unit; Be used for when confirming that said buffer zone be addressable state, and when confirming that further the current access type of said buffer zone is read operation, the data that read in the said buffer zone show; After this read operation is accomplished, the access type of said buffer zone is revised as write operation.
7. device as claimed in claim 6 is characterized in that, said second processing unit also is used for before said buffer zone writes data to be shown, said buffer zone being made as the disable access state;
Said second processing unit also is used for access type with said buffer zone be revised as read operation after, said buffer zone is made as addressable state.
8. device as claimed in claim 6 is characterized in that, before the data that said the 3rd processing unit also is used for reading said buffer zone show, said buffer zone is made as the disable access state;
Said the 3rd processing unit also is used for access type with said buffer zone be revised as write operation after, said buffer zone is made as addressable state.
9. like claim 6,7 or 8 described devices; It is characterized in that said first processing unit specifically is used for to arbitrary buffer zone, judge whether the first preset zone bit of said buffer zone is preset value; If confirm that then said buffer zone is in addressable state; Otherwise, confirm that said buffer zone is in the disable access state.
10. like claim 6,7 or 8 described devices; It is characterized in that said first processing unit specifically is used for to arbitrary buffer zone, judge whether the second preset zone bit of said buffer zone is preset value; If the access type of confirming said buffer zone is a write operation; Otherwise the access type of confirming said buffer zone is read operation.
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| CN201210112749.6A CN102663989B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing showing for mobile terminal and device |
| CN201610652368.5A CN106251832B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing and device shown for mobile terminal |
| CN201610652376.XA CN106293585B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing and device shown for mobile terminal |
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| CN201210112749.6A CN102663989B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing showing for mobile terminal and device |
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| CN201610652368.5A Division CN106251832B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing and device shown for mobile terminal |
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| CN105812884A (en) * | 2016-03-02 | 2016-07-27 | 深圳市茁壮网络股份有限公司 | Page switching method, apparatus and set top box |
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| CN106251832B (en) * | 2012-04-17 | 2019-02-26 | 青岛海信移动通信技术股份有限公司 | A kind of method for caching and processing and device shown for mobile terminal |
| CN113132261B (en) * | 2019-12-31 | 2023-01-03 | 北京金山云网络技术有限公司 | Traffic data packet classification method and device and electronic equipment |
| CN111343404B (en) * | 2020-02-19 | 2022-05-24 | 精微视达医疗科技(三亚)有限公司 | Imaging data processing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104038806A (en) * | 2014-06-11 | 2014-09-10 | 深圳市九洲电器有限公司 | Application interface display method and set top box |
| CN104038806B (en) * | 2014-06-11 | 2017-09-29 | 深圳市九洲电器有限公司 | A kind of application interface display methods and set top box |
| CN105812884A (en) * | 2016-03-02 | 2016-07-27 | 深圳市茁壮网络股份有限公司 | Page switching method, apparatus and set top box |
| CN105812884B (en) * | 2016-03-02 | 2019-03-29 | 深圳市茁壮网络股份有限公司 | A kind of page switching method, device and set-top box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106293585A (en) | 2017-01-04 |
| CN102663989B (en) | 2016-11-09 |
| CN106251832B (en) | 2019-02-26 |
| CN106293585B (en) | 2019-06-28 |
| CN106251832A (en) | 2016-12-21 |
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