CN106293585B - A kind of method for caching and processing and device shown for mobile terminal - Google Patents
A kind of method for caching and processing and device shown for mobile terminal Download PDFInfo
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- CN106293585B CN106293585B CN201610652376.XA CN201610652376A CN106293585B CN 106293585 B CN106293585 B CN 106293585B CN 201610652376 A CN201610652376 A CN 201610652376A CN 106293585 B CN106293585 B CN 106293585B
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- buffer area
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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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- 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
Abstract
The method for caching and processing and device that the invention discloses a kind of to show for mobile terminal, the case where with what is shown when showing a screen data to avoid terminal not being same frame data appearance, it prevents from due to what is once shown not being to tear screen phenomenon caused by same frame data, improves display effect.This method are as follows: successively judge the access state and access type of at least two buffer areas being arranged in mobile terminal；For any buffer area, when determining that the buffer area is accessiable state, and further determining that the current access type in the buffer area is write operation, data to be shown are written in the buffer area Xiang Suoshu, after the completion of this write operation, the access type of the buffer area is revised as read operation；When determine the buffer area be accessiable state, and when further determining that the current access type in the buffer area is read operation, the data read in the buffer area are shown, after the completion of this read operation, the access type of the buffer area is revised as write operation.
Description
The application is entitled " a kind of caching process shown for mobile terminal proposed on April 17th, 2012
The divisional application of the Chinese invention patent application 201210112749.6 of method and device ".
Technical field
The present invention relates to terminal field of display technology more particularly to a kind of method for caching and processing shown for mobile terminal
And device.
Background technique
The display system of mobile terminal device (such as mobile phone) is an important component part, and the quality of display effect is directly
Determine that the superiority and inferiority of mobile terminal device, the display system of host (host) can finally show data in liquid crystal display
On (Liquid Crystal Display, LCD), the middle transition of buffer area (buffer) is needed.That is the upper layer of mobile terminal
Application system will be needed first in data to be shown write-in buffer, when being shown, the drive part of mobile terminal from
Data are obtained in buffer and are shown on LCD.
Existing mobile terminal display system mostly uses the aobvious of rgb interface (interface for dividing Red Green Blue to input)
Display screen is necessarily required to one piece of the setting in the dynamic random memory block (such as DDR) of host when using the display screen of rgb interface
Storage region is as buffer, under normal circumstances, only set a region buffer, mobile terminal application system part and
In the case where drive part time-sharing operation, read operation and write operation to the region buffer will not be clashed, i.e., same
Time only carries out read operation or write operation to the region buffer, without carrying out two kinds of operations simultaneously.But in mobile terminal
Application system part and drive part when independently being operated to buffer, i.e., read operation buffer carried out, with
The buffer write operation carried out is independently carried out, two kinds of operations can be carried out to buffer simultaneously, this is possible to go out
It is now inconsistent to the rate of the read operation of buffer and the rate that carries out write operation to it.
Under normal circumstances, the storage size of a buffer is a frame data size, as mobile terminal display screen
Storage size shared by one whole screen data of upper display.It is independently right in the application system part of mobile terminal and drive part
When buffer is operated, if the rate for carrying out write operation to buffer is identical as the rate for carrying out read operation to it, show
Show normal.If the application system part of mobile terminal sends the rate of data to buffer (i.e. to the speed of buffer write-in data
Rate) it is greater than the rate (rate of read operation is carried out to buffer) that drive part obtains data, this results in drive part also
The data of current display frame are not taken, the data in buffer have also been employed that the new data cover that components of system as directed is sent,
A part is the data of current display frame in the data shown so as to cause LCD, and a part is the data of next frame to be shown, i.e.,
Cause that display screen shows is not same frame data, occurs tearing screen phenomenon；Equally, if the application system part of mobile terminal to
The rate that buffer sends data is less than the rate that drive part obtains data, and application system part is not also by current display frame
Data have been sent, i.e., the data of previous display frame are not completely covered also, and drive part reads the data in entire buffer
Take it is complete, so as to cause LCD display a part be current display frame data, another part be it is previous display frame number
According to display is not same picture, occurs tearing screen phenomenon.
Summary of the invention
The present invention provides a kind of method for caching and processing and device shown for mobile terminal, shows one with to avoid terminal
The case where what is shown when shielding data is not same frame data appearance prevents from not being same frame data and being caused due to what is once shown
Tear screen phenomenon, improve display effect.
Specific technical solution provided in an embodiment of the present invention is as follows:
A kind of method for caching and processing shown for mobile terminal, comprising:
Successively judge the access state and access type of at least two buffer areas being arranged in mobile terminal；
For any buffer area, when determining that the buffer area is accessiable state, and further determine that the buffer area is worked as
When preceding access type is write operation, data to be shown are written in the buffer area Xiang Suoshu, after the completion of this write operation, by institute
The access type for stating buffer area is revised as read operation；
When determine the buffer area be accessiable state, and further determine that the current access type in the buffer area for read
When operation, the data read in the buffer area are shown, after the completion of this read operation, by the access class of the buffer area
Type is revised as write operation.
A kind of buffer processing device shown for mobile terminal, comprising:
First processing units, the access state and visit of at least two buffer areas for successively judging to be arranged in mobile terminal
Ask type；
The second processing unit, for be directed to any buffer area, when determine the buffer area be accessiable state, and further
When determining that the current access type in the buffer area is write operation, data to be shown are written in the buffer area Xiang Suoshu, when this
After the completion of write operation, the access type of the buffer area is revised as read operation；
Third processing unit for being accessiable state when the determining buffer area, and further determines that the buffer area
When current access type is read operation, the data read in the buffer area are shown, will after the completion of this read operation
The access type of the buffer area is revised as write operation.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, at least two are arranged in the terminal for the slow of display
Area is rushed, by the access state and access type of at least two buffer areas for successively judging to be arranged in mobile terminal, and is directed to
Any buffer area, when determining that the buffer area is accessiable state and determines that current access type is write operation, to the buffering
Data to be shown are written in area, after the completion of this write operation, the access type of the buffer area is revised as read operation, and
When determining that the buffer area is accessiable state and determines that current access type is read operation, read data in the buffer area into
Row display, after the completion of this read operation, is revised as write operation for the access type of the buffer area, to be only capable of in the same time
It is enough that read operation or write operation are carried out to same buffer area, it avoids due to carrying out read operation and write operation to same buffer area simultaneously
Rate it is inconsistent, and cause display be not same frame data, to effectively prevent due to what is once shown not being same
Screen phenomenon is torn caused by frame data, improves display effect.
Detailed description of the invention
Fig. 1 is the method flow diagram of the caching process shown in the embodiment of the present invention for mobile terminal；
Fig. 2 is the buffer processing device structural schematic diagram shown in the embodiment of the present invention for mobile terminal.
Specific embodiment
The case where in order to effectively avoid that terminal shows when showing a screen data not being same frame data appearance, prevent due to
What is once shown is not that screen phenomenon is torn caused by same frame data, improves display effect, the embodiment of the invention provides one kind
The method for caching and processing and device shown for mobile terminal.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
In following embodiment, the storage size of a buffer area is a frame data size, and as mobile terminal is shown
Storage size shared by the whole screen data of screen display one.
As shown in Fig. 1, in the embodiment of the present invention, the method detailed process of the caching process shown for mobile terminal is such as
Under:
Step 101: successively judging the access state and access type of at least two buffer areas being arranged in mobile terminal.
At least two buffer areas are provided in the embodiment of the present invention, in mobile terminal, i.e., in mobile terminal comprising two or
Buffer area of the two or more for display.
In the embodiment of the present invention, successively judges the access state of at least two buffer areas being arranged in mobile terminal, having
When body is realized, for any buffer area, judge whether preset first flag bit is preset value in the buffer area, if so, really
The fixed buffer area is in accessiable state, otherwise, it determines the buffer area, which is in, forbids access state.Wherein, it is in buffer area
When forbidding access state, read operation or write operation can not be carried out to the buffer area.
For example, a Lock flag bit is accordingly arranged in each buffer area, the Lock for any buffer area, in the buffer area
When indicating that place value is 0, it may be determined that the buffer area is in accessiable state, and when the Lock flag bit of the buffer area is 1, it can be true
The fixed buffer area, which is in, forbids access state.It is only for example, according to actual setting, may be set to be in buffer area herein
When Lock indicates that place value is 1, it may be determined that the buffer area is in accessiable state, and when the Lock flag bit of buffer area is 0, it can
It determines that the buffer area is in and forbids access state.
In the embodiment of the present invention, the access type of at least two buffer areas being arranged in mobile terminal is successively judged, specifically
When realization, for any buffer area, it can be and judge whether preset second flag bit in the buffer area is preset value, if so, really
The access type of the fixed buffer area is write operation, otherwise, it determines the access type of the buffer area is read operation.
For example, an access type flag bit is accordingly arranged in each buffer area, for any buffer area, in the buffer area
When access type mark place value is 0, it may be determined that the access type of the buffer area is read operation, and the access type in the buffer area
When flag bit is 1, it may be determined that the access type of the buffer area is write operation.It is only for example herein, it, can also be with according to actual setting
When the access type mark place value for being set as in buffer area is 1, it may be determined that the access type of the buffer area is read operation, and slow
When the access type mark place value for rushing area is 0, it may be determined that the access type of the buffer area is write operation.
Step 102: being directed to any buffer area, when determining that the buffer area is accessiable state, and further determine that the buffering
When the current access type in area is write operation, data to be shown are written into the buffer area, it, will after the completion of this write operation
The access type of the buffer area is revised as read operation.
In preferably realizing at one, before data to be shown are written into buffer area, first the buffer area is set as prohibiting
Only access state, then data to be shown are written into the buffer area, and at the end of determining data write operation, by the buffer area
Access type be revised as read operation after, which is set as accessiable state.
Specifically, it by taking mobile terminal includes two buffer areas as an example, needs in the application system of mobile terminal to for showing
When data being written in the buffer area shown, first determine whether first buffering area is accessiable state, is that can visit in first buffering area
When asking state, further judge whether the access type of first buffering area is write operation, if so, first buffering area is set as prohibiting
Only access state, then data are written into first buffering area, and at the end of write operation, the access type of first buffering area is repaired
It is changed to read operation, then first buffering area is set as accessiable state backed off after random first buffering area.
Assuming that determining that first buffering area is to forbid visiting when the application system of mobile terminal needs that data are written into buffer area
It asks state, then shows that the drive part of mobile terminal is reading the data in first buffering area, then directly exit the first buffering
Area continues to judge whether second buffering area is accessiable state, and when second buffering area is accessiable state, further judges
The access type of second buffering area.
Again assume mobile terminal application system need into buffer area be written data when, determine first buffering area be can
Access state when further judging the access type of first buffering area, determines that the access type of first buffering area is read operation, then
Show that first buffering area has been written into data, and the data being written in also unread first buffer area of the drive part of mobile terminal
It is shown, then data cannot be written into first buffering area, directly exit first buffering area, continue to judge that second buffering area is
No is accessiable state, and when second buffering area is accessiable state, further judges the access type of second buffering area.
Step 103: being directed to any buffer area, when determining that the buffer area is accessiable state, and further determine that the buffering
When the current access type in area is read operation, the data read in the buffer area are shown, will after the completion of this read operation
The access type of the buffer area is revised as write operation.
In preferably realizing at one, determine that buffer area is accessiable state, and further determine that the access of the buffer area
When type is read operation, before reading the data in the buffer area and being shown, first the buffer area is set as forbidding accessing shape
State；And after determining read operation, after the access type of the buffer area is revised as write operation, which is set as to visit
Ask state.
Specifically, by taking mobile terminal includes two buffer areas as an example, reading is needed to be used in the drive part of mobile terminal
When data in the buffer area of display, first determine whether first buffering area is accessiable state, is that can visit in first buffering area
When asking state, further judge whether the access type of first buffering area is read operation, if so, first buffering area is set as prohibiting
Only access state, then the data read in first buffering area are shown, and at the end of read operation, by the visit of first buffering area
It asks that type is revised as write operation, and first buffering area is set as accessiable state backed off after random first buffering area.
Assuming that determining that first buffering area is to forbid visiting when the drive part of mobile terminal needs to read the data in buffer area
It asks state, then shows that data to be shown are written in the application system of mobile terminal into first buffering area, then directly exit
First buffering area continues to judge whether second buffering area is accessiable state, and when second buffering area is accessiable state, into
One step judges the access type of second buffering area.
The drive part of mobile terminal when needing to read the data in buffer area is assumed again, it can determining that first buffering area is
Access state when further judging the access type of first buffering area, determines that the access type of first buffering area is write operation, then
Show that drive part has read the data in first buffering area and shown, the number in first buffering area cannot be read again
According to, directly exit first buffering area, continue to judge whether second buffering area is accessiable state, and second buffering area be can visit
When asking state, the access type of second buffering area is further judged.
It is identical as the principle of two buffer areas is arranged in mobile terminal, for more than two bufferings are arranged in mobile terminal
The case where area, need to only judge the access state and access type of each buffer area according to preset sequence, and according to determining visit
Ask that state and access type carry out write-in and the read operation of data, processing and the above method for each buffer area
It is identical.
Based on the above principles, as shown in Fig. 2, it in the embodiment of the present invention, additionally provides one kind and is shown for mobile terminal
Buffer processing device, mainly include following processing unit:
First processing units 201: the access state of at least two buffer areas for successively judging to be arranged in mobile terminal
And access type；
The second processing unit 202: for being directed to any buffer area, when determining that the buffer area is accessiable state, and into one
When step determines that the current access type in the buffer area is write operation, data to be shown are written into the buffer area, when this is write
After the completion of operation, the access type of the buffer area is revised as read operation；
Third processing unit 203: for being accessiable state when determining buffer area, and further determine that the buffer area is current
Access type be read operation when, the data read in the buffer area are shown, after the completion of this read operation, by the buffering
The access type in area is revised as write operation.
Wherein, before the second processing unit is also used to that data to be shown are written into buffer area, which is set as prohibiting
Only access state；And after the access type of the buffer area is revised as read operation, which is set as accessiable state.
Wherein, before the data that third processing unit is also used to read in buffer area are shown, which is set as prohibiting
Only access state；And the access type of the buffer area is being revised as write operation, which is set as accessiable state.
Wherein, first processing units are specifically used for being directed to any buffer area, judge preset first flag bit in the buffer area
It whether is preset value, if so, determining that the buffer area is in accessiable state；Forbid accessing otherwise, it determines the buffer area is in
State.
Wherein, first processing units are specifically used for being directed to any buffer area, judge preset second flag bit in the buffer area
It whether is preset value, if so, determining that the access type of the buffer area is write operation；Otherwise, it determines the access type of the buffer area
For read operation.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, at least two are arranged in the terminal for the slow of display
Area is rushed, by the access state and access type of at least two buffer areas for successively judging to be arranged in mobile terminal, and is directed to
Any buffer area, when determining that the buffer area is accessiable state and determines that current access type is write operation, to the buffering
Data to be shown are written in area, after the completion of this write operation, the access type of the buffer area is revised as read operation, and
When determining that the buffer area is accessiable state and determines that current access type is read operation, read data in the buffer area into
Row display, after the completion of this read operation, is revised as write operation for the access type of the buffer area, to be only capable of in the same time
It is enough that read operation or write operation are carried out to same buffer area, it avoids due to carrying out read operation and write operation to same buffer area simultaneously
Rate it is inconsistent, and cause display be not same frame data, to effectively prevent due to what is once shown not being same
Screen phenomenon is torn caused by frame data, improves display effect.
In the embodiment of the present invention, determine that the size of each buffer area, fixed buffer size are given according to the resolution ratio of LCD
The limited memory in space provides maximized utilization.After distributing the buffer area of fixed size, its remaining part of memory
Other processes can maximumlly be distributed to by, which dividing, uses, and the size of each buffer area is exactly the size of a frame picture, institute
When carrying out read or write for a buffer area, necessarily buffer area is disposably operated.
Obviously, various changes and modifications can be made to the invention without departing from this hair by those skilled in the art
Bright spirit and scope.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its
Within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of method for caching and processing shown for mobile terminal characterized by comprising
Judge the access state and access type in mobile terminal for the buffer area of display, the number at least two
It is a；
If the buffer area is accessiable state, and when the current access type in the buffer area is write operation, by the buffering
Area is set as forbidding access state, and data to be shown are written in the buffer area Xiang Suoshu, will be described slow after the completion of this write operation
The access type for rushing area is revised as read operation；
If the buffer area is accessiable state, and when the current access type in the buffer area is read operation, by the buffering
Area is set as forbidding access state, reads the data in the buffer area, after the completion of this read operation, by the visit of the buffer area
Ask that type is revised as write operation.
2. the method as described in claim 1, which is characterized in that after the access type of the buffer area is revised as read operation,
Further include: the buffer area is set as accessiable state.
3. the method as described in claim 1, which is characterized in that after the access type of the buffer area is revised as write operation,
Further include: the buffer area is set as accessiable state.
4. method as claimed in claim 1,2 or 3, which is characterized in that judge in mobile terminal for the buffer area of display
Access state, comprising:
Judge whether preset first flag bit in the buffer area is preset value,
If so, determining that the buffer area is in accessiable state；
Otherwise, it determines the buffer area, which is in, forbids access state.
5. method as claimed in claim 1,2 or 3, which is characterized in that judge in mobile terminal for the buffer area of display
Access type, comprising:
Judge whether preset second flag bit in the buffer area is preset value,
If so, determining that the access type of the buffer area is write operation；
Otherwise, it determines the access type of the buffer area is read operation.
6. a kind of buffer processing device shown for mobile terminal characterized by comprising
First processing units, it is described for judging access state and access type in mobile terminal for the buffer area of display
Number at least two；
The second processing unit, if being accessiable state for the buffer area, and the current access type in the buffer area is to write
When operation, the buffer area is set as to forbid access state, data to be shown are written in the buffer area Xiang Suoshu, when this writes behaviour
After the completion of work, the access type of the buffer area is revised as read operation；
Third processing unit, if being accessiable state for the buffer area, and the current access type in the buffer area is to read
It when operation, is set as the buffer area to forbid access state, reads the data in the buffer area, when this read operation is completed
Afterwards, the access type of the buffer area is revised as write operation.
7. device as claimed in claim 6, which is characterized in that described the second processing unit is also used to the visit of the buffer area
After asking that type is revised as read operation, the buffer area is set as accessiable state.
8. device as claimed in claim 6, which is characterized in that the third processing unit is also used to the visit of the buffer area
After asking that type is revised as write operation, the buffer area is set as accessiable state.
9. the device as described in claim 6,7 or 8, which is characterized in that the first processing units are specifically used for described in judgement
Whether preset first flag bit in buffer area is preset value, if so, determining that the buffer area is in accessiable state；Otherwise,
It determines that the buffer area is in and forbids access state.
10. the device as described in claim 6,7 or 8, which is characterized in that the first processing units are specifically used for described in judgement
Whether preset second flag bit in buffer area is preset value, if so, determining that the access type of the buffer area is write operation；It is no
Then, the access type for determining the buffer area is read operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652376.XA CN106293585B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing and device shown for mobile terminal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112749.6A CN102663989B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing showing for mobile terminal and device |
| 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 Division 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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| CN106293585A CN106293585A (en) | 2017-01-04 |
| CN106293585B true CN106293585B (en) | 2019-06-28 |
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| CN201610652368.5A Active CN106251832B (en) | 2012-04-17 | 2012-04-17 | A kind of method for caching and processing and device shown for mobile terminal |
| CN201610652376.XA Active 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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| CN102663989B (en) * | 2012-04-17 | 2016-11-09 | 青岛海信移动通信技术股份有限公司 | A kind of method for caching and processing showing for mobile terminal and device |
| 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 |
| 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 |
| 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 |
| CN114153416B (en) * | 2021-11-27 | 2024-02-23 | 深圳曦华科技有限公司 | Display control method and related device |
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| Publication number | Publication date |
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| CN106251832A (en) | 2016-12-21 |
| CN106293585A (en) | 2017-01-04 |
| CN102663989A (en) | 2012-09-12 |
| CN106251832B (en) | 2019-02-26 |
| CN102663989B (en) | 2016-11-09 |
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