CN105786422B - Data processing method and electronic equipment - Google Patents
Data processing method and electronic equipment Download PDFInfo
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- CN105786422B CN105786422B CN201410834662.9A CN201410834662A CN105786422B CN 105786422 B CN105786422 B CN 105786422B CN 201410834662 A CN201410834662 A CN 201410834662A CN 105786422 B CN105786422 B CN 105786422B
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Abstract
The invention discloses a kind of data processing method and electronic equipments, the electronic equipment includes display module, the display module can show the first image, the data processing method includes: to judge whether the first image is that n-th continuously displays when showing the first image using the display module；When the first image continuously displays for n-th, the first image is pre-processed, obtains the parameter information of the first image；When the first image is the N+1 times display, the first image is compressed according to obtained parameter information, and obtained compression image is stored to memory；When the first image is the N+2 times display, the compression image is obtained from the memory, and the compression image is unziped it and exported the image after decompression to the display module and is shown.
Description
Technical field
The present invention relates to data processing technique more particularly to a kind of data processing method and electronic equipments.
Background technique
Existing systems-on-a-chip (SOC, System On Chip), such as handled by display module in cell phone processor
Image generally generated together by one or more image layer or video layer aliasing, then, by display interface module will
Image generated is exported to corresponding display equipment and is shown.As it can be seen that display module image data to be treated is more,
It is larger so as to cause the power consumption of needs.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of data processing method and electronic equipment, it can
The bandwidth for effectively saving image data, to reduce the power consumption of electronic equipment.
Data processing method provided in an embodiment of the present invention is applied in electronic equipment, and the electronic equipment includes display mould
Block, the display module can show the first image, and the data processing method includes:
When showing the first image using the display module, judge whether the first image is that n-th continuously displays,
Obtain the first judging result；
When first judging result shows that the first image continuously displays for n-th, to the first image into
Row pretreatment, obtains the parameter information of the first image；
When the first image is the N+1 times display, the first image is pressed according to obtained parameter information
Contracting, and obtained compression image is stored to memory；
When the first image is the N+2 times display, the compression image is obtained from the memory, and to described
Compression image, which unzips it and exports the image after decompression to the display module, to be shown, wherein N >=2.
Electronic equipment provided in an embodiment of the present invention includes display module, and the display module can show the first image,
The electronic equipment further include:
First judging unit, for judging that the first image is when showing the first image using the display module
It is no to be continuously displayed for n-th, obtain the first judging result；
Pretreatment unit, it is right for when first judging result shows that the first image continuously displays for n-th
The first image is pre-processed, and the parameter information of the first image is obtained；
Compression unit, for when the first image is the N+1 times display, according to obtained parameter information to described the
One image is compressed, and obtained compression image is stored to memory；
Acquiring unit, for obtaining the compression from the memory when the first image is the N+2 times display
Image；
Output unit, for being unziped it to the compression image and exporting the image after decompression to described aobvious
Show that module is shown；
Wherein, N >=2.
In the technical solution of the embodiment of the present invention, if the image of display equipment output is constant, i.e., and it is each included by image
Content shown by a image layer does not change, then can save compression of images to external memory, to show the figure again
When picture, output to display equipment is shown after the image compression data of preservation is taken out and decompressed.It so, it is possible to reduce
Data volume required for display module, effectively saves the bandwidth of image data, and then saves the power consumption of electronic equipment.
Detailed description of the invention
Fig. 1 is the flow diagram of the data processing method of the embodiment of the present invention one；
Fig. 2 is the flow diagram of the data processing method of the embodiment of the present invention two；
Fig. 3 is the flow diagram of the data processing method of the embodiment of the present invention three；
Fig. 4 is the flow diagram of the data processing method of the embodiment of the present invention four；
Fig. 5 is the flow diagram of the data processing method of the embodiment of the present invention five；
Fig. 6 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention one；
Fig. 7 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention two；
Fig. 8 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention three；
Fig. 9 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention four；
Figure 10 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention five.
Specific embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, with reference to the accompanying drawing to this hair
The realization of bright embodiment is described in detail, appended attached drawing purposes of discussion only for reference, is not used to limit the embodiment of the present invention.
Image shown in electronic equipment can repeat display many times in many cases, and these images are easy
It is compressed, while compression ratio is also preferable.The embodiment of the present invention shows image for this scene and optimizes, to effectively save
The bandwidth of image data has been saved, and then has saved the power consumption of electronic equipment.
Fig. 1 is the flow diagram of the data processing method of the embodiment of the present invention one, the data processing method in this example
Applied in electronic equipment, the electronic equipment includes display module, and the display module can show the first image, the number
According to processing method the following steps are included:
Step 101: when showing the first image using the display module, judging whether the first image is n-th
It continuously displays, obtains the first judging result.
In the embodiment of the present invention, the electronic equipment can be the electronics such as mobile phone, tablet computer, palm PC, game machine
Equipment, this class of electronic devices have display module, and the display module can show the first image, and here, the first image can be with
It is the image of arbitrary format, a certain frame image being also possible in the video of arbitrary format.
In the embodiment of the present invention, the first image is generated together by the image data aliasing of multiple images layer, therefore, when
When display module shows the first image, need to count the image data of each tomographic image layer using computing module and aliasing module
It calculates and aliasing is handled, to generate the first image.As it can be seen that computing module and the work clock of aliasing module need to open,
Power consumption is larger, and the embodiment of the present invention is not necessarily to carry out image data calculating and aliasing processing for multiple image is continuously displayed,
And then save power consumption.Whether the first image is first determined whether when showing the first image using the display module based on this
It is continuously displayed for n-th, wherein N >=2.For example, working as N=2, judge whether the first image has continuously displayed twice.This step purport
Judging whether the first image is image that continuous several times are shown.
Step 102: when first judging result shows that the first image continuously displays for n-th, to described
One image is pre-processed, and the parameter information of the first image is obtained.
When judging that the first image is the image that continuous several times are shown by step 101, the first image is located in advance
Reason, obtains the parameter information of the first image, i.e. whether the first image is easy compressed information, including compression algorithm and pressure
The information of contracting ratio.
It in a preferred embodiment, can be the N+1 times in the first image when the first image continuously displays for n-th
When repeating to show, the first image is pre-processed, and then obtain the parameter information of the first image.It can also be in the first image
While n times repeat to show, the first image is pre-processed, and then obtain the parameter information of the first image.
Step 103: when the first image is the N+1 times display, according to obtained parameter information to first figure
As being compressed, and obtained compression image is stored to memory.
In the embodiment of the present invention, the parameter information obtained according to step 102 can judge whether the first image is easy quilt
Compression specifically can judge whether the first image is easy to be compressed by judging compression ratio and corresponding compression algorithm, work as pressure
When contracting relatively high, then the first image is easy to be compressed, and when compressing relatively low, then the first image difficulty is compressed.
In the embodiment of the present invention, the is judged when the first image is the N+1 times display, and according to obtained parameter information
When one image is easy to be compressed, the first image is compressed using corresponding compression algorithm further according to obtained parameter information,
And store the compression image that compression obtains into external memory, directly to utilize the pressure when next first image display
Contract drawing picture is shown after unziping it.
In the embodiment of the present invention, the first image is compressed specifically: to every row pixel to be shown of the first image
It is scanned, every row is divided into 4 parts or 2 parts first, then every part is compressed, then compressed data are deposited
It stores up into external memory, such as Double Data Rate synchronous DRAM (DDR, Double Data Rate).
Step 104: when the first image is the N+2 times display, the compression image is obtained from the memory,
And the compression image is unziped it and exports the image after decompression to the display module and is shown.
When obtaining the compression image from the memory, the method also includes: stop to the first image institute
Including the aliasing processing that carries out of each image layer data, and close the corresponding clock of clock aliasing processing.
In the embodiment of the present invention, when the first image is the N+2 times and is shown with last time, the first image original is relevant
Image layer will stop evidence of fetching from the address of each respective external memory space, be simultaneously stopped various related operations, such as mixed
Folded processing, is simultaneously stopped work clock.The display of first image passes through direct memory access (DMA, Direct Memory
Access) module directly reads corresponding compressing image data from the region that external memory space is just written, and is decompressed
Display interface module, such as high-definition multimedia interface (HDMI, High Definition Multimedia are sent to after contracting
Interface), mobile industry processor interface (MIPI, Mobile Industry Processor Interface), finally
It is shown by display.
In the embodiment of the present invention, for judging whether the first image is that n-th is shown or the N+1 times, the N+2 times shows,
It can be judged by following procedure:
1) when each image layer starts display, the corresponding address space of every layer of display is stored in DDR controller；
2) within the time that this frame image is shown, DDR controller will test each write-in DDR and request corresponding address, such as
The address that DDR write request is written in fruit is being shown in corresponding address space, then it represents that the corresponding content of the address space by
It rewrites；If the address that DDR write request is written is not being shown in corresponding address space, then it represents that in the address space is corresponding
Appearance is not written over.The information whether the address space content changes is notified to display module simultaneously；
3) when the second frame starts to show, if display address is constant, and 2) during to obtain display content constant, then table
Show that the content that the second frame is shown and the content that first frame is shown are just the same；
4) third frame address to be shown is transmitted to display module by processor, and display module is also showing the second frame at this time
Content；Whether DDR controller changes in the content for detecting the address space simultaneously, unchanged, and it is aobvious to repeat to indicate image
Show.
The technical solution of the embodiment of the present invention after compression image decompressor directly using being shown, largely without processing
More image layer datas, can save the data volume of display module needs, while save the power consumption of electronic equipment.
Fig. 2 is the flow diagram of the data processing method of the embodiment of the present invention two, the data processing method in this example
Applied in electronic equipment, the electronic equipment includes display module, and the display module can show the first image, the number
According to processing method the following steps are included:
Step 201: when showing the first image using the display module, judging whether the first image is n-th
It continuously displays, obtains the first judging result.
In the embodiment of the present invention, the electronic equipment can be the electronics such as mobile phone, tablet computer, palm PC, game machine
Equipment, this class of electronic devices have display module, and the display module can show the first image, and here, the first image can be with
It is the image of arbitrary format, a certain frame image being also possible in the video of arbitrary format.
In the embodiment of the present invention, the first image is generated together by the image data aliasing of multiple images layer, therefore, when
When display module shows the first image, need to count the image data of each tomographic image layer using computing module and aliasing module
It calculates and aliasing is handled, to generate the first image.As it can be seen that computing module and the work clock of aliasing module need to open,
Power consumption is larger, and the embodiment of the present invention is not necessarily to carry out image data calculating and aliasing processing for multiple image is continuously displayed,
And then save power consumption.Whether the first image is first determined whether when showing the first image using the display module based on this
It is continuously displayed for n-th, wherein N >=2.For example, working as N=2, judge whether the first image has continuously displayed twice.This step purport
Judging whether the first image is image that continuous several times are shown.
Step 202: when first judging result shows that the first image continuously displays for n-th, described in acquisition
Each image layer data included by first image.
Step 203: aliasing processing being carried out to each image layer data, obtains the image data of the first image.
Step 204: described image data being scanned, the parameter information of the first image is obtained.
Wherein, the parameter information includes at least following information: compression algorithm, compression ratio.
When judging that the first image is the image that continuous several times are shown by step 201, the first image is located in advance
Reason, obtains the parameter information of the first image, i.e. whether the first image is easy compressed information, including compression algorithm and pressure
The information of contracting ratio.
It in a preferred embodiment, can be the N+1 times in the first image when the first image continuously displays for n-th
When repeating to show, the first image is pre-processed, and then obtain the parameter information of the first image.It can also be in the first image
While n times repeat to show, the first image is pre-processed, and then obtain the parameter information of the first image.
Step 205: when the first image is the N+1 times display, according to obtained parameter information to first figure
As being compressed, and obtained compression image is stored to memory.
In the embodiment of the present invention, the parameter information obtained according to step 204 can judge whether the first image is easy quilt
Compression specifically can judge whether the first image is easy to be compressed by judging compression ratio and corresponding compression algorithm, work as pressure
When contracting relatively high, then the first image is easy to be compressed, and when compressing relatively low, then the first image difficulty is compressed.
In the embodiment of the present invention, the is judged when the first image is the N+1 times display, and according to obtained parameter information
When one image is easy to be compressed, the first image is compressed using corresponding compression algorithm further according to obtained parameter information,
And store the compression image that compression obtains into external memory, directly to utilize the pressure when next first image display
Contract drawing picture is shown after unziping it.
In the embodiment of the present invention, the first image is compressed specifically: to every row pixel to be shown of the first image
It is scanned, every row is divided into 4 parts or 2 parts first, then every part is compressed, then compressed data are deposited
It stores up into external memory, such as DDR.
Step 206: when the first image is the N+2 times display, the compression image is obtained from the memory,
And the compression image is unziped it and exports the image after decompression to the display module and is shown.
When obtaining the compression image from the memory, the method also includes: stop to the first image institute
Including the aliasing processing that carries out of each image layer data, and close the corresponding clock of clock aliasing processing.
In the embodiment of the present invention, when the first image is the N+2 times and is shown with last time, the first image original is relevant
Image layer will stop evidence of fetching from the address of each respective external memory space, be simultaneously stopped various related operations, such as mixed
Folded processing, is simultaneously stopped work clock.The display of first image passes through dma module from the region that external memory space is just written
Corresponding compressing image data is directly read, and is sent to display interface module, such as HDMI, MIPI after unziping it, most
It is shown afterwards by display.
In the embodiment of the present invention, for judging whether the first image is that n-th is shown or the N+1 times, the N+2 times shows,
It can be judged by following procedure:
1) when each image layer starts display, the corresponding address space of every layer of display is stored in DDR controller；
2) within the time that this frame image is shown, DDR controller will test each write-in DDR and request corresponding address, such as
The address that DDR write request is written in fruit is being shown in corresponding address space, then it represents that the corresponding content of the address space by
It rewrites；If the address that DDR write request is written is not being shown in corresponding address space, then it represents that in the address space is corresponding
Appearance is not written over.The information whether the address space content changes is notified to display module simultaneously；
3) when the second frame starts to show, if display address is constant, and 2) during to obtain display content constant, then table
Show that the content that the second frame is shown and the content that first frame is shown are just the same；
4) third frame address to be shown is transmitted to display module by processor, and display module is also showing the second frame at this time
Content；Whether DDR controller changes in the content for detecting the address space simultaneously, unchanged, and it is aobvious to repeat to indicate image
Show.
The technical solution of the embodiment of the present invention after compression image decompressor directly using being shown, largely without processing
More image layer datas, can save the data volume of display module needs, while save the power consumption of electronic equipment.
Fig. 3 is the flow diagram of the data processing method of the embodiment of the present invention three, the data processing method in this example
Applied in electronic equipment, the electronic equipment includes display module, and the display module can show the first image, the number
According to processing method the following steps are included:
Step 301: when showing the first image using the display module, judging whether the first image is n-th
It continuously displays, obtains the first judging result.
In the embodiment of the present invention, the electronic equipment can be the electronics such as mobile phone, tablet computer, palm PC, game machine
Equipment, this class of electronic devices have display module, and the display module can show the first image, and here, the first image can be with
It is the image of arbitrary format, a certain frame image being also possible in the video of arbitrary format.
In the embodiment of the present invention, the first image is generated together by the image data aliasing of multiple images layer, therefore, when
When display module shows the first image, need to count the image data of each tomographic image layer using computing module and aliasing module
It calculates and aliasing is handled, to generate the first image.As it can be seen that computing module and the work clock of aliasing module need to open,
Power consumption is larger, and the embodiment of the present invention is not necessarily to carry out image data calculating and aliasing processing for multiple image is continuously displayed,
And then save power consumption.Whether the first image is first determined whether when showing the first image using the display module based on this
It is continuously displayed for n-th, wherein N >=2.For example, working as N=2, judge whether the first image has continuously displayed twice.This step purport
Judging whether the first image is image that continuous several times are shown.
Step 302: when first judging result shows that the first image continuously displays for n-th, described in acquisition
Each image layer data included by first image.
Step 303: aliasing processing being carried out to each image layer data, obtains the image data of the first image.
Step 304: described image data being scanned, the parameter information of the first image is obtained.
Wherein, the parameter information includes at least following information: compression algorithm, compression ratio.
When judging that the first image is the image that continuous several times are shown by step 301, the first image is located in advance
Reason, obtains the parameter information of the first image, i.e. whether the first image is easy compressed information, including compression algorithm and pressure
The information of contracting ratio.
It in a preferred embodiment, can be the N+1 times in the first image when the first image continuously displays for n-th
When repeating to show, the first image is pre-processed, and then obtain the parameter information of the first image.It can also be in the first image
While n times repeat to show, the first image is pre-processed, and then obtain the parameter information of the first image.
Step 305: when the first image is the N+1 times display, first figure being judged according to the parameter information
Whether the compression ratio of picture is more than or equal to first threshold, obtains the second judging result.
Step 306: when second judging result shows the compression ratio of the first image more than or equal to first threshold,
The first image is compressed according to the compression ratio corresponding compression algorithm, and obtained compression image is stored to depositing
Reservoir.
In the embodiment of the present invention, the parameter information obtained according to step 304 can judge whether the first image is easy quilt
Compression specifically can judge whether the first image is easy to be compressed by judging compression ratio and corresponding compression algorithm, work as pressure
When contracting relatively high, then the first image is easy to be compressed, and when compressing relatively low, then the first image difficulty is compressed.
In the embodiment of the present invention, the is judged when the first image is the N+1 times display, and according to obtained parameter information
When one image is easy to be compressed, the first image is compressed using corresponding compression algorithm further according to obtained parameter information,
And store the compression image that compression obtains into external memory, directly to utilize the pressure when next first image display
Contract drawing picture is shown after unziping it.
In the embodiment of the present invention, the first image is compressed specifically: to every row pixel to be shown of the first image
It is scanned, every row is divided into 4 parts or 2 parts first, then every part is compressed, then compressed data are deposited
It stores up into external memory, such as DDR.
Step 307: when the first image is the N+2 times display, the compression image is obtained from the memory,
And the compression image is unziped it and exports the image after decompression to the display module and is shown.
When obtaining the compression image from the memory, the method also includes: stop to the first image institute
Including the aliasing processing that carries out of each image layer data, and close the corresponding clock of clock aliasing processing.
In the embodiment of the present invention, when the first image is the N+2 times and is shown with last time, the first image original is relevant
Image layer will stop evidence of fetching from the address of each respective external memory space, be simultaneously stopped various related operations, such as mixed
Folded processing, is simultaneously stopped work clock.The display of first image passes through dma module from the region that external memory space is just written
Corresponding compressing image data is directly read, and is sent to display interface module, such as HDMI, MIPI after unziping it, most
It is shown afterwards by display.
In the embodiment of the present invention, for judging whether the first image is that n-th is shown or the N+1 times, the N+2 times shows,
It can be judged by following procedure:
1) when each image layer starts display, the corresponding address space of every layer of display is stored in DDR controller；
2) within the time that this frame image is shown, DDR controller will test each write-in DDR and request corresponding address, such as
The address that DDR write request is written in fruit is being shown in corresponding address space, then it represents that the corresponding content of the address space by
It rewrites；If the address that DDR write request is written is not being shown in corresponding address space, then it represents that in the address space is corresponding
Appearance is not written over.The information whether the address space content changes is notified to display module simultaneously；
3) when the second frame starts to show, if display address is constant, and 2) during to obtain display content constant, then table
Show that the content that the second frame is shown and the content that first frame is shown are just the same；
4) third frame address to be shown is transmitted to display module by processor, and display module is also showing the second frame at this time
Content；Whether DDR controller changes in the content for detecting the address space simultaneously, unchanged, and it is aobvious to repeat to indicate image
Show.
The technical solution of the embodiment of the present invention after compression image decompressor directly using being shown, largely without processing
More image layer datas, can save the data volume of display module needs, while save the power consumption of electronic equipment.
Fig. 4 is the flow diagram of the data processing method of the embodiment of the present invention four, the data processing method in this example
Applied in electronic equipment, the electronic equipment includes display module, and the display module can show the first image, the number
According to processing method the following steps are included:
Step 401: when showing the first image using the display module, judging whether the first image is n-th
It continuously displays, obtains the first judging result.
In the embodiment of the present invention, the electronic equipment can be the electronics such as mobile phone, tablet computer, palm PC, game machine
Equipment, this class of electronic devices have display module, and the display module can show the first image, and here, the first image can be with
It is the image of arbitrary format, a certain frame image being also possible in the video of arbitrary format.
In the embodiment of the present invention, the first image is generated together by the image data aliasing of multiple images layer, therefore, when
When display module shows the first image, need to count the image data of each tomographic image layer using computing module and aliasing module
It calculates and aliasing is handled, to generate the first image.As it can be seen that computing module and the work clock of aliasing module need to open,
Power consumption is larger, and the embodiment of the present invention is not necessarily to carry out image data calculating and aliasing processing for multiple image is continuously displayed,
And then save power consumption.Whether the first image is first determined whether when showing the first image using the display module based on this
It is continuously displayed for n-th, wherein N >=2.For example, working as N=2, judge whether the first image has continuously displayed twice.This step purport
Judging whether the first image is image that continuous several times are shown.
Step 402: when first judging result shows that the first image continuously displays for n-th, to described
One image is pre-processed, and the parameter information of the first image is obtained.
When judging that the first image is the image that continuous several times are shown by step 401, the first image is located in advance
Reason, obtains the parameter information of the first image, i.e. whether the first image is easy compressed information, including compression algorithm and pressure
The information of contracting ratio.
It in a preferred embodiment, can be the N+1 times in the first image when the first image continuously displays for n-th
When repeating to show, the first image is pre-processed, and then obtain the parameter information of the first image.It can also be in the first image
While n times repeat to show, the first image is pre-processed, and then obtain the parameter information of the first image.
Step 403: when the first image is the N+1 times display, according to obtained parameter information to first figure
As being compressed, and obtained compression image is stored to memory.
In the embodiment of the present invention, the parameter information obtained according to step 402 can judge whether the first image is easy quilt
Compression specifically can judge whether the first image is easy to be compressed by judging compression ratio and corresponding compression algorithm, work as pressure
When contracting relatively high, then the first image is easy to be compressed, and when compressing relatively low, then the first image difficulty is compressed.
In the embodiment of the present invention, the is judged when the first image is the N+1 times display, and according to obtained parameter information
When one image is easy to be compressed, the first image is compressed using corresponding compression algorithm further according to obtained parameter information,
And store the compression image that compression obtains into external memory, directly to utilize the pressure when next first image display
Contract drawing picture is shown after unziping it.
In the embodiment of the present invention, the first image is compressed specifically: to every row pixel to be shown of the first image
It is scanned, every row is divided into 4 parts or 2 parts first, then every part is compressed, then compressed data are deposited
It stores up into external memory, such as DDR.
Step 404: judge the image currently exported whether with the first image as same image, obtain third judgement knot
Fruit.
Step 405: when the third judging result shows the image currently exported and the first image for same image
When, further judge whether the image currently exported is the N+2 times display.
Step 406: when the first image is the N+2 times display, the compression image is obtained from the memory,
And the compression image is unziped it and exports the image after decompression to the display module and is shown.
When obtaining the compression image from the memory, the method also includes: stop to the first image institute
Including the aliasing processing that carries out of each image layer data, and close the corresponding clock of clock aliasing processing.
In the embodiment of the present invention, when the first image is the N+2 times and is shown with last time, the first image original is relevant
Image layer will stop evidence of fetching from the address of each respective external memory space, be simultaneously stopped various related operations, such as mixed
Folded processing, is simultaneously stopped work clock.The display of first image passes through dma module from the region that external memory space is just written
Corresponding compressing image data is directly read, and is sent to display interface module, such as HDMI, MIPI after unziping it, most
It is shown afterwards by display.
In the embodiment of the present invention, for judging whether the first image is that n-th is shown or the N+1 times, the N+2 times shows,
It can be judged by following procedure:
1) when each image layer starts display, the corresponding address space of every layer of display is stored in DDR controller；
2) within the time that this frame image is shown, DDR controller will test each write-in DDR and request corresponding address, such as
The address that DDR write request is written in fruit is being shown in corresponding address space, then it represents that the corresponding content of the address space by
It rewrites；If the address that DDR write request is written is not being shown in corresponding address space, then it represents that in the address space is corresponding
Appearance is not written over.The information whether the address space content changes is notified to display module simultaneously；
3) when the second frame starts to show, if display address is constant, and 2) during to obtain display content constant, then table
Show that the content that the second frame is shown and the content that first frame is shown are just the same；
4) third frame address to be shown is transmitted to display module by processor, and display module is also showing the second frame at this time
Content；Whether DDR controller changes in the content for detecting the address space simultaneously, unchanged, and it is aobvious to repeat to indicate image
Show.
The technical solution of the embodiment of the present invention after compression image decompressor directly using being shown, largely without processing
More image layer datas, can save the data volume of display module needs, while save the power consumption of electronic equipment.
Fig. 5 is the flow diagram of the data processing method of the embodiment of the present invention five, the data processing method in this example
Applied in electronic equipment, the electronic equipment includes display module, and the display module can show the first image, the number
According to processing method the following steps are included:
Step 501: when showing the first image using the display module, judging whether the first image is n-th
It continuously displays, obtains the first judging result.
In the embodiment of the present invention, the electronic equipment can be the electronics such as mobile phone, tablet computer, palm PC, game machine
Equipment, this class of electronic devices have display module, and the display module can show the first image, and here, the first image can be with
It is the image of arbitrary format, a certain frame image being also possible in the video of arbitrary format.
In the embodiment of the present invention, the first image is generated together by the image data aliasing of multiple images layer, therefore, when
When display module shows the first image, need to count the image data of each tomographic image layer using computing module and aliasing module
It calculates and aliasing is handled, to generate the first image.As it can be seen that computing module and the work clock of aliasing module need to open,
Power consumption is larger, and the embodiment of the present invention is not necessarily to carry out image data calculating and aliasing processing for multiple image is continuously displayed,
And then save power consumption.Whether the first image is first determined whether when showing the first image using the display module based on this
It is continuously displayed for n-th, wherein N >=2.For example, working as N=2, judge whether the first image has continuously displayed twice.This step purport
Judging whether the first image is image that continuous several times are shown.
Step 502: when first judging result shows that the first image continuously displays for n-th, to described
One image is pre-processed, and the parameter information of the first image is obtained.
When judging that the first image is the image that continuous several times are shown by step 501, the first image is located in advance
Reason, obtains the parameter information of the first image, i.e. whether the first image is easy compressed information, including compression algorithm and pressure
The information of contracting ratio.
It in a preferred embodiment, can be the N+1 times in the first image when the first image continuously displays for n-th
When repeating to show, the first image is pre-processed, and then obtain the parameter information of the first image.It can also be in the first image
While n times repeat to show, the first image is pre-processed, and then obtain the parameter information of the first image.
Step 503: when the first image is the N+1 times display, according to obtained parameter information to first figure
As being compressed, and obtained compression image is stored to memory.
In the embodiment of the present invention, the parameter information obtained according to step 502 can judge whether the first image is easy quilt
Compression specifically can judge whether the first image is easy to be compressed by judging compression ratio and corresponding compression algorithm, work as pressure
When contracting relatively high, then the first image is easy to be compressed, and when compressing relatively low, then the first image difficulty is compressed.
In the embodiment of the present invention, the is judged when the first image is the N+1 times display, and according to obtained parameter information
When one image is easy to be compressed, the first image is compressed using corresponding compression algorithm further according to obtained parameter information,
And store the compression image that compression obtains into external memory, directly to utilize the pressure when next first image display
Contract drawing picture is shown after unziping it.
In the embodiment of the present invention, the first image is compressed specifically: to every row pixel to be shown of the first image
It is scanned, every row is divided into 4 parts or 2 parts first, then every part is compressed, then compressed data are deposited
It stores up into external memory, such as DDR.
Step 504: for each image layer of the image currently exported, judging corresponding to the display address of described image layer
Display content whether change, obtain the 4th judging result.
Step 505: when the 4th judging result shows that display content corresponding to the display address of described image layer is sent out
When changing, then the image currently exported is different images from the first image.
Here, when the 4th judging result shows that display content corresponding to the display address of described image layer becomes
When change, then the image currently exported is different images from the first image.
Step 506: when the image and the first image currently exported is same image, further judgement is currently exported
Whether image is the N+2 times display.
Step 507: when the first image is the N+2 times display, the compression image is obtained from the memory,
And the compression image is unziped it and exports the image after decompression to the display module and is shown.
When obtaining the compression image from the memory, the method also includes: stop to the first image institute
Including the aliasing processing that carries out of each image layer data, and close the corresponding clock of clock aliasing processing.
In the embodiment of the present invention, when the first image is the N+2 times and is shown with last time, the first image original is relevant
Image layer will stop evidence of fetching from the address of each respective external memory space, be simultaneously stopped various related operations, such as mixed
Folded processing, is simultaneously stopped work clock.The display of first image passes through dma module from the region that external memory space is just written
Corresponding compressing image data is directly read, and is sent to display interface module, such as HDMI, MIPI after unziping it, most
It is shown afterwards by display.
In the embodiment of the present invention, for judging whether the first image is that n-th is shown or the N+1 times, the N+2 times shows,
It can be judged by following procedure:
1) when each image layer starts display, the corresponding address space of every layer of display is stored in DDR controller；
2) within the time that this frame image is shown, DDR controller will test each write-in DDR and request corresponding address, such as
The address that DDR write request is written in fruit is being shown in corresponding address space, then it represents that the corresponding content of the address space by
It rewrites；If the address that DDR write request is written is not being shown in corresponding address space, then it represents that in the address space is corresponding
Appearance is not written over.The information whether the address space content changes is notified to display module simultaneously；
3) when the second frame starts to show, if display address is constant, and 2) during to obtain display content constant, then table
Show that the content that the second frame is shown and the content that first frame is shown are just the same；
4) third frame address to be shown is transmitted to display module by processor, and display module is also showing the second frame at this time
Content；Whether DDR controller changes in the content for detecting the address space simultaneously, unchanged, and it is aobvious to repeat to indicate image
Show.
The technical solution of the embodiment of the present invention after compression image decompressor directly using being shown, largely without processing
More image layer datas, can save the data volume of display module needs, while save the power consumption of electronic equipment.
Fig. 6 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention one, and the electronic equipment includes display mould
Block, the display module can show the first image, the electronic equipment further include:
First judging unit 61, for judging the first image when showing the first image using the display module
Whether it is that n-th continuously displays, obtains the first judging result；
Pretreatment unit 62, for when first judging result shows that the first image continuously displays for n-th,
The first image is pre-processed, the parameter information of the first image is obtained；
Compression unit 63 is used for when the first image is the N+1 times display, according to obtained parameter information to described
First image is compressed, and obtained compression image is stored to memory；
Acquiring unit 64, for obtaining the pressure from the memory when the first image is the N+2 times display
Contract drawing picture；
Output unit 65, for being unziped it to the compression image and exporting the image after decompression to described
Display module is shown；
Wherein, N >=2.
In the embodiment of the present invention, the electronic equipment further include:
Control unit 66, for stopping to the first image when obtaining the compression image from the memory
The aliasing processing that included each image layer data carries out, and close the corresponding clock of clock aliasing processing.
It will be appreciated by those skilled in the art that the realization function of each unit in above-mentioned electronic equipment can refer to aforementioned data
The associated description of processing method and understand.The function of each unit in above-mentioned electronic equipment can be by running on the journey on processor
Sequence and realize, can also be realized by specific logic circuit.
Fig. 7 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention two, and the electronic equipment includes display mould
Block, the display module can show the first image, the electronic equipment further include:
First judging unit 71, for judging the first image when showing the first image using the display module
Whether it is that n-th continuously displays, obtains the first judging result；
Pretreatment unit 72, for when first judging result shows that the first image continuously displays for n-th,
The first image is pre-processed, the parameter information of the first image is obtained；
Compression unit 73 is used for when the first image is the N+1 times display, according to obtained parameter information to described
First image is compressed, and obtained compression image is stored to memory；
Acquiring unit 74, for obtaining the pressure from the memory when the first image is the N+2 times display
Contract drawing picture；
Output unit 75, for being unziped it to the compression image and exporting the image after decompression to described
Display module is shown；
Wherein, N >=2.
In the embodiment of the present invention, the electronic equipment further include:
Control unit 76, for stopping to the first image when obtaining the compression image from the memory
The aliasing processing that included each image layer data carries out, and close the corresponding clock of clock aliasing processing.
Preferably, the pretreatment unit 72 includes:
Subelement 721 is obtained, for obtaining each image layer data included by the first image；
Subelement 722 is handled, for carrying out aliasing processing to each image layer data, obtains the figure of the first image
As data；
It scans subelement 723 and obtains the parameter information of the first image for being scanned to described image data；
Wherein, the parameter information includes at least following information: compression algorithm, compression ratio.
It will be appreciated by those skilled in the art that the realization function of each unit and subelement in above-mentioned electronic equipment can refer to
The associated description of aforementioned data processing method and understand.The function of each unit and subelement in above-mentioned electronic equipment can pass through fortune
Row is realized in the program on processor, can also be realized by specific logic circuit.
Fig. 8 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention three, and the electronic equipment includes display mould
Block, the display module can show the first image, the electronic equipment further include:
First judging unit 81, for judging the first image when showing the first image using the display module
Whether it is that n-th continuously displays, obtains the first judging result；
Pretreatment unit 82, for when first judging result shows that the first image continuously displays for n-th,
The first image is pre-processed, the parameter information of the first image is obtained；
Compression unit 83 is used for when the first image is the N+1 times display, according to obtained parameter information to described
First image is compressed, and obtained compression image is stored to memory；
Acquiring unit 84, for obtaining the pressure from the memory when the first image is the N+2 times display
Contract drawing picture；
Output unit 85, for being unziped it to the compression image and exporting the image after decompression to described
Display module is shown；
Wherein, N >=2.
In the embodiment of the present invention, the electronic equipment further include:
Control unit 86, for stopping to the first image when obtaining the compression image from the memory
The aliasing processing that included each image layer data carries out, and close the corresponding clock of clock aliasing processing.
Preferably, the pretreatment unit 82 includes:
Subelement 821 is obtained, for obtaining each image layer data included by the first image；
Subelement 822 is handled, for carrying out aliasing processing to each image layer data, obtains the figure of the first image
As data；
It scans subelement 823 and obtains the parameter information of the first image for being scanned to described image data；
Wherein, the parameter information includes at least following information: compression algorithm, compression ratio.
Preferably, the compression unit 83 includes:
First judgment sub-unit 831 is used for when the first image is the N+1 times display, according to the parameter information
Judge whether the compression ratio of the first image is more than or equal to first threshold, obtains the second judging result；
Subelement 832 is compressed, for showing that the compression ratio of the first image is more than or equal to when second judging result
When first threshold, the first image is compressed according to the compression ratio corresponding compression algorithm.
It will be appreciated by those skilled in the art that the realization function of each unit and subelement in above-mentioned electronic equipment can refer to
The associated description of aforementioned data processing method and understand.The function of each unit and subelement in above-mentioned electronic equipment can pass through fortune
Row is realized in the program on processor, can also be realized by specific logic circuit.
Fig. 9 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention four, and the electronic equipment includes display mould
Block, the display module can show the first image, the electronic equipment further include:
First judging unit 91, for judging the first image when showing the first image using the display module
Whether it is that n-th continuously displays, obtains the first judging result；
Pretreatment unit 92, for when first judging result shows that the first image continuously displays for n-th,
The first image is pre-processed, the parameter information of the first image is obtained；
Compression unit 93 is used for when the first image is the N+1 times display, according to obtained parameter information to described
First image is compressed, and obtained compression image is stored to memory；
Acquiring unit 94, for obtaining the pressure from the memory when the first image is the N+2 times display
Contract drawing picture；
Output unit 95, for being unziped it to the compression image and exporting the image after decompression to described
Display module is shown；
Wherein, N >=2.
In the embodiment of the present invention, the electronic equipment further include:
Control unit 96, for stopping to the first image when obtaining the compression image from the memory
The aliasing processing that included each image layer data carries out, and close the corresponding clock of clock aliasing processing.
Preferably, the electronic equipment further include:
Second judgment unit 97, whether the image for judging currently to export is same image with the first image, is obtained
To third judging result；
Third judging unit 98, for showing the image currently exported and the first image when the third judging result
When for same image, further judge whether the image currently exported is the N+2 times display.
It will be appreciated by those skilled in the art that the realization function of each unit in above-mentioned electronic equipment can refer to aforementioned data
The associated description of processing method and understand.The function of each unit in above-mentioned electronic equipment can be by running on the journey on processor
Sequence and realize, can also be realized by specific logic circuit.
Figure 10 is the structure composition schematic diagram of the electronic equipment of the embodiment of the present invention five, and the electronic equipment includes display mould
Block, the display module can show the first image, the electronic equipment further include:
First judging unit 11, for judging the first image when showing the first image using the display module
Whether it is that n-th continuously displays, obtains the first judging result；
Pretreatment unit 12, for when first judging result shows that the first image continuously displays for n-th,
The first image is pre-processed, the parameter information of the first image is obtained；
Compression unit 13 is used for when the first image is the N+1 times display, according to obtained parameter information to described
First image is compressed, and obtained compression image is stored to memory；
Acquiring unit 14, for obtaining the pressure from the memory when the first image is the N+2 times display
Contract drawing picture；
Output unit 15, for being unziped it to the compression image and exporting the image after decompression to described
Display module is shown；
Wherein, N >=2.
In the embodiment of the present invention, the electronic equipment further include:
Control unit 16, for stopping to the first image when obtaining the compression image from the memory
The aliasing processing that included each image layer data carries out, and close the corresponding clock of clock aliasing processing.
Preferably, the electronic equipment further include:
Second judgment unit 17, whether the image for judging currently to export is same image with the first image, is obtained
To third judging result；
Third judging unit 18, for showing the image currently exported and the first image when the third judging result
When for same image, further judge whether the image currently exported is the N+2 times display.
Preferably, the second judgment unit 17 includes:
Second judgment sub-unit 171 judges described image layer for each image layer for the image currently exported
Whether display content corresponding to display address changes, and obtains the 4th judging result；
First determines subelement 172, and the display address institute for showing described image layer when the 4th judging result is right
When the display content answered changes, then the image currently exported is different images from the first image；
Second determines subelement 173, and the display address institute for showing described image layer when the 4th judging result is right
When the display content answered does not change, then the image currently exported and the first image are same image.
It will be appreciated by those skilled in the art that the realization function of each unit in above-mentioned electronic equipment can refer to aforementioned data
The associated description of processing method and understand.The function of each unit in above-mentioned electronic equipment can be by running on the journey on processor
Sequence and realize, can also be realized by specific logic circuit.
It, in the absence of conflict, can be in any combination between technical solution documented by the embodiment of the present invention.
In several embodiments provided by the present invention, it should be understood that disclosed method and smart machine, Ke Yitong
Other modes are crossed to realize.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can be tied
It closes, or is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each group
Can be through some interfaces at the mutual coupling in part or direct-coupling or communication connection, equipment or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit, it can and it is in one place, it may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a second processing unit,
It is also possible to each unit individually as a unit, can also be integrated in one unit with two or more units；
Above-mentioned integrated unit both can take the form of hardware realization, can also add the form of SFU software functional unit real using hardware
It is existing.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (12)
1. a kind of data processing method, this method is applied in electronic equipment, which is characterized in that the electronic equipment includes display
Module, the display module can show the first image, and the data processing method includes:
When showing the first image using the display module, judge whether the first image is that n-th continuously displays, and is obtained
First judging result；
When first judging result shows that the first image continuously displays for n-th, the first image is carried out pre-
Processing, obtains the parameter information of the first image；
When the first image is the N+1 times display, the first image is compressed according to obtained parameter information, and
Obtained compression image is stored to memory；
When the first image is the N+2 times display, the compression image is obtained from the memory, and to the compression
Image unzips it and exports the image after decompression to the display module and shows, wherein N >=2.
2. data processing method according to claim 1, which is characterized in that described to be located in advance to the first image
Reason, obtains the parameter information of the first image, comprising:
Obtain each image layer data included by the first image；
Aliasing processing is carried out to each image layer data, obtains the image data of the first image；
Described image data are scanned, the parameter information of the first image is obtained；
Wherein, the parameter information includes at least following information: compression algorithm, compression ratio.
3. data processing method according to claim 2, which is characterized in that described when the first image is the N+1 times
When display, the first image is compressed according to obtained parameter information, comprising:
When the first image is the N+1 times display, the compression ratio for judging the first image according to the parameter information is
It is no to be more than or equal to first threshold, obtain the second judging result；
When second judging result shows the compression ratio of the first image more than or equal to first threshold, according to the compression
The first image is compressed than corresponding compression algorithm.
4. data processing method according to claim 1, which is characterized in that when the first image is the N+2 times display
When, before obtaining the compression image in the memory, the method also includes:
Judge the image currently exported whether with the first image as same image, obtain third judging result；
When the third judging result shows the image currently exported and the first image is same image, further judge
Whether the image currently exported is the N+2 times display.
5. data processing method according to claim 4, which is characterized in that it is described judge the image that currently exports whether with
The first image is same image, comprising:
For each image layer of the image currently exported, judge that display content corresponding to the display address of described image layer is
It is no to change, obtain the 4th judging result；
When display content corresponding to the 4th judging result shows the display address of described image layer changes, then institute
It is different images that the image currently exported, which is stated, from the first image；
When display content corresponding to the 4th judging result shows the display address of described image layer does not change, then
The image currently exported and the first image are same image.
6. data processing method according to any one of claims 1 to 5, which is characterized in that described from the memory
When obtaining the compression image, the method also includes:
Stop the aliasing for carrying out each image layer data included by the first image to handle, and closes the processing of clock aliasing
Corresponding clock.
7. a kind of electronic equipment, which is characterized in that the electronic equipment includes display module, and the display module can show
One image, the electronic equipment further include:
First judging unit, for when using the display module show the first image when, judge the first image whether be
N-th continuously displays, and obtains the first judging result；
Pretreatment unit, for when first judging result shows that the first image continuously displays for n-th, to described
First image is pre-processed, and the parameter information of the first image is obtained；
Compression unit is used for when the first image is the N+1 times display, according to obtained parameter information to first figure
As being compressed, and obtained compression image is stored to memory；
Acquiring unit, for obtaining the compression figure from the memory when the first image is the N+2 times display
Picture；
Output unit, for being unziped it to the compression image and exporting the image after decompression to the display mould
Block is shown；
Wherein, N >=2.
8. electronic equipment according to claim 7, which is characterized in that the pretreatment unit includes:
Subelement is obtained, for obtaining each image layer data included by the first image；
Subelement is handled, for carrying out aliasing processing to each image layer data, obtains the image data of the first image；
It scans subelement and obtains the parameter information of the first image for being scanned to described image data；
Wherein, the parameter information includes at least following information: compression algorithm, compression ratio.
9. electronic equipment according to claim 8, which is characterized in that the compression unit includes:
First judgment sub-unit is used for when the first image is the N+1 times display, according to parameter information judgement
Whether the compression ratio of the first image is more than or equal to first threshold, obtains the second judging result；
Subelement is compressed, for showing that the compression ratio of the first image is more than or equal to first threshold when second judging result
When, the first image is compressed according to the compression ratio corresponding compression algorithm.
10. electronic equipment according to claim 7, which is characterized in that the electronic equipment further include:
Second judgment unit, whether the image for judging currently to export is same image with the first image, obtains third
Judging result；
Third judging unit, for showing that the image currently exported and the first image are same when the third judging result
When image, further judge whether the image currently exported is the N+2 times display.
11. electronic equipment according to claim 10, which is characterized in that the second judgment unit includes:
Second judgment sub-unit judges described image layer explicitly for each image layer for the image currently exported
Whether display content corresponding to location changes, and obtains the 4th judging result；
First determines subelement, for showing display corresponding to the display address of described image layer when the 4th judging result
When content changes, then the image currently exported is different images from the first image；
Second determines subelement, for showing display corresponding to the display address of described image layer when the 4th judging result
When content does not change, then the image currently exported and the first image are same image.
12. according to the described in any item electronic equipments of claim 7 to 11, which is characterized in that the electronic equipment further include:
Control unit, for stopping to included by the first image when obtaining the compression image from the memory
The aliasing processing that carries out of each image layer data, and close the corresponding clock of clock aliasing processing.
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| CN1946144A (en) * | 2006-11-01 | 2007-04-11 | 李博航 | Real time video image transmission technology |
| CN103065601A (en) * | 2013-01-28 | 2013-04-24 | 深圳市华星光电技术有限公司 | Image processing device and method and liquid crystal display |
| CN103238175A (en) * | 2010-12-01 | 2013-08-07 | 夏普株式会社 | Image processing device, image processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1946144A (en) * | 2006-11-01 | 2007-04-11 | 李博航 | Real time video image transmission technology |
| CN103238175A (en) * | 2010-12-01 | 2013-08-07 | 夏普株式会社 | Image processing device, image processing method |
| CN103065601A (en) * | 2013-01-28 | 2013-04-24 | 深圳市华星光电技术有限公司 | Image processing device and method and liquid crystal display |
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