CN105245933A - Screen display method and device - Google Patents
Screen display method and device Download PDFInfo
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- CN105245933A CN105245933A CN201510560352.7A CN201510560352A CN105245933A CN 105245933 A CN105245933 A CN 105245933A CN 201510560352 A CN201510560352 A CN 201510560352A CN 105245933 A CN105245933 A CN 105245933A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the invention provides a screen display method and device. The method comprises the steps that video source data are acquired; the background color value of a target display area in the video source data is determined; and the color value of a prepositioned display object in the target display area is regulated according to the background color value of the target display area. According to the screen display method, the chromatic value, the brightness value or other color value information of the prepositioned display object are regulated so that display difference between the prepositioned display object and background videos can be enhanced, users are enabled to effectively recognize the prepositioned display object accurately and thus confusion and misjudgment can be avoided.
Description
Technical field
The present invention relates to electronic equipment control technology field, be specifically related to a kind of screen display method and device.
Background technology
Screen display (OnScreenDisplay, OSD) technology is message producing method important in current man-machine interface, is usually applied on the computer monitor of domestic television set or individual PC.OSD, by generating some special font or figures in the screen of display, allows user obtain some messages, is convenient to understand the content in current display screen and function.Such as, when user operation regulating sound volume of television set, TV screen will demonstrate corresponding volume prompting figure (OSD figure), allows user understand current volume status.
But because the change of background video is relatively more frequent, and the color of OSD figure is more fixing usually, in some scenarios, the color of background video is easily overlapping with the color of preposition OSD figure, and now OSD figure will be submerged in background colour, causes OSD figure not easily by user discrimination.
Summary of the invention
In order to solve the technical problem of existing existence, the embodiment of the present invention is expected to provide a kind of screen display method and device.
Embodiments provide a kind of screen display method, comprising:
Obtain video source data;
Determine the background colour of target viewing area in described video source data;
Background colour according to described target viewing area adjusts the colour of preposition display object in described target viewing area.
Preferably, the background colour of described target viewing area comprises: chromatic value and/or brightness value;
The described background colour determining target viewing area in described video source data, comprising:
The target viewing area of described video source data is set to multiple cell; Wherein, each cell comprises nxm pixel; Described n, m be greater than 1 integer;
Colourity average and the brightness average of this cell is determined according to the chromatic value of pixel each in cell and brightness value;
Determine colourity average and the brightness average of unit lattice in described target viewing area successively.
Preferably, the described background colour according to described target viewing area adjusts the colour of preposition display object in described target viewing area, comprising:
Judge whether colourity average and the brightness average of described cell exceed the threshold value pre-set;
If exceed, then adjust chromatic value and/or the brightness value of preposition display object corresponding to described cell.
Preferably, described judge described cell colourity average and after whether brightness average exceed the threshold value pre-set, also comprise:
The colourity average of described cell and the comparative result of brightness average and described threshold value are stored in external memory storage as adjusting range value;
The chromatic value of the preposition display object that the described cell of described adjustment is corresponding and/or brightness value, comprising:
Described adjusting range value is read from external memory storage;
The colour of preposition display object in current goal viewing area is set according to described adjusting range value.
Preferably, described method also comprises:
Judge whether the cell quantity that described preposition display object covers exceeds threshold value;
If exceed, then send a warning, the size of the current preposition display object of prompting user goes beyond the scope.
For solving the problem, present invention also offers a kind of screen display device, described device comprises:
Data acquisition module, for obtaining video source data;
Background colour determination module, for determining the background colour of target viewing area in the video source data that described data acquisition module obtains;
Colour adjusting module, for adjusting the colour of preposition display object in described target viewing area according to described background colour determination module determined background colour.
Preferably, the background colour of described target viewing area comprises: chromatic value and/or brightness value;
Described background value determination module, comprising:
Cell arranges submodule, and the target viewing area for the video source data obtained by described data acquisition module is set to multiple cell; Wherein, each cell comprises nxm pixel; Described n, m be greater than 1 integer;
First determines submodule, for determining colourity average and the brightness average of this cell according to the chromatic value of pixel each in cell and brightness value;
Second determines submodule, for determining colourity average and the brightness average of unit lattice in described target viewing area successively.
Preferably, described colour adjusting module is used for:
Judge whether colourity average and the brightness average of described cell exceed the threshold value pre-set;
If exceed, then adjust chromatic value and/or the brightness value of preposition display object corresponding to described cell.
Preferably, described device also comprises:
Memory module, for being stored in external memory storage using the colourity average of described cell and the comparative result of brightness average and described threshold value as adjusting range value;
Described colour adjusting module, also for:
Described adjusting range value is read from external memory storage;
The colour of preposition display object in current goal viewing area is set according to described adjusting range value.
Preferably, described device also comprises:
Alarm module, for judging whether the cell quantity that described preposition display object covers exceeds threshold value; If exceed, then send a warning, the size of the current preposition display object of prompting user goes beyond the scope
Compared with prior art, the embodiment of the present invention comprises following advantage:
According to the screen display method that the embodiment of the present invention provides, by adjusting the chromatic value of preposition display object, brightness value or other colour information, improve the display difference between preposition display object and background video, user effectively can be identified preposition display object accurately, avoid confusion and judge by accident.
Accompanying drawing explanation
The screen display method flow chart one that Fig. 1 provides for the embodiment of the present invention;
The screen display method flowchart 2 that Fig. 2 provides for the embodiment of the present invention;
The video source data cell that Fig. 3 provides for the embodiment of the present invention divides schematic diagram;
The structure chart of a kind of screen display device that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Embodiment one
With reference to Fig. 1, show the flow chart of steps of a kind of screen display method embodiment one of the present invention, specifically can comprise:
Step 101, obtains video source data;
Particularly, the video source data in the embodiment of the present invention can from the watch-dog of front end, video camera, host computer or the vision signal otherwise inputted.
Step 102, determines the background colour of target viewing area in described video source data;
Wherein, the described target viewing area i.e. region of this video display OSD figure, this target viewing area can be the optional position in video.
The background colour of described target viewing area can be specifically chromatic value, the brightness value of this area video, in addition, can also be other colour information such as contrast value, intensity value.
Step 103, the background colour according to described target viewing area adjusts the colour of preposition display object in described target viewing area.
Preposition display object in described target viewing area and OSD figure, specifically, according to operation and the display demand of active user, this OSD figure can be different word, figure etc.
Wherein, can determine according to actual needs the adjusting range of preposition display object colour, as long as enable described OSD figure distinguish from this regional background video.
To sum up, according to the screen display method that the embodiment of the present invention one provides, by adjusting the chromatic value of preposition display object, brightness value or other colour information, improve the display difference between preposition display object and background video, user effectively can be identified preposition display object accurately, avoid confusion and judge by accident.
Embodiment two
With reference to Fig. 2, show the flow chart of steps of a kind of screen display method embodiment of the present invention, specifically can comprise:
Step 201, acquisition video source data;
Step 202, determines the background colour of target viewing area in described video source data;
Particularly, described step 202, comprises following sub-step:
Sub-step 1, is set to multiple cell by the target viewing area of described video source data; Wherein, each cell comprises nxm pixel; Described n, m be greater than 1 integer;
Fig. 3 is the schematic diagram according to the method for this step, the target viewing area of a line video source data being set to multiple cell, a pixel in the corresponding video source data of a lattice in Fig. 3, particularly, 4x4,8x8 pixel can be formed a cell.It should be noted that, but this cell is square, rectangle, and also can be other shape, the embodiment of the present invention be to the value of n and m, and the pixel count comprised in cell is not restricted.
Sub-step 2, determines colourity average and the brightness average of this cell according to the chromatic value of pixel each in cell and brightness value;
Sub-step 3, determines colourity average and the brightness average of unit lattice in described target viewing area successively.
Comprise 4x4 pixel for cell: chromatic value and the brightness value of determining each pixel respectively, the colourity of then getting 16 pixels in this cell is average, brightness average is as the colourity average of this cell and brightness average.
Step 203, judges whether the colourity average of described cell and brightness average exceed the threshold value pre-set.
Concrete, colourity, the upper limit threshold of brightness, lower threshold can be determined in advance according to the OSD figure that will show, then according to this threshold value, the chromatic value of current cell and brightness value are compared, if exceed, then mean that the colour of the colour of this cell and OSD figure is herein too close, need the colour reducing OSD figure to increase the contrast with video background, improve identification; If lower than lower threshold, then improve the colour of OSD figure.
Step 204, adjusts chromatic value and/or the brightness value of preposition display object corresponding to described cell according to the judged result of step 203.
Particularly, by increasing or reduce chromatic value and/or the brightness value of preposition display object OSD figure, make OSD figure and background colour form strong contrast, thus reach the object be convenient to user and identified.
To sum up, the present embodiment is by being divided into multiple cell by target viewing area, the background colour of threshold value determination target viewing area entirety whether is exceeded by the colourity average of more each cell, reduce the colour error because viewing area colour skewness causes, improve the parsing accuracy to target viewing area colour, based on this, can adjust the colour of OSD figure more exactly, improve the identification of OSD figure further.
Further, in order to improve the response speed to the adjustment of OSD figure colour, in another embodiment of the present invention, after described step 203, also comprise:
The colourity average of described cell and the comparative result of brightness average and described threshold value are stored in external memory storage as adjusting range value;
Described step 204 comprises:
Described adjusting range value is read from exterior storage;
The colour of preposition display object in current goal viewing area is set according to described adjusting range value.
Particularly, describedly from exterior storage, read described adjusting range value comprise: described adjusting range value can be read according to the time interval of presetting from external memory storage.Such as, read once every 5 seconds.
Pre-set upper limit threshold 50, lower threshold is 5, and uses the value of a 2bit to represent the colour of cell and the comparative result of described threshold value, wherein, and 2 ' b00: between 5 and 50; 2 ' b01: be greater than 50; 2 ' b10: be less than 5.Suppose that the brightness average of cell is 60, beyond higher limit 50, therefore 2 ' b01 is stored in external memory storage as brightness adjustment range value; When showing OSD figure, the brightness adjustment range value 2 ' b01 of cell corresponding to current OSD figure is obtained from external memory storage, it can thus be appreciated that the brightness value of current OSD figure is beyond the upper limit, the brightness value of OSD figure corresponding for this cell is needed to reduce, such as be set to 30, the contrast like this by expanding OSD figure and background colour makes OSD figure more be convenient to user to identify.
In the present embodiment, owing to eliminating the real-time calculating of cell chromatic value in the process of display OSD figure and comparing, therefore effectively can improve the response speed to the adjustment of OSD figure colour, avoid occurring that adjustment postpones.
It should be noted that, when adjusting the colour of OSD figure, namely can adjust respectively according to the OSD graph block corresponding to the physical location of divided video source data cell, in addition, can also adjust the colour of whole OSD figure, the uniformity of OSD figure colour can be improved like this.Such as, when the cell that OSD figure covers is two or more, the adjusting range value read from external memory storage is also the two or more of correspondence, when the adjusting range value that each cell is corresponding is not identical, the adjustment result of OSD figure can be determined according to the weight of different adjusting range value, such as, suppose the current adjusting range value reading 10 cells, wherein, 2 ' the b01 exceeding the upper limit is 7, 2 ' the b10 lower than lower limit is 1, be 2 normally, it can thus be appreciated that, all cells of target viewing area still exceed the colour upper limit on the whole, therefore, the overall colour of OSD figure is needed to reduce to improve the contrast with video background.
Further, in order to prevent the size of OSD figure from exceeding the supported indication range of the embodiment of the present invention, in another embodiment of the present invention, described method also comprises:
Judge whether the cell quantity that described preposition display object covers exceeds threshold value;
If exceed, then send a warning, the size of the current preposition display object of prompting user goes beyond the scope.
If the cell quantity that preposition display object covers exceeds the quantity of setting, then mean the scope that the size of current OSD figure can be supported beyond cell, therefore, by sending a warning to user, to reset the cell of target viewing area, such as, change each cell into 4x4 pixel by 8x8 pixel.
Device embodiment
With reference to Fig. 3, show the structured flowchart of a kind of screen display device embodiment of the present invention, described device is positioned on video display apparatus, and described device comprises: data acquisition module 301, background colour determination module 302 and colour adjusting module 303; Wherein,
Data acquisition module 301, for obtaining video source data;
Background colour determination module 302, for determining the background colour of target viewing area in the video source data that described data acquisition module obtains;
Colour adjusting module 303, for adjusting the colour of preposition display object in described target viewing area according to described background colour determination module determined background colour.
In an alternate embodiment of the present invention where, the background colour of described target viewing area comprises: chromatic value and/or brightness value;
Described background value determination module, comprising:
Cell arranges submodule, and the target viewing area for the video source data obtained by described data acquisition module is set to multiple cell; Wherein, each cell comprises nxm pixel; Described n, m be greater than 1 integer;
First determines submodule, for determining colourity average and the brightness average of this cell according to the chromatic value of pixel each in cell and brightness value;
Second determines submodule, for determining colourity average and the brightness average of unit lattice in described target viewing area successively.
Further, described colour adjusting module also for:
Judge whether colourity average and the brightness average of described cell exceed the threshold value pre-set;
If exceed, then adjust chromatic value and/or the brightness value of preposition display object corresponding to described cell.
Further, described device also comprises:
Memory module, for being stored in external memory storage using the colourity average of described cell and the comparative result of brightness average and described threshold value as adjusting range value;
Described colour adjusting module, also for:
Described adjusting range value is read from external memory storage;
The colour of preposition display object in current goal viewing area is set according to described adjusting range value.
Further, described device also comprises:
Alarm module, for judging whether the cell quantity that described preposition display object covers exceeds threshold value; If exceed, then send a warning, the size of the current preposition display object of prompting user goes beyond the scope.
In specific implementation process, above-mentioned data acquisition module 301, background colour determination module 302 and colour adjusting module 303 all can by the central processing unit (CPU in video display apparatus, CentralProcessingUnit), microprocessor (MPU, MicroProcessingUnit), digital signal processor (DSP, DigitalSignalProcessor) or programmable logic array (FPGA, Field-ProgrammableGateArray) realize.
For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the embodiment of the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The embodiment of the present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, terminal equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, making the instruction performed by the processor of computer or other programmable data processing terminal equipment produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing terminal equipment, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make to perform sequence of operations step to produce computer implemented process on computer or other programmable terminal equipment, thus the instruction performed on computer or other programmable terminal equipment is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of embodiment of the present invention scope.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment comprising described key element and also there is other identical element.
Above to a kind of screen display method provided by the present invention and device, be described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a screen display method, is characterized in that, described method comprises:
Obtain video source data;
Determine the background colour of target viewing area in described video source data;
Background colour according to described target viewing area adjusts the colour of preposition display object in described target viewing area.
2. method according to claim 1, is characterized in that, the background colour of described target viewing area comprises: chromatic value and/or brightness value;
The described background colour determining target viewing area in described video source data, comprising:
The target viewing area of described video source data is set to multiple cell; Wherein, each cell comprises nxm pixel; Described n, m be greater than 1 integer;
Colourity average and the brightness average of this cell is determined according to the chromatic value of pixel each in cell and brightness value;
Determine colourity average and the brightness average of unit lattice in described target viewing area successively.
3. method according to claim 2, is characterized in that, the described background colour according to described target viewing area adjusts the colour of preposition display object in described target viewing area, comprising:
Judge whether colourity average and the brightness average of described cell exceed the threshold value pre-set;
If exceed, then adjust chromatic value and/or the brightness value of preposition display object corresponding to described cell.
4. method according to claim 3, is characterized in that, described judge described cell colourity average and after whether brightness average exceed the threshold value pre-set, also comprise:
The colourity average of described cell and the comparative result of brightness average and described threshold value are stored in external memory storage as adjusting range value;
The chromatic value of the preposition display object that the described cell of described adjustment is corresponding and/or brightness value, comprising:
Described adjusting range value is read from external memory storage;
The colour of preposition display object in current goal viewing area is set according to described adjusting range value.
5. method according to claim 3, is characterized in that, described method also comprises:
Judge whether the cell quantity that described preposition display object covers exceeds threshold value;
If exceed, then send a warning, the size of the current preposition display object of prompting user goes beyond the scope.
6. a screen display device, is characterized in that, described device comprises:
Data acquisition module, for obtaining video source data;
Background colour determination module, for determining the background colour of target viewing area in the video source data that described data acquisition module obtains;
Colour adjusting module, for adjusting the colour of preposition display object in described target viewing area according to described background colour determination module determined background colour.
7. device according to claim 6, is characterized in that, the background colour of described target viewing area comprises: chromatic value and/or brightness value;
Described background value determination module, comprising:
Cell arranges submodule, and the target viewing area for the video source data obtained by described data acquisition module is set to multiple cell; Wherein, each cell comprises nxm pixel; Described n, m be greater than 1 integer;
First determines submodule, for determining colourity average and the brightness average of this cell according to the chromatic value of pixel each in cell and brightness value;
Second determines submodule, for determining colourity average and the brightness average of unit lattice in described target viewing area successively.
8. device according to claim 7, is characterized in that, described colour adjusting module also for:
Judge whether colourity average and the brightness average of described cell exceed the threshold value pre-set;
If exceed, then adjust chromatic value and/or the brightness value of preposition display object corresponding to described cell.
9. device according to claim 8, is characterized in that, described device also comprises:
Memory module, for being stored in external memory storage using the colourity average of described cell and the comparative result of brightness average and described threshold value as adjusting range value;
Described colour adjusting module, also for:
Described adjusting range value is read from external memory storage;
The colour of preposition display object in current goal viewing area is set according to described adjusting range value.
10. device according to claim 9, is characterized in that, described device also comprises:
Alarm module, for judging whether the cell quantity that described preposition display object covers exceeds threshold value; If exceed, then send a warning, the size of the current preposition display object of prompting user goes beyond the scope.
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| CN201510560352.7A CN105245933A (en) | 2015-09-06 | 2015-09-06 | Screen display method and device |
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| CN201510560352.7A CN105245933A (en) | 2015-09-06 | 2015-09-06 | Screen display method and device |
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| CN105760868A (en) * | 2016-02-03 | 2016-07-13 | 广东欧珀移动通信有限公司 | Method and device for adjusting color tendency of object in image and mobile terminal |
| CN109388998A (en) * | 2017-08-04 | 2019-02-26 | 武汉矽感科技有限公司 | A kind of method and apparatus of identifying stamp two dimensional code |
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| CN104376834A (en) * | 2013-08-12 | 2015-02-25 | 联想(北京)有限公司 | Brightness adjusting method and electronic device |
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| CN105760868A (en) * | 2016-02-03 | 2016-07-13 | 广东欧珀移动通信有限公司 | Method and device for adjusting color tendency of object in image and mobile terminal |
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| CN109388998A (en) * | 2017-08-04 | 2019-02-26 | 武汉矽感科技有限公司 | A kind of method and apparatus of identifying stamp two dimensional code |
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Application publication date: 20160113 |
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