CN116540912B - Display interaction control method, device and display system of sliding rail display screen - Google Patents
Display interaction control method, device and display system of sliding rail display screen Download PDFInfo
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- CN116540912B CN116540912B CN202310801407.3A CN202310801407A CN116540912B CN 116540912 B CN116540912 B CN 116540912B CN 202310801407 A CN202310801407 A CN 202310801407A CN 116540912 B CN116540912 B CN 116540912B
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000003993 interaction Effects 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims description 28
- 230000002441 reversible effect Effects 0.000 claims description 16
- 230000011218 segmentation Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
- 230000002452 interceptive effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004590 computer program Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- General Engineering & Computer Science (AREA)
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- User Interface Of Digital Computer (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention relates to the technical field of slide rail screen display positioning, in particular to a display interaction control method, a display interaction control device and a display system of a slide rail display screen. The method comprises the following steps: segmenting the media file to generate segment types with at least two break points staggered with each other; when the sliding rail display screen is detected to reversely slide and reach a set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen; selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment; displaying a preset number of media file segments on the slide rail display screen according to the determined segment type; according to whether the displayed media file segment is selected, executing corresponding display operation; when the display is displayed, if the sliding of the sliding rail display screen is detected, corresponding display operation is executed according to the sliding distance. The invention solves the problem that the media file cannot be displayed correctly in the process of moving the sliding rail display screen reversely.
Description
Technical Field
The invention relates to the technical field of slide rail screen display positioning, in particular to a display interaction control method, a display interaction control device and a display system of a slide rail display screen.
Background
The slide rail screen is a novel multimedia display method, and the movement of the slide rail display screen is utilized to realize automatic continuous perspective of background pictures or automatic display of media files of preset nodes. The appearance of slide rail screen plays fine propaganda effect to propaganda side, need not the visitor and reads loaded down with trivial details characters or explanation personnel explanation repeatedly moreover. The sliding rail screen demonstration process is more specific, comprehensive and shocking, and can leave very profound impressions for visitors.
The sliding rail screen is characterized in that the sliding rail display screen is arranged on the fixed rail, and the sliding rail display screen is driven to slide along the fixed rail by manpower or an electric device. The back of the fixed track is provided with a background wall, the fixed track is provided with detection points, and when the sliding screen moves to the corresponding detection points, the sliding rail display screen can display media files corresponding to the corresponding detection points. The sliding rail display screen is moved along the background wall in a forward direction according to the content of the background wall.
However, the slide rail display screen sometimes needs to slide in the reverse direction against the display order of the background wall. However, the existing sliding rail screen cannot display the media file correctly in the sliding rail display screen reverse sliding process, or the reverse sliding is not set, or the media file is reversely placed in the sliding rail display screen reverse sliding process, but the positioning of the media file cannot be realized in the reverse placing process, and only the quick-return processing is directly adopted for the media file, so that the display effect of the media file is poor in the sliding rail display screen reverse sliding process.
Disclosure of Invention
Accordingly, it is necessary to provide a method, a device and a system for controlling the display interaction of a sliding rail display screen.
The embodiment of the invention is realized in such a way that the display interaction control method of the sliding rail display screen comprises the following steps:
segmenting the media file to generate segment types with at least two break points staggered with each other;
when the sliding rail display screen is detected to reversely slide and reach a set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen;
selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment;
displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
according to whether the displayed media file segment is selected, executing corresponding display operation;
in the display process, if the sliding of the sliding rail display screen is detected, corresponding display operation is executed according to the sliding distance;
the reverse sliding refers to the movement of the sliding rail display screen against the display sequence of the background wall.
In one embodiment, the invention provides a display interaction control device of a slide rail display screen, the display interaction control device of the slide rail display screen comprises:
the segmentation module is used for segmenting the media file to generate at least two segmentation types with mutually staggered break points;
the detection module is used for detecting a media file time point corresponding to the stop position of the sliding rail display screen when the sliding rail display screen reversely slides and reaches a set identification distance;
the selecting module is used for selecting one media file segment according to the stop position of the slide rail display screen and determining the segment type of the selected media file segment;
the display module is used for displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
the display module is used for executing corresponding display operation according to whether the displayed media file segment is selected or not;
and the mobile module is used for executing corresponding display operation according to the sliding distance if the sliding of the sliding rail display screen is detected in the display process.
In one embodiment, the invention provides a display system comprising a slide rail display screen, a fixed rail, and a control device;
the sliding rail display screen comprises a display screen and a detection module; the display screen is used for displaying the media file; the detection module is used for detecting the moving distance of the display screen; the detection module is arranged on the display screen;
the fixed rail comprises a double-row shaft rail and a transmission system; the double-row-shaft track is used for limiting the sliding rail display screen to move in the double-row-shaft track; the transmission system is used for moving the display screen;
the control equipment is communicated with the display screen and the detection module and is used for executing the display interaction control method of the sliding rail display screen.
According to the display interaction control method of the slide rail display screen, the media file is segmented, and the media file segment corresponding to the stop position of the slide rail display screen is positioned; selecting an optimal segmentation type and displaying a preset number of media file segments; and executing corresponding display operation according to the selected content.
The display interaction control method of the slide rail display screen provided by the embodiment of the invention is similar to the progress adjustment in the audio and video playing process, but is combined with the actual position, so that the adjustment is more visual. Converting the adjusted progress bar into a moving process of the display screen; however, unlike the adjustment of audio and video, the progress bar is one-to-one with the audio and video, the length of the progress bar is equal to the playing time, but the physical length of the display screen in the moving process and the time length of the media file display are two different dimensions, and the method establishes a connection between the two different dimensions.
The display interaction control method of the sliding rail display screen solves the problem that media files cannot be displayed correctly in the process of moving the sliding rail display screen reversely.
Drawings
FIG. 1 is a flow chart showing an interactive control method of a slide rail display screen in one embodiment;
FIG. 2 is a schematic diagram of media file segments in one embodiment;
FIG. 3 is a block diagram of an interactive control device for displaying a slide display in one embodiment;
FIG. 4 is a block diagram of a display system provided in one embodiment;
fig. 5 is a block diagram showing an internal structure of the control device in one embodiment.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another element. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of this disclosure.
As shown in fig. 1, in one embodiment, a method for displaying interaction control of a sliding rail display screen is provided, which specifically includes the following steps:
step S101, segmenting a media file to generate at least two segmentation types with mutually staggered break points;
step S102, detecting a media file time point corresponding to a stop position of the sliding rail display screen when the sliding rail display screen is detected to reversely slide and reach a set identification distance;
step S103, selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment;
step S104, displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
step S105, according to whether the displayed media file segment is selected, executing corresponding display operation;
step S106, if sliding of the sliding rail display screen is detected in the display process, corresponding display operation is executed according to the sliding distance;
the reverse sliding refers to the movement of the sliding rail display screen against the display sequence of the background wall.
In this embodiment, the media files include audio files, video files, and picture files.
In this embodiment, the segment type refers to a segment manner in which only break points are different for the entire media file and the content is unchanged.
In this embodiment, the identification distance is used to identify a slight movement of the slide display.
In this embodiment, the reverse sliding in step S102 is changed to the forward sliding, and the method can also be used for displaying the content of the sliding rail display screen in the forward moving process under the condition that other steps are unchanged.
In this embodiment, step S102 is to relate the distance length of the slide rail display screen during the moving process to two different dimensions of the time length of the multimedia presentation.
In this embodiment, step S103, determining the segment type of the selected media file segment refers to selecting the segment type containing the selected media file segment.
In this embodiment, in step S104, each media file segment may be displayed in a certain area of the slide display screen or in a full screen side by side.
In one embodiment, the segmenting the media file generates at least two segment types with mutually staggered break points, including:
to be used forDividing the media file into a plurality of segments by taking time a as the length for the starting time;
where x is the number of segment types; a is a time length for dividing a media file; n is an ordinal number of the segment type.
In this embodiment, x and n are both positive integers; the initial value of n is 1; 1 is added for each segment type n generated; when n is greater than x, the segmentation step is stopped.
In the present embodiment, each segment type includesSegmentation before time toFor the start time, several segments with a length of time a and segments with a last time length less than a, there are of course also cases where the last segment has a time length just a.
In this embodiment, each media file segment starts at 0 point on the time axis, for example: the first segment of the nth segment type has a time period of 0 toThe time period of the second segment is +.>To the point ofThe starting time of each segment is the ending time of the last segment, the ending time is the starting time of the segment plus a, the segments are pushed to be ended, and the ending time of the last segment is the starting time of the last segment plus the time length less than a.
In this embodiment, the presentation content and the presentation duration of the corresponding media file of each segment type are the same, but the break points are different.
In one embodiment, when the sliding rail display screen is detected to slide reversely and reach the set recognition distance, detecting a media file time point corresponding to a stop position of the sliding rail display screen includes:
judging before and after sliding of sliding rail display screenWhether or not to decrease, if->The sliding rail display screen reversely slides when the sliding rail display screen is reduced;
if the sliding rail display screen slides reversely, judgingIf the reduced value exceeds a set first threshold value, the sliding rail display screen reversely slides and reaches a set identification distance;
if the sliding rail display screen reversely slides and reaches the set identification distance, according toDetermining a media file time point corresponding to a stop position of the slide rail display screen;
q is the rotation angle of a gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file.
In this embodiment, a photoelectric detection point is generally disposed at the top or bottom of the back of the sliding rail display screen to detect the position of the display screen, but this detection mode is a sectional type and cannot be continuously detected. The slide rail display screen is provided with the gear for calculating the position of the display screen, the position of the display screen is calculated by counting the number of turns of the gear, and the number of turns of the counting gear can be represented by counting the rotating angle of the gear.
In this embodiment, the ratio of Q to Q is multiplied by the total display time T of the media file to obtain the time when the current distance of the slide rail display screen corresponds to the display time of the media file.
In the present embodiment of the present invention, in the present embodiment,reducing the reverse sliding of the display screen representing the sliding rail, < >>The increase represents a positive sliding of the slide rail display screen.
In this embodiment, the first threshold is typically 5-10 cm.
In one embodiment, the selecting a media file segment according to the stopping position of the slide rail display screen, and determining the segment type of the selected media file segment includes:
selecting a time point for inclusionIs defined as a segment of the entire media file;
comparison ofA difference between the value of (a) and the intermediate point in time of the selected respective media file segment;
selecting a media file segment with the smallest difference value;
a segment type corresponding to the selected media file segment is determined.
In the present embodiment, as shown in fig. 2, it is assumed that the slide rail display screen is divided into two segment types a and B, and slides reversely toAt this time, two segmentation types are selected to include +.>Media file segment a of (2) 1 And B 1 Straight line +.>With media file segment A 1 The difference in the middle time points of (c) is the smallest, and the segment type a is used.
In this embodiment, the middle time points of the media file segments are all from 0 point on the time axis, for example: the first segment of the nth segment type has a time period of 0 toThen the middle time point of said first segment is +.>The time period of the second segment is +.>To->Then the middle time point of said second segment is +.>The middle time point of each segment is divided by a time point of 2 and the initial time of the segment is added, and there is a case that the time length of the last segment is less than a, and the middle time point of the last segment is (total display time of media file-start time of the last segment)/2+start time of the last segment.
In one embodiment, the displaying the preset number of media file segments on the slide display according to the determined segment type includes:
and centering on the selected media file segments, selecting and displaying a preset number of media file segments in the determined segment types, wherein the selected preset number of media file segments are continuous in time.
In this embodiment, as shown in FIG. 2, when segment type A is selected, segment A is segmented with the media file 1 Centering around, a preset number of media file segments, media file segment A 1 Is displayed.
In this embodiment, the preset numbers before and after the selection may be different, and the preset numbers corresponding to the different media file segments may be different.
In this embodiment, the method is similar to that of displaying the pictures of the front and rear video frames in the adjusting process by using the progress bar of the audio and video, so that the user can more intuitively see the display state of the position where the media file is located.
In one embodiment, the performing a corresponding presentation operation according to whether the displayed media file segment is selected includes:
monitoring whether a displayed media file segment is selected;
if any media file segment displayed is selected, displaying the selected media file segment;
and if the displayed media file segments are not selected, displaying the media file time points corresponding to the stopping positions of the sliding rail display screen.
In this embodiment, as shown in fig. 2, if the segment type a is selected at this time, all media file segments displayed on the segment type a may be selected, and when any media file segment displayed is selected, the selected media file segment is displayed.
In this embodiment, as shown in FIG. 2, when none of the media file segments displayed at this time is selected, then the media file segment A is selected from 1 The presentation of the media file of segment type a in chronological order is started.
In one embodiment, in the displaying process, if the sliding of the sliding rail display screen is detected, a corresponding displaying operation is performed according to the sliding distance, including:
in the display process, when the sliding of the sliding rail display screen is detected and the sliding distance reaches the set identification distance, comparingA size of one-half of the time length of the selected media file segment;
when (when)The change value of (2) is less than one half of the time length of the selected segment, and then the quick progress display or the quick return display is executed according to the sliding direction;
when (when)If the change value of the selected media file segment is greater than or equal to one half of the time length of the selected segment, selecting a media file segment according to the stop position of the slide rail display screen, determining the segment type of the selected media file segment, and displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
q is the rotation angle of a gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file.
In this embodiment, when the sliding of the sliding rail display screen is detected and the sliding distance reaches the set recognition distance, anThe variation value of (a) is smaller than half the time length of the selected media file segment,/a->Still in the currently selected media file segment, only fast forward presentation or fast reverse presentation is performed at this time.
In the present embodiment, whenDetecting that the sliding rail display screen slides and the sliding distance reaches the set identification distance, andand (3) if the change value of the media file is greater than or equal to one half of the time length of the selected segment, judging the selected media file segment and the segment type again according to the reverse sliding or forward sliding of the sliding rail display screen.
In one embodiment, the method for controlling the display interaction of the slide rail display screen further includes:
setting a plurality of time separation points corresponding to the detection points in the media file;
grouping the media files according to the time separation points;
when (when)When the time separation point is equal to the time separation point, displaying the switching process of the media files corresponding to the front and rear groups on the slide rail display screen;
wherein, a detection point is arranged between the two static background pictures; q is the rotation angle of the gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file.
In this embodiment, the purpose of the time separation point is to allow the user to intuitively see the switching between the media files corresponding to different static background images; the time separation point can be a breakpoint or can be contained in the media file segment, and the time separation point is just a set point and does not affect the display of the media file; the time separation point can be preset in the media file in advance, and the detection of the actual detection point is not needed.
As shown in fig. 3, in one embodiment, there is provided a display interaction control device of a slide rail display screen, the device including:
the segmentation module is used for segmenting the media file to generate at least two segmentation types with mutually staggered break points;
the detection module is used for detecting a media file time point corresponding to the stop position of the sliding rail display screen when the sliding rail display screen reversely slides and reaches a set identification distance;
the selecting module is used for selecting one media file segment according to the stop position of the slide rail display screen and determining the segment type of the selected media file segment;
the display module is used for displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
the display module is used for executing corresponding display operation according to whether the displayed media file segment is selected or not;
and the mobile module is used for executing corresponding display operation according to the sliding distance if the sliding of the sliding rail display screen is detected in the display process.
In this embodiment, each module of the display interaction control device of the sliding rail display screen is modularized in the method portion of the present invention, and for specific explanation of each module, please refer to the corresponding content of the method portion of the present invention, and the embodiments of the present invention are not described herein again.
As shown in fig. 4, in one embodiment, a display system is provided that includes a slide rail display screen, a fixed rail, and a control device;
the sliding rail display screen comprises a display screen and a detection module; the display screen is used for displaying the media file; the detection module is used for detecting the moving distance of the display screen; the detection module is arranged on the display screen;
the fixed rail comprises a double-row shaft rail and a transmission system; the double-row-shaft track is used for limiting the sliding rail display screen to move in the double-row-shaft track; the transmission system is used for moving the display screen;
the control equipment is communicated with the display screen and the detection module and is used for executing the display interaction control method of the sliding rail display screen.
Fig. 5 shows an internal structural diagram of the control device in one embodiment. The control device may specifically be a sliding rail display screen in fig. 4, or may be an externally-hung device. As shown in fig. 5, the control apparatus includes a processor, a memory, a network interface, an input device, and a display screen connected by a system bus. The memory includes a nonvolatile storage medium and an internal memory. The nonvolatile storage medium of the control device stores an operating system and also stores a computer program, and when the computer program is executed by the processor, the processor can realize the display interaction control method of the slide rail display screen provided by the embodiment of the invention. The internal memory may also store a computer program, which when executed by the processor, causes the processor to execute the method for controlling the display interaction of the slide rail display screen provided by the embodiment of the invention. The display screen of the control device can be a liquid crystal display screen or an electronic ink display screen, the input device of the control device can be a touch layer covered on the display screen, can also be a key, a track ball or a touch pad arranged on the shell of the control device, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 5 is merely a block diagram of a portion of the structure associated with the present inventive arrangements and is not limiting of the control device to which the present inventive arrangements are applied, and that a particular control device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, the interactive display control device for a slide rail display screen provided in the embodiment of the present invention may be implemented in the form of a computer program, which may be executed on a control device as shown in fig. 5. The memory of the control device may store various program modules constituting the display interactive control device of the slide display screen, such as the segmentation module, the detection module, the selection module, the display module, and the movement module shown in fig. 3. The computer program formed by the program modules enables the processor to execute the steps in the method for displaying and controlling the interaction of the sliding rail display screen according to the embodiments of the invention described in the specification.
For example, the control device shown in fig. 5 may execute step S101 through the segmentation module in the presentation interaction control device of the slide rail display screen shown in fig. 3; the control device may execute step S102 through the detection module; the control device may execute step S103 through the selected module; the control device may execute step S104 through the display module; the control device may execute step S105 through the presentation module; the control device may perform step S106 through the mobile module.
In one embodiment, a control device is provided, the control device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
segmenting the media file to generate segment types with at least two break points staggered with each other;
when the sliding rail display screen is detected to reversely slide and reach a set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen;
selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment;
displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
according to whether the displayed media file segment is selected, executing corresponding display operation;
in the display process, if the sliding of the sliding rail display screen is detected, corresponding display operation is executed according to the sliding distance;
the reverse sliding refers to the movement of the sliding rail display screen against the display sequence of the background wall.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which when executed by a processor causes the processor to perform the steps of:
segmenting the media file to generate segment types with at least two break points staggered with each other;
when the sliding rail display screen is detected to reversely slide and reach a set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen;
selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment;
displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
according to whether the displayed media file segment is selected, executing corresponding display operation;
in the display process, if the sliding of the sliding rail display screen is detected, corresponding display operation is executed according to the sliding distance;
the reverse sliding refers to the movement of the sliding rail display screen against the display sequence of the background wall.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The display interaction control method of the sliding rail display screen is characterized by comprising the following steps of:
segmenting the media file to generate segment types with at least two break points staggered with each other;
when the sliding rail display screen is detected to reversely slide and reach a set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen;
selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment;
displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
according to whether the displayed media file segment is selected, executing corresponding display operation;
in the display process, if the sliding of the sliding rail display screen is detected, corresponding display operation is executed according to the sliding distance;
the reverse sliding refers to movement of the sliding rail display screen against the display sequence of the background wall;
when the sliding rail display screen is detected to reversely slide and reach the set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen, comprising:
judging before and after sliding of sliding rail display screenWhether or not to decrease, if->The sliding rail display screen reversely slides when the sliding rail display screen is reduced;
if the sliding rail display screen slides reversely, judgingIf the reduced value exceeds a set first threshold value, the sliding rail display screen reversely slides and reaches a set identification distance;
if the sliding rail display screen reversely slides and reaches the set identification distance, according toDetermining a media file time point corresponding to a stop position of the slide rail display screen;
q is the rotation angle of a gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file;
selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment comprises the following steps:
selecting a time point for inclusionIs defined as a segment of the entire media file;
comparison ofA difference between the value of (a) and the intermediate point in time of the selected respective media file segment;
selecting a media file segment with the smallest difference value;
determining a segment type corresponding to the selected media file segment;
the step of executing corresponding display operation according to whether the displayed media file segment is selected or not comprises the following steps:
monitoring whether a displayed media file segment is selected;
if any media file segment displayed is selected, displaying the selected media file segment;
and if the displayed media file segments are not selected, displaying the media file time points corresponding to the stopping positions of the sliding rail display screen.
2. The interactive control method for displaying a slide rail display screen according to claim 1, wherein the segmenting the media file to generate at least two segment types with mutually staggered break points comprises:
to be used forDividing the media file into a plurality of segments by taking time a as the length for the starting time;
where x is the number of segment types; a is a time length for dividing a media file; n is an ordinal number of the segment type.
3. The method for interactive control of display of a slide display according to claim 1, wherein displaying a preset number of media file segments on the slide display according to the determined segment type comprises:
and centering on the selected media file segments, selecting and displaying a preset number of media file segments in the determined segment types, wherein the selected preset number of media file segments are continuous in time.
4. The interactive display control method of claim 1, wherein, in the display process, if sliding of the slide rail display screen is detected, corresponding display operation is performed according to the sliding distance, including:
in the display process, when the sliding of the sliding rail display screen is detected and the sliding distance reaches the set identification distance, comparingA size of one-half of the time length of the selected media file segment;
when (when)The change value of (2) is less than one half of the time length of the selected segment, and then the quick progress display or the quick return display is executed according to the sliding direction;
when (when)If the change value of the selected media file segment is greater than or equal to one half of the time length of the selected segment, selecting a media file segment according to the stop position of the slide rail display screen, determining the segment type of the selected media file segment, and displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
q is the rotation angle of a gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file.
5. The method for controlling the display interaction of the slide rail display screen according to claim 1, wherein the method for controlling the display interaction of the slide rail display screen further comprises:
setting a plurality of time separation points corresponding to the detection points in the media file;
grouping the media files according to the time separation points;
when (when)When the time separation point is equal to the time separation point, displaying the switching process of the media files corresponding to the front and rear groups on the slide rail display screen;
wherein, a detection point is arranged between the two static background pictures; q is the rotation angle of the gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file.
6. The utility model provides a show interactive control device of slide rail display screen, its characterized in that, the show interactive control device of slide rail display screen includes:
the segmentation module is used for segmenting the media file to generate at least two segmentation types with mutually staggered break points;
the detection module is used for detecting a media file time point corresponding to the stop position of the sliding rail display screen when the sliding rail display screen reversely slides and reaches a set identification distance;
the selecting module is used for selecting one media file segment according to the stop position of the slide rail display screen and determining the segment type of the selected media file segment;
the display module is used for displaying a preset number of media file segments on the slide rail display screen according to the determined segment type;
the display module is used for executing corresponding display operation according to whether the displayed media file segment is selected or not;
the mobile module is used for executing corresponding display operation according to the sliding distance if the sliding of the sliding rail display screen is detected in the display process;
the reverse sliding refers to movement of the sliding rail display screen against the display sequence of the background wall;
when the sliding rail display screen is detected to reversely slide and reach the set identification distance, detecting a media file time point corresponding to the stop position of the sliding rail display screen, comprising:
judging before and after sliding of sliding rail display screenWhether or not to decrease, if->The sliding rail display screen reversely slides when the sliding rail display screen is reduced;
if the sliding rail display screen slides reversely, judgingIf the reduced value exceeds a set first threshold value, the sliding rail display screen reversely slides and reaches a set identification distance;
if the sliding rail display screen reversely slides and reaches the set identification distance, according toDetermining a media file time point corresponding to a stop position of the slide rail display screen;
q is the rotation angle of a gear arranged when the slide rail display screen is at the current position; q is the rotation angle of a gear arranged when the sliding rail display screen slides to the end position; t is the total presentation time of the media file;
selecting a media file segment according to the stop position of the slide rail display screen, and determining the segment type of the selected media file segment comprises the following steps:
selecting a time point for inclusionAll of (3)Segmenting the media file;
comparison ofA difference between the value of (a) and the intermediate point in time of the selected respective media file segment;
selecting a media file segment with the smallest difference value;
determining a segment type corresponding to the selected media file segment;
the step of executing corresponding display operation according to whether the displayed media file segment is selected or not comprises the following steps:
monitoring whether a displayed media file segment is selected;
if any media file segment displayed is selected, displaying the selected media file segment;
and if the displayed media file segments are not selected, displaying the media file time points corresponding to the stopping positions of the sliding rail display screen.
7. A display system, characterized in that the display system comprises a slide rail display screen, a fixed rail and a control device;
the sliding rail display screen comprises a display screen and a detection module; the display screen is used for displaying the media file; the detection module is used for detecting the moving distance of the display screen; the detection module is arranged on the display screen;
the fixed rail comprises a double-row shaft rail and a transmission system; the double-row-shaft track is used for limiting the sliding rail display screen to move in the double-row-shaft track; the transmission system is used for moving the display screen;
the control device is in communication with the display screen and the detection module, and is configured to perform the interactive display control method for the slide rail display screen according to any one of claims 1 to 5.
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