CN106200931A - A kind of method and apparatus controlling viewing distance - Google Patents
A kind of method and apparatus controlling viewing distance Download PDFInfo
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- CN106200931A CN106200931A CN201610507514.5A CN201610507514A CN106200931A CN 106200931 A CN106200931 A CN 106200931A CN 201610507514 A CN201610507514 A CN 201610507514A CN 106200931 A CN106200931 A CN 106200931A
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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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The present invention relates to intelligent television technical field, it is provided that a kind of method and apparatus controlling viewing distance.Wherein, described method includes: gathering viewing person's relevant information by dual camera, wherein, described relevant information includes viewing person's positional information；When the positional information of described viewing person meets predetermined threshold value, in display screen, correspondence position generates objects interfered, and described objects interfered is for blocking the some or all of content of currently playing video content.The embodiment of the present invention completes the collection of the positional information of viewing person by dual camera, and thus generate objects interfered, viewing person can be helped to confirm, and its viewing state is healthy already at affecting it, and by producing the objects interfered affecting its normal viewing, thus viewing person is allowed to produce inspiration and the power returning normal (healthy) viewing state.
Description
[technical field]
The present invention relates to intelligent television technical field, particularly relate to a kind of method and apparatus controlling viewing distance.
[background technology]
Along with the raising of level of hardware, and the demand that user experiences for viewing promotes, 4K TV, 3D TV etc. by
Progressive enter every family.Compare the advancing by leaps and bounds of hardware, and various children, movie and video programs also emerge in an endless stream, and is sighing with feeling numeral
Family's video display development fast while, also the unsound viewing custom for child is worried.
For child, it can't notice the impact that its vision may be caused by viewing distance, also will not notice
The eyestrain brought during viewing, thus, the consequence brought just is as what hardware increasingly prosperity and resource were increasingly enriched
Under big good environment, bring increasing child myopia problem on the contrary.
In consideration of it, overcoming the defect existing for the prior art is the art problem demanding prompt solution.
[summary of the invention]
The technical problem to be solved in the present invention is how to provide one can allow viewing person's spontaneous maintenance viewing distance, and
Its method bringing strong conflict will not be given.
The present invention adopts the following technical scheme that
First aspect, embodiments provides a kind of method controlling viewing distance, and described method includes:
Gathering viewing person's relevant information by dual camera, wherein, described relevant information includes viewing person's positional information；
When the positional information of described viewing person meets predetermined threshold value, in display screen, correspondence position generates objects interfered,
Described objects interfered is for blocking the some or all of content of currently playing video content.
Preferably, described relevant information also includes that the profile information of viewing person, described objects interfered are specially viewing person's
Shade, then in display screen, correspondence position generates objects interfered, specifically includes:
According to described profile information and positional information, correspondence position in display screen generates the shade of viewing person, described shade
For blocking the some or all of content of currently playing video content.
Preferably, described method also includes:
When viewing person's positional information that dual camera collects changes, according to the profile information currently collected and
Positional information generates the shade of new viewing person, and has shown that formerly with on the shade renewal screen of described new viewing person
The shade of viewing person.
Preferably, described method also includes that the virtual light source of shade is arranged, and the parameter that arranges of described virtual light source includes void
Intend light source in the angle of distance, the intensity of virtual light source and the virtual light source of screen or multinomial, concrete:
User is the size of the initial shade produced in display screen, along with the adjustment of the distance of described virtual light source to screen
And change；
The transparency of the shade that user produces in display screen, along with the adjustment of the distance of described virtual light source to screen
And change；
The angle excursion of the shade that user produces in display screen, along with the angle of described virtual light source presents accordingly
Reflection.
Preferably, described method also includes:
By camera collection face information, confirming that face information meets the user of viewing demand is described viewing person；Its
In, meet viewing demand and include: the focus direction of human eye be display screen and/or face be oriented display screen.
Second aspect, the embodiment of the present invention additionally provides a kind of device controlling viewing distance, including:
Dual camera acquisition module, is used for gathering viewing person's relevant information, and wherein, described relevant information includes viewing person position
Confidence ceases；
Objects interfered generates into module, for when the positional information of described viewing person meets predetermined threshold value, at display screen
Middle correspondence position generates objects interfered, and described objects interfered is for blocking the some or all of interior of currently playing video content
Hold.
Preferably, described relevant information also includes that the profile information of viewing person, described objects interfered are specially viewing person's
Shade, the most described device also includes:
Shadow generation module, generates viewing for the correspondence position in display screen according to described profile information and positional information
The shade of person, described shade is for blocking the some or all of content of currently playing video content.
Preferably, described device also includes:
Shade more new module, for when viewing person's positional information that dual camera collects changes, according to currently
The profile information collected and positional information generate the shade of new viewing person, and update screen with the shade of described new viewing person
The shade of the viewing person formerly having shown that on curtain.
Preferably, described device also includes:
Virtual light source arranges module, includes the virtual light source distance to screen, the intensity of virtual light source for arranging parameter
With in the angle of virtual light source or multinomial；Wherein, user is the size of the initial shade produced in display screen, along with
Described virtual light source changes to the adjustment of the distance of screen；The transparency of the shade that user produces in display screen, along with
Described virtual light source changes to the adjustment of the distance of screen；The angle excursion of the shade that user produces in display screen, along with
The reflection that the angle of described virtual light source presents accordingly.
Preferably, described device also includes:
Viewing person confirms module, is used for gathering face information, confirms that face information meets the user of viewing demand for described
Viewing person；Wherein, meet viewing demand to include: the focus direction of human eye be display screen and/or face be oriented display screen
Curtain.
The third aspect, the embodiment of the present invention additionally provides a kind of device controlling viewing distance, including:
Memorizer, is used for storing one or more program；
Processor, is used for performing one or more than one program；Perform claim first aspect any one
The described method step controlling viewing distance.
Compared with prior art, the beneficial effects of the present invention is: the embodiment of the present invention completes viewing by dual camera
The collection of the positional information of person, and thus generate objects interfered, it is possible to help viewing person to confirm that its viewing state is already at shadow
Ring it healthy, and by producing the objects interfered affecting its normal viewing, thus allow viewing person produce return normal (healthy) and see
The inspiration of shadow state and power.
[accompanying drawing explanation]
Fig. 1 is a kind of method flow schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Fig. 2 is a kind of method flow schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Fig. 3 is a kind of method flow schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Fig. 4 is a kind of shadow generation schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Fig. 5 is a kind of shadow generation schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Fig. 6 is the dual camera model top view that the embodiment of the present invention provides；
Fig. 7 is the dual camera model three-dimensional view that the embodiment of the present invention provides；
Fig. 8 is a kind of apparatus structure schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Fig. 9 is a kind of apparatus structure schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Figure 10 is a kind of apparatus structure schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Figure 11 is a kind of apparatus structure schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Figure 12 is a kind of apparatus structure schematic diagram controlling viewing distance that the embodiment of the present invention provides；
Figure 13 is a kind of apparatus structure schematic diagram controlling viewing distance that the embodiment of the present invention provides.
[detailed description of the invention]
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
As long as additionally, technical characteristic involved in each embodiment of invention described below is the most not
The conflict of composition just can be mutually combined.
The present invention in analyzing prior art, a kind of method that effective control viewing person's viewing distance is not provided
In the case of, copy the shadow formation principle of the Nature, coordinate positional information and the profile information of the collection of dual camera, generate foot
With the shade allowing user mix the spurious with the genuine, for sheltering from the video content of relevant position.In various embodiments of the present invention, give respectively
Give by the way of viewing person's shade that positional information and profile information generate " truly ", and combined by positional information dry
Disturb the mode of object.Both effects cut both ways, and the former is the truest, but the computing capability for intelligent terminal requires relatively
High；The latter can use the objects interfered of similar cartoon task, for the audient of similar child, perhaps can produce imaginary
Less than effect.It follows that will illustrate that the present invention's implements content especially by different embodiments.
Embodiment 1:
The embodiment of the present invention additionally provides a kind of method controlling viewing distance, the embodiment that compares 1 embodiment of the present invention
Utilize the shade in objects interfered alternate embodiment 1, be applicable to child as the specific environment of viewing person, may be able to produce
The unimaginable effect of business, as it is shown in figure 1, described method includes:
In step 201, gathering viewing person's relevant information by dual camera, wherein, described relevant information includes viewing
Person's positional information.
In step 202., when the positional information of described viewing person meets predetermined threshold value, in display screen, correspondence position is raw
Becoming objects interfered, described objects interfered is for blocking the some or all of content of currently playing video content.
Wherein, objects interfered can be to be that various cartoon figure's mode presents, and preferred described cartoon figure is with one band
The mode of animation reminds viewing person away from display screen；Objects interfered can also be a kind of shade simulating actual response viewing person
Mode present, which will specifically be launched to describe in subsequent embodiment 2.
The embodiment of the present invention completes the collection of the positional information of viewing person by dual camera, and it is right thus to generate interference
As, it is possible to its viewing state is healthy already at affecting it to help viewing person to confirm, and affects its normal viewing by producing
Objects interfered, thus allow viewing person produce inspiration and the power returning normal (healthy) viewing state.
Embodiment 2:
The embodiment of the present invention 2 provides a kind of method controlling viewing distance, and in embodiments of the present invention, described interference is right
As being embodied in the shade of viewing person, as in figure 2 it is shown, described method includes:
In step 301, gathering viewing person's relevant information by dual camera, wherein, described relevant information includes viewing
Person's profile information and positional information.
Wherein, described dual camera can be mounted in the TV resource access terminals such as similar sky cat box, Huawei's box,
Can also be to be directly installed on intelligent television, it is also possible to be mounted on other third party intelligent terminal.
In step 302, when the positional information of described viewing person meets predetermined threshold value, according to described profile information and position
Confidence breath correspondence position in display screen generates the shade of viewing person, and described shade is for blocking currently playing video content
Some or all of content.
During specifically realizing, the shade of described generation viewing person can be to be mode one: generates in real time, is i.e. sending out
The shade of viewing person is again generated and for updating shade formerly after the positional information change of raw user；It can also be mode
Two: after gathering several core point by dual camera, automatically generate multiple position and the shade of angle on backstage and be saved in
In shade storehouse, wherein, described several core point includes front angle and/or flank angle.
Wherein, mode one is higher for the reduction degree of shade, it is possible to experience more really to viewing person；And second mode subtracts
Lack the computational burden of intelligent terminal, multiple positions of generating according to described core point for child audient and angle
Shade the most enough meets use demand.
The embodiment of the present invention completes positional information and the collection of profile information of viewing person by dual camera, and thus gives birth to
Become the shade that can react time of day, it is possible to helping viewing person to confirm that its viewing state has produced affects its normal viewing
Shade, thus give viewing person and produce inspiration and the power returning normal viewing state.By a kind of the most receptible the moon of people
Unsound viewing custom is any limitation as and corrects by shadow, meets the natural law, and is easily accepted.
There is the possibility of change in the state due to viewing person, especially when the positional information of viewing person is beyond described default threshold
During value, display screen will no longer be shown the shade being covered on video content, therefore, in conjunction with the embodiment of the present invention, have one
Plant preferred implementation, as it is shown on figure 3, described method also includes:
In step 303, when viewing person's positional information that dual camera collects changes, according to currently collecting
Profile information and positional information generate the shade of new viewing person, and with on the shade renewal screen of described new viewing person
Shade through the viewing person formerly of display.
In step 304, when the positional information of viewing person is beyond described predetermined threshold value, display screen will no longer be shown
The shade being covered on video content.
Generated shade mode for what the embodiment of the present invention proposed according to profile information and positional information, have the shade must
Need the setting of light source.For the embodiment of the present invention, described light source can be intelligent terminal's default setting, on the other hand,
In order to improve the customized demand of user, the virtual light source additionally providing shade in the alternative of the embodiment of the present invention is arranged,
Wherein, the parameter that arranges of described virtual light source includes virtual light source distance, the intensity of virtual light source and virtual light source to screen
Angle in one or multinomial, concrete:
User is the size of the initial shade produced in display screen, along with the adjustment of the distance of described virtual light source to screen
And change；
The transparency of the shade that user produces in display screen, along with the adjustment of the distance of described virtual light source to screen
And change；
The angle excursion of the shade that user produces in display screen, along with the angle of described virtual light source presents accordingly
Reflection.
It is emphasized that the hatching effect in order to restore one " truly ", and in user to be met, screen be the nearest,
The shade that coordinates light source and viewing person's own profile to produce on the display screen is the biggest, and (such viewing person just can be appreciated that away from screen
Could eliminate normally viewing after shade to predetermined threshold value is outer), therefore, embodiments provide a kind of attainable light source,
Display screen, viewing person's three's position relation figure.As shown in Figure 4, producing of shade is shone by the virtual light source of display screen behind
Produce after being mapped to viewing person's mirror image, wherein, between viewing person's mirror image and described viewing person, keep fixed range D, described viewing person
Mirror image keeps and described viewing person's profile information realtime uniform.So just can produce bigger near display screen along with viewing person
Shade (as shown in Figure 5), the shade then produced away from display screen as viewing person will reduce.As it is shown in figure 5, what it was arranged
Parameter ensure that viewing person is when near TV, it is possible to generates a shade that be enough to cover whole display screen.Certainly, real
Border situation can arrange virtual light source according to the demand of user and complete the setting of final shade size to the distance of screen, and cloudy
The change speed of shadow size then can be completed by the size arranging distance D, as shown in Figure 4 and Figure 5, at identical virtual light source
In the case of, it is the biggest that the parameter value of distance D is arranged, and the initial shade size generated when meeting predetermined threshold value is the biggest and described
Shade is the fastest near the change speed of screen with viewing person.
During the embodiment of the present invention realizes, further relate to a kind of use scene, i.e. have third party non-viewing user from aobvious
It is out-of-date to walk before display screen curtain, is to need to identify this third party non-viewing user for preferred scheme, and is got rid of generation the moon
The row of shadow category.Therefore, in conjunction with the embodiment of the present invention, there is a kind of preferably implementation, described method also includes:
By camera collection face information, confirming that face information meets the user of viewing demand is described viewing person；Right
Do not meet the user of viewing demand in face information, confirm as objects interfered.Wherein, meet viewing demand to include: gathering of human eye
Burnt direction be display screen and/or face be oriented display screen.Wherein, objects interfered is not generated to corresponding shade.
Embodiment 3:
The embodiment of the present invention is specifically for explaining the principle of dual camera range finding, as shown in Figure 6, the positional information of viewing person
In viewing person to the concrete Z of screen, be calculated especially by equation below:
It is derived by:
In OpenCV, the dimension of f is pixel, and the dimension of T is by calibrating tessellated actual size and user input values
Determine, be the most always set as millimeter, improve it can also be provided that 0.1 millimeter of magnitude, d=x of course for precisionl-xrDimension also
It it is pixel.Therefore molecule denominator is divided out, and the dimension of z is same with T-phase
Further, explain dual camera by Fig. 6 and obtain the principle of certain some three-dimensional coordinate in space.
What actual coordinate calculated utilization is all the principle of similar triangles, and its expression formula is just as shown in Q matrix.
Derive
In space, the three-dimensional coordinate of certain point is exactly (X/W, Y/W, Z/W).Therefore, in order to accurately try to achieve certain point in three-dimensional
Distance in space, it would be desirable to the parameter of acquisition has focal distance f, parallax d, photographic head centre-to-centre spacing T.
If also needing to obtain X-coordinate and Y coordinate, then also need to the coordinate system additionally knowing left and right image plane with
The skew c of initial point in three-dimensional coordinate systemxAnd cy.Wherein, f, T, cxAnd cyInitial value can be obtained by stereo calibration, and pass through
Stereo calibration optimizes so that two photographic head are mathematically substantially parallel placement, and the c of left and right photographic headx,cyIdentical with f
(namely realize about Fig. 6 view and be substantially parallel the ideal form of alignment).And the work that Stereo matching is done, it is simply that before
On the basis of, ask for last variable: parallax d (this d is it is generally required to reach sub-pixel precision).Thus be finally completed and ask one
Preparation required for individual some three-dimensional coordinate.
Embodiment 4:
The embodiment of the present invention additionally provides a kind of device controlling viewing distance, as shown in Figure 8, and including:
Dual camera acquisition module, is used for gathering viewing person's relevant information, and wherein, described relevant information includes viewing person position
Confidence ceases；
Objects interfered generation module, for when the positional information of described viewing person meets predetermined threshold value, in display screen
Correspondence position generates objects interfered, and described objects interfered is for blocking the some or all of interior of currently playing video content
Hold.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, described relevant information also includes the wheel of viewing person
Wide information, described objects interfered is specially the shade of viewing person, as it is shown in figure 9, the most described device also includes:
Shadow generation module, generates viewing for the correspondence position in display screen according to described profile information and positional information
The shade of person, described shade is for blocking the some or all of content of currently playing video content.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, as shown in Figure 10, described device also includes:
Shade more new module, for when viewing person's positional information that dual camera collects changes, according to currently
The profile information collected and positional information generate the shade of new viewing person, and update screen with the shade of described new viewing person
The shade of the viewing person formerly having shown that on curtain.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, as shown in figure 11, described device also includes:
Virtual light source arranges module, includes the virtual light source distance to screen, the intensity of virtual light source for arranging parameter
With in the angle of virtual light source or multinomial；Wherein, user is the size of the initial shade produced in display screen, along with
Described virtual light source changes to the adjustment of the distance of screen；The transparency of the shade that user produces in display screen, along with
Described virtual light source changes to the adjustment of the distance of screen；The angle excursion of the shade that user produces in display screen, along with
The reflection that the angle of described virtual light source presents accordingly.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, as shown in figure 12, described device also includes:
Viewing person confirms module, is used for gathering face information, confirms that face information meets the user of viewing demand for described
Viewing person；Face information is not met to the user of viewing demand, confirm as objects interfered.Wherein, meet viewing demand to include:
The focus direction of human eye be display screen and/or face be oriented display screen.
Embodiment 5:
The embodiment of the present invention additionally provides a kind of device controlling viewing distance, as shown in figure 13, and including:
Memorizer, is used for storing one or more program；
Processor, is used for performing one or more than one program；Perform the control described in embodiment 1 any one
The method step of viewing distance.
What deserves to be explained is, the information between said apparatus and intrasystem module, unit is mutual, in execution process etc.
Holding, owing to the processing method embodiment with the present invention is based on same design, particular content can be found in the inventive method embodiment
Narration, here is omitted.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of embodiment is to lead to
Program of crossing completes to instruct relevant hardware, and this program can be stored in a computer-readable recording medium, storage medium
May include that read only memory (ROM, Read Only Memory), random access memory (RAM, Random Access
Memory), disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (11)
1. the method controlling viewing distance, it is characterised in that described method includes:
Gathering viewing person's relevant information by dual camera, wherein, described relevant information includes viewing person's positional information；
When the positional information of described viewing person meets predetermined threshold value, in display screen, correspondence position generates objects interfered, described
Objects interfered is for blocking the some or all of content of currently playing video content.
Method the most according to claim 1, it is characterised in that described relevant information also includes the profile information of viewing person,
Described objects interfered is specially the shade of viewing person, then in display screen, correspondence position generates objects interfered, specifically includes:
According to described profile information and positional information, correspondence position in display screen generates the shade of viewing person, and described shade is used for
Block the some or all of content of currently playing video content.
Method the most according to claim 2, it is characterised in that described method also includes:
When viewing person's positional information that dual camera collects changes, according to the profile information currently collected and position
Information generates the shade of new viewing person, and updates the sight formerly having shown that on screen with the shade of described new viewing person
The shade of shadow person.
Method the most according to claim 2, it is characterised in that described method also includes that the virtual light source of shade is arranged, institute
The parameter that arranges stating virtual light source includes that virtual light source is in the angle of distance, the intensity of virtual light source and the virtual light source of screen
One or multinomial, concrete:
User is the size of the initial shade produced in display screen, changes along with the adjustment of distance of described virtual light source to screen
Become；
The transparency of the shade that user produces in display screen, changes along with the adjustment of distance of described virtual light source to screen
Become；
The angle excursion of the shade that user produces in display screen, along with the angle of described virtual light source present accordingly anti-
Reflect.
Method the most according to claim 2, it is characterised in that described method also includes:
By camera collection face information, confirming that face information meets the user of viewing demand is described viewing person；Wherein, symbol
Close viewing demand to include: the focus direction of human eye be display screen and/or face be oriented display screen.
6. the device controlling viewing distance, it is characterised in that including:
Dual camera acquisition module, is used for gathering viewing person's relevant information, and wherein, described relevant information includes that viewing person position is believed
Breath；
Objects interfered generation module is for when the positional information of described viewing person meets predetermined threshold value, corresponding in display screen
Position generates objects interfered, and described objects interfered is for blocking the some or all of content of currently playing video content.
Device the most according to claim 6, it is characterised in that described relevant information also includes the profile information of viewing person,
Described objects interfered is specially the shade of viewing person, and the most described device also includes:
Shadow generation module, generates viewing person's for the correspondence position in display screen according to described profile information and positional information
Shade, described shade is for blocking the some or all of content of currently playing video content.
Device the most according to claim 7, it is characterised in that also include
Shade more new module, for when viewing person's positional information that dual camera collects changes, gathers according to current
The profile information arrived and positional information generate the shade of new viewing person, and update on screen with the shade of described new viewing person
The shade of the viewing person formerly having shown that.
Device the most according to claim 7, it is characterised in that also include:
Virtual light source arranges module, includes virtual light source distance, the intensity of virtual light source and void to screen for arranging parameter
Intend light source angle in one or multinomial；Wherein, user is the size of the initial shade produced in display screen, along with described
Virtual light source changes to the adjustment of the distance of screen；The transparency of the shade that user produces in display screen, along with described
Virtual light source changes to the adjustment of the distance of screen；The angle excursion of the shade that user produces in display screen, along with described
The reflection that the angle of virtual light source presents accordingly.
Device the most according to claim 7, it is characterised in that also include:
Viewing person confirms module, is used for gathering face information, and confirming that face information meets the user of viewing demand is described viewing
Person；Wherein, meet viewing demand to include: the focus direction of human eye be display screen and/or face be oriented display screen.
11. 1 kinds of devices controlling viewing distance, it is characterised in that including:
Memorizer, is used for storing one or more program；
Processor, is used for performing one or more than one program；Perform the control described in claim 1-5 any one
The method step of viewing distance.
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| CN105657396A (en) * | 2015-11-26 | 2016-06-08 | 乐视致新电子科技（天津）有限公司 | Video play processing method and device |
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