CN104683867A - Method and device for reconfiguring video playing parameter and video playing equipment - Google Patents

Method and device for reconfiguring video playing parameter and video playing equipment Download PDF

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Publication number
CN104683867A
CN104683867A CN201510129330.5A CN201510129330A CN104683867A CN 104683867 A CN104683867 A CN 104683867A CN 201510129330 A CN201510129330 A CN 201510129330A CN 104683867 A CN104683867 A CN 104683867A
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China
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parameter
eyes
actual
viewing distance
lateral shift
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CN201510129330.5A
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Chinese (zh)
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何健
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Samsung Electronics China R&D Center
Samsung Electronics Co Ltd
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Samsung Electronics China R&D Center
Samsung Electronics Co Ltd
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Priority to CN201510129330.5A priority Critical patent/CN104683867A/en
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Abstract

The invention discloses a method and a device for reconfiguring a video playing parameter and video playing equipment. According to the embodiment, the method comprises the following steps: in a video playing process, acquiring an actual watch distance parameter; acquiring a preset reference parameter for video playing, wherein the reference parameter at least comprises a reference watch distance parameter and a reference picture area parameter; reconfiguring the picture area parameter according to the reference parameter and the actual watch distance parameter, wherein the ratio of the actual watch distance parameter and the reference watch distance parameter is the same as that of the reconfigured picture area parameter and the reference picture area parameter. According to the embodiment, the picture area for video playing can be automatically adjusted.

Description

Reshuffle the method for video playback parameter, device and video playback apparatus
Technical field
The application relates to field of computer technology, is specifically related to multimedia field, particularly relates to method, device and the video playback apparatus of reshuffling video playback parameter.
Background technology
User, when the video that diverse location viewing display is play, in order to ensure viewing effect, can arrange different picture display areas usually.As, when when the position viewing far away apart from display, usually can increase the display area of picture, when when the position viewing nearer apart from display, usually can reduce the display area of picture.But in above process, user needs to perform operation frequently and adjusts picture area, brings very big inconvenience to user.
Summary of the invention
For the problems referred to above, the application provides a kind of method, device and video playback apparatus of reshuffling video playback parameter.
First aspect, provides a kind of method of reshuffling video playback parameter, comprising:
In video display process, obtain actual viewing distance parameter;
Obtain the reference parameter of the video playback pre-set, described reference parameter at least comprises: with reference to viewing distance parameter, with reference to picture area parameters;
According to described with reference to parameter and described actual viewing distance parameter, reshuffle picture area parameters, wherein, described actual viewing distance parameter and the described ratio with reference to viewing distance parameter are identical with the described ratio with reference to picture area parameters with the picture area parameters after reshuffling.
In some implementations, the actual viewing distance parameter of described acquisition, comprising: gather eyes location parameter by eyes collecting device; According to described eyes location parameter, obtain described actual viewing distance parameter.
In some implementations, described in reshuffle picture area parameters, comprising: according to relational expression calculate described S; Judge whether described S is greater than display area; If be less than or equal to described display area, then picture area parameters reprovision is set to described S; If be greater than described display area, then export viewing distance adjustment message; Wherein, described S' is described with reference to picture area parameters, described D 1for described actual viewing distance parameter, described D 1' be with reference to viewing distance parameter.
In some implementations, described reference parameter also comprises: with reference to lateral shift parameter;
Described method also comprises: according to described eyes location parameter, obtains the actual lateral shift parameter of eyes; Detect the operation that reference lateral shift parameter is reshuffled in instruction; If described operation detected, then in response to described operation, be set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration; If described operation do not detected, then judge whether described actual lateral shift parameter is greater than with reference to lateral shift parameter; If be greater than with reference to lateral shift parameter, then export horizontal viewing location adjustment message.
In some implementations, described eyes location parameter comprises: the angle parameter between eyes collection direction and display screen and eyes gather distance parameter, wherein, described eyes gather direction comprise eyes collecting device respectively with eyes institute direction linearly, described eyes collection distance parameter comprises the distance parameter of described eyes collecting device respectively and between eyes.
In some implementations, described according to described eyes location parameter, obtain the actual lateral shift parameter of eyes, comprising: according to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/described actual lateral shift parameter of 2 calculating; Wherein, described D 2for described actual lateral shift parameter, described D 0lfor the distance parameter between described eyes collecting device and left eye, described A 0lfor described eyes collecting device and left eye direction linearly, and the angle parameter between described display screen, described D 0rfor the distance parameter between described eyes collecting device and right eye, described A 0rfor described eyes collecting device and right eye direction linearly, and the angle parameter between described display screen.
In some implementations, be describedly set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration, comprise: judge whether described actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly; If be less than or equal to described predetermined integers doubly, be then set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration; If be greater than described predetermined integers doubly, then export horizontal viewing location adjustment message.
In some implementations, described reference parameter also comprises: with reference to volume of reception parameter;
Described method also comprises: obtain current actual temperature parameter; According to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter; Wherein, described V sfor the output volume parameter after reshuffling, described Func () is Func function, described D 1for described actual viewing distance parameter, described V d' be described reference volume of reception parameter, described T is described actual temperature parameter.
In some implementations, the reference parameter of the video playback that described acquisition pre-sets, comprising: obtain with reference to output volume parameter and reference temperature(TR) parameter; According to described relational expression V d'=Func (V s', D 1', T') calculate described reference volume of reception parameter; Wherein, described V s' be with reference to output volume parameter, described D 1' be described reference viewing distance parameter, described V d' be described reference volume of reception parameter, described T' is described actual temperature parameter.
In some implementations, described reference parameter also comprises: predetermined amount of time parameter;
Described method also comprises: if do not collect described eyes location parameter within a predetermined period of time, then suspend and play described video.
Second aspect, provides a kind of device of reshuffling video playback parameter, comprising:
Acquiring unit, is configured in video display process, obtains actual viewing distance parameter; Obtain the reference parameter of the video playback pre-set, described reference parameter at least comprises: with reference to viewing distance parameter, with reference to picture area parameters;
Reshuffle unit, be configured for the described reference parameter and described actual viewing distance parameter that obtain according to described acquiring unit, reshuffle picture area parameters, wherein, described actual viewing distance parameter and the described ratio with reference to viewing distance parameter are identical with the described ratio with reference to picture area parameters with the picture area parameters after reshuffling.
In some implementations, described acquiring unit is configured for and obtains actual viewing distance parameter by following: gather eyes location parameter by eyes collecting device; According to described eyes location parameter, obtain described actual viewing distance parameter.
In some implementations, described in reshuffle unit, comprising: computing module, be configured for according to relational expression calculate described S; First judge module, is configured for and judges whether the described S that described computing module calculates is greater than display area; First reconfiguration module, judges to be less than or equal to described display area if be configured for described first judge module, then picture area parameters reprovision is set to the described S that described computing module calculates; First output module, judges to be greater than described display area if be configured for described first judge module, then export viewing distance adjustment message; Wherein, described S' is described with reference to picture area parameters, described D 1for described actual viewing distance parameter, described D 1' be with reference to viewing distance parameter.
In some implementations, the described reference parameter that described acquiring unit obtains also comprises: with reference to lateral shift parameter;
Described acquiring unit, is also configured for according to described eyes location parameter, obtains the actual lateral shift parameter of eyes;
Described device also comprises: detecting unit, is configured for and detects the operation that reference lateral shift parameter is reshuffled in instruction; Judging unit, if be configured for described detecting unit described operation not detected, then judges whether the described actual lateral shift parameter that described acquiring unit obtains is greater than with reference to lateral shift parameter; Output unit, judges to be greater than with reference to lateral shift parameter if be configured for described judging unit, then export horizontal viewing location adjustment message; Describedly reshuffle unit, if be also configured for described detecting unit described operation to be detected, then in response to described operation, be set to reference to lateral shift parameter reconfiguration the described actual lateral shift parameter that described acquiring unit obtains.
In some implementations, the described eyes location parameter that described acquiring unit obtains comprises: the angle parameter between eyes collection direction and display screen and eyes gather distance parameter, wherein, described eyes gather direction comprise eyes collecting device respectively with eyes institute direction linearly, described eyes collection distance parameter comprises the distance parameter of described eyes collecting device respectively and between eyes.
In some implementations, described acquiring unit is configured for by following according to described eyes location parameter, the actual lateral shift parameter of acquisition eyes: according to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/described actual lateral shift parameter of 2 calculating; Wherein, described D 2for described actual lateral shift parameter, described D 0lfor the distance parameter between described eyes collecting device and left eye, described A 0lfor described eyes collecting device and left eye direction linearly, and the angle parameter between described display screen, described D 0rfor the distance parameter between described eyes collecting device and right eye, described A 0rfor described eyes collecting device and right eye direction linearly, and the angle parameter between described display screen.
In some implementations, described in reshuffle unit, comprising: the second judge module, be configured for and judge whether described actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly; Second reconfiguration module, judges to be less than or equal to described predetermined integers doubly if be configured for described second judge module, is then set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration; Second output module, judges to be greater than described predetermined integers doubly if be configured for described second judge module, then exports horizontal viewing location adjustment message.
In some implementations, the described reference parameter that described acquiring unit obtains also comprises: with reference to volume of reception parameter; Described acquiring unit, is also configured for and obtains current actual temperature parameter; Describedly reshuffle unit, be also configured for according to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter; Wherein, described V sfor the output volume parameter after reshuffling, described Func () is Func function, described D 1for described actual viewing distance parameter, described V d' be described reference volume of reception parameter, described T is described actual temperature parameter.
In some implementations, described acquiring unit is configured for the reference parameter by obtaining the video playback pre-set as follows: obtain with reference to output volume parameter and reference temperature(TR) parameter; According to described relational expression V d'=Func (V s', D 1', T') calculate described reference volume of reception parameter; Wherein, described V s' be with reference to output volume parameter, described D 1' be described reference viewing distance parameter, described V d' be described reference volume of reception parameter, described T' is described actual temperature parameter.
In some implementations, the reference parameter that described acquiring unit obtains also comprises: predetermined amount of time parameter;
Described device also comprises: suspend broadcast unit, if be configured for described acquiring unit not collect described eyes location parameter within a predetermined period of time, then suspend and plays described video.
The third aspect, provides a kind of video playback apparatus, comprising: memory, processor;
Wherein, described memory, is configured for the reference parameter storing the video playback pre-set under the control of described processor, and described reference parameter at least comprises: with reference to viewing distance parameter, with reference to picture area parameters;
Described processor, is configured in video display process, obtains actual viewing distance parameter; Obtain described with reference to parameter from described memory; According to described with reference to parameter and described actual viewing distance parameter, reshuffle picture area parameters, wherein, described actual viewing distance parameter and the described ratio with reference to viewing distance parameter are identical with the described ratio with reference to picture area parameters with the picture area parameters after reshuffling.
In the embodiment that the application provides, in video display process, obtain the actual viewing distance parameter of user, in addition, also obtain reference viewing distance parameter and the reference picture area parameters of the video playback pre-set; According to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically picture area parameters is reshuffled, wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.With prior art, the manual setting screen area parameters of user is needed to compare, the application manually reshuffles picture area without the need to user, but by video playback apparatus according to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically reshuffle, bring facility to user.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 shows the flow chart of an embodiment of the method for video playback parameter of reshuffling that the application provides;
Fig. 2 show that the application provides arranging the schematic diagram with reference to eyes during parameter and television set;
Fig. 3 shows the flow chart of the another kind of embodiment of the method for video playback parameter of reshuffling that the application provides;
The schematic diagram of eyes and television set when obtaining actual viewing distance parameter that Fig. 4 shows that the application provides;
Fig. 5 shows the flow chart being set to a kind of embodiment of actual lateral shift parameter with reference to lateral shift parameter reconfiguration that the application provides;
The flow chart of a kind of embodiment with reference to volume of reception parameter that the acquisition that Fig. 6 shows the application to be provided pre-sets;
Fig. 7 shows the structural representation of reshuffling a kind of embodiment of the device of video playback parameter that the application provides;
Fig. 8 shows the structural representation of a kind of embodiment of the video playback apparatus that the application provides.
Embodiment
Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining related invention, but not the restriction to this invention.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant to Invention.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
The application provides an embodiment of the method for reshuffling video playback parameter, and this embodiment can be applied in video playback apparatus.Wherein, video playback apparatus can be the equipment comprising large scale display screen, e.g., can be panel computer, pocket computer on knee, desktop computer or television set etc.Describe object and for simplicity for example, in ensuing discussion, describe the exemplary embodiment of the application in conjunction with television set.
Please refer to Fig. 1, it illustrates the flow chart of an embodiment of the method for video playback parameter of reshuffling that the application provides.As shown in Figure 1, the method for reshuffling video playback parameter can comprise step 110 to step 130.
Concrete, in step 110, in video display process, obtain actual viewing distance parameter.
User is when watching the video of television for play, and separated by a distance between television set, and this distance is actual viewing distance.
In the present embodiment, television set can be, but not limited to by collecting device, as eyes collecting device etc., identifies, and obtains the distance parameter between collecting device and user, and then obtain actual viewing distance parameter according to this distance parameter to user.Wherein, collecting device can be the equipment of television internal, or, can also be the equipment independent of television set.In a further embodiment, collecting device can include but not limited to: infrared sensor, front-facing camera etc.
In the step 120, the reference parameter of the video playback pre-set is obtained.
At least can comprise with reference to parameter: with reference to viewing distance parameter, with reference to picture area parameters.Wherein, with reference to viewing distance parameter characterization user when watching video, and the reference viewing distance between television set, reference picture area parameters can characterize reference picture area during display screen displaying video.
In a further embodiment, match with reference to picture area parameters with reference to viewing distance parameter.Such as, if be A with reference to viewing distance parameter, be B with reference to picture area parameters, then when user be positioned at watch video with display screen at a distance of the position of A time, the optimum picture area parameters of displaying video is B.
In a further embodiment, can be predetermined parameter with reference to parameter, or, can also be that user is arranged.
Such as, user can start television for play function; Then, user can be positioned at a viewing location thinking the most comfortable, and starts with reference to parameter setting function; Now, eyes collecting device gathers the location parameter of user's eyes, and obtains the distance parameter between eyes collecting device and eyes according to eyes location parameter; Finally, obtain with reference to viewing distance parameter according to this distance parameter.In addition, user can also manually by picture rea adjusting to optimum value, and this optimum value can be set to reference to picture area.
In one implementation, please refer to Fig. 2, it illustrates that the application provides arranging the schematic diagram with reference to eyes during parameter and television set.As shown in Figure 2, television set 210 can according to relational expression D 1'=[D 0l' * sin (A 0l')+D 0r' * sin (A 0r')]/2 calculating reference viewing distance parameters.Wherein, D 1' be with reference to viewing distance parameter, D 0l' be the distance between left eye 230 and eyes collecting device 220, A 0l' for left eye 230 and eyes collecting device 220 be straight line 240 direction and display screen 211 between angle, D 0r' be the distance between right eye 250 and eyes collecting device 220, A 0r' angle between right eye 250 and eyes collecting device 220 straight line 260 direction that is and display screen 211.
Content according to Fig. 2 and relational expression D 1'=[D 0l' * sin (A 0l')+D 0r' * sin (A 0r')]/2 known, television set can be the half of the distance between left eye and display screen, the distance sum between right eye and display screen with reference to viewing distance optimum configurations.Determine with reference to viewing distance parameter according to the distance parameter between eyes and display screen, add the accuracy with reference to viewing distance parameter of acquisition.
The present embodiment is not construed as limiting the method obtained with reference to viewing distance parameter, and being not limited to the above-mentioned content enumerated, can also be additive method.
Such as, in another implementation, television set can be set to the half of the distance between left eye and eyes collecting device, the distance sum between right eye and eyes collecting device with reference to viewing distance; Or, the distance that television set can also be set between eyes centre position and eyes collecting device with reference to viewing distance.
In the third realizes, if the Distance geometry right eye between left eye with eyes collecting device is identical with the distance between eyes collecting device, then television set can be, but not limited to be set to the distance between left eye and eyes collecting device or the distance between right eye and eyes collecting device with reference to viewing distance; If the Distance geometry right eye between left eye from eyes collecting device is different with the distance between eyes collecting device, then can arrange with reference to viewing distance interval, the higher limit in this interval can be set to the numerical value of distance maximum in above-mentioned two distances, and the lower limit in this interval can be set to the numerical value of distance minimum in above-mentioned two distances.Television set can be any number in this interval with reference to viewing distance optimum configurations.
What deserves to be explained is, in the present embodiment, step 120 is not limited to perform after step 110, can also perform before step 110, or can also perform with step 110, concrete executive mode can set according to actual needs simultaneously.
Return Fig. 1, in step 130, according to reference to parameter and actual viewing distance parameter, reshuffle picture area parameters.
Wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.
In the present embodiment, television set according to reference to viewing distance parameter and the matching relationship with reference to picture area parameters, can reshuffle picture area parameters.Such as, if be A with reference to viewing distance parameter, actual viewing distance parameter is B, then the ratio between reference picture area parameters and real screen area parameters is A/B.If what obtain is A with reference to picture area parameters 1, then the picture area after reshuffling can be A 1* B/A.
In the present embodiment, in video display process, obtain the actual viewing distance parameter of user, in addition, also obtain reference viewing distance parameter and the reference picture area parameters of the video playback pre-set; According to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically picture area parameters is reshuffled, wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.With prior art, the manual setting screen area parameters of user is needed to compare, the application manually reshuffles picture area without the need to user, but by video playback apparatus according to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically reshuffle, bring facility to user.
The application provides the another kind of embodiment of the method for reshuffling video playback parameter.This embodiment is further expanding and optimizing the embodiment shown in Fig. 1.
Please refer to Fig. 3, it illustrates the flow chart of the another kind of embodiment of the method for video playback parameter of reshuffling that the application provides.As shown in Figure 3, the step 110 shown in Fig. 1 " in video display process, obtains actual viewing distance parameter " and can comprise step 310 and step 320 further.
Concrete, in the step 310, gather eyes location parameter by eyes collecting device.In step 320, according to eyes location parameter, obtain actual viewing distance parameter.
In a further embodiment, by eyes collecting device and eyes recognition technology, the eyes to user identify and parameter acquisition television set.If collect the eyes location parameter of user, then obtain the distance parameter between eyes collecting device and eyes according to eyes location parameter, specifically can comprise the distance parameter obtained between left eye and eyes collecting device, and the distance parameter between right eye and eyes collecting device; Then, actual viewing distance parameter is obtained according to the distance parameter between eyes and eyes collecting device.
In one implementation, please refer to Fig. 4, the schematic diagram of eyes and television set when obtaining actual viewing distance parameter that it illustrates that the application provides.As shown in Figure 4, television set 410 can according to relational expression D 1=[D 0l* sin (A 0l)+D 0r* sin (A 0r)]/actual viewing distance parameter of 2 calculating.Wherein, D 1for actual viewing distance parameter, D 0lfor the distance between left eye 430 and eyes collecting device 420, A 0langle between straight line 440 direction being for left eye 430 and eyes collecting device 420 and display screen 411, D 0rfor the distance between right eye 450 and eyes collecting device 420, A 0rangle between straight line 460 direction that right eye 450 and eyes collecting device 420 are and display screen 411.
Content according to Fig. 4 and relational expression D 1=[D 0l* sin (A 0l)+D 0r* sin (A 0r)]/2 known, actual viewing distance optimum configurations can be the half of the distance between left eye and display screen, the distance sum between right eye and display screen by television set.Determine actual viewing distance parameter according to the distance parameter between eyes and display screen, add the accuracy of the actual viewing distance parameter of acquisition.
The present embodiment is not construed as limiting the method obtaining actual viewing distance parameter, and being not limited to the above-mentioned content enumerated, can also be additive method.
Such as, in another implementation, actual viewing distance can be set to the half of the distance between left eye and eyes collecting device, the distance sum between right eye and eyes collecting device by television set; Or actual viewing distance can also be set to the distance between eyes centre position and eyes collecting device by television set.
In the third realizes, if the Distance geometry right eye between left eye with eyes collecting device is identical with the distance between eyes collecting device, then television set can be, but not limited to actual viewing distance to be set to the distance between left eye and eyes collecting device or the distance between right eye and eyes collecting device; If the Distance geometry right eye between left eye from eyes collecting device is different with the distance between eyes collecting device, it is interval that actual viewing distance then can be set, the higher limit in this interval can be set to the numerical value of distance maximum in above-mentioned two distances, and the lower limit in this interval can be set to the numerical value of distance minimum in above-mentioned two distances.Actual viewing distance optimum configurations can be any number in this interval by television set.
Return Fig. 3, the step 130 shown in Fig. 1 " according to reference to parameter and actual viewing distance parameter, reshuffles picture area parameters ", can comprise step 330 further to step 360.
Concrete, in a step 330, according to relational expression calculate S.
Wherein, S' is with reference to picture area parameters, D 1for actual viewing distance parameter, D 1' be with reference to viewing distance parameter.
In step 340, judge whether S is greater than display area; If be less than or equal to display area, then perform step 350, if be greater than display area, then perform step 360.
In step 350, picture area parameters reprovision is set to S.
Be appreciated that the picture area being applicable to user's viewing is larger when when the position viewing video far away apart from television set, otherwise, then less.Thus, if the area S calculated is less than or equal to display area, then illustrate that user is excessively not far away, can not carry out distance and reduce adjustment.Picture area parameters reprovision can be set to area S by television set simultaneously.And then, according to the relational expression in step 330 known, actual viewing distance parameter D 1with reference viewing distance parameter D 1' ratio, identical with the ratio with reference to picture area parameters S' with the picture area parameters S after reshuffling.
In a further embodiment, if the picture area after reshuffling is less than display area, then picture can be presented at the center of display screen by television set; Or in order to adding users is experienced, television set can also according to the eyes position adjustment picture position of user.Such as, if user is positioned at the left side of display screen, then picture can be presented at the left side of display screen by television set.In addition, the position of picture can also change along with the change of customer location.
In step 360, viewing distance adjustment message is exported.
Be appreciated that if the area S calculated is greater than display area, then illustrate that user distance television set is excessively far away, current distance is not suitable for watching TV, needs user to watch near television set.In one implementation, if judge that area S is greater than display area, then television set can export distance near adjustment message.Alternatively, television set can be, but not limited to export distance near adjustment message by following at least one mode: mode word, image mode, voice mode etc.
In a further embodiment, after television set exports viewing distance adjustment message, eyes collecting device can Real-time Collection eyes location parameter, when the area S calculated according to eyes location parameter is less than or equal to display area, picture area parameters reprovision can be set to this area S.Wherein, with reference to above-mentioned steps 310 to step 330 and step 120, can not repeat them here according to eyes location parameter reference area S.
In a further embodiment, television set can also be arranged with reference to lateral shift parameter, and then when user watches video, can judge that whether user lateral attitude is suitable, but if improper output lateral attitude adjustment message, to inform that user carries out lateral attitude adjustment.In this embodiment, the reference parameter that step 120 obtains can also include but not limited to: with reference to lateral shift parameter.
According to foregoing, please refer to Fig. 3.As shown in Figure 3, after the step 120 " the reference parameter of the video playback that acquisition pre-sets " shown in Fig. 1, the method can also comprise step 370 further to step 3110.
Concrete, in step 370, according to eyes location parameter, obtain the actual lateral shift parameter of eyes.
Alternatively, eyes location parameter can include but not limited to: the angle parameter between eyes collection direction and display screen and eyes gather distance parameter, wherein, eyes gather direction can comprise eyes collecting device respectively with eyes institute direction linearly, eyes collection distance parameter can comprise the distance parameter of eyes collecting device respectively and between eyes.
Such as, please refer to Fig. 4, television set can according to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/actual lateral shift parameter D of 2 calculating parameter 2.
Wherein, D 2for actual lateral shift parameter, D 0lfor the distance between left eye 430 and eyes collecting device 420, A 0langle between straight line 440 direction being for left eye 430 and eyes collecting device 420 and display screen 411, D 0rfor the distance between right eye 450 and eyes collecting device 420, A 0rangle between straight line 460 direction that right eye 450 and eyes collecting device 420 are and display screen 411.
Return Fig. 3, in step 380, detect the operation that reference lateral shift parameter is reshuffled in instruction, if operation detected, then perform step 390, if operation do not detected, then perform step 3100.
In one implementation, be similar to the method obtained with reference to viewing distance parameter, user can start television for play function; Then, user can be positioned at a viewing location thinking the most comfortable, when starting with reference to parameter setting function, television set just can detect that the operation with reference to lateral shift parameter is reshuffled in instruction, now, can perform step 390, otherwise, can step 3100 be performed.
In step 390, in response to the operation detected, be set to actual lateral shift parameter with reference to lateral shift parameter reconfiguration.
Alternatively, Fig. 5 shows the flow chart being set to a kind of embodiment of actual lateral shift parameter with reference to lateral shift parameter reconfiguration that the application provides.As shown in Figure 5, the step 390 shown in Fig. 3 " in response to the operation detected, is set to actual lateral shift parameter with reference to lateral shift parameter reconfiguration ", can comprise step 510 further to step 530.
Concrete, in step 510, judge whether actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly, if be less than or equal to the predetermined integers of the spacing of two doubly, then perform step 520, if be greater than the predetermined integers times of the spacing of two, then perform step 530.
Wherein, predetermined integers can be that television set is preset, and also can be arrange according to user operation.Predetermined integers can be, but not limited to be set to 4,5 etc.
In step 520, actual lateral shift parameter is set to reference to lateral shift parameter reconfiguration.
Such as, if actual lateral shift parameter is A, then television set can be set to A with reference to lateral shift parameter reconfiguration.
In step 530, horizontal viewing location adjustment message is exported.
Be appreciated that if actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly, then illustrate that the transversal displacement of the current residing position of user is excessive, need to carry out lateral attitude adjustment.Now, television set can export horizontal viewing location adjustment message automatically, to notify that user carries out lateral attitude adjustment.
In a further embodiment, after television set exports horizontal viewing location adjustment message, eyes collecting device can Real-time Collection eyes location parameter, when the actual lateral shift parameter calculated according to eyes location parameter is less than or equal to the predetermined integers times of the spacing of two, this actual lateral shift parameter can be set to reference to lateral shift parameter reconfiguration, and cancel display horizontal viewing location adjustment message.Wherein, calculate actual lateral shift parameter according to eyes location parameter with reference to above-mentioned steps 370, not repeat them here.
The present embodiment is not construed as limiting lateral attitude adjustment message, specifically can comprise the direction message being used to indicate user and needing to carry out transverse shifting, as being moved to the left or moving right.Further, can also comprise and be used to indicate the range message etc. that user carries out transverse shifting.The lateral attitude content of adjustment indicated by message specifically can set according to actual needs, and therefore not to repeat here.
Return Fig. 3, in step 3100, judge whether actual lateral shift parameter is greater than with reference to lateral shift parameter, if be greater than, then performed step 3110, if be less than or equal to, then can perform step 110.
Reference lateral shift parameter in this step can be that television set is predetermined, or, can also determine to step 390 according to step 370.
In step 3110, export horizontal viewing location adjustment message.
If television set is detect that the operation with reference to lateral shift parameter is reshuffled in instruction, then television set can determine according to the actual lateral shift parameter got whether the current lateral attitude of user meets the demands.If the actual lateral shift parameter got is greater than with reference to lateral shift parameter, then can illustrates that the transversal displacement of the current residing position of user is excessive, need to carry out lateral attitude adjustment.Now, television set can export horizontal viewing location adjustment message automatically, to notify that user carries out lateral attitude adjustment.
In a further embodiment, after television set exports horizontal viewing location adjustment message, eyes collecting device can Real-time Collection eyes location parameter, when the actual lateral shift parameter calculated according to eyes location parameter is less than or equal to the predetermined integers times of the spacing of two, cancel display horizontal viewing location adjustment message.
In a further embodiment, television set can also be arranged with reference to volume of reception parameter, and then when user watches video, automatically can adjust output volume.In this embodiment, the reference parameter that step 120 obtains can also include but not limited to: with reference to volume of reception parameter.
According to foregoing, please refer to Fig. 3.As shown in Figure 3, after the step 120 " the reference parameter of the video playback that acquisition pre-sets " shown in Fig. 1, the method can also comprise step 3120 and step 3130 further.
Concrete, in step 3120, obtain current actual temperature parameter.
In a further embodiment, television set can obtain current actual temperature parameter by internal or external temperature acquisition equipment.Said process is technology well known to those skilled in the art, and therefore not to repeat here.
In the present embodiment, output volume is the volume that television set and sound source export, and volume of reception is the volume that user position and receiving terminal receive.As everyone knows, sound from sound source by medium transmission to the process of receiving terminal in can there is loss, the volume causing receiving terminal to receive is different from the volume that sound source place exports.Wherein, the parameter affecting sound transmission at least can comprise temperature parameter, and thus, television set can obtain according to current temperature parameter and reshuffle output volume parameter.
In step 3130, according to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter.
Wherein, V sfor the output volume parameter after reshuffling, Func () is Func function, D 1for actual viewing distance parameter, V d' be that T is actual temperature parameter with reference to volume of reception parameter.Wherein, Func function is technology well known to those skilled in the art, and therefore not to repeat here; D 1obtain manner specifically can with reference in step 310 and step 320 record content.
In a further embodiment, owing to comprising with reference to volume of reception parameter with reference to parameter, therefore, the step 120 " the reference parameter of the video playback that acquisition pre-sets " shown in Fig. 1, can comprise further: obtain the reference volume of reception parameter pre-set.Reference volume of reception parameter can be that television set is preset, or, can also arrange according to user operation.
In one implementation, please refer to Fig. 6, the flow chart of a kind of embodiment with reference to volume of reception parameter that the acquisition that it illustrates the application provides pre-sets.As shown in Figure 6, step 120 " the reference parameter of the video playback that acquisition pre-sets ", can comprise step 610 and step 620 further.
Concrete, in step 610, obtain with reference to output volume parameter and reference temperature(TR) parameter.
In one implementation, with step 120 in obtain with reference to viewing distance parameter similar.Concrete, user can start television for play function; Then, user can be positioned at a viewing location thinking the most comfortable, and starts with reference to parameter setting function; Now, user can adjust the output volume of television set to optimum value, and is the optimum value that this output volume is sent out with reference to output volume optimum configurations.In addition, television set can also gather user arranging output volume to temperature parameter during optimum value by temperature acquisition equipment, and is set to the temperature parameter of this collection with reference to temperature parameter.
In step 620, according to relational expression V d'=Func (V s', D 1', T') calculate with reference to volume of reception parameter.
Wherein, V s' be with reference to output volume parameter, D 1' be with reference to viewing distance parameter, V d' be that T' is actual temperature parameter with reference to volume of reception parameter.Wherein, D 1' obtain manner can with reference in step 120 record related content.
In this step, according to foregoing, V s', D 1' and T' be known parameters, thus, television set can according to relational expression V d'=Func (V s', D 1', T') calculate with reference to volume of reception parameter V d'.
In a further embodiment, in order to reduce the triviality of user operation, if terminal does not detect the eyes location parameter of user within a predetermined period of time, then television set can automatic pause displaying video.In this embodiment, the reference parameter that step 120 obtains can also include but not limited to: predetermined amount of time parameter.
Return Fig. 3, according to foregoing, after step 310 " gathers eyes location parameter by eyes collecting device ", can also step 3140 be comprised further.
Concrete, in step 3140, if do not collect eyes location parameter within a predetermined period of time, then suspend displaying video.
In one implementation, predetermined amount of time can be default, also can arrange according to user operation.As, predetermined amount of time can be, but not limited to be set to: 3 minutes, 5 minutes etc.In addition, suspend displaying video to close for television set.
In a further embodiment, after time-out displaying video, if eyes collecting device collects eyes location parameter, then television set automatically can start and carry out video playback.
In another kind of embodiment, the eyes location parameter that television set can be gathered by eyes collecting device, determines whether the attitude of the current viewing TV of user does not satisfy condition, if do not satisfied condition, then exports pose adjustment message or suspends video playback.
Such as, if the eyes location parameter that detects characterizes eyes institute, the angle linearly and between horizontal direction is greater than predetermined angular, then explanation user is current may not be in upright posture; Or the angle linearly and between display screen is greater than predetermined angular if the eyes location parameter that detects characterizes eyes institute, then user is current may be in stravismus attitude in explanation.Thus, in order to ensure the health of user, television set, when detecting that the attitude of the current viewing TV of user does not satisfy condition, can export pose adjustment message or suspend video playback.
As the realization to said method embodiment, the application provides an embodiment of the device of reshuffling video playback parameter.Please refer to Fig. 7, it illustrates the structural representation of reshuffling a kind of embodiment of the device of video playback parameter that the application provides.
Concrete, as shown in Figure 7, the device 700 of reshuffling video playback parameter can comprise: acquiring unit 710 and reshuffle unit 720.
Wherein, acquiring unit 710, is configured in video display process, obtains actual viewing distance parameter; Obtain the reference parameter of the video playback pre-set, at least comprise with reference to parameter: with reference to viewing distance parameter, with reference to picture area parameters;
Reshuffle unit 720, be configured for the reference parameter and actual viewing distance parameter that obtain according to acquiring unit 710, reshuffle picture area parameters, wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.
In some implementations, acquiring unit 710 is configured for and obtains actual viewing distance parameter by following:
Eyes location parameter is gathered by eyes collecting device; According to eyes location parameter, obtain actual viewing distance parameter.
In some implementations, reshuffle unit 720, comprising:
Computing module 721, is configured for according to relational expression calculate S; First judge module 722, is configured for and judges whether the S that computing module 721 calculates is greater than display area; First reconfiguration module 723, judges to be less than or equal to display area if be configured for the first judge module 722, then picture area parameters reprovision is set to the S that computing module 721 calculates; First output module 724, judges to be greater than display area if be configured for the first judge module 722, then export viewing distance adjustment message.
Wherein, S' is with reference to picture area parameters, D 1for actual viewing distance parameter, D 1' be with reference to viewing distance parameter.
In some implementations, the reference parameter that acquiring unit 710 obtains also comprises: with reference to lateral shift parameter.
Acquiring unit 710, is also configured for according to eyes location parameter, obtains the actual lateral shift parameter of eyes.
The device 700 of reshuffling video playback parameter can also comprise: detecting unit 730, is configured for and detects the operation that reference lateral shift parameter is reshuffled in instruction; Judging unit 740, if be configured for detecting unit 730 operation not detected, then judges whether the actual lateral shift parameter that acquiring unit 710 obtains is greater than with reference to lateral shift parameter; Output unit 750, judges to be greater than with reference to lateral shift parameter if be configured for judging unit 740, then export horizontal viewing location adjustment message;
Reshuffle unit 720, if be also configured for detecting unit 730 operation to be detected, then in response to operation, be set to the actual lateral shift parameter of acquiring unit 710 acquisition with reference to lateral shift parameter reconfiguration.
In some implementations, the eyes location parameter that acquiring unit 710 obtains comprises: the angle parameter between eyes collection direction and display screen and eyes gather distance parameter, wherein, eyes gather direction comprise eyes collecting device respectively with eyes institute direction linearly, eyes collection distance parameter comprises the distance parameter of eyes collecting device respectively and between eyes.
In some implementations, acquiring unit 710 is configured for by following according to eyes location parameter, the actual lateral shift parameter of acquisition eyes:
According to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/actual lateral shift parameter of 2 calculating.
Wherein, D 2for actual lateral shift parameter, D 0lfor the distance parameter between eyes collecting device and left eye, A 0lfor eyes collecting device and left eye direction linearly, and the angle parameter between display screen, D 0rfor the distance parameter between eyes collecting device and right eye, A 0rfor eyes collecting device and right eye direction linearly, and the angle parameter between display screen.
In some implementations, reshuffle unit 720, comprising:
Second judge module 725, is configured for and judges whether actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly; Second reconfiguration module 726, judges to be less than or equal to predetermined integers doubly if be configured for the second judge module 725, is then set to actual lateral shift parameter with reference to lateral shift parameter reconfiguration; Second output module 727, judges to be greater than predetermined integers doubly if be configured for the second judge module 725, then exports horizontal viewing location adjustment message.
In some implementations, the reference parameter that acquiring unit 710 obtains also comprises: with reference to volume of reception parameter; Acquiring unit 710, is also configured for and obtains current actual temperature parameter; Reshuffle unit 720, be also configured for according to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter.
Wherein, V sfor the output volume parameter after reshuffling, Func () is Func function, D 1for actual viewing distance parameter, V d' be that T is actual temperature parameter with reference to volume of reception parameter.
In some implementations, acquiring unit 710 is configured for the reference parameter by obtaining the video playback pre-set as follows: obtain with reference to output volume parameter and reference temperature(TR) parameter; According to relational expression V d'=Func (V s', D 1', T') calculate with reference to volume of reception parameter.
Wherein, V s' be with reference to output volume parameter, D 1' be with reference to viewing distance parameter, V d' be that T' is actual temperature parameter with reference to volume of reception parameter.
In some implementations, the reference parameter that acquiring unit 710 obtains also comprises: predetermined amount of time parameter.
The device 700 of reshuffling video playback parameter can also comprise: suspend broadcast unit 760, if be configured for acquiring unit 710 not collect eyes location parameter within a predetermined period of time, then suspend displaying video.
Should be appreciated that all unit or the module of record in device 700 are corresponding with each step in the method described with reference to figure 1, Fig. 3, Fig. 5 and Fig. 6.Thus, above for the unit that operation and the feature of method description are equally applicable to device 700 and wherein comprise, do not repeat them here.Device 700 can realize in video playback apparatus in advance.Corresponding units in device 700 can cooperatively interact the scheme realizing the embodiment of the present application with the unit in video playback apparatus.
In the present embodiment, in video display process, acquiring unit obtains the actual viewing distance parameter of user, in addition, also obtains reference viewing distance parameter and the reference picture area parameters of the video playback pre-set; Reshuffle unit according to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically picture area parameters is reshuffled, wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.With prior art, the manual setting screen area parameters of user is needed to compare, the application manually reshuffles picture area without the need to user, but by video playback apparatus according to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically reshuffle, bring facility to user.
As the realization to said method embodiment, the application provides an embodiment of video playback apparatus.Please refer to Fig. 8, it illustrates the structural representation of a kind of embodiment of the video playback apparatus that the application provides.
As shown in Figure 8, video playback apparatus 800 can comprise: memory 810, processor 820.At least one communication bus can also be comprised, for realizing the connection communication in video playback apparatus 800 between each components and parts, e.g., for realizing the connection communication between memory 810 and processor 820.Wherein, processor 820 can be central processing unit (Central Processing Unit, CPU).Memory 810 optionally can comprise at least one and be positioned at storage device away from aforementioned processor 820.
Concrete, memory 810 is configured for the reference parameter storing the video playback pre-set under the control of processor 820, at least comprises with reference to parameter: with reference to viewing distance parameter, with reference to picture area parameters.Processor 820 is configured in video display process, obtains actual viewing distance parameter; Obtain from memory 810 with reference to parameter; According to reference to parameter and actual viewing distance parameter, reshuffle picture area parameters, wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.
In some implementations, video playback apparatus 800 can also comprise: eyes collecting device 830, is configured for and gathers eyes location parameter under the control of processor 820, and eyes location parameter is sent to processor; Processor 820 is configured for the eyes location parameter gathered according to eyes collecting device, obtains actual viewing distance parameter.
In some implementations, processor 820 is configured for by reshuffling picture area parameters as follows:
According to relational expression calculate S; Judge whether S is greater than display area; If be less than or equal to display area, then picture area parameters reprovision is set to S.Wherein, S' is with reference to picture area parameters, D 1for actual viewing distance parameter, D 1' be with reference to viewing distance parameter.
Video playback apparatus 800 can also comprise: output equipment 840, judges to be greater than display area if be configured for processor 820, then under the control of processor 820, export viewing distance adjustment message.
In some implementations, the reference parameter that memory 810 stores also comprises: with reference to lateral shift parameter.
Processor 820 is also configured for the eyes location parameter gathered according to eyes collecting device 830, obtains the actual lateral shift parameter of eyes; Detect the operation that reference lateral shift parameter is reshuffled in instruction; If operation detected, then in response to operation, be set to actual lateral shift parameter with reference to lateral shift parameter reconfiguration; If operation do not detected, then judge whether actual lateral shift parameter is greater than with reference to lateral shift parameter; If output equipment 840 is configured for processor 820 and detects and be greater than with reference to lateral shift parameter, then under the control of processor 820, export horizontal viewing location adjustment message.
In some implementations, eyes collecting device 830 can comprise: infrared sensor 831, front-facing camera 832.
Wherein, infrared sensor 831 is configured for the distance parameter gathered between eyes, and eyes is gathered distance parameter and be sent to processor 820; Front-facing camera 832 be configured for gather with eyes directioin parameter linearly; Obtain the angle parameter between eyes collection direction and display screen, and angle parameter is sent to processor 820.
Eyes location parameter can comprise: the angle parameter that front-facing camera 832 obtains and the eyes that infrared sensor 831 obtains gather distance parameter, wherein, eyes gather direction comprise front-facing camera 832 respectively with eyes institute direction linearly, eyes collection distance parameter comprises the distance parameter of infrared sensor 831 respectively and between eyes.
In some implementations, processor 820 is configured for according to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/actual lateral shift parameter of 2 calculating.Wherein, D 2for actual lateral shift parameter, D 0lfor the distance parameter between infrared sensor 831 and left eye, A 0lfor infrared sensor 831 and left eye direction linearly, and the angle parameter between display screen, D 0rfor the distance parameter between infrared sensor 831 and right eye, A 0rfor infrared sensor 831 and right eye direction linearly, and the angle parameter between display screen.
In some implementations, processor 820 is configured for and judges whether actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly; If be less than or equal to predetermined integers doubly, be then set to actual lateral shift parameter with reference to lateral shift parameter reconfiguration; Judge to be greater than predetermined integers doubly if output equipment 840 is configured for processor 820, then under the control of processor 820, export horizontal viewing location adjustment message.
In some implementations, the reference parameter that memory 810 stores also comprises with reference to volume of reception parameter.
Video playback apparatus 800 can also comprise: temperature sensor 850, is configured for and obtains current actual temperature parameter under the control of processor 820.Processor 820 is also configured for according to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter.Wherein, V sfor the output volume parameter after reshuffling, Func () is Func function, D 1for actual viewing distance parameter, V d' be with reference to volume of reception parameter, T is the actual temperature parameter that temperature sensor 850 obtains.
In some implementations, processor 820 is configured for and obtains with reference to output volume parameter and reference temperature(TR) parameter from memory 810; According to relational expression V d'=Func (V s', D 1', T') calculate with reference to volume of reception parameter.Wherein, V s' be with reference to output volume parameter, D 1' be with reference to viewing distance parameter, V d' be that T' is actual temperature parameter with reference to volume of reception parameter.
In some implementations, the reference parameter that memory 810 stores also comprises: predetermined amount of time parameter; If processor 820 is also configured for front-facing camera 832 and does not collect eyes location parameter within a predetermined period of time, then suspend displaying video.
In the embodiment that the application provides, in video display process, video playback apparatus obtains the actual viewing distance parameter of user, in addition, also obtains reference viewing distance parameter and the reference picture area parameters of the video playback pre-set; According to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically picture area parameters is reshuffled, wherein, actual viewing distance parameter and the ratio with reference to viewing distance parameter are identical with the ratio with reference to picture area parameters with the picture area parameters after reshuffling.With prior art, the manual setting screen area parameters of user is needed to compare, the application manually reshuffles picture area without the need to user, but by video playback apparatus according to reference viewing distance parameter, with reference to picture area parameters and actual viewing distance parameter, automatically reshuffle, bring facility to user.
Unit involved by being described in the embodiment of the present application or module can be realized by the mode of software, also can be realized by the mode of hardware.Described unit or module also can be arranged within a processor, such as, can be described as: a kind of processor comprises acquiring unit, reading unit and determining unit.Wherein, the title of these unit or module does not form the restriction to this unit or module itself under certain conditions, such as, reshuffles unit and can also be described to " for reshuffling the unit of play parameter ".
As another aspect, present invention also provides a kind of computer-readable recording medium, this computer-readable recording medium can be the computer-readable recording medium comprised in device described in above-described embodiment; Also can be individualism, be unkitted the computer-readable recording medium in the equipment of allocating into.Computer-readable recording medium stores more than one or one program, and described program is used for performance description in the formula input method of the application by one or more than one processor.
More than describe and be only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, invention scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from described inventive concept, other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.

Claims (21)

1. reshuffle a method for video playback parameter, it is characterized in that, described method comprises:
In video display process, obtain actual viewing distance parameter;
Obtain the reference parameter of the video playback pre-set, described reference parameter at least comprises: with reference to viewing distance parameter, with reference to picture area parameters;
According to described with reference to parameter and described actual viewing distance parameter, reshuffle picture area parameters, wherein, described actual viewing distance parameter and the described ratio with reference to viewing distance parameter are identical with the described ratio with reference to picture area parameters with the picture area parameters after reshuffling.
2. method according to claim 1, is characterized in that, the actual viewing distance parameter of described acquisition, comprising:
Eyes location parameter is gathered by eyes collecting device;
According to described eyes location parameter, obtain described actual viewing distance parameter.
3. method according to claim 2, is characterized in that, described in reshuffle picture area parameters, comprising:
According to relational expression calculate described S;
Judge whether described S is greater than display area;
If be less than or equal to described display area, then picture area parameters reprovision is set to described S;
If be greater than described display area, then export viewing distance adjustment message;
Wherein, described S' is described with reference to picture area parameters, described D 1for described actual viewing distance parameter, described D 1' be with reference to viewing distance parameter.
4. method according to claim 2, is characterized in that, described reference parameter also comprises: with reference to lateral shift parameter;
Described method also comprises:
According to described eyes location parameter, obtain the actual lateral shift parameter of eyes;
Detect the operation that reference lateral shift parameter is reshuffled in instruction;
If described operation detected, then in response to described operation, be set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration;
If described operation do not detected, then judge whether described actual lateral shift parameter is greater than with reference to lateral shift parameter;
If be greater than with reference to lateral shift parameter, then export horizontal viewing location adjustment message.
5. method according to claim 4, it is characterized in that, described eyes location parameter comprises: the angle parameter between eyes collection direction and display screen and eyes gather distance parameter, wherein, described eyes gather direction comprise eyes collecting device respectively with eyes institute direction linearly, described eyes collection distance parameter comprises the distance parameter of described eyes collecting device respectively and between eyes.
6. method according to claim 5, is characterized in that, described according to described eyes location parameter, obtains the actual lateral shift parameter of eyes, comprising:
According to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/described actual lateral shift parameter of 2 calculating;
Wherein, described D 2for described actual lateral shift parameter, described D 0lfor the distance parameter between described eyes collecting device and left eye, described A 0lfor described eyes collecting device and left eye direction linearly, and the angle parameter between described display screen, described D 0rfor the distance parameter between described eyes collecting device and right eye, described A 0rfor described eyes collecting device and right eye direction linearly, and the angle parameter between described display screen.
7. method according to claim 4, is characterized in that, is describedly set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration, comprising:
Judge whether described actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly;
If be less than or equal to described predetermined integers doubly, be then set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration;
If be greater than described predetermined integers doubly, then export horizontal viewing location adjustment message.
8. method according to claim 1, is characterized in that, described reference parameter also comprises: with reference to volume of reception parameter;
Described method also comprises:
Obtain current actual temperature parameter;
According to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter;
Wherein, described V sfor the output volume parameter after reshuffling, described Func () is Func function, described D 1for described actual viewing distance parameter, described V d' be described reference volume of reception parameter, described T is described actual temperature parameter.
9. method according to claim 8, is characterized in that, the reference parameter of the video playback that described acquisition pre-sets, comprising:
Obtain with reference to output volume parameter and reference temperature(TR) parameter;
According to described relational expression V d'=Func (V s', D 1', T') calculate described reference volume of reception parameter;
Wherein, described V s' be with reference to output volume parameter, described D 1' be described reference viewing distance parameter, described V d' be described reference volume of reception parameter, described T' is described actual temperature parameter.
10. method according to claim 2, is characterized in that, described reference parameter also comprises: predetermined amount of time parameter;
Described method also comprises:
If do not collect described eyes location parameter within a predetermined period of time, then suspend and play described video.
11. 1 kinds of devices of reshuffling video playback parameter, it is characterized in that, described device comprises:
Acquiring unit, is configured in video display process, obtains actual viewing distance parameter; Obtain the reference parameter of the video playback pre-set, described reference parameter at least comprises: with reference to viewing distance parameter, with reference to picture area parameters;
Reshuffle unit, be configured for the described reference parameter and described actual viewing distance parameter that obtain according to described acquiring unit, reshuffle picture area parameters, wherein, described actual viewing distance parameter and the described ratio with reference to viewing distance parameter are identical with the described ratio with reference to picture area parameters with the picture area parameters after reshuffling.
12. devices according to claim 11, is characterized in that, described acquiring unit is configured for and obtains actual viewing distance parameter by following:
Eyes location parameter is gathered by eyes collecting device;
According to described eyes location parameter, obtain described actual viewing distance parameter.
13. devices according to claim 12, is characterized in that, described in reshuffle unit, comprising:
Computing module, is configured for according to relational expression calculate described S;
First judge module, is configured for and judges whether the described S that described computing module calculates is greater than display area;
First reconfiguration module, judges to be less than or equal to described display area if be configured for described first judge module, then picture area parameters reprovision is set to the described S that described computing module calculates;
First output module, judges to be greater than described display area if be configured for described first judge module, then export viewing distance adjustment message;
Wherein, described S' is described with reference to picture area parameters, described D 1for described actual viewing distance parameter, described D 1' be with reference to viewing distance parameter.
14. devices according to claim 12, is characterized in that, the described reference parameter that described acquiring unit obtains also comprises: with reference to lateral shift parameter;
Described acquiring unit, is also configured for according to described eyes location parameter, obtains the actual lateral shift parameter of eyes;
Described device also comprises:
Detecting unit, is configured for and detects the operation that reference lateral shift parameter is reshuffled in instruction;
Judging unit, if be configured for described detecting unit described operation not detected, then judges whether the described actual lateral shift parameter that described acquiring unit obtains is greater than with reference to lateral shift parameter;
Output unit, judges to be greater than with reference to lateral shift parameter if be configured for described judging unit, then export horizontal viewing location adjustment message;
Describedly reshuffle unit, if be also configured for described detecting unit described operation to be detected, then in response to described operation, be set to reference to lateral shift parameter reconfiguration the described actual lateral shift parameter that described acquiring unit obtains.
15. devices according to claim 14, it is characterized in that, the described eyes location parameter that described acquiring unit obtains comprises: the angle parameter between eyes collection direction and display screen and eyes gather distance parameter, wherein, described eyes gather direction comprise eyes collecting device respectively with eyes institute direction linearly, described eyes collection distance parameter comprises the distance parameter of described eyes collecting device respectively and between eyes.
16. devices according to claim 15, is characterized in that, described acquiring unit is configured for by following according to described eyes location parameter, the actual lateral shift parameter of acquisition eyes:
According to relational expression D 2=[D 0l* cos (A 0l)+D 0r* cos (A 0r)]/described actual lateral shift parameter of 2 calculating;
Wherein, described D 2for described actual lateral shift parameter, described D 0lfor the distance parameter between described eyes collecting device and left eye, described A 0lfor described eyes collecting device and left eye direction linearly, and the angle parameter between described display screen, described D 0rfor the distance parameter between described eyes collecting device and right eye, described A 0rfor described eyes collecting device and right eye direction linearly, and the angle parameter between described display screen.
17. devices according to claim 14, is characterized in that, described in reshuffle unit, comprising:
Second judge module, is configured for and judges whether described actual lateral shift parameter is greater than the predetermined integers of the spacing of two doubly;
Second reconfiguration module, judges to be less than or equal to described predetermined integers doubly if be configured for described second judge module, is then set to described actual lateral shift parameter with reference to lateral shift parameter reconfiguration;
Second output module, judges to be greater than described predetermined integers doubly if be configured for described second judge module, then exports horizontal viewing location adjustment message.
18. devices according to claim 11, is characterized in that, the described reference parameter that described acquiring unit obtains also comprises: with reference to volume of reception parameter;
Described acquiring unit, is also configured for and obtains current actual temperature parameter;
Describedly reshuffle unit, be also configured for according to relational expression V d'=Func (V s, D 1, T), reshuffle output volume parameter;
Wherein, described V sfor the output volume parameter after reshuffling, described Func () is Func function, described D 1for described actual viewing distance parameter, described V d' be described reference volume of reception parameter, described T is described actual temperature parameter.
19. devices according to claim 18, is characterized in that, described acquiring unit is configured for the reference parameter by obtaining the video playback pre-set as follows:
Obtain with reference to output volume parameter and reference temperature(TR) parameter;
According to described relational expression V d'=Func (V s', D 1', T') calculate described reference volume of reception parameter;
Wherein, described V s' be with reference to output volume parameter, described D 1' be described reference viewing distance parameter, described V d' be described reference volume of reception parameter, described T' is described actual temperature parameter.
20. devices according to claim 12, is characterized in that, the reference parameter that described acquiring unit obtains also comprises: predetermined amount of time parameter;
Described device also comprises:
Suspend broadcast unit, if be configured for described acquiring unit not collect described eyes location parameter within a predetermined period of time, then suspend and play described video.
21. 1 kinds of video playback apparatus, is characterized in that, comprising: memory, processor;
Wherein, described memory, is configured for the reference parameter storing the video playback pre-set under the control of described processor, and described reference parameter at least comprises: with reference to viewing distance parameter, with reference to picture area parameters;
Described processor, is configured in video display process, obtains actual viewing distance parameter; Obtain described with reference to parameter from described memory; According to described with reference to parameter and described actual viewing distance parameter, reshuffle picture area parameters, wherein, described actual viewing distance parameter and the described ratio with reference to viewing distance parameter are identical with the described ratio with reference to picture area parameters with the picture area parameters after reshuffling.
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