CN102724457A - Method, device and television set for concealing flash in video zooming process - Google Patents
Method, device and television set for concealing flash in video zooming process Download PDFInfo
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- CN102724457A CN102724457A CN2012101887776A CN201210188777A CN102724457A CN 102724457 A CN102724457 A CN 102724457A CN 2012101887776 A CN2012101887776 A CN 2012101887776A CN 201210188777 A CN201210188777 A CN 201210188777A CN 102724457 A CN102724457 A CN 102724457A
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Abstract
The invention discloses a method for concealing a flash in a video zooming process. The method comprises the following steps of starting a video zooming command of a video layer in a 2D (two-dimensional) system, and displaying an OSD (on screen display) menu through a display screen; and setting the attribute of a picture layer so as to conceal the flash in the video zooming process. The invention discloses a device and a television set for concealing the flash in the video zooming process. Under the condition that the transparency of the picture layer is opened, the problem of video flash in the video zooming process can be solved, the flash is not concealed by a black screen and a picture, and meanwhile a video zooming action can be realized on an OSD with transparency.
Description
Technical field
The invention belongs to technical field of television sets, particularly a kind of method, device and television set that glimmers in the video scaling process of covering.
Background technology
Along with development of science and technology, the consumer has proposed increasingly high requirement to the UI (User Interface, user interface) of TV, and wherein the pattern style of OSD (On-Screen Display, screen display) also has bigger change.In order to be satisfied with the variation demand of OSD, video usually need carry out the convergent-divergent of size and the change of position, for example; When browsing television channel information; Electronic program EPG (Electronic Program Guide, electric program menu) is opened up a little zone as the suspension window specially on OSD, can also watch TV simultaneously; This has just used the Scaler technology, and hereinafter is referred to as video scaling techniques.Video scaling techniques is actually through changing the level and the vertical resolution of image, so that video content is suitable for display resolution, is able to normal technique for displaying.Video scaling techniques can change the size and the position of video arbitrarily, but does in the process of convergent-divergent at the TV video at present, the problem of film flicker can occur.Present settling mode is with " blank screen " or covers the flicker problem that solves with the pure color picture; This method can satisfy most requirement; But have limitation, for example can not on have the menu of transparency, do wicket, because after the transparent attribute of figure (Graphic) layer is opened; Exist the menu of transparency to present to the user to the screen of the sudden strain of a muscle in the video scaling process, the experience of causes users is not good.
Summary of the invention
Main purpose of the present invention is to provide a kind of method of glimmering in the video scaling process of covering, and is intended to solve the technical problem that can not on have the menu of transparency, do wicket in the prior art.
In order to realize goal of the invention, the present invention puies forward a kind of method of glimmering in the video scaling process of covering, and it may further comprise the steps:
In the 2D system, start the Scale command of video layer, and display screen shows the OSD menu;
When there was not the element of transparency in the OSD menu, the attribute that graph layer is set was transparent; When there was the element of transparency in the OSD menu, the attribute that graph layer is set was opaque to cover the flicker of video layer convergent-divergent process.
Preferably, said when there is not the element of transparency in the OSD menu, the attribute that graph layer is set is that transparent step specifically comprises:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is transparent, makes each pixel all have different transparencies;
Video is carried out convergent-divergent, send the sign of having carried out convergent-divergent for the OSD layer after accomplishing;
Detect whether have said sign at the OSD layer, if then on background, open up a zone with 100% transparency;
The video of video layer is appeared demonstration.
Preferably, said when there is the element of transparency in the OSD menu, the attribute that graph layer is set is that opaque step with the flicker of covering video layer convergent-divergent process specifically comprises:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is opaque, makes graph layer not have transparency;
Video is carried out convergent-divergent, and change its background area color, send the sign of having carried out convergent-divergent for afterwards the OSD layer;
Detect convergent-divergent at the OSD layer and whether have said sign, if then on background, open up a zone with 100% transparency;
The attribute that graph layer is set is transparent;
The color of adjustment video layer background makes it keep transparent elements to merge attribute before with background.
The present invention also provides a kind of device that glimmers in the video scaling process of covering, and it comprises:
Convergent-divergent process initiation module be used in the 2D system starting the Scale command of video layer, and display screen shows the OSD menu;
The graph layer attribute is provided with module, is used for when there is not the element of transparency in the OSD menu, and the attribute that graph layer is set is transparent; When there was the element of transparency in the OSD menu, the attribute that graph layer is set was opaque to cover the flicker of video layer convergent-divergent process.
Preferably, said graph layer attribute is provided with module and comprises that first is provided with the unit, and this first is provided with the unit and is used for:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is transparent, makes each pixel all have different transparencies;
Video is carried out convergent-divergent, send the sign of having carried out convergent-divergent for the OSD layer after accomplishing;
Detect whether have said sign at the OSD layer, if then on background, open up a zone with 100% transparency;
The video of video layer is appeared.
Preferably, said graph layer attribute is provided with module and comprises that second is provided with the unit, and this second is provided with the unit and is used for:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is opaque, makes graph layer not have transparency;
Video is carried out convergent-divergent, and change its background area color, send the sign of having carried out convergent-divergent for afterwards the OSD layer;
Detect convergent-divergent at the OSD layer and whether have said sign, if then on background, open up a zone with 100% transparency;
The attribute that graph layer is set is transparent;
The color of adjustment video layer background makes it keep transparent elements to merge attribute before with background.
The present invention is through being provided with the attribute of graph layer; And, under the situation that the graph layer transparency is opened, can avoid the video flashes problem in the convergent-divergent process with the close fit of convergent-divergent process; Neither need go to cover flicker with blank screen and picture; Simultaneously can realize zoom action existing on the OSD of transparency again, do wicket above therefore can be implemented in menu, promote user experience with transparency.
Description of drawings
Fig. 1 covers the method flow diagram that glimmers in the video scaling process in the present invention's one preferred embodiment;
Fig. 2 is for covering the flow chart of the method for glimmering in the video scaling process in the present invention's one preferred embodiment;
Fig. 3 is for covering the flow chart of the method for glimmering in the video scaling process in another preferred embodiment of the present invention;
Fig. 4 is for covering the structural representation of the device that glimmers in the video scaling process in the present invention's one preferred embodiment;
Fig. 5 is for covering the structural representation of the device that glimmers in the video scaling process in another preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, Fig. 1 covers the flow chart of the method embodiment that glimmers in the video scaling process for the present invention.As shown in Figure 1, this flow process may further comprise the steps:
Step S10 in the 2D system, start the video scaling order of video layer, and display screen shows the OSD menu;
Step S20, when there was not the element of transparency in the OSD menu, the attribute that graph layer is set was transparent; When there was the element of transparency in the OSD menu, the attribute that graph layer is set was opaque to cover the flicker of video layer convergent-divergent process.
Graph layer has DLOP_OPACITY (opaque) and two kinds of attributed schemes of DLOP_ALPHACHANNEL (transparent); These two kinds of patterns have determined graph layer to have different character: when the graph layer attribute is DLOP_OPACITY; This layer OSD is opaque, promptly is the video that can not directly see video layer through OSD; The attribute of DLOP_ALPHACHANNEL is that graph layer is set to the transparency that each pixel all has own uniqueness, and this attribute can utilize the zone with 100% transparency to make video appear on the OSD menu.
The embodiment of the invention solves the flicker problem of video in the convergent-divergent process through the transparent attribute that graph layer is set.This method both can let television image on no transparency menu, do zoom action, can also do convergent-divergent existing on the menu of transparency, and can not let the problem of convergent-divergent film flicker present to the user, had promoted user experience.Known like those skilled in the art institute, in television system, video layer is positioned at the back of graph layer, and therefore the transparent attribute through revising graph layer opens and close that to reach the scheme of avoiding glimmering be feasible.
In a preferred embodiment of the present invention, above-mentioned steps S20 comprises:
When there was not the element of transparency in the OSD menu, the attribute that graph layer is set was DLOP_ALPHACHANNEL, and the attribute that graph layer promptly is set is transparent, made each pixel on the graph layer have different transparencies.
In the present embodiment, at first in the 2D system, start the zoom action of video, the OSD layer shows then, and the attribute that graph layer is set is DLOP_ALPHACHANNEL, and graph layer had each pixel different transparencies was arranged this moment.Because there is not the element of transparency in this OSD layer, so need not consider the problem that OSD layer and video layer merge, the background of OSD layer just can well be covered the flicker problem of convergent-divergent process.
Idiographic flow in the present embodiment is please with reference to shown in Figure 2, and this flow process mainly may further comprise the steps:
Step S21 starts the Scale command, calls zoom function;
Step S22 shows the OSD menu;
Step S23, the attribute that graph layer is set is DLOP_ALPHACHANNEL, makes each pixel all have different transparencies;
Step S24 carries out convergent-divergent to video in the 2D system, accomplish convergent-divergent and send the sign of having carried out convergent-divergent for afterwards the OSD layer;
Step S25 detects whether to have said sign at the OSD layer, if, execution in step S26 then; If, then do not return step S24;
Step S26 opens up a zone with 100% transparency on background;
Step S27 appears the video of video layer, shows image zooming.
In another preferred embodiment of the present invention, above-mentioned steps S20 comprises:
When there was the element of transparency in the OSD menu, the attribute that graph layer is set was DLOP_OPACITY, and the attribute that graph layer promptly is set is opaque, made each pixel on the graph layer not have transparency.Video is done convergent-divergent when this OSD obtains focus; If go to realize, then owing to the element that has transparency on the OSD, according to the character of graph layer according to preceding method; This OSD layer has transparency; It can merge with the video of video layer, promptly does convergent-divergent video council before and appears through OSD, and the user directly can see video.If done convergent-divergent in this case, then OSD can merge with the background outside the video of video layer, makes the OSD blackening, because finish convergent-divergent, the zone outside the video is a black.So in the embodiment of the invention, attribute that need graph layer is set to DLOP_OPACITY, makes each pixel on the graph layer not have transparency.Idiographic flow in the present embodiment is please with reference to shown in Figure 3, and this flow process specifically may further comprise the steps:
Step S201 starts the Scale command, calls zoom function;
Step S202 shows the OSD menu;
Step S203, the attribute that graph layer is set is DLOP_OPACITY, makes graph layer not have transparency;
Step S204 carries out convergent-divergent to video, and changes its background area color;
Step S205 sends the sign of having carried out convergent-divergent for the OSD layer; Specifically change what color into, it is fixed to come according to the effect of OSD layer, goes to reduce color before merging as far as possible.
Step S206 detects convergent-divergent at the OSD layer and whether has said sign, if then execution in step S207 if deny, then returns step S204;
Step S207 opens up a zone with 100% transparency on background;
Step S208, the attribute that graph layer is set is DLOP_ALPHACHANNEL;
Step S209, the color of adjustment video layer background makes it keep transparent elements to merge attribute before with background.
At present, some television sets have had the function that loads multiple application software, and the said method in the embodiment of the invention also can be realized through built-in Control Software in television set.
The present invention also provides a kind of device that glimmers in the video scaling process of covering, and can realize said method.With reference to Fig. 4, in a preferred embodiment of the present invention, this device comprises:
Convergent-divergent process initiation module 10 be used in the 2D system starting the Scale command of video layer, and display screen shows the OSD menu;
The graph layer attribute is provided with module 20, is used for when there is not the element of transparency in the OSD menu, and the attribute that graph layer is set is transparent; When there was the element of transparency in the OSD menu, the attribute that graph layer is set was opaque to cover the flicker of video layer convergent-divergent process.
Graph layer has DLOP_OPACITY (opaque) and two kinds of attributed schemes of DLOP_ALPHACHANNEL (transparent); These two kinds of patterns have determined graph layer to have different character: when the graph layer attribute is DLOP_OPACITY; This layer OSD is opaque, promptly is the video that can not directly remove to see video layer through OSD; The attribute of DLOP_ALPHACHANNEL is that the OSD of graph layer is set to the transparency that each pixel all has own uniqueness, and this attribute can utilize the zone with 100% transparency to make video appear on the OSD menu.
The embodiment of the invention is provided with the transparent attribute that module 20 is provided with graph layer through the graph layer attribute and solves the flicker problem of video in the convergent-divergent process.This method both can let television image on no transparency menu, do zoom action, can also do convergent-divergent existing on the menu of transparency; And can not let the problem of convergent-divergent film flicker present to the user.Known like those skilled in the art institute, in television system, video layer is positioned at the back of graph layer, and therefore the transparent attribute through revising graph layer opens and close that to reach the scheme of avoiding glimmering be feasible.
With reference to Fig. 5, in the present invention's one preferred embodiment, said graph layer attribute is provided with module 20 and comprises:
First is provided with unit 21, is used for when there is not the element of transparency in the OSD menu, and the attribute that graph layer is set is DLOP_ALPHACHANNEL, and the attribute that graph layer promptly is set is transparent, makes each pixel on the graph layer have different transparencies.In the present embodiment, at first in the 2D system, start the zoom action of video, the OSD layer shows then, and first the attribute that unit 21 is provided with graph layer is set is DLOP_ALPHACHANNEL, and graph layer had each pixel different transparencies was arranged this moment.Because there is not the element of transparency in this OSD layer, so need not consider the problem that OSD layer and video layer merge, the background of OSD layer just can well be covered the flicker problem of convergent-divergent process.
In a concrete example, this first is provided with unit 21 and specifically is used for:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is DLOP_ALPHACHANNEL, makes each pixel all have different transparencies;
Video is carried out convergent-divergent, send the sign of having carried out convergent-divergent for the OSD layer after accomplishing;
Detect whether have said sign at the OSD layer, if then on background, open up a zone with 100% transparency;
The video of video layer is appeared.
Further, with reference to shown in Figure 5, on the basis of the foregoing description, the graph layer attribute is provided with module 20 and also can comprises:
Second is provided with unit 22, is used for when there is the element of transparency in the OSD menu, and the attribute that graph layer is set is DLOP_OPACITY, makes each pixel on the graph layer not have transparency.Video is done convergent-divergent when this OSD obtains focus; If go to realize, then owing to the element that has transparency on the OSD, according to the character of graph layer according to preceding method; This OSD layer has transparency; It can merge with the video of video layer, promptly does convergent-divergent video council before and appears through OSD, and the user directly can see video.If done convergent-divergent in this case, then OSD can merge with the background outside the video of video layer, makes the OSD blackening, because finish convergent-divergent, the zone outside the video is a black.So in the embodiment of the invention, need through second unit 22 graph layers are set attribute be set to DLOP_OPACITY, make each pixel on the graph layer not have transparency.
In a concrete example, above-mentioned second is provided with unit 22 specifically is used for:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is DLOP_OPACITY, makes graph layer not have transparency;
Video is carried out convergent-divergent, and change its background area color, send the sign of having carried out convergent-divergent for afterwards the OSD layer;
Detect convergent-divergent at the OSD layer and whether have said sign, if then on background, open up a zone with 100% transparency;
The attribute that graph layer is set is DLOP_ALPHACHANNEL;
The color of adjustment video layer background makes it keep transparent elements to merge attribute before with background.
The present invention also provides a kind of television set, and this television set has covers the device that glimmers in the video scaling process.The operation principle of this device and implementation procedure can be with reference to earlier figures 1 to Fig. 5 pairing embodiment, comprised technical schemes all in the previous embodiment, therefore just detail no longer one by one.Owing to have the aforementioned device that glimmers in the video scaling process of covering; Television set in the embodiment of the invention can not glimmer in video carries out the process of convergent-divergent, has improved image display effect; And do wicket above can be implemented in menu, promoted user experience with transparency.
More than be merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (7)
1. cover the method for glimmering in the video scaling process for one kind, it is characterized in that, may further comprise the steps:
In the 2D system, start the Scale command of video layer, and display screen shows the OSD menu;
When there was not the element of transparency in the OSD menu, the attribute that graph layer is set was transparent; When there was the element of transparency in the OSD menu, the attribute that graph layer is set was opaque to cover the flicker of video layer convergent-divergent process.
2. the method for claim 1 is characterized in that, and is said when there is not the element of transparency in the OSD menu, and the attribute that graph layer is set is that transparent step specifically comprises:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is transparent, makes each pixel all have different transparencies;
Video is carried out convergent-divergent, send the sign of having carried out convergent-divergent for the OSD layer after accomplishing;
Detect whether have said sign at the OSD layer, if then on background, open up a zone with 100% transparency;
The video of video layer is appeared demonstration.
3. the method for claim 1 is characterized in that, and is said when there is the element of transparency in the OSD menu, and the attribute that graph layer is set is that opaque step with the flicker of covering video layer convergent-divergent process specifically comprises:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is opaque, makes graph layer not have transparency;
Video is carried out convergent-divergent, and change its background area color, send the sign of having carried out convergent-divergent for afterwards the OSD layer;
Detect convergent-divergent at the OSD layer and whether have said sign, if then on background, open up a zone with 100% transparency;
The attribute that graph layer is set is transparent;
The color of adjustment video layer background makes it keep transparent elements to merge attribute before with background.
4. cover the device that glimmers in the video scaling process for one kind, it is characterized in that, comprising:
Convergent-divergent process initiation module be used in the 2D system starting the Scale command of video layer, and display screen shows the OSD menu;
The graph layer attribute is provided with module, is used for when there is not the element of transparency in the OSD menu, and the attribute that graph layer is set is transparent; When there was the element of transparency in the OSD menu, the attribute that graph layer is set was opaque to cover the flicker of video layer convergent-divergent process.
5. device as claimed in claim 4 is characterized in that, said graph layer attribute is provided with module and comprises that first is provided with the unit, and this first is provided with the unit and is used for:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is transparent, makes each pixel all have different transparencies;
Video is carried out convergent-divergent, send the sign of having carried out convergent-divergent for the OSD layer after accomplishing;
Detect whether have said sign at the OSD layer, if then on background, open up a zone with 100% transparency;
The video of video layer is appeared.
6. device as claimed in claim 4 is characterized in that, said graph layer attribute is provided with module and comprises that second is provided with the unit, and this second is provided with the unit and is used for:
Start the Scale command, call zoom function;
Show the OSD menu, the attribute that graph layer is set is opaque, makes graph layer not have transparency;
Video is carried out convergent-divergent, and change its background area color, send the sign of having carried out convergent-divergent for afterwards the OSD layer;
Detect convergent-divergent at the OSD layer and whether have said sign, if then on background, open up a zone with 100% transparency;
The attribute that graph layer is set is transparent;
The color of adjustment video layer background makes it keep transparent elements to merge attribute before with background.
7. a television set is characterized in that, comprises like each described device in the claim 4 to 6.
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| CN201210188777.6A CN102724457B (en) | 2012-06-08 | 2012-06-08 | Cover the method, device and the television set that glimmer in video scaling process |
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| CN201210188777.6A CN102724457B (en) | 2012-06-08 | 2012-06-08 | Cover the method, device and the television set that glimmer in video scaling process |
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| CN103648038A (en) * | 2013-11-15 | 2014-03-19 | 乐视致新电子科技（天津）有限公司 | Form display control method and control apparatus of intelligent television |
| CN105635832A (en) * | 2014-11-10 | 2016-06-01 | 阿里巴巴集团控股有限公司 | Video processing method and device |
| CN106792211A (en) * | 2016-11-29 | 2017-05-31 | 北京新媒体（集团）有限公司 | The TV interactive operating system of internet thoughtcast |
| CN107197356A (en) * | 2017-06-06 | 2017-09-22 | 青岛海信电器股份有限公司 | A kind of method, device and the TV of display screen menu on television |
| CN112165644A (en) * | 2020-09-27 | 2021-01-01 | 海信视像科技股份有限公司 | Display device and video playing method in vertical screen state |
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| CN102724457B (en) | 2015-12-16 |
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