CN104065997A - Method and system for displaying rolling captions of set top box - Google Patents
Method and system for displaying rolling captions of set top box Download PDFInfo
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- CN104065997A CN104065997A CN201410320970.XA CN201410320970A CN104065997A CN 104065997 A CN104065997 A CN 104065997A CN 201410320970 A CN201410320970 A CN 201410320970A CN 104065997 A CN104065997 A CN 104065997A
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Abstract
The invention discloses a method and system for displaying rolling captions of a set top box. The method comprises the following steps that rolling contents needing to be displayed by the set top box are converted into pictures; the converted pictures are processed into data enabling pixels of a screen of the set top box to be colored; under the circumstance that the screen of the set top box carries out displaying in a rolling mode, contents of the data enabling the pixels of the screen of the set top box to be colored can be displayed gradually. Rich and colorful displaying of the rolling captions of the set top box is achieved, and single displaying is avoided. A displaying process does not depend on preset colors and word stocks of the set top box any more, a smooth display effect is achieved, and no pause exists.
Description
Technical field
The present invention relates to digital television system technical field, be specifically related to method and system thereof that a kind of Set Top Box roll titles shows.
Background technology
In Set Top Box product, as a kind of information representation mode, one section of word for expressing information is in top, middle part or the bottom of screen, from left to right or dextrosinistral roll display.In industry, this expression way has been endowed multiple names, such as " roll titles ", " captions move about ", " screen display ", " horse race lamp " etc.
Because relating to, digital television program encrypts charge, therefore Set Top Box needs integrated condition receiving system (english abbreviation is CA); In the time that set-top box operation business prepares to expand value-added service, will require the integrated ad system of Set Top Box, roll titles is the most common in condition receiving system and ad system.
Rely on temporarily condition receiving system and ad system to set forth, these two kinds of systems are called optical imaging, if Set Top Box is closed on the payment phase, in televiewing, can see and have a line roll titles to remind Set Top Box when to expire, and prompting continues to pay dues as early as possible; Roll titles information that condition receiving system transmits out that Here it is.
When Set Top Box is not closed on the payment phase, while televiewing, also can see some roll titles, for example introduce the information such as the recruitment of some products, domestic enterprise, roll titles information that ad system transmits out that Here it is.
By examining these roll titles, can find that background color, the font of roll titles, color, the size of word etc. of word show all very single.Does why not changing a kind of color, font and font size for set-top box operation business show? set-top box operation business wants to change very much in fact, and on headend equipment, color, font and font size are arranged also and be easy to, but why Set Top Box just can not show according to arranging?
On headend equipment, arrange after background color, font and font size, these information can be sent to Set Top Box.Suppose background color that headend equipment arranges roll titles be blue, show by the white Song typeface of 20*20 size.It is more popular that the information that Set Top Box receives is said, is such " Set Top Box, Set Top Box, now require you that the background color of roll titles is shown as to blueness, and carry out display text with white colour by your Song typeface character library of preset 20*20 size ".Set Top Box can go to search the Song typeface character library self whether with 20*20 size, and some words are demonstration on request just, and it's not true, and Set Top Box will show by other preset character libraries.In other words roll titles depends on color preset in Set Top Box and character library.Be subject to the restriction of Set Top Box memory space, the impossible unconfined preset color of Set Top Box and character library, the flash memory of Set Top Box generally only has several million (M), the character library of a set of 20*20 dot matrix of picture, calculate by 10000 words, just have 20*20*10000=4000000bit=500000Byte=488.28K; If the how preset so a few cover character libraries of Set Top Box, the flash memory of that Set Top Box will be filled up very soon, if the flash memory of Set Top Box is expanded, the cost of Set Top Box will rise so, be unfavorable for the popularization of product.Even if allow Set Top Box how show so headend equipment can send instruction, but due to the restriction of Set Top Box self-ability, can not show according to the instruction of headend equipment completely, just as a ship, you can allow it in water, move ahead fast, but cannot allow it also can move ahead fast on land, because it does not possess the ability moving ahead on land.
The roll titles that the preset color of this dependence Set Top Box and character library show, except the single drawback of expression effect, also more complicated in realization, you need to be ready to the background of roll titles, then word are put in background, and then carry out roll display; In the process of " roll titles " of realization, you need to consider respectively " title back ", " font ", " font size ", " color of word " these four objects and realize respectively in Set Top Box, and difficulty is larger.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, the method and the system thereof that provide a kind of Set Top Box roll titles to show, the quality showing for improving Set Top Box roll titles.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
The method that Set Top Box roll titles shows, it comprises:
Convert the rolling content that needs Set Top Box to show to picture;
Picture processing Cheng Nengrang Set Top Box screen pixels after described conversion is put to painted data;
In the situation that Set Top Box screen scroll shows, describedly can allow Set Top Box screen pixels put painted data content progressively to show.
In order to realize better the present invention, further technical scheme is:
According to one embodiment of the invention, described picture generates at digital television system front end.
According to one embodiment of the invention, the picture of the described rolling content conversion that will show comprises anterior splicing picture, content picture, rear portion splicing picture, and described anterior splicing picture and rear portion splicing picture lay respectively at the front and rear of described content picture.
According to one embodiment of the invention, what on described Set Top Box screen, show at first is anterior splicing picture, then the content on displaying contents picture progressively, finally shows rear portion splicing picture.
The present invention can also be:
The system that Set Top Box roll titles shows, it comprises:
Picture Core Generator, for converting the rolling content that needs Set Top Box to show to picture;
Pixel coloring device, for putting painted data by the picture processing Cheng Nengrang Set Top Box screen pixels after described conversion;
Set Top Box screen, can allow Set Top Box screen pixels put painted data content for progressively showing.
According to one embodiment of the invention, described picture generates at digital television system front end.
According to one embodiment of the invention, the picture of the described rolling content conversion that will show comprises anterior splicing picture, content picture, rear portion splicing picture, and described anterior splicing picture and rear portion splicing picture lay respectively at the front and rear of described content picture.
According to one embodiment of the invention, what on described Set Top Box screen, show at first is anterior splicing picture, then the content on displaying contents picture progressively, finally shows rear portion splicing picture.
Compared with prior art, one of beneficial effect of the present invention is:
Method and system thereof that a kind of Set Top Box roll titles of the present invention shows, make the demonstration of roll titles of Set Top Box rich and varied, no longer single; Its procedure for displaying is no longer dependent on the preset color of Set Top Box and character library, and display effect is very level and smooth, there is no pause and transition in rhythm or melody phenomenon; Not only, applicable to condition receiving system and ad system, the place of other involved roll titles functions can be used method and system of the present invention to realize.
Brief description of the drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, to the accompanying drawing of required use in the description of embodiment or prior art be briefly described below, apparently, the accompanying drawing the following describes is only the reference to some embodiment in present specification, for those skilled in the art, in the situation that not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows roll titles schematic diagram according to an embodiment of the invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Set Top Box has than more rich human-computer interaction interface, and these interfaces can present by the form of picture, the ability that Set Top Box possesses decoding picture and picture is shown, and in Set Top Box, more conventional picture format is BMP form.
In order to overcome the problem of mentioning in background technology, provide one can reduce some objects, and allow rolling effect very abundant method again.First can make a picture Core Generator or adopt existing picture instrument, " title back ", " font ", " font size ", " color of word " are all set, then the word presenting is wanted in input, then these objects are integrated and generated a pictures, by headend equipment, this pictures is issued to Set Top Box.Set Top Box is received after this pictures, in order to realize " roll titles " function, only need picture be decoded and be shown, need not consider separately completely " title back ", " font ", " font size ", " color of word " these objects, four handling objects can be reduced to " picture " this object thus, the object of processing has lacked, workload naturally also just subtracts and, complexity has also just lowered, but benefit is far above in this, because picture Core Generator can arbitrarily arrange " title back ", " font ", " font size ", " color of word ", and the picture generating can generate according to arranging completely, therefore the roll titles of Set Top Box will can be so not single, but become rich and varied, and do not depend on the preset color of Set Top Box and these things of character library.The making of picture Core Generator can adopt existing techniques in realizing, just repeats no more the manufacture method of instrument at this.
The vision signal of Set Top Box is exported on TV, and video image is just to fill up video screen.The ability that there is picture decoding and show for Set Top Box, but this ability is just by being presented in screen of picture static state, and do not allow the picture demonstration of ceaselessly shifting one's position, do not allow picture exceed screen display yet; But roll titles just needs the picture demonstration of ceaselessly shifting one's position, and exceed screen and show, only in this way just can reach rolling effect.A pictures as shown in Figure 1, image content is " ABCDEF ", allows picture dextrosinistral demonstration on screen, from the right, first numeral is out " A " so, is and then " B ", and then is other; When whole pictures shows completely, in screen time, whole pictures need to ceaselessly change position display to move to the left side of screen; In the time that picture arrives at the Far Left of screen, " A " exceeds screen at first, is and then " B ", and then is other, in the time that whole pictures all exceeds screen, with regard to the complete picture roll display from right to left that completed.
Only relying on the display capabilities of Set Top Box to picture, is cannot reach first to show " A ", show " B " this display effect that exceeds screen again.In the time that whole pictures moves in screen and to the left side, there will be pause and transition in rhythm or melody phenomenon clearly, because you are in the time showing picture to the left side, you must be the pictures of first closing previous position, and then any region shows to the left side to allow it, this pass one is aobvious will present very strong pause and transition in rhythm or melody phenomenon.You may refute on computer (PC), use this display mechanism just to there will not be pause and transition in rhythm or melody phenomenon, but that is computer, the disposal ability of computer CPU is far above the disposal ability of set-top box CPU, a pass one is on computers aobvious, and human eye is not just felt at all.
For how allowing picture move up in Set Top Box? and the effect of rolling is very level and smooth, there will not be the phenomenon of pause and transition in rhythm or melody? to this, the present embodiment further illustrates.As shown in Figure 1, it is this pictures of content that the picture generating by picture Core Generator has more than, and splices in addition picture at the front and rear of this content picture.It is we according to the width of screen, then according to background color, of generation is the same with screen width wide, with the picture of the same color of background color.Though it splices, the final picture generating not is to have anterior splicing picture 1, content picture 2, rear portion splicing picture 3 three pictures, but a complete picture is " three-in-one picture " in other words.Its objective is in order to allow roll titles there will not be pause and transition in rhythm or melody phenomenon, because this pictures is from start to end, all the same with screen width.But this after all or a pictures still cannot realize the demonstration that exceeds screen, also cannot realize level and smooth rolling.At this moment we will further understand the displaying principle of picture, and the demonstration of picture is exactly painted to the pixel of screen in fact, and therefore we will directly use this most essential principle.The position of the pixel on screen is fixed, and only what look when need to calculate each pixel is being somebody's turn to do." three-in-one picture " can be processed into a pile and can allow directly painted data of pixel, pixel is expressed color standard, has not just repeated at this.In the time that roll titles starts to show, what see at first is anterior splicing picture, and at this moment the width of it and screen is the same, and we think and have at this moment opened " three-in-one picture ".Because be painted to each pixel, so even if this pictures has exceeded screen area, I still can show the content in screen; Then start to roll, each pixel is painted with image data below, and this pictures has just moved up, and only has the operation painted to pixel this time, and does not close the operation of picture, has just realized the smooth rolling of picture; After content Image Display is complete, what on screen, show is rear portion splicing picture, at this moment picture is closed again, and once complete rolling has just realized, among this, and a picture closing motion after only having content Image Display complete,
Further illustrate with the example shown in Fig. 1, in picture Core Generator, background color is set to blueness (or other color, do not demonstrate color in Fig. 1) again, the color of word is set to black, Set font is the Song typeface, and font size is set to 20*20, and content is " 123456 ".At this moment that first generated such content picture 2, the width of supposing screen is 200 pixels, at this moment that just generate and picture 1 and rear portion splicing picture 3 are spliced in the wide front portion of 200 pixels of content picture 2 same height, then front portion is spliced to picture 1 and rear portion splicing picture 3 and be added to respectively front portion and the rear portion of content picture 2, the entirety of the final picture generating as shown in Figure 1; Set Top Box is received after this pictures, I can be processed into this pictures directly painted data of pixel, in the time that roll titles starts to show, what on screen, see at first is anterior splicing picture 1, then the content of picture progressively shows A, AB ... ABCDEF, after content demonstration is over, what on screen, show is rear portion splicing picture 3, at this moment just can close whole pictures.Among this, increase the splicing picture 1,3 of front and rear and use the painted principle of pixel, ensure the smoothness of roll titles.
In above embodiment, the one, change traditional roll titles display mode that depends on the preset color of Set Top Box and character library into picture, by front end generating pictures, transfer to Set Top Box to show, thereby allow the demonstration of roll titles no longer rely on the preset color of Set Top Box and character library; The 2nd, design picture Core Generator, has done processing to picture, has added the splicing picture of front and rear; The 3rd, use the painted principle of pixel.By the above, just can obtain a smooth rolling, color and font express colourful new-type rolling captions implementation method.
In sum, a kind of method that Set Top Box roll titles shows, it comprises:
Convert the rolling content that needs Set Top Box to show to picture;
Picture processing Cheng Nengrang Set Top Box screen pixels after described conversion is put to painted data;
In the situation that Set Top Box screen scroll shows, describedly can allow Set Top Box screen pixels put painted data content progressively to show.
The system that Set Top Box roll titles shows, it comprises:
Picture Core Generator, for converting the rolling content that needs Set Top Box to show to picture;
Pixel coloring device, for putting painted data by the picture processing Cheng Nengrang Set Top Box screen pixels after described conversion;
Set Top Box screen, can allow Set Top Box screen pixels put painted data content for progressively showing.
Described picture generates at digital television system front end.The picture of the described rolling content conversion that will show comprises anterior splicing picture, content picture, rear portion splicing picture, and described anterior splicing picture and rear portion splicing picture lay respectively at the front and rear of described content picture.What on described Set Top Box screen, show at first is anterior splicing picture, then the content on displaying contents picture progressively, finally shows rear portion splicing picture.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, identical similar part cross-references between each embodiment.
" embodiment ", " another embodiment ", " embodiment " that spoken of in this manual, etc., refer to specific features, structure or the feature described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.In specification, multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is to realize this feature, structure or feature in conjunction with other embodiment also to fall within the scope of the invention.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution modes, within these amendments and execution mode will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (8)
1. the system that Set Top Box roll titles shows, is characterized in that it is made up of following part:
Picture Core Generator, it is for converting the rolling content that needs Set Top Box to show to picture;
Pixel coloring device, it is for putting painted data by the picture processing Cheng Nengrang Set Top Box screen pixels of described conversion;
Set Top Box screen, it can allow Set Top Box screen pixels put painted data content for progressively showing.
2. Set Top Box roll titles display system according to claim 1, is characterized in that described picture generates at digital television system front end.
3. Set Top Box roll titles display system according to claim 1, it is characterized in that being divided into anterior splicing picture, content picture and rear portion splicing picture by the picture of described rolling content conversion, described anterior splicing picture and rear portion splicing picture lay respectively at the front and rear of described content picture.
4. Set Top Box roll titles display system according to claim 7, what it is characterized in that described Set Top Box screen first shows is anterior splicing picture, then the content on displaying contents picture progressively, finally shows rear portion splicing picture.
5. the method that Set Top Box roll titles shows, is characterized in that it comprises the steps:
First, convert the rolling content that needs Set Top Box to show to picture; Then
The picture processing Cheng Nengrang Set Top Box screen pixels of conversion is put to painted data; Then
In the situation that Set Top Box screen scroll shows, can allow Set Top Box screen pixels put painted data content and progressively show.
6. the method that Set Top Box roll titles according to claim 1 shows, is characterized in that described picture generates at digital television system front end.
7. the method that Set Top Box roll titles according to claim 1 and 2 shows, it is characterized in that being divided into anterior splicing picture, content picture and rear portion splicing picture by the picture of described rolling content conversion, described anterior splicing picture and rear portion splicing picture lay respectively at the front and rear of described content picture.
8. the method that Set Top Box roll titles according to claim 3 shows, is characterized in that described Set Top Box screen first shows anterior splicing picture, then the content on displaying contents picture progressively, finally shows rear portion splicing picture.
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| CN201410320970.XA CN104065997A (en) | 2014-07-07 | 2014-07-07 | Method and system for displaying rolling captions of set top box |
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| CN106303659A (en) * | 2016-08-22 | 2017-01-04 | 暴风集团股份有限公司 | The method and system of picture and text captions are loaded in player |
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