CN107547811B - Realize the method and device that multiple video pictures are intercepted after signal converting is handled - Google Patents
Realize the method and device that multiple video pictures are intercepted after signal converting is handled Download PDFInfo
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Abstract
The present invention relates to the method for realizing that signal converting intercepts multiple video pictures after handling, includes the following steps: that S10, response user trigger shot operation instruction, identify the marginal position of each picture in more pictures；S20, compared according to each picture marginal position, judge the combined picture that more pictures are still displayed in full screen for picture-in-picture, if picture-in-picture, until step S30；If combined picture, until step S40；S30, by display TV picture transparent or opaque two states are set in advance；When S31, interception sprite, interception confines position to sprite and intercepts the sprite；When intercepting key frame, sprite is converted into pellucidity, and interception is confined position to key frame and intercepted, until step S50；S40, interception frame is successively positioned into each picture into combined picture, and intercepted, until step S50；S50, each picture of interception is saved.This method can carry out flexible automatic screenshot to each picture of more pictures, promote user experience.
Description
Technical field
The present invention relates to video broadcasting fields, and in particular to a kind of realize intercepts multiple video pictures after signal converting is handled
The device of method and application this method.
Background technique
With the gradually popularization of DTV and IPTV technology, user, and can in order to watch TV programme
It watches the program of IPTV service, IPTV set top box and TV set-top box or simulated television can be equipped with simultaneously for television set
Box.It is existing that TV signal is received by signal converting processing unit, and processing is combined to TV signal and IPTV signal, with
It realizes and TV and IPTV service is watched by a television set simultaneously.A kind of signal turn as disclosed in patent 2009100904274
Processing method is connect, the audio superposition processing transmitted by the audio and IPTV signal of television signal transmission obtains combined picture letter
Number and combining audio signals, final signal processing unit of transferring send the combined picture signal of picture-in-picture or full screen display to described
Audio-video signal playing device is shown.
User such as wants to carry out screenshot to the picture, then can only be according to existing screenshot technology when using combined picture
Scheme is implemented, and the way that the prior art obtains video screen screenshot is to install sectional drawing softwares in intelligent television end, soft using screenshot
Part intercepts current video broadcasting pictures, saves as document with fixed format, is stored in television.But the technical solution can only will be whole
The picture of a screen, which is cut down, to be come；Each picture in more pictures can not be intercepted respectively, influence user and use quality.
Summary of the invention
It is an object of the invention to propose it is a kind of realize signal converting processing after intercept multiple video pictures method, can be to more
Each picture of picture carries out flexible automatic screenshot, promotes user experience.
To achieve the above object, the technical scheme adopted by the invention is that intercepting more views after a kind of processing of realization signal converting
The method of frequency picture, includes the following steps:
S10, response user trigger shot operation instruction, identify the marginal position of each picture in more pictures；
S20, compared according to each picture marginal position, judge the combination that more pictures are still displayed in full screen for picture-in-picture
Picture, if picture-in-picture, until step S30；If combined picture, until step S40；
S30, by display TV picture transparent or opaque two states are set in advance；
When S31, interception sprite, interception confines position to sprite and intercepts the sprite；When intercepting key frame, sprite
It is converted into pellucidity, interception is confined position to key frame and intercepted, until step S50；
S40, interception frame is successively positioned into each picture into combined picture, and intercepted, until step S50；
S50, each picture of interception is saved.
Further, in the step S31 key frame intercept method specifically:
When intercepting key frame, interception frame overlaps completely with key frame edge, then triggers sprite conversion instruction, the sub- picture
Face is converted into pellucidity, and interception frame intercepts key frame；
Interception finishes, then intercepts frame and when key frame edge does not overlap, the sprite is converted into opaque state.
Further, the intercept method of each picture includes: that interception confines position to the mesh to be intercepted in the step S40
Picture is marked, and the adjustment of its size is in the same size with the capturing picture, then intercepts target picture；
Wherein intercept the positioning and adjustment of frame specifically: the diagonal place screen coordinate (x, y) of interception frame is arranged and is wanted
The diagonal place screen coordinate (x of capturing picturen、yn) identical.
Further, identification is realized by identifying the screen coordinate (x, y) at each four angles of picture in the step S10
The marginal position of each picture in more pictures；
Each picture marginal position is more specific in the step S20 are as follows: by the arbitrary coordinate of a picture marginal position
(xa、ya) compared with the coordinate spacing of other picture marginal positions, if the arbitrary coordinate (xa、ya) in the coordinate spacing model
In enclosing, then it is judged as picture-in-picture；It otherwise is other；
Wherein, the coordinate spacing refers to the coordinate x of corresponding picture marginal positionnMinimum value xn1With maximum value xn2Between
Spacing and coordinate ynMinimum value yn1With maximum value yn2Between spacing.
Further, the triggering shot operation instruction is by the shortcut key on remote controler or the voice controller being equipped with
Triggering.
Another improvement project of the invention, the method also includes: after the completion of capturing picture, according to picture type to the picture
Face is named and caches；
It is described to be named as coded strings, and the coded strings include at least the identification of TV signal or IPTV signal transmission video
The identification code of code and picture-in-picture or combined picture；Wherein the identification code of the picture-in-picture further includes key frame or sprite
Distinguish code.
It is random to the interception sequence of combined picture that frame is intercepted in another specific improvement project, in the step S40
's.
Frame is intercepted in another preferred embodiment of vision method of the present invention, in the step S40 to the interception sequence of combined picture
It is described to intercept the target picture for confining position to required interception to be adjustable, and dead time, Yong Huke are equipped with before screenshot occurs
By selecting key to be adjusted target picture up and down on remote controler.
Another aspect of the present invention additionally provides a kind of device for realizing signal converting treated interception multiple video pictures, institute
Stating device includes
Multiple solutions identification module, the bezel locations at each interface in recognition combination interface；
Picture judgment module, for being compared according to each picture marginal position, judge more pictures for picture-in-picture still
The combined picture of full screen display；
Picture presetting module, for setting transparent or opaque two states for display TV picture in advance；
Frame locating module is intercepted, interception is confined into position to required capturing picture；
Picture conversion module, for turning according between the interception frame positioning scenarios triggering transparent or opaque state of picture
It changes；
Interception module intercepts the picture of accurate positioning.
Further, described device further includes
Cache module, for the picture being named and being cached according to picture type after the completion of capturing picture；
Coded strings generation module, for the picture of interception to be named as coded strings, coded strings include at least TV signal or
IPTV signal transmits the identification code of video and the identification code of picture-in-picture or combined picture；The wherein identification code of the picture-in-picture
It further include the differentiation code of key frame or sprite.
The method and device that multiple video pictures are intercepted after present invention realization signal converting processing, which passes through, identifies more picture types,
And corresponding screenshot method is used according to different picture types, to effectively accurately intercept each picture.The method of the present invention
Automatic identification picture type, and optionally have flexibility good combined picture screenshot, and promote user experience.
Detailed description of the invention
Fig. 1 is the signal that a kind of embodiment of method of multiple video pictures is intercepted after present invention realization signal converting is handled
Figure；
Fig. 2 is picture-in-picture coordinate position schematic diagram of the present invention；
Fig. 3 is the schematic diagram of the intercept method of key frame of the present invention；
Fig. 4 is the structure that a kind of embodiment of device of multiple video pictures is intercepted after present invention realization signal converting is handled
Schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Below with reference to the accompanying drawings the embodiment of the present invention is described.Referring to Fig. 1, signal converting processing is realized for the present invention
The schematic diagram of the first embodiment of the method for multiple video pictures is intercepted afterwards.
The method of multiple video pictures is intercepted for TV signal and IPTV after realizing signal converting processing in the present embodiment
The interception of the more pictures shown after signal converting and combination, the method include at least
S10, response user trigger shot operation instruction, identify the marginal position of each picture in more pictures；
The mode that user of the present invention triggers shot operation instruction is unlimited, can by remote controler, can also by with TV
Other mobile devices communicated etc..In a preferred embodiment, the triggering shot operation instruction is by remote controler
Shortcut key or be equipped with voice controller triggering.
It specifically identified and was known as in the step: screen coordinate (x, y) Lai Shixian by identifying each four angles of picture
Identify the marginal position of each picture in more pictures.
S20, compared according to each picture marginal position, judge the combination that more pictures are still displayed in full screen for picture-in-picture
Picture, if picture-in-picture, until step S30；If combined picture, until step S40；
Each picture marginal position is more specific in the step S20 are as follows: by the arbitrary coordinate of a picture marginal position
(xa、ya) compared with the coordinate spacing of other picture marginal positions, if the arbitrary coordinate (xa、ya) in the coordinate spacing model
In enclosing, then it is judged as picture-in-picture；It otherwise is the combined picture of full screen display；
Wherein, the coordinate spacing refers to the coordinate x of corresponding picture marginal positionnMinimum value xn1With maximum value xn2Between
Spacing and coordinate ynMinimum value yn1With maximum value yn2Between spacing.
For example, shown in Fig. 2, by certain one coordinate of picture edge (12.44,24.11) and another picture marginal position
When coordinate spacing compares, calculate another picture coordinate xnMinimum value xn1For (9.45), maximum value xn2For (88.42), then
(12.44) in section [9.45,88.42]；Its coordinates ynMinimum value yn1For (3.89), maximum value yn2For (76.01), then
(24.11) in section [3.89,76.01], i.e. the coordinate (12.44,24.11) in the coordinate spacing range of another picture,
Judge the picture and another picture for the form of picture-in-picture.
S30, by display TV picture transparent or opaque two states are set in advance；
When S31, interception sprite, interception confines position to sprite and intercepts the sprite；When intercepting key frame, sprite
It is converted into pellucidity, interception is confined position to key frame and intercepted, until step S50；
Wherein key frame intercept method as shown in figure 3, specifically:
(1) when intercepting key frame, interception frame overlaps completely with key frame edge, then triggers sprite conversion instruction, described
Sprite is converted into pellucidity, and interception frame intercepts key frame；
(2) interception finishes, then intercepts frame and when key frame edge does not overlap, the sprite is converted into opaque state.
The localization method of interception frame in the step are as follows: the coordinate position of screen where system sprite and key frame into
Row acquisition, the mainly coordinate at the four of picture angle；The diagonal place screen coordinate (x, y) of interception frame is arranged and the picture of being intercepted
The diagonal place screen coordinate (x in facen、yn) identical, then complete the positioning of interception frame.
S40, interception frame is successively positioned into each picture into combined picture, and intercepted, until step S50；
Interception confines position to the target picture to be intercepted, and the adjustment of its size is in the same size with the capturing picture,
Then intercept target picture；
Wherein intercept the positioning and adjustment of frame specifically: the diagonal place screen coordinate (x, y) of interception frame is arranged and is wanted
The diagonal place screen coordinate (x of capturing picturen、yn) identical.
It is random or optional to the interception sequence of combined picture that frame is intercepted in the step.
Wherein, the interception frame is optional time to the interception sequence of combined picture, and the interception confines position to required interception
Target picture, and before screenshot occurs be equipped with the dead time, user can be by selecting key to adjust up and down on remote controler
Whole target picture.Dead time is 1~3s in some embodiments, i.e., in 1~3s of dead time, user can be by that will control
Device selection target picture processed, when being more than the dead time, system then intercepts positioned picture automatically.It is new when being adjusted by remote controler
Target picture when, dead time then restatement.
S50, each picture of interception is saved.
In the method for the present invention, to each picture for intercepting and finishing, the picture is named and is cached according to picture type；
It is described to be named as coded strings, and the coded strings include at least the identification code of TV signal or IPTV signal transmission video, Yi Jihua
The identification code of middle picture or combined picture；Wherein the identification code of the picture-in-picture further includes the differentiation code of key frame or sprite.
For example, coded strings are made of 18 letter or numbers, the form of the coded strings is " TV signal or IPTV letter
Number transmission video identification code+picture-in-picture or combined picture identification code+random code ", as coded strings are
TVxx101d246fs19842, wherein " TVxx " expression " identification code of television signal transmission video ", " 10 " indicate picture-in-picture,
Subsequent " 1 " states key frame, and " d246fs19842 " is then random code；For another example coded strings are IPTV200499ra25324k,
In " IPTV " expression identification code of video " IPTV signal transmission ", " 200 " indicate combined picture, " 499ra25324k " then for
Machine code.
Fig. 4 also show the present invention realize signal converting treated interception multiple video pictures device embodiment.
Described device includes
Multiple solutions identification module 10, the bezel locations at each interface in recognition combination interface；
Picture judgment module 11, for being compared according to each picture marginal position, judge more pictures for picture-in-picture also
It is the combined picture of full screen display；
Picture presetting module 12, for setting transparent or opaque two states for display TV picture in advance；
Frame locating module 13 is intercepted, interception is confined into position to required capturing picture；
Picture conversion module 14, for turning according between the interception frame positioning scenarios triggering transparent or opaque state of picture
It changes；
Interception module 15 intercepts the picture of accurate positioning；
Cache module 16, for the picture being named and being cached according to picture type after the completion of capturing picture；
Coded strings generation module 17, for the picture of interception to be named as coded strings, coded strings include at least TV signal
Or IPTV signal transmits the identification code of video and the identification code of picture-in-picture or combined picture；The wherein identification of the picture-in-picture
Code further includes the differentiation code of key frame or sprite.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes
Method described in certain parts of each embodiment or embodiment.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (9)
1. a kind of realize intercepts the method for multiple video pictures after signal converting is handled, including turns for TV signal and IPTV signal
The interception of more pictures for connecing and being shown after combining, which is characterized in that the method includes at least
S10, response user trigger shot operation instruction, identify the marginal position of each picture in more pictures；
S20, compared according to each picture marginal position, judge the combination picture that more pictures are still displayed in full screen for picture-in-picture
Face, if picture-in-picture, until step S30；If combined picture, until step S40；
S30, by display TV picture transparent or opaque two states are set in advance；
When S31, interception sprite, interception confines position to sprite and intercepts the sprite；
When intercepting key frame, interception frame overlaps completely with key frame edge, then triggers sprite conversion instruction, and the sprite turns
Change pellucidity into, interception frame intercepts key frame；Interception finishes, then intercepts frame and when key frame edge does not overlap, the sub- picture
Face is converted into opaque state, until step S50；
S40, interception frame is successively positioned into each picture into combined picture, and intercepted, until step S50；
S50, each picture of interception is saved.
2. intercepting the method for multiple video pictures after realizing signal converting processing as described in claim 1, which is characterized in that described
The intercept method of each picture includes: that interception confines position to the target picture to be intercepted, and its size is adjusted in step S40
It is in the same size with the capturing picture, then intercept target picture；
Wherein intercept the positioning and adjustment of frame specifically: the diagonal place screen coordinate (x, y) of interception frame is arranged and to be intercepted
The diagonal place screen coordinate (x of picturen、yn) identical.
3. intercepting the method for multiple video pictures after realizing signal converting processing as described in claim 1, which is characterized in that described
The side for identifying each picture in more pictures is realized by identifying the screen coordinate (x, y) at each four angles of picture in step S10
Edge position；
Each picture marginal position is more specific in the step S20 are as follows: by the arbitrary coordinate (x of a picture marginal positiona、
ya) compared with the coordinate spacing of other picture marginal positions, if the arbitrary coordinate (xa、ya) in the coordinate spacing range,
Then it is judged as picture-in-picture；It otherwise is other；
Wherein, the coordinate spacing refers to the coordinate x of corresponding picture marginal positionnMinimum value xn1With maximum value xn2Between spacing
And coordinate ynMinimum value yn1With maximum value yn2Between spacing.
4. intercepting the method for multiple video pictures after realizing signal converting processing as described in claim 1, which is characterized in that described
Triggering shot operation instruction is triggered by the shortcut key on remote controler or the voice controller being equipped with.
5. intercepting the method for multiple video pictures after realizing signal converting processing as described in claim 1, which is characterized in that described
Method further include: after the completion of capturing picture, the picture is named and is cached according to picture type；
It is described to be named as coded strings, and the coded strings include at least the identification code of TV signal or IPTV signal transmission video, with
And the identification code of picture-in-picture or combined picture；Wherein the identification code of the picture-in-picture further includes the differentiation of key frame or sprite
Code.
6. intercepting the method for multiple video pictures after realizing signal converting processing as described in claim 1, which is characterized in that described
It is random to the interception sequence of combined picture that frame is intercepted in step S40.
7. intercepting the method for multiple video pictures after realizing signal converting processing as described in claim 1, which is characterized in that described
Interception frame is adjustable to the interception sequence of combined picture in step S40, and the target that position is confined in the interception to required interception is drawn
Face, and the dead time is equipped with before screenshot occurs, user can be by selecting key to be adjusted target picture up and down on remote controler
Face.
8. a kind of realization signal converting using claim 1-7 the method treated interception multiple video pictures device,
It is characterized in that, described device includes
Multiple solutions identification module, the bezel locations at each interface in recognition combination interface；
Picture judgment module judges more pictures for picture-in-picture or full frame for being compared according to each picture marginal position
The combined picture of display；
Picture presetting module, for setting transparent or opaque two states for display TV picture in advance；
Frame locating module is intercepted, interception is confined into position to required capturing picture；
Picture conversion module, for according to the conversion between the interception frame positioning scenarios triggering transparent or opaque state of picture；
Interception module intercepts the picture of accurate positioning.
9. as claimed in claim 8 realize signal converting treated interception multiple video pictures device, which is characterized in that institute
Stating device further includes
Cache module, for the picture being named and being cached according to picture type after the completion of capturing picture；
Coded strings generation module, for the picture of interception to be named as coded strings, coded strings include at least TV signal or IPTV
Signal transmits the identification code of video and the identification code of picture-in-picture or combined picture；Wherein the identification code of the picture-in-picture is also wrapped
Include the differentiation code of key frame or sprite.
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| CN108965961B (en) * | 2018-09-05 | 2021-09-07 | 北京奇艺世纪科技有限公司 | Multimedia data processing method and device and screen projection equipment |
| CN110662113B (en) * | 2019-09-25 | 2021-06-11 | 腾讯音乐娱乐科技（深圳）有限公司 | Video playing method and device and computer readable storage medium |
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| CN105100870A (en) * | 2015-07-23 | 2015-11-25 | 海信集团有限公司 | Screenshot method and terminal equipment |
| WO2016095429A1 (en) * | 2014-12-17 | 2016-06-23 | 中兴通讯股份有限公司 | Screenshot method and device for mobile terminal |
| CN105867736A (en) * | 2016-03-29 | 2016-08-17 | 努比亚技术有限公司 | Multi-level interface screenshot device and method |
| CN106792101A (en) * | 2017-01-03 | 2017-05-31 | 青岛海信电器股份有限公司 | Home interface method of adjustment, device and intelligent television |
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| CN102023852A (en) * | 2009-09-15 | 2011-04-20 | 深圳市巨龙科教高技术股份有限公司 | Screen capture method and system |
| WO2016095429A1 (en) * | 2014-12-17 | 2016-06-23 | 中兴通讯股份有限公司 | Screenshot method and device for mobile terminal |
| CN105100870A (en) * | 2015-07-23 | 2015-11-25 | 海信集团有限公司 | Screenshot method and terminal equipment |
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