CN107547811A - Realize that signal converting intercepts the method and device of multiple video pictures after handling - Google Patents
Realize that signal converting intercepts the method and device of multiple video pictures after handling Download PDFInfo
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Abstract
The present invention relates to realize signal converting processing after intercept multiple video pictures method, comprise the 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, the combined picture that more pictures are still displayed in full screen for picture-in-picture is judged, if picture-in-picture, to step S30；If combined picture, to step S40；S30, display TV picture is arranged to transparent or opaque two states 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, to step S50；S40, interception frame positioned into each picture into combined picture successively, and intercepted, to step S50；S50, each picture preservation by interception.This method can carry out flexible automatic sectional drawing to each picture of more pictures, lift Consumer's Experience.
Description
Technical field
The present invention relates to video broadcasting field, and in particular to a kind of to realize that signal converting intercepts multiple video pictures after handling
The device of method and application this method.
Background technology
With the progressively popularization of DTV and IPTV technologies, for user in order to watch TV programme, and can is enough
The program of IPTV service is watched, can be that television set is equipped with IPTV set top box and TV set-top box or simulated television simultaneously
Box.It is existing that TV signal is received by signal converting processing unit, and processing is combined to TV signal and IPTV signals, with
Realize and TV and IPTV service are watched by a television set simultaneously.A kind of signal turns as disclosed in patent 2009100904274
Processing method is connect, the audio overlap-add procedure transmitted by the audio and IPTV signals of television signal transmission, obtains combined picture letter
Number and combining audio signals, final signal switching processing unit 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 sectional drawing to the picture, then can only be according to existing sectional drawing technology when using combined picture
Scheme is implemented, and the way that prior art obtains video screen sectional drawing is to install sectional drawing softwares in intelligent television end, soft using sectional drawing
Part intercepts current video broadcasting pictures, saves as document with fixed format, is stored in television.But the technical scheme can only will be whole
The picture of individual screen, which is cut down, to be come；Each picture in more pictures can not be intercepted respectively, influence user's use quality.
The content of the invention
, can be to more it is an object of the invention to propose a kind of method realized signal converting and multiple video pictures are intercepted after handling
Each picture of picture carries out flexible automatic sectional drawing, lifts Consumer's Experience.
To achieve the above object, the technical solution adopted in the present invention is to intercept regard after one kind realizes signal converting processing more
The method of frequency picture, comprises the 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, to step S30；If combined picture, to step S40；
S30, display TV picture is arranged to transparent or opaque two states in advance；
When S31, interception sprite, interception confines position to sprite and intercepts the sprite；When intercepting key frame, sprite
Pellucidity is converted into, interception is confined position to key frame and intercepted, to step S50；
S40, interception frame positioned into each picture into combined picture successively, and intercepted, to step S50；
S50, each picture preservation by interception.
Further, the intercept method of key frame is specially in the step S31：
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, interception frame interception key frame；
Interception finishes, then when interception frame does not overlap with key frame edge, the sprite is converted into opaque state.
Further, the intercept method of each picture includes in the step S40：Interception confines position to the mesh to be intercepted
Picture is marked, and the adjustment of its size is in the same size with the capturing picture, then intercept target picture；
Wherein intercept the positioning of frame and adjustment is specially：The diagonal place screen coordinate (x, y) of interception frame is set and 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 the more specific of picture marginal position is in the step S20：By the arbitrary coordinate of a picture marginal position
(xa、ya) with the coordinate gap ratios of other picture marginal positions compared with if the arbitrary coordinate (xa、ya) in the coordinate spacing model
In enclosing, then it is judged as picture-in-picture；Otherwise it is other；
Wherein, the coordinate spacing refers to the coordinate x of corresponding picture marginal positionnMinimum value xn1With maximum xn2Between
Spacing and coordinate ynMinimum value yn1With maximum yn2Between spacing.
Further, the triggering shot operation instruction is by the shortcut on remote control or the voice controller being provided with
Triggering.
Another improvement project of the invention, methods described also include：After the completion of capturing picture, according to picture type to the picture
Face is named and cached；
It is described to be named as coded strings, and the coded strings comprise at least the identification of TV signal or IPTV signals transmission video
Code, and the identification code of picture-in-picture or combined picture；The identification code of wherein described picture-in-picture also includes key frame or sprite
Distinguish code.
It is random that interception order of the frame to combined picture is intercepted in another specific improvement project, in the step S40
's.
Interception order of the frame to combined picture is intercepted in another preferred scheme of vision method of the present invention, in the step S40
To be adjustable, the interception confines position to the target picture of required interception, and dead time, Yong Huke are provided with before sectional drawing occurs
By selecting key to be adjusted target picture up and down on remote control.
Another aspect of the present invention additionally provides a kind of device for intercepting multiple video pictures realized after signal converting processing, institute
Stating device includes
Multiple solutions identification module, the bezel locations at each interface in recognition combination interface；
Picture judge 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 display TV picture to be arranged into transparent or opaque two states 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
Change；
Interception module, the picture of accurate positioning is intercepted.
Further, described device also includes
Cache module, after the completion of capturing picture, the picture is named and cached according to picture type；
Coded strings generation module, for the picture of interception to be named as into coded strings, coded strings comprise at least TV signal or
IPTV signals transmit the identification code of video, and the identification code of picture-in-picture or combined picture；The identification code of wherein described picture-in-picture
Also include the differentiation code of key frame or sprite.
The present invention realizes that signal converting intercepts the method and device of multiple video pictures by identifying more picture types after handling,
And the screenshot method according to corresponding to different picture type uses, so as to effectively accurately intercept each picture.The inventive method
Automatic identification picture type, and optionally to combined picture sectional drawing, it is good with flexibility, and lift Consumer's Experience.
Brief description of the drawings
Fig. 1 is that the present invention realizes that signal converting intercepts a kind of signal of embodiment of the method for multiple video pictures after handling
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 that the present invention realizes that signal converting intercepts a kind of structure of embodiment of the device of multiple video pictures after handling
Schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Below with reference to the accompanying drawings embodiments of the invention are described.Referring to Fig. 1, realize that signal converting is handled for the present invention
The schematic diagram of the first embodiment of the method for multiple video pictures is intercepted afterwards.
Realize in the present embodiment signal converting processing after intercept multiple video pictures method be used for TV signal and IPTV
The interception of the more pictures shown after signal converting and combination, methods described comprise 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 control, can also by with TV
Other mobile devices communicated etc..In a preferred embodiment, the triggering shot operation instruction is by remote control
Shortcut or be provided with voice controller triggering.
Specifically identified and be referred to as in the step：Realized by identifying the screen coordinate (x, y) at 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, to step S30；If combined picture, to step S40；
Each the more specific of picture marginal position is in the step S20：By the arbitrary coordinate of a picture marginal position
(xa、ya) with the coordinate gap ratios of other picture marginal positions compared with if the arbitrary coordinate (xa、ya) in the coordinate spacing model
In enclosing, then it is judged as picture-in-picture；Otherwise it 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 xn2Between
Spacing and coordinate ynMinimum value yn1With maximum yn2Between spacing.
For example, shown in Fig. 2, by certain coordinate of picture edge one (12.44,24.11) and another picture marginal position
Coordinate gap ratio compared with when, calculate another picture coordinate xnMinimum value xn1For (9.45), maximum xn2For (88.42), then
(12.44) in section [9.45,88.42]；Its coordinates ynMinimum value yn1For (3.89), maximum 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 form of the picture with another picture for picture-in-picture.
S30, display TV picture is arranged to transparent or opaque two states in advance；
When S31, interception sprite, interception confines position to sprite and intercepts the sprite；When intercepting key frame, sprite
Pellucidity is converted into, interception is confined position to key frame and intercepted, to step S50；
Wherein the intercept method of key frame is as shown in figure 3, be specially：
(1) when intercepting key frame, interception frame overlaps completely with key frame edge, then triggers sprite conversion instruction, described
Sprite is converted into pellucidity, interception frame interception key frame；
(2) interception finishes, then when interception frame does not overlap with key frame edge, the sprite is converted into opaque state.
The localization method of interception frame in the step is：The coordinate position of screen enters where system sprite and key frame
Row collection, the mainly coordinate at the four of picture angle；The diagonal place screen coordinate (x, y) of interception frame is set and to be intercepted picture
The diagonal place screen coordinate (x in facen、yn) identical, then complete the positioning of interception frame.
S40, interception frame positioned into each picture into combined picture successively, and intercepted, to 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 of frame and adjustment is specially：The diagonal place screen coordinate (x, y) of interception frame is set and wanted
The diagonal place screen coordinate (x of capturing picturen、yn) identical.
It is random or optional that interception order of the frame to combined picture is intercepted in the step.
Wherein, interception order of the interception frame to combined picture is optional time, and the interception confines position to required interception
Target picture, and the dead time is provided with before sectional drawing occurs, user can be by selecting key to be adjusted up and down on remote control
Whole target picture.Dead time is in some embodiments 1~3s, i.e., in 1~3s of dead time, user can be by that will control
Device selection target picture processed, during more than the dead time, system then intercepts positioned picture automatically.It is new when being adjusted by remote control
Target picture when, dead time then restatement.
S50, each picture preservation by interception.
In the inventive method, the picture finished is intercepted to each, the picture is named and cached according to picture type；
It is described to be named as coded strings, and the coded strings comprise at least TV signal or the identification code of IPTV signals transmission video, Yi Jihua
The identification code of middle picture or combined picture；The identification code of wherein described picture-in-picture also includes the differentiation code of key frame or sprite.
For example, coded strings are made up of 18 letter or numbers, the form of the coded strings is " TV signal or IPTV letters
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 " represent picture-in-picture, its
" 1 " statement key frame below, " d246fs19842 " is then random code；And for example coded strings are IPTV200499ra25324k, its
In " IPTV " expression identification code of video " IPTV signals transmit ", " 200 " represent combined picture, " 499ra25324k " be then with
Machine code.
Fig. 4 also show the embodiment that the present invention realizes the device of the interception multiple video pictures after signal converting processing.
Described device includes
Multiple solutions identification module 10, the bezel locations at each interface in recognition combination interface；
Picture judge 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 display TV picture to be arranged into transparent or opaque two states 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
Change；
Interception module 15, the picture of accurate positioning is intercepted；
Cache module 16, after the completion of capturing picture, the picture is named and cached according to picture type；
Coded strings generation module 17, for the picture of interception to be named as into coded strings, coded strings comprise at least TV signal
Or the identification code of IPTV signals transmission video, and the identification code of picture-in-picture or combined picture；The identification of wherein described picture-in-picture
Code also includes the differentiation code of key frame or sprite.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, it can be as the part that unit is shown or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Make to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform
Method described in some parts of each embodiment or embodiment.
Embodiments described above, the restriction to the technical scheme protection domain is not formed.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (10)
1. a kind of method realized signal converting and multiple video pictures are intercepted after handling, including turn for TV signal and IPTV signals
The interception for the more pictures for connecing and being shown after combining, it is characterised in that methods described comprises 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, to step S30；If combined picture, to step S40；
S30, display TV picture is arranged to transparent or opaque two states in advance；
When S31, interception sprite, interception confines position to sprite and intercepts the sprite；When intercepting key frame, sprite conversion
Into pellucidity, interception is confined position to key frame and intercepted, to step S50；
S40, interception frame positioned into each picture into combined picture successively, and intercepted, to step S50；
S50, each picture preservation by interception.
2. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
The intercept method of key frame is specially in step S31：
When intercepting key frame, interception frame overlaps completely with key frame edge, then triggers sprite conversion instruction, and the sprite turns
Change pellucidity, interception frame interception key frame into；
Interception finishes, then when interception frame does not overlap with key frame edge, the sprite is converted into opaque state.
3. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
The intercept method of each picture includes in step S40：Interception confines position to the target picture to be intercepted, and its size is adjusted
It is in the same size with the capturing picture, then intercept target picture；
Wherein intercept the positioning of frame and adjustment is specially：The diagonal place screen coordinate (x, y) of interception frame is set with to be intercepted
The diagonal place screen coordinate (x of picturen、yn) identical.
4. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
In step S10 the side of each picture in the more pictures of identification is realized by identifying the screen coordinate (x, y) at each four angles of picture
Edge position；
Each the more specific of picture marginal position is in the step S20：By the arbitrary coordinate (x of a picture marginal positiona、
ya) with the coordinate gap ratios of other picture marginal positions compared with if the arbitrary coordinate (xa、ya) in the coordinate spacing range,
Then it is judged as picture-in-picture；Otherwise it is other；
Wherein, the coordinate spacing refers to the coordinate x of corresponding picture marginal positionnMinimum value xn1With maximum xn2Between spacing
And coordinate ynMinimum value yn1With maximum yn2Between spacing.
5. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
Triggering shot operation instruction is triggered by the shortcut on remote control or the voice controller being provided with.
6. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
Method also includes：After the completion of capturing picture, the picture is named and cached according to picture type；
It is described to be named as coded strings, and the coded strings comprise at least TV signal or the identification code of IPTV signals transmission video, with
And the identification code of picture-in-picture or combined picture；The identification code of wherein described picture-in-picture also includes the differentiation of key frame or sprite
Code.
7. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
It is random that interception order of the frame to combined picture is intercepted in step S40.
8. the method as claimed in claim 1 realized signal converting and multiple video pictures are intercepted after handling, it is characterised in that described
It is adjustable that interception order of the frame to combined picture is intercepted in step S40, and the interception is confined position to the target of required interception and drawn
Face, and the dead time is provided with before sectional drawing occurs, user can be by selecting key to be adjusted target picture up and down on remote control
Face.
9. a kind of device for intercepting multiple video pictures realized after signal converting processing, it is characterised in that described device includes
Multiple solutions identification module, the bezel locations at each interface in recognition combination interface；
Picture judge module, for being compared according to each picture marginal position, judge more pictures for picture-in-picture or full frame
The combined picture of display；
Picture presetting module, for display TV picture to be arranged into transparent or opaque two states 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, the picture of accurate positioning is intercepted.
10. the device as claimed in claim 9 that intercept multiple video pictures realized after signal converting processing, it is characterised in that
Described device also includes
Cache module, after the completion of capturing picture, the picture is named and cached according to picture type；
Coded strings generation module, for the picture of interception to be named as into coded strings, coded strings comprise 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 identification code of wherein described picture-in-picture is also wrapped
Include the differentiation code of key frame or sprite.
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| CN110662113A (en) * | 2019-09-25 | 2020-01-07 | 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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| CN107547811B (en) | 2019-10-18 |
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