CN103079042B - A kind of apparatus for processing of video signals and method - Google Patents
A kind of apparatus for processing of video signals and method Download PDFInfo
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- CN103079042B CN103079042B CN201110329029.0A CN201110329029A CN103079042B CN 103079042 B CN103079042 B CN 103079042B CN 201110329029 A CN201110329029 A CN 201110329029A CN 103079042 B CN103079042 B CN 103079042B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003672 processing method Methods 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 34
- 238000003786 synthesis reaction Methods 0.000 claims description 34
- 230000001360 synchronised effect Effects 0.000 claims description 22
- 230000006399 behavior Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001953 sensory effect Effects 0.000 description 4
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Abstract
The embodiment of the invention discloses a kind of apparatus for processing of video signals, including：Switching and merging circuit board, console, display terminal and at least two pieces video processing circuit boards, wherein：The video processing circuit board is included for processing at least video processing circuits of video source all the way, and the video processing circuits is connected with the console；The switching and merging circuit board includes signal switching circuit, and the signal switching circuit is connected with each piece of video processing circuit board respectively, and is connected with the console；The display terminal is connected with the signal switching circuit.Present invention also offers a kind of video signal processing method.It is an object of the invention to provide a kind of apparatus for processing of video signals and method, the switching of vision signal, and flicker free sense, the premonitoring function also with video image can be completed within the time of Millisecond.
Description
Technical field
The present invention relates to video signal treatment technique field, more particularly to a kind of apparatus for processing of video signals and method.
Background technology
The occasions such as video monitor are performed in a radio or TV programme in television set, LED display, schedule video monitoring, security video monitoring, TV station
In, it is frequently utilized that remote control or console are switched over to vision signal, and existing remote control or console are controlled
Video processor often only one piece of Video processing mainboard, i.e. veneer.Vision signal is carried out using veneer in the prior art
Treatment, video switching generally requires 1~4 second time, and switch speed is slow, and cannot provide premonitoring function, so-called premonitoring function,
The video image that will switch can be just seen before vision signal switching.To sum up, existing vision signal veneer treatment technology,
There is switch speed slow, there is no the defect of premonitoring function.
The content of the invention
Embodiment of the present invention technical problem to be solved is, there is provided a kind of apparatus for processing of video signals and method, can
The switching of vision signal is completed within the time of Millisecond, and can just see that what will be switched regards before vision signal switching
Frequency image.
In order to solve the above-mentioned technical problem, a kind of apparatus for processing of video signals is the embodiment of the invention provides, including：Switching
Combiner circuit plate, console, display terminal and at least two pieces video processing circuit boards, wherein：
The video processing circuit board is included for processing at least video processing circuits of video source all the way, and the video
Process circuit is connected with the console；
The switching and merging circuit board include signal switching circuit, and the signal switching circuit respectively with each piece of video
Process circuit plate is connected, and is connected with the console；
The display terminal is connected with the signal switching circuit.
Wherein, the video processing circuit board also includes：
The signal synchronization circuit being connected with the video processing circuits, the signal switching circuit is by the signal synchronization
Circuit is connected with each piece of video processing circuit board.
Wherein, stating switching and merging circuit board also includes：Signal synthesis circuit and dynamic memory,
Wherein：
The signal synthesis circuit is connected by the signal synchronization circuit with each piece of video processing circuit board；
The dynamic memory is connected with the signal synthesis circuit.
Wherein, also include：
For the previewer of video premonitoring, the previewer is connected with the signal synthesis circuit.
Correspondingly, the embodiment of the present invention additionally provides a kind of video signal processing method, including：
The video source selection instruction that at least two video processing circuits are sent according to user by console, respectively at least
A corresponding video source is selected in video source all the way, and Video processing is carried out to corresponding video source, obtain at least two
Vision signal；
Signal switching circuit is instructed according to user by the signal behavior that console sends, defeated in the video processing circuits
A corresponding vision signal, and output is selected to give the connected display terminal of the signal switching circuit and enter in the vision signal for going out
Row display.
Wherein, select to refer to by the video source that console sends according to user at least two video processing circuits
Order, respectively at least selecting a corresponding video source in video source all the way, and carries out Video processing to corresponding video source,
After the step of obtaining at least two vision signals, also include：
The vision signal that the signal synchronization circuit being connected with the video processing circuits is exported to the video processing circuits
Treatment is synchronized, synchronous video signal is obtained.
Wherein, the signal synchronization circuit being connected with the video processing circuits is exported to the video processing circuits
Vision signal synchronizes treatment, the step of obtain synchronous video signal, specifically includes：
The vision signal that the signal synchronization circuit being connected with the video processing circuits is exported in the video processing circuits
In arbitrarily selection one vision signal as master sync signal；
Frequency and phase according to the master sync signal synchronize treatment to remaining vision signal, obtain at least two
With frequently with the synchronous video signal of phase.
Wherein, the video processing circuits is exported in the signal synchronization circuit being connected with the video processing circuits
Vision signal synchronize treatment, the step of obtain synchronous video signal after, also include：
The synchronization video that the signal synthesis circuit being connected with the signal synchronization circuit is exported to the signal synchronization circuit
Signal is compressed treatment, obtains compressed video signal；
The compression video letter that the dynamic memory being connected with the signal synthesis circuit is exported to the signal synthesis circuit
Number stored.
Wherein, the signal synthesis circuit is exported in the dynamic memory being connected with the signal synthesis circuit
After the step of compressed video signal is stored, also include：
The signal synthesis circuit is successively read in the dynamic memory according to the sequencing of time and/or position and deposits
The compressed video signal of storage, synthesis treatment is carried out to the compressed video signal and obtains synthetic video signal, and output gives institute
The connected previewer of signal synthesis circuit is stated to be shown.
Implement the embodiment of the present invention, have the advantages that：
The embodiment of the present invention is by setting at least two pieces video processing circuit boards, i.e., many plates, using many plates simultaneously to video
Signal is processed, and the switching of vision signal can be completed within the time of Millisecond, and switch speed is greatly improved, and is at veneer
Thousand times of reason.At the same time, switching and merging circuit board and previewer are coordinated, the embodiment of the present invention provides premonitoring function simultaneously,
The video image that will switch just is seen before vision signal switching, video is switched more safely controllable, efficiently and accurately.
Additionally, synchronize treatment to vision signal using signal synchronization circuit, the same of frequency and phase all same is obtained
Switched over again after step vision signal, be avoided that when video switches and produce flickering, bring softer video to switch effect
Really, the sensory experience of user is lifted.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of apparatus for processing of video signals of the present invention；
Fig. 2 is the structural representation of the second embodiment of apparatus for processing of video signals of the present invention；
Fig. 3 is the flow chart of the first embodiment of video signal processing method of the invention；
Fig. 4 is the flow chart of the second embodiment of video signal processing method of the invention；
Specific 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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, is the structural representation of the first embodiment of apparatus for processing of video signals of the present invention.As shown in figure 1,
The apparatus for processing of video signals includes：Video processing circuit board 10~30, console 40, switching and merging circuit board 50 and aobvious
Show terminal 60, wherein：
The video processing circuit board 10~30 include for process at least all the way the video processing circuits 101 of video source~
301 and with the corresponding connected signal synchronization circuit 102~302 respectively of the video processing circuits 101~301, and the video
Process circuit 101~301 is connected with the console 40, signal switching circuit 501 by the signal synchronization circuit 102~
302 are connected with video processing circuit board 10~30.
Specifically, in the present embodiment, including three pieces of video processing circuit boards, specially video processing circuit board 10, regard
Frequency process circuit plate 20 and video processing circuit board 30, wherein there is a video processing circuits to use on every piece of video processing circuit board
In treatment at least video source all the way, video processing circuits 101, video processing circuits 201 and video processing circuits are specifically corresponded to
Plate 301, and video processing circuits 101, video processing circuits 201 and video processing circuit board 301 with the phase of the console 40
Even, video source selection instruction that user sent by the console 40 can be received at least selection is accordingly in video source all the way
Video source carries out Video processing.
Also have on every piece of video processing circuit board and the corresponding connected letter respectively of the video processing circuits 101~301
Number synchronous circuit 102~302, i.e. the electricity synchronous with signal of the video processing circuits 101 on the video processing circuit board 10
Road 102 is connected, and the video processing circuits 201 is connected with signal synchronization circuit 202 on the video processing circuit board 20,
The video processing circuits 301 is connected with signal synchronization circuit 302 on the video processing circuit board 30.The synchronous electricity of the signal
Road 102, signal synchronization circuit 202, signal synchronization circuit 302 are connected with signal switching circuit 501.
The switching and merging circuit board 50 include signal switching circuit 501, and the signal switching circuit 501 respectively with regard
Frequency process circuit plate 10~30 is connected, and is connected with the console 40.
Specifically, include signal switching circuit 501 on the switching and merging circuit board 50, and the signal switching circuit
501 are connected with the signal synchronization circuit 102, the signal synchronization circuit 202 and the signal synchronization circuit 302 respectively, together
Shi Suoshu signal switching circuits 501 are connected with the console 40, can receive the video that user is sent by the console 40
Signal behavior instruction selects corresponding vision signal to be exported at least one vision signal.
The display terminal 60 is connected with the signal switching circuit 501.
Specifically, the display terminal 60 is connected with the signal switching circuit 501, can be to the signal switching circuit
The vision signal of 501 outputs is shown.
In the present embodiment, it is to be illustrated by taking three pieces of video processing circuit boards as an example, in other embodiments, can be with
Two pieces or more polylith video processing circuit board is set to carry out multiple video sources Video processing, the number of video processing circuit board
Amount is more, and the parallel processing capability to video source is bigger.
The embodiment of the present invention is by setting three pieces of video processing circuit boards, i.e., many plates, using many plates simultaneously to vision signal
Processed, the switching of vision signal can be completed within the time of Millisecond, switch speed is greatly improved, be veneer treatment
Thousand times.
Meanwhile, treatment is synchronized to vision signal using signal synchronization circuit, obtain the same of frequency and phase all same
Switched over again after step vision signal, be avoided that when video switches and produce flickering, bring softer video to switch effect
Really, the sensory experience of user is lifted.
Fig. 2 is referred to, is the structural representation of the second embodiment of apparatus for processing of video signals of the present invention.The video letter
Number processing unit is included in the first embodiment of above-mentioned apparatus for processing of video signals：Video processing circuit board 10~30, control
Platform processed 40, switching and merging circuit board 50 and display terminal 60, in the present embodiment, the apparatus for processing of video signals is further wrapped
Include：Previewer 70, wherein：
The video processing circuit board 10~30 also includes be connected corresponding respectively with the video processing circuits 101~301
Signal synchronization circuit 102~302, the signal switching circuit 501 pass through the signal synchronization circuit 102~302 and video
Process circuit plate 10~30 is connected.
Specifically, the video processing circuits 101 is connected with signal synchronization circuit 102, the video processing circuits 201 with
Signal synchronization circuit 202 is connected, and the video processing circuits 301 is connected with signal synchronization circuit 302.The signal synchronization circuit
102nd, signal synchronization circuit 202, signal synchronization circuit 302 are connected with the signal switching circuit 501.
The switching and merging circuit board 50 also includes：Signal synthesis circuit 502 and dynamic memory 503, wherein：The letter
Number combiner circuit 502 is connected by the signal synchronization circuit 102~302 with video processing circuits 10~30；The dynamic is deposited
Reservoir 503 is connected with the signal synthesis circuit 502.
Specifically, the signal synchronization circuit 102, signal synchronization circuit 202, signal synchronization circuit 302 with the letter
Number combiner circuit 502 is connected.The dynamic memory 503 is connected with the signal synthesis circuit 502.
The previewer 70, for pre-monitoring frequency, is connected with the signal synthesis circuit 502.
Specifically, the previewer 70 is connected with the signal synthesis circuit 502, can be to the signal synthesis circuit
The vision signal of 502 synthesis is shown, i.e., while showing at least two vision signals in same screen, can be cut in video
The video image that will switch is seen before changing, i.e., premonitoring is carried out to video.
In the present embodiment, it is to be illustrated by taking three pieces of video processing circuit boards as an example, in other embodiments, Ke Yishe
Two pieces or more polylith video processing circuit board is put to carry out multiple video sources Video processing, the quantity of video processing circuit board
More, the parallel processing capability to video source is bigger.
The embodiment of the present invention is by setting three pieces of video processing circuit boards, i.e., many plates, using many plates simultaneously to vision signal
Processed, the switching of vision signal can be completed within the time of Millisecond, switch speed is greatly improved, be veneer treatment
Thousand times.
Additionally, synchronize treatment to vision signal using signal synchronization circuit, the same of frequency and phase all same is obtained
Switched over again after step vision signal, be avoided that when video switches and produce flickering, bring softer video to switch effect
Really, the sensory experience of user is lifted.
At the same time, switching and merging circuit board and previewer are coordinated, the embodiment of the present invention can provide premonitoring function, i.e.,
The video image that will switch just is seen before vision signal switching, video is switched more safely controllable, high efficiency smart.
Fig. 3 is referred to, is the flow chart of the first embodiment of video signal processing method of the invention.Methods described bag
Include：
S101, the video source selection instruction that at least two video processing circuits are sent according to user by console, respectively
At least selecting a corresponding video source in video source all the way, and Video processing is carried out to corresponding video source, obtain to
Few two vision signals.
Specifically, in the present embodiment, it is assumed that have three video processing circuits, each video processing circuits and N roads video source
It is connected.The video source selection instruction that each video processing circuits is sent according to user by console, respectively in the video source of N roads
Corresponding video source carries out Video processing all the way for selection, while obtaining N number of vision signal.
S102, signal switching circuit is instructed according to user by the signal behavior that console sends, in the Video processing
A corresponding vision signal is selected in the vision signal of circuit output, and output gives the connected display of the signal switching circuit
Terminal is shown.
Specifically, signal switching circuit is instructed according to user by the signal behavior that console sends, in the S101
A corresponding vision signal, and output is selected to give the signal and cut in N number of vision signal of the video processing circuits output
The connected display terminal of circuit is changed to be shown.
The embodiment of the present invention is by setting three pieces of video processing circuit boards, i.e., many plates, using many plates simultaneously to vision signal
Processed, the switching of vision signal can be completed within the time of Millisecond, switch speed is greatly improved, be veneer treatment
Thousand times.
Fig. 4 is referred to, is the flow chart of the second embodiment of video signal processing method of the invention.Methods described bag
Include：
S201, the video source selection instruction that at least two video processing circuits are sent according to user by console, respectively
At least selecting a corresponding video source in video source all the way, and Video processing is carried out to corresponding video source, obtain to
Few two vision signals.
S202, the video that the signal synchronization circuit being connected with the video processing circuits is exported to the video processing circuits
Signal synchronizes treatment, obtains synchronous video signal.
S203, signal switching circuit is instructed according to user by the signal behavior that console sends, in the signal synchronization
A corresponding synchronous video signal is selected in the synchronous video signal of circuit output, and output gives the signal switching circuit phase
Display terminal even is shown.
S204, it is synchronous with what the signal synthesis circuit that the signal synchronization circuit is connected was exported to the signal synchronization circuit
Vision signal is compressed treatment, obtains compressed video signal.
S205, the dynamic memory being connected with the signal synthesis circuit is regarded to the compression that the signal synthesis circuit is exported
Frequency signal is stored.
S206, the signal synthesis circuit is successively read the dynamic memory according to the sequencing of time and/or position
The compressed video signal stored in device, synthesis treatment is carried out to the compressed video signal and obtains synthetic video signal, and exported
The connected previewer of the signal synthesis circuit is given to be shown.
Specifically, the signal synchronization circuit being connected with the video processing circuits of the invention is to the video processing circuits
The vision signal of output synchronizes treatment, and the flow for obtaining synchronous video signal is further included：
Step 1, the signal synchronization circuit being connected with the video processing circuits is in regarding that the video processing circuits is exported
Arbitrarily one vision signal of selection is used as master sync signal in frequency signal.
Specifically, the vision signal 1 that the step 1 is typically chosen the output of video processing circuits 101 in default situations is made
It is master sync signal.
Step 2, frequency and phase according to the master sync signal synchronize treatment to remaining vision signal, obtain to
Few two with frequently with the synchronous video signal of phase.
Specifically, the step 2 is synchronized according to the frequency and phase of vision signal 1 to remaining N-1 vision signal
Treatment, obtains N number of with frequently with the synchronous video signal of phase.
The embodiment of the present invention is by setting at least two pieces video processing circuit boards, i.e., many plates, using many plates simultaneously to video
Signal is processed, and the switching of vision signal can be completed within the time of Millisecond, and switch speed is greatly improved, and is at veneer
Thousand times of reason.At the same time, switching and merging circuit board and previewer are coordinated, the embodiment of the present invention can provide premonitoring function,
The video image that will switch just is seen before vision signal switching, video is switched more safely controllable, efficiently and accurately.
Additionally, synchronize treatment to vision signal using signal synchronization circuit, the same of frequency and phase all same is obtained
Switched over again after step vision signal, be avoided that when video switches and produce flickering, bring softer video to switch effect
Really, the sensory experience of user is lifted.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware.Based on such understanding,
What technical scheme contributed to background technology can be embodied in the form of software product in whole or in part,
The computer software product can be stored in storage medium, and such as ROM/RAM, magnetic disc, CD, including some instructions are used to make
Obtain a computer equipment (can be personal computer, server, or network equipment etc.) and perform each embodiment of the invention
Or the method described in some parts of embodiment.
Above disclosed is only present pre-ferred embodiments, can not limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and will according to right of the present invention
Made equivalent variations are sought, the covered scope of invention is still fallen within.
Claims (3)
1. a kind of apparatus for processing of video signals, it is characterised in that including：Switching and merging circuit board, console, display terminal and
At least two pieces video processing circuit boards, wherein：
The video processing circuit board is included for processing at least video processing circuits of video source all the way, and the Video processing
Circuit is connected with the console；
The switching and merging circuit board include signal switching circuit, and the signal switching circuit respectively with each piece of Video processing
Circuit board is connected, and is connected with the console；
The display terminal is connected with the signal switching circuit；
The video processing circuit board also includes：The signal synchronization circuit being connected with the video processing circuits, the signal is cut
Circuit is changed to be connected with each piece of video processing circuit board by the signal synchronization circuit；
Wherein, the switching and merging circuit board also includes：Signal synthesis circuit and dynamic memory, the signal synthesis circuit lead to
The signal synchronization circuit is crossed to be connected with each piece of video processing circuit board；The dynamic memory and the signal synthesis circuit
It is connected；
Wherein, described device also includes：For the previewer of pre-monitoring frequency, the previewer and the signal synthesis circuit
It is connected.
2. a kind of video signal processing method, it is characterised in that including：
The video source selection instruction that at least two video processing circuits are sent according to user by console, respectively at least all the way
A corresponding video source is selected in video source, and Video processing is carried out to corresponding video source, obtain at least two videos
Signal；
The signal synchronization circuit being connected with the video processing circuits is carried out to the vision signal that the video processing circuits is exported
Synchronization process, obtains synchronous video signal；
The synchronous video signal that the signal synthesis circuit being connected with the signal synchronization circuit is exported to the signal synchronization circuit
Treatment is compressed, compressed video signal is obtained；
The dynamic memory being connected with the signal synthesis circuit enters to the compressed video signal that the signal synthesis circuit is exported
Row storage；
The signal synthesis circuit is successively read what is stored in the dynamic memory according to the sequencing of time and/or position
Compressed video signal, synthesis treatment is carried out to the compressed video signal and obtains synthetic video signal, and output gives the letter
The connected previewer of number combiner circuit is shown；
Signal switching circuit is instructed according to user by the signal behavior that console sends, in video processing circuits output
A corresponding vision signal, and output is selected to give the connected display terminal of the signal switching circuit and shown in vision signal
Show.
3. method as claimed in claim 2, it is characterised in that described synchronous with the video processing circuits is connected signal electric
Road synchronizes treatment to the vision signal that the video processing circuits is exported, the step of obtain synchronous video signal, specific bag
Include：
The signal synchronization circuit being connected with the video processing circuits is appointed in the vision signal that the video processing circuits is exported
Meaning one vision signal of selection is used as master sync signal；
Frequency and phase according to the master sync signal synchronize treatment to remaining vision signal, obtain at least two with frequency
With the synchronous video signal of phase.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110329029.0A CN103079042B (en) | 2011-10-26 | 2011-10-26 | A kind of apparatus for processing of video signals and method |
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| CN201110329029.0A CN103079042B (en) | 2011-10-26 | 2011-10-26 | A kind of apparatus for processing of video signals and method |
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| CN103079042B true CN103079042B (en) | 2017-06-23 |
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| CN105022300A (en) * | 2015-08-04 | 2015-11-04 | 苏州广能电子科技有限公司 | Platform for console |
| CN105491431B (en) * | 2015-12-11 | 2019-05-17 | 利亚德电视技术有限公司 | Control system for LED television complete machine |
| CN107068041A (en) * | 2017-04-14 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Video display controller and video display control method |
| CN110012254B (en) * | 2019-04-01 | 2021-08-24 | 深圳康佳电子科技有限公司 | Television and real-time visual information source switching processing method |
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| GB9200269D0 (en) * | 1992-01-08 | 1992-02-26 | Thomson Consumer Electronics | Programmable pop for wide screen television |
| CN100405832C (en) * | 2004-12-17 | 2008-07-23 | Tcl王牌电子(深圳)有限公司 | TV set apparatus capable of simultaneously receiving and playing multi-channel programs |
| CN102131105A (en) * | 2010-01-14 | 2011-07-20 | 索尼公司 | Information processing apparatus, information processing method, and program |
| CN201657134U (en) * | 2010-02-09 | 2010-11-24 | 深圳市唯奥视讯技术有限公司 | High-definition video seamless switching device |
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