CN105657292A - Cascading method and cascading system for multiple video stitching processors - Google Patents
Cascading method and cascading system for multiple video stitching processors Download PDFInfo
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- CN105657292A CN105657292A CN201610064488.3A CN201610064488A CN105657292A CN 105657292 A CN105657292 A CN 105657292A CN 201610064488 A CN201610064488 A CN 201610064488A CN 105657292 A CN105657292 A CN 105657292A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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Abstract
The present invention discloses a cascading method and a cascading system for multiple video stitching processors. The method comprises the steps that a first video stitching processor receives a video input signal, converts the video input signal into a first serial signal, and sends the first serial signal to a second video stitching processor by using a first serial interface; and the second video stitching processor receives the first serial signal, converts the first serial signal into a parallel signal and copies the parallel signal to obtain two paths of parallel signal, converts any one of the two paths of parallel signal into a second serial signal, and sends the second serial signal to a third video stitching processor by using a second serial interface. According to the method, the technical problem of how to simply send a video signal to multiple video stitching processors simultaneously is solved.
Description
Technical field
The embodiment of the present invention relates to technical field of image processing, especially relates to method and the cascade system of a kind of multiple stage video-splicing treater cascade.
Background technology
Video-splicing treater is as video processing and operating device, main function Shi Ba mono-tunnel vision signal is divided into multiple display unit, display unit signal after segmentation is outputted to multiple display terminal, and completes with multiple display screen splicing composition complete image. As shown in Figure 1, when a use scenes needs multiple stage video-splicing treater, an input signal source may need to send signal to multiple stage video-splicing treater simultaneously, at this moment generally adopts the equipment more than one point of divider and so on. Thus, the complexity of cascade is added.
In view of this, special proposition the present invention.
Summary of the invention
The main purpose of the embodiment of the present invention is to provide a kind of method of multiple stage video-splicing treater cascade, and it solves the technical problem how simultaneously not increasing complexity for multiple stage video-splicing treater sends vision signal at least in part. In addition, a kind of multiple stage video-splicing treater cascade system is also provided.
In order to realize above-mentioned purpose, according to an aspect of the present invention, it provides following technical scheme:
A method for multiple stage video-splicing treater cascade, wherein, is connected by serial line interface between described multiple stage video-splicing treater;
Described method at least comprises:
First video-splicing treater receives video input signals, converts described video input signals to first serial signal, and by the first serial line interface, described first serial signal is sent to the 2nd video-splicing treater;
Described 2nd video-splicing treater receives described first serial signal, convert described first serial signal to parallel signal, it is the parallel signal of two-way by described parallel signal replication, convert the parallel signal in arbitrary road in parallel for described two-way signal to the 2nd serial signal, and described 2nd serial signal is sent to the 3rd video-splicing treater through the 2nd serial line interface.
Further, described multiple stage video-splicing treater comprises vision signal source interface respectively;
Described method also comprises:
The operating mode of described multiple stage video-splicing treater is set;
If the operating mode of described multiple stage video-splicing treater is set to holotype, then described multiple stage video-splicing treater receives described video input signals by described vision signal source interface;
If being set to from pattern by the operating mode of described multiple stage video-splicing treater, then described multiple stage video-splicing treater receives serial signal by described serial line interface.
Further, described first video-splicing treater converts described video input signals to first serial signal, specifically comprises:
Described video input signals is converted to serial video code stream by described first video-splicing treater, adds video control code, and encodes, form described first serial signal in described serial video code stream; Wherein, described video control code comprises frame head, frame tail and wardrobe.
Further, described method also comprises:
The parallel signal in another road in the parallel signal of described two-way is decoded by described 2nd video-splicing treater, extracts described video control code, recovers described video input signals according to described control code.
Further, described method also comprises:
Described video input signals is done video-splicing process by described 2nd video-splicing treater.
According to another aspect of the present invention, a kind of multiple stage video-splicing treater cascade system is also provided, wherein, is connected by serial line interface between described multiple stage video-splicing treater;
Described system at least comprises the first video-splicing treater and the 2nd video-splicing treater, wherein:
Described first video-splicing treater comprises:
First serial line interface;
First receiver module, is configured to receive video input signals;
First conversion module, is configured to convert described video input signals to first serial signal;
First sending module, is configured to, by described first serial line interface, described first serial signal is sent to the 2nd video-splicing treater;
Described 2nd video-splicing treater comprises:
2nd serial line interface;
2nd receiver module, is configured to receive described first serial signal;
2nd conversion module, is configured to convert described first serial signal to parallel signal;
Replication module, being configured to described parallel signal replication is the parallel signal of two-way;
3rd conversion module, is configured to convert the parallel signal in arbitrary road in parallel for described two-way signal to the 2nd serial signal;
2nd sending module, is configured to through described serial line interface, described 2nd serial signal is sent to the 3rd video-splicing treater.
Further, described multiple stage video-splicing treater comprises vision signal source interface respectively;
Described system also comprises:
Module is set, is configured to arrange the operating mode of described multiple stage video-splicing treater; If the operating mode of described multiple stage video-splicing treater is set to holotype, then described multiple stage video-splicing treater receives described video input signals by described vision signal source interface; If being set to from pattern by the operating mode of described multiple stage video-splicing treater, then described multiple stage video-splicing treater receives serial signal by described serial line interface.
Further, described first conversion module specifically comprises:
First transform subblock, is configured to convert described video input signals to serial video code stream;
Coding module, is configured in described serial video code stream and adds video control code, and encode, form described first serial signal;
Wherein, described video control code comprises frame head, frame tail and wardrobe.
Further, described 2nd video-splicing treater also comprises:
Decoder module, is configured to be decoded by the parallel signal in another road in the parallel signal of described two-way, extracts described video control code;
Signal recover module, is configured to recover described video input signals according to described control code.
Further, described 2nd video-splicing treater also comprises:
Splicing module, is configured to described video input signals does video-splicing process.
Compared with prior art, technique scheme at least has following useful effect:
The embodiment of the present invention is by connecting to get up by serial line interface by multiple stage video-splicing treater. Wherein, the first video-splicing treater receives video input signals, and video input signals converts to the first serial signal, and by the first serial line interface, the first serial signal is sent to the 2nd video-splicing treater; Then, 2nd video-splicing treater receives the first serial signal, convert the first serial signal to parallel signal, it is the parallel signal of two-way by parallel signal replication, convert the parallel signal in arbitrary road in parallel for two-way signal to the 2nd serial signal, and the 2nd serial signal is sent to the 3rd video-splicing treater through the 2nd serial line interface. Thus, namely the embodiment of the present invention achieves simultaneously for multiple stage video-splicing treater sends vision signal without the need to divider, reduces the complexity of cascade.
Certainly, the arbitrary product implementing the present invention not necessarily needs to realize above-described all advantages simultaneously.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification sheets, or understand by implementing the present invention. The object of the present invention and other advantage realize by method specifically noted in the specification sheets write, claim book and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing, as the part of the present invention, is used to provide further understanding of the invention, and the schematic description and description of the present invention is for explaining the present invention, but does not form inappropriate limitation of the present invention. Obviously, the accompanying drawing in the following describes is only some embodiments, to those skilled in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings. In the accompanying drawings:
Fig. 1 is the schematic diagram of existing techniques in realizing multiple stage video-splicing treater cascade;
Fig. 2 is the schematic flow sheet of the method for the multiple stage video-splicing treater cascade according to an exemplary embodiment;
Fig. 3 is the multiple stage video-splicing treater cascade system structural representation according to an exemplary embodiment;
Fig. 4 is four video-splicing treater cascade structure schematic diagram according to an exemplary embodiment.
These accompanying drawings and text description are not intended to limit by any way the design scope of the present invention, but are the concept that those skilled in the art illustrate the present invention by reference to specific embodiment.
Embodiment
The technique effect of the technical problem, the technical scheme adopted and the realization that the embodiment of the present invention are solved below in conjunction with accompanying drawing and specific embodiment carries out clear, complete description. Obviously, described embodiment is only a part of embodiment of the application, is not whole embodiments. Based on the embodiment in the application, those of ordinary skill in the art are under the prerequisite not paying creative work, and other embodiments that are equivalent or obviously modification all obtained all drop in protection scope of the present invention. The embodiment of the present invention can be specialized according to the multitude of different ways limited in claim and contain.
It should be noted that, in the following description, understand in order to convenient, give many details. However, it will be apparent that, the realization of the present invention can not have these details.
It should be noted that, when clearly not limiting or do not conflict, each embodiment in the present invention and technology feature wherein can mutually combine and form technical scheme.
In prior art, it is necessary to use divider could send signal to multiple stage video-splicing treater simultaneously, cause the complexity height of system. For this reason, the embodiment of the present invention provides a kind of method of multiple stage video-splicing treater cascade. Wherein, connected by serial line interface between multiple stage video-splicing treater. As shown in Figure 2, the method at least comprises step S110 and step S120.
Step S110: the first video-splicing treater receives video input signals, and video input signals converts to the first serial signal, and by the first serial line interface, the first serial signal is sent to the 2nd video-splicing treater.
Step S120: the two video-splicing treater receives the first serial signal, convert the first serial signal to parallel signal, it is the parallel signal of two-way by parallel signal replication, convert the parallel signal in arbitrary road in parallel for two-way signal to the 2nd serial signal, and the 2nd serial signal is sent to the 3rd video-splicing treater through the 2nd serial line interface.
In the present embodiment, using serial line interface as level connecting port, it can adopt RS232 interface. Sent and receive serial signal by serial line interface and serial signal is converted to parallel signal and parallel signal is converted to serial signal method adopt prior art can be achieved, such as, use ARM, CPLD, FPGA etc. to be achieved, do not repeat them here.
The embodiment of the present invention is by connecting to get up by serial line interface by multiple stage video-splicing treater. Wherein, the first video-splicing treater receives video input signals, and video input signals converts to the first serial signal, and by the first serial line interface, the first serial signal is sent to the 2nd video-splicing treater; Then, 2nd video-splicing treater receives the first serial signal, convert the first serial signal to parallel signal, it is the parallel signal of two-way by parallel signal replication, convert the parallel signal in arbitrary road in parallel for two-way signal to the 2nd serial signal, and the 2nd serial signal is sent to the 3rd video-splicing treater through the 2nd serial line interface. Thus, namely the embodiment of the present invention achieves simultaneously for multiple stage video-splicing treater sends vision signal without the need to divider, reduces the complexity of cascade.
Multiple stage video-splicing treater can also comprise vision signal source interface respectively. On the basis of above-described embodiment, the method can also comprise:
The operating mode of multiple stage video-splicing treater is set. If the operating mode of multiple stage video-splicing treater is set to holotype, then multiple stage video-splicing treater receives video input signals by vision signal source interface. If being set to from pattern by the operating mode of multiple stage video-splicing treater, then multiple stage video-splicing treater receives serial signal by serial line interface.
In the present embodiment, such as, it is possible to the operating mode arranging the first video-splicing treater is holotype, and is set to remaining video-splicing treater from pattern. Now, the first video-splicing treater receives video input signals by vision signal source interface. Remaining video-splicing treater all receives serial signal by serial line interface. Such as, the 2nd video-splicing treater receives the first serial signal by serial line interface; 3rd video-splicing treater receives the serial signal of the 2nd video-splicing treater output again by serial line interface; Analogizing with this, operating mode is in the video-splicing treater from pattern and all receives serial signal by serial line interface, and then serial signal is converted to parallel signal, then is the parallel signal of two-way by parallel signal replication, to carry out follow-up process.
Those skilled in the art will be understood that; the mode of the above-mentioned operating mode arranging multiple stage video-splicing treater is only citing; if other modes of the operating mode arranging multiple stage video-splicing treater that are existing arbitrarily or that may occur from now on are applicable in the present invention; then also should be included within protection scope of the present invention, and be incorporated into this by reference at this.
In the above-described embodiments, video input signals is converted to the first serial signal and can also specifically comprise by the first video-splicing treater:
Video input signals is converted to serial video code stream by the first video-splicing treater, serially adds video control code in video code flow, and encodes, forms the first serial signal; Wherein, video control code comprises frame head, frame tail and wardrobe.
In the present embodiment, one frame video can be indicated by video control code, be convenient to this frame video of subsequent extracted. Coding can adopt H264 coding standard, utilizes the programmable logic device parts such as FPGA to be achieved. Associated viscera can with reference to " H.264 encryption algorithm research and based on the design of FPGA ", Northwestern Polytechnical University, Zhu Songchao, 2006.
Those skilled in the art will be understood that; the above-mentioned mode that video input signals converts to the first serial signal is only citing; if other modes that video input signals converts to the first serial signal that are existing arbitrarily or that may occur from now on are applicable in the present invention; then also should be included within protection scope of the present invention, and be incorporated into this by reference at this.
On the basis of above-described embodiment, the method also comprises:
The parallel signal in another road in the parallel signal of two-way is decoded by the 2nd video-splicing treater, extracts video control code, recovers video input signals according to control code.
In the present embodiment, such as, if the first video-splicing treater adopts H264 coding standard to encode, the 2nd video-splicing treater can decode according to H264 coding standard. Associated viscera can with reference to " research and implementation of H.264 video decode device based on FPGA " Xian Electronics Science and Technology University's master thesis, Xu Xianxiang, 2010.
2nd video-splicing treater can extract video one by one according to the frame head in video control code, frame tail and wardrobe, thus recover video input signals, further video input signals can be done video-splicing process, such as: superposition, roaming, movement, contracting are put, cutting, picture-in-picture and window perspective etc.
Those skilled in the art will be understood that; said extracted video control code; the mode recovering video input signals according to control code is only citing; other extraction video control codes that are existing arbitrarily or that may occur from now on; if the mode recovering video input signals according to control code is applicable in the present invention; then also should be included within protection scope of the present invention, and be incorporated into this by reference at this.
Each step is described by the present embodiment according to the mode of above-mentioned precedence; it will be appreciated by those skilled in the art that; in order to realize the effect of the present embodiment; need not perform according to such order between different steps; it can perform simultaneously or perform order and put upside down, and these simply change all within protection scope of the present invention.
Based on the technical conceive identical with embodiment of the method, also put forward a kind of multiple stage video-splicing treater cascade system. Wherein, connected by serial line interface between multiple stage video-splicing treater. As shown in Figure 3, this system 30 at least comprises the first video-splicing treater 31 and the 2nd video-splicing treater 32, wherein: the first video-splicing treater 31 comprises the first receiver module 311, first and changes module 312, first sending module 313 and the first serial line interface 314. Wherein, the first receiver module 311 is configured to receive video input signals. First conversion module 312 is configured to convert video input signals to the first serial signal. First sending module 313 is configured to, by the first serial line interface, the first serial signal is sent to the 2nd video-splicing treater. 2nd video-splicing treater 32 comprises: the 2nd serial line interface 321, the 2nd receiver module 322, the 2nd conversion module 323, replication module 324, the 3rd conversion module 325 and the 2nd sending module 326. Wherein, the 2nd receiver module 322 is configured to receive the first serial signal. 2nd conversion module 323 is configured to convert the first serial signal to parallel signal. It is the parallel signal of two-way that replication module 324 is configured to parallel signal replication. 3rd conversion module 325 is configured to convert the parallel signal in arbitrary road in parallel for two-way signal to the 2nd serial signal. 2nd sending module 326 is configured to through the 2nd serial line interface 3221, the 2nd serial signal is sent to the 3rd video-splicing treater.
In an optional embodiment, multiple stage video-splicing treater comprises vision signal source interface respectively; This system also comprises and arranges module. Wherein, the operating mode that module is configured to arrange described multiple stage video-splicing treater is set; If the operating mode of described multiple stage video-splicing treater is set to holotype, then described multiple stage video-splicing treater receives described video input signals by described vision signal source interface; If being set to from pattern by the operating mode of described multiple stage video-splicing treater, then described multiple stage video-splicing treater receives serial signal by described serial line interface.
Fig. 4 is four video-splicing treater cascade structure schematic diagram according to an exemplary embodiment. As shown in the figure, if the operating mode of the first video-splicing treater is set to holotype, then the operating mode of the 2nd video-splicing treater, the 3rd video-splicing treater and the 4th video-splicing treater can be set to from pattern, thus realize the cascade of four video-splicing treaters. Video input signals inputs from the first video-splicing treater, and this video input signals can also be sent to the 2nd video-splicing treater, the 3rd video-splicing treater and the 4th video-splicing treater simultaneously. Thus, eliminate divider, reduce system complexity.
In an optional embodiment, the first conversion module can also specifically comprise: the first transform subblock and coding module. Wherein, the first transform subblock is configured to video input signals converts to serial video code stream. Coding module is configured to serially add video control code in video code flow, and encodes, and forms the first serial signal; Wherein, video control code comprises frame head, frame tail and wardrobe.
In an optional embodiment, the 2nd video-splicing treater can also comprise: decoder module and signal recover module. Wherein, decoder module is configured to be decoded by the parallel signal in another road in the parallel signal of two-way, extracts video control code. Signal recover module is configured to recover video input signals according to control code.
In an optional embodiment, the 2nd video-splicing treater can also comprise splicing module. Wherein, splicing module is configured to described video input signals does video-splicing process.
It should be understood that the multiple stage video-splicing treater cascade system that above-described embodiment provides is when carrying out cascade, only it is illustrated with the division of above-mentioned each function module, in actual applications, can complete by different function modules as required and by above-mentioned functions distribution, it is divided into different function modules, to complete all or part of function described above by the internal structure of system.
Said system embodiment may be used for performing aforesaid method embodiment, the technique effect of its know-why, the technical problem solved and generation is similar, person of ordinary skill in the field can be well understood to, for convenience and simplicity of description, the concrete working process of the system of foregoing description, with reference to the corresponding process in aforementioned embodiment of the method, can not repeat them here.
It is noted that system embodiment and embodiment of the method to the present invention is described respectively, but the details that an embodiment describes also be can be applicable to another embodiment above. For the title of the module related in the embodiment of the present invention, step, it is only used to distinguish each module or step, it is not considered as inappropriate limitation of the present invention. Those skilled in the art should understand that: module or step in the embodiment of the present invention can also be decomposed or combine. The module of such as above-described embodiment can merge into a module, it is also possible to splits into multiple submodule block further.
The technical scheme embodiment of the present invention provided above is described in detail. Although applying a concrete example herein principle and the enforcement mode of the present invention to have been set forth, but, the explanation of above-described embodiment is only applicable to help the principle understanding the embodiment of the present invention; Meanwhile, to those skilled in the art, according to the embodiment of the present invention, all can make a change within embodiment and range of application.
It should be understood that mark and word in accompanying drawing are to be illustrated more clearly in the present invention, it is not considered as the improper restriction to protection domain of the present invention.
Term " comprises ", " comprising " or other similar term any are intended to contain comprising of nonexcludability, so that comprise the process of a series of key element, method, article or equipment/device not only comprise those key elements, but also comprise other key element clearly do not listed, or also comprise the intrinsic key element of these processes, method, article or equipment/device. When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment/device comprising described key element and also there is other key element, the meaning namely " comprising " also contains the meaning of " comprising another ".
Each step of the present invention can realize with general calculating device, such as, they can concentrate on single calculating device, such as: Personal Computer, server computer, handheld device or handheld device, dull and stereotyped type equipment or multi-processor device, can also be distributed on network that multiple calculating device forms, they can be different from the step shown or described by the execution of order herein, or they are made into respectively each integrated circuit modules, or the multiple module in them or step are made into single integrated circuit module realize. therefore, the invention is not restricted to any specific hardware and software or its combination.
Method provided by the invention can use programmable logic device part to realize, computer software or programmodule (it comprises execution particular task or realizes the routine of particular abstract data type, program, object, assembly or data structure etc.) can also be embodied as, can be such as a kind of computer program according to embodiments of the invention, run this computer program and make computer perform the method for demonstrating. Described computer program comprises computer-readable recording medium, and this medium comprises computer program logic or code part, for realizing described method. Described computer-readable recording medium can be the built-in medium being mounted in a computer or the removable medium that can disassemble from hardware (such as: the storing device adopting hot plug technology). Described built-in medium includes but not limited to the nonvolatile memory that can rewrite, such as: RAM, ROM, flash device and hard disk. Described removable medium includes but not limited to: optical storage media (such as: CD-ROM and DVD), magnetic-optical storage medium (such as: MO), magnetic storage medium (such as: tape or portable hard drive), the media (such as: storage card) with built-in rewritable nonvolatile memory and the media (such as: ROM box) with built-in ROM.
The present invention is not limited to above-mentioned enforcement mode, and when not deviating from flesh and blood of the present invention, any distortion, improvement or replacement that those of ordinary skill in the art can expect all fall into the scope of the present invention.
Although illustrating, describing and indicating the detailed description of the basic novel feature of the present invention being applicable to various enforcement mode above, but will be understood that, when do not depart from the invention is intended to, the form of system and details can be carried out various omission, replacement and change by those skilled in the art.
Claims (10)
1. a method for multiple stage video-splicing treater cascade, wherein, is connected by serial line interface between described multiple stage video-splicing treater;
It is characterized in that, described method at least comprises:
First video-splicing treater receives video input signals, converts described video input signals to first serial signal, and by the first serial line interface, described first serial signal is sent to the 2nd video-splicing treater;
Described 2nd video-splicing treater receives described first serial signal, convert described first serial signal to parallel signal, it is the parallel signal of two-way by described parallel signal replication, convert the parallel signal in arbitrary road in parallel for described two-way signal to the 2nd serial signal, and described 2nd serial signal is sent to the 3rd video-splicing treater through the 2nd serial line interface.
2. method according to claim 1, described multiple stage video-splicing treater comprises vision signal source interface respectively;
It is characterized in that, described method also comprises:
The operating mode of described multiple stage video-splicing treater is set;
If the operating mode of described multiple stage video-splicing treater is set to holotype, then described multiple stage video-splicing treater receives described video input signals by described vision signal source interface;
If being set to from pattern by the operating mode of described multiple stage video-splicing treater, then described multiple stage video-splicing treater receives serial signal by described serial line interface.
3. method according to claim 1, it is characterised in that, described first video-splicing treater converts described video input signals to first serial signal, specifically comprises:
Described video input signals is converted to serial video code stream by described first video-splicing treater, adds video control code, and encodes, form described first serial signal in described serial video code stream; Wherein, described video control code comprises frame head, frame tail and wardrobe.
4. method according to claim 3, it is characterised in that, described method also comprises:
The parallel signal in another road in the parallel signal of described two-way is decoded by described 2nd video-splicing treater, extracts described video control code, recovers described video input signals according to described control code.
5. method according to claim 4, it is characterised in that, described method also comprises:
Described video input signals is done video-splicing process by described 2nd video-splicing treater.
6. a multiple stage video-splicing treater cascade system, wherein, is connected by serial line interface between described multiple stage video-splicing treater;
It is characterized in that, described system at least comprises the first video-splicing treater and the 2nd video-splicing treater, wherein:
Described first video-splicing treater comprises:
First serial line interface;
First receiver module, is configured to receive video input signals;
First conversion module, is configured to convert described video input signals to first serial signal;
First sending module, is configured to, by described first serial line interface, described first serial signal is sent to the 2nd video-splicing treater;
Described 2nd video-splicing treater comprises:
2nd serial line interface;
2nd receiver module, is configured to receive described first serial signal;
2nd conversion module, is configured to convert described first serial signal to parallel signal;
Replication module, being configured to described parallel signal replication is the parallel signal of two-way;
3rd conversion module, is configured to convert the parallel signal in arbitrary road in parallel for described two-way signal to the 2nd serial signal;
2nd sending module, is configured to through described serial line interface, described 2nd serial signal is sent to the 3rd video-splicing treater.
7. system according to claim 6, described multiple stage video-splicing treater comprises vision signal source interface respectively;
It is characterized in that, described system also comprises:
Module is set, is configured to arrange the operating mode of described multiple stage video-splicing treater; If the operating mode of described multiple stage video-splicing treater is set to holotype, then described multiple stage video-splicing treater receives described video input signals by described vision signal source interface; If being set to from pattern by the operating mode of described multiple stage video-splicing treater, then described multiple stage video-splicing treater receives serial signal by described serial line interface.
8. system according to claim 6, it is characterised in that, described first conversion module specifically comprises:
First transform subblock, is configured to convert described video input signals to serial video code stream;
Coding module, is configured in described serial video code stream and adds video control code, and encode, form described first serial signal;
Wherein, described video control code comprises frame head, frame tail and wardrobe.
9. system according to claim 8, it is characterised in that, described 2nd video-splicing treater also comprises:
Decoder module, is configured to be decoded by the parallel signal in another road in the parallel signal of described two-way, extracts described video control code;
Signal recover module, is configured to recover described video input signals according to described control code.
10. system according to claim 9, it is characterised in that, described 2nd video-splicing treater also comprises:
Splicing module, is configured to described video input signals does video-splicing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610064488.3A CN105657292A (en) | 2016-01-29 | 2016-01-29 | Cascading method and cascading system for multiple video stitching processors |
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| CN112925491A (en) * | 2019-12-06 | 2021-06-08 | 杭州海康威视数字技术股份有限公司 | Splicing controller and splicing control system |
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