CN110213505A - A kind of video image acquires in real time, transmits and play system - Google Patents
A kind of video image acquires in real time, transmits and play system Download PDFInfo
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- CN110213505A CN110213505A CN201910483716.4A CN201910483716A CN110213505A CN 110213505 A CN110213505 A CN 110213505A CN 201910483716 A CN201910483716 A CN 201910483716A CN 110213505 A CN110213505 A CN 110213505A
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- 238000012546 transfer Methods 0.000 claims abstract description 55
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 54
- 239000002184 metal Substances 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000012805 post-processing Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 238000010295 mobile communication Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
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- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
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- 238000009826 distribution Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
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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
- H04N5/268—Signal distribution or switching
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
It provides a kind of video image to acquire, transmit and play system in real time, it includes being sequentially connected the video source acquisition device (1) connect, software processing elements (2), high-speed transfer unit (3) and image to show playback terminal (4)；Video source acquisition device is for obtaining video source；Software processing elements receive the video source that video source acquisition device is sent, and show playback terminal current play status information carrying out image that is pretreated while receiving high-speed transfer unit forwards to video source, then post-process to video source；High-speed transfer unit receives the video source data that software processing elements are sent, and image is transferred to after high speed processing and shows playback terminal while receiving the broadcast information feedback that image shows playback terminal；Described image shows that playback terminal includes one or more image displays, receives the video source data that high-speed transfer unit is sent and carries out real-time split screen display available and broadcasting to video source on one or more image displays.
Description
Technical field
The present invention generally belong to video acquire in real time with play-back technology field, it is real-time more particularly to a kind of video image
Acquisition, transmission and play system.
Background technique
Current image display, especially high speed rotation LED image display be only used for play made it is intact
And the video image of small volume, there is playing, not real-time, play time is restricted, memory space has limitation, human-computer interaction
The defects of property is poor.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of video image and acquires, transmits and play system in real time, for for
Image display, especially high speed rotation LED image display provide the view of computer video or camera image acquired in real time
Frequency source and high-speed transfer and live fluoroscopic play.
The technical scheme is that a kind of video image is acquired in real time, transmitted and play system, it includes being sequentially connected
Video source acquisition device, software processing elements, high-speed transfer unit and the image connect shows playback terminal；The video source obtains
Device is finally realized for obtaining video source shows broadcasting on image display playback terminal, and the video source is transferred to
Software processing elements；The software processing elements receive the video source that video source acquisition device is sent, to received video source
It carries out pretreated while receiving the described image display playback terminal current play status through the high-speed transfer unit forwards
Information post-processes video source in conjunction with current play status, is eventually transferred to high-speed transfer unit；The high-speed transfer
Unit receives the treated video source data that software processing elements are sent, and image display is transferred to after high speed processing and is played
Terminal, while receiving the current play status information that image shows playback terminal feedback；Described image shows that playback terminal includes
One or more image displays, for receiving the video source data of the high-speed transfer unit transmission simultaneously and being divided in real time
Screen display and broadcasting, while giving broadcast state Real-time Feedback to the high-speed transfer unit；The pre- place of the software processing elements
Reason and post-processing include showing that the number of the image display of playback terminal cuts video source according to video source and image
It is adjusted with cutting, edge virtualization and transparency, to guarantee that video source is completely shown in the single image that image shows playback terminal
It is spliced on display or after split screen display available on the multiple images display that image shows playback terminal and completes image.
Basic principle of the invention are as follows: video source acquisition device obtains and is displayed on the video that image shows playback terminal
Source is transferred to software processing elements by way of wirelessly or non-wirelessly, and software processing elements are by high speed processing algorithm to video
Source, which is split, to be handled and is transferred to high-speed transfer unit by wired or wireless way in a manner of binary, and by passing at a high speed
Defeated unit is transferred to corresponding image and shows playback terminal.It is further described below, the present invention utilizes camera or computer etc.
Video source acquisition device captures video frame, is transferred on image display with the mode of high speed after processing, makes the interaction of user
Mode becomes multiplicity, is no longer limited to the storage capacity and ability to play of image display itself, can accomplish infinite expanding.This
Outside, video distribution to image can be shown that the different images of playback terminal are shown by software processing elements cooperation high-speed transfer unit
Show on device, realize the splicing problem of video, the broadcasting of large-size screen monitors may be implemented, i.e., N platform machine is spliced into a large-size screen monitors and carried out
The whole of video plays display.Video cutting function in software processing elements preprocessing process be just to be able to rapidly by
Integrated mode generates each separate unit image display video image that image shows playback terminal, uses in video cutting process
Video seamless handover technology, gentle transition technology, local luminance adaptive technique, 3D reinforcement technology etc..
Further, above-mentioned video source acquisition device includes camera, the end PC player, portable mobile communication apparatus APP
One of player or a variety of is held, but is not limited to the camera or the end PC player or the end portable mobile communication apparatus APP
Player, video source acquisition device obtain video source by video flowing acquisition mode.
Further, above-mentioned video source acquisition device further includes video source adjustment module, for adjusting the video counts of capture
According to frame per second, the adjustment includes that the frame number of extraction high quality carries out arrangement transmission, active filtering abandons secondary frame, and final realize is pressed
Video source data is sent to software processing elements by the rate of 24-30 frame per second.
Video source acquisition device is mainly used for obtaining and transmitting video source file, cardinal principle are as follows: video source obtains in real time
It takes and is obtained using camera, the end PC player or other playback equipment video flowing acquisition modes, adjust the video data frame of capture
Rate is sent to software processing elements by the rate of 24-30 frame per second, and active filtering abandons secondary frame, arranges and sends main frame,
Major function are as follows: 1) video source acquires: camera shooting or the end PC player etc. will acquire video source, and player supports interactive video to broadcast
It puts, and outputting video streams, is stored in local；2) video source preliminary treatment is carried out before transmitting to software processing elements, wherein wrapping
It includes and judges main frame and secondary frame, it is ensured that lost frames will not weaken video fluency before adaptation objective frame per second；3) to video
Source carries out compression processing.
Further, above-mentioned software processing elements are pre-processed including but not limited to picture to received video source and are cut
Cut, picture marginalisation, filtering one of or it is a variety of, video source is post-processed and including but not limited to loses, supplement, subtracting
Slowly, one of distribution, quickening transmission or a variety of；Video source data after being post-treated is sent to binary data format
High-speed transfer unit.
Further, the running environment of above-mentioned software processing elements is windows component computer but is not limited to windows
Component computer；The pretreatment and post-processing of software processing elements use image high speed processing engine, with described pre- for improving
The speed and quality of processing and post-processing removes the image information of unnecessary transmission, reduces the pressure of signal line transmission, realizes
Each machine is played simultaneously.
The image high speed processing engine of software processing elements can pre-process image, filter discarded frame, realize each machine
Device is played simultaneously.The major function of software processing elements is as follows: 1) video/audio transcoding: being turned using FFMPEG to video
Code carries out RPST said shank to video format, improves transmission rate, while extracting and detaching to audio, be stored in local,
Audio is played by external device；2) video is cut: being carried out certainly to the video source after transcoding by graphic display terminal combination
The operations such as dynamic cutting, edge virtualization, transparency adjustment, guarantee the integrality played after transmission of video；3) high-speed transfer list is received
The feedback information of member: the real-time Transmission rate and image that receive high-speed transfer unit feedback show the broadcasting of playback terminal forwarding
Status information is confirmed whether to need lost frames or supplement frame, guarantees to play coherent to be adjusted to video cutting speed
Property；4) video 3D effect enhances function: by image processing algorithm, background deduction is carried out to video image frame, fills up, blur,
Reinforce 3D display effect.
Further, above-mentioned high-speed transfer unit runs on openwrt system, is developed but be not limited to above-mentioned using C language
Operating system and development language, the mode that high-speed transfer unit is handled and transmitted to received video source data signal are as follows:
Show that one or more image displays of playback terminal are connect and/or and described image by Tcp/ip mode and described image
It shows playback terminal connection, in order to keep long connection, shortens the elapsed time for connecting needs of shaking hands；Pass through video numbering
Identiflication number is carried out to software processing elements treated video source, is sent to the video source with identiflication number in order to realize
Image shows the image display of the reference numeral of playback terminal；Has spatial cache to carry out caching storage to the data of transmission
It is standby；The image display of playback terminal, which transmits, to be shown to specified image respectively by way of multithreading, multiport, to realize
The same time guarantees the synchronization that more image displays play to more image display simultaneous transmissions.
Treated for receiving software unit that video stream signal pacifies it more after transfer accelerates for high-speed transfer unit
Image is rapidly reached entirely shows playback terminal.The unit can run on openwrt system, be developed using C language, pass through
WIFI mould group receives the vision signal passed over, calls kernel correlation module to be handled, accelerated, finally by WIFI mould group
The image for being sent to specified IP shows the image display of playback terminal.Its major function includes: 1) acceleration function: a high speed
Transmission unit can solve the time delays that separate unit transmission needs to that should carry out multi-thread transmission to more image displays；2)
Caching function: high-speed transfer unit receiving velocity can be faster than playback rate, and the video information received in advance is cached,
Data cached, dependence of the reduction to software processing elements speed can be extracted before transmission next time；3) wireless transmissions and wire transmission
In conjunction with: it takes wired and wireless multi-channel parallel to transmit, guarantees transmission high speed and accuracy, judge automatically current channel speed
Rate selects optimal route.UDP communication mode is taken in communication, can be realized data and quickly transmits；4) it receives display feedback: receiving
Image display shows rate real time information, and feeds back to software processing elements, adjusts software end processing unit transmission speed, protects
Demonstrate,prove video continuity.
Treated for receiving software processing elements that video stream signal makes it more after transfer accelerates for high-speed transfer unit
Add and safely and fast reaches graphic display terminal.The vision signal passed over is received by WIFI mould group, calls kernel related
Module is handled, is accelerated, and is sent to specified IP client finally by WIFI mould group.Its acceleration function realizes a high speed
Transmission unit corresponds to more image displays and carries out multi-thread transmission, solves the time delays that separate unit transmission needs, principle is:
The display of real-time pictures has excessive requirement to transmission rate.In order to guarantee data are transmitted between each image display height
Speed, acceleration function, which opens, multiple threads while to be carried out data transmission machine, and using specific algorithm to transmission data into
Row compression, reduces transmission size of data；And the caching function of high-speed transfer unit realizes receiving velocity can compare playback rate
It is fast, the video information received in advance be cached, can extract data cached before transmission next time, reduced to software processing
Hold the dependence of speed.
Further, connected between above-mentioned video source acquisition device and software processing elements by wired mode or wireless mode
It connects；It is connected between the software processing elements and high-speed transfer unit by wired mode and/or wireless mode；The high speed passes
Defeated unit and image show and are connected between playback terminal by wired mode and/or wireless mode.
Further, above-mentioned image shows one or more image displays of playback terminal for high speed rotation LED figure
As display, wirelessly carry out data transmission between the high-speed transfer unit and high speed rotation LED image display；
The high speed rotation LED image display includes signal receiving unit, signal transmitting unit, control unit, motor, FPGA core
Piece, LED light, receiving unit receive the video source data signal that high-speed transfer unit is sent, then driving motor rotation passes through letter
Number transmission unit sends signal to fpga chip driving LED light and lights, and forms successive video image.
Also further, above-mentioned high speed rotation LED image display further includes ARM chip module, the high-speed transfer list
Data between member and high speed rotation LED image display are transmitted through the progress of WiFi mould group, and ARM chip module is for decrypting warp
The video source data signal of WiFi mould group transmission, to realize that the video source data that high-speed transfer unit issues is revolved to specified high speed
Turn the transmission of LED image display.
Image of the invention shows the high speed rotation LED image that playback terminal is made preferably by high speed rotation image-forming principle
Display, built-in system receive the vision signal sended over from high-speed transfer unit, and driving motor rotates, and signal
It is sent to fpga chip driving LED light to light, forms successive video image.Image shows that playback terminal is cooperated by ARM system
WIFI mould group receives the vision signal from high-speed transfer unit, decrypts vision signal by ARM built-in system, passes through
After mplayer video player etc. is to Signal coding, it is transferred to fpga chip mould group and passes through specific scanning algorithm rotational display.
The major function of image display are as follows: 1) video playing: receive RTSP formatted data and play, and timely collection device accounts for
With rate, broadcasting speed, high-speed transfer unit is fed back to, to adjust play frame rate and speed in real time；2) it video cache: receives in advance
Video information is cached, when avoiding message transmission rate unstable caused by risk, cache way use flash memory space, add
Strong reading rate；3) video rotational display: being played by frame and is output to FPGA driving lamp shows that it is aobvious that control rotates to different location
Show different images, to form complete image.
High speed rotation LED image display, including fixing end, round end and brushless motor, the fixing end, round end point
It is not connected with the both ends of brushless motor, the fixing end includes big coil brace, and second every magnet piece, metal shell, third
Every magnet piece, power module plate and metal back cover, the round end includes LED display module plate, main control module plate, metal branch
Every magnet piece and small coil brace, the wireless power transmitting terminal of the brushless motor is equipped with emission lines for frame, heat dissipation empennage, first
Circle, the wireless power receiving end of the brushless motor are equipped with receiving coil, which is characterized in that the metal shell is fixing end
Main body, described second circularizes structure every magnet piece and is attached to the inner wall of metal shell, and the third is every magnet piece in circle
Dish type laminated structure and the intracavity bottom for being fixedly mounted on metal shell, the big coil brace and power module plate are respectively mounted
In metal shell inner cavity, the big coil brace is set to second on the inside of magnet piece, and the power module plate is set to third
Every magnet piece bottom, the metallic support is round end main body, and described first is attached to the bottom of metallic support, institute every magnet piece
The bottom for stating metallic support offers circular groove, and the main control module plate, small coil brace are embedded in circular groove and by the
One is fixedly mounted on metallic support every magnet piece.
The present invention broken image display, especially high speed rotation LED image display can not real-time synchronization show 3D
The drawbacks of image, allow users to that experience is more preferable, more efficiently drop shadow effect.For example, high speed is revolved before using the invention patent
Video realization can only be uploaded to after machine by machine decoding broadcasting by turning LED image display, that is, is projected or played and recorded
Good video, has higher requirement to system memory space, cost of manufacture, the present invention can reduce video to memory space and system
The control for making cost is truly realized with record with broadcasting.
Detailed description of the invention
From the detailed description with reference to the accompanying drawing to the embodiment of the present invention, these and/or other aspects of the invention and
Advantage will become clearer and be easier to understand, in which:
Fig. 1 is that the video image of the embodiment of the present invention is acquired in real time, transmitted and the structure composition schematic diagram of play system；
Fig. 2 is the structure and function schematic diagram of the image high speed processing engine of the software processing elements of the embodiment of the present invention；
Fig. 3 is that the high speed rotation LED image display of the embodiment of the present invention receives, projects the Principle of Process for playing video source
Schematic diagram.
Fig. 4 is the operation principle schematic diagram of the high number transmission unit of the embodiment of the present invention.
Fig. 5 is the structure composition schematic diagram of the high speed rotation LED image display of the embodiment of the present invention.
Fig. 6 is the video incision principle schematic diagram of the software processing elements of the embodiment of the present invention.
The more image display split screen display available schematic diagrames of Fig. 7 embodiment of the present invention realized by video cutting, wherein (a)
Not cut preceding video image；(b) and (c) is the image shown in the two of them on multiple images display after cutting.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention, with reference to the accompanying drawings and detailed description to this hair
It is bright to be described in further detail.
Embodiment 1
A kind of video image acquires in real time, transmits and play system, and structural schematic diagram is as shown in Figure 1, include successively phase
Video source acquisition device 1, software processing elements 2, high-speed transfer unit 3 and the image of connection show playback terminal 4, each section
Structure, principle and its function are described below.
Video source acquisition device 1 is used to obtain shows the video source of broadcasting on image display playback terminal 4, and by video
Source is transferred to software processing elements 2；Camera is preferably included in structure, the end PC player, the end portable mobile communication apparatus APP are broadcast
One of device or a variety of is put, but is not limited to the camera or the end PC player or the broadcasting of the portable mobile end communication apparatus APP
Device, video source acquisition device 1 obtain video source by video flowing acquisition mode；It further include video source adjustment module, for adjusting
The video data frame per second of capture, it is described adjustment include extract high quality frame number carry out arrangement transmission, active filtering abandon it is secondary
Video source data is sent to software processing elements 2 by the rate of 24-30 frame per second by frame, final realize.
Software processing elements 2 receive the video source that video source acquisition device 1 is sent, and are located in advance to received video source
The image that the high-speed transfer unit 3 forwards is received while reason and shows 4 current play status information of playback terminal, in conjunction with working as
Preceding broadcast state post-processes video source, is eventually transferred to high-speed transfer unit 3；Running environment is windows system meter
Calculation machine but it is not limited to windows component computer；Function includes: to be pre-processed including but not limited to picture to received video source
Face cutting, picture marginalisation, filtering one of or it is a variety of, to video source post-processed including but not limited to lose, supplement,
Slow down, distribute, accelerate transmission one of or it is a variety of；Pretreatment and post-processing use image high speed processing engine, image high speed
The structure and connection relationship for handling engine are gone as shown in Fig. 2, with the speed and quality for improving the pretreatment and post-processing
Except the image information of unnecessary transmission, the pressure of signal line transmission is reduced, realizes that each machine is played simultaneously；After being post-treated
Video source data high-speed transfer unit 3 is sent to binary data format.
The high-speed transfer unit 3 receives the treated video source data that software processing elements 2 are sent, and is located at a high speed
Image is transferred to after reason shows playback terminal 4；Running environment are as follows: run on openwrt system, developed using C language but is unlimited
In above-mentioned operating system and development language；Function and principle are as shown in Figure 4: being played by Tcp/ip mode and described image display
One or more image displays of terminal 4 are connected and/or are connect with the software processing elements 2, in order to keep long connection,
Shorten the elapsed time for connecting needs of shaking hands；Treated the video source of software processing elements 2 is carried out by video numbering
Identiflication number, in order to which the video source of specified number is sent to the image display that image shows the reference numeral of playback terminal 4；
Has system cache to carry out caching deposit to the data of transmission；Respectively to specified figure by way of multithreading, multiport
As the image display transmission of display playback terminal 4, to realize that the same time to more image display simultaneous transmissions, and protects
Demonstrate,prove the synchronization of more image displays broadcasting.
Described image shows that playback terminal 4 includes one or more image displays, passes for receiving the high speed simultaneously
The video source data of the defeated transmission of unit 3 simultaneously carries out real-time display and broadcasting, while giving broadcast state feedback to the high speed in real time
Transmission unit 3.
Connection relationship between each part mentioned above are as follows: by wired between video source acquisition device 1 and software processing elements 2
Mode or wireless mode connection；By wired mode and/or wirelessly between the software processing elements 2 and high-speed transfer unit 3
Mode connects；The high-speed transfer unit 3 and image, which are shown, passes through wired mode and/or connection between playback terminal 4.
Wherein image shows that one or more image displays of playback terminal 4 are preferably that high speed rotation LED image is shown
Device wirelessly carries out data transmission between the high-speed transfer unit 3 and high speed rotation LED image display；It is described
High speed rotation LED image display includes signal receiving unit, signal transmitting unit, control unit, motor, fpga chip, LED
Lamp, receiving unit receive the video source data signal that high-speed transfer unit 3 is sent, then driving motor rotation is sent out by signal
It send unit to send signal to fpga chip driving LED light to light, forms successive video image.Above-mentioned high speed rotation LED image
It is also preferable to include ARM chip modules for display, the number between the high-speed transfer unit 3 and high speed rotation LED image display
It is carried out according to WiFi mould group is transmitted through, ARM chip module is used to decrypt the video source data signal transmitted through WiFi mould group, with reality
The video source data that existing high-speed transfer unit 3 issues is transmitted to specified high speed rotation LED image display, high speed rotation LED
Image display receives video source data and the Principle of Process of Projection Display is as shown in Figure 3.
Embodiment 2
A kind of video image suitable for embodiment 1 acquires in real time, transmit and the high speed rotation LED image of play system is aobvious
Show device, structural schematic diagram is as shown in figure 5, include fixing end, round end and brushless motor 8, the fixing end, round end difference
Be connected with the both ends of brushless motor 8, the fixing end includes big coil brace 10, second every magnet piece 11, metal shell 12,
For third every magnet piece 13, power module plate 14 and metal back cover 15, the round end includes LED display module plate 16, master control mould
Block plate 17, metallic support 18, heat dissipation empennage 19, first are every magnet piece 5 and small coil brace 6, the wireless confession of the brushless motor 8
Electric transmitting terminal is equipped with transmitting coil 9, and the wireless power receiving end of the brushless motor 8 is equipped with receiving coil 7, and feature exists
In the metal shell 12 is fixing end main body, and described second circularizes structure every magnet piece 11 and be attached to metal shell
12 inner wall, the third is every the laminated structure in disk form of magnet piece 13 and is fixedly mounted on the interior bottom of chamber of metal shell 12
Portion, the big coil brace 10 and power module plate 14 are mounted on 12 inner cavity of metal shell, and the big coil brace 10 is arranged
In second every 11 inside of magnet piece, the power module plate 14 is set to third every 13 bottom of magnet piece, the metallic support 18
It is attached to the bottom of metallic support 18 every magnet piece 5 for round end main body, described first, the bottom of the metallic support 18 opens up
There is circular groove, the main control module plate 17, small coil brace 6 are embedded in circular groove and by first every the fixed peace of magnet piece 5
On metallic support 18.
Embodiment 3
The image of software processing elements 2, which is cut, to be realized, video cutting is to the video after transcoding by graphic display terminal group
Conjunction mode carries out the operations such as automatic cutting, edge virtualization, transparency adjustment, guarantees the integrality played after transmission of video.
Principle analysis:
When needing to combine greater area of image with rotating display device, need to use more rotating display device combinations.
By the way of combination is interlocked using height, is overlapped, in order to guarantee image integrity, so partial display can be made to lose
Falling parts of images video cutting function is exactly the view in order to rapidly generate each single machine by integrated mode by this function
Frequency image.Combined example is as shown in fig. 6, be (3*3) integrated mode.
Used in video cutting process video seamless handover technology, gentle transition technology, local luminance adaptive technique,
3D reinforcement technology etc..Fig. 7 (a) is the video image before cutting, which will show playback terminal 4 in image after being cut
A part therein is distinguished on 9 image displays, 9 image displays are integrally spliced into substantially consistent with cutting video image
Image, Fig. 7 (b) and (c) are the video images shown on two of them image display.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.Therefore, protection scope of the present invention is answered
This is subject to the protection scope in claims.
Claims (10)
1. a kind of video image acquires in real time, transmits and play system, which is characterized in that it includes being sequentially connected the video source connect
Acquisition device (1), software processing elements (2), high-speed transfer unit (3) and image show playback terminal (4)；
The video source acquisition device (1) is finally realized for obtaining video source to be shown in image display playback terminal (4)
It plays, and the video source is transferred to software processing elements (2)；
The software processing elements (2) receive the video source that video source acquisition device (1) is sent, and carry out to received video source
The described image that pretreated while reception is forwarded through the high-speed transfer unit (3) shows playback terminal (4) currently playing shape
State information post-processes video source in conjunction with current play status, is eventually transferred to high-speed transfer unit (3)；
The high-speed transfer unit (3) receives the treated video source data that software processing elements (2) are sent, and is located at a high speed
Image is transferred to after reason and shows playback terminal (4), while receiving the current play status letter that image shows playback terminal (4) feedback
Breath；
Described image shows that playback terminal (4) include one or more image displays, for receiving the high-speed transfer simultaneously
The video source data of unit (3) transmission simultaneously carries out real-time split screen display available and broadcasting, while by broadcast state Real-time Feedback to described
High-speed transfer unit (3)；
The pretreatment and post-processing of the software processing elements (2) include showing playback terminal (4) according to video source and image
The number of image display is cut video source and is cut, edge virtualization and transparency adjust, to guarantee that video source is complete
Image is shown in show on the single image display of playback terminal (4) or show multiple figures of playback terminal (4) in image
Image is completed as being spliced into after split screen display available on display.
2. video image as described in claim 1 acquires in real time, transmits and play system, which is characterized in that the video source
Acquisition device (1) includes one of camera, the end PC player, the end portable mobile communication apparatus APP player or a variety of, but
It is not limited to the camera or the end PC player or the end portable mobile communication apparatus APP player, video source acquisition device (1) is logical
It crosses video flowing acquisition mode and obtains video source.
3. video image as described in claim 1 acquires in real time, transmits and play system, which is characterized in that the video source
Acquisition device (1) further includes video source adjustment module, and for adjusting the video data frame per second of capture, the adjustment includes that extraction is high
The frame number of quality carries out arrangement transmission, active filtering abandons secondary frame, and the final rate realized by 24-30 frame per second is by video source
Data are sent to software processing elements (2).
4. video image as described in claim 1 acquires in real time, transmits and play system, which is characterized in that at the software
Reason unit (2) is pre-processed one of including but not limited to picture cutting, picture marginalisation, filtering to received video source
Or it is a variety of, video source is post-processed including but not limited to lose, supplement, slowing down, distributing, accelerate transmission one of or it is more
Kind；Video source data after being post-treated is sent to high-speed transfer unit (3) with binary data format.
5. video image as described in claim 1 acquires in real time, transmits and play system, which is characterized in that at the software
The running environment of reason unit (2) is windows component computer but is not limited to windows component computer；Software processing elements
(2) pretreatment and post-processing use image high speed processing engine, with for improving the pretreatment and post-processing speed and
Quality removes the image information of unnecessary transmission, reduces the pressure of signal line transmission, realizes that each machine is played simultaneously.
6. video image as described in claim 1 acquires in real time, transmits and play system, which is characterized in that the high speed passes
Defeated unit (3) is run on openwrt system, above-mentioned operating system and development language is developed but be not limited to using C language, and high speed passes
The mode that defeated unit (3) is handled and transmitted to received video source data signal are as follows: pass through Tcp/ip mode and the figure
As showing one or more image displays connection of playback terminal (4) and/or being connect with software processing elements (2), in order to
Long connection is kept, the elapsed time for connecting needs of shaking hands is shortened；After being handled by video numbering software processing elements (2)
Video source carry out identiflication number, in order to which the image that is sent to the split screen video data of specified number shows playback terminal (4)
Reference numeral image display；Has spatial cache to carry out caching deposit to the data of transmission；Pass through multithreading, multiterminal
The mode of mouth shows that the image display of playback terminal (4) transmits to specified image respectively, to realize the same time to more
Image display simultaneous transmission, and guarantee the synchronization that more image displays play.
7. video image as described in claim 1 acquires in real time, transmits and play system, which is characterized in that the video source
It is connect between acquisition device (1) and software processing elements (2) by wired mode or wireless mode；The software processing elements
(2) it is connect between high-speed transfer unit (3) by wired mode and/or wireless mode；The high-speed transfer unit (3) and figure
As being connected between display playback terminal (4) by wired mode and/or wireless mode.
8. video image as claimed in claim 1 or 7 acquires in real time, transmits and play system, which is characterized in that described image
The one or more image displays for showing playback terminal (4) are high speed rotation LED image display, the high-speed transfer unit
(3) wirelessly carry out data transmission between high speed rotation LED image display；The high speed rotation LED image is aobvious
Show that device includes signal receiving unit, signal transmitting unit, control unit, motor, fpga chip, LED light, receiving unit receives high
The video source data signal that fast transmission unit (3) sends, driving motor rotation, is then sent signal by signal transmitting unit
It is lighted to fpga chip driving LED light, forms successive video image.
9. video image as claimed in claim 8 acquires in real time, transmits and play system, which is characterized in that the high speed rotation
Turning LED image display further includes ARM chip module, the high-speed transfer unit (3) and high speed rotation LED image display it
Between data be transmitted through WiFi mould group progress, ARM chip module be used for decrypt through WiFi mould group transmission video source data believe
Number, to realize that the video source data that high-speed transfer unit (3) issue is transmitted to specified high speed rotation LED image display.
10. video image as claimed in claim 9 acquires in real time, transmits and play system, which is characterized in that the high speed rotation
Turn LED image display, including fixing end, round end and brushless motor (8), the fixing end, round end respectively with brushless electricity
The both ends of machine (8) are connected, and the fixing end includes big coil brace (10), second every magnet piece (11), metal shell (12),
For third every magnet piece (13), power module plate (14) and metal back cover (15), the round end includes LED display module plate
(16), main control module plate (17), metallic support (18), heat dissipation empennage (19), first be every magnet piece (5) and small coil brace (6),
The wireless power transmitting terminal of the brushless motor (8) is equipped with transmitting coil (9), and the wireless power of the brushless motor (8) connects
Receiving end is equipped with receiving coil (7), which is characterized in that the metal shell (12) is fixing end main body, and described second every magnet
Piece (11) circularizes structure and is attached to the inner wall of metal shell (12), and the third is every magnet piece (13) sheet in disk form
Structure and the intracavity bottom for being fixedly mounted on metal shell (12), the big coil brace (10) and power module plate (14) are equal
It is installed on metal shell (12) inner cavity, the big coil brace (10) is set to second on the inside of magnet piece (11), the power supply
Module board (14) is set to third every magnet piece (13) bottom, and the metallic support (18) is round end main body, described first every
Magnet piece (5) is attached to the bottom of metallic support (18), and the bottom of the metallic support (18) offers circular groove, the master control mould
Block plate (17), small coil brace (6) are embedded in circular groove and are fixedly mounted on metallic support every magnet piece (5) by first
(18) on.
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