CN109561336A - Distribution display synchronous method, apparatus and system - Google Patents
Distribution display synchronous method, apparatus and system Download PDFInfo
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- CN109561336A CN109561336A CN201811609903.4A CN201811609903A CN109561336A CN 109561336 A CN109561336 A CN 109561336A CN 201811609903 A CN201811609903 A CN 201811609903A CN 109561336 A CN109561336 A CN 109561336A
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- frame number
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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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
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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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
Abstract
Distributed display synchronous method, apparatus and system provided by the present application, the video server sends different video datas to multiple display equipment, wherein, described image data carry frame number, it is expected that the image frame number having the same that the multiple display equipment is shown simultaneously.The display equipment broadcasts the frame number of current display image at interval of preset time into network.The average value that the display equipment obtains the frame number data in network, and calculates the frame number data in the network obtains average frame number.The display equipment adjusts the image currently shown according to the average frame number.The application synchronizes the image of multiple display equipment independent of single control node, improves the availability and stability of whole system.
Description
Technical field
This application involves video fields, in particular to a kind of distributed display synchronous method, apparatus and system.
Background technique
Distribution display is to send video data on multiple display device nodes to show, each node is according to it
Position where in the cluster shows a part of whole image, and the display of entire picture is completed by the splicing of each node.It is existing
It is main decoder by default display equipment in technology, main decoder sends broadcast packet, and application obtains each from decoder
The receiving time of current frame to be decoded calculates the delay time that main decoder needs according to from the feedback result of decoder, then
It sends result to from decoding node, the delay time of oneself is calculated after receiving from decoding node.During the prior art is deposited, if
Main decoder breaks down, and whole system can not just synchronize.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the application's is designed to provide a kind of distributed display side of synchronization
Method shows equipment applied to first communicate with multiple second displays equipment, and the step of the method includes:
The frame number that the multiple second display equipment currently shows image is obtained, the frame number indicates the display figure
The display order of picture, wherein the frame number of the first display equipment and the multiple second display equipment displayed image is pressed
According to identical preset rules layout；
It calculates the first display equipment current frame number and the multiple second display equipment currently shows the frame of image
The average value of number, using the average value as calibration frame number；
Judge that the first display equipment currently shows the frame number of image and the size of the calibration frame number, if greatly
In or equal to the calibration frame number, continue to show current display image；If it is less than the calibration frame number, then display is worked as
The next frame image of preceding display image.
Optionally, the first display equipment prestores image to be displayed, and the image to be displayed carries timestamp, institute
The system time reference identical time check and correction source for stating timestamp and the first display equipment, the method also includes:
Obtain the timestamp of the first display the equipment present system time and the image to be displayed；
Show that the timestamp is less than or equal to the image to be displayed of the system time.
Optionally, the method also includes:
It is spaced preset time, the frame number of the current display image of the first display equipment is broadcast in local area network,
Wherein, institute's local area network is made of the first display equipment and the multiple second display equipment；
Obtain the frame number of the current display image of the multiple second display device broadcasts.
Optionally, the frame number is stored in the pixel value of the display image predeterminated position.
Optionally, the frame number is the obtained by presetting third parameter to the first frame number complementation of described image
Two frame numbers.
Optionally, it is described first display equipment and video server communication, it is described first display equipment include decoder and
Buffering queue, the method also includes:
Obtain the coded image that the video server is sent；
The coded image is decoded by the decoder and obtains the display image, and the coded image is put into institute
State buffering queue.
The another object of the application is to provide a kind of distributed display synchronization system, the distributed display synchronization system
Including video server and multiple display equipment, the multiple display equipment obtains image from the video server by network
Data, wherein the system time reference of the multiple display equipment and the video server same time proofreads source；
The video server sends different image datas to the multiple display equipment, carries in described image data
There is frame number, it is expected that the image frame number having the same that the multiple display equipment is shown simultaneously；
The frame number of current display image is broadcast in the network by the display equipment interval preset time；
The display equipment obtains the frame number that other display equipment currently shows image by the network；
The display equipment calculates the other display equipment and currently shows that the frame number of image and equipment currently show figure
As the average value of frame number, using the average value as calibration frame number；
The frame number of the current display image of display equipment judgement and the size of the calibration frame number, if it is greater than or
Person is equal to the calibration frame number, continues to show current display image；If it is less than the calibration frame number, then display is current aobvious
The next frame image of diagram picture.
The another object of the application is to provide a kind of distributed display synchronization device, set applied to multiple second displays
First display equipment of standby communication, the distribution display synchronization device include that number obtains module, calibration frame module and adjustment
Module；
The number obtains module and is used to obtain the frame number that the multiple second display equipment currently shows image, described
Frame number indicates the display order of the display image, wherein the first display equipment and the multiple second display equipment
The frame number of displayed image is according to identical preset rules layout；
The calibration frame module calculates the first display equipment current frame number and the multiple for calculating separately
Two display equipment currently show the average value of the frame number of image, using the average value as calibration frame number；
It is described adjustment module be used for judge it is described first display equipment currently show image frame number and the calibration frame
The size of number continues to show current display image if it is greater than or equal to the calibration frame number；If it is less than the school
Quasi- frame number, then display currently shows the next frame image of image.
Optionally, the distributed display synchronization device further includes broadcast module；
The broadcast module is for being spaced preset time, by the frame number of the current display image of the first display equipment
It is broadcast in local area network, wherein institute's local area network is made of the first display equipment and the multiple second display equipment；
The number obtains module and is also used to obtain the current display for obtaining the multiple second display device broadcasts
The frame number of image.
Optionally, it is described first display equipment and video server communication, it is described first display equipment include decoder and
Buffering queue, the distribution display synchronization device further includes image collection module and decoder module；
Described image obtains module and is used to obtain the coded image that the video server is sent；
The decoder module is used to decode the coded image acquisition display image by the decoder, and by institute
It states coded image and is put into the buffering queue.
In terms of existing technologies, the application has the advantages that
Distributed display synchronous method, apparatus and system provided by the present application, the video server send different views
Frequency is according to multiple display equipment, wherein described image data carry frame number, it is expected that the multiple display equipment is shown simultaneously
The image shown frame number having the same.The display equipment broadcasts current display image at interval of preset time into network
Frame number.The display equipment obtains the frame number data in network, and calculates being averaged for frame number data in the network
Value obtains average frame number.The display equipment adjusts the image currently shown according to the average frame number.The application disobeys
Lai Yu single control node synchronizes the image of multiple display equipment, improves the availability and stability of whole system.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is application scenarios schematic diagram provided by the embodiments of the present application；
Fig. 2 is the hardware structure diagram of display equipment provided by the embodiments of the present application；
Fig. 3 is the step flow chart of distributed display synchronous method provided by the embodiments of the present application；
Fig. 4 is the structure chart of distributed display synchronization device provided by the embodiments of the present application.
Icon: 100- video server；300- network；200- shows equipment；140- communication unit；130- processor；
110- distribution display synchronization device；120- memory；1101- number obtains module；1102- calibrates frame module；1103- adjustment
Module；1104- broadcast module；1105- image collection module；1106- decoder module.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Fig. 1 is please referred to, Fig. 1 is that the video server 100 that the application preferred embodiment provides and multiple display equipment 200 are logical
The application scenarios schematic diagram of letter.The video server 100 can be communicated by network 300 with the display equipment 200, with
It realizes video server 100 and shows the data communication or interaction between equipment 200.
The network 300 may be, but not limited to, cable network or wireless network.
The operating system of the display equipment 200 may be, but not limited to, Android (Android) system, IOS (iPhone
Operating system) system, Windows phone system, Windows system etc..
The hardware structure diagram of equipment 200 is shown shown in referring to figure 2..The display equipment 200 includes distributed display
Synchronizing device 110, memory 120, processor 130, communication unit 140.
The memory 120, processor 130 and each element of communication unit 140 are directly or indirectly electrical between each other
Connection, to realize the transmission or interaction of data.For example, these elements can pass through one or more communication bus or letter between each other
Number line, which is realized, to be electrically connected.
Wherein, the memory 120 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..Wherein, memory 120 is for storing program, the processor 130 after receiving and executing instruction,
Execute described program.The communication unit 140 is set for establishing the video server 100 by the network 300 with display
Communication connection between standby 200, and for passing through 300 sending and receiving data of network.
The processor 130 may be a kind of IC chip, the processing capacity with signal.Above-mentioned processor can
To be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network
Processor, NP) etc.；It can also be digital signal processor (DSP), specific integrated circuit (ASIC), field-programmable gate array
Arrange (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented
Or disclosed each method, step and logic diagram in execution the embodiment of the present application.General processor can be microprocessor
Or the processor is also possible to any conventional processor etc..
It is applied to the step flow chart of the distributed display synchronous method of the display equipment 200 shown in referring to figure 3.,
It below will be to the method includes each steps to be described in detail.
Step S100, obtains the frame number that the multiple second display equipment currently shows image, and the frame number indicates
The display order of the display image, wherein the first display equipment and the multiple second display equipment displayed image
Frame number according to identical preset rules layout.
It is worth noting that the first display equipment 200 and the second display equipment are with the same function aobvious
Show equipment 200, for ease of description, here divides the display equipment 200 for the first display equipment and the second display equipment.
Optionally, described in order to enable the multiple display node shows that the frame number of image is identical at the time of identical
Show equipment 200 and the video server 100 according to the source critique system time at the same time.The video server 100
Different image datas is sent to the multiple display equipment 200, frame number and timestamp are carried in described image data,
System time of the timestamp based on the video server 100.Meanwhile image shown by different display equipment 200
Frame number be based on identical preset rules layout, it is expected image that the multiple display equipment 200 is shown simultaneously with phase
Same frame number.The display equipment 200 gets the image data that the video server 100 is sent, will by decoder
It is put into the buffer queue of storage image to be displayed after the decoding of described image data.The display equipment 200 obtains current system
The timestamp of time and the time to be shown, Presentation Time Stamp are less than or equal to the figure to be shown of the system time
Picture.
Wherein, in order to further synchronize it is multiple it is described display equipment 200 show images, it is described first display equipment,
Multiple second display equipment and video server 100 form a local area network.
The display equipment 200 broadcasts the frame number of current display image every preset time into the local area network.Institute
It states multiple second display equipment that the first display equipment obtains in the local area network and currently shows image frame number.Described first is aobvious
Show that equipment currently shows that the frame number of image adjusts current display image in real time according to the multiple second display equipment.
Step S200, calculates the first display equipment current frame number and the multiple second display equipment is currently shown
The average value of the frame number of image, using the average value as calibration frame number.
In a kind of specific embodiment provided in this embodiment, the first display equipment obtains current display picture frame
Number.The first display equipment according to equipment itself, currently work as by the frame number of display image and the second display equipment got
The image frame number of preceding display calculates its average value, and using the average value as calibration frame number.
In another kind specific embodiment provided in this embodiment, one is chosen from the multiple display equipment 200
Show that equipment is used as with reference to display equipment.The first display equipment calculates separately the multiple second display equipment and currently shows
Difference between the frame number of image and the default frame number of reference display equipment, and then multiple frame number differences are obtained, and count
The average value for calculating the multiple frame number difference obtains average frame number difference, wherein the reference frame number is the reference
Display equipment currently shows the frame number of image.
Step S300, judge it is described first display equipment currently show image frame number and it is described calibration frame number it is big
It is small, if it is greater than or equal to the calibration frame number, continue to show current display image；It is compiled if it is less than the calibration frame
Number, then display currently shows the next frame image of image.
The first display equipment will current display image frame number and the calibration frame number compare, if described the
One display equipment currently shows that the frame number of image is more than or equal to the calibration frame number, continues to show first display
The image that equipment is currently shown.If the first display equipment currently shows that the frame number of image is compiled less than the calibration frame
Number, the first display equipment then shows the next frame image of current display image.
It is worth noting that the first display equipment and the second display equipment, in the current display image of adjustment
In the process, without sequencing, theoretically each display equipment 200 is adjusted current the step of showing image simultaneously.
Optionally, since the decoder module and display module of the display equipment 200 are often independent from each other, do not have
The frame number of the display image is deposited in the pixel value of the predeterminated position in display image by other signalling approach
In.Simultaneously as the frame number numerical value is larger, the video server 100 by the frame number to a preset value complementation,
The remainder of acquisition is stored in the pixel value of the predeterminated position of the display image, and then reduces the influence to original image.
Optionally, the display equipment 200 includes decoder and buffering queue, is shown to improve the display equipment 200
The real-time of diagram picture, the display equipment 200 obtain coded image from the video server 100, pass through the decoder
It decodes the coded image and obtains display image, and the display image is stored in buffering queue.
The another object of the application is to provide a kind of distributed display synchronization system, the distributed display synchronization system
Including video server 100 and multiple display equipment 200, the multiple display equipment 200 is taken by network 300 from the video
Business device 100 obtains image data, wherein the system time reference of the multiple display equipment 200 and the video server 100
The same time proofreads source.The video server 100 sends different image datas to the multiple display equipment 200, described
Frame number is carried in image data, it is expected that the image frame number having the same that the multiple display equipment 200 is shown simultaneously.
The display equipment 200 is spaced preset time and the frame number of current display image is broadcast in the network 300.
The display equipment 200 obtains the frame number that other display equipment 200 currently shows image by the network 300.It is described aobvious
Show that equipment 200 calculates the other display equipment 200 and currently shows that the frame number of image and equipment currently show image frame number
Average value, using the average value as calibration frame number.The display equipment 200 judges that the first display equipment 200 is worked as
The size of the frame number of preceding display image and the calibration frame number continues if it is greater than or equal to the calibration frame number
The current display image of display；If it is less than the calibration frame number, then display currently shows the next frame image of image.
The structure chart of distributed display synchronization device shown in Fig. 4 is please referred to, the distribution display synchronization device 110 wraps
The video can be stored in the memory 120 or be solidificated in the form of software or firmware (firmware) by including at least one
Software function module in the operating system (operating system, OS) of server 100.The processor 130 is for holding
The executable module stored in the row memory 120, such as software function included by the distributed display synchronization device 110
It can module and computer program etc..
The distribution display synchronization device includes that number obtains module 1101, calibration frame module 1102 and adjustment module
1103。
The number obtains module 1101 and is used to obtain the frame number that the multiple second display equipment currently shows image,
The frame number indicates the display order of the display image, wherein the first display equipment and the multiple second display
The frame number of equipment displayed image is according to identical preset rules layout.
In the present embodiment, the number obtains module 1101 and is used to execute the step S100 in Fig. 3, about the number
The detailed description for obtaining module 1101 can refer to the detailed description of step S100.
The calibration frame module 1102 calculates the first display equipment current frame number and described more for calculating separately
A second display equipment currently shows the average value of the frame number of image, using the average value as calibration frame number.
In the present embodiment, the calibration frame mould 1102 is used to execute the step S200 in Fig. 3, about the calibration frame mould
1102 detailed description can refer to the detailed description of step S200.
It is described adjustment module 1103 be used for judge it is described first display equipment currently show image frame number and the school
The size of quasi- frame number continues to show current display image if it is greater than or equal to the calibration frame number；If it is less than institute
Calibration frame number is stated, then in the present embodiment, the adjustment module 1103 is used for the next frame image of the current display image of display
The step S300 in Fig. 3 is executed, the detailed description about the adjustment module 1103 can refer to the detailed description of step S300.
Optionally, the distributed display synchronization device 110 further includes broadcast module 1104；
The broadcast module 1104 is for being spaced preset time, by the frame of the current display image of the first display equipment
Number is broadcast in local area network, wherein institute's local area network is made of the first display equipment and the multiple second display equipment.
The number module is also used to obtain the current display image for obtaining the multiple second display equipment device broadcasts
Frame number.
Optionally, the first display equipment and video server 100 communicate, and the first display equipment includes decoder
And buffering queue, the distribution display synchronization device 110 further includes image collection module 1105 and decoder module 1106；
Described image obtains module 1105 and is used to obtain the coded image that the video server 100 is sent；
The decoder module 1106, which is used to decode the coded image by the decoder, obtains the display image, and
The coded image is put into the buffering queue.
In conclusion distributed display synchronous method, apparatus and system provided by the present application, the video server 100
Different video datas is sent to multiple display equipment 200, wherein described image data carry frame number, it is expected that described more
The image frame number having the same that a display equipment 200 is shown simultaneously.The display equipment 200 is at interval of preset time to net
The frame number of current display image is broadcasted in network 300.The display equipment 200 obtains the frame number data in network 300, and counts
The average value for calculating the frame number data in the network 300 obtains average frame number.The display equipment 200 is according to described average
Frame number adjusts the image currently shown.The application synchronizes the figure of multiple display equipment 200 independent of single control node
Picture improves the availability and stability of whole system.
In embodiment provided herein, it should be understood that disclosed device and method, it can also be by other
Mode realize.The apparatus embodiments described above are merely exemplary, for example, the flow chart and block diagram in attached drawing are shown
According to device, the architectural framework in the cards of method and computer program product, function of multiple embodiments of the application
And operation.In this regard, each box in flowchart or block diagram can represent one of a module, section or code
Point, a part of the module, section or code includes one or more for implementing the specified logical function executable
Instruction.It should also be noted that function marked in the box can also be attached to be different from some implementations as replacement
The sequence marked in figure occurs.For example, two continuous boxes can actually be basically executed in parallel, they sometimes may be used
To execute in the opposite order, this depends on the function involved.It is also noted that each of block diagram and or flow chart
The combination of box in box and block diagram and or flow chart can be based on the defined function of execution or the dedicated of movement
The system of hardware is realized, or can be realized using a combination of dedicated hardware and computer instructions.
In addition, each functional module in each embodiment of the application can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of distributed display synchronous method, which is characterized in that aobvious applied to first communicated with multiple second display equipment
Show equipment, the step of the method includes:
The frame number that the multiple second display equipment currently shows image is obtained, the frame number indicates the display image
Display order, wherein the frame number of the first display equipment and the multiple second display equipment displayed image is according to phase
Same preset rules layout；
It calculates the first display equipment current frame number and the multiple second display equipment currently shows the frame number of image
Average value, using the average value as calibration frame number；
Judge it is described first display equipment currently show image frame number and it is described calibration frame number size, if it is greater than or
Person is equal to the calibration frame number, continues to show current display image；If it is less than the calibration frame number, then display is current aobvious
The next frame image of diagram picture.
2. distributed display synchronous method according to claim 1, which is characterized in that the first display equipment prestores
Image to be displayed, the image to be displayed carry timestamp, the system time of the timestamp and the first display equipment
Source is proofreaded with reference to the identical time, the method also includes:
Obtain the timestamp of the first display the equipment present system time and the image to be displayed；
Show that the timestamp is less than or equal to the image to be displayed of the system time.
3. distributed display synchronous method according to claim 1, which is characterized in that the method also includes:
It is spaced preset time, the frame number of the current display image of the first display equipment is broadcast in local area network, wherein
Institute's local area network is made of the first display equipment and the multiple second display equipment；
Obtain the frame number of the current display image of the multiple second display device broadcasts.
4. distributed display synchronous method according to claim 1, which is characterized in that the frame number is stored in described aobvious
Diagram as predeterminated position pixel value in.
5. distributed display synchronous method according to claim 1, which is characterized in that the frame number is by default the
The second frame number that three parameters obtain the first frame number complementation of described image.
6. distributed display synchronous method according to claim 1, which is characterized in that the first display equipment and video
Server communication, the first display equipment includes decoder and buffering queue, the method also includes:
Obtain the coded image that the video server is sent；
The coded image is decoded by the decoder and obtains the display image, and the coded image is put into described delay
Rush queue.
7. a kind of distributed display synchronization system, which is characterized in that the distributed display synchronization system includes video server
With multiple display equipment, the multiple display equipment obtains image data from the video server by network, wherein described
The system time reference of the multiple display equipment and the video server same time proofreads source；
The video server sends different image datas to the multiple display equipment, carries frame in described image data
Number, it is expected that the image frame number having the same that the multiple display equipment is shown simultaneously；
The frame number of current display image is broadcast in the network by the display equipment interval preset time；
The display equipment obtains the frame number that other display equipment currently shows image by the network；
The display equipment calculates the other display equipment and currently shows that the frame number of image and equipment currently show picture frame
The average value of number, using the average value as calibration frame number；
The frame number of the current display image of display equipment judgement and the size of the calibration frame number, if it is greater than or wait
In the calibration frame number, continue to show current display image；If it is less than the calibration frame number, then the current display of display is schemed
The next frame image of picture.
8. a kind of distribution display synchronization device, which is characterized in that aobvious applied to first communicated with multiple second display equipment
Show equipment, the distribution display synchronization device includes that number obtains module, calibration frame module and adjustment module；
The number obtains module and is used to obtain the frame number that the multiple second display equipment currently shows image, and the frame is compiled
Number indicate it is described display image display order, wherein it is described first display equipment and it is the multiple second display equipment show
The frame number of diagram picture is according to identical preset rules layout；
The calibration frame module is set for calculating the first display equipment current frame number and the multiple second display
The average value of the frame number of standby current display image, using the average value as calibration frame number；
The adjustment module is used to judge that the first display equipment currently to show the frame number and the calibration frame number of image
Size, if it is greater than or be equal to the calibration frame number, continue to show current display image；If it is less than the calibration frame
Number, then display currently shows the next frame image of image.
9. distribution display synchronization device according to claim 8, which is characterized in that the distribution display synchronization device
It further include broadcast module；
The broadcast module broadcasts the frame number of the current display image of the first display equipment for being spaced preset time
Into local area network, wherein institute's local area network is made of the first display equipment and the multiple second display equipment；
The number obtains module and is also used to obtain the current display image for obtaining the multiple second display device broadcasts
Frame number.
10. distribution display synchronization device according to claim 8, which is characterized in that the first display equipment and view
Frequency server communication, the first display equipment include decoder and buffering queue, and the distribution display synchronization device also wraps
Include image collection module and decoder module；
Described image obtains module and is used to obtain the coded image that the video server is sent；
The decoder module is used to decode the coded image acquisition display image by the decoder, and by the volume
Code image is put into the buffering queue.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446084A (en) * | 2019-07-09 | 2019-11-12 | 新华三技术有限公司合肥分公司 | Be delayed the method for determination, display equipment, system and computer storage medium |
| CN111629274A (en) * | 2020-06-22 | 2020-09-04 | 上海大因多媒体技术有限公司 | Distributed video control method, system, device, equipment and storage medium |
| CN112184739A (en) * | 2020-11-25 | 2021-01-05 | 腾讯科技（深圳）有限公司 | Image detection method and device and computer readable storage medium |
| CN113271487A (en) * | 2021-05-11 | 2021-08-17 | 深圳创维－Rgb电子有限公司 | Audio and video synchronous playing method, device, system, program product and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202613A (en) * | 2006-12-11 | 2008-06-18 | 中兴通讯股份有限公司 | Terminal for clock synchronising |
| CN101321301A (en) * | 2008-07-08 | 2008-12-10 | 浙江大学 | Camera array synchronization video acquisition and processing system |
| CN102811109A (en) * | 2011-06-01 | 2012-12-05 | 中兴通讯股份有限公司 | Method and system for detecting loss of service frames of uplinking enhanced dedicated channel |
| US20130003867A1 (en) * | 2010-06-11 | 2013-01-03 | Satoko Miki | Video display device |
| CN103402140A (en) * | 2013-08-01 | 2013-11-20 | 深圳英飞拓科技股份有限公司 | Distributed IP (Internet Protocol) video decoder synchronous stitching and on-wall method and system |
| CN104993901A (en) * | 2015-07-09 | 2015-10-21 | 广东威创视讯科技股份有限公司 | Data synchronization method and device of distributed system |
| CN105657364A (en) * | 2015-12-30 | 2016-06-08 | 广东威创视讯科技股份有限公司 | Display method, device and system for image processor |
-
2018
- 2018-12-27 CN CN201811609903.4A patent/CN109561336A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202613A (en) * | 2006-12-11 | 2008-06-18 | 中兴通讯股份有限公司 | Terminal for clock synchronising |
| CN101321301A (en) * | 2008-07-08 | 2008-12-10 | 浙江大学 | Camera array synchronization video acquisition and processing system |
| US20130003867A1 (en) * | 2010-06-11 | 2013-01-03 | Satoko Miki | Video display device |
| CN102811109A (en) * | 2011-06-01 | 2012-12-05 | 中兴通讯股份有限公司 | Method and system for detecting loss of service frames of uplinking enhanced dedicated channel |
| CN103402140A (en) * | 2013-08-01 | 2013-11-20 | 深圳英飞拓科技股份有限公司 | Distributed IP (Internet Protocol) video decoder synchronous stitching and on-wall method and system |
| CN104993901A (en) * | 2015-07-09 | 2015-10-21 | 广东威创视讯科技股份有限公司 | Data synchronization method and device of distributed system |
| CN105657364A (en) * | 2015-12-30 | 2016-06-08 | 广东威创视讯科技股份有限公司 | Display method, device and system for image processor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446084A (en) * | 2019-07-09 | 2019-11-12 | 新华三技术有限公司合肥分公司 | Be delayed the method for determination, display equipment, system and computer storage medium |
| CN110446084B (en) * | 2019-07-09 | 2021-10-12 | 新华三技术有限公司合肥分公司 | Delay determining method, display device, system and computer storage medium |
| CN111629274A (en) * | 2020-06-22 | 2020-09-04 | 上海大因多媒体技术有限公司 | Distributed video control method, system, device, equipment and storage medium |
| CN112184739A (en) * | 2020-11-25 | 2021-01-05 | 腾讯科技（深圳）有限公司 | Image detection method and device and computer readable storage medium |
| CN112184739B (en) * | 2020-11-25 | 2021-03-02 | 腾讯科技（深圳）有限公司 | Image detection method and device and computer readable storage medium |
| CN113271487A (en) * | 2021-05-11 | 2021-08-17 | 深圳创维－Rgb电子有限公司 | Audio and video synchronous playing method, device, system, program product and storage medium |
| CN113271487B (en) * | 2021-05-11 | 2023-07-07 | 深圳创维－Rgb电子有限公司 | Audio and video synchronous playing method, device, system, program product and storage medium |
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