CN105120211A - Video data transmission method - Google Patents
Video data transmission method Download PDFInfo
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- CN105120211A CN105120211A CN201510482457.5A CN201510482457A CN105120211A CN 105120211 A CN105120211 A CN 105120211A CN 201510482457 A CN201510482457 A CN 201510482457A CN 105120211 A CN105120211 A CN 105120211A
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64746—Control signals issued by the network directed to the server or the client
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
An embodiment of the invention discloses a video data transmission method. Current technical problems that the following situations can not be integrally realized are solved, wherein the following situations comprises of supporting an infinite multi-screen quantity, realizing an infinite signal access capability, achieving a good user experience, realizing a remote concentration signal or a long-distance browse concentration signal and carrying out visual control. The method comprises the following steps of receiving video data collected by a data cross transmission module through a hardware processing module or a distributed processing module or a PC processing module; according to an output instruction of the video data, determining an output flow of a video data stream; according to the output flow, transmitting the video data to at least one of the hardware processing module or the distributed processing module or the PC processing module through the data cross transmission module so as to carry out output.
Description
Technical field
The present invention relates to signal processing technology field, particularly relate to a kind of method of transmitting video data.
Background technology
Large-screen processor is also known as large-screen processor controller, large-screen processor splicer, the liquid crystal-spliced device of BSV, display wall processor, major function distributes to N number of video display unit (as rear-projection unit) after one or more complete picture signal is divided into N block, completes and form a jumbotron dynamic image display screen with multiple ordinary video unit.Large-screen processor accesses while can supporting various video equipment, as: DVD, video camera, satellite receiver, Set Top Box, standard computer a-signal.Large-screen processor can realize multiple physics and export the ultrahigh resolution display translation after being combined into the superposition of resolution, make screen wall form a ultrahigh resolution, super brightness, super large display size logic display screen, complete multiple signal source (network signal, rgb signal and vision signal) windowing on screen wall, move, the Presentation Function of the various mode such as convergent-divergent.
At present in large-screen splicing process field, video processor is the heart of whole large-size screen monitors display, invisible at present customers end, but serves crucial effect to whole system.The height of its performance, directly determines technical merit and the customer experience effect of whole system.The video processor of main flow contains three kinds, and one is devices at full hardware architecture processor, and one is distributed processors, also has one to be PC architecture processor.The advantage of devices at full hardware architecture processor is that Video processing performance is high, transmission bandwidth unrestricted, single device support screen quantity is many, its shortcoming is that equipment is heavy, needing unification be placed on machine room and cause strange land signals collecting dumb, there is congenital deficiency in remote data transmission.The advantage of distributed processors is applying flexible, and video acquisition does not limit by region, and its shortcoming is that quality of image processing is more inferior a little than hardware structure processor, can not meet customer experience very well in high-end applications scene.PC architecture processor advantage is signal access, system capabilities upgrade has intel Deng great producer and promotes, and shortcoming is the screen limited amount supported, the developments such as video data process can be limited to the producers such as Microsoft.
Therefore, along with progressively deeply applying of current large data, in large-screen field to the demand of processor also in continuous upgrading, both required to support that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out visual control, but, above-mentioned three kinds of prior aries all exist and cannot overallly realize supporting that unlimited multi-screen quantity, Consumer's Experience are effective, require again to concentrate signal, carry out the technical problem of visual control in strange land.
Summary of the invention
Embodiments provide a kind of method of transmitting video data, solve current existing cannot entirety realizing supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control.
A kind of method of transmitting video data provided in the embodiment of the present invention, comprising:
Receive the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module;
According to the output order of described video data determine the output stream of described video data stream to;
Exported at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream.
Preferably, receive data cross transmission module specifically to be comprised by the video data of hardware processing module or distributed processing modules or the collection of PC processing module:
Receive and transfer to described Cross transfer module by the video capture processor of described hardware processing module through SERDES signal cross chip, then by the described video data of described Cross transfer module transfer.
Preferably, receive data cross transmission module specifically to be comprised by the video data of hardware processing module or distributed processing modules or the collection of PC processing module:
Receive and transfer to described Cross transfer module by the video capture processor of described distributed processing modules through network code submodule, then by the described video data of described Cross transfer module transfer.
Preferably, receive data cross transmission module specifically to be comprised by the video data of hardware processing module or distributed processing modules or the collection of PC processing module:
Receive and transfer to described Cross transfer module by the video capture processor of described PC processing module through cpu chip, then by the described video data of described Cross transfer module transfer.
Preferably, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Go forward side by side line output process to the network decoding submodule of described distributed processing modules to by described video data by described data cross transmission module transfer according to described output stream;
Or
Go forward side by side line output process to the described cpu chip of described PC processing module to by described video data by described data cross transmission module transfer according to described output stream.
Preferably, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Go forward side by side line output process to the SERDES signal cross chip of described hardware processing module to by described video data by described data cross transmission module transfer according to described output stream.
Or
Go forward side by side line output process to the described cpu chip of described PC processing module to by described video data by described data cross transmission module transfer according to described output stream.
Preferably, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Go forward side by side line output process to the SERDES signal cross chip of described hardware processing module to by described video data by described data cross transmission module transfer according to described output stream.
Or
Go forward side by side line output process to the network decoding submodule of described distributed processing modules to by described video data by described data cross transmission module transfer according to described output stream.
Preferably, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Exported by the encoding and decoding submodule of described hardware processing module and described SERDES signal cross chip successively to by described video data according to described output stream.
Preferably, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Export to by the network code submodule of described video data by described distributed processing modules according to described output stream.
Preferably, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Export to by the cpu chip of described video data by described PC processing module according to described output stream.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Embodiments provide a kind of method of transmitting video data, comprising: receive the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module; According to the output stream of the output order determination video data stream of video data to; Exported at least one module in hardware processing module or distributed processing modules or PC processing module by data cross transmission module transfer to by video data according to output stream.In the present embodiment, by receiving the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module, according to the output stream of the output order determination video data stream of video data to, exported at least one module in hardware processing module or distributed processing modules or PC processing module by data cross transmission module transfer to by video data according to output stream, just achieve devices at full hardware architecture processor, the combination of distributed processors and PC architecture processor allomeric function, and data cross transmission module, with hardware processing module, the combination of distributed processing modules and PC processing module, achieve the flow direction of multiple video data, cannot entirety realize supporting unlimited multi-screen quantity existing for solving at present, unlimited signal access capability, Consumer's Experience is effective, require that again concentrated signal is browsed in energy remote centralized signal or strange land, carry out the technical problem of visual control.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of structural representation of an embodiment of method of transmitting video data of Fig. 1 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of method of transmitting video data of Fig. 2 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of method of transmitting video data of Fig. 3 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of method of transmitting video data of Fig. 4 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of method of transmitting video data of Fig. 5 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of method of transmitting video data of Fig. 6 for providing in the embodiment of the present invention;
A kind of structural representation of another embodiment of method of transmitting video data of Fig. 7 for providing in the embodiment of the present invention;
The schematic diagram that by method of transmitting video data carried out an embodiment of data interaction of Fig. 8 for providing in the embodiment of the present invention.
Embodiment
Embodiments provide a kind of method of transmitting video data, solve current existing cannot entirety realizing supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control.
FPGA (Field-ProgrammableGateArray, field programmable gate array), it is the product further developed on the basis of the programming devices such as PAL, GAL, CPLD.
DDR (DoubleDataRate, Double Data Rate synchronous DRAM), DDR should be DDRSDRAM strictly speaking, people's custom is called DDR, wherein, SDRAM is the abbreviation of SynchronousDynamicRandomAccessMemory, i.e. Synchronous Dynamic Random Access Memory.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
101, the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module is received;
In the present embodiment, when need to the video data from hardware processing module or distributed processing modules or the collection of PC processing module carry out the different single flow directions or multiple flow direction export with satisfied different demand time, first, the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module is needed to receive.
102, according to the output stream of the output order determination video data stream of video data to;
After receiving the video data that data cross transmission module gathered by hardware processing module or distributed processing modules or PC processing module, need according to the output stream of the output order determination video data stream of video data to.
103, exported at least one module in hardware processing module or distributed processing modules or PC processing module by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be exported at least one module in hardware processing module or distributed processing modules or PC processing module by data cross transmission module transfer to by video data according to output stream.
In the present embodiment, by receiving the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module, according to the output stream of the output order determination video data stream of video data to, exported at least one module in hardware processing module or distributed processing modules or PC processing module by data cross transmission module transfer to by video data according to output stream, just achieve devices at full hardware architecture processor, the combination of distributed processors and PC architecture processor allomeric function, and data cross transmission module, with hardware processing module, the combination of distributed processing modules and PC processing module, achieve the flow direction of multiple video data, cannot entirety realize supporting unlimited multi-screen quantity existing for solving at present, unlimited signal access capability, Consumer's Experience is effective, require that again concentrated signal is browsed in energy remote centralized signal or strange land, carry out the technical problem of visual control.
The above is described in detail the process of method of transmitting video data, below the flow direction transferring to Cross transfer module output video data again through SERDES signal cross chip to the video capture processor by hardware processing module is described in detail, in actual applications, the flow direction of video data has multiple, will be described in detail respectively below.
One, distributed processing modules exports;
Refer to Fig. 2, another embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
201, receive and transfer to Cross transfer module by the video capture processor of hardware processing module through SERDES signal cross chip, then by the video data of Cross transfer module transfer;
In the present embodiment, when needs are to when exporting video data by distributed processing modules from hardware processing module, need to receive and transfer to Cross transfer module by the video capture processor of hardware processing module through SERDES signal cross chip, then by the video data of Cross transfer module transfer.
202, according to the output stream of the output order determination video data stream of video data to;
Cross transfer module is transferred to by the video capture processor of hardware processing module through SERDES signal cross chip when receiving, after video data again by Cross transfer module transfer, need according to the output stream of the output order determination video data stream of video data to.
203, exported at least one module in hardware processing module or distributed processing modules or PC processing module by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be gone forward side by side line output process to the network decoding submodule of distributed processing modules by data cross transmission module transfer to by video data according to output stream.
In the present embodiment, cannot entirety realize supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective existing for solving at present, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control, further, be applicable to local video signal concentrated collection, local large-size screen monitors export the scene used together with long-range output, and this scene is most suitable, most economical.
Two, distributed processing modules exports;
Refer to Fig. 3, another embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
301, receive and transfer to Cross transfer module by the video capture processor of hardware processing module through SERDES signal cross chip, then by the video data of Cross transfer module transfer;
In the present embodiment, when needs are to when exporting video data by distributed processing modules from hardware processing module, need to receive and transfer to Cross transfer module by the video capture processor of hardware processing module through SERDES signal cross chip, then by the video data of Cross transfer module transfer.
302, according to the output stream of the output order determination video data stream of video data to;
Cross transfer module is transferred to by the video capture processor of hardware processing module through SERDES signal cross chip when receiving, after video data again by Cross transfer module transfer, need according to the output stream of the output order determination video data stream of video data to.
303, to be gone forward side by side line output process to the cpu chip of PC processing module by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be gone forward side by side line output process to the cpu chip of PC processing module by data cross transmission module transfer to by video data according to output stream.
Should be noted that, the step 203 in the present embodiment and 303 can also be exported by the encoding and decoding submodule of hardware processing module and SERDES signal cross chip successively to by video data according to output stream.
In the present embodiment, cannot entirety realize supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective existing for solving at present, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control, further, be applicable to collection signal quantity many, need again the scene with desktop simultaneously.
The above is the flow direction video capture processor by hardware processing module being transferred to Cross transfer module output video data again through SERDES signal cross chip, below the transmitting procedure transferring to Cross transfer module through network code submodule to the video capture processor of distributed processing modules is described in detail, in actual applications, the flow direction of video data has multiple, will be described in detail respectively below.
One, hardware processing module exports;
Refer to Fig. 4, another embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
401, receive and transfer to Cross transfer module by the video capture processor of distributed processing modules through network code submodule, then by the video data of Cross transfer module transfer;
In the present embodiment, when needs are to when being exported video data by hardware processing module by distributed processing modules from distributed processing modules again, need to receive and transfer to Cross transfer module by the video capture processor of distributed processing modules through network code submodule, then by the video data of Cross transfer module transfer.
402, according to the output stream of the output order determination video data stream of video data to;
Cross transfer module is transferred to by the video capture processor of distributed processing modules through network code submodule when receiving, after video data again by Cross transfer module transfer, need according to the output stream of the output order determination video data stream of video data to.
403, to be gone forward side by side line output process to the SERDES signal cross chip of hardware processing module by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be gone forward side by side line output process to the SERDES signal cross chip of hardware processing module by data cross transmission module transfer to by video data according to output stream.
In the present embodiment, cannot entirety realize supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective existing for solving at present, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control, further, being adapted at signal source is distributed in different local, need the unified output of local large-size screen monitors, high scene is required to signal display effect simultaneously.
Two, PC processing module exports;
Refer to Fig. 5, another embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
501, receive and transfer to Cross transfer module by the video capture processor of distributed processing modules through network code submodule, then by the video data of Cross transfer module transfer;
In the present embodiment, when needs are to when being exported video data by PC processing module by distributed processing modules from distributed processing modules again, need to receive and transfer to Cross transfer module by the video capture processor of distributed processing modules through network code submodule, then by the video data of Cross transfer module transfer.
502, according to the output stream of the output order determination video data stream of video data to;
Cross transfer module is transferred to by the video capture processor of distributed processing modules through network code submodule when receiving, after video data again by Cross transfer module transfer, need according to the output stream of the output order determination video data stream of video data to.
503, to be gone forward side by side line output process to the cpu chip of PC processing module by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be gone forward side by side line output process to the cpu chip of PC processing module by data cross transmission module transfer to by video data according to output stream.
In the present embodiment, cannot entirety realize supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective existing for solving at present, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control, further, being adapted at signal source is distributed in different local, need the unified output of local large-size screen monitors, and have the scene of band desktop.
Should be noted that, the step 403 in the present embodiment and 503 can also be export to by the network code submodule of video data by distributed processing modules according to output stream.
The above is described in detail the transmitting procedure that the video capture processor of distributed processing modules transfers to Cross transfer module through network code submodule, Cross transfer module is transferred to by the video capture processor of PC processing module through cpu chip below by receiving, be described in detail by the process of the video data of Cross transfer module transfer again, in actual applications, the flow direction of video data has multiple, will be described in detail respectively below.
One, hardware processing module exports;
Refer to Fig. 6, another embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
601, receive and transfer to Cross transfer module by the video capture processor of PC processing module through cpu chip, then by the video data of Cross transfer module transfer;
In the present embodiment, when needs are to when being exported video data by hardware processing module by distributed processing modules from PC processing module again, need to receive and transfer to Cross transfer module by the video capture processor of PC processing module through cpu chip, then by the video data of Cross transfer module transfer.
602, according to the output stream of the output order determination video data stream of video data to;
Transfer to Cross transfer module by the video capture processor of PC processing module through cpu chip when receiving, then after video data by Cross transfer module transfer, need according to the output stream of the output order determination video data stream of video data to.
603, to be gone forward side by side line output process to the SERDES signal cross chip of hardware processing module by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be gone forward side by side line output process to the SERDES signal cross chip of hardware processing module by data cross transmission module transfer to by video data according to output stream.
In the present embodiment, cannot entirety realize supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective existing for solving at present, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control, further, be adapted at multiple signal source concentrated collection, and can superpose, export in different local scene.
Two, distributed processing modules exports;
Refer to Fig. 7, another embodiment of a kind of method of transmitting video data provided in the embodiment of the present invention comprises:
701, receive and transfer to Cross transfer module by the video capture processor of PC processing module through cpu chip, then by the video data of Cross transfer module transfer;
In the present embodiment, when needs are to when being exported video data by distributed processing modules by distributed processing modules from PC processing module again, need to receive and transfer to Cross transfer module by the video capture processor of PC processing module through cpu chip, then by the video data of Cross transfer module transfer.
702, according to the output stream of the output order determination video data stream of video data to;
Transfer to Cross transfer module by the video capture processor of PC processing module through cpu chip when receiving, then after video data by Cross transfer module transfer, need according to the output stream of the output order determination video data stream of video data to.
703, to be gone forward side by side line output process to the network decoding submodule of distributed processing modules by data cross transmission module transfer to by video data according to output stream.
When the output order determination video data stream according to video data output stream to after, need to be gone forward side by side line output process to the network decoding submodule of distributed processing modules by data cross transmission module transfer to by video data according to output stream.
In the present embodiment, cannot entirety realize supporting that unlimited multi-screen quantity, unlimited signal access capability, Consumer's Experience are effective existing for solving at present, require that again energy remote centralized signal or strange land are browsed concentrated signal, carried out the technical problem of visual control, further, be adapted at multiple signal source concentrated collection, and can multiple-layer stacked be carried out, export and high scene is required to signal display effect.
Should be noted that, the step 603 in the present embodiment and 703 can also be export to by the cpu chip of video data by PC processing module according to output stream.
It should be noted that, in the embodiment of Fig. 1 to Fig. 7, aforesaid hardware processing module, PC processing module, distributed processing modules, data cross transmission module;
Data cross transmission module sets up communication connection relation with hardware processing module, PC processing module, distributed processing modules respectively, and this communication connection can be that wire communication connects, and can also be that radio communication connects;
Hardware processing module, PC processing module, distributed processing modules include the video submodule for video frequency output, Video processing and video acquisition respectively;
Wherein, data cross transmission module is the mutual interaction platform of video data of hardware processing module, PC processing module, distributed processing modules, it should be noted that, provide the crossover-platform of video data, the video data of three kinds of framework process carries out alternately on this platform.
Further,
Data cross transmission module comprises a plurality of PHY chip and cross chips, a plurality of PHY chip carries out communication interaction by cross chips, wherein PHY chip can be ethernet PHY chip, aforesaid cross chips can be high speed cross chips, specifically do not limit herein, can also be the intersection centre structure of multiple cross chips combination, further Cross transfer module also includes other and supports electronic module, the basic hardware modules such as such as power module.
Further,
Hardware processing module also comprises: SERDES signal cross chip and encoding and decoding submodule, and both establish a communications link relation;
SERDES signal cross chip, video data for being gathered by video capture processor passes through coding and decoding video module to data cross transmission module, then flow through data cross transmission module according to the output of the output order determination video data stream of video data and through SERDES signal cross chip, video data carried out cross-over control by the vision signal of output module, completing the switching of video image and the function of scheduling arbitrarily in large-size screen monitors;
Further,
PC processing module also comprises: PCIe channel expansion submodule and cpu chip, and both establish a communications link relation mutually;
PCIe channel expansion submodule and video submodule establish a communications link relation, the bridge sheet composition that PCIe channel expansion submodule carries primarily of plate, and its function is the expansion of the PCIe number of channels of CPU, so that system can insert more capture card and output video card;
Cpu chip is connected with Cross transfer module communication, and cpu chip is made up of a powerful CPU, and layer can install microsoft operation system or (SuSE) Linux OS thereon, completes video acquisition and output function by the scheduling of drive software.
Further,
Distributed processing modules also comprises: network code submodule and network decoding submodule, network code submodule, network decoding submodule communicate to connect Cross transfer module respectively, it should be noted that, network code submodule and network decoding submodule are made up of the DM816X family chip of TI, FPGA and DDR chip module, and it completes function has been the coding of vision signal and the output of remote video signal.
Further,
Aforesaid video data acquiring, process and output can be realized by video submodule, and it comprises:
Video capture processor, for gathering video data, and transfers to video processing unit and carries out video data process, and such as professional video acquisition chip is formed;
Video processing unit, for adopting devices at full hardware process chip or software processing mode, video data is processed, and the video data after process is sent to output unit, such as video processing unit can be include multiple Video processing subelement, make different Video processing can be by different Video processing subelements, as convergent-divergent, de interlacing etc. all have the Video processing subelement of specialty to complete, the mode of Video processing subelement process is also various is that embody rule can adopt the process of devices at full hardware chip or adopt software processing mode.
Output unit, primarily of video format coding chip and minimum system composition, for being exported by the coding video data after process, output unit can also comprise peripheral power supply subelement further.
Further,
Encoding and decoding submodule is primarily of NVR chip, FPGA and DDR chip composition;
NVR chip, carries out encoding and decoding process for the vision signal transmitted SERDES signal cross chip 111 or Cross transfer module 14, and controls the interactive operation of vision signal, and such as NVR chip is DM816X family chip;
FPGA, for completing the serioparallel exchange of the serdes signal to SERDES signal cross chip, and carries out caching process to video data.
It should be noted that, by 816X chip complete to the coding of vision signal and and the control signal of modules mutual, completed the caching process etc. of serioparallel exchange to serdes signal and video data by FPGA; The function of whole encoding and decoding submodule in framework is exactly reception and the generation of high-speed serial signals, and with the uniform format of the vision signal of Cross transfer module and mutual.
Further,
SERDES signal cross chip forms primarily of high speed cross chips, CPU minimum system and backboard, for the vision signal of video submodule or the transmission of encoding and decoding submodule is carried out cross-over control, it should be noted that, SERDES signal cross chip single channel crossing velocity reaches 6.25Gbps; The major function of this module is that the vision signal of video capture processor, video processing unit and output unit is carried out cross-over control, complete the switching of video image and the function of scheduling arbitrarily in large-size screen monitors, aforesaid large-size screen monitors are the display screen be connected with method of transmitting video data, this display screen can be multiple, differs in the position of distribution.
Refer to Fig. 8, the embodiment of carrying out data interaction by method of transmitting video data provided in the embodiment of the present invention comprises:
Transmitting terminal and receiving terminal, when being connected by TCP, first, as shown in Figure 3, Cross transfer module needs the ID number transmitting transmitting terminal and receiving terminal, and connection signal, make receiving terminal connect transmitting terminal, confirm both sides ID, whether extremely to judge to connect, carry out abnormality processing flow process, the technology that this abnormality processing flow process is known to the skilled person if abnormal, repeat no more herein.
Then, the video data of Cross transfer module responds receiving terminal, and video packets is sent to destination, the resolution of receiving terminal inquiry transmitting terminal, video packet data sends.
Then, receiving terminal receiving video data bag, processes video data;
Finally, judge video data whether end of transmission, if complete middle connection breaking, stop video data sending.
It should be noted that, aforesaid video packets of data does not have permanent order, and video connection request success, can accept video data; In order to ensure the stability of main business, video connects unsuccessful, can reconnect; Each video data stream is completely independently.The network communications port of receiving terminal and transmitting terminal is distributed unitedly, should be noted that, the distribution of the network communications port of receiving terminal and transmitting terminal is necessary for one_to_one corresponding.
It can be as follows for end then occurring with the outside distribution carrying out the port of network service:
1) control flow check network management interface, as TCP server, port numbers 5001; 2) with the network management interface of receiving terminal, as TCP server, port numbers 5002; 3) with the network management interface of embedded Web, as TCP server, port numbers 5003; 4) with the Service-Port automatically finding protocol broadcast, 6011; Return code port: 6012; 5) interface of upgrading with upgrading tool, port numbers 5011; 6) the port numbers 3300-3303 of video main bit stream TCP; 7) the port numbers 3500-3503 of video subcode stream TCP; 8) RTSP default port 8554;
Receiving terminal can be as follows with the outside distribution carrying out the port of network service:
A) control flow check network management interface, as TCP server, port numbers 5001; B) with the network management interface of Web server, as TCP server, port numbers 5003; C) with the Service-Port automatically finding protocol broadcast, 6011; Return code port: 6012; D) interface of upgrading tool upgrading, port numbers 5011.
The communication protocol of Cross transfer module is all defined message format, public variable, error code, here be not described in detail, for the head-coating structure of video data, consider from practical situations in the present invention, use the registers such as the register definitions of 32/16 synchronous head, packet length, frame count, present frame size respectively, as shown in table 1 below.
Table 1:
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and module, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described module, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple module or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or module or communication connection can be electrical, machinery or other form.
The described module illustrated as separating component can or may not be physically separates, and the parts as module display can be or may not be physical module, namely can be positioned at a place, or also can be distributed on multiple mixed-media network modules mixed-media.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of modules exists, also can two or more module integrations in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.
If described integrated module using the form of software function module realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a method of transmitting video data, is characterized in that, comprising:
Receive the video data that data cross transmission module is gathered by hardware processing module or distributed processing modules or PC processing module;
According to the output order of described video data determine the output stream of described video data stream to;
Exported at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream.
2. method of transmitting video data according to claim 1, is characterized in that, receives data cross transmission module and is specifically comprised by the video data of hardware processing module or distributed processing modules or the collection of PC processing module:
Receive and transfer to described Cross transfer module by the video capture processor of described hardware processing module through SERDES signal cross chip, then by the described video data of described Cross transfer module transfer.
3. method of transmitting video data according to claim 1, is characterized in that, receives data cross transmission module and is specifically comprised by the video data of hardware processing module or distributed processing modules or the collection of PC processing module:
Receive and transfer to described Cross transfer module by the video capture processor of described distributed processing modules through network code submodule, then by the described video data of described Cross transfer module transfer.
4. method of transmitting video data according to claim 1, is characterized in that, receives data cross transmission module and is specifically comprised by the video data of hardware processing module or distributed processing modules or the collection of PC processing module:
Receive and transfer to described Cross transfer module by the video capture processor of described PC processing module through cpu chip, then by the described video data of described Cross transfer module transfer.
5. method of transmitting video data according to claim 2, it is characterized in that, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Go forward side by side line output process to the network decoding submodule of described distributed processing modules to by described video data by described data cross transmission module transfer according to described output stream;
Or
Go forward side by side line output process to the described cpu chip of described PC processing module to by described video data by described data cross transmission module transfer according to described output stream.
6. method of transmitting video data according to claim 3, it is characterized in that, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Go forward side by side line output process to the SERDES signal cross chip of described hardware processing module to by described video data by described data cross transmission module transfer according to described output stream.
Or
Go forward side by side line output process to the described cpu chip of described PC processing module to by described video data by described data cross transmission module transfer according to described output stream.
7. method of transmitting video data according to claim 4, it is characterized in that, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Go forward side by side line output process to the SERDES signal cross chip of described hardware processing module to by described video data by described data cross transmission module transfer according to described output stream.
Or
Go forward side by side line output process to the network decoding submodule of described distributed processing modules to by described video data by described data cross transmission module transfer according to described output stream.
8. method of transmitting video data according to claim 2, it is characterized in that, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Exported by the encoding and decoding submodule of described hardware processing module and described SERDES signal cross chip successively to by described video data according to described output stream.
9. method of transmitting video data according to claim 3, it is characterized in that, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Export to by the network code submodule of described video data by described distributed processing modules according to described output stream.
10. method of transmitting video data according to claim 4, it is characterized in that, carry out exporting specifically comprising at least one module in hardware processing module or distributed processing modules or PC processing module by described data cross transmission module transfer to by described video data according to described output stream:
Export to by the cpu chip of described video data by described PC processing module according to described output stream.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107943726A (en) * | 2017-11-16 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of data transmission system and method based on PCIe interface |
Families Citing this family (1)
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523769A (en) * | 1993-06-16 | 1996-06-04 | Mitsubishi Electric Research Laboratories, Inc. | Active modules for large screen displays |
| CN101246628A (en) * | 2007-04-27 | 2008-08-20 | 刘星 | Linear multi-parameter composite fire detector |
| CN101986702A (en) * | 2009-07-29 | 2011-03-16 | 赛丽电子系统(上海)有限公司 | Processing method applicable to network video monitoring of digital light processing (DLP) multi-screen splicing display wall |
| CN102098453A (en) * | 2010-12-13 | 2011-06-15 | 广东威创视讯科技股份有限公司 | Video streaming control system of multi-screen processor cascading extended system |
| CN102323877A (en) * | 2011-08-31 | 2012-01-18 | 广东威创视讯科技股份有限公司 | SERDES-based video processing system |
| CN104243507A (en) * | 2013-06-07 | 2014-12-24 | 北京显约科技有限公司 | Distributed image splicing processing technology based on Ethernet |
-
2015
- 2015-08-03 CN CN201510482457.5A patent/CN105120211B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523769A (en) * | 1993-06-16 | 1996-06-04 | Mitsubishi Electric Research Laboratories, Inc. | Active modules for large screen displays |
| CN101246628A (en) * | 2007-04-27 | 2008-08-20 | 刘星 | Linear multi-parameter composite fire detector |
| CN101986702A (en) * | 2009-07-29 | 2011-03-16 | 赛丽电子系统(上海)有限公司 | Processing method applicable to network video monitoring of digital light processing (DLP) multi-screen splicing display wall |
| CN102098453A (en) * | 2010-12-13 | 2011-06-15 | 广东威创视讯科技股份有限公司 | Video streaming control system of multi-screen processor cascading extended system |
| CN102323877A (en) * | 2011-08-31 | 2012-01-18 | 广东威创视讯科技股份有限公司 | SERDES-based video processing system |
| CN104243507A (en) * | 2013-06-07 | 2014-12-24 | 北京显约科技有限公司 | Distributed image splicing processing technology based on Ethernet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107943726A (en) * | 2017-11-16 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of data transmission system and method based on PCIe interface |
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