CN205160704U - Integration streaming media service optical transmitter and receiver - Google Patents
Integration streaming media service optical transmitter and receiver Download PDFInfo
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- CN205160704U CN205160704U CN201520927324.XU CN201520927324U CN205160704U CN 205160704 U CN205160704 U CN 205160704U CN 201520927324 U CN201520927324 U CN 201520927324U CN 205160704 U CN205160704 U CN 205160704U
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Abstract
The utility model relates to a light communication technology field, it discloses an integration streaming media service optical transmitter and receiver, including the professional integrated circuit board of FPGA, optical transmitter and receiver mainboard and the control unit, the professional integrated circuit board of FPGA, optical transmitter and receiver mainboard and the control unit connect through the electricity, the professional integrated circuit board of FPGA is the professional card of combined type, divide into professional sending card and the professional card of receiving, the professional integrated circuit board of FPGA includes sending or receiving module of multichannel and multiple business video data. The beneficial effects of the utility model are that: not only can the network deployment of greatly reduced optical transmitter and receiver the complexity of construction, reduce overall equipment trouble and rate, construction cost and maintenance cost that moreover can the network deployment of great reduction optical transmitter and receiver.
Description
Technical field
The utility model relates to technical field of photo communication, provides a kind of integrated streaming media service optical transmitter and receiver.
Background technology
Along with the development of signal apparatus in multimedia application, aobvious control engineering, the resolution of flat-panel monitor, projector is more and more higher, requires also more and more higher to its Signal transmissions and access.At present, the consumer product of employing DVI, HDMI spreads all over the plurality of devices such as high definition display device, panel TV, and wherein the maximum transfer rate of single channel DVI just can reach 4.95Gbit/s, and display resolution reaches 1080p.In addition, the real-time high definition broadcasting and TV level video camera (HD-SDI video camera) without compression adopting HD-SDI high-definition digital component serial interface provides the demand of the image sources of high definition also to get more and more for Surveillance center.Because the loss of traditional aaaanalog transmission system institute signal transmission is large, cause the projector equipment of high-quality cannot show high-quality image, form the bottleneck problem of display quality, and due to the too fast (1.65Gbs of digital video signal code stream, even higher), when utilizing cable transmission, by amplitude-frequency characteristic, group delay property, low-and high-frequency is disturbed, the impact of power ground etc., cause the loss of signal serious, image occurs that fuzzy hangover divides the problems such as tail, for these problems, Optical Fiber Transmission is utilized to have band in industry roomy, long transmission distance, jamproof advantage, invent the multiple multiple optical transmitter and receiver for unlike signal and grade of transmission requirement.
At present, in high-end field, for the transmission demand of high-definition signal or large discharge business datum, although the appearance of the high-performance optical terminal of more domestic manufacturers meets the business transmission demand of this high-grade big data quantity from basic function, but make a general survey of application scenarios and the Industry system construction scheme thereof of optical transmitter and receiver, in Most current situation, optical transmitter and receiver also only possesses less function, as: a just signal transmission apparatus.On the other hand, in whole the application system construction process, also need the assistance of other corollary equipments (as the access of light net networking or Ethernet route exchange device etc.) to complete total system function, that is along with the competition of technical scheme and development, in Optical Fiber Transmission scheme, except utilizing merely the scheme of optical transmitter and receiver networking, also comprise the schemes such as light matrix, Video Codec+switch, Ethernet passive optical network (GPON)+Video Codec, UTN integrated service Optical Transmission Network OTN.The product of this Highgrade integration of Present Domestic is also few, or very rare.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides a kind of integrated streaming media service optical transmitter and receiver, solves equipment network in prior art and lacks universal flexible, the problem of fiber optic network utilance deficiency.
The utility model is to achieve these goals by the following technical solutions: a kind of integrated streaming media service optical transmitter and receiver of Design and manufacture, comprises FPGA business board, optical transmitter and receiver mainboard and control unit; Described FPGA business board, optical transmitter and receiver mainboard and control unit are by electrical connection.
As further improvement of the utility model: described FPGA business board is combined type service card, is divided into business sending card and business receiving card, and described FPGA business board comprises transmission or the receiver module of multichannel and multiple business video data.
As further improvement of the utility model: described optical transmitter and receiver mainboard provides the electric driver circuit and physical interface that are connected with FPGA service card, described optical transmitter and receiver mainboard has SATA disk array memory interface, and described optical transmitter and receiver mainboard provides peripheral circuit for control unit.
As further improvement of the utility model: control unit is provided with CPU, coding and decoding video process chip and ethernet control chip collection.
As further improvement of the utility model: described FPGA business board also comprises: field programmable logic device FPGA, serioparallel exchange module, parallel serial conversion module, high-definition media interface HDMI, digital visual interface DVI, high-definition digital component serial interface HD-SDI and PCI-E data exchange interface.
As further improvement of the utility model: the fiber optical transceiver in described FPGA business board is connected with ONU or ONT of far-end by adopting the optical fiber of wave division multiplex mode transmission.
The beneficial effects of the utility model are: the complexity that greatly can not only reduce optical transmitter and receiver Networking construction, reduce overall device failure rate, and can the construction cost of larger reduction optical transmitter and receiver networking and maintenance cost.
Accompanying drawing explanation
Fig. 1 is overall system structure block diagram of the present invention.
Fig. 2 is FPGA business receiving card foundation structure block diagram of the present invention.
Fig. 3 is OLT functional hardware block diagram in FPGA business board of the present invention.
Fig. 4 is ONU functional hardware block diagram in FPGA business board of the present invention.
Fig. 5 is the network organizing schematic block diagram of this integrated streaming media service optical transmitter and receiver.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of integrated streaming media service optical transmitter and receiver, comprises FPGA business board, optical transmitter and receiver mainboard and control unit; Described FPGA business board, optical transmitter and receiver mainboard and control unit are by electrical connection.In one embodiment, this optical transmitter and receiver is integrated with the basic function of traditional optical transmitter and receiver, and by multi-channel service data, as audio frequency and video, switching value, Ethernet data, the signals of telecommunication such as phone are compounded on optical fiber through optical transmitter and receiver signal transacting and transmit.Whole streaming media service optical transmitter and receiver structure is divided into three parts: FPGA business board, optical transmitter and receiver mainboard (template), Systematical control and service core plate, its overall system structure block diagram, as shown in Figure 1.As the FPGA business board of such scheme, its feature interpretation is: FPGA service card is divided into business sending card and business receiving card according to mode of operation.Combined type business board khaki is characterised in that it transmission comprising multichannel and multiple business video data or receiver module, business video data wherein comprises DVI, HD-SDI, VGA, HDMI, the video interface type of the types such as RJ45, by function modoularization, with the standardization of mainboard information interactive bus, the combination of multiple business plate conveniently can be combined into the multiplexed optical terminal of much information stream format, facilitate dynamic conditioning demand, operational plate carries signal lamp and built-in monitoring software.Be flexibility and the adaptability of raising equipment simultaneously, reduce manufacturing cost, adopt the assembled scheme of ARM+FPGA, carry out board control and data processing.Business datum adopts digitlization optical transport mode, and single optical fibre can transmit the business datums such as multi-path high-definition, SD, non-SD vision signal simultaneously, and the relevant GPON circuit of every service card possesses GPON protocol processes function.
As the optical transmitter and receiver mainboard of such scheme, optical transmitter and receiver mainboard is the motherboard of FPGA service card, and mainboard provides the electric driver circuit and physical interface that are connected with FPGA service card, as PCI-E bus control circuit, and PCI-E electric interfaces slot; Mainboard has SATA disk array memory interface simultaneously, and SATA disk array interface provides hicap to store for streaming media service, as the storage of audio frequency and video or other data; In addition, mainboard provides peripheral circuit for Systematical control and service core plate, as SATA system disk interface, and DDR high-speed internal memory card, power supply, house dog, hardware monitoring circuit.In system business interface, extend RJ-45, USB, the hardware interfaces such as serial ports, wherein RJ-45 is the exchanges data mouth of IP or the MPLS business network of Ethernet, and serial ports can carry out system debug mouth, and USB is the general access interface of peripheral hardware.
Control unit comprises high-performance CPU, coding and decoding video process chip, gigabit Ethernet control chip collection etc., the its main operational processing platform of its mainly streaming media service, for whole integrated Streaming Media optical transceiver system capable provides system configuration to manage, exchanges data controls and distribution services, possesses the slitless connection function with IP and MPLS business datum network in Ethernet.
As the FPGA business board khaki feature in such scheme also comprises:
Foundation structure: service card major function is to provide the transmittability of business datum in light path, its hardware configuration comprises field programmable logic device FPGA, serioparallel exchange module, parallel serial conversion module, high-definition media interface (HDMI), digital visual interface (DVI), high-definition digital component serial interface (HD-SDI), PCI-E data exchange interface.Service card is combined type card feeding-discharging, and when service card is mainly receiving mode, its foundation structure block diagram as shown in Figure 2.In foundation structure Fig. 2 of the FPGA business board of such scheme, FPGA is responsible for the access control of the high definition of multiple types, SD video and audio frequency, process and interface conversion, optical fiber transmission function.Board FPGA supervisory circuit provides abundant status monitoring, error monitoring function simultaneously, has various configurations executive capability.In business function, the optic path ability of video can not only be provided, and for video traffic, FPGA easily extensible is to the identification of video image and disposal ability.According to system configuration, video traffic card provides the particular video frequency image processing function of extraction to frame of video, analysis, comparison.
In the FPGA service card of such scheme, when it is configured to main sending mode, vision signal is after FPGA process, on the one hand business video data is sent in optical-fibre channel through optical module, according to system configuration, image procossing can be carried out on the other hand, and by related data, be sent to the host unit (optical transmitter and receiver mainboard, linux core board) of service card by PCI-E interface, wherein PCI-E interface is the service interaction interface of service card and host unit.Host unit can be distributed to FPGA+ARM process by under configuration parameter and business datum simultaneously, is sent to optical channel through parallel serial conversion module, electrooptic conversion module, light output module.Single transmitting terminal service card single port can support the multiple multi-channel video transmission such as clear or 8 to the 16 tunnel ordinary video of 2 tunnel high definitions or 1 tunnel high definition, 2 road signs.Reverse control circuit is then responsible for control to signal source equipment, and namely board exports control data from board host unit (Systematical control and core board) or far-end through Reverse Turning Control driver module, RS485/RS232 interface to information source control interface.
In the FPGA business board of such scheme, in the mutual implementation procedure of optical communication link, FPGA business board achieves the technical support to G bit passive fiber optic network (GPON), business board can be divided into OLT type and ONU card, GPON port wherein on OLT (optical line terminal) board adopts the transmission means of single fiber wavelength division multiplexing, defer to the G.984.2 up 1310nm of prescribed by standard, the Wavelength Assignment of descending 1490nm, and carry out bidirectional data transfers between ONT or ONU, wherein ONU is the optical node unit in GPON.For HD-SDI type service, involved by business board, GPON functional hardware block diagram is respectively: as shown in Figure 3, ONU functional hardware block diagram as shown in Figure 4 for OLT functional hardware block diagram.
In the OLTGPON functional hardware block diagram 3 of such scheme, fiber optical transceiver is that the single GPON mouth of service card supports at most 128 ONU by adopting the optical fiber of wave division multiplex mode transmission to be connected with ONU or ONT of far-end.Monolithic OLT service card (veneer) can support multiple PON interface, and veneer is maximum supports up 10Git/s, the bandwidth of descending 10Gbit/s.The veneer data flow with OLT function is: the light signal coming from ONU or ONT is passed to burst clock and extracted data recoverer (BCDR) by fiber optical transceiver (GPONOLTTransceiver) after opto-electronic conversion, after BCDR Clock Extraction date restoring, clock signal after process and data are passed to DES (deserializer), data are passed to OLT Media access contorl (MAC) chip (hardware implementing containing for G984.3 agreement) of GPON Access Network after serioparallel exchange, the GEM frame sent here is carried out forward error correction by OLT Media access contorl (MAC) chip, after descrambling etc., extracted valid data again, valid data can be given Ethernet many mouthfuls of Switching Modules on the one hand, data are by after the mutual resume module of the many oral sexes of Ethernet, up by connecing RJ-45 interface after PHY, on the other hand according to OLT network configuration, associated traffic data is distributed to other ONU or ONT in fiber optic network.
In the ONUGPON functional hardware block diagram 4 of the FPGA business board described in such scheme, fiber optical transceiver is by adopting the optical fiber of wave division multiplex mode transmission to be connected with the OLT of far-end, and by Optical Distribution Node (ODN) for OLT and ONU provides transmission line.Business board GPON networking block diagram as shown in Figure 5, the application network containing three office points is depicted in Fig. 5, wherein each office point is connected by Light splitter toy to carry out networking, should ensure in equipment network and only have the OLT type service card of a GPON signaling and network management, other service cards can be ONU type.Often overlap integrated streaming media service optical transmitter and receiver and can insert multiple audio-video signal Business Processing card, service optical transmitter and receiver is when carrying out process transmission or receiving to service signal, the extraction of audio-video signal can be carried out, extracted data is delivered to streaming media service platform process by PCI-E interface store and issue, every office point integration streaming media service optical transmitter and receiver can be each office point user provides streaming media service, i.e. live and order program service.
In the solution of the present invention design, FPGA business board extracts the audio-video signal through board, and the audiovisual presentation frame after extracting is delivered to host's streaming media service platform through FPGA process, and the streaming media service that can be system provides data source.
The invention provides a kind of integrated streaming media service optical transmitter and receiver, it is characterized in that comprising: FPGA Service Processing Module: first FPGA board carries out signal condition to its access audio-video signal, again by conditioning after signal transmission to fpga chip process, after FPGA serioparallel exchange, audio, video data extract, data are passed to transmission convergence layer (TC) and the physical medium layer (PMD) of GPON module, after parallel-serial conversion, be sent to this optical network node by optical fiber receiver-transmitter module again.OLT (the main transmitting terminal of central office side) and ONU(distant-end node primary recipient end is divided in GPON module) two types, wherein OLT is for separating of exchange and the non-reciprocal exchange of business, manage the signaling from ONU, its monitoring business is ONU and the assignment function self providing maintenance and business datum.Its effect of ONU is then for optical access network provides the user side interface of far-end.
Stream medium audio and video processing module: be the format converting module of data source of stream media, original audio, video data is converted to the propelling data that may be used for streaming media service module by it, and propelling data is sent to streaming media service module.
Streaming media service module: streaming media service module is as the server of a Streaming Media RTMP agreement, the original propelling data of its receiving stream media audio frequency and video processing module, converts the RTMP protocol data-flow that may be used for DST PLAYER and play to by original propelling data.
WEB server: all streaming media resource services release by WEB server.
Network data exchange module: this module is divided into two parts, a part is Routing Information Exchange submodule, it comprises the realization of the route related protocols such as OSPF, LDP, RIP, BGP, and its effect shows as the interpolation of label in the routing forwarding management of service data and MPLS message, exchange, deletion; Another part is then the business datum Switching Module submodule in FPGA service card, and it comprises the exchanges data of GPON network and ethernet ip network or MPLS network.
In such scheme, the entrance propelling data of described streaming media service module can be the extracted data of FPGA Service Processing Module, can also be the network data of network data exchange module.For the data source that FPGA extracts, its data flow procedure is: first original extracted data changes through the internal form of stream medium audio and video processing module dress, data transaction is become H264/ACC, and translated data is cached in a MPEG-TS container, then MPEG-TS data are sent to streaming media service module by UDP transmission means, streaming media service module will may be provided in line order program service after data buffer storage, simultaneously by WEB server, Streaming Media data is published to user network.
In such scheme, the internal work flow process of described network data exchange module is: the information such as routing iinformation, Tag switching information first being obtained each neighbours in network by the protocol process of Routing Information Exchange submodule, then this information is passed to routing iinformation managing process, after routing iinformation managing process receives the command messages that routing protocol process sends, operation is made according to the agreement order between protocol process and managing process, namely when ordering as deleting routing command, then the delete function of corresponding route in LINUX system is performed; When for adding routing command, then perform the routing update in LINUX system or add function.Routing iinformation managing process can also according to current system conditions simultaneously, carry out real-time update as the Status Change of network interface or the configuring condition of static routing and distribute dependent routing information to routing protocol process, helping routing iinformation and the MPLS label information of protocol process real-time exchange People Near Me.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (5)
1. an integrated streaming media service optical transmitter and receiver, is characterized in that: comprise FPGA business board, optical transmitter and receiver mainboard and control unit; Described FPGA business board, optical transmitter and receiver mainboard and control unit are by electrical connection; Described FPGA business board is combined type service card, is divided into business sending card and business receiving card, and described FPGA business board comprises transmission or the receiver module of multichannel and multiple business video data.
2. the integrated streaming media service optical transmitter and receiver of one according to claim 1, it is characterized in that: described optical transmitter and receiver mainboard provides the electric driver circuit and physical interface that are connected with FPGA service card, described optical transmitter and receiver mainboard has SATA disk array memory interface, and described optical transmitter and receiver mainboard provides peripheral circuit for control unit.
3. the integrated streaming media service optical transmitter and receiver of one according to claim 1, is characterized in that: control unit is provided with CPU, coding and decoding video process chip and ethernet control chip collection.
4. the integrated streaming media service optical transmitter and receiver of one according to claim 1, is characterized in that: described FPGA business board also comprises: field programmable logic device FPGA, serioparallel exchange module, parallel serial conversion module, high-definition media interface HDMI, digital visual interface DVI, high-definition digital component serial interface HD-SDI and PCI-E data exchange interface.
5. the integrated streaming media service optical transmitter and receiver of one according to claim 1, is characterized in that: the fiber optical transceiver in described FPGA business board is connected with ONU or ONT of far-end by adopting the optical fiber of wave division multiplex mode transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520927324.XU CN205160704U (en) | 2015-11-19 | 2015-11-19 | Integration streaming media service optical transmitter and receiver |
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| CN201520927324.XU CN205160704U (en) | 2015-11-19 | 2015-11-19 | Integration streaming media service optical transmitter and receiver |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490971A (en) * | 2016-01-05 | 2016-04-13 | 武汉龙安集团有限责任公司 | Audio and video multi-user access exchange system based on high-speed optical bus |
| CN113033134A (en) * | 2021-03-18 | 2021-06-25 | 杭州加速科技有限公司 | Multi-service inter-board trigger signal synchronization system, synchronization method and semiconductor test equipment |
| CN113612935A (en) * | 2020-05-04 | 2021-11-05 | 深圳市微智体技术有限公司 | Video decoding server based on high-speed bus |
-
2015
- 2015-11-19 CN CN201520927324.XU patent/CN205160704U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490971A (en) * | 2016-01-05 | 2016-04-13 | 武汉龙安集团有限责任公司 | Audio and video multi-user access exchange system based on high-speed optical bus |
| CN113612935A (en) * | 2020-05-04 | 2021-11-05 | 深圳市微智体技术有限公司 | Video decoding server based on high-speed bus |
| CN113612935B (en) * | 2020-05-04 | 2024-02-27 | 深圳市微智体技术有限公司 | Video decoding server based on high-speed bus |
| CN113033134A (en) * | 2021-03-18 | 2021-06-25 | 杭州加速科技有限公司 | Multi-service inter-board trigger signal synchronization system, synchronization method and semiconductor test equipment |
| CN113033134B (en) * | 2021-03-18 | 2021-10-22 | 杭州加速科技有限公司 | Trigger signal synchronization system between multi-service boards |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20171119 |