CN112150791A - Central control small plate and video coding system - Google Patents
Central control small plate and video coding systemDownload PDFInfo
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- CN112150791A CN112150791ACN202011017859.5ACN202011017859ACN112150791ACN 112150791 ACN112150791 ACN 112150791ACN 202011017859 ACN202011017859 ACN 202011017859ACN 112150791 ACN112150791 ACN 112150791A
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- 238000001514detection methodMethods0.000claimsdescription9
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- 238000007906compressionMethods0.000claimsdescription4
- 230000005236sound signalEffects0.000claimsdescription4
- 230000007547defectEffects0.000abstractdescription6
- 230000006870functionEffects0.000description18
- 238000000034methodMethods0.000description8
- 238000010586diagramMethods0.000description4
- 238000002955isolationMethods0.000description4
- 238000005516engineering processMethods0.000description3
- 230000003287optical effectEffects0.000description3
- 238000012545processingMethods0.000description3
- 238000004891communicationMethods0.000description2
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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Abstract
Description
Technical Field
The application relates to the technical field of video processing, in particular to a central control panel and a video coding system.
Background
With the continuous development of the audio and video industry technology and the maturity of the IP coding technology, the cost of the low-delay coding technology is gradually reduced, and the IP coder is widely applied to the related field of video processing.
In the process of using the IP encoder, infrared control, remote control functions and the like are often needed, and most of the functions are implemented by additional central control equipment in the prior art, however, the implementation method has the defects of high cost, complex wiring and the like.
Disclosure of Invention
The application provides a well accuse platelet and video coding system, has solved current infrared control, remote control function etc. to the IP encoder and has realized through extra well accuse equipment, nevertheless there is the technical problem of defects such as with high costs and wiring complicacy in this implementation.
In view of the above, a first aspect of the present application provides a central control panel, including: the system comprises an MCU, a remote controller, a protocol extender, an infrared transceiver, an RS485 transceiver, an RS232 transceiver and a first central control interface;
the remote controller, the protocol extender, the infrared transceiver, the RS485 transceiver and the RS232 transceiver are all connected with the MCU;
the infrared transceiver is used for receiving or transmitting infrared signals;
the RS485 transceiver is used for receiving or transmitting an RS485 signal;
the RS232 transceiver is used for receiving or transmitting RS232 signals;
the protocol expander is used for expanding a preset protocol under the control of the MCU;
the remote controller is used for remotely controlling equipment connected with the infrared transceiver;
the first central control interface is correspondingly matched and connected with the second central control interface of the IP encoder and used for integrating the central control small board on the IP encoder.
Alternatively,
and the extension interface corresponding to the protocol extender is an isolation interface.
Alternatively,
the preset protocol comprises the following steps: IIC protocol, single bus protocol, SPI simplex protocol, and UART protocol.
A second aspect of the present application provides a video encoding system comprising: an IP encoder and a central control platelet as described in the first aspect;
and the second central control interface of the IP encoder is connected with the first central control interface of the central control small plate.
Alternatively,
the IP encoder includes: the system comprises an expansion module, a switching module and a plurality of coding modules;
the extension module is used for dividing the video signal collected by the information source interface of the IP encoder into a plurality of sub video signals;
the coding module is used for coding the sub-video signal according to a preset coding mode corresponding to the coding module to obtain Ethernet data;
and the switching module is used for outputting the Ethernet data to an output panel.
Alternatively,
the number of the coding modules is two;
the number of the sub video signals is two.
Alternatively,
the preset coding modes corresponding to the two coding modules are respectively as follows: network compression coding and network lossless coding.
Alternatively,
the signal source interface is further used for collecting audio signals, USB signals and central control signals received through the second central control interface.
Alternatively,
the IP encoder further comprises: a detection module;
the detection module is used for detecting the video signal so as to judge whether the video signal is a normal signal.
Alternatively,
the switching module is specifically a gigabit switch.
According to the technical scheme, the embodiment of the application has the following advantages:
the central control platelet in this application includes: the system comprises an MCU, a remote controller, a protocol extender, an infrared transceiver, an RS485 transceiver, an RS232 transceiver and a first central control interface; the remote controller, the protocol extender, the infrared transceiver, the RS485 transceiver and the RS232 transceiver are all connected with the MCU; the infrared transceiver is used for receiving or transmitting infrared signals; the RS485 transceiver is used for receiving or transmitting an RS485 signal; the RS232 transceiver is used for receiving or transmitting RS232 signals; the protocol expander is used for expanding the preset protocol under the control of the MCU; the remote controller is used for remotely controlling equipment connected with the infrared transceiver; the first central control interface is correspondingly matched and connected with the second central control interface of the IP encoder and used for integrating the central control small plate on the IP encoder. The well accuse platelet in this application can realize the remote control function through remote control ware, realize the infrared control function through infrared transceiver, realize the receiving and dispatching of RS485 signal through the RS485 transceiver, realize the receiving and dispatching of RS232 signal through the RS232 transceiver, realize corresponding protocol extension through the protocol extender, and to the well accuse platelet that realizes above-mentioned function, well accuse platelet in this application is attached with the ware on the IP encoder box, do not need extra purchase, it is convenient nimble, also need not extra line connection etc. thereby solved current infrared control to the IP encoder, the remote control function etc. is realized through extra well accuse equipment, however this implementation has the technical problem of defects such as with high costs and wiring complicacy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of a central control panel provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an embodiment of a video coding system according to the present application.
Detailed Description
The embodiment of the application provides a central control panel and a video coding system, and solves the technical problems that the existing infrared control and remote control functions of an IP encoder are realized through additional central control equipment, but the realization mode has the defects of high cost, complex wiring and the like.
In order to make the technical solutions of the present application better understood, the technical solutions of the present application will be clearly and completely described below with reference to the drawings in the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a central control panel provided in the present application.
The central control panel in this embodiment includes: the system comprises an MCU, a remote controller, a protocol extender, an infrared transceiver, an RS485 transceiver, an RS232 transceiver and a first central control interface; the remote controller, the protocol extender, the infrared transceiver, the RS485 transceiver and the RS232 transceiver are all connected with the MCU; the infrared transceiver is used for receiving or transmitting infrared signals; the RS485 transceiver is used for receiving or transmitting an RS485 signal; the RS232 transceiver is used for receiving or transmitting RS232 signals; the protocol expander is used for expanding the preset protocol under the control of the MCU; the remote controller is used for remotely controlling equipment connected with the infrared transceiver; the first central control interface is correspondingly matched and connected with the second central control interface of the IP encoder and used for integrating the central control small plate on the IP encoder.
It can be understood that, the central control platelet in this embodiment is connected to the IP encoder through a first central control interface, the central control platelet has infrared receiving and transmitting functions, can be remotely controlled, also can remotely control other infrared devices, has a set of dry contact interfaces, can be used for functions such as remote on-off information source devices, has an RS485 transceiver and an RS232 transceiver, can satisfy diversified communication requirements and meet the existing commonly used central control device communication protocols, and the central control platelet further includes a protocol extender, and can perform various protocol extensions such as IIC, a single bus, an SPI simplex, UART and the like through upper computer training, thereby satisfying diversified customization requirements of users.
The extension interface corresponding to the protocol extender in this embodiment is an isolation interface. The interfaces corresponding to the other corresponding transceivers are also isolation interfaces, so that when the user equipment is poorly isolated from the power grid, the IP encoder can be well protected, and the method is safe and reliable. It will be appreciated that the isolation interface, i.e. the interface is physically isolated from the internal circuitry, which is well protected.
The well accuse platelet in this embodiment can realize the remote control function through remote control ware, realize the infrared control function through infrared transceiver, realize the receiving and dispatching of RS485 signal through the RS485 transceiver, realize the receiving and dispatching of RS232 signal through the RS232 transceiver, realize corresponding protocol extension through the protocol extender, and to the well accuse platelet that realizes above-mentioned function, well accuse platelet in this application is attached with the ware on the IP encoder box, do not need extra purchase, it is convenient nimble, also need not extra line connection etc. thereby solved current infrared control to the IP encoder, the remote control function etc. is realized through extra well accuse equipment, however this implementation has the technical problem of defects such as with high costs and wiring complicacy.
The above is a description of an implementation of a central control panel provided in the embodiments of the present application. Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a video coding system according to the present application.
The video encoding system in the present embodiment includes: an IP encoder and a central control platelet as in the first aspect; the second central control interface of the IP encoder is connected with the first central control interface of the central control platelet.
Further, the IP encoder in the present embodiment includes: the system comprises an expansion module, a switching module and a plurality of coding modules; the extension module is used for dividing the video signal collected by the information source interface of the IP encoder into a plurality of sub video signals; the coding module is used for coding the sub-video signal according to the preset coding mode corresponding to the coding module to obtain Ethernet data; and the switching module is used for outputting the Ethernet data to the output panel.
Further, the number of the encoding modules is two; the number of sub video signals is two.
It can be understood that the preset encoding modes corresponding to the two encoding modules are respectively as follows: network compression coding and network lossless coding.
Specifically, the source interface in this embodiment is further configured to collect an audio signal, a USB signal, and a central control signal received via the second central control interface.
Further, the IP encoder in this embodiment further includes: a detection module; and the detection module is used for detecting the video signal so as to judge whether the video signal is a normal signal.
It can be understood that, for the detection of the video signal, a standard video signal may be preset in the detection module, and after receiving a new video signal, by comparing the similarity of the signal strength, the feature, and the like of the standard video signal and the new video signal, when the similarity of the two or the difference between the two is small, the new video signal is considered as a normal signal.
Further, the switch module is specifically a gigabit switch.
The function that the IP encoder in this application realized is gather information source signal, audio signal, USB signal, well accuse signal, then converts into ethernet data through the coding module code, sends away through RJ45 ethernet port. The IP encoder also comprises a detection module for detecting whether the acquired video signal is normal and displayed locally.
The IP encoder divides a video signal acquired by a signal source interface into two video stream channels through an expansion module, and compression encoding is respectively carried out on the two different encoding modules. The two coding modules are mainly characterized in that the coding time delay is different. The two different coding modules are compressed and coded in different coding modes to be respectively converted into Ethernet data, the Ethernet data are sent into the switching module, and then the Ethernet data are connected to two RJ45 interfaces of the output panel through the switching module.
The Ethernet output panel interface of the IP encoder also supports the output of two SFP optical ports, and the two optical ports and the two RJ45 interfaces can be completely switched through a switching module. Two different coding schemes are adopted, so that the acquisition and processing capacity of the system video stream can be increased, different channels can be flexibly selected or channel backup can be carried out, and the application reliability is ensured. The second central control interface can receive and send infrared signals, serial ports RS232 signals and RS485 signals and control the on and off of an information source.
In the embodiment, a central control interface is reserved through the IP encoder, and the central control small plate of a multifunctional interface is superposed on the central control interface, so that functions of infrared receiving and transmitting, remote on-off of information source equipment, RS232 and RS485, protocol expansion and the like can be realized. The function that needs just can be realized to one set of expensive well accuse equipment originally can be realized through the well accuse platelet of multi-functional interface, attaches at IP encoder random ware, does not need extra purchase, and the various functions of interface are expanded in the random attached host computer software training of accessible, and is convenient nimble, satisfies the requirement of existing user low price and high quality.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The technical solution of the present application, or a part or all or part of the technical solution that contributes to the prior art, may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A central control platelet, comprising: the system comprises an MCU, a remote controller, a protocol extender, an infrared transceiver, an RS485 transceiver, an RS232 transceiver and a first central control interface;
the remote controller, the protocol extender, the infrared transceiver, the RS485 transceiver and the RS232 transceiver are all connected with the MCU;
the infrared transceiver is used for receiving or transmitting infrared signals;
the RS485 transceiver is used for receiving or transmitting an RS485 signal;
the RS232 transceiver is used for receiving or transmitting RS232 signals;
the protocol expander is used for expanding a preset protocol under the control of the MCU;
the remote controller is used for remotely controlling equipment connected with the infrared transceiver;
the first central control interface is correspondingly matched and connected with the second central control interface of the IP encoder and used for integrating the central control small board on the IP encoder.
2. The midplane of claim 1, wherein the extension interface to which the protocol extender corresponds is an isolated interface.
3. The central control platelet according to claim 1, wherein the preset protocol comprises: IIC protocol, single bus protocol, SPI simplex protocol, and UART protocol.
4. A video coding system, comprising: an IP encoder and a central control platelet as claimed in any one of claims 1 to 3;
and the second central control interface of the IP encoder is connected with the first central control interface of the central control small plate.
5. The video coding system of claim 4, wherein the IP encoder comprises: the system comprises an expansion module, a switching module and a plurality of coding modules;
the extension module is used for dividing the video signal collected by the information source interface of the IP encoder into a plurality of sub video signals;
the coding module is used for coding the sub-video signal according to a preset coding mode corresponding to the coding module to obtain Ethernet data;
and the switching module is used for outputting the Ethernet data to an output panel.
6. The video coding system of claim 5, wherein the number of coding modules is two;
the number of the sub video signals is two.
7. The video coding system of claim 6, wherein the preset coding modes corresponding to the two coding modules are respectively: network compression coding and network lossless coding.
8. The video coding system of claim 5, wherein the source interface is further configured to capture an audio signal, a USB signal, and a central control signal received via the second central control interface.
9. The video coding system of claim 5, wherein the IP encoder further comprises: a detection module;
the detection module is used for detecting the video signal so as to judge whether the video signal is a normal signal.
10. Video coding system according to claim 5, characterized in that the switching module is in particular a gigabit switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017859.5ACN112150791A (en) | 2020-09-24 | 2020-09-24 | Central control small plate and video coding system |
| PCT/CN2020/141439WO2022062257A1 (en) | 2020-09-24 | 2020-12-30 | Small central control board and video coding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011017859.5ACN112150791A (en) | 2020-09-24 | 2020-09-24 | Central control small plate and video coding system |
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| CN112150791Atrue CN112150791A (en) | 2020-12-29 |
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| CN202011017859.5APendingCN112150791A (en) | 2020-09-24 | 2020-09-24 | Central control small plate and video coding system |
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| CN (1) | CN112150791A (en) |
| WO (1) | WO2022062257A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062257A1 (en)* | 2020-09-24 | 2022-03-31 | 威创集团股份有限公司 | Small central control board and video coding system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115942579A (en)* | 2022-12-30 | 2023-04-07 | 广州腾龙健康实业股份有限公司 | An infrared coding wireless lighting system |
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- 2020-09-24CNCN202011017859.5Apatent/CN112150791A/enactivePending
- 2020-12-30WOPCT/CN2020/141439patent/WO2022062257A1/ennot_activeCeased
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| WO2022062257A1 (en) | 2022-03-31 |
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