CN117638594A - Board card, video interface selection method and card-inserting video processing equipment - Google Patents
Board card, video interface selection method and card-inserting video processing equipment Download PDFInfo
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- 238000010187 selection method Methods 0.000 title abstract description 5
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Abstract
The application discloses a board card, a selection method of a video interface and card inserting video processing equipment. Wherein, this integrated circuit board includes: the multi-layer single board comprises a plurality of layers of single boards, a video interface group, video interface transceiver chips and a processor, wherein the video interface group comprises a plurality of types of video interfaces for receiving different types of video source signals, the video interfaces are respectively connected with the corresponding video interface transceiver chips and are used for transmitting the received video source signals to the video interface transceiver chips, the video interfaces are arranged in the plurality of layers of single boards, and each layer of single board in the plurality of layers of single boards is provided with at least one type of video interface; and the video interface transceiver chip is connected with the processor and used for sending the video source signal to the processor. The video interface in the list Zhang Banka among the prior art has been solved to this application adopts the individual layer mode of arranging, and the technical problem that usable video interface kind is few.
Description
Technical Field
The application relates to the field of video interface schemes, in particular to a board card, a video interface selection method and card inserting video processing equipment.
Background
Video switching application scenarios are increasingly in demand for device interface diversification and high resolution. In a large application scene, in the face of different types of front-end equipment and a large number of interfaces with large requirements, one equipment is required to be capable of bearing transmission tasks of multiple interfaces, the complexity of environment construction is reduced, the number of intermediate processing equipment is reduced, and the risk of application environment is reduced.
Most of video interfaces of common card-inserting equipment adopt a single-layer arrangement mode, a single Zhang Banka is generally provided with the same type of video interfaces or two types of video interfaces for connecting input/output of video sources, and a common single board card supports 4 video interfaces, so that the number of the video interfaces is small.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the application provides a board card, a video interface selection method and card inserting video processing equipment, which at least solve the technical problems that the video interfaces in a single Zhang Banka in the prior art adopt a single-layer arrangement mode and the available video interfaces are few in variety.
According to an aspect of the embodiments of the present application, there is provided a board card, including: the multi-layer single board comprises a plurality of layers of single boards, a video interface group, video interface transceiver chips and a processor, wherein the video interface group comprises a plurality of types of video interfaces for receiving different types of video source signals, the video interfaces are respectively connected with the corresponding video interface transceiver chips and are used for transmitting the received video source signals to the video interface transceiver chips, the video interfaces are arranged in the plurality of layers of single boards, and each layer of single board in the plurality of layers of single boards is provided with at least one type of video interface; and the video interface transceiver chip is connected with the processor and used for sending the video source signal to the processor.
Optionally, the multi-layer board comprises a first layer board and a second layer board, the first type video interface and the second type video interface in the video interface group are arranged on the first layer board, and the third type video interface in the video interface group is arranged on the second layer board.
Optionally, the board card further includes a first connector for connecting the first layer board and the second layer board, where the second layer board is located above the first layer board.
Optionally, two fixing holes for installing and fixing copper columns are formed in the first layer of single board and the second layer of single board, and are used for fixing the first layer of single board and the second layer of single board on the board card.
Optionally, the number of each type of video interface on the first layer board is an even number.
Optionally, the number of the third type of video interfaces is 4, and the second layer of single board where the third type of video interfaces is located is detachable.
Optionally, the first type of video interface is an HDMI interface, the second type of video interface is a DP interface, and the third type of video interface is an SDI interface.
Optionally, the board card further includes: and the second connector is used for fixing each video interface in the video interface group on the board card, and a fixing hole is arranged in the second connector and used for fixing each video interface.
Optionally, the board card further comprises a communication bus, wherein the communication bus is used for connecting the processor and the upper computer, and transmitting a target instruction sent by the upper computer to the processor, wherein the target instruction is used for opening or closing the video interface.
According to another aspect of the embodiments of the present application, there is also provided a method for selecting a video interface, including: receiving a target instruction sent by an upper computer, wherein the target instruction is used for opening or closing multiple types of video interfaces in a video interface group, which are used for receiving different types of video source signals, the multiple types of video interfaces are respectively connected with corresponding video interface transceiver chips and are used for transmitting the received video source signals to the video interface transceiver chips, the multiple types of video interfaces are arranged in multiple layers of single boards, and at least one type of video interface is arranged on each layer of single board in the multiple layers of single boards; and responding to the target instruction, and executing the opening or closing operation on the video interface at the corresponding position in the board.
According to still another aspect of the embodiment of the present application, there is further provided a card-inserting video processing device, where the card-inserting video processing device includes an input module, an output module, a control module, and a processing module, where the input module, the output module, and the control module are respectively connected with the processing module; the output module and/or the input module comprises one or more of the above-described boards.
In the embodiment of the application, the mode of arranging the video interfaces by adopting the multi-layer single boards is adopted, the multi-type video interfaces for receiving different types of video source signals are integrated in the board card, the multi-type video interfaces are respectively connected with the corresponding video interface transceiver chips, the multi-type video interfaces are arranged in the multi-layer single boards, at least one type of video interfaces are arranged on each layer of single boards in the multi-layer single boards, the purpose of integrating the multi-type video interfaces in the board card is achieved, the technical effect of the requirement on the multi-type video interfaces in a complex application environment is achieved, and the technical problem that the single-layer arrangement mode is adopted for the video interfaces in a single Zhang Banka in the prior art, and the number of usable video interfaces is small is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic illustration of a single layer arrangement of video interfaces of a conventional card-insertion-type device according to the prior art;
FIG. 2 is a block diagram of a board card according to an embodiment of the present application;
FIG. 3a is a top view of a board according to an embodiment of the present application;
FIG. 3b is a schematic plan view of an alternative arrangement of video interfaces on a board card according to an embodiment of the present application;
fig. 3c is a connection structure diagram of an alternative video interface on a board card according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented 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.
First, partial terms appearing in the process of describing the embodiments of the present application are applicable to the following explanation:
HDMI: high Definition Multimedia Interface the high-definition multimedia interface is a fully digital video and audio transmission interface, and can transmit uncompressed audio and video signals. HDMI can be used for set top boxes, DVD players, personal computers, televisions, game consoles, combination expansion machines, digital audio and television sets, and other devices. HDMI can send audio frequency and video signal simultaneously, because audio frequency and video signal adopt same wire rod, simplify the installation degree of difficulty of system's circuit greatly.
DP: displayPort, a digital video interface standard standardized by the Video Electronics Standards Association (VESA), developed by the PC and chip manufacturers association. The interface is free of authentication and authorization, is mainly used for connecting a video source with devices such as a display and the like, and also supports carrying audio, USB and other forms of data. The interface is designed to replace the traditional VGA, DVI and FPD-Link (LVDS) interfaces. The interface is backward compatible with legacy interfaces (e.g., HDMI and DVI) through active or passive adapters.
SDI: serial Digital Interface, digital component serial interface.
Serdes: the method is abbreviated as English SERializer/DESerializer, and is a mainstream serial communication technology of Time Division Multiplexing (TDM) and point-to-point (P2P). The multi-path low-speed parallel signals are converted into high-speed serial signals at the transmitting end, and finally the high-speed serial signals are converted into low-speed parallel signals at the receiving end through a transmission medium (an optical cable or a copper wire). The point-to-point serial communication technology fully utilizes the channel capacity of a transmission medium, reduces the number of required transmission channels and device pins, and improves the transmission speed of signals, thereby greatly reducing the communication cost.
As the video interfaces of the common card-inserting devices mostly adopt a single-layer arrangement mode as shown in fig. 1, a single Zhang Banka is generally provided with the same type of video interfaces or two types of video interfaces for connecting the input/output of a video source, and the number of the video interfaces is small because a common single board card supports 4 video interfaces. In order to solve the above problems, the present application provides corresponding solutions, which are described in detail below.
Fig. 2 is a structural diagram of a board according to an embodiment of the present application, and as shown in fig. 2, the board 2000 includes:
the multi-layer single board comprises a first layer single board 2001 and a second layer single board 2002, the video interface group comprises a plurality of types of video interfaces for receiving different types of video source signals, the multi-layer single board comprises a first type video interface 2005, a second type video interface 2006 and a third type video interface 2007, the plurality of types of video interfaces are respectively connected with the corresponding video interface transceiver chips, namely the video interface transceiver chips at least comprise three types, the first type video interface transceiver chip, the second type video interface transceiver chip and the third type video interface transceiver chip, the plurality of types of video interfaces are used for transmitting the received video source signals to the video interface transceiver chips, the plurality of types of video interfaces are respectively arranged in the multi-layer single board, at least one type of video interfaces are respectively arranged on each layer single board in the multi-layer single board, in the embodiment of the application, the first type video interface and the second type video interface in the video interface group are respectively arranged on the first layer single board, and the third type video interface in the video interface group are arranged on the second layer single board; and the video interface transceiver chip is connected with the processor and used for sending the video source signal to the processor.
In an optional embodiment of the present application, for example, a plan view of an optional video interface arrangement manner on a board shown in fig. 3b is shown, in fig. 3b, the first type of video interface may be an HDMI video interface, the second type of video interface may be a DP video interface, the third type of video interface may be an SDI video interface, for example, a 12G-SDI video interface, there are 4 video interfaces of each type, the total number of video interfaces of a single board is up to 12, and each video interface in the board supports receiving or transmitting a high-definition video source of 4K or more.
In the embodiment of the present application, the number of interfaces is generally set based on the following two points: 1. in the case of high resolution, the video interface will select an even-numbered version because of the use of video image backup; 2. some scenes require a picture splicing process, for example, the device inputs an 8K picture, and 4K interfaces are used for output, so that 4 identical video interfaces are required to complete the process, and input splicing is also a similar operation.
In the schematic diagram shown in fig. 3c, a video source signal received by a first type of video interface (e.g., HDMI video interface) is transmitted to a first type of video interface transceiver chip, and the first type of video interface transceiver parses the received video source signal into an LVDS signal mode and sends the LVDS signal mode to a processor, and the processor further processes the HDMI video signal; the video source signals received by the second type video interface (such as a DP video interface) are transmitted to a second type video interface transceiver chip, the second type video interface transceiver chip retransmits the received DP signals, modulates the signal quality and then transmits the data to a processor, and the processor further processes the DP video signals; video source signals received by a third type of video interface (such as an SDI video interface) are transmitted to a third type of video interface transceiver chip, and the third type of video interface transceiver chip performs EQ (equalizer) adjustment and signal processing on the received 12G-SDI signals, converts the 12G-SDI data into Serdes data recognizable by a processor, and further processes the 12G-SDI video signals by the processor.
Optionally, the board card further includes a first connector 2008 for connecting the first layer board and the second layer board, where the second layer board is located above the first layer board.
In this embodiment of the present application, for example, the board card including 12 video interfaces shown in fig. 3b, because the width of the board card is limited, the 12 video interfaces cannot be placed on the same horizontal plane in the design layout, so when the board card includes a plurality of video interfaces, a multi-layer board layout mode may be adopted, taking the 12 video interfaces in fig. 3b as an example, 4 first type video interfaces (such as HDMI video interfaces) and 4 second type video interfaces (such as DP video interfaces) are placed on a bottom board, that is, the first layer board, and 4 third type video interfaces (such as SDI video interfaces) are individually placed on a two-layer board, that is, the second layer board, and the two-layer board is abutted by adopting a high-speed board-to-board connector, for example, the above-mentioned first connector is used, and the board connector may connect power and signals between boards to complete all connections, and at the same time, the design process of the circuit board may be simplified.
Optionally, two fixing holes for installing and fixing copper columns 2009 are formed in the first layer of single board and the second layer of single board, and the fixing copper columns are used for fixing the first layer of single board and the second layer of single board on the board card, so that the connection stability of the first layer of single board and the second layer of single board with the board card is ensured.
Optionally, the board card further includes: the second connector 2010 is used for fixing each video interface in the video interface group on the board card, and a fixing hole is formed in the second connector and used for fixing each video interface, so that the lap joint problem of the video interface connector is better solved while the structural stability and strength are ensured, and the video interface obtains better ESD protection performance.
Optionally, the board card further comprises a communication bus, wherein the communication bus is used for connecting the processor and the upper computer, and transmitting a target instruction sent by the upper computer to the processor, wherein the target instruction is used for opening or closing the video interface.
In the embodiment of the present application, in actual use, the number of each video interface and the positions of the video interfaces used for wiring need to be determined according to the requirements of the actual video interfaces, the video interfaces at the corresponding positions are selected to be effective through software in the upper computer, for example, in the schematic diagram shown in fig. 3b, if 8 video interfaces, such as three HDMI video interfaces, three DP video interfaces and two 12G-SDI video interfaces, need to be selected from 12 video interfaces in the board card according to the actual application scenario, the video interfaces at the corresponding positions are selected to be effective in the software, a target instruction is generated, the target command is sent to the processor through the communication bus, and the processor executes corresponding actions according to the target instruction, so that the operation of selecting 12 to 8 can be achieved.
Optionally, the number of the third type of video interfaces is 4, the second layer of single boards where the third type of video interfaces are located is detachable, the second layer of single boards where the third type of video interfaces are located is presented in the form of a daughter card, in a scene needing to be used, the second layer of single boards can be assembled for use, and in a process needing not to be used, the second layer of single boards can not be assembled.
Optionally, each video interface in the video interface group is a video interface supporting a high-definition video source signal, and the resolution of the high-definition video source signal may be 4K, for example.
In the embodiment of the application, the total carrying capacity of the board card is 8 x 4k at most, and a plurality of video interfaces can be supported to simultaneously transmit video source signals.
When a single board card in the related art needs to support a 4K-level input/output video source, only one video interface can be effective at the same time, so that the number of available video interfaces of the board card is reduced when the 4K-level video source is used.
In order to solve the problem that the number of video interfaces which can take effect at the same time is reduced by times when the video interfaces are adjusted to the highest resolution, in the embodiment of the invention, each video interface on the board card supports a high-definition video source signal, and a plurality of video interfaces can transmit the high-definition video source signal at the same time, so that the requirement for the number of the high-resolution video interfaces is met. For example, when the total carrying capacity of a single board is 8 x 4K, each video interface supports receiving or sending a video source of 4K level, in the schematic diagram shown in fig. 3b, at most 8 video interfaces can be supported to be effective simultaneously, in the operation of selecting 8 by 12, the number of each video interface and which video interface is selected are not fixed, and can be selected by arbitrary collocation according to actual requirements, so long as matching between the port position actually used for wiring and the gating port position of the upper computer is ensured, and the effective interfaces required by the single board are not higher than 8.
Optionally, the number of each type of video interface on the first layer board is an even number. In the embodiment of the present application, in order to better solve the requirement for multiple interfaces in a complex application environment, the number of each type of video interfaces on each layer of single boards in the multi-layer single board is set to be an even number, for example, the number of each type of video interfaces can be an even number of interfaces such as 6, 8, 10, 12, etc., in addition, according to a general use situation, the number of each type of video interfaces in the board card can be set to be 4 at most, and it should be noted that the number of each type of video interfaces in the board card can be set according to actual needs, for example, the number of each video interface is set to be more than 4, which is not limited herein.
Through the steps, the mode of arranging the video interfaces by the multi-layer single boards is adopted, the multi-type video interfaces for receiving different types of video source signals are integrated in the board card, the multi-type video interfaces are respectively connected with the corresponding video interface transceiver chips, the multi-type video interfaces are respectively arranged in the multi-layer single boards, at least one type of video interface is arranged on each layer of single boards in the multi-layer single boards, the purpose of integrating the multi-type video interfaces in the board card is achieved, the technical effect of the requirement on the multi-type video interfaces in a complex application environment is achieved, the technical problem that the video interfaces in a single Zhang Banka in the prior art are arranged in a single-layer mode and the available video interfaces are few in types is solved, the complexity of on-site construction can be reduced when the multi-interface complex multi-interface application scene is matched with a plurality of devices, and various problems introduced can be reduced.
It should be noted that, the above board card may be, for example, a video input card or a video output card, but is not limited thereto, and the above description of the board card is mainly described from the perspective of the input side, and when the board card is used as the video output card, the difference between the board card and the video input card is only the difference between the board card and the video input card, and is not repeated herein.
The embodiment of the application also provides a method for selecting the video interface, which specifically comprises the following steps: receiving a target instruction sent by an upper computer, wherein the target instruction is used for opening or closing multiple types of video interfaces in a video interface group, which are used for receiving different types of video source signals, the multiple types of video interfaces are respectively connected with corresponding video interface transceiver chips and are used for transmitting the received video source signals to the video interface transceiver chips, the multiple types of video interfaces are respectively arranged in multiple layers of single boards, and each layer of single boards in the multiple layers of single boards is provided with at least one type of video interface; and responding to the target instruction, and executing the opening or closing operation on the video interface at the corresponding position in the board.
It should be noted that the above method for selecting a video interface may be applied to the board card shown in fig. 2, so the above explanation about the board card is also applicable to the method for selecting a video interface, which is not repeated herein.
The embodiment of the application also provides a card-inserting video processing device, which comprises an input module, an output module, a control module and a processing module, wherein the input module, the output module and the control module are respectively connected with the processing module; the output module and/or the input module includes one or more boards shown in fig. 2, so that the explanation of the boards is also applicable to the card-inserting video processing device, and will not be repeated herein.
The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application and are intended to be comprehended within the scope of the present application.
Claims (11)
1. A board card, comprising: a multi-layer veneer, a video interface group, a video interface transceiver chip and a processor, wherein,
the video interface group comprises multiple types of video interfaces for receiving different types of video source signals, the multiple types of video interfaces are respectively connected with corresponding video interface transceiver chips and used for transmitting the received video source signals to the video interface transceiver chips, the multiple types of video interfaces are arranged in the multi-layer single boards, and at least one type of video interface is arranged on each layer of single board in the multi-layer single boards;
the video interface transceiver chip is connected with the processor and used for sending the video source signal to the processor.
2. The board card of claim 1, wherein the multi-layer board comprises a first layer board and a second layer board, wherein the first type of video interface and the second type of video interface in the video interface group are disposed on the first layer board, and wherein the third type of video interface in the video interface group is disposed on the second layer board.
3. The board card of claim 2, further comprising a first connector for connecting the first layer board and the second layer board, wherein the second layer board is located above the first layer board.
4. The board card of claim 2, wherein two fixing holes for installing and fixing copper columns are formed in the first layer of single boards and the second layer of single boards, and the fixing holes are used for fixing the first layer of single boards and the second layer of single boards on the board card.
5. The board card of claim 2, wherein the number of video interfaces of each type on the first layer board is an even number.
6. The board card of claim 2, wherein the number of the third type of video interfaces is 4, and the second layer of the single board where the third type of video interfaces is located is detachable.
7. The board card of any of claims 1 to 6, wherein the first type of video interface is an HDMI interface, the second type of video interface is a DP interface, and the third type of video interface is an SDI interface.
8. The board card of claim 1, wherein the board card further comprises: the second connector is used for fixing each video interface in the video interface group on the board, and a fixing hole is formed in the second connector and used for fixing each video interface.
9. The board of claim 1, further comprising a communication bus for connecting the processor and an upper computer, and transmitting a target instruction sent by the upper computer to the processor, wherein the target instruction is used for opening or closing the video interface.
10. A method for selecting a video interface, comprising:
receiving a target instruction sent by an upper computer, wherein the target instruction is used for opening or closing multiple types of video interfaces in a video interface group, which are used for receiving different types of video source signals, the multiple types of video interfaces are respectively connected with corresponding video interface transceiver chips and are used for transmitting the received video source signals to the video interface transceiver chips, the multiple types of video interfaces are arranged in multiple layers of single boards, and each layer of single board in the multiple layers of single boards is provided with at least one type of video interface;
and responding to the target instruction, and executing the opening or closing operation on the video interface at the corresponding position in the board.
11. The card-inserting video processing equipment is characterized by comprising an input module, an output module, a control module and a processing module, wherein the input module, the output module and the control module are respectively connected with the processing module; the output module and/or the input module comprises one or more board cards according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968658.6A CN117638594A (en) | 2022-08-12 | 2022-08-12 | Board card, video interface selection method and card-inserting video processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968658.6A CN117638594A (en) | 2022-08-12 | 2022-08-12 | Board card, video interface selection method and card-inserting video processing equipment |
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| Publication Number | Publication Date |
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| CN117638594A true CN117638594A (en) | 2024-03-01 |
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| CN202210968658.6A Pending CN117638594A (en) | 2022-08-12 | 2022-08-12 | Board card, video interface selection method and card-inserting video processing equipment |
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| Country | Link |
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| CN (1) | CN117638594A (en) |
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- 2022-08-12 CN CN202210968658.6A patent/CN117638594A/en active Pending
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