CN215072733U

CN215072733U - Decoding apparatus and distributed system

Info

Publication number: CN215072733U
Application number: CN202121112952.4U
Authority: CN
Inventors: 王磊; 李强国; 周晶晶
Original assignee: Xian Novastar Electronic Technology Co Ltd
Current assignee: Xian Novastar Electronic Technology Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The embodiment of the utility model discloses decoding equipment and a distributed system, decoding equipment for example includes: the switch interface module receives initial video data input by a switch; the processing module is electrically connected with the switch interface module and is used for at least decoding the initial video data to obtain processed video data; the sending module is electrically connected with the processing module and used for carrying out format conversion on the processed video data to obtain converted video data, and the converted video data is data which can be identified by a display screen; and the display screen interface module is electrically connected with the sending module. The embodiment of the utility model discloses decoding equipment can the lighting that LED display screen was realized to lug connection LED display screen, avoids current decoder need connect the condition that the sending card just can realize that the LED display screen lights.

Description

Decoding apparatus and distributed system

Technical Field

The utility model relates to a distributed processing technology field especially relates to a decoding equipment and a distributed system.

Background

At present, in the field of LED display screens, distributed devices implement networking and distributed processing schemes through the transmission mode of an IP network. The application schemes of existing distributed devices such as decoders are generally: the switch receives the coded video signal input by the encoder and transmits the coded video signal to the decoder, the decoder decodes the coded video signal to obtain a decoded video signal, and then the decoded video signal is output to an external device such as a sending card through a video interface such as an HDMI (high-definition multimedia interface), a DVI (digital visual interface), a DP (data processing) interface or a VGA (video graphics array) interface, so that the external device lights the LED display screen based on the decoded video signal.

However, the existing decoder must be connected to an external device such as a sending card to light the LED display screen, which significantly increases the cost, and in addition, the decoder connected to the external device also increases the complexity of building the field environment and more abnormal risks, and in some cases, the decoder may not be compatible with the external device.

Therefore, it is just can realize the problem that the LED display screen was lighted that the decoder need connect external device among the prior art to provide one kind and to solve the technical problem that the utility model discloses urgent need to solve.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses decoding equipment and distributed system can solve the problem that the decoder need connect external equipment just can realize that the LED display screen lights among the prior art, and reduce cost reduces the complexity and more unusual risks that the site environment was set up.

The embodiment of the utility model discloses decoding equipment, include: the switch interface module receives initial video data input by a switch; the processing module is electrically connected with the switch interface module and at least decodes the initial video data to obtain processed video data; the sending module is electrically connected with the processing module and is used for carrying out format conversion on the processed video data to obtain converted video data, and the converted video data is data which can be identified by a display screen; the display screen interface module is electrically connected with the sending module; the switch interface module, the processing module, the sending module and the display screen interface module are arranged on the same circuit board.

The embodiment of the utility model discloses decoding equipment is through setting up processing module, sending module and display screen interface module, can solve the problem that the decoder need connect external equipment just can realize that the LED display screen lights among the prior correlation technique, the decoding equipment that this embodiment is disclosed promptly can the lug connection LED display screen, the cost is reduced, avoid decoder and external equipment incompatible problem among the prior correlation technique, can also reduce the complexity and more abnormal risks that the site environment was set up in addition.

In an embodiment of the present invention, the sending module includes: the processing chip is electrically connected with the processing module, the display screen interface module and the control chip; or the sending module comprises: the display screen interface module comprises a processing chip and a control chip, wherein the processing chip is electrically connected with the processing module, the display screen interface module and the control chip, and the control chip is also electrically connected with the processing module.

The processing chip and the control chip are arranged in the sending module, so that the sending module is electrically connected with the processing module and the display screen interface module, and the sending and processing functions of the video data are realized.

In an embodiment of the present invention, the processing chip includes a first data signal interface and a first on-board ethernet interface, the processing module includes a second data signal interface and a second on-board ethernet interface, the processing chip is electrically connected to the second data signal interface through the first data signal interface and electrically connected to the second on-board ethernet interface through the first on-board ethernet interface to form an electrical connection with the processing module, wherein the first data signal interface and the second data signal interface are both differential signal transmission interfaces or parallel signal transmission interfaces; and/or the control chip comprises a first serial port, the processing module comprises a second serial port, and the control chip is electrically connected with the second serial port through the first serial port to form electrical connection with the processing module.

The first data signal interface and the first on-board Ethernet interface are arranged in the processing chip, and the second data signal interface and the second on-board Ethernet interface are arranged in the processing module, so that the first data signal interface and the second data signal interface are electrically connected to realize transmission of video signals, the first on-board Ethernet interface and the second on-board Ethernet interface are electrically connected to realize transmission of control signals, and the transmission functions of video data and control signals of the processing chip and the processing module are realized; in addition, the first serial port is arranged in the control chip, the second serial port is arranged in the processing module, and the first serial port is electrically connected with the second serial port to transmit the control signal, so that the transmission function of the control signal between the control chip and the processing module is realized.

In an embodiment of the present invention, the processing module includes: possess the first integrated processing chip of processing and control, the sending module includes: the first integrated processing chip is electrically connected with the switch interface module and the second integrated processing chip; wherein, the first integrated processing chip includes: third data signal interface and first control signal interface, the second integrates the processing chip and includes: the first integrated processing chip is electrically connected with the fourth data signal interface through the third data signal interface, and the first control signal interface is electrically connected with the second control signal interface to form electric connection with the second integrated processing chip; the third data signal interface and the fourth data signal interface are both differential signal transmission interfaces or parallel signal transmission interfaces; the first control signal interface and the second control signal interface are both in-board Ethernet interfaces or serial ports.

The integrated processing chips are arranged in the processing module and the sending module, so that the integration level of the equipment can be improved, and the miniaturization of the equipment size is facilitated; the integrated processing chip is provided with a data signal interface and a control signal interface, so that the transmission functions of video data and control signals of the processing module and the sending module can be realized.

In an embodiment of the present invention, the decoding apparatus further includes: a first PHY chip electrically connected between the switch interface module and the processing module; the second PHY chip is electrically connected between the sending module and the display screen interface module; the switch interface module, the first PHY chip, the processing module, the transmitting module, the second PHY chip and the display screen interface module are arranged on the same circuit board.

In an embodiment of the present invention, the decoding apparatus further includes: a first PHY chip and a second PHY chip; the sending module comprises a processing chip and a control chip, the processing chip is electrically connected with the processing module, the display screen interface module and the control chip, and the control chip is also electrically connected with the processing module; the processing chip comprises a first data signal interface and a first on-board Ethernet interface, the control chip comprises a first serial port, the processing module comprises a second data signal interface, a second on-board Ethernet interface and a second serial port, the processing chip is electrically connected with the second data signal interface through the first data signal interface, and the first on-board Ethernet interface is electrically connected with the second on-board Ethernet interface to form electrical connection with the processing module; the control chip is electrically connected with the second serial port through the first serial port to form electrical connection with the processing module; the first PHY chip is connected between the switch interface module and the processing module, and the second PHY chip is connected between the processing chip and the display screen interface module.

In an embodiment of the present invention, the decoding apparatus further includes: a central control interface module; the central control processing module is electrically connected with the central control interface module and the processing module; the central control interface module and the central control processing module are arranged on the circuit board.

By arranging the central control interface and the central control processing module on the decoding equipment, the decoding equipment can support the central control function, the functions of the decoding equipment are expanded, and the use experience of a user is optimized.

In an embodiment of the present invention, the decoding apparatus further includes: an audio input interface module; the audio input processing module is electrically connected with the audio input interface module and the processing module; an audio output interface module; the audio output processing module is electrically connected with the audio output interface module and the processing module; the audio input interface module, the audio input processing module, the audio output interface module and the audio output processing module are all arranged on the circuit board.

By arranging the audio input interface, the audio output interface and the like on the decoding equipment, the decoding equipment can support the standard audio input interface and the standard audio output interface, the functions of the decoding equipment are expanded, and the use experience of a user is optimized.

The utility model discloses an in one embodiment, decoding device is applied to in the distributed system, the distributed system includes a plurality of coding device, a plurality of decoding device, switch and display screen, each in a plurality of coding device with the switch electricity is connected, and is a plurality of at least one electricity in the decoding device is connected the switch with the display screen.

Furthermore, an embodiment of the present invention discloses a distributed system, including: any one of the foregoing decoding devices; the switch is electrically connected with the switch interface module of the decoding equipment; and the display screen is electrically connected with the display screen interface module of the decoding equipment.

One or more of the above technical solutions may have the following advantages or beneficial effects: through set up processing module, sending module and display screen interface module in decoding equipment, can solve the problem that the decoder need connect external device just can realize that the LED display screen lights among the prior art, the decoding equipment that this embodiment is disclosed promptly can the lug connection LED display screen, and the cost is reduced avoids decoder and external device incompatible problem among the prior art, can also reduce the complexity and more abnormal risks of site environment set up in addition.

Other aspects and features of the present invention will become apparent from the following detailed description, which proceeds with reference to the accompanying drawings. It is to be understood, however, that the drawings are designed solely for purposes of illustration and not as a definition of the limits of the invention. It should be further understood that the drawings are not necessarily drawn to scale and that, unless otherwise indicated, they are merely intended to conceptually illustrate the structures and procedures described herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a decoding device according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a distributed system according to an embodiment of the present invention.

Fig. 11 is another schematic structural diagram of the distributed system according to an embodiment of the present invention.

Fig. 12 is a schematic diagram of a structure of an encoding device in the distributed system shown in fig. 11.

Fig. 13 is an application scenario diagram of a distributed system according to an embodiment of the present invention.

[ description of reference ]

100: a decoding device; 110: a switch interface module; 111: an Ethernet input interface; 113: an optical fiber input interface; 120: a first PHY chip; 130: a processing module; 140: a sending module; 150: a second PHY chip; 160: a display screen interface module; 161: an Ethernet output interface; 163: an optical fiber output interface; 170: an audio input interface; 180: an audio input processing module; 190: an audio output interface; 200: an audio output processing module; 210: a central control interface; 220: and a central control processing module.

400: a distributed system; 410: a switch; 430: a display screen; 450: an encoding device; 451: a first type of video input interface; 452: a second type video input interface; 453: a video input loop output interface; 454: a video processing switching module; 455: a coding processing module; 456: an audio input module; 457: an audio output module; 458: the switch inputs the connecting module; 459: a peripheral connection module; 460: and a central control module.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The invention will be described with reference to the accompanying drawings in conjunction with embodiments.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above 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 terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention 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.

It should be noted that the division of the embodiments in the present invention is only for convenience of description and should not be construed as a limitation, and features in various embodiments may be combined and referred to each other without contradiction.

Referring to fig. 1, one embodiment of the present invention discloses a decoding apparatus 100. As shown in fig. 1, the decoding apparatus 100 includes, for example: a circuit board (not shown in fig. 1), a switch interface module 110, a processing module 130, a sending module 140, and a display interface module 160.

Among other things, the switch interface module 110 receives initial video data input by the switch. The processing module 130 is electrically connected to the switch interface module 110, and at least decodes the initial video data to obtain processed video data. The sending module 140 is electrically connected to the processing module 130, and performs format conversion on the processed video data to obtain converted video data, where the converted video data is data identifiable to a display screen. The display interface module 160 is electrically connected to the transmission module 140. The switch interface module 110, the processing module 130, the sending module 140 and the display interface module 160 are disposed on the same circuit board.

By arranging the processing module 130, the sending module 140 and the display screen interface module 160 in the decoding device 100, the problem that the LED display screen can be lit only when the decoder needs to be connected to an external device in the prior art can be solved, that is, the decoding device 100 disclosed in this embodiment can be directly connected to the LED display screen, so that the cost is reduced, the problem that the decoder and the external device are incompatible in the prior art is avoided, and in addition, the complexity of building a field environment and more abnormal risks can be reduced.

Referring to fig. 2, an embodiment of the present invention discloses another structure of the decoding apparatus 100, and with respect to the decoding apparatus 100 shown in fig. 1, as shown in fig. 2, the decoding apparatus 100 further includes: a first PHY chip 120 and a second PHY chip 150.

The first PHY chip 120 is disposed on the circuit board and electrically connected between the switch interface module 110 and the processing module 130. The second PHY chip 150 is disposed on the circuit board and electrically connected between the transmission module 140 and the display interface module 160, and the switch interface module 110, the first PHY chip 120, the processing module 130, the transmission module 140, the second PHY chip 150, and the display interface module 160 are disposed on the same circuit board.

Specifically, the mentioned switch is, for example, an existing switch device such as an ethernet switch, a fiber switch, and the like, and the switch may be understood as a network device that can implement IP-based signal forwarding. The mentioned circuit board is, for example, a PCB circuit board, and further, the circuit board is, for example, a single PCB circuit board, that is, the switch interface module 110, the first PHY chip 120, the processing module 130, the transmitting module 140, the second PHY chip 150, and the display interface module 160 are all disposed on the same PCB circuit board. The initial video signal mentioned may be understood as an IP-based video stream input by the switch, i.e. a video stream signal having an IP address.

In one embodiment of the present invention, the switch interface module 110 contains an interface for establishing a connection with a switch. For example, as shown in fig. 9, the switch interface module 110 includes, for example, an ethernet input interface 111 and a fiber input interface 113, where the ethernet input interface 111 is, for example, an RJ45 interface, and the fiber input interface 113 is, for example, a 10G fiber interface or a 20G fiber interface. The ethernet input interface 111 and the optical fiber input interface 113 are simultaneously disposed in the encoding device 100, so as to implement a primary backup function. It should be noted that the present invention does not limit the switch interface module 110 to include the ethernet input interface 111 and the optical fiber input interface 113, in other embodiments of the present invention, the switch interface module 110 may also only include the ethernet input interface 111 or only include the optical fiber input interface 113. Furthermore, the present invention does not limit the number of the ethernet input interfaces 111 and the optical fiber input interfaces 113, which may be at least one.

In an embodiment of the present invention, the processing module 130 may be understood as a core module of the decoding device 100, which implements at least a decoding processing function for a signal input to the processing module 130, such as signal decoding supporting h.264 protocol and/or h.265 protocol. By way of example, the processing module 130 comprises, for example, a programmable logic device and a microcontroller electrically connected to the programmable logic device. In the decoding apparatus 100 shown in fig. 1, the programmable logic device electrically connects the switch interface module 110 and the transmission module 140; in the decoding apparatus 100 shown in fig. 2, the programmable logic device electrically connects the first PHY chip 120 and the transmission module 140. The programmable logic device and the microcontroller are matched to at least realize the decoding processing function. The Programmable logic device mentioned here is, for example, an FPGA (Field-Programmable Gate Array) or other similar logic device. The mentioned Microcontroller is, for example, an MCU (Microcontroller Unit), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and DSP processors.

Of course, the present embodiment does not limit the processing module 130 to be an architecture of a programmable logic device and a microcontroller, and it may also be, for example, a single-chip integrated architecture, including: the system comprises a first integrated processing chip for processing and control. For example, in the decoding apparatus shown in fig. 1, the first integrated processing chip is electrically connected to the switch interface module 110 and the transmitting module 140; in the decoding apparatus shown in fig. 2, the first integrated processing chip electrically connects the first PHY chip 120 and the transmission module 140. The first integrated processing chip may implement at least a decoding function.

In one embodiment of the present invention, the sending module 140 is used to implement sending processing functions of video data, where the mentioned sending processing functions include, for example, video processing and data format conversion functions, for example, video scaling processing, and data format conversion, for example, converting SerDes interface data into MII (media Independent interface) interface data or converting TTL interface data into MII interface data. Specifically, as shown in fig. 3, based on the decoding apparatus 100 shown in fig. 1, the transmitting module 140 includes, for example: a processing chip 141 and a control chip 143, wherein the processing chip 141 is electrically connected to the processing module 130, the display interface module 160 and the control chip 143. It should be noted here that the processing chip 141 is electrically connected to the processing module 130, the second PHY chip 150, and the control chip 143 based on the decoding apparatus shown in fig. 2.

By providing the processing chip 141 and the control chip 143 in the transmission module 140, electrical connection between the transmission module 140 and other modules, for example, the processing module 130, is established, and a transmission processing function of video data is realized.

The processing chip 141 includes, for example: the processing module 130 includes, for example, a second data signal interface and a second on-board ethernet interface, and the processing chip 141 is electrically connected to the second data signal interface through the first data signal interface and the second on-board ethernet interface through the first on-board ethernet interface to form an electrical connection with the processing module 130. The first data signal interface and the second data signal interface are both differential signal transmission interfaces or parallel signal transmission interfaces.

The first data signal interface and the first on-board ethernet interface are arranged in the processing chip 141, and the second data signal interface and the second on-board ethernet interface are arranged in the processing module 130, so that the first data signal interface and the second data signal interface are electrically connected to realize transmission of video signals, the first on-board ethernet interface and the second on-board ethernet interface are electrically connected to realize transmission of control signals, and the transmission functions of video data and control signals of the processing chip 141 and the processing module 130 are realized.

The processing chip 141 is, for example, a Programmable logic device (FPGA) or a video processing chip, where the Programmable logic device is, for example, a Field-Programmable Gate Array (FPGA) or other similar logic devices. The video processing chip is for example a DSP chip. The control Chip 143 is, for example, an MCU (micro controller Unit), which is also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and the like. The differential signal transmission interface is, for example, a SerDes interface or an LVDS interface. The mentioned parallel signal transmission interface is for example a TTL interface. The first on-board ethernet interface and the second on-board ethernet interface may be, for example, a gigabit MDI (medium Dependent interface) signal interface, or a gigabit MDI signal interface.

In other embodiments of the present invention, based on the structure shown in fig. 3, as shown in fig. 4, the control chip 143 is electrically connected to the processing module 130, for example.

The control chip 143 includes, for example, a first serial port, the processing module 130 includes, for example, a second serial port, and the control chip 143 is electrically connected to the second serial port through the first serial port to form an electrical connection with the processing module 130. The first serial port and the second serial port are, for example, UART (Universal Asynchronous Receiver/Transmitter) ports.

The first serial port is arranged in the control chip 143, the second serial port is arranged in the processing module 130, and the first serial port is electrically connected with the second serial port for transmitting the control signal, so that the transmission function of the control signal between the control chip 143 and the processing module 130 is realized.

Of course, the sending module 140 is not limited to the architecture including the processing chip 141 and the control chip 143 in this embodiment, and may also be a single-chip integrated architecture, for example, the sending module 140 includes: and a second integrated processing chip for processing and control. Based on the decoding device shown in fig. 1, the second integrated processing chip is electrically connected with the processing module 130 and the display screen interface module 140; based on the decoding device shown in fig. 2, the second integrated processing chip is electrically connected to the processing module 130 and the second PHY chip 140; the second integrated processing chip implements the aforementioned transmission processing function.

For example, as shown in fig. 5, the processing module 130 includes, for example: the first integrated processing chip 131 having processing and control functions, and the transmission module 140 includes, for example: possess the second integrated processing chip 145 of processing and control, the switch interface module 110 and the second integrated processing chip 145 are connected to first integrated processing chip 131 electricity, and display screen interface module 160 is still connected to the second integrated processing chip 145 electricity.

The first integrated processing chip 131 includes, for example: a third data signal interface and a first control signal interface, and the second integrated processing chip 145 includes, for example: the first integrated processing chip 131 is electrically connected with the fourth data signal interface through the third data signal interface and the first control signal interface is electrically connected with the second control signal interface to form an electrical connection with the second integrated processing chip 145; the third data signal interface and the fourth data signal interface are both differential signal transmission interfaces or parallel signal transmission interfaces; the first control signal interface and the second control signal interface are both in-board Ethernet interfaces or serial ports. The differential signal transmission interface mentioned here is, for example, a SerDes interface or an LVDS interface, the on-board ethernet interface mentioned here is, for example, a hundred-megaban MDI signal interface or a gigabit MDI signal interface, and the serial port mentioned here is, for example, a GPIO interface.

By arranging the integrated processing chips in the processing module 130 and the sending module 140, the integration level of the equipment can be improved, and the miniaturization of the equipment size is facilitated; the integrated processing chip is provided with a data signal interface and a control signal interface, so that the transmission functions of video data and control signals of the processing module and the sending module can be realized.

It should be noted that, as mentioned above, the processing module 130 and the sending module 140 transmit control signals in addition to video data, and the control signals herein can be understood as interactive communication signals between the two modules, such as resolution adjustment signals.

In addition, the foregoing fig. 3-5 are all described based on the decoding device shown in fig. 1, but the present embodiment is not limited thereto, and it can also be described based on the decoding device shown in fig. 2, for example, as shown in fig. 6, the sending module 140 includes, for example, a processing chip 141 and a control chip 143, the processing chip 141 is electrically connected to the processing module 130, the second PHY chip 150, and the control chip 143 is further electrically connected to the processing module 130. The processing chip 141 includes, for example, a first data signal interface and a first on-board ethernet interface, the control chip 143 includes, for example, a first serial port, the processing module 130 includes, for example, a second data signal interface, a second on-board ethernet interface and a second serial port, the processing chip 141 is electrically connected to the second data signal interface through the first data signal interface and the first on-board ethernet interface is electrically connected to the second on-board ethernet interface, so as to form an electrical connection with the processing module 130; the control chip 143 is electrically connected to the second serial port through the first serial port to form an electrical connection with the processing module 130; the first PHY chip 120 is electrically connected between the switch interface module 110 and the processing module 130, and the second PHY chip 150 is electrically connected between the processing chip 141 and the display interface module 160.

It should be noted that, in other embodiments of the present invention, the processing module 130 may also implement a video processing function in addition to the decoding processing function, and the sending module 140 at this time only implements the data format conversion function.

In an embodiment of the present invention, the display screen interface module 160 is used for connecting a display screen, for example, as shown in fig. 9, the display screen interface module 160 includes: the ethernet output interfaces 161, the ethernet output interfaces 161 are for example RJ45 interfaces, and the number is at least one, for example, 10. The display screen interface module 160 further includes a fiber output interface 163 for connecting to a display screen, and the fiber output interface 163 is, for example, a 10G fiber interface, a 20G fiber interface, or a 40G fiber interface.

Furthermore, the first PHY chip 120 and the second PHY chip 150 are, for example, ethernet PHY chips, and the first PHY chip 120 and the second PHY chip 150 are, for example, a hundred mega network PHY chip, a giga network PHY chip, or a ten thousand mega network PHY chip.

In an embodiment of the present invention, as shown in fig. 7, the decoding apparatus 100 further includes, for example: an audio input interface 170, an audio input processing module 180, an audio output interface 190, and an audio output processing module 200.

Wherein the audio input interface 170 is disposed on the circuit board. An audio input processing module 180 is disposed on the circuit board and electrically connects the audio input interface 170 and the processing module 130. An audio output interface 190 is provided on the circuit board. An audio output processing module 200 is disposed on the circuit board and electrically connects the audio output interface 190 and the processing module 130.

The audio input interface 170 may receive sound output by a microphone or other audio devices, and the audio output interface 190 may output audio to an audio playing device such as a headphone or a speaker. The audio input interface 170 and the audio output interface 190 are, for example, standard audio interfaces, for example, 3.5mm standard audio interfaces. The audio input processing module 180 is, for example, used to convert an input audio signal into an I2S format audio signal, for example, the audio input processing module 180 is, for example, an analog-to-digital converter. The audio output processing module 200 is, for example, configured to convert the I2S format audio signal into an analog audio signal for output, and the audio output processing module 200 is, for example, a digital-to-analog converter, and may further include an amplifying filter.

By arranging the audio input interface 170 and the audio output interface 190 on the decoding device 100, the decoding device can support a standard audio input interface and a standard audio output interface, the functions of the decoding device are expanded, and the use experience of a user is optimized.

In an embodiment of the present invention, as shown in fig. 8, the decoding apparatus 100 further includes, for example: a central control interface 210 and a central control processing module 220.

Wherein the central control interface 210 is arranged on the circuit board. The central processing module 220 is disposed on the circuit board and electrically connects the central interface 210 and the processing module 130.

By arranging the central control interface 210 and the central control processing module 220 on the decoding device, the decoding device can support the central control function, expand the functions of the decoding device and optimize the user experience.

Specifically, the central control processing module 220 includes, for example: the device comprises a protocol conversion unit, a relay control unit and an infrared transmitting unit. The protocol conversion unit is disposed on the circuit board and electrically connected to the central control interface 210 and the processing module 130. The relay control unit is disposed on the circuit board and electrically connects the central control interface 210 and the processing module 130. The infrared transmitting unit is disposed on the circuit board and electrically connected to the central control interface 210 and the processing module 130.

Specifically, the central interface 210 includes, for example, a DB9 interface and a phoenix terminal. The protocol switching unit is used for realizing data generation of an RS232 protocol and/or an RS485 protocol. For example, the protocol conversion unit includes: and the RS232/RS485 protocol converter is electrically connected with the DB9 interface. The relay control unit is used for realizing a relay control function, for example, the relay control unit includes: the transistor control circuit and the relay module are electrically connected with the phoenix terminal. The infrared transmitting unit is used for implementing an infrared transmitting learning function, for example, the infrared transmitting unit includes: the transistor control circuit and the infrared lamp circuit are electrically connected with the phoenix terminal.

It should be noted that, in other embodiments of the present invention, the central control processing module 220 may further include other central control functions, and the central control processing module 220 may also include only the aforementioned three partial functions.

In addition, in another embodiment of the present invention, as shown in fig. 9, the decoding apparatus 100 may be provided with an audio input interface 170, an audio input processing module 180, an audio output interface 190, an audio output processing module 200, a central control interface 210, and a central control processing module 220 at the same time, for example.

It is worth mentioning that the decoding device 100 disclosed in the foregoing embodiment is applied to a distributed system, for example, the distributed system includes a plurality of encoding devices, a plurality of decoding devices, a switch, and a display screen, each of the encoding devices is electrically connected to the switch, and at least one of the decoding devices is electrically connected to the switch and the display screen.

Further, as shown in fig. 10, a distributed system 400 disclosed in an embodiment of the present invention includes, for example: the foregoing embodiment discloses the decoding apparatus 100, the switch 410, and the display screen 430. Wherein the switch 410 is electrically connected to the switch interface module 110 of the decoding apparatus 100. The display 430 is electrically connected to the display interface module 160 of the decoding apparatus 100.

The display screen 430 is, for example, an LED display screen, and the LED display screen includes, for example, a receiving card and an LED display screen body connected to the receiving card, where the receiving card is also called a scanning card in the LED display screen control system, and includes, for example: the LED display screen comprises a network interface, a programmable logic device connected with the network interface, a microcontroller connected with the programmable logic device, a memory and the like, wherein the network interface is RJ45, the memory is volatile memory SDRAM, the programmable logic device is FPGA, the microcontroller is MCU, the LED display screen body is formed by splicing a plurality of LED modules, each LED module is provided with a receiving card, and a single LED module comprises an LED lamp panel (or LED unit panel) or a plurality of LED lamp panels spliced together.

Further, as shown in fig. 11, the distributed system 400 further includes, for example: an encoding device 450 of the switch 410 is electrically connected. The encoding device 450 is configured to perform IP encoding on an input data stream to obtain an IP data stream, and output the IP data stream to the switch. The encoding device 450 may be an existing encoding device.

In other embodiments of the present invention, as shown in fig. 12, the encoding apparatus 450 includes, for example: a first type video input interface 451, a second type video input interface 452, a video input loop out interface 453, a video processing switching module 454, an encoding processing module 455, an audio input module 456, an audio output module 457, a switch input connection module 458, a peripheral connection module 459, and a central control module 460.

The video processing switching module 454 is electrically connected to the first type video input interface 451, the video input loop-out interface 453, and the second type video input interface 452. The encoding processing module 455 is electrically connected to the video processing switching module 454. The audio input module 456 is electrically connected to the encoding processing module 455. The audio output module 457 is electrically connected to the encoding processing module 455. The switch input connection module 458 electrically connects the encoding processing module 455 and the switch 410. The peripheral connection module 459 is electrically connected to the encoding processing module 455. The central control module 460 is electrically connected to the encoding processing module 455.

The first type video input interface 451 is, for example, an HDMI video input interface. The second type video input interface 452 is, for example, a DP video input interface. The video input swap-out interface 453 is, for example, an HDMI video output interface. The video processing switching module 454 includes, for example: the HDMI interface chip is electrically connected with the HDMI video input interface and the HDMI video output interface, and the DP interface chip is electrically connected with the HDMI interface chip and the DP video input interface. The HDMI interface chip can realize the analytic function of the HDMI video signals, the DP interface chip can realize the analytic function of the DP video signals, and the HDMI interface chip can also realize the loop-out switching function of the video signals, namely the video signals input by the HDMI video input interface and/or the video signals input by the DP video input interface can be output through the HDMI video output interface. The encoding processing module 455 includes, for example, an integrated processing chip with processing and control functions, and implements the signal encoding functions, or includes a programmable logic device such as an FPGA and a microcontroller such as an ARM electrically connected to the programmable logic device, and implements the signal encoding functions, which support the h.264 protocol encoding and the h.265 protocol encoding. The audio input module 456 comprises, for example, a 3.5mm standard audio input interface and an analog-to-digital converter. The audio output module 457 includes, for example: a standard audio output interface of 3.5mm and a digital-to-analog converter. The switch input connection module 458 may include, for example, an ethernet interface such as an RJ45 interface and/or a fiber optic interface such as a 10G fiber optic interface, a 20G fiber optic interface, or a 40G fiber optic interface, and may be directly connected to the switch. The peripheral connection module 459 includes a USB interface for connecting a mouse, a keyboard, a USB disk, and the like, for example. The central control module 460 includes, for example, a central control interface and a central control processing module, which are the same as the central control interface and the central control processing module in the decoding apparatus 100, and are not described herein again.

By arranging the encoding device 450 in the distributed system 400 and arranging the first type video input interface, the first type video loop-out interface, the second type video input interface, the audio input module, the audio output module and the central control module in the encoding device 450, the input and loop-out functions of the double video input interfaces can be realized in the encoding and decoding process, the audio input and output functions can be realized, the central control function can be realized, and the functions of the distributed system are expanded.

The decoding device 100 and the distributed system 400 disclosed in the embodiment of the present invention are exemplified below with reference to fig. 13. As shown in fig. 13, the distributed system includes, for example: coding equipment, switch, decoding equipment and LED display screen.

The encoding device is connected with the PC, and can interact with the PC through the USB OTG, and in addition, the encoding device receives a video signal, an audio signal and/or a control signal input by the PC, and then performs IP-based encoding processing on the input signal to obtain RTSP streaming media which is output to the switch, wherein the RTSP streaming media output by the encoding device comprises the IP-based video signal, the audio signal and the control signal. The encoding device is, for example, an existing encoder, but of course, the encoding device may also be the encoding device shown in fig. 12, and the encoding device 450 shown in fig. 12 adds the input and loop-out functions of the dual video input interface, and can implement the audio input and output function and implement the central control function, compared with the existing encoder.

The switch receives the RTSP streaming media input by the encoding device and then outputs the RTSP streaming media to the corresponding decoding device, and the switch can be further connected with the IPC camera to receive the RTSP streaming media input by the IPC camera, and the RTSP streaming media input by the IPC camera can contain IP video signals and audio signals but does not contain control signals. The switch can also output the RTSP streaming media input by the IPC camera to the corresponding decoding equipment. It should be noted here that fig. 13 illustrates one encoding device and one decoding device, but in practical applications, one switch may connect a plurality of encoding devices and a plurality of decoding devices, and then transmit signals between the corresponding devices based on IP addresses in the IP-formatted signals. In addition, each switch can be connected with a display device to realize the pre-monitoring display of the large-screen redisplay node.

The decoding apparatus is, for example, the decoding apparatus 100 disclosed in the foregoing embodiment. For example, as shown in fig. 9, the structure of the decoding apparatus is that the ethernet input interface 111 and the fiber input interface 113 of the decoding apparatus 100 are connected to a switch, so as to receive IP-based data stream signals input by the switch, for example, the IP-based data stream signals include IP-based video signals, IP-based audio signals and/or IP-based control signals, the first PHY chip 120 parses the input IP-based data stream signals and then sends the parsed signals to the processing module 130, wherein the ethernet input interface 111 and the fiber input interface 113 can be used as a master device, the signals input by the ethernet input interface 111 are used as a default, the processing module 130 can detect whether the ethernet input interface 111 and the fiber input interface 113 are simultaneously accessed by reading an interrupt signal of the first PHY chip 120, when the signals are simultaneously accessed, the signals of the ethernet input interface 111 are used as a default, if it is detected that the ethernet input interface 111 is not connected, the signal from the fiber input interface 113 is selected.

The decoding protocol implemented by the processing module 130 corresponds to the encoding protocol in the encoding device, for example, and may support signal decoding of h.264 and h.265 protocols, and the processing module 130 may perform decoding processing on the input video signal and output the decoded video signal to the sending module 140. The sending module 140 may perform video processing on the input video signal, such as scaling processing and data format conversion, and output the video signal to the second PHY chip 150, where the second PHY chip 150 converts the input video signal into a standard MII network protocol, and outputs an RJ45 video signal to the LED display screen through the ethernet output interface 161 or the optical fiber output interface 163 for lighting.

In addition, the audio input interface 170 and the audio input processing module 180 of the decoding apparatus 100 may implement audio input, and the audio input interface 170 may receive external audio data or microphone sound. The audio output interface 190 and the audio output processing module 200 can implement audio output, and the audio output interface 190 can output audio sound through a headset or a speaker, wherein the audio output interface 190 outputs audio from, for example, the ethernet input interface 111 or the fiber input interface 113, and can also output audio from the audio input interface 170 to implement an audio loop-out function. The central control interface 210 and the central control processing module 220 can implement control functions of devices such as lights, projection screens, televisions, motorized window shades, and projectors.

To sum up, the utility model discloses an aforementioned embodiment is through setting up processing module, sending module and display screen interface module in decoding equipment, can solve the problem that the decoder need connect external device just can realize that the LED display screen lights among the current correlation technique, promptly the utility model discloses a decoding equipment that aforementioned embodiment is disclosed can the lug connection LED display screen, and the cost is reduced avoids decoder and external device incompatible problem among the current correlation technique, can also reduce the complexity and more abnormal risks that the site environment was built in addition.

Furthermore, it should be understood that the foregoing embodiments are only exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated for use on the premise that the technical features are not conflicted, the structure is not contradictory, and the purpose of the present invention is not violated.

In the several embodiments provided in the present disclosure, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of one logic function, and an actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

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 also be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit/module in the embodiments of the present invention may be integrated into one unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units/modules.

The integrated units/modules, which are implemented in the form of software functional units/modules, may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing one or more processors of a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A decoding device, characterized by comprising:

the switch interface module receives initial video data input by a switch;

the processing module is electrically connected with the switch interface module and at least decodes the initial video data to obtain processed video data;

the sending module is electrically connected with the processing module and is used for carrying out format conversion on the processed video data to obtain converted video data, and the converted video data is data which can be identified by a display screen;

the display screen interface module is electrically connected with the sending module;

the switch interface module, the processing module, the sending module and the display screen interface module are arranged on the same circuit board.

2. The decoding device according to claim 1,

the sending module comprises: the processing chip is electrically connected with the processing module, the display screen interface module and the control chip; or

The sending module comprises: the display screen interface module comprises a processing chip and a control chip, wherein the processing chip is electrically connected with the processing module, the display screen interface module and the control chip, and the control chip is also electrically connected with the processing module.

3. The decoding device according to claim 2,

the processing chip comprises a first data signal interface and a first on-board Ethernet interface, the processing module comprises a second data signal interface and a second on-board Ethernet interface, the processing chip is electrically connected with the second data signal interface through the first data signal interface and electrically connected with the second on-board Ethernet interface through the first on-board Ethernet interface to form electrical connection with the processing module, and the first data signal interface and the second data signal interface are both differential signal transmission interfaces or parallel signal transmission interfaces; and/or

The control chip comprises a first serial port, the processing module comprises a second serial port, and the control chip is electrically connected with the second serial port through the first serial port to form electrical connection with the processing module.

4. The decoding device according to claim 1, wherein the processing module comprises: possess the first integrated processing chip of processing and control, the sending module includes: the first integrated processing chip is electrically connected with the switch interface module and the second integrated processing chip;

wherein, the first integrated processing chip includes: third data signal interface and first control signal interface, the second integrates the processing chip and includes: the first integrated processing chip is electrically connected with the fourth data signal interface through the third data signal interface, and the first control signal interface is electrically connected with the second control signal interface to form electric connection with the second integrated processing chip;

the third data signal interface and the fourth data signal interface are both differential signal transmission interfaces or parallel signal transmission interfaces; the first control signal interface and the second control signal interface are both in-board Ethernet interfaces or serial ports.

5. The decoding device according to claim 1, further comprising:

a first PHY chip electrically connected between the switch interface module and the processing module; and

the second PHY chip is electrically connected between the sending module and the display screen interface module;

the switch interface module, the first PHY chip, the processing module, the transmitting module, the second PHY chip and the display screen interface module are arranged on the same circuit board.

6. The decoding device according to claim 1, further comprising: a first PHY chip and a second PHY chip;

the sending module comprises a processing chip and a control chip, the processing chip is electrically connected with the processing module, the display screen interface module and the control chip, and the control chip is also electrically connected with the processing module;

the processing chip comprises a first data signal interface and a first on-board Ethernet interface, the control chip comprises a first serial port, the processing module comprises a second data signal interface, a second on-board Ethernet interface and a second serial port, the processing chip is electrically connected with the second data signal interface through the first data signal interface, and the first on-board Ethernet interface is electrically connected with the second on-board Ethernet interface to form electrical connection with the processing module; the control chip is electrically connected with the second serial port through the first serial port to form electrical connection with the processing module;

the first PHY chip is connected between the switch interface module and the processing module, and the second PHY chip is connected between the processing chip and the display screen interface module.

7. The decoding device according to claim 1, further comprising:

a central control interface module; and

the central control processing module is electrically connected with the central control interface module and the processing module;

the central control interface module and the central control processing module are arranged on the circuit board.

8. The decoding device according to claim 1, further comprising:

an audio input interface module;

the audio input processing module is electrically connected with the audio input interface module and the processing module;

an audio output interface module; and

the audio output processing module is electrically connected with the audio output interface module and the processing module;

the audio input interface module, the audio input processing module, the audio output interface module and the audio output processing module are all arranged on the circuit board.

9. The decoding device according to claim 1, wherein the decoding device is applied to a distributed system including a plurality of encoding devices, a plurality of decoding devices, a switch, and a display screen, each of the plurality of encoding devices is electrically connected to the switch, and at least one of the plurality of decoding devices is electrically connected to the switch and the display screen.

10. A distributed system, comprising:

the decoding device of any one of claims 1-9;

the switch is electrically connected with the switch interface module of the decoding equipment; and

and the display screen is electrically connected with the display screen interface module of the decoding equipment.