CN117998118A - Image data transmission method, system and display device - Google Patents

Image data transmission method, system and display device Download PDF

Info

Publication number
CN117998118A
CN117998118A CN202410126771.9A CN202410126771A CN117998118A CN 117998118 A CN117998118 A CN 117998118A CN 202410126771 A CN202410126771 A CN 202410126771A CN 117998118 A CN117998118 A CN 117998118A
Authority
CN
China
Prior art keywords
image data
encoding
module
decoding
decoding module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410126771.9A
Other languages
Chinese (zh)
Inventor
彭季民
云桃桃
李有志
吕海亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
K Tronics Suzhou Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
K Tronics Suzhou Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, K Tronics Suzhou Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN202410126771.9A priority Critical patent/CN117998118A/en
Publication of CN117998118A publication Critical patent/CN117998118A/en
Pending legal-status Critical Current

Links

Landscapes

  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention discloses an image data transmission method, an image data transmission system and display equipment. The method comprises the following steps: the method comprises the steps that first equipment obtains first image data, a first encoding and decoding module is used for encoding the first image data to obtain second image data, and the second image data are sent to second equipment in a wireless transmission mode, wherein resolution of the first image data is larger than a threshold value; the second device receives the second image data in a wireless transmission mode, decodes the second image data by using a second encoding and decoding module to obtain first image data, and displays the first image data according to the resolution of the first image data.

Description

Image data transmission method, system and display device
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to an image data transmission method, system, and display device.
Background
With the development of the internet of things, the wireless transmission technology is widely applied to intelligent televisions, intelligent retail and intelligent commercial display products. The main approaches of most wireless image data transmission systems at present include the following:
1 st, wireless image data transmission is realized through HDMI (High Definition Multimedia Interface, high-definition multimedia interface) -USB (Universal Serial Bus ) -Wi-Fi (WIRELESS FIDELITY, wireless) protocol; 2, realizing wireless image data transmission through a USB-WIFI protocol; and 3. Wireless image data transmission is realized through a DP (display interface) -USB-Wi-Fi protocol.
Most of the three schemes are wireless transmission systems from a video source end to a video output end, and due to the bandwidth limitation supported by a chip during conversion of various protocols, the wireless transmission of image data is difficult to reach a high-definition standard, and even if the high-definition standard is reached, the problems of delay, blocking, low transmission image quality and the like often exist.
Disclosure of Invention
The invention provides an image data transmission method, an image data transmission system and display equipment, which are used for being not limited by chip bandwidths converted by various protocols and supporting ultra-high definition image data transmission.
In a first aspect, an embodiment of the present invention provides an image data transmission method, including:
The method comprises the steps that first equipment obtains first image data, a first encoding and decoding module is used for encoding the first image data to obtain second image data, and the second image data are sent to second equipment in a wireless transmission mode, wherein resolution of the first image data is larger than a threshold value;
The second device receives the second image data in a wireless transmission mode, decodes the second image data by using a second encoding and decoding module to obtain first image data, and displays the first image data according to the resolution of the first image data.
As an alternative to this embodiment of the present invention,
The first encoding and decoding module is realized based on an FPGA, and is used for encoding or decoding image data; and/or the number of the groups of groups,
The second encoding and decoding module is realized based on the FPGA and is used for encoding or decoding the image data.
As an optional implementation manner, the first image data includes VBO image data, the encoding the first image data with the first codec module to obtain second image data includes:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
As an optional implementation manner, the second image data includes a video stream in h.265 format, and the decoding the second image data by using the second codec module to obtain the first image data includes:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
As an alternative embodiment, the first device sends the second image data to a second device by using a wireless transmission mode, including:
The first device sends the second image data to the second device through a first Wi-Fi module, and the first Wi-Fi module and the first coding and decoding module are connected through an SDIO interface; and/or the number of the groups of groups,
The second device receiving the second image data by using a wireless transmission mode, including:
The second device receives the second image data through a second Wi-Fi module, and the second Wi-Fi module is connected with the second encoding and decoding module through an SDIO interface.
In a second aspect, an embodiment of the present invention provides an image data transmission system, including a first device and a second device; wherein:
The first device is used for acquiring first image data, encoding the first image data by using a first encoding and decoding module to obtain second image data, and transmitting the second image data to the second device by using a wireless transmission mode, wherein the resolution of the first image data is larger than a threshold value;
The second device is configured to receive the second image data by using a wireless transmission manner, decode the second image data by using a second codec module to obtain first image data, and display the first image data according to a resolution of the first image data.
In a third aspect, an embodiment of the present invention provides an image data transmission method, applied to a first device, where the method includes:
Acquiring first image data, wherein the resolution of the first image data is greater than a threshold;
Encoding the first image data by using a first encoding and decoding module to obtain second image data;
and transmitting the second image data to a second device by utilizing a wireless transmission mode.
In a fourth aspect, an embodiment of the present invention provides an image data transmission method, applied to a second device, where the method includes:
Receiving second image data sent by the first equipment by utilizing a wireless transmission mode;
Decoding the second image data by using a second encoding and decoding module to obtain first image data;
And displaying the first image data according to the resolution of the first image data.
In a fifth aspect, an embodiment of the present invention further provides a display apparatus, including a display screen and a controller, wherein:
the display screen is used for displaying contents;
The controller includes a processor and a memory for storing a program executable by the processor, the processor for reading the program in the memory and performing the steps of:
Acquiring first image data, wherein the resolution of the first image data is greater than a threshold;
Encoding the first image data by using a first encoding and decoding module to obtain second image data;
and transmitting the second image data to a second device by utilizing a wireless transmission mode.
In a sixth aspect, an embodiment of the present invention further provides a display apparatus, including a display screen and a controller, wherein:
the display screen is used for displaying contents;
The controller includes a processor and a memory for storing a program executable by the processor, the processor for reading the program in the memory and performing the steps of:
Receiving second image data sent by the first equipment by utilizing a wireless transmission mode;
Decoding the second image data by using a second encoding and decoding module to obtain first image data;
And displaying the first image data according to the resolution of the first image data.
In a seventh aspect, embodiments of the present invention also provide a computer storage medium having stored thereon a computer program for carrying out the steps of the method according to any one of the first, third or fourth aspects above when executed by a processor.
In an eighth aspect, the present application provides a computer program product comprising: computer program code which, when run on a computer, causes the computer to perform the method of any of the first, third or fourth aspects.
These and other aspects of the application will be more readily apparent from the following description of the embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of an embodiment of a method for transmitting image data according to the present invention;
fig. 2 is a schematic diagram of a Wi-Fi 6 ultra-high definition video transmission system according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a first device and a second device according to an embodiment of the present invention;
fig. 4 is a flowchart of Wi-Fi transmission of ultra-high definition video according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an image data transmission system according to an embodiment of the present invention;
Fig. 6 is a flowchart of an implementation of an image data transmission method according to an embodiment of the present invention;
fig. 7 is a flowchart of an implementation of an image data transmission method according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a display device according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a display device according to an embodiment of the present invention;
fig. 10 is a schematic diagram of an apparatus for an image data transmission method according to an embodiment of the present invention;
fig. 11 is a schematic diagram of an apparatus for an image data transmission method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment of the invention, the term "and/or" describes the association relation of the association objects, which means that three relations can exist, for example, a and/or B can be expressed as follows: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
The application scenario described in the embodiment of the present invention is for more clearly describing the technical solution of the embodiment of the present invention, and does not constitute a limitation on the technical solution provided by the embodiment of the present invention, and as a person of ordinary skill in the art can know that the technical solution provided by the embodiment of the present invention is applicable to similar technical problems as the new application scenario appears. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Before describing the image data transmission method provided by the embodiment of the present application, for convenience of understanding, the following detailed description is first provided for the technical background of the embodiment of the present application.
Along with the development of the internet of things, the wireless transmission technology is widely applied to intelligent televisions, intelligent retail and intelligent commercial display products, plays an important role of the intelligent systems all the time, and becomes a popular direction for research and development of people. Currently, wireless transmission technologies for audio types are relatively mature, and there are many solutions, such as 2.4G wireless microphones, U-section wireless microphones, WIFI smart speakers, bluetooth speakers, etc. Compared with the audio wireless transmission technology, the development of the wireless video transmission technology is relatively lagged, and the reason is obvious: the development difficulty and development cost of the wireless video transmission technology are relatively large. Nevertheless, the need for wireless video transmission technology remains a hotspot of market interest, such as wireless projection systems, wireless monitoring systems, wireless transmission imaging applications for medical devices, and the like.
The main approaches of most wireless image data transmission systems at present include the following:
1 st, wireless image data transmission is realized through HDMI-USB-WIFI protocol; 2, realizing wireless image data transmission through a USB-WIFI protocol; and 3. Realizing wireless image data transmission through a DP-USB-WIFI protocol.
Most of the three schemes are wireless transmission systems from a video source end to a video output end, and due to the bandwidth limitation supported by a chip during conversion of various protocols, the wireless transmission of image data is difficult to reach a high-definition standard, and even if the high-definition standard is reached, the problems of delay, blocking, low transmission image quality and the like often exist.
In order to solve the above technical problems, the embodiments of the present invention provide an image data transmission method, in which wireless transmission from a video source end to a video output end is performed, in which a first codec module is used to directly encode first image data at the video source end (first device end), and a wireless transmission mode is used to directly transmit second image data obtained after encoding to a second device, and the second device uses the second codec module to decode and display the second image data, so that the image data transmission method provided in this embodiment is not limited by chip bandwidths converted by various protocols and supports ultra-high definition video transmission.
As shown in fig. 1, a specific implementation flow of the image data transmission method provided in this embodiment is as follows:
Step 100, a first device obtains first image data, encodes the first image data by using a first encoding and decoding module to obtain second image data, and sends the second image data to a second device by using a wireless transmission mode, wherein the resolution of the first image data is larger than a threshold value;
Step 101, a second device receives the second image data by using a wireless transmission mode, decodes the second image data by using a second encoding and decoding module to obtain first image data, and displays the first image data according to the resolution of the first image data.
Optionally, the first device in this embodiment includes, but is not limited to, a display device, such as a tablet, smart tv, conference integrated machine, large screen display terminal (typically 50 inches or more), and so on.
Optionally, the second device in this embodiment includes, but is not limited to, a display device, such as a tablet, smart tv, conference set, large screen display terminal (typically 50 inches or more), and so on.
Optionally, the first device and the second device in this embodiment establish a wireless communication connection, including but not limited to a Wi-Fi connection, a bluetooth connection, or the like, for wirelessly transmitting high-definition image data. The specific wireless connection mode is not limited in this embodiment.
Optionally, the first image data in this embodiment includes, but is not limited to, data such as a picture, a video, and the resolution of the first image data is greater than a threshold, for example, the first image data is ultra-high definition video such as 4K or 8K.
Optionally, the second image data in this embodiment is obtained by encoding the first image data, where the second image data includes but is not limited to a video stream in h.265 format, or a video stream in other encoding formats, such as h.261, h.263, h.264, or the like, or M-JPEG (Motion-Join Photographic Experts Group, motion still image (or frame-by-frame) compression) standard, or MPEG (Moving Pictures Experts Group, moving picture experts group) standard.
Optionally, the encoding in this embodiment includes, but is not limited to, image encoding or video encoding, where when the first image data is an image, the image encoding is performed on the first image data by using an image encoding technology to obtain second image data; when the first image data is video, video encoding is carried out on the first image data by utilizing a video encoding technology to obtain second image data.
Optionally, the first device in this embodiment includes a first codec module, and when the first device obtains the ultra-high definition image data and needs to send the ultra-high definition image data to other devices, the first codec module is used to encode the image data. Optionally, the first codec module may be further configured to decode, when the first device receives the encoded image data, the image data with the first codec module for displaying the decoded image data on the first device.
Optionally, the second device in this embodiment includes a second codec module, and when the second device obtains the ultra-high definition image data and needs to send the ultra-high definition image data to other devices, the second codec module is used to encode the image data. Optionally, the second codec module may be further configured to decode, when the second device receives the encoded image data, the image data with the second codec module for displaying the decoded image data on the second device.
Alternatively, the first device may be the end that transmits the encoded image data, the second device may be the end that receives the encoded image data, or the first device may be the end that receives the encoded image data, and the second device may be the end that transmits the encoded image.
In some embodiments, the first codec module is implemented based on an FPGA (Field Programmable GATE ARRAY ) for encoding or decoding of image data. The FPGA device belongs to a semi-custom circuit in an application-specific integrated circuit, is a programmable logic array, and can effectively solve the problem of less gate circuits of the original device. The basic structure of the FPGA comprises a programmable input/output unit, a configurable logic block, a digital clock management module, an embedded block RAM, wiring resources, an embedded special hard core and a bottom layer embedded functional unit. The embodiment realizes the encoding and decoding functions of the image data based on the FPGA, and the actual product is embodied as an FPGA logic board, namely, an encoding and decoding module is arranged in the FPGA logic board and is used for realizing the encoding and decoding functions of the image data.
In some embodiments, the second codec module is implemented based on an FPGA, and the second codec module is configured to encode or decode image data.
In implementation, the encoding and decoding functions of the image data can be realized through the FPGA. And determining a first coding module by using an FPGA logic board in the first device, and determining a second coding module by using an FPGA logic board in the second device.
Compared with other technical realization paths limited by the chip bandwidth of the board card, the embodiment does not need conversion of each protocol chip, is not limited by the chip bandwidth, and the FPGA can directly encode and decode the h.265 ultra-high-definition video signal, so that long-distance lossless wireless transmission of 4K/8K ultra-high-definition video with large data volume can be realized, and 100M long-distance transmission can be supported at most.
In some embodiments, the first image data includes, but is not limited to, a VBO (V-by-One, digital interface standard for image transmission) signal. The VBO image data is a signal transmission standard, the input/output level of the VBO image data adopts LVDS (Low-Voltage DIFFERENTIAL SIGNALING, low-Voltage differential signal), the signal frequency of the board is about 1GHz, and compared with the previous CMOS (Complementary Metal Oxide Semiconductor )/TTL (Transistor Transistor Logic, transistor-transistor logic) mode, the number of transmission lines can be reduced to about 1/10 of the previous transmission line. The method is widely applied to the fields of office equipment, vehicle-mounted entertainment equipment, robots, security systems and the like. The advantages of LVDS are high speed, low power consumption, etc.
In some embodiments, the first image data includes VBO image data, and the embodiment encodes the first image data with the first codec module to obtain the second image data by:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
In implementation, the first device acquires VBO image data (high definition/ultra high definition signal), and encodes the VBO image data by using a first codec module of the FPGA to obtain a video stream in h.265 format, so that the video stream is directly sent to the second device in a wireless transmission manner, and is used for high definition display by the second device.
In some embodiments, the second image data includes a video stream in h.265 format, and the embodiment decodes the second image data by using the second codec module to obtain the first image data in the following manner:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
In implementation, the second device obtains the video stream in the h.265 format through a wireless transmission mode, decodes the video stream by using the second encoding and decoding module of the FPGA to obtain VBO image data, and performs high-definition display.
In practice, h.265 is a new video coding standard established subsequent to h.264. The h.265 standard surrounds the existing video coding standard h.264, retaining some of the original techniques, while improving some of the related techniques. The new technology uses advanced technology to improve the relation among code stream, coding quality, delay and algorithm complexity, so as to achieve the optimal setting. Specific research content includes: compression efficiency, robustness and error recovery capability are improved, real-time delay is reduced, channel acquisition time and random access delay are reduced, complexity is reduced, and the like. H.264 can realize standard definition digital image transmission at a speed lower than 1Mbps due to algorithm optimization; the h.265 can realize the transmission 720P (resolution 1280×720) of the common high-definition audio/video with a transmission speed of 1-2 Mbps.
In this embodiment, 2.4G/5G is supported, and compared with the common OFDMA (Orthogonal Frequency Division Multiple Access ) technology, the scheme can further realize sub-channel signal transmission with smaller units and perform accurate combination reception and transmission according to the signal size, so that fast and effective transmission of video signals can be realized, signal delay is reduced, co-channel interference transmission is reduced, and anti-interference capability is improved.
In some embodiments, the first device of the present embodiment sends the second image data to the second device by using a wireless transmission manner, including the following implementation manners:
The first device sends the second image data to the second device through a first Wi-Fi module, and the first Wi-Fi module and the first coding and decoding module are connected through an SDIO (Secure Digital Input and Output, secure digital input output) interface.
In some embodiments, the second device of the present embodiment receives the second image data by using a wireless transmission manner, including the following implementation manners:
The second device receives the second image data through a second Wi-Fi module, and the second Wi-Fi module is connected with the second encoding and decoding module through an SDIO interface.
Optionally, in this embodiment, the SDIO interface is extended to the FPGA, compared with other communication interfaces, the circuit design is relatively not very complex, the application program coding difficulty is reduced, the cost is reduced, and high-speed low-power transmission can be realized.
In implementation, the first device includes a first Wi-Fi module, the second device includes a second Wi-Fi module, and the first device and the second device may establish Wi-Fi connection, and transmit high-definition/ultra-high-definition video streams or pictures using standards such as Wi-Fi 6 and Wi-Fi 7.
Among them, wi-Fi6 (original name: IEEE 802.11. Ax), a sixth generation wireless networking technology, is the name of Wi-Fi standard. Is a wireless local area network technology created by Wi-Fi alliance in the IEEE 802.11 standard. Wi-Fi6 will allow communication with up to 8 devices, with a highest rate of up to 9.6Gbps. Wi-Fi 7, the seventh generation Wi-Fi wireless network, can reach speeds up to 30Gbps, which is three times as high as the highest 9.6Gbps speed of Wi-Fi 6. Compared with Wi-Fi6, wi-Fi 7 can support 16 data streams at most, and in addition to the traditional 2.4GHz and 5GHz two frequency bands, wi-Fi 7 can additionally support the 6GHz frequency band, and the three frequency bands can work simultaneously.
As shown in fig. 2, the present embodiment further provides a system for transmitting ultra-high definition video by using Wi-Fi 6, which includes a first device and a second device, where the first device includes a first codec module (FPGA codec logic board) and a first Wi-Fi module, and the second device includes a second codec module (FPGA codec logic board) and a second Wi-Fi module. The first Wi-Fi module and the second Wi-Fi module are used for realizing wireless communication data transmission by utilizing Wi-Fi 6 standards.
Optionally, the first Wi-Fi module in this embodiment includes BT (BlueTooth), and the second Wi-Fi module in this embodiment includes BT.
As shown in fig. 3, this embodiment further provides a schematic structural diagram of a first device and a second device, where the first device is used as a transmitting end, the second device is used as a receiving end, the first device includes a system board, an FPGA logic board, and a first Wi-Fi module, where the FPGA logic board includes a first codec module, the system board and the FPGA logic board are connected through a VBO interface, the first codec module of the FPGA logic board obtains VBO image data, and encodes the VBO image data to obtain second image data (video stream in h.265 format), and the obtained second image data is directly sent to the receiving end (second device) through the first Wi-Fi module. The second device comprises an FPGA logic board, a second Wi-Fi module and a TCON board, wherein the FPGA logic board comprises a second encoding and decoding module, the FPGA logic board and the TCON board are connected through a VBO interface, the second Wi-Fi module receives the video stream in the H.265 format sent by the first Wi-Fi module, and after the second encoding and decoding module of the FPGA logic board receives the video stream in the H.265 format from the second Wi-Fi module, VBO image data is obtained after decoding and is transmitted to the TCON board for display.
In this embodiment, the first device collects and inputs the ultra-high definition video signal through the system board, directly encodes the h.265 ultra-high definition video signal through the FPGA logic board, communicates with the first Wi-Fi module through the SDIO bus, and outputs the high definition video signal. The second device receives the ultra-high definition video signal through the second Wi-Fi module and the SDIO bus, decodes the ultra-high definition video signal through the FPGA logic board, outputs the ultra-high definition video signal through the VBO interface, and outputs the ultra-high definition video signal to the TCON board for processing and displaying.
As shown in fig. 4, the embodiment further provides a flow chart for Wi-Fi transmission of ultra high definition video, and the specific implementation flow is as follows:
Step 400, powering up and starting up the first equipment and the second equipment;
in implementation, a first device is defined as a master device, a second device is a slave device, and the first device includes a first codec module (FPGA logic board) and a VBO transmitting board, where the VBO transmitting board includes a first Wi-Fi module. The second device includes a second codec module (FPGA logic board) and a VBO receiving board, wherein the VBO receiving board includes a second Wi-Fi module. Each pair of master-slave devices may write the binding via the burn software.
Optionally, the first codec module is connected with the first Wi-Fi module through an SDIO3 bus, and the second codec module is connected with the second Wi-Fi module through an SDIO3 bus.
Step 401, judging whether the SDIO3 bus of the first device detects that the first Wi-Fi module is successfully mounted, if yes, executing step 402, otherwise, executing step 404;
Step 402, enabling the FPGA logic board of the first device and the first Wi-Fi module to be pulled high;
step 403, the first encoding and decoding module of the FPGA logic board encodes the VBO image data into a video stream in h.265 format, and transmits the video stream to the first Wi-Fi module;
Step 404, entering a broadcasting mode, resetting again, and executing step 401;
In implementation, when the first device is powered on, the SDIO3 bus of the FPGA logic board actively detects whether the first Wi-Fi module is successfully mounted, if the first Wi-Fi module is detected, an enabling signal between the first Wi-Fi module and the FPGA logic board is pulled up, the FPGA logic board directly encodes VBO image data (high definition signal) of the front end into a video stream in h.265 format, the video stream is transmitted to the first Wi-Fi module through the SDIO3 bus, and the video stream is forwarded to the second Wi-Fi module of the second device through Wi-Fi 6 protocol to receive the video stream.
Step 405, determining whether the SDIO3 bus of the second device detects that the second Wi-Fi module is successfully mounted, if yes, executing step 406, otherwise, executing step 410;
In practice, the step 401 and the step 405 may be performed synchronously or asynchronously, which is not limited in this embodiment.
Step 406, enabling the FPGA logic board of the second device and the second Wi-Fi module to be pulled high;
step 407, the second Wi-Fi module receives the video stream in the h.265 format sent by the first Wi-Fi module;
step 408, the FPGA logic board of the second device decodes the video stream in h.265 format into VBO image data;
step 409, the TCON module of the second device receives VBO image data and displays the VBO image data.
Step 410, entering a broadcast mode, resetting, and executing step 405.
In implementation, the SDIO3 bus of the FPGA logic board of the second device actively detects whether the second Wi-Fi module is successfully mounted, if the second Wi-Fi module is detected, an enabling signal between the second Wi-Fi module and the FPGA logic board is pulled high, the second Wi-Fi module transmits the received video stream in the h.265 format to the second codec module of the FPGA logic board through the SDIO3 bus, decodes the video stream and then restores the video stream to VBO image data, and transmits the VBO image data to the TCON module for processing and display.
According to the embodiment of the invention, through the first encoding and decoding module of the FPGA logic board added to the first equipment, the first encoding and decoding module can directly encode and decode into a video stream (such as a high-definition video signal) in an H.265 format, and then communicate with the first Wi-Fi module through the SDIO bus to output the video signal; the second Wi-Fi module of the second device receives the high-definition video signal (the video stream in the H.265 format), decodes the high-definition video signal through the second encoding and decoding module of the FPGA logic board, transmits a data bus through the VBO interface, and sends the data bus to the TCON module of the second device for processing and displaying, so that the method for transmitting the ultra-high-definition video (4K/8K video) through Wi-Fi is realized.
Based on the same inventive concept, the embodiment of the present invention also provides an image data transmission system, as shown in fig. 5, which includes a first device 500 and a second device 501; wherein:
The first device 500 is configured to obtain first image data, encode the first image data with a first codec module to obtain second image data, and send the second image data to a second device with a wireless transmission mode, where a resolution of the first image data is greater than a threshold;
the second device 501 is configured to receive the second image data by using a wireless transmission manner, decode the second image data by using a second codec module to obtain first image data, and display the first image data according to a resolution of the first image data.
As an alternative to this embodiment of the present invention,
The first encoding and decoding module is realized based on an FPGA, and is used for encoding or decoding image data; and/or the number of the groups of groups,
The second encoding and decoding module is realized based on the FPGA and is used for encoding or decoding the image data.
As an alternative embodiment, the first image data includes VBO image data, and the first device 500 is specifically configured to:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
As an alternative embodiment, the second image data includes a video stream in h.265 format, and the second device 501 is specifically configured to:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
As an alternative embodiment, the first device 500 is specifically configured to:
The first device sends the second image data to the second device through a first Wi-Fi module, and the first Wi-Fi module and the first coding and decoding module are connected through an SDIO interface; and/or the number of the groups of groups,
The second device 501 is specifically configured to:
The second device receives the second image data through a second Wi-Fi module, and the second Wi-Fi module is connected with the second encoding and decoding module through an SDIO interface.
Based on the same inventive concept, the embodiment of the present invention further provides an image data transmission method, which is applied to the first device, as shown in fig. 6, and the implementation flow of the method is as follows:
step 600, acquiring first image data, wherein the resolution of the first image data is larger than a threshold value;
Step 601, encoding the first image data by using a first encoding and decoding module to obtain second image data;
Step 602, transmitting the second image data to a second device by using a wireless transmission mode.
As an alternative to this embodiment of the present invention,
The first encoding and decoding module is realized based on an FPGA, and is used for encoding or decoding image data.
As an optional implementation manner, the first image data includes VBO image data, the encoding the first image data with the first codec module to obtain second image data includes:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
As an alternative embodiment, the first device sends the second image data to a second device by using a wireless transmission mode, including:
The first device sends the second image data to the second device through a first Wi-Fi module, and the first Wi-Fi module is connected with the first encoding and decoding module through an SDIO interface.
Based on the same inventive concept, the embodiment of the present invention further provides an image data transmission method applied to the second device, as shown in fig. 7, and the implementation flow of the method is as follows:
step 700, receiving second image data sent by the first device by utilizing a wireless transmission mode;
Step 701, decoding the second image data by using a second encoding and decoding module to obtain first image data;
step 702, displaying the first image data according to the resolution of the first image data.
As an alternative to this embodiment of the present invention,
The second encoding and decoding module is realized based on the FPGA and is used for encoding or decoding the image data.
As an optional implementation manner, the second image data includes a video stream in h.265 format, and the decoding the second image data by using the second codec module to obtain the first image data includes:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
As an alternative embodiment, the second device receives the second image data by using a wireless transmission manner, including:
The second device receives the second image data through a second Wi-Fi module, and the second Wi-Fi module is connected with the second encoding and decoding module through an SDIO interface.
Based on the same inventive concept, the embodiments of the present invention further provide a display device, and since the display device is the device in the method in the embodiments of the present invention, and the principle of the display device for solving the problem is similar to that of the method, the implementation of the display device may refer to the implementation of the method, and the repetition is omitted.
As shown in fig. 8, includes a display screen 800 and a controller 801, wherein:
the display screen 800 is used for displaying content;
The controller 801 includes a processor for storing a program executable by the processor and a memory for reading the program in the memory and performing the steps of:
Acquiring first image data, wherein the resolution of the first image data is greater than a threshold;
Encoding the first image data by using a first encoding and decoding module to obtain second image data;
and transmitting the second image data to a second device by utilizing a wireless transmission mode.
As an alternative to this embodiment of the present invention,
The first encoding and decoding module is realized based on an FPGA, and is used for encoding or decoding image data.
As an alternative embodiment, the first image data comprises VBO image data, and the processor is specifically configured to perform:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
As an alternative embodiment, the processor is specifically configured to perform:
And sending the second image data to second equipment through a first Wi-Fi module, wherein the first Wi-Fi module and the first encoding and decoding module are connected through an SDIO interface.
Based on the same inventive concept, the embodiments of the present invention further provide a display device, and since the display device is the device in the method in the embodiments of the present invention, and the principle of the display device for solving the problem is similar to that of the method, the implementation of the display device may refer to the implementation of the method, and the repetition is omitted.
As shown in fig. 9, includes a display 900 and a controller 901, wherein:
The display screen 900 is used for displaying content;
the controller 901 includes a processor for storing a program executable by the processor, and a memory for reading the program in the memory and performing the steps of:
Receiving second image data sent by the first equipment by utilizing a wireless transmission mode;
Decoding the second image data by using a second encoding and decoding module to obtain first image data;
And displaying the first image data according to the resolution of the first image data.
As an alternative to this embodiment of the present invention,
The second encoding and decoding module is realized based on the FPGA and is used for encoding or decoding the image data.
As an alternative embodiment, the second image data comprises a video stream in h.265 format, and the processor is specifically configured to perform:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
As an alternative embodiment, the processor is specifically configured to perform:
and receiving the second image data through a second Wi-Fi module, wherein the second Wi-Fi module and the second coding and decoding module are connected through an SDIO interface.
Based on the same inventive concept, the embodiment of the present invention further provides an image data transmission device, and since the device is the device in the method in the embodiment of the present invention, and the principle of the device for solving the problem is similar to that of the method, the implementation of the device may refer to the implementation of the method, and the repetition is omitted.
As shown in fig. 10, the apparatus includes:
An image acquisition module 1000, configured to acquire first image data, where a resolution of the first image data is greater than a threshold;
An encoding image module 1001, configured to encode the first image data by using a first encoding and decoding module to obtain second image data;
And a wireless transmission module 1002, configured to send the second image data to a second device by using a wireless transmission manner.
As an alternative to this embodiment of the present invention,
The first encoding and decoding module is realized based on an FPGA, and is used for encoding or decoding image data.
As an alternative embodiment, the first image data includes VBO image data, and the encoding image module 1001 is specifically configured to:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
As an alternative embodiment, the wireless transmission module 1002 is specifically configured to:
And sending the second image data to second equipment through a first Wi-Fi module, wherein the first Wi-Fi module and the first encoding and decoding module are connected through an SDIO interface.
Based on the same inventive concept, the embodiment of the present invention further provides an image data transmission device, and since the device is the device in the method in the embodiment of the present invention, and the principle of the device for solving the problem is similar to that of the method, the implementation of the device may refer to the implementation of the method, and the repetition is omitted.
As shown in fig. 11, the apparatus includes:
an image receiving module 1100, configured to receive second image data sent by the first device by using a wireless transmission manner;
An image decoding module 1101, configured to decode the second image data by using a second codec module to obtain first image data;
and an image display module 1102, configured to display the first image data according to the resolution of the first image data.
As an alternative to this embodiment of the present invention,
The second encoding and decoding module is realized based on the FPGA and is used for encoding or decoding the image data.
As an optional implementation manner, the second image data includes a video stream in h.265 format, and the image decoding module 1101 is specifically configured to:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
As an alternative embodiment, the image display module 1102 is specifically configured to:
The second device receives the second image data through a second Wi-Fi module, and the second Wi-Fi module is connected with the second encoding and decoding module through an SDIO interface.
Based on the same inventive concept, embodiments of the present disclosure provide a computer storage medium, the computer storage medium including: computer program code which, when run on a computer, causes the computer to perform the image data transmission method as any of the preceding discussion. Since the principle of the computer storage medium for solving the problem is similar to that of the image data transmission method, the implementation of the computer storage medium can refer to the implementation of the method, and the repetition is omitted.
In a specific implementation, the computer storage medium may include: a universal serial bus flash disk (USB, universal Serial Bus FLASH DRIVE), a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, or the like, which can store program codes.
Based on the same inventive concept, the disclosed embodiments also provide a computer program product comprising: computer program code which, when run on a computer, causes the computer to perform the image data transmission method as any of the preceding discussion. Since the principle of the solution of the problem of the computer program product is similar to that of the image data transmission method, the implementation of the computer program product can refer to the implementation of the method, and the repetition is omitted.
The computer program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (11)

1. A method of transmitting image data, the method comprising:
The method comprises the steps that first equipment obtains first image data, a first encoding and decoding module is used for encoding the first image data to obtain second image data, and the second image data are sent to second equipment in a wireless transmission mode, wherein resolution of the first image data is larger than a threshold value;
The second device receives the second image data in a wireless transmission mode, decodes the second image data by using a second encoding and decoding module to obtain first image data, and displays the first image data according to the resolution of the first image data.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
The first encoding and decoding module is realized based on an FPGA, and is used for encoding or decoding image data; and/or the number of the groups of groups,
The second encoding and decoding module is realized based on the FPGA and is used for encoding or decoding the image data.
3. The method of claim 1, wherein the first image data comprises VBO image data, and wherein encoding the first image data with the first codec module results in second image data comprises:
And encoding the VBO image data into a video stream in an H.265 format by using a first encoding and decoding module, and determining the video stream in the H.265 format as the second image data.
4. The method of claim 1, wherein the second image data comprises a video stream in h.265 format, and wherein decoding the second image data using the second codec module to obtain the first image data comprises:
And decoding the video stream in the H.265 format into VBO image data by using a second encoding and decoding module, and determining the VBO image data as the first image data.
5. The method of claim 1, wherein the first device transmitting the second image data to a second device using wireless transmission, comprising:
The first device sends the second image data to the second device through a first Wi-Fi module, and the first Wi-Fi module and the first coding and decoding module are connected through an SDIO interface; and/or the number of the groups of groups,
The second device receiving the second image data by using a wireless transmission mode, including:
The second device receives the second image data through a second Wi-Fi module, and the second Wi-Fi module is connected with the second encoding and decoding module through an SDIO interface.
6. An image data transmission system, characterized in that the system comprises a first device and a second device; wherein:
The first device is used for acquiring first image data, encoding the first image data by using a first encoding and decoding module to obtain second image data, and transmitting the second image data to the second device by using a wireless transmission mode, wherein the resolution of the first image data is larger than a threshold value;
The second device is configured to receive the second image data by using a wireless transmission manner, decode the second image data by using a second codec module to obtain first image data, and display the first image data according to a resolution of the first image data.
7. A method of image data transmission, characterized in that it is applied to a first device, the method comprising:
Acquiring first image data, wherein the resolution of the first image data is greater than a threshold;
Encoding the first image data by using a first encoding and decoding module to obtain second image data;
and transmitting the second image data to a second device by utilizing a wireless transmission mode.
8. An image data transmission method, characterized by being applied to a second device, comprising:
Receiving second image data sent by the first equipment by utilizing a wireless transmission mode;
Decoding the second image data by using a second encoding and decoding module to obtain first image data;
And displaying the first image data according to the resolution of the first image data.
9. A display device comprising a display screen and a controller, wherein:
the display screen is used for displaying contents;
The controller includes a processor and a memory for storing a program executable by the processor, the processor for reading the program in the memory and performing the steps of:
Acquiring first image data, wherein the resolution of the first image data is greater than a threshold;
Encoding the first image data by using a first encoding and decoding module to obtain second image data;
and transmitting the second image data to a second device by utilizing a wireless transmission mode.
10. A display device comprising a display screen and a controller, wherein:
the display screen is used for displaying contents;
The controller includes a processor and a memory for storing a program executable by the processor, the processor for reading the program in the memory and performing the steps of:
Receiving second image data sent by the first equipment by utilizing a wireless transmission mode;
Decoding the second image data by using a second encoding and decoding module to obtain first image data;
And displaying the first image data according to the resolution of the first image data.
11. A computer storage medium having stored thereon a computer program, which when executed by a processor performs the steps of the method according to any of claims 1-5 or 7-8.
CN202410126771.9A 2024-01-30 2024-01-30 Image data transmission method, system and display device Pending CN117998118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410126771.9A CN117998118A (en) 2024-01-30 2024-01-30 Image data transmission method, system and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410126771.9A CN117998118A (en) 2024-01-30 2024-01-30 Image data transmission method, system and display device

Publications (1)

Publication Number Publication Date
CN117998118A true CN117998118A (en) 2024-05-07

Family

ID=90894859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410126771.9A Pending CN117998118A (en) 2024-01-30 2024-01-30 Image data transmission method, system and display device

Country Status (1)

Country Link
CN (1) CN117998118A (en)

Similar Documents

Publication Publication Date Title
TWI610564B (en) Static frame image quality improvement for sink displays
WO2021168649A1 (en) Multifunctional receiving device and conference system
WO2017034725A1 (en) Reliable large group of pictures (gop) file streaming to wireless displays
CN110865782B (en) Data transmission method, device and equipment
CN102348117A (en) System of transmitting digital high definition signal with low bandwidth, method thereof and network multimedia television
CN110958431A (en) Multi-channel video compression post-transmission system and method
KR20170008772A (en) System and method to optimize video performance in wireless-dock with ultra-high definition display
US8963996B2 (en) Communication of stereoscopic three-dimensional (3D) video information including an uncompressed eye view video frames
CN102123275B (en) Video component data information acquiring and extracting method
CN115702562A (en) Video throughput improvement using long-term referencing, deep learning, and load balancing
CN103533148A (en) Variable-screen mobile phone and use method thereof
CN117998118A (en) Image data transmission method, system and display device
CN110798688A (en) High-definition video compression coding system based on real-time transmission
US20230007282A1 (en) Image transmission method and apparatus
CN103428493A (en) Light wireless transmission system for high-definition videos
CN201123043Y (en) Household wireless multimedia game system
TWI534753B (en) A data processing apparatus for segmental processing of input data, systems using the apparatus and methods for data transmittal
CN106412684A (en) High-definition video wireless transmission method and system
CN210839845U (en) Wireless image transmission device
CN103856784A (en) Data sending method, data receiving method and electronic devices
EP4161076A1 (en) Video transmission method, device and system
CN204291226U (en) A kind of high-definition image radio transmission apparatus
CN101150681A (en) A broadcast digital video and audio collection and playing PCI extension card
CN205232344U (en) Many interfaces high definition video wireless transmitter
CN212367442U (en) Four-way H.265 codec

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination