CN106790257A - IP-based multimedia transmission method and system - Google Patents
IP-based multimedia transmission method and system Download PDFInfo
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- CN106790257A CN106790257A CN201710059779.8A CN201710059779A CN106790257A CN 106790257 A CN106790257 A CN 106790257A CN 201710059779 A CN201710059779 A CN 201710059779A CN 106790257 A CN106790257 A CN 106790257A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses IP-based multimedia transmission method, comprise the following steps, transmitting terminal：Multi-medium data is obtained, multi-medium data includes source video data；Source video data are converted into rgb video data or yuv video data；To rgb video data or yuv video data encoding generation video data frame；Video data frame package is generated into transmitting terminal packet；Transmitting terminal packet is sent to receiving terminal by IP agreement；Receiving terminal：Parsing transmitting terminal packet obtains frame of display data；Output end video data is generated to display data frame decoding.It is original video data by by the Video Quality Metric of multiple format, enhances the versatility of video information；Then by ICP/IP protocol package, packet is transferred to receiving terminal by network communication equipment, extends the scope of video information transmission and the compatibility of video information form.Receiving terminal receives and carry out after video data bag analytic solutions code and obtain video data.And the multi-party display of same video can be realized by network communication equipment.
Description
Technical field
The present invention relates to network communication field, more particularly to IP-based multimedia transmission method and system.
Background technology
As technology is continued to develop, the species of video format is more and more, and the definition of video is also improved constantly, existing
Video extension transmission, mostly be transmission HDMI signals, for other signals (DVI/VGA/AV/SDI/YPBPR etc.) transmission all
Needs be transmitted after being converted into HDMI, and are also relatively independent between each signal, it is impossible to which realization is interconnected.Than
As HDBaseT, the also HDMI of single line are transmitted, it is required for being realized after all signals are converted into HDMI, so that system becomes
Compare huge and complexity, stability is greatly reduced, engineering maintenance expense is also higher.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide IP-based multimedia transmission method and it is
System, interconnecting between unlike signal standard multimedia messages, its problem that can be solved are realized by internet ip technology.
The purpose of the present invention is realized using following technical scheme：
IP-based multimedia transmission method, comprises the following steps：
Transmitting terminal obtains multi-medium data, and the multi-medium data includes source video data；
The source video data are converted to rgb video data or yuv video data by the transmitting terminal；
The transmitting terminal generates video data frame to the rgb video data or yuv video data encoding；
The video data frame package is generated transmitting terminal packet by the transmitting terminal；
The transmitting terminal is sent to receiving terminal the transmitting terminal packet by IP agreement；
The receiving terminal parses the transmitting terminal packet, obtains frame of display data；
The receiving terminal generates output end video data to the display data frame decoding.
Preferably, the IP-based multimedia transmission method is further comprising the steps of：
The transmitting terminal is by transmitting terminal control data package to the transmitting terminal packet；
The receiving terminal parses the transmitting terminal packet, obtains transmitting terminal control data.
Preferably, the IP-based multimedia transmission method is further comprising the steps of：
The receiving terminal is by receiving terminal control data package to receiving terminal packet；
The receiving terminal is sent to transmitting terminal the receiving terminal packet by IP agreement；
The transmitting terminal parses the receiving terminal packet, obtains the receiving terminal control data.
Preferably, the control data includes serial data or remote-control data.
Preferably, before data packet being obtained into packet, also to data encryption；
Parsing packet is obtained after data, also to data deciphering.
IP-based multi-media transmission system, including transmitting terminal and receiving terminal, the transmitting terminal include：
Acquisition module, is same as obtaining multi-medium data, and the multi-medium data includes source video data；
Modular converter, for the source video data to be converted into rgb video data or yuv video data；
Coding module, for the rgb video data or yuv video data encoding, generating video data frame；
First package module, for by the video data frame package, generating transmitting terminal packet；
First sending module, for being sent to receiving terminal the transmitting terminal packet by IP agreement；
The receiving terminal includes：
First parsing module, the transmitting terminal packet is parsed for the receiving terminal, obtains frame of display data；
Decoder module, for the display data frame decoding, generating output end video data.
Preferably, the first package module also includes control packet element, for the transmitting terminal by transmitting terminal control
Data packet is to the transmitting terminal packet；
First parsing module also includes control unwrapper unit, and the transmission end data is parsed for the receiving terminal
Bag, obtains transmitting terminal control data.
Preferably, the receiving terminal also includes：
Second package module, for the receiving terminal by receiving terminal control data package to receiving terminal packet；
Second sending module, is sent to transmitting terminal the receiving terminal packet by IP agreement for the receiving terminal；
The transmitting terminal also includes：
Second parsing module, the receiving terminal packet is parsed for the transmitting terminal, obtains the receiving terminal control number
According to.
Preferably, the second package module includes remote control packet element, for the receiving terminal by remote-control data package
To the receiving terminal packet；
Second parsing module includes remote control unwrapper unit, and the receiving terminal packet is parsed for the transmitting terminal,
Obtain the remote-control data.
IP-based multi-media transmission system, including：
First processor and for store the first memory of the executable instruction of first processor, second processing device with
And for storing the second memory of the executable instruction of second processing device；
The first processor is configured as：
Multi-medium data is obtained, the multi-medium data includes source video data；
The source video data are converted into rgb video data or yuv video data；
To the rgb video data or yuv video data encoding, video data frame is generated；
By the video data frame package, transmitting terminal packet is generated；
The transmitting terminal packet is sent to receiving terminal by IP agreement；
The second processing device is configured as：
The transmitting terminal packet is parsed, frame of display data is obtained；
To the display data frame decoding, output end video data is generated.
Compared to existing technology, the beneficial effects of the present invention are：It is original video by by the Video Quality Metric of multiple format
Data, such as RGB data or yuv data, enhance the versatility of video information；Then by ICP/IP protocol package, by data
Bag is transferred to receiving terminal by network communication equipments such as netting twine, wifi, routers, greatly extends the model of video information transmission
Enclose the compatibility with video information form.Receiving terminal carries out analytic solutions code after receiving video data bag, obtains what can be played
Video data.And multiple receiving terminals can be supported by network communication equipment, realize the multi-party display of same video.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the IP-based multimedia transmission method that the embodiment of the present invention one is provided.
Fig. 2 is the schematic flow sheet of the IP-based multimedia transmission method that the embodiment of the present invention two is provided.
Fig. 3 is a kind of application scenarios schematic diagram of IP-based multimedia transmission method in Fig. 2.
Fig. 4 is the structural representation of the IP-based multi-media transmission system that the embodiment of the present invention three is provided.
Fig. 5 is the structural representation of the IP-based multi-media transmission system that the embodiment of the present invention four is provided.
Specific embodiment
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Embodiment one：
IP-based multimedia transmission method as shown in Figure 1, comprises the following steps：
S110, transmitting terminal obtains multi-medium data, and the multi-medium data includes source video data；
The source video data are converted to rgb video data or yuv video data by S120, the transmitting terminal；Using height
Audio-visual Data collecting conversion technology, the Interface Video of different-format is converted to the TTL of rgb color space or yuv space
Digital interface data.
S130, the transmitting terminal generates video data frame to the rgb video data or yuv video data encoding；Using
Coding techniques is encoded to rgb video data, generates video data frame.Specific coding techniques can be by prior art reality
It is existing.
The video data frame package is generated transmitting terminal packet by S140, the transmitting terminal.ICP/IP protocol is defined
One bag for transmitting on the internet, referred to as IP datagram (IP Datagram).Transmitting terminal packet is to meet ICP/IP protocol
IP datagram, be made up of stem and data two parts.So as to realize can arriving video information transmission by ICP/IP protocol
In network or other equipment.
S150, the transmitting terminal is sent to receiving terminal the transmitting terminal packet by IP agreement.Receiving terminal can be with position
In another computer or another network equipment.
S160, the receiving terminal parses the transmitting terminal packet, obtains frame of display data；
S170, the receiving terminal generates output end video data to the display data frame decoding.Using general or own
Video decoding techniques, carry out decoded back to frame of display data, corresponding video data is generated to play out or change.
In another embodiment, audio, video data is reduced using high resolution audio and video interface conversion technology also, will be defeated
Go out to hold video data to be converted to meet and have HDMI, the data of the form such as DVI, VGA, SDI, AV, YPBPR, DP.
The IP-based multimedia transmission method that the present invention is provided is original video by by the Video Quality Metric of multiple format
Data, such as RGB data or yuv data, enhance the versatility of video information；Then by ICP/IP protocol package, by data
Bag is transferred to receiving terminal by network communication equipments such as netting twine, optical fiber, wifi, routers, greatly extends video information biography
Defeated scope and the compatibility of video information form.Receiving terminal is received and carry out after video data bag analytic solutions code, and obtaining can be with
The video data of broadcasting.And multiple receiving terminals can be supported by network communication equipment, realize the multi-party display of same video.
Embodiment two：
IP-based multimedia transmission method as shown in Figure 2, comprises the following steps：
S210, transmitting terminal obtains multi-medium data, and the multi-medium data includes source video data；
The source video data are converted to rgb video data or yuv video data by S220, the transmitting terminal；
S230, the transmitting terminal generates video data frame to the rgb video data or yuv video data encoding；
The video data frame package is generated transmitting terminal packet by S240, the transmitting terminal；It is described in the present embodiment
By the video data frame package, transmitting terminal packet is generated.Further, the transmitting terminal arrives transmitting terminal control data package
The transmitting terminal packet.
S250, the transmitting terminal is sent to receiving terminal the transmitting terminal packet by IP agreement.
S260, the receiving terminal parses the transmitting terminal packet, obtains frame of display data；Further, the receiving terminal
The transmitting terminal packet is parsed, transmitting terminal control data is also obtained.Control data may include the network for reflecting communication side
The information such as parameter, protocol parameter, video parameter, it is ensured that the correct transmission and parsing of multimedia messages；Can also include each
Plant control instruction.In the present embodiment, control data includes serial data or remote-control data.
S270, the receiving terminal generates output end video data to the display data frame decoding.
IP-based multimedia transmission method is further comprising the steps of：
S280, the receiving terminal is by receiving terminal control data package to receiving terminal packet；
S290, the receiving terminal is sent to transmitting terminal the receiving terminal packet by IP agreement；
S2a0, the transmitting terminal parses the receiving terminal packet, obtains the receiving terminal control data.Will receiving terminal
The control data of side is sent to transmitting terminal side.
Typically, receiving terminal package after IR remote controller receives control instruction, in receiving terminal packet, then sends
To transmitting terminal, after the transmitting terminal receives the control instruction, corresponding instruction is performed, such as transfer another section of video or boundary
Face, switching on and shutting down etc..
As a further improvement on the present invention, data packet is obtained into packet (transmitting terminal packet or reception end data
Bag) before, also to data encryption；Parsing packet is obtained after data, also to data deciphering, to strengthen video data in transmission
Security in process layer.
Present invention further proposes a kind of application scenarios of IP-based multimedia transmission method, as shown in Figure 3.
Video information transmitting terminal realizes that step is as follows：
1. high resolution audio and video Data collecting conversion technology is used, Interface Video is converted to the TTL of RGB/YUV color spaces
Digital interface data.
2. RGB/YUV video datas are encoded using general and own coding techniques, generate video data frame.
3. AES encryption technology is used, audio/video frames data are encrypted, key is 128-bit (16Byte) numbers to the maximum
According to combination.
4. IP network technology packet is used, package transmission is carried out to the audio, video data after encryption.
5. IP network technology packet is used, package transmission is carried out to serial port communication data.
6. IP network reception technique is used, the network package to serial port communication data is received, reduce serial data.
7. IP network reception technique is used, the network package to infrared sampled data is received, reduce infrared data
8. lay down a regulation unified header file, the species comprising video, the resolution ratio of video, color space, HDCP etc.
Relevant information is linked up and conversion with realizing the connection between each signal, so as to realize interconnecting.
Video information receiving terminal realizes that step is as follows：
1. IP network reception technique is used, network package data are received.
2. by the analysis of the header information to uniform rules, judge the signal format that transmitting terminal is sent, be this series
According to extraction necessary information.
3. AES decryption technologies are used, the network package data to receiving are decrypted, generate video requency frame data.
4. general and own video decoding techniques are used, decoded back is carried out to the audio/video frames data after decryption, it is raw
Into corresponding audio, video data.
5. high resolution audio and video interface conversion technology is used, line interface reduction is entered to audio, video data, video interface can have
HDMI, DVI, VGA, SDI, AV, YPBPR, DP etc..
6. IP network reception technique is used, the network package to serial port communication data is received, reduce serial data.
7. IP network transmission technology is used, network package transmission is carried out to serial port communication data.
8. IP network transmission technology is used, network package transmission is carried out to infrared sampled data.Embodiment three：
IP-based multi-media transmission system as shown in Figure 4, including transmitting terminal and receiving terminal, the transmitting terminal include：
Acquisition module 110, is same as obtaining multi-medium data, and the multi-medium data includes source video data；
Modular converter 120, for the source video data to be converted into rgb video data or yuv video data；
Coding module 130, for the rgb video data or yuv video data encoding, generating video data frame；
First package module 140, for by the video data frame package, generating transmitting terminal packet；
First sending module 150, for being sent to receiving terminal the transmitting terminal packet by IP agreement；
The receiving terminal includes：
First parsing module 160, the transmitting terminal packet is parsed for the receiving terminal, obtains frame of display data；
Decoder module 170, for the display data frame decoding, generating output end video data.
In another embodiment, the first package module 140 also includes control packet element (not shown), for described
Transmitting terminal is by transmitting terminal control data package to the transmitting terminal packet；First parsing module 160 also includes that control is solved
Bag unit (not shown), the transmitting terminal packet is parsed for the receiving terminal, obtains transmitting terminal control data.
As a further improvement on the present invention, the receiving terminal also includes also including：
Second package module 180, for the receiving terminal by receiving terminal control data package to receiving terminal packet；
Second sending module 190, is sent to transmission the receiving terminal packet by IP agreement for the receiving terminal
End；
The transmitting terminal also includes：
Second parsing module 1a0, the receiving terminal packet is parsed for the transmitting terminal, obtains the receiving terminal control
Data.
As a further improvement on the present invention, the second package module 180 includes remote control packet element (not shown), uses
In the receiving terminal by remote-control data package to the receiving terminal packet；
The second parsing module 1a0 includes remote control unwrapper unit (not shown), for being connect described in transmitting terminal parsing
Receiving end packet, obtains the remote-control data.
The method in system and previous embodiment in the present embodiment is two aspects being based under same inventive concept,
Above method implementation process is described in detail, thus those skilled in the art can according to it is described above clearly
The structure and implementation process of the system in this implementation are solved, it is succinct for specification, just repeat no more herein.
For convenience of description, it is divided into various modules with function during description system above to describe respectively.Certainly, this is being implemented
The function of each module can be realized in same or multiple softwares and/or hardware during invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Realized by the mode of software plus required general hardware platform.Based on such understanding, technical scheme essence
On the part that is contributed to prior art in other words can be embodied in the form of software product, the computer software product
Can store in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each embodiment of the invention or embodiment
Method described in part.
The system embodiment of description is only schematical, wherein the module illustrated as separating component or unit can
To be or may not be physically separate, the part illustrated as module or unit can be or may not be thing
Reason module, both may be located at a place, or can also be distributed on multiple mixed-media network modules mixed-medias.Can select according to the actual needs
Some or all of unit therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying wound
In the case that the property made is worked, you can to understand and implement.
The present invention can be used in numerous general or special purpose computing system environments or configuration.For example：Personal computer, service
Device computer, handheld device or portable set, laptop device, multicomputer system, the system based on microprocessor, machine top
Box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, including any of the above system or equipment
DCE etc., such as example IV.
Example IV：
IP-based multi-media transmission system as shown in Figure 5, including：
First processor 210 and first memory 310, for storing the executable instruction of first processor 210
Two processors 220 and the second memory 320 for storing the executable instruction of second processing device 220；
The first processor 210 is configured as：
Multi-medium data is obtained, the multi-medium data includes source video data；
The source video data are converted into rgb video data or yuv video data；
To the rgb video data or yuv video data encoding, video data frame is generated；
By the video data frame package, transmitting terminal packet is generated；
The transmitting terminal packet is sent to receiving terminal by IP agreement；
The second processing device 220 is configured as：
The receiving terminal parses the transmitting terminal packet, obtains frame of display data；
To the display data frame decoding, output end video data is generated.
The method in system and previous embodiment in the present embodiment is two aspects being based under same inventive concept,
Above method implementation process is described in detail, thus those skilled in the art can according to it is described above clearly
The structure and implementation process of the system in this implementation are solved, it is succinct for specification, just repeat no more herein.
System provided in an embodiment of the present invention, can be original video data by by the Video Quality Metric of multiple format, such as
RGB data or yuv data, enhance the versatility of video information；Then by ICP/IP protocol package, packet is passed through into net
The network communication equipments such as line, wifi, router are transferred to receiving terminal, greatly extend the scope and video of video information transmission
The compatibility of information format.Receiving terminal carries out analytic solutions code after receiving video data bag, obtains the video data that can be played.
And multiple receiving terminals can be supported by network communication equipment, realize the multi-party display of same video.
For a person skilled in the art, technical scheme that can be as described above and design, make other each
Plant corresponding change and deform, and all these changes and deforms the protection model that should all belong to the claims in the present invention
Within enclosing.
Claims (10)
1. IP-based multimedia transmission method, it is characterised in that comprise the following steps：
Transmitting terminal obtains multi-medium data, and the multi-medium data includes source video data；
The source video data are converted to rgb video data or yuv video data by the transmitting terminal；
The transmitting terminal generates video data frame to the rgb video data or yuv video data encoding；
The video data frame package is generated transmitting terminal packet by the transmitting terminal；
The transmitting terminal is sent to receiving terminal the transmitting terminal packet by IP agreement；
The receiving terminal parses the transmitting terminal packet, obtains frame of display data；
The receiving terminal generates output end video data to the display data frame decoding.
2. IP-based multimedia transmission method as claimed in claim 1, it is characterised in that further comprising the steps of：
The transmitting terminal is by transmitting terminal control data package to the transmitting terminal packet；
The receiving terminal parses the transmitting terminal packet, obtains transmitting terminal control data.
3. IP-based multimedia transmission method as claimed in claim 1, it is characterised in that further comprising the steps of：
The receiving terminal is by receiving terminal control data package to receiving terminal packet；
The receiving terminal is sent to transmitting terminal the receiving terminal packet by IP agreement；
The transmitting terminal parses the receiving terminal packet, obtains the receiving terminal control data.
4. as claimed in claim 2 or claim 3 IP-based multimedia transmission method, it is characterised in that：
The control data includes serial data or remote-control data.
5. the IP-based multimedia transmission method as any one of claim 1-3, it is characterised in that：
Before data packet is obtained into packet, also to data encryption；
Parsing packet is obtained after data, also to data deciphering.
6. IP-based multi-media transmission system, it is characterised in that：Including transmitting terminal and receiving terminal, the transmitting terminal includes：
Acquisition module, is same as obtaining multi-medium data, and the multi-medium data includes source video data；
Modular converter, for the source video data to be converted into rgb video data or yuv video data；
Coding module, for the rgb video data or yuv video data encoding, generating video data frame；
First package module, for by the video data frame package, generating transmitting terminal packet；
First sending module, for being sent to receiving terminal the transmitting terminal packet by IP agreement；
The receiving terminal includes：
First parsing module, the transmitting terminal packet is parsed for the receiving terminal, obtains frame of display data；
Decoder module, for the display data frame decoding, generating output end video data.
7. IP-based multi-media transmission system as claimed in claim 6, it is characterised in that：
The first package module also includes control packet element, for the transmitting terminal by transmitting terminal control data package to institute
State transmitting terminal packet；
First parsing module also includes control unwrapper unit, and the transmitting terminal packet is parsed for the receiving terminal, obtains
To transmitting terminal control data.
8. IP-based multi-media transmission system as claimed in claim 6, it is characterised in that：The receiving terminal also includes：
Second package module, for the receiving terminal by receiving terminal control data package to receiving terminal packet；
Second sending module, is sent to transmitting terminal the receiving terminal packet by IP agreement for the receiving terminal；
The transmitting terminal also includes：
Second parsing module, the receiving terminal packet is parsed for the transmitting terminal, obtains the receiving terminal control data.
9. IP-based multi-media transmission system as claimed in claim 8, it is characterised in that：
The second package module includes remote control packet element, for the receiving terminal by remote-control data package to the receiving terminal
Packet；
Second parsing module includes remote control unwrapper unit, and the receiving terminal packet is parsed for the transmitting terminal, obtains
The remote-control data.
10. IP-based multi-media transmission system, it is characterised in that including：
First processor and first memory, second processing device and use for storing the executable instruction of first processor
In the second memory of the executable instruction of storage second processing device；
The first processor is configured as：
Multi-medium data is obtained, the multi-medium data includes source video data；
The source video data are converted into rgb video data or yuv video data；
To the rgb video data or yuv video data encoding, video data frame is generated；
By the video data frame package, transmitting terminal packet is generated；
The transmitting terminal packet is sent to receiving terminal by IP agreement；
The second processing device is configured as：
The transmitting terminal packet is parsed, frame of display data is obtained；
To the display data frame decoding, output end video data is generated.
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| CN109412979A (en) * | 2018-11-16 | 2019-03-01 | 广东电网有限责任公司 | A kind of transmission method of multi-media signal, Transmission system and relevant apparatus |
| CN111083170A (en) * | 2019-12-31 | 2020-04-28 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving multimedia data |
| CN111277591A (en) * | 2020-01-19 | 2020-06-12 | 深圳市朗强科技有限公司 | Improved data sending and receiving method, device and system |
| CN112965750A (en) * | 2021-05-19 | 2021-06-15 | 北京小鸟科技股份有限公司 | Display and control system and method for IP multimedia resource |
| CN113365141A (en) * | 2021-05-10 | 2021-09-07 | 北京乐驾科技有限公司 | Wireless data transmission method, device and system |
| CN114401437A (en) * | 2022-01-10 | 2022-04-26 | 广东省翼瞰集成电路设计有限公司 | Method, system and related equipment for realizing function configuration through image data |
| WO2022121126A1 (en) * | 2020-12-09 | 2022-06-16 | 深圳市朗强科技有限公司 | High-definition video data sending method, high-definition video data receiving method, and device |
| CN117714736A (en) * | 2023-12-12 | 2024-03-15 | 广东保伦电子股份有限公司 | Video data transmission method, system and storage medium |
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Application publication date: 20170531 |