CN109672914A - A kind of data transmission method and system - Google Patents
A kind of data transmission method and system Download PDFInfo
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- CN109672914A CN109672914A CN201811514002.7A CN201811514002A CN109672914A CN 109672914 A CN109672914 A CN 109672914A CN 201811514002 A CN201811514002 A CN 201811514002A CN 109672914 A CN109672914 A CN 109672914A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000000739 chaotic effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 241001269238 Data Species 0.000 abstract 1
- 238000009877 rendering Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003550 marker Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The disclosure provides a kind of data transmission method and system, is related to the communications field, is able to solve user equipment and chaotic problem occurs when to multiple display equipment output audio, video datas.The specific technical proposal is: first by obtaining user video data and corresponding targeted output port being arranged, secondly targeted output port corresponding with transmission channel is determined at least one targeted output port, finally by object transmission channel, user video data are transmitted to targeted output port, the disclosure passes through object transmission channel and targeted output port, it can be realized export to corresponding display equipment specified in the case where connecting the output of multiple display equipment, even if hot-swappable event occurs, will not cause to send entanglement when exporting audio, video data.The present invention is transmitted for data.
Description
Technical field
This disclosure relates to the communications field more particularly to data transmission method and system.
Background technique
With the fast development of display technology, for more efficient more convenient and fast display image data, using the side of multi-screen
Formula shows the image data of different data sources.In the prior art, multiple display screens are connected by image data source, realizes that multi-screen is different
Aobvious display effect, but when the switching image data source of the hot-swappable realization by showing equipment, because of display equipment control
System processed can in default choice system first not no audio data the port display equipment equipment DP (DisplayPort, high definition
Digital display interface)) it is used as audio output, it may be assumed that and the image data shown in the display equipment originally can be automatically moved to remaining
Display equipment on, will lead to original image data source and show that the connection relationship of equipment is chaotic, even lead to privacy of user
Leakage.
Summary of the invention
The embodiment of the present disclosure provides a kind of data transmission method and system, is able to solve user equipment and sets to multiple displays
Chaotic problem occurs when standby output audio, video data.The technical solution is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of data transmission method is provided, this method comprises:
User video data are obtained, the corresponding targeted output port of user video data, object transmission channel are transmitted in setting,
And it marks；
According to mark information, transmission link is established, and transmission link is used to user video is transmitted to by transmission channel defeated
Exit port；
When transmission link disconnects, according to the corresponding object transmission channel of user video data, at least one output end
In mouthful, the determining targeted output port to match with object transmission channel；
According to targeted output port, transmission link is established again, and transmits user video data.
In one embodiment, a kind of data transmission method that the disclosure provides transmits user video data pair in setting
The targeted output port answered, object transmission channel, and when marking, comprising:
Obtain the address information of at least one output port；
According to address information, at least one output port is marked.
In one embodiment, a kind of data transmission method that the disclosure provides determines at least one output port
Targeted output port corresponding with user video data user's video data, comprising:
According to object transmission channel, target label information is determined；
Corresponding relationship is obtained, corresponding relationship refers to the corresponding pass between at least one output port and at least one mark
System；
According to target label information and corresponding relationship, corresponding targeted output port is determined.
In one embodiment, a kind of data transmission method that the disclosure provides, in transmission objectives data, further includes:
Obtain target setting information；
User video data are generated into target video data according to target setting information；
Transmission objectives video data is to object transmission channel.
In one embodiment, a kind of data transmission method that the disclosure provides, transmission user video data are defeated to target
After exit port, comprising:
Obtain audio user data corresponding with user video data；
According to the corresponding mark of user video data, the corresponding object transmission channel of audio user data is determined；
Pass through object transmission channel, transmission objectives audio data.
The data transmission method that the embodiment of the present disclosure provides, first by obtaining user video data and corresponding mesh being arranged
Mark transmission channel, targeted output port simultaneously mark, and establish transmission channel according to mark information；Occurring to disconnect in the transmission channel needs
When being again coupled to, according to the object transmission channel of user video Data Matching, the determining and mesh at least one output port
The corresponding targeted output port of output port is marked, finally by object transmission channel, it is defeated to target to transmit user video data
Exit port, the disclosure can be realized more in connection by matching user video data, object transmission channel and targeted output port
Specify output that will not cause to corresponding display equipment even if hot-swappable event occurs in the case where a display equipment output
Entanglement is sent when exporting audio, video data.
According to the second aspect of an embodiment of the present disclosure, a kind of data transmission system is provided, comprising: control module and driving mould
Block；Control module is connected with drive module；
Control module obtains user video data and marks, and object transmission channel and target output in drive module is arranged
Port is identical mark information；
According to mark information, control module and drive module establish transmission link；
When transmission link disconnects, control module traverses that object transmission in drive module is logical and target according to target label
Output port, it is determined whether have corresponding label；
When marking consistent, control module and drive module re-establish transmission link.
In one embodiment, the control module in a kind of data transmission system that the disclosure provides,
It is also used to obtain the address information of at least one output port；
And according to address information, at least one output port is marked.
In one embodiment, the control module in a kind of data transmission system that the disclosure provides, is also used to,
According to object transmission channel, target label information is determined；
Corresponding relationship is obtained, corresponding relationship refers to the corresponding pass between at least one output port and at least one mark
System；
According to target label information and corresponding relationship, corresponding targeted output port is determined in one embodiment, this public affairs
The control module in a kind of data transmission system of offer is opened, also
User video data are generated into target video number for obtaining target setting information, and according to target setting information
According to；And transmission objectives video data is to object transmission channel.
In one embodiment, the disclosure provide a kind of data transmission system in control module, be also used to obtain with
The corresponding audio user data of user video data；
And for determining the corresponding object transmission channel of audio user data according to the corresponding mark of user video data；
And for passing through object transmission channel, transmission objectives audio data.
The data transmission system that the embodiment of the present disclosure provides, first by obtaining user video data and corresponding mesh being arranged
Mark transmission channel, targeted output port simultaneously mark, and establish transmission channel according to mark information；Occurring to disconnect in the transmission channel needs
When being again coupled to, according to the object transmission channel of user video Data Matching, the determining and mesh at least one output port
The corresponding targeted output port of output port is marked, finally by object transmission channel, it is defeated to target to transmit user video data
Exit port, the disclosure can be realized more in connection by matching user video data, object transmission channel and targeted output port
Specify output that will not cause to corresponding display equipment even if hot-swappable event occurs in the case where a display equipment output
Entanglement is sent when exporting audio, video data.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart for data transmission method that the embodiment of the present disclosure provides；
Fig. 2 is a kind of interaction figure for data transmission system that the embodiment of the present disclosure provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Embodiment one
The embodiment of the present disclosure provides a kind of data transmission method, as shown in Figure 1, the data transmission method includes following step
It is rapid:
101, user video data, the corresponding targeted output port of setting transmission user video data, object transmission are obtained
Channel, and mark；
In an alternative embodiment, targeted output port is selected in display interface card physical output port, and e.g., DP connects
Mouth (DisplayPort, display interface) or HDMI interface (High Definition Multimedia Interface, height
Definition multimedia interface) or other display ports.
In an alternative embodiment, after obtaining user video data, at least one display interface card physics delivery outlet really
Set output terminal mouth, and it is targeted output port that the interface, which is arranged,.
By targeted output port being arranged, may be implemented the destination image data of user before data transmission starting
By the effect on any physical port all the way to multiple-channel output video card.Even if display hot plug events occur for equipment, still
The corresponding relationship of image data and video card physical port is not influenced.
In an alternative embodiment, in the corresponding targeted output port of setting transmission user video data, object transmission channel
When, first determine whether the transmission channel is free transfer channel.Free transfer channel refers to: if transmission channel is not marked all the way for certain
It is denoted as object transmission channel or does not transmit user data, then the transmission channel is marked as free transfer channel.
In an alternative embodiment, before determining object transmission corresponding with targeted output port channel, comprising:
Obtain the address information of at least one output port；
According to the address information, at least one output port is marked.
Obtain the address information of at least one transmission channel；
According to the address information, at least one transmission channel is marked.
102, according to mark information, transmission link is established.
Transmission link is used to that user video to be transmitted to output port by transmission channel.
In an alternative embodiment, transmission channel includes: image rendering module, image buffer storage module, display control module, number
According to coding module, a pipeline is formed；After obtaining user video data, rendering processing is carried out by image rendering module, is transmitted
For data after rendering to image buffer storage module, the user video data that rendering is completed are transmitted to display control by image buffer storage module
Molding block is transmitted to data coding module by display control module, encodes data by data coding module, converts
It can be used to communicate for display equipment, the signal form of transimission and storage, to realize a variety of different equipment of connection, can show
The technical effect shown.
In an alternative embodiment, at least one transmission channel is marked including to each composition mould in transmission channel
Block is all marked, to guarantee that transmission user video data pass through object transmission channel transfer to specified targeted output port.
That is when the label of the label of user video data, the label of transmission channel and output port is consistent, transmission link is established.
103, defeated at least one according to the corresponding object transmission channel of user video data when transmission link disconnects
The determining targeted output port to match with object transmission channel in exit port.
In an alternative embodiment, the determining target to match with object transmission channel exports at least one output port
Port, comprising:
According to object transmission channel, target label information is determined；
Corresponding relationship is obtained, which refers to the corresponding pass between at least one output port and at least one mark
System；
According to target label information and corresponding relationship, corresponding targeted output port is determined.
In an alternative embodiment, when transmission link disconnection needs occur with showing that equipment is again coupled to, as charged
When hot plug event, the object transmission channel of disclosure matching transmission user video data and the method for targeted output port are to lead to
Corresponding output port, keeps away when crossing preset target label information so as to quickly and accurately identify transmission user video data
Exempt from the prior art, video driver can find one and match currently without the video port being previously used, and eventually lead to this
The video of transmission channel is output to first not on the port of video data, violated data with and the one-to-one original in port
Then.
104, according to targeted output port, transmission link is established again, and transmits user video data.
In an alternative embodiment, when transmission objectives user video, further includes:
Obtain target setting information；
User video data are generated into target video data according to target setting information；
Transmission objectives video data is to object transmission channel.
In an alternative embodiment, obtaining target setting information is the display equipment that user video data are received by obtaining
Setting information generates, such as resolution ratio；And according to the setting information of the display equipment, user video data are handled, are such as contracted
Image is put, target video data is generated.
In an alternative embodiment, after transmission user video data to targeted output port, comprising:
Obtain audio user data corresponding with user video data；
According to the corresponding mark of user video data, the corresponding object transmission channel of audio user data is determined；
By object transmission channel, when transmitting the corresponding audio user data of user video data, by for user's sound
After frequency is according to setting object transmission channel, user video data and audio user data can be transferred to by same transmission channel
Same targeted output port realizes video and the matching that audio plays.
In an alternative embodiment, hot plug events needs occur in the corresponding targeted output port of user video data and shows
When showing that equipment is again coupled to, i.e., it needs to be determined that when user video data-out port, the disclosure first traverses all available videos
Output port, judge whether with currently occur the object transmission gap marker of hot plug it is identical, if the mark of a certain output port
It is identical as object transmission gap marker, then use the output port as video-out port；Correspondingly, with user video data
Corresponding audio user data can also be exported by the output port, to guarantee that sound draws matching.
The data transmission method that the embodiment of the present disclosure provides, first by obtaining user video data and corresponding mesh being arranged
Mark transmission channel, targeted output port simultaneously mark, and establish transmission channel according to mark information；Occurring to disconnect in the transmission channel needs
When being again coupled to, according to the object transmission channel of user video Data Matching, the determining and mesh at least one output port
The corresponding targeted output port of output port is marked, finally by object transmission channel, it is defeated to target to transmit user video data
Exit port, the disclosure can be realized more in connection by matching user video data, object transmission channel and targeted output port
Specify output that will not cause to corresponding display equipment even if hot-swappable event occurs in the case where a display equipment output
Entanglement is sent when exporting audio, video data.
Embodiment two
Based on the data transmission method that the corresponding embodiment of above-mentioned Fig. 1 provides, another embodiment of the disclosure provides a kind of number
According to Transmission system, system includes that this method can be applied to data transmission, and subject of implementation includes: control mould in this embodiment
Block and drive module；The method flow of the present embodiment the following steps are included:, do not represent the disclosure and be confined to this.Referring to Fig. 2 institute
Show, data transmission system provided in this embodiment, including control module and drive module, control module are connected with drive module
It connects；
201, control module obtains user video data, and object transmission channel and target output in drive module is arranged
Mouth is identical mark information.
In an alternative embodiment, targeted output port is selected in display interface card physical output port, and e.g., DP connects
Mouth (DisplayPort, display interface) or HDMI interface (High Definition Multimedia Interface, height
Definition multimedia interface) or other display ports.
In an alternative embodiment, after control module obtains user video data, setting transmission user video data are corresponding
Object transmission channel and targeted output port, and setting flag information mark object transmission channel and targeted output port.It is setting
Before setting the corresponding object transmission channel of transmission user video data and targeted output port, first determine the transmission channel whether be
Free transfer channel.Free transfer channel refers to: if transmission channel is not labeled as object transmission channel or does not pass all the way for certain
Defeated user data, then the transmission channel is marked as free transfer channel.
In an alternative embodiment, before determining object transmission corresponding with targeted output port channel, comprising:
Obtain the address information of at least one output port；
According to the address information, at least one output port is marked.
202, transmission link is established according to mark information, control module and drive module.
User video is passed through object transmission channel transfer to targeted output port for control module by transmission link.
In an alternative embodiment, transmission channel includes: image rendering module, image buffer storage module, display control module, number
According to coding module, a pipeline is formed；After obtaining user video data, rendering processing is carried out by image rendering module, is transmitted
For data after rendering to image buffer storage module, the user video data that rendering is completed are transmitted to display control by image buffer storage module
Molding block is transmitted to data coding module by display control module, encodes data by data coding module, converts
It can be used to communicate for display equipment, the signal form of transimission and storage, to realize a variety of different equipment of connection, can show
The technical effect shown.
203, when transmission link disconnects, control module according to target label, traverse object transmission in drive module it is logical and
The mark information of targeted output port, it is determined whether have corresponding label.
In an alternative embodiment, control module first determines that the corresponding target label of user video data and corresponding target pass
It is defeated logical；
Corresponding relationship is obtained again, and corresponding relationship refers to the mapping relations of at least one output port and mark information；
According to corresponding relationship and target label, targeted output port identical with target label is determined.
204, when object transmission channel is consistent with the label of targeted output port, control module is built again with drive module
Transmission link of writing a biography transmits user video data.
The data transmission system that the embodiment of the present disclosure provides, first by obtaining user video data and corresponding mesh being arranged
Mark transmission channel, targeted output port simultaneously mark, and establish transmission channel according to mark information；Occurring to disconnect in the transmission channel needs
When being again coupled to, according to the object transmission channel of user video Data Matching, the determining and mesh at least one output port
The corresponding targeted output port of output port is marked, finally by object transmission channel, it is defeated to target to transmit user video data
Exit port, the disclosure can be realized more in connection by matching user video data, object transmission channel and targeted output port
Specify output that will not cause to corresponding display equipment even if hot-swappable event occurs in the case where a display equipment output
Entanglement is sent when exporting audio, video data.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of data transmission method, which is characterized in that the described method includes:
User video data are obtained, the corresponding targeted output port of the user video data, object transmission channel are transmitted in setting,
And it marks；
According to the mark information, transmission link is established, the transmission link is used for the user through the transmission channel
Transmission of video is to the output port；
It is defeated at least one according to the corresponding object transmission channel of the user video data when the transmission link disconnects
In exit port, the determining targeted output port to match with the object transmission channel；
According to the targeted output port, transmission link is established again, and transmits the user video data.
2. data transmission method according to claim 1, which is characterized in that the user video data are transmitted in the setting
Corresponding targeted output port, object transmission channel, and mark, comprising:
Obtain the address information of at least one output port；
According to the address information, at least one output port is marked.
3. data transmission method according to claim 1, which is characterized in that described to be determined at least one output port
Targeted output port corresponding with the user video data user video data, comprising:
According to the object transmission channel, target label information is determined；
Corresponding relationship is obtained, the corresponding relationship refers to the corresponding pass between at least one output port and at least one mark
System；
According to the target label information and the corresponding relationship, corresponding targeted output port is determined.
4. data transmission method according to claim 1, which is characterized in that when the transmission target data, also wrap
It includes:
Obtain target setting information；
The user video data are generated into target video data according to the target setting information；
The target video data is transmitted to object transmission channel.
5. data transmission method according to claim 1, which is characterized in that the transmission user video data to mesh
After mark output port, comprising:
Obtain audio user data corresponding with the user video data；
According to the corresponding mark of the user video data, the corresponding object transmission channel of the audio user data is determined；
By the object transmission channel, the target audio data are transmitted.
6. a kind of data transmission system, which is characterized in that the system comprises control module and drive modules；The control mould
Block is connected with the drive module；
The control module obtains user video data and marks, object transmission channel and target in the drive module is arranged
Output port is identical mark information；
According to the mark information, the control module and the drive module establish transmission link；
When the transmission link disconnects, the control module traverses object transmission in the drive module according to target label
Logical and targeted output port, it is determined whether have corresponding label；
When the label is consistent, the control module and the drive module re-establish transmission link.
7. system according to claim 6, which is characterized in that the control module,
It is also used to obtain the address information of at least one output port；
And according to the address information, at least one output port is marked.
8. system according to claim 6, which is characterized in that the control module is also used to,
According to the object transmission channel, target label information is determined；
Corresponding relationship is obtained, the corresponding relationship refers to the corresponding pass between at least one output port and at least one mark
System；
According to the target label information and the corresponding relationship, corresponding targeted output port is determined.
9. system according to claim 6, which is characterized in that the control module, also
The user video data are generated into target video for obtaining target setting information, and according to the target setting information
Data；And the target video data is transmitted to object transmission channel.
10. system according to claim 6, which is characterized in that further include: control module is also used to obtain and the use
The corresponding audio user data of family video data；
And for determining that the corresponding object transmission of the audio user data is logical according to the corresponding mark of the user video data
Road；
And for transmitting the target audio data by the object transmission channel.
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| CN201811514002.7A CN109672914B (en) | 2018-12-12 | 2018-12-12 | Data transmission method and system |
| CN202210080250.5A CN115086723B (en) | 2018-12-12 | 2018-12-12 | Data transmission method and system |
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| CN109672914B (en) | 2022-01-11 |
| CN115086723A (en) | 2022-09-20 |
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