CN115086723A - Data transmission method and system - Google Patents
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 177
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 6
- 238000009877 rendering Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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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, rendering scenes according to MPEG-4 scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
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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, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
Abstract
The disclosure provides a data transmission method and a data transmission system, relates to the field of communication, and can solve the problem that user equipment is disordered when outputting audio and video data to a plurality of display equipment. The specific technical scheme is as follows: according to the method, the user video data are acquired and the corresponding target output ports are set, the target output port corresponding to the transmission channel is determined in at least one target output port, and finally the user video data are transmitted to the target output port through the target transmission channel. The invention is used for data transmission.
Description
The application is a Chinese patent office filed in 12 months and 12 days in 2018, and the application number is
201811514002.7, application for divisional application of Chinese patent entitled "a data transmission method and system".
Technical Field
The present disclosure relates to the field of communications, and in particular, to a data transmission method and system.
Background
With the rapid development of display technologies, in order to display image data more efficiently and more conveniently, image data of different data sources are displayed in a multi-screen mode. In the prior art, a plurality of display screens are connected through an image data source, so that a display effect of multi-screen different display is achieved, but when the image data source is switched by hot plug of a display device, a display device control system may default to select a first display device DP port (display port, high definition digital display interface)) without audio data in a system as an audio output, that is: originally, the image data displayed on the display device can be automatically moved to the rest display devices, which can cause the confusion of the connection relationship between the original image data source and the display devices, and even cause the disclosure of the user privacy.
Disclosure of Invention
The embodiment of the disclosure provides a data transmission method and a data transmission system, which can solve the problem that user equipment is disordered when outputting audio and video data to a plurality of display equipment. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a data transmission method, including:
acquiring user video data, setting a target output port and a target transmission channel corresponding to the transmission of the user video data, and marking;
establishing a transmission link according to the marking information, wherein the transmission link is used for transmitting the user video to an output port through a transmission channel;
when the transmission link is disconnected, determining a target output port matched with the target transmission channel in at least one output port according to the target transmission channel corresponding to the user video data;
and according to the target output port, establishing the transmission link again and transmitting the user video data.
In one embodiment, a data transmission method provided by the present disclosure, when setting and marking a target output port and a target transmission channel corresponding to transmitting user video data, includes:
acquiring address information of at least one output port;
at least one output port is marked according to the address information.
In one embodiment, the present disclosure provides a data transmission method, determining a target output port corresponding to user video data in at least one output port, including:
determining target mark information according to the target transmission channel;
acquiring a corresponding relation, wherein the corresponding relation refers to the corresponding relation between at least one output port and at least one identifier;
and determining a corresponding target output port according to the target mark information and the corresponding relation.
In one embodiment, the data transmission method provided by the present disclosure further includes, when transmitting target data:
acquiring target setting information;
generating target video data from the user video data according to the target setting information;
and transmitting the target video data to the target transmission channel.
In one embodiment, a data transmission method provided by the present disclosure, after transmitting user video data to a target output port, includes:
acquiring user audio data corresponding to the user video data;
determining a target transmission channel corresponding to the user audio data according to the identifier corresponding to the user video data;
the target audio data is transmitted through the target transmission channel.
The data transmission method provided by the embodiment of the disclosure comprises the steps of firstly, acquiring user video data, setting a corresponding target transmission channel and a corresponding target output port, marking, and establishing a transmission channel according to marking information; when the transmission channel is disconnected and needs to be connected again, a target output port corresponding to the target output port is determined in at least one output port according to a target transmission channel matched with user video data, and finally the user video data is transmitted to the target output port through the target transmission channel.
According to a second aspect of the embodiments of the present disclosure, there is provided a data transmission system including: the control module and the driving module; the control module is connected with the driving module;
the control module acquires and marks user video data, and sets a target transmission channel and a target output port in the driving module to be the same marking information;
according to the marking information, the control module and the driving module establish a transmission link;
when the transmission link is disconnected, the control module traverses a target transmission through port and a target output port in the driving module according to the target mark and determines whether a corresponding mark exists;
and when the marks are consistent, the control module and the driving module reestablish the transmission link.
In one embodiment, the present disclosure provides a control module in a data transmission system,
the device is also used for acquiring the address information of at least one output port;
and marking at least one output port according to the address information.
In one embodiment, the present disclosure provides a control module in a data transmission system, further configured to,
determining target mark information according to a target transmission channel;
acquiring a corresponding relation, wherein the corresponding relation refers to the corresponding relation between at least one output port and at least one identifier;
in an embodiment, the control module in the data transmission system provided by the present disclosure further determines a corresponding target output port according to the target mark information and the corresponding relationship
The system comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for acquiring target setting information and generating target video data from user video data according to the target setting information; and transmits the target video data to the target transmission channel.
In an embodiment, the control module in a data transmission system provided by the present disclosure is further configured to obtain user audio data corresponding to user video data;
the target transmission channel corresponding to the user audio data is determined according to the identification corresponding to the user video data;
and is used to transmit the target audio data through the target transmission channel.
The data transmission system provided by the embodiment of the disclosure firstly acquires user video data and sets a corresponding target transmission channel and a target output port and marks the data, and establishes a transmission channel according to the marking information; when the transmission channel is disconnected and needs to be connected again, a target output port corresponding to the target output port is determined in at least one output port according to a target transmission channel matched with user video data, and finally the user video data is transmitted to the target output port through the target transmission channel.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart of a data transmission method provided by an embodiment of the present disclosure;
fig. 2 is an interaction diagram of a data transmission system according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Example one
An embodiment of the present disclosure provides a data transmission method, as shown in fig. 1, the data transmission method includes the following steps:
101. acquiring user video data, setting a target output port and a target transmission channel corresponding to the transmission of the user video data, and marking;
in an alternative embodiment, the target output port is selected from the display Interface card physical output ports, such as a DP Interface (display Interface) or an HDMI Interface (High Definition Multimedia Interface) or other display ports.
In an alternative embodiment, after the user video data is acquired, an output port is determined among at least one display interface card physical output port, and the interface is set as a target output port.
By setting the target output port before the data transmission is started, the effect of transmitting the target image data of the user to any physical port of the multi-output display card can be realized. Even if the device generates a hot plug event of the display, the corresponding relation between the image data and the physical port of the display card is still not influenced.
In an alternative embodiment, when a target output port and a target transmission channel corresponding to the video data of the transmission user are set, it is determined whether the transmission channel is an idle transmission channel. The idle transmission channel is: if a certain transmission channel is not marked as a target transmission channel or does not transmit user data, the transmission channel is marked as an idle transmission channel.
In an alternative embodiment, determining the destination transmission channel corresponding to the destination output port comprises:
acquiring address information of at least one output port;
at least one output port is marked according to the address information.
Acquiring address information of at least one transmission channel;
marking at least one transmission channel according to the address information.
102. And establishing a transmission link according to the marking information.
The transmission link is used to transmit user video to the output port via the transmission channel.
In an alternative embodiment, the transmission channel comprises: the system comprises an image rendering module, an image caching module, a display control module and a data coding module, which form a pipeline; after user video data are obtained, rendering processing is carried out through the image rendering module, the rendered data are transmitted to the image caching module, the rendered user video data are transmitted to the display control module through the image caching module, the rendered user video data are transmitted to the data coding module through the display control module, the data are coded and converted into signal forms which can be used for communication, transmission and storage of display equipment through the data coding module, and therefore the technical effects that various different kinds of equipment can be connected and can be displayed are achieved.
In an alternative embodiment, marking at least one transmission channel includes marking each component module in the transmission channel to ensure that the transmission user video data is transmitted to the designated target output port through the target transmission channel. I.e. the marking of the user video data, the marking of the transmission channel and the marking of the output port coincide, a transmission link is established.
103. When the transmission link is disconnected, a target output port matched with the target transmission channel is determined in at least one output port according to the target transmission channel corresponding to the user video data.
In an alternative embodiment, determining a target output port matching the target transmission channel among the at least one output port includes:
determining target mark information according to the target transmission channel;
acquiring a corresponding relation, wherein the corresponding relation refers to the corresponding relation between at least one output port and at least one identifier;
and determining a corresponding target output port according to the target mark information and the corresponding relation.
In an optional embodiment, when a transmission link is disconnected and needs to be reconnected with a display device, for example, a hot plug event occurs, the method for matching the target transmission channel for transmitting the user video data with the target output port disclosed by the present disclosure is to accurately and quickly identify the corresponding output port for transmitting the user video data through preset target mark information, so as to avoid that, in the prior art, a video card driver searches for a video port which is not used currently for matching, and finally, the video of the transmission path is output to a first port without video data, which violates the principle that data and the port are in one-to-one correspondence.
104. And according to the target output port, establishing the transmission link again and transmitting the user video data.
In an optional embodiment, when transmitting the target user video, the method further includes:
acquiring target setting information;
generating target video data from the user video data according to the target setting information;
and transmitting the target video data to the target transmission channel.
In an alternative embodiment, the acquisition target setting information is generated by acquiring setting information, such as resolution, of a display device receiving the user video data; and processes the user video data, such as scaling an image, according to the setting information of the display device to generate target video data.
In an alternative embodiment, after transmitting the user video data to the target output port, the method includes:
acquiring user audio data corresponding to the user video data;
determining a target transmission channel corresponding to the user audio data according to the identifier corresponding to the user video data;
when the user audio data corresponding to the user video data is transmitted through the target transmission channel, the user video data and the user audio data can be transmitted to the same target output port through the same transmission channel after the target transmission channel is set for the user audio data, and the matching of video and audio playing is realized.
In an optional embodiment, when a hot plug event occurs to a target output port corresponding to user video data and needs to be connected with the display device again, that is, when the user video data output port needs to be determined, the disclosure first traverses all available video output ports, judges whether the identifier of the target output port is the same as the identifier of a target transmission channel which currently has a hot plug, and if the identifier of a certain output port is the same as the identifier of the target transmission channel, uses the output port as the video output port; correspondingly, the user audio data corresponding to the user video data can also be output through the output port, so that the sound and picture matching is ensured.
The data transmission method provided by the embodiment of the disclosure comprises the steps of firstly, acquiring user video data, setting a corresponding target transmission channel and a corresponding target output port, marking, and establishing a transmission channel according to marking information; when the transmission channel is disconnected and needs to be connected again, a target output port corresponding to the target output port is determined in at least one output port according to a target transmission channel matched with user video data, and finally the user video data is transmitted to the target output port through the target transmission channel.
Example two
Based on the data transmission method provided by the embodiment corresponding to fig. 1, another embodiment of the present disclosure provides a data transmission system, where the system includes that the method can be applied to data transmission, and in this embodiment, the implementation main body includes: the control module and the driving module; the method flow of the embodiment comprises the following steps: and does not represent a limitation of the present disclosure. Referring to fig. 2, the data transmission system provided in this embodiment includes a control module and a driving module, where the control module is connected to the driving module;
201. the control module acquires user video data and sets a target transmission channel and a target output port in the driving module to be the same marking information.
In an alternative embodiment, the target output port is selected from the display Interface card physical output ports, such as a DP Interface (display Interface) or an HDMI Interface (High Definition Multimedia Interface) or other display ports.
In an optional embodiment, after the control module obtains the user video data, a target transmission channel and a target output port corresponding to the user video data are set, and the target transmission channel and the target output port are marked by setting marking information. Before setting a target transmission channel and a target output port corresponding to transmission user video data, determining whether the transmission channel is an idle transmission channel. The idle transmission channel is: if a certain transmission channel is not marked as a target transmission channel or does not transmit user data, the transmission channel is marked as an idle transmission channel.
In an alternative embodiment, determining the destination transmission channel corresponding to the destination output port comprises:
acquiring address information of at least one output port;
at least one output port is marked according to the address information.
202. And according to the marking information, the control module and the driving module establish a transmission link.
The transmission link is used for transmitting the user video to the target output port through the target transmission channel by the control module.
In an alternative embodiment, the transmission channel comprises: the system comprises an image rendering module, an image caching module, a display control module and a data coding module, which form a pipeline; after user video data are obtained, rendering processing is carried out through the image rendering module, the rendered data are transmitted to the image caching module, the rendered user video data are transmitted to the display control module through the image caching module, the rendered user video data are transmitted to the data coding module through the display control module, the data are coded and converted into signal forms which can be used for communication, transmission and storage of display equipment through the data coding module, and therefore the technical effects that various different kinds of equipment can be connected and can be displayed are achieved.
203. When the transmission link is disconnected, the control module traverses the mark information of the target transmission pass and the target output port in the driving module according to the target mark and determines whether a corresponding mark exists.
In an optional embodiment, the control module determines a target mark corresponding to the user video data and a corresponding target transmission channel;
then acquiring a corresponding relation, wherein the corresponding relation refers to the mapping relation between at least one output port and the mark information;
and determining the target output port which is the same as the target mark according to the corresponding relation and the target mark.
204. And when the marks of the target transmission channel and the target output port are consistent, the control module and the driving module reestablish a transmission link to transmit the user video data.
The data transmission system provided by the embodiment of the disclosure firstly acquires user video data and sets a corresponding target transmission channel and a target output port and marks the data, and establishes a transmission channel according to the marking information; when the transmission channel is disconnected and needs to be connected again, a target output port corresponding to the target output port is determined in at least one output port according to a target transmission channel matched with user video data, and finally the user video data is transmitted to the target output port through the target transmission channel.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (11)
1. A method of data transmission, the method comprising:
acquiring user video data;
determining a target output port and a target transmission channel for transmitting the user video data in the plurality of output ports and the plurality of transmission channels; wherein the target output port corresponds to a target display device;
marking the target output port, the target transmission channel and the user video data, and establishing a transmission link from the target transmission channel to the target output port, so as to transmit the user video data through the transmission link;
when the transmission link is disconnected, determining a target output port matched with the target transmission channel in at least one output port, and establishing the transmission link again;
wherein the determining a target output port corresponding to the user video data among the at least one output port comprises:
determining target mark information corresponding to the user video data;
acquiring a corresponding relation, wherein the corresponding relation refers to the corresponding relation between at least one output port and at least one piece of mark information;
and determining a corresponding target output port according to the target mark information and the corresponding relation.
2. The data transmission method of claim 1, wherein after determining a target output port matching the target transmission channel, the method further comprises:
and according to the target output port, establishing a transmission link again, and transmitting the user video data.
3. The data transmission method according to claim 1, wherein said marking the target output port, target transmission channel and the user video data comprises:
and setting the same mark information for the target output port, the target transmission channel and the user video data.
4. The data transmission method according to claim 1 or 2, wherein said transmitting said user video data comprises:
acquiring target setting information;
generating target video data from the user video data according to the target setting information;
and transmitting the target video data to a target transmission channel.
5. The data transmission method according to claim 1 or 2, wherein after the transmitting the user video data, further comprising:
acquiring user audio data corresponding to the user video data;
transmitting a channel according to a target corresponding to the user video data;
and transmitting the target audio data through the target transmission channel.
6. The data transmission method according to claim 1, wherein the determining a corresponding target output port according to the target mark information and the correspondence includes:
determining an output port marked by the target marking information from the corresponding relation;
the determined output port is determined as the target output port.
7. A data transmission system is characterized by comprising a control module and a driving module; the control module is connected with the driving module;
the control module acquires and marks user video data, and sets a target transmission channel and a target output port in the driving module to be the same mark information, wherein the target output port corresponds to target display equipment;
marking the target output port, the target transmission channel and the user video data, and according to the marking information, establishing a transmission link between the control module and the driving module so as to transmit the user video data through the transmission link;
when the transmission link is disconnected, the control module traverses a target transmission pass and a target output port in the driving module according to a target mark, and determines whether a corresponding mark exists, so that a target output port matched with the target transmission channel is determined in at least one output port;
when the marks are consistent, the control module and the driving module reestablish a transmission link;
wherein the determining a target output port corresponding to the user video data among the at least one output port comprises:
determining target mark information according to a target transmission channel;
acquiring a corresponding relation, wherein the corresponding relation refers to the corresponding relation between at least one output port and at least one identifier;
and determining a corresponding target output port according to the target mark information and the corresponding relation.
8. The system of claim 7, wherein the control module is further configured to,
and establishing a transmission link with the driving module again according to the target output port, and transmitting the user video data.
9. The system of claim 7, wherein the control module is further configured to,
and setting the same mark information for the target output port, the target transmission channel and the user video data.
10. The system of claim 7, wherein the control module is further configured to control the power converter to operate in a power-saving mode
Acquiring target setting information, and generating target video data from the user video data according to the target setting information;
and transmitting the target video data to a target transmission channel.
11. The system of claim 7, further comprising: control module for
Acquiring user audio data corresponding to the user video data;
the target transmission channel corresponding to the user audio data is determined according to the identifier corresponding to the user video data;
and is used for transmitting the target audio data through the target transmission channel.
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| CN116389353A (en) * | 2023-06-02 | 2023-07-04 | 成都瑞华康源科技有限公司 | Inter-operation video automatic route control system and method based on operation process |
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| CN109672914A (en) | 2019-04-23 |
| CN109672914B (en) | 2022-01-11 |
| CN115086723B (en) | 2024-02-20 |
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