CN111045624A - Multi-screen simultaneous display method, display terminal and computer readable storage medium - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
Abstract
The invention provides a multi-screen simultaneous display method, a display terminal and a computer readable storage medium, wherein the method comprises the following steps: when an online command is received, video requests are sent to all display terminals corresponding to the online command, and an online room is established with the display terminals after information fed back by the display terminals according to the video requests is received; controlling a connected microphone to receive audio data in real time so as to convert the audio data into character data and obtain a currently displayed picture in real time; and transmitting the audio data to all other display terminals in the online room, and simultaneously transmitting the combined text data and pictures to all other display terminals for display. The acquired audio data, the acquired text data and the display picture of the current display terminal are transmitted to the display terminal in the online state in real time to be displayed, so that the multiple terminals can display the same picture, the influence on the stability of the audio due to a network or a communication environment is avoided, and the communication among the multiple terminals is clearer.
Description
Technical Field
The invention relates to the field of terminal display, in particular to a multi-screen simultaneous display method, a display terminal and a computer readable storage medium.
Background
With the development of terminal devices, people-to-people communication is more and more convenient, however, when people use a display terminal, for example, when the display terminal is used to participate in an online conference discussion scheme, video can only be performed through a camera of the terminal, and the scheme and communication record which a speaker wants to display cannot be displayed to each user participating in the conference. Meanwhile, the voice communication between the terminals is unstable under the influence of the network environment and the environment where the terminals are located.
Disclosure of Invention
The invention mainly aims to provide a multi-screen simultaneous display method, a display terminal and a computer readable storage medium, and aims to solve the problem that communication is affected because the connected display terminals cannot display the same picture and voice communication is unstable in the prior art.
In order to achieve the above object, the present invention provides a multi-screen simultaneous display method, which comprises the steps of:
when an online command is received, video requests are sent to all display terminals corresponding to the online command, and an online room is established with the display terminals after information fed back by the display terminals according to the video requests is received;
controlling a connected microphone to receive audio data in real time so as to convert the audio data into character data and obtain a currently displayed picture in real time;
and transmitting the audio data to all other display terminals in the online room, and simultaneously transmitting the combined text data and the combined picture to all other display terminals for display.
Optionally, the step of controlling the connected microphone to receive audio data in real time includes:
and sending a voice acquisition instruction to a display terminal in the online room so as to control a microphone correspondingly connected with the display terminal to receive and feed back audio data in real time according to the voice acquisition instruction.
Optionally, after the step of transmitting the audio data to all other display terminals in the online room, and simultaneously combining the text data and the picture and transmitting the combined text data to all other display terminals for display, the method further includes:
and acquiring the source information of the display terminal feeding back the audio data, and controlling the source information of the display terminal to be displayed on all display terminals in the online room.
Optionally, the voice acquiring instruction includes a designated display terminal identifier;
the step of sending the voice acquisition instruction to the display terminal in the online room to control a microphone correspondingly connected with the display terminal to receive and feed back audio data in real time according to the voice acquisition instruction comprises the following steps:
and sending a voice acquisition instruction comprising the appointed display terminal identification to a display terminal in an online room so that a microphone connected with the display terminal corresponding to the display terminal identification receives and feeds back audio data in real time according to the voice acquisition instruction.
Optionally, before the step of acquiring a currently displayed picture in real time, the method further includes:
determining a playing source of a current display picture;
when the playing source is the network video, obtaining a cache file corresponding to the network video;
the step of acquiring the currently displayed picture in real time comprises the following steps:
optionally, the method further comprises:
detecting whether a change instruction of a user is received in real time;
and when the change instruction of the user is received, deleting or adding a display terminal to a display terminal list corresponding to the online room according to the change instruction.
Optionally, when the online command is received, the step of initiating a video request to all display terminals corresponding to the online command includes:
when an online command is received, acquiring a preset common contact terminal table and display terminal information of online requested by the online command;
judging whether the display terminal information is matched with the preset common contact terminal table or not;
and if not, initiating a video request to a display terminal corresponding to the display terminal information to establish an online room with the display terminal after receiving information fed back by the display terminal according to the video request.
Optionally, the step of determining whether the display terminal information matches the preset common contact terminal table further includes:
and if so, initiating a video request to a display terminal corresponding to the display terminal information to establish an online room with the display terminal.
To achieve the above object, the present invention further provides a display terminal, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the multi-screen simultaneous display method as described above.
To achieve the above object, the present invention further provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the multi-screen simultaneous display method as described above.
According to the multi-screen simultaneous display method, the display terminals and the computer readable storage medium, when an online command is received, video requests are sent to all the display terminals corresponding to the online command, and an online room is established with the display terminals after information fed back by the display terminals according to the video requests is received; controlling a connected microphone to receive audio data in real time so as to convert the audio data into character data and obtain a currently displayed picture in real time; and transmitting the audio data to all other display terminals in the online room, and simultaneously transmitting the combined text data and the combined picture to all other display terminals for display. The acquired audio data and the display picture of the current display terminal are transmitted to the display terminal in the online state in real time to be displayed, so that multiple terminals can display the same picture, and communication among multiple users is more convenient. By converting the audio data into the text data and combining the text data with the picture, the influence of the network environment or the communication environment on the stability of the audio is avoided, and the communication among multiple terminals is clearer and clearer.
Drawings
FIG. 1 is a flowchart illustrating a multi-screen co-display method according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a step S10 of a multi-screen displaying method according to a sixth embodiment of the present invention;
fig. 3 is a schematic structural diagram of a module of the display terminal according to the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a multi-screen simultaneous display method, referring to fig. 1, fig. 1 is a flow diagram of a first embodiment of the multi-screen simultaneous display method of the invention, the method includes the steps:
step S10, when receiving the online command, initiating a video request to all display terminals corresponding to the online command, so as to establish an online room with the display terminals after receiving information fed back by the display terminals according to the video request;
when an online command sent by a user is received, a display terminal needing to be online is obtained from the online command, and the display terminal can be single or multiple. Sending a video request to the display terminals, wherein the display terminals can select to perform online operation with the local computer or reject the operation after receiving the video request, after receiving feedback information that any display terminal accepts the video request, establishing an online room, creating a user form, adding the display terminals into the user form to enable the display terminals to be accessed into the online room, and adding the corresponding display terminals into the user form when receiving the feedback information that other display terminals receive the video request, so that the corresponding display terminals are accessed into the online room. It should be noted that the video request initiation and the online room establishment may be performed through a network cable or an internet or a local area network accessed by WIFI, may be performed through a bluetooth connection, may be performed through a combination of the above schemes, and the like.
Step S20, controlling a connected microphone to receive audio data in real time so as to convert the audio data into character data and obtain a currently displayed picture in real time;
the connected microphone can be a microphone connected on a hardware structure of the mobile phone, and can also be a microphone connected with other display terminals in an online room. Wherein, when the connected microphone is a microphone to which the other display terminal is connected, the step S20 may include the steps of:
and step S21, sending a voice acquisition instruction to a display terminal in the online room so as to control a microphone correspondingly connected with the display terminal to receive and feed back audio data in real time according to the voice acquisition instruction.
The method comprises the steps that audio data are obtained through the microphone, the audio data are obtained through conversion of sound emitted by a user and obtained through the microphone, and after the audio data are obtained, voice recognition is conducted on the audio data through voice recognition software to obtain character data corresponding to the audio data. The currently displayed picture can be obtained in different manners according to the display content of the current picture, for example, when the currently displayed picture is a program selection interface, the currently displayed picture can be obtained in a screen recording manner, and when the currently displayed picture is obtained by playing a certain file, the currently displayed picture can be obtained by obtaining the played file. It can be understood that, at the same time of acquiring the current display screen, the audio corresponding to the current display screen is acquired synchronously.
And step S30, transmitting the audio data to all other display terminals in the online room, and simultaneously transmitting the combined text data and the combined picture to all other display terminals for display.
And transmitting the audio data acquired by the microphone to all other display terminals in the online room, and switching on and off the playing of the audio data by other display terminals according to actual requirements, wherein the combining of the text data and the picture can be displaying the text data on the picture in a list form, or displaying the text data on the picture in a roll caption form, and the like.
In this embodiment, when an online command is received, a video request is initiated to all display terminals corresponding to the online command, so as to establish an online room with the display terminals after receiving information fed back by the display terminals according to the video request; controlling a connected microphone to receive audio data in real time so as to convert the audio data into character data and obtain a currently displayed picture in real time; and transmitting the audio data to all other display terminals in the online room, and simultaneously transmitting the combined text data and the combined picture to all other display terminals for display. The acquired audio data and the display picture of the current display terminal are transmitted to the display terminal in the online state in real time to be displayed, so that multiple terminals can display the same picture, and communication among multiple users is more convenient. By converting the audio data into the text data and combining the text data with the picture, the influence of the network environment or the communication environment on the stability of the audio is avoided, and the communication among multiple terminals is clearer and clearer.
Further, in a second embodiment of the multi-screen simultaneous display method according to the present invention, which is proposed based on the first embodiment of the present invention, the voice obtaining instruction may further include a specified display terminal identifier, and the step S21 is followed by the steps of:
step S22, sending a voice acquisition instruction including the appointed display terminal identification to the display terminal in the online room, so that the microphone connected with the display terminal corresponding to the display terminal identification receives and feeds back the audio data in real time according to the voice acquisition instruction.
The user can control the speaking of each terminal according to actual requirements. For example: under the condition that a user of a certain display terminal needs to listen to the speech currently, audio data of the corresponding display terminal is obtained according to the corresponding display terminal identification in the voice obtaining instruction so as to send the audio data to the display terminals in the online room, and each display terminal can only obtain the audio data; when the voice of a certain specific user needs to be shielded, setting a flag bit in the voice acquisition instruction to distinguish and acquire the voice of the corresponding display terminal from shielding the voice of the corresponding display terminal, and canceling the acquisition of the audio data of the corresponding display terminal according to the shielding flag bit and the display terminal identification in the voice acquisition instruction; restarting the transmission of all audio data under the condition that collective discussion is needed; when the display terminal needs to speak, a speaking request can be sent, the local machine displays the speaking request after receiving the speaking request so that a user of the local machine can select whether to allow the user to speak, and when receiving an allowing command of the user, the local machine sends audio data acquired by the display terminal corresponding to the user to the display terminal in the online room. Further, in a case where the current main attention should be focused on the display screen, in order to avoid interference, the user may cancel sending all audio information, so that each display terminal cannot acquire audio data of other display terminals;
according to the scheme, the audio data of all the display terminals in the online room are acquired, so that each display terminal can perform voice communication, and communication is more convenient.
Further, in the third embodiment of the multi-screen simultaneous display method according to the present invention proposed based on the first embodiment of the present invention, the step S30 is followed by the step of:
and step S40, acquiring the source information of the display terminal feeding back the audio data, and controlling the source information of the display terminal to be displayed on all the display terminals in the online room.
The method includes the steps of acquiring source information of a display terminal while acquiring audio data, namely acquiring information of the display terminal of the audio data, wherein the information can be a preset name or a preset nickname of a user corresponding to the display terminal. The source information of the display terminal can be displayed together with the text data converted by the corresponding audio information. The source information of the display terminal of the corresponding audio data is added to the text data part to clarify the speech of the user from which each text data comes, so that the communication among the users is clearer and clearer.
Further, in a fourth embodiment of the multi-screen simultaneous display method according to the present invention based on the first embodiment of the present invention, before the step of acquiring the currently displayed screen in real time in step S20, the method further includes the steps of:
step S23, determining the playing source of the current display picture;
step S24, when the playing source is the network video, obtaining a cache file corresponding to the network video;
the step of acquiring a currently displayed picture in real time in step S20 includes the steps of:
and step S25, acquiring the currently displayed picture corresponding to the cache file in real time.
The current display picture is from various sources, such as a local file, a system operation real-time picture is a network video, and the like, and when the current display picture is of a type of playing the network video, if a screen recording mode is adopted, the problem of low definition can be caused. It can be understood that the currently displayed picture can also be obtained by obtaining the corresponding local file when playing through the local file.
When the playing source is the network video, the cache file corresponding to the network video is obtained to obtain the currently displayed picture corresponding to the cache file in real time, so that the definition of the displayed picture of each display terminal is ensured under the condition of displaying the network video.
Further, in a fifth embodiment of the multi-screen simultaneous display method according to the present invention based on the first embodiment of the present invention, the method further includes the steps of:
step S50, detecting whether a change instruction of a user is received in real time;
and step S60, when the change instruction of the user is received, deleting or adding a display terminal to the display terminal list corresponding to the online room according to the change instruction.
The change instruction includes a connection command, a connection request, a disconnection command, and the like.
In the whole online process, the terminals in the online room are not necessarily fixed, and new display terminals can be added or the online with some display terminals can be disconnected according to actual conditions. For example: after an online room is created, a sent online command of a user is received again, a video request is sent to a display terminal corresponding to the online command, and after receiving acceptance information fed back by the display terminal, the display terminal is added into a user form so as to be accessed into the online room; after an online room is created, if an online request of a display terminal is received, the online request is displayed to a user, and after an allowing command sent by the user is received, the display terminal corresponding to the online request is added into a user form so as to access the display terminal into the online room; after the online room is created, when a disconnection command of a user is received, the disconnection command refers to a command which is sent by the user to remove the display terminal from the online room, and the display terminal corresponding to the disconnection command can be deleted from the user form to be removed from the online room; after an online room is created, when a disconnection request is received and displayed, deleting a display terminal corresponding to the disconnection request from the user form so as to remove the display terminal from the online room and display disconnection information corresponding to the disconnection request; after an online room is created, when a dismissal command sent by a user is received, deleting all display terminals from a user form, and dismissing the online room;
and when a change instruction is received, adding or deleting a display terminal in the online room according to the change instruction, so that the actual use requirement of a user is met.
Further, referring to fig. 2, in a sixth embodiment of the multi-screen simultaneous display method according to the present invention, which is proposed based on the first embodiment of the present invention, when the online command is received in step S10, the step of initiating a video request to all display terminals corresponding to the online command includes:
step S11, when receiving the on-line command, obtaining the preset common contact terminal list and the display terminal information of the on-line command request;
step S12, judging whether the display terminal information is matched with the preset common contact terminal table;
and step S13, if not, initiating a video request to a display terminal corresponding to the display terminal information to establish an online room with the display terminal after receiving information fed back by the display terminal according to the video request.
Optionally, the step S12 may be followed by the step of:
and step S14, if yes, initiating a video request to a display terminal corresponding to the display terminal information to establish an online room with the display terminal.
The user can add the commonly used display terminal in the preset commonly used contact list in advance, further, the display terminal with the online times meeting the preset threshold value can be added into the preset commonly used contact list according to the online historical record, when the display terminal needing to be online by the user is in the preset commonly used contact list, the online request is sent to the display terminal and is directly online with the display terminal, and the confirmation corresponding to the user of the display terminal is not needed.
When the display terminal which is required to be connected in the connection command exists in the preset common contact list, the connection request corresponding to the display terminal can be directly sent to carry out connection operation with the display terminal, and the confirmation operation does not need to be carried out again, so that the complex operation flow is avoided, and the connection process is more convenient; when the display terminal which needs to be connected in the connection command does not exist in the preset common contact list, the display terminal needs to wait for the received information fed back by the corresponding display terminal after sending the connection request, and the display terminal is connected with the display terminal after receiving the received information fed back by the corresponding display terminal, so that the connection safety is ensured.
Referring to fig. 3, the display terminal may include components of a communication module 10, a memory 20, and a processor 30 in a hardware structure. In the display terminal, the processor 30 is connected to the memory 20 and the communication module 10, respectively, the memory 20 stores thereon a computer program, which is executed by the processor 30 at the same time, and when executed, implements the steps of the above-mentioned method embodiments.
The communication module 10 may be connected to an external communication device through a network. The communication module 10 may receive a request from an external communication device, and may also send a request, an instruction, and information to the external communication device, where the external communication device may be another display terminal, a server, or an internet of things device, such as a television.
The memory 20 may be used to store software programs as well as various data. The memory 20 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (for example, converting the audio data into text data and acquiring a currently displayed picture in real time), and the like; the storage data area may include a database, and the storage data area may store data or information created according to use of the system, or the like. Further, the memory 20 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 30, which is a control center of the display terminal, connects various parts of the entire display terminal using various interfaces and lines, and performs various functions of the display terminal and processes data by operating or executing software programs and/or modules stored in the memory 20 and calling data stored in the memory 20, thereby performing overall monitoring of the display terminal. Processor 30 may include one or more processing units; alternatively, the processor 30 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 30.
Although not shown in fig. 3, the display terminal may further include a circuit control module, which is used for connecting with a power supply to ensure the normal operation of other components. Those skilled in the art will appreciate that the display terminal configuration shown in fig. 3 is not intended to be limiting of display terminals and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The invention also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be the Memory 20 in the display terminal of fig. 3, and may also be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, and an optical disk, where the computer-readable storage medium includes instructions for enabling a terminal device (which may be a television, an automobile, a mobile phone, a computer, a server, a terminal, or a network device) having a processor to execute the method according to the embodiments of the present invention.
In the present invention, the terms "first", "second", "third", "fourth" and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the embodiment of the present invention has been shown and described, the scope of the present invention is not limited thereto, it should be understood that the above embodiment is illustrative and not to be construed as limiting the present invention, and that those skilled in the art can make changes, modifications and substitutions to the above embodiment within the scope of the present invention, and that these changes, modifications and substitutions should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A multi-screen simultaneous display method is characterized by comprising the following steps:
when an online command is received, video requests are sent to all display terminals corresponding to the online command, and an online room is established with the display terminals after information fed back by the display terminals according to the video requests is received;
controlling a connected microphone to receive audio data in real time so as to convert the audio data into character data and obtain a currently displayed picture in real time;
and transmitting the audio data to all other display terminals in the online room, and simultaneously transmitting the combined text data and the combined picture to all other display terminals for display.
2. A multi-screen co-display method as recited in claim 1, wherein the controlling the connected microphones to receive audio data in real time includes:
and sending a voice acquisition instruction to a display terminal in the online room so as to control a microphone correspondingly connected with the display terminal to receive and feed back audio data in real time according to the voice acquisition instruction.
3. A multi-screen simultaneous display method according to claim 2, wherein after the step of transmitting the audio data to all other display terminals in the online room, and simultaneously combining the text data with the screen and transmitting the combined text data to all other display terminals for display, the method further comprises:
and acquiring the source information of the display terminal feeding back the audio data, and controlling the source information of the display terminal to be displayed on all display terminals in the online room.
4. A multi-screen simultaneous display method according to claim 2, wherein the voice obtaining instruction includes a designated display terminal identifier;
the step of sending the voice acquisition instruction to the display terminal in the online room to control a microphone correspondingly connected with the display terminal to receive and feed back audio data in real time according to the voice acquisition instruction comprises the following steps:
and sending a voice acquisition instruction comprising the appointed display terminal identification to a display terminal in an online room so that a microphone connected with the display terminal corresponding to the display terminal identification receives and feeds back audio data in real time according to the voice acquisition instruction.
5. A multi-screen simultaneous display method according to claim 1, wherein the step of acquiring the currently displayed screen in real time is preceded by the step of:
determining a playing source of a current display picture;
when the playing source is the network video, obtaining a cache file corresponding to the network video;
the step of acquiring the currently displayed picture in real time comprises the following steps:
and acquiring a currently displayed picture corresponding to the cache file in real time.
6. A multi-screen co-display method as recited in claim 1, wherein the method further comprises:
detecting whether a change instruction of a user is received in real time;
and when the change instruction of the user is received, deleting or adding a display terminal to a display terminal list corresponding to the online room according to the change instruction.
7. A multi-screen simultaneous display method according to any one of claims 1 to 6, wherein the step of initiating a video request to all display terminals corresponding to the online command when the online command is received comprises:
when an online command is received, acquiring a preset common contact terminal table and display terminal information of online requested by the online command;
judging whether the display terminal information is matched with the preset common contact terminal table or not;
and if not, initiating a video request to a display terminal corresponding to the display terminal information to establish an online room with the display terminal after receiving information fed back by the display terminal according to the video request.
8. A multi-screen simultaneous display method according to claim 7, wherein the step of determining whether the display terminal information matches the preset frequent contact terminal list further comprises:
and if so, initiating a video request to a display terminal corresponding to the display terminal information to establish an online room with the display terminal.
9. A display terminal, characterized in that the display terminal comprises a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the multi-screen simultaneous display method according to any one of claims 1 to 8.
10. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when executed by a processor, the steps of the multi-screen co-display method according to any one of claims 1 to 8 are implemented.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206970A (en) * | 2021-04-16 | 2021-08-03 | 广州朗国电子科技有限公司 | Wireless screen projection method and device for video communication and storage medium |
| CN114531610A (en) * | 2022-02-25 | 2022-05-24 | 深圳沃顿科技有限公司 | Splicing display method, device and equipment for display screen and storage medium |
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