CN113573135A - Screen projection method of display equipment, display equipment and client - Google Patents
Screen projection method of display equipment, display equipment and client Download PDFInfo
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- CN113573135A CN113573135A CN202010358283.2A CN202010358283A CN113573135A CN 113573135 A CN113573135 A CN 113573135A CN 202010358283 A CN202010358283 A CN 202010358283A CN 113573135 A CN113573135 A CN 113573135A
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- 238000000034 method Methods 0.000 title claims abstract description 78
- 230000004044 response Effects 0.000 claims abstract description 67
- 238000012790 confirmation Methods 0.000 claims description 50
- 230000006870 function Effects 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 15
- 238000013461 design Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 9
- 238000005266 casting Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
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- 238000010168 coupling process Methods 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 238000013473 artificial intelligence Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 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
- H04N21/43—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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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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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Abstract
The embodiment of the application provides a screen projection method of display equipment, the display equipment and a client, wherein the method comprises the following steps: the screen projection request is generated by the client through setting, the screen projection request is sent to the display device through the wireless local area network, when the display device recognizes that an application system of the client is an android system, screen projection response information is sent to the client through the wireless local area network, the client establishes a Bluetooth channel with the display device according to the screen projection response information, the client transmits image data to the display device through the wireless local area network and transmits audio data to the display device through the Bluetooth channel, the display device plays videos according to the image data and the audio data, the function that the client projects the screen on the display device when the application system of the client is the android system is achieved, and the video watching experience of a user is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of display equipment, in particular to a screen projection method of the display equipment, the display equipment and a client.
Background
Along with the continuous improvement of user's demand for display device, intelligent display device also has more and more functions, for example the user can throw the video of intelligent terminal broadcast and show on intelligent display device, improves the experience of watching the video.
At present, when a screen is projected on an intelligent display device by an intelligent client, the intelligent client records a played video to obtain image data; meanwhile, the intelligent client acquires audio data by calling an interface for outputting sound. The intelligent client transmits the image data and the audio data to the intelligent display device through wireless communication to project a screen, so that the function of playing the video of the intelligent terminal on the intelligent display device is realized, and the watching experience of a user is improved.
However, for the privacy security of the user, it is set that when the application system of the smart client is the android system, the smart client cannot acquire audio data by calling an interface for outputting sound. Therefore, when the application system is used for projecting a screen for the intelligent client of the android system, the intelligent display device can only display images, cannot synchronously play sound, and influences the screen projection experience of the user.
Disclosure of Invention
The embodiment of the invention provides a screen projection method of display equipment, the display equipment and a client, and aims to solve the problem that the pushed information shields a played video.
In a first aspect, an embodiment of the present invention provides a screen projection method for a display device, where the method is applied to a display device, and the method includes:
receiving a screen projection request sent by a client through a wireless local area network, wherein the screen projection request carries a system type of the client;
identifying a system type according to the screen projection request;
if the system type is identified to be an android system, screen projection response information is sent to the client through a wireless local area network, so that the client establishes a Bluetooth channel with the display equipment according to the screen projection response information, image data are transmitted to the display equipment through the wireless local area network, and audio data are transmitted to the display equipment through the Bluetooth channel;
and playing the video according to the image data and the audio data.
In a possible design, after the identification of the system type as the android system, the method further includes;
detecting a Bluetooth state;
if the Bluetooth is in an off state, generating prompt information for turning on the Bluetooth;
and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the display equipment to be in an open state according to the confirmation information.
In one possible design, after the identifying the system type according to the screen projection request, the method further comprises the following steps;
if the system type is identified to be a non-android system, screen projection confirmation information is sent to the client through a wireless local area network, so that the client transmits image data and audio data to the display equipment through the wireless local area network according to the screen projection confirmation information;
and playing the video according to the image data and the audio data.
In a second aspect, an embodiment of the present invention provides a screen projection method for a display device, which is applied to a client, and the method includes:
sending a screen projection request to display equipment through a wireless local area network, wherein the screen projection request carries a system type of a client, so that the display equipment generates screen projection response information when identifying that the system type is an android system according to the screen projection request;
receiving screen projection response information sent by the display equipment through a wireless local area network;
establishing a Bluetooth channel with the display equipment according to the screen projection response information;
transmitting image data to the display device through a wireless local area network and transmitting audio data to the display device through a Bluetooth channel so that the display device plays videos according to the image data and the audio data.
In one possible design, after the receiving screen-shot response information sent by the display device through a wireless local area network, the method further includes:
detecting a Bluetooth state;
if the Bluetooth is in the off state, generating prompt information for turning on the Bluetooth;
and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the client to be in an opening state according to the confirmation information.
In a possible design, the screen-projection response information carries a bluetooth identification code of the display device, and establishing a bluetooth channel with the display device according to the screen-projection response information includes:
and starting Bluetooth scanning according to the screen projection response information, and establishing a Bluetooth channel with the display equipment according to the Bluetooth identification code of the display equipment carried in the screen projection response information.
In one possible design, after the sending of the screen projection request to the display device through the wireless local area network, the method further includes;
receiving screen projection confirmation information generated when the display equipment identifies that the system type is a non-android system according to the screen projection request;
and transmitting image data and audio data to the display equipment through a wireless local area network according to the screen projection confirmation information so that the display equipment plays videos according to the image data and the audio data.
In a third aspect, an embodiment of the present invention provides a screen projection method for a display device, where the method includes:
a client sends a screen projection request to display equipment through a wireless local area network, wherein the screen projection request carries a system type of the client;
the display equipment identifies the system type according to the screen projection request;
if the display equipment identification system type is an android system, screen projection response information is sent to the client through a wireless local area network;
the client establishes a Bluetooth channel with the display equipment according to the screen projection response information;
the client transmits image data to display equipment through a wireless local area network and transmits audio data to the display equipment through a Bluetooth channel;
and the display equipment plays videos according to the image data and the audio data.
In a fourth aspect, an embodiment of the present invention provides a display device, including at least one processor and a memory;
the memory stores computer-executable instructions;
the at least one processor executes computer-executable instructions stored by the memory, causing the at least one processor to perform the display device screen projection method of the first aspect.
In a fifth aspect, an embodiment of the present invention provides a client, including at least one processor and a memory;
the memory stores computer-executable instructions;
the at least one processor executes computer-executable instructions stored by the memory, causing the at least one processor to perform the display device screen projection method of any of the second aspects.
In a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and when a processor executes the computer-executable instructions, the method for projecting a screen on a display device according to any one of the first aspect is implemented.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and when a processor executes the computer-executable instructions, the method for projecting a screen on a display device according to any one of the second aspects is implemented.
The display device screen projecting method, the display device and the client are characterized in that a screen projecting request is generated by the client through setting, the screen projecting request is sent to the display device through a wireless local area network, when the display device identifies that an application system of the client is an android system, screen projecting response information is sent to the client through the wireless local area network, a Bluetooth channel is established between the client and the display device according to the screen projecting response information, the client transmits image data to the display device through the wireless local area network and transmits audio data to the display device through the Bluetooth channel, the display device plays videos according to the image data and the audio data, the function that the client projects a screen on the display device when the application system of the client is the android system is achieved, and the experience of users watching the videos is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario provided in an embodiment of the present invention;
fig. 2 is a first flowchart of a screen projection method of a display device according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a screen projection method of a display device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a user interface of a display device according to an embodiment of the present invention;
fig. 5 is a third schematic flowchart of a screen projection method of a display device according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a screen projection method of a display device according to a fourth embodiment of the present invention;
FIG. 7 is a schematic diagram of a user interface of a client according to an embodiment of the present invention;
fig. 8 is a schematic flow chart of a screen projection method of a display device according to an embodiment of the present invention;
fig. 9 is a first schematic structural diagram of a screen projection device of a display device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a screen projection device of a display device according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 12 is a schematic diagram of a client structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, belong to the protection scope of the present application.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the above-described drawings (if any) are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The concept to which the present application relates will be first explained below with reference to the drawings. It should be noted that the following descriptions of the concepts are only for the purpose of facilitating understanding of the contents of the present application, and do not represent limitations on the scope of the present application.
The term "module," as used in various embodiments of the present application, may refer to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.
Fig. 1 is a schematic view of an application scenario provided in an embodiment of the present invention. As shown in fig. 1, an application scenario of an embodiment of the present invention includes a display device 100 and a client 200.
For example, the display device 100 may be, in one aspect, a liquid crystal display, an oled (organic Light Emitting diode) display, or a projection display device; on the other hand, the display device 100 may be a smart tv or a display system consisting of a display and a set-top box. The specific display device type, size, resolution, etc. are not limiting, and those skilled in the art will appreciate that the display device 100 may be modified in performance and configuration as desired. The display apparatus 100 may additionally provide an intelligent network tv function providing a computer support function in addition to the broadcast receiving tv function. Examples include a web tv, a smart tv, an Internet Protocol Tv (IPTV), and the like. In some embodiments, the display device may not have a broadcast receiving television function.
For example, the client 200 may be an intelligent terminal with a screen projection control function, and may project a video played by the client 200 onto a display device for playing. Wherein, the video transmission is performed between the display device 100 and the client 200 through wireless communication. The client 200 may be an intelligent terminal device such as a mobile phone, a tablet computer, or a notebook computer capable of wirelessly communicating with the display device 100, wherein the intelligent terminal device is further installed with application software capable of projecting the video of the client 100 on the display device 100.
In some embodiments, when the client 200 performs screen projection on the display device 100, the client 200 obtains image data by recording a played video; meanwhile, the client acquires audio data by calling an interface for outputting sound. The client side transmits the image data and the audio data to the intelligent display device through wireless communication to project a screen, and plays the video of the client side 200 on the display device, so that the watching experience of a user is improved.
However, when the application system of the client 200 is the android system, the client 200 cannot acquire audio data by calling an interface for outputting sound for privacy security of the user, and therefore, when the application system is used for projecting a screen of the client 20 of the android system, the display device 100 can only display an image and cannot synchronously play sound, which affects a screen projection experience of the user.
In order to implement the screen projection function of the display device 100 when the application system of the client 200 is the android system, this embodiment provides a display device screen projection method, when the display device 100 recognizes that the application system of the client 200 is the android system, screen projection response information is sent to the client 200 through a wireless local area network, so that the client 200 establishes a bluetooth channel with the display device 100 according to the screen projection response information, the client 200 transmits image data to the display device 100 through the wireless local area network and transmits audio data to the display device through the bluetooth channel, the display device 100 plays a video according to the image data and the audio data, the screen projection function of the display device 100 is implemented when the application system of the client 200 is the android system, and user experience is improved.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 2 is a first flowchart of a screen projection method of a display device according to an embodiment of the present invention. The execution subject of the present embodiment may be the display device shown in fig. 1. As shown in fig. 2, the method includes:
201. and receiving a screen projection request sent by the client through the wireless local area network, wherein the screen projection request carries the system type of the client.
Specifically, the wireless local area network may be WIFI. When the user uses the screen projecting function of the display device, the user can input a screen projecting control instruction through an interface of screen projecting application software of the client, the client generates a screen projecting request according to the screen projecting control instruction input by the user, and the screen projecting request is sent to the display device through WIFI. The screen-casting control instruction carries the system type of the client, so that when the client generates a screen-casting request according to the screen-casting control instruction input by the user, the generated screen-casting request carries the system type of the client. The system type of the client may be, for example, android system, apple system, saiban system, microsoft system, or the like.
202. And identifying the system type according to the screen projection request.
Specifically, the display device analyzes the received screen projection request, and obtains the system type of the client included in the screen projection request. When the system type of the client is a non-android system, the application which is installed on the client and realizes the screen projection function is usually the application of which the system passes the safety certification, the audio data can be obtained by calling an interface for outputting sound, and the image and the audio can be played simultaneously during screen projection. When the system type of the client is an android system, the client cannot acquire audio data by calling an interface for outputting sound, and when an application system is used for projecting a screen for the client of the android system, the display equipment can only display images and cannot synchronously play sound.
203. And if the system type is identified to be an android system, screen projection response information is sent to the client through the wireless local area network, so that the client establishes a Bluetooth channel with the display equipment according to the screen projection response information, image data are transmitted to the display equipment through the wireless local area network, and audio data are transmitted to the display equipment through the Bluetooth channel.
When the system type of the client is an android system, in order to realize that the display device can play audio while playing images, the client and the display device can be connected through bluetooth, so that the display device directly obtains audio data of the system through bluetooth. Therefore, when the display device identifies that the client system type is the android system, the display device sends screen projection response information to the client through the wireless local area network, and the client can establish a Bluetooth transmission channel with the display device according to the screen projection response information. After the client and the display device establish the Bluetooth transmission channel successfully, the display device can transmit the image data to the display device through the WIFI, and the display device can transmit the audio data to the display device through the Bluetooth transmission channel.
204. And playing the video according to the image data and the audio data.
The display equipment receives image data transmission sent by the client through the WIFI, and receives audio data sent by the client through the Bluetooth transmission channel. Specifically, the display device performs mirror image data transmission on the image data through the socket-based WIFI. The display device plays the video according to the received image data and the audio data, the function of projecting the video of the client to the display device is achieved, on one hand, the size of the display screen for playing the video is enlarged, on the other hand, the display device is used for playing the audio, and the experience of watching the video by a user is improved.
According to the screen projection method of the display device, the screen projection request is generated by the client through setting, the screen projection request is sent to the display device through the wireless local area network, when the display device recognizes that the application system of the client is the android system, screen projection response information is sent to the client through the wireless local area network, the client establishes a Bluetooth channel with the display device according to the screen projection response information, the client transmits image data to the display device through the wireless local area network and transmits audio data to the display device through the Bluetooth channel, the display device plays videos according to the image data and the audio data, the screen projection function of the display device is achieved when the application system of the client is the android system, and user experience is improved.
Fig. 3 is a schematic flow chart of a screen projection method of a display device according to an embodiment of the present invention. The embodiment of the present invention is described in detail with respect to the method after the display device identifies that the system type is the android system in the embodiment of fig. 2. On the basis of the embodiment provided in fig. 2, as shown in fig. 3, the method includes:
301. the bluetooth status is detected.
If the display device identification system type is an android system, a Bluetooth channel needs to be established between the client and the display device for transmitting audio signals, and therefore the display device confirms whether Bluetooth transmission of the display device is opened or not by detecting a Bluetooth state.
302. And if the Bluetooth is in the off state, generating prompt information for turning on the Bluetooth.
When the display device detects that the Bluetooth state of the display device is closed, the display device generates prompt information for prompting a user to open the Bluetooth and displays the prompt information on a user interface of the display device. The user interface is a medium interface for interaction and information exchange between the display device and the user, and realizes conversion between the internal form of the information and the form acceptable by the user. A common presentation form of a user interface is a Graphical User Interface (GUI), which refers to a user interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, window, control, etc. displayed in the display screen of the electronic device, where the control may include a visual interface element such as an icon, button, menu, tab, text box, dialog box, status bar, navigation bar, widget, etc. Illustratively, fig. 4 is a schematic view of a user interface of a display device according to an embodiment of the present invention. As shown in fig. 4, a pop-up window is provided on the user interface of the display device, and the text content of the window is "please open bluetooth", which is used to prompt the user to open bluetooth. The user interface also comprises two controls of 'confirm' and 'cancel' for realizing the interaction between the user and the display equipment, and the user can turn on the Bluetooth switch of the display equipment by clicking 'confirm'. The embodiment of the invention does not limit the prompt form of the user interface displaying the Bluetooth of the opening display equipment.
303. And receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the display equipment to be in an open state according to the confirmation information.
After the user confirms that the Bluetooth is opened, the display equipment receives information which is input by the user and confirms that the Bluetooth is opened, and the display equipment sets the Bluetooth of the display equipment to be in an open state according to the confirmation information.
According to the screen projection method of the display device, after the display device identifies that the system type is the android system, the state of the Bluetooth is detected by setting the display device, when the Bluetooth is in the closed state, the display device generates prompt information for opening the Bluetooth, receives confirmation information for opening the Bluetooth and sets the Bluetooth of the display device to be in the open state according to the confirmation information. According to the method provided by the embodiment of the invention, the display equipment is arranged to detect and turn on the respective Bluetooth switches, so that the Bluetooth transmission channel can be successfully established between the display equipment and the client, the client is used for sending the audio data to the display equipment through the Bluetooth transmission channel, the screen projection function of the display equipment is realized when the application system of the client is an android system, and the user experience is improved.
In one possible implementation manner, after the display device identifies the system type according to the screen-casting request in step 202 of the embodiment provided in fig. 2, the method may further include:
if the system type is identified to be a non-android system, screen projection confirmation information is sent to the client through a wireless local area network, so that the client transmits image data and audio data to the display equipment through the wireless local area network according to the screen projection confirmation information; and playing the video according to the image data and the audio data.
According to the screen projection method for the display device, if the display device identifies that the system type of the client is a non-android system, the display device sends screen projection confirmation information to the client through the wireless local area network, so that the client transmits image data and audio data to the display device through the wireless local area network according to the screen projection confirmation information, and the display device plays videos according to the image data and the audio data. The embodiment of the invention provides a method for realizing screen projection between display equipment and a client when the system type of the client is identified to be a non-android system.
Fig. 5 is a third schematic flowchart of a screen projection method of a display device according to an embodiment of the present invention. The execution subject of this embodiment may be the client shown in fig. 1, as shown in fig. 5, the method includes:
501. and sending a screen projection request to the display equipment through the wireless local area network, wherein the screen projection request carries the system type of the client, so that the display equipment generates screen projection response information when identifying that the system type is an android system according to the screen projection request.
502. And screen projection response information sent by the display equipment through the wireless local area network is received.
503. And establishing a Bluetooth channel with the display equipment according to the screen projection response information.
504. The image data are transmitted to the display device through the wireless local area network, and the audio data are transmitted to the display device through the Bluetooth channel, so that the display device plays videos according to the image data and the audio data.
According to the screen projection method of the display device, the screen projection request is generated by the client through setting, the screen projection request is sent to the display device through the wireless local area network, when the display device recognizes that the application system of the client is the android system, screen projection response information is sent to the client through the wireless local area network, the client establishes a Bluetooth channel with the display device according to the screen projection response information, the client transmits image data to the display device through the wireless local area network and transmits audio data to the display device through the Bluetooth channel, the display device plays videos according to the image data and the audio data, the screen projection function of the display device is achieved when the application system of the client is the android system, and user experience is improved.
Fig. 6 is a fourth schematic flowchart of a screen projection method of a display device according to an embodiment of the present invention. On the basis of the embodiment of fig. 5, the embodiment of the present invention provides a detailed description on the method after receiving the screen-shot response information sent by the display device through the wireless local area network in step 502. As shown in fig. 6, the method includes:
601. the bluetooth status is detected.
After screen projection response information sent by the display device through the wireless local area network is received, the client confirms that the system type identified by the display device is an android system according to the screen projection response information. The client needs to establish a bluetooth channel with the display device for transmitting the audio signal, so the client confirms whether the bluetooth transmission of the client is opened or not by detecting the bluetooth state.
602. And if the Bluetooth is in the off state, generating prompt information for turning on the Bluetooth.
When the client detects that the Bluetooth state of the client is closed, the client generates prompt information for prompting a user to open the Bluetooth and displays the prompt information on a user interface of the client. The user interface is a medium interface for interaction and information exchange between the client and the user, and realizes conversion between the internal form of the information and the form acceptable by the user. Illustratively, fig. 7 is a schematic diagram of a user interface of a client according to an embodiment of the present invention. As shown in fig. 7, the user interface at the client side is through a pop-up window, and the text content of the window is "please open bluetooth", which is used to prompt the user to open bluetooth. The user interface further comprises two controls of 'confirm' and 'cancel' for realizing interaction between the user and the client, and the user can turn on a Bluetooth switch of the client by clicking 'confirm'. The embodiment of the invention does not limit the prompt form of the user interface for displaying the Bluetooth of the client.
603. And receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the client to be in an opening state according to the confirmation information.
And after the user confirms that the Bluetooth is opened, the client receives the information for confirming that the Bluetooth is opened, which is input by the user, and the client sets the Bluetooth of the client to be in an open state according to the confirmation information.
604. And establishing a Bluetooth channel with the display equipment according to the screen projection response information.
Specifically, the client starts bluetooth scanning according to the screen projection response information to obtain all identified bluetooth devices. The Bluetooth identification code of the display equipment is obtained by analyzing the screen projection response information, and a Bluetooth channel is established with the display equipment by matching the Bluetooth identification code of the display equipment with the identification codes of all identified Bluetooth equipment.
In the screen projection method for the display device provided by this embodiment, after screen projection response information sent by the display device through the wireless local area network is received, the state of the bluetooth is detected by the setting client, when the bluetooth is in the off state, the display device generates prompt information for turning on the bluetooth, receives confirmation information for turning on the bluetooth, and sets the bluetooth of the display device to the on state according to the confirmation information. And setting a Bluetooth identification code of the display device carried in screen projection response information, starting Bluetooth scanning by the client according to the screen projection response information, and establishing a Bluetooth channel with the display device according to the Bluetooth identification code of the display device carried in the screen projection response information. According to the method provided by the embodiment of the invention, the display equipment is arranged to detect and turn on the respective Bluetooth switches, so that the Bluetooth transmission channel can be successfully established between the display equipment and the client, the client is used for sending the audio data to the display equipment through the Bluetooth transmission channel, the screen projection function of the display equipment is realized when the application system of the client is an android system, and the user experience is improved.
In one possible implementation manner, after sending the screen-casting request to the display device through the wireless local area network in step 501 of the embodiment provided in fig. 5, the client may further include:
and receiving screen projection confirmation information generated when the display equipment identifies that the system type is a non-android system according to the screen projection request, and transmitting image data and audio data to the display equipment through a wireless local area network according to the screen projection confirmation information so that the display equipment plays videos according to the image data and the audio data.
According to the screen projection method of the display device, the screen projection confirmation information generated when the display device identifies that the system type is the non-android system according to the screen projection request is received, the image data and the audio data are transmitted to the display device through the wireless local area network according to the screen projection confirmation information, and the display device plays the video according to the image data and the audio data. The embodiment of the invention provides a method for realizing screen projection between display equipment and a client when the display equipment identifies that the system type is a non-android system according to a screen projection request.
Fig. 8 is a flowchart illustrating a fifth method for screen projection of a display device according to an embodiment of the present invention. As shown in fig. 8, the method includes:
801. the client sends a screen projection request to the display device through the wireless local area network, wherein the screen projection request carries the system type of the client.
802. And the display equipment identifies the system type according to the screen projection request.
803. And if the display equipment identification system type is an android system, screen projection response information is sent to the client through the wireless local area network.
804. And the client establishes a Bluetooth channel with the display equipment according to the screen projection response information.
805. The client transmits the image data to the display device through the wireless local area network and transmits the audio data to the display device through the Bluetooth channel.
806. And the display equipment plays the video according to the image data and the audio data.
The steps in the embodiment of the present invention are repeated with the steps in the embodiment of fig. 2 and the method content described in the embodiment, and are not repeated here.
Fig. 9 is a first structural schematic diagram of a screen projection device of a display device according to an embodiment of the present invention. As shown in fig. 9, the display device screen projecting apparatus 90 includes: a receiving module 91, an identifying module 92, a first sending module 93 and a first playing module 94.
The receiving module 91 is configured to receive a screen projection request sent by a client through a wireless local area network, where the screen projection request carries a system type of the client.
And the identification module 92 is used for identifying the system type according to the screen projection request.
The first sending module 93 is configured to send screen projection response information to the client through the wireless local area network if the system type is identified as the android system, so that the client establishes a bluetooth channel with the display device according to the screen projection response information, and transmits image data to the display device through the wireless local area network and transmits audio data to the display device through the bluetooth channel.
The first playing module 94 is configured to play a video according to the image data and the audio data.
In an embodiment of the present invention, the sending module 93 is further specifically configured to: the bluetooth status is detected.
If the Bluetooth is in an off state, generating prompt information for turning on the Bluetooth; and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the display equipment to be in an open state according to the confirmation information.
In one embodiment of the present invention, the display device screen projecting apparatus 90 further includes:
and the second sending module is used for sending screen projection confirmation information to the client through the wireless local area network if the identification system type is a non-android system, so that the client transmits the image data and the audio data to the display equipment through the wireless local area network according to the screen projection confirmation information.
And the second playing module is used for playing the video according to the image data and the audio data.
Fig. 10 is a schematic structural diagram of a second display device screen projection apparatus according to an embodiment of the present invention. As shown in fig. 10, the display device screen projecting apparatus 100 includes: a sending module 101, a receiving module 102, a establishing module 103 and a first transmitting module 104.
The sending module 101 is configured to send a screen projection request to the display device through the wireless local area network, where the screen projection request carries a system type of the client, so that the display device generates screen projection response information when the system type is identified as an android system according to the screen projection request.
The receiving module 102 is configured to receive screen-casting response information sent by the display device through the wireless local area network.
And the establishing module 103 is used for establishing a Bluetooth channel with the display device according to the screen projection response information.
The first transmission module 104 is configured to transmit the image data to the display device through the wireless local area network and transmit the audio data to the display device through the bluetooth channel, so that the display device plays a video according to the image data and the audio data.
In an embodiment of the present invention, the display device screen projecting apparatus 100 further includes a detection module, configured to detect a bluetooth status; if the Bluetooth is in an off state, generating prompt information for turning on the Bluetooth; and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the client to be in an open state according to the confirmation information.
In an embodiment of the present invention, the establishing module 103 is further specifically configured to: and starting Bluetooth scanning according to the screen projection response information, and establishing a Bluetooth channel with the display equipment according to the Bluetooth identification code of the display equipment carried in the screen projection response information.
In an embodiment of the present invention, the display device screen projection apparatus 100 further includes a second transmission module, configured to receive screen projection confirmation information generated when the display device identifies that the system type is the non-android system according to the screen projection request; and transmitting the image data and the audio data to the display equipment through the wireless local area network according to the screen projection confirmation information so that the display equipment plays the video according to the image data and the audio data.
Fig. 11 is a schematic structural diagram of a display device according to an embodiment of the present invention. As shown in fig. 11, the display device 110 of the present embodiment includes: a processor 111, a memory 112, and a computer program stored in the memory 112 and executable on the processor 111, the processor 111 when executing the computer program implementing the steps of: receiving a screen projection request sent by a client through a wireless local area network, wherein the screen projection request carries a system type of the client; identifying the system type according to the screen projection request; if the system type is identified to be an android system, screen projection response information is sent to the client through the wireless local area network, so that the client establishes a Bluetooth channel with the display equipment according to the screen projection response information, image data are transmitted to the display equipment through the wireless local area network, and audio data are transmitted to the display equipment through the Bluetooth channel; and playing the video according to the image data and the audio data.
In one possible design, the processor 111, when executing the computer program, further performs the following steps: detecting a Bluetooth state; if the Bluetooth is in an off state, generating prompt information for turning on the Bluetooth; and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the display equipment to be in an open state according to the confirmation information.
In one possible design, the processor 111, when executing the computer program, further performs the following steps: if the system type is identified to be a non-android system, screen projection confirmation information is sent to the client through the wireless local area network, so that the client transmits image data and audio data to the display equipment through the wireless local area network according to the screen projection confirmation information; and playing the video according to the image data and the audio data.
Reference may be made in particular to the description relating to the method embodiments described above.
In one possible design, the memory 112 may be separate or integrated with the processor 111.
When the memory 112 is separately provided, the display device further includes a bus 113 for connecting the memory 112 and the processor 111.
The embodiment of the invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer execution instructions, and when a processor executes the computer execution instructions, the display device screen projection method executed by the display device is realized.
Fig. 12 is a schematic diagram of a client structure according to an embodiment of the present invention. As shown in fig. 12, the client 120 of the present embodiment includes: a processor 121, a memory 122, and a computer program stored in the memory 122 and operable on the processor 121, the processor 121 when executing the computer program implementing the steps of: sending a screen projection request to display equipment through a wireless local area network, wherein the screen projection request carries a system type of a client, so that the display equipment generates screen projection response information when identifying that the system type is an android system according to the screen projection request; receiving screen projection response information sent by display equipment through a wireless local area network; establishing a Bluetooth channel with the display equipment according to the screen projection response information; the image data are transmitted to the display device through the wireless local area network, and the audio data are transmitted to the display device through the Bluetooth channel, so that the display device plays videos according to the image data and the audio data.
In one possible design, the processor 121, when executing the computer program, further performs the following steps: detecting a Bluetooth state; if the Bluetooth is in an off state, generating prompt information for turning on the Bluetooth; and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the client to be in an open state according to the confirmation information.
In one possible design, the processor 121, when executing the computer program, further performs the following steps: and starting Bluetooth scanning according to the screen projection response information, and establishing a Bluetooth channel with the display equipment according to the Bluetooth identification code of the display equipment carried in the screen projection response information.
In one possible design, the processor 121, when executing the computer program, further performs the following steps: receiving screen projection confirmation information generated when the display equipment identifies that the system type is a non-android system according to the screen projection request; and transmitting the image data and the audio data to the display equipment through the wireless local area network according to the screen projection confirmation information so that the display equipment plays the video according to the image data and the audio data.
Reference may be made in particular to the description relating to the method embodiments described above.
In one possible design, the memory 122 may be separate or integrated with the processor 121.
When the memory 122 is separately provided, the client further includes a bus 123 for connecting the memory 122 and the processor 121.
The embodiment of the invention also provides a computer-readable storage medium, wherein a computer execution instruction is stored in the computer-readable storage medium, and when a processor executes the computer execution instruction, the display device screen projection method executed by the client is realized.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to implement the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor to execute some steps of the methods described in the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the storage medium may reside as discrete components in an electronic device or host device.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. A screen projection method of a display device is applied to the display device, and comprises the following steps:
receiving a screen projection request sent by a client through a wireless local area network, wherein the screen projection request carries a system type of the client;
identifying a system type according to the screen projection request;
if the system type is identified to be an android system, screen projection response information is sent to the client through a wireless local area network, so that the client establishes a Bluetooth channel with the display equipment according to the screen projection response information, image data are transmitted to the display equipment through the wireless local area network, and audio data are transmitted to the display equipment through the Bluetooth channel;
and playing the video according to the image data and the audio data.
2. The method according to claim 1, further comprising, after the identifying the system type is android system;
detecting a Bluetooth state;
if the Bluetooth is in an off state, generating prompt information for turning on the Bluetooth;
and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the display equipment to be in an open state according to the confirmation information.
3. The method of claim 1, further comprising, after said identifying a system type from the screen-drop request;
if the system type is identified to be a non-android system, screen projection confirmation information is sent to the client through a wireless local area network, so that the client transmits image data and audio data to the display equipment through the wireless local area network according to the screen projection confirmation information;
and playing the video according to the image data and the audio data.
4. A screen projection method of a display device is applied to a client, and comprises the following steps:
sending a screen projection request to display equipment through a wireless local area network, wherein the screen projection request carries a system type of a client, so that the display equipment generates screen projection response information when identifying that the system type is an android system according to the screen projection request;
receiving screen projection response information sent by the display equipment through a wireless local area network;
establishing a Bluetooth channel with the display equipment according to the screen projection response information;
transmitting image data to the display device through a wireless local area network and transmitting audio data to the display device through a Bluetooth channel so that the display device plays videos according to the image data and the audio data.
5. The method according to claim 4, further comprising, after the receiving screen-shot response information sent by the display device via a wireless local area network:
detecting a Bluetooth state;
if the Bluetooth is in the off state, generating prompt information for turning on the Bluetooth;
and receiving confirmation information of opening the Bluetooth, and setting the Bluetooth of the client to be in an opening state according to the confirmation information.
6. The method of claim 4, wherein the screen-shot response information carries a Bluetooth identification code of the display device, and the establishing a Bluetooth channel with the display device according to the screen-shot response information comprises:
and starting Bluetooth scanning according to the screen projection response information, and establishing a Bluetooth channel with the display equipment according to the Bluetooth identification code of the display equipment carried in the screen projection response information.
7. The method of claim 4, further comprising, after the sending a screen-projection request to a display device over a wireless local area network;
receiving screen projection confirmation information generated when the display equipment identifies that the system type is a non-android system according to the screen projection request;
and transmitting image data and audio data to the display equipment through a wireless local area network according to the screen projection confirmation information so that the display equipment plays videos according to the image data and the audio data.
8. A screen projection method of a display device is characterized by comprising the following steps:
a client sends a screen projection request to display equipment through a wireless local area network, wherein the screen projection request carries a system type of the client;
the display equipment identifies the system type according to the screen projection request;
if the display equipment identification system type is an android system, screen projection response information is sent to the client through a wireless local area network;
the client establishes a Bluetooth channel with the display equipment according to the screen projection response information;
the client transmits image data to display equipment through a wireless local area network and transmits audio data to the display equipment through a Bluetooth channel;
and the display equipment plays videos according to the image data and the audio data.
9. A display device comprising at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the display device screen projection method of any of claims 1-3.
10. A client comprising at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the display device screen projection method of any of claims 4 to 7.
11. A computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, the method for projecting a screen on a display device according to any one of claims 1 to 3 is implemented.
12. A computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, the method for projecting a screen on a display device according to any one of claims 4 to 7 is implemented.
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| CN202010358283.2A CN113573135A (en) | 2020-04-29 | 2020-04-29 | Screen projection method of display equipment, display equipment and client |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025338A (en) * | 2021-11-09 | 2022-02-08 | 深圳万兴软件有限公司 | Method and device for improving reverse control Bluetooth connection efficiency and related components |
| CN115379285A (en) * | 2022-08-22 | 2022-11-22 | 西安甘鑫电子科技有限公司 | Digital video wireless transmission system |
| CN115665471A (en) * | 2022-10-21 | 2023-01-31 | 湖南快乐阳光互动娱乐传媒有限公司 | Information prompting method and device |
| CN116389352A (en) * | 2023-03-17 | 2023-07-04 | 深圳市同行者科技有限公司 | Method, system and related equipment for transmitting vehicle-mounted interactive screen-throwing data |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333800A (en) * | 2014-07-21 | 2015-02-04 | 北京京东方视讯科技有限公司 | Display system as well as Bluetooth audio playing method and device of display system |
| CN109275130A (en) * | 2018-09-13 | 2019-01-25 | 锐捷网络股份有限公司 | A kind of throwing screen method, apparatus and storage medium |
-
2020
- 2020-04-29 CN CN202010358283.2A patent/CN113573135A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333800A (en) * | 2014-07-21 | 2015-02-04 | 北京京东方视讯科技有限公司 | Display system as well as Bluetooth audio playing method and device of display system |
| CN109275130A (en) * | 2018-09-13 | 2019-01-25 | 锐捷网络股份有限公司 | A kind of throwing screen method, apparatus and storage medium |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025338A (en) * | 2021-11-09 | 2022-02-08 | 深圳万兴软件有限公司 | Method and device for improving reverse control Bluetooth connection efficiency and related components |
| CN114025338B (en) * | 2021-11-09 | 2024-02-13 | 深圳万兴软件有限公司 | Method and device for improving reverse control Bluetooth connection efficiency and related components |
| CN115379285A (en) * | 2022-08-22 | 2022-11-22 | 西安甘鑫电子科技有限公司 | Digital video wireless transmission system |
| CN115665471A (en) * | 2022-10-21 | 2023-01-31 | 湖南快乐阳光互动娱乐传媒有限公司 | Information prompting method and device |
| CN116389352A (en) * | 2023-03-17 | 2023-07-04 | 深圳市同行者科技有限公司 | Method, system and related equipment for transmitting vehicle-mounted interactive screen-throwing data |
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