CN103823607A - Large-screen equipment control method and mobile terminal - Google Patents
Large-screen equipment control method and mobile terminal Download PDFInfo
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- CN103823607A CN103823607A CN201210462209.0A CN201210462209A CN103823607A CN 103823607 A CN103823607 A CN 103823607A CN 201210462209 A CN201210462209 A CN 201210462209A CN 103823607 A CN103823607 A CN 103823607A
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Abstract
An embodiment of the invention provides a method for controlling large-screen equipment by a mobile terminal. The method is characterized by including the steps of starting a framing function to acquire a display interface of the large-screen equipment, acquiring first control information, namely the information input by users, and sending second control information. The embodiment of the invention further provides the mobile terminal. By the method and the mobile terminal, data volume needed to be transmitted by the wireless network during controlling is reduced, pressure of the transmission network is lowered, requirements for performance of the transmission network in the process of controlling the large-screen equipment are lowered, and meanwhile, delay and error rate in transmission of control information are reduced and user experiences are improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of information processing, in particular to a method for controlling large-screen equipment and a mobile terminal.
Background
Graphic operating systems such as Android and Windows are increasingly used in large-screen devices such as televisions and advertising screens, such operating systems are generally designed to use accurate control devices such as mice, and currently, methods for controlling such large-screen devices mainly include interface mirroring. The interface mirror image operation is to run a piece of software between the control equipment and the large-screen equipment respectively and establish data connection. The large-screen device sends the content of the current display interface to the control device through a wireless or wired network, and a user operates on the control device according to the image displayed on the control device to realize the function of controlling the large-screen device.
However, the existing interface mirroring operation has the technical problems of large data transmission amount, large network load, delayed control information or errors, and particularly in the process of controlling large-screen equipment by using a wireless network, the technical problems of large delayed control information or more control errors and the like are often caused due to the problems of relatively narrow wireless network bandwidth, low transmission rate and the like.
Disclosure of Invention
The technical scheme provides a method for controlling a large-screen device by a mobile terminal and the mobile terminal, which are used for controlling the large-screen device by the mobile terminal, reducing the data volume transmitted by a network and the error rate of control information and improving the user experience.
In a first aspect, a method for controlling a large-screen device by a mobile terminal is provided: opening a view finding function; acquiring a display interface of the large-screen equipment through a view finding function; acquiring first control information, wherein the first control information is information acquired according to input of a user; and sending second control information, wherein the second control information is acquired by converting the first control information according to the resolution information of the large-screen equipment acquired in advance and a reference coordinate system.
In a first possible implementation manner of the first aspect, the starting of the framing function specifically includes: when the mobile terminal is detected to be in a vertical state, starting the view finding function, wherein the vertical state is a state that an included angle between the mobile terminal and a horizontal plane is larger than 80 degrees and smaller than 110 degrees; or opening the view finding function according to the input of the user.
With reference to the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the acquiring a display interface of a large-screen device through a view finding function specifically includes: acquiring an initial display interface through an automatic focusing function of the view finding function; detecting whether the initial display interface is a special display interface by sending a special display mode instruction, wherein the special display interface comprises: a flickering interface, a jittering interface; and if the initial display interface is a special display interface, acquiring the initial display interface.
With reference to the first aspect, or the first possible implementation manner of the first aspect, or the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, after the obtaining of the display interface of the large-screen device through the view finding function, before the obtaining of the first control information of the user, the method further includes: displaying the display interface on a display screen of the mobile terminal in a full screen mode through a correction function; wherein the correction function comprises: trapezoidal correction and pillow correction.
With reference to the first aspect, or the first possible implementation manner of the first aspect, or the second possible implementation manner of the first aspect, or the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the first control information includes: type information of the first control information and location information of the first control information; wherein the type information includes: click information, double click information, slide information, drag information, and zoom information; the location information includes; and coordinate information of the control information on the display screen.
With reference to the first aspect, or the first possible implementation manner of the first aspect, or the second possible implementation manner of the first aspect, or the third possible implementation manner of the first aspect, or the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the method further includes: and when the mobile terminal is detected to be in a horizontal state, closing the view finding function, wherein the horizontal state is that the included angle between the mobile terminal and the horizontal plane is less than 30 degrees.
In a second aspect, a mobile terminal for controlling a large-screen device is provided, where the mobile terminal includes: a view finding unit for finding a view; the first acquisition unit is used for receiving the information of the view finding unit and acquiring a display interface of the large-screen equipment according to the information; a second acquisition unit configured to acquire first control information, the first control information being information acquired according to an input by a user; and the sending unit is used for receiving the first control information of the second acquiring unit and sending second control information according to the first control information, wherein the second control information is acquired by converting the first control information according to the resolution information of the large-screen equipment acquired in advance and a reference coordinate system.
In a first possible implementation manner of the second aspect, the mobile terminal further includes: the sensing unit is used for detecting that the mobile terminal is in a nearly vertical state or a nearly horizontal state; wherein, the vertical state is a state that the included angle between the mobile terminal and the horizontal plane is more than 80 degrees and less than 110 degrees; the horizontal state is that the included angle between the mobile terminal and the horizontal plane is less than 30 degrees.
With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the mobile terminal further includes: the correction unit is used for receiving the display interface of the first acquisition unit and correcting the display interface; and the display unit is used for receiving the display interface of the correction unit and displaying the display interface on the display screen of the mobile terminal in a full screen mode.
With reference to the second aspect, or the first possible implementation manner of the second aspect, or the second possible implementation manner of the second aspect, or the third possible implementation manner of the second aspect, in a fourth possible implementation manner of the first aspect, the mobile terminal further includes: and the processing unit is used for receiving the first control information of the second acquisition unit and acquiring the second control information through the resolution information of the large-screen equipment and a reference coordinate system which are acquired in advance.
The technical scheme of the invention provides a new method for controlling a large-screen device by a mobile terminal and the mobile terminal, the method and the mobile terminal acquire a display interface of the large-screen device through a view finding function, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience 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 required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a flowchart of a method for controlling a large-screen device by a mobile terminal according to embodiment 1 of the present invention;
fig. 2 is a flowchart of a possible implementation manner of controlling a large-screen device by a mobile terminal according to embodiment 2 of the present invention;
fig. 3 is a flowchart of another possible implementation manner of controlling a large-screen device by a mobile terminal according to embodiment 2 of the present invention;
FIG. 4 is a schematic view of a process for calibrating a display interface according to embodiment 2 of the present invention;
fig. 5 is a flowchart of another possible implementation manner of controlling a large-screen device by a mobile terminal according to embodiment 2 of the present invention;
fig. 6 is a schematic structural diagram of a mobile terminal for controlling a large-screen device according to embodiment 3 of the present invention;
fig. 7 is a schematic structural diagram of another possible implementation manner of a mobile terminal according to embodiment 3 of the present invention;
fig. 8 is a schematic structural diagram of another possible implementation manner of a mobile terminal according to embodiment 3 of the present invention;
fig. 9 is a schematic structural diagram of a mobile phone 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 invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any inventive step belong to the scope of the embodiments of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a Personal Digital Assistant (PDA), a tablet computer, a portable device (e.g., a portable computer), and the like.
Example 1
Fig. 1 is a flowchart of a method for controlling a large-screen device by a mobile terminal according to embodiment 1 of the present invention.
As shown in fig. 1, a method for controlling a large-screen device by a mobile terminal according to embodiment 1 of the present invention specifically includes:
and S102, starting a view finding function.
The existing mobile terminals, such as mobile phones, are generally equipped with a camera, which can implement a view finding function. The viewfinder function is generally a function of monitoring an image through an eyepiece or a liquid crystal display during photographing or imaging. And opening a view finding function of the mobile terminal.
And S104, acquiring a display interface of the large-screen equipment through a view finding function.
The embodiment of the invention obtains the display interface of the large-screen equipment needing to be controlled through the view finding function generally used in the photographing and shooting processes.
S106, acquiring first control information, wherein the first control information is acquired according to input of a user.
According to the operation of a user, first control information input by the user is acquired. The user controls the display interface at the mobile terminal according to the display interface of the large-screen equipment which needs to be controlled and is displayed on the display screen of the mobile terminal, and the mobile terminal acquires control information of the user, wherein the control information is first control information.
It should be understood that although the terms first, second, etc. may be used to describe various control information in the embodiments of the present invention, the control information should not be limited to these terms. These terms are only used to distinguish control information from each other. For example, the first control information may also be referred to as second control information, and similarly, the second control information may also be referred to as first control information without departing from the scope of embodiments of the present invention.
And S108, sending second control information, wherein the second control information is obtained by converting the first control information according to the resolution information of the large-screen equipment obtained in advance and a reference coordinate system.
The mobile terminal acquires information such as resolution and a reference coordinate system of a display screen of large-screen equipment needing to be controlled in advance. And after the first control information input by the user is acquired, converting the first control information into control information which can be used by the large-screen equipment according to the resolution and the reference coordinate system, wherein the control information is second control information. After the second control information is acquired by the conversion, the second control information is transmitted.
The embodiment of the invention provides a novel method for controlling a large-screen device by a mobile terminal, which is characterized in that a display interface of the large-screen device is obtained through a view finding function of the mobile terminal, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, so that the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience is improved.
Example 2
Fig. 2 is a flowchart of a possible implementation manner of controlling a large-screen device by a mobile terminal according to embodiment 2 of the present invention.
Inventive example 2 is described on the basis of inventive example 1.
Step S102 in embodiment 1 may specifically include:
s1021, when the mobile terminal is detected to be in a vertical state, the framing function is started, and the vertical state is a state that an included angle between the mobile terminal and a horizontal plane is larger than 80 degrees and smaller than 110 degrees.
Mobile terminals generally have functions such as a gyroscope that can detect the state of the mobile terminal. And when the terminal is detected to be in a nearly vertical state, the view finding function is automatically started. The vertical state is a relative position relationship between the mobile terminal and a horizontal plane, and generally, a state in which an included angle between the mobile terminal and the horizontal plane is greater than 80 degrees and less than 110 degrees may be considered as a state in which the mobile terminal is close to vertical. It should be understood that more than 80 degrees and less than 110 degrees are only one preferred implementation for achieving the object of the present invention, and any angle is within the protection scope of the embodiment of the present invention, and the embodiment of the present invention does not limit the angle, in the case that the object of the present invention can be achieved.
And S1022, starting the view finding function according to the input of the user.
The mobile terminal can receive input of a user, and when the user instructs the mobile terminal to start the view finding function through the input, the mobile terminal starts the view finding function. The user can open the view finding function at any time according to the needs of the user so as to realize the control of the large-screen equipment.
The embodiment of the invention provides a novel method for controlling a large-screen device by a mobile terminal, which is characterized in that a display interface of the large-screen device is obtained through a view finding function of the mobile terminal, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, so that the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience is improved.
Alternatively to this, the first and second parts may,
with reference to embodiment 1 of the present invention, step S104 in embodiment 1 may specifically include:
and S1041, acquiring an initial display interface through an automatic focusing function of the framing function.
After the mobile terminal starts the view finding function, the view finding function automatically detects whether a bright rectangular area with colorful patterns exists or not, the pattern content is static, if so, the rectangular area is considered as a display interface of large-screen equipment, and if not, the detection is continued until a picture with the characteristics is detected. After the picture is detected, a clear display interface of the large-screen device is obtained through an automatic focusing function, the display interface is an initial display interface, and the initial display interface is further adjusted by the mobile terminal according to user input. It should be understood that, in addition to the auto-focus function of the mobile terminal, the user may manually focus and adjust the initial display interface according to his or her own needs.
S1042, detecting whether the initial display interface is a special display interface by sending a special display mode instruction.
And sending a special display mode instruction according to the input of a user, receiving the special display mode instruction by the large-screen equipment, and displaying a special display interface according to the instruction. And the mobile terminal detects whether the initial display interface acquired by the view finding function displays a special display interface according to the special display mode instruction. The special display mode instruction can be various, and the purpose of the instruction is to ensure that the mobile terminal obtains a correct display interface of the large-screen device to be controlled, avoid mistaking a slider, a mirror and the like as the display interface of the large-screen device, or selecting the display interface which is actually controlled by a user from the display interfaces of the large-screen devices. The special display mode instruction may be to make the display interface flash once in a full screen, or make the display interface shake once, and the like, which is not limited in the embodiment of the present invention.
S1043, if the initial display interface is a special display interface, acquiring the initial display interface.
And according to the detection result, if the initial display interface is a special display interface, acquiring the initial display interface. And using the initial display interface as an interface for further operation of the user.
The embodiment of the invention provides a novel method for controlling a large-screen device by a mobile terminal, which is characterized in that a display interface of the large-screen device is obtained through a view finding function of the mobile terminal, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, so that the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience is improved.
Alternatively to this, the first and second parts may,
fig. 3 is a flowchart of another possible implementation manner of controlling a large-screen device by a mobile terminal according to embodiment 2 of the present invention.
As shown in fig. 3, after step S104, step S105 may be further included before step S106:
s105, displaying the display interface on a display screen of the mobile terminal in a full screen mode through a correction function;
and the display interface is displayed on the display screen of the mobile terminal in a full screen mode through the correction function of the mobile terminal. Wherein the correction function comprises: various correction modes such as trapezoidal correction and pillow correction. The process of correcting the display interface is described in detail below in conjunction with fig. 4.
Fig. 4 is a schematic view of a process of correcting a display interface according to embodiment 2 of the present invention. As shown in fig. 4, the correction process specifically includes:
s201, enabling the upper edge of the display interface to be parallel to the upper edge frame of the display screen of the mobile terminal through rotation.
S202, the left side of the display interface is enabled to be parallel to the left frame of the display screen of the mobile terminal through parallelogram correction.
And S203, through horizontal trapezoidal correction, enabling the right side of the display interface to be parallel to a frame of the display screen of the mobile terminal.
And S204, through vertical trapezoidal correction, enabling the lower edge of the display interface to be parallel to a lower frame of the display screen of the mobile terminal.
S205, the display interface is made to fill the display screen of the mobile terminal by locking the aspect ratio scaling.
Through the correction process, the display interface is displayed on the display screen of the mobile terminal in a full screen mode, and it should be understood that the correction steps are only one possible implementation mode for achieving the purpose of the invention, and more or fewer steps can be used for achieving the purpose of the correction. Also, any other method steps that can achieve the calibration purpose should be considered to be within the scope of the embodiments of the present invention.
The embodiment of the invention provides a novel method for controlling a large-screen device by a mobile terminal, which is characterized in that a display interface of the large-screen device is obtained through a view finding function of the mobile terminal, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, so that the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience is improved.
Alternatively to this, the first and second parts may,
the first control information in step S106 in embodiment 1 may include:
type information of the first control information and location information of the first control information; wherein the type information includes: click information, double click information, slide information, drag information, and zoom information; the location information includes; and coordinate information of the control information on the display screen.
The first control information is original control information input by a user, and the control information input by the user includes type information and location information. Specifically, the type information includes: click information, double click information, slide information, drag information, zoom information, etc., which can identify the type of user input in the related art. Meanwhile, the position information is specifically coordinate information input on the display screen by a user and can be represented.
And converting the first control information according to the resolution information of the large-screen equipment acquired in advance and a reference coordinate system to acquire second control information. The second control information type information and the location information. The type information of the second control information is the same as that of the first control information, and the position information of the second control information needs to be obtained by conversion according to the resolution information and the debris coordinate system. The method of acquisition is specifically described below. First, X in coordinate information of first control information is set1Multiplying by a horizontal scaling factor kw, Y1Multiplying by a vertical scaling factor kh to obtain an intermediate coordinate. And acquiring a horizontal scaling coefficient kw and a vertical scaling coefficient kh according to the resolution information of the large-screen equipment and the resolution information of the display screen of the mobile terminal. Then, the coordinate information of the second control information is obtained by adding the origin offset to the intermediate coordinates.
The embodiment of the invention provides a novel method for controlling a large-screen device by a mobile terminal, which is characterized in that a display interface of the large-screen device is obtained through a view finding function of the mobile terminal, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, so that the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience is improved.
Alternatively to this, the first and second parts may,
fig. 5 is a flowchart of another possible implementation manner of controlling a large-screen device by a mobile terminal according to embodiment 2 of the present invention.
As shown in fig. 5, step S109 is further included after step S108 in embodiment 1.
And S109, when the mobile terminal is detected to be in a horizontal state, closing the view finding function, wherein the horizontal state is that the included angle between the mobile terminal and the horizontal plane is less than 30 degrees.
Mobile terminals generally have functions such as a gyroscope that can detect the state of the mobile terminal. And when the terminal is detected to be in a nearly horizontal state, the view finding function is closed. The horizontal state is a relative position relationship between the mobile terminal and a horizontal plane, and generally, a state in which an included angle between the mobile terminal and the horizontal plane is less than 30 degrees may be considered as a state in which the mobile terminal is close to horizontal. It should be understood that less than 30 degrees is only a preferred implementation for achieving the objectives of the present invention, and any angle is within the protection scope of the embodiments of the present invention, and the embodiments of the present invention do not limit the angle.
The embodiment of the invention provides a novel method for controlling a large-screen device by a mobile terminal, which is characterized in that a display interface of the large-screen device is obtained through a view finding function of the mobile terminal, a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen device, so that the data volume needing to be transmitted through a wireless network in the control process is reduced, the pressure of the transmission network is reduced, the requirement on the performance of the transmission network in the process of controlling the large-screen device is lowered, meanwhile, the delay and the error rate of the transmission of the control information are reduced, and the user experience is improved.
Example 3
Fig. 6 is a schematic structural diagram of a mobile terminal for controlling a large-screen device according to embodiment 3 of the present invention.
As shown in fig. 6, a mobile terminal for controlling a large-screen device according to embodiment 3 of the present invention may include:
a framing unit 302 for framing;
a first obtaining unit 304, configured to receive information of the view unit 302, and obtain a display interface of a large-screen device according to the information;
a second obtaining unit 306 configured to obtain first control information, which is information obtained according to an input by a user;
a sending unit 308, configured to receive the first control information of the second obtaining unit 306, and send second control information according to the first control information, where the second control information is obtained by converting the first control information according to resolution information of the large-screen device obtained in advance and a reference coordinate system.
A view unit 302 is used for viewing, and a first acquisition unit 304 is used for receiving information of the view unit 302 and acquiring a display interface of a large-screen device according to the information; the second acquisition unit 306 acquires first control information, which is information acquired according to input by the user; the sending unit 308 receives the first control information of the second obtaining unit 306, and sends second control information according to the first control information.
The viewfinder unit 302, the first obtaining unit 304, the second obtaining unit 306, and the sending unit 308 may be configured to execute the methods of S102, S104, S106, and S108 in embodiment 1, and the specific method is described in embodiment 1 for details, and is not described herein again.
The embodiment of the invention provides a mobile terminal for controlling large-screen equipment, which obtains a display interface of the large-screen equipment through a view finding function of the mobile terminal, and a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen equipment, thereby reducing the data volume needing to be transmitted through a wireless network in the control process, reducing the pressure of a transmission network, lowering the requirement on the performance of the transmission network in the process of controlling the large-screen equipment, simultaneously reducing the delay and error rate of control information transmission and improving the user experience.
Alternatively to this, the first and second parts may,
fig. 7 is a schematic structural diagram of another possible implementation manner of a mobile terminal according to embodiment 3 of the present invention. As shown in fig. 7: the mobile terminal may further include:
a sensing unit 301, configured to detect that the mobile terminal is in a near-vertical state or a near-horizontal state; wherein, the vertical state is a state that the included angle between the mobile terminal and the horizontal plane is more than 80 degrees and less than 110 degrees; the horizontal state is that the included angle between the mobile terminal and the horizontal plane is less than 30 degrees.
The sensing unit 301 may be configured to execute the methods of S1021 and S109 in embodiment 2, and the specific method is described in embodiment 2 for details, and is not described herein again.
The embodiment of the invention provides a mobile terminal for controlling large-screen equipment, which obtains a display interface of the large-screen equipment through a view finding function of the mobile terminal, and a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen equipment, thereby reducing the data volume needing to be transmitted through a wireless network in the control process, reducing the pressure of a transmission network, lowering the requirement on the performance of the transmission network in the process of controlling the large-screen equipment, simultaneously reducing the delay and error rate of control information transmission and improving the user experience.
Alternatively to this, the first and second parts may,
the mobile terminal further includes:
a correcting unit 3051, configured to receive the display interface of the first obtaining unit 304, and correct the display interface;
the display unit 3052 is configured to receive the display interface of the correction unit 3051, and display the display interface on a display screen of the mobile terminal in a full screen manner.
The correcting unit 3051 and the displaying unit 3052 may be used to execute the method in step S105 in embodiment 2, and the specific method is described in embodiment 2 for details, which are not described herein again.
The embodiment of the invention provides a mobile terminal for controlling large-screen equipment, which obtains a display interface of the large-screen equipment through a view finding function of the mobile terminal, and a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen equipment, thereby reducing the data volume needing to be transmitted through a wireless network in the control process, reducing the pressure of a transmission network, lowering the requirement on the performance of the transmission network in the process of controlling the large-screen equipment, simultaneously reducing the delay and error rate of control information transmission and improving the user experience.
Alternatively to this, the first and second parts may,
fig. 8 is a schematic structural diagram of another possible implementation manner of a mobile terminal according to embodiment 3 of the present invention. As shown in fig. 8:
the mobile terminal further includes:
a processing unit 307, configured to receive the first control information of the second obtaining unit 306, and obtain the second control information through resolution information of a large-screen device and a reference coordinate system obtained in advance.
The processing unit 307 may be configured to execute the method in embodiment 2, and the specific method is described in embodiment 2 for details of the method, which is not described herein again.
The embodiment of the invention provides a mobile terminal for controlling large-screen equipment, which obtains a display interface of the large-screen equipment through a view finding function of the mobile terminal, and a user operates on the display screen of the mobile terminal and sends the converted control information to the large-screen equipment, thereby reducing the data volume needing to be transmitted through a wireless network in the control process, reducing the pressure of a transmission network, lowering the requirement on the performance of the transmission network in the process of controlling the large-screen equipment, simultaneously reducing the delay and error rate of control information transmission and improving the user experience.
Example 4
As shown in fig. 9, the embodiment of the present invention is specifically described by taking a mobile phone as an example. It should be understood that the illustrated handset is merely one example of a handset, and that handset 600 may have more or fewer components than shown, may combine two or more components, or may have a different configuration of components. The various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.
Fig. 9 is a schematic structural diagram of a mobile phone according to an embodiment of the present invention. As shown in fig. 9, the mobile phone includes: touch screen 41, memory 42, CPU43, power management chip 44, RF circuitry 45, peripherals interface 46, audio circuitry 47, viewfinder 48, I/O subsystem 49.
The touch screen 41 is configured to acquire first control information. The first control information is information acquired according to an input of a user. The method for acquiring the first control information by the touch screen is detailed in the method of S106 in embodiment 1 and embodiment 2, and is not described herein again. Type information of the first control information and location information of the first control information; wherein the type information includes: click information, double click information, slide information, drag information, and zoom information; the location information includes; and coordinate information of the control information on the display screen. The touch screen 41 can also be used to display the display interface of the large screen device, including displaying the initial display interface and the corrected display interface, and so on.
The touch screen 41 is an input interface and an output interface between the mobile phone and the user, and has functions of acquiring touch information and control instructions of the user, and also presents visual output to the user, where the visual output may include graphics, text, icons, video, and the like.
The memory 42 may be used to store the first control information and the second control information. And also for storing pre-acquired resolution information and reference coordinate system of the large screen device for use in conversion by the CPU 43. The memory 42 may be accessed by the CPU43, the peripheral interface 46, and the like, and the memory 42 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other volatile solid state storage devices.
The CPU43 may be configured to convert the first control information into second control information. And is also used for displaying the display interface of the large-screen device acquired by the viewfinder 48 on the touch screen 41 of the mobile phone in a full screen after being corrected. The CPU43 is the control center of the handset, and connects the various parts of the entire handset using various interfaces and lines to perform various functions of the handset and process data by running or executing software programs and/or modules stored in the memory 42 and calling data stored in the memory 42, thereby performing overall monitoring of the handset. Alternatively, CPU43 may include one or more processing units; preferably, the CPU43 may integrate an application processor, which primarily handles operating systems, user interfaces, application programs, 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 CPU 43. It should also be appreciated that the above-described functions are merely one of the functions that the CPU43 is capable of performing and embodiments of the present invention are not limited with respect to other functions.
The power management chip 44 may be used to provide power and manage power to the hardware connected to the CPU43, the I/O subsystem 49, and the peripheral interface 46.
The RF circuit 45 is configured to transmit second control information. The RF circuit 45 is mainly used to establish communication between the mobile phone and the wireless network (i.e., network side), and to achieve data acquisition and transmission between the mobile phone and the wireless network. Such as sending and receiving short messages, e-mails, etc. Specifically, the RF circuit 45 acquires and transmits RF signals, which are also referred to as electromagnetic signals, and the RF circuit 45 converts electrical signals into electromagnetic signals or converts electromagnetic signals into electrical signals and communicates with a communication network and other devices through the electromagnetic signals. The RF circuitry 45 may include known circuitry for performing these functions including, but not limited to, an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC chipset, a Subscriber Identity Module (SIM), and so forth.
The peripheral interface 46, which may connect input and output peripherals of the device to the CPU43 and the memory 42.
The audio circuit 47 is mainly used for acquiring audio data from the peripheral interface 46 and converting the audio data into an electrical signal.
The viewfinder 48 may be used for a view finding function to obtain a display interface of the large screen device. The viewfinder can be arranged on the mobile phone independently and can also be contained in functions of photographing, shooting and the like.
The I/O subsystem 49: the I/O subsystem 49 may control input/output peripherals on the device, and the I/O subsystem 49 may include a display controller 491 and one or more input controllers 492 for controlling other input/control devices. Optionally, one or more input controllers 492 obtain electrical signals from or send electrical signals to other input/control devices, which may include physical buttons (push buttons, rocker buttons, etc.), dials, slide switches, joysticks, click wheels. It is worth noting that the input controller 492 may be connected to any of the following: a keyboard, an infrared port, a USB interface, and a pointing device such as a mouse. The display controller 491 in the I/O subsystem 49 obtains electrical signals from the touchscreen 41 or sends electrical signals to the touchscreen 41. The touch screen 41 acquires a contact on the touch screen, and the display controller 491 converts the acquired contact into an interaction with a user interface object presented on the touch screen 41, that is, realizes a human-computer interaction, where the user interface object presented on the touch screen 41 may be an icon for running a game, an icon networked to a corresponding network, a filtering mode, or the like. It is worth mentioning that the device may also comprise a light mouse, which is a touch sensitive surface that does not present a visual output, or an extension of the touch sensitive surface formed by the touch screen.
The viewfinder 48 acquires a display interface of the large-screen device and displays it on the touch screen 41. The touch screen 41 is further configured to receive first control information input by a user, and the CPU43 is configured to perform conversion according to the resolution information of the large-screen device and the reference coordinate system, which are acquired in advance by the memory 42 terminal, to acquire second control information. The RF circuit 45 is used to transmit the second control information to the large screen device.
The above structure can be used for executing the methods in embodiments 1 and 2, and the specific methods are described in embodiments 1 and 2, and are not described herein again.
The embodiment of the invention provides a mobile phone for controlling large-screen equipment, which obtains a display interface of the large-screen equipment through a view finding function of the mobile phone, and a user operates on the display screen of the mobile phone and sends the converted control information to the large-screen equipment, thereby reducing the data volume needing to be transmitted through a wireless network in the control process, reducing the pressure of a transmission network, lowering the requirement on the performance of the transmission network in the process of controlling the large-screen equipment, simultaneously reducing the delay and error rate of control information transmission and improving the user experience.
Through the above description of the embodiments, those skilled in the art will clearly understand that the embodiments of the present invention may be implemented by hardware, firmware, or a combination thereof. When implemented in software, the functions described above may be stored on or transmitted over as one or more instructions or code on a mobile terminal-readable medium. Mobile terminal readable media includes both mobile terminal storage media and communication media including any medium that facilitates transfer of a mobile terminal program from one place to another. A storage media may be any available media that can be accessed by a mobile terminal. Taking this as an example but not limiting: the mobile terminal-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by the mobile terminal. Furthermore, the method is simple. Any connection is properly termed a mobile terminal-readable medium. For example, if software is transmitted from a website, a server, or other remote source using a coaxial cable, a fiber optic cable, a twisted pair, a Digital Subscriber Line (DSL), or a wireless technology such as infrared, radio, and microwave, the coaxial cable, the fiber optic cable, the twisted pair, the DSL, or the wireless technology such as infrared, radio, and microwave are included in the fixation of the medium. Disk (Disk) and disc (disc), as used in embodiments of the present invention, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy Disk and blu-ray disc where optical data is reproduced, optionally magnetic, while disc uses lasers to reproduce data optically. Combinations of the above should also be included within the scope of mobile terminal-readable media.
In short, the above description is only an example of the technical solution of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for controlling a large-screen device by a mobile terminal is characterized by comprising the following steps:
opening a view finding function;
acquiring a display interface of the large-screen equipment through a view finding function;
acquiring first control information, wherein the first control information is information acquired according to input of a user;
and sending second control information, wherein the second control information is acquired by converting the first control information according to the resolution information of the large-screen equipment acquired in advance and a reference coordinate system.
2. The method according to claim 1, wherein the turning on the viewfinder function specifically includes:
when the mobile terminal is detected to be in a vertical state, starting the view finding function, wherein the vertical state is a state that an included angle between the mobile terminal and a horizontal plane is larger than 80 degrees and smaller than 110 degrees; or,
and starting the view finding function according to the input of the user.
3. The method according to claim 1 or 2, wherein the acquiring a display interface of the large-screen device through the view function specifically includes:
acquiring an initial display interface through an automatic focusing function of the view finding function;
detecting whether the initial display interface is a special display interface by sending a special display mode instruction, wherein the special display interface comprises: a flickering interface, a jittering interface;
and if the initial display interface is a special display interface, acquiring the initial display interface.
4. The method according to any one of claims 1 to 3, wherein after the acquiring of the display interface of the large-screen device through the view function, before the acquiring of the first control information of the user, the method further comprises:
displaying the display interface on a display screen of the mobile terminal in a full screen mode through a correction function;
wherein the correction function comprises: trapezoidal correction and pillow correction.
5. The method according to any of claims 1 to 4, wherein the first control information comprises:
type information of the first control information and location information of the first control information;
wherein the type information includes: click information, double click information, slide information, drag information, and zoom information;
the location information includes; and coordinate information of the control information on the display screen.
6. The method according to any one of claims 1 to 5, further comprising:
and when the mobile terminal is detected to be in a horizontal state, closing the view finding function, wherein the horizontal state is that the included angle between the mobile terminal and the horizontal plane is less than 30 degrees.
7. A mobile terminal for controlling a large screen device, the mobile terminal comprising:
a view finding unit for finding a view;
the first acquisition unit is used for receiving the information of the view finding unit and acquiring a display interface of the large-screen equipment according to the information;
a second acquisition unit configured to acquire first control information, the first control information being information acquired according to an input by a user;
and the sending unit is used for receiving the first control information of the second acquiring unit and sending second control information according to the first control information, wherein the second control information is acquired by converting the first control information according to the resolution information of the large-screen equipment acquired in advance and a reference coordinate system.
8. The mobile terminal of claim 7, wherein the mobile terminal further comprises:
the sensing unit is used for detecting that the mobile terminal is in a nearly vertical state or a nearly horizontal state;
wherein, the vertical state is that the included angle between the mobile terminal and the horizontal plane is more than 80 degrees and less than 110 degrees
The status of the degree;
the horizontal state is that the included angle between the mobile terminal and the horizontal plane is less than 30 degrees.
9. The mobile terminal according to any of claims 7 or 8, wherein the mobile terminal further comprises:
the correction unit is used for receiving the display interface of the first acquisition unit and correcting the display interface;
and the display unit is used for receiving the display interface of the correction unit and displaying the display interface on the display screen of the mobile terminal in a full screen mode.
10. The mobile terminal according to any of claims 7 to 9, characterized in that the mobile terminal further comprises:
and the processing unit is used for receiving the first control information of the second acquisition unit and acquiring the second control information through the resolution information of the large-screen equipment and a reference coordinate system which are acquired in advance.
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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