CN106375842A - Image sharing device and method - Google Patents
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- CN106375842A CN106375842A CN201610866878.2A CN201610866878A CN106375842A CN 106375842 A CN106375842 A CN 106375842A CN 201610866878 A CN201610866878 A CN 201610866878A CN 106375842 A CN106375842 A CN 106375842A
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- 238000004891 communication Methods 0.000 description 27
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- 238000005516 engineering process Methods 0.000 description 7
- 238000010295 mobile communication Methods 0.000 description 7
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—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
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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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an image sharing device and an image sharing method. The device comprises a sensing module used for sensing whether a screen image changes, and a sending module used for sending the screen image to a receiving end when the screen image changes. Therefore, only when the screen image changes, the screen image is sent to the receiving end once, and when the screen image keeps static, the sending end does not send the screen image to the receiving end; compared with a way of continuously sending the screen image in the prior art, a data interaction frequency between the sending end and the receiving end is greatly reduced, so that power consumption of a terminal is greatly reduced, and the technical problem that the terminal is large in power consumption when sharing the image is solved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an image sharing apparatus and method.
Background
A Wireless Fidelity Display (WFD) technology is a technology that enables a transmitting end such as a smart phone or a notebook to be wirelessly connected with a receiving end such as a television or a Display. In the process of image sharing through WFD, the sending end continuously sends the screen image of the local machine to the receiving end, and the receiving end also continuously receives the screen image and reproduces the screen image on the screen of the local machine.
The sending end and the receiving end continuously send and receive data, data interaction is frequent, power consumption is high, electric quantity of portable terminals such as smart phones and notebooks is greatly consumed, endurance capacity is greatly reduced, and use experience of users is affected.
Disclosure of Invention
The invention mainly aims to provide an image sharing device and method, and aims to solve the technical problem that power consumption of a terminal is high in the image sharing process.
In order to achieve the above object, the present invention provides an image sharing method, including:
the detection module is used for detecting whether the screen image changes;
and the sending module is used for sending the screen image to a receiving end when the screen image changes.
Further, the detection module is configured to: and detecting whether the cache data of the screen image is updated or not, and judging that the screen image is changed when the cache data of the screen image is updated.
Further, the detection module is configured to: whether an operation instruction is received or not is detected, and when the operation instruction is received, the screen image is judged to be changed.
Further, the detection module is configured to: and when a touch screen event, a key event, a voice control event or a gesture control event is detected, judging that an operation instruction is received.
Further, the mobile terminal further comprises a mode control module, wherein the mode control module is used for:
when a user starts a power saving function, triggering the detection module and the sending module to enter a power saving mode; or,
and when the currently shared file is a non-continuous playing file, triggering the detection module and the sending module to enter a power saving mode.
The invention also provides an image sharing method, which comprises the following steps:
the sending terminal detects whether the screen image changes;
and when the screen image changes, the sending end sends the screen image to the receiving end.
Further, the detecting, by the sending end, whether the screen image changes includes:
the sending end detects whether the cache data of the screen image is updated;
and when the cache data of the screen image is updated, the sending end judges that the screen image is changed.
Further, the detecting, by the sending end, whether the screen image changes includes:
the sending end detects whether an operation instruction is received;
and when receiving the operation instruction, the sending end judges that the screen image changes.
Further, the detecting, by the sending end, whether the operation instruction is received includes:
when a touch screen event, a key event, a voice control event or a gesture control event is detected, the sending end judges that an operation instruction is received.
Further, before the step of detecting whether the screen image changes by the sending end, the method further includes:
when a user starts a power saving function, a sending end enters a power saving mode; or,
and when the currently shared file is a non-continuous playing file, the sending end enters a power saving mode.
According to the image sharing method provided by the invention, whether the screen image changes or not is detected by the sending end in the image sharing process, the screen image is sent to the receiving end once only when the screen image changes, and the sending end does not send the screen image to the receiving end when the screen image keeps static. Especially, the longer the screen image change interval time is, the more remarkable the power consumption saving is, so that the method is particularly suitable for sharing non-continuous playing files such as text files, picture files, demonstration files and the like.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an alternative mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
FIG. 3 is a flowchart illustrating an image sharing method according to a first embodiment of the present invention;
FIG. 4 is a flowchart illustrating an image sharing method according to a second embodiment of the present invention;
FIG. 5 is a flowchart illustrating an image sharing method according to a third embodiment of the present invention;
fig. 6 is a schematic block diagram of an image sharing device according to a fourth embodiment of the present invention;
fig. 7 is a block diagram of an image sharing device according to a fifth embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is a schematic hardware structure of an alternative mobile terminal implementing various embodiments of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, an a/V (audio/video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive a broadcast signal by using a signal such as multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), forward link media (MediaFLO)@) A digital broadcasting system of a terrestrial digital broadcasting integrated service (ISDB-T), etc. receives digital broadcasting. The broadcast receiving module 111 may be constructed to be suitable for providing various kinds of broadcast signalsA broadcasting system and the above digital broadcasting system. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetoothTMRadio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbeeTMAnd so on.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.
The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 122, and the camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display module 151. The image frames processed by the cameras 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the construction of the mobile terminal. The microphone 122 may receive sounds (audio data) via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and can process such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the mobile communication module 112 in case of a phone call mode. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display module 151 in the form of a layer, a touch screen may be formed.
The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device. The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display module 151, an audio output module 152, an alarm module 153, and the like.
The display module 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display module 151 may display a User Interface (UI) or a graphic user interface (gui) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.)
(GUI). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display module 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display module 151 and the touch pad are stacked on each other in the form of layers to form a touch screen, the display module 151 may serve as an input device and an output device. The display module 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. The mobile terminal 100 may include two or more display modules (or other display devices) according to a particular desired implementation, for example, the mobile terminal may include an external display module (not shown) and an internal display module (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 into an audio signal and output as sound when the mobile terminal is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.
The alarm module 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm module 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm module 153 may provide an output in the form of a vibration, and when a call, a message, or some other incoming communication (incomingmunication) is received, the alarm module 153 may provide a tactile output (i.e., a vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm module 153 may also provide an output notifying the occurrence of an event via the display module 151 or the audio output module 152.
The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to this point, mobile terminals have been described in terms of their functionality. The present invention can be applied to various types of mobile terminals such as a folder type, a bar type, a swing type, a slide type, and the like.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 275.
Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz,5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In fig. 2, a plurality of satellites 300 are depicted, but it should be understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.
Based on the hardware structure of the mobile terminal and the communication system, embodiments of the image sharing method and device are provided, and the method and device are applied to the mobile terminal, particularly a mobile phone.
The image sharing method and apparatus according to the embodiments of the present invention mainly refer to an image sharing method and apparatus based on WFD, and certainly may be an image sharing method and apparatus based on other image sharing technologies.
As shown in fig. 3, a first embodiment of the image sharing method of the present invention is provided, which includes the following steps:
s11, the sender detects whether the screen image has changed.
After the two terminals establish the WFD connection, one of the terminals is a sending terminal (Source) for sending the shared data to the outside, and the other terminal is a receiving terminal (Sink) for receiving and outputting the shared data.
Optionally, a WFD connection may be established by a plurality of terminals, where one terminal is a sending terminal and the other terminals are receiving terminals; or, one of the terminals is a receiving terminal, and the other terminals are transmitting terminals.
The terminal can be a mobile terminal such as a mobile phone and a tablet, and can also be a large-screen device such as a television and a display.
The sending end can detect whether the screen image changes or not through the following modes:
the first method is as follows: the sending end detects whether the cache data of the screen image is updated or not, when the cache data of the screen image is updated, the screen image is judged to be changed, and otherwise, the screen image is judged not to be changed.
The cache data of the screen image cached by the sending end changes along with the change of the screen image, the new cache data covers the old cache data, and the current cache data is the current screen image, so when the cache data of the screen image is updated, the screen image is changed.
When the detection is carried out in the mode, the method can be suitable for image sharing of various files including continuously played files such as video files.
The second method comprises the following steps: the sending end detects whether an operation instruction is received, and when the operation instruction is received, the screen image is judged to be changed. For example, when a touch screen event, a key event, a voice control event, or a gesture control event is detected, the sending end determines that an operation instruction is received. The touch screen event comprises events such as clicking, sliding and screen pressing, the key event is an event of pressing a physical key or a virtual key, the voice control event is an event of sending a voice command to control the terminal, and the gesture control event is an event of making a volley gesture action to control the terminal.
When sharing a non-continuous playing file (such as a presentation file or a text file), a user usually controls the terminal to convert a picture or turn a page through an operation instruction, so that when detecting that the user sends the operation instruction, the user can judge that the screen image changes.
When the detection is carried out in the mode, the method can only be applied to image sharing of non-continuous playing files.
And S12, when the screen image changes, the sending end sends the screen image to the receiving end.
In the embodiment of the invention, only when the screen image changes, the sending end sends the screen image to the receiving end once, and the receiving end refreshes the currently displayed screen image after receiving the screen image; when the screen image is still, the sending end does not send the screen image to the receiving end, and the receiving end keeps the current screen image unchanged.
In other words, during two adjacent changes of the screen image, the transmitting end only transmits the screen image once (of course, the transmitting end may transmit the screen image twice, three times, and the like for limited times), which greatly reduces the power consumption of the transmitting end and the power consumption of the receiving end compared to the prior art that the screen image is continuously transmitted. The power consumption savings are more significant as the screen image change interval time is longer.
Optionally, since the new cache data in the cache of the sending end overlaps the old cache data, the current cache data is the current screen image. Therefore, when the screen image changes, the sending end directly extracts the cache data of the screen image from the cache and sends the cache data as the screen image to the receiving end.
Optionally, when the screen image changes, the sending end performs a screen capturing operation, captures the current screen image, and sends the current screen image to the receiving end.
According to the image sharing method, the sending end detects whether the screen image changes in the image sharing process, the screen image is sent to the receiving end once only when the screen image changes, and the sending end does not send the screen image to the receiving end when the screen image keeps static. Especially, the longer the screen image change interval time is, the more remarkable the power consumption saving is, so that the method is particularly suitable for sharing non-continuous playing files such as text files, picture files, demonstration files and the like.
Example two
As shown in fig. 4, an image sharing method according to a second embodiment of the present invention is provided, including the following steps:
s21, the sender determines whether the user has turned on the power saving function. When the power saving function is turned on, the power saving mode is entered, and step S23 is executed; when the power saving function is not turned on, the power saving mode is not entered or exited, and step S22 is executed.
The user can turn on or off the power saving function at any time before establishing the WFD connection, after establishing the WFD connection, or even in the screen image sharing process.
Optionally, the sending end may add a power saving function switch option in the setting menu, and the user may enter the setting menu interface at any time and turn on or turn off the power saving function in the setting menu interface.
Optionally, the sending end may receive a user instruction at any time after establishing the WFD connection or during the process of sharing the screen image, and turn on or turn off the power saving function according to the user instruction. The user instruction can be one or a combination of at least two of preset touch screen operation, key operation, voice command and gesture action.
And S22, the sending end continuously sends the screen image to the receiving end.
When the power saving function is not started, the sending end does not enter the power saving mode or exits the power saving mode, and the screen image is continuously sent to the receiving end like the prior art.
Generally, when a sending end shares a video file and other continuously played files, a user can close a power saving function; when the sender shares a non-continuous playing file such as a text file, a presentation file (such as a PPT) and the like, or when a user pauses playing in the process of sharing a video file, the user can start the power saving function.
S23, the sender detects whether the screen image has changed.
And S24, when the screen image changes, the sending end sends the screen image to the receiving end.
In this embodiment, steps S23 and S24 are the same as steps S12 and S13 in the first embodiment, respectively, and are not repeated herein.
Therefore, in the embodiment, by additionally arranging the power saving function switch, a user can select to turn on or turn off the power saving function according to actual needs, and then enter or exit the power saving mode, so that the requirements of the user under different application scenes are met, and the user experience is improved.
EXAMPLE III
As shown in fig. 5, an image sharing method according to a third embodiment of the present invention is provided, including the following steps:
and S31, the sending end judges whether the currently shared file is a continuously played file. When the file is continuously played, entering a power saving mode, and executing step S32; when the file is not continuously played, the power saving mode is not entered or exited, and step S33 is executed.
In this embodiment, the sending end can automatically enter or exit the power saving mode by intelligently judging the type of the currently shared file. Since the picture played by the continuous playing file such as the video file is continuously changed, when the type of the currently shared file is the continuous playing file such as the video file, the power saving mode is not entered or exited, and step S32 is executed; when the type of the currently shared file is a non-continuous playing file such as a picture file, a text file, a presentation file, etc., the power saving mode is entered, and step S33 is executed.
Alternatively, the sender may determine the file type by detecting the extension (i.e., suffix) of the currently analyzed file. For example, when the extension names of the files are avi, mpg, mpeg, rm, rmvb, wmv, mov, mp4 and 3gp, when the file type is a video file, the file is determined to be continuously played; when the extension names of the files are txt, doc, docx, pdf, chm and jar, if the file type is a text file, judging that the file is a non-continuous playing file; when the extension names of the files are ppt and pptx, if the description type is the demonstration file, the file is judged to be non-continuously played; and when the extension names of the files are BMP, JPG, JPEG, PNG and GIF, the file type is a picture file, and the file is judged to be a non-continuous playing file.
Optionally, the sending end may also determine whether the interval time of the screen image change is less than a threshold value in the screen image sharing process; when the current shared file is smaller than or equal to the threshold value, judging the current shared file as a continuous playing file; and when the value is larger than the threshold value, judging that the currently shared file is a non-continuous playing file.
In addition, the sender may also determine the file type in other manners, for example, determine the file type by a name of the file, a storage location of the file (e.g., a storage folder), and so on, which is not described herein again.
And S32, the sending end continuously sends the screen image to the receiving end.
When the currently shared file is a continuously played file, the sending end does not enter the power saving mode or exits the power saving mode, and the screen image is continuously sent to the receiving end like the prior art.
Optionally, in the screen image sharing process, the sending end may also monitor a playing state of the file. When the file is paused, the sending end can automatically enter a power-saving mode (or pause the sending of the screen image); when the file resumes playing, the sender automatically exits the power saving mode (or resumes continuously sending the screen image).
S33, the sender detects whether the screen image has changed.
And S34, when the screen image changes, the sending end sends the screen image to the receiving end.
In this embodiment, steps S33 and S34 are the same as steps S12 and S13 in the first embodiment, respectively, and are not repeated herein.
Therefore, the embodiment automatically enters or exits the power saving mode by intelligently judging the type of the currently shared file, so that the requirements of the user in different application scenes are met, the intelligent level of the terminal is improved, and the user experience is improved.
Example four
As shown in fig. 6, an image sharing apparatus according to a fourth embodiment of the present invention is applied to a transmitting end, and includes a detecting module and a transmitting module, where:
a detection module: the method is used for detecting whether the screen image changes.
The detecting module can detect the change of the screen image by the following modes:
the first method is as follows: the detection module detects whether the cache data of the screen image is updated, and judges that the screen image changes when the cache data of the screen image is updated, or judges that the screen image does not change.
The cache data of the screen image cached by the sending end changes along with the change of the screen image, the new cache data covers the old cache data, and the current cache data is the current screen image, so when the cache data of the screen image is updated, the screen image is changed.
When the detection is carried out in the mode, the method can be suitable for image sharing of various files including continuously played files such as video files.
The second method comprises the following steps: the detection module detects whether an operation instruction is received, and when the operation instruction is received, the screen image is judged to be changed. For example, when a touch screen event, a key event, a voice control event, or a gesture control event is detected, the detection module determines that an operation instruction is received. The touch screen event comprises events such as clicking, sliding and screen pressing, the key event is an event of pressing a physical key or a virtual key, the voice control event is an event of sending a voice command to control the terminal, and the gesture control event is an event of making a volley gesture action to control the terminal.
When sharing a non-continuous playing file (such as a presentation file or a text file), a user usually controls the terminal to convert a picture or turn a page through an operation instruction, so that when detecting that the user sends the operation instruction, the user can judge that the screen image changes.
When the detection is carried out in the mode, the method can only be applied to image sharing of non-continuous playing files.
A sending module: and the receiving end is used for sending the screen image to the receiving end when the screen image is changed. In other words, the sending module intermittently sends the screen image to the receiving end according to the detection result of the detecting module.
In the embodiment of the invention, only when the screen image changes, the sending module sends the screen image to the receiving terminal once, and the receiving terminal refreshes the currently displayed screen image after receiving the screen image; when the screen image is still, the sending module does not send the screen image to the receiving end, and the receiving end keeps the current screen image unchanged.
In other words, during two adjacent changes of the screen image, the sending module sends the screen image only once (of course, the sending module can send the screen image twice, three times, and the like for limited times), which greatly reduces the power consumption of the sending end and the receiving end compared with the mode of continuously sending the screen image in the prior art. The power consumption savings are more significant as the screen image change interval time is longer.
Optionally, since the new cache data in the cache of the sending end overlaps the old cache data, the current cache data is the current screen image. Therefore, when the screen image changes, the sending module directly extracts the cache data of the screen image from the cache, and sends the cache data as the screen image to the receiving end.
Optionally, when the screen image changes, the sending module performs a screen capture operation, captures the current screen image, and sends the current screen image to the receiving end.
According to the image sharing device provided by the embodiment of the invention, whether the screen image changes or not is detected in the image sharing process, the screen image is sent to the receiving end once only when the screen image changes, and the sending end does not send the screen image to the receiving end when the screen image keeps static. Especially, the longer the screen image change interval time is, the more remarkable the power consumption saving is, so that the method is particularly suitable for sharing non-continuous playing files such as text files, picture files, demonstration files and the like.
EXAMPLE five
Referring to fig. 7, a fifth embodiment of an image sharing device according to the present invention is provided, in which a mode control module is added on the basis of the fourth embodiment. The mode control module is used for controlling the sending end to enter or exit the power saving mode, when the sending end enters the power saving mode, the sending module intermittently sends the screen image to the receiving end, and when the sending module exits the power saving mode, the sending module continuously sends the screen image to the receiving end like the prior art.
Optionally, the mode control module determines whether the user has started the power saving function; when the power saving function is started, the mode control module triggers the detection module and the sending module to enter a power saving mode, so that the detection module detects the change of the screen image, and the sending module intermittently sends the screen image to the receiving end according to the detection result; when the power saving function is not turned on, the mode control module does not trigger the detection module (such as turning off or not turning on the detection module) and the sending module to enter the power saving mode, so that the sending module continuously sends the screen image to the receiving end as in the prior art.
The user can turn on or off the power saving function at any time before establishing the WFD connection, after establishing the WFD connection, or even in the screen image sharing process.
For example, the mode control module may add a power saving function switch option in the setting menu, and the user may enter the setting menu interface at any time and turn on or turn off the power saving function in the setting menu interface.
For another example, the mode control module may receive a user command at any time after establishing the WFD connection or during the process of sharing the screen image, and turn on or turn off the power saving function according to the user command. The user instruction can be one or a combination of at least two of preset touch screen operation, key operation, voice command and gesture action.
Generally, when a sending end shares a video file and other continuously played files, a user can close a power saving function; when the sender shares a non-continuous playing file such as a text file, a presentation file (such as a PPT) and the like, or when a user pauses playing in the process of sharing a video file, the user can start the power saving function.
Therefore, by additionally arranging the power saving function switch, a user can selectively turn on or off the power saving function according to actual needs, the requirements of the user under different application scenes are met, and the user experience is improved.
Optionally, the mode control module intelligently determines the type of the currently shared file to control the sending end to automatically enter or exit the power saving mode. Specifically, the mode control module judges whether the currently shared file is a continuously played file; when the file is continuously played, the mode control module triggers the detection module and the sending module to enter a power-saving mode, so that the detection module detects the change of the screen image, and the sending module intermittently sends the screen image to the receiving end according to the detection result; when the file is not continuously played, the mode control module does not trigger the detection module (such as turning off or not starting the detection module) and the sending module to enter the power saving mode, so that the sending module continuously sends the screen image to the receiving end as in the prior art.
For example, the mode control module may determine the file type by detecting an extension (i.e., suffix) of the currently analyzed file. For example, when the extension names of the files are avi, mpg, mpeg, rm, rmvb, wmv, mov, mp4 and 3gp, when the file type is a video file, the file is determined to be continuously played; when the extension names of the files are txt, doc, docx, pdf, chm and jar, if the file type is a text file, judging that the file is a non-continuous playing file; when the extension names of the files are ppt and pptx, if the description type is the demonstration file, the file is judged to be non-continuously played; and when the extension names of the files are BMP, JPG, JPEG, PNG and GIF, the file type is a picture file, and the file is judged to be a non-continuous playing file.
For another example, the mode control module may also determine whether the interval time of the screen image change is less than the threshold value in the screen image sharing process; when the current shared file is smaller than or equal to the threshold value, judging the current shared file as a continuous playing file; and when the value is larger than the threshold value, judging that the currently shared file is a non-continuous playing file.
In addition, the mode control module may also determine the file type in other manners, for example, determine the file type by a name of the file, a storage location of the file (e.g., a storage folder), and so on, which is not described herein again.
Furthermore, in the screen image sharing process, the mode control module can also monitor the playing state of the file. When the file is paused, the mode control module can control the sending end to automatically enter a power-saving mode (or control the sending module to pause sending the screen image); when the file resumes playing, the mode control module controls the sending end to automatically exit the power saving mode (or controls the sending module to resume continuously sending the screen image).
Therefore, the type of the currently shared file is intelligently judged to automatically enter or exit the power saving mode, the requirements of the user in different application scenes are met, the intelligent level of the terminal is improved, and the user experience is improved.
The image sharing device and the image sharing method provided by the embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments in detail, and technical features in the method embodiments are correspondingly applicable in the device embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An image sharing method, comprising:
the detection module is used for detecting whether the screen image changes;
and the sending module is used for sending the screen image to a receiving end when the screen image changes.
2. The image sharing method of claim 1, wherein the detecting module is configured to:
and detecting whether the cache data of the screen image is updated or not, and judging that the screen image is changed when the cache data of the screen image is updated.
3. The image sharing method of claim 1, wherein the detecting module is configured to:
whether an operation instruction is received or not is detected, and when the operation instruction is received, the screen image is judged to be changed.
4. The image sharing method of claim 3, wherein the detecting module is configured to:
and when a touch screen event, a key event, a voice control event or a gesture control event is detected, judging that an operation instruction is received.
5. The image sharing method according to any one of claims 1 to 4, further comprising a mode control module, wherein the mode control module is configured to:
when a user starts a power saving function, triggering the detection module and the sending module to enter a power saving mode; or,
and when the currently shared file is a non-continuous playing file, triggering the detection module and the sending module to enter a power saving mode.
6. An image sharing method is characterized by comprising the following steps:
the sending terminal detects whether the screen image changes;
and when the screen image changes, the sending end sends the screen image to the receiving end.
7. The image sharing method according to claim 6, wherein the detecting whether the screen image changes by the sender comprises:
the sending end detects whether the cache data of the screen image is updated;
and when the cache data of the screen image is updated, the sending end judges that the screen image is changed.
8. The image sharing method according to claim 6, wherein the detecting whether the screen image changes by the sender comprises:
the sending end detects whether an operation instruction is received;
and when receiving the operation instruction, the sending end judges that the screen image changes.
9. The image sharing method according to claim 8, wherein the detecting, by the sender, whether the operation command is received comprises:
when a touch screen event, a key event, a voice control event or a gesture control event is detected, the sending end judges that an operation instruction is received.
10. The image sharing method according to any one of claims 6 to 9, wherein the step of the sender detecting whether the screen image changes further comprises:
when a user starts a power saving function, a sending end enters a power saving mode; or,
and when the currently shared file is a non-continuous playing file, the sending end enters a power saving mode.
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Application publication date: 20170201 |