CN107332845A - Meeting projection annotation method, mobile terminal and computer-readable recording medium - Google Patents
Meeting projection annotation method, mobile terminal and computer-readable recording medium Download PDFInfo
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- CN107332845A CN107332845A CN201710535484.3A CN201710535484A CN107332845A CN 107332845 A CN107332845 A CN 107332845A CN 201710535484 A CN201710535484 A CN 201710535484A CN 107332845 A CN107332845 A CN 107332845A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
- H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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Abstract
Annotation method is projected the invention discloses a kind of meeting, applied to mobile terminal, including：During displaying projects the video at speaker end from meeting, annotation addition instruction is received；When receiving the annotation addition instruction, default annotation instrument is called；Annotation content is received based on the default annotation instrument, and the annotation content is superimposed upon on the video of displaying is shown.The invention also discloses a kind of mobile terminal and computer-readable storage media.The present invention can enrich the business function of mobile terminal meeting projection.
Description
Technical field
The present invention relates to intelligent terminal technical field, and in particular to a kind of meeting projection annotation method, mobile terminal and meter
Calculation machine readable storage medium storing program for executing.
Background technology
With the development of intelligent terminal technology, by Wi-Fi, the wireless communication technology such as bluetooth and NFC, such as mobile phone are mobile
Terminal can also turn into " projection source ", as speaker end by the screen content of itself be " projected " into the form of video many other
Mobile terminal is shown, and realizes one-to-many meeting projecting function, so that greatly convenient for users to use.
However, these emerging functions remain deficiency, such as when meeting is projected, for participant end, although
The information at speaker end can synchronously be received, but whole conference process can only be dominated by projection source, user can not by oneself
Thoughts and harvest are recorded in time.
The content of the invention
The present invention provides a kind of meeting projection annotation method, mobile terminal and computer-readable recording medium, it is intended to abundant
The business function of mobile terminal meeting projection.
For achieving the above object, the present invention provides a kind of meeting projection annotation method, meeting projection annotation method
Including：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving the annotation addition instruction, default annotation instrument is called；
Annotation content is received based on the default annotation instrument, and the video that the annotation content is superimposed upon into displaying is enterprising
Row displaying.
Further, the present invention also provides a kind of mobile terminal, and the mobile terminal includes：
The meeting that is stored with projects the memory of annotation program；
Processor, is configured to perform the meeting projection annotation program to realize following steps：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving the annotation addition instruction, default annotation instrument is called；
Annotation content is received based on the default annotation instrument, and the video that the annotation content is superimposed upon into displaying is enterprising
Row displaying.
Further, the present invention also provides a kind of computer-readable recording medium, is deposited on the computer-readable recording medium
Meeting projection annotation program is contained, the meeting projection annotation program realizes following steps when being executed by processor：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving the annotation addition instruction, default annotation instrument is called；
Annotation content is received based on the default annotation instrument, and the video that the annotation content is superimposed upon into displaying is enterprising
Row displaying.
The present invention passes through mobile terminal during displaying projects the video at speaker end from meeting, receives annotation addition and refers to
Order, and when receiving annotation addition instruction, default annotation instrument is called, so as to be received based on default annotation instrument in annotation
Hold, and the annotation content of reception is superimposed upon on the video of displaying be shown so that user can when being actually needed incite somebody to action
The thoughts of oneself and harvest are recorded in time, enrich the business function of mobile terminal meeting projection.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the invention；
Fig. 2 is a kind of communications network system Organization Chart of mobile terminal as shown in Figure 1；
Fig. 3 is the schematic flow sheet that meeting of the present invention projects annotation method first embodiment；
Fig. 4 is the configuration interface exemplary plot that meeting of the present invention projects that meeting is projected in annotation method first embodiment；
Fig. 5 is the linkage interface exemplary plot that meeting of the present invention projects that meeting is projected in annotation method first embodiment；
Fig. 6 projects the example for the annotation control that mobile terminal in annotation method first embodiment is provided for meeting of the present invention
Figure；
Fig. 7 projects one kind that mobile terminal is provided in annotation method first embodiment for meeting of the present invention and presets annotation instrument
Exemplary plot；
Fig. 8 is the example that meeting of the present invention projects mobile terminal superposition displaying annotation content in annotation method first embodiment
Figure；
Fig. 9 projects another default annotation work that mobile terminal is provided in annotation method second embodiment for meeting of the present invention
The exemplary plot of tool；
Figure 10 is projected in annotation method fourth embodiment for meeting of the present invention screen being divided into first area and the secondth area
The exemplary plot in domain；
Figure 11 is the friendship that meeting of the present invention projects that mobile terminal displaying other-end is sent in annotation method fourth embodiment
The exemplary plot of mutual information.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In follow-up description, the suffix using such as " module ", " part " or " unit " for representing element is only
Be conducive to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " part " or " unit " can be mixed
Ground is used.
Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone, flat board
Computer, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
Media player (Portable Media Player, PMP), guider, wearable device (such as Intelligent bracelet), pedometer
Deng mobile terminal, and the fixed terminal such as numeral TV, desktop computer.
It will be illustrated in subsequent descriptions by taking mobile terminal as an example, it will be appreciated by those skilled in the art that except special
Outside element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, its hardware configuration signal for realization one optional mobile terminal of each embodiment of the invention
Figure, the mobile terminal 1 00 can include：RF (Radio Frequency, radio frequency) unit 101, Wi-Fi module 102, audio are defeated
Go out unit 103, A/V (audio/video) input block 104, sensor 105, display unit 106, user input unit 107, connect
The parts such as mouth unit 108, memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that in Fig. 1
The mobile terminal structure shown does not constitute the restriction to mobile terminal, and mobile terminal can include more more or less than illustrating
Part, either combines some parts or different parts arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, up data are sent into base station.Generally, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..
Wi-Fi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch by Wi-Fi module 102
Email, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 1
Wi-Fi module 102 is shown, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can basis
Need to omit in the essential scope for do not change invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 1 00
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, it is that radio frequency unit 101 or Wi-Fi module 102 are received or
The voice data that person stores in memory 109 is converted into audio signal and is output as sound.Moreover, audio output unit
103 can also provide performed to mobile terminal 1 00 the related audio output of specific function (for example, call signal reception sound,
Message sink sound etc.).Audio output unit 103 can include loudspeaker, buzzer etc..
A/V input blocks 104 are used to receive audio or video signal.A/V input blocks 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042,1041 pairs of graphics processor is in video acquisition mode
Or the view data progress of the static images or video obtained in image capture mode by image capture apparatus (such as camera)
Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after being handled through graphics processor 1041 can be deposited
Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or Wi-Fi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound
The noise produced during frequency signal or interference.
Mobile terminal 1 00 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 1 00 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity are can detect that when static, the application available for identification mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can be wrapped
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.
User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071 with
And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch operation of the user on or near it
(such as user is using any suitable objects such as finger, stylus or annex on contact panel 1071 or in contact panel 1071
Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, touch detecting apparatus detects the touch orientation of user, and detects touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and the order sent of reception processing device 110 and can be performed.In addition, can
To realize contact panel 1071 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can be wrapped
Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
One or more, do not limit herein specifically.
Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, with preprocessor 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel
1061 be input and the output function that mobile terminal is realized as two independent parts, but in certain embodiments, can
By contact panel 1071 and the input that is integrated and realizing mobile terminal of display panel 1061 and output function, not do specifically herein
Limit.
Interface unit 108 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 1 00.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 1 00 or can be with
For transmitting data between mobile terminal 1 00 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, application program (the such as sound that storing program area can be needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data field can be stored uses created data (such as according to mobile phone
Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, it can also include non-easy
The property lost memory, for example, at least one disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, by operation or performs and is stored in software program and/or module in memory 109, and calls and be stored in storage
Data in device 109, perform the various functions and processing data of mobile terminal, so as to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include one or more processing units；It is preferred that, processor 110 can integrated application processor and modulatedemodulate mediate
Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main
Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Near-field communication (NearFieldCommunication, hereinafter referred to as NFC) is a kind of radio of short distance high frequency
Technology, it is allowed to contactless Point-to-Point Data Transmission is carried out between electronic equipment and exchanges data, is recognized by non-contact radio-frequency
(RFID) develop.NFC working frequencies are 13.56Hz, and effective range is that its transmission speed has 106Kbit/ within 20cm
Second, 212Kbit/ seconds or three kinds of 424Kbit/ seconds.NFC has 3 kinds of mode of operations：Card reader pattern, ad hoc mode, snap gauge are intended
Pattern.In card reader pattern, NFC device produces radiofrequency field and reads and writes data from the outside NFC label using identical standard.
In ad hoc mode, NFC can communicate with other NFC devices, carry out point-to-point data transfer.In snap gauge simulation models, read
Card device is active devices, produces radiofrequency field；NFC device is passive equipment, and simulation one meets the non-contact card of NFC standard
Interacted with card reader.Mobile terminal 1 00 realizes NFC function by NFC controller 111, such as realizes that NFC is paid.
Mobile terminal 1 00 can also include the power supply 112 (such as battery) powered to all parts, it is preferred that power supply 112
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The function such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 1 00 can also will not be repeated here including bluetooth module etc..
For the ease of understanding the embodiment of the present invention, the communications network system that the mobile terminal of the present invention is based on is entered below
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system
Unite as the LTE system of universal mobile communications technology, UE (User Equipment, use of the LTE system including communicating connection successively
Family equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS lands
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned mobile terminal 1 00, and here is omitted.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connected with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide UE201 to EPC203 access.
EPC203 can include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
There is provided carrying and connection management for the control node of signaling between EPC203.HSS2032 is all to manage for providing some registers
Such as function of attaching position register (not shown) etc, and some are preserved about the use such as service features, data rate
The special information in family.All customer data can be transmitted by SGW2034, and PGW2035 can provide UE 201 IP
Address is distributed and other functions, and PCRF2036 is strategy and the charging control strategic decision-making of business data flow and IP bearing resources
Point, it selects and provided available strategy and charging control decision-making with charge execution function unit (not shown) for strategy.
IP operation 204 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia
System) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And following new network system etc., do not limit herein.
Based on above-mentioned mobile terminal hardware configuration and communications network system, each implementation of mobile terminal of the present invention is proposed
Example.
Fig. 1 is refer to, in the first embodiment of mobile terminal of the present invention, the mobile terminal includes：
The meeting that is stored with projects the memory 109 of annotation program；
Processor device 110, the meeting for being configured to store in execution memory 109 projects annotation program to realize following behaviour
Make：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving annotation addition instruction, default annotation instrument is called；
Annotation content is received based on default annotation instrument, and the annotation content of reception is superimposed upon progress on the video of displaying
Displaying.
Further, when processor 110 performs the meeting projection annotation program stored in memory 109, also realize following
Operation：
When the video content for detecting displaying changes, stop the foregoing annotation content that displaying is received.
Further, when processor 110 performs the meeting projection annotation program stored in memory 109, also realize following
Operation：
When receiving annotation modification instruction, the annotation modification instruction based on reception is modified to annotation content, and will
The annotation content of superposition displaying is updated to amended annotation content.
Further, screen is divided into first area and second area, processor 110 is performed in memory 109 and stored
Meeting projection annotation program when, also realize following operate：
Shown in first area during projecting the video at speaker end from meeting, interactive information is also received based on second area
Input instruction；
When receiving interactive information input instruction, input method instrument is called；
The interactive information of input is received based on input method instrument, and the interactive information received based on input method instrument is sent
To target terminal.
Further, when processor 110 performs the meeting projection annotation program stored in memory 109, also realize following
Operation：
When receiving the interactive information of other-end transmission, the second interaction that other-end is sent is shown in second area
Information.
Further, foregoing default annotation instrument includes graphic plotting instrument and/or the text edit tool.
Further, when processor 110 performs the meeting projection annotation program stored in memory 109, also realize following
Operation：
Complete video during recorded meeting projection；
At the end of meeting is projected, each annotation content of reception is synthesized in the complete video of recording.
Further, when processor 110 performs the meeting projection annotation program stored in memory 109, also realize following
Operation：
Choose an annotation content；
Determine that correspondence chooses the interval picture frame of the displaying duration of annotation content in complete video, and annotation content will be chosen
It is synthesized in corresponding picture frame, continues to choose an annotation content, until each annotation content is synthesized in complete video.
Further, the present invention also provides a kind of meeting projection annotation method, applied to the mobile terminal shown in Fig. 1, ginseng
According to Fig. 3, in the first embodiment that meeting of the present invention projects annotation method, meeting projection annotation method includes：
Step S10, during displaying projects the video at speaker end from meeting, receives annotation addition instruction；
Step S20, when receiving annotation addition instruction, calls default annotation instrument；
Step S30, receives annotation content, and the annotation content of reception is superimposed upon into regarding for displaying based on default annotation instrument
It is shown on frequency.
For some business people, some situations for allowing people to be stymied by are run into sometimes, such as need to hold
When emergency meeting is discussed, the conference facilities such as projecting apparatus, TV are can not find；Again or travel outside, desultory phone
Meeting allows people is tired to be unequal to being tired of.To solve these problems well, meeting projecting function arises at the historic moment.
Meeting projection can create conferencing environment easy to use, to support screen prjection between multiple mobile terminals, information with
Operation can be synchronized on each mobile terminal screen for participating in meeting.Meanwhile, each participant can take at any time
Meeting, is truly realized meeting view whenever and wherever possible.
In the present embodiment, " meeting projection " control, when the control is triggered, mobile terminal are provided with mobile terminal
Will go into " conference model ", can as speaker end by itself screen content " projection " to participant end, participant can also be used as
End, receives the screen content projection from speaker end.Wherein, attending a meeting can be by wired mode between speaker end and each participant end
Communication connection is set up, communication connection also can be wirelessly set up, connected with specific reference to the suitable communication of selection is actually needed
Mode, the embodiment of the present invention is not restricted to this, for example, passing through Wi-Fi between speaker end and each participant end in the present embodiment
Communication connection is set up, meeting is created.
By taking mobile phone as an example, mobile phone is after meeting projection control is triggered, and the configuration interface of loaded and displayed conference model is such as schemed
Shown in 4, if user needs its mobile phone as speaker end, " projecting to mobile phone " control that the configuration interface is shown can be clicked on,
Mobile phone redirects the linkage interface shown in loaded and displayed Fig. 5 after " projecting to mobile phone " is triggered, and linkage interface displaying has mobile phone
The connection code " 416 " generated at random.On the other hand, when other users need to add meeting as participant end, grasped by identical
Make the configuration interface of its mobile phone of opening, then click on " receiving projection " control shown on configuration interface, control its mobile phone to redirect
Loaded and displayed linkage interface, afterwards, then can input the connection code shown in Fig. 5 in the connection code input frame of the linkage interface
" 416 ", so that in being added to the meeting that mobile phone shown in Fig. 5 is presided over.After conference creation success, calling terminal will be in real time by its screen
Curtain content is projected to each participant end attended a meeting, and accordingly, participant end will synchronously show the screen content at speaker end.
Participant end of the mobile terminal described below using the present embodiment to attend a meeting is illustrated to the present invention program.
In the present embodiment, speaker end transmits the screen content of itself to each participant end in the form of video, wherein, it is right
Which kind of video code model used in speaker end, the embodiment of the present invention is not particularly limited, can by those skilled in the art according to
It is actually needed and is chosen, is referred to as time epoch video coding technique H.265 for example, can use, wherein, H.265 by MPEG
(Moving Picture Experts Group, dynamic image expert group) tissue is referred to as HEVC (High Efficiency
Video Coding, efficient video coding), it is the part 2 of time generation standard MPEG-H, is not belonging to MPEG-4 standards, has
The stronger compression efficiency than H.264.
Mobile terminal is after the meeting that speaker end is presided over is added, and real-time reception projects the video at speaker end from meeting,
And synchronously shown on screen.During displaying projects the video at speaker end from meeting, annotation addition instruction is received.
In the specific implementation, mobile terminal is provided with " annotation " control at the displaying interface that meeting is projected, as shown in fig. 6,
User can be by clicking on annotation control triggering annotation addition instruction.
Mobile terminal calls default annotation instrument when receiving annotation addition instruction, wherein, foregoing default annotation instrument
Including but not limited to graphic plotting instrument and/or the text edit tool.In the specific implementation, mobile terminal is touched in annotation control
During hair, confirmation receives addition annotation instruction, now calls figure drawing tool and the text edit tool, as shown in fig. 7, will figure
Shape drawing tool and the text edit tool are illustrated on screen to be operated for user.
The graphic plotting instrument is functionally similar to electronics drawing-board, for adding drawing markup content for video, is available for
User's mark goes out the pending screen area gazed at where mark in video, and user can select any of the multiple graphics shapes provided
Kind come mark it is pending gaze at mark, in addition, user can also choose the paintbrush tool in graphic plotting instrument according to actual needs
(Fig. 7 is not shown), draws out the graphics shape of needs in video display region.
Text edit tool is used in annotation edit box add text annotation content for video, for which kind of text added
This annotation content, can be according to actual needs added by user, for example, user adds thoughts and/or the harvest conduct of oneself
Text annotation content.
After default annotation instrument is called, annotation content, including but not limited to figure are received based on default annotation instrument
Annotation content and text annotation content, and after annotation content is received, the annotation content received is superimposed upon displaying
It is shown, i.e., annotation content is illustrated in the figure layer on video display figure layer on video.For example, Fig. 8 is refer to, it is mobile
Terminal is superimposed displaying on the video of displaying the drawing markup content of ellipse.
Further, to avoid the meeting for showing annotation content influence user for a long time from experiencing, in the present embodiment, step
After S30, in addition to：
When the video content for detecting displaying changes, stop the foregoing annotation content that displaying is received.
In the present embodiment, mobile terminal is detected to video content in real time, with determine displaying video content whether
Change.
In the specific implementation, the picture similarity for judging video content change is preset, the similarity can be by this
Art personnel are configured according to actual needs, and the embodiment of the present invention is not particularly limited, for example, settable picture is similar
Spend for [65,100] interval interior any value.
Mobile terminal is truncated to the video content picture of displaying while receiving and showing annotation content, and rear
When annotation content is shown in extension, real-time video content picture is compared with being truncated to video content picture before, and judges
Whether the similarity of the two picture reaches the picture similarity for being used to judge video content change set before, if so, then true
Determine image content not change, otherwise determine that image content changes.
Alternatively, in the present embodiment, the displaying duration of displaying annotation content can also be pre-set, so as to start exhibition
When showing the annotation content of reception, start timer internal and carry out timing, and when timing reaches foregoing displaying duration, stop displaying
The annotation content.
Meeting proposed by the present invention projects annotation method, passes through during displaying projects the video at speaker end from meeting,
Annotation addition instruction is received, and when receiving annotation addition instruction, calls default annotation instrument, so that based on default annotation work
Tool receives annotation content, and the annotation content of reception is superimposed upon on the video of displaying is shown, so that user can be
The thoughts of oneself and harvest are recorded in time when being actually needed, the business function of mobile terminal meeting projection is enriched.
Further, to avoid user's operational error from causing mistake to annotate, based on first embodiment, meeting of the present invention is proposed
The second embodiment of annotation method is projected, in the present embodiment, after step S30, in addition to：
When receiving annotation modification instruction, annotation content is modified based on annotation modification instruction, and exhibition will be superimposed
The annotation content shown is updated to amended annotation content.
Fig. 9 is refer to, in the present embodiment, the default annotation instrument that mobile terminal is called also includes modifiers, user
Modifiers triggering annotation modification instruction can be passed through.
The annotation content of current presentation is switched to editable state by mobile terminal when receiving annotation modification instruction.
Now, user can annotate instrument by former figures and/or text annotates annotation content of the instrument to mobile terminal current presentation
Modify.On the other hand, mobile terminal is based on former figures and annotates instrument and/or text annotation instrument reception user's operation,
And mutually the annotation content of reply current presentation is modified.
After the modification to the annotation content of current presentation is completed, the annotation content of current presentation is updated to after modification
Annotation content, that is to say and amended annotation content is illustrated in the figure layer on video display figure layer.
Further, annotation content is checked at any time for ease of user, based on first embodiment, propose meeting projection of the present invention
The 3rd embodiment of annotation method, provides the preservation scheme of annotation content in the present embodiment, specifically, meeting projection annotation
Method also includes：
Complete video during recorded meeting projection；
At the end of meeting is projected, each annotation content of reception is synthesized in the complete video of recording.
It should be noted that in the present embodiment, during meeting projection is carried out, the projection of mobile terminal synchronization recorded meeting
The complete video of period, while caching each annotation content received.
At the end of meeting is projected, mobile terminal is synthesized each annotation content of the complete video of recording and caching,
Form complete minutes.
Specifically, the complete video that each annotation content of reception is synthesized into recording includes：
Choose an annotation content；
Determine that correspondence chooses the interval picture frame of the displaying duration of annotation content in complete video, and annotation content will be chosen
Be synthesized in corresponding described image frame, continue to choose an annotation content, until each annotation content be synthesized to it is described complete
In video.
In the present embodiment, mobile terminal records the reception time of the annotation content while annotation content is received
Point, when stopping showing the annotation content, records dwell time point, will receive time point and dwell time point formation duration is interval
It is interval as the displaying duration of the annotation content.And so on, the displaying duration of each annotation content received is interval.
At the end of meeting is projected, mobile terminal chooses an annotation content, and when determining that this chooses the displaying of annotation content
It is long interval, afterwards, determine that correspondence chooses the interval picture frame of the displaying duration of annotation content in complete video, is synthesized by image
Technology, chooses annotation content to be inserted into each picture frame of determination this.Wherein, for which kind of image composing technique used, this
Inventive embodiments are not particularly limited, and can according to actual needs be chosen by those skilled in the art.
Further, based on foregoing any embodiment, propose that meeting of the present invention projects the fourth embodiment of annotation method,
In the present embodiment, screen is divided into region and second area, meeting projection annotation method also includes：
Shown in first area during projecting the video at speaker end from meeting, interactive information is also received based on second area
Input instruction；
When receiving interactive information input instruction, input method instrument is called；
The interactive information of input is received based on input method instrument, and the interactive information received based on input method instrument is sent
To target terminal.
In the present embodiment, the screen of mobile terminal is divided into two sub-viewing areas, i.e. first area and in advance
Two regions.Wherein, for the dividing mode of sub-viewing areas, the embodiment of the present invention is not particularly limited, can be by art technology
Personnel are divided according to actual needs, for example, Figure 10 is refer to, using the model split first being arranged above and below in the present embodiment
Region and second area, wherein, first area is used as meeting view field, and second area is used as meeting interaction area, including hands over
Mutual information show area and interactive information input frame.Wherein, " interaction " control can also be set in second area, for triggering movement
Terminal shows interactive information input frame, and in other words, mobile terminal is not to show interactive information input frame all the time, but
Interactive controls just show interactive information input frame after being triggered.
In the present embodiment, mobile terminal is during displaying projects the video at speaker end from meeting, except etc. to be received batch
Outside note addition instruction, interactive information input instruction is also received based on second area, received especially by interactive information input frame
Interactive information input instruction.
In the specific implementation, it is defeated that the interactive information input frame that user can be shown by clicking on second area triggers interactive information
Enter instruction.On the other hand, mobile terminal is when receiving interactive information input instruction, calls input method instrument, and by input method
Tool display is to second area, with the interactive information for the input that user's input is received based on foregoing input method instrument.
After the interactive information of input is received based on input method instrument, the interaction that will be received based on input method instrument
Information is sent to target terminal, wherein, the present embodiment acquiescence will each participant terminal for being attended a meeting in addition to local terminal and speaker end as
Target terminal.
Alternatively, the target terminal of the interactive information of input can be also voluntarily set by user, a kind of side alternatively is used as
Formula, each terminal that attended a meeting can be numbered, for example, itself numbering is " 00 " by speaker end, and according to the ginseng of each participant terminal
Meeting sequential, it is " 01 ", " 02 ", " 03 " etc. to be followed successively by each participant terminal number, and after numbering is completed, by under number information
Be sent to each participant terminal so that each participant terminal grasp itself numbering and other with can terminal numbering.Accordingly, in input
Before interactive information, user can number in interactive information input frame input terminal first, then input interactive information.Accordingly, move
Dynamic terminal can input the target terminal that numbering determines the interactive information of input according to user, and be transmitted.
Further, in the present embodiment, meeting projection annotation method also includes：
When receiving the interactive information of other-end transmission, the interaction letter that other-end is sent is shown in second area
Breath.
In the present embodiment, mobile terminal can also be received and shown from other ends in addition to transmittable interactive information
The interactive information at end (including other and meeting terminal and speaker end), for example, as shown in figure 11, friendship of the mobile terminal in second area
Mutual information show area is shown to the interactive information from other-end.
In addition, the present invention also proposes a kind of computer-readable recording medium, it is stored with the computer-readable recording medium
Meeting projects annotation program, and meeting projection annotation program realizes following operation when being performed by processor 110：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving annotation addition instruction, default annotation instrument is called；
Annotation content is received based on default annotation instrument, and the annotation content of reception is superimposed upon progress on the video of displaying
Displaying.
Further, following operation is also realized when foregoing meeting projection annotation program is performed by processor 110：
When the video content for detecting displaying changes, stop the foregoing annotation content that displaying is received.
Further, following operation is also realized when foregoing meeting projection annotation program is performed by processor 110：
When receiving annotation modification instruction, the annotation modification instruction based on reception is modified to annotation content, and will
The annotation content of superposition displaying is updated to amended annotation content.
Further, screen is divided into first area and second area, foregoing meeting projects annotation program by processor
110 also realize following operation when performing：
Shown in first area during projecting the video at speaker end from meeting, interactive information is also received based on second area
Input instruction；
When receiving interactive information input instruction, input method instrument is called；
The interactive information of input is received based on input method instrument, and the interactive information received based on input method instrument is sent
To target terminal.
Further, following operation is also realized when foregoing meeting projection annotation program is performed by processor 110：
When receiving the interactive information of other-end transmission, the second interaction that other-end is sent is shown in second area
Information.
Further, foregoing default annotation instrument includes graphic plotting instrument and/or the text edit tool.
Further, following operation is also realized when foregoing meeting projection annotation program is performed by processor 110：
Complete video during recorded meeting projection；
At the end of meeting is projected, each annotation content of reception is synthesized in the complete video of recording.
Further, following operation is also realized when foregoing meeting projection annotation program is performed by processor 110：
Choose an annotation content；
Determine that correspondence chooses the interval picture frame of the displaying duration of annotation content in complete video, and annotation content will be chosen
It is synthesized in corresponding picture frame, continues to choose an annotation content, until each annotation content is synthesized in complete video.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the device of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions are to cause a mobile terminal performs the present invention each
Method described in individual embodiment.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of meeting projects annotation method, applied to mobile terminal, it is characterised in that the meeting projects annotation method bag
Include：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving the annotation addition instruction, default annotation instrument is called；
Annotation content is received based on the default annotation instrument, and the annotation content is superimposed upon on the video of displaying the exhibition that carries out
Show.
2. meeting according to claim 1 projects annotation method, it is characterised in that described to be based on the default annotation instrument
Annotation content is received, and the annotation content is superimposed upon after the step of being shown on the video of displaying, in addition to：
When the video content for detecting displaying changes, stop the displaying annotation content.
3. meeting according to claim 1 projects annotation method, it is characterised in that described to be based on the default annotation instrument
Annotation content is received, and the annotation content is superimposed upon after the step of being shown on the video of displaying, in addition to：
When receiving annotation modification instruction, the annotation content is modified based on the annotation modification instruction, and will be folded
Plus the annotation content of displaying is updated to amended annotation content.
4. meeting according to claim 1 projects annotation method, it is characterised in that screen is divided into first area and the
Two regions, the meeting projection annotation method also includes：
Shown in the first area during projecting the video at speaker end from meeting, also received and interacted based on the second area
Information input instruction；
When receiving interactive information input instruction, input method instrument is called；
The interactive information of input is received based on the input method instrument, and the interactive information received based on input method instrument is sent
To target terminal.
5. meeting according to claim 4 projects annotation method, it is characterised in that the meeting projection annotation method is also wrapped
Include：
When receiving the interactive information of other-end transmission, the interaction letter that other-end is sent is shown in the second area
Breath.
6. the meeting projection annotation method according to claim any one of 1-5, it is characterised in that the default annotation instrument
Including graphic plotting instrument and/or the text edit tool.
7. the meeting projection annotation method according to claim any one of 1-5, it is characterised in that the meeting projection annotation
Method also includes：
Complete video during recorded meeting projection；
At the end of meeting is projected, each annotation content of reception is synthesized in the complete video.
8. meeting according to claim 7 projects annotation method, it is characterised in that each annotation content by reception is closed
Include into the step in the complete video：
Choose an annotation content；
Determine that correspondence chooses the interval picture frame of the displaying duration of annotation content in the complete video, and annotation content will be chosen
Be synthesized in corresponding described image frame, continue to choose an annotation content, until each annotation content be synthesized to it is described complete
In video.
9. a kind of mobile terminal, it is characterised in that the mobile terminal includes：
The meeting that is stored with projects the memory of annotation program；
Processor, performs the meeting projection annotation program to realize following steps with the memory communication and being configured to：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving the annotation addition instruction, default annotation instrument is called；
Annotation content is received based on the default annotation instrument, and the annotation content is superimposed upon on the video of displaying the exhibition that carries out
Show.
10. a kind of computer-readable recording medium, it is characterised in that the meeting that is stored with the computer-readable recording medium is thrown
Shadow annotates program, and the meeting projection annotation program realizes following steps when being executed by processor：
During displaying projects the video at speaker end from meeting, annotation addition instruction is received；
When receiving the annotation addition instruction, default annotation instrument is called；
Annotation content is received based on the default annotation instrument, and the annotation content is superimposed upon on the video of displaying the exhibition that carries out
Show.
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| CN201710535484.3A CN107332845A (en) | 2017-07-03 | 2017-07-03 | Meeting projection annotation method, mobile terminal and computer-readable recording medium |
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| CN108304129A (en) * | 2017-12-27 | 2018-07-20 | 杭州迈杰教育科技有限公司 | Teaching electronics exhibition booth annotation method, equipment, storage medium and system |
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| CN112579017A (en) * | 2019-09-30 | 2021-03-30 | 广州视源电子科技股份有限公司 | Courseware annotating method, system, equipment and storage medium |
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| CN119559641A (en) * | 2025-01-23 | 2025-03-04 | 北京七维视觉科技有限公司 | A method and system for parallel annotation of virtual content |
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