CN108108139B - Screen projection access method for cloud conference - Google Patents

Screen projection access method for cloud conference Download PDF

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CN108108139B
CN108108139B CN201711376548.6A CN201711376548A CN108108139B CN 108108139 B CN108108139 B CN 108108139B CN 201711376548 A CN201711376548 A CN 201711376548A CN 108108139 B CN108108139 B CN 108108139B
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file
server
audio
kst
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CN108108139A (en
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王昶
梁胜蓝
霍元穗
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Guangzhou Jingxin Herb Garden Information Technology Co ltd
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Guangzhou Jingxin Herb Garden Information Technology Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The invention provides a screen-casting access method of a cloud conference, which is used for realizing synchronous screen casting by being in butt joint with a first client with a voice recording module, and specifically comprises the following steps: uploading a PPT file to a server and converting the PPT file into a preparation file; the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the preparation file, and generates kst a packaging body; the second client calls the API interface to realize the butt joint with the first client, and obtains kst packaging bodies; the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for the user to watch, so as to realize synchronous screen projection of conference projection with the first client in real time. The screen projection access method of the cloud conference can enable a speaker of the conference to be in butt joint with a speaker without additionally installing appointed software, and synchronous screen projection of conference projection with the speaker in real time is achieved.

Description

Screen projection access method for cloud conference
Technical Field
The invention relates to the technical field of cloud conferences, in particular to a screen-casting access method of a cloud conference.
Background
The cloud conference is an efficient, convenient and low-cost conference form based on a cloud computing technology. With the gradual integration of the internet plus into various industries, the cloud conference is supported and approved by a great number of users due to the advantages of improving the communication efficiency, reducing the communication cost and the like.
In the existing conference lecture process, especially conferences in different regions or remote conferences, a screen projection technology is often used for development, and the screen projection technology refers to that a screen of one terminal is mirrored onto another terminal. And when watching the PPT file, listeners in different regions or in remote places need to watch the slide contents of the PPT file by using edited viewing software, so that the PPT file can be synchronously projected. Therefore, the method has the trouble that the remote conference is difficult to be carried out and carried out due to the problems that the watching method of the audiences is complicated, software authorization is involved and the like.
Therefore, it is needed to provide a screen-casting access method for a cloud conference, so that a conference listener and a conference speaker can realize seamless docking of PPT file viewing on a platform of the conference listener and speaker.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art and provides a screen projection access method for a cloud conference, which can enable a speaker in the conference to be in butt joint with a speaker without additionally installing specified software, so as to realize synchronous screen projection of conference projection with the speaker in real time.
In order to achieve the purpose, the invention is realized by the following technical scheme: a screen-casting access method of a cloud conference is used for realizing synchronous screen casting by being in butt joint with a first client with a voice recording module; the method is characterized in that: uploading a PPT file to a server and converting the PPT file into a preparation file; the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the preparation file, and generates kst a packaging body; the second client calls the API interface to realize the butt joint with the first client, and obtains kst packaging bodies; the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for the user to watch, so as to realize synchronous screen projection of conference projection with the first client in real time.
In the scheme, the data embedding development is carried out on the PPT file and the audio data through the webpage API interface, and a user can embed the PPT file and the audio content only by copying to a published webpage code by using the API sharing link. The listener can complete PPT voice watching by only supporting the web browsing service through the system without additionally installing specified software in the watching process of the second client. The method can ensure that the audiences of the conference can be in butt joint with the speaker without additionally installing appointed software, and realizes the synchronous screen projection of the conference projection with the speaker in real time. The method realizes seamless butt joint of the intelligent system platform, and various mobile terminals, PC terminals and intelligent hardware products can realize PPT voice watching operation in a data access mode without considering the compatibility problem of the terminal.
Uploading the PPT file to a server and converting the PPT file into a prepared file; the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the preparation file, and generates kst a packaging body; the second client calls the API interface to realize the butt joint with the first client, and obtains kst packaging bodies; the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for the user to watch, and the synchronous screen projection for realizing the conference projection with the first client in real time comprises the following steps:
firstly, uploading a PPT file to a server through a browser; the server performs format conversion on the PPT file to generate a preparation file with a two-dimensional code, and stores the preparation file;
secondly, opening a prepared file on the server through a browser, wherein the first client is a mobile terminal and scans a two-dimensional code of the prepared file on the browser so as to log in the first client to obtain the prepared file; the first client is provided with an audio recording module, and the audio recording module extracts the content of the current page number to generate identification information; the speaker uses the voice input port of the first client to record the audio frequency of the current page content through the audio recording module;
thirdly, the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the prepared file, and generates kst packaging bodies;
fourthly, the second client calls the API interface to realize the butt joint with the first client; at the moment, communication channels are respectively established between the first client, the second client and the browser and the server;
and fifthly, the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for a user to watch, so that synchronous screen projection of conference projection is realized in real time.
In the second step, the first client is a mobile terminal, and the scanning of the two-dimensional code of the prepared file on the browser by the first client to log in the prepared file means that: the first client is a mobile terminal, the two-dimensional code of the preparation file is scanned on a browser, the mobile terminal generates a request signal according to the two-dimensional code information and sends the request signal to the server, and the server sends the preparation file to the first client.
In the second step, after the speaker uses the first client-side own voice input port to record the audio frequency of the current page content through the audio recording module, the method also comprises the step of judging whether the audio recording is finished:
judging whether the first client side switches the page to any other pages of the preparation file:
if not, judging that the audio recording of the content of the current page number of the preparation file is not finished, and continuously recording the audio;
if yes, judging that the audio recording of the current page content of the preparation file is finished, and compressing and converting the recorded audio by the audio recording module at a set code rate to generate a compressed audio and storing the compressed audio; and the audio recording module sends the compressed audio and the identification information to the server.
In the third step, the server matches and associates the audio data of the first client with the page number corresponding to the preparation file, and the generating kst package means: the server calls out the page content corresponding to the preparation file through the identification information, so that the received compressed audio is matched and associated with the page content corresponding to the preparation file; generating single-page data together by the received compressed audio and the page number content corresponding to the preparation file and storing the single-page data; the server packages the single page of data in json format to generate kst packages.
In the fourth step, the second client calls the API interface to realize the docking with the first client means: the second client calls the API interface, the server embeds kst packaging bodies into the second client which can support an HTML format presentation form in an iframe mode, and therefore the second client is connected with the first client in an abutting mode.
In the fourth step, the establishing of the communication channels between the first client, the second client and the browser and the server respectively means: and communication channels are respectively established between the first client, the second client and the browser and the server through a socket mechanism.
In the fifth step, the second client is provided with a playing module to analyze kst the package and update the current viewable data for the user to watch, and the synchronous screen projection for realizing the conference projection in real time means that:
the second client is provided with a playing module, the playing module analyzes kst the packaging body to generate a playing unit, the playing unit comprises audio content and page content corresponding to the preparation file, the newly generated playing unit is displayed on a display interface of the second client to be played, and synchronous screen projection of conference projection is achieved in real time.
The first client is a mobile phone or a tablet computer; the second client is a mobile phone, a tablet computer or a computer.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the screen projection access method of the cloud conference can enable a speaker of the conference to be in butt joint with a speaker without additionally installing appointed software, and synchronous screen projection of conference projection with the speaker in real time is achieved.
2. The invention realizes the interface use of PPT pictures and voice contents, completes the content butt joint of multiple platforms in an embedded mode, can be widely used in intelligent terminal systems with network access functions, such as Microsoft desktop systems, apple desktop systems, IOS, android, Linux and other terminal systems, keeps the consistency of the user viewing experience, and meets the use requirements of users on multi-platform terminal equipment.
Drawings
Fig. 1 is a relationship diagram of a screen projection access method of a cloud conference according to the present invention;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1, the screen-casting access method for a cloud conference is used for realizing synchronous screen casting by being docked with a first client with a voice recording module; the method is as follows: uploading a PPT file to a server and converting the PPT file into a preparation file; the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the preparation file, and generates kst a packaging body; the second client calls the API interface to realize the butt joint with the first client, and obtains kst packaging bodies; the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for the user to watch, so as to realize synchronous screen projection of conference projection with the first client in real time. The first client is a mobile terminal such as a mobile phone with an IOS/Android system and a tablet computer; the second client is a mobile terminal or a computer such as a mobile phone with an IOS/Android system, a tablet personal computer and the like.
Specifically, the method comprises the following steps:
firstly, uploading a PPT file to a server through a browser; the server performs format conversion on the PPT file to generate a preparation file with a two-dimensional code, and stores the preparation file;
secondly, opening a prepared file on the server through a browser, wherein the first client is a mobile terminal and scans a two-dimensional code of the prepared file on the browser so as to log in the first client to obtain the prepared file; the first client is provided with an audio recording module, and the audio recording module extracts the content of the current page number to generate identification information; the speaker uses the voice input port of the first client to record the audio frequency of the current page content through the audio recording module;
thirdly, the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the prepared file, and generates kst packaging bodies;
fourthly, the second client calls the API interface to realize the butt joint with the first client; at the moment, communication channels are respectively established between the first client, the second client and the browser and the server;
and fifthly, the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for a user to watch, so that synchronous screen projection of conference projection is realized in real time.
Specifically, in the second step, the first client is a mobile terminal, and scanning the two-dimensional code of the prepared file on the browser so that the first client logs in to obtain the prepared file means: the first client is a mobile terminal, the two-dimensional code of the preparation file is scanned on a browser, the mobile terminal generates a request signal according to the two-dimensional code information and sends the request signal to the server, and the server sends the preparation file to the first client.
In the second step, after the speaker uses the first client-side own voice input port to record the audio frequency of the current page content through the audio recording module, the method also comprises the step of judging whether the audio recording is finished or not:
judging whether the first client side switches the page to any other pages of the preparation file:
if not, judging that the audio recording of the content of the current page number of the preparation file is not finished, and continuously recording the audio;
if yes, judging that the audio recording of the current page content of the preparation file is finished, and compressing and converting the recorded audio by the audio recording module at a set code rate to generate a compressed audio and storing the compressed audio; and the audio recording module sends the compressed audio and the identification information to the server.
In the third step, the server matches and associates the audio data of the first client with the page number corresponding to the preparation file, and the generation of kst package means: the server calls out the page content corresponding to the preparation file through the identification information, so that the received compressed audio is matched and associated with the page content corresponding to the preparation file; generating single-page data together by the received compressed audio and the page number content corresponding to the preparation file and storing the single-page data; the server packages the single page of data in json format to generate kst packages.
In the fourth step, the second client calls the API interface to realize the docking with the first client means: the second client calls the API interface, the server embeds kst packaging bodies into the second client which can support an HTML format presentation form in an iframe mode, and therefore the second client is connected with the first client in an abutting mode.
In the fourth step, the establishing of the communication channels between the first client, the second client and the browser and the server respectively means: and communication channels are respectively established between the first client, the second client and the browser and the server through a socket mechanism.
In the fifth step, the second client is provided with a playing module to analyze kst the package and update the current viewable data for the user to watch, and the synchronous screen projection for realizing the conference projection in real time means:
the second client is provided with a playing module, the playing module analyzes kst the packaging body to generate a playing unit, the playing unit comprises audio content and page content corresponding to the preparation file, the newly generated playing unit is displayed on a display interface of the second client to be played, and synchronous screen projection of conference projection is achieved in real time.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (2)

1. A screen-casting access method of a cloud conference is used for realizing synchronous screen casting by being in butt joint with a first client with a voice recording module; the method is characterized in that: uploading a PPT file to a server and converting the PPT file into a preparation file; the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the preparation file, and generates kst a packaging body; the second client calls the API interface to realize the butt joint with the first client, and obtains kst packaging bodies; the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for a user to watch, so that synchronous screen projection of conference projection with the first client in real time is realized;
the method comprises the following steps:
firstly, uploading a PPT file to a server through a browser; the server performs format conversion on the PPT file to generate a preparation file with a two-dimensional code, and stores the preparation file;
secondly, opening a prepared file on the server through a browser, wherein the first client is a mobile terminal and scans a two-dimensional code of the prepared file on the browser so as to log in the first client to obtain the prepared file; the first client is provided with an audio recording module, and the audio recording module extracts the content of the current page number to generate identification information; the speaker uses the voice input port of the first client to record the audio frequency of the current page content through the audio recording module;
thirdly, the server generates a specified API interface, matches and associates the audio data of the first client with the corresponding page number of the prepared file, and generates kst packaging bodies;
fourthly, the second client calls the API interface to realize the butt joint with the first client; at the moment, communication channels are respectively established between the first client, the second client and the browser and the server;
fifthly, the second client is provided with a playing module for analyzing kst the packaging body and updating the current viewable data for a user to watch, so that synchronous screen projection of conference projection is realized in real time;
in the second step, the first client is a mobile terminal, and the scanning of the two-dimensional code of the prepared file on the browser by the first client to log in the prepared file means that: the first client is a mobile terminal which scans the two-dimensional code of the prepared file on a browser, the mobile terminal generates a request signal according to the two-dimensional code information and sends the request signal to the server, and the server sends the prepared file to the first client;
in the second step, after the speaker uses the first client-side own voice input port to record the audio frequency of the current page content through the audio recording module, the method also comprises the step of judging whether the audio recording is finished:
judging whether the first client side switches the page to any other pages of the preparation file:
if not, judging that the audio recording of the content of the current page number of the preparation file is not finished, and continuously recording the audio;
if yes, judging that the audio recording of the current page content of the preparation file is finished, and compressing and converting the recorded audio by the audio recording module at a set code rate to generate a compressed audio and storing the compressed audio; the audio recording module sends the compressed audio and the identification information to a server;
in the third step, the server matches and associates the audio data of the first client with the page number corresponding to the preparation file, and the generating kst package means: the server calls out the page content corresponding to the preparation file through the identification information, so that the received compressed audio is matched and associated with the page content corresponding to the preparation file; generating single-page data together by the received compressed audio and the page number content corresponding to the preparation file and storing the single-page data; the server packages the single-page data in a json format to generate kst packages;
in the fourth step, the second client calls the API interface to realize the docking with the first client means: the second client calls the API interface, the server embeds kst packaging bodies into the second client which can support an HTML format presentation form in an iframe mode, and therefore the second client is connected with the first client in an abutting mode;
in the fourth step, the establishing of the communication channels between the first client, the second client and the browser and the server respectively means: the first client, the second client and the browser respectively establish communication channels with the server through a socket mechanism;
in the fifth step, the second client is provided with a playing module to analyze kst the package and update the current viewable data for the user to watch, and the synchronous screen projection for realizing the conference projection in real time means that:
the second client is provided with a playing module, the playing module analyzes kst the packaging body to generate a playing unit, the playing unit comprises audio content and page content corresponding to the preparation file, the newly generated playing unit is displayed on a display interface of the second client to be played, and synchronous screen projection of conference projection is achieved in real time.
2. The screen-casting access method of the cloud conference as claimed in claim 1, wherein: the first client is a mobile phone or a tablet computer; the second client is a mobile phone, a tablet computer or a computer.
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