CN112866726A - Online exhibition multi-machine-position live broadcasting device and method based on mobile platform - Google Patents
Online exhibition multi-machine-position live broadcasting device and method based on mobile platform Download PDFInfo
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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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
- H04N21/4438—Window management, e.g. event handling following interaction with the user interface
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
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- H—ELECTRICITY
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
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- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
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- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Abstract
The invention discloses an online exhibition multi-seat live broadcast device and method based on a mobile platform. The system comprises a video playing display module, a multi-machine live broadcast real-time motion picture display module, a microphone connecting communication module, a streaming media server and an image server; the video playing and displaying module is responsible for playing a machine position live broadcast signal selected by a user; the multi-machine position live broadcast real-time motion picture display module is responsible for acquiring and displaying real-time pictures from the image server according to the set frequency; the connecting wheat communication module is responsible for realizing the real-time communication between the user and the exhibition hall of the appointed stand; the streaming media server is responsible for providing multi-machine live streaming; the image server is responsible for providing real-time image updates of other stands. The invention has the beneficial effects that: the real-time online operation of the contents of each exhibition hall of the large-scale exhibition is realized, and the user can visit the exhibition and know the interested exhibition; communicating with field booth staff to consult interested questions; the bandwidth cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field related to video playing, in particular to an online exhibition multi-position live broadcasting device and method based on a mobile platform.
Background
With the popularization of 4G and the commercial use of 5G, more and more information interaction in the field of mobile communication adopts a video mode. Video chat, video conferencing, live webcast, and the like are on the rise. Video serving as a carrier of information interaction on a mobile platform has penetrated into various fields and has profound influence on life style of people. Video technology companies began to study the online hosting method at exhibitions and proposed various feasible solutions. The schemes mainly focus on the simultaneous playing of multi-channel videos of multiple machine positions, the super-definition source is used by the machine position, and the standard definition source is used by other machine positions. But the biggest disadvantage of this approach is the high bandwidth consumption. Usually, a user only pays attention to the video of one machine position at the same time, and actively switches when wanting to watch other machine positions. The multiple videos are played simultaneously, the traffic waste is large, but if only one video is played, the user cannot know the approximate content of other positions.
Disclosure of Invention
The invention provides an online exhibition multi-seat live broadcast device and method based on a mobile platform, which can reduce bandwidth cost and overcome the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an online exhibition multi-position live broadcast device based on a mobile platform comprises a video playing display module, a multi-position live broadcast real-time motion picture display module, a microphone connecting communication module, a streaming media server and an image server; the video playing and displaying module is connected with the streaming media server and is responsible for playing the machine position live broadcast signal selected by the user; the multi-machine position live broadcast real-time motion picture display module is connected with the image server and is responsible for acquiring and displaying real-time pictures from the image server according to the set frequency; the connecting wheat communication module is connected with the streaming media server through a communication node and is responsible for realizing the real-time communication between the user and the exhibition hall of the appointed machine position; the streaming media server is responsible for providing multi-position live streaming; the image server is connected with the streaming media server and is responsible for providing real-time image updating of other machine positions.
In order to solve the situation of staff gathering type of the exhibition, fully utilize a mobile communication technology and a video playing technology and reduce bandwidth cost as much as possible, an online exhibition multi-position live broadcast method and device based on a mobile platform are provided. The invention fully utilizes the characteristics of the exhibition scene and the video coding, coding and transmitting technology to realize the real-time online operation of the contents of each exhibition hall of the large-scale exhibition, so that the user can visit the exhibition and know the interested exhibition. Meanwhile, the system can be connected with wheat in real time, communicate with field booth workers and consult interested problems. Meanwhile, the invention adopts a method of combining the image and the video, thereby greatly reducing the bandwidth cost.
Preferably, the multi-station live broadcast real-time motion picture display module replaces video stream live broadcast by updating real-time pictures at certain time intervals, and cyclically acquires the real-time pictures of a plurality of station exhibition halls at the same time according to configuration and displays the pictures at the appointed position.
The invention also provides an online exhibition multi-machine-position live broadcast method based on the mobile platform, which specifically comprises the following steps:
(1) when the live broadcasting device is started, user configuration information is firstly analyzed, and a live broadcasting stream address of an exhibition hall which is played preferentially and other real-time images of the exhibition hall which need to be displayed simultaneously are obtained according to user configuration;
(2) after the configuration information is received, initializing a video playing and displaying module to play a high-definition live video in a full screen mode;
(3) initializing a multi-machine position live broadcast real-time motion picture display module, circulating a real-time image acquisition address list according to a specified time interval, acquiring a real-time image from an image server, and displaying the real-time image at a specified small window position;
(4) when the user is interested in the content of a certain exhibition hall and wants to further know the related information, the user uses the connecting microphone communication module to communicate with the exhibition hall in real time through the exhibition hall ID, and the user can know the detailed information to the staff of the exhibition hall.
Preferably, in the step (2), the video playing and displaying module supports two playing and displaying modes, one is a single exhibition hall mode, and the other is a main exhibition hall mode and a secondary exhibition hall mode; when a user selects a new exhibition hall, the new exhibition hall is switched to full-screen video live broadcast, and the original video live broadcast exhibition hall is switched to small-window moving picture display; set up a main exhibition hall under the master-slave exhibition hall mode, the live online and can't be replaced of main exhibition hall video forever, vice exhibition hall is selected and is switched in the display of miniwindow kinematical picture by the user, when the user has selected a vice exhibition hall video and has directly broadcast, vice exhibition hall video window is full-screen, and main exhibition hall video window reduces, and the user carries out the full-screen switching of main vice video window as required.
Preferably, in the step (3), when the user needs to watch the live videos of other exhibition halls, the user double clicks the real-time picture display small window of the corresponding exhibition hall, then immediately plays the high-definition live video of the current double-click exhibition hall after double clicking, and the original live exhibition hall is switched to be displayed by the real-time picture small window.
Preferably, in the step (3), the multi-machine-position live broadcast real-time motion picture display module displays a plurality of machine positions and can display the machine positions in a page-by-page manner, and the number of the machine positions displayed on each page can be configured; when the number of the machine positions exceeds the number of the displayable machine positions of each page, the pages are automatically paged, all the visible machine position windows of the current page are continuously and circularly updated according to the appointed time interval, the machine position windows of the non-visible page are suspended for updating, the window image updating is immediately resumed after the non-visible page is switched into the visible page, and the machine position window updating of the original visible page is suspended.
Preferably, in step (3), the image of the image server is from the streaming media server, when the streaming media server receives live streams of various exhibition halls in real time, a frame of key frame is extracted according to a certain GOP interval, the key frame is encoded into an image and transmitted to the image server, the image server continuously receives and updates the image transmitted by the streaming media server, and when the client requests the image, the current latest image is transmitted to the client for display.
Preferably, in the step (4), the microphone connecting communication module has two communication modes which can be selected, one is video communication, and the other is pure voice communication; the connecting communication module can simultaneously carry out multi-person communication, a plurality of users simultaneously request the connecting communication with the exhibition hall, the staff of the exhibition hall can select to be connected completely or only connect a certain user, and when the selection is connected completely, connected parties mutually establish connection and are visible and can carry out mutual communication.
The invention has the beneficial effects that: the real-time online operation of the contents of each exhibition hall of the large-scale exhibition is realized, and the user can visit the exhibition and know the interested exhibition; meanwhile, the system can be connected with wheat in real time, communicate with field booth workers and consult interested problems; and the method of combining the image and the video is adopted, so that the bandwidth cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the embodiment shown in fig. 1, an online exhibition multi-position live broadcasting device based on a mobile platform includes a video playing display module, a multi-position live broadcasting real-time motion picture display module, a microphone connecting communication module, a streaming media server and an image server; the video playing and displaying module is connected with the streaming media server and responsible for playing the machine position live broadcast signal selected by the user; the multi-machine position live broadcast real-time motion picture display module is connected with the image server and is responsible for acquiring and displaying real-time pictures from the image server according to the set frequency; the connecting-to-wheat communication module is connected with the streaming media server through a communication node and is responsible for realizing the real-time communication between the user and the exhibition hall of the appointed machine position; the streaming media server is responsible for providing multi-machine live streaming; the image server is connected with the streaming media server and is responsible for providing real-time image updating of other machine positions. The multi-seat live broadcast real-time motion picture display module replaces video stream live broadcast by updating real-time pictures at certain time intervals, a user can know the live broadcast content of other seats according to motion pictures, bandwidth consumption can be greatly reduced, the real-time pictures of a plurality of seats of the exhibition hall are circularly acquired at the same time according to configuration and displayed at a designated position, and the real-time display of the content of the exhibition hall is realized along with the continuous update of the pictures. The microphone communication module can realize the timely communication between the user and the field exhibition hall worker, thereby providing the effect of approaching to the field for watching and consulting personally.
The invention also provides an online exhibition multi-machine-position live broadcast method based on the mobile platform, which specifically comprises the following steps:
(1) when the live broadcasting device is started, user configuration information is firstly analyzed, and a live broadcasting stream address of an exhibition hall which is played preferentially and other real-time images of the exhibition hall which need to be displayed simultaneously are obtained according to user configuration;
(2) after the configuration information is received, initializing a video playing and displaying module to play a high-definition live video in a full screen mode;
the video playing and displaying module supports two playing and displaying modes, wherein one mode is a single exhibition hall mode, and the other mode is a main exhibition hall mode and a secondary exhibition hall mode; when a user selects a new exhibition hall, the new exhibition hall is switched to full-screen video live broadcast, and the original video live broadcast exhibition hall is switched to small-window moving picture display; set up a main exhibition hall under the master-slave exhibition hall mode, the live online and unable quilt of main exhibition hall video forever are replaced, and vice exhibition hall is selected and is switched in little window kinematical image display by the user, and when the user has selected a vice exhibition hall video and has directly broadcast, vice exhibition hall video window is full-screen, and main exhibition hall video window reduces, and the user carries out the full screen switching of main vice video window as required.
(3) Initializing a multi-machine position live broadcast real-time motion picture display module, circulating a real-time image acquisition address list according to a specified time interval, acquiring a real-time image from an image server, and displaying the real-time image at a specified small window position; the user can watch the content of the current exhibition hall through the video, and can know the information of other exhibition halls through the real-time pictures of the small window. When a user needs to watch live videos of other exhibition halls, the real-time pictures of the corresponding exhibition halls are double-clicked to display the small window, the high-definition live videos of the current double-click exhibition halls are played immediately after double click, and the original live exhibition halls are switched to be displayed through the real-time picture small window.
The multi-machine position live broadcast real-time motion picture display module displays a plurality of machine positions and can display the machine positions in a page-dividing manner, and the number of the machine positions displayed on each page can be configured; when the number of machine positions exceeds the displayable number of each page, the pages are automatically paged, all visible machine position windows of the current page are continuously and circularly updated according to the appointed time interval, the machine position windows of the non-visible pages are suspended for updating, the window image updating is immediately resumed after the non-visible pages are switched into the visible pages, and the machine position windows of the original visible pages are suspended for updating. Therefore, not only can the bandwidth be saved, but also the consumption of equipment resources can be reduced.
The image of the image server is from the streaming media server, when the streaming media server receives live streams of various exhibition halls in real time, a frame of key frame is extracted according to a certain GOP interval, the key frame is coded into an image and transmitted to the image server, the image server continuously receives and updates the image transmitted by the streaming media server, and when the client requests the image, the current latest image is transmitted to the client for display. The size of the image can be configured according to actual display requirements.
(4) When a user is interested in the content of a certain exhibition hall and wants to further know the related information, the user uses the connecting microphone communication module to communicate with the exhibition hall in real time through the exhibition hall ID to know the detailed information to the staff of the exhibition hall;
the microphone connecting communication module has two selectable communication modes, one is video communication, and the other is pure voice communication; the connecting communication module can simultaneously carry out communication for a plurality of people, a plurality of users simultaneously request the connecting communication with the exhibition hall, the staff of the exhibition hall can select to be connected completely or only connect a certain user, and when the selection is connected completely, the connected parties mutually establish connection and are visible and can carry out mutual communication.
In order to solve the situation of staff gathering type of the exhibition, fully utilize a mobile communication technology and a video playing technology and reduce bandwidth cost as much as possible, an online exhibition multi-position live broadcast method and device based on a mobile platform are provided. The invention fully utilizes the characteristics of the exhibition scene and the video coding, coding and transmitting technology to realize the real-time online operation of the contents of each exhibition hall of the large-scale exhibition, so that the user can visit the exhibition and know the interested exhibition. Meanwhile, the system can be connected with wheat in real time, communicate with field exhibition staff, consult interested problems and enable users to know more information personally. Meanwhile, the invention adopts a method of combining the image and the video, thereby greatly reducing the bandwidth cost.
Claims (8)
1. An online exhibition multi-station live broadcast device based on a mobile platform is characterized by comprising a video playing display module, a multi-station live broadcast real-time motion picture display module, a microphone connecting communication module, a streaming media server and an image server; the video playing and displaying module is connected with the streaming media server and is responsible for playing the machine position live broadcast signal selected by the user; the multi-machine position live broadcast real-time motion picture display module is connected with the image server and is responsible for acquiring and displaying real-time pictures from the image server according to the set frequency; the connecting wheat communication module is connected with the streaming media server through a communication node and is responsible for realizing the real-time communication between the user and the exhibition hall of the appointed machine position; the streaming media server is responsible for providing multi-machine live streaming; the image server is connected with the streaming media server and is responsible for providing real-time image updating of other machine positions.
2. The on-line exhibition multi-machine position live broadcasting device based on the mobile platform as claimed in claim 1, wherein the multi-machine position live broadcast real-time moving picture display module replaces video stream live broadcast by updating real-time pictures at certain time intervals, and cyclically obtains real-time pictures of a plurality of machine position exhibition halls at the same time according to configuration and displays the pictures at designated positions.
3. An online exhibition multi-station live broadcast method based on a mobile platform is characterized by comprising the following steps:
(1) when the live broadcasting device is started, user configuration information is firstly analyzed, and a live broadcasting stream address of an exhibition hall which is played preferentially and other real-time images of the exhibition hall which need to be displayed simultaneously are obtained according to user configuration;
(2) after the configuration information is received, initializing a video playing and displaying module to play a high-definition live video in a full screen mode;
(3) initializing a multi-machine position live broadcast real-time motion picture display module, circulating a real-time image acquisition address list according to a specified time interval, acquiring a real-time image from an image server, and displaying the real-time image at a specified small window position;
(4) when the user is interested in the content of a certain exhibition hall and wants to further know the related information, the user uses the connecting communication module to communicate with the exhibition hall in real time through the exhibition hall ID, and the user can know the detailed information to the staff of the exhibition hall.
4. The on-line exhibition multi-stand live broadcasting method based on the mobile platform as claimed in claim 3, wherein in the step (2), the video playing and displaying module supports two playing and displaying modes, one is a single exhibition hall mode, and the other is a main exhibition hall mode and a sub exhibition hall mode; when a user selects a new exhibition hall, the new exhibition hall is switched to full-screen video live broadcast, and the original video live broadcast exhibition hall is switched to small-window moving picture display; set up a main exhibition hall under the master-slave exhibition hall mode, the live online and can't be replaced of main exhibition hall video forever, vice exhibition hall is selected and is switched in the display of little window kinematical picture by the user, when the user has selected a vice exhibition hall video and has directly broadcast, vice exhibition hall video window is the full screen, and main exhibition hall video window reduces, and the user carries out the full screen switching of main and vice video window as required.
5. The online exhibition multi-stand live broadcasting method based on the mobile platform as claimed in claim 3, wherein in the step (3), when the user needs to watch the live broadcasting video of other exhibition halls, the high definition live broadcasting video of the current double-click exhibition hall is played immediately after double-click by double-clicking a small window of the real-time picture display of the corresponding exhibition hall, and the original live broadcasting exhibition hall is switched to the real-time picture small window for display.
6. The online exhibition multi-machine position live broadcasting method based on the mobile platform as claimed in claim 3 or 5, characterized in that in the step (3), the multi-machine position live broadcasting real-time motion picture display module displays a plurality of machine positions and can display the machine positions in pages, and the number of machine positions displayed on each page can be configured; when the number of machine positions exceeds the displayable number of each page, the pages are automatically paged, all visible machine position windows of the current page are continuously and circularly updated according to the appointed time interval, the machine position windows of the non-visible pages are suspended for updating, the window image updating is immediately resumed after the non-visible pages are switched into the visible pages, and the machine position windows of the original visible pages are suspended for updating.
7. The on-line exhibition multi-station live broadcasting method based on the mobile platform as claimed in claim 3 or 5, wherein in step (3), the image of the image server is from a streaming media server, the streaming media server extracts a frame of key frame according to a certain GOP interval when receiving live broadcast streams of various exhibition halls in real time, encodes the key frame into an image and transmits the image to the image server, the image server continuously receives and updates the image transmitted from the streaming media server, and when the client requests the image, the current latest image is transmitted to the client for display.
8. The method as claimed in claim 3, wherein in step (4), the connecting communication module has two communication modes, one is video communication and the other is pure voice communication; the connecting communication module can simultaneously carry out multi-person communication, a plurality of users simultaneously request the connecting communication with the exhibition hall, the staff of the exhibition hall can select to be connected completely or only connect a certain user, and when the selection is connected completely, connected parties mutually establish connection and are visible at the same time and can carry out mutual communication.
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Application publication date: 20210528 |