CN110198488B - Playing and processing method, device and system for offline barrage - Google Patents
Playing and processing method, device and system for offline barrage Download PDFInfo
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- CN110198488B CN110198488B CN201810163926.0A CN201810163926A CN110198488B CN 110198488 B CN110198488 B CN 110198488B CN 201810163926 A CN201810163926 A CN 201810163926A CN 110198488 B CN110198488 B CN 110198488B
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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
- H04N21/4314—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 fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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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
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
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Abstract
The embodiment of the application discloses a method, a device and a system for playing and processing an offline barrage, wherein the playing method comprises the following steps: receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern and bullet screen information played in the bullet screen client; filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information and obtain a target video signal; receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal; and transmitting the integrated video signal to appointed playing equipment so as to play a video picture represented by the second video signal through the appointed playing equipment, wherein the video picture played by the appointed playing equipment comprises the barrage information. The technical scheme provided by the application can reduce the cost required in the bullet screen video playing process.
Description
Technical Field
The application relates to the technical field of internet, in particular to a method, equipment and system for playing and processing an offline barrage.
Background
With the continuous development of barrage (barrage) technology, the function of publishing barrage is added to more and more videos. The current online bullet screen operation mode is that the bullet screen information needing to be published is sent to the bullet screen server by the user, and the bullet screen server and the video server can subsequently provide the bullet screen information and the video information for the user respectively, so that the user can view the corresponding bullet screen information while watching videos.
At present, the integration of the bullet screen into the online activity is gradually becoming a popular activity form. In an online activity, a video frame is usually played on a machine, and the machine receives bullet screen content published by a user, and then the machine can project the video frame containing the bullet screen content to an external display device. Therefore, the users participating in the offline activities can watch the bullet screen contents published by people through the pictures displayed in the display equipment.
However, the existing scheme for playing the barrage video in the online activity has a great limitation, and the playing of the video picture and the receiving of the content of the barrage need to be completed by the same machine, which puts a high demand on the performance of the machine, thereby increasing the cost of the whole system.
Disclosure of Invention
The embodiment of the application aims to provide a method, a device and a system for playing and processing an offline barrage, which can reduce the cost required in the playing process of a barrage video.
In order to achieve the above object, an embodiment of the present application provides a method for playing an offline barrage, where the method is applied to a signal acquisition server, and the method includes: receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern of the bullet screen client and bullet screen information played in the bullet screen client; filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information, and generating a target video signal representing the video picture only containing the bullet screen information; receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal; the integrated video signals are transmitted to appointed playing equipment, and a video picture represented by the second video signals is played through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
In order to achieve the above object, an embodiment of the present application further provides a signal acquisition server, including a memory and a processor, where the memory stores a computer program, and when the computer program is executed by the processor, the method includes: receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern of the bullet screen client and bullet screen information played in the bullet screen client; filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information, and generating a target video signal representing the video picture only containing the bullet screen information; receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal; the integrated video signals are transmitted to appointed playing equipment, and a video picture represented by the second video signals is played through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
In order to achieve the above object, an embodiment of the present application further provides a method for processing an offline barrage, where the method is applied to a barrage client, and the method includes: setting the color of the current background pattern to be different from the color of the bullet screen information in advance; receiving bullet screen information sent by a bullet screen server and playing the bullet screen information; and pushing a signal corresponding to the background pattern containing the bullet screen information to a signal acquisition server so that the signal acquisition server filters the color different from that of the bullet screen information in the video picture represented by the signal to generate a video picture only containing the bullet screen information.
In order to achieve the above object, an embodiment of the present application further provides a bullet screen client, including a memory and a processor, where the memory stores a computer program, and when the computer program is executed by the processor, the method implements the following steps: setting the color of the current background pattern to be different from the color of the bullet screen information in advance; receiving bullet screen information sent by a bullet screen server and playing the bullet screen information; and pushing a signal corresponding to the background pattern containing the bullet screen information to a signal acquisition server so that the signal acquisition server filters the color different from that of the bullet screen information in the video picture represented by the signal to generate a video picture only containing the bullet screen information.
In order to achieve the above object, an embodiment of the present application further provides a play system of an offline barrage, where the system includes a user client, a barrage server, a barrage client, a video source, a signal acquisition server, and a designated play device, where: the user client is used for sending the bullet screen information to the bullet screen server; the bullet screen server is used for forwarding the bullet screen information to the bullet screen client; the bullet screen client is used for playing the bullet screen information, taking a background pattern containing the bullet screen information as a first video signal and pushing the first video signal to the signal acquisition server; the signal acquisition server is used for filtering the background pattern from the video picture represented by the first video signal to obtain a video picture only containing the bullet screen information and generating a target video signal representing the video picture only containing the bullet screen information; receiving a second video signal sent by the video source, and integrating the target video signal and the second video signal into a video signal; transmitting the integrated video signal to the appointed playing equipment so as to play a video picture represented by the second video signal through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
It can be seen from above that, the technical scheme that this application provided, the user that participates in the offline activity can publish barrage information through user client, and this barrage information can be received by barrage server. The bullet screen server can forward the received bullet screen information to the bullet screen client. The bullet screen client can be a bullet screen player, and the bullet screen client can play the bullet screen information after receiving the bullet screen information. Meanwhile, the bullet screen client can transmit the background pattern containing bullet screen information displayed in the current screen to the signal acquisition server as a first video signal. In addition, the second video signal to be played in the offline activity may be provided by a video source. The second video signal may be a movie to be played or a video recorded in real time offline, etc. The video source may likewise transmit a second video signal to the signal acquisition server. After the signal acquisition server receives the two paths of video signals, if the two paths of video signals are directly overlaid and played, the background pattern in the first video signal can shield the video picture of the second video signal. At this time, the signal acquisition server may filter the background pattern from the video picture represented by the first video signal, so as to obtain a video picture containing only the bullet screen information. Therefore, when the video picture only containing the bullet screen information and the video picture represented by the second video signal are played together, the video picture represented by the second video signal is not blocked any more, the bullet screen information can be displayed normally, and participants in offline activities can watch the video picture with the bullet screen information. Therefore, according to the technical scheme provided by the application, on one hand, bullet screen information and offline moving video pictures can be recorded separately, so that the workload of a signal acquisition server can be reduced, and the cost of the whole system is reduced; on the other hand, the bullet screen information is accessed into the signal acquisition server as a video signal, but not as a character information, so that the processing process of synchronizing the bullet screen information and the video picture of offline activity can be omitted, the playing process of offline bullet screens is simplified, and the cost of the whole system is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an interaction diagram of a playing system of a line bullet screen in an embodiment of the present application;
fig. 2 is a flowchart of a method for playing a bullet screen under a line in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a signal acquisition server in an embodiment of the present application;
fig. 4 is a flowchart of a method for processing a line bullet screen according to an embodiment of the present disclosure.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application shall fall within the scope of protection of the present application.
The technical scheme provided by the application can be applied to the system structure shown in figure 1. Referring to fig. 1, the system architecture may include a user client, a bullet screen server, a bullet screen client, a video source, a signal acquisition server, and a designated playing device. Wherein, the user client can be a terminal device used by a user participating in offline activities. The user client may be, for example, an electronic device such as a smartphone, a tablet, a smart wearable device (smart watch, virtual reality glasses, virtual reality helmet, etc.). The user client may also be software running in the terminal device. For example, the user client may be an APP (Application) for publishing the bullet screen information, or may be a browser capable of publishing the bullet screen information.
In this embodiment, the bullet screen server may be a server for receiving and storing bullet screen information. The user client side can establish communication connection with the bullet screen server, and thus bullet screen information sent by the user client side can be received by the bullet screen server. In an actual application scenario, the user client may be an APP corresponding to the bullet screen server, or the user client may run the APP corresponding to the bullet screen server. When the APP corresponding to the bullet screen server runs, the APP can be automatically connected with the bullet screen server, and bullet screen information can be loaded in the bullet screen server or the bullet screen server sends the bullet screen information. For example, the bullet screen server may be a service server set at a place where an offline activity is located, an APP corresponding to the service server may be run in a smart phone of a user, a communication address of the service server may be bound in the APP, and when the APP runs in the smart phone of the user, a communication connection may be automatically established with the service server according to the bound communication address. Therefore, the bullet screen information published in the APP by the user can be sent to the service server. In addition, the user client may also be a browser installed in the terminal device. The user can input the domain name of the service server in the browser, so that the website of the service server can be accessed, and the bullet screen information input by the user in the website can be sent to the service server.
In this embodiment, the bullet screen information received by the bullet screen server may include, in addition to the character information entered by the user, time information corresponding to when the character information is transmitted. Therefore, the bullet screen server can send bullet screen information to the bullet screen client in sequence from morning to evening according to the time information. If the time information contained in the bullet screen information is consistent, then a plurality of bullet screen information with consistent time information can be simultaneously sent to the bullet screen client. In practical application, the time information may be self time recorded by the user client when the bullet screen information is sent by the user client; the time information can also be the self time recorded by the bullet screen server when the bullet screen information is received by the bullet screen server. Certainly, in the scene of the offline activity, the offline barrage can be played in real time, and after the barrage server receives the offline barrage, the received offline barrage can be directly sent to the barrage client side so as to play the offline barrage in the barrage client side.
In this embodiment, the bullet screen client may be a bullet screen player, and after receiving the bullet screen information sent by the bullet screen server, the bullet screen client may play the received bullet screen information in sequence according to the sequence of the received bullet screen information. Of course, if a plurality of bullet screen information are received at the same time, the plurality of bullet screen information received at the same time can be played at different positions in the current background pattern at the same time. Therefore, the current background pattern and each bullet screen information continuously played in the background pattern can be displayed on the screen of the bullet screen client. In this embodiment, the barrage client may transmit the content displayed on the current screen to the signal acquisition server as a video signal. Specifically, the signal acquisition server may be provided with a plurality of video input interfaces, and the bullet screen client may be connected to the video input interfaces on the signal acquisition server through a video transmission cable, so that the content displayed in the current screen may be transmitted to the signal acquisition server in real time.
In this embodiment, the signal acquisition server may be a program director installed in an offline event site, or a computer installed with video signal acquisition software. The signal acquisition server can receive video signals sent by a video source besides the video signals sent by the bullet screen client. The video source may be a machine responsible for recording moving pictures in offline activities, or may be a machine playing a movie that has been recorded. The video source can also be connected to the video input interface on the signal acquisition server through a video transmission cable, so that the currently recorded moving picture or the currently played picture of the movie can be transmitted to the signal acquisition server in real time. Thus, the signal acquisition server can receive the video signal sent by the video source.
In practical application, the bullet screen client and the video source can be respectively accessed into the signal acquisition server through independent video input interfaces, so that the signal acquisition server can receive two paths of video signals which are not interfered with each other. The video signal transmitted by the bullet screen client can be used as a first video signal, and the video signal transmitted by the video source can be used as a second video signal.
In this embodiment, since the video frame represented by the first video signal includes the background pattern of the bullet screen client and the bullet screen information played in the bullet screen client, if the signal acquisition server directly superimposes the video frame represented by the first video signal on the video frame represented by the second video signal for playing, the background pattern will block the video frame represented by the second video signal, and the video frame seen by the viewer is only the background pattern and the bullet screen information. Therefore, the signal acquisition server needs to process the first video signal before integrating the two video signals. Specifically, the signal acquisition server may filter the background pattern from the video picture represented by the first video signal, so that a video picture only including the barrage information may be obtained. In the video picture containing only the bullet screen information, the other pictures are in a transparent state except for the bullet screen information. In practical application, the background pattern can be filtered out from the video picture through a keying technology. Specifically, in the bullet screen client, the filling color of the background pattern may be set in advance to a color different from that of the bullet screen information. Of course, in practical applications, the color of the text and the color different from the color of the bullet screen information may be set to two colors which are easily distinguished. Like this, signal acquisition server can constitute after receiving the first video signal that the bullet screen client sent, in the color of the video picture of first video signal sign will with the color filtering different with the color of bullet screen information to can follow the filtering of video picture with background pattern, simultaneously, bullet screen information can not receive the influence of keying in the image technique, thereby can obtain the video picture that only contains bullet screen information. The video picture only containing the bullet screen information can be packaged into a target video signal by the signal acquisition server according to the packaging requirement of the video signal.
In this embodiment, the signal acquisition server may integrate the target video signal and the second video signal into one video signal, and in the integrated video signal, a video picture represented by the target video signal and a video picture represented by the second video signal may be displayed at the same time. In the video pictures represented by the target video signal, except for the bullet screen information, other pictures are transparent, so that the video pictures represented by the second video signal are not shielded (except for the bullet screen information).
In this embodiment, after the video signal is obtained by the integration of the signal acquisition server, the video signal obtained by the integration may be transmitted to the specified playback device. The effect of the specified playback device playing back may be viewed by users participating in the offline activity. For example, the designated playback device may be a larger LED display screen, or a projection device that plays a movie. Therefore, when the integrated video signal is played through the appointed playing device, the played video picture can contain the video picture represented by the second video signal and the barrage information in the target video signal, and therefore the barrage information and the video information can be fused.
Referring to fig. 2, the present application provides a method for playing an offline barrage, where the method may be applied to the signal acquisition server, and the method may include the following steps.
S11: receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern of the bullet screen client and bullet screen information played in the bullet screen client.
S13: and filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information, and generating a target video signal representing the video picture only containing the bullet screen information.
S15: and receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal.
S17: the integrated video signals are transmitted to appointed playing equipment, and a video picture represented by the second video signals is played through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
The detailed embodiments of the above steps can be combined with fig. 1 and the foregoing description, and are not repeated here.
In this embodiment, the filling color of the background pattern is a color different from the color of the bullet screen information; accordingly, when the background pattern is filtered out from the video picture, the color different from that of the barrage information may be filtered out from the colors of the video picture constituting the first video signal representation.
In this embodiment, the bullet screen client may play the bullet screen information sent by the bullet screen server after receiving the bullet screen information sent by the bullet screen server. In this way, through the live video software installed in the barrage client, the signal corresponding to the background pattern containing the barrage information can be continuously pushed to the signal acquisition server as the first video signal.
In one embodiment, the bullet screen server may perform auditing on the received bullet screen information and then push the information to the bullet screen client. Specifically, when the bullet screen server audits bullet screen information, whether the bullet screen information contains sensitive words or not can be identified. If the sensitive word is included after the recognition, on one hand, the recognized sensitive word can be replaced by a specified character, for example, the specified character can be a 'x', so that new bullet screen information shielding the sensitive word can be generated. And subsequently, the generated new bullet screen information can be provided for the bullet screen client. On the other hand, the bullet screen server can directly abandon bullet screen information with sensitive words. In addition, for the offline activity scene, the bullet screen server can only accept the bullet screen information sent by the users participating in the offline activity. The bullet screen server can judge whether the user participates in the offline activity or not according to the geographic position of the user client. Specifically, when sending the bullet screen information to the bullet screen server, the user client may send position information to the bullet screen server together, where the position information may represent a current geographic position of the user client. The location information may include latitude and longitude coordinates, or may include an address where the user client is located. Therefore, the bullet screen server can calculate the distance between the geographic position where the bullet screen server is located and the geographic position where the user client is located, when the distance is smaller than or equal to the specified distance threshold value, the user can be determined to be in the offline activity site range currently, the bullet screen information published by the user is effective, and therefore the bullet screen server can send the bullet screen information published by the user to the bullet screen client. Conversely, if the calculated distance is greater than the specified distance threshold, it indicates that the user may be outside the venue area for the offline activity. Thus, the bullet screen server can discard the bullet screen information currently published by the user. The above-mentioned specified distance range can be flexibly changed according to the actual field of the offline event, and can be set in advance in the bullet screen server by the manager of the offline event.
It should be noted that, in addition to limiting the authority of issuing the offline bullet screen through the geographic location of the user, the authority of issuing the offline bullet screen by the user may also be limited through other manners. For example, it may be limited that only users logged into a proprietary network have the right to publish offline barrages. Of course, in practical application scenarios, there may be other more forms to limit the authority of issuing the offline bullet screen, and the above-mentioned manner in the present application is only to illustrate the technical solution in the present application, and the technical solution in the present application is not limited to the limited scenarios illustrated above. Those skilled in the art can implement the modifications and changes of the above-mentioned exemplary scenarios while understanding the spirit of the technical solutions of the present application, but they should be included in the scope of protection of the present application as long as they are used to limit the authority of the pop-up under the publication line.
Referring to fig. 3, the present application further provides a signal acquisition server, which includes a memory and a processor, where the memory stores a computer program, and the computer program, when executed by the processor, implements the following steps.
S11: receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern of the bullet screen client and bullet screen information played in the bullet screen client.
S13: and filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information, and generating a target video signal representing the video picture only containing the bullet screen information.
S15: and receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal.
S17: the integrated video signals are transmitted to appointed playing equipment, and a video picture represented by the second video signals is played through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
In this embodiment, the memory may include a physical device for storing information, and typically, the information is digitized and then stored in a medium using an electrical, magnetic, or optical method. The memory according to this embodiment may further include: devices that store information using electrical energy, such as RAM, ROM, etc.; devices that store information using magnetic energy, such as hard disks, floppy disks, tapes, core memories, bubble memories, usb disks; devices for storing information optically, such as CDs or DVDs. Of course, there are other ways of memory, such as quantum memory, graphene memory, and so forth.
In this embodiment, the processor may be implemented in any suitable manner. For example, the processor may take the form of, for example, a microprocessor or processor and a computer-readable medium that stores computer-readable program code (e.g., software or firmware) executable by the (micro) processor, logic gates, switches, an Application Specific Integrated Circuit (ASIC), a programmable logic controller, an embedded microcontroller, and so forth.
The specific functions implemented by the memory and the processor of the signal acquisition server provided in the embodiments of this specification may be explained in comparison with the foregoing embodiments in this specification, and can achieve the technical effects of the foregoing embodiments, and thus, no further description is provided here.
Referring to fig. 4, the present application further provides a method for processing an offline barrage, where the method may be applied to a barrage client, and the method includes the following steps.
S21: the color of the current background pattern is set in advance to a color different from that of the bullet screen information.
S23: and receiving the bullet screen information sent by the bullet screen server and playing the bullet screen information.
S25: and pushing a signal corresponding to the background pattern containing the bullet screen information to a signal acquisition server so that the signal acquisition server filters the color different from that of the bullet screen information in the video picture represented by the signal to generate a video picture only containing the bullet screen information.
In this embodiment, after receiving the bullet screen information sent by the bullet screen server, the bullet screen client can play the received bullet screen information in sequence according to the sequence of the received bullet screen information. Of course, if a plurality of bullet screen information are received at the same time, the plurality of bullet screen information received at the same time can be played at different positions in the current background pattern at the same time. Therefore, the current background pattern and each bullet screen information continuously played in the background pattern can be displayed on the screen of the bullet screen client. In this embodiment, the barrage client may transmit the content displayed on the current screen to the signal acquisition server as a video signal. Specifically, the signal acquisition server may be provided with a plurality of video input interfaces, and the bullet screen client may be connected to the video input interfaces on the signal acquisition server through a video transmission cable, so that the content displayed in the current screen may be transmitted to the signal acquisition server in real time. In addition, the barrage client can continuously push the signal corresponding to the background pattern containing the barrage information to the signal acquisition server through locally installed video live broadcast software.
In this embodiment, since the video frame represented by the live video stream includes the background pattern of the bullet screen client and the bullet screen information played in the bullet screen client, if the signal acquisition server directly superimposes the video frame represented by the live video stream on other video frames for playing, the background pattern will block the other video frames, and the video frame seen by the audience only includes the background pattern and the bullet screen information. Therefore, the signal acquisition server needs to process the live video stream. Specifically, the signal acquisition server may filter the background pattern from a video frame represented by the live video stream, so that a video frame including only the bullet screen information may be obtained. In the video picture containing only the bullet screen information, the other pictures are in a transparent state except for the bullet screen information. In practical application, the background pattern can be filtered out from the video picture through a keying technology. Specifically, in the bullet screen client, the filling color of the background pattern may be set in advance to a color different from that of the bullet screen information. Of course, in practical applications, the color of the text and the color different from the color of the bullet screen information may be set to two colors which are easily distinguished. Like this, signal acquisition server can constitute after receiving the live video stream that the bullet screen customer end sent, in the color of the video picture of live video stream sign, will with the color filtering different with the color of bullet screen information to can be with the background pattern filtering from the video picture, simultaneously, bullet screen information can not receive the influence of keying out the image technique, thereby can obtain the video picture that only contains bullet screen information.
In an embodiment, the bullet screen information is sent to the bullet screen server by the user client, wherein, when the bullet screen server receives the bullet screen information sent by the user client, the bullet screen server can acquire the position information of the user client, and when the distance between the geographical position represented by the position information and the geographical position where the bullet screen server is located is smaller than or equal to a specified distance threshold, the bullet screen server sends the bullet screen information sent by the user client to the bullet screen client.
The application also provides a bullet screen client, which comprises a memory and a processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, the following steps are realized.
S21: setting the color of the current background pattern to be different from the color of the bullet screen information in advance;
s23: receiving bullet screen information sent by a bullet screen server and playing the bullet screen information;
s25: and pushing a signal corresponding to the background pattern containing the bullet screen information to a signal acquisition server so that the signal acquisition server filters the color different from that of the bullet screen information in the video picture represented by the signal to generate a video picture only containing the bullet screen information.
Referring to fig. 1, the present application further provides a play system of an offline barrage, where the system includes a user client, a barrage server, a barrage client, a video source, a signal acquisition server, and a designated play device.
The user client is used for sending bullet screen information to the bullet screen server;
the bullet screen server is used for forwarding the bullet screen information to the bullet screen client;
the bullet screen client is used for playing the bullet screen information, taking a signal corresponding to a background pattern containing the bullet screen information as a first video signal and pushing the first video signal to the signal acquisition server;
the signal acquisition server is used for filtering the background pattern from the video picture represented by the first video signal to obtain a video picture only containing the bullet screen information and generating a target video signal representing the video picture only containing the bullet screen information; receiving a second video signal sent by the video source, and integrating the target video signal and the second video signal into a video signal; transmitting the integrated video signal to the appointed playing equipment so as to play a video picture represented by the second video signal through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
In one embodiment, the user client is further configured to send location information to the bullet screen server when sending the bullet screen information to the bullet screen server, where the location information is used to represent a current geographic location of the user client;
correspondingly, the barrage server is further configured to forward the barrage information sent by the user client to the barrage client when the distance between the geographic position represented by the location information and the geographic position where the barrage server is located is less than or equal to a specified distance threshold.
In one embodiment, the filling color of the background pattern is a color different from the color of the bullet screen information; correspondingly, the signal acquisition server is also used for filtering out the colors different from the colors of the bullet screen information in the colors of the video pictures forming the first video signal representation.
It can be seen from above that, the technical scheme that this application provided, the user that participates in the offline activity can publish barrage information through user client, and this barrage information can be received by barrage server. The bullet screen server can forward the received bullet screen information to the bullet screen client. The bullet screen client can be a bullet screen player, and the bullet screen client can play the bullet screen information after receiving the bullet screen information. Meanwhile, the bullet screen client can transmit the background pattern containing bullet screen information displayed in the current screen to the signal acquisition server as a first video signal. In addition, the second video signal to be played in the offline activity may be provided by a video source. The second video signal may be a movie to be played or a video recorded in real time offline, etc. The video source may likewise transmit a second video signal to the signal acquisition server. After the signal acquisition server receives the two paths of video signals, if the two paths of video signals are directly overlaid and played, the background pattern in the first video signal can shield the video picture of the second video signal. At this time, the signal acquisition server may filter the background pattern from the video picture represented by the first video signal, so as to obtain a video picture containing only the bullet screen information. Therefore, when the video picture only containing the bullet screen information and the video picture represented by the second video signal are played together, the video picture represented by the second video signal is not blocked any more, the bullet screen information can be displayed normally, and participants in offline activities can watch the video picture with the bullet screen information. Therefore, according to the technical scheme provided by the application, on one hand, bullet screen information and offline moving video pictures can be recorded separately, so that the workload of a signal acquisition server can be reduced, and the cost of the whole system is reduced; on the other hand, the bullet screen information is accessed into the signal acquisition server as a video signal, but not as a character information, so that the processing process of synchronizing the bullet screen information and the video picture of offline activity can be omitted, the playing process of offline bullet screens is simplified, and the cost of the whole system is further reduced.
In the 90 s of the 20 th century, improvements in a technology could clearly distinguish between improvements in hardware (e.g., improvements in circuit structures such as diodes, transistors, switches, etc.) and improvements in software (improvements in process flow). However, as technology advances, many of today's process flow improvements have been seen as direct improvements in hardware circuit architecture. Designers almost always obtain the corresponding hardware circuit structure by programming an improved method flow into the hardware circuit. Thus, it cannot be said that an improvement in the process flow cannot be realized by hardware physical modules. For example, a Programmable Logic Device (PLD), such as a Field Programmable Gate Array (FPGA), is an integrated circuit whose Logic functions are determined by programming the Device by a user. A digital system is "integrated" on a PLD by the designer's own programming without requiring the chip manufacturer to design and fabricate application-specific integrated circuit chips. Furthermore, nowadays, instead of manually making an Integrated Circuit chip, such Programming is often implemented by "logic compiler" software, which is similar to a software compiler used in program development and writing, but the original code before compiling is also written by a specific Programming Language, which is called Hardware Description Language (HDL), and HDL is not only one but many, such as abel (advanced Boolean Expression Language), ahdl (alternate Language Description Language), traffic, pl (core unified Programming Language), HDCal, JHDL (Java Hardware Description Language), langue, Lola, HDL, laspam, hardbyscript Description Language (vhr Description Language), and the like, which are currently used by Hardware compiler-software (Hardware Description Language-software). It will also be apparent to those skilled in the art that hardware circuitry that implements the logical method flows can be readily obtained by merely slightly programming the method flows into an integrated circuit using the hardware description languages described above.
Those skilled in the art will also appreciate that rather than implementing the signal acquisition server and the bullet screen client as pure computer readable program code, the method steps can be logically programmed such that the signal acquisition server and the bullet screen client perform the same functions in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, such a signal acquisition server and a bullet screen client can be considered as a hardware component, and the devices included therein for implementing various functions can also be considered as structures within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments or some parts of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the embodiments of the signal acquisition server, the bullet screen client and the system, reference may be made to the introduction of the embodiments of the method described above.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
Although the present application has been described in terms of embodiments, those of ordinary skill in the art will recognize that there are numerous variations and permutations of the present application without departing from the spirit of the application, and it is intended that the appended claims encompass such variations and permutations without departing from the spirit of the application.
Claims (11)
1. A playing method of an offline barrage is applied to a signal acquisition server, and is characterized by comprising the following steps:
receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern of the bullet screen client and bullet screen information played in the bullet screen client;
filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information, and generating a target video signal representing the video picture only containing the bullet screen information;
receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal;
the integrated video signals are transmitted to appointed playing equipment, and a video picture represented by the second video signals is played through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
2. The method of claim 1, wherein the background pattern is filled in a color different from a color of the bullet screen information; accordingly, filtering the background pattern from the video picture comprises:
and filtering out colors different from the colors of the bullet screen information from the colors of the video pictures forming the first video signal representation.
3. The method of claim 1, wherein the first video signal is generated by the barrage client in the following manner:
the bullet screen client receives bullet screen information sent by a bullet screen server and plays the bullet screen information sent by the bullet screen server;
and the bullet screen client takes a signal corresponding to the background pattern containing the bullet screen information as the first video signal.
4. The method according to claim 3, wherein the barrage information is sent from a user client to the barrage server, wherein when the barrage server receives the barrage information sent from the user client, the barrage server obtains the position information of the user client, and when the distance between the geographic position represented by the position information and the geographic position where the barrage server is located is smaller than or equal to a specified distance threshold, the barrage server sends the barrage information sent from the user client to the barrage client.
5. A signal acquisition server comprising a memory and a processor, the memory having stored therein a computer program that, when executed by the processor, performs the steps of:
receiving a first video signal sent by a bullet screen client, wherein a video picture represented by the first video signal comprises a background pattern of the bullet screen client and bullet screen information played in the bullet screen client;
filtering the background pattern from the video picture to obtain a video picture only containing the bullet screen information, and generating a target video signal representing the video picture only containing the bullet screen information;
receiving a second video signal sent by a video source, and integrating the second video signal and the target video signal into a video signal;
the integrated video signals are transmitted to appointed playing equipment, and a video picture represented by the second video signals is played through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
6. A method for processing offline barrage is applied to a barrage client, and is characterized by comprising the following steps:
setting the color of the current background pattern to be different from the color of the bullet screen information in advance;
receiving bullet screen information sent by a bullet screen server and playing the bullet screen information;
and pushing a signal corresponding to the background pattern containing the bullet screen information to a signal acquisition server so that the signal acquisition server filters the color different from that of the bullet screen information in the video picture represented by the signal to generate a video picture only containing the bullet screen information.
7. The method according to claim 6, wherein the barrage information is sent from a user client to the barrage server, wherein when the barrage server receives the barrage information sent from the user client, the barrage server obtains the position information of the user client, and when the distance between the geographic position represented by the position information and the geographic position where the barrage server is located is less than or equal to a specified distance threshold, the barrage server sends the barrage information sent from the user client to the barrage client.
8. A bullet screen client, comprising a memory and a processor, wherein said memory stores a computer program, and wherein said computer program, when executed by said processor, performs the steps of:
setting the color of the current background pattern to be different from the color of the bullet screen information in advance;
receiving bullet screen information sent by a bullet screen server and playing the bullet screen information;
and pushing a signal corresponding to the background pattern containing the bullet screen information to a signal acquisition server so that the signal acquisition server filters the color different from that of the bullet screen information in the video picture represented by the signal to generate a video picture only containing the bullet screen information.
9. The utility model provides a play system of bullet screen under line, a serial communication port, the system includes user client, bullet screen server, bullet screen client, video source, signal acquisition server and appointed playback devices, wherein:
the user client is used for sending the bullet screen information to the bullet screen server;
the bullet screen server is used for forwarding the bullet screen information to the bullet screen client;
the bullet screen client is used for playing the bullet screen information, taking a background pattern containing the bullet screen information as a first video signal and pushing the first video signal to the signal acquisition server;
the signal acquisition server is used for filtering the background pattern from the video picture represented by the first video signal to obtain a video picture only containing the bullet screen information and generating a target video signal representing the video picture only containing the bullet screen information; receiving a second video signal sent by the video source, and integrating the target video signal and the second video signal into a video signal; transmitting the integrated video signal to the appointed playing equipment so as to play a video picture represented by the second video signal through the appointed playing equipment; and the video picture played by the appointed playing equipment comprises the barrage information.
10. The system of claim 9, wherein the user client is further configured to send location information to the bullet screen server when sending the bullet screen information to the bullet screen server, where the location information is used to represent a current geographic location of the user client;
correspondingly, the barrage server is further configured to forward the barrage information sent by the user client to the barrage client when the distance between the geographic position represented by the location information and the geographic position where the barrage server is located is less than or equal to a specified distance threshold.
11. The system of claim 9, wherein the background pattern is filled in a color different from a color of the bullet screen information; correspondingly, the signal acquisition server is also used for filtering out the colors different from the colors of the bullet screen information in the colors of the video pictures forming the first video signal representation.
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