CN114051150A - Live broadcast method and device, electronic equipment and computer readable storage medium - Google Patents
Live broadcast method and device, electronic equipment and computer readable storage medium Download PDFInfo
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- CN114051150A CN114051150A CN202111333877.9A CN202111333877A CN114051150A CN 114051150 A CN114051150 A CN 114051150A CN 202111333877 A CN202111333877 A CN 202111333877A CN 114051150 A CN114051150 A CN 114051150A
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
Abstract
The invention discloses a live broadcast method, a live broadcast device, electronic equipment and a computer readable storage medium. Wherein, the method comprises the following steps: displaying a live broadcast picture on a display page; displaying a live progress bar on a display page, wherein a point on the progress bar is a review starting point for reviewing the live progress bar; receiving a first operation on a progress bar; and responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through a live broadcast channel, and displaying the target review data on a display page. The invention solves the technical problem that the review can be carried out only by reestablishing the connection with the system again when the live review function is started in the live broadcast process in the related technology.
Description
Technical Field
The invention relates to the field of computers, in particular to a live broadcast method, a live broadcast device, electronic equipment and a computer readable storage medium.
Background
In rail transit, the real-time video monitoring points are more, and a user cannot monitor all video pictures in real time. When an event occurs, pictures before and after the event often need to be played back in combination with videos, but real-time monitoring and video playback are two independent systems and cannot meet the requirement of rapid disposal of a user. In order to solve the above problems, a normal live playback is implemented by caching a segment of real-time video picture by a player, but because the client performance is limited, the player cannot bear a large amount of video data, so that the playback time is limited. Some live playback can realize the playback function of dozens of hours through background storage in a streaming media mode. But these are proprietary protocol systems that require the installation of a specific player to enable interaction with the background.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a live broadcast method, a live broadcast device, electronic equipment and a computer readable storage medium, which are used for at least solving the technical problem that when a live broadcast review function is started in a live broadcast process in the related technology, review can be performed only by reestablishing connection with a system again.
According to an aspect of an embodiment of the present invention, there is provided a live broadcasting method, including: displaying a live broadcast picture on a display page; displaying the progress bar of the live broadcast on the display page, wherein a point on the progress bar is a review starting point for reviewing the live broadcast; receiving a first operation on the progress bar; and responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through the live broadcast channel, and displaying the target review data on the display page.
Optionally, before receiving the first operation on the progress bar, the method further includes: receiving a second operation on the progress bar, wherein the second operation is a dragging operation on the progress bar; responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar; and obtaining a review picture corresponding to the dragging point through the live broadcast channel, and displaying the review picture on the display page.
Optionally, the displaying a live broadcast picture on a display page includes: displaying the live broadcast picture on the display page, and a live broadcast control for controlling the live broadcast picture, wherein the live broadcast control comprises: and stopping the live broadcast control and playing the live broadcast control.
Optionally, after the displaying the target review data on the display page, the method further includes: receiving a live broadcasting instruction; responding to the live broadcast instruction, acquiring live broadcast data through a live broadcast channel of the live broadcast, and displaying the live broadcast data on the display page; or acquiring live broadcast data through a new live broadcast channel, and displaying the live broadcast data on the display page in a small window mode.
According to another aspect of the embodiments of the present invention, there is provided a live broadcasting method, including: sending a live broadcast picture to the client equipment; sending the progress bar of the live broadcast to the client equipment, wherein a point on the progress bar is a review starting point for reviewing the live broadcast; receiving a first operation of the progress bar sent by the client device; responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point; and sending the target review data to the client equipment through the live broadcast channel for displaying the target review data on the client equipment.
Optionally, before receiving the first operation on the progress bar sent by the client device, the method further includes: receiving a second operation of the progress bar by the client device, wherein the second operation is a dragging operation on the progress bar; responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar; and obtaining a review picture corresponding to the dragging point, sending the review picture to the client equipment through the live broadcast channel, and displaying the review picture on the client equipment.
Optionally, the determining, in response to the first operation, a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point includes: in response to the first operation, determining a timestamp of the first operation on the progress bar, and determining the target review starting point based on the timestamp; determining an offset between the timestamp and a current live broadcast time point of the progress bar, and determining live broadcast data corresponding to the offset from an FLV storage unit, wherein the FLV storage unit is used for storing the live broadcast data in real time; and determining the live broadcast data corresponding to the offset as the target review data corresponding to the target review starting point.
Optionally, after sending the target review data to the client device through the live channel of the live broadcast, the method further includes: receiving a live broadcast instruction sent by the client equipment; responding to the live broadcast instruction, sending live broadcast data to the client equipment through a live broadcast channel of the live broadcast, and displaying the live broadcast data on the client equipment; or sending live broadcast data to the client equipment through a new live broadcast channel, and displaying the live broadcast data in a small window mode on the client equipment.
According to another aspect of the embodiments of the present invention, there is provided a live broadcasting apparatus, including: the first display module is used for displaying a live broadcast picture on a display page; the second display module is used for displaying the live progress bar on the display page, wherein a point on the progress bar is a review starting point for reviewing the live progress bar; the first receiving module is used for receiving a first operation on the progress bar; and the first determining module is used for responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through the live broadcast channel, and displaying the target review data on the display page.
According to another aspect of the embodiments of the present invention, there is provided a live broadcasting apparatus, including: the first sending module is used for sending a live broadcast picture to the client equipment; a second sending module, configured to send the live progress bar to the client device, where a point on the progress bar is a review starting point for reviewing the live broadcast; the second receiving module is used for receiving the first operation of the progress bar sent by the client device; the first processing module is used for responding to the first operation, determining a target review starting point corresponding to the first operation and acquiring target review data corresponding to the target review starting point; and the third sending module is used for sending the target review data to the client equipment through the live broadcast channel of the live broadcast and displaying the target review data on the client equipment.
According to another aspect of an embodiment of the present invention, there is provided an electronic apparatus including: a processor; a memory for storing the processor-executable instructions; wherein the processor is configured to execute the instructions to implement any of the live methods.
According to another aspect of embodiments of the present invention, there is provided a computer-readable storage medium, wherein instructions, when executed by a processor of an electronic device, enable the electronic device to perform any one of the live methods.
According to another aspect of embodiments of the present invention, there is provided a computer program product comprising a computer program which, when executed by a processor, implements any of the live methods.
In the embodiment of the invention, the live broadcast progress bar is displayed in the live broadcast picture, and the target review starting point corresponding to the operation is determined by receiving the operation on the progress bar, so that the target review data corresponding to the target review point can be displayed on the display interface, and the technical problem that the review can be performed only by re-establishing the connection with the system when the live broadcast review function is started in the live broadcast process in the related technology is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a first live method according to an embodiment of the present invention;
fig. 2 is a flowchart of a second live broadcasting method according to an embodiment of the present invention;
fig. 3 is a functional diagram of each module unit in a live broadcast method according to an alternative embodiment of the present invention;
FIG. 4 is a flow diagram of a live push provided in accordance with an alternative embodiment of the present invention;
FIG. 5 is a flow diagram of a user live review process provided in accordance with an alternative embodiment of the present invention;
FIG. 6 is a flow diagram of an interaction after a live broadcast is complete, provided in accordance with an alternative embodiment of the present invention;
fig. 7 is a block diagram of a first live device according to an embodiment of the present invention;
fig. 8 is a block diagram of a second live device according to an embodiment of the present invention;
FIG. 9 is a block diagram illustrating the structure of a terminal according to one exemplary embodiment;
fig. 10 is a block diagram illustrating a configuration of a server according to an example embodiment.
Detailed Description
In accordance with an embodiment of the present invention, there is provided an embodiment of a live method, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions and that, although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a first live broadcasting method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, displaying live broadcast pictures on a display page;
step S104, displaying a live progress bar on a display page, wherein a point on the progress bar is a review starting point for reviewing live broadcast;
step S106, receiving a first operation of the progress bar;
and S108, responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through a live broadcast channel, and displaying the target review data on a display page.
Through the steps, for the client side, a mode of displaying the live progress bar in the live broadcast picture is adopted, and the target review starting point corresponding to the operation is determined by receiving the operation on the progress bar, so that the target review data corresponding to the target review point can be displayed on a display interface, and the technical problem that review can be performed only by re-establishing connection with the system when the live review function is started in the live broadcast process in the related technology is solved.
As an alternative embodiment, a live view is displayed on the display page. The display page may be a display picture on various terminals, and the display interface may be various types of interfaces, for example, an APP interface, an applet interface, a web interface, and the like, which can play a live broadcast. The live broadcast can also be various types of live broadcasts, for example, a video live broadcast, an audio live broadcast, a real-time monitoring picture, and the like. The display page displays a live broadcast picture, and can further include various contents, such as: displaying a live broadcast picture on a display page, and executing a live broadcast control for controlling the live broadcast picture, wherein the live broadcast control may include: and stopping the live broadcast control and the live broadcast control so as to control the live broadcast and stop. On the basis of live broadcast control, exclusive setting can be carried out based on specific interface, and other controls also can be set up in order to carry out the function of specific interface for live broadcast control can adapt to the demand of current interface, promotes user's experience and feels.
As an alternative embodiment, a progress bar of the live broadcast is displayed on the display page, wherein a point on the progress bar is a review start point of the review live broadcast. A review of the live may be started from any point on the progress bar. The progress bar changes the corresponding review time point of review live broadcast on the progress bar along with the live broadcast. For example, when the live progress is 30 minutes, and a point on the progress bar is located at the middle position of the progress bar, the live review picture represents that the live progress is 15 minutes; when the live broadcast progress is one hour, and a point on the progress bar is positioned in the middle of the progress bar, the live broadcast review picture represents that the live broadcast progress is 30 minutes. Through the progress bar that shows the live broadcast at the display interface, not only can make the user know the process of live broadcast in real time, can also let the user based on the progress bar, review the live broadcast. Moreover, the live progress bar may not be directly displayed on the display page so as not to affect the viewing of the user. The live broadcast picture can be displayed on the first layer of the display interface, after the click operation of the user on the display interface is obtained, the second layer capable of displaying the progress bar is displayed above the first layer, when the click operation is received again, the second layer is hidden, the progress bar is hidden, and the user can have better experience when watching live broadcast.
As an optional embodiment, when the review is not performed, a real-time live broadcast picture is displayed, a progress point exists on the progress bar, the progress point is defaulted to be at the end point of the progress bar, and the live broadcast picture corresponding to the progress point continuously changes along with the live broadcast. A first operation on a progress bar is received. The first operation may be a click operation on a progress bar, where the position of the click progress bar is a position of a progress point, that is, a position of a target review start point, and then the review live data is played. Through the first operation to the progress bar, can determine the position of target review starting point, and then can determine the time point of reviewing live review data, determine target review data, based on this time point to can transfer the live review data of buffer memory and watch. When knowing the approximate time period of the data which the user wants to review, the user can directly review the live data by clicking a certain position on the progress bar. When the user does not know in which time period or time point the screen that the user wants to review is, the following operations may be performed by determining the drag operation of the progress bar, that is, before receiving the first operation of the progress bar: and receiving a second operation on the progress bar, wherein the second operation is a dragging operation on the progress bar, and the dragging operation is dragging a progress point on the progress bar. When the progress point is dragged on the progress bar, the progress point is changed, so that a live broadcast picture displayed on the display interface is also changed corresponding to the change of the progress point, optionally, the live broadcast picture is also unchanged, a small window is displayed at the moving position of the progress point, and frame image data corresponding to the progress point is displayed. And responding to the dragging operation, and determining a dragging point with the stopping time exceeding a preset stopping time threshold value in the dragging operation on the progress bar, namely the dragging point is a positioning point of the progress point, namely the dragging point is a target review starting point. And obtaining a review picture corresponding to the dragging point through a live broadcast channel, and displaying the review picture on a display page. In the process of dragging, the display interface displays the frame image data corresponding to the dragged time point, so that a user can refer to the frame image data to see whether the frame image data is a picture which the user wants to see back. After the dragging point is positioned, the time of a live-broadcast review picture can be determined according to the position of the dragging point, live-broadcast review data cached in real time are called through the live-broadcast channel, and target review data corresponding to the time point are called out and played on a display interface. In this optional embodiment, before the user really wants to review the target review data for a certain time, the user can find the content that the user wants to review through a drag operation, the content that the user wants to review can be determined by displaying the corresponding picture in the drag process, the content stays at the content that the user wants to review, and the review of the live broadcast picture is performed based on the drag point.
As an alternative embodiment, in response to the first operation, a target review starting point corresponding to the first operation is determined, target review data corresponding to the target review starting point is acquired through a live channel of live broadcast, and the target review data is displayed on a display page. And the live broadcast can be viewed again. After displaying the page display target review data, further comprising: receiving a live broadcasting instruction; responding to a live broadcasting instruction, acquiring live broadcasting data through a live broadcasting channel of live broadcasting, and displaying the live broadcasting data on a display page; or acquiring live broadcast data through a new live broadcast channel, and displaying the live broadcast data in a small window mode on a display page. Namely, the user can directly switch back to the live broadcast picture, or play the review data on the display page, and play the real-time live broadcast picture in a small window mode through a new live broadcast channel, so that the user can realize the value-added experience of the user when needing to compare and watch the live broadcast picture.
Fig. 2 is a flowchart of a second live broadcasting method according to an embodiment of the present invention, and as shown in fig. 2, the method includes the following steps:
step S202, sending live broadcast pictures to client equipment;
step S204, sending a live progress bar to the client device, wherein a point on the progress bar is a review starting point for reviewing live broadcast;
step S206, receiving a first operation of the progress bar sent by the client device;
step S208, responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point;
step S210, sending the target review data to the client device through the live channel for displaying the target review data on the client device.
Through the steps, for one side of the server, a mode of sending a live broadcast picture and a live broadcast progress bar to the client equipment is adopted, and a target review starting point corresponding to the operation is determined by receiving the operation of the client on the progress bar, so that the client can display target review data corresponding to the target review point on a display interface, and the technical problem that review can be performed only by re-establishing connection with the system when a live broadcast review function is started in the live broadcast process in the related technology is solved.
As an alternative embodiment, a live view is sent to the client device. The live broadcast in the live broadcast picture can be various live broadcasts, for example, a video live broadcast, an audio live broadcast, a real-time monitoring picture, and the like. The live broadcast picture is sent to the client device, so that the user can watch real-time live broadcast data, and the requirement of watching the live broadcast by the user is met.
As an alternative embodiment, a progress bar of the live broadcast is sent to the client device, wherein a point on the progress bar is a review start point of reviewing the live broadcast. A review of the live may be started from any point on the progress bar. The progress bar changes the corresponding review time point of review live broadcast on the progress bar along with the live broadcast. For example, when the live progress is 30 minutes, and a point on the progress bar is located at the middle position of the progress bar, the live review picture represents that the live progress is 15 minutes; when the live broadcast progress is one hour, and a point on the progress bar is positioned in the middle of the progress bar, the live broadcast review picture represents that the live broadcast progress is 30 minutes. Through sending the live progress bar to client equipment, not only can make the user know the process of live broadcast in real time, can also let the user based on the progress bar, review live broadcast.
As an alternative embodiment, a first operation on a progress bar sent by a client device is received; the first operation may be a click operation on a progress bar, where the position of the click progress bar is a position of a progress point, that is, a position of a target review start point, and then the review live data is played. Through the first operation to the progress bar, can determine the position of target review starting point, and then can determine the time point of reviewing live review data, determine target review data, based on this time point to can transfer the live review data of buffer memory and watch. When knowing the approximate time period of the data which the user wants to review, the user can directly review the live data by clicking a certain position on the progress bar. When the user does not know the time period or the time point at which the screen that the user wants to review is located, the following operations can be performed by determining the dragging operation of the progress bar, that is, before receiving the first operation of the progress bar sent by the client device: receiving a second operation of the progress bar by the client device, wherein the second operation is a dragging operation on the progress bar; wherein the dragging operation is dragging a progress point on the progress bar. When the progress point is dragged on the progress bar, the progress point changes, so that a live broadcast picture displayed on a display interface of the client changes corresponding to the change of the progress point, optionally, the live broadcast picture is unchanged in the client, a small window is displayed at the moving position of the progress point, and frame image data corresponding to the progress point is displayed. And responding to the dragging operation, and determining a dragging point with the stopping time exceeding a preset stopping time threshold value in the dragging operation on the progress bar, namely the dragging point is a positioning point of the progress point, namely the dragging point is a target review starting point. And obtaining a review picture corresponding to the dragging point, and sending the review picture to the client equipment through a live broadcast channel for displaying the review picture on the client equipment. After the dragging point is located, the time of a live-broadcast review picture can be determined according to the position of the dragging point, live-broadcast review data of real-time cache live broadcast is called through a live-broadcast channel, and target review data corresponding to the live broadcast of the time point is called and played on a display interface. In this optional embodiment, before the user really wants to review the target review data for a certain time, the user can find the content that the user wants to review through a drag operation, the content that the user wants to review can be determined by displaying the corresponding picture in the drag process, the content stays at the content that the user wants to review, and the review of the live broadcast picture is performed based on the drag point.
As an optional embodiment, in response to the first operation, a target review starting point corresponding to the first operation is determined, and target review data corresponding to the target review starting point is acquired, so as to implement review on live broadcast. When target review data corresponding to the target review starting point is acquired, the following method can be adopted: in response to the first operation, determining a time stamp of the first operation on the progress bar, and determining a target review starting point based on the time stamp; determining an offset between the timestamp and a current live broadcast time point of the progress bar, and determining live broadcast data corresponding to the offset from an FLV (Flash Video, streaming media format) storage unit, wherein the FLV storage unit is used for storing the live broadcast data in real time; and determining the live broadcast data corresponding to the offset as target review data corresponding to the target review starting point. The FLV storage unit caches live broadcast data in real time so that a user can call target review data when review is needed. Through confirming that the timestamp converts into the target review time point to through the current offset of timestamp and progress bar, can follow the storage unit and determine corresponding live broadcast data, can determine the target review data of target review time point promptly, realize the function that review data was transferred.
As an optional embodiment, the target review data is sent to the client device through a live broadcast channel for displaying the target review data on the client device, so as to implement live review. After the target review data is sent to the client device through the live channel of the live broadcast, the method further includes: receiving a live broadcast instruction sent by client equipment; responding to a live broadcast instruction, sending live broadcast data to client equipment through a live broadcast channel for displaying the live broadcast data on the client equipment; or sending the live broadcast data to the client equipment through a new live broadcast channel, and displaying the live broadcast data in a small window mode on the client equipment. Namely, the user can directly switch back to the live broadcast picture, or play the review data on the display page, and play the real-time live broadcast picture in a small window mode through a new live broadcast channel, so that the user can realize the value-added experience of the user when needing to compare and watch the live broadcast picture.
Based on the above embodiments and alternative embodiments, an alternative implementation is provided, which is described in detail below.
In the related technology, the real-time video monitoring points in the rail transit are more, and a user cannot monitor all video pictures in real time. When an event occurs, pictures before and after the event often need to be played back in combination with videos, but real-time monitoring and video playback are two independent systems and cannot meet the requirement of rapid disposal of a user.
In order to solve the above problems, a normal live playback is implemented by caching a segment of real-time video picture by a player, but because the client performance is limited, the player cannot bear a large amount of video data, so that the playback time is limited. Some live playback can realize the playback function of dozens of hours through background storage in a streaming media mode. But these are proprietary protocol systems that require the installation of a specific player to enable interaction with the background.
In view of this, an optional embodiment of the present invention provides a live broadcast method, and with the method, a live broadcast and on-demand broadcast system is combined to form a live broadcast review system, so that a user can play a real-time video picture through the system, and can also play back a video picture in any past time period in a progress bar dragging manner. Compared with the related technology, the process of re-establishing the connection, creating the video channel and starting playing of the on-demand file is needed; the method adopted by the optional embodiment of the invention can borrow the existing live broadcast data channel to send the on-demand data because the existing video coding and decoding information is kept unchanged and the only change is the data content, thereby solving the technical problem that the live broadcast playback function needs to be re-connected with the system to be played back when the live broadcast playback function is started in the live broadcast process in the related technology.
Fig. 3 is a functional schematic diagram of each module unit in a live broadcast method according to an alternative embodiment of the present invention, as shown in fig. 3, which is described in detail below:
first, RTMP (Real Time Messaging Protocol) live broadcast source unit:
a connecting module: receiving and pushing video source media information, wherein the video source media information comprises real-time live broadcast data;
an instruction module: analyzing a media information push instruction of a video source, and supporting play (start) and stop instructions;
a data sending module: the system is used for forwarding video source media information to the FLV storage unit and providing real-time live broadcast data for the RTMP live broadcast on demand unit.
(II) RTMP live broadcast on demand unit:
a connecting module: receiving a live broadcast and request of a client player;
an instruction module: analyzing a client playing instruction, and supporting play \ pause, seek and stop instructions;
a data sending module: video source media information sent to a client;
the Play module: the system is used for playing real-time video;
a seek module: the target review data is used for realizing review of the target review data specified by the user;
and a stop module: for realizing stopping playing the video.
(III) FLV memory cell:
a connecting module: receiving a connection request of an RTMP live broadcast source unit and a connection request of a live broadcast on demand unit;
an instruction module: receiving a storage instruction pushed by an RTMP live broadcast source unit and a live broadcast on demand unit seek instruction;
a data storage module: storing real-time live broadcast data pushed by an RTMP video source unit into an FLV file;
a data sending module: and sending the cached FLV file to the client.
Fig. 4 is a flow chart of a live push provided according to an alternative embodiment of the present invention, and as shown in fig. 4, the flow chart is described in detail below:
s1, the video source pushes the video source media information to the streaming media service;
s2, the RTMP live broadcast source unit receives a session establishment request of video source media information, receives the push of the video source media information, acquires the video source media information, and informs the FLV storage unit to cache real-time live broadcast data;
s3, the FLV memory unit obtains the video source media information, caches the real-time live broadcast data to the FLV file, and caches the list of the metadata information and the I frame of the real-time live broadcast, namely the list includes the live broadcast frame image data of each time point.
Fig. 5 is a flowchart of a live review process of a user according to an alternative embodiment of the present invention, and as shown in fig. 5, the following describes the process in detail:
s1, playing the video by the player;
s2, the RTMP live broadcast on demand unit receives the connection session request of the client, acquires the video source media information through the RTMP live broadcast source unit, initializes the media data to contain a live broadcast progress time length, and returns the video source media information to the client for initializing the player,
for example, play, name ═ record/dst, flv' args ═ start ═ -2000duration ═ -1000reset ═ 0silent ═ 0;
the duration is the second of the progress bar, if the value is set, the progress bar which cannot be dragged by the player during live broadcasting will receive dragging, and the function that the progress bar can be dragged by the player during live broadcasting is achieved;
s3, the RTMP live broadcast on demand unit responds to the client end Play instruction, initializes the data sending channel, plays for the first time, and sends the video source media information obtained by the RTMP live broadcast source unit by the send module;
s4, when the user requests the progress bar of the client player, the RTMP live broadcast request unit responds to the client Seek command, acquires the broadcast offset in the Seek command, and requests the FLV storage unit to cache the live broadcast file data;
s5, responding to the RTMP live broadcast on demand unit on demand instruction, converting the offset into the position for playing the buffer file data, and sending the corresponding buffer live broadcast file data to the RTMP live broadcast on demand unit by the FLV storage unit;
it should be noted that the data position of the play cache live file is converted according to the offset in the instruction, and the target review data of the read flv file can be converted by playing a timestamp of the return progress bar and combining with the metadata of the flv file.
And S6, when the user closes the client playing, the RTMP live broadcast on demand unit responds to the client stop instruction, the send module stops data transmission, and finally the client connection session is closed.
Fig. 6 is a flowchart of interaction after the live broadcast is ended according to an alternative embodiment of the present invention, and as shown in fig. 6, the following describes the flowchart in detail:
s1, the video source stops pushing the video source media information to the streaming media service;
s2, the RTMP live broadcast source unit stops receiving the video source media information push data, informs the FLV storage unit to stop real-time live broadcast file caching, informs the RTMP on-demand live broadcast unit to close the client session request, and closes the session with the source end;
s3, the FLV storage unit stops real-time live broadcast data caching;
s4, the RTMP live broadcast unit closes the session with the source.
Through the above alternative embodiment, at least the following advantages can be achieved:
1) the method realizes the seamless switching between live broadcast and on-demand broadcast by using a common RTMP live broadcast on-demand protocol without secondary development of a player and by using a general flashplayer for conventionally playing RTMP.
2) According to the method, the source media information is cached, the media information can be sent to the player without waiting for an I frame in the RTMP live broadcast and on-demand broadcast switching process, seamless switching during video playing is guaranteed, and a black screen is not jammed.
3) The method acquires the media information of the video source through the FLV storage unit, caches the metadata of the real-time video and the list of the I frame, and ensures that the user can quickly position the video when ordering.
4) And the RTMP live broadcast on demand unit sends the cache live broadcast data provided by the FLV storage unit through the existing live broadcast channel.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
According to an embodiment of the present invention, there is further provided an apparatus for implementing the first live broadcasting method, and fig. 7 is a block diagram of a first live broadcasting apparatus according to an embodiment of the present invention, and as shown in fig. 7, the apparatus includes: a first display module 702, a second display module 704, a first receiving module 706 and a first determining module 708, which are described in detail below.
A first display module 702, configured to display a live broadcast frame on a display page; a second display module 704, connected to the first display module 702, configured to display a live progress bar on a display page, where a point on the progress bar is a review starting point of reviewing the live progress bar; a first receiving module 706, connected to the second displaying module 704, for receiving a first operation on the progress bar; a first determining module 708, connected to the first receiving module 706, configured to determine, in response to the first operation, a target review starting point corresponding to the first operation, obtain, through a live channel of a live broadcast, target review data corresponding to the target review starting point, and display the target review data on a display page.
It should be noted here that the first display module 702, the second display module 704, the first receiving module 706 and the first determining module 708 correspond to steps S102 to S108 in the first live broadcasting method, and a plurality of modules are the same as examples and application scenarios realized by the corresponding steps, but are not limited to what is disclosed in the above embodiment 1.
Example 3
According to an embodiment of the present invention, there is further provided an apparatus for implementing the second live broadcasting method, and fig. 8 is a block diagram of a second live broadcasting apparatus according to an embodiment of the present invention, and as shown in fig. 8, the apparatus includes: a first sending module 802, a second sending module 804, a second receiving module 806, a first processing module 808 and a third sending module 810, which are described in detail below.
A first sending module 802, configured to send a live broadcast picture to a client device; a second sending module 804, connected to the first sending module 802, configured to send a live progress bar to the client device, where a point on the progress bar is a review starting point of reviewing live broadcasts; a second receiving module 806, connected to the second sending module 804, configured to receive a first operation on the progress bar sent by the client device; a first processing module 808, connected to the second receiving module 806, configured to determine, in response to the first operation, a target review starting point corresponding to the first operation, and obtain target review data corresponding to the target review starting point; and a third sending module 810, connected to the first processing module 808, configured to send the target review data to the client device through a live channel for displaying the target review data on the client device.
It should be noted that, the first sending module 802, the second sending module 804, the second receiving module 806, the first processing module 808 and the third sending module 810 correspond to steps S202 to S220 in the second live broadcast method, and a plurality of modules are the same as examples and application scenarios realized by the corresponding steps, but are not limited to the contents disclosed in the above embodiment 1.
Example 4
The embodiment of the disclosure can provide an electronic device, which can be a terminal or a server. In this embodiment, the electronic device may be any one of computer terminal devices in a computer terminal group as a terminal. Optionally, in this embodiment, the terminal may also be a terminal device such as a mobile terminal.
Optionally, in this embodiment, the terminal may be located in at least one network device of a plurality of network devices of a computer network.
Alternatively, fig. 9 is a block diagram illustrating a structure of a terminal according to an exemplary embodiment. As shown in fig. 9, the terminal may include: one or more processors 91 (only one shown), a memory 92 for storing processor-executable instructions; wherein the processor is configured to execute the instructions to implement the live method of any of the above.
The memory may be configured to store software programs and modules, such as program instructions/modules corresponding to the live broadcasting method and apparatus in the embodiments of the present disclosure, and the processor executes various functional applications and data processing by running the software programs and modules stored in the memory, that is, implements the live broadcasting method. The memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the computer terminal through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor can call the information and application program stored in the memory through the transmission device to execute the following steps: displaying a live broadcast picture on a display page; displaying a live progress bar on a display page, wherein a point on the progress bar is a review starting point for reviewing the live progress bar; receiving a first operation on a progress bar; and responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through a live broadcast channel, and displaying the target review data on a display page.
Optionally, the processor may further execute the program code of the following steps: before receiving the first operation of the progress bar, the method further comprises the following steps: receiving a second operation on the progress bar, wherein the second operation is a dragging operation on the progress bar; responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar; and obtaining a review picture corresponding to the dragging point through a live broadcast channel, and displaying the review picture on a display page.
Optionally, the processor may further execute the program code of the following steps: displaying a live broadcast picture on a display page, comprising: displaying a live broadcast picture on a display page, and executing a live broadcast control for controlling the live broadcast picture, wherein the live broadcast control comprises: and stopping the live broadcast control and playing the live broadcast control.
Optionally, the processor may further execute the program code of the following steps: after displaying the page display target review data, further comprising: receiving a live broadcasting instruction; responding to a live broadcasting instruction, acquiring live broadcasting data through a live broadcasting channel of live broadcasting, and displaying the live broadcasting data on a display page; or acquiring live broadcast data through a new live broadcast channel, and displaying the live broadcast data in a small window mode on a display page.
In the embodiment of the present disclosure, the electronic device serves as a server, and fig. 10 is a block diagram illustrating a structure of a server according to an exemplary embodiment. As shown in fig. 10, the server 100 may include: one or more (only one shown in the figure) processing components 101, a memory 102 for storing executable instructions of the processing components 101, a power supply component 103 for supplying power, a network interface 104 for realizing communication with an external network, and an I/O input/output interface 105 for data transmission with the outside; wherein the processing component 101 is configured to execute instructions to implement the live method of any of the above.
The memory may be configured to store software programs and modules, such as program instructions/modules corresponding to the live broadcasting method and apparatus in the embodiments of the present disclosure, and the processor executes various functional applications and data processing by running the software programs and modules stored in the memory, that is, implements the live broadcasting method. The memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the computer terminal through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processing component can call the information and the application program stored in the memory through the transmission device to execute the following steps: sending a live broadcast picture to the client equipment; sending a live progress bar to the client device, wherein a point on the progress bar is a review starting point for reviewing live broadcasts; receiving a first operation of a progress bar sent by a client device; responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point; and sending the target review data to the client equipment through a live broadcast channel for displaying the target review data on the client equipment.
Optionally, the processing component may further execute program codes of the following steps: before receiving the first operation of the progress bar sent by the client device, the method further comprises the following steps: receiving a second operation of the progress bar by the client device, wherein the second operation is a dragging operation on the progress bar; responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar; and obtaining a review picture corresponding to the dragging point, and sending the review picture to the client equipment through a live broadcast channel for displaying the review picture on the client equipment.
Optionally, the processing component may further execute program codes of the following steps: responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point, wherein the method comprises the following steps: in response to the first operation, determining a time stamp of the first operation on the progress bar, and determining a target review starting point based on the time stamp; determining an offset between the timestamp and a current live broadcast time point of the progress bar, and determining live broadcast data corresponding to the offset from an FLV storage unit, wherein the FLV storage unit is used for storing the live broadcast data in real time; and determining the live broadcast data corresponding to the offset as target review data corresponding to the target review starting point.
Optionally, the processing component may further execute program codes of the following steps: after the target review data is sent to the client device through the live channel of the live broadcast, the method further includes: receiving a live broadcast instruction sent by client equipment; responding to a live broadcast instruction, sending live broadcast data to client equipment through a live broadcast channel for displaying the live broadcast data on the client equipment; or sending the live broadcast data to the client equipment through a new live broadcast channel, and displaying the live broadcast data in a small window mode on the client equipment.
It can be understood by those skilled in the art that the structures shown in fig. 9 and fig. 10 are only schematic, for example, the terminal may also be a terminal device such as a smart phone (e.g., an Android phone, an iOS phone, etc.), a tablet computer, a palmtop computer, a Mobile Internet Device (MID), a PAD, and the like. Fig. 9 and 10 do not limit the structure of the electronic device. For example, it may also include more or fewer components (e.g., network interfaces, display devices, etc.) than shown in fig. 9, 10, or have a different configuration than shown in fig. 9, 10.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by a program instructing hardware associated with the terminal device, where the program may be stored in a computer-readable storage medium, and the storage medium may include: flash disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
Example 5
In an exemplary embodiment, there is also provided a computer readable storage medium comprising instructions which, when executed by a processor of a terminal, enable the terminal to perform the live method of any of the above. Alternatively, the computer readable storage medium may be a non-transitory computer readable storage medium, for example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Optionally, in this embodiment, the computer-readable storage medium may be configured to store program codes executed by the live broadcasting method provided in the foregoing embodiment.
Optionally, in this embodiment, the computer-readable storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: displaying a live broadcast picture on a display page; displaying a live progress bar on a display page, wherein a point on the progress bar is a review starting point for reviewing the live progress bar; receiving a first operation on a progress bar; and responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through a live broadcast channel, and displaying the target review data on a display page.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: before receiving the first operation of the progress bar, the method further comprises the following steps: receiving a second operation on the progress bar, wherein the second operation is a dragging operation on the progress bar; responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar; and obtaining a review picture corresponding to the dragging point through a live broadcast channel, and displaying the review picture on a display page.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: displaying a live broadcast picture on a display page, comprising: displaying a live broadcast picture on a display page, and executing a live broadcast control for controlling the live broadcast picture, wherein the live broadcast control comprises: and stopping the live broadcast control and playing the live broadcast control.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: after displaying the page display target review data, further comprising: receiving a live broadcasting instruction; responding to a live broadcasting instruction, acquiring live broadcasting data through a live broadcasting channel of live broadcasting, and displaying the live broadcasting data on a display page; or acquiring live broadcast data through a new live broadcast channel, and displaying the live broadcast data in a small window mode on a display page.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: sending a live broadcast picture to the client equipment; sending a live progress bar to the client device, wherein a point on the progress bar is a review starting point for reviewing live broadcasts; receiving a first operation of a progress bar sent by a client device; responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point; and sending the target review data to the client equipment through a live broadcast channel for displaying the target review data on the client equipment.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: before receiving the first operation of the progress bar sent by the client device, the method further comprises the following steps: receiving a second operation of the progress bar by the client device, wherein the second operation is a dragging operation on the progress bar; responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar; and obtaining a review picture corresponding to the dragging point, and sending the review picture to the client equipment through a live broadcast channel for displaying the review picture on the client equipment.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point, wherein the method comprises the following steps: in response to the first operation, determining a time stamp of the first operation on the progress bar, and determining a target review starting point based on the time stamp; determining an offset between the timestamp and a current live broadcast time point of the progress bar, and determining live broadcast data corresponding to the offset from an FLV storage unit, wherein the FLV storage unit is used for storing the live broadcast data in real time; and determining the live broadcast data corresponding to the offset as target review data corresponding to the target review starting point.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: after the target review data is sent to the client device through the live channel of the live broadcast, the method further includes: receiving a live broadcast instruction sent by client equipment; responding to a live broadcast instruction, sending live broadcast data to client equipment through a live broadcast channel for displaying the live broadcast data on the client equipment; or sending the live broadcast data to the client equipment through a new live broadcast channel, and displaying the live broadcast data in a small window mode on the client equipment.
In an exemplary embodiment, a computer program product is also provided, in which a computer program, when executed by a processor of an electronic device, enables the electronic device to perform the live method of any of the above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (13)
1. A live broadcast method, comprising:
displaying a live broadcast picture on a display page;
displaying the progress bar of the live broadcast on the display page, wherein a point on the progress bar is a review starting point for reviewing the live broadcast;
receiving a first operation on the progress bar;
and responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through the live broadcast channel, and displaying the target review data on the display page.
2. The method of claim 1, further comprising, prior to receiving the first operation on the progress bar:
receiving a second operation on the progress bar, wherein the second operation is a dragging operation on the progress bar;
responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar;
and obtaining a review picture corresponding to the dragging point through the live broadcast channel, and displaying the review picture on the display page.
3. The method of claim 1, wherein displaying the live frame on the display page comprises:
displaying the live broadcast picture on the display page, and a live broadcast control for controlling the live broadcast picture, wherein the live broadcast control comprises: and stopping the live broadcast control and playing the live broadcast control.
4. The method of any of claims 1-3, further comprising, after the display page displays the target review data:
receiving a live broadcasting instruction;
responding to the live broadcast instruction, acquiring live broadcast data through a live broadcast channel of the live broadcast, and displaying the live broadcast data on the display page; or acquiring live broadcast data through a new live broadcast channel, and displaying the live broadcast data on the display page in a small window mode.
5. A live broadcast method, comprising:
sending a live broadcast picture to the client equipment;
sending the progress bar of the live broadcast to the client equipment, wherein a point on the progress bar is a review starting point for reviewing the live broadcast;
receiving a first operation of the progress bar sent by the client device;
responding to the first operation, determining a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point;
and sending the target review data to the client equipment through the live broadcast channel for displaying the target review data on the client equipment.
6. The method of claim 5, further comprising, prior to receiving the first operation on the progress bar sent by the client device:
receiving a second operation of the progress bar by the client device, wherein the second operation is a dragging operation on the progress bar;
responding to the dragging operation, and determining a dragging point with the staying time exceeding a preset staying time threshold in the dragging operation on the progress bar;
and obtaining a review picture corresponding to the dragging point, sending the review picture to the client equipment through the live broadcast channel, and displaying the review picture on the client equipment.
7. The method according to claim 5, wherein the determining, in response to the first operation, a target review starting point corresponding to the first operation, and acquiring target review data corresponding to the target review starting point comprises:
in response to the first operation, determining a timestamp of the first operation on the progress bar, and determining the target review starting point based on the timestamp;
determining an offset between the timestamp and a current live broadcast time point of the progress bar, and determining live broadcast data corresponding to the offset from an FLV storage unit, wherein the FLV storage unit is used for storing the live broadcast data in real time;
and determining the live broadcast data corresponding to the offset as the target review data corresponding to the target review starting point.
8. The method of any of claims 5 to 7, further comprising, after sending the target lookback data to the client device over the live channel of the live broadcast:
receiving a live broadcast instruction sent by the client equipment;
responding to the live broadcast instruction, sending live broadcast data to the client equipment through a live broadcast channel of the live broadcast, and displaying the live broadcast data on the client equipment; or sending live broadcast data to the client equipment through a new live broadcast channel, and displaying the live broadcast data in a small window mode on the client equipment.
9. A live broadcast apparatus, comprising:
the first display module is used for displaying a live broadcast picture on a display page;
the second display module is used for displaying the live progress bar on the display page, wherein a point on the progress bar is a review starting point for reviewing the live progress bar;
the first receiving module is used for receiving a first operation on the progress bar;
and the first determining module is used for responding to the first operation, determining a target review starting point corresponding to the first operation, acquiring target review data corresponding to the target review starting point through the live broadcast channel, and displaying the target review data on the display page.
10. A live broadcast apparatus, comprising:
the first sending module is used for sending a live broadcast picture to the client equipment;
a second sending module, configured to send the live progress bar to the client device, where a point on the progress bar is a review starting point for reviewing the live broadcast;
the second receiving module is used for receiving the first operation of the progress bar sent by the client device;
the first processing module is used for responding to the first operation, determining a target review starting point corresponding to the first operation and acquiring target review data corresponding to the target review starting point;
and the third sending module is used for sending the target review data to the client equipment through the live broadcast channel of the live broadcast and displaying the target review data on the client equipment.
11. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the live method of any of claims 1-8.
12. A computer-readable storage medium having instructions thereon that, when executed by a processor of an electronic device, enable the electronic device to perform the live method of any of claims 1-8.
13. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the live method of any of claims 1 to 8.
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