CN106170094B - Live broadcasting method and device for panoramic video - Google Patents
Live broadcasting method and device for panoramic video Download PDFInfo
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- CN106170094B CN106170094B CN201610808157.6A CN201610808157A CN106170094B CN 106170094 B CN106170094 B CN 106170094B CN 201610808157 A CN201610808157 A CN 201610808157A CN 106170094 B CN106170094 B CN 106170094B
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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
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
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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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
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Abstract
The invention relates to a live broadcasting method and device of panoramic video. The method comprises the following steps: acquiring a live broadcast data stream of a panoramic video; acquiring a corresponding relation between a playing time point of the panoramic video played by the first terminal and the coordinate information; and pushing the live data stream and the corresponding relation to a second terminal so that the second terminal plays the live data stream according to the corresponding relation. The server acquires the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information, and pushes the live broadcast data stream and the corresponding relation to the second terminal so that the second terminal plays the live broadcast data stream according to the corresponding relation.
Description
Technical Field
The invention relates to the technical field of videos, in particular to a live broadcasting method and device of panoramic videos.
Background
When a user watches the panoramic video, the user can freely select each visual angle to watch the panoramic video. However, for live videos with commentary such as sports events and games, if a user freely selects each viewing angle to view a panoramic video, it is likely that it is difficult to understand the commentary content of the anchor broadcast, thereby affecting the experience of viewing the live video.
Disclosure of Invention
Technical problem
In view of this, the technical problem to be solved by the present invention is that the existing live broadcast technology of panoramic video easily causes that a user is difficult to understand the commentary content of a main broadcast.
Solution scheme
In order to solve the above technical problem, according to an embodiment of the present invention, a live broadcasting method of a panoramic video is provided, including:
acquiring a live broadcast data stream of a panoramic video;
acquiring a corresponding relation between a playing time point of the panoramic video played by the first terminal and the coordinate information;
and pushing the live data stream and the corresponding relation to a second terminal so that the second terminal plays the live data stream according to the corresponding relation.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a method for playing a panoramic video, including:
in the process of playing the panoramic video, acquiring a corresponding relation between a playing time point for playing the panoramic video and coordinate information;
and sending the corresponding relation to a server.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a method for playing a panoramic video, including:
acquiring a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point of the panoramic video and coordinate information;
and playing the live data stream according to the corresponding relation.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a live broadcasting apparatus of panoramic video, including:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a live data stream of a panoramic video;
the second acquisition module is used for acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information;
and the pushing module is used for pushing the live data stream and the corresponding relation to a second terminal so that the second terminal plays the live data stream according to the corresponding relation.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a live broadcasting apparatus of panoramic video, including:
the acquisition module is used for acquiring the corresponding relation between the playing time point and the coordinate information of the panoramic video in the process of playing the panoramic video;
and the sending module is used for sending the corresponding relation to a server.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a live broadcasting apparatus of panoramic video, including:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point of the panoramic video and coordinate information;
and the playing module is used for playing the live data stream according to the corresponding relation.
For the apparatus, in a possible implementation manner, the second obtaining module is configured to:
and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the center coordinate.
For the apparatus, in a possible implementation manner, the second obtaining module includes:
the pushing submodule is used for pushing the acquired live broadcast data stream of the panoramic video to the first terminal;
and the obtaining submodule is used for obtaining the corresponding relation between the playing time point of the first terminal for playing the live data stream and the coordinate information.
For the apparatus, in a possible implementation manner, the first obtaining module is configured to:
and acquiring a live broadcast data stream of the panoramic video from the first terminal.
For the apparatus, in a possible implementation manner, the second obtaining module is configured to:
and acquiring a corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information under the condition that the coordinate information of the panoramic video played by the first terminal is changed.
For the apparatus, in a possible implementation manner, the second obtaining module is configured to:
and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information at a preset frequency.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a live broadcasting apparatus of panoramic video, including:
the acquisition module is used for acquiring the corresponding relation between the playing time point and the coordinate information of the panoramic video in the process of playing the panoramic video;
and the sending module is used for sending the corresponding relation to a server.
For the apparatus, in a possible implementation manner, the obtaining module is configured to:
and acquiring the corresponding relation between the playing time point and the center coordinate of the panoramic video.
For the apparatus, in a possible implementation manner, the sending module is configured to:
and sending the live broadcast data stream of the panoramic video and the corresponding relation to a server.
For the apparatus, in a possible implementation manner, the obtaining module is configured to:
in the process of playing a live broadcast data stream of a panoramic video from a server, acquiring a corresponding relation between a playing time point for playing the live broadcast data stream and coordinate information.
For the apparatus, in a possible implementation manner, the obtaining module is configured to:
and under the condition that the coordinate information for playing the panoramic video is detected to change, acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information.
For the apparatus, in a possible implementation manner, the obtaining module is configured to:
and acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information at a preset frequency.
In order to solve the above technical problem, according to another embodiment of the present invention, there is provided a live broadcasting apparatus of panoramic video, including:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point of the panoramic video and coordinate information;
and the playing module is used for playing the live data stream according to the corresponding relation.
For the apparatus, in a possible implementation manner, the obtaining module is configured to:
the method comprises the steps of obtaining a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point and a center coordinate of the panoramic video.
For the above apparatus, in a possible implementation manner, the playing module is configured to:
and when the central coordinate corresponding to the current playing time point is determined to change relative to the central coordinate corresponding to the previous playing time point according to the corresponding relation, moving the central coordinate corresponding to the previous playing time point to the central coordinate corresponding to the current playing time point according to a preset rule.
Advantageous effects
The server acquires the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information, and pushes the live broadcast data stream and the corresponding relation to the second terminal so that the second terminal plays the live broadcast data stream according to the corresponding relation.
Other features and aspects of the present invention will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the invention and, together with the description, serve to explain the principles of the invention.
Fig. 1 shows a flow chart of an implementation of a live method of panoramic video according to an embodiment of the invention;
fig. 2 shows a flow chart of an implementation of a live method of panoramic video according to another embodiment of the invention;
fig. 3 shows a flow chart of an implementation of a live method of panoramic video according to another embodiment of the invention;
fig. 4 is a block diagram showing a configuration of a live device of a panoramic video according to another embodiment of the present invention;
fig. 5 is a block diagram showing a configuration of a live device of a panoramic video according to another embodiment of the present invention;
fig. 6 is a block diagram showing a configuration of a live device of a panoramic video according to another embodiment of the present invention;
fig. 7 shows a system architecture diagram of a live system of panoramic video according to another embodiment of the present invention;
fig. 8 shows a block diagram of a live device of panoramic video according to another embodiment of the present invention.
Detailed Description
Various exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, procedures, components, and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present invention.
Example 1
Fig. 1 shows a flow chart of an implementation of a live method of panoramic video according to an embodiment of the present invention. The execution subject of this embodiment may be a server, or may be a live device of other panoramic videos, and is not limited herein. As shown in fig. 1, the method mainly includes:
in step S101, a live data stream of a panoramic video is acquired.
It should be noted that, the live data stream of the panoramic video may be acquired from the first terminal, or may be acquired from other terminal devices or other servers, and is not limited herein.
In step S102, a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information is obtained.
In a possible implementation manner, obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information includes: and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the center coordinate. For example, the correspondence between the playing time point of the panoramic video played by the first terminal and the coordinate information may include a correspondence between each playing time point of the panoramic video played by the first terminal and the center coordinate, or may include a correspondence between a certain time period in the panoramic video played by the first terminal and the center coordinate. For example, the correspondence "00: 01:04,220(240, 360)" may indicate that the center coordinates of the panoramic video played by the first terminal are (240,360) at the play time point of 1 minute, 4 seconds and 220 milliseconds. For another example, the correspondence "00: 01:04,220 → 00:01:07,730(240, 360)" may indicate that the play time point is 220 ms from 1 min 4 s to 730 ms from 1 min 7 s, and the center coordinate of the panoramic video played by the first terminal is (240, 360). According to the correspondence, it can be determined that the center coordinates of the panoramic video played by the first terminal are all (240,360) at each play time point in the time period of 220 milliseconds to 730 milliseconds of 1 minute 4 seconds, and for example, the correspondence "00: 01:04,220 → 00:01:07,730(240,360) → (240,720)" can indicate that the play time point is 220 milliseconds to 730 milliseconds of 1 minute 4 seconds from 1 minute 4 seconds, and the center coordinates of the panoramic video played by the first terminal are moved from (240,360) to (240,720). According to the corresponding relationship, the center coordinates of the panoramic video played by the first terminal corresponding to each playing time point in the time period from 220 milliseconds to 730 milliseconds of 1 minute 4 seconds can be calculated, for example, by linear interpolation or other predetermined rules.
In step S103, the live data stream and the corresponding relationship are pushed to the second terminal, so that the second terminal plays the live data stream according to the corresponding relationship.
As an example of the embodiment of the present invention, after the corresponding relationship between the playing time point of the panoramic video played by the first terminal and the coordinate information is obtained, the live data stream and the corresponding relationship may be pushed to the second terminal in real time, so that the second terminal can play the live data stream according to the corresponding relationship in real time.
In the embodiment of the invention, the corresponding relation between the playing time point and the coordinate information from the first terminal can be forwarded to the second terminal through the server, so that the problem of poor connectivity of the first terminal and the second terminal in direct connection is avoided.
In a possible implementation manner, obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information includes: pushing the obtained live broadcast data stream of the panoramic video to a first terminal; and acquiring the corresponding relation between the playing time point of the live data stream played by the first terminal and the coordinate information. In the implementation manner, under the condition that the live data stream of the panoramic video does not come from the first terminal, the acquired live data stream of the panoramic video is pushed to the first terminal and the second terminal, and the corresponding relation from the first terminal is pushed to the second terminal, so that the view angle synchronization of the first terminal and the second terminal is realized. In a possible implementation manner, additional content (e.g., text, voice commentary, etc.) for the panoramic video from the first terminal may also be obtained and pushed to the second terminal, and the additional content, the live data stream of the panoramic video, and the correspondence may be based on the same time axis, so that the live video stream and the additional content may be played on the second terminal synchronously, and the viewing angle changes synchronously with the first terminal during playing, so that a user of the second terminal can understand the commentary content of the user of the first terminal more.
In one possible implementation, acquiring a live data stream of a panoramic video includes: and acquiring a live broadcast data stream of the panoramic video from the first terminal. In this implementation, when the live data stream of the panoramic video comes from the first terminal, the live data stream of the panoramic video is acquired from the first terminal, and the live data stream may include the panoramic video data and additional content such as commentary. As an example of the embodiment of the present invention, a live data stream of a panoramic video and a corresponding relationship between a playing time point when the live data stream is played by the first terminal and coordinate information may be simultaneously obtained from the first terminal and pushed to the second terminal, so that the viewing angle synchronization between the first terminal and the second terminal is realized.
In a possible implementation manner, obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information includes: under the condition that the coordinate information of the panoramic video played by the first terminal changes, the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information is obtained. In this case, the latest correspondence may be actively reported to the server by the first terminal in the case where the coordinate information changes.
In a possible implementation manner, obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information includes: and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information at a preset frequency. For example, the corresponding relationship between the playing time point of the panoramic video played by the first terminal and the coordinate information may be acquired every 5 seconds. In this case, the server may collect the latest correspondence at regular time, or the first terminal may report the latest correspondence to the server at regular time and on its own.
In another possible implementation manner, obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information includes: and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information in real time.
In this way, according to the live broadcast method of the panoramic video in the embodiment of the present invention, the coordinate of the second terminal for watching the panoramic video can be kept synchronous with the first terminal, so that the user corresponding to the second terminal can easily understand the content of the comment from the first terminal, and the experience of the user for watching the panoramic video can be improved.
Example 2
Fig. 2 shows a flow chart of an implementation of a live method of panoramic video according to another embodiment of the present invention. The execution main body of the embodiment may be a PC (Personal Computer), a mobile terminal such as a mobile phone or a tablet Computer, or another live device of panoramic video, and is not limited herein. The execution body of this embodiment may be referred to as the "anchor". As shown in fig. 2, the method mainly includes:
in step S201, in the process of playing the panoramic video, a corresponding relationship between a playing time point of the panoramic video and the coordinate information is obtained.
It should be noted that, in the process of watching the panoramic video by the user, different parts of the panoramic video can be watched through rotation of the terminal device, gesture dragging operation, mouse operation, keyboard operation, or the like.
In a possible implementation manner, obtaining a corresponding relationship between a playing time point for playing the panoramic video and the coordinate information includes: and acquiring the corresponding relation between the playing time point and the center coordinate of the played panoramic video.
For example, the correspondence between the play time point of the panoramic video and the coordinate information may include 00:01:04,220(240,360) indicating that the center coordinate of the panoramic video played by the first terminal is (240,360) at the play time point of 1 minute 4 seconds 220 milliseconds, or may include 00:01:04,220 → 00:01:07,730(240,360) indicating that the play time point is (240,360) from 1 minute 4 seconds 220 milliseconds to 1 minute 7 seconds 730 milliseconds.
In step S202, the correspondence is transmitted to the server.
As an example of the embodiment of the present invention, after acquiring a correspondence between a playing time point of a playing panoramic video and coordinate information, the correspondence is sent to a server in real time.
In one possible implementation, sending the correspondence to the server includes: and sending the live broadcast data stream of the panoramic video and the corresponding relation to a server. In this implementation, when a live data stream of a panoramic video is captured by a live device of the panoramic video, the live data stream of the panoramic video may be transmitted to the server while transmitting a correspondence between a playback time point at which the panoramic video is played and coordinate information to the server, and the live data stream may include additional content such as commentary.
In a possible implementation manner, in the process of playing the panoramic video, obtaining a corresponding relationship between a playing time point of the panoramic video and the coordinate information includes: in the process of playing the live broadcast data stream of the panoramic video from the server, the corresponding relation between the playing time point for playing the live broadcast data stream and the coordinate information is obtained. In this implementation manner, in a case where the live data stream of the panoramic video is from the server, in a process of playing the live data stream of the panoramic video from the server, a correspondence between a playing time point for playing the live data stream and the coordinate information is obtained. In this case, additional content (e.g., text, voice commentary, etc.) for the panoramic video may also be acquired and sent to the server, so as to play the live data stream and the additional content of the panoramic video synchronously on the other terminals, and to make the viewing angles of the other terminals change synchronously with the viewing angle of the live device during playing, so that the user can understand the commentary content of the live party more.
In a possible implementation manner, obtaining a corresponding relationship between a playing time point for playing the panoramic video and the coordinate information includes: and under the condition that the coordinate information of the played panoramic video is detected to change, acquiring the corresponding relation between the playing time point of the played panoramic video and the coordinate information. For example, when it is detected that the center coordinates of the played panoramic video are changed, the corresponding relationship between the playing time point of the played panoramic video and the coordinate information is obtained.
In another possible implementation manner, obtaining a corresponding relationship between a playing time point for playing the panoramic video and the coordinate information includes: and acquiring the corresponding relation between the playing time point and the coordinate information of the panoramic video at a preset frequency.
In another possible implementation manner, obtaining a corresponding relationship between a playing time point for playing the panoramic video and the coordinate information includes: and acquiring the corresponding relation between the playing time point of the played panoramic video and the coordinate information in real time.
Therefore, according to the live broadcasting method of the panoramic video, the coordinates of other terminal equipment which watches the panoramic video and the live broadcasting device of the panoramic video can be kept synchronous, so that users corresponding to other terminal equipment which watches the panoramic video can easily understand the explanation content from the live broadcasting device of the panoramic video, and the experience of the users watching the panoramic video can be improved.
Example 3
Fig. 3 shows a flow chart of an implementation of a live method of panoramic video according to another embodiment of the present invention. The execution subject of this embodiment may be a PC, a mobile terminal such as a mobile phone or a tablet computer, or another live device of panoramic video, which is not limited herein. The execution body of this embodiment may be referred to as a "client". As shown in fig. 3, the method mainly includes:
in step S301, a live data stream of the panoramic video from the server and a correspondence between a playing time point of the panoramic video and the coordinate information are acquired.
As an example of the embodiment of the present invention, the obtaining of the live data stream of the panoramic video from the server and the corresponding relationship between the playing time point of the panoramic video and the coordinate information may be: and acquiring a live broadcast data stream of the panoramic video from the server and a corresponding relation between the playing time point of the panoramic video and the coordinate information at a preset frequency.
For example, the correspondence between the playing time point of the panoramic video and the coordinate information may include a correspondence between each playing time point of the panoramic video and the center coordinate, or may include a correspondence between a certain time period in the panoramic video and the center coordinate. For example, the corresponding relationship between the playing time point and the coordinate information may include 00:01:04,220(240,360), which indicates that the center coordinate of the panoramic video played by the first terminal is (240,360) at the playing time point of 1 minute, 4 seconds and 220 milliseconds. For another example, the correspondence relationship between the play time point and the coordinate information includes 00:01:04,220 → 00:01:07,730(240,360), which indicates that the play time point is 220 msec from 1 minute 4 sec to 1 minute 7 sec 730 msec, and the center coordinate is (240, 360). From this correspondence, it can be determined that the center coordinates corresponding to each play time point in the time period of 220 msec to 730 msec of 1 min 4 sec are (240, 360). For another example, the correspondence relationship between the play time point and the coordinate information includes 00:01:04,220 → 00:01:07,730(240,360) → (240,720), which indicates that the play time point is 220 msec to 1 min 7 sec 730 msec from 1 min 4 sec, and the center coordinate is moved from (240,360) to (240,720). According to the corresponding relationship, the center coordinates corresponding to each playing time point in the time period from 220 milliseconds to 730 milliseconds of 1 minute 4 seconds can be calculated, for example, by linear interpolation or other predetermined rules.
In step S302, the live data stream is played according to the corresponding relationship.
As an example of the embodiment of the present invention, in a process of viewing a panoramic video, a user may select to play a live data stream according to a corresponding relationship (for example, may be referred to as a "synchronization mode"), may select to view a different portion of the panoramic video (for example, may be referred to as a "free mode") by rotating a terminal device, performing a gesture drag operation, performing a mouse operation, performing a keyboard operation, or the like, or may view a different portion of the panoramic video by rotating a terminal device, performing a gesture drag operation, performing a mouse operation, performing a keyboard operation, or the like, while playing the live data stream according to a corresponding relationship.
For example, a virtual button may be set on the playing interface, and a user may select to watch the panoramic video according to the obtained corresponding relationship through the virtual button in the process of watching the panoramic video, and after clicking the virtual button, the user may still watch the panoramic video at a free viewing angle through a manner of terminal device rotation, gesture dragging operation, mouse operation, keyboard operation, or the like, and may select to watch the panoramic video according to the obtained corresponding relationship by clicking the virtual button again.
In a possible implementation manner, acquiring a live data stream of a panoramic video from a server and a corresponding relationship between a playing time point of the panoramic video and coordinate information includes: and acquiring a live broadcast data stream of the panoramic video from the server and a corresponding relation between the playing time point of the panoramic video and the center coordinate.
In a possible implementation manner, playing a live data stream according to a corresponding relationship includes: and when the central coordinate corresponding to the current playing time point is determined to change relative to the central coordinate corresponding to the previous playing time point according to the corresponding relation, moving from the central coordinate corresponding to the previous playing time point to the central coordinate corresponding to the current playing time point according to a preset rule. In this implementation manner, under the condition that the center coordinates corresponding to the adjacent playing time points are different, the center coordinates of the live data stream of the panoramic video can be played in a moving manner according to the center coordinates corresponding to the adjacent playing time points, so that the user can watch the panoramic video in real time along with the playing view angle corresponding to the acquired corresponding relationship.
The center coordinates of the played panoramic video can be moved from the center coordinates corresponding to the last playing time point to the center coordinates corresponding to the current playing time point through various linear or nonlinear ways, for example, the center coordinates of the played panoramic video can be moved from the center coordinates corresponding to the last playing time point to the center coordinates corresponding to the current playing time point along a straight line, a bezier curve, an arc line, and the like. By way of example, several exemplary possible implementations are given below.
In a possible implementation manner, moving from a center coordinate corresponding to a previous playing time point to a center coordinate corresponding to a current playing time point according to a predetermined rule includes: and linearly moving the center coordinate of the played panoramic video from the center coordinate corresponding to the last playing time point to the center coordinate corresponding to the current playing time point. For example, if the center coordinate corresponding to the last playing time point is (240,360), and the center coordinate corresponding to the current playing time point is (240,720), linear interpolation may be performed between (240,360) and (240,720), and the center coordinate of the playing panoramic video may be linearly moved from (240,360) to (240,720) according to the intermediate coordinate obtained by the linear interpolation.
In another possible implementation manner, when the video frame of the panoramic video is a curved image, a shortest curved path between a center coordinate corresponding to a previous playing time point and a center coordinate corresponding to a current playing time point may be calculated, an interpolation may be performed between a center coordinate corresponding to a previous playing time point and a center coordinate corresponding to the current playing time point according to the shortest curved path, and the center coordinate of the played panoramic video is moved from the center coordinate corresponding to the previous playing time point to the center coordinate corresponding to the current playing time point according to an intermediate coordinate obtained by the interpolation.
In this way, according to the live broadcast method of the panoramic video of the embodiment of the present invention, the coordinates of the panoramic video watched by the user and the corresponding relationship between the playing time point from the server and the coordinates can be synchronized, so that the user can easily understand the content of the commentary about the panoramic video, and the experience of the user watching the panoramic video can be improved.
Example 4
Fig. 4 is a block diagram illustrating a structure of a live device of a panoramic video according to another embodiment of the present invention. The apparatus shown in fig. 4 may be used to run the live method of panoramic video provided in embodiment 1. For convenience of explanation, only portions related to the embodiment of the present invention are shown in fig. 4.
As shown in fig. 4, the apparatus includes: a first obtaining module 41, configured to obtain a live data stream of a panoramic video; a second obtaining module 42, configured to obtain a corresponding relationship between a playing time point when the first terminal plays the panoramic video and the coordinate information; and a pushing module 43, configured to push the live data stream and the corresponding relationship to a second terminal, so that the second terminal plays the live data stream according to the corresponding relationship.
In a possible implementation manner, the second obtaining module 42 is configured to: and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the center coordinate.
In one possible implementation manner, the second obtaining module 42 includes: the pushing submodule is used for pushing the acquired live broadcast data stream of the panoramic video to the first terminal; and the obtaining submodule is used for obtaining the corresponding relation between the playing time point of the first terminal for playing the live data stream and the coordinate information.
In a possible implementation manner, the first obtaining module 41 is configured to: and acquiring a live broadcast data stream of the panoramic video from the first terminal.
In a possible implementation manner, the second obtaining module 42 is configured to: and acquiring a corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information under the condition that the coordinate information of the panoramic video played by the first terminal is changed.
In a possible implementation manner, the second obtaining module 42 is configured to: and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information at a preset frequency.
In this way, according to the live broadcast device of the panoramic video in the above embodiment of the present invention, the coordinate of the second terminal for watching the panoramic video can be kept synchronous with the first terminal, so that the user corresponding to the second terminal can easily understand the content of the commentary from the first terminal, and the experience of the user for watching the panoramic video can be improved.
Example 5
Fig. 5 is a block diagram illustrating a structure of a live device of a panoramic video according to another embodiment of the present invention. The apparatus shown in fig. 5 may be used to run the live method of panoramic video provided in embodiment 2. For convenience of explanation, only portions related to the embodiment of the present invention are shown in fig. 5.
As shown in fig. 5, the apparatus includes: an obtaining module 51, configured to obtain a corresponding relationship between a playing time point and coordinate information of a panoramic video in a process of playing the panoramic video; a sending module 52, configured to send the correspondence to a server.
In a possible implementation manner, the obtaining module 51 is configured to: and acquiring the corresponding relation between the playing time point and the center coordinate of the panoramic video.
In one possible implementation manner, the sending module 52 is configured to: and sending the live broadcast data stream of the panoramic video and the corresponding relation to a server.
In a possible implementation manner, the obtaining module 51 is configured to: in the process of playing a live broadcast data stream of a panoramic video from a server, acquiring a corresponding relation between a playing time point for playing the live broadcast data stream and coordinate information.
In a possible implementation manner, the obtaining module 51 is configured to: and under the condition that the coordinate information for playing the panoramic video is detected to change, acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information.
In a possible implementation manner, the obtaining module 51 is configured to: and acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information at a preset frequency.
In this way, according to the live broadcast device of the panoramic video in the embodiment of the present invention, the coordinates of the other terminal devices watching the panoramic video and the live broadcast device of the panoramic video can be kept synchronous, so that the users corresponding to the other terminal devices watching the panoramic video can easily understand the content of the commentary from the live broadcast device of the panoramic video, and the experience of the users watching the panoramic video can be improved.
Example 6
Fig. 6 is a block diagram illustrating a structure of a live device of a panoramic video according to another embodiment of the present invention. The apparatus shown in fig. 6 may be used to run the live method of panoramic video provided in embodiment 3. For convenience of explanation, only portions related to the embodiment of the present invention are shown in fig. 6.
As shown in fig. 6, the apparatus includes: the acquisition module 61 is configured to acquire a live data stream of a panoramic video from a server and a corresponding relationship between a playing time point of the panoramic video and coordinate information; and a playing module 62, configured to play the live data stream according to the corresponding relationship.
In a possible implementation manner, the obtaining module 61 is configured to: the method comprises the steps of obtaining a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point and a center coordinate of the panoramic video.
In one possible implementation manner, the playing module 62 is configured to: and when the central coordinate corresponding to the current playing time point is determined to change relative to the central coordinate corresponding to the previous playing time point according to the corresponding relation, moving the central coordinate corresponding to the previous playing time point to the central coordinate corresponding to the current playing time point according to a preset rule.
In this way, according to the live broadcast device of the panoramic video of the embodiment of the present invention, the coordinates of the panoramic video watched by the user and the corresponding relationship between the playing time point from the server and the coordinates can be synchronized, so that the user can easily understand the content of the commentary on the panoramic video, and the experience of the user watching the panoramic video can be improved.
Example 7
Fig. 7 shows a system architecture diagram of a live system of panoramic video according to another embodiment of the present invention. As shown in fig. 7, the system includes a server 71, a first terminal 72 (as a host) and a second terminal 73 (as a client), wherein the server 71 and the first terminal 72 are connected and communicated in a wireless or wired manner, and the server 71 and the second terminal 73 are connected and communicated in a wireless or wired manner. The server 71 may be configured to run the live method of the panoramic video shown in embodiment 1, and the structure of the server 71 may be as shown in fig. 4; the first terminal 72 may be configured to execute the live method of the panoramic video shown in embodiment 2, and the structure of the first terminal 72 may be as shown in fig. 5; the second terminal 73 may be used to execute the live method of the panoramic video shown in embodiment 3, and the structure of the second terminal 73 may be as shown in fig. 6.
In an exemplary application scenario, the first terminal may be a main broadcast terminal that provides a live data stream of a panoramic video, for example, the main broadcast terminal may capture the panoramic video in real time and provide a voice commentary, and at the same time, the main broadcast terminal may change a center coordinate of the panoramic video (i.e., change a viewing angle), the main broadcast terminal may obtain a correspondence between a playing time point and the center coordinate, and push the correspondence to a server together with live data stream of the panoramic video including the voice commentary, and the server may push the obtained live data stream and the correspondence to a second terminal, which may be a client. After the live broadcast player is opened, the client can receive a live broadcast list provided by the server, the client can select a certain live broadcast panoramic video from the live broadcast panoramic video and select a synchronous mode, so that the center coordinate is changed along with the change of the anchor terminal, the client can synchronously change the center coordinate according to the corresponding relation, the visual angle of the client synchronously follows the visual angle of the anchor terminal, the viewing visual angle of the client is completely matched with the voice commentary from the anchor terminal, and the user experience is improved.
According to the panoramic video live broadcast system, the coordinates of the panoramic video watched by the second terminal and the first terminal can be kept synchronous, so that a user corresponding to the second terminal can easily understand the explanation content from the first terminal, and the panoramic video watching experience of the user can be improved.
Example 8
Fig. 8 shows a block diagram of a live device of panoramic video according to another embodiment of the present invention. The live device 1100 of the panoramic video may be a host server with computing capability, a personal computer PC, or a portable computer or terminal that can be carried, or the like. The specific embodiments of the present invention do not limit the specific implementation of the compute node.
The live device 1100 of the panoramic video includes a processor (processor)1110, a communication Interface (Communications Interface)1120, a memory (memory)1130, and a bus 1140. The processor 1110, the communication interface 1120, and the memory 1130 communicate with each other via the bus 1140.
The communication interface 1120 is used to communicate with network devices, including, for example, virtual machine management centers, shared storage, and the like.
Processor 1110 is configured to execute programs. Processor 1110 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention.
The memory 1130 is used to store files. The memory 1130 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 1130 may also be a memory array. The storage 1130 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
In one possible embodiment, the program may be a program code including computer operation instructions. The procedure is particularly useful for: the operations of the steps in examples 1, 2 or 3 were carried out.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Those skilled in the art may select different ways to implement the described functionality for specific applications, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
If the described functionality is implemented in the form of computer software and sold or used as a stand-alone product, it is to some extent possible to consider all or part of the technical solution of the invention (for example, the part contributing to the prior art) to be embodied in the form of a computer software product. The computer software product is generally stored in a non-volatile storage medium readable by a computer and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the methods according to the embodiments of the present invention. The storage medium includes various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (30)
1. A live broadcasting method of panoramic video is characterized by comprising the following steps:
acquiring a live broadcast data stream of a panoramic video;
acquiring a corresponding relation between each playing time point and coordinate information of the panoramic video played by a first terminal, and acquiring additional content aiming at the panoramic video from the first terminal, wherein the first terminal is a main broadcasting terminal, the additional content is a text commentary and/or a voice commentary, and the additional content, the live data stream and the corresponding relation are based on the same time axis;
and pushing the live broadcast data stream, the additional content and the corresponding relation to a second terminal so that the second terminal plays the live broadcast data stream according to the corresponding relation, thereby enabling the viewing angle of the second terminal to synchronously change with the first terminal in each playing time point of the panoramic video, and enabling the second terminal to synchronously play the live broadcast data stream and the additional content, wherein the second terminal is any terminal except the main broadcast terminal in the terminals for watching the panoramic video.
2. The method according to claim 1, wherein obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information comprises:
and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the center coordinate.
3. The method according to claim 1, wherein obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information comprises:
pushing the obtained live broadcast data stream of the panoramic video to a first terminal;
and acquiring the corresponding relation between the playing time point of the first terminal playing the live data stream and the coordinate information.
4. The method of claim 1, wherein obtaining a live data stream of the panoramic video comprises:
and acquiring a live broadcast data stream of the panoramic video from the first terminal.
5. The method according to any one of claims 1 to 4, wherein obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information comprises:
and acquiring a corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information under the condition that the coordinate information of the panoramic video played by the first terminal is changed.
6. The method according to any one of claims 1 to 4, wherein obtaining a corresponding relationship between a playing time point of the panoramic video played by the first terminal and the coordinate information comprises:
and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information at a preset frequency.
7. A method for playing a panoramic video is applied to a first terminal, wherein the first terminal is a main broadcasting terminal, and the method comprises the following steps:
in the process of playing the panoramic video, acquiring the corresponding relation between each playing time point and coordinate information of the panoramic video;
sending the corresponding relation and the additional content of the first terminal aiming at the panoramic video to a server, wherein the additional content is a text commentary and/or a voice commentary, the additional content, the live data stream and the corresponding relation are based on the same time axis, the server is used for pushing the live data stream of the panoramic video, the additional content and the corresponding relation to a second terminal so that the second terminal plays the live data stream according to the corresponding relation, so that the viewing angle of the second terminal is synchronously changed with the first terminal in each playing time point of the panoramic video, and the second terminal synchronously plays the live data stream and the additional content, the second terminal is any one of the terminals for watching the panoramic video except the anchor terminal.
8. The method of claim 7, wherein obtaining a corresponding relationship between a playing time point for playing the panoramic video and the coordinate information comprises:
and acquiring the corresponding relation between the playing time point and the center coordinate of the panoramic video.
9. The method of claim 7, wherein sending the correspondence to a server comprises:
and sending the live broadcast data stream of the panoramic video and the corresponding relation to a server.
10. The method of claim 7, wherein obtaining a corresponding relationship between a playing time point of the panoramic video and the coordinate information during playing the panoramic video comprises:
in the process of playing a live broadcast data stream of a panoramic video from a server, acquiring a corresponding relation between a playing time point for playing the live broadcast data stream and coordinate information.
11. The method according to any one of claims 7 to 10, wherein obtaining a corresponding relationship between a playing time point of the panoramic video and the coordinate information comprises:
and under the condition that the coordinate information for playing the panoramic video is detected to change, acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information.
12. The method according to any one of claims 7 to 10, wherein obtaining a corresponding relationship between a playing time point of the panoramic video and the coordinate information comprises:
and acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information at a preset frequency.
13. A live broadcast method of panoramic video is applied to a second terminal, wherein the second terminal is any one of terminals for watching the panoramic video except for a main broadcast terminal, and the method comprises the following steps:
acquiring a live broadcast data stream of a panoramic video from a server, additional content for the panoramic video and corresponding relations between each playing time point of the panoramic video and coordinate information, wherein the corresponding relations and the additional content are sent to the server by a first terminal, the first terminal is a main broadcast end, the additional content is a text explanation and/or a voice explanation, and the additional content, the live broadcast data stream and the corresponding relations are based on the same time axis;
and playing the live broadcast data stream according to the corresponding relation so that the visual angle changes synchronously with the first terminal in each playing time point of the panoramic video, and synchronously playing the live broadcast data stream and the additional content.
14. The method of claim 13, wherein obtaining a live data stream of the panoramic video from a server and a corresponding relationship between a playing time point of the panoramic video and the coordinate information comprises:
the method comprises the steps of obtaining a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point and a center coordinate of the panoramic video.
15. The method of claim 14, wherein playing the live data stream according to the correspondence comprises:
and when the central coordinate corresponding to the current playing time point is determined to change relative to the central coordinate corresponding to the previous playing time point according to the corresponding relation, moving the central coordinate corresponding to the previous playing time point to the central coordinate corresponding to the current playing time point according to a preset rule.
16. A live device of panoramic video, comprising:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a live data stream of a panoramic video;
a second obtaining module, configured to obtain a corresponding relationship between each playing time point and coordinate information of the panoramic video played by a first terminal, and obtain additional content from the first terminal for the panoramic video, where the first terminal is a main broadcasting end, the additional content is a text commentary and/or a voice commentary, and the additional content, the live data stream, and the corresponding relationship are based on the same time axis;
and the pushing module is used for pushing the live data stream, the additional content and the corresponding relation to a second terminal so that the second terminal plays the live data stream according to the corresponding relation, so that the visual angle of each playing time point of the panoramic video played by the second terminal is synchronously changed with that of the first terminal, and the second terminal plays the live data stream and the additional content synchronously, wherein the second terminal is any terminal except the main playing terminal in the terminal for watching the panoramic video.
17. The apparatus of claim 16, wherein the second obtaining module is configured to:
and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the center coordinate.
18. The apparatus of claim 16, wherein the second obtaining module comprises:
the pushing submodule is used for pushing the acquired live broadcast data stream of the panoramic video to the first terminal;
and the obtaining submodule is used for obtaining the corresponding relation between the playing time point of the first terminal for playing the live data stream and the coordinate information.
19. The apparatus of claim 16, wherein the first obtaining module is configured to:
and acquiring a live broadcast data stream of the panoramic video from the first terminal.
20. The apparatus according to any one of claims 16 to 19, wherein the second obtaining module is configured to:
and acquiring a corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information under the condition that the coordinate information of the panoramic video played by the first terminal is changed.
21. The apparatus according to any one of claims 16 to 19, wherein the second obtaining module is configured to:
and acquiring the corresponding relation between the playing time point of the panoramic video played by the first terminal and the coordinate information at a preset frequency.
22. The utility model provides a live device of panoramic video, its characterized in that, the device is applied to in the first terminal, first terminal is the anchor end, the device includes:
the acquisition module is used for acquiring the corresponding relation between each playing time point and the coordinate information of the panoramic video in the process of playing the panoramic video;
a sending module, configured to send the correspondence and the additional content of the first terminal for the panoramic video to a server, wherein the additional content is a text commentary and/or a voice commentary, the additional content, the live data stream and the corresponding relation are based on the same time axis, the server is used for pushing the live data stream of the panoramic video, the additional content and the corresponding relation to a second terminal so that the second terminal plays the live data stream according to the corresponding relation, so that the viewing angle of the second terminal is synchronously changed with the first terminal in each playing time point of the panoramic video, and the second terminal synchronously plays the live data stream and the additional content, the second terminal is any one of the terminals for watching the panoramic video except the anchor terminal.
23. The apparatus of claim 22, wherein the obtaining module is configured to:
and acquiring the corresponding relation between the playing time point and the center coordinate of the panoramic video.
24. The apparatus of claim 22, wherein the sending module is configured to:
and sending the live broadcast data stream of the panoramic video and the corresponding relation to a server.
25. The apparatus of claim 22, wherein the obtaining module is configured to:
in the process of playing a live broadcast data stream of a panoramic video from a server, acquiring a corresponding relation between a playing time point for playing the live broadcast data stream and coordinate information.
26. The apparatus according to any one of claims 22 to 25, wherein the obtaining module is configured to:
and under the condition that the coordinate information for playing the panoramic video is detected to change, acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information.
27. The apparatus according to any one of claims 22 to 25, wherein the obtaining module is configured to:
and acquiring the corresponding relation between the playing time point for playing the panoramic video and the coordinate information at a preset frequency.
28. The utility model provides a live device of panoramic video, its characterized in that, the device is applied to in the second terminal, the second terminal is for watching any terminal except the anchor end in the terminal of panoramic video, the device includes:
an obtaining module, configured to obtain a live broadcast data stream of a panoramic video from a server, additional content for the panoramic video, and a correspondence between each playing time point of the panoramic video and coordinate information, where the correspondence and the additional content are sent to the server by a first terminal, the first terminal is a main broadcast end, the additional content is a text commentary and/or a voice commentary, and the additional content, the live broadcast data stream, and the correspondence are based on the same time axis;
and the playing module is used for playing the live broadcast data stream according to the corresponding relation, so that the visual angle changes synchronously with the first terminal in each playing time point of the panoramic video, and the live broadcast data stream and the additional content are played synchronously.
29. The apparatus of claim 28, wherein the obtaining module is configured to:
the method comprises the steps of obtaining a live broadcast data stream of a panoramic video from a server and a corresponding relation between a playing time point and a center coordinate of the panoramic video.
30. The apparatus of claim 28, wherein the playback module is configured to:
and when the central coordinate corresponding to the current playing time point is determined to change relative to the central coordinate corresponding to the previous playing time point according to the corresponding relation, moving the central coordinate corresponding to the previous playing time point to the central coordinate corresponding to the current playing time point according to a preset rule.
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| CN106686368A (en) * | 2016-12-26 | 2017-05-17 | 华为软件技术有限公司 | Device of virtual reality VR video playing and method for playing VR video |
| CN106791906B (en) * | 2016-12-31 | 2020-06-23 | 北京星辰美豆文化传播有限公司 | Multi-user network live broadcast method and device and electronic equipment thereof |
| CN106851378A (en) * | 2016-12-31 | 2017-06-13 | 天脉聚源（北京）科技有限公司 | The TV programme scene interactive method and apparatus promoted of stage property |
| CN106851417A (en) * | 2016-12-31 | 2017-06-13 | 天脉聚源（北京）科技有限公司 | The method and apparatus of information popularization in TV programme |
| CN107728787B (en) * | 2017-10-30 | 2020-07-07 | 太平洋未来科技（深圳）有限公司 | Information display method and device in panoramic video |
| CN110166764B (en) * | 2018-02-14 | 2022-03-01 | 阿里巴巴集团控股有限公司 | Visual angle synchronization method and device in virtual reality VR live broadcast |
| CN111225231B (en) * | 2020-02-25 | 2022-11-22 | 广州方硅信息技术有限公司 | Virtual gift display method, device, equipment and storage medium |
| CN115460447A (en) * | 2022-09-19 | 2022-12-09 | 上海昇瑭智能科技有限公司 | Method and system for synchronously playing videos by multiple terminals |
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