CN107172502B - Virtual reality video playing control method and device - Google Patents
Virtual reality video playing control method and device Download PDFInfo
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- CN107172502B CN107172502B CN201710297534.9A CN201710297534A CN107172502B CN 107172502 B CN107172502 B CN 107172502B CN 201710297534 A CN201710297534 A CN 201710297534A CN 107172502 B CN107172502 B CN 107172502B
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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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
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2743—Video hosting of uploaded data from client
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—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
Abstract
The invention discloses a virtual reality video playing control method, which comprises the following steps: in a virtual reality video playing mode, when the virtual reality video starts to be played, acquiring a view angle recording file; the visual angle recording file comprises visual angle information in the virtual reality video playing process; and controlling the virtual reality video to switch the visual angle according to the visual angle information according to the visual angle recording file. The invention also discloses a virtual reality video playing control device. The invention realizes the automatic switching of the visual angle in the virtual reality video, so that part of important information cannot be omitted in the process of watching the virtual reality video, the film watching experience of the user is improved, the creation potential of the user is increased, and the user behavior is activated.
Description
Technical Field
The invention relates to the technical field of video playing, in particular to a virtual reality video playing control method and device.
Background
The virtual reality video contains video contents of a plurality of visual angles and even a full visual angle, compared with the common video, the amount of information presented to a user is greatly increased, and because the user can randomly adjust the viewing angle and cannot see the contents which are not in the current viewing angle of the user, the user easily omits some important contents in the process of viewing the virtual reality video. In addition, in the playing process, no matter the playing is controlled by a gyroscope or a touch screen, a user needs to actively adjust the playing visual angle to see the contents in different directions, the visual angle cannot be automatically switched, and improvement is needed urgently.
Disclosure of Invention
The invention mainly aims to provide a virtual reality video playing control method and device, and aims to realize automatic switching of visual angles in a virtual reality video, so that a user cannot miss part of important information in the process of watching the virtual reality video.
In order to achieve the above object, the virtual reality video playing control method provided by the present invention comprises the following steps:
in a virtual reality video playing mode, when the virtual reality video starts to be played, acquiring a view angle recording file, wherein the view angle recording file comprises view angle information in the virtual reality video playing process;
and controlling the virtual reality video to switch the visual angle according to the visual angle information according to the visual angle recording file.
Preferably, the view angle information includes a playing progress of the virtual reality video and a view angle vector of a current view angle, and the view angle vector is used for recording and expressing direction information of the view angle.
Preferably, in a virtual reality video playing mode, when the virtual reality video starts playing, a view angle recording file is acquired, and before the step of acquiring the view angle recording file, the method further includes:
recording the visual angle information in the virtual reality video playing process in a virtual reality video recording mode, and generating the visual angle recording file according to the recorded visual angle information.
Preferably, in a recording mode of the view information of the virtual reality video, after the step of recording the view information in the process of playing the virtual reality video and generating the view recording file according to the recorded view information, the method further includes:
uploading the view recording file to a server;
the server is used for sharing the view recording file.
Preferably, the step of controlling the virtual reality video to perform view switching according to the view information according to the view recording file includes:
analyzing the view angle information in the virtual reality video playing process in the view angle recording file;
and when the virtual reality video is played to the playing progress in the visual angle recording file, controlling the playing visual angle to be switched to the direction appointed by the visual angle vector.
In addition, to achieve the above object, the present invention further provides a virtual reality video playback control apparatus including:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a visual angle recording file when a virtual reality video starts to play in a virtual reality video playing mode; the visual angle recording file comprises the visual angle information in the virtual reality video playing process;
and the control module is used for controlling the virtual reality video to switch the visual angle according to the visual angle information according to the visual angle recording file.
Preferably, the view angle information includes a playing progress of the virtual reality video and a view angle vector of a current view angle, and the view angle vector is used for recording and expressing direction information of the view angle.
Preferably, the obtaining module further comprises:
and the recording module is used for recording the visual angle information in the virtual reality video playing process in a virtual reality video recording mode and generating the visual angle recording file according to the recorded visual angle information.
Preferably, the recording module further comprises:
and the sharing module is used for uploading the visual angle recording file to a server.
Preferably, the control module comprises:
the analysis unit is used for analyzing the view angle information in the virtual reality video playing process in the view angle recording file;
and the control unit is used for controlling the playing visual angle to be switched to the direction appointed by the visual angle vector when the virtual reality video is played to the playing progress in the visual angle recording file.
According to the invention, the visual angle recording file is obtained, and the visual angle information in the visual angle recording file is analyzed, so that the automatic switching of the visual angle in the virtual reality video is realized, a part of important information cannot be omitted in the process of watching the virtual reality video by a user, the film watching experience of the user is improved, the creation potential of the user is increased, and the user behavior is activated.
Drawings
Fig. 1 is a schematic flowchart of a virtual reality video playing control method according to a first embodiment of the present invention;
fig. 2 is a schematic flowchart of a virtual reality video playing control method according to a second embodiment of the present invention;
fig. 3 is an exemplary view information diagram of a second embodiment of a virtual reality video playing control method according to the present invention;
fig. 4 is a diagram illustrating an example of a format of a view recording file in a second embodiment of a virtual reality video playing control method according to the present invention;
fig. 5 is a flowchart illustrating a virtual reality video playing control method according to a third embodiment of the present invention;
fig. 6 is a schematic flowchart of a virtual reality video playback control method according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a virtual reality video playback control apparatus according to a first embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a virtual reality video playback control apparatus according to a second embodiment of the present invention;
fig. 9 is a schematic structural diagram of a virtual reality video playback control apparatus according to a third embodiment of the present invention;
fig. 10 is a schematic detailed structure diagram of a control module in a fourth embodiment of the virtual reality video playback control apparatus according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a virtual reality video playing control method, and referring to fig. 1, in an embodiment, the virtual reality video playing control method includes:
step S10, in the virtual reality video playing mode, when the virtual reality video starts to play, a view angle recording file is obtained; the visual angle recording file comprises visual angle information in the virtual reality video playing process;
the virtual reality video playing control method provided by the invention is mainly applied to a virtual reality video playing system and is used for realizing automatic switching of visual angles in a virtual reality video, so that part of important information cannot be omitted in the process of watching the virtual reality video by a user, the film watching experience of the user is improved, the creation potential of the user is increased, and the user behavior is activated.
Specifically, accurate view angle information is required for realizing automatic switching of the view angles of the virtual reality videos, so that the virtual reality videos are automatically and accurately switched according to the specified view angle information. In this embodiment, in the virtual reality video playing mode, when the virtual reality video starts to be played, the view angle recording file needs to be acquired first, where the view angle recording file records all view angle information in the virtual reality video playing process, and these view angle information are used as a basis for implementing automatic switching of the view angle of the virtual reality video.
And step S20, controlling the virtual reality video to switch the visual angle according to the visual angle information according to the visual angle recording file.
Specifically, in a virtual reality video playing mode, when a virtual reality video starts to be played, a viewing angle recording file is acquired, and the virtual reality video is controlled to automatically switch the viewing angle according to all viewing angle information in the virtual reality video playing process in the viewing angle recording file.
It can be understood that the reason why the virtual reality video can be controlled to be automatically switched according to the specified viewing angle according to the viewing angle recording file is as follows: the visual angle recording file records visual angle information in the virtual reality video playing process. Under the virtual reality video playing mode, when the virtual reality video starts to play, the visual angle recording file is obtained, and the automatic switching of the virtual reality video visual angle can be realized by analyzing the visual angle information in the visual angle recording file.
According to the embodiment of the invention, the visual angle recording file is obtained, and the visual angle information in the visual angle recording file is analyzed, so that the automatic switching of the visual angle in the virtual reality video is realized, a part of important information cannot be omitted when a user watches the virtual reality video, the film watching experience of the user is improved, the creation potential of the user is increased, and the user behavior is activated.
Further, referring to fig. 2, a second embodiment of the virtual reality video playing control method according to the present invention is provided, and based on the first embodiment of the virtual reality video playing control method according to the present invention, before the step S10, the method further includes:
step S30, recording the visual angle information in the virtual reality video playing process in the virtual reality video recording mode, and generating the visual angle recording file according to the recorded visual angle information.
The visual angle information comprises the playing progress of the virtual reality video and a visual angle vector of a current visual angle, wherein the visual angle vector is used for recording and expressing the direction information of the visual angle. In this embodiment, the above-mentioned view angle information will be described in detail with reference to fig. 3 by taking the view angle vector as an example of the angle difference between the current view angle and the direction of the default view angle of the virtual reality video. Fig. 3 shows a coordinate system of a rectangular space, point O is a camera data capture point, a default play view angle is set as an x-axis as a reference, and a vector a1(2,3,1) and a vector a2(2, -1,3) show view angle directions of a virtual reality video play progress at times T1 and T2, respectively.
The format of the generated view record file may be that each record is horizontally arranged according to a time sequence, each record is separated by a space, or each record is vertically arranged according to a time sequence. In this embodiment, the format of the generated view record file is illustrated with reference to fig. 4, in which each record is arranged horizontally according to a view vector of a play progress, and the play progress and the view vector are separated by a space, such as 0:0:48(2,3, 1).
Specifically, in a recording mode of the view angle information of the virtual reality video, when the virtual reality video starts to be played, a view angle recording function is started, and the view angle vector coordinates at the moment of starting to be played are recorded. In the virtual reality video playing process, once the visual angle is adjusted, the current visual angle vector coordinates and the playing progress are recorded. After the playing is finished, generating a view angle recording file for each record in a vertically arranged format according to the time sequence, as shown in fig. 4, and recording the association relationship between the virtual reality video and the view angle recording file.
Further, in order to enable other users to obtain the view angle recording file of the virtual reality video and share the view angle recording file, referring to fig. 5, a third embodiment of the virtual reality video playing control method according to the present invention is provided, and based on the second embodiment of the virtual reality video playing control method according to the present invention, in the third embodiment of the virtual reality video playing control method, after step S30, the method further includes:
step S40, uploading the view angle record to a server; the server is used for sharing the view recording file.
Specifically, after the device locally generates the view recording file and records the association relationship between the view recording file and the virtual reality video, the system prompts uploading and sharing of the view recording file to the server. And uploading the generated visual angle recording file to a server by a user, sharing the visual angle recording file, and inputting the association relation between the visual angle recording file and the virtual reality video so that other users can acquire the visual angle recording file to realize the automatic switching of the visual angle of the virtual reality video.
Further, referring to fig. 6, a fourth embodiment of the virtual reality video playing control method according to the present invention is provided, and based on the first embodiment of the virtual reality video playing control method according to the present invention, in the fourth embodiment of the virtual reality video playing control method, the step S20 includes:
step S21, the visual angle information in the virtual reality video playing process in the visual angle recording file is analyzed;
and step S22, when the virtual reality video is played to the playing progress in the visual angle recording file, controlling the playing visual angle to be switched to the direction specified by the visual angle vector.
In the virtual reality video playing mode, the system displays a list of available view angle recording files which are stored locally in the equipment or shared on the server by the user for the user to select, downloads and loads the view angle recording files after the user selects the view angle recording files, and analyzes all view angle information in the virtual reality video playing process in the view angle recording files. When the virtual reality video is played initially, the virtual reality video is played according to the initial visual angle vector in the visual angle recording file, when the progress of visual angle switching is reached, the playing visual angle is adjusted according to the visual angle vector in the visual angle recording file, the playing visual angle is controlled to be switched to the direction appointed by the visual angle vector, and the automatic switching of the virtual reality video visual angle is achieved.
Referring to fig. 7, in an embodiment, the virtual reality video playing control apparatus provided by the present invention includes:
the system comprises an acquisition module 10, a display module and a display module, wherein the acquisition module is used for acquiring a visual angle recording file when a virtual reality video starts to play in a virtual reality video playing mode; the visual angle recording file comprises visual angle information in the virtual reality video playing process;
the virtual reality video playing control device provided by the invention is mainly applied to a virtual reality video playing system and is used for realizing automatic switching of visual angles in a virtual reality video, so that a user cannot miss part of important information in the process of watching the virtual reality video, the film watching experience of the user is improved, the creation potential of the user is increased, and the user behavior is activated.
Specifically, accurate view angle information is required for realizing automatic switching of the view angles of the virtual reality videos, so that the virtual reality videos are automatically and accurately switched according to the specified view angle information. In this embodiment, in the virtual reality video playing mode, when the virtual reality video starts to be played, the view angle recording file needs to be acquired first, where the view angle recording file records all view angle information in the virtual reality video playing process, and these view angle information are used as a basis for implementing automatic switching of the view angle of the virtual reality video.
And the control module S20 is configured to control, according to the view recording file, the virtual reality video to perform view switching according to the view information.
Specifically, in a virtual reality video playing mode, when a virtual reality video starts to be played, a viewing angle recording file is acquired, and the virtual reality video is controlled to automatically switch the viewing angle according to all viewing angle information in the virtual reality video playing process in the viewing angle recording file.
It can be understood that the reason why the virtual reality video can be controlled to be automatically switched according to the specified viewing angle according to the viewing angle recording file is as follows: the visual angle recording file records visual angle information in the virtual reality video playing process. Under the virtual reality video playing mode, when the virtual reality video starts to play, the visual angle recording file is obtained, and the automatic switching of the virtual reality video visual angle can be realized by analyzing the visual angle information in the visual angle recording file.
According to the embodiment of the invention, the visual angle recording file is obtained, and the visual angle information in the visual angle recording file is analyzed, so that the automatic switching of the visual angle in the virtual reality video is realized, a part of important information cannot be omitted when a user watches the virtual reality video, the film watching experience of the user is improved, the creation potential of the user is increased, and the user behavior is activated.
Further, referring to fig. 8, a second embodiment of the virtual reality video playing control device according to the present invention is provided, and based on the first embodiment of the virtual reality video playing control device according to the present invention, in the second embodiment of the virtual reality video playing control device, the obtaining module 10 further includes:
the recording module 30 is configured to record, in a virtual reality video viewing angle information recording mode, the viewing angle information during playing of the virtual reality video, and generate the viewing angle recording file according to the recorded viewing angle information.
The visual angle information comprises the playing progress of the virtual reality video and a visual angle vector of a current visual angle, wherein the visual angle vector is used for recording and expressing the direction information of the visual angle. In this embodiment, the above-mentioned view angle information will be described in detail with reference to fig. 3 by taking the view angle vector as an example of the angle difference between the current view angle and the direction of the default view angle of the virtual reality video. Fig. 3 shows a coordinate system of a rectangular space, point O is a camera data capture point, a default play view angle is set as an x-axis as a reference, and a vector a1(2,3,1) and a vector a2(2, -1,3) show view angle directions of a virtual reality video play progress at times T1 and T2, respectively.
The format of the generated view record file may be that each record is horizontally arranged according to a time sequence, each record is separated by a space, or each record is vertically arranged according to a time sequence. In this embodiment, the format of the generated view record file is illustrated with reference to fig. 4, in which each record is arranged horizontally according to a view vector of a play progress, and the play progress and the view vector are separated by a space, such as 0:0:48(2,3, 1).
Specifically, in a virtual reality video visual angle information recording mode, when a virtual reality video starts to be played, a visual angle recording function is started, visual angle vector coordinates at the moment of starting to be played are recorded, once a visual angle is adjusted in a virtual reality video playing process, current visual angle vector coordinates and a playing progress are recorded, after the playing is finished, a visual angle recording file is generated for each recording vertically arranged format according to time sequence, and an association relation between the virtual reality video and the visual angle recording file is recorded.
Further, in order to enable other users to obtain the view angle recording file of the virtual reality video and share the view angle recording file, referring to fig. 9, a third embodiment of the virtual reality video playing control device according to the present invention is provided, and based on the second embodiment of the virtual reality video playing control device according to the present invention, in the third embodiment of the virtual reality video playing control device, the recording module 30 further includes:
the sharing module 40 is configured to send the view record file to a server; the server is used for sharing the view recording file.
Specifically, after the device locally generates the view recording file and records the association relationship between the view recording file and the virtual reality video, the system prompts uploading and sharing of the view recording file to the server. And uploading the generated visual angle recording file to a server by a user, dividing the visual angle recording file, and inputting the incidence relation between the visual angle recording file and the virtual reality video so that other users can acquire the visual angle recording file to realize the automatic switching of the visual angle of the virtual reality video.
Further, referring to fig. 10, a fourth embodiment of the virtual reality video playback control apparatus according to the present invention is provided, and based on the first embodiment of the virtual reality video playback control apparatus according to the present invention, in the fourth embodiment of the virtual reality video playback control apparatus, the control module 20 includes:
the analyzing unit 21 is configured to analyze the view information in the virtual reality video playing process in the view record file;
and the control unit 22 is configured to control the playing view to be switched to the direction specified by the view vector when the virtual reality video is played to the playing progress in the view record file.
In the virtual reality video playing mode, the system displays a list of available view angle recording files which are stored locally in the equipment or shared on the server by the user for the user to select, downloads and loads the view angle recording files after the user selects the view angle recording files, and analyzes all view angle information in the virtual reality video playing process in the view angle recording files. When the virtual reality video is played initially, the virtual reality video is played according to the initial visual angle vector in the visual angle recording file, when the progress of visual angle switching is reached, the playing visual angle is adjusted according to the visual angle vector in the visual angle recording file, the playing visual angle is controlled to be switched to the direction appointed by the visual angle vector, and the automatic switching of the virtual reality video visual angle is achieved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A virtual reality video playing control method is characterized by comprising the following steps:
recording visual angle information when the visual angle is adjusted in the process of playing the virtual reality video in a virtual reality video recording mode, and arranging the visual angle information according to the time sequence to generate a visual angle recording file;
in a virtual reality video playing mode, when the virtual reality video starts to be played, acquiring a view angle recording file; the visual angle recording file comprises visual angle information in the virtual reality video playing process; the visual angle information comprises the playing progress of the virtual reality video and a visual angle vector of a current visual angle;
controlling the virtual reality video to switch the visual angle according to the visual angle information according to the visual angle recording file;
the step of controlling the virtual reality video to switch the view angle according to the view angle information according to the view angle recording file comprises the following steps:
analyzing the view angle information in the virtual reality video playing process in the view angle recording file;
and when the virtual reality video is played to the playing progress in the visual angle recording file, controlling the playing visual angle to be switched to the direction appointed by the visual angle vector.
2. The virtual reality video playback control method of claim 1, wherein the view vector is used to record and express direction information of a view.
3. The virtual reality video playback control method of claim 1, wherein after the step of recording the viewing angle information during playback of the virtual reality video in the virtual reality video recording mode, and generating a viewing angle recording file according to the recorded viewing angle information, the method further comprises:
uploading the view recording file to a server;
the server is used for sharing the view recording file.
4. A virtual reality video playback control apparatus, comprising:
the recording module is used for recording the visual angle information when the visual angle is adjusted in the process of playing the virtual reality video in the recording mode of the visual angle information of the virtual reality video, and arranging the visual angle information according to the time sequence to generate a visual angle recording file;
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a visual angle recording file when a virtual reality video starts to play in a virtual reality video playing mode; the visual angle recording file comprises visual angle information in the virtual reality video playing process; the visual angle information comprises the playing progress of the virtual reality video and a visual angle vector of a current visual angle;
the control module is used for controlling the virtual reality video to switch the visual angle according to the visual angle information according to the visual angle recording file;
the control module includes:
the analysis unit is used for analyzing the view angle information in the virtual reality video playing process in the view angle recording file;
and the control unit is used for controlling the playing visual angle to be switched to the direction appointed by the visual angle vector when the virtual reality video is played to the playing progress in the visual angle recording file.
5. The virtual reality video playback control apparatus of claim 4, wherein the view vector is used to record and express direction information of a view.
6. The virtual reality video playback control apparatus of claim 4, wherein the recording module is followed by further comprising:
the sharing module is used for uploading the visual angle recording file to a server;
the server is used for sharing the view recording file.
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| CN107786881A (en) * | 2017-09-28 | 2018-03-09 | 深圳晶恒数码科技有限公司 | A kind of method and apparatus for sharing VR video playback pictures |
| CN107635152A (en) * | 2017-09-28 | 2018-01-26 | 深圳晶恒数码科技有限公司 | A kind of method and device of shared VR videos |
| CN107959878A (en) * | 2017-11-15 | 2018-04-24 | 深圳岚锋创视网络科技有限公司 | A kind of panoramic video is recorded as the method, apparatus and portable terminal of ordinary video |
| US11257283B2 (en) | 2019-03-07 | 2022-02-22 | Alibaba Group Holding Limited | Image reconstruction method, system, device and computer-readable storage medium |
| CN111669569A (en) * | 2019-03-07 | 2020-09-15 | 阿里巴巴集团控股有限公司 | Video generation method and device, medium and terminal |
| CN114786061B (en) * | 2022-04-12 | 2023-08-22 | 杭州当虹科技股份有限公司 | Picture visual angle correction method based on VR equipment |
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| US8805158B2 (en) * | 2012-02-08 | 2014-08-12 | Nokia Corporation | Video viewing angle selection |
| CN106358036B (en) * | 2016-08-31 | 2018-05-08 | 杭州当虹科技有限公司 | A kind of method that virtual reality video is watched with default visual angle |
| CN106331732B (en) * | 2016-09-26 | 2019-11-12 | 北京疯景科技有限公司 | Generate, show the method and device of panorama content |
| CN106454401A (en) * | 2016-10-26 | 2017-02-22 | 乐视网信息技术（北京）股份有限公司 | Method and device for playing video |
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| EP3054692A1 (en) * | 2013-10-01 | 2016-08-10 | Dentsu Inc. | Multi-viewpoint moving image layout system |
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