CN106210856A - Internet video live broadcasting platform is watched the method and system of 3D panoramic video - Google Patents
Internet video live broadcasting platform is watched the method and system of 3D panoramic video Download PDFInfo
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- CN106210856A CN106210856A CN201610597369.4A CN201610597369A CN106210856A CN 106210856 A CN106210856 A CN 106210856A CN 201610597369 A CN201610597369 A CN 201610597369A CN 106210856 A CN106210856 A CN 106210856A
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- visual angle
- video
- panoramic video
- ball
- angle ball
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000000007 visual effect Effects 0.000 claims abstract description 95
- 230000008569 process Effects 0.000 claims description 8
- 238000009877 rendering Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 210000003128 head Anatomy 0.000 description 18
- 239000012467 final product Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/363—Image reproducers using image projection screens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
Abstract
The invention discloses a kind of method and system watching 3D panoramic video on internet video live broadcasting platform, relate to the displaying field of panoramic video.Steps of the method are: in the panorama player of terminal unit, create 3D model, the video data of yuv format is uploaded in 3D model, form the texture of panoramic video；In the panorama player of terminal unit, create three dimensional coordinate space, three dimensional coordinate space creates the 3D visual angle ball of 2 textures being mapped with panoramic video；In three dimensional coordinate space, add 3D photographic head, the taking lens of 3D photographic head is placed in the middle part of 3D visual angle ball；By the 3D visual angle ball of 2 textures being mapped with panoramic video, in the subregions such as 2 pieces of display window that averagely render to the panorama player of terminal unit.The user using the present invention can provide the panoramic video of 3D effect on internet video live broadcasting platform, and viewing scene is abundanter, better user experience.
Description
Technical field
(on the technology of 360 degree of panoramas, development extends to, and panoramic video can be in shooting to the present invention relates to panoramic video
About angle upper and lower 360 degree arbitrarily watch dynamic video, allow user have a kind of sensation the most on the spot in person) exhibition
Show field, be specifically related to a kind of method and system watching 3D panoramic video on internet video live broadcasting platform.
Background technology
When existing internet video live broadcasting platform carries out net cast, typically can gather the video of the photographic head that main broadcaster uses
Data, the terminal unit that will use to viewing user through network transmission after video data encoding, terminal unit is by video data
After being decoded as yuv data (color space data), directly render in the display window of terminal unit player.
But, along with the progress in epoch, outdoor live more and more, the live visual angle that user is provided by main broadcaster is seen
See outdoor live time, viewing scene more single, Consumer's Experience is poor.
Summary of the invention
For defect present in prior art, present invention solves the technical problem that into: on internet video live broadcasting platform
The panoramic video of 3D effect is provided；When the user using the present invention watches panoramic video, viewing scene is abundanter, Consumer's Experience
Preferably.
For reaching object above, the method watching 3D panoramic video on internet video live broadcasting platform that the present invention provides,
Comprise the following steps:
Step A, in the panorama player of terminal unit create 3D model, the video data of yuv format is uploaded to 3D
In model, form the texture of panoramic video；Three dimensional coordinate space is created, at three-dimensional coordinate in the panorama player of terminal unit
Space creates the 3D visual angle ball of 2 textures being mapped with panoramic video, after being overlapped by 2 3D visual angle balls, keeps 1 3D visual angle
The angle of ball is constant, rotates the angle of another 1 3D visual angle ball；Forward step B to；
Step B, in three dimensional coordinate space add 3D photographic head, the taking lens of 3D photographic head is placed in step B weight
The middle part of the 3D visual angle ball after conjunction, forwards step C to；
Step C, by 3D visual angle balls different in step B 2 visual angles, render to 2 pieces of display window of panorama player
Deng subregion, the corresponding 1 piece of region of each 3D visual angle ball.
What the present invention provided realizes the system watching 3D panoramic video on internet video live broadcasting platform of said method, bag
Include 3D visual angle ball creation module, 3D photographic head creation module and the display window rendering module being positioned in terminal unit；
3D visual angle ball creation module is used for: creates 3D model in panorama player, is uploaded by the video data of yuv format
To 3D model, form the texture of panoramic video；Three dimensional coordinate space is created, in three-dimensional in the panorama player of terminal unit
Coordinate space creates the 3D visual angle ball of 2 textures being mapped with panoramic video, after being overlapped by 2 3D visual angle balls, keeps 1 3D
The angle of visual angle ball is constant, rotates the angle of another 1 3D visual angle ball；
3D photographic head creation module is used for: add 3D photographic head in three dimensional coordinate space, by the shooting mirror of 3D photographic head
Head is placed in the middle part of the 3D visual angle ball after coincidence；
Display window rendering module is used for: by 3D visual angle balls different for 2 visual angles, render to the display window of panorama player
The subregions such as 2 pieces of mouth, the corresponding 1 piece of region of each 3D visual angle ball.
Compared with prior art, it is an advantage of the current invention that:
The video data of yuv format is formed the texture of panoramic video and is divided by the texture of panoramic video by the present invention in advance
Not mapping to 2 3D visual angle balls, the panorama that 3D visual angle balls different to 2 coincidences and visual angle finally renders to terminal unit is play
The display window of device, user watches 2 different 3D visual angle clubs in visual angle and forms 3D effect；Further, user is set by terminal
The standby visual angle controlling display window, gets final product the panoramic video of the 3D effect of 360 degree (the most upper and lower) viewing display window.
In view of this, compared with the net cast picture single with viewing scene in prior art, the user of the present invention is used
Can control visual angle by terminal unit and watch the panoramic video of 3D effect, not only viewing scene is abundanter, and user
Experience preferably.
Accompanying drawing explanation
Fig. 1 is the flow process of the method watching 3D panoramic video on internet video live broadcasting platform in the embodiment of the present invention
Figure.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The method watching 3D panoramic video on internet video live broadcasting platform shown in Figure 1, in the embodiment of the present invention,
Comprise the following steps:
S1: encoded by the panoramic video that panorama camera shoots, is transmitted through the network to coded data watch user
The terminal unit used；Panorama camera includes that former and later two fish eye lenses form, 360 degree of fields upper and lower before and after can gathering camera
Scape.At present panorama camera has been enter into the consumer market of main flow, in addition to domestic substantial amounts of fixed point production firm, Samsung, LG,
The brand manufacturers such as Nokia, Ricoh has issued up-to-date product the most accordingly, forwards S2 to.
Coded data is decoded as the video data of yuv format in units of frame by S2: terminal unit by decoder, turns
To S3.
S3: create 3D model in the panorama player of terminal unit, by underlying graphics storehouse instrument regarding yuv format
Frequency, according to being uploaded in 3D model, forms the texture (i.e. 3D picture) of panoramic video；The panorama player of terminal unit is created
Build three dimensional coordinate space, three dimensional coordinate space creates the 3D visual angle ball of 2 textures being mapped with panoramic video, forwards S4 to.
The flow process of the 3D visual angle ball creating the single texture being mapped with panoramic video in S3 is: pre-establish 3D visual angle ball
Apex coordinate, the texture coordinate of panoramic video and the index on summit；Texture coordinate map panoramic video according to panoramic video
After texture, draw 3D visual angle ball according to the index on apex coordinate, the texture coordinate of panoramic video and summit.
S4: after being overlapped by 2 3D visual angle balls, the angle keeping 1 3D visual angle ball is constant, rotates another 1 3D visual angle ball
Angle, in order to the later stage passes through 2 different 3D visual angle balls in visual angle and forms 3D effect；The present embodiment rotates another 1 3D visual angle ball
The flow process of angle be: 3D visual angle ball is rotated 0.1～2.3 ° along its vertical centrage, forwards S5 to.
S5: adding 3D photographic head in three dimensional coordinate space, the 3D after the taking lens of 3D photographic head is placed in coincidence regards
In the middle part of corner-kick；Its reason is: after creating the 3D visual angle ball of the texture being mapped with panoramic video, if three-dimensional viewport is arranged
The most right, then cannot watch panoramic video；In view of this, needing, viewing matrix is set the taking lens of 3D photographic head is placed in 3D
The middle part of visual angle ball.As a example by OpenGL, can be by the taking lens of gluLookAt function setup 3D photographic head at three-dimensional coordinate
Position in space；For angle with viewing user, can be the eyes of user as 3D photographic head, the shooting mirror of 3D photographic head
The position of head is exactly the position of eyes of user, and the object of taking lens alignment i.e. user's glasses object to be seen (i.e. map
Veined 3D visual angle ball), taking lens upwardly direction be exactly the user crown towards direction, forward S6 to.
S6: the display window (i.e. broadcasting pictures) of panorama player is divided into 2 pieces of regions by underlying graphics storehouse instrument
(left and right or upper and lower), respectively renders to 3D visual angle balls different for 2 visual angles in S4 in 1 piece of region.Now viewing user is led to
Cross terminal unit and can watch 2 different 3D visual angle balls in visual angle simultaneously, form 3D effect with this；Further, viewing user passes through
Terminal unit controls the visual angle of display window, gets final product the panoramic video of 3D effect of 360 degree (the most upper and lower) viewing display window:
(1), when terminal unit is PC end, keyboard, mouse or VR (Virtual Reality, virtual reality technology) can be passed through
Wearable device controls the visual angle of display window；
(2), when terminal unit is mobile terminal, gesture, gyroscope or VR wearable device can be passed through and control regarding of display window
Angle.
In the present embodiment, the underlying graphics storehouse instrument of S3 can use any one in following 2 kinds:
(1) OpenGL ES:OpenGL 3-D graphic API (Application Programming Interface, application
Program Interfaces) subset, OpenGL (Open Graphics Library) is to define one across programming language, across flat
The graphic package interface of the specialty of the DLL specification of platform；OpenGL, for 3-D graphic (two dimensional image also can), be one
Powerful, call convenient underlying graphics storehouse.
(2) the Multimedia Programming interface that DirectX: Microsoft creates.It is mainly used in windows platform, can be used for three-dimensional
Figure (two dimensional image also can), be one powerful, call convenient underlying graphics storehouse.
In S3, the formulating method of the index on the apex coordinate of 3D visual angle ball, the texture coordinate of panoramic video and summit is permissible
For:
What the embodiment of the present invention provided realize said method on internet video live broadcasting platform, watch 3D panoramic video
System, the video encoding module including the video encoding module coordinated with panorama camera and being positioned in terminal unit, 3D visual angle
Ball creation module, 3D photographic head creation module and display window rendering module.
Video encoding module is used for: encoded by the panoramic video that panorama camera shoots, by coded data transmission to seeing
See the Video decoding module of the terminal unit that user uses.
Video decoding module is used for: coded data is decoded as the video data of yuv format in units of frame.
3D visual angle ball creation module is used for: creates 3D model in panorama player, is uploaded by the video data of yuv format
To 3D model, form the texture of panoramic video；Three dimensional coordinate space is created, in three-dimensional in the panorama player of terminal unit
Coordinate space creates the 3D visual angle ball of 2 textures being mapped with panoramic video, after being overlapped by 2 3D visual angle balls, keeps 1 3D
The angle of visual angle ball is constant, rotate another 1 3D visual angle ball angle (by 3D visual angle ball along its vertical centrage rotate 0.1～
2.3°)。
3D visual angle ball creation module creates the specific works flow process of the 3D visual angle ball of the single texture being mapped with panoramic video
For: pre-establish apex coordinate and the texture coordinate of panoramic video of 3D visual angle ball；Texture coordinate map according to panoramic video
After the texture of panoramic video, draw 3D visual angle ball according to the texture coordinate of apex coordinate and panoramic video.
3D photographic head creation module is used for: add 3D photographic head in three dimensional coordinate space, by the shooting mirror of 3D photographic head
Head is placed in the middle part of the 3D visual angle ball after coincidence；
Display window rendering module is used for: by 3D visual angle balls different for 2 visual angles, render to the display window of panorama player
The subregions such as 2 pieces of mouth, the corresponding 1 piece of region of each 3D visual angle ball.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, without departing from
On the premise of the principle of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. the method watching 3D panoramic video on internet video live broadcasting platform, it is characterised in that the method includes following
Step:
Step A, in the panorama player of terminal unit create 3D model, the video data of yuv format is uploaded to 3D model
In, form the texture of panoramic video；Three dimensional coordinate space is created, at three dimensional coordinate space in the panorama player of terminal unit
The 3D visual angle ball of middle 2 textures being mapped with panoramic video of establishment, after being overlapped by 2 3D visual angle balls, keeps 1 3D visual angle ball
Angle is constant, rotates the angle of another 1 3D visual angle ball；Forward step B to；
Step B, in three dimensional coordinate space add 3D photographic head, the taking lens of 3D photographic head is placed in step B coincidence after
The middle part of 3D visual angle ball, forward step C to；
Step C, by 3D visual angle balls different in step B 2 visual angles, render to 2 pieces of deciles of the display window of panorama player
Region, the corresponding 1 piece of region of each 3D visual angle ball.
2. the method watching 3D panoramic video on internet video live broadcasting platform as claimed in claim 1, it is characterised in that: step
The flow process of the 3D visual angle ball creating the single texture being mapped with panoramic video in rapid A is: the summit pre-establishing 3D visual angle ball is sat
Mark and the texture coordinate of panoramic video；After the texture of the texture coordinate map panoramic video according to panoramic video, sit according to summit
The texture coordinate of mark and panoramic video draws 3D visual angle ball.
3. the method watching 3D panoramic video on internet video live broadcasting platform as claimed in claim 1, it is characterised in that: step
Described in rapid A, the video data of yuv format generates according to below scheme: encoded by the panoramic video that panorama camera shoots,
By coded data transmission to terminal unit；Coded data is decoded as the video counts of the yuv format in units of frame by terminal unit
According to.
4. the method watching 3D panoramic video on internet video live broadcasting platform as described in any one of claims 1 to 3, it is special
Levy and be: the flow process of the angle rotating another 1 3D visual angle ball described in step A is: 3D visual angle ball is revolved along its vertical centrage
Turn 0.1～2.3 °.
5. the viewing 3D panoramic video on internet video live broadcasting platform realizing method described in any one of Claims 1-4
System, it is characterised in that: this system includes 3D visual angle ball creation module, the 3D photographic head creation module being positioned in terminal unit
With display window rendering module；
3D visual angle ball creation module is used for: create 3D model in panorama player, the video data of yuv format is uploaded to 3D
In model, form the texture of panoramic video；Three dimensional coordinate space is created, at three-dimensional coordinate in the panorama player of terminal unit
Space creates the 3D visual angle ball of 2 textures being mapped with panoramic video, after being overlapped by 2 3D visual angle balls, keeps 1 3D visual angle
The angle of ball is constant, rotates the angle of another 1 3D visual angle ball；
3D photographic head creation module is used for: adds 3D photographic head in three dimensional coordinate space, is put by the taking lens of 3D photographic head
The middle part of the 3D visual angle ball after overlapping；
Display window rendering module is used for: by 3D visual angle balls different for 2 visual angles, render to the display window of panorama player
The subregions such as 2 pieces, the corresponding 1 piece of region of each 3D visual angle ball.
6. the system watching 3D panoramic video on internet video live broadcasting platform as claimed in claim 5, it is characterised in that: institute
The specific works flow process stating the 3D visual angle ball that 3D visual angle ball creation module creates the single texture being mapped with panoramic video is: in advance
Formulate apex coordinate and the texture coordinate of panoramic video of 3D visual angle ball；Texture coordinate map panoramic video according to panoramic video
Texture after, draw 3D visual angle ball according to the texture coordinate of apex coordinate and panoramic video.
7. the system watching 3D panoramic video on internet video live broadcasting platform as claimed in claim 5, it is characterised in that: should
System also includes the video encoding module coordinated with panorama camera and the Video decoding module being positioned in terminal unit；
Video encoding module is used for: is encoded by the panoramic video that panorama camera shoots, is set to terminal by coded data transmission
Standby Video decoding module；
Video decoding module is used for: coded data is decoded as the video data of yuv format in units of frame.
8. the system watching 3D panoramic video on internet video live broadcasting platform as described in any one of claim 5 to 7, it is special
Levy and be: the specific works flow process of the angle that described 3D visual angle ball creation module rotates another 1 3D visual angle ball is: by 3D visual angle ball
0.1～2.3 ° is rotated along its vertical centrage.
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| WO2018174542A1 (en) * | 2017-03-21 | 2018-09-27 | 주식회사 케이티 | Video signal processing method and device |
| CN109120977A (en) * | 2017-06-22 | 2019-01-01 | 武汉斗鱼网络科技有限公司 | Methods of exhibiting, storage medium, electronic equipment and the system of live video |
| CN111031327A (en) * | 2019-11-06 | 2020-04-17 | 石家庄微泽科技有限公司 | Panoramic playing method |
| CN111200750A (en) * | 2018-11-16 | 2020-05-26 | 北京字节跳动网络技术有限公司 | Multi-window playing method and device of panoramic video, electronic equipment and storage medium |
| CN111954054A (en) * | 2020-06-05 | 2020-11-17 | 筑觉绘(上海)科技有限公司 | Image processing method, system, storage medium and computer device |
| WO2021147749A1 (en) * | 2020-01-20 | 2021-07-29 | 北京芯海视界三维科技有限公司 | Method and apparatus for realizing 3d display, and 3d display system |
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| Publication number | Publication date |
|---|---|
| CN106210856B (en) | 2019-06-18 |
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