CN106028115A - Video playing method and device - Google Patents
Video playing method and device Download PDFInfo
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- CN106028115A CN106028115A CN201610330687.4A CN201610330687A CN106028115A CN 106028115 A CN106028115 A CN 106028115A CN 201610330687 A CN201610330687 A CN 201610330687A CN 106028115 A CN106028115 A CN 106028115A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000000007 visual effect Effects 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims description 41
- 230000004044 response Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/08—Projecting images onto non-planar surfaces, e.g. geodetic 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4438—Window management, e.g. event handling following interaction with the user interface
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention discloses a video playing method and device. The video playing method comprises the following steps: obtaining a current playing visual angle by responding to operation instructions of entering a panoramic video application program; determining planar playing frames of a display screen in a spatial projection area corresponding to a panoramic video sphere model according to the current playing visual angle, wherein a connecting line between a central point of each planar playing frame and a sphere center of the sphere model is respectively vertical to each planar playing frame, and the sum of the planar playing frames is equal to the number of video channels; and respectively playing corresponding videos in the planar playing frames according to video data of the video channels corresponding to the planar playing frames. According to the video playing method and device disclosed by the embodiment of the invention, based on panoramic video technologies, the videos can be respectively played in the planar playing frames by determining the plurality of planar playing frames of the display screen in the spatial projection area corresponding to the panoramic video sphere model so as to ensure that multi-channel videos can be simultaneously played under a panoramic environment.
Description
Technical field
The present invention relates to multimedia technology field, particularly relate to a kind of video broadcasting method and device.
Background technology
In present stage, when multi-channel video channel or multiple video content will be pushed to user, typically simultaneously
Using the window simultaneously showing multiple video channel in 2D plane space, corresponding frequency placed by each window
The preview picture in road or play the video content of this channel, then user can be by selecting different windows
Realize selecting different channels.
Along with appearance and the fast development of panoramic technique, the panorama environment that panoramic technique is created, it is possible to
Spatial domain is supplied to 360 ° of new experiences without dead angle of user, and it can provide virtual 3D environment.Panorama
In video, the video positive direction of acquiescence is positioned at video middle, and player is given tacit consent to when playing panoramic video
Rise broadcast visual angle point to above-mentioned positive direction.Then, user can be slided by finger or the rotation of people and
Change the visual angle of video playback, improve the interactive experience of user.
Currently, it is already present in panorama environment adding multiple window, places video preview figure in the window
Sheet or poster, as long as user chooses this window, can enter the broadcast interface of video.But, due to
Provide only static images, cause user cannot be directly acquainted with the true content of video, unless user directly enters
Enter this channel.So, a road video can only just be play in panorama environment.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of video broadcasting method and device, complete to realize
Play while multi-channel video under scape environment.
Based on above-mentioned purpose, the video broadcasting method that the embodiment of the present invention provides includes:
In response to the operational order of entrance panoramic video application program, obtain currently playing visual angle；
According to described currently playing visual angle, determine that display screen corresponds to panoramic video spherical model space projection
Plane in region plays frame, and wherein, each described plane plays the central point of frame and the centre of sphere of spherical model
Line be respectively perpendicular to respective plane and play frame, described plane plays summation and the video channel of frame
Number is identical；
The video data of video channel corresponding to frame is play, in described plane plays frame according to described plane
Play corresponding video respectively.
In some embodiments of the invention, the central point of described plane broadcasting frame is positioned at the sphere of spherical model
Go up or within the sphere of spherical model or outside the sphere of spherical model.
In some embodiments of the invention, described plane plays the flat shape of frame is rectangle.
In some embodiments of the invention, described plane plays frame and video channel one_to_one corresponding, each
Plane plays the frame broadcasting thread corresponding to a video channel, one video frequency of each broadcasting thread process
The video data in road；
Video data in described video channel is stored in video data server, and real-time update.
In some embodiments of the invention, described video broadcasting method also includes:
Receive triggering command and/or the attitudes vibration data of terminal of user；
According to described triggering command and/or attitudes vibration data, and changing coordinates based on described display screen,
It is calculated the new coordinate of described display screen；
New coordinate based on described display screen determines that the plane in view field plays frame, and according to institute
State plane and play the video data of video channel corresponding to frame, in described plane plays frame, play phase respectively
The video answered.
It is in some embodiments of the invention, described according to described triggering command and/or attitudes vibration data,
And changing coordinates of based on described display screen, it is calculated the step of the new coordinate of described display screen
Including:
According to described triggering command and/or attitudes vibration data, it is calculated the change in location number of display screen
According to angle delta data；
According to described change in location data and angle delta data, and current seat based on described display screen
Mark, is calculated the new coordinate of described display screen.
The present invention also provides for a kind of device realizing above-mentioned video broadcasting method, including:
Acquisition module, for the operational order in response to entrance panoramic video application program, obtains and currently broadcasts
Put visual angle；
Broadcasting determines module, for according to described currently playing visual angle, determines that display screen corresponds to panorama
Plane in video spherical model space projection region plays frame, and wherein, each described plane is play in frame
Heart point is respectively perpendicular to respective plane broadcasting frame with the line of the centre of sphere of spherical model, and described plane plays frame
Summation identical with video channel number；
Playing module, plays the video data of video channel corresponding to frame according to described plane, described flat
Face is play in frame and is play corresponding video respectively.
In some embodiments of the invention, the central point of described plane broadcasting frame is positioned at the sphere of spherical model
Go up or within the sphere of spherical model or outside the sphere of spherical model.
In some embodiments of the invention, described plane plays the flat shape of frame is rectangle.
In some embodiments of the invention, described plane plays frame and video channel one_to_one corresponding, each
Plane plays the frame broadcasting thread corresponding to a video channel, one video frequency of each broadcasting thread process
The video data in road；
Video data in described video channel is stored in video data server, and real-time update.
In some embodiments of the invention, described video play device also includes:
Receiver module, for receiving the triggering command of user and/or the attitudes vibration data of terminal；
Computing module, is used for according to described triggering command and/or attitudes vibration data, and based on described display
The changing coordinates of screen, is calculated the new coordinate of described display screen；
For new coordinate based on described display screen, more new module, determines that the plane in view field is broadcast
Put frame, and play the video data of video channel corresponding to frame according to described plane, play in described plane
Frame is play corresponding video respectively.
In some embodiments of the invention, described computing module includes:
Data variation module, for according to described triggering command and/or attitudes vibration data, is calculated aobvious
The change in location data of display screen curtain and angle delta data；
Coordinate calculation module, is used for according to described change in location data and angle delta data, and based on institute
State the changing coordinates of display screen, be calculated the new coordinate of described display screen.
From the above it can be seen that the video broadcasting method of embodiment of the present invention offer and device are based on entirely
Scape video technique, is determined by display screen corresponding to many in panoramic video spherical model space projection region
Individual plane plays frame, makes video play respectively in described plane plays frame, many to realize under panorama environment
Play while the video of road.Multi-channel video also produces the 3dization effect of similar panoramic video simultaneously, decreases
Picture distorts.And, video broadcasting method and device that the embodiment of the present invention provides can also be by triggering
Instruction or change the attitude of terminal and be changed the angle of view on display screen, makes to redefine
It is positioned in the plane broadcasting frame of view field and plays corresponding video respectively, thus improve user further
Interactive experience.
Accompanying drawing explanation
Fig. 1 is the projection theory figure of panoramic video；
Fig. 2 is the schematic flow sheet of the video broadcasting method of one embodiment of the invention；
Fig. 3 is that the plane that creates in the spherical model space of panoramic video of the embodiment of the present invention plays showing of frame
It is intended to；
Fig. 4 is the schematic flow sheet of the video broadcasting method of another embodiment of the present invention；
Fig. 5 is the structural representation of the video play device of one embodiment of the invention；
Fig. 6 is the structural representation of the video play device of another embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with being embodied as
Example, and referring to the drawings, the present invention is described in more detail.
Panoramic video is affixed on spherical model, forms panorama environment, be similar to tellurion, as it is shown in figure 1,
It is the projection theory figure of panoramic video, and user (i.e. the position of human eye) is then positioned at the centre of sphere of spherical model,
Image projection surface, as display screen, is positioned at the land portions in image projection surface rectangular pyramid region below
Can project on this image projection surface, image projection surface is then used for showing this spherical calotte.But, at present
User can only watch multiple static images or a road video under panorama environment, it practice, user is more
Want to directly play video content in picture display window, then user just can not enter a certain
Individual channel and the content of the direct multiple channel of preview.Thus, the embodiment of the present invention proposes a kind of at panorama ring
The method and apparatus simultaneously playing multi-channel video under border.
With reference to shown in Fig. 2, it is the schematic flow sheet of video broadcasting method of the embodiment of the present invention, as
One embodiment of the present of invention, described video broadcasting method includes:
Step 101, in response to the operational order of entrance panoramic video application program, obtains currently playing regarding
Angle.
In this step, enter the operational order of panoramic video application program in response to user, obtain display
The currently playing visual angle of screen, now user only enters the homepage of panoramic video application program, and
It not to enter in a certain single video channel.It is said that in general, in panoramic video, the video of acquiescence rises to be broadcast
Visual angle point to video middle, then, user can be slided by finger or the rotation of people and change and regard
The broadcasting visual angle of frequency, improves the interactive experience of user.And, in this step, also can call establishment and exist
Plane in the spherical model space of panoramic video plays frame.
Step 102, according to described currently playing visual angle, determines that display screen corresponds to panoramic video ball mould
Plane in type space projection region plays frame, and wherein, each described plane plays central point and the ball of frame
The line of the centre of sphere of model be respectively perpendicular to respective plane play frame, described plane play frame summation with
Video channel number is identical.
As it is shown on figure 3, the establishment plane in the spherical model space of panoramic video that it is the embodiment of the present invention
Play the schematic diagram of frame.From figure 3, it can be seen that need in advance on the basis of Fig. 1 (i.e. at panorama
In video spherical model) create at least one plane broadcasting frame, this plane plays frame for playing panoramic video.
It should be noted that it is plane that described plane plays frame, non-curved, it is different from sphere.Therefore, described
Plane is play frame and is pre-created in panoramic video application program, when in response to entering panoramic video application journey
During the operational order of sequence (performing step 1), call the plane in panoramic video spherical model and play frame.
Specifically, can first determine that this plane plays the center position of frame, this plane plays the establishment of frame
Position is determined by this central point, then is perpendicular to plane broadcasting by the line of central point Yu the centre of sphere of spherical model
Frame determines that plane plays frame position in spherical model.For example, it is possible to plane to be play the central point position of frame
On the sphere of spherical model, it is also possible within plane is play the sphere that the central point of frame is positioned at spherical model,
Plane can also be play outside the sphere that the central point of frame is positioned at spherical model.I.e. plane broadcasting frame can be created
It is built in the optional position in the spherical model space of panoramic video.
In a preferred embodiment of the present invention, as it is shown on figure 3, described plane plays the central point of frame
The line being perpendicular to this plane broadcasting frame, i.e. central point and the centre of sphere with the line of the centre of sphere of spherical model need to be at this
Plane is play on the normal vector of frame, to avoid video to occur distortion on the display screen.If establishment has multiple
Plane plays frame, and the line of central point and the centre of sphere of spherical model that the most described each plane plays frame hangs down respectively
Directly play frame in respective plane, then even if this plane is play frame and is positioned at the Liang Jichu of spherical model, often
The video content play on individual plane broadcasting frame is all without producing Severe distortion, to ensure that the viewing of user is imitated
Really.
Preferably, it is rectangle that described plane plays the flat shape of frame, and correspondingly, described plane plays frame
It is this rectangle plane and plays the central point of frame.It is further preferable that this rectangle plane plays the central point of frame
It is perpendicular to this rectangle plane with the line of the centre of sphere of spherical model and plays frame.It should be noted that described rectangle
Setting that plane plays the width of frame and height can depend on actual need.For example, it is possible to aobvious with video playback apparatus
The ratio of width to height of display screen curtain keeps consistent.Preferably, rectangle plane plays the ratio of width to height of frame is 16:9.And,
It can be one or more than the natural number of that described plane plays the quantity of frame, such as two, three,
Five, eight etc..Furthermore, it is also possible to create at the diverse location of spherical model according to the use habit of user
Build multiple plane and play frame, so that display screen can correspond to plane under multi-angle and play frame.
Frame is play about the plane determined in view field, as it is shown on figure 3, display screen (image projection
Face) central point and spherical model the centre of sphere line need on the normal vector of this display screen, away from
Display screen is projected by the direction of the centre of sphere, i.e. obtains being positioned at display screen view field below.So
After, in conjunction with spherical coordinate system, determine which plane is play frame and is positioned at this view field, so that it is determined that need
The plane playing video plays frame.
In yet another embodiment of the present invention, described display screen corresponds to panoramic video spherical model space
Plane in view field is play frame and is referred to that plane is play frame and is fully located in view field.The present invention's
In another embodiment, described display screen is corresponding to putting down in panoramic video spherical model space projection region
Face is play frame and is referred to that plane plays the remaining at least partially within view field of frame.The area of this part can
To pre-set area threshold, when the area of the plane broadcasting frame being positioned at view field exceedes area threshold,
It is considered as this plane broadcasting frame and is positioned at the view field of display screen.It is preferably located at described view field
The quantity that interior plane plays frame is preferably plurality of.Therefore, this step view field by display screen
Determine that multiple planes of video to be loaded play frame, then the most just can show these planes
Play the video of frame, thus solve the problem that can not simultaneously watch multi-channel video.
As another embodiment of the present invention, described plane plays summation and the video channel number phase of frame
With, and described plane plays frame and video channel one_to_one corresponding, and each plane plays frame corresponding to one
The broadcasting thread of video channel, the video data of the most each one video channel of broadcasting thread process, therefore,
The video of each video channel is play on a plane and is play on frame, thus realizes multichannel under panorama environment
Play while video.
Step 103, plays the video data of video channel corresponding to frame according to described plane, described flat
Face is play in frame and is play corresponding video respectively.
As one embodiment of the present of invention, the video channel that each plane plays frame corresponding can set in advance
Put and store, when determining that described display screen corresponds to putting down in panoramic video spherical model space projection region
After frame is play in face, obtain described plane and play the video data of video channel corresponding to frame, in described plane
Play in frame and play corresponding video respectively.It is preferred that described video data can be terminal in real time from
The up-to-date video data obtained in video data server, such as, take to video data every the time of setting
Business device send video playback request, and with this video data received update before video data, with
It is all up-to-date for making the video content being pushed to user.
As an alternative embodiment of the invention, after the plane called in panoramic video spherical model plays frame,
Can first obtain all planes in panoramic video spherical model and play the video data of video channel corresponding to frame,
After described display screen to be determined plays frame corresponding to the plane in panoramic video spherical model space projection region,
Corresponding video is play respectively in described plane plays frame.In this embodiment, described video data is
The video data obtained from video data server before commencing play out video, afterwards in playing process
Can no longer carry out data renewal.
Preferably, the video data in described video channel is stored in video data server, and described
Video data can carry out real-time update according to setting.For example, it is possible to update video playback according to hot topic degree
List, or play record renewal video play lists according to the history of user, or according to currently playing
Time updates video play lists etc..Owing to each channel plays frame corresponding to a plane, and it is positioned at
It is multiple that plane in described view field plays the quantity of frame, so that user can watch many simultaneously
The video content that individual channel is corresponding, significantly improves the interactive experience of user.
Below by way of a preferred embodiment, the method for the basis that the present invention provides is described in further detail,
As shown in Figure 4, it is that the schematic flow sheet of video broadcasting method of another embodiment of the present invention is in this reality
Executing in example, step 101, step 102 and step 103 are same as the previously described embodiments, at above-described embodiment
On the basis of, described video broadcasting method may include that
Step 201, in response to the operational order of entrance panoramic video application program, obtains currently playing regarding
Angle.
Step 202, according to currently playing visual angle, determines that display screen corresponds to panoramic video spherical model empty
Between plane in view field play frame, wherein, each described plane plays central point and the spherical model of frame
The line of the centre of sphere be respectively perpendicular to respective plane and play frame, described plane plays summation and the video of frame
Channel number is identical.
Step 203, plays the video data of video channel corresponding to frame according to described plane, described flat
Face is play in frame and is play corresponding video respectively.
Step 204, receives triggering command and/or the attitudes vibration data of terminal of user.
In this step, user can pass through triggering command (such as, with one or more fingers in terminal
Touch screen enterprising line slip operation or the operation such as point touching screen) or change the attitude of terminal (such as,
Tilt, move or rotate the operations such as terminal) angle of view on display screen is changed, i.e. change
Become the view field of display screen.
Described terminal attitudes vibration data refer to that the attitude of terminal there occurs change and the data that produce, i.e. when
When receiving terminal attitudes vibration data, illustrate that the attitude of terminal there occurs change；Described terminal attitude becomes
Change data can be by can the sensor acquisition of inductive terminations acceleration, such as gravity sensor,
Gyroscope etc., when sensing data changes, i.e. illustrates that the attitude of terminal there occurs change.
Step 205, according to described triggering command and/or attitudes vibration data, and based on described display screen
Changing coordinates, be calculated the new coordinate of described display screen.
In the inventive solutions, when the angle of view of display screen changes, plane is play
The most also there is corresponding visual angle change in frame, it is possible to use various ways realizes step 205.
Hereinafter as a example by a kind of specific implementation therein, technical scheme will be introduced.Example
As, in some preferred embodiments of the present invention, described step 205 can specifically include:
Step 2051, according to described triggering command and/or attitudes vibration data, is calculated display screen
Change in location data and angle delta data.
As an example it is assumed that terminal is smart mobile phone, its current attitude is that screen place plane is perpendicular to
Ground and screen are for laterally to put, when the sensing data collected by gyroscope is as terminal attitudes vibration
During data, the current attitudes vibration mode of terminal and degree can be learnt by analyzing this sensing data.
Such as present terminal, with the central axis of gyroscope as axle, when being seen as from top to bottom turning clockwise, then may be used
By sensor data acquisition to data calculate the present terminal anglec of rotation, i.e. calculate terminal change angle
Degree.Such as by calculating, smart mobile phone have rotated 15 ° for (viewed from above) clockwise, thus counts
Calculate change in location data and the angle delta data obtaining display screen.
The most such as, when receiving the triggering command of user, and user's triggering command finger is in terminal
During touch screen enterprising line slip operation, can first determine that the starting point and ending point of above-mentioned slide is touching
Touch the coordinate on screen, and obtain the track of this slide；Then by coordinate and track determined by above-mentioned
It is converted into three-dimensional ball coordinate and motion track, thus is calculated change in location data and the angle of display screen
Degree delta data.
Step 2052, according to described change in location data and angle delta data, and based on described display screen
The changing coordinates of curtain, is calculated the new coordinate of described display screen.
In the inventive solutions, according to triggering command and/or the attitudes vibration data of terminal of user,
Display screen position in spherical model is transformable, on display screen then show change after be positioned at four
Land portions in pyramid region.But, it is changeless that plane plays frame position in spherical model,
It can rotate in three dimensions along with the rotation of spherical model, movement, move.So being positioned at display
Plane in the view field of screen plays frame can respective change.
Step 206, new coordinate based on described display screen determines that the plane in view field plays frame,
And play the video data of video channel corresponding to frame according to described plane, in described plane plays frame point
Do not play corresponding video.
In this step, owing to display screen coordinate in spherical model there occurs change, this display screen
View field also there occurs corresponding change, the embodiment of the present invention new seat based on described display screen
Plane in the newly determined view field of indicated weight plays frame, then plays, according to these planes, the video that frame is corresponding
The video data of channel, plays corresponding video respectively in each plane plays frame.Visible, work as user
When needing the video channel changing viewing, can be by the attitude of triggering command or change terminal to display
Angle of view on screen is changed, and makes the plane being positioned at view field redefined play in frame
Play corresponding video respectively, significantly provide user and change the convenience playing channel.
Present invention also offers a kind of video play device, as it is shown in figure 5, it is the present invention one enforcement
The structural representation of the video play device of example, this video play device includes:
Acquisition module 501, for the operational order in response to entrance panoramic video application program, obtains and works as
Front broadcasting visual angle.Specifically as described in above-described embodiment.
Broadcasting determines module 502, for according to currently playing visual angle, determines that display screen corresponds to panorama
Plane in video spherical model space projection region plays frame, and wherein, each described plane is play in frame
Heart point is respectively perpendicular to respective plane broadcasting frame with the line of the centre of sphere of spherical model, and described plane plays frame
Summation identical with video channel number.Specifically as described in above-described embodiment.
Playing module 503, for playing the video data of video channel corresponding to frame according to described plane,
Corresponding video is play respectively in described plane plays frame.Specifically as described in above-described embodiment.
Described acquisition module 501 is used for entering the operational order of panoramic video application program in response to user,
Obtaining the currently playing visual angle of display screen, now user only enters panoramic video application program
Homepage rather than enter in a certain single video channel.It is said that in general, in panoramic video, acquiescence
Video rises broadcasts sensing video middle, visual angle, and then, user can be slided by finger or the rotation of people
And change the broadcasting visual angle of video, improve the interactive experience of user.And, described acquisition module 501 is also
Frame is play for calling the plane created in the spherical model space of panoramic video.
Creating at least one plane in advance in panoramic video spherical model and play frame, this plane is play frame and is used for
Playing panoramic video.It should be noted that it is plane that described plane plays frame, non-curved, it is different from ball
Face.Therefore, described plane broadcasting frame is pre-created in panoramic video application program, when in response to entrance
During the operational order of panoramic video application program, call the plane in panoramic video spherical model and play frame.
Specifically, first determining that this plane plays the center position of frame, this plane plays the establishment position of frame
Determined by this central point.For example, it is possible to the central point that plane is play frame is positioned on the sphere of spherical model,
Within plane can also be play the sphere that the central point of frame is positioned at spherical model, it is also possible to plane is play frame
Central point be positioned at outside the sphere of spherical model.I.e. plane is play frame and can be created in the ball mould of panoramic video
Optional position in type space.
In a preferred embodiment of the present invention, described plane plays the central point of frame and the ball of spherical model
The line of the heart is perpendicular to the line of this plane broadcasting frame, i.e. central point and the centre of sphere need to play frame in this plane
On normal vector, to avoid video that distortion occurs on the display screen.Multiple plane is had to play frame if creating,
The most described each plane is play the central point of frame and is respectively perpendicular to respective flat with the line of the centre of sphere of spherical model
Frame is play in face, then even if this plane is play frame and is positioned at the Liang Jichu of spherical model, play frame in each plane
The video content of upper broadcasting is all without producing Severe distortion, to ensure the viewing effect of user.
Preferably, it is rectangle that described plane plays the flat shape of frame, and correspondingly, described plane plays frame
It is this rectangle plane and plays the central point of frame.It is further preferable that this rectangle plane plays the central point of frame
It is perpendicular to this rectangle plane with the line of the centre of sphere of spherical model and plays frame.It should be noted that described rectangle
Setting that plane plays the width of frame and height can depend on actual need.For example, it is possible to aobvious with video playback apparatus
The ratio of width to height of display screen curtain keeps consistent.Preferably, rectangle plane plays the ratio of width to height of frame is 16:9.And,
It can be one or more than the natural number of that described plane plays the quantity of frame, is typically based on video frequency
The quantity in road determines, such as two, three, five, eight etc..Furthermore, it is also possible to according to user
Use habit spherical model diverse location create multiple planes play frame so that display screen is polygonal
Plane can be corresponded under Du and play frame.
In yet another embodiment of the present invention, described display screen corresponds to panoramic video spherical model space
Plane in view field is play frame and is referred to that plane is play frame and is fully located in view field.The present invention's
In another embodiment, described display screen is corresponding to putting down in panoramic video spherical model space projection region
Face is play frame and is referred to that plane plays the remaining at least partially within view field of frame.The area of this part can
To pre-set area threshold, when the area of the plane broadcasting frame being positioned at view field exceedes area threshold,
It is considered as this plane broadcasting frame and is positioned at the view field of display screen.It is preferably located at described view field
The quantity that interior plane plays frame is preferably plurality of.Therefore, this broadcasting determines that module 502 passes through display screen
The view field of curtain determines that multiple planes of video to be loaded play frame, then just can show on the display screen
Show that these planes play the video of frame, thus solve the problem that can not simultaneously watch multi-channel video.
As another embodiment of the present invention, described plane plays summation and the video channel number phase of frame
With, and described plane plays frame and video channel one_to_one corresponding, and each plane plays frame corresponding to one
The broadcasting thread of video channel, the video data of each one video channel of broadcasting thread process, therefore,
The video of each video channel is play on a plane and is play on frame, thus realizes multichannel under panorama environment
Play while video.
As one embodiment of the present of invention, the video channel that each plane plays frame corresponding can set in advance
Put and store, when determining that described display screen corresponds to putting down in panoramic video spherical model space projection region
After frame is play in face, obtain described plane and play the video data of video channel corresponding to frame, in described plane
Play in frame and play corresponding video respectively.It is preferred that described video data can be terminal in real time from
The up-to-date video data obtained in video data server, such as, take to video data every the time of setting
Business device send video playback request, and with this video data received update before video data, with
It is all up-to-date for making the video content being pushed to user.
As an alternative embodiment of the invention, after the plane called in panoramic video spherical model plays frame,
Can first obtain all planes in panoramic video spherical model and play the video data of video channel corresponding to frame,
After described display screen to be determined plays frame corresponding to the plane in panoramic video spherical model space projection region,
Corresponding video is play respectively in described plane plays frame.In this embodiment, described video data is
The video data obtained from video data server before commencing play out video, is playing video mistake afterwards
Journey can no longer carry out data renewal.
Preferably, the video data in described video channel is stored in video data server, and described
Video data can carry out real-time update according to setting.For example, it is possible to update video playback according to hot topic degree
List, or play record renewal video play lists according to the history of user, or according to currently playing
Time updates video play lists etc..Owing to each channel plays frame corresponding to a plane, and it is positioned at
It is multiple that plane in described view field plays the quantity of frame, so that user can watch many simultaneously
The video content that individual channel is corresponding, significantly improves the interactive experience of user.Concrete such as above-described embodiment institute
State.
As a preferred embodiment of the present invention, as shown in Figure 6, described video play device includes:
Acquisition module 601, for the operational order in response to entrance panoramic video application program, obtains and works as
Front broadcasting visual angle.Specifically as described in above-described embodiment.
Broadcasting determines module 602, for according to currently playing visual angle, determines that display screen corresponds to panorama
Plane in video spherical model space projection region plays frame, and wherein, each described plane is play in frame
Heart point is respectively perpendicular to respective plane broadcasting frame with the line of the centre of sphere of spherical model, and described plane plays frame
Summation identical with video channel number.Specifically as described in above-described embodiment.
Playing module 603, for playing the video data of video channel corresponding to frame according to described plane,
Corresponding video is play respectively in described plane plays frame.Specifically as described in above-described embodiment.
Receiver module 604, for receiving the triggering command of user and/or the attitudes vibration data of terminal.
User (such as, is slided on the touch screen of terminal with one or more fingers by triggering command
The operations such as dynamic operation or point touching screen) or change terminal attitude (such as, tilt, mobile or turn
The operations such as dynamic terminal) angle of view on display screen is changed, i.e. change display screen
View field.Specifically as described in above-described embodiment.
Computing module 605, is used for according to described triggering command and/or attitudes vibration data, and based on described
The changing coordinates of display screen, is calculated the new coordinate of described display screen.Concrete such as above-mentioned enforcement
Described in example.
More new module 606, putting down in new coordinate based on described display screen determines view field
Face broadcasting frame, and play the video data of video channel corresponding to frame according to described plane, in described display
Screen is play corresponding video respectively.Specifically as described in above-described embodiment.
In a preferred embodiment of the invention, described computing module 605 may include that
Data variation module, for according to described triggering command and/or attitudes vibration data, is calculated aobvious
The change in location data of display screen curtain and angle delta data.Specifically as described in above-described embodiment.
Coordinate calculation module, is used for according to described change in location data and angle delta data, and based on institute
State the changing coordinates of display screen, be calculated the new coordinate of described display screen.
In the inventive solutions, according to triggering command and/or the attitudes vibration data of terminal of user,
Display screen position in spherical model is transformable, on display screen then show change after be positioned at four
Land portions in pyramid region.But, it is changeless that plane plays frame position in spherical model,
It can rotate in three dimensions along with the rotation of spherical model, movement, move.So being positioned at display
Plane in the view field of screen plays frame can respective change.Specifically as described in above-described embodiment.
Owing to display screen coordinate in spherical model there occurs change, the view field of this display screen is also
There occurs corresponding change, the embodiment of the present invention new coordinate based on described display screen redefines throwing
Plane in territory, shadow zone plays frame, then plays, according to these planes, the video that each window on frame is corresponding
Data, play corresponding video respectively in each window.Specifically as described in above-described embodiment.It is visible,
When user needs the video channel changing viewing, can be by triggering command or the attitude changing terminal
Angle of view on display screen is changed, makes the plane being positioned at view field redefined broadcast
Put and frame is play corresponding video respectively, significantly provide user and change the convenience playing channel.
As it has been described above, the video broadcasting method of embodiment of the present invention offer and device are based on panoramic video technology,
It is determined by display screen and plays frame corresponding to the multiple planes in panoramic video spherical model space projection region,
Video is made to play respectively, to realize broadcasting while multi-channel video under panorama environment in described plane plays frame
Put.Multi-channel video also produces the 3dization effect of similar panoramic video simultaneously, decreases picture distortion.And,
Video broadcasting method and device that the embodiment of the present invention provides can also be by triggering command or change terminals
Attitude the angle of view on display screen is changed, make to redefine is positioned at view field
Plane is play in frame and is play corresponding video respectively, thus improves the interactive experience of user further.
Those of ordinary skill in the field are it is understood that the discussion of any of the above embodiment is merely illustrative
, it is not intended that hint the scope of the present disclosure (including claim) is limited to these examples；At this
Under bright thinking, can also be combined between the technical characteristic in above example or different embodiment,
Step can realize with random order, and exist the present invention as above different aspect many other
Change, for they not offers in details simple and clear.Therefore, all the spirit and principles in the present invention it
In, any omission of being made, amendment, equivalent, improvement etc., should be included in the protection of the present invention
Within the scope of.
Claims (12)
1. a video broadcasting method, it is characterised in that including:
In response to the operational order of entrance panoramic video application program, obtain currently playing visual angle；
According to described currently playing visual angle, determine that display screen corresponds to panoramic video spherical model space projection
Plane in region plays frame, and wherein, each described plane plays the central point of frame and the centre of sphere of spherical model
Line be respectively perpendicular to respective plane and play frame, described plane plays summation and the video channel of frame
Number is identical；
The video data of video channel corresponding to frame is play, in described plane plays frame according to described plane
Play corresponding video respectively.
Video broadcasting method the most according to claim 1, it is characterised in that described plane plays frame
Central point be positioned on the sphere of spherical model or within the sphere of spherical model or outside the sphere of spherical model.
Video broadcasting method the most according to claim 1, it is characterised in that described plane plays frame
Flat shape be rectangle.
Video broadcasting method the most according to claim 1, it is characterised in that described plane plays frame
With video channel one_to_one corresponding, each plane plays the frame broadcasting thread corresponding to a video channel, often
The video data of individual one video channel of broadcasting thread process；
Video data in described video channel is stored in video data server, and real-time update.
Video broadcasting method the most according to claim 1, it is characterised in that also include:
Receive triggering command and/or the attitudes vibration data of terminal of user；
According to described triggering command and/or attitudes vibration data, and changing coordinates based on described display screen,
It is calculated the new coordinate of described display screen；
New coordinate based on described display screen determines that the plane in view field plays frame, and according to institute
State plane and play the video data of video channel corresponding to frame, in described plane plays frame, play phase respectively
The video answered.
Video broadcasting method the most according to claim 5, it is characterised in that described according to described tactile
Send instructions and/or attitudes vibration data, and changing coordinates based on described display screen, it is calculated described
The step of the new coordinate of display screen includes:
According to described triggering command and/or attitudes vibration data, it is calculated the change in location number of display screen
According to angle delta data；
According to described change in location data and angle delta data, and current seat based on described display screen
Mark, is calculated the new coordinate of described display screen.
7. a video play device, it is characterised in that including:
Acquisition module, for the operational order in response to entrance panoramic video application program, obtains and currently broadcasts
Put visual angle；
Broadcasting determines module, for according to described currently playing visual angle, determines that display screen corresponds to panorama
Plane in video spherical model space projection region plays frame, and wherein, each described plane is play in frame
Heart point is respectively perpendicular to respective plane broadcasting frame with the line of the centre of sphere of spherical model, and described plane plays frame
Summation identical with video channel number；
Playing module, plays the video data of video channel corresponding to frame according to described plane, described flat
Face is play in frame and is play corresponding video respectively.
Video play device the most according to claim 7, it is characterised in that described plane plays frame
Central point be positioned on the sphere of spherical model or within the sphere of spherical model or outside the sphere of spherical model.
Video play device the most according to claim 7, it is characterised in that described plane plays frame
Flat shape be rectangle.
Video play device the most according to claim 7, it is characterised in that described plane is play
Frame and video channel one_to_one corresponding, each plane broadcasting frame corresponds to the broadcasting thread of a video channel,
The video data of each one video channel of broadcasting thread process；
Video data in described video channel is stored in video data server, and real-time update.
11. video play devices according to claim 7, it is characterised in that also include:
Receiver module, for receiving the triggering command of user and/or the attitudes vibration data of terminal；
Computing module, is used for according to described triggering command and/or attitudes vibration data, and based on described display
The changing coordinates of screen, is calculated the new coordinate of described display screen；
For new coordinate based on described display screen, more new module, determines that the plane in view field is broadcast
Put frame, and play the video data of video channel corresponding to frame according to described plane, play in described plane
Frame is play corresponding video respectively.
12. video play devices according to claim 11, it is characterised in that described computing module
Including:
Data variation module, for according to described triggering command and/or attitudes vibration data, is calculated aobvious
The change in location data of display screen curtain and angle delta data；
Coordinate calculation module, is used for according to described change in location data and angle delta data, and based on institute
State the changing coordinates of display screen, be calculated the new coordinate of described display screen.
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