CN110536164A - Display method, video data processing method and related equipment - Google Patents
Display method, video data processing method and related equipment Download PDFInfo
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- CN110536164A CN110536164A CN201910758715.6A CN201910758715A CN110536164A CN 110536164 A CN110536164 A CN 110536164A CN 201910758715 A CN201910758715 A CN 201910758715A CN 110536164 A CN110536164 A CN 110536164A
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- 238000003672 processing method Methods 0.000 title abstract 2
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- 238000005070 sampling Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims description 61
- 238000001514 detection method Methods 0.000 claims description 45
- 239000011159 matrix material Substances 0.000 claims description 44
- 230000005236 sound signal Effects 0.000 claims description 27
- 238000004590 computer program Methods 0.000 claims description 17
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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
-
- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- 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 or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
-
- 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
- H04N21/488—Data services, e.g. news ticker
- H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a display method, a video data processing method and related equipment. The display method comprises the following steps: acquiring a video stream of a first visual angle and video sampling data of a second visual angle; playing a video corresponding to the video stream of the first visual angle in a first display area, and displaying a video thumbnail image corresponding to the video sampling data of the second visual angle in a second display area; and outputting prompt information corresponding to a target visual angle under the condition that the target visual angle is acquired to have an emergency, wherein the target visual angle comprises at least one visual angle of the first visual angle and the second visual angle. The invention not only enriches the display modes of the display equipment, and is convenient for users to know the conditions of multiple visual angles; the display equipment also has an emergency prompting function, so that a user can know the emergency conveniently.
Description
Technical field
The present embodiments relate to video technique field more particularly to a kind of display methods, video data handling procedure and
Relevant device.
Background technique
With the arrival of Internet era, network video play-back technology also increasingly updates, especially live play technology.Directly
Broadcasting has the characteristics that timeliness is strong, and user can understand media event, or can enjoy real-time match by live streaming in real time
Thing.
However, user is merely able to be followed by live streaming camera lens at present in live streaming, the content being broadcast live from single visual angle viewing,
The case where other visual angles can not be watched.As it can be seen that the display mode of existing display equipment is single.
Summary of the invention
The embodiment of the present invention provides a kind of display methods, video data handling procedure and relevant device, existing aobvious to solve
Show the single problem of the display mode of equipment.
To solve the above problems, the present invention is implemented as follows:
In a first aspect, being applied to display equipment the embodiment of the invention provides a kind of display methods, which comprises
Obtain the video flowing at the first visual angle and the video sampling data at the second visual angle；
The corresponding video of video flowing at first visual angle is played in the first display area, shows institute in the second display area
State the corresponding video thumbnails picture of video sampling data at the second visual angle；
In the case where getting aspect emergency event having occurred, exports prompt corresponding with the aspect and believe
Breath, the aspect includes at least one visual angle in first visual angle and second visual angle.
Optionally, described in the case where getting aspect emergency event having occurred, output and the aspect
Before corresponding prompt information, the method also includes:
According at least one in the key video sequence frame and audio frame of aspect, detect whether the aspect occurs
Emergency event.
Optionally, at least one in the key video sequence frame and audio frame according to aspect, detects the target
Whether visual angle has occurred emergency event, comprising:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, the method also includes:
Obtain the first Pixel Information of the first key video sequence frame；
First Pixel Information is matched with the Pixel Information in Q default scenes, obtains Q matching value, Q is
Integer greater than 1；
To there is the default scene of maximum matching value, is determined as the corresponding scene of the first key video sequence frame；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
Optionally, at least one in the key video sequence frame and audio frame according to aspect, detects the target
Whether visual angle has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
Second aspect, the embodiment of the present invention also provide a kind of video data handling procedure, set applied to video data processing
It is standby, which comprises
Obtain the video flowing at the first visual angle and the second visual angle；
According at least one in the key video sequence frame and audio frame of aspect, it is prominent whether detection aspect has occurred
Hair event, the aspect include at least one visual angle in first visual angle and second visual angle；
In the case where detecting that emergency event has occurred in the aspect, instruction letter is sent to the display equipment
Breath, the instruction information indicate that emergency event has occurred in the aspect.
Optionally, at least one in the key video sequence frame and audio frame according to aspect, detects the target
Whether visual angle has occurred emergency event, comprising:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, at least one in the key video sequence frame and audio frame according to aspect, detects the target
Whether visual angle has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
The third aspect, the embodiment of the present invention also provide a kind of display equipment, comprising: transceiver, memory, processor and deposit
Store up the computer program that can be run on the memory and on the processor；It is characterized in that, the processor, is used for
The program read in memory is realized such as the step in aforementioned described in any item display methods.
Fourth aspect, the embodiment of the present invention also provide a kind of display equipment, comprising: transceiver, memory, processor and deposit
Store up the computer program that can be run on the memory and on the processor；It is characterized in that, the processor, is used for
The program read in memory is realized such as the step in aforementioned described in any item video data handling procedures.
5th aspect, the embodiment of the present invention also provides a kind of computer readable storage medium, for storing computer program,
It is realized when the computer program is executed by processor such as the step in aforementioned described in any item display methods, or such as aforementioned
Step in video data handling procedure described in one.
In embodiments of the present invention, display equipment can play the video at the first visual angle in the first display area, second
Display area shows the video thumbnails picture at the second visual angle；And the case where emergency event has occurred in aspect can got
Under, export prompt information corresponding with the aspect.In this way, not only enriching the display mode of display equipment, facilitate use
Family understands the case where multi-angle of view；Display equipment is also equipped with emergency event prompt facility, and user is facilitated to understand emergency event.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 a is one of the structural schematic diagram of the applicable live broadcast system of the embodiment of the present invention；
Fig. 1 b is the second structural representation of the applicable live broadcast system of the embodiment of the present invention；
Fig. 2 is the flow diagram of display methods provided in an embodiment of the present invention；
Fig. 3 a is one of display schematic diagram provided in an embodiment of the present invention；
Fig. 3 b is the two of display schematic diagram provided in an embodiment of the present invention；
Fig. 4 a is the three of display schematic diagram provided in an embodiment of the present invention；
Fig. 4 b is the four of display schematic diagram provided in an embodiment of the present invention；
Fig. 5 a is the five of display schematic diagram provided in an embodiment of the present invention；
Fig. 5 b is the six of display schematic diagram provided in an embodiment of the present invention；
Fig. 5 c is the seven of display schematic diagram provided in an embodiment of the present invention；
Fig. 6 a is one of the schematic diagram of Pixel Information provided in an embodiment of the present invention；
Fig. 6 b is the two of the schematic diagram of Pixel Information provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram of map information provided in an embodiment of the present invention；
Fig. 8 is the flow diagram of video data handling procedure provided in an embodiment of the present invention；
Fig. 9 is one of the structural schematic diagram of display equipment provided in an embodiment of the present invention；
Figure 10 is one of the structural schematic diagram of video data processing device provided in an embodiment of the present invention；
Figure 11 is the second structural representation of display equipment provided in an embodiment of the present invention；
Figure 12 is the second structural representation of video data processing device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Term " first ", " second " in the application etc. are to be used to distinguish similar objects, without specific for describing
Sequence or precedence.In addition, term " includes " and " having " and their any deformation, it is intended that covering is non-exclusive
Include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly arrange
Those of out step or unit, but may include be not clearly listed or it is solid for these process, methods, product or equipment
The other step or units having.In addition, "and/or" used herein indicates at least one of institute's connecting object, such as A
And/or B and/or C, indicating to include independent A, independent B, independent C and A and B exist, and B and C exist, and A and C exist,
And all existing 7 kinds of situations of A, B and C.
A and Fig. 1 b referring to Figure 1, Fig. 1 a are one of the structural schematic diagrams of the applicable live broadcast system of the embodiment of the present invention,
Fig. 1 b is the second structural representation of the applicable live broadcast system of the embodiment of the present invention.
Live broadcast system shown in Fig. 1 a includes video capture device group 10, video data processing device 20 and display equipment
30.Live broadcast system shown in Fig. 1 b includes video capture device group 10 and display equipment 30.
The equipment being related in live broadcast system shown in Fig. 1 a and Fig. 1 b is illustrated below:
Video capture device group 10 may include two or more video capture devices (such as video camera), each view
Frequency acquisition equipment can be used for acquiring the live video data at a visual angle, and export the live video with corresponding visual angle mark
Stream.It should be understood that different video acquisition equipment is respectively used to the live video data of acquisition different perspectives, the view of different perspectives
Frequency marking is known different.
When specific implementation, in video capture device 10 each video capture device can to video data processing device 20 and/
Or live video stream of the display output of equipment 30 with corresponding visual angle mark, so that video data processing device 20 and/or display
Equipment 30 can independently detect whether each visual angle has occurred emergency event according to the live video stream at each visual angle.
As shown in Figure 1a, the live video data of the first video capture device 11 acquisition visual angle A is set to video data processing
Standby live video stream of 20 transmission with visual angle A mark；Second video capture device 12 acquires the live video data of visual angle B,
The live video stream identified to the transmission of video data processing device 20 with visual angle B；Third video capture device 13 acquires visual angle C
Live video data, to video data processing device 20 transmission with visual angle C identify live video stream.
As shown in Figure 1 b, the live video data of the first video capture device 11 acquisition visual angle A is transmitted to display equipment 30
Live video stream with visual angle A mark；Second video capture device 12 acquires the live video data of visual angle B, sets to display
Standby live video stream of 30 transmission with visual angle B mark；Third video capture device 13 acquires the live video data of visual angle C,
The live video stream identified to the display transmission of equipment 30 with visual angle C.
It should be noted that each video capture device of video capture device 10 may be used also for live broadcast system shown in Fig. 1 a
With the live video stream identified to the display output of equipment 30 with corresponding visual angle.
Video data processing device 20 can receive the live video with visual angle mark of each video capture device transmission
Stream, that is, receive the live video stream at each visual angle.
Video data processing device 20 can make following place in the live video stream for receiving each visual angle to live video stream
Reason: it on the one hand, can be transmitted by content distributing network (Content Delivery Network, CDN) to display equipment 30
The video sampling data of the video flowing at the first visual angle and the video flowing at the second visual angle；On the other hand, can detecte each visual angle is
It is no emergency event has occurred between, if detecting, emergency event is had occurred in certain visual angle, can to display equipment 30 send instruction letter
Breath, indicates that emergency event has occurred in the visual angle, so that display equipment 30 exports prompt information corresponding with the visual angle.
Show that equipment 30 can play the corresponding video of video flowing at the first visual angle in the first display area, in the second display
Region shows the corresponding video thumbnails picture of the video sampling data at the second visual angle；Further, prompt information can also be exported,
Emergency event has occurred with prompt.
Further, display equipment 30 can also independently detect whether each visual angle has occurred emergency event.In the case,
As shown in Figure 1 b, live broadcast system can not include video data processing device 20；Certainly, in some embodiments, live streaming system
System also may include video data processing device 20, can specifically determine according to actual needs, the embodiment of the present invention does not limit this
It is fixed.
By foregoing teachings it is found that whether visual angle has occurred the detection of emergency event, it can be handled and be set by video data
It is executed for 20 and/or display equipment 30.Therefore, for the live streaming system including video data processing device 20 and display equipment 30
System in a kind of embodiment, to avoid the wasting of resources, in live broadcast system, can control video data processing in practical applications
One in equipment and display equipment executes the detection operation whether visual angle has occurred emergency event.Certainly, implement in another kind
In mode, both video data processing device and display equipment in live broadcast system can carry out whether visual angle is happened suddenly
The detection of event operates.
Referring to fig. 2, Fig. 2 is the flow diagram of display methods provided in an embodiment of the present invention.The embodiment of the present invention provides
Display methods can be applied to display equipment.In practical applications, display equipment can specifically show as mobile phone, tablet computer
The specific manifestation form of display equipment is not intended to limit Deng, the embodiment of the present invention.
As shown in Fig. 2, the display methods of the embodiment of the present invention may comprise steps of:
The video sampling data of step 201, the video flowing for obtaining the first visual angle and the second visual angle.
When specific implementation, display equipment can receive the video flowing for obtaining the first visual angle.For system is broadcast live shown in Fig. 1 a
System, display equipment can receive the video sampling data for obtaining the second visual angle；For live broadcast system shown in Fig. 1 b, equipment is shown
The video sampling data for obtaining the second visual angle can be sampled from the video flowing at the second visual angle received.
In the present embodiment, the first visual angle (or second visual angle) may include one or more of preset N number of visual angle
Visual angle, N are the integer greater than 1.When specific implementation, the first visual angle (or second visual angle) can be set by the system default of display equipment
Determination is set, can also select to determine by the user of display equipment, the present invention is not intended to limit the first visual angle (or second visual angle) really
Determine mode.
Second visual angle and the first visual angle can have following relationship:
In the first implementation, the first visual angle and the second visual angle can be different.Optionally, the first visual angle is preset N
Part visual angle in a visual angle, the second visual angle are other visual angles in preset N number of visual angle in addition to the first visual angle.It is exemplary
, it is assumed that N number of visual angle includes visual angle A, visual angle B and visual angle C, then the first visual angle can be visual angle A, and the second visual angle may include view
Angle B and visual angle C.
In the second implementation, the first visual angle and the second visual angle may include identical visual angle.Optionally, the second visual angle
It may include the first visual angle.Illustratively, it is assumed that N number of visual angle includes visual angle A, visual angle B and visual angle C, then the first visual angle can be view
Angle A, the second visual angle may include visual angle A, visual angle B and visual angle C.
Step 202 plays the corresponding video of video flowing at first visual angle in the first display area, in the second viewing area
Domain shows the corresponding video thumbnails picture of the video sampling data at second visual angle.
It should be understood that the corresponding video sampling data in each visual angle, each video sampling data are corresponding in the second visual angle
One video thumbnails picture, therefore, the corresponding video thumbnails picture in each visual angle in the second visual angle.
When specific implementation, display equipment often receives a video sampling data at certain visual angle, can be by the video at the visual angle
Thumbnail image is updated to the corresponding video thumbnails picture of the video sampling data.It can be seen that shown in the second display area
The sample frequency of the corresponding video sampling data of the renewal frequency of the video thumbnails picture at each visual angle is related.
In practical applications, the first display area and the second display area can be the different display areas of same screen；
First display area and the second display area can also be located at different screen, specifically can determines according to actual conditions, this hair
Bright embodiment is not construed as limiting this.
For convenience of understanding, Fig. 3 a is please referred to.In fig. 3 a, the first visual angle includes the visual angle A, and the second visual angle includes the visual angle B and C
Visual angle.As shown in Figure 3a, display equipment can play the video at the visual angle A in the first display area 31, in the second display area
The video thumbnails picture at the visual angle B and the video thumbnails picture at the visual angle C are shown in 32.
In the present embodiment, if the quantity for the video thumbnails picture that the second display area can be shown simultaneously is less than the second visual angle
Quantity, then can show the video thumbnails picture at the second visual angle in turn according to preset order by the way of horse race lamp.For side
Just understand, please refer to Fig. 3 b.
In fig 3b, it includes the visual angle B, the visual angle C, the visual angle D and the visual angle E that the first visual angle, which includes the visual angle A, the second visual angle,.Such as figure
Shown in 3b, display equipment can play the video at the visual angle A in the first display area 31, using race in the second display area 32
The mode of barn lantern shows video thumbnails picture, the C view at the visual angle B according to the sequence at the visual angle B, the visual angle C, the visual angle D and the visual angle E in turn
The video thumbnails picture of the video thumbnails picture at angle, the video thumbnails picture at the visual angle D and the visual angle E.
Step 203, in the case where getting aspect emergency event having occurred, export corresponding with the aspect
Prompt information, the aspect includes at least one visual angle in first visual angle and second visual angle.
In the present embodiment, emergency event can be unexpected event in playing process, such as: in live streaming Basketball Match
In, football fan's disturbance can be considered as an emergency event.
Prompt information corresponding with the aspect is for prompting aspect described in user that emergency event has occurred.Tool
When body is realized, prompt information can be visual information and/or acoustic information, can specifically set according to actual needs, the present invention
Embodiment is not construed as limiting this.
In the case where prompt information shows as visual information, in a kind of implementation, display equipment, which can pop up, to be mentioned
Show frame, texts such as " emergency event have occurred in aspect " are shown in prompting frame.
In another implementation, display equipment can highlight the corresponding window of the aspect, and (such as video is broadcast
Window or video thumbnails are put as display window), such as: flashing shows the frame of the corresponding window of the aspect window, or
Amplification shows the corresponding window of the aspect.
For convenience of understanding, illustrate as follows:
Example one: assuming that before getting the visual angle B and emergency event has occurred, as shown in Figure 3a, show equipment first
The video that the visual angle A is played in display area 31, shows video thumbnails picture and the visual angle C at the visual angle B in the second display area 32
Video thumbnails picture.
In the case where display equipment gets the visual angle B and emergency event has occurred, as shown in fig. 4 a, display equipment can amplify
The corresponding window in the visual angle B is shown, so that the display that the display size of the corresponding window in the visual angle B is greater than the corresponding window in the visual angle C is big
It is small.In this way, user could be aware that emergency event has occurred in the visual angle B.
Example two: assuming that before emergency event has occurred in the visual angle B, as shown in Figure 3b, show equipment in the first viewing area
The video that the visual angle A is played in domain 31, according to the visual angle B, the visual angle C, the visual angle D by the way of horse race lamp in the second display area 32
With the sequence at the visual angle E, show in turn the video thumbnails picture at the visual angle B, the video thumbnails picture at the visual angle C, the visual angle D video breviary
The video thumbnails picture of image and the visual angle E.
Display equipment gets the visual angle B and emergency event has occurred, and gets B at the time of emergency event has occurred in the visual angle B
The corresponding window in visual angle is in except the second display area, then as shown in Figure 5 b, the corresponding window sliding in the visual angle B can be arrived
In second display area, and amplify the corresponding window in the display visual angle B, so that the display size of the corresponding window in the visual angle B is regarded greater than C
The display size of the corresponding window in angle.Furthermore it is possible to suspend the automatic carousel of horse race lamp, it is of course also possible to control in the second visual angle
The corresponding window in other visual angles continue according to the automatic carousel of preset order horse race lamp.
In the case where prompt information shows as acoustic information, display equipment can export voice, prompt ownership goal view
Emergency event has occurred in angle.
In this way, display equipment in the case where emergency event has occurred in aspect, by inputting prompt information, prompts to use
Emergency event has occurred in family, so that user can adjust the display mode of display equipment according to self-demand.
It should be noted that in the case where aspect includes two or more visual angles, in a kind of implementation,
Display equipment can export the corresponding prompt information in each visual angle that displaying target visual angle includes, such as: simultaneously amplify the above-mentioned mesh of display
The corresponding window in each visual angle that mark visual angle includes.
In another implementation, emergency event can be had occurred according to each visual angle in aspect is got in display equipment
Acquisition time sequencing, be sequentially output the corresponding prompt information in visual angle.Specifically, it (is obtained for i.e. i-th at i-th visual angle
Get the visual angle that emergency event has occurred) the output duration of corresponding prompt information reaches preset duration, or, receiving user's needle
To in the case where the corresponding operating of the corresponding prompt information in i-th of visual angle, display equipment just exports a get of i+1 and has occurred
The corresponding prompt information in the visual angle of emergency event.
The display methods of the present embodiment, display equipment can play the video at the first visual angle, In in the first display area
Second display area shows the video thumbnails picture at the second visual angle；And emergency event can have occurred getting aspect
In the case of, export prompt information corresponding with the aspect.Thus it is possible, on the one hand, only being played compared to existing display equipment
The video at one visual angle, enriches the display mode of display equipment, and user can be by showing that equipment recognizes different perspectives
Situation, so as to improve the participation of user；On the other hand, display equipment is also equipped with emergency event prompt facility, facilitates use
Family understands emergency event, understands focus incident in time.
In practical applications, the view for including in the first visual angle and the second visual angle can be adjusted flexibly in user according to self-demand
Angle.Such as: in the initial state, the first visual angle may include visual angle A, and the second visual angle may include visual angle B and visual angle C.If user
The video for wanting to check visual angle B can then trigger display equipment in the first display area and show the video of video B, in the second display
The video thumbnails picture of region display view angle A and visual angle C, at this point, the first visual angle includes visual angle B, the second visual angle include visual angle A and
Visual angle C.As it can be seen that the visual angle in the first visual angle and the second visual angle is adjusted.
Optionally, user is being received for the feelings of the input of the corresponding video thumbnails picture in some visual angle in the second visual angle
Under condition, display equipment can in the corresponding video of video flowing that first display area plays the visual angle, realize the visual angle from
The switching at the second visual angle to the first visual angle.
In practical applications, above-mentioned input can show themselves in that
Increase by first input at the first visual angle；Or,
Switch second input at the first visual angle.
It should be understood that the first input is different at least one input parameter of the second input, such as input mode, input time
Number etc..Illustratively, the first input, which can be showed themselves in that, executes clicking operation on the corresponding video thumbnails picture in third visual angle；
Second input, which can be showed themselves in that, executes slide on the corresponding video thumbnails picture in third visual angle, but is not limited only to this.
When specific implementation, if display equipment receive for the corresponding video thumbnails in some visual angle in the second visual angle as
First input, illustrates that user wants to watch the video at the visual angle, then shows that the visual angle can be added in the first visual angle by equipment, this
In the case of, the number viewpoints that the first visual angle includes will increase, and the number viewpoints that the second visual angle includes will be reduced.
For convenience of understanding, illustrate as follows:
Assuming that before receiving for the first input of the corresponding video thumbnails picture in the visual angle B, as shown in Figure 3a, display
Equipment plays the video at the visual angle A in the first display area 31, and the video thumbnails at the visual angle B are shown in the second display area 32
The video thumbnails picture of picture and the visual angle C.
If user wants to watch the video at the visual angle B, the video thumbnails at the visual angle B are clicked, then as shown in Figure 5 a, show equipment
The broadcast window size of adjustable video plays the video at the visual angle A and the video at the visual angle B, In in the first display area 31
The video thumbnails picture at the visual angle C is shown in second display area 32.
If display equipment receives the second input for the corresponding video thumbnails picture in some visual angle in the second visual angle, say
Bright user wants to exchange a visual angle in the first visual angle using the visual angle in the second visual angle, in this case, the first visual angle and the
The number viewpoints that two visual angles include can not change.
For convenience of understanding, illustrate as follows:
Assuming that before receiving for the second input of the corresponding video thumbnails picture in the visual angle B, as shown in Figure 3a, display
Equipment plays the video at the visual angle A in the first display area 31, and the video thumbnails at the visual angle B are shown in the second display area 32
The video thumbnails picture of picture and the visual angle C.
If user wants the case where watching the visual angle B, slide is executed on the video thumbnails at the visual angle B, then such as Fig. 5 b institute
Show, display equipment can play the video at the visual angle B in the first display area 31, show the visual angle A in the second display area 32
Video thumbnails picture and the visual angle C video thumbnails picture.
In this way, the display mode of display equipment can be adjusted flexibly in user according to self-demand, so as to further mention
The participation of high user.
In the present embodiment, for showing that equipment exports corresponding with aspect output information tool in step 203
Body shows themselves in that display equipment highlights the corresponding window of the aspect (such as video playback window or video thumbnails picture
Display window) scene, further, in the case where aspect is the visual angle in the second visual angle, display equipment exporting
After prompt information, the video flowing of aspect can also be obtained, and the corresponding video of the video flowing for playing aspect.For side
Just understand, referring to Fig. 5 a.In fig 5 a, display equipment plays the video at the visual angle A in the first display area 31, the
The video at the visual angle B and the video thumbnails picture at the display visual angle C are played in two display areas 32.In this way, it is timely to can be convenient user
The case where obtaining aspect improves the timeliness of information transmission.
In addition, in the case where aspect is the visual angle in the second visual angle, show equipment after exporting prompt information,
User can adjust the display mode of display equipment according to self-demand.
In a kind of implementation, user can execute above-mentioned second input to the corresponding window of aspect, so as to
So that aspect is switched to the first visual angle by display equipment, will be played before receiving the second input in the first display area
The corresponding view angle switch of video be the second visual angle.
In this implementation, optionally, for the second visual angle after switching, can first play in the second display area should
The video at visual angle can then show the video thumbnails at the visual angle after playing duration reaches preset duration.In this way, if pre-
If in duration, user thinks that controlling display equipment again plays the video at the visual angle at the first visual angle, can be to avoid same visual angle
The frequent switching of video and video thumbnails, so as to reduce terminal operating burden.
For convenience of understanding, illustrate as follows:
Assuming that before receiving for the second input of the corresponding video thumbnails picture in the visual angle B, as shown in Figure 5 a, display
Equipment plays the video at the visual angle A in the first display area 31, and the video and C view at the visual angle B are shown in the second display area 32
The video thumbnails picture at angle.
If user wants the case where watching the visual angle B, slide is executed on the video thumbnails at the visual angle B, then such as Fig. 5 c institute
Show, display equipment can play the video at the visual angle B in the first display area 31, and the visual angle A is played in the second display area 32
Video and display the visual angle C video thumbnails picture.
In the case where the playing duration of the video at the visual angle A reaches preset duration, as shown in Figure 4 b, display equipment can be
The video that the visual angle B is played in first display area 31, shows the video thumbnails picture and C at the visual angle A in the second display area 32
The video thumbnails picture at visual angle.
By foregoing teachings it is found that video data processing device and/or display equipment can detecte visual angle whether have occurred it is prominent
Hair event, therefore, display equipment, which gets aspect the acquisition modes of emergency event have occurred, may is that based on video data
The instruction of processing equipment obtains, and/or, autonomous detection obtains.
It is optionally, described to obtain in the scene that acquisition modes include the instruction acquisition based on video data processing device
It gets in the case that emergency event has occurred in aspect, it is described before exporting prompt information corresponding with the aspect
Method further include:
Receive the instruction information that video data processing device is sent；
It is described in the case where getting aspect emergency event having occurred, export mentions corresponding with the aspect
Show information, comprising:
In the case where the instruction information indicates that emergency event has occurred in the aspect, output is regarded with the target
The corresponding prompt information in angle.
Include in scene that autonomous detection obtains in acquisition modes, it is optionally, described to have occurred getting aspect
In the case where emergency event, before exporting prompt information corresponding with the aspect, the method also includes:
According at least one in the key video sequence frame and audio frame of aspect, detect whether the aspect occurs
Emergency event.
In the present embodiment, key video sequence frame is the key frame in image group (Group of Pictures, GOP).In reality
In the application of border, GOP can be divided according to time span, such as:, can be by 0 to 5 if presetting one key frame of appearance in 5 seconds
Video frame in second is divided a GOP, and the video frame in 6 to 10 seconds is divided into another GOP, therefore, the key of adjacent GOP
The corresponding scene possibility of frame is identical may also be different.
Audio frame includes the audio signal of a certain period of time, that is to say, that can be by the audio in a certain period of time
Signal is considered as a frame audio signal, i.e. audio frame.
In the key video sequence frame according to aspect, the case where whether aspect has occurred emergency event detected
At least one of under, optionally, in the key video sequence frame and audio frame according to aspect, detecting the aspect is
It is no that emergency event has occurred, comprising:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
When specific implementation, it is contemplated that i+1 key video sequence frame is become relative to the scene of i-th of key video sequence frame
The reason of change includes: that the video capture device for acquiring the video data of aspect rocks；Aspect is happened suddenly
Event.
Therefore, it is the accuracy rate for improving emergency event and determining, is detecting the corresponding scene of i-th of key video sequence frame and the
In the case that the corresponding scene of i+1 key video sequence frame is different, display equipment also needs further to detect to be regarded from i+1 is crucial
It whether there is target critical video frame in the M key video sequence frame that frequency frame starts.If it does not exist, illustrate the scene hair of aspect
Switching has been given birth to, emergency event has occurred；Otherwise, it not can determine that emergency event has occurred in aspect.Wherein, M can be according to reality
The setting of border demand, the embodiment of the present invention are not construed as limiting this.
Illustratively, it is assumed that M is set as 4.
If the corresponding sequence of scenes of continuous key video sequence frame at visual angle 1 is AAAAAABBBAAAA, the i.e. continuous key video sequence
The 1st key video sequence frame to the 6th corresponding scene of key video sequence frame in frame is scenario A, the 7th key video sequence frame to the 9th
The corresponding scene of a key video sequence frame is scenario B, and the 10th key video sequence frame to the 13rd corresponding scene of key video sequence frame is
Scenario A.As it can be seen that in the continuous key video sequence frame, scene hair of the 7th key video sequence frame relative to the 6th key video sequence frame
Variation is given birth to.But since the sequence of scenes of 4 continuous key video sequence frames from the 7th key video sequence frame is BBBA, wherein wrapping
Scenario A is included, it is identical as the 6th corresponding scene of key video sequence frame, therefore, it is possible to determine that there is no emergency events at visual angle 1.
If the corresponding sequence of scenes of continuous key video sequence frame at visual angle 2 is AAAAAABBBBBBB, the i.e. continuous key video sequence
The 1st key video sequence frame to the 6th corresponding scene of key video sequence frame in frame is scenario A, the 7th key video sequence frame to the 13rd
The corresponding scene of a key video sequence frame is scenario B.As it can be seen that in the continuous key video sequence frame, the 7th key video sequence frame relative to
The scene of 6th key video sequence frame is changed, and the scene of 4 continuous key video sequence frames of the 7th key video sequence frame
Sequence is BBBB, wherein not including scenario A, therefore, it is possible to determine that emergency event has occurred in visual angle 2.
In in this case, display equipment can determine the corresponding scene of each key video sequence frame in the following manner.
Optionally, the method also includes:
Obtain the first Pixel Information of the first key video sequence frame；
First Pixel Information is matched with the Pixel Information in Q default scenes, obtains Q matching value, Q is
Integer greater than 1；
To there is the default scene of maximum matching value, is determined as the corresponding scene of the first key video sequence frame；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
Illustratively, it is assumed that default scene includes scenario A and scenario B.The Pixel Information of scenario A may refer to Fig. 6 a, field
The Pixel Information of scape B may refer to Fig. 6 b.
Specific implementation is, if the matching value of the Pixel Information of the Pixel Information and scenario A of key video sequence frame 1 is greater than crucial view
The matching value of the Pixel Information of the Pixel Information and scenario B of frequency frame 1, the i.e. pixel of the Pixel Information and scenario A of key video sequence frame 1
Information has maximum matching value, illustrates that the pixel distribution of key video sequence frame 1 is similar with scenario A, then can determine key video sequence frame 1
Corresponding scene is scenario A.
If the matching value of the Pixel Information of the Pixel Information and scenario B of key video sequence frame 2 is greater than the pixel of key video sequence frame 2
The matching value of the Pixel Information of information and scenario A, the Pixel Information of key video sequence frame 2 and the Pixel Information of scenario B have maximum
Matching value, illustrates that the pixel distribution of key video sequence frame 2 is similar with scenario B, then can determine that the corresponding scene of key video sequence frame 2 is
Scenario B.
It is detected in the case that whether the aspect have occurred emergency event in the audio frame according to aspect, it can
At least one of choosing, in the key video sequence frame and audio frame according to aspect, the detection aspect is
It is no that emergency event has occurred, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
When specific implementation, if the rectangular space that default matrix is K × P, which may include K × P region.
Each audio signal in audio frame is corresponding with a value, and a sky in default matrix can be mapped to according to its value
In lattice.
Illustratively, as shown in Figure 7, it is assumed that the value range of audio signal is 0 to 255, and presetting matrix includes 16 × 16
A region.If the value of audio signal 1 is 18, audio signal 1 can map to the 19th region of the default matrix；If sound
The value of frequency signal 2 is 20, then audio signal 1 can map to the 21st region of the default matrix, and so on.
It therefore, may include: each audio signal in default square in the map information of default matrix for an audio frame
The mapping position of battle array.It should be understood that can have multiple audio signals identical in the mapping position of default matrix in audio frame.
It, can be in more two neighboring audio frame when matching the map information of two neighboring audio frame when specific implementation
The audio signal that each audio signal maps in the first coincidence value of the mapping position of default matrix and same mapping position
Second coincidence value of quantity.
If the first coincidence value is greater than the first default coincidence value, and/or, the second coincidence value is greater than the second default coincidence value, says
The matching value of the bright two neighboring audio frame is greater than preset value, and emergency event has occurred in aspect.Otherwise illustrate this adjacent two
The matching value of a audio frame is less than preset value, and emergency event does not occur for aspect.
In the key video sequence frame and audio frame according to aspect, detect whether the aspect has occurred emergency event
At least one of in the case where, optionally, in the key video sequence frame and audio frame according to aspect, detect the target
Whether visual angle has occurred emergency event, may include:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, display equipment can detecte first map information of i-th of audio frame and the second map information of i+1 audio frame
Matching value whether be greater than preset value；
The matching value of first map information and second map information be greater than preset value in the case where, detection from
It whether there is target critical video frame in the M key video sequence frame that i+1 key video sequence frame starts；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
I-th of key video sequence frame is corresponding with i-th of audio frame, and i+1 key video sequence frame is corresponding with i+1 audio frame；The pass
Key video frame is the key video sequence frame of the aspect；M is the integer greater than 1.
In this case, the time cycle of audio frame can be identical as the time span of GOP, thus audio frame and crucial view
Frequency frame has one-to-one relationship.
It should be noted that the embodiment for the plurality of optional introduced in the embodiment of the present invention, in the feelings not conflicted with one another
Can be combined with each other realization under condition, can also be implemented separately, and be not construed as limiting to this embodiment of the present invention.
For convenience of understanding, illustrate as follows:
The first step, multi-angle of view live streaming are broadcasted.
As shown in Figure 1a, video capture device group 10 acquires signal and is delivered to video data processing device 20, wherein each view
The video at angle, which flows through, passes through Streaming Media after 20 transcoding of video data processing device, non-volume and CDN is delivered to display equipment 30.It is aobvious
Showing that equipment 30 shows the video flowing at the first visual angle in a manner of large-size screen monitors, other visual angles are shown as real-time thumbnail (i.e. video contract drawing),
Real-time video processing module of the thumbnail from video data processing device 20.Spectators are drawn by independently selection selection main perspective
Face, if what spectators were currently viewed is the live streaming of A view video stream, the visual angle B and the visual angle C then receive video data processing and set
Standby 20 thumbnails transmitted and display, the newest live streaming thumbnail at the visual angle periodic refreshing B/C, as shown in Figure 3a.If depending on
Angle is more, the thumbnail of multi-angle of view is showed spectators in turn using horse race lamp mode, as shown in Figure 3b.
Second step, event checking module are handled in real time.
The event monitoring module real-time reception multi-vision angle video image and audio signal of video data processing device 20, will regard
Frequency signal is decoded into YUV420 or YUV422 image, judges that driving event occurs based on image detection threshold test；By sound
Frequency signal type is decoded into pulse code modulation (Pulse Code Modulation, PCM) signal, is based on PCM waveform threshold
Value detection judges that driving event occurs.Once then issuing instruction information it was found that there is the event for meeting threshold value and being given to display equipment.
Judge that driving event is illustrated with the detection of image YUV420 detection threshold value, the scene switching for comparing former and later two GOP is closed
The difference of key frame (I frame) I1 and I2.Such as when there are two kinds of scenes of A and B, the sequence of scenes of continuous key frame is
AAAAAABBBAAAAAA, if the number of scenario B is less than preset value, then it is assumed that this is a flashing, not trigger event；When out
Scene as existing AAAAABBCCDDEEFFFFFF, it is same fixed if the picture number of these scenes of BB ... EE is less than preset value
Justice is flashing.And first F can then be treated as a scene switching and (because being below always F, not return to A or become
Other scenes).But if video flowing terminates before F, then being considered as scene switching without image, trigger event is not driven
It is dynamic.
The huge YUV pixel distribution difference of two I frames as shown in figures 6 a and 6b is more than threshold value, it is believed that is different
Scene, scene corresponding with the I frame that pixel distribution shown in Fig. 6 a is similar can be scenario A, with pixel shown in Fig. 6 b point
The corresponding scene of I frame can be considered as scenario B as dry goods, and when sequence of scenes is AAAAABBBBBBBB, the picture number of B is greater than
Preset value, then it is assumed that scene switching, such as grandstand occurrence of large-area pixel offset (football fan's disturbance) has occurred.
With the citing of PCM waveform threshold test, PCM signal value is mapped to the rectangular space of 32x32.With a certain period of time
The PCM signal of (identical as GOP length) is a frame audio signal, which is mapped to rectangular space, repeats to map
It then adds up to same area, the spatial distribution map of the audio signal frame is obtained with this.Using similar spatial distribution map as identical
The difference of the continuous audio signal frame of scene, relatively front and back, can carry out the judgement of scene switching or scene flashing, decision procedure
Similar with YUV420 detection threshold value, details are not described herein again.
Third step, event are reminded.
For the video surveillance at the visual angle B to when certain event occurs, event monitoring module push instruction information gives display equipment.Such as figure
Shown in 4a, the window border at the display equipment amplification display visual angle B makees flashing shape, and draws stream live streaming automatically, and spectators can be real-time
It is concerned about what the visual angle B has occurred.
In the case where seat in the plane (visual angle) quantity relatively mostly uses horse race lamp mode carousel, if the visual angle B is in outside screen,
Then as shown in Figure 4 b, the visual angle B is slided into screen area immediately, and suspend the automatic carousel of horse race lamp.
4th step is broadcasted.
After spectators click the visual angle B, as shown in Figure 5 b, B view video stream is switched in main screen at once, with A view video stream
Exchange.A view video stream enters smaller screen state.And after a certain time, the visual angle A stops drawing stream, into thumbnail state.
It can be seen that the embodiment of the invention provides a kind of multimachine position/multi-angle of view different video stream thumbnail is pre- in real time
The method look at.Further, the embodiment of the present invention also provides a kind of believing based on audio-video for multimachine position/multi-angle of view different video stream
Number focus incident detection method and focus incident automatic prompt method, so as to the display mode of abundant display equipment,
Improve the participation of user.
It is the flow diagram of video data handling procedure provided in an embodiment of the present invention referring to Fig. 8, Fig. 8.The present invention is real
The video data handling procedure for applying example offer can be applied to video data processing device.
As shown in figure 8, the video data handling procedure of the embodiment of the present invention may comprise steps of:
Step 801, the video flowing for obtaining the first visual angle and the second visual angle.
According at least one in the key video sequence frame and audio frame of aspect, it is prominent whether detection aspect has occurred
Hair event, the aspect include at least one visual angle in first visual angle and second visual angle；
In the case where detecting that emergency event has occurred in the aspect, instruction letter is sent to the display equipment
Emergency event has occurred in breath, the instruction information instruction aspect.
Optionally, at least one in the key video sequence frame and audio frame according to aspect, detects the target
Whether visual angle has occurred emergency event, comprising:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, the method also includes:
Obtain the first Pixel Information of the first key video sequence frame；
First Pixel Information is matched with the Pixel Information in Q default scenes, obtains Q matching value, Q is
Integer greater than 1；
To there is the default scene of maximum matching value, is determined as the corresponding scene of the first key video sequence frame；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
Optionally, at least one in the key video sequence frame and audio frame according to aspect, detects the target
Whether visual angle has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
It should be noted that whether video data processing device detection aspect occurs emergency event in the present embodiment
Show whether equipment detection aspect occurs the realization principle phase of emergency event in realization principle, with above method embodiment
Together, above method description is specifically referred to, to avoid repeating, details are not described herein again.
Embodiment of the present embodiment as video data processing device corresponding with above-mentioned display method embodiment, therefore,
It may refer to the related description in above-mentioned display method embodiment, and can achieve identical beneficial effect.In order to avoid repeating
Illustrate, details are not described herein.
Whether the video data handling procedure of the present embodiment, video data processing device detection aspect are happened suddenly
Event, and in the case where detecting that emergency event has occurred in the aspect, instruction information is sent to display equipment, it is described
Instruction information indicates that emergency event has occurred in the aspect.In this way, display equipment can export and the aspect pair
The prompt information answered, so as to facilitate user to understand emergency event.
It should be noted that in practical applications, display methods provided in an embodiment of the present invention can individually be implemented, it can also
Implemented with being combined with video data handling procedure provided in an embodiment of the present invention.
In the scene individually implemented, live broadcast system can not include video data processing device, as shown in Figure 1 b.Herein
In scene, display equipment can independently detect whether that emergency event has occurred in visual angle, detect that visual angle is happened suddenly
In the case where event, prompt information corresponding with the visual angle is exported.
In combining the scene implemented, live broadcast system may include video data processing device and display equipment, such as Fig. 1 a
It is shown.In this scene, following two embodiment can specifically include:
Embodiment one
Video data processing device has independently detected whether that emergency event has occurred in visual angle, is detecting that visual angle has occurred
In the case where emergency event, the instruction information for being used to indicate the visual angle and emergency event having occurred is sent to display equipment, so that aobvious
Show that equipment gets the visual angle and emergency event has occurred, and exports prompt information corresponding with the visual angle.
In the present embodiment, video data processing device has independently detected whether that emergency event has occurred in visual angle, display
Equipment is without independently having detected whether that emergency event has occurred in visual angle.
Embodiment two
Video data processing device has independently detected whether that emergency event has occurred in visual angle, is detecting that visual angle has occurred
In the case where emergency event, the instruction information for being used to indicate the visual angle and emergency event having occurred is sent to display equipment.In addition, aobvious
Show that equipment can also independently detect whether that emergency event has occurred in visual angle.
In the present embodiment, video data processing device and display equipment can independently detect whether visual angle
Emergency event.
It may include following two implementation when specific implementation.
Implementation one, display equipment only can detect same visual angle in video data processing device and display equipment
In the case where emergency event has occurred, just it is considered as the visual angle and emergency event has occurred, and exports prompt letter corresponding with the visual angle
Breath improves the fluency that user uses so as to improve the reliability of emergency event prompt.
Illustratively, in situation one, if display equipment detects that emergency event has occurred in visual angle A, but at video data
Reason equipment instruction information instruction visual angle B emergency event has occurred, then show equipment can be considered as do not have visual angle burst thing
Part.
In situation two, if display equipment detects that emergency event, the instruction of video data processing device has occurred in visual angle A
Emergency event has occurred in information instruction visual angle A, then shows that equipment gets visual angle A and emergency event has occurred, can export visual angle A
Corresponding prompt information.
In situation three, if display equipment detects that emergency event, the instruction of video data processing device has occurred in visual angle A
Emergency event has occurred in information instruction visual angle A and visual angle B, since video data processing device and display equipment detect visual angle
Emergency event has occurred in A, then shows that equipment gets visual angle A and emergency event has occurred, and can export the corresponding prompt letter of visual angle A
Breath.
Implementation two, display equipment can be in the case where itself have detected that emergency event has occurred in visual angle, or connect
Receive video data processing device transmission instruction information have visual angle that emergency event has occurred in the case where, being considered as has visual angle
Emergency event, and export prompt information.In this way, compared to implementation one, it is possible to prevente effectively from because video data processing is set
Standby or display equipment detection error, causes to show the case where equipment does not export prompt information.
Illustratively, in situation one, if display equipment detects that emergency event, video data processing has occurred in visual angle A
Equipment instruction information instruction visual angle B emergency event has occurred, then show equipment can be considered as visual angle A and visual angle B have occurred it is prominent
Hair event exports prompt information corresponding with visual angle A and visual angle B.
In situation two, if display equipment detects that emergency event, the instruction of video data processing device has occurred in visual angle A
Emergency event has occurred in information instruction visual angle A, then shows that equipment gets visual angle A and emergency event has occurred, can export visual angle A
Corresponding prompt information.
In situation three, if display equipment detects that emergency event, the instruction of video data processing device has occurred in visual angle A
Emergency event has occurred in information instruction visual angle A and visual angle B, then shows that equipment gets visual angle A and burst thing has occurred in visual angle B
Part exports prompt information corresponding with visual angle A and visual angle B.
It is one of the structure chart of display equipment provided in an embodiment of the present invention referring to Fig. 9, Fig. 9.As shown in figure 9, display is set
Standby 900 may include:
First obtains module 901, for obtaining the video flowing at the first visual angle and the video sampling data at the second visual angle；
Display module 902, for playing the corresponding video of video flowing at first visual angle in the first display area,
Two display areas show the corresponding video thumbnails picture of the video sampling data at second visual angle；
Output module 903, in the case where getting aspect emergency event having occurred, output and the target
The corresponding prompt information in visual angle, the aspect include at least one visual angle in first visual angle and second visual angle.
Optionally, equipment 900 is shown further include:
First detection module, it is defeated in the case where output module 903 gets aspect and emergency event has occurred
Out before prompt information corresponding with the aspect, according at least one in the key video sequence frame and audio frame of aspect
, detect whether the aspect has occurred emergency event.
Optionally, the first detection module, is specifically used for:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, the display equipment 900 further include:
Second obtains module, for obtaining the first Pixel Information of the first key video sequence frame；
Matching module is obtained for matching first Pixel Information with the Pixel Information in Q default scenes
Q matching value, Q are the integer greater than 1；
It is corresponding to be determined as the first key video sequence frame for that will have the default scene of maximum matching value for determining module
Scene；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
Optionally, the first detection module, is specifically used for:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
Display equipment 900 provided in an embodiment of the present invention, can execute above-mentioned display method embodiment, realization principle and
Technical effect is similar, and details are not described herein again for the present embodiment.
In embodiments of the present invention, display equipment can play the video at the first visual angle in the first display area, the
Two display areas show the video thumbnails picture at the second visual angle；And it can be in the feelings for getting aspect emergency event having occurred
Under condition, prompt information corresponding with the aspect is exported.In this way, the display mode of display equipment is not only enriched, it is convenient
User understands the case where multi-angle of view；Display equipment is also equipped with emergency event prompt facility, and user is facilitated to understand emergency event.
It is one of the structure chart of video data processing device provided in an embodiment of the present invention referring to Figure 10, Figure 10.Such as Figure 10
Shown, video data processing device 1000 may include:
Third obtains module 1001, for obtaining the video flowing at the first visual angle and the second visual angle；
Second detection module 1002, at least one in the key video sequence frame and audio frame according to aspect, inspection
Survey whether aspect has occurred emergency event, the aspect include in first visual angle and second visual angle at least
One visual angle；
Sending module 1003, for being shown to described in the case where detecting that emergency event has occurred in the aspect
Show that equipment sends instruction information, emergency event has occurred in the instruction information instruction aspect.
Optionally, second detection module, is specifically used for:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, second detection module, is specifically used for:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
It is real can to execute above-mentioned video data handling procedure for video data processing device 1000 provided in an embodiment of the present invention
Example is applied, it is similar that the realization principle and technical effect are similar, and details are not described herein again for the present embodiment.
In embodiments of the present invention, whether video data processing device detection aspect has occurred emergency event, and
In the case where detecting that emergency event has occurred in the aspect, instruction information, the instruction information are sent to display equipment
Indicate that emergency event has occurred in the aspect.In this way, display equipment can export prompt corresponding with the aspect
Information, so as to facilitate user to understand emergency event.
It is the two of the structure chart of display equipment provided in an embodiment of the present invention referring to Figure 11, Figure 11.As shown in figure 11, it shows
Equipment 1100 may include:
Processor 1101 executes following process for reading the program in memory 1102:
Obtain the video flowing at the first visual angle and the video sampling data at the second visual angle；
The corresponding video of video flowing at first visual angle is played in the first display area, shows institute in the second display area
State the corresponding video thumbnails picture of video sampling data at the second visual angle；
In the case where getting aspect emergency event having occurred, exports prompt corresponding with the aspect and believe
Breath, the aspect includes at least one visual angle in first visual angle and second visual angle.
Transceiver 1103, for sending and receiving data under the control of processing 1101.
Wherein, in Figure 11, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor
The various circuits for the memory that 1101 one or more processors represented and memory 1102 represent link together.Total coil holder
Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this
It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver
1103 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium
The unit of letter.Processor 1101 is responsible for management bus architecture and common processing, memory 1102 can store processor 1101
The used data when executing operation.
Processor 1101, which is responsible for management bus architecture and common processing, memory 1102, can store processor 1101 and exists
Execute used data when operation.
Optionally, processor 1101 is also used to read the computer program, executes following steps:
According at least one in the key video sequence frame and audio frame of aspect, detect whether the aspect occurs
Emergency event.
Optionally, processor 1101 is also used to read the computer program, executes following steps:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, processor 1101 is also used to read the computer program, executes following steps:
Obtain the first Pixel Information of the first key video sequence frame；
First Pixel Information is matched with the Pixel Information in Q default scenes, obtains Q matching value, Q is
Integer greater than 1；
To there is the default scene of maximum matching value, is determined as the corresponding scene of the first key video sequence frame；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
Optionally, processor 1101 is also used to read the computer program, executes following steps:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
Display equipment provided in an embodiment of the present invention can execute above method embodiment, realization principle and technology effect
Seemingly, details are not described herein again for the present embodiment for fruit.
It is the two of the structure chart of video data processing device provided in an embodiment of the present invention referring to Figure 12, Figure 12.Such as Figure 12
Shown, video data processing device 1200 may include:
Processor 1201 executes following process for reading the program in memory 1202:
Obtain the video flowing at the first visual angle and the second visual angle；
According at least one in the key video sequence frame and audio frame of aspect, it is prominent whether detection aspect has occurred
Hair event, the aspect include at least one visual angle in first visual angle and second visual angle；
In the case where detecting that emergency event has occurred in the aspect, set by transceiver 1203 to the display
Preparation send instruction information, and emergency event has occurred in the instruction information instruction aspect.
Transceiver 1203, for sending and receiving data under the control of processing 1201.
Wherein, in Figure 12, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor
The various circuits for the memory that 1201 one or more processors represented and memory 1202 represent link together.Total coil holder
Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this
It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver
1203 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium
The unit of letter.Processor 1201 is responsible for management bus architecture and common processing, memory 1202 can store processor 1201
The used data when executing operation.
Processor 1201, which is responsible for management bus architecture and common processing, memory 1202, can store processor 1201 and exists
Execute used data when operation.
Optionally, processor 1201 is also used to read the computer program, executes following steps:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, processor 1201 is also used to read the computer program, executes following steps:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
Video data processing device provided in an embodiment of the present invention can execute above method embodiment, realization principle
Similar with technical effect, details are not described herein again for the present embodiment.
In addition, the computer readable storage medium of the embodiment of the present invention, for storing computer program.
In a kind of situation, the computer program can be executed by processor and perform the steps of
Obtain the video flowing at the first visual angle and the video sampling data at the second visual angle；
The corresponding video of video flowing at first visual angle is played in the first display area, shows institute in the second display area
State the corresponding video thumbnails picture of video sampling data at the second visual angle；
In the case where getting aspect emergency event having occurred, exports prompt corresponding with the aspect and believe
Breath, the aspect includes at least one visual angle in first visual angle and second visual angle.
Optionally, described in the case where getting aspect emergency event having occurred, output and the aspect
Before corresponding prompt information, the method also includes:
According at least one in the key video sequence frame and audio frame of aspect, detect whether the aspect occurs
Emergency event.
Optionally, whether the detection aspect has occurred emergency event, comprising:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, the method also includes:
Obtain the first Pixel Information of the first key video sequence frame；
First Pixel Information is matched with the Pixel Information in Q default scenes, obtains Q matching value, Q is
Integer greater than 1；
To there is the default scene of maximum matching value, is determined as the corresponding scene of the first key video sequence frame；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
Optionally, whether the detection aspect has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
In another situation, the computer program can be executed by processor and perform the steps of
Obtain the video flowing at the first visual angle and the second visual angle；
According at least one in the key video sequence frame and audio frame of aspect, it is prominent whether detection aspect has occurred
Hair event, the aspect include at least one visual angle in first visual angle and second visual angle；
In the case where detecting that emergency event has occurred in the aspect, instruction letter is sent to the display equipment
Emergency event has occurred in breath, the instruction information instruction aspect.
Optionally, whether the detection aspect has occurred emergency event, comprising:
Detecting that the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame is different
In the case of, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the target view is determined
Emergency event has occurred in angle；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；
The key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
Optionally, whether the detection aspect has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
Obtain first map information and the mesh of i-th of audio frame in the default matrix of the aspect
Mark second map information of the i+1 audio frame in the default matrix at visual angle；
In the case where the matching value of first map information and second map information is greater than preset value, institute is determined
It states aspect and emergency event has occurred.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be through some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes display methods described in each embodiment of the present invention
Part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. are various can store program
The medium of code.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of display methods is applied to display equipment, which is characterized in that the described method includes:
Obtain the video flowing at the first visual angle and the video sampling data at the second visual angle；
The corresponding video of video flowing at first visual angle is played in the first display area, shows described in the second display area
The corresponding video thumbnails picture of the video sampling data at two visual angles；
In the case where getting aspect emergency event having occurred, prompt information corresponding with the aspect is exported,
The aspect includes at least one visual angle in first visual angle and second visual angle.
2. the method according to claim 1, wherein described have occurred emergency event getting aspect
In the case of, before exporting prompt information corresponding with the aspect, the method also includes:
According in the key video sequence frame and audio frame of aspect at least one of, detect the aspect whether have occurred it is prominent
Hair event.
3. according to the method described in claim 2, it is characterized in that, the key video sequence frame and audio frame according to aspect
At least one of in, detect whether the aspect has occurred emergency event, comprising:
Detecting the different situation of the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame
Under, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the aspect hair is determined
Emergency event is given birth to；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；It is described
Key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
Obtain the first Pixel Information of the first key video sequence frame；
Pixel Information in first Pixel Information and Q default scenes is matched, obtains Q matching value, Q for greater than
1 integer；
To there is the default scene of maximum matching value, is determined as the corresponding scene of the first key video sequence frame；
Wherein, the first key video sequence frame is any key video sequence frame of the aspect.
5. according to the method described in claim 2, it is characterized in that, the key video sequence frame and audio frame according to aspect
At least one of in, detect whether the aspect has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
I-th of audio frame for obtaining the aspect is regarded in the first map information of the default matrix and the target
Second map information of the i+1 audio frame at angle in the default matrix；
In the case where the matching value of first map information and second map information is greater than preset value, the mesh is determined
Emergency event has occurred in mark visual angle.
6. a kind of video data handling procedure is applied to video data processing device, which is characterized in that the described method includes:
Obtain the video flowing at the first visual angle and the second visual angle；
According at least one in the key video sequence frame and audio frame of aspect, whether detection aspect has occurred burst thing
Part, the aspect include at least one visual angle in first visual angle and second visual angle；
In the case where detecting that emergency event has occurred in the aspect, instruction information, the finger are sent to display equipment
Show that information indicates that emergency event has occurred in the aspect.
7. according to the method described in claim 6, it is characterized in that, the key video sequence frame and audio frame according to aspect
At least one of in, detect whether the aspect has occurred emergency event, comprising:
Detecting the different situation of the corresponding scene of i-th of key video sequence frame scene corresponding from i+1 key video sequence frame
Under, detection whether there is target critical video frame since M key video sequence frame i+1 key video sequence frame；
In the case where the target critical video frame is not present in the M key video sequence frame, the aspect hair is determined
Emergency event is given birth to；
Wherein, the corresponding scene of target critical video frame scene corresponding with i-th of key video sequence frame is identical；It is described
Key video sequence frame is the key video sequence frame of the aspect；M is the integer greater than 1.
8. according to the method described in claim 6, it is characterized in that, the key video sequence frame and audio frame according to aspect
At least one of in, detect whether the aspect has occurred emergency event, comprising:
Audio signal each in the audio frame of the aspect is mapped into default matrix；
I-th of audio frame for obtaining the aspect is regarded in the first map information of the default matrix and the target
Second map information of the i+1 audio frame at angle in the default matrix；
In the case where the matching value of first map information and second map information is greater than preset value, the mesh is determined
Emergency event has occurred in mark visual angle.
9. a kind of display equipment, comprising: transceiver, memory, processor and be stored on the memory and can be at the place
The computer program run on reason device；It is characterized in that, the processor, realizes such as right for reading the program in memory
It is required that the step in method described in any one of 1 to 5.
10. a kind of video processing equipment, comprising: transceiver, memory, processor and be stored on the memory and can be in institute
State the computer program run on processor；It is characterized in that, the processor, is realized such as reading the program in memory
Step in method described in any one of claim 6 to 8.
11. a kind of computer readable storage medium, for storing computer program, which is characterized in that the computer program quilt
The step in the method as described in any one of claims 1 to 5 is realized when processor executes, or, as in claim 6 to 8
Step in described in any item methods.
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