CN108924453A - Pushing video streaming method and system, reporting unit - Google Patents
Pushing video streaming method and system, reporting unit Download PDFInfo
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- CN108924453A CN108924453A CN201810630472.3A CN201810630472A CN108924453A CN 108924453 A CN108924453 A CN 108924453A CN 201810630472 A CN201810630472 A CN 201810630472A CN 108924453 A CN108924453 A CN 108924453A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/915—Television signal processing therefor for field- or frame-skip recording or reproducing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The present invention provides a kind of pushing video streaming method and system, reporting unit, and this method includes：Store streetscape video and streetscape coordinate information；Receive the location information of the terminal of the first user；According to location information and streetscape coordinate information, streetscape video data corresponding with location information is obtained from streetscape video；Streetscape video data is pushed to the terminal of second user.Pushing video streaming method and system provided by the invention, the technical solution of reporting unit can be quickly found out the personnel of wandering away, and guide needing the personnel of indoor navigation, guide to visitors to provide travelling route, and the article with regard to visiting carries out interactive explanation etc..
Description
Technical field
The present invention relates to fields of communication technology, and in particular, to a kind of pushing video streaming method and system, reporting unit.
Background technique
The elderly and the case where children loss, happen occasionally, though the personnel that wander away with positioning device (such as smart phone),
But often due to the complexity of environment locating for the personnel that wander away (flow of the people is big), such personnel tend not to that oneself is quickly depicted in addition
Periphery is significant or feature is significantly built or object, and rescuer is caused not found quickly.
In addition, business premises are much modernized, such as the large-scale public transit facility in megastore or airport station, in
Structure is complicated in portion, and floor is more, and entrance is more.The personnel for first entering the scene cannot be quickly found out correct row in many cases
Route line, such as the interline counter etc. on airport cannot be quickly found.
In addition, room is more for large-scale museum, and structure is similar, and showpiece quantity is more.Visit personnel, many times cannot
Accurately know the location of oneself, does not also know the details for the showpiece oneself visited.Simple passes through earphone
The experience for listening to fixed showpiece introduction recording can not fully meet the demand of visitor.
In conclusion need a kind of method at present, it can be quickly found out the personnel of wandering away, and to needing indoor navigation, lead
The personnel look at provide travelling route and guide, and the article with regard to visiting carries out interactive explanation etc..
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of pushing video streaming side is proposed
Method and system, reporting unit can be quickly found out the personnel of wandering away, and to the personnel's offer row for needing indoor navigation, guide to visitors
Into route guiding, and the article with regard to visiting carries out interactive explanation etc..
A kind of pushing video streaming method is provided to achieve the purpose of the present invention, including：
Store streetscape video and streetscape coordinate information；
Receive the location information of the terminal of the first user；
According to the positional information with streetscape coordinate information, obtained from the streetscape video opposite with the location information
The streetscape video data answered；
The streetscape video data is pushed to the terminal of second user.
Optionally, while carrying out the step of the storage streetscape video and streetscape coordinate information, further include：
Acquire the travel speed of recording arrangement；
While carrying out the step of location information of the terminal for receiving the first user, further include：
Receive the movement speed of the terminal of first user；
While carrying out the step of the terminal that the streetscape video data is pushed to second user, further include：
According to the mobile speed of the terminal of corresponding first user of the travel speed of the recording arrangement and position
The difference of degree is compensated or is deleted to the frame number of the streetscape video data.
Optionally, the end according to corresponding first user of the travel speed of the recording arrangement and position
The difference of the movement speed at end, the step of the frame number of the streetscape video data is compensated or is deleted, including：
Judge whether the travel speed of the recording arrangement is greater than the movement speed of the terminal of first user；If so,
It is P × [(V that quantity is then inserted into the streetscape video datak/Vu) -1] and frame；If it is not, then deleting the streetscape video data
Middle quantity is P × [1- (Vk/Vu)] frame；
Wherein, P is the coding frame per second of the streetscape video, and unit is frame number/per second；VkIt is the recording arrangement a certain
Travel speed at the L of position；VuThe movement speed at the L of the position is moved to for the terminal of first user.
Optionally, the end according to corresponding first user of the travel speed of the recording arrangement and position
The difference of the movement speed at end further includes the step of the frame number of the streetscape video data is compensated or deleted：
Judge the direction of travel of the recording arrangement and the terminal of first user moving direction whether on the contrary, if
It is that then inverted order pushes the streetscape video data.
Optionally, it is described acquisition recording arrangement travel speed the step of in,
Sample frequency is set, so that the streetscape video is one corresponding at interval of there is a key frame in N number of key frame
The travel speed；N is natural number.
Optionally, while carrying out the step of the storage streetscape video and streetscape coordinate information, further include：
Store the height above sea level of the boundary horizontal coordinate of building and the outlet of building and entrance.
Optionally, the location information of the terminal of first user includes position coordinates (x, y, z, h)；
Wherein, x and y is orthogonal both direction on horizontal plane；Z is height above sea level；H is the end of first user
Hold the height at interior and the difference in height between building ground level.
As another technical solution, the present invention also provides a kind of pushing video streaming systems, including：
Storage unit, for storing streetscape video and streetscape coordinate information；
Receiving unit, the location information of the terminal for receiving the first user；
Push unit is used for according to the positional information with streetscape coordinate information, acquisition and institute from the streetscape video
The corresponding streetscape video data of rheme confidence manner of breathing, and the streetscape video data is pushed to the terminal of second user.
Optionally, the storage unit is also used to store the travel speed of collected recording arrangement；
The receiving unit is also used to receive the movement speed of the terminal of first user；
The pushing video streaming system further includes：
Compensating unit, for according to corresponding first user's of the travel speed of the recording arrangement and position
The difference of the movement speed of terminal is compensated or is deleted to the frame number of the streetscape video data.
As another technical solution, the present invention also provides a kind of reporting units, which is characterized in that is mounted on described first
The terminal of user, for first as described in reporting the receiving unit in above-mentioned pushing video streaming system provided by the invention
The location information and movement speed of the terminal of user.
The invention has the advantages that：
In pushing video streaming method and system provided by the invention, the technical solution of reporting unit, storage streetscape video and
Streetscape coordinate information, and receive the first user's (such as the personnel that wander away, need indoor navigation personnel, need indoor guide to visitors personnel)
The location information of terminal；Then, it according to location information and streetscape coordinate information, is obtained from streetscape video opposite with location information
The streetscape video data answered, and the streetscape video data is pushed into second user and (such as is set in rescuer, communal facility
Attendant, museum professional interpretation staff) terminal.In this way, second user can accurately be looked for according to the streetscape video data
To the first user, so as to provide corresponding help, for example, being quickly found out the personnel of wandering away, providing travelling route and guide, just just
Interactive explanation is carried out in the article of visit.
Detailed description of the invention
Fig. 1 is the flow diagram for the pushing video streaming method that first embodiment of the invention provides；
Fig. 2 is the flow diagram for the pushing video streaming method that second embodiment of the invention provides；
Fig. 3 is the functional block diagram for the pushing video streaming system that third embodiment of the invention provides；
Fig. 4 is the functional block diagram for the pushing video streaming system that fourth embodiment of the invention provides.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, come with reference to the accompanying drawing to the present invention
Pushing video streaming method and system, the reporting unit of offer are described in detail.
Referring to Fig. 1, the pushing video streaming method that first embodiment of the invention provides comprising：
S101 stores streetscape video and streetscape coordinate information.
Optionally, streetscape video includes public business premises indoor setting, residential area public domain, public domain in residential building
Scene on (such as stair pavement), public elevator indoor setting, rotating ladder.Also, streetscape can distinguish lane, which includes：Machine
Motor-car road, non-motorized lane, pedestrian's pavement etc..
In addition, streetscape can be panorama.
Optionally, the recording arrangement acquisition video of video camera, camera etc. can be used in streetscape video.
Optionally, video is acquired on different lanes, recording arrangement can be made to be adopted using different travel speeds
Collection, so that the travel speed can be close to the movement speed of the terminal of the first user.
For example, movement speed of the first user walking on pedestrian's pavement is slower, therefore, video is acquired on pedestrian's pavement
When, recording arrangement can be made to be acquired using the travel speed of 5 kilometers (threshold value can be set) per hour.For another example, in non-machine
On motor-car road, the first user often rides the non-motor vehicles such as bicycle, therefore, can when acquiring video on non-motorized lane
So that recording arrangement is acquired using the travel speed of 15 kilometers (threshold value can be set) per hour.For another example, in car lane
On, often therefore operating motor vehicles when acquiring video on car lane, for road in city, can make to record the first user
Control equipment is acquired using the travel speed of 40 kilometers (threshold value can be set) per hour；For city expressway, can make
Recording arrangement is acquired using the travel speed of 80 kilometers (threshold value can be set) per hour；For highway, can make
Recording arrangement is acquired using the travel speed of 100 kilometers (threshold value can be set) per hour.
Optionally, while carrying out above-mentioned steps S101, further include：
Store the height above sea level of the boundary horizontal coordinate of building and the outlet of building and entrance.
Particularly, for the building with the sinking style of court yard, the sinking style of court yard can be included by boundary coordinate, and
And entrance includes the sinking style of court yard to the entrance outside building.
S102 receives the location information of the terminal of the first user.
Here, the first user is, for example, the personnel that wander away, needs indoor navigation personnel, needs interior guide to visitors personnel etc..The
The terminal of one user can be the smart machine of mobile phone, tablet computer that the first user holds etc., or be also possible to
The walking-replacing tool with positioning function of one user, such as automobile.
Optionally, the location information of the terminal of the first user includes position coordinates (x, y, z, h)；Wherein, x and y is level
Orthogonal both direction on face；Z is height above sea level；H be the terminal of first user indoors when height and building
Difference in height between plane.
For above-mentioned difference in height h, when can be detected by terminal obtained from body movement velocity and movement in vertical direction
Between, to calculate the numerical value of difference in height h, this numerical value can be used to assess what the first user stopped in closed elevator
The operating status (static, uplink, downlink) of time and elevator.When in outdoor, difference in height h is equal to 0.
S103 is obtained from streetscape video according to the location information and streetscape coordinate information of the terminal of above-mentioned first user
Streetscape video data corresponding with the location information.
That is, obtaining the streetscape video that the first user is presently in position.
The streetscape video data can be the panoramic video stream comprising four horizontal directions in front, rear, left and right.
Streetscape video data is pushed to the terminal of second user by S104.
Here, second user is, for example, rescuer, the attendant, the museum professional interpretation staff that set in communal facility etc.
Deng.When second user sees video, help can be provided to the first user, the mode of help for example, rushes towards scene immediately,
Or guide is provided by modes such as phone, video communications.In addition, second user can also guide the first user according to video
Specific terrestrial reference is reached, such as the time direction board in subway station.It is then possible to be reported using the terminal of the first user new
The original position information of reservation is calibrated in position, so that guiding service is finer in next step.
Optionally, the terminal of second user can be video playback apparatus.
Referring to Fig. 2, the pushing video streaming method that second embodiment of the invention provides comprising：
S201 stores streetscape video and streetscape coordinate information, while acquiring the travel speed of recording arrangement.
Optionally, in step s 201, set the sample frequency of recording arrangement so that streetscape video at interval of N number of pass
There is the corresponding travel speed of a key frame in key frame；N is natural number.Thus, it is possible to make the travel speed of recording arrangement with
The key frame of Video coding forms corresponding relationship, so as to be presently in the corresponding street in position according to the terminal of the first user
The key frame of scape video obtains the travel speed of corresponding recording arrangement, and then the subsequent traveling speed that can be realized recording arrangement
The comparison of the movement speed of the terminal of degree and corresponding first user in position.
For example, the sample frequency of recording arrangement is 1 time per second (threshold value can be set).Assuming that Video coding is per second 24
Frame, and a key frame is had in every 12 frame, in this case, the travel speed of recording arrangement and the key of Video coding
The corresponding relationship of frame is：There is the corresponding travel speed information of a key frame in every two key frame.Specific corresponding to side
Formula can be simple sequential counting and correspond to, or can also be using travel speed information as a part of direct coding of key frame
Into key frame.
S202 receives the location information of the terminal of the first user, while receiving the movement speed of the terminal of the first user.
The motion state of the terminal of first user include horizontal displacement, vertical displacement, horizontal and vertical directions simultaneously
It is subjected to displacement and rotary motion etc..In addition, the motion state can be detected by the built-in gyroscope of terminal.Then by
The reporting unit of installation at the terminal reports.The reporting unit can be an application program, or be also possible to special equipment
On software.
Optionally, movement speed can be expressed as (Vx, Vy, Vz, Vh).Wherein, Vx, Vy, Vz are respectively positive East and West direction, just
North-south and perpendicular to the velocity magnitude on these three directions of the direction on ground.Wherein, Vx, which is greater than 0, indicates movement speed eastwards；
Vx indicates movement speed westwards less than 0；Vy, which is greater than 0, indicates movement speed northwards；Vy indicates that movement speed is to the south less than 0；Vz is big
Movement speed is indicated vertically upward in 0；Vz indicates movement speed vertically downward less than 0.Vh indicates to enter room as the first user
After interior, the movement velocity in vertical direction that detects.
Furthermore it is possible to actively obtain the location information and movement state information of the terminal of the first user.For example, being easy to wander away
The family members of personnel actively pre-register the identification information for being easy to the personnel of wandering away, such as phone number, and acquisition is authorized to be easy to wander away
The location information of personnel.In this case, second user can be family members, friend etc..
Alternatively, can be with the location information of the spare terminal for obtaining the first user.For example, under indoor guide to visitors scene, first
User actively submits the location information and movement state information of oneself to platform.In this case, second user is that backstage is led
Look at attendant.
S203 is obtained from streetscape video according to the location information and streetscape coordinate information of the terminal of above-mentioned first user
Streetscape video data corresponding with the location information.
Streetscape video data, is pushed to the terminal of second user by S204, at the same according to the travel speed of recording arrangement and
The difference of the movement speed of the terminal of corresponding first user in position, the frame number of streetscape video data is compensated or
It deletes.
Due to the difference of the travel speed of recording arrangement and the movement speed of the terminal of corresponding first user in position,
It, can be to the frame number of streetscape video data in order to guarantee that second user can more intuitively experience the movement speed of the first user
It compensates or deletes.
Specifically, above-mentioned steps S204, including：
Judge whether the travel speed of recording arrangement is greater than the movement speed of the terminal of the first user；If so, in streetscape
It is P × [(V that quantity is inserted into video datak/Vu) -1] and frame；If it is not, then deleting quantity in streetscape video data is P × [1-
(Vk/Vu)] frame.
Wherein, P is the coding frame per second of streetscape video, and unit is frame number/per second；VkIt is recording arrangement at a certain position L
Travel speed；VuThe movement speed at the L of the position is moved to (with the direction of travel for recording collection equipment for the terminal of the first user
Identical velocity component).
For the travel speed V of recording arrangementkGreater than the movement speed V of the terminal of the first useruThe case where, it is assumed that it is adopting
When collecting video information, the movement speed V of recording arrangementkIt is 20 meters per second；Video coding rate P is 24 frame per second；First user
Movement speed VuIt is 3 meters per second.It then needs to be inserted into the frame that quantity is 24 × [(20/3) -1]=24 × 6.7=136.8, is rounded
It is inserted into 137 frames altogether afterwards.In actual play, each frame picture of video is averagely played 6.7 times.
For the travel speed V of recording arrangementkLess than the movement speed V of the terminal of the first useruThe case where, it is assumed that acquisition
When video information, the movement speed V of recording arrangementkIt is 1 meter per second；Video coding rate P is 10 frame per second；The shifting of first user
Dynamic speed Vu is 20 meters per second, then needs to delete the frame that quantity is 10 × [1- (1/20)]=10 × 0.95=9.5, that is, average
Need to delete 19 frame images within every 2 seconds.When deletion, non-key frame is preferentially deleted, is retained crucial for the I frame of time interval with 2 seconds
Frame.
For the travel speed V of recording arrangementkEqual to the movement speed V of the terminal of the first useruThe case where, it can not be right
The frame number of streetscape video data is compensated or is deleted.
Optionally, above-mentioned steps S204 further includes：
Judge the moving direction of the direction of travel of recording arrangement and the terminal of the first user whether on the contrary, if so, inverted order
Push streetscape video data.
In addition, not related to if the movement speed of the first user has velocity component on the direction different from recording arrangement
And in the case where transformation travel lane, this speed (vector) difference can be ignored；If being related to changing Lane, needing to become
When changing trains, another set video is selected to be pushed.
In conclusion pushing video streaming method provided by the invention, can make second user according to the streetscape video data
The first user is correctly found, so as to provide corresponding help, for example, being quickly found out the personnel of wandering away, providing travelling route
It guides, interactive explanation is carried out with regard to the article visited.
As another technical solution, referring to Fig. 3, third embodiment of the invention also provides a kind of pushing video streaming system
System comprising：
Storage unit 1, for storing streetscape video and streetscape coordinate information.Streetscape video can by such as video camera or
The recording arrangements such as camera are acquired.
Receiving unit 2, the location information of the terminal for receiving the first user.The location information can be by being mounted on terminal
On reporting unit report.The reporting unit can be an application program, or the software being also possible on special equipment.
Push unit 3, for being obtained and location information phase from streetscape video according to location information and streetscape coordinate information
Corresponding streetscape video data, and streetscape video data is pushed to the terminal of second user.
Pushing video streaming system provided by the invention can be such that second user is correctly found according to the streetscape video data
First user, so as to provide corresponding help, for example, being quickly found out the personnel of wandering away, providing travelling route and guide, just
The article of visit carries out interactive explanation.
Referring to Fig. 4, the pushing video streaming system that fourth embodiment of the invention provides, is in above-mentioned 3rd embodiment
On the basis of the improvement done, specifically, storage unit 1 is also used to store the travel speed of collected recording arrangement.It receives single
Member 2 is also used to receive the movement speed of the terminal of the first user.The movement speed and direction can be by the built-in gyroscopes of terminal
It is detected, and receiving unit 2 is reported to by above-mentioned reporting unit.
Moreover, pushing video streaming system further includes：
Compensating unit 4, for according to the terminal of corresponding first user of the travel speed of recording arrangement and position
The difference of movement speed is compensated or is deleted to the frame number of streetscape video data.In this way, second user can be allow more
Intuitively experience the movement speed of the first user.
As another technical solution, fifth embodiment of the invention also provides a kind of reporting unit, is mounted on the first use
The terminal at family reports the first user for the receiving unit 2 into the pushing video streaming system that fourth embodiment of the invention provides
Terminal location information and movement speed.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of pushing video streaming method, which is characterized in that including：
Store streetscape video and streetscape coordinate information；
Receive the location information of the terminal of the first user；
According to the positional information with streetscape coordinate information, obtained from the streetscape video corresponding with the location information
Streetscape video data；
The streetscape video data is pushed to the terminal of second user.
2. pushing video streaming method according to claim 1, which is characterized in that carrying out the storage streetscape video and street
While the step of scape coordinate information, further include：
Acquire the travel speed of recording arrangement；
While carrying out the step of location information of the terminal for receiving the first user, further include：
Receive the movement speed of the terminal of first user；
While carrying out the step of the terminal that the streetscape video data is pushed to second user, further include：
According to the movement speed of the terminal of corresponding first user of the travel speed of the recording arrangement and position
Difference is compensated or is deleted to the frame number of the streetscape video data.
3. pushing video streaming method according to claim 2, which is characterized in that the traveling according to the recording arrangement
The difference of the movement speed of speed and the terminal of corresponding first user in position, to the frame of the streetscape video data
The step of number is compensated or is deleted, including：
Judge whether the travel speed of the recording arrangement is greater than the movement speed of the terminal of first user；If so,
It is P × [(V that quantity is inserted into the streetscape video datak/Vu) -1] and frame；If it is not, then deleting number in the streetscape video data
Amount is P × [1- (Vk/Vu)] frame；
Wherein, P is the coding frame per second of the streetscape video, and unit is frame number/per second；VkIt is the recording arrangement in a certain position L
The travel speed at place；VuThe movement speed at the L of the position is moved to for the terminal of first user.
4. pushing video streaming method according to claim 3, which is characterized in that the traveling according to the recording arrangement
The difference of the movement speed of speed and the terminal of corresponding first user in position, to the frame of the streetscape video data
The step of compensating or deleting is counted, further includes：
Judge the direction of travel of the recording arrangement and the terminal of first user moving direction whether on the contrary, if so,
Inverted order pushes the streetscape video data.
5. pushing video streaming method according to claim 2, which is characterized in that in the traveling speed of the acquisition recording arrangement
In the step of spending,
Set sample frequency so that the streetscape video at interval of have in N number of key frame key frame it is one corresponding described in
Travel speed；N is natural number.
6. pushing video streaming method according to claim 1, which is characterized in that carrying out the storage streetscape video and street
While the step of scape coordinate information, further include：
Store the height above sea level of the boundary horizontal coordinate of building and the outlet of building and entrance.
7. pushing video streaming method according to claim 1, which is characterized in that believe the position of the terminal of first user
Breath includes position coordinates (x, y, z, h)；
Wherein, x and y is orthogonal both direction on horizontal plane；Z is height above sea level；H is that the terminal of first user exists
Difference in height between height when indoor and building ground level.
8. a kind of pushing video streaming system, which is characterized in that including：
Storage unit, for storing streetscape video and streetscape coordinate information；
Receiving unit, the location information of the terminal for receiving the first user；
Push unit, for streetscape coordinate information, being obtained and institute's rheme from the streetscape video according to the positional information
The corresponding streetscape video data of confidence manner of breathing, and the streetscape video data is pushed to the terminal of second user.
9. pushing video streaming system according to claim 8, which is characterized in that the storage unit is also used to store acquisition
The travel speed of the recording arrangement arrived；
The receiving unit is also used to receive the movement speed of the terminal of first user；
The pushing video streaming system further includes：
Compensating unit, for the terminal according to corresponding first user of the travel speed of the recording arrangement and position
Movement speed difference, the frame number of the streetscape video data is compensated or is deleted.
10. a kind of reporting unit, which is characterized in that be mounted on the terminal of first user, be used for as claimed in claim 9
Pushing video streaming system in the receiving unit report first user terminal location information and movement speed.
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Application publication date: 20181130 |