CN111145561A - Video delivery method, device and system, screen delivery workstation and readable storage medium - Google Patents
Video delivery method, device and system, screen delivery workstation and readable storage medium Download PDFInfo
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- CN111145561A CN111145561A CN201911422638.3A CN201911422638A CN111145561A CN 111145561 A CN111145561 A CN 111145561A CN 201911422638 A CN201911422638 A CN 201911422638A CN 111145561 A CN111145561 A CN 111145561A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
Abstract
The invention provides a video delivery method, a device, a system, a screen delivery workstation and a readable storage medium, and relates to the technical field of video processing. The method comprises the following steps: acquiring a video stream list, wherein the video stream list comprises identification information of road video stream data acquired by a plurality of video acquisition devices, and the identification information is used for identifying roads in a traffic network; respectively acquiring road video stream data corresponding to at least one target identification information from a video server according to at least one target identification information in a plurality of identification information in a video stream list; and releasing the road video stream data to the video display screen so that the video display screen plays the road video stream data. By selecting the target identification information from the video stream list, acquiring the corresponding road video stream data according to the target identification information, and finally playing the acquired road video stream data through the video display screen, the content played by the video display screen is increased, and the relevance between the video display screen and a user is improved.
Description
Technical Field
The invention relates to the technical field of video processing, in particular to a video delivery method, a device, a system, a screen delivery workstation and a readable storage medium.
Background
With the continuous development of the expressway, not only can each road in the expressway be monitored, but also a display screen can be installed in a service area.
In the related art, a display screen in a service area generally receives travel information sent by a monitoring center and displays the received travel information, so that the received travel information is displayed to each user in the service area, and the user is informed of the corresponding travel information.
However, the utilization of the display screen is not sufficient, and there is a need to increase the content displayed on the display screen and to strengthen the association between the user and the display screen.
Disclosure of Invention
The present invention is directed to provide a video delivery method, device, system, screen-projecting workstation and readable storage medium, which overcome the above-mentioned shortcomings in the prior art.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a video delivery method, where the method includes:
acquiring a video stream list, wherein the video stream list comprises identification information of road video stream data acquired by a plurality of video acquisition devices, and the identification information is used for identifying roads in a traffic network;
according to at least one target identification information in the video stream list, acquiring road video stream data corresponding to at least one target identification information from a video server respectively;
and releasing the road video stream data to a video display screen so that the video display screen plays the road video stream data.
Optionally, the method further includes:
acquiring road vehicle statistical data corresponding to at least one piece of target identification information;
and releasing the road vehicle statistical data to the video display screen so that the video display screen plays the road vehicle statistical data.
Optionally, the road vehicle statistical data includes: vehicle passing information in a preset time period and/or real-time average vehicle speed information.
Optionally, the method further includes:
receiving alarm information sent by a video server, wherein the alarm information is used for indicating that a vehicle in the road has a violation event;
acquiring an alarm image corresponding to the alarm information from a file server according to the alarm information;
and releasing the alarm information and the alarm image to the video display screen so that the video display screen plays the alarm information and the alarm image.
Optionally, the obtaining, according to the alarm information, an alarm image corresponding to the alarm information from a file server includes:
extracting an image path from the alarm information, wherein the image path is a path for storing the alarm image by the file server;
sending an image acquisition request to the file server, wherein the image acquisition request comprises the image path, and the image acquisition request is used for indicating the file server to search and feed back the alarm image according to the image path;
and receiving the alarm image returned by the file server.
Optionally, the alarm information includes: at least one of a type of the alarm event, a time of occurrence of the event, and a location of occurrence of the event.
In a second aspect, an embodiment of the present invention further provides a video delivery apparatus, where the apparatus includes:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a video stream list, the video stream list comprises identification information of road video stream data acquired by a plurality of video acquisition devices, and the identification information is used for identifying roads in a traffic network;
the second acquisition module is used for acquiring road video stream data corresponding to at least one piece of target identification information from a video server according to at least one piece of target identification information in the video stream list;
and the first playing module is used for releasing the road video stream data to a video display screen so as to enable the video display screen to play the road video stream data.
Optionally, the apparatus further comprises:
the third acquisition module is used for acquiring road vehicle statistical data corresponding to at least one piece of target identification information;
and the second playing module is used for releasing the road vehicle statistical data to the video display screen so as to enable the video display screen to play the road vehicle statistical data.
Optionally, the road vehicle statistical data includes: vehicle passing information in a preset time period and/or real-time average vehicle speed information.
Optionally, the apparatus further comprises:
the receiving module is used for receiving alarm information sent by the video server, and the alarm information is used for indicating that the vehicles in the road have violation events;
the fourth acquisition module is used for acquiring an alarm image corresponding to the alarm information from a file server according to the alarm information;
and the third playing module is used for releasing the alarm information and the alarm image to the video display screen so as to enable the video display screen to play the alarm information and the alarm image.
Optionally, the fourth obtaining module is further configured to extract an image path from the warning information, where the image path is a path in which the file server stores the warning image; sending an image acquisition request to the file server, wherein the image acquisition request comprises the image path, and the image acquisition request is used for indicating the file server to search and feed back the alarm image according to the image path; and receiving the alarm image returned by the file server.
Optionally, the alarm information includes: at least one of a type of the alarm event, a time of occurrence of the event, and a location of occurrence of the event.
In a third aspect, an embodiment of the present invention further provides a screen projection workstation, including: a processor, a storage medium and a bus, the storage medium storing machine-readable instructions executable by the processor, the processor and the storage medium communicating via the bus when the screen-casting workstation is running, the processor executing the machine-readable instructions to perform the steps of the video casting method according to any one of the first aspect.
In a fourth aspect, the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the video delivery method according to any one of the first aspect are performed.
In a fifth aspect, an embodiment of the present invention further provides a video delivery system, where the system includes: video acquisition equipment, a video server, a file server, a video display screen and the screen projection workstation in the third aspect;
the video server is respectively connected with the video acquisition equipment, the file server and the screen projection workstation through links, and the screen projection workstation is also connected with the video display screen through links.
The invention has the beneficial effects that:
according to the method and the device, the video stream list is obtained, the road video stream data corresponding to at least one target identification information is obtained from the video server respectively according to at least one target identification information in the plurality of identification information in the video stream list, and then the road video stream data is released to the video display screen, so that the video display screen plays the road video stream data. By selecting the target identification information from the video stream list, acquiring the corresponding road video stream data according to the target identification information, and finally playing the acquired road video stream data through the video display screen, the content played by the video display screen is increased, and the relevance between the video display screen and a user is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a video delivery system according to a video delivery method provided by the present invention;
fig. 2 is a schematic flowchart of a video delivery method according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a video delivery method according to another embodiment of the present invention;
fig. 4 is a schematic view of a playing interface of a video display screen according to an embodiment of the present invention;
fig. 5 is a schematic view of a video delivery apparatus according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a video delivery apparatus according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a video delivery apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a screen projection workstation according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a video delivery system according to a video delivery method provided by the present invention; as shown in fig. 1, the system includes: video capture device 110, video server 120, file server 130, screen projection workstation 140, and video presentation screen 150.
The video server 120 is respectively connected with the video capture device 110, the file server 130 and the screen projection workstation 140 through links, and the screen projection workstation 140 can also be connected with the video display screen 150 through links.
In order to improve the interaction between the user and the video display screen 150 and increase the information that the user knows from the video display screen 150, the road video stream collected by the video collecting device 110 may be delivered to the video display screen 150, the road video stream may be played through the video display screen 150, and the road vehicle statistical data, the warning information and the warning image obtained by analyzing the video server 120 may be displayed through the video display screen 150.
In an alternative embodiment, the video capture device 110 may send the captured road video stream data to the video server 120, and the video server 120 may forward the received road video stream data to the screen-casting workstation 140 according to a request sent by the screen-casting workstation 140, and forward the road video stream data to the video display screen 150 by the screen-casting workstation 140, so as to play the road video stream data through the video display screen 150.
Moreover, the video server 120 may perform identification analysis on the received road video stream data, perform statistical analysis on vehicles traveling on the road, identify vehicles violating the regulations, generate warning information and warning images, store the warning images in the file server 130, send the warning information and the road vehicle statistical data obtained through statistics to the screen projection workstation 140, and display the road vehicle statistical data, the warning information and the warning images through the video display screen 150 by the screen projection workstation 140.
It should be noted that, in practical applications, the video capture devices 110 may be disposed on both sides of a road in a traffic network, and the video server 120 and the file server 130 may be disposed at a monitoring center, however, the screen-projecting workstation 140 and the video display screen 150 may be disposed in a service area, so that users passing through the service area or staying in the service area can refer to contents played by the video display screen 150.
Moreover, the video capture device 110 may be a camera, and the screen-projecting workstation 140 may be a server or a server cluster, and the video capture device 110 and the screen-projecting workstation 140 are not limited in this embodiment of the application.
Fig. 2 is a schematic flow chart of a video delivery method according to an embodiment of the present invention, as shown in fig. 2, and is applied to the screen delivery workstation shown in fig. 1, where the method includes:
The video stream list may include identification information of the road video stream data collected by the plurality of video collecting devices, and the identification information is used for identifying roads in the traffic network.
In order to increase the content displayed by the video display screen and improve the association between the video display screen and the user, the video display screen can be used for playing the road video stream data acquired by the video acquisition equipment, so that the user is informed of the congestion conditions of different roads.
However, since there are a large number of video capture devices capturing and capturing different roads, it is necessary to determine the roads and video capture devices corresponding to the road video stream data to be played before playing the road video stream data through the video display screen.
Therefore, before acquiring the video stream data, a video stream list including a plurality of identification information indicating different roads may be acquired, so that in a subsequent step, the corresponding road video stream data may be acquired based on the respective identification information in the video stream list.
In an alternative embodiment, the screen-casting workstation may obtain the video stream list from a pre-stored database, and may also send a list request to the video server, so that the video server feeds back the video stream list to the screen-casting workstation according to the list request.
It should be noted that the video stream list may include not only the identification information of each road video stream data, but also information such as a road video stream name, a streaming media server, and a stream name generated by the video server.
In the embodiment of the present invention, the road video stream name may include a task ID and a task noun, where the task ID is a unique identifier of the video analysis task, and the task noun is a name specified when the video analysis task is created, and is generally named as an accessed video capture device name.
In addition, the stream name is a unique identifier for video stream pushing, and the name of the video stream pushed in the streaming media server can be analyzed according to the road video stream name. The streaming server is the streaming service information, for example, the streaming server can be rtmp:// [ ip ]: port ]/live, ip and port represent the ip and port of the actual streaming server.
After the video stream list is obtained, the identification information of the road associated with the service area where the screen projection workstation is located can be selected from the video stream list to serve as the target identification information, so that the road video stream data of the road associated with the current service area can be displayed to the user in the subsequent steps.
In an optional embodiment, the screen-casting workstation may select target identification information of a road associated with the service area according to the geographical location information of the service area where the screen-casting workstation is located, generate a video stream request instruction according to the target identification information, and send the video stream request instruction to the video server, so that the video server searches for road video stream data corresponding to the target identification information according to the video stream request instruction, and feeds back the searched road video stream data to the screen-casting workstation.
Wherein the video stream request instruction may include a stream access address formed from the streaming server and the stream name. For example, the stream access address may be rtmp; // ip port/live/[ streamName ]. rtmp (real time messaging Protocol) is an open Protocol, which facilitates transmission of data such as audio and video between a player and a server; ip (Internet Protocol) may be an ip address of the streaming server; the port can be a port number used for accessing the streaming media server, and the default port number of the rtmp protocol can be 1935; live represents that the streaming media type is a real-time streaming type; streamName is the unique identification of the road video stream.
It should be noted that, in practical applications, the road associated with the service area may include not only the road where the service area is located, but also other roads connected to the road where the service area is located, and accordingly, the road may also include a plurality of target identification information.
After receiving the road video stream data fed back by the video server, the road video stream data may be sent to the video display screen, so that the video display screen sends the road video stream data, thereby informing users in the service area of the real-time traffic state of the road.
It should be noted that, since road video stream data of a plurality of roads may be obtained, the obtained road video stream data may be played in a manner of playing the road video stream data in a circulating manner or playing the road video stream data in a video display screen at the same time, and the manner of playing the road video stream data is not limited in the embodiments of the present application.
In summary, in the video delivery method provided in the embodiment of the present application, the video stream list is obtained, the road video stream data corresponding to at least one target identification information is respectively obtained from the video server according to at least one target identification information in the plurality of identification information in the video stream list, and then the road video stream data is delivered to the video display screen, so that the video display screen plays the road video stream data. By selecting the target identification information from the video stream list, acquiring the corresponding road video stream data according to the target identification information, and finally playing the acquired road video stream data through the video display screen, the content played by the video display screen is increased, and the relevance between the video display screen and a user is improved.
Fig. 3 is a schematic flowchart of a video delivery method according to another embodiment of the present invention, as shown in fig. 3, the method includes:
The video stream list may include identification information of the road video stream data collected by the plurality of video collecting devices, and the identification information is used for identifying roads in the traffic network.
And 303, releasing the road video stream data to the video display screen so that the video display screen plays the road video stream data.
Since the process from step 301 to step 303 is similar to the process from step 201 to step 203, it is not described herein again.
And step 304, acquiring road vehicle statistical data corresponding to at least one piece of target identification information.
Wherein the road vehicle statistical data may include: vehicle passing information in a preset time period and/or real-time average vehicle speed information.
In the process of playing the road video stream data, the screen projection workstation can also display the roads corresponding to the target identification information and the corresponding road vehicle statistical data, so that the user can more visually display the information such as the traffic flow, the vehicle speed and the like of each road.
In an optional embodiment, the screen projection workstation may generate a statistical data request according to target identification information corresponding to currently played road video stream data and according to the target identification information, and then send the statistical data request to the video server, so that the video server may search and feed back corresponding road vehicle statistical data according to the target identification information in the statistical data request.
It should be noted that the screen-projection workstation may periodically acquire the road vehicle statistical data, for example, the period may be 5 minutes, 10 minutes, 30 minutes or 60 minutes, and the period for acquiring the road vehicle statistical data is not limited in the embodiment of the present application.
And 305, releasing the road vehicle statistical data to the video display screen so that the video display screen plays the road vehicle statistical data.
Step 305 is similar to step 203 and will not be described herein again.
It should be noted that, in the process of displaying the road vehicle statistical data, for example, referring to fig. 4, the position of displaying the road vehicle statistical data may be in the upper left corner of the playing interface of the video display screen or other positions that do not affect the main content of the played road video stream data.
In addition, the video server can not only count the vehicles running on the road to determine the traffic flow of the road and the average running speed of the vehicles, but also identify the violation behaviors of the vehicles on the road.
Correspondingly, the screen projection workstation can also play the violation events of all vehicles in the road through the video display screen so as to inform and warn all users in the service area.
Optionally, the screen projection workstation may receive the warning information sent by the video server, obtain a warning image corresponding to the warning information from the file server according to the warning information, and then project the warning information and the warning image to the video display screen, so that the video display screen plays the warning information and the warning image.
Wherein, the warning information is used for indicating the vehicles in the road to have violation events, and the warning information can include: at least one of a type of the alarm event, a time of occurrence of the event, and a location of occurrence of the event.
In an optional embodiment, the screen projection workstation can send alarm requests to the video server every preset time period, so that the video server can search and feed back corresponding alarm information according to target identification information in the alarm requests, and the alarm information can include types of violation events, violation moments, violation violations and image paths of alarm images stored by the file server.
The warning request is also generated according to the target identification information corresponding to the currently played road video stream data.
Correspondingly, the screen projection workstation can generate and send an image request to the file server according to the image path in the alarm information, so that the file server can search a matched alarm image according to the image path in the image request and feed back the alarm image to the screen projection workstation. And the screen projection workstation can receive the alarm image and play the alarm image and the alarm information through the video display screen.
For example, as shown in fig. 4, a plurality of warning images and warning information may be played on the right side of the playing interface of the video display screen, for example, the time when different vehicles are parked illegally is shown in fig. 4.
Further, in the process of acquiring the alarm image, the screen projection workstation can extract an image path from the alarm information, send an image acquisition request to the file server, and then receive the alarm image returned by the file server.
The image path may be a path for storing the warning image in the file server, and the image acquisition request may include an image path, where the image acquisition request is used to instruct the file server to search and feed back the warning image according to the image path.
The video server captures the violation vehicle after analyzing and determining the violation event triggered by the vehicle, so as to obtain an alarm image, and sends the alarm image to the file server, so that the alarm image is stored by the file server, and the video server can receive the image path for storing the alarm image fed back by the file server.
Correspondingly, after receiving the alarm request sent by the screen projection workstation, the screen projection workstation can feed back alarm information including the image path to the screen projection workstation, and the screen projection workstation can extract the image path from the alarm information.
And the screen projection workstation can generate an image acquisition request according to the image path and send the image acquisition request to the file server, so that the file server can search for a matched alarm image according to the image path in the image acquisition request and then feed back the alarm image to the screen projection workstation.
In summary, in the video delivery method provided in the embodiment of the present application, the video stream list is obtained, the road video stream data corresponding to at least one target identification information is respectively obtained from the video server according to at least one target identification information in the plurality of identification information in the video stream list, and then the road video stream data is delivered to the video display screen, so that the video display screen plays the road video stream data. By selecting the target identification information from the video stream list, acquiring the corresponding road video stream data according to the target identification information, and finally playing the acquired road video stream data through the video display screen, the content played by the video display screen is increased, and the relevance between the video display screen and a user is improved.
Furthermore, by acquiring and displaying the statistical data of the road vehicles, the information such as traffic flow of each road can be visually displayed to the user, so that the effect of the user for obtaining the information from the video display screen is improved.
Furthermore, the violation vehicle is displayed, so that the user can be warned, and the probability that the user triggers the violation event is reduced.
Fig. 5 is a schematic view of a video delivery apparatus according to an embodiment of the present invention, and as shown in fig. 5, the apparatus specifically includes:
a first obtaining module 501, configured to obtain a video stream list, where the video stream list includes identification information of road video stream data collected by multiple video collecting devices, and the identification information is used to identify a road in a traffic network;
a second obtaining module 502, configured to obtain, according to at least one target identification information in the plurality of identification information in the video stream list, road video stream data corresponding to at least one target identification information from a video server respectively;
the first playing module 503 is configured to release the road video stream data to a video display screen, so that the video display screen plays the road video stream data.
Optionally, referring to fig. 6, the apparatus further includes:
a third obtaining module 504, configured to obtain at least one road vehicle statistical data corresponding to the target identification information;
a second playing module 505, configured to release the road vehicle statistical data to the video display screen, so that the video display screen plays the road vehicle statistical data.
Optionally, the road vehicle statistical data includes: vehicle passing information in a preset time period and/or real-time average vehicle speed information.
Optionally, referring to fig. 7, the apparatus further includes:
a receiving module 506, configured to receive warning information sent by the video server, where the warning information is used to indicate that a violation event occurs to a vehicle in the road;
a fourth obtaining module 507, configured to obtain, according to the alarm information, an alarm image corresponding to the alarm information from the file server;
the third playing module 508 is configured to release the warning information and the warning image to the video display screen, so that the video display screen plays the warning information and the warning image.
Optionally, the fourth obtaining module 507 is further configured to extract an image path from the alarm information, where the image path is a path where the file server stores the alarm image; sending an image acquisition request to the file server, wherein the image acquisition request comprises the image path, and the image acquisition request is used for indicating the file server to search and feed back the alarm image according to the image path; and receiving the alarm image returned by the file server.
Optionally, the alarm information includes: at least one of a type of the alarm event, a time of occurrence of the event, and a location of occurrence of the event.
In summary, the video delivery device provided in this embodiment of the present application obtains the video stream list, and obtains the road video stream data corresponding to at least one target identification information from the video server according to at least one target identification information in the plurality of identification information in the video stream list, and then delivers the road video stream data to the video display screen, so that the video display screen plays the road video stream data. By selecting the target identification information from the video stream list, acquiring the corresponding road video stream data according to the target identification information, and finally playing the acquired road video stream data through the video display screen, the content played by the video display screen is increased, and the relevance between the video display screen and a user is improved.
The above-mentioned apparatus is used for executing the method provided by the foregoing embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
These above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when one of the above modules is implemented in the form of a processing element scheduler code, the processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Fig. 8 is a schematic structural diagram of a screen-casting workstation according to an embodiment of the present invention, where the screen-casting workstation may be a server, and the screen-casting workstation may be a computing device with a video casting function.
Should throw screen workstation includes: a processor 801, a storage medium 802, and a bus 803.
The storage medium 802 stores machine-readable instructions executable by the processor 801, and when the screen-casting workstation is running, the processor 801 communicates with the storage medium 802 via the bus 803, and the processor 801 executes the machine-readable instructions to perform the method embodiments described above. The specific implementation and technical effects are similar, and are not described herein again.
Optionally, the present invention further provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, performs the above-mentioned method embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (15)
1. A method for video delivery, the method comprising:
acquiring a video stream list, wherein the video stream list comprises identification information of road video stream data acquired by a plurality of video acquisition devices, and the identification information is used for identifying roads in a traffic network;
according to at least one target identification information in the video stream list, acquiring road video stream data corresponding to at least one target identification information from a video server respectively;
and releasing the road video stream data to a video display screen so that the video display screen plays the road video stream data.
2. The method of claim 1, wherein the method further comprises:
acquiring road vehicle statistical data corresponding to at least one piece of target identification information;
and releasing the road vehicle statistical data to the video display screen so that the video display screen plays the road vehicle statistical data.
3. The method of claim 2, wherein the road vehicle statistics comprise: vehicle passing information in a preset time period and/or real-time average vehicle speed information.
4. The method of claim 1, wherein the method further comprises:
receiving alarm information sent by a video server, wherein the alarm information is used for indicating that a vehicle in the road has a violation event;
acquiring an alarm image corresponding to the alarm information from a file server according to the alarm information;
and releasing the alarm information and the alarm image to the video display screen so that the video display screen plays the alarm information and the alarm image.
5. The method of claim 4, wherein the obtaining the alarm image corresponding to the alarm information from the file server according to the alarm information comprises:
extracting an image path from the alarm information, wherein the image path is a path for storing the alarm image by the file server;
sending an image acquisition request to the file server, wherein the image acquisition request comprises the image path, and the image acquisition request is used for indicating the file server to search and feed back the alarm image according to the image path;
and receiving the alarm image returned by the file server.
6. The method of claim 4, wherein the alert information comprises: at least one of a type of the alarm event, a time of occurrence of the event, and a location of occurrence of the event.
7. A video delivery apparatus, the apparatus comprising:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a video stream list, the video stream list comprises identification information of road video stream data acquired by a plurality of video acquisition devices, and the identification information is used for identifying roads in a traffic network;
the second acquisition module is used for acquiring road video stream data corresponding to at least one piece of target identification information from a video server according to at least one piece of target identification information in the video stream list;
and the first playing module is used for releasing the road video stream data to a video display screen so as to enable the video display screen to play the road video stream data.
8. The apparatus of claim 7, wherein the apparatus further comprises:
the third acquisition module is used for acquiring road vehicle statistical data corresponding to at least one piece of target identification information;
and the second playing module is used for releasing the road vehicle statistical data to the video display screen so as to enable the video display screen to play the road vehicle statistical data.
9. The apparatus of claim 8, wherein the road vehicle statistics comprise: vehicle passing information in a preset time period and/or real-time average vehicle speed information.
10. The apparatus of claim 7, wherein the apparatus further comprises:
the receiving module is used for receiving alarm information sent by the video server, and the alarm information is used for indicating that the vehicles in the road have violation events;
the fourth acquisition module is used for acquiring an alarm image corresponding to the alarm information from a file server according to the alarm information;
and the third playing module is used for releasing the alarm information and the alarm image to the video display screen so as to enable the video display screen to play the alarm information and the alarm image.
11. The apparatus of claim 10, wherein the fourth obtaining module is further configured to extract an image path from the warning information, where the image path is a path where the file server stores the warning image; sending an image acquisition request to the file server, wherein the image acquisition request comprises the image path, and the image acquisition request is used for indicating the file server to search and feed back the alarm image according to the image path; and receiving the alarm image returned by the file server.
12. The apparatus of claim 10, wherein the alert information comprises: at least one of a type of the alarm event, a time of occurrence of the event, and a location of occurrence of the event.
13. A screen-casting workstation, comprising: a processor, a storage medium and a bus, the storage medium storing machine-readable instructions executable by the processor, the processor and the storage medium communicating over the bus when the screen-casting workstation is running, the processor executing the machine-readable instructions to perform the steps of the video casting method according to any one of claims 1 to 7.
14. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the video delivery method according to any one of claims 1 to 7.
15. A video delivery system, the system comprising: video capture equipment, video servers, file servers, video presentation screens and the screen-casting workstation of claim 13;
the video server is respectively connected with the video acquisition equipment, the file server and the screen projection workstation through links, and the screen projection workstation is also connected with the video display screen through links.
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