CN107169019A - A kind of querying method of video metadata, equipment and system - Google Patents
A kind of querying method of video metadata, equipment and system Download PDFInfo
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- CN107169019A CN107169019A CN201710221659.3A CN201710221659A CN107169019A CN 107169019 A CN107169019 A CN 107169019A CN 201710221659 A CN201710221659 A CN 201710221659A CN 107169019 A CN107169019 A CN 107169019A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/73—Querying
- G06F16/735—Filtering based on additional data, e.g. user or group profiles
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Abstract
A kind of querying method of video metadata, equipment and system, are related to technical field of data processing, and wherein this method includes：Client sends video metadata inquiry request to proxy server, query video request includes filterable agent, the video metadata that proxy server is matched according to being inquired about comprising filterable agent from caching with query video request, and the video metadata inquired is returned into client, the video metadata that client Receiving Agent server is returned.Due to including filterable agent in video metadata inquiry request, therefore compared with video metadata inquiry mode in the prior art, proxy server caches can be coordinated, the search efficiency of video metadata is improved to a certain extent.
Description
Technical field
The application is related to technical field of data processing, more particularly to a kind of querying method of video metadata, equipment and is
System.
Background technology
Video metadata refers to the relevant information for describing video, user can be aided in understand the content of video, such as
The information such as video name, video classification, the brief introduction of video.
At present, the inquiry system of video metadata is as shown in figure 1, including client and video system.Lead in the prior art
Cross client and send video metadata inquiry request to video system, wherein video metadata inquiry request includes at least one
Filter condition, video system is obtained and the video metadata after the video metadata inquiry request of client transmission is received
The video metadata that at least one included filter condition is matched in inquiry request, and to regarding that client feedback is got
Frequency metadata.
Because video system includes substantial amounts of video metadata, and work as substantial amounts of client and send video to video system
When metadata query is asked, the inquiry mode of this video metadata can cause efficiency data query relatively low in the prior art.
The content of the invention
This application provides method, equipment and the system of a kind of video metadata inquiry, proxy server can be coordinated to delay
Deposit, help to lift the search efficiency of video metadata.
First aspect there is provided a kind of querying method of video metadata, including：
Client is sent in video metadata inquiry request, video metadata inquiry request comprising filtering to proxy server
The factor, filterable agent is generated according to the filter condition for client；And the video element number that Receiving Agent server is returned
Obtained according to, video metadata by proxy server according to video metadata inquiry request from caching.
Due to including filterable agent in video metadata inquiry request, and filterable agent is the filter condition for client
Generation, therefore proxy server caches can be coordinated based on the video metadata inquiry request including the filterable agent, with showing
There is technology to compare, client, can be directly from agency's clothes without sending video metadata inquiry request to video system every time
It is engaged in obtaining in device caching, so as to improve the search efficiency of video metadata to a certain extent.
It should be noted that not only including the filter condition that client itself is obtained for the filter condition of client, also
The filter condition that client is set is directed to including video system.
Based in a first aspect, in a kind of possible design, client obtains filterable agent, filterable agent from video system
It is that video system is generated according to the filter condition for client；Wherein, video system is included for the filter condition of client
The filter condition that the filter condition and client that system is set for client are reported to video system.
Because filterable agent is video system generation, therefore when the filter condition for client is modified, nothing
The program code of client-side need to be changed, the scalability of client is improved.
Based in a first aspect, in a kind of possible design, client is received from the first interface between video system
The filterable agent that video system is issued.
Based in a first aspect, in a kind of possible design, client by the second interface between video system to
Video system reports new filter condition；And by first interface between video system receive that video system returns it is new
Filterable agent, new filterable agent is generated by new filter condition.
Based in a first aspect, in a kind of possible design, first interface is heart beat interface, or first interface is to log in
Interface.
Furthermore, it is necessary to which explanation, first interface can also be to increase newly between the client and video system pre-set
Plus interface.
Second aspect there is provided a kind of querying method of video metadata, including：
Proxy server is received to be included in the video metadata inquiry request that client is sent, video metadata inquiry request
Filterable agent, filterable agent is generated according to the filter condition for client；According to video metadata inquiry request from caching
It is middle to inquire about the video metadata matched with video metadata inquiry request, the video metadata inquired is returned into client.
Because video metadata inquiry request includes the filterable agent of the filter condition generation for client, thus it is logical
Crossing the video metadata inquiry request comprising filterable agent can increase on the basis of existing video metadata inquiry system
Plus proxy server, so as to help to lift the search efficiency of video metadata.
Based on second aspect, in a kind of possible design, proxy server if it is determined that not being stored with and video in caching
The video metadata of metadata query request matching, then be transmitted to video system by video metadata inquiry request；And reception is regarded
The video metadata that display system is returned, and the video metadata that video system is returned is returned into client.
Based on second aspect, in a kind of possible design, the video element number that proxy server will be obtained from video system
It is saved according to corresponding with video metadata inquiry request in caching.
Due to proxy server by the video metadata obtained from video system it is corresponding with video metadata inquiry request protect
It is stored in caching, can be directly from agency's clothes when proxy server receives identical video metadata inquiry request again
Business device obtains video metadata, without inquiry video system, has shared partial query for video system to a certain extent and has regarded
The task of frequency metadata, improves the treatment effeciency of video system.
The third aspect there is provided it is a kind of generate filterable agent method, including：
Video system receives the filter condition that client is reported；
The filter condition and video system that video system is reported according to client are directed to the filter condition that client is set, raw
Client is handed down into filterable agent, and by the filterable agent.
On the basis of the third aspect, in a kind of possible design, video system passes through first between client
The filterable agent is handed down to client by interface.
It should be noted that first interface can be heart beat interface, log in interface or the video system that pre-sets with
The interface newly increased between client.
On the basis of the third aspect, in a kind of possible design, the video system is reported receiving client
New filter condition after, the new filter condition reported according to client generates new filterable agent, and by new filtering because
Son is issued to the client.
Fourth aspect there is provided a kind of query facility of video metadata, including：Sending module and receiving module, wherein,
Sending module is used to send video metadata inquiry request to proxy server, in video metadata inquiry request comprising filtering because
Son, filterable agent is generated according to the filter condition for client；Receiving module is used for what Receiving Agent server was returned
Video metadata, video metadata is obtained from caching by proxy server according to video metadata inquiry request.
Based on fourth aspect, in a kind of possible design, receiving module sends to proxy server in sending module and regarded
Before the request of frequency metadata query, filterable agent is obtained from video system, filterable agent is video system according to for client
Filter condition generation；Wherein, the filter condition for client includes the filtering rod that video system is directed to client setting
The filter condition that part and client are reported to video system.
Based on fourth aspect, in a kind of possible design, receiving module connects from the first interface between video system
The filterable agent that rating display system is issued.
Based on fourth aspect, in a kind of possible design, sending module passes through the second interface between video system
New filter condition is reported to video system；Receiving module receive new filtering that video system returned by first interface because
Son, new filterable agent is generated by new filter condition.
Based on fourth aspect, in a kind of possible design, first interface is heart beat interface, or first interface is to log in
Interface.
There is provided a kind of query facility of video metadata in terms of 5th, including：Receiving module is used to receive client hair
Filterable agent is included in the video metadata inquiry request sent, video metadata inquiry request, filterable agent is according to for visitor
The filter condition generation at family end；Processing module is used to be inquired about from caching and video metadata inquiry request according to filterable agent
The video metadata matched somebody with somebody；The video metadata that sending module is used to inquire processing module returns to client.
Based on the 5th aspect, in a kind of possible design, sending module determines not to be stored with caching in processing module
During the video metadata matched with video metadata inquiry request, then video metadata inquiry request is transmitted to video system；
Receiving module is additionally operable to receive the video metadata that video system is returned；Sending module is additionally operable to regarding that receiving module is received
The video metadata that display system is returned returns to client.
Based on the 5th aspect, in a kind of possible design, processing module is additionally operable to obtain receiving module from video system
The video metadata taken is corresponding with video metadata inquiry request to be saved in caching.
6th aspect is there is provided a kind of inquiry system of video metadata, including fourth aspect or fourth aspect can be achieved
The equipment of any one possible design provided, and setting for any one possible design that the 5th aspect or the 5th aspect are provided can be realized
It is standby.
7th aspect, the embodiment of the present application also provides a kind of query facility of video metadata, should include processor, storage
Device and communication interface, the communication interface are used to receiving and sending information, and the memory is used to store software program and connect
Data message received or sent etc., the processor is used to read the software program stored in the memory and data and control
Communication interface realizes the method that any one implementation of first aspect or above-mentioned first aspect is provided.
Eighth aspect, the embodiment of the present application also provides a kind of query facility of video metadata, should include processor, storage
Device and communication interface, the communication interface are used to receiving and sending information, and the memory is used to store software program and connect
Data message received or sent etc., the processor is used to read the software program stored in the memory and data and realize
The method that any one implementation of second aspect or above-mentioned second aspect is provided.
A kind of computer-readable storage medium is also provided in 9th aspect, the embodiment of the present application, the storage medium can be easy with right and wrong
The property lost, that is, content is not lost after powering off.Software program is stored in the storage medium, the software program is by one or more places
Reason device can realize the method that any one implementation of first aspect or above-mentioned first aspect is provided when reading and performing.
A kind of computer-readable storage medium is also provided in tenth aspect, the embodiment of the present application, the storage medium can be easy with right and wrong
The property lost, that is, content is not lost after powering off.Software program is stored in the storage medium, the software program is by one or more places
Reason device can realize the method that any one implementation of second aspect or above-mentioned second aspect is provided when reading and performing.
Tenth on the one hand, and the embodiment of the present application additionally provides a kind of computer program product for including instruction, when it is in meter
When being run on calculation machine so that computer performs the method described in above-mentioned each side.
Brief description of the drawings
Fig. 1 is the inquiry system schematic diagram of the video metadata of prior art；
Fig. 2 is the inquiry system schematic diagram of the embodiment of the present application video metadata；
Fig. 3 is the querying method schematic flow sheet of the embodiment of the present application video metadata；
Fig. 4 a and Fig. 4 b are respectively the query facility schematic diagram of the embodiment of the present application video metadata；
Fig. 5 a and Fig. 5 b are respectively the query facility schematic diagram of the embodiment of the present application video metadata.
Embodiment
The embodiment of the present application is described in further detail below in conjunction with accompanying drawing.
As shown in Fig. 2 the video metadata applied by the querying method of the video metadata of the embodiment of the present application is looked into
Inquiry system, including client, proxy server and video system, wherein client can be to be mounted with Video Applications or can be with
Can browse through the terminal device of the application of video, such as smart mobile phone, tablet personal computer, notebook computer, desktop computer, set top box,
Intelligent television etc., proxy server can be other tools such as content distributing network (Content Delivery Network, CDN)
There is the server of caching and query function.
The embodiment of the present application is described in detail by taking Fig. 2 as an example below.
As shown in figure 3, the querying method of the embodiment of the present application video metadata, including：
Step 300, client sends video metadata inquiry request to proxy server, and query video request includes
Filterable agent, proxy server receives the video metadata inquiry request that client is sent, and wherein filterable agent is that basis is directed to
The filter condition generation of the client.
It should be noted that for the client filter condition not only include configuration of the client according to itself or its
The filter condition that its extraneous factor (such as residing geographical position) is got, in addition to video system is for client setting
Filter condition.Under normal circumstances, the filter condition that video system is set for client is (such as interior for the filter condition of terminal attribute
Hold coded format etc.) and user property filter condition (such as user grouping).
Step 310, proxy server inquires about what is matched with filterable agent according to video metadata inquiry request from caching
Video metadata.
What is stored in wherein caching is depositing where video metadata inquiry request and corresponding video metadata, caching
Store up the internal storage space that space can be proxy server, or the external Virtual managed by proxy server stores empty
Between (such as cloud storage space) or external entity memory space (such as hard disk).
Step 320, the video metadata inquired is returned to client, the service of client Receiving Agent by proxy server
The video metadata that device is returned.
In the embodiment of the present application, the filterable agent included due to video metadata inquiry request is for client
Filter condition generation, therefore can be drawn by the video metadata inquiry request in existing video metadata inquiry system
Enter proxy server, so as to help to lift the search efficiency of video metadata.And due to video metadata inquiry request bag
Filterable agent is included, compared with the request of query video in the prior art includes filter condition, the size of message body is reduced, saves
Data traffic, simplifies the implementation of client.
In addition, when proxy server if it is determined that the video element matched with video metadata inquiry request that is not stored with caching
Data, then be transmitted to video system, video system is after query video request is received, inquiry by video metadata inquiry request
The video metadata returned to the client, and the video metadata inquired is returned into proxy server, proxy server
The video metadata that video system is returned is returned into client again.
In order to when client sends identical request again, it is to avoid the repetition inquiry of video system, proxy server will
The video metadata that obtains from video system is with video metadata inquiry request corresponding to be saved in caching.
Because video metadata inquiry request includes filterable agent so that video metadata inquiry request and video element number
According to being corresponding, so as to ensure that the accuracy of video metadata inquiry.
It should be understood that filterable agent can be generated by client in the embodiment of the present application, it can also be generated by video system
Afterwards, it is handed down to client.When filterable agent is generated by client, video system needs to set for the client in advance
All filter conditions are sent to client, and client is used when needing the filterable agent of generation and generation filterable agent
The filter condition that configuration or other external factor of the client according to itself are obtained is sent to video system, to cause video system
System can inquire the video matched with the filterable agent when receiving the request of the video metadata including filterable agent
Metadata.
When filterable agent is generated by video system, client needs to report client according to itself to video system in advance
Configuration or other external factor obtain filter condition, filter condition and video system that video system is reported according to client
The filter condition that system is set for client, generates filterable agent, then issues the filterable agent to client.Specifically, regarding
Display system issues the filterable agent by the first interface between client, and client passes through first between video system
The interface filterable agent.Wherein first interface can be heart beat interface, can also be to log in interface, can with client with
The interface newly increased between video system.
, wherein it is desired to explanation be logged on interface be under normal circumstances user when client is logged in, sent out to video system
The interface of checking information such as username and password or identifying code is sent, video system is verified whether to the client by checking information
Authorize, then return to Authorization result by logging in interface, client based on the Authorization result further determines whether that video can be logged in
System, optionally, the client in the embodiment of the present application can carry filter condition is sent to video system in checking information
System, and the filterable agent of video system generation can carry and client is sent in Authorization result.
In addition, heart beat interface is that for periodicity, (ordinary circumstance next cycle is with minute to client under normal circumstances
Can be 5 minutes for unit, such as a cycle) heartbeat request is sent to video system, for notifying the video system client
Interface of the end in presence, video system, can also be by the heart beat interface to the client after the heartbeat request is received
End sends heartbeat response, such as can carry whether active client is in Entered state in heartbeat response, or in this week
Some other information changed in phase.Optionally, in the embodiment of the present application when the video metadata set in client
Filter condition change (the new filter condition of increase, or modification client the filtering rod that reports of forward direction video system
Part) when, the filter condition after change can also be carried in heartbeat request, video system can be by based on the filtering after change
Condition, generates new filterable agent, and new filterable agent is carried and is handed down to client in heartbeat response.
In the embodiment of the present application, client can also be reported by the second interface between video system to video system
New filter condition, video system receives new filter condition, and is directed to client according to new filter condition and video system
The filter condition of setting generates new filterable agent, and new filterable agent is returned by first interface to client.Wherein
Two interfaces can be to log in interface, or heart beat interface, can also be the new interface being pre-configured with.First interface and
Two interfaces can be same interface, or different interfaces.
The generation method of filterable agent can be Message Digest 5 in the embodiment of the present application, and output parameter is for visitor
The character string of each filter condition at family end, output result is hashed value, in addition, the generation method of filterable agent can be with
For md5-challenge (Message-Digest Algorithm 5, MD5), translations SHA (Secure Hash
Algorithm, SHA), raw integrity verification message summary (RACE Integrity Primitives Evaluation
Message Digest, RIPEMD) algorithm etc..
It should be noted that being divided into two kinds of situations for the filter condition of client in the embodiment of the present application：
Situation one, for client filter condition can be terminal attribute filter condition and user property filtering rod
Part, due to filter condition (such as terminal type, video content definition, content frame per second, the content volume of terminal attribute in the case of
Code form, geographical position where terminal etc.) and user property filter condition (such as subnet operator, user grouping, region,
Father and mother's control hierarchy, category of language etc.) it is that each query interface between client and video system is public under normal circumstances
Filter condition, and these filter conditions are in most query interface that value is identical under normal circumstances, in order to simplify video
The inquiry request of metadata, then based on these filter conditions generate filterable agent, and when user based on self-demand in client
End input such as the date, inquiry video metadata type (film) personalization filter condition when, can directly carry regarding
In the request of frequency metadata query, i.e., video metadata inquiry request includes filterable agent and at least one filter condition.Therefore
Avoid and all carry the public filter condition of these query interfaces when inquiring about video metadata every time.Wherein these query interfaces
Public filter condition includes the filter condition that configuration or other external factor of the client based on itself are obtained, and wraps simultaneously
Include video system and be directed to the filter condition that client is set, therefore, proxy server is in the video element based on the embodiment of the present application
Data inquiry request it is corresponding with video metadata storage when, proxy server can be uniquely true according to video metadata inquiry request
The fixed video metadata matched with the video metadata inquiry request.In situation once, filtered when user does not input in client
During condition, if only including filterable agent in the video metadata inquiry request that client is sent to video system.
Situation two, the filter condition for client is to be directed to for client and video system in the embodiment of the present application
Whole filter conditions that the client is set, not only also include user based on itself including the public filter condition of query interface
Demand client input such as the date, inquiry video metadata type (film) personalization filter condition, now, depending on
Only include filterable agent in the request of frequency metadata query.Due in situation two by all filter conditions for client
Filterable agent is generated, and the filterable agent of user's input is that the demand based on user is configured under normal circumstances, therefore
Client is set during the filter condition first, it is necessary to the filter condition in advance inputting user is sent, and is saved in video system,
When user is follow-up inputs identical filter condition in client, then without sending the filter condition to video system.
Wherein, for situation one, filterable agent can be generated by client, can also be generated by video system, in order to carry
The scalability of high terminal, generates filterable agent by video system under normal circumstances, and for situation two, filterable agent can be by visitor
Family end is generated, and can also be generated by video system, but the filtering for needing to use user to input when being due to and generating filterable agent
The factor, therefore, client generation filterable agent are more convenient, the filterable agent that generates first in order that video system being capable of base
The video metadata matched with filterable agent is searched in filterable agent, terminal will also be carried in client in query video request
The filter condition set for user, when subsequent terminal sends identical video metadata inquiry request, then without carrying again
The filter condition set in client for user.And can be preserved regarding filterable agent and corresponding video in proxy server
Metadata.
Based on same design, video metadata inquiry such as Fig. 4 a and as shown in Figure 5 a is additionally provided in the embodiment of the present application
Equipment, because the corresponding method of equipment as shown in fig. 4 a and equipment as shown in Figure 5 a in the embodiment of the present application is the application
The querying method of embodiment video metadata as shown in Figure 3, therefore the embodiment of the present application equipment as shown in fig. 4 a and as schemed
The implementation of equipment shown in 5a may refer to the implementation of the querying method of video metadata as shown in Figure 3, repeat part no longer
Repeat.
As shown in fig. 4 a, a kind of query facility of video metadata of the embodiment of the present application, including：Sending module 400a and connect
Module 410a is received, wherein, sending module 400a is used to send video metadata inquiry request, video metadata to proxy server
Filterable agent is included in inquiry request, filterable agent is generated according to the filter condition for client；Receiving module 410a
The video metadata returned for Receiving Agent server, video metadata please according to video metadata inquiry by proxy server
Ask and obtained from caching.
In a kind of possible design, receiving module 410a sends video element number in sending module 400a to proxy server
Before inquiry request, filterable agent is obtained from video system, filterable agent is video system according to the filtering for client
Condition generation；Wherein, the filter condition for client includes filter condition and the visitor that video system is set for client
The filter condition that family end is reported to video system.
In a kind of possible design, receiving module 410a receives video system from the first interface between video system
The filterable agent issued.
In a kind of possible design, sending module 400a is by the second interface between video system to video system
Report new filter condition；Receiving module receives the new filterable agent that video system is returned by first interface, new filtering
The factor is generated by new filter condition.
In a kind of possible design, first interface is heart beat interface, or first interface is to log in interface.
It should be understood that the specific division of above-mentioned module is only as an example, not as the restriction of the application.
When the query facility of video metadata as shown in fig. 4 a is as an entity device individualism, its hardware knot
Structure can be as shown in Figure 4 b equipment, sending module 400a and receiving module 410a wherein shown in Fig. 4 a can be connect by communication
Mouthful 420b realizes, in addition, being also possible that processor 410b and memory 430b, wherein memory in equipment as shown in Figure 4 b
430b, which is used to store, to be used to store software program and the data message of communication interface 420b transmitting-receivings etc., and processor 410b is used to read
The software program and data that are stored in access to memory 430b simultaneously control communication interface transceiving data, so as to realize the embodiment of the present application
Method as shown in Figure 3.
Wherein, processor 410b can use general central processing unit (Central Processing Unit, CPU),
Microprocessor, application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or
One or more integrated circuits, for performing associative operation, to realize technical scheme that the embodiment of the present application is provided.
Although it should be noted that the equipment shown in Fig. 4 b illustrate only processor 410b, communication interface 420b and memory
430b, but during implementing, it should be apparent to a person skilled in the art that the equipment is also comprising the normal operation institute of realization
Other necessary devices.Meanwhile, according to specific needs, it should be apparent to a person skilled in the art that the equipment can also include realization
The hardware device of other additional functions.In addition, it should be apparent to a person skilled in the art that the equipment, which also can be included only, realizes this
Apply for device or module necessary to embodiment, without including whole devices shown in Fig. 4 b.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, above-mentioned program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, above-mentioned storage medium can be magnetic
Disk, CD, read-only memory (ROM：Read-Only Memory) or random access memory (RAM：Random
Access Memory) etc..
As shown in Figure 5 a, the query facility of a kind of video metadata of the embodiment of the present application, including：Receiving module 500a,
Sending module 510a and processing module 520a, wherein receiving module 500a are used for the video metadata inquiry for receiving client transmission
Filterable agent is included in request, video metadata inquiry request, filterable agent is generated according to the filter condition for client；
Processing module 520a is used to inquire about the video metadata matched with filterable agent from caching according to video metadata inquiry request；
The video metadata that sending module 510a is used to inquire processing module returns to client.
In a kind of possible design, sending module 510a determines not to be stored with and video in caching in processing module 520a
During the video metadata of metadata query request matching, then video metadata inquiry request is transmitted to video system；Receive mould
Block 500a is additionally operable to receive the video metadata that video system is returned；Sending module 510a is additionally operable to receive receiving module 500a
To video system return video metadata return to client.
Based on the 5th aspect, in a kind of possible design, processing module 520a be additionally operable to by receiving module 500a from regarding
The video metadata of display system acquisition is corresponding with video metadata inquiry request to be saved in caching.
It should be understood that the specific division of above-mentioned module is only as an example, not as the restriction of the application.
When the query facility of video metadata as shown in Figure 5 a is as an entity device individualism, its hardware knot
Structure can be as shown in Figure 5 b equipment, sending module 510a and receiving module 500a wherein shown in Fig. 5 a can be connect by communication
Mouthful 520b realizes, processing module 520a can be by processor 510b, in addition, being also possible that storage in equipment as shown in Figure 5 b
Device 530b, wherein memory 530b are used to store the data message for being used to store software program and communication interface 520b transmitting-receivings
It is used to read the software program stored in memory 530b and data Deng, processor 510b and performs the embodiment of the present application such as Fig. 3
Shown method.
Wherein, processor 510b can use general central processing unit (Central Processing Unit, CPU),
Microprocessor, application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or
One or more integrated circuits, for performing associative operation, to realize technical scheme that the embodiment of the present application is provided.
Although it should be noted that the equipment shown in Fig. 5 b illustrate only processor 510b, communication interface 520b and memory
530b, but during implementing, it should be apparent to a person skilled in the art that the equipment is also comprising the normal operation institute of realization
Other necessary devices.Meanwhile, according to specific needs, it should be apparent to a person skilled in the art that the equipment can also include realization
The hardware device of other additional functions.In addition, it should be apparent to a person skilled in the art that the equipment, which also can be included only, realizes this
Apply for device or module necessary to embodiment, without including whole devices shown in Fig. 5 b.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, above-mentioned program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, above-mentioned storage medium can be magnetic
Disk, CD, read-only memory (ROM：Read-Only Memory) or random access memory (RAM：Random
Access Memory) etc..
In the above-described embodiments, it can come real wholly or partly by software, hardware, firmware or its any combination
It is existing.When implemented in software, it can realize in the form of a computer program product whole or in part.The computer program
Product includes one or more computer instructions.When loading on computers and performing the computer program instructions, all or
Partly produce according to the flow or function described in the embodiment of the present invention.The computer can be all-purpose computer, special meter
Calculation machine, computer network or other programmable devices.The computer instruction can be stored in computer-readable recording medium
In, or the transmission from a computer-readable recording medium to another computer-readable recording medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, numeral from web-site, computer, server or data center
User's line (DSL)) or wireless (such as infrared, wireless, microwave) mode to another web-site, computer, server or
Data center is transmitted.The computer-readable recording medium can be any usable medium that computer can be accessed or
It is comprising data storage devices such as one or more usable mediums integrated server, data centers.The usable medium can be with
It is magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disc
Solid State Disk (SSD)) etc..
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the application can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application be with reference to according to the present processes, the flow chart of equipment (system) and computer program product and/or
Block diagram is described.It should be understood that can by each flow in computer program instructions implementation process figure and/or block diagram and/or
Square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided to arrive
All-purpose computer, special-purpose computer, the processor of Embedded Processor or other programmable data processing devices are to produce one
Machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing in stream
The device for the function of being specified in one flow of journey figure or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these changes and modification.
Claims (17)
1. a kind of querying method of video metadata, it is characterised in that including：
Client is sent in video metadata inquiry request, the video metadata inquiry request comprising filtering to proxy server
The factor, the filterable agent is generated according to the filter condition for the client；
The client receives the video metadata that the proxy server is returned, and the video metadata is by the agency service
Device is obtained according to the video metadata inquiry request from caching.
2. the method as described in claim 1, it is characterised in that the client sends the video to the proxy server
Before metadata query request, in addition to：
The client obtains the filterable agent from video system, and the filterable agent is the video system according to for institute
State the filter condition generation of client；Wherein, the filter condition for the client includes the video system for institute
State the filter condition that the filter condition and the client of client setting are reported to the video system.
3. method as claimed in claim 2, it is characterised in that the client from the video system obtain the filtering because
Son, including：
The client from the first interface between the video system receive the filtering that the video system issues because
Son.
4. the method as described in claim any one of 1-3, it is characterised in that methods described also includes：
The client reports new filter condition by the second interface between the video system to the video system；
The client receives the new filtering that the video system is returned by the first interface between the video system
The factor, the new filterable agent is generated by the new filter condition.
5. the method as described in claim 3 or 4, it is characterised in that the first interface is heart beat interface, or described first
Interface is to log in interface.
6. a kind of querying method of video metadata, it is characterised in that including：
Proxy server is received to be included in the video metadata inquiry request that client is sent, the video metadata inquiry request
Filterable agent, the filterable agent is generated according to the filter condition for the client；
The proxy server asks inquiry and the video metadata inquiry request from caching according to the query video
The video metadata matched somebody with somebody, the client is returned to by the video metadata inquired.
7. method as claimed in claim 6, it is characterised in that methods described also includes：
The proxy server asks the video metadata that matches if it is determined that not being stored with the caching with the query video,
The video metadata inquiry request is then transmitted to video system；
The proxy server receives the video metadata that the video system is returned, and the video that the video system is returned
Metadata returns to the client.
8. method as claimed in claim 7, it is characterised in that methods described also includes：
The proxy server is corresponding with query video request by the video metadata obtained from the video system
It is saved in the caching.
9. a kind of query facility of video metadata, it is characterised in that including：
Sending module, for being sent to proxy server in video metadata inquiry request, the video metadata inquiry request
Comprising filterable agent, the filterable agent is generated according to the filter condition for the client；
Receiving module, for receiving the video metadata that the proxy server is returned, the video metadata is by the agency
Server is obtained according to the video metadata inquiry request from caching.
10. equipment as claimed in claim 9, it is characterised in that the receiving module, is additionally operable to：
Before the sending module sends the video metadata inquiry request to the proxy server, obtained from video system
The filterable agent is taken, the filterable agent is that the video system is generated according to the filter condition for the client；
Wherein, the filter condition for the client includes filter condition and the institute that the video system is set for the client
State the filter condition that client is reported to the video system.
11. equipment as claimed in claim 10, it is characterised in that the receiving module obtains the mistake from the video system
The factor is filtered, is specifically included：
The filterable agent that the video system is issued is received from the first interface between the video system.
12. the equipment as described in claim any one of 9-11, it is characterised in that the sending module, is additionally operable to：
New filter condition is reported to the video system by the second interface between the video system；
The receiving module, is additionally operable to receive what the video system was returned by the first interface between the video system
New filterable agent, the new filterable agent is generated by the new filter condition.
13. the equipment as described in claim 11 or 12, it is characterised in that the first interface is heart beat interface, or described
First interface is to log in interface.
14. a kind of query facility of video metadata, it is characterised in that including：
In receiving module, the video metadata inquiry request for receiving client transmission, the video metadata inquiry request
Comprising filterable agent, the filterable agent is generated according to the filter condition for the client；
Processing module, please with video metadata inquiry for being inquired about according to the video metadata inquiry request from caching
Seek the video metadata of matching；
Sending module, the video metadata for the processing module to be inquired returns to the client.
15. equipment as claimed in claim 14, it is characterised in that the sending module, is additionally operable to：
If the processing module determines the video metadata matched with the filterable agent that is not stored with the caching, by institute
State video metadata inquiry request and be transmitted to video system；
The receiving module, is additionally operable to receive the video metadata that the video system is returned；
The sending module, the video metadata that the video system is returned for being additionally operable to receive the receiving module is returned
To the client.
16. equipment as claimed in claim 15, it is characterised in that the processing module is additionally operable to：
The video metadata that the receiving module is obtained from the video system and the video metadata inquiry request
Correspondence is saved in the caching.
17. a kind of inquiry system of video metadata, it is characterised in that including the equipment as described in claim 9-13 is any,
With the equipment as described in claim 14-16 is any.
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| CN107169019B (en) | 2020-07-24 |
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