CN110149538A - Determination method and device, terminal device and the readable storage medium storing program for executing of clarity - Google Patents
Determination method and device, terminal device and the readable storage medium storing program for executing of clarity Download PDFInfo
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- CN110149538A CN110149538A CN201810144647.XA CN201810144647A CN110149538A CN 110149538 A CN110149538 A CN 110149538A CN 201810144647 A CN201810144647 A CN 201810144647A CN 110149538 A CN110149538 A CN 110149538A
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- clarity
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- cpu usage
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
Abstract
The invention discloses a kind of determination method and devices of clarity, terminal device and readable storage medium storing program for executing, method includes: to receive the clarity that client is sent to determine request, the clarity determines the network speed in request comprising the client, the initial clarity of hardware running state parameter and the client request, and according to the network speed, initial clarity and hardware running state parameter, determine the target sharpness that client uses, the clarity for carrying the target sharpness is determined that response feeds back to above-mentioned client, to indicate that above-mentioned client carries out video playing according to the target sharpness.Pass through the target sharpness for combining initial clarity, network speed and hardware operating status to determine that client uses, user intention, the loading velocity of client and hardware operating condition can be comprehensively considered, determining clarity more matches the actual conditions of client, accuracy is high, effectively solves the problems such as video loads slowly and plays Caton.
Description
Technical field
The present invention relates to multimedia play technology field more particularly to determination method and device, the terminals of a kind of clarity
Equipment and readable storage medium storing program for executing.
Background technique
Currently we use network video application in users' lateral terminals such as smart television, TV box, smart phone, PAD
When program (Application, APP) watches video, user, which can choose, selects the view from pre-set a variety of clarity
Clarity when frequency plays.
However, the clarity using user's manual setting plays video, there can be video and load feelings that are slow, playing Caton
Condition.
Summary of the invention
The main purpose of the present invention is to provide determination method and device, terminal device and the readable storages of a kind of clarity
Medium, it is intended to solve to play video using the clarity of user's manual setting in the prior art, there are video loads slowly, plays card
The technical issues of pausing.
To achieve the above object, first aspect present invention provides the determination method of clarity, comprising:
It receives the clarity that client is sent and determines request, the clarity determines that request includes the network of the client
The initial clarity of speed, hardware running state parameter and the client request；
According to the network speed, the initial clarity and the hardware running state parameter, the client is determined
The target sharpness used；
The clarity for carrying the target sharpness is determined that response feeds back to the client.
To achieve the above object, second aspect of the present invention provides a kind of determining device of clarity, comprising:
Receiving module, the clarity for receiving client transmission determine request, and the clarity determines that request includes institute
State the initial clarity of the network speed of client, hardware running state parameter and the client request；
Determining module is used for according to the network speed, the initial clarity and the hardware running state parameter, really
The target sharpness that the fixed client uses；
Feedback module, for the clarity for carrying the target sharpness to be determined that response feeds back to the client.
To achieve the above object, third aspect present invention provides a kind of terminal device, comprising: memory, processor and deposits
The computer program run on the memory and on the processor is stored up, the processor executes the computer program
When, each step in the determination method of the clarity provided such as first aspect of the embodiment of the present invention is provided.
To achieve the above object, fourth aspect present invention provides a kind of computer readable storage medium, is stored thereon with meter
Calculation machine program when the computer program is executed by processor, realizes the determination of the clarity provided such as first aspect present invention
Each step in method.
The present invention provides a kind of determination method of clarity, determines this method comprises: receiving the clarity that client is sent
Request, the clarity determine network speed, hardware running state parameter and the client request in request comprising the client
Initial clarity determine that the client uses and according to the network speed, initial clarity and hardware running state parameter
Target sharpness, by the clarity for carrying the target sharpness determine response feed back to above-mentioned client, it is above-mentioned to indicate
Client carries out video playing according to the target sharpness.Compared with the existing technology, since initial clarity is able to reflect user
Wish, network speed are able to reflect the speed of network load video, and hardware running state parameter is able to reflect the hard of client
Part operating status, therefore the target by combining initial clarity, network speed and hardware operating status to determine that client uses
Clarity, can comprehensively consider user intention, the loading velocity of client and hardware operating condition, and determining clarity is more
Actual conditions with client, accuracy is high, effectively solves the problems such as video loads slowly and plays Caton.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the block schematic illustration of audio/video player system in the embodiment of the present invention；
Fig. 2 a is a flow diagram of the determination method of clarity in the embodiment of the present invention；
Fig. 2 b is a schematic diagram of the display interface of client in the embodiment of the present invention；
Fig. 2 c is another schematic diagram of the display interface based on Fig. 2 b；
Fig. 3 is another flow diagram of the determination method of clarity in the embodiment of the present invention；
Fig. 4 is the interaction figure of audio/video player system in the embodiment of the present invention；
Fig. 5 is a structural schematic diagram of the determining device of clarity in the embodiment of the present invention；
Fig. 6 is another structural schematic diagram of the determining device of clarity in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of terminal device in the embodiment of the present invention.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Due to utilizing the clarity of user's manual setting to play video in the prior art, there are video loads slowly, plays card
The technical issues of pausing.
To solve the above-mentioned problems, the present invention proposes a kind of determination method of clarity, compared with the existing technology, due to first
Beginning clarity is able to reflect user intention, network speed is able to reflect the speed that network loads video, and hardware operating status is joined
Number is able to reflect the hardware operating status of client, therefore by combining initial clarity, network speed and hardware operating status
It determines the target sharpness that client uses, user intention, the loading velocity of client and hardware operation feelings can be comprehensively considered
Condition, determining clarity more match the actual conditions of client, and accuracy is high, effectively solve video and load slowly and play Caton
The problems such as.
Technical solution in embodiment in order to better understand the present invention, referring to Fig. 1, for video in the embodiment of the present invention
The block schematic illustration of play system, comprising: client, service server, video server.Wherein, client refers to that video is answered
With program, service server is used to provide the related data of video to be played, such as clarity and the load address of video etc.,
Video server is for providing video.Specifically, client will send request to service server, service server will be based on should
The load address of determining clarity and the corresponding video to be played of the clarity is requested, and above-mentioned clarity and load address are taken
Band feeds back to client in the response, and client will load corresponding video using the load address, and according to above-mentioned clarity
Play the video loaded.In embodiments of the present invention, it will be described in the determination method of above-mentioned clarity.
Fig. 2 a is please referred to, is the flow diagram of the determination method of the clarity in the embodiment of the present invention, comprising:
Step 201 receives the determining request of clarity that client is sent, and the clarity determines that request includes the client
The initial clarity of the network speed at end, hardware running state parameter and the client request；
Step 202, according to the network speed, the initial clarity and the hardware running state parameter, determine institute
State the target sharpness that client uses；
The clarity for carrying the target sharpness is determined that response feeds back to the client by step 203.
In embodiments of the present invention, the determination method of above-mentioned clarity by clarity determining device (hereinafter referred to as are as follows:
Determining device) it realizes, which is program module, and belongs to service server, is stored in the readable of service server and deposits
In storage media, the processor in service server can call above-mentioned determining device, to realize the method in the embodiment of the present invention.
In embodiments of the present invention, clarity refers to the readability on each thin portion shadow line and its boundary on image, and has more
Kind different clarity, for example, clarity is from low to high successively are as follows: SD (270P), high definition (480P), super clear (720P), indigo plant
Light (1080P), and clarity is higher, corresponding code rate is higher, when code rate refers to data transmission, the data of transmission per unit of time
Digit.The corresponding code rate of SD is 300kbps, and the corresponding code rate of high definition is 550kbps, super clear corresponding code rate is
The corresponding code rate of 1160kbps, blue light is 2100kbps.
Wherein, user can choose the initial clarity of the video to be played after client selects video to be played,
In addition, client will acquire the data such as network speed, hardware running state parameter, and above-mentioned network speed, hardware are run into shape
State parameter and initial clarity, which are carried, to be determined in request in clarity and is sent to service server, wherein hardware operating status with
The hardware of terminal where client is related, which includes at least memory and central processing unit, and being able to reflect client is made
The state of hardware.Wherein, if user and non-selected initial clarity, using the clarity of client default as above-mentioned first
Beginning clarity.
It is understood that client after entrance video playing interface, if user has selected initial clarity, is incited somebody to action
The initial clarity of the selection, which is carried, is sent to service server in the determining request of clarity, if user is non-selected initial clear
The clarity of default is then carried as initial clarity and is sent to service server in the determining request of clarity by degree.In addition,
For client during playing video according to some clarity, user can change clarity by way of selection, and
Triggering is generated into clarity and determines request, the clarity after change, which determines carrying in the clarity, is sent to business clothes in request
Business device, to realize the switching of clarity in playing process.Wherein, fixed clarity can be shown on broadcast interface, such as schemed
It is a schematic diagram of broadcast interface, the video which plays is " loyaly loving speechless ", in the left side at interface shown in 2b
Meta position is set to one " locking " label, clicks and is somebody's turn to do " locking " label, will lock the broadcasting of video.The lower end at interface from left to right according to
It is secondary that for control label, (control is labeled as pause flag at this time, shows that video is playing, if clicking the pause flag, video will
Placed in a suspend state, and control label is switched to and plays label), played duration (a length of 20 when played in Fig. 2 b:
05), (the video total duration in Fig. 2 b is clear used in 50:35), currently playing video for playing progress bar, video total duration
Degree (being SD in Fig. 2 b).User can click " SD " in Fig. 2 b, then will show all clarity, please refer to Fig. 2 c, be
Another schematic diagram of display interface, when Fig. 2 c is that user clicks clarity used in currently playing video (SD), display
Display resolution list on interface, user can select a clarity as initial clarity in the list.
Wherein, the determining device in service server is after receiving above-mentioned clarity and determining request, according to above-mentioned net
Network speed, initial clarity and hardware running state parameter determine the target sharpness that the client uses, and target is clear
Clear degree, which is carried, feeds back to client in clarity is determined and responded, and it is to be played to indicate that the client is played according to the target sharpness
Video, it may be assumed that target sharpness refers to the clarity that video to be played is actually used in client terminal playing.Wherein, clearly
Degree determines that request is for requesting to determine the target sharpness that this plays video.In practical applications, which determines
Request can also be further used for obtain load address, i.e., realization video playing request function, with obtain target sharpness and
The load address of the video to be played of the target sharpness.
It should be noted that clarity determines that the network speed for including in request and hardware running state parameter can be visitor
The instant value that family end is got, such as the network speed and the hardware running state parameter at a certain moment at a certain moment,
It can be the average value in preset time period, for example, network speed can be the network speed of past a period of time (such as 1 minute)
The average value of degree, hardware running state parameter can be the average value of the hardware running state parameter of the past period.It can be with
Understand, latter approach is better than former, can be avoided since performance parameter mutation bring influences what clarity determined
The problem of accuracy.
In embodiments of the present invention, it receives the clarity that client is sent and determines request, which determines wraps in request
The initial clarity of network speed, hardware running state parameter containing the client and the client request, and according to the network
Speed, initial clarity and hardware running state parameter determine the target sharpness that the client uses, and will carry the mesh
The clarity of mark clarity determines that response feeds back to above-mentioned client, to indicate that above-mentioned client is carried out according to the target sharpness
Video playing.Since initial clarity is able to reflect user intention, network speed is able to reflect the speed that network loads video, and
Hardware running state parameter is able to reflect the hardware operating status of client, therefore by combining initial clarity, network speed
And hardware operating status determines the target sharpness that client uses, and can comprehensively consider the load speed of user intention, client
Degree and hardware operating condition, determining clarity more match the actual conditions of client, and accuracy is high, effectively solve video and add
The problems such as carrying slow and broadcasting Caton.
Referring to Fig. 3, for the flow diagram of the determination method of clarity in the embodiment of the present invention, comprising:
Step 301 receives the determining request of clarity that client is sent, and the clarity determines that request includes the client
The initial clarity of the network speed at end, hardware running state parameter and the client request；
Step 302, according to the network speed and the initial clarity, it is determining with the matched candidate of the network speed
Clarity；
Step 303, according to the candidate clarity, the hardware running state parameter, it is determining to run shape with the hardware
The matched target sharpness of state parameter；
The clarity for carrying the target sharpness is determined that response feeds back to the client by step 304.
In embodiments of the present invention, determining device will be according to network speed and initial clarity, determining and network speed
The candidate clarity matched, specifically, needing to use the corresponding minimal network speed of the initial clarity, the minimal network speed
When referring to according to the initial clarity smooth playing, the minimum value of network speed.Be greater than when the network speed of above-mentioned client or
When minimal network speed corresponding equal to the initial clarity, it is smooth according to the initial clarity to show that network speed can satisfy
Network speed demand when broadcasting, at this point, using the initial clarity as candidate clarity.When the network speed of above-mentioned client
When minimal network speed corresponding less than initial clarity, shows that network speed is unable to satisfy and broadcast according to the initial clarity smoothness
Network speed demand when putting, at this point, candidate clarity will be determined using network speed.
Wherein, it determines that candidate clarity is specifically as follows using network speed: determining that the network speed can satisfy most
Big clarity, using the utmost sharpness as candidate clarity, for example, initial clarity is blue light if network speed is A, and
If network speed A is less than minimal network speed B required for blue light, it is determined which clarity network speed A can satisfy
Broadcasting demand, however, it is determined that can satisfy the broadcasting demand of SD, high definition and the super clarity such as clear, be then super clear by utmost sharpness
As candidate clarity.Alternatively, searching the corresponding relationship of pre-set network speed range and clarity, the client is determined
Network speed belonging to network speed range, and by corresponding with range clarity as candidate clarity.
In embodiments of the present invention, after obtaining candidate clarity based on network speed and initial clarity, also by root
According to candidate's clarity, the determination of above-mentioned hardware running state parameter and the matched target sharpness of hardware running state parameter.
It should be noted that above-mentioned hardware running state parameter is related to memory and/or central processing unit (Central
Processing Unit, CPU), therefore, there are three types of situations for above-mentioned hardware running state parameter, it is illustrated individually below:
A: hardware running state parameter is the free memory of client
When hardware running state parameter is the free memory of client, will use into the corresponding minimum of candidate clarity
It deposits, is saved as in the minimum when being played out according to candidate's clarity, it is ensured that under the premise of playing process is smooth, the minimum of memory
Value.
When the free memory of client minimum memory corresponding more than or equal to candidate clarity, show free memory energy
Memory requirements when enough satisfactions are according to candidate clarity smooth playing, accordingly, it is determined that candidate's clarity is target sharpness；When
When the free memory of above-mentioned client is less than candidate clarity corresponding minimum memory, show that free memory is unable to satisfy according to time
Memory requirements when clarity smooth playing is selected, determines the target sharpness using free memory.
Wherein, the corresponding relationship between the range of free memory and clarity is preset, the corresponding relationship can be searched,
Determine the range of free memory belonging to above-mentioned free memory, and the corresponding clarity of the range is clear as above-mentioned target
Degree.Alternatively, determine memory requirements when which clarity smooth playing the free memory can satisfy, and from can satisfy memory
Select utmost sharpness as target sharpness in the clarity of demand.
B: hardware running state parameter is the CPU usage of client
When hardware running state parameter is the CPU usage of client, then will use corresponding most to candidate clarity
Big CPU usage.Wherein, CPU usage is higher, shows that the application program for occupying CPU is more, operating status is more bad, and CPU is used
Rate is lower, shows that the application program for occupying CPU is few, operating status is better.Wherein, maximum CPU usage is clear according to the candidate
When clear degree plays out, it is ensured that under the premise of playing process is smooth, the maximum value of CPU usage.
When the CPU usage of client maximum CPU usage corresponding less than or equal to candidate clarity, show above-mentioned
CPU usage can satisfy according to demand when candidate clarity smooth playing to CPU, determine that candidate's clarity is that target is clear
Clear degree；When above-mentioned CPU usage maximum CPU usage corresponding greater than candidate clarity, show that above-mentioned CPU usage cannot
Enough meet the needs of according to when candidate clarity smooth playing to CPU, will determine target that client uses using CPU usage
Clarity.
Wherein, the corresponding relationship between CPU usage range and clarity is preset, determining device searches correspondence pass
System, determines CPU usage range belonging to the CPU usage of client, and the corresponding clarity of the range is clear as target
Clear degree.Alternatively, determine cpu demand when which clarity smooth playing the CPU usage can satisfy according to, and from can expire
Select utmost sharpness as target sharpness in the clarity of sufficient cpu demand.
C: hardware running state parameter includes the free memory and CPU usage of client
When hardware running state parameter includes free memory and CPU usage, will use corresponding to candidate clarity
Minimum memory, and the corresponding maximum CPU usage of candidate clarity.
And determining device is by the first size of the free memory minimum memory corresponding with candidate clarity for determining client
Relationship, and determine the second size relation of CPU usage maximum CPU usage corresponding with candidate clarity, and further
The target sharpness that client uses is determined according to above-mentioned first size relation and the second size relation.
Wherein, target sharpness that client uses is determined according to the first size relation and the second size relation, specifically had
Several situations below:
When the first size relation is that free memory is greater than or equal to minimum memory, and the second size relation is CPU usage
When less than or equal to maximum CPU usage, show memory when free memory can satisfy according to candidate clarity smooth playing
Demand, and cpu demand when CPU usage can satisfy according to candidate clarity smooth playing, accordingly, it is determined that candidate clarity
For target sharpness.
When the first size relation is that free memory is less than minimum memory, and the second size relation be CPU usage be less than or
When equal to maximum CPU usage, show memory requirements of the free memory it is impossible to meet according to candidate clarity smooth playing when,
But cpu demand of CPU usage when can satisfy according to candidate clarity smooth playing, at this point, making without the concern for CPU
With rate, and need to consider the influence of memory, accordingly, it is determined that device is clear by the target for determining that client uses using free memory
Degree.Specifically, the corresponding relationship between the range and clarity of preset free memory can be searched, the residue of client is determined
Range belonging to memory, and using the corresponding clarity of the range as above-mentioned target sharpness, alternatively, determining the free memory energy
Enough meet the memory requirements when smooth playing of which clarity, and selects maximum from the clarity for can satisfy memory requirements
Clarity is as target sharpness.
When the first size relation is that free memory is greater than or equal to minimum memory, and the second size relation is CPU usage
When greater than maximum CPU usage, show memory requirements when free memory can satisfy according to candidate clarity smooth playing, but
It is cpu demand when CPU usage is not able to satisfy according to candidate clarity smooth playing, at this point, without the concern for free memory,
And need to consider the influence of CPU, accordingly, it is determined that device will determine target sharpness that client uses using CPU usage.Its
In, determine that the target sharpness that client uses comprises determining that device is searched pre-set CPU and used using CPU usage
Corresponding relationship between rate range and clarity determines CPU usage range belonging to the CPU usage of client, and should
The corresponding clarity of range is as target sharpness.Alternatively, it is smooth according to which clarity to determine that the CPU usage can satisfy
Cpu demand when broadcasting, and select utmost sharpness as target sharpness from the clarity for can satisfy cpu demand.
When the first size relation is that free memory is less than minimum memory, and the second size relation is that CPU usage is greater than most
When big CPU usage, show memory requirements when free memory is unable to satisfy according to candidate clarity smooth playing, and can not expire
Cpu demand when foot is according to candidate clarity smooth playing, will comprehensively consider free memory and CPU usage at this time, and utilize this
Free memory and CPU usage determine the target sharpness that client uses.Specifically, determining free memory corresponding first clearly
Clear degree set, and determine the corresponding second clarity set of CPU usage, wherein free memory can satisfy clear according to first
Memory requirements in clear degree set when all clarity smooth playings, CPU usage can satisfy according to the second clarity set
In all clarity smooth playings when cpu demand.Determine the first clarity set and the second clarity intersection of sets collection, and from
Select utmost sharpness as above-mentioned target sharpness in intersection.
In embodiments of the present invention, determining device determines request for the clarity that client is sent is received, and the clarity is true
It include network speed, hardware running state parameter and the initial clarity of client in fixed request, according to the network speed and just
Beginning clarity, the matched candidate clarity of determining and network speed, according to candidate's clarity, hardware running state parameter, really
The fixed and matched target sharpness of hardware running state parameter, and the target sharpness is carried and is determined in response instead in clarity
It feeds client, to indicate that client plays video according to the target sharpness.Compared with the existing technology, due to initial clarity
Be able to reflect user intention, network speed is able to reflect the speed of network load video, and hardware running state parameter can be anti-
The hardware operating status of client is reflected, therefore by combining initial clarity, network speed and hardware operating status to determine client
The target sharpness used is held, user intention, the loading velocity of client and hardware operating condition can be comprehensively considered, is determined
Clarity more matches the actual conditions of client, and accuracy is high, effectively solves the problems such as video loads slowly and plays Caton.
Technical solution in embodiment in order to better understand the present invention, referring to Fig. 4, for video in the embodiment of the present invention
The interaction figure of play system, comprising:
Step 401, client send clarity to service server and determine request, which determines to include net in request
The hardware running state parameter of network speed, the initial clarity of request and client；
Step 402, service server are determining matched candidate clear with network speed using network speed, initial clarity
Degree；
Step 403, service server utilize candidate clarity and hardware running state parameter, determining and hardware operating status
Matched target sharpness；
Step 404, service server obtain load address of the video to be played under target sharpness；
Step 405, service server send the resolution response comprising target sharpness and load address and request to client
End；
Step 406, client send the load request comprising load address to video server；
Step 407, video server send the load response comprising the video file being loaded into the client；
Step 408, client are according to target sharpness playing video file.
It is understood that the related content in the interaction figure of Fig. 4 specifically can be refering in Fig. 2 a and embodiment illustrated in fig. 3
The content of description, is not repeated herein.
It should be noted that the hardware running state parameter in client is not able to satisfy the need of candidate clarity smooth playing
When asking, show that the running environment of client is poor, needs to reduce clarity to realize smooth playing.For example, in free memory
When being only able to satisfy the memory requirements of the smooth playing of high definition and SD, if still according to it is super it is clear play out, will cause in system
It is big to deposit pressure, brings system Caton, the slack problem of video playing, at this point, clarity is reduced to high definition or SD, ability
The smoothness for enough ensuring video playing reduces the consumption of the overall performance of client, and when reducing user's viewing video, video load is slow
The waiting time of punching.
Referring to Fig. 5, for the structural schematic diagram of the determining device of clarity in the embodiment of the present invention, which includes:
Receiving module 501, the clarity for receiving client transmission determine request, and the clarity determines that request includes
The initial clarity of the network speed of the client, hardware running state parameter and the client request；
Determining module 502, for being joined according to the network speed, the initial clarity and the hardware operating status
Number, determines the target sharpness that the client uses；
Feedback module 503, for the clarity for carrying the target sharpness to be determined that response feeds back to the client
End.
In embodiments of the present invention, clarity refers to the readability on each thin portion shadow line and its boundary on image, and has more
Kind different clarity, for example, clarity is from low to high successively are as follows: SD (270P), high definition (480P), super clear (720P), indigo plant
Light (1080P), and clarity is higher, corresponding code rate is higher, when code rate refers to data transmission, the data of transmission per unit of time
Digit.The corresponding code rate of SD is 300kbps, and the corresponding code rate of high definition is 550kbps, super clear corresponding code rate is
The corresponding code rate of 1160kbps, blue light is 2100kbps.
Wherein, user can choose the initial clarity of the video to be played after client selects video to be played,
In addition, client will acquire the data such as network speed, hardware running state parameter, and above-mentioned network speed, hardware are run into shape
State parameter and initial clarity, which are carried, to be determined in request in clarity and is sent to receiving module 501, wherein hardware operating status with
The hardware of terminal where client is related, which includes at least memory and central processing unit, and being able to reflect client is made
The state of hardware.Wherein, if user and non-selected initial clarity, using the clarity of client default as above-mentioned first
Beginning clarity.
It is understood that client after entrance video playing interface, if user has selected initial clarity, is incited somebody to action
The initial clarity of the selection, which is carried, is sent to service server in the determining request of clarity, if user is non-selected initial clear
The clarity of default is then carried as initial clarity and is sent to service server in the determining request of clarity by degree.In addition,
For client during playing video according to some clarity, user can change clarity by way of selection, and
Triggering is generated into clarity and determines request, the clarity after change, which determines carrying in the clarity, is sent to business clothes in request
Business device, to realize the switching of clarity in playing process.Wherein, fixed clarity can be shown on broadcast interface, such as schemed
It is a schematic diagram of broadcast interface, the video which plays is " loyaly loving speechless ", in the left side at interface shown in 2b
Meta position is set to one " locking " label, clicks and is somebody's turn to do " locking " label, will lock the broadcasting of video.The lower end at interface from left to right according to
It is secondary that for control label, (control is labeled as pause flag at this time, shows that video is playing, if clicking the pause flag, video will
Placed in a suspend state, and control label is switched to and plays label), played duration (a length of 20 when played in Fig. 2 b:
05), (the video total duration in Fig. 2 b is clear used in 50:35), currently playing video for playing progress bar, video total duration
Degree (being SD in Fig. 2 b).User can click " SD " in Fig. 2 b, then will show all clarity, please refer to Fig. 2 c, be
Another schematic diagram of display interface, when Fig. 2 c is that user clicks clarity used in currently playing video (SD), display
Display resolution list on interface, user can select a clarity as initial clarity in the list.
Wherein, receiving module 501 is after receiving above-mentioned clarity and determining request, and determining module 502 is according to above-mentioned net
Network speed, initial clarity and hardware running state parameter determine the target sharpness that client uses, and by feedback module
Target sharpness carrying is fed back to client in clarity is determined and responded by 503, indicates that the client is clear according to the target
Degree plays video to be played, it may be assumed that target sharpness refers to that video to be played actually uses clear in client terminal playing
Degree.Wherein, clarity determines that request is the target sharpness for requesting to determine this time broadcasting video.In practical applications,
The clarity determines that request can also be further used for obtaining load address, the i.e. function of realization video playing request, to obtain
The load address of the video to be played of target sharpness and the target sharpness.
It should be noted that clarity determines that the network speed for including in request and hardware running state parameter can be visitor
The instant value that family end is got, such as the network speed and the hardware running state parameter at a certain moment at a certain moment,
It can be the average value in preset time period, for example, network speed can be the network speed of past a period of time (such as 1 minute)
The average value of degree, hardware running state parameter can be the average value of the hardware running state parameter of the past period.It can be with
Understand, latter approach is better than former, can be avoided since performance parameter mutation bring influences what clarity determined
The problem of accuracy.
In embodiments of the present invention, it receives the clarity that client is sent and determines request, which determines wraps in request
The initial clarity of network speed, hardware running state parameter containing the client and the client request, and according to the network
Speed, initial clarity and hardware running state parameter determine the target sharpness that client uses, and it is clear will to carry the target
The clarity of clear degree determines that response feeds back to above-mentioned client, to indicate that above-mentioned client carries out video according to the target sharpness
It plays.Compared with the existing technology, since initial clarity is able to reflect user intention, network speed is able to reflect network load view
The speed of frequency, and hardware running state parameter is able to reflect the hardware operating status of client, therefore initial clear by combining
Degree, network speed and hardware operating status determine the target sharpness that client uses, and can comprehensively consider user intention, client
The loading velocity and hardware operating condition at end, determining clarity more match the actual conditions of client, and accuracy is high, effectively
The problems such as solving slow video load and broadcasting Caton.
Referring to Fig. 6, for the schematic diagram of another structure of clarity determining device in the embodiment of the present invention, including such as Fig. 5
Receiving module 501, determining module 502 and feedback module 503 in illustrated embodiment, and with described in embodiment illustrated in fig. 5
Content is inconsistent, is not repeated herein.
In embodiments of the present invention, determining module 502 includes:
First determining module 601, for according to the network speed and the initial clarity, the determining and described network speed
Spend matched candidate clarity；
Second determining module 602, for according to the candidate clarity, the hardware running state parameter, determining and institute
State the matched target sharpness of hardware running state parameter.
Wherein, the first determining module 601 is specifically used for:
When the network speed is greater than or equal to the corresponding minimal network speed of the initial clarity, will it is described initially
Clarity is as candidate clarity；
When the network speed is less than the corresponding minimal network speed of the initial clarity, the network speed is utilized
Determine the candidate clarity.
In embodiments of the present invention, when hardware running state parameter is the free memory of the client, second is determined
Module 602 is specifically used for:
When the free memory minimum memory corresponding more than or equal to candidate's clarity, determine described candidate clear
Clear degree is the target sharpness；
When the free memory minimum memory corresponding less than candidate's clarity, determined using the free memory
The target sharpness.
In embodiments of the present invention, when hardware running state parameter is the CPU usage of the client, second is determined
Module 602 is specifically used for:
When the CPU usage maximum CPU usage corresponding less than or equal to candidate's clarity, described in determination
Candidate clarity is the target sharpness；
When the CPU usage maximum CPU usage corresponding greater than candidate's clarity, made using the CPU
The target sharpness is determined with rate.
In embodiments of the present invention, when hardware running state parameter includes that the free memory of the client and CPU are used
When rate, the second determining module 602 is specifically used for:
It determines the first size relation of the free memory minimum memory corresponding with candidate's clarity, and determines institute
State the second size relation of CPU usage maximum CPU usage corresponding with candidate's clarity；According to first size
Relationship and second size relation determine the target sharpness.
Wherein, in the case where hardware running state parameter includes free memory and CPU usage, the second determining module
602, specifically there are following several situations:
When the first size relation is that free memory is greater than or equal to minimum memory, and the second size relation is CPU usage
When less than or equal to maximum CPU usage, show memory when free memory can satisfy according to candidate clarity smooth playing
Demand, and cpu demand when CPU usage can satisfy according to candidate clarity smooth playing, therefore, the second determining module
602 determine that candidate clarity is target sharpness.
When the first size relation is that free memory is less than minimum memory, and the second size relation be CPU usage be less than or
When equal to maximum CPU usage, show memory requirements of the free memory it is impossible to meet according to candidate clarity smooth playing when,
But cpu demand of CPU usage when can satisfy according to candidate clarity smooth playing, at this point, making without the concern for CPU
With rate, and need to consider the influence of memory, therefore, the second determining module 602 will determine what client used using free memory
Target sharpness.Specifically, the corresponding relationship between the range and clarity of preset free memory can be searched, client is determined
Range belonging to the free memory at end, and using the corresponding clarity of the range as above-mentioned target sharpness, alternatively, determining that this is surplus
Remaining memory can satisfy the memory requirements when smooth playing of which clarity, and from the clarity that can satisfy memory requirements
Select utmost sharpness as target sharpness.
When the first size relation is that free memory is greater than or equal to minimum memory, and the second size relation is CPU usage
When greater than maximum CPU usage, show memory requirements when free memory can satisfy according to candidate clarity smooth playing, but
It is cpu demand when CPU usage is not able to satisfy according to candidate clarity smooth playing, at this point, without the concern for free memory,
And need to consider the influence of CPU, therefore, the second determining module 602 is clear by the target for determining that client uses using CPU usage
Clear degree.Wherein, determine that the target sharpness that client uses comprises determining that device lookup is pre-set using CPU usage
Corresponding relationship between CPU usage range and clarity determines CPU usage range belonging to the CPU usage of client,
And using the corresponding clarity of the range as target sharpness.Alternatively, it is clear according to which to determine that the CPU usage can satisfy
Cpu demand when smooth playing is spent, and selects utmost sharpness clear as target from the clarity for can satisfy cpu demand
Degree.
When the first size relation is that free memory is less than minimum memory, and the second size relation is that CPU usage is greater than most
When big CPU usage, show memory requirements when free memory is unable to satisfy according to candidate clarity smooth playing, and can not expire
Cpu demand when foot is according to candidate clarity smooth playing, will comprehensively consider free memory and CPU usage at this time, and utilize this
Free memory and CPU usage determine the target sharpness that client uses.Specifically, determining free memory corresponding first clearly
Clear degree set, and determine the corresponding second clarity set of CPU usage, wherein free memory can satisfy clear according to first
Memory requirements in clear degree set when all clarity smooth playings, CPU usage can satisfy according to the second clarity set
In all clarity smooth playings when cpu demand.Determine the first clarity set and the second clarity intersection of sets collection, and from
Select utmost sharpness as above-mentioned target sharpness in intersection.
In embodiments of the present invention, determining device determines request for the clarity that client is sent is received, and the clarity is true
It include network speed, hardware running state parameter and the initial clarity of client in fixed request, according to the network speed and just
Beginning clarity, the matched candidate clarity of determining and network speed, according to candidate's clarity, hardware running state parameter, really
The fixed and matched target sharpness of hardware running state parameter, and the target sharpness is carried and is determined in response instead in clarity
It feeds client, to indicate that client plays video according to the target sharpness.Compared with the existing technology, due to initial clarity
Be able to reflect user intention, network speed is able to reflect the speed of network load video, and hardware running state parameter can be anti-
The hardware operating status of client is reflected, therefore by combining initial clarity, network speed and hardware operating status to determine client
The target sharpness used is held, user intention, the loading velocity of client and hardware operating condition can be comprehensively considered, is determined
Clarity more matches the actual conditions of client, and accuracy is high, effectively solves the problems such as video loads slowly and plays Caton.
The embodiment of the present invention also provides a kind of terminal device, including memory, processor and is stored on the memory
And the computer program run on a processor, when which executes above-mentioned computer program, realize as shown in Fig. 2 a or Fig. 3
Each step in the determination method of clarity in embodiment.
The embodiment of the present invention also provides a kind of readable storage medium storing program for executing, is stored thereon with computer program, the computer program
When being executed by processor, each step of the determination method such as Fig. 2 a or the clarity in embodiment illustrated in fig. 3 is realized.
It is understood that in embodiments of the present invention, the determining device of above-mentioned clarity is a kind of terminal device, it should
Terminal device specifically can be service server, and the technical solution in embodiment, please refers to figure in order to better understand the present invention
7, it is the structural schematic diagram of terminal device 70 in the embodiment of the present invention.The terminal device 70 includes processor 701, memory 702
With transceiver 703, memory 702 may include read-only memory and random access memory, and provide operation to processor 701
Instruction and data.The a part of of memory 702 can also include nonvolatile RAM (NVRAM).
In some embodiments, memory 702 stores following element: executable modules or data structures, or
Their subset of person or their superset.
In embodiments of the present invention, by calling the operational order of the storage of memory 702, (operational order is storable in behaviour
Make in system), it executes following procedure: receiving the clarity that client is sent and determine request, which, which determines in request, includes
The initial clarity of the network speed of the client, hardware running state parameter and the client request, and according to network speed
Degree, initial clarity and hardware running state parameter, determine the target sharpness that the client uses, will carry the target
The clarity of clarity determines that response feeds back to above-mentioned client, to indicate that above-mentioned client is regarded according to the target sharpness
Frequency plays.
Determine that the clarity used when playing, the present invention are real using network speed and initial clarity with middle in the prior art
The terminal device that example offer is provided, since initial clarity is able to reflect user intention, network speed is able to reflect network load view
The speed of frequency, and hardware running state parameter is able to reflect the hardware operating status of client, therefore initial clear by combining
Degree, network speed and hardware operating status determine the target sharpness that client uses, and can comprehensively consider user intention, client
The loading velocity and hardware operating condition at end, determining clarity more match the actual conditions of client, and accuracy is high, effectively
The problems such as solving slow video load and broadcasting Caton.
Wherein, the operation of 701 controlling terminal equipment 70 of processor, processor 701 can also be known as CPU (Central
Processing Unit, central processing unit).Memory 702 may include read-only memory and random access memory, and
Instruction and data is provided to processor 701.The a part of of memory 702 can also include nonvolatile RAM
(NVRAM).The various components of terminal device 70 are coupled by bus system 704 in specific application, wherein total linear system
System 704 can also include power bus, control bus and status signal bus in addition etc. in addition to including data/address bus.But in order to
For the sake of clear explanation, various buses are all designated as bus system 704 in figure.
The method that the embodiments of the present invention disclose can be applied in processor 701, or be realized by processor 701.
Processor 701 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing
Device 910 can be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array
(FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or
Person executes disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or
Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be straight
Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed
At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can
In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 702, and processor 701 is read
Information in access to memory 702, in conjunction with the step of its hardware completion above method.
Above terminal device 70 can be understood that this place was not done refering to the description of Fig. 2 a or embodiment illustrated in fig. 3
It repeats more.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the module, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or module
Letter connection can be electrical property, mechanical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical module, it can and it is in one place, or may be distributed over multiple
On network module.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in a processing module
It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.
If the integrated module is realized in the form of software function module and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not all be this hair
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are to a kind of determination method and device, terminal device and the readable storage medium of clarity provided by the present invention
The description of matter, for those skilled in the art, thought according to an embodiment of the present invention, in specific embodiment and application range
Upper there will be changes, and to sum up, the contents of this specification are not to be construed as limiting the invention.
Claims (15)
1. a kind of determination method of clarity, which is characterized in that the described method includes:
It receives the clarity that client is sent and determines request, the clarity determines network speed of the request comprising the client
The initial clarity of degree, hardware running state parameter and the client request；
According to the network speed, the initial clarity and the hardware running state parameter, determine that the client uses
Target sharpness；
The clarity for carrying the target sharpness is determined that response feeds back to the client.
2. the method according to claim 1, wherein described according to the network speed, the initial clarity
And the hardware running state parameter, determine the target sharpness that the client uses, comprising:
According to the network speed and the initial clarity, the matched candidate clarity of the determining and network speed；
According to the candidate clarity, the hardware running state parameter, determination is matched with the hardware running state parameter
The target sharpness.
3. according to the method described in claim 2, it is characterized in that, described according to the network speed and described initial clear
Degree, the matched candidate clarity of the determining and network speed, comprising:
When the network speed is greater than or equal to the corresponding minimal network speed of the initial clarity, will it is described it is initial clearly
Degree is as candidate clarity；
When the network speed is less than the corresponding minimal network speed of the initial clarity, the network speed is utilized to determine
Candidate's clarity.
4. according to it is described require 2 described in method, which is characterized in that the hardware running state parameter is the surplus of the client
Remaining memory；
It is then described according to the candidate clarity, the hardware running state parameter, the determining and hardware running state parameter
The matched target sharpness, comprising:
When the free memory minimum memory corresponding more than or equal to candidate's clarity, the candidate clarity is determined
For the target sharpness；
When the free memory minimum memory corresponding less than candidate's clarity, using described in free memory determination
Target sharpness.
5. according to the method described in claim 2, it is characterized in that, the hardware running state parameter is in the client
Central processor CPU usage；
It is then described according to the candidate clarity, the hardware running state parameter, the determining and hardware running state parameter
The matched target sharpness, comprising:
When the CPU usage maximum CPU usage corresponding less than or equal to candidate's clarity, the candidate is determined
Clarity is the target sharpness；
When the CPU usage maximum CPU usage corresponding greater than candidate's clarity, the CPU usage is utilized
Determine the target sharpness.
6. according to the method described in claim 2, it is characterized in that, the hardware state parameter includes the residue of the client
Memory and CPU usage；
It is then described according to the candidate clarity, the hardware running state parameter, the determining and hardware running state parameter
The matched target sharpness, comprising:
Determine the first size relation of the free memory minimum memory corresponding with candidate's clarity, and described in determination
Second size relation of CPU usage maximum CPU usage corresponding with candidate's clarity；
The target sharpness is determined according to first size relation and second size relation.
7. according to the method described in claim 6, it is characterized in that, described according to first size relation and described second largest
Small relationship determines the target sharpness, comprising:
When first size relation is that the free memory is greater than or equal to the minimum memory, and second size relation
When being less than or equal to the maximum CPU usage for the CPU usage, determine that the candidate clarity is that the target is clear
Degree；
When first size relation is that the free memory is less than the minimum memory, and second size relation is described
When CPU usage is less than or equal to the maximum CPU usage, the target sharpness is determined using the free memory；
When first size relation is that the free memory is greater than or equal to the minimum memory, and second size relation
When being greater than the maximum CPU usage for the CPU usage, the target sharpness is determined using the CPU usage；
When first size relation is that the free memory is less than the minimum memory, and second size relation is described
When CPU usage is greater than the maximum CPU usage, the target is determined using the free memory and the CPU usage
Clarity.
8. a kind of determining device of clarity, which is characterized in that described device includes:
Receiving module, the clarity for receiving client transmission determine request, and the clarity determines that request includes the visitor
The initial clarity of the network speed at family end, hardware running state parameter and the client request；
Determining module, for determining institute according to the network speed, the initial clarity and the hardware running state parameter
State the target sharpness that client uses；
Feedback module, for the clarity for carrying the target sharpness to be determined that response feeds back to the client.
9. device according to claim 8, which is characterized in that the determining module, comprising:
First determining module, for according to the network speed and the initial clarity, determination to be matched with the network speed
Candidate clarity；
Second determining module, for according to the candidate clarity, the hardware running state parameter, the determining and hardware to be transported
The matched target sharpness of row state parameter.
10. device according to claim 9, which is characterized in that first determining module is specifically used for:
When the network speed is greater than or equal to the corresponding minimal network speed of the initial clarity, will it is described it is initial clearly
Degree is as candidate clarity；
When the network speed is less than the corresponding minimal network speed of the initial clarity, the network speed is utilized to determine
Candidate's clarity.
11. according to it is described require 9 described in device, which is characterized in that the hardware running state parameter is the client
Free memory；
Then second determining module is specifically used for:
When the free memory minimum memory corresponding more than or equal to candidate's clarity, the candidate clarity is determined
For the target sharpness；
When the free memory minimum memory corresponding less than candidate's clarity, using described in free memory determination
Target sharpness.
12. device according to claim 9, which is characterized in that the hardware running state parameter is the client
Central processor CPU utilization rate；
Then second determining module is specifically used for:
When the CPU usage maximum CPU usage corresponding less than or equal to candidate's clarity, the candidate is determined
Clarity is the target sharpness；
When the CPU usage maximum CPU usage corresponding greater than candidate's clarity, the CPU usage is utilized
Determine the target sharpness.
13. device according to claim 9, which is characterized in that the hardware running state parameter includes the client
Free memory and CPU usage；
Then the second determining module is specifically used for:
Determine the first size relation of the free memory minimum memory corresponding with candidate's clarity, and described in determination
Second size relation of CPU usage maximum CPU usage corresponding with candidate's clarity；
The target sharpness is determined according to first size relation and second size relation.
14. a kind of terminal device, including memory, processor and it is stored on the memory and runs on the processor
Computer program, which is characterized in that when the processor executes the computer program, realize as claim 1 to 7 is any
Each step in the determination method of clarity described in one.
15. a kind of readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that the computer program is processed
When device executes, each step of the determination method of clarity as claimed in any one of claims 1 to 7 is realized.
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