CN107734356A - Video image quality adjustment method, device, terminal device and storage medium - Google Patents
Video image quality adjustment method, device, terminal device and storage medium Download PDFInfo
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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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4756—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for rating content, e.g. scoring a recommended movie
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Abstract
The embodiment of the present application discloses a kind of video image quality adjustment method, device, terminal device and storage medium, when this method includes detecting video playback event, determines whether terminal device meets image quality regularization condition；If meet the image quality regularization condition, it is determined that play the history broadcast information of video, the history broadcast information includes the other users viewing broadcasting record for playing video；The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, the image quality of the broadcasting video is adjusted according to the picture adjusting parameter.This programme improves image quality adjustment flexibility of the terminal device when playing video, and operational efficiency improves, and meets user's request.
Description
Technical field
The invention relates to computer technology, more particularly to a kind of video image quality adjustment method, device, terminal device
And storage medium.
Background technology
With the raising of terminal device popularity, increasing user's using terminal equipment performs various work(
Can be to meet self-demand, such as using terminal equipment reads word, watches video, listen music, play game.When user is using
When terminal device sees video, the image quality of video can significantly affect the definition of video, and image quality more fine definition is higher, while terminal
The consumed flow of device downloads, buffering and operation load are also higher.
In the prior art, for terminal device when carrying out video playback, the regulative mode existing defects of video image quality are, it is necessary to change
Enter.
The content of the invention
The invention provides a kind of video image quality adjustment method, device, terminal device and storage medium so that terminal device
Flow consumption when playing video reduces, and operational efficiency improves.
In a first aspect, the embodiment of the present application provides a kind of video image quality adjustment method, including：
When detecting video playback event, determine whether terminal device meets image quality regularization condition；
If meet the image quality regularization condition, it is determined that play the history broadcast information of video, the history plays letter
Breath includes the other users viewing broadcasting record for playing video；
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, adjusts and joins according to the picture
Several image quality to the broadcasting video are adjusted.
Second aspect, the embodiment of the present application additionally provide a kind of video quality adjustment device, including：
Image quality adjusts trigger module, during for detecting video playback event, determines whether terminal device meets that image quality is adjusted
Shelf-regulating Conditions；
History broadcast information determining module, if for meeting the image quality regularization condition, it is determined that play going through for video
History broadcast information, the history broadcast information include the other users viewing broadcasting record for playing video；
Frame parameter determining module, for determining that the picture of the broadcasting video adjusts ginseng according to the history broadcast information
Number；
Image quality adjusting module, for being adjusted according to the picture adjusting parameter to the image quality of the broadcasting video.
The third aspect, the embodiment of the present application additionally provide a kind of terminal device, including：Processor, memory and storage
On a memory and the computer program that can run on a processor, realized such as during computer program described in the computing device
Video image quality adjustment method described in the embodiment of the present application.
Fourth aspect, the embodiment of the present application additionally provide a kind of storage medium for including terminal device executable instruction, institute
Terminal device executable instruction is stated as being drawn during terminal device computing device for the video described in performing the embodiment of the present application
Matter method of adjustment.
In this programme, when detecting video playback event, determine whether terminal device meets image quality regularization condition, if full
The foot image quality regularization condition, it is determined that play the history broadcast information of video, the history broadcast information includes other users
The broadcasting record of the broadcasting video is watched, the picture for determining the broadcasting video according to the history broadcast information adjusts ginseng
Number, according to the picture adjusting parameter to it is described broadcasting video image quality be adjusted, can in real time, dynamically, reasonably to broadcasting
The image quality for putting video is adjusted so that resource utilization of the terminal device when playing video is more reasonable, system operation effect
Rate improves.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a kind of flow chart for video image quality adjustment method that the embodiment of the present application provides；
Fig. 2 is the flow chart for another video image quality adjustment method that the embodiment of the present application provides；
Fig. 3 is the flow chart for another video image quality adjustment method that the embodiment of the present application provides；
Fig. 4 is the flow chart for another video image quality adjustment method that the embodiment of the present application provides；
Fig. 5 is the flow chart for another video image quality adjustment method that the embodiment of the present application provides；
Fig. 6 is a kind of structured flowchart for video quality adjustment device that the embodiment of the present application provides；
Fig. 7 is a kind of structural representation for terminal device that the embodiment of the present application provides.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used to explain the present invention, rather than limitation of the invention.It also should be noted that for the ease of retouching
State, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
Fig. 1 is a kind of flow chart for video image quality adjustment method that the embodiment of the present application provides, and the present embodiment is applicable to
Situation about being adjusted to image quality during terminal device broadcasting video, the terminal that this method can be provided by the embodiment of the present application
Equipment performs, and the video quality adjustment device of the terminal device can be realized by the way of software and/or hardware, such as Fig. 1 institutes
Show, the concrete scheme that the present embodiment provides is as follows：
When step S101, detecting video playback event, determine whether terminal device meets image quality regularization condition.
With the popularization of terminal device, the situation of user's using terminal equipment viewing video gradually increases, and turns into terminal
The main of equipment realizes one of function.Due to network, the development of hardware performance, the direct using terminal of user in most cases at present
Equipment carries out the search of Internet video, viewing, and the APP such as provided using supplier carries out collection of drama, the video playback of film.
In one embodiment, when detecting video playback event, determine whether terminal device meets image quality regularization condition,
Wherein the video playback event is used to characterize terminal device progress video playback, can be the pressing of the broadcast button of video pictures
Event, can also be list of videos clicks broadcast event, can also be video buffer event etc..When detecting video playback thing
During part, judge whether present terminal equipment meets image quality regularization condition, namely whether need to carry out image quality adjustment.Generally, supply
Business can provide the video resource of a variety of different image quality conditions to adapt to various network bandwidths and user's request, exemplary,
Under identical network bandwidth for transmission environment, the poor video resource of image quality can be with smooth playing, and the video resource that image quality is higher
It is possible that interim card situation.
Determine whether terminal device meets that image quality regularization condition includes：Determine that the present flow rate of the terminal device uses mould
Whether at least one of formula, system load and dump energy meet image quality regularization condition.Wherein, present flow rate use pattern bag
Wifi network connection mode and mobile capaciated flow network pattern are included, system load includes cpu load, memory usage, dump energy
For the dump energy of terminal device battery.
If step S102, meet the image quality regularization condition, it is determined that the history broadcast information of video is played, it is described to go through
History broadcast information includes the other users viewing broadcasting record for playing video.
In one embodiment, can when the network connection mode for determining terminal device is mobile capaciated flow network pattern
Assert that terminal device meets image quality regularization condition；In one embodiment, when the system load for determining terminal device is higher (such as
Cpu load is more than 80%, when memory usage is more than 80%), can assert that terminal device meets image quality regularization condition；In a reality
Apply in example, when determining that dump energy is less than predetermined threshold value (such as 30%), can assert that terminal device meets image quality regularization condition；
In one embodiment, it can also be that the conditions such as present flow rate use pattern, system load and the dump energy of opposite equip. are entered
Row is combined to judge whether terminal device meets image quality regularization condition.
After determining that terminal device meets image quality regularization condition, it is determined that the history broadcast information of video is played, it is described to go through
History broadcast information includes the other users viewing broadcasting record for playing video.Wherein, each terminal device is playing video
During the broadcasting of video can be recorded, such as redirect record, drag and drop record and fast forwarding and fast rewinding record, optionally, for
For redirecting record, the content of record redirects start node, end node including video, for rewind forwarding operation, record
Content include the start node of fast forwarding and fast rewinding, end node in video, similarly, for drag-and-drop operation, the content of record includes
Drag and drop start node, end node in video, wherein each node can be using the reproduction time in video as mark.Each terminal
Equipment can be uploaded to after broadcasting is recorded, stored in the server for providing the broadcasting video resource, can also be sent
Into the other terminal devices for equally loading the video.
In another embodiment, the history for the video that history broadcast information includes associating with the broadcasting video plays letter
Breath, wherein, it is same serial series video with playing the video that associates of video to include and play video, or same video
Editor, the video of flim editing and making and same type of video etc..
Step S103, the picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, according to described in
Picture adjusting parameter is adjusted to the image quality of the broadcasting video.
In one embodiment, record, drag and drop record and fast forwarding and fast rewinding record can be redirected according in history broadcast information
Carry out the image quality adjustment of video.It is exemplary, it is assumed that currently playing video when a length of 35 minutes, wherein, history plays record
In other users redirected when playing the video at the 10th minute, jump to the 20th minute, then accordingly at the 10th point
Image quality adjustment is carried out using the corresponding image quality adjusting parameter for reducing image sharpness when clock carries out video buffer, played.
In one embodiment, the picture adjusting parameter bag of the broadcasting video is determined according to the history broadcast information
Include：The picture adjusting parameter of the broadcasting video, the default mould are determined according to the history broadcast information and preset model
Type is trained to obtain by machine learning.Wherein, the preset model can be trained to learn by great amount of samples by server
Arrive, can be learnt by supervised, non-supervisory formula learns, semi-supervised learning or intensified learning obtain, the calculation used in learning process
Method includes：Regression algorithm, the algorithm of Case-based Reasoning, regularization algorithm, decision Tree algorithms, bayesian algorithm, the algorithm based on core,
Clustering algorithm, association rule algorithm, artificial neural network algorithm, deep learning algorithm and reduction dimension algorithm etc..Specifically,
Using the history broadcast information as input, input into the preset model broadcasting uniquely determined accordingly to export and record, show
Example property, history broadcast information redirects record including 10, wherein every redirect record in record redirect starting point and end
Point may it is identical may also be different, the preset model is redirected record to this 10 and is learnt, analyzes and obtained most with assessment prediction
Maximum probability redirects start node and end node, it is determined that after according to by this determine redirect start node and terminate save
Image quality between point carries out reduction adjustment.
In one embodiment, after determining frame out adjusting parameter, the adjusting parameter or corresponding adjust instruction can be sent out
Deliver to and provide the video server for playing video to carry out the adjustment of video image quality.Exemplary, video can be transmitted in terminal device
High definition play instruction, when server receives the instruction, will play video and be adjusted to high definition to server.Optionally, this is regarded
Frequency high definition play instruction can be sent by calling image quality preset in video player to adjust interface.
In one embodiment, it can also be the adjustment to video buffer data volume.In video display process, player leads to
Download part video content can be often buffered in advance into the caching of terminal device, so as to avoid the shadow of instantaneous network speed during video playback
Ring and can smooth playing, in the embodiment, while being adjusted according to picture adjusting parameter to the image quality for playing video,
Data buffering amount size can be carried out, buffer the adjustment of duration.Exemplary, after terminal device meets image quality regularization condition, draw
When matter is adjusted to low image quality, shorten amount of buffered data (such as amount of buffered data is arranged to 1M) and buffering duration accordingly (such as
Buffering duration is arranged to 5 seconds), thus avoid amount of buffered data excessive or buffering duration is long and user is not watched to the buffering
The meaningless increase of flow unnecessary consumption and system load caused by amount terminates.Specifically, buffering modification is supported server end
Video playback mode can use and send buffering modification instruction is set to server, to carry out the setting of amount of buffered data modification,
The video playback of modification is not supported for server end, the mode of speed limit, exemplary when terminal device takes Flow Limit, flow
Rate limitation is the 30% of original flow speed, and detects that it is 3 seconds that the time that flow is opened is limited when video buffer starts, when
Detect that buffered video is again turned on data traffic and continues to carry out data buffering in 3 seconds after finishing.
As shown in the above, when terminal device meets image quality regularization condition, the history according to currently playing video is broadcast
The adaptive adjustment that record carries out image quality is put, it (can also be it of user oneself that the history, which plays record and characterizes other users,
It is preceding to play record) broadcasting situation when playing the video, infer to obtain by machine learning model and meet active user's demand
Image quality adjustment mode, reasonably saved terminal device flow consumption.
Fig. 2 is the flow chart for another video image quality adjustment method that the embodiment of the present application provides, optionally, the foundation
The history broadcast information and default training pattern determine that the picture adjusting parameter of the broadcasting video includes：Gone through according to described in
At least one of record, drag and drop record and fast forwarding and fast rewinding record and the determination of default training pattern are redirected in history broadcast information
The picture adjusting parameter for playing video.As shown in Fig. 2 technical scheme is specific as follows：
Step S201, video playback event is detected.
When step S202, detecting video playback event, judge whether terminal device meets image quality regularization condition, if full
Foot, then step S203 is performed, if be unsatisfactory for, is terminated.
Step S203, the history broadcast information of broadcasting video is determined, the history broadcast information includes other users and watched
The broadcasting record for playing video.
Step S204, according to redirecting in record, drag and drop record and fast forwarding and fast rewinding record in the history broadcast information
At least one and default training pattern determines the picture adjusting parameter of the broadcasting video.
In one embodiment, the specific generating process such as abovementioned steps S103 of training pattern is predicted, here is omitted.
Optionally, including：According to redirect in record, drag and drop record and fast forwarding and fast rewinding record at least one in the history broadcast information
Kind and default training pattern determine prediction broadcast information；The picture of the broadcasting video is determined according to the prediction broadcast information
Adjusting parameter.It is exemplary, such as the history broadcast information of currently playing video, including 10 redirect record,
20 drag and drop records and 15 rewind F.F.s record, and are inputted the history broadcast information as mode input to default training pattern
In, machine learning obtains corresponding prediction broadcast information, and the wherein prediction broadcast information characterizes active user's maximum probability and performed
Play operation (such as dragging, fast forwarding and fast rewinding, redirecting), it, which is recorded, operation start node and the end of corresponding play operation
Node.Optionally, the picture adjusting parameter for determining the broadcasting video according to the prediction broadcast information includes：It is determined that prediction is broadcast
Corresponding picture adjusting parameter between the operation start node recorded in information and end node is put, wherein operating start node
It can be the time point of corresponding video playback with end node, the picture adjusting parameter can be 720P.
Step S205, the image quality of the broadcasting video is adjusted according to the picture adjusting parameter.
In one embodiment, after determining that terminal device meets image quality regularization condition, when being ready for image quality adjustment,
The frame parameter that the image quality adjusting parameter and current video determined play can be compared, if the picture of picture adjusting parameter
Face definition is higher than the frame parameter that current video plays, then is adjusted without image quality.In one embodiment, when detecting end
When end equipment meets image quality regularization condition, whether the image quality for determining whether currently playing video is default image quality (such as super clear picture
Matter), if it is, determining to play the image information of video, and subsequent step is carried out to carry out image quality adjustment.
In an another embodiment, it is being adjusted to the image quality of the broadcasting video according to the picture adjusting parameter
Afterwards, in addition to：Monitor whether the terminal device meets that image quality recovers condition, if it is, the image quality of the broadcasting video is extensive
Before the multiple adjustment to image quality.Wherein, it can be that terminal device is connected with charging device or internetwork connection mode that the image quality, which recovers condition,
Wireless wifi network connected mode is converted to by mobile data network.
From the foregoing, pass through redirecting in record, drag and drop record and fast forwarding and fast rewinding record extremely in history broadcast information
Few a kind of and default training pattern determines to play the picture adjusting parameter of video and carries out image quality adjustment, improves terminal device
Play image quality adjustment flexibility during video so that the own situation of terminal device is contemplated that during video playback, fits different situations
Carrying out image quality, adaptively adjustment saves flow consumption to improve terminal device efficiency.
Fig. 3 is the flow chart for another video image quality adjustment method that the embodiment of the present application provides, optionally, the history
Broadcast information includes and the history broadcast information of video for playing video and associating, it is described according to the history broadcast information with
And default training pattern determines that the picture adjusting parameter of the broadcasting video includes：The video associated according to the broadcasting video
History broadcast information and default training pattern determine the picture adjusting parameter of the broadcasting video.As shown in figure 3, technical scheme
It is specific as follows：
Step S301, video playback event is detected.
When step S302, detecting video playback event, judge whether terminal device meets image quality regularization condition, if full
Foot, then step S203 is performed, if be unsatisfactory for, is terminated.
Step S303, the history broadcast information of the video of broadcasting video association is determined.
In one embodiment, the video of the association can be the series video related to currently playing video subject, phase
Video etc. produced with clip creation side, it is determined that the history of the video of association can be played into letter accordingly during history broadcast information
Breath is referred to determine to predict broadcast information.Accordingly, predict that the determination mode of broadcast information can be according to the video of association
Dragging, fast forwarding and fast rewinding and skip operation in history broadcast information determine.
Step S304, the history broadcast information of the video associated according to the broadcasting video and default training pattern determine
The picture adjusting parameter for playing video.
In one embodiment, playing the history broadcast information of the video of video association includes dragging, fast forwarding and fast rewinding and jump
Transfering the letter breath, accordingly according to picture adjustment ginseng corresponding to the dragging, fast forwarding and fast rewinding and jump information and the determination of default training pattern
Number, specific determination mode is referring to step S204, and here is omitted.
Step S305, the image quality of the broadcasting video is adjusted according to the picture adjusting parameter.
From the foregoing, in terminal device video display process, can adaptively adjusting picture image quality, and adjustment mode is led to
Cross the progress machine learning of history broadcast information to obtain, ensure that the individual demand of user video viewing, while carry out corresponding
The saving of terminal device power consumption, flow.
Fig. 4 be the embodiment of the present application provide another video image quality adjustment method flow chart, optionally, it is described according to
Before the picture adjusting parameter that the broadcasting video is determined according to the history broadcast information, in addition to：Obtain and play commenting for video
By information；Accordingly, the picture adjusting parameter for determining the broadcasting video according to the history broadcast information includes：According to described in
History broadcast information, comment information determine the picture adjusting parameter of the broadcasting video.As shown in figure 4, technical scheme is specific such as
Under：
When step S401, detecting video playback event, determine whether terminal device meets image quality regularization condition.
If step S402, meet the image quality regularization condition, it is determined that play the history broadcast information of video and comment
By information.
In one embodiment, the broadcasting video is further determined that during it is determined that playing video history broadcast information
Comment information, wherein history broadcast information include other users viewing it is described play video broadcasting record.Wherein, comment letter
Breath can play lower section message, video barrage of video etc., specifically, by taking android operating systems as an example, can pass through video
The comment list interface of playout software obtains the comment information of currently playing video, can be by taking Sina's video as an example：
http://api.t.sina.com.cn/statuses/comments.json。
Step S403, the picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, comment information.
In one embodiment, can be independent during the determination of picture adjusting parameter is carried out according to history broadcast information
Image quality adjustment is carried out with reference to comment information, specifically, comment information, by taking video barrage as an example, wherein video barrage is that user is seeing
The barrage content of real-time typing during the video is seen, the content of its barrage is characterizing current video broadcast nodes video to a certain degree
Excellent degree, as video barrage be " classics " if represent that the video highlight degree of currently playing node is higher, such as video barrage
Then represent the video of currently playing node accordingly for " boring " and the story of a play or opera is unimportant or excellent degree is poor, when determining
It is corresponding when excellent degree is poor to reduce the image quality for playing video, such as it is reduced to 720P or 480P.Optionally, it is excellent in the embodiment
Picture adjusting parameter is first determined according to history broadcast information, when frame parameter is defined as keeping original image quality, according further to
The comment information for playing video carries out the determination of image quality adjusting parameter to carry out image quality adjustment.
Step S404, the image quality of the broadcasting video is adjusted according to the picture adjusting parameter.
From the foregoing, during the video played to terminal device carries out image quality adjustment, the broadcasting video is introduced
The reference quantity that is determined as image quality adjusting parameter of comment information, current picture content can be combined to the subjective attitude of user in real time
Carry out image quality adjustment so that the mode of image quality adjustment is more flexible, more efficient.
Fig. 5 be the embodiment of the present application provide another video image quality adjustment method flow chart, optionally, it is described according to
Before the picture adjusting parameter that the broadcasting video is determined according to the history broadcast information, in addition to：It is determined that play regarding for video
Frequency information；Accordingly, the picture adjusting parameter for determining the broadcasting video according to the history broadcast information includes：According to described in
History broadcast information, video information determine the picture adjusting parameter of the broadcasting video.As shown in figure 5, technical scheme is specific such as
Under：
When step S501, detecting video playback event, determine whether terminal device meets image quality regularization condition.
If step S502, meet the image quality regularization condition, it is determined that play the history broadcast information of video and regard
Frequency information.
In one embodiment, after determining that terminal device meets image quality regularization condition, broadcasting video is further determined that
Video information, wherein, the video information can play the subject content of video, label substance, video presentation etc..Specifically
, when the broadcasting video is that webpage plays, the getTitle side in WebView can be passed through by taking Android operation system as an example
Method determines the theme when front opening video web page, when user is regarded using all kinds of APP such as youku.com's clients, iqiyi.com client
, can be by calling the api interface of each client to determine the theme of currently playing video when frequency plays.
Step S503, the picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, video information.
In one embodiment, can be independent during the determination of picture adjusting parameter is carried out according to history broadcast information
Image quality adjustment is carried out with reference to video information, specifically, during image quality adjustment is carried out according to video information, can be taken：To institute
State and play video and carry out image recognition in the broadcasting pictures of different periods with image content corresponding to determining, believe according to the video
Picture adjusting parameter corresponding to video subject and the image content determination for playing video different periods in breath.It is optional
, keyword extraction is carried out to the video subject in the video information to obtain one or more keywords, according to described one
Individual or multiple keywords and the image content for playing video different periods determine corresponding to picture adjusting parameter, can be with
It is that machine learning identification is carried out to the video subject in the video information to obtain one or more keywords, according to described in
Picture adjusting parameter corresponding to one or more keywords and the image content determination for playing video different periods.Specifically
, in one embodiment, video information can the broadcasting video video subject, to the video subject carry out keyword carry
Take.Specifically, semantics recognition algorithm can be used to carry out semantic participle to the word in video subject, will split obtain one or
Multiple nouns are defined as keyword.According in one or more of keywords and the picture for playing video different periods
Hold picture adjusting parameter corresponding to determining.Exemplary, the image quality pattern of currently playing video includes super clear (1080P), high definition
(720P), commonly (480P), after the image content for determining different periods, specific determination mode is referring to step S103 explanations portion
Point, here is omitted, and the image quality content of the keyword determined and different periods is carried out into characters matching, if matching is lost
Lose, it is determined that the image quality adjusting parameter for going out the period is 720P or 480P, if the match is successful, keeps current image quality constant.
In another embodiment, by carrying out machine learning to video subject to obtain the one or more of sign video main contents
Keyword, it can use and be based on RNN (Recurrent Neural Networks, Recognition with Recurrent Neural Network) or LSTM (Long
Short-Term Memory, shot and long term memory network) semantics recognition is carried out to obtain corresponding keyword.Implement another one
, can be by carrying out machine learning to different video theme and corresponding video-frequency playing content to obtain video subject and broadcasting in example
The preset model of content, the preset model export one or more prediction keywords, specifically, should using video subject as input
Preset model can be trained study by great amount of samples by server to obtain, and can be learnt by supervised, non-supervisory formula
Habit, semi-supervised learning or intensified learning obtain, and the algorithm used in learning process includes：The calculation of regression algorithm, Case-based Reasoning
Method, regularization algorithm, decision Tree algorithms, bayesian algorithm, the algorithm based on core, clustering algorithm, association rule algorithm, artificial god
Through network algorithm, deep learning algorithm and reduce dimension algorithm etc..Optionally, preferentially played and believed according to history in the embodiment
Breath determines picture adjusting parameter, when frame parameter is defined as keeping original image quality, believes according further to the video for playing video
Breath carries out the determination of image quality adjusting parameter to carry out image quality adjustment.
Step S504, the image quality of the broadcasting video is adjusted according to the picture adjusting parameter.
From the foregoing, during the video played to terminal device carries out image quality adjustment, the broadcasting video is introduced
The reference quantity that is determined as image quality adjusting parameter of video information, picture can be determined according to video information and current broadcasting content
Matter adjusting parameter so that the mode of image quality adjustment is more flexible, more efficient.
Fig. 6 is a kind of structured flowchart for video quality adjustment device that the embodiment of the present application provides, and the device is used to perform
The video image quality adjustment method that above-described embodiment provides, possesses the corresponding functional module of execution method and beneficial effect.Such as Fig. 6 institutes
Show, the device specifically includes：Image quality adjustment trigger module 101, history broadcast information determine that determining module 102, frame parameter are true
Cover half block 103 and image quality adjusting module 104, wherein,
Image quality adjusts trigger module 101, during for detecting video playback event, determines whether terminal device meets image quality
Regularization condition；
History broadcast information determining module 102, if for meeting the image quality regularization condition, it is determined that play video
History broadcast information, the history broadcast information include the other users viewing broadcasting record for playing video；
Frame parameter determining module 103, for determining that the picture of the broadcasting video is adjusted according to the history broadcast information
Whole parameter；
Image quality adjusting module 104, for being adjusted according to the picture adjusting parameter to the image quality of the broadcasting video.
As shown in the above, when terminal device meets image quality regularization condition, the history according to currently playing video is broadcast
The adaptive adjustment that record carries out image quality is put, it (can also be it of user oneself that the history, which plays record and characterizes other users,
It is preceding to play record) broadcasting situation when playing the video, infer to obtain by machine learning model and meet active user's demand
Image quality adjustment mode, reasonably saved terminal device flow consumption.
In a possible embodiment, the frame parameter determining module 103 is specifically used for：
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information and preset model, it is described pre-
If model is trained to obtain by machine learning.
In a possible embodiment, the frame parameter determining module 103 is specifically used for：
According in the history broadcast information redirect record, drag and drop record and fast forwarding and fast rewinding record at least one of with
And default training pattern determines the picture adjusting parameter of the broadcasting video.
In a possible embodiment, the video that the history broadcast information includes associating with the broadcasting video is gone through
History broadcast information, the frame parameter determining module 103 are specifically used for：
The broadcasting is determined according to the history broadcast information of the video of the broadcasting video association and default training pattern
The picture adjusting parameter of video.
In a possible embodiment, the image quality adjustment trigger module 103 is specifically used for：
Whether determine at least one of present flow rate use pattern, system load and dump energy of the terminal device
Meet image quality regularization condition.
In a possible embodiment, the history broadcast information determining module 102 is additionally operable to：
Before the picture adjusting parameter that the broadcasting video is determined according to the history broadcast information, obtain and play
The comment information of video；
The image quality adjustment trigger module 103 is specifically used for：
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, comment information.
In a possible embodiment, the history broadcast information determining module 102 is additionally operable to：
Before the picture adjusting parameter that the broadcasting video is determined according to the history broadcast information, it is determined that playing
The video information of video；
The image quality adjustment trigger module 103 is specifically used for：
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, video information.
The present embodiment provides a kind of terminal device on the basis of the various embodiments described above, and Fig. 7 is that the embodiment of the present application carries
The structural representation of a kind of terminal device supplied, as shown in fig. 7, the terminal device 200 includes：Memory 201, processor
(Central Processing Unit, CPU) 202, Peripheral Interface 203, RF (Radio Frequency, radio frequency) circuit 205,
Voicefrequency circuit 206, loudspeaker 211, power management chip 208, input/output (I/O) subsystem 209, touch-screen 212, other
Input/control devices 210 and outside port 204, these parts are led to by one or more communication bus or signal wire 207
Letter.
It should be understood that graphic terminal 200 is only an example of terminal device, and terminal device 200
Can have than more or less parts shown in figure, can combine two or more parts, or can be with
Configured with different parts.Various parts shown in figure can be including one or more signal transactings and/or special
Hardware, software including integrated circuit are realized in the combination of hardware and software.
The terminal device for being used to open the rights management of application more that the present embodiment provides is described in detail below, should
Terminal device is by taking smart mobile phone as an example.
Memory 201, the memory 201 can be accessed by CPU202, Peripheral Interface 203 etc., and the memory 201 can
Including high-speed random access memory, can also include nonvolatile memory, such as one or more disk memories,
Flush memory device or other volatile solid-state parts.
The input of equipment and output peripheral hardware can be connected to CPU202 and deposited by Peripheral Interface 203, the Peripheral Interface 203
Reservoir 201.
I/O subsystems 209, the I/O subsystems 209 can be by the input/output peripherals in equipment, such as touch-screen 212
With other input/control devicess 210, Peripheral Interface 203 is connected to.I/O subsystems 209 can include the He of display controller 2091
For controlling one or more input controllers 2092 of other input/control devicess 210.Wherein, one or more input controls
Device 2092 processed receives electric signal from other input/control devicess 210 or sends electric signal to other input/control devicess 210,
Other input/control devicess 210 can include physical button (pressing button, rocker buttons etc.), dial, slide switch, behaviour
Vertical pole, click on roller.What deserves to be explained is input controller 2092 can with it is following any one be connected：Keyboard, infrared port,
The instruction equipment of USB interface and such as mouse.
Touch-screen 212, the touch-screen 212 are the input interface and output interface between user terminal and user, can
It can include figure, text, icon, video etc. to user, visual output depending on output display.
Display controller 2091 in I/O subsystems 209 receives electric signal from touch-screen 212 or sent out to touch-screen 212
Electric signals.Touch-screen 212 detects the contact on touch-screen, and the contact detected is converted to and shown by display controller 2091
The interaction of user interface object on touch-screen 212, that is, realize man-machine interaction, the user interface being shown on touch-screen 212
Icon that object can be the icon of running game, be networked to corresponding network etc..What deserves to be explained is equipment can also include light
Mouse, light mouse is not show the touch sensitive surface visually exported, or the extension of the touch sensitive surface formed by touch-screen.
RF circuits 205, it is mainly used in establishing the communication of mobile phone and wireless network (i.e. network side), realizes mobile phone and wireless network
The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuits 205 receive and send RF letters
Number, RF signals are also referred to as electromagnetic signal, and RF circuits 205 convert electrical signals to electromagnetic signal or electromagnetic signal is converted into telecommunications
Number, and communicated by the electromagnetic signal with communication network and other equipment.RF circuits 205 can include being used to perform
The known circuit of these functions, it includes but is not limited to antenna system, RF transceivers, one or more amplifiers, tuner, one
Individual or multiple oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, user identify mould
Block (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 206, it is mainly used in receiving voice data from Peripheral Interface 203, the voice data is converted into telecommunications
Number, and the electric signal is sent to loudspeaker 211.
Loudspeaker 211, for the voice signal for receiving mobile phone from wireless network by RF circuits 205, it is reduced to sound
And play the sound to user.
Power management chip 208, the hardware for being connected by CPU202, I/O subsystem and Peripheral Interface are powered
And power management.
The executable present invention of the video quality adjustment device and terminal device of the terminal device provided in above-described embodiment appoints
The video image quality adjustment method of terminal device that meaning embodiment is provided, possess and perform the corresponding functional module of this method and beneficial
Effect.Not ins and outs of detailed description in the above-described embodiments, reference can be made to the terminal that any embodiment of the present invention is provided is set
Standby video image quality adjustment method.
The embodiment of the present application also provides a kind of storage medium for including terminal device executable instruction, and the terminal device can
Execute instruction is used to perform a kind of video image quality adjustment method when by terminal device computing device, and this method includes：
When detecting video playback event, determine whether terminal device meets image quality regularization condition；
If meet the image quality regularization condition, it is determined that play the history broadcast information of video, the history plays letter
Breath includes the other users viewing broadcasting record for playing video；
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, adjusts and joins according to the picture
Several image quality to the broadcasting video are adjusted.
In a possible embodiment, the picture for determining the broadcasting video according to the history broadcast information adjusts ginseng
Number includes：
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information and preset model, it is described pre-
If model is trained to obtain by machine learning.
In a possible embodiment, it is described according to described in the history broadcast information and the determination of default training pattern
Playing the picture adjusting parameter of video includes：
According in the history broadcast information redirect record, drag and drop record and fast forwarding and fast rewinding record at least one of with
And default training pattern determines the picture adjusting parameter of the broadcasting video.
In a possible embodiment, the video that the history broadcast information includes associating with the broadcasting video is gone through
History broadcast information, the picture adjustment that the broadcasting video is determined according to the history broadcast information and default training pattern
Parameter includes：
The broadcasting is determined according to the history broadcast information of the video of the broadcasting video association and default training pattern
The picture adjusting parameter of video.
In a possible embodiment, whether the determination terminal device meets that image quality regularization condition includes：
Whether determine at least one of present flow rate use pattern, system load and dump energy of the terminal device
Meet image quality regularization condition.
In a possible embodiment, in the picture that the broadcasting video is determined according to the history broadcast information
Before adjusting parameter, in addition to：
Obtain the comment information for playing video；
Accordingly, the picture adjusting parameter for determining the broadcasting video according to the history broadcast information includes：
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, comment information.
In a possible embodiment, in the picture that the broadcasting video is determined according to the history broadcast information
Before adjusting parameter, in addition to：
It is determined that play the video information of video；
Accordingly, the picture adjusting parameter for determining the broadcasting video according to the history broadcast information includes：
The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, video information.
Storage medium --- any various types of memory devices or storage device.Term " storage medium " is intended to wrap
Include：Install medium, such as CD-ROM, floppy disk or magnetic tape equipment；Computer system memory or random access memory, such as
DRAM, DDR RAM, SRAM, EDO RAM, blue Bath (Rambus) RAM etc.；Nonvolatile memory, such as flash memory, magnetizing mediums
(such as hard disk or optical storage)；Memory component of register or other similar types etc..Storage medium can also include other
The memory of type or its combination.In addition, storage medium can be located at program in the first computer system being wherein performed,
Or can be located in different second computer systems, second computer system is connected to the by network (such as internet)
One computer system.Second computer system can provide programmed instruction and be used to perform to the first computer." storage is situated between term
Matter " can include may reside within diverse location two of (such as in different computer systems by network connection) or
More storage mediums.Storage medium can store the programmed instruction that can be performed by one or more processors and (such as implement
For computer program).
Certainly, a kind of storage medium for including computer executable instructions that the embodiment of the present application is provided, its computer
The video image quality adjustment method operation that executable instruction is not limited to the described above, can also carry out any embodiment of the present invention and is carried
Associative operation in the video image quality adjustment method of confession.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. video image quality adjustment method, it is characterised in that including：When detecting video playback event, determine whether terminal device meets image quality regularization condition；If meet the image quality regularization condition, it is determined that play the history broadcast information of video, the history broadcast information bag Include the other users viewing broadcasting record for playing video；The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, according to the picture adjusting parameter pair The image quality for playing video is adjusted.
- 2. according to the method for claim 1, it is characterised in that determine the broadcasting video according to the history broadcast information Picture adjusting parameter include：The picture adjusting parameter of the broadcasting video, the default mould are determined according to the history broadcast information and preset model Type is trained to obtain by machine learning.
- 3. according to the method for claim 2, it is characterised in that described according to the history broadcast information and default training Model determines that the picture adjusting parameter of the broadcasting video includes：At least one of record, drag and drop record and fast forwarding and fast rewinding record and pre- are redirected according in the history broadcast information If training pattern determines the picture adjusting parameter of the broadcasting video.
- 4. according to the method for claim 2, it is characterised in that the history broadcast information includes and the broadcasting video closes The history broadcast information of the video of connection, it is described to determine that the broadcasting regards according to the history broadcast information and default training pattern The picture adjusting parameter of frequency includes：The broadcasting video is determined according to the history broadcast information of the video of the broadcasting video association and default training pattern Picture adjusting parameter.
- 5. according to the method any one of claim 1-4, it is characterised in that whether the determination terminal device meets picture Matter regularization condition includes：Determine whether at least one of present flow rate use pattern, system load and dump energy of the terminal device meet Image quality regularization condition.
- 6. according to the method any one of claim 1-4, it is characterised in that described according to the history broadcast information Before the picture adjusting parameter for determining the broadcasting video, in addition to：Obtain the comment information for playing video；Accordingly, the picture adjusting parameter for determining the broadcasting video according to the history broadcast information includes：The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, comment information.
- 7. according to the method any one of claim 1-4, it is characterised in that described according to the history broadcast information Before the picture adjusting parameter for determining the broadcasting video, in addition to：It is determined that play the video information of video；Accordingly, the picture adjusting parameter for determining the broadcasting video according to the history broadcast information includes：The picture adjusting parameter of the broadcasting video is determined according to the history broadcast information, video information.
- A kind of 8. video quality adjustment device, it is characterised in that including：Image quality adjusts trigger module, during for detecting video playback event, determines whether terminal device meets that image quality adjusts bar Part；History broadcast information determining module, if for meeting the image quality regularization condition, it is determined that the history for playing video is broadcast Information is put, the history broadcast information includes the other users viewing broadcasting record for playing video；Frame parameter determining module, for determining the picture adjusting parameter of the broadcasting video according to the history broadcast information；Image quality adjusting module, for being adjusted according to the picture adjusting parameter to the image quality of the broadcasting video.
- 9. a kind of terminal device, including：Processor, memory and storage are on a memory and the meter that can run on a processor Calculation machine program, it is characterised in that realized described in the computing device during computer program such as any one of claim 1-7 institutes The video image quality adjustment method stated.
- A kind of 10. storage medium for including terminal device executable instruction, it is characterised in that the terminal device executable instruction As video image quality adjustment method during terminal device computing device for execution as any one of claim 1-7.
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