CN105992050A - Video downloading method and device - Google Patents
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- CN105992050A CN105992050A CN201510064547.2A CN201510064547A CN105992050A CN 105992050 A CN105992050 A CN 105992050A CN 201510064547 A CN201510064547 A CN 201510064547A CN 105992050 A CN105992050 A CN 105992050A
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Abstract
The invention discloses a video downloading method and device. During video downloading, video data to be played is obtained and then decoded to obtain different frames of image data corresponding to the video data; the different frames of image data corresponding to the video data are encoded according to preset encoding information; and the encoded video data, namely video to be downloaded, is obtained and stored. Network traffic is not consumed unless the video data to be played is obtained, and compared with a traditional technology in which network traffic is consumed in both the video data obtaining and downloading processes, consumption of network traffic can be reduced.
Description
Technical field
It relates to multimedia application technical field, particularly relate to the method and device that a kind of video is downloaded.
Background technology
Along with the raising of various terminal capabilities, and Internet technology is universal, and increasing user is clear by terminal
Device of looking at viewing video.Such as, user can directly pass through mobile phone access browser, relies on browser to play video, thus rich
Rich daily life.
When watching video by the browser of terminal, user is needed to click on this video corresponding URL (Uniform Resource
Locator, URL) link, after receiving the clicking operation of user, the browser of terminal obtains should
The video data that URL link is corresponding, and described video data is decoded operation, obtain multiple image, then by institute
State multiple image and push to the screen of terminal successively so that it is display is on the screen of terminal, thus realizes the broadcasting of video.
If it addition, user is when watching video, to a certain video interested, it is also possible to send, to browser, the request of download, receiving
After described download request, browser can download corresponding video.
But, inventor finds in the research process of the application, when playing video by browser, obtains to be played
Video data need to expend network traffics, and browser is when foradownloaded video, also can extra consumption network traffics, this
In the case of, user's foradownloaded video often consumes substantial amounts of network traffics.
Summary of the invention
Embodiments provide the method and device of a kind of process data sharing, to solve conventional art to a certain extent
In, when foradownloaded video, the problem that a large amount of network traffics can be consumed.
In order to solve above-mentioned technical problem, the embodiment of the invention discloses following technical scheme:
A first aspect of the present invention, it is provided that a kind of method for downloading video, including:
After obtaining video data to be played, decode described video data, obtain each frame image data that described video data is corresponding；
According to the coding information pre-set, performing the encoding operation described each frame image data, wherein, described coding information is extremely
Include less: frame per second and coded format；
Video data after storage coding.
Alternatively, in the coding information that described basis pre-sets, before described each frame image data is performed the encoding operation, institute
State method for downloading video also to include:
After obtaining each frame image data that described video data is corresponding, watermark is carried in described each frame image data.
Alternatively, in the coding information that described basis pre-sets, before described each frame image data is performed the encoding operation, institute
State method for downloading video also to include:
If described coding information includes target resolution, the resolution adjustment of described each frame image data to described target is differentiated
Rate.
Alternatively, in the coding information that described basis pre-sets, before described each frame image data is performed the encoding operation, institute
State method for downloading video also to include:
Judge during decoding described video data, if there are the data that decoding is failed；
If based on judged result, determining and there are the data that decoding is failed, delete the data that described decoding is failed.
Alternatively, in the coding information that described basis pre-sets, before described each frame image data is performed the encoding operation, institute
State method for downloading video also to include:
Judge in each frame image data that described video data is corresponding, if there is impaired view data；
If based on judged result, determine in described each frame image data and there is impaired view data, to described impaired figure
As data carry out repair process.
In a second aspect of the present invention, open a kind of video download apparatus, including:
Decoder module, after obtaining video data to be played, decodes described video data, obtains described video data corresponding
Each frame image data；
Coding module, for according to the coding information pre-set, described each frame image data being performed the encoding operation, wherein,
Described coding information at least includes: frame per second and coded format；
Memory module, the video data after storing coding.
Alternatively, described video download apparatus also includes:
Watermark load-on module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, after obtaining each frame image data that described video data is corresponding, watermark is carried in described each frame image data.
Alternatively, described video download apparatus also includes:
Resolution adjustment module, for the coding information pre-set in described basis, encodes described each frame image data
Before operation, if described coding information includes target resolution, by the resolution adjustment of described each frame image data to described mesh
Mark resolution.
Alternatively, described video download apparatus also includes:
First judge module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, it is judged that during decoding described video data, if there are the data that decoding is failed；
Removing module, if for based on judged result, determining and there are the data that decoding is failed, deleting the data that described decoding is failed.
Alternatively, described video download apparatus also includes:
Second judge module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, it is judged that in each frame image data that described video data is corresponding, if there is impaired view data；
Repair module is if for based on judged result, determining in described each frame image data and there is impaired view data, right
Described impaired view data carries out repair process.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect:
Scheme disclosed in the present application, only during obtaining video data to be played, can expend network traffics, and tradition
Technology obtains video data to be played, and during foradownloaded video, the scheme that all can expend network traffics is compared, this
The scheme that the disclosed video of application is downloaded can reduce the consumption to network traffics.
Further, in conventional art, video playback and video are downloaded and are required for Internet resources, and therefore both operations can be seized
Internet resources, result even in video display process card and pause, and video downloading process is slow.And what video disclosed in the present application was downloaded
In scheme, only expending network traffics during obtaining video data to be played, therefore, video playback and video download two
Individual operation will not seize mutually Internet resources, thus avoids the problem that video display process card pauses, and can improve the speed of foradownloaded video
Degree.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only originally
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the embodiment flow chart of a kind of method for downloading video disclosed by the invention；
Fig. 2 is the embodiment flow chart of another method for downloading video disclosed by the invention；
Fig. 3 is the embodiment flow chart of another method for downloading video disclosed by the invention；
Fig. 4 is the embodiment flow chart of another method for downloading video disclosed by the invention；
Fig. 5 is the embodiment flow chart of another method for downloading video disclosed by the invention；
Fig. 6 is the structural representation of a kind of video download apparatus disclosed by the invention.
Detailed description of the invention
The embodiment of the present application provides a kind of method for downloading video and device, to solve in conventional art to a certain extent, under
When carrying video, the problem that a large amount of network traffics can be consumed.
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and the present invention is made to implement
The above-mentioned purpose of example, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to technical side in the embodiment of the present invention
Case is described in further detail.
In the application one exemplary embodiment, open a kind of method for downloading video, the method is applied to terminal, and this terminal is propped up
Hold the operation of browser, and video can be play by browser.Workflow schematic diagram shown in Figure 1, described
Method for downloading video includes:
Step S11, obtain video data to be played after, decode described video data, obtain corresponding each of described video data
Frame image data.
In this step, described video data to be played can be obtained in several ways, such as, if user utilizes browser
Play video, the URL link that can present in click browser, after receiving clicking operation, described browser can obtain with
The video data to be played that described URL link is corresponding.
It addition, by decoding described video data, after getting each frame image data that described video data is corresponding, also can be to respectively
Frame image data renders, and pushes to the screen of terminal after rendering successively so that it is show on the screen of terminal, from
And realize the broadcasting of video.
The coding information that step S12, basis pre-set, performs the encoding operation described each frame image data, wherein, described
Coding information at least includes: frame per second and coded format.
Before performing the encoding operation, terminal can arrange operation by receive, determines described video data to be played
The need of download, such as, terminal can prompt the user whether to need to download, if desired, Yong Huhui before video playback
Described terminal is carried out corresponding touch control operation, and the terminal receiving touch control operation can be according to coding information to described each frame figure
As data perform the encoding operation；Or, in video display process, user is video interested to play, it is possible to end
End carries out corresponding touch control operation, so that terminal is after receiving touch control operation, encodes view data accordingly
Operation.Wherein, described coding information can be stored in advance in the internal memory of described terminal, or, when a certain video downloaded by needs,
Terminal receives the coding information of input again.
The coded format that described coding information includes, can be various ways, such as: flv, rmvb, wmv, avi, mpg
With mkv etc. such that it is able to meet the multiple demand of user.
Video data after step S13, storage coding.Wherein, the video data after described coding is this needs download
Video data.
It addition, workflow schematic diagram shown in Figure 2, in method for downloading video disclosed in the present application, first pass through and browse
Device obtains video data to be played, is then decoded video data to be played, obtains corresponding with described video data
Each frame image data, after obtaining described each frame image data, on the one hand can render described each frame image data, and
Push to the screen of terminal after rendering, it is achieved the video playback of terminal, on the other hand, also described each frame image data can be carried out
Coding, obtains the video data after coding and stores, and wherein, the video data after the described coding of storage is needs download
Video data, thus the video realizing terminal is downloaded, say, that by method for downloading video disclosed in the present application, it is possible to real
Now the broadcasting limit, limit of video is downloaded.
Step S11 of the application, to the open a kind of method for downloading video of step S13, in the method, is obtaining video to be played
After data, decoding described video data, obtain each frame image data that described video data is corresponding, then basis pre-sets
Coding information, encodes described each frame image data, thus obtains the video data after coding and store.Wherein, after described coding
Video data, be need download video data.
In this method for downloading video, only during obtaining video data to be played, network traffics, and tradition can be expended
Technology obtains video data to be played, and during foradownloaded video, the scheme that all can expend network traffics is compared, this
The disclosed method for downloading video of application can reduce the consumption to network traffics.
Further, in conventional art, video playback and video are downloaded and are required for Internet resources, and therefore both operations can be seized
Internet resources, result even in video display process card and pause, and video downloading process is slow.And video download side disclosed in the present application
In method, only expending network traffics during obtaining video data to be played, therefore, video playback and video download two
Operation will not seize mutually Internet resources, thus avoids the problem that video display process card pauses, and can improve the speed of foradownloaded video.
When utilizing conventional art foradownloaded video, the video downloaded to is split as multiple sub-video sometimes.Such as, to download
The form of video data be m3u8, often preserve with the form of multiple sub-videos, be unfavorable for viewing and admiring.And disclosed in the present application regard
Frequently method for down loading, the video after download can save as an independent file, it is simple to user views and admires.
It addition, under some application scenarios, need to add watermark in the video downloaded, such as, the manufacturer of some players thinks
The video downloaded adds the LOGO watermark of company, in order to be used for publicizing.In order to meet application demand, in this case, exist
The coding information that described basis pre-sets, before described each frame image data is performed the encoding operation, described method for downloading video
Also include:
After obtaining each frame image data that described video data is corresponding, watermark is carried in described each frame image data.
Wherein, described watermark can be stored in advance in described terminal, or, before needing to load watermark, then by user by described water
Print is transmitted to terminal.By this step, it is possible to load watermark in described each frame image data, thus to described each frame figure
After performing the encoding operation as data, the video data after the coding got is added with corresponding watermark, meets the demand of user.
In second embodiment of the application, open a kind of method for downloading video, the method is applied to terminal, and this terminal is supported clear
Look at the operation of device, and video can be play by browser.Workflow schematic diagram shown in Figure 3, described video
Method for down loading includes:
Step S21, obtain video data to be played after, decode described video data, obtain corresponding each of described video data
Frame image data.
If step S22 described coding information includes target resolution, by the resolution adjustment of described each frame image data to institute
State target resolution.
The coding information that step S23, basis pre-set, performs the encoding operation described each frame image data, wherein, described
Coding information at least includes: frame per second and coded format.
Video data after step S24, storage coding.
Wherein, step S21, S23 are identical with the implementation process of step S11 to step S13 with the implementation process of step S24,
Can be cross-referenced, here is omitted.
Above-mentioned steps S21 is to the open a kind of method for downloading video of step S24, in the method, in described coding information except frame per second and
Outside coded format, also including target resolution, the method, after obtaining video data to be played, decodes described video data,
Obtain each frame image data that described video data is corresponding, then according to described target resolution, described each frame image data is divided
Resolution is adjusted, by the resolution adjustment of described each frame image data to described target resolution, further according to described coding information
In the frame per second that comprises and coded format, the described each frame image data after code adjustment, thus obtain the video data after coding also
Storage.Wherein, the video data after described coding, it is the video data needing to download.
In this method for downloading video, only during obtaining video data to be played, network traffics can be expended, it is thus possible to
The enough consumption reduced network traffics.Further, video playback and video download two operations will not seize mutually Internet resources, from
And avoid the problem that video display process card pauses, and the speed of foradownloaded video can be improved.
Further, the target resolution that the application can also include according to coding information, adjust the resolution of each frame image data
Rate.The definition of some video is higher, and the space taken after download is relatively big, and some terminal, as mobile phone memory space not
Abundant, in this case, described target resolution can be set to relatively low resolution, thus reduce accounting for of the video after download
Use space.It addition, in some cases, user is higher to the requirement of video definition, in this case, can described target be divided
Resolution is set to higher resolution, thus after downloading, it is possible to obtain the video that definition is higher.
If it addition, described coding information does not include target resolution, then need not adjust the resolution of described each frame image data,
Being operated by decoding, after obtaining each frame image data that described video data is corresponding, performing corresponding encoding operation can.
In 3rd embodiment of the application, open a kind of method for downloading video, the method is applied to terminal, and this terminal is supported clear
Look at the operation of device, and video can be play by browser.Workflow schematic diagram shown in Figure 4, described video
Method for down loading includes:
Step S31, obtain video data to be played after, decode described video data, obtain corresponding each of described video data
Frame image data.
Step S32, judge decoding during described video data, if there are the data that decoding is failed, if existence, hold
The operation of row step S33, if not existing, then performs the operation of step S34.
If step S33 is based on judged result, determines and there are the data that decoding is failed, delete the data that described decoding is failed, so
The operation of rear execution step S34.
The coding information that step S34, basis pre-set, performs the encoding operation described each frame image data, wherein, described
Coding information at least includes: frame per second and coded format.
Video data after step S35, storage coding.
Wherein, step S31, S34 are identical with the implementation process of step S11 to step S13 with the implementation process of step S35,
Can be cross-referenced, here is omitted.
Above-mentioned steps S31, to the open a kind of method for downloading video of step S35, in the method, is obtaining video data to be played
After, decode described video data, obtain each frame image data that described video data is corresponding, then according to the coding pre-set
Information, encodes described each frame image data, thus obtains the video data after coding and store.Wherein, regarding after described coding
Frequency evidence, is the video data needing to download.
In this method for downloading video, only during obtaining video data to be played, network traffics can be expended, it is thus possible to
The enough consumption reduced network traffics.Further, video playback and video download two operations will not seize mutually Internet resources, from
And avoid the problem that video display process card pauses, and the speed of foradownloaded video can be improved.
Further, in method for downloading video disclosed in the present application, also comprise determining whether to exist the failed data of decoding, and
In the presence of delete the failed data of described decoding, thus follow-up described each two field picture is performed the encoding operation time, for
It is each frame image data of successfully decoded, improves the fault freedom that video is downloaded.
In 4th embodiment of the application, open a kind of method for downloading video, the method is applied to terminal, and this terminal is supported clear
Look at the operation of device, and video can be play by browser.Workflow schematic diagram shown in Figure 5, described video
Method for down loading includes:
Step S41, obtain video data to be played after, decode described video data, obtain corresponding each of described video data
Frame image data.
Step S42, judge in each frame image data that described video data is corresponding, if there is impaired view data, if
Existing, perform the operation of step S43, if not existing, then performing the operation of step S44.
If step S43 is based on judged result, determines in described each frame image data and there is impaired view data, to described
Impaired view data carries out repair process, then performs the operation of step S44.
The coding information that step S44, basis pre-set, performs the encoding operation described each frame image data, wherein, described
Coding information at least includes: frame per second and coded format.
Video data after step S45, storage coding.
Wherein, step S41, S44 are identical with the implementation process of step S11 to step S13 with the implementation process of step S45,
Can be cross-referenced, here is omitted.
When described impaired view data is carried out repair process, multiple image repair method can be used, as texture closes
The method etc. of one-tenth method, image filtering method and partial differential equation, this is not construed as limiting by the application.
Above-mentioned steps S41, to the open a kind of method for downloading video of step S45, in the method, is obtaining video to be played
After data, decoding described video data, obtain each frame image data that described video data is corresponding, then basis pre-sets
Coding information, encodes described each frame image data, thus obtains the video data after coding and store.Wherein, after described coding
Video data, be need download video data.
In this method for downloading video, only during obtaining video data to be played, network traffics can be expended, from
And the consumption to network traffics can be reduced.Further, video playback and video are downloaded two operations and will not be seized mutually network
Resource, thus avoid the problem that video display process card pauses, and the speed of foradownloaded video can be improved.
Further, in method for downloading video disclosed in the present application, also comprise determining whether to there is impaired view data,
And repair described impaired view data in case of presence, thus carry out at follow-up described each two field picture to storage
During encoding operation, it is directed to the view data after the most impaired view data, and reparation, thus improves download
The quality of video.
Accordingly, the application is also disclosed a kind of video download apparatus, and this device is applied to terminal, and this terminal supports browser
Operation, and video can be play by browser.Structural representation shown in Figure 6, described video download apparatus
Including: decoder module 100, coding module 200 and memory module 300.
Wherein, described decoder module 100, after obtaining video data to be played, decode described video data, obtain
Each frame image data that described video data is corresponding；
Described coding module 200, for according to the coding information pre-set, carries out coding behaviour to described each frame image data
Making, wherein, described coding information at least includes: frame per second and coded format；
Described memory module 300, the video data after storing coding.
Further, described video download apparatus also includes:
Watermark load-on module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, after obtaining each frame image data that described video data is corresponding, watermark is carried in described each frame image data.
Further, described video download apparatus also includes:
Resolution adjustment module, for the coding information pre-set in described basis, compiles described each frame image data
Before code operation, if described coding information includes target resolution, by the resolution adjustment of described each frame image data to described
Target resolution.
Further, described video download apparatus also includes:
First judge module, for the coding information pre-set in described basis, encodes described each frame image data
Before operation, it is judged that during decoding described video data, if there are the data that decoding is failed；
Removing module, if for based on judged result, determining and there are the data that decoding is failed, deleting the number that described decoding is failed
According to.
Further, described video download apparatus also includes:
Second judge module, for the coding information pre-set in described basis, encodes described each frame image data
Before operation, it is judged that in each frame image data that described video data is corresponding, if there is impaired view data；
Repair module, if for based on judged result, determining in described each frame image data and there is impaired view data,
Described impaired view data is carried out repair process.
Disclosure one video download apparatus, this device, after obtaining video data to be played, decodes described video data,
Obtain each frame image data that described video data is corresponding, then according to the coding information pre-set, encode described each two field picture
Data, thus obtain the video data after coding and store.Wherein, the video data after described coding, it is and needs download
Video data.
This video download apparatus only, during obtaining video data to be played, can expend network traffics, and conventional art
The video data that middle acquisition is to be played, and during foradownloaded video, the scheme that all can expend network traffics is compared, the application
Disclosed scheme can reduce the consumption to network traffics.
Further, in conventional art, video playback and video are downloaded and are required for Internet resources, and therefore both operations can be seized
Internet resources, result even in video display process card and pause, and video downloading process is slow.And carry under video disclosed in the present application
Putting and only expend network traffics during obtaining video data to be played, therefore, video playback and video download two operations
Will not seize mutually Internet resources, thus avoid the problem that video display process card pauses, and the speed of foradownloaded video can be improved.
Those skilled in the art it can be understood that can add by software to the technology in the embodiment of the present invention required
The mode of general hardware platform realizes.Based on such understanding, the technical scheme in the embodiment of the present invention can be with software
The form of product embodies, and this computer software product can be stored in storage medium, as read only memory (English:
Read-only memory, abbreviation: ROM), (English: random access memory contracts random access memory
Write: RAM), magnetic disc, CD etc., including some instructions with so that processor performs the embodiment of the present invention or embodiment
The method described in some part.
Each embodiment in this specification all uses the mode gone forward one by one to describe, identical similar part between each embodiment
Seeing mutually, what each embodiment stressed is the difference with other embodiments.Especially for system
For embodiment, owing to it is substantially similar to embodiment of the method, so describe is fairly simple, relevant part sees method
The part of embodiment illustrates.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
Various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a method for downloading video, it is characterised in that including:
After obtaining video data to be played, decode described video data, obtain each frame image data that described video data is corresponding；
According to the coding information pre-set, performing the encoding operation described each frame image data, wherein, described coding information is extremely
Include less: frame per second and coded format；
Video data after storage coding.
Method the most according to claim 1, it is characterised in that in the coding information that described basis pre-sets, to institute
Stating before each frame image data performs the encoding operation, described method for downloading video also includes:
After obtaining each frame image data that described video data is corresponding, watermark is carried in described each frame image data.
Method the most according to claim 1, it is characterised in that in the coding information that described basis pre-sets, to institute
Stating before each frame image data performs the encoding operation, described method for downloading video also includes:
If described coding information includes target resolution, the resolution adjustment of described each frame image data to described target is differentiated
Rate.
Method the most according to claim 1, it is characterised in that in the coding information that described basis pre-sets, to institute
Stating before each frame image data performs the encoding operation, described method for downloading video also includes:
Judge during decoding described video data, if there are the data that decoding is failed；
If based on judged result, determining and there are the data that decoding is failed, delete the data that described decoding is failed.
Method the most according to claim 1, it is characterised in that in the coding information that described basis pre-sets, to institute
Stating before each frame image data performs the encoding operation, described method for downloading video also includes:
Judge in each frame image data that described video data is corresponding, if there is impaired view data；
If based on judged result, determine in described each frame image data and there is impaired view data, to described impaired figure
As data carry out repair process.
6. a video download apparatus, it is characterised in that including:
Decoder module, after obtaining video data to be played, decodes described video data, obtains described video data corresponding
Each frame image data；
Coding module, for according to the coding information pre-set, described each frame image data being performed the encoding operation, wherein,
Described coding information at least includes: frame per second and coded format；
Memory module, the video data after storing coding.
Device the most according to claim 6, it is characterised in that described video download apparatus also includes:
Watermark load-on module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, after obtaining each frame image data that described video data is corresponding, watermark is carried in described each frame image data.
Device the most according to claim 6, it is characterised in that described video download apparatus also includes:
Resolution adjustment module, for the coding information pre-set in described basis, encodes described each frame image data
Before operation, if described coding information includes target resolution, by the resolution adjustment of described each frame image data to described mesh
Mark resolution.
Device the most according to claim 6, it is characterised in that described video download apparatus also includes:
First judge module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, it is judged that during decoding described video data, if there are the data that decoding is failed；
Removing module, if for based on judged result, determining and there are the data that decoding is failed, deleting the data that described decoding is failed.
Device the most according to claim 6, it is characterised in that described video download apparatus also includes:
Second judge module, for the coding information pre-set in described basis, carries out coding behaviour to described each frame image data
Before work, it is judged that in each frame image data that described video data is corresponding, if there is impaired view data；
Repair module is if for based on judged result, determining in described each frame image data and there is impaired view data, right
Described impaired view data carries out repair process.
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| CN201510064547.2A CN105992050A (en) | 2015-02-06 | 2015-02-06 | Video downloading method and device |
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| CN201510064547.2A CN105992050A (en) | 2015-02-06 | 2015-02-06 | Video downloading method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114598939A (en) * | 2022-04-25 | 2022-06-07 | 镁佳(北京)科技有限公司 | Video watermark adding method and device and electronic equipment |
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