CN105426475A - Media file synchronization method and device - Google Patents
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- CN105426475A CN105426475A CN201510794595.7A CN201510794595A CN105426475A CN 105426475 A CN105426475 A CN 105426475A CN 201510794595 A CN201510794595 A CN 201510794595A CN 105426475 A CN105426475 A CN 105426475A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
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Abstract
The invention is suitable for the field of media file synchronization, and provides a media file synchronization method and device. The method comprises the following steps: obtaining the width pw and the height ph of a signal media file displayed by a mobile terminal; obtaining the width tw and the height th of a media file displaying area in the mobile terminal; obtaining a sliding distance d for a user to slide the media file displaying area on the mobile terminal; according to pw, ph, tw, th and d, determining an index interval of the media file to be displayed; and according to the index interval, synchronizing the corresponding medial file to the media file displaying area, and displaying the synchronous media file. The embodiment of the invention can improve media file synchronization speed.
Description
Technical field
The embodiment of the present invention belongs to media file synchronization field, particularly relates to a kind of media file synchronization method and device.
Background technology
Along with the development of the mobile terminal devices such as mobile phone, the function that carries of mobile terminal gets more and more, and also becomes better and better, such as, more and more higher by the quality carrying the media file (as the file such as photo, video) that camera obtains.And the quality of media file is higher, the storage space shared by it is also more, and such as, the size of each photo files is usually at about 5M.When user uses Cloud Server synchronized multimedia file, usually because media file is excessive, too much, the speed making media file be synchronized to mobile terminal from Cloud Server is excessively slow, sometimes also can cause the problem of RAM leakage.
Existing picture synchronous method: be by loading the default picture of mobile terminal, and synchronous and show the thumbnail of picture in Cloud Server, to reach the object of saving internal memory.But because the method only considers the size of synchronous single picture, do not consider the quantity of synchronous picture, therefore, when the quantity of synchronous picture is very large, can cause equally RAM leakage and lock in time long, synchronous speed spends slow problem.
Summary of the invention
Embodiments provide a kind of media file synchronization method and device, be intended to solve existing method and RAM leakage and synchronous speed can be caused to spend slow problem.
The embodiment of the present invention is achieved in that a kind of media file synchronization method, and described method comprises:
Obtain width pw and the height ph of the single medium file that mobile terminal is shown;
Obtain width tw and the height t h of media file display area in mobile terminal;
Obtain the sliding distance d of user's slip media file display area on mobile terminals;
Determine between the index area of the media file of displaying according to described pw, ph, tw, th, d;
The media file extremely described media file display area corresponding according to described index interval synchronization, and show synchronous media file.
Another object of the embodiment of the present invention is to provide a kind of media file synchronization device, and described device comprises:
Single medium document size acquiring unit, for obtaining width pw and the height ph of the single medium file that mobile terminal is shown;
Media file display area size acquiring unit, for obtaining width tw and the height t h of media file display area in mobile terminal;
Sliding distance acquiring unit, for obtaining the sliding distance d of user's slip media file display area on mobile terminals;
Index interval determination unit, for determining between the index area of the media file of displaying according to described pw, ph, tw, th, d;
Media file synchronization unit, for the media file extremely described media file display area corresponding according to described index interval synchronization, and shows synchronous media file.
In embodiments of the present invention, due to the media file of only synchronous needs display, therefore, it is possible to reduce the quantity of simultaneously synchronous media file, thus the synchronous speed of media file can be accelerated, reduce the risk of RAM leakage simultaneously.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of media file synchronization method that first embodiment of the invention provides;
Fig. 2 is the structural drawing of a kind of media file synchronization device that second embodiment of the invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In the embodiment of the present invention, obtain the width pw of the single medium file that mobile terminal is shown, height ph, the width tw of media file display area and height t h and obtain the sliding distance d of user's slip media file display area on mobile terminals, determine between the index area of the media file of displaying according to described pw, ph, tw, th, d, last media file extremely described media file display area corresponding according to described index interval synchronization again, and show synchronous media file.
In order to technical solutions according to the invention are described, be described below by specific embodiment.
embodiment one:
Fig. 1 shows the process flow diagram of a kind of media file synchronization method that first embodiment of the invention provides, and details are as follows:
Step S11, obtains width pw and the height ph of the single medium file that mobile terminal is shown.
Wherein, media file comprises video file, audio file, picture etc.
In this step, pw and ph is here not unique, specifically sets according to the custom of different mobile terminal itself and user.In addition, in order to make the media file of displaying more attractive in appearance, the width of the media file that agreement is shown is consistent, highly unanimously.When the width of raw media file is not equal to pw, when being highly not equal to ph, then before display media file, needing the width pre-service of raw media file is pw, and height pre-service is ph.
Step S12, obtains width tw and the height t h of media file display area in mobile terminal.
Wherein, tw with th is relevant with the screen size of mobile terminal itself.When media file is picture, obtain width tw and the height t h of the cloud photograph album display area of mobile terminal.
Step S13, obtains the sliding distance d of user's slip media file display area on mobile terminals.
Wherein, the value setting sliding distance d only equals 0 and be greater than 0 both of these case.
Step S14, determines between the index area of the media file of displaying according to described pw, ph, tw, th, d.
Wherein, each index point media file between the index area of media file.
Alternatively, described according to described pw, ph, tw, th, d determine by show media file index area between, specifically comprise:
A1, determine the columns cn of the media file that described media file display area is shown according to described tw and described pw.Particularly, cn equals to round value corresponding to (tw/pw) downwards, "/" here represents " divided by " implication.
A2, judge whether described d equals 0.
A3, to determine between the index area of media file shown according to judged result, described ph and d.
Particularly, described A3 comprises: when described d equals 0, determines the line number fr=1 of the first row media file of described media file display area; Determine that the index of first media file of described media file display area is fi=0; Determine the line number lr of last column media file of described media file display area according to described th and ph, lr is the value of (th/ph) correspondence that rounds up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
Particularly, described A3 comprises: when described d is greater than 0, determines the line number fr of the first row media file of described media file display area, and described fr is the value of (d/ph) correspondence that rounds up; Determine that the index of first media file of described media file display area is fi=(fr-1) * cn; The line number lr of last column media file of described media file display area is determined according to described th, ph and fph, described fph is the displaying height of the first row photo, described lr is value corresponding to [(th-fph)/ph] that round up, "/" here represents " divided by " implication; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].It is pointed out that after determining lr, judge whether lr is greater than maximum line number, if be greater than, then make the line number that lr equals maximum.
Step S15, the media file extremely described media file display area corresponding according to described index interval synchronization, and show synchronous media file.
Particularly, successively according to the synchronous corresponding media file of the index between index area, in synchronizing process, also need to obtain and the essential information of media file, such as obtain the essential informations such as the title of media file, size, know the more information of media file to make user.In this step, the height of the media file that media file display area is shown can be calculated according to the parameter of above-mentioned acquisition.Such as, as sliding distance d=0, the displaying of last column media file of media file display area is highly lph, this lph=th-(lr-fr) * ph, according to this lph value, last column media file is shown from the top of media file, shows to be highly lph.When sliding distance d is greater than 0, the displaying of the first row media file of media file display area is highly fph, fph=ph-d%ph, the implication of described " % " expression " remainder ", according to this fph value, the first row media file of media file display area is shown from the bottom of media file, shows to be highly fph; The displaying of last column media file of media file display area is highly lph, this lph=th-fph-(lr-fr-1) * ph, and according to this lph value, last column media file is shown from the top of media file, shows to be highly lph.
Alternatively, in order to accelerate the speed of showing media file, the described media file corresponding according to described index interval synchronization to described media file display area, and shows synchronous media file, specifically comprises:
B1, to judge whether to exist in buffer memory between described index area corresponding media file successively.
B2, when to there is between described index area corresponding media file in the buffer, by the media file synchronization that exists in buffer memory to described media file display area, and show synchronous media file.
B3, when to there is not between described index area corresponding media file in the buffer, from Cloud Server, download corresponding media file synchronization to described media file display area, and show synchronous media file.
In above-mentioned B1 ~ B3, when storing certain media file between index area in buffer memory, from buffer memory, directly obtain this certain media file, otherwise, from Cloud Server, download corresponding media file.Owing to being greater than the speed from Cloud Server synchronized multimedia file from the speed of buffer memory synchronized multimedia file, therefore, aforesaid way synchronized multimedia file is adopted can to accelerate the synchronous speed of media file.
Further, from Cloud Server, download corresponding media file synchronization to described media file display area described, and after showing synchronous media file, comprising:
By the media file storage downloaded from Cloud Server in the buffer.The media file due to buffer memory, therefore, can to accelerate the synchronous speed of this media file when follow-up needs this media file synchronous.
In first embodiment of the invention, obtain the width pw of the single medium file that mobile terminal is shown, height ph, the width tw of media file display area and height t h and obtain the sliding distance d of user's slip media file display area on mobile terminals, determine between the index area of the media file of displaying according to described pw, ph, tw, th, d, last media file extremely described media file display area corresponding according to described index interval synchronization again, and show synchronous media file.Due to the media file of only synchronous needs display, therefore, it is possible to reduce the quantity of simultaneously synchronous media file, thus the synchronous speed of media file can be accelerated, reduce the risk of RAM leakage simultaneously.
Should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process does not also mean that the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
embodiment two:
Fig. 2 shows the structural drawing of a kind of media file synchronization device that second embodiment of the invention provides, this media file synchronization device can comprise and carries out through wireless access network RAN and one or more core net the subscriber equipment that communicates, this subscriber equipment can be mobile phone (or being called " honeycomb " phone), have the computing machine etc. of mobile device, such as, subscriber equipment can also be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they and wireless access network switched voice and/or data.Again such as, this mobile device can comprise smart mobile phone, panel computer, personal digital assistant PDA, point-of-sale terminal POS or vehicle-mounted computer etc.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
This media file synchronization device comprises: single medium document size acquiring unit 21, media file display area size acquiring unit 22, sliding distance acquiring unit 23, index interval determination unit 24, media file synchronization unit 25.Wherein:
Single medium document size acquiring unit 21, for obtaining width pw and the height ph of the single medium file that mobile terminal is shown.
Wherein, media file comprises video file, audio file, picture etc.
In this step, pw and ph is here not unique, specifically sets according to the custom of different mobile terminal itself and user.In addition, in order to make the media file of displaying more attractive in appearance, the width of the media file that agreement is shown is consistent, highly unanimously.When the width of raw media file is not equal to pw, when being highly not equal to ph, then before display media file, needing the width pre-service of raw media file is pw, and height pre-service is ph.
Media file display area size acquiring unit 22, for obtaining width tw and the height t h of media file display area in mobile terminal.
Wherein, tw with th is relevant with the screen size of mobile terminal itself.
Sliding distance acquiring unit 23, for obtaining the sliding distance d of user's slip media file display area on mobile terminals.
Wherein, the value setting sliding distance d only equals 0 and be greater than 0 both of these case.
Index interval determination unit 24, for determining between the index area of the media file of displaying according to described pw, ph, tw, th, d.
Alternatively, described index interval determination unit 24 comprises:
Media file columns determination module, for determining the columns cn of the media file that described media file display area is shown according to described tw and described pw.Particularly, cn equals to round value corresponding to (tw/pw) downwards, "/" here represents " divided by " implication.
Sliding distance comparison module, for judging whether described d equals 0;
Judged result processing module, for determining between the index area of the media file of displaying according to judged result, described ph and d.
Particularly, described judged result processing module comprises: the first index interval determination module, for when described d equals 0, determines the line number fr=1 of the first row media file of described media file display area; Determine that the index of first media file of described media file display area is fi=0; Determine the line number lr of last column media file of described media file display area according to described th and ph, described lr is the value of (th/ph) correspondence that rounds up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
Particularly, described judged result processing module comprises:
Second index interval determination module, for when described d is greater than 0, determines the line number fr of the first row media file of described media file display area, and described fr is the value of (d/ph) correspondence that rounds up; Determine that the index of first media file of described media file display area is fi=(fr-1) * cn; Determine the line number lr of last column media file of described media file display area according to described th, ph and fph, described fph is the displaying height of the first row photo, and described lr is the value of [(th-fph)/ph] correspondence that rounds up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
Media file synchronization unit 25, for the media file extremely described media file display area corresponding according to described index interval synchronization, and shows synchronous media file.
Particularly, successively according to the synchronous corresponding media file of the index between index area, in synchronizing process, also need to obtain and the essential information of media file, such as obtain the essential informations such as the title of media file, size, know the more information of media file to make user.
Alternatively, in order to accelerate the speed of showing media file, described media file synchronization unit 25 comprises:
Cache information judge module, for judging whether to exist in buffer memory media file corresponding between described index area successively;
Cache file synchronization module, during for there is media file corresponding between described index area in the buffer, by the media file synchronization extremely described media file display area existed in buffer memory, and shows synchronous media file;
High in the clouds file synchronization module, during for there is not media file corresponding between described index area in the buffer, downloading corresponding media file synchronization to described media file display area, and showing synchronous media file from Cloud Server.
Owing to being greater than the speed from Cloud Server synchronized multimedia file from the speed of buffer memory synchronized multimedia file, therefore, above-mentioned cache information judge module, cache file synchronization module and high in the clouds file synchronization module synchronization media file is adopted can to accelerate the synchronous speed of media file.
Further, described media file synchronization device comprises:
File cache unit, for media file storage that will download from Cloud Server in the buffer.The media file due to buffer memory, therefore, can to accelerate the synchronous speed of this media file when follow-up needs this media file synchronous.
In second embodiment of the invention, due to the media file of only synchronous needs display, therefore, it is possible to reduce the quantity of simultaneously synchronous media file, thus the synchronous speed of media file can be accelerated, reduce the risk of RAM leakage simultaneously.
The principle of work of a kind of media file synchronization device of the present embodiment and the principle of work of previous embodiment basically identical, specifically can refer to the description of above-described embodiment, repeat no more herein.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. a media file synchronization method, is characterized in that, described method comprises:
Obtain width pw and the height ph of the single medium file that mobile terminal is shown;
Obtain width tw and the height t h of media file display area in mobile terminal;
Obtain the sliding distance d of user's slip media file display area on mobile terminals;
Determine between the index area of the media file of displaying according to described pw, ph, tw, th, d;
The media file extremely described media file display area corresponding according to described index interval synchronization, and show synchronous media file.
2. method according to claim 1, is characterized in that, described according to described pw, ph, tw, th, d determine by show media file index area between, specifically comprise:
The columns cn of the media file that described media file display area is shown is determined according to described tw and described pw;
Judge whether described d equals 0;
Determine between the index area of the media file of displaying according to judged result, described ph and d.
3. method according to claim 2, is characterized in that, describedly determines, by between the index area of media file shown, specifically to comprise according to judged result, described ph and d:
When described d equals 0, determine the line number fr=1 of the first row media file of described media file display area; Determine that the index of first media file of described media file display area is fi=0; Determine the line number lr of last column media file of described media file display area according to described th and ph, described lr is the value of (th/ph) correspondence that rounds up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
4. method according to claim 2, is characterized in that, describedly determines, by between the index area of media file shown, specifically to comprise according to judged result, described ph and d:
When described d is greater than 0, determine the line number fr of the first row media file of described media file display area, described fr is the value of (d/ph) correspondence that rounds up; Determine that the index of first media file of described media file display area is fi=(fr-1) * cn; Determine the line number lr of last column media file of described media file display area according to described th, ph and fph, described fph is the displaying height of the first row photo, and described lr is the value of [(th-fph)/ph] correspondence that rounds up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
5. method according to claim 1, is characterized in that, the described media file corresponding according to described index interval synchronization to described media file display area, and shows synchronous media file, specifically comprises:
Judge whether to exist in buffer memory media file corresponding between described index area successively;
When there is media file corresponding between described index area in the buffer, by the media file synchronization extremely described media file display area existed in buffer memory, and show synchronous media file;
When there is not media file corresponding between described index area in the buffer, from Cloud Server, download corresponding media file synchronization to described media file display area, and show synchronous media file.
6. a media file synchronization device, is characterized in that, described device comprises:
Single medium document size acquiring unit, for obtaining width pw and the height ph of the single medium file that mobile terminal is shown;
Media file display area size acquiring unit, for obtaining width tw and the height t h of media file display area in mobile terminal;
Sliding distance acquiring unit, for obtaining the sliding distance d of user's slip media file display area on mobile terminals;
Index interval determination unit, for determining between the index area of the media file of displaying according to described pw, ph, tw, th, d;
Media file synchronization unit, for the media file extremely described media file display area corresponding according to described index interval synchronization, and shows synchronous media file.
7. device according to claim 6, is characterized in that, described index interval determination unit comprises:
Media file columns determination module, for determining the columns cn of the media file that described media file display area is shown according to described tw and described pw;
Sliding distance comparison module, for judging whether described d equals 0;
Judged result processing module, for determining between the index area of the media file of displaying according to judged result, described ph and d.
8. device according to claim 7, is characterized in that, described judged result processing module comprises:
First index interval determination module, for when described d equals 0, determines the line number fr=1 of the first row media file of described media file display area; Determine that the index of first media file of described media file display area is fi=0; Determine the line number lr of last column media file of described media file display area according to described th and ph, described lr is the value of (th/ph) correspondence that rounds up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
9. device according to claim 7, is characterized in that, described judged result processing module comprises:
Second index interval determination module, for when described d is greater than 0, determines the line number fr of the first row media file of described media file display area, and described fr is the value of (d/ph) correspondence that rounds up; Determine that the index of first media file of described media file display area is fi=(fr-1) * cn; According to described th ph and fph determine that the line number lr of last column media file of described media file display area, described fph are the displaying height of the first row photo, described lr is value corresponding to [(th-fph)/ph] that round up; Total line number Rn=lr-fr+1 of described media file display area is determined according to described lr and fr; Determine the number of media files count=Rn*cn that described media file display area is shown; Determine that the index of last media file of described media file display area is li=fi+count-1, with determine by between the index area of media file shown for [fi, li].
10. device according to claim 6, is characterized in that, described media file synchronization unit comprises:
Cache information judge module, for judging whether to exist in buffer memory media file corresponding between described index area successively;
Cache file synchronization module, during for there is media file corresponding between described index area in the buffer, by the media file synchronization extremely described media file display area existed in buffer memory, and shows synchronous media file;
High in the clouds file synchronization module, during for there is not media file corresponding between described index area in the buffer, downloading corresponding media file synchronization to described media file display area, and showing synchronous media file from Cloud Server.
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