CN103475929B - Multimedia file thumbnail read method and system - Google Patents
Multimedia file thumbnail read method and system Download PDFInfo
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- CN103475929B CN103475929B CN201310404756.8A CN201310404756A CN103475929B CN 103475929 B CN103475929 B CN 103475929B CN 201310404756 A CN201310404756 A CN 201310404756A CN 103475929 B CN103475929 B CN 103475929B
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Abstract
The present invention discloses a kind of multimedia file thumbnail read method and system, first terminal scans all multimedia files stored in the multimedia database on the first terminal, and the thumbnail of the multimedia file scanned is stored under predetermined directory, the thumbnail URL addresses after preservation and the multimedia file identification information scanned are generated into corresponding XML file and are saved under predetermined directory；When first terminal monitors second terminal transmission multimedia messages request, predetermined directory is searched, the XML file for obtaining first terminal is simultaneously sent to second terminal；Second terminal receive and parse through first terminal return XML file preserved after thumbnail URL addresses, according to the corresponding multimedia file thumbnail of thumbnail URL address acquisitions after preservation；Beneficial effect with the corresponding multimedia file thumbnail of request quick obtaining for second terminal, it is to avoid the problem of second terminal obtains a large amount of unnecessary data.
Description
Technical field
The present invention relates to multimedia technology of sharing, more particularly to a kind of multimedia file thumbnail read method and system.
Background technology
At present, in LAN between equipment multimedia it is shared be multimedia era development main flow, show multimedia
File thumbnail is a shared essential technology of multimedia, such as shows the video of other equipment, sound in LAN
Frequently, the thumbnail of picture.
Mainly there be the practices well of multimedia thumbnail between second terminal acquisition lan device：Second terminal is directly obtained
Artwork is taken, the URL of artwork（Uniform Resource Locator, URL）As thumbnail（Such as scheme
Piece artwork）Directly obtain；Or, first terminal obtains thumbnail data from multimedia database, and all thumbnails
The packing of data whole simultaneously issues second terminal together；The multimedia file thumbnail gone again as second terminal required for searching.But
When thering is substantial amounts of second terminal concurrently to access and obtaining first terminal data, it will occur because multithreading obtains database information
Cause competitive relation and cause the problem of first terminal degraded performance and second terminal obtain thumbnail overlong time.
The content of the invention
In consideration of it, being necessary to provide a kind of multimedia file thumbnail read method and system, obtained with improving second terminal
Take the speed of multimedia thumbnail between lan device.
The embodiment of the invention discloses a kind of multimedia file thumbnail read method, comprise the following steps：
First terminal scans all multimedia files stored in the multimedia database on the first terminal, and will
The thumbnail of the multimedia file scanned is stored under predetermined directory, and the thumbnail URL addresses after preservation and scanning are arrived
The multimedia file identification information generate corresponding XML file and be saved under predetermined directory；
When first terminal monitors second terminal transmission multimedia messages request, the predetermined directory is searched, obtains described
The XML file of first terminal is simultaneously sent to second terminal；
Second terminal receive and parse through first terminal return XML file preserved after thumbnail URL addresses, according to guarantor
Deposit the corresponding multimedia file thumbnail of rear thumbnail URL address acquisitions.
Preferably, the first terminal scans all many matchmakers stored in the multimedia database on the first terminal
Body file, and the thumbnail of the multimedia file scanned is stored under predetermined directory, including：
While first terminal scans the multimedia file stored on the first terminal in multimedia database, search
Under predetermined directory, if there is the other information of the multimedia file identification scanned；
If in the absence of the multimedia file identification information scanned, multimedia text is extracted from multimedia database
The corresponding thumbnail of part, and the corresponding thumbnail of the multimedia file of extraction is stored under the predetermined directory.
Preferably, the identification information of the multimedia file includes the filename of multimedia file correspondence thumbnail.
Preferably, when first terminal monitors second terminal transmission multimedia messages request, the predetermined directory is searched, is obtained
Obtain the XML file of the first terminal and be sent to second terminal, including：
First terminal starts the sub-line journey that Streaming Media monitors application program, and the son of application program is monitored by the Streaming Media started
Thread searches the predetermined directory according to the multimedia request information, obtains the corresponding XML file of the first terminal concurrent
Give second terminal；
First terminal monitors the main thread of application program using the Streaming Media having been turned on simultaneously, continues to monitor second eventually
Whether end has transmission multimedia messages request.
Preferably, the second terminal receive and parse through first terminal return XML file preserved after thumbnail URL
Address, according to the corresponding multimedia file thumbnail of thumbnail URL address acquisitions after preservation, including：
Second terminal receives and parses through the XML file that the first terminal is returned, and is obtained according to multimedia file identification information
Take the URL addresses of multimedia file thumbnail；
According to the URL addresses of acquisition, second terminal reads the multimedia file thumbnail of first terminal storage.
The embodiment of the present invention is also disclosed a kind of multimedia file thumbnail and reads system, including first terminal and second is eventually
End；
The first terminal is used for：
Scan all multimedia files stored in the multimedia database on the first terminal, and will scan
The thumbnail of multimedia file is stored under predetermined directory, by the thumbnail URL addresses after preservation and scan it is described many
Media file identification information generates corresponding XML file and is saved under predetermined directory；Monitor second terminal and send multimedia
During information request, the predetermined directory is searched, the XML file of the first terminal is obtained and is sent to second terminal；
The second terminal is used for：Multimedia messages request is sent to first terminal, first terminal return is received and parsed through
XML file preserved after thumbnail URL addresses, according to the corresponding multimedia file of thumbnail URL address acquisitions after preservation
Thumbnail.
Preferably, the first terminal is additionally operable to：
While scanning the multimedia file stored on the first terminal in multimedia database, predetermined directory is searched
Under, if there is the other information of the multimedia file identification scanned；
If in the absence of the multimedia file identification information scanned, multimedia text is extracted from multimedia database
The corresponding thumbnail of part, and the corresponding thumbnail of the multimedia file of extraction is stored under the predetermined directory.
Preferably, the multimedia file identification information includes the filename of multimedia file correspondence thumbnail.
Preferably, the first terminal is additionally operable to：
Start the sub-line journey that Streaming Media monitors application program, by the Streaming Media that starts monitor the sub-line journey of application program according to
The multimedia request information, searches the predetermined directory, obtains the corresponding XML file of the first terminal and is sent to second
Terminal；
The main thread of application program is monitored using the Streaming Media having been turned on simultaneously, continues to monitor whether second terminal has
Send multimedia messages request.
Preferably, the second terminal is additionally operable to：
The XML file that the first terminal is returned is received and parsed through, according to multimedia file identification acquisition of information multimedia
The URL addresses of file thumbnail；
According to the URL addresses of acquisition, second terminal reads the multimedia file thumbnail of first terminal storage.
All multimedias text stored on first terminal of embodiment of the present invention scanning first terminal in multimedia database
Part, and the thumbnail of the multimedia file scanned is stored under predetermined directory, and by the thumbnail URL addresses after preservation with
And the multimedia file identification information scanned generates corresponding XML file and is saved under predetermined directory；First terminal is monitored
When sending multimedia messages request to second terminal, the predetermined directory is searched, the XML file of first terminal is obtained and is sent to
Second terminal；Second terminal receive and parse through first terminal return XML file preserved after thumbnail URL addresses, according to
The corresponding multimedia file thumbnail of thumbnail URL address acquisitions after preservation；Compared in the prior art, a large amount of second terminals are simultaneously
When hair accesses first terminal, first terminal need not travel through multimedia database but directly obtain and parse under predetermined directory
XML file obtains corresponding URL addresses, and the embodiment of the present invention has the specific request quick obtaining for second terminal corresponding
The beneficial effect of multimedia file thumbnail, it is to avoid the problem of second terminal obtains a large amount of unnecessary data；Further, by
Start the request that corresponding sub-line journey handles second terminal in first terminal, therefore allow second terminal largely concurrently to access first
While terminal, still possesses the beneficial effect for improving first terminal runnability.
Brief description of the drawings
Fig. 1 is the embodiment schematic flow sheet of multimedia file thumbnail read method one of the present invention；
Fig. 2 is that multimedia file thumbnail of the present invention reads the embodiment high-level schematic functional block diagram of system one.
Realization, functional characteristics and the advantage of purpose of the embodiment of the present invention will be done furtherly referring to the drawings in conjunction with the embodiments
It is bright.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Fig. 1 is the embodiment schematic flow sheet of multimedia file thumbnail read method one of the present invention；In the present embodiment, first
Terminal is that the terminal of multi-medium data is shared in LAN with second terminal, and first terminal is to provide the end of shared multi-medium data
End, second terminal is the terminal for the multi-medium data that shared first terminal is provided, as shown in figure 1, multimedia file of the present invention contracts
Sketch map read method comprises the following steps：
Step S01, first terminal scan all multimedias stored in the multimedia database on the first terminal
File, and the thumbnail of the multimedia file scanned is stored under default catalogue, by the thumbnail URL addresses after preservation
And the multimedia file identification information scanned generates corresponding XML file and is saved under predetermined directory；
While first terminal scans multimedia file in the terminal, search under predetermined directory, if having what is scanned
The identification information of the multimedia file；If in the absence of the identification information of the multimedia file scanned, from multi-medium data
The corresponding thumbnail of the multimedia file is extracted in storehouse, and the corresponding thumbnail of the multimedia file of extraction is stored in default
Under catalogue.In a preferred embodiment, all multimedia file identification information and corresponding preservation retraction are arrived into scanning
Sketch map URL addresses, correspondence preservation is packaged as an XML（Xtensible Markup Language, extensible markup language）File
It is stored under predetermined directory, while thumbnail and XML file can be respectively stored in default breviary drawings list and default XML texts
Under part catalogue, it is easy to search.
Under normal circumstances, first by the multimedia mode of scanning system when first terminal is started shooting or when thering is system to have a renewal
All multimedia document informations are obtained, and the corresponding thumbnail of multimedia file is extracted and is stored under predetermined directory,
Multimedia messages including multimedia file correspondence thumbnail file name are packaged into XML file and are saved in the XML file mesh specified
Under record.The multimedia file identification information can also include all information of multimedia file, such as multimedia file thumbnail
The URL addresses of thumbnail, multimedia file name etc. after the URL addresses of artwork, the multimedia file are preserved.Wherein multimedia file
Can be video file, audio file etc..
When scanning multimedia database, whether the thumbnail that first terminal searches the multimedia file has had last time
Inside the predetermined directory of preservation；Because first terminal is the title for the multimedia file thumbnail specified to predetermined directory lookup,
Therefore this search procedure does not interfere with the performance of system at all.If the breviary for the multimedia file that first terminal is searched
Figure has been present under the preassigned breviary drawings list i.e. predetermined directory of last time preservation, then first terminal will not be generated again
The thumbnail of the multimedia file；The purpose for the arrangement is that preventing from repeatedly generating thumbnail, to improve system effectiveness.If default
The corresponding breviary of the multimedia file that first terminal is scanned is not present in all multimedia thumbnails preserved in catalogue
Figure, then first terminal extracts the corresponding thumbnail of the multimedia file from the multimedia database of the first terminal, and will carry
The multimedia file thumbnail taken is saved in the predetermined directory of storage thumbnail.
In specific application scenarios, first terminal travels through multimedia database, and generation multimedia file thumbnail is arrived
In httpService some assigned catalogue under such as TCL-thumbnailsDir catalogue, and by all multimedia files
Thumbnail is all placed under same catalogue TCL-thumbnailsDir, and first terminal side stores corresponding multimedia file contracting
Sketch map side generates the corresponding store path of the multimedia file thumbnail i.e. URL addresses.It is described in the present embodiment
HttpService can be understood as an application program increased income, and it is functionally similar to the video server program of youku.com, can connect
Receive and video, music, the broadcasting of picture and the request of download are handled.
The realization that first terminal obtains multimedia file thumbnail URL addresses is described with concrete application scene below
Journey.
Assuming that the store path where the artwork for certain three pictures that first terminal is scanned is respectively：
"/sdcard/dir1/1.jpg ", "/sdcard/dir2/2.jpg ", "/sdcard/dir3/3.jpg ", and this
Three pictures do not have corresponding thumbnail under corresponding predetermined directory, then first terminal generates the corresponding contracting of this three pictures
The path of sketch map is respectively：
“/sdcard/TCL-thumbnailsDir/485945thumbnails1.jpg”
“ /sdcard/TCL-thumbnailsDir/409385thbumnails2.jpg”、
“/sdcard/TCL-thumbnailsDir/075945thumbnails3.jpg”。
The multimedia file identification information of first terminal storage generates the multimedia file identification information one with first terminal
Cause, therefore, if the IP address of server is 192.168.1.100, port numbers are 8080；After then above-mentioned three pictures are preserved
The URL addresses difference of thumbnail：
http://192.168.1.100:8080/sdcard/TCL-thumbnailsDir/
485945thumbnails1.jpg
http://192.168.1.100:8080/sdcard/TCL-thumbnailsDir/
485945thumbnails2.jpg
http://192.168.1.100:8080/sdcard/TCL-thumbnailsDir/
485945thumbnails3.jpg
First terminal arrives the XML file storage of the multimedia file comprising multimedia file thumbnail URL of generation
In httpService predetermined directories.
When step S02, first terminal monitor second terminal transmission multimedia messages request, the predetermined directory is searched,
Obtain the XML file of the first terminal and be sent to second terminal.
After multimedia database is scanned through, first terminal starts Streaming Media monitoring application program, waits second terminal hair
The multimedia messages request sent.When monitoring the multimedia messages request of second terminal transmission, predetermined directory is searched, institute is obtained
State the XML file of first terminal and the XML file of acquisition is sent to second terminal.
In specific application scenarios, first terminal can start httpService this application program progress multimedias
Data processing when file thumbnail is read.Such as, first terminal starts the sub-line journey that Streaming Media monitors application program, processing the
The multimedia messages request that two terminals are sent；The main thread of application program is monitored using the Streaming Media having been turned on simultaneously, continues to supervise
Whether control second terminal has transmission multimedia messages request.
If the request of second terminal is multimedia messages request, first terminal promoter thread process multimedia XML
The request of file, main thread returns to waiting for request next time of second terminal；If the request of second terminal is multimedia thumbnail
The request of the request of data, then first terminal promoter thread process multimedia thumbnail data, main thread returns to waiting for second
Request next time of terminal.
Step S03, second terminal receive and parse through first terminal return XML file preserved after thumbnail URL
Location, according to the corresponding multimedia file thumbnail of thumbnail URL address acquisitions after preservation.
Second terminal receives and parses through the XML file of first terminal return, according to multimedia file identification acquisition of information
The URL addresses of multimedia file thumbnail；According to the URL addresses of acquisition, read from first terminal described in first terminal storage
Multimedia file thumbnail.
Under normal circumstances, second terminal can arrive saving contents for the multimedia document information that httpService is specified and go for
Seek the XML file of multimedia messages；After the XML file of corresponding multimedia messages is obtained, it is many that second terminal parsing is obtained
Media XML file, obtains the URL addresses of each multimedia file thumbnail；After the URL addresses of thumbnail are obtained, second eventually
End can ask to read the multimedia file thumbnail for being stored in first terminal with multithreading, and then obtain shared equipment multimedia text
The thumbnail of part.
In concrete application scene, second terminal can ask the XML texts of multimedia file by creating http Get
Part.Second terminal parses this document after the multimedia XML file that first terminal is sent is obtained, and passes through definition multimedia XML texts
Part obtains the corresponding thumbnail URL addresses of all multimedia file identification information of first terminal, the multi-media tag packet
Include：The information such as the URL of multimedia original, the filename of multimedia file, multimedia file correspondence thumbnail file name.Second
After URL where terminal acquisition multimedia file thumbnail, first terminal multimedia file is read by Asynchronous loading mode
Thumbnail.
All multimedia files stored on the present embodiment first terminal scanning first terminal in multimedia database, and
The thumbnail of the multimedia file scanned is stored under predetermined directory, by the thumbnail URL addresses after preservation and scanning
To multimedia file identification information generate corresponding XML file and be saved under predetermined directory；First terminal monitors second
When terminal sends multimedia messages request, predetermined directory is searched, the XML file of first terminal is obtained and is sent to second terminal；
Second terminal receive and parse through first terminal return XML file preserved after thumbnail URL addresses, according to breviary after preservation
Scheme the corresponding multimedia file thumbnail of URL address acquisitions；It is corresponding with the specific request quick obtaining for second terminal
The beneficial effect of multimedia file thumbnail, it is to avoid the problem of second terminal obtains a large amount of unnecessary data；Further, by
Start the request that corresponding sub-line journey handles second terminal in first terminal, therefore, the is obtained in second terminal multi-thread concurrent
Effective acquisition corresponding data is remained to during one terminal data, with the beneficial effect for improving first terminal runnability, it is ensured that the
Two terminals efficiently access and obtain the multimedia file thumbnail of first terminal.
Fig. 2 is that multimedia file thumbnail of the present invention reads the embodiment high-level schematic functional block diagram of system one；As shown in Fig. 2
Multimedia file thumbnail of the present invention, which reads system, includes first terminal 100 and second terminal 200.
In the present embodiment, first terminal 100 is that the terminal of multi-medium data is shared in LAN with second terminal 200, the
One terminal 100 is to provide the terminal of shared multi-medium data, and second terminal 200 is the multimedia that shared first terminal 100 is provided
The terminal of data.
The first terminal 100 is used for：Scan stored in the multimedia database on the first terminal all many
Media file, and the thumbnail of the multimedia file scanned is stored under predetermined directory, by the thumbnail URL after preservation
Location and the multimedia file identification information scanned generate corresponding XML file and are saved under predetermined directory；Monitoring
When sending multimedia messages request to second terminal 200, the predetermined directory is searched, the XML texts of the first terminal 100 are obtained
Part is simultaneously sent to second terminal 200.
While first terminal 100 scans each multimedia file on the first terminal 100, search under predetermined directory, if
In the presence of the identification information of the multimedia file scanned；If in the absence of the identification information of the multimedia file scanned,
Extract the corresponding thumbnail of the multimedia file from multimedia database, and by the corresponding breviary of the multimedia file of extraction
Figure is stored under predetermined directory.In a preferred embodiment, by all multimedia file identification information scanned and
Thumbnail URL addresses after corresponding preservation, correspondence preservation is packaged as an XML file and is stored under predetermined directory, while thumbnail
And XML file can be respectively stored under default breviary drawings list and default XML file catalogue, it is easy to search.
Under normal circumstances, it is multimedia by scanning system first when first terminal 100 is started shooting or when thering is system to have a renewal
Mode obtains all multimedia document informations, and the corresponding thumbnail of multimedia file is extracted and predetermined directory is stored in
Under, the multimedia messages including multimedia file correspondence thumbnail file name are packaged into XML file and are saved in the XML specified texts
Under part catalogue.The multimedia file identification information can also include all information of multimedia file, such as multimedia file contracts
The URL addresses of thumbnail, multimedia file name etc. after the URL addresses of sketch map artwork, the multimedia file are preserved.Wherein multimedia
File can be video file, audio file etc..
When scanning multimedia database, whether the thumbnail that first terminal 100 searches the multimedia file has been present
Inside the predetermined directory that last time preserves；Because first terminal 100 is to search the multimedia file thumbnail specified to predetermined directory
Title, therefore this search procedure does not interfere with the performance of system at all.If the multimedia that first terminal 100 is searched
The thumbnail of file has been present under the preassigned breviary drawings list i.e. predetermined directory of last time preservation, then first terminal 100
The thumbnail of the multimedia file will not be generated again；The purpose for the arrangement is that preventing from repeatedly generating thumbnail, it is to improve
System efficiency.If all multimedia thumbnails preserved in predetermined directory be not present that first terminal 100 scans this is more
The corresponding thumbnail of media file, then first terminal 100 multimedia is extracted from the multimedia database of the first terminal 100
The corresponding thumbnail of file, and the multimedia file thumbnail of extraction is saved in the predetermined directory of storage thumbnail.
In specific application scenarios, first terminal 100 travels through multimedia database, generates multimedia file thumbnail
In to httpService some assigned catalogue under such as TCL-thumbnailsDir catalogue, and all multimedias is literary
Part thumbnail is all placed under same catalogue TCL-thumbnailsDir, and the side of first terminal 100 stores corresponding multimedia text
Part thumbnail side generates the corresponding store path of the multimedia file thumbnail i.e. URL addresses.It is described in the present embodiment
HttpService can be understood as an application program increased income, and it is functionally similar to the video server program of youku.com, can connect
Receive and video, music, the broadcasting of picture and the request of download are handled.
The realization that first terminal 100 obtains multimedia file thumbnail URL addresses is described with concrete application scene below
Process.
Assuming that the store path where the artwork for certain three pictures that first terminal 100 is scanned is respectively：
"/sdcard/dir1/1.jpg ", "/sdcard/dir2/2.jpg ", "/sdcard/dir3/3.jpg ", and this
Three pictures are without corresponding thumbnail under corresponding predetermined directory, then this three pictures of the generation of first terminal 100 are corresponding
The path of thumbnail be respectively：
“/sdcard/TCL-thumbnailsDir/485945thumbnails1.jpg”
“ /sdcard/TCL-thumbnailsDir/409385thbumnails2.jpg”、
“/sdcard/TCL-thumbnailsDir/075945thumbnails3.jpg”。
The multimedia file identification information and the generation of first terminal 100 multi-media tag stored due to first terminal 100
Information is consistent, therefore, if the IP address of server is 192.168.1.100, port numbers are 8080；Then above-mentioned three pictures are protected
The URL addresses difference of thumbnail after depositing：
http://192.168.1.100:8080/sdcard/TCL-thumbnailsDir/
485945thumbnails1.jpg
http://192.168.1.100:8080/sdcard/TCL-thumbnailsDir/
485945thumbnails2.jpg
http://192.168.1.100:8080/sdcard/TCL-thumbnailsDir/
485945thumbnails3.jpg
First terminal 100 arrives the XML file storage of the multimedia file comprising multimedia file thumbnail URL of generation
In httpService predetermined directories.
After multimedia database is scanned through, first terminal 100 starts Streaming Media monitoring application program, waits second terminal
The 200 multimedia messages requests sent.When monitoring the multimedia messages request of the transmission of second terminal 200, first terminal 100
Predetermined directory is searched, the XML file of the first terminal 100 is obtained and the XML file of acquisition is sent to second terminal 200.
In specific application scenarios, first terminal 100 can start many matchmakers of httpService this application program progress
Data processing when body file thumbnail is read.Such as, first terminal 100 starts the sub-line journey that Streaming Media monitors application program,
Handle the multimedia messages request that second terminal 200 is sent；The main line of application program is monitored using the Streaming Media having been turned on simultaneously
Journey, continues to monitor whether second terminal 200 has transmission multimedia messages request.
If the request of second terminal 200 is multimedia messages request, many matchmakers of promoter thread process of first terminal 100
The request of body XML file, main thread returns to waiting for request next time of second terminal 200；If the request of second terminal 200 is many
The request of the request of media thumbnail data, then the promoter thread process multimedia thumbnail data of first terminal 100, main thread
Return to waiting for request next time of second terminal 200.
The second terminal 200 is used for：Multimedia messages request is sent to first terminal 100, first is received and parsed through eventually
Thumbnail URL addresses after the XML file that end 100 is returned is preserved, it is corresponding many according to thumbnail URL address acquisitions after preservation
Media file thumbnail.
Second terminal 200 receives and parses through the XML file of the return of first terminal 100, according to multimedia file identification information
Obtain the URL addresses of multimedia file thumbnail；According to the URL addresses of acquisition, first terminal 100 is read from first terminal 100
The multimedia file thumbnail of storage.
Under normal circumstances, second terminal 200 can be specified to httpService multimedia document information saves contents
Ask the XML file of multimedia messages；After the XML file of corresponding multimedia messages is obtained, the parsing of second terminal 200 is obtained
Multimedia XML file, obtain the URL addresses of each multimedia file thumbnail；After the URL addresses of thumbnail are obtained, the
Two terminals 200 can ask to read the multimedia file thumbnail for being stored in first terminal 100 with multithreading, and then obtain shared set
The thumbnail of standby multimedia file.
In concrete application scene, second terminal 200 can ask the XML of multimedia file by creating http Get
File.Second terminal 200 parses this document after the multimedia XML file that first terminal 100 is sent is obtained, by parsing many matchmakers
Body XML file obtains the corresponding thumbnail URL addresses of all multimedia file identification information of first terminal 100, the multimedia
Identification information includes：The URL of multimedia original, the filename of multimedia file, multimedia file correspondence thumbnail file name
Etc. information.After URL where the acquisition multimedia file thumbnail of second terminal 200, first is read by Asynchronous loading mode
The thumbnail of the multimedia file of terminal 100.
All multimedia files stored on the present embodiment first terminal scanning first terminal in multimedia database, and
The thumbnail of the multimedia file scanned is stored under predetermined directory, by the thumbnail URL addresses after preservation and scanning
To multimedia file identification information generate corresponding XML file and be saved under predetermined directory；First terminal monitors second
When terminal sends multimedia messages request, predetermined directory is searched, the XML file of first terminal is obtained and is sent to second terminal；
Second terminal receive and parse through first terminal return XML file preserved after thumbnail URL addresses, according to breviary after preservation
Scheme the corresponding multimedia file thumbnail of URL address acquisitions；It is corresponding with the specific request quick obtaining for second terminal
The beneficial effect of multimedia file thumbnail, it is to avoid the problem of second terminal obtains a large amount of unnecessary data；Further, by
Start the request that corresponding sub-line journey handles second terminal in first terminal, therefore, the is obtained in second terminal multi-thread concurrent
Effective acquisition corresponding data is remained to during one terminal data, with the beneficial effect for improving first terminal runnability, it is ensured that the
Two terminals efficiently access and obtain the multimedia file thumbnail of first terminal.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the system of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
The preferred embodiments of the present invention are the foregoing is only, its scope of the claims is not thereby limited, it is every to utilize the present invention
Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, are directly or indirectly used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (8)
1. a kind of multimedia file thumbnail read method, it is characterised in that comprise the following steps：
First terminal scans the institute stored in the multimedia database on the first terminal when starting shooting or having system update
There is multimedia file, and the thumbnail of the multimedia file scanned is stored under predetermined directory, by the thumbnail after preservation
URL addresses and the multimedia file identification information scanned generate corresponding XML file and are saved under predetermined directory；
When first terminal monitors second terminal transmission multimedia messages request, the predetermined directory is searched, described first is obtained
The XML file of terminal is simultaneously sent to second terminal, specifically includes：First terminal starts the sub-line that Streaming Media monitors application program
Journey, the sub-line journey for monitoring application program by the Streaming Media started is asked according to the multimedia messages, searches the predetermined directory,
Obtain the corresponding XML file of the first terminal and be sent to second terminal；First terminal utilizes the stream having been turned on simultaneously
Media monitor the main thread of application program, continue to monitor whether second terminal has transmission multimedia messages request；
Second terminal receive and parse through first terminal return XML file preserved after thumbnail URL addresses, after preservation
The corresponding multimedia file thumbnail of thumbnail URL address acquisitions.
2. the method as described in claim 1, it is characterised in that the first terminal scans the multimedia on the first terminal
All multimedia files stored in database, and the thumbnail of the multimedia file scanned is stored in predetermined directory
Under, including：
While first terminal scans the multimedia file stored on the first terminal in multimedia database, search default
Under catalogue, if there is the multimedia file identification information scanned；
If in the absence of the multimedia file identification information scanned, the multimedia file pair is extracted from multimedia database
The thumbnail answered, and the corresponding thumbnail of the multimedia file of extraction is stored under the predetermined directory.
3. method as claimed in claim 2, it is characterised in that the multimedia file identification information includes multimedia text
The filename of part correspondence thumbnail.
4. method as claimed in claim 1 or 2, it is characterised in that the second terminal receives and parses through first terminal return
XML file preserved after thumbnail URL addresses, according to the corresponding multimedia file of thumbnail URL address acquisitions after preservation
Thumbnail, including：
Second terminal receives and parses through the XML file that the first terminal is returned, many according to multimedia file identification acquisition of information
The URL addresses of media file thumbnail；
According to the URL addresses of acquisition, second terminal reads the multimedia file thumbnail of first terminal storage.
5. a kind of multimedia file thumbnail reads system, it is characterised in that including first terminal and second terminal；
The first terminal is used for：
All multimedias stored in the multimedia database on the first terminal are scanned when starting shooting or having system update
File, and the thumbnail of the multimedia file scanned is stored under predetermined directory, by the thumbnail URL addresses after preservation with
And the multimedia file identification information scanned generates corresponding XML file and is saved under predetermined directory；Monitor second eventually
When end sends multimedia messages request, the predetermined directory is searched, the XML file of the first terminal is obtained and is sent to second
Terminal；Start the sub-line journey that Streaming Media monitors application program, the sub-line journey of application program is monitored according to institute by the Streaming Media started
Multimedia messages request is stated, the predetermined directory is searched, the corresponding XML file of the first terminal is obtained and is sent to second eventually
End；The main thread of application program is monitored using the Streaming Media having been turned on simultaneously, continues to monitor whether second terminal has transmission
Multimedia messages are asked；
The second terminal is used for：Multimedia messages request is sent to first terminal, the XML of first terminal return is received and parsed through
Thumbnail URL addresses after file is preserved, according to the corresponding multimedia file breviary of thumbnail URL address acquisitions after preservation
Figure.
6. system as claimed in claim 5, it is characterised in that the first terminal is additionally operable to：
While scanning the multimedia file stored on the first terminal in multimedia database, search under predetermined directory,
With the presence or absence of the multimedia file identification information scanned；
If in the absence of the multimedia file identification information scanned, the multimedia file pair is extracted from multimedia database
The thumbnail answered, and the corresponding thumbnail of the multimedia file of extraction is stored under the predetermined directory.
7. system as claimed in claim 6, it is characterised in that the multimedia file identification information includes multimedia text
The filename of part correspondence thumbnail.
8. the system as described in claim 5 or 6, it is characterised in that the second terminal is additionally operable to：
The XML file that the first terminal is returned is received and parsed through, according to multimedia file identification acquisition of information multimedia file
The URL addresses of thumbnail；
According to the URL addresses of acquisition, second terminal reads the multimedia file thumbnail of first terminal storage.
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| CN104023060B (en) * | 2014-06-06 | 2018-06-01 | 广州三星通信技术研究有限公司 | The method and apparatus for sending file |
| CN104484338B (en) * | 2014-11-20 | 2018-05-29 | 北京安奇智联科技有限公司 | Listed files management equipment and method |
| CN104462366B (en) * | 2014-12-08 | 2018-04-13 | 北京安奇智联科技有限公司 | The browser and its method for viewing thumbnail of a kind of computing device |
| CN106445319B (en) * | 2016-10-31 | 2019-08-20 | 维沃移动通信有限公司 | A kind of file location method and terminal |
| CN107426088A (en) | 2017-07-20 | 2017-12-01 | 北京小米移动软件有限公司 | Pictorial information processing method and processing device |
| CN107943987B (en) * | 2017-12-01 | 2022-03-22 | 苏州联讯图创软件有限责任公司 | Method and system for quickly reading graph |
| CN109272449A (en) * | 2018-08-20 | 2019-01-25 | 中国平安人寿保险股份有限公司 | Image display method and device, computer installation and readable storage medium storing program for executing |
| CN109325134A (en) * | 2018-09-21 | 2019-02-12 | Oppo广东移动通信有限公司 | A kind of thumbnail management method, thumbnail managing device and mobile terminal |
| CN109271543B (en) * | 2018-09-26 | 2021-03-26 | Oppo广东移动通信有限公司 | Thumbnail display method and device, terminal and computer-readable storage medium |
| CN110598032B (en) * | 2019-09-25 | 2022-06-14 | 京东方艺云(杭州)科技有限公司 | Image tag generation method, server and terminal equipment |
| CN112100131A (en) * | 2020-09-24 | 2020-12-18 | 深圳软牛科技有限公司 | Thumbnail extraction method and device in android system and electronic equipment |
| CN112351319B (en) * | 2020-11-04 | 2024-02-09 | 深圳Tcl新技术有限公司 | Network download service method, device and computer storage medium |
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