CN101957854A - Data storage method of media files and mobile terminal - Google Patents
Data storage method of media files and mobile terminal Download PDFInfo
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- CN101957854A CN101957854A CN201010292921.1A CN201010292921A CN101957854A CN 101957854 A CN101957854 A CN 101957854A CN 201010292921 A CN201010292921 A CN 201010292921A CN 101957854 A CN101957854 A CN 101957854A
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Abstract
The embodiment of the invention provides a data storage method of media files and a mobile terminal. The data storage method comprises the following steps of: scanning the media files on a built-in card of the mobile terminal, and extracting metainformation of the media files on the built-in card and saving the metainformation in an expansion database of the mobile terminal. By the embodiment of the invention, the media files on the built-in card of the mobile terminal and records of a system database are synchronized.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of date storage method and portable terminal of media file.
Background technology
The existing mobile phone of being with the Android system, after start, the media file (the tinkle of bells of some embedded in mobile phone on MediaScanner (medium scanner) the service meeting autoscan mobile phone, prompting sound, alarm clock sound etc.) and preserve these media files metamessage (metamessage be the reflection media file properties information, such as, the thumbnail (thumbnail) of the albumart (album cover) of audio (audio frequency) and image (image)/video (video) is a kind of of metamessage, metamessage also can comprise the special edition of audio, the artist, school etc., image/video's is high wide, longitude and latitude etc.) in the internal database (internal database) of mobile phone inside; When mobile phone has (or insertion) sd card (Secure Digital), audio (audio frequency) on the MediaScanner service meeting autoscan sd card, image (image), the metamessage of these media files on video media files such as (videos) and the preservation sd card is to external database (another database different with internal of mobile phone inside, be called extending database) in, extract thumbnail (thumbnail) information of the albumart (album cover) and the image/video file of audio file then, preserve albumart and thumbnail file to the sd card; When pulling out the sd card, MediaProvider (media database service provider) can unload the external database file; After inserting same sd card once more, the MediaProvider external database file of can reloading.
Current, all multimedia applications are (such as the built-in Music of android (music), Gallery (picture library), SoundRecorder (sound-track engraving apparatus), when Camera (camera)) reading the media file metamessage of sd card, all be inquiry external database, because the metamessage of the media file on the sd card is all withed a hook at the end at the external database, therefore, so just kept the synchronous of sd card media file and external data-base recording.
But existing technical scheme only can realize the synchronous of sd card media file and external data-base recording, and it does not consider that mobile phone might comprise the situation of internal card (such as the iNand card).According to existing technical scheme, when mobile phone has the sd card, Music, Gallery can only read sd card media fileinfo, and can not read media file on the iNand card, therefore, when adopting the prior art scheme, can't realize the media file of embedded in mobile phone card and external data-base recording synchronously, like this when mobile phone does not insert the sd card, the multimedia application of mobile phone inside (built-in Music, Gallery, SoundRecorder, Camera or third party application) can not normally use.
Summary of the invention
The purpose of the embodiment of the invention is, a kind of date storage method of media file, a kind of portable terminal are provided.Can realize the media file of portable terminal internal card and/or external card and system database record synchronously, and can realize when portable terminal does not insert external card, the multimedia application of portable terminal inside (built-in Music, Gallery, SoundRecorder, Camera or third party application) can normally use.
In order to realize the foregoing invention purpose, the embodiment of the invention provides a kind of date storage method of media file, comprising:
Media file on the scanning portable terminal internal card, the metamessage that extracts media file on the described internal card deposits in the extending database of described portable terminal.
Preferable, this method also comprises:
When detecting described portable terminal and be inserted with external card, scan the media file on the described external card, and the metamessage that extracts media file on the described external card deposits in the described extending database in;
When the metamessage of media file deposits in the described growth data on described external card, use the logging mode that is used for the metamessage of described internal card media file is deposited in the extending database of described portable terminal that has generated.
Preferable, the metamessage of media file does not comprise the metamessage of picture/mb-type on internal card of storing in the described extending database or the external card, described method also comprises:
When the media file on scanning described portable terminal internal card or the external card, the metamessage of the picture/mb-type of the media file on described internal card or the external card is deposited in the internal card of described portable terminal.
Preferable, described method also comprises:
When the external card that detects described portable terminal is pulled out, delete all recorded informations relevant of storing in the described extending database with described external card.
Preferable, before the media file on the described scanning portable terminal internal card, described method also comprises:
Scan built-in media file in the described portable terminal internal memory, and the metamessage that extracts media file built-in in the described internal memory deposits in the internal database of described portable terminal in.
Accordingly, the embodiment of the invention also provides a kind of portable terminal, comprising:
Scanning element is used to scan the media file on internal card on the portable terminal and/or the external card;
Extraction unit is used for extracting the metamessage of described media file when described scanning element scans media file on the described portable terminal internal card;
Storage unit includes extending database, and described extending database is used to store the metamessage of the media file on the described portable terminal internal card that described extraction unit extracts;
Writing unit, the metamessage of the media file on the described portable terminal internal card that is used for described extraction unit is extracted deposits the extending database of described storage unit in.
Preferable, described scanning element also is used to scan the media file on the external card of described portable terminal;
Described extraction unit also is used for extracting the metamessage of described media file when described scanning element scans media file on the external card of described portable terminal;
The extending database of described storage unit also is used to store the metamessage of the media file on the external card of described portable terminal that described extraction unit extracts;
The said write unit also is used for depositing the metamessage of media file on the described external card in described extending database;
The said write unit deposits in the described extending database at the metamessage with the media file on the described external card, uses the logging mode that is used for the metamessage of described internal card media file is deposited in the extending database of described portable terminal that has generated.
Preferable, the metamessage of media file does not comprise the metamessage of picture/mb-type on internal card of storing in the described extending database or the external card, and the said write unit is further used for the metamessage of the picture/mb-type of the media file on described internal card or the external card is deposited in the internal card of described portable terminal.
Preferable, portable terminal of the present invention also comprises:
The deletion processing unit is used for when the external card that detects described portable terminal is pulled out, and deletes all recorded informations relevant with described external card of storing in the described extending database.
Preferable, described scanning element also is used for scanning the built-in media file of described portable terminal internal memory, described extraction unit also is used for extracting the metamessage of the built-in media file of described internal memory, described storage unit also includes internal database, and the metamessage that the said write unit also is used for the media file that the described internal memory of described extraction unit extraction is built-in deposits in the internal database of described storage unit.
Implement the embodiment of the invention, have following beneficial effect:
The embodiment of the invention scans the media file on the portable terminal internal card on the one hand, and the metamessage of described media file deposited in the extending database of portable terminal, scan the media file on the external card of portable terminal on the other hand, and the metamessage of described media file deposited in the extending database of portable terminal, like this present invention just realized the media file of embedded in mobile phone card and extending database record synchronously, and when portable terminal does not insert external card, because the internal card data are synchronous with the record maintenance of extending database, the multimedia application of portable terminal inside (built-in Music like this, Gallery, SoundRecorder, Camera or third party application) can normally use.In addition, the present invention can use same logging mode when the metamessage with the media file in internal card and the external card deposits database in, saved system resource and treatment scheme.
Description of drawings
Fig. 1 is an embodiment schematic flow sheet of the date storage method of media file of the present invention.
Fig. 2 is another embodiment schematic flow sheet of the date storage method of media file of the present invention.
Fig. 3 is that an example structure of portable terminal of the present invention is formed synoptic diagram.
Fig. 4 is that another example structure of portable terminal of the present invention is formed synoptic diagram.
Fig. 5 is the form of expression of external database object of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of date storage method of media file, below in conjunction with Fig. 1-Fig. 2 the embodiment of the date storage method of media file of the present invention is described.
Fig. 1 is an embodiment schematic flow sheet of the date storage method of media file of the present invention.In the specific implementation, this method can be finished by portable terminal, and described portable terminal can be equipment such as the mobile phone, PDA of the Android system that is mounted with, IOS system or Windows Ce system etc.As shown in Figure 1, the method for present embodiment comprises:
Step S110, the media file on the scanning portable terminal internal card, the metamessage that extracts media file on the described internal card deposits in the extending database of described portable terminal (external database).
In the specific implementation, can comprise at least one internal card on the portable terminal, described internal card can be iNand card, MegaSim card etc., and the media file on the described internal card comprises audio (audio frequency), image (image), video (video) etc.
In the specific implementation, mode that can be by visit external database object deposits the metamessage of media file on the internal card of extracting in the described external database in, and concrete, a kind of form of expression of described external database object can be as shown in Figure 5.
In the specific implementation, on extracting described internal card during the metamessage of media file, all types (is comprised character, text, types such as picture) metamessage deposits in the described extending database, concrete, these metamessages can be the albumart (album cover) of audio (audio frequency) and the thumbnail (thumbnail) of image (image)/video (video) is a kind of of metamessage, metamessage also can comprise the special edition of audio, the artist, school etc., image/video's is high wide, longitude and latitude etc., wherein, album cover, thumbnail is the metamessage that picture/mb-type exists, special edition, artist, school etc., image/video's is high wide, and longitude and latitude etc. are the metamessages of character or text.
Step S111 when detecting described portable terminal and be inserted with external card, scans the media file on the described external card, and the metamessage that extracts media file on the described external card deposits in the described extending database.
In the specific implementation, can insert at least one external card on the portable terminal, described external card can be in sd card, mmc card (MultiMedia Card), SM (Smart Media) card etc. one or more.
In the specific implementation, the metamessage of media file deposits in the described external database on the external card that can will extract by the mode of visit external database object.Further, when the metamessage with the media file on the external card deposits the external database in, can use the logging mode that is used for the metamessage of described internal card media file is deposited in the extending database of described portable terminal that has generated.Also promptly, calling the visit statement that deposits the internal card metamessage in once more visits described external the metamessage of media file on the external card is deposited in the described external database.
In the specific implementation, on extracting described external card during the metamessage of media file, all types (is comprised character, text, types such as picture) metamessage deposits in the described extending database, concrete, these metamessages can be the albumart (album cover) of audio (audio frequency) and the thumbnail (thumbnail) of image (image)/video (video) is a kind of of metamessage, metamessage also can comprise the special edition of audio, the artist, school etc., image/video's is high wide, longitude and latitude etc., wherein, album cover, thumbnail is the metamessage that picture/mb-type exists, special edition, artist, school etc., image/video's is high wide, and longitude and latitude etc. are the metamessages of character or text.
The date storage method of the media file that present embodiment provided, scan the media file on the portable terminal internal card on the one hand, and the metamessage of described media file deposited in the extending database of portable terminal, scan the media file on the external card of portable terminal on the other hand, and the metamessage of described media file deposited in the extending database of portable terminal, like this present invention just realized the media file of embedded in mobile phone card and extending database record synchronously, and when portable terminal does not insert external card, because the internal card data are synchronous with the record maintenance of extending database, the multimedia application of portable terminal inside (built-in Music like this, Gallery, SoundRecorder, Camera or third party application) can normally use.In addition, the present invention can use same logging mode when the metamessage with the media file in internal card and the external card deposits database in, saved system resource and treatment scheme.
In the specific implementation, portable terminal can not insert external card, and this moment, method of the present invention can only comprise step S110.
Fig. 2 is another embodiment schematic flow sheet of the date storage method of media file of the present invention.As shown in Figure 2, the method for present embodiment comprises:
Step S210, the media file on the scanning portable terminal internal card extracts that the metamessage that does not comprise picture/mb-type of media file deposits in the extending database (external database) of described portable terminal on the described internal card.The content of the metamessage in the extending database external database that deposits portable terminal in, the specific implementation of step S210 is identical with step S110 shown in Figure 1, does not give unnecessary details at this.
Step S211, the metamessage that extracts the picture/mb-type of the media file on the described internal card deposits in the internal card of described portable terminal.Concrete, such as the metamessage of the thumbnail picture/mb-type such as (thumbnails) of the albumart (album cover) of audio (audio frequency) and image (image)/video (video) can being deposited in the internal card at step S211.
Step S212 when detecting described portable terminal and be inserted with external card, scans the media file on the described external card, and the metamessage that does not comprise picture/mb-type that extracts media file on the described external card deposits in the described extending database.
The content of the metamessage in the extending database external database that deposits portable terminal in, the specific implementation of step S212 is identical with step S111 shown in Figure 1, does not give unnecessary details at this.
Step S213, the metamessage that extracts the picture/mb-type of the media file on the described external card deposits in the internal card of described portable terminal.Concrete, such as the metamessage of the thumbnail picture/mb-type such as (thumbnails) of the albumart (album cover) of audio (audio frequency) and image (image)/video (video) can being deposited in the internal card at step S213.
Step S214 when the external card that detects described portable terminal is pulled out, deletes all recorded informations relevant with described external card of storing in the described extending database.Step S214 has further described after external card is extracted portable terminal, the more new technological process of the data of storing in the extending database.
Present embodiment and difference embodiment illustrated in fig. 1 are, the metamessage that volume ratio is bigger deposits in the internal card of portable terminal, and the metamessage that volume ratio is less deposits in the extending database, do like this for embodiment shown in Figure 1, improved the speed of extending database data processing.
In addition, in the specific implementation, two embodiments above-mentioned in the present invention occur in mobile terminal-opening, and scanning is finished after the media file built-in in the portable terminal internal memory, concrete, media file built-in in the mobile scanning terminal internal memory comprises: scan built-in media file in the described portable terminal internal memory, and the metamessage that extracts media file built-in in the described internal memory deposits in the internal database of described portable terminal in.
Accordingly, the embodiment of the invention also provides a kind of portable terminal, and this portable terminal can be used for realizing the date storage method of the media file of Figure 1 and Figure 2.Below in conjunction with Fig. 3-Fig. 4 the embodiment of portable terminal of the present invention is described.
Fig. 3 is that an example structure of portable terminal of the present invention is formed synoptic diagram.As shown in Figure 3, the portable terminal of present embodiment comprises at least one internal card and at least one external card (not shown), and comprises scanning element 31, extraction unit 33, writing unit 35 and storage unit 37, wherein:
Described scanning element 31 is used to scan the media file on internal card on the portable terminal and/or the external card.
Described extraction unit 33 is used for extracting the metamessage of described media file when the media file on described scanning element 31 described portable terminal internal card of scanning and/or the external card.
Described storage unit 37 includes extending database, and described extending database is used to store the described portable terminal internal card that described extraction unit 33 extracts and/or the metamessage of the media file on the external card.
In the specific implementation, said write unit 35 can deposit the metamessage of all types (comprising types such as character, text, picture) in described storage unit 37 extending databases in.Perhaps, said write unit 35 can deposit the metamessage that does not comprise picture/mb-type in the extending database (external database) of described portable terminal, and the metamessage of picture/mb-type is deposited in the internal card of described portable terminal.
In the specific implementation, when said write unit 35 deposits in the metamessage of media file on the described external card in the described growth data, use the logging mode that is used for the metamessage of described internal card media file is deposited in the extending database of described portable terminal that has generated.
In addition, oversimplify for making system architecture, scanning element in the present embodiment 31, extraction unit 33 and writing unit 35 a medium scanner be can be integrated into, scanning element 31, extraction unit 33 and the writing unit 35 required functions of finishing be finished by described medium scanner.
The portable terminal that present embodiment provided, scan the media file on the portable terminal internal card on the one hand, and the metamessage of described media file deposited in the extending database of portable terminal, scan the media file on the external card of portable terminal on the other hand, and the metamessage of described media file deposited in the extending database of portable terminal, like this present invention just realized the media file of embedded in mobile phone card and extending database record synchronously, and when portable terminal does not insert external card, because the internal card data are synchronous with the record maintenance of extending database, the multimedia application of portable terminal inside (built-in Music like this, Gallery, SoundRecorder, Camera or third party application) can normally use.In addition, the present invention can use same logging mode when the metamessage with the media file in internal card and the external card deposits database in, saved system resource and treatment scheme.
Fig. 4 is that another example structure of portable terminal of the present invention is formed synoptic diagram.As shown in Figure 4, the difference of the portable terminal of present embodiment and portable terminal shown in Figure 3 is also to comprise a deletion processing unit 39, be used for when the external card that detects described portable terminal is pulled out, delete all recorded informations relevant of storing in the described extending database with described external card.In the specific implementation, described deletion processing unit 39 can be the built-in media database service provider of portable terminal.
In addition, in other embodiment of portable terminal, except that can comprising Fig. 3 and structure and function shown in Figure 4, the described scanning element of portable terminal of the present invention also is used for scanning the built-in media file of described portable terminal internal memory, described extraction unit also is used for extracting the metamessage of the built-in media file of described internal memory, described storage unit also includes internal database, and the metamessage that the said write unit also is used for the media file that the described internal memory of described extraction unit extraction is built-in deposits in the internal database of described storage unit.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosed only is a kind of preferred embodiment of the present invention, certainly can not limit the present invention's interest field with this, one of ordinary skill in the art will appreciate that all or part of flow process that realizes the foregoing description, and, still belong to the scope that invention is contained according to the equivalent variations that claim of the present invention is done.
Claims (10)
1. the date storage method of a media file is characterized in that, comprising:
Media file on the scanning portable terminal internal card, the metamessage that extracts media file on the described internal card deposits in the extending database of described portable terminal.
2. the date storage method of media file as claimed in claim 1 is characterized in that,
When detecting described portable terminal and be inserted with external card, scan the media file on the described external card, and the metamessage that extracts media file on the described external card deposits in the described extending database in;
When the metamessage of media file deposits in the described growth data on described external card, use the logging mode that is used for the metamessage of described internal card media file is deposited in the extending database of described portable terminal that has generated.
3. the date storage method of media file as claimed in claim 2 is characterized in that, the metamessage of media file does not comprise the metamessage of picture/mb-type on internal card of storing in the described extending database or the external card, and described method also comprises:
When the media file on described portable terminal internal card of scanning or the external card, the metamessage that extracts the picture/mb-type of the media file on described internal card or the external card deposits in the internal card of described portable terminal.
4. the date storage method of media file as claimed in claim 3 is characterized in that, described method also comprises:
When the external card that detects described portable terminal is pulled out, delete all recorded informations relevant of storing in the described extending database with described external card.
5. the date storage method of media file as claimed in claim 3 is characterized in that, before the media file on the described scanning portable terminal internal card, described method also comprises:
Scan built-in media file in the described portable terminal internal memory, and the metamessage that extracts media file built-in in the described internal memory deposits in the internal database of described portable terminal in.
6. a portable terminal is characterized in that, comprising:
Scanning element is used to scan the media file on internal card on the portable terminal and/or the external card;
Extraction unit is used for extracting the metamessage of described media file when described scanning element scans media file on the described portable terminal internal card;
Storage unit includes extending database, and described extending database is used to store the metamessage of the media file on the described portable terminal internal card that described extraction unit extracts;
Writing unit, the metamessage of the media file on the described portable terminal internal card that is used for described extraction unit is extracted deposits the extending database of described storage unit in.
7. portable terminal as claimed in claim 6 is characterized in that,
Described scanning element also is used to scan the media file on the external card of described portable terminal;
Described extraction unit also is used for extracting the metamessage of described media file when described scanning element scans media file on the external card of described portable terminal;
The extending database of described storage unit also is used to store the metamessage of the media file on the external card of described portable terminal that described extraction unit extracts;
The said write unit also is used for depositing the metamessage of media file on the described external card in described extending database;
The said write unit deposits in the described extending database at the metamessage with the media file on the described external card, uses the logging mode that is used for the metamessage of described internal card media file is deposited in the extending database of described portable terminal that has generated.
8. portable terminal as claimed in claim 7, it is characterized in that, the metamessage of media file does not comprise the metamessage of picture/mb-type on internal card of storing in the described extending database or the external card, and the said write unit is further used for the metamessage of the picture/mb-type of the media file on described internal card or the external card is deposited in the internal card of described portable terminal.
9. portable terminal as claimed in claim 8 is characterized in that, also comprises:
The deletion processing unit is used for when the external card that detects described portable terminal is pulled out, and deletes all recorded informations relevant with described external card of storing in the described extending database.
10. portable terminal as claimed in claim 8, it is characterized in that, described scanning element also is used for scanning the built-in media file of described portable terminal internal memory, described extraction unit also is used for extracting the metamessage of the built-in media file of described internal memory, described storage unit also includes internal database, and the metamessage that the said write unit also is used for the media file that the described internal memory of described extraction unit extraction is built-in deposits in the internal database of described storage unit.
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