CN102687149A - Media storage system and method - Google Patents
Media storage system and method Download PDFInfo
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- CN102687149A CN102687149A CN2012800002275A CN201280000227A CN102687149A CN 102687149 A CN102687149 A CN 102687149A CN 2012800002275 A CN2012800002275 A CN 2012800002275A CN 201280000227 A CN201280000227 A CN 201280000227A CN 102687149 A CN102687149 A CN 102687149A
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Abstract
Provided are a media storage system and a method. A content recording module pre-converts a first media file or media stream recorded from a media source, thereby enabling a content storage module to store media files of multiple formats and enhancing the media storage flexibility; and a first storage pool and a second storage pool are not independent of each other, so the content storage module is able to transfer media content between the two pools (i.e. to transfer media content from the first storage pool to the second storage pool, or to transfer media content from the second storage pool to the first storage pool), thereby enhancing the storage speed and read and retrieval speed of the content storage module and improving the media storage efficiency, as well as further reducing cost.
Description
Technical field
The present invention relates to memory technology, relate in particular to a kind of media storage systems and method.
Background technology
Existing media storage systems is made up of a plurality of thesauruss, and each thesaurus is used to store the media content of different life/service period.For example: in existing radio and television manufacturing system, the raw data thesaurus is used to store media file or the Media Stream that directly receives from source of media; The thesaurus of programming is used to store through outside trans-coding system and manufacturing system handles media file afterwards; Be equipped with the multicast data storehouse and be used to store the media file of preparing broadcast.
Yet; In existing media storage systems; Media content can only be with a kind of format in different thesauruss in different life cycle/service period, and separate between each thesaurus, thereby have caused the storage dirigibility of medium and the reduction of storage efficiency.
On the other hand; In existing media storage systems; Though also there is media content to be stored in the same shared thesaurus with different life/service period; But so shared thesaurus has only provided basic bottom memory interface, can't directly support above-mentioned media business, for example: after the external unit that other must be arranged is recorded into media file with net cast stream; The external unit that other perhaps must be arranged could deposit final media file in above-mentioned shared storage system after the media content that reads out being converted a kind of media file of form to need formats stored media file; Similarly; When the user need visit the media file of sharing in the thesaurus; Also can only read by the media formats of sharing the current storage of thesaurus; Can't on demand media formats or Media Stream mode conduct interviews, derive, carry out media format conversion or fluidisation through other external system devices again only if will share the media file of repository stores.Again on the one hand, shared thesaurus generally only provides file system, does not also support management such as the metadata (for example: director, performer and dialogue etc.) to video file is stored, retrieval, also must have other external unit that the metadata management of media content is provided.In above-mentioned shared thesaurus, media management and storage administration are relatively independent, and the user is not high with system complex, dirigibility and the efficient of this two parts combination.For example: current matchmaker supports management system.Support in the management system the matchmaker; Generally can be divided into three layers: the matchmaker supports business, media management and storage administration; Wherein the matchmaker supports professional and media management tight coupling; With radio, TV and film industries is example, and the user can only buy a whole set of complete matchmaker and support management system, and system can't provide the service of media management, storage administration for other media business (like the business of making, Broadcast Control business, news etc.).
Summary of the invention
The embodiment of the invention provides a kind of media storage systems and method, in order to improve the storage dirigibility and the storage efficiency of medium.
On the one hand a kind of media storage systems is provided, has been arranged in server, having comprised:
Content is included module, is used for including first media file or Media Stream from source of media, and is second media file with said first media file or media stream transition;
Content storage module is used in said first media file or Media Stream and said second media file at least one is stored in first storage pool; And, the media content in said first storage pool is moved to second storage pool according to first preset strategy that is used for the media content migration, perhaps the media content in said second storage pool is moved to said first storage pool;
Said first storage pool is used for the scheduling according to said content storage module, carries out the media content storage;
Said second storage pool is used for the scheduling according to said content storage module, carries out the media content storage.
A kind of media storage method is provided on the other hand, has comprised:
Content is included module and is included first media file or Media Stream from source of media, and is second media file with said first media file or media stream transition;
Content storage module is stored in first storage pool with in said first media file or Media Stream and said second media file at least one; And, the media content in said first storage pool is moved to second storage pool according to first preset strategy that is used for the media content migration, perhaps the media content in said second storage pool is moved to said first storage pool.
Can know by technique scheme; The embodiment of the invention is included module through content and is included first media file or Media Stream from source of media; And be second media file, and then in above-mentioned first media file or Media Stream and above-mentioned second media file at least one is stored in first storage pool by content storage module with above-mentioned first media file or media stream transition; And according to first preset strategy; Media content in above-mentioned first storage pool is moved to second storage pool, perhaps the media content in above-mentioned second storage pool is moved to above-mentioned first storage pool, because content is included module first media file or the Media Stream of including from source of media are changed pre-service; Can make content storage module store the more media file of multi-format, thereby improve the storage dirigibility of medium; Because first storage pool and second storage pool are not separate; Content storage module can be carried out the migration of media content between the two (media content that is about in first storage pool is moved to second storage pool; Perhaps the media content in second storage pool is moved to first storage pool); Can effectively improve the storage speed and the reading speed of content storage module, thereby improve the storage efficiency of medium, can also further fall cost simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the media storage systems that Fig. 1 provides for one embodiment of the invention;
The structural representation of the media storage systems that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the media storage systems that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the media storage systems that Fig. 4 provides for another embodiment of the present invention;
The schematic flow sheet of the media storage method that Fig. 5 provides for another embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The structural representation of the media storage systems that Fig. 1 provides for one embodiment of the invention; Be arranged in server; As shown in Figure 1, the media storage systems of present embodiment can comprise that content includes module 11, content storage module 12, first storage pool 13 and second storage pool 14.Wherein, Content is included module 11 and is used for including first media file or Media Stream (is that content is included the api interface that module provides content to include to external unit from source of media; And to receive external unit through this api interface be first media file or the Media Stream that source of media provides), and be second media file with above-mentioned first media file or media stream transition.For example: for example the news collection personnel can be connected to content through computer (PC) and include module 11, upload the Newscast video file of newly gathering and editing through FTP (File Transfer Protocol is called for short FTP).Content storage module 12 be used for content includes that above-mentioned first media file that module 11 includes or Media Stream and content include in above-mentioned second media file of module 11 conversions at least one be stored in first storage pool; And, the media content in above-mentioned first storage pool is moved to second storage pool according to first preset strategy that is used for the media content migration, perhaps the media content in above-mentioned second storage pool is moved to above-mentioned first storage pool.First storage pool 13 is used for the scheduling according to said content storage module, carries out the media content storage.Second storage pool 14 is used for the scheduling according to said content storage module, carries out the media content storage.
Wherein, above-mentioned source of media can include but not limited to the media content of at least a form in audio format, video format, picture format and the text formatting; Above-mentioned first media file or Media Stream can include but not limited to the media file or the Media Stream of at least a form in audio format, video format, picture format and the text formatting; Above-mentioned second media file can include but not limited to the media file of at least a form in audio format, video format, picture format and the text formatting.
Wherein, The media formats of above-mentioned source of media can be static media file (for example: (the Moving Picture Experts Group 2 of Motion Picture Experts Group 2; Abbreviation MPEG-2) video file of form); Perhaps can be dynamic Media Stream (for example: the live video stream of MPTS (Transport Stream, be called for short TS) form).
In an optional embodiment of present embodiment; First preset strategy that content storage module 12 is carried out migration (media content that is about in first storage pool is moved to second storage pool, perhaps the media content in second storage pool is moved to first storage pool) institute's basis of media content can include but not limited at least one in content life cycle, access to content temperature and artificial the setting.
In an optional embodiment of present embodiment; Content is included mode that module 11 includes first media file from source of media can include but not limited to that telecommunication network transmits that (for example: FTP uploads; Perhaps HTTP (HyperText Transfer Protocol; Be called for short HTTP) upload, network distribution type creation and version management (Web-based Distributed Authoring and Versioning; Be called for short WebDAV) upload) with physical medium copy (for example: digital versatile disc (Digital Versatile Disc, abbreviation DVD) CD reads) at least a mode.
In an optional embodiment of present embodiment; Content includes that the mode that module 11 includes Media Stream from source of media can include but not limited to IGMP (Internet Group Management Protocol is called for short IGMP) multicast, HTTP pushes and at least a mode of WebDAV in pushing.
In an optional embodiment of present embodiment, content is included after module 11 specifically can partly receive above-mentioned first media file or Media Stream, is converted into second media file; After perhaps also can receiving all above-mentioned first media file or Media Stream fully, be converted into second media file.Particularly; Content is included module 11 specifically can utilize audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method, media format conversion method, digital copyright management (Digital Rights Management; Be called for short DRM) method, digital watermark method and; In message digest algorithm 5 (Message Digest Algorithm 5 the is called for short MD5) encryption method at least one is above-mentioned second media file with above-mentioned first media file or media stream transition.
It is understandable that: it can be a file that content is included above-mentioned second media file that module 11 converts the media content that reads out to, perhaps can also be a plurality of files, perhaps also can be one group of file that packing is integrated.
In an optional embodiment of present embodiment, content storage module 12 specifically can all be stored in first storage pool with above-mentioned first media file or Media Stream and above-mentioned second media file, perhaps can also be only with wherein a kind of first storage pool that is stored in.For single medium content (i.e. first media file or Media Stream or above-mentioned second media file); Content storage module 12 can be included when module 11 changes in content; With above-mentioned first media file or Media Stream; Be stored in first storage pool with in above-mentioned second media file at least one; Perhaps can also include after module 11 converts, in above-mentioned first media file or Media Stream and above-mentioned second media file at least one is stored in first storage pool in content.
In an optional embodiment of present embodiment, first storage pool can be an online storage pool, and second storage pool can be nearline storage pond and offline storage pond; Perhaps first storage pool can also be a nearline storage pond, and second storage pool can be online storage pool and offline storage pond; Perhaps first storage pool also can be an offline storage pond, and second storage pool can be online storage pool and nearline storage pond etc.Wherein, Online storage pool is used for memory contents, and to include the media content original and/or that changed that module 11 includes (be above-mentioned first media file or Media Stream; With in above-mentioned second media file at least one); Need the high memory device of performance, for example: solid state hard disc (Solid State Disk is called for short SSD) or disk array etc.The nearline storage pond is used for the less media content of memory access frequency; Need the general memory device of performance; For example: Serial Advanced Technology Attachment (Serial Advanced Technology Attachment, abbreviate SAT A) hard disk or slow-speed of revolution disk etc., can further reduce system cost.The offline storage pond is used to deposit the few media content of access frequency (promptly filing media content), and its physical store resource can be in the state of dormancy or power down, for example: but but dormancy disk or power down disk etc. can further be saved system cost.
For example: it is the MPEG2 file with the live media stream transition of 2008 Olympic Games 100-meter dash finals that content is included module, so by content storage module 12 with 2008 Olympic Games 100-meter dash finals live content and MPEG2 file storage at online storage pool; After 2008 Olympic Games 100-meter dash finals 1 month; Do not carry out any program making (yet can see visit as) of hundred meters finals; Relevant MPEG2 file is seldom visited, and 12 of content storage module can arrive the nearline storage pond with 2008 Olympic Games 100-meter dash finals live content and MPEG2 file migration; After 2008 Olympic Games 100-meter dash finals 6 months; Do not carry out any program making (yet can see visit as) of hundred meters finals; To the almost not visit of relevant MPEG2 file, 12 of content storage module can arrive the offline storage pond with 2008 Olympic Games 100-meter dash finals live content and MPEG2 file migration; Need to make hundred meters finals feature programs of an Olympic Games, the video file montage that 12 of content storage module can be relevant with hundred meters finals of a plurality of Olympic Games also adds captions, explains orally to dub and form a feature program and be stored in online storage pool.
In the present embodiment; Include module through content and include first media file or Media Stream from source of media; And be second media file, and then in above-mentioned first media file or Media Stream and above-mentioned second media file at least one is stored in first storage pool by content storage module with above-mentioned first media file or media stream transition; And according to first preset strategy; Media content in above-mentioned first storage pool is moved to second storage pool, perhaps the media content in above-mentioned second storage pool is moved to above-mentioned first storage pool, because content is included module first media file or the Media Stream of including from source of media are changed pre-service; Can make content storage module store the more media file of multi-format, thereby improve the storage dirigibility of medium; Because first storage pool and second storage pool are not separate; Content storage module can be carried out the migration of media content between the two (media content that is about in first storage pool is moved to second storage pool; Perhaps the media content in second storage pool is moved to first storage pool); Can effectively improve the storage speed and the reading speed of content storage module, thereby improve the storage efficiency of medium, can also reduce the cost simultaneously.
The structural representation of the media storage systems that Fig. 2 provides for another embodiment of the present invention, the embodiment corresponding with Fig. 1 compares, and be as shown in Figure 2, and the media storage systems of present embodiment can further include content retrieval module 21, is used for
Receive above-mentioned source of media or content and include above-mentioned first media file of module 11 transmissions or the metadata of Media Stream; And/or extract metadata in the media content (i.e. at least one in first media file or Media Stream and above-mentioned second media file) in from above-mentioned first storage pool and above-mentioned second storage pool at least one; And
The retrieval request that receives the external unit transmission (is the content retrieval module provides an api interface from content retrieval to external unit; And receive the retrieval request that external unit sends) through this api interface; Comprise characteristic parameter in the above-mentioned retrieval request; And, in above-mentioned metadata, retrieve, and result for retrieval is offered said external equipment according to above-mentioned characteristic parameter.
For example: content retrieval module 21 can receive a film dialogue " I will be back " of external unit input, retrieves the associated metadata of corresponding film " terminator ".
In an optional embodiment of present embodiment; Content retrieval module 21 specifically can be utilized at least one in attribute description information extracting method, video caption text method for distilling, audio speech identification extraction method, characteristics of image sign indicating number identification extraction method and the audio feature code identification extraction method, extracts above-mentioned metadata.For example: above-mentioned metadata can include but not limited at least one in index number, time range, classified information, textual description, image feature information, audio frequency characteristics information and the video features information.
In an optional embodiment of present embodiment, content retrieval module 21 can include but not limited at least one in index number, hyperlink, textual description and the image to the result for retrieval that above-mentioned external unit provides.
For example: satellite signal receiver is pushed to content with the live Media Stream of 2008 Olympic Games 100-meter dash finals and includes module, the title " 2008 Olympic Games 100-meter dash finals " of artificial simultaneously this live Media Stream of filling and description.Content is included module the live Media Stream of 2008 Olympic Games 100-meter dash finals is cut apart according to program, and is encapsulated as the MPEG2 file, so by content storage module 12 with the MPEG2 file storage at first storage pool.The content retrieval module can be visited the MPEG2 file in first storage pool, extracts the captioned test in this MPEG2 file, preserves as the characteristic of content retrieval.The content retrieval module receives the retrieval request that external unit sends, and comprises characteristic parameter " 2008 Olympic Games 100-meter dash finals " in this retrieval request.The content retrieval module then can be according to above-mentioned characteristic parameter; In above-mentioned metadata, retrieve; And result for retrieval offered said external equipment, for example: return one 2008 Olympic Games 100-meter dash finals video tabulation, comment is described and visit connects tabulation.
In the present embodiment; Automatically extract metadata through the content retrieval module, and/or obtain the metadata that source of media provides, and the api interface of content retrieval is provided to external unit from the outside; Make the content retrieval module retrieval service to be provided, thereby improved the memory by using rate to external unit.
The structural representation of the media storage systems that Fig. 3 provides for another embodiment of the present invention, the embodiment corresponding with Fig. 1 or Fig. 2 compares, and be as shown in Figure 3, and the media storage systems of present embodiment can further include access to content module 31, is used for
First access request that receives the transmission of said external equipment (is the api interface that the access to content module provides content to read to external unit; And receive first access request that external unit sends) through this api interface; Comprise media identification and reading of content information that request is read in above-mentioned first access request; And the media content of confirming correspondence according to above-mentioned media identification is in said first storage pool or said second storage pool; And from above-mentioned first storage pool confirmed or above-mentioned second storage pool, read corresponding media content; When the media content of media content that reads out and said reading of content information requirements is inconsistent; Then convert the media content that reads out into three media file consistent with the media content of said reading of content information requirements; And the 3rd media file that the media content that reads out converts to offered said external equipment, perhaps when the media content that reads out is consistent with the media content of said reading of content information requirements, then the media content that reads out is offered said external equipment; And/or
Second access request that receives the transmission of said external equipment (is the access to content module provides an api interface from content stores to external unit; And receive second access request that external unit sends) through this api interface; The media file and the content information stored that comprise the request storage in above-mentioned second access request; And when the media content of media file that comprises in said second access request and the requirement of said content information stored is inconsistent; Then convert the media file that comprises in above-mentioned second access request into require the consistent fourth media file of media content with said content information stored; And with above-mentioned fourth media file storage in above-mentioned first storage pool or above-mentioned second storage pool; When the media content that perhaps requires when the media file that comprises in said second access request and said content information stored is consistent, then with the media file storage that comprises in above-mentioned second access request in above-mentioned first storage pool or above-mentioned second storage pool.
For example: external unit can pass through content access application DLL (Application Programming Interface; Be called for short API) send first access request to the content access modules; For example: " terminator " 800kbps please be provided the video file of code check; Then the access to content module can directly obtain the low bit-rate video file from first storage pool or second storage pool, perhaps when the low bit-rate video file does not exist, generates low code check file from original high code check file and offers external device access then.
In an optional embodiment of present embodiment,
When said access to content module converts the media content that reads out to said the 3rd media file; Access to content module 31 specifically can be according to above-mentioned reading of content information; Utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method and the media format conversion method, convert the media content that reads out into corresponding the 3rd media file.
When the media file that comprises in said second access request when said access to content module converts said fourth media file to; Access to content module 31 specifically can be according to above-mentioned content information stored; Utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method and the media format conversion method, convert the media file that comprises in above-mentioned second access request into corresponding fourth media file.
For example: satellite signal receiver is pushed to content with the live Media Stream of 2008 Olympic Games 100-meter dash finals and includes module, the title " 2008 Olympic Games 100-meter dash finals " of artificial simultaneously this live Media Stream of filling and description.Content is included module the live Media Stream of 2008 Olympic Games 100-meter dash finals is cut apart according to program, and is encapsulated as the MPEG2 file, so by content storage module with the MPEG2 file storage at first storage pool.The access to content module receives first access request that external unit sends; The access to content module reads the video file of the different lens shootings of 2008 Olympic Games 100-meter dash finals from first storage pool; External unit need not be concerned about that this video file specifically is stored on which geographic position or what file system, only need can obtain corresponding video file according to interface requests automatically.External unit can also further carry out the Production Editor to the video file that reads out; For example: with the synthetic thematic video of the video file montage of the different lens shootings of 2008 Olympic Games 100-meter dash finals; And add captions and dub; After completing, send second access request to the content access modules.The thematic video storage that the access to content module completes external unit is at first storage pool.Further, the metadata that the renewal that the access to content module can also further obtain external unit perhaps increases newly imports to the content retrieval module, preserves with the characteristic as content retrieval; Perhaps the content retrieval module can also be further thematic video from first storage pool extract metadata, preserve with characteristic as content retrieval.
In the present embodiment, to external unit the api interface that content reads or the api interface of content stores are provided, make the access to content module visit (read or store) service to be provided, thereby improved the memory by using rate to external unit through the access to content module.
The structural representation of the media storage systems that Fig. 4 provides for another embodiment of the present invention, the embodiment corresponding with Fig. 1, Fig. 2 or Fig. 3 compares, and be as shown in Figure 4, and the media storage systems of present embodiment can further include content and goes out library module 41, is used for
The derivation request that receives the transmission of said external equipment (is that content goes out the api interface that the outside portion of library module equipment provides the content outbound; And receive the derivation request that external unit sends) through this api interface; Comprise media identification and export content information that request is derived in the above-mentioned derivation request; And the media content of confirming correspondence according to above-mentioned media identification is in said first storage pool or said second storage pool; And from above-mentioned first storage pool confirmed or above-mentioned second storage pool, read corresponding media content; When the media content of media content that reads out and said export content information requirements is inconsistent; Then convert the media content that reads out into five media file consistent with the media content of said export content information requirements; And the 5th media file that the media content that reads out converts to offered said external equipment, perhaps when the media content that reads out is consistent with the media content of said export content information requirements, then the media content that reads out is offered said external equipment; Perhaps
According to being used for second preset strategy and the export content information that media content is derived; From said first storage pool or said second storage pool, read the media content that this second preset strategy requires derivation; And when the media content of media content that reads out and said export content information requirements is inconsistent; Then convert the media content that reads out into six media file consistent with the media content of said export content information requirements; And the 6th media file that the media content that just reads out converts to offers said external equipment; Perhaps when the media content that reads out is consistent with the media content of said export content information requirements, then the media content that reads out is offered said external equipment.
For example: from the CCTV-1 direct broadcast band of Satellite Receiving Station reception; Include be stored in first storage pool after; Can be converted into Streaming Media (FLash Video, be called for short FLV) the live Media Stream outbound of form in real time, offer video website and be pushed to the network user and watch.
In an optional embodiment of present embodiment,
When said content derives module and converts the media content that reads out to said the 5th media file; Content goes out library module 41 specifically can be according to above-mentioned export content information; Utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method, media format conversion method, DRM method, digital watermark method and the md5 encryption method, convert the media content that reads out into corresponding the 5th media file.
When said content derives module and converts the media content that reads out to said the 6th media file; Content goes out library module 41 specifically can be according to being used for second preset strategy that media content is derived; Utilize at least one in audio frequency and video code check conversion method, media format conversion method, DRM method, digital watermark method and the md5 encryption method, convert the media content that reads out into corresponding the 6th media file.
Wherein, above-mentioned second preset strategy can include but not limited to store that the back is derived in real time, derive after the time-delay fixed time of storage back and storage after at the appointed time deriving at least one.
For example: satellite signal receiver is pushed to content with the live Media Stream of 2008 Olympic Games 100-meter dash finals and includes module, the title " 2008 Olympic Games 100-meter dash finals " of artificial simultaneously this live Media Stream of filling and description.Content is included module the live Media Stream of 2008 Olympic Games 100-meter dash finals is cut apart according to program, and is encapsulated as the MPEG2 file, so by content storage module with the MPEG2 file storage at first storage pool.Content goes out library module and receives the derivation request that external unit sends; Content goes out library module reads Olympic Games 100-meter dash finals from first storage pool thematic video; External unit need not be concerned about should specifically to be stored on which geographic position or what file system by the special topic video, only need can obtain corresponding video file automatically according to interface requests.External unit can use should the special topic video, and for example: 8 Olympic Games through train Pgmtimes broadcast the thematic video of the Olympic Games 100-meter dash finals of making in satellite channel at night.
Need to prove: in the present embodiment, content retrieval module, access to content module and content go out any two or all not free sequence requirement of three modules execution function separately in the library module.
It is understandable that: external unit need not to be concerned about the inside division of labor, cooperation relation and the physical distribution of media storage systems; Only need promptly serve (Platform as a Services according to the platform that media storage systems provides; Abbreviation PAAS) interface conducts interviews media store that can obtain to be correlated with and processing power.
In the present embodiment, go out the api interface that the outside portion of library module equipment provides content to derive, make content go out library module and can the service of derivation be provided, thereby improved the memory by using rate to external unit through content.
Need to prove: above-mentioned first storage pool and above-mentioned second storage pool can be positioned at identical or different LAN.In addition, if be positioned at different local area, the position of above-mentioned first storage pool and above-mentioned second storage pool can be identical also can be inequality.
Need to prove: above-mentioned first storage pool can be physical storage device, perhaps can also be virtual memory facilities, for example: the cloud storage server; Above-mentioned second storage pool can be physical storage device, perhaps can also be virtual memory facilities, for example: the cloud storage server.The storage capacity of above-mentioned in addition first storage pool and above-mentioned second storage pool can also be supported artificial setting means and/or automatic dividing mode.
In media storage systems provided by the invention, can store the media content that is positioned at different life, support storage administration and media management simultaneously, can effectively improve storage efficiency; In addition; Content through external unit is provided is included, retrieves, is visited and the api interface of service such as derivation; Make it possible to support the matchmaker to support multiple media business such as management service, media production business, video monitoring service and long-distance education business, can effectively improve the utilization factor of storage.
For the system that makes the embodiment of the invention provide is clearer, below will be with the media storage systems that is used for video monitoring service as for example.The real-time media stream of video monitoring is included module through injection contents such as HTTP propelling movement or WebDAV, and records into media file according to predetermined policy, for example: write as a media file by the time.Content storage module with the media file storage of recording at online storage pool, then can also be further according to preset strategy, for example: the access to content temperature, with media file from online storage pool migration to nearline storage pond or offline storage pond.The content retrieval module can be extracted metadata from the media file online storage pool, nearline storage pond and the offline storage pond, for example: time, acoustic information etc.Through the api interface that the content retrieval module provides to external equipment, external unit is initiated the application request of content retrieval, and for example: by the content creating time is on February 7th, 2012, retrieves, and obtains the plurality of media file; Perhaps, people's face picture of input is retrieved; Perhaps, import a number-plate number and retrieve, etc.Through the api interface that the access to content module provides to external unit, to the media file that retrieves, external unit can be initiated the request of video access.The access to content module is received access request; Media file in online storage pool or nearline storage pond is initiated first access request; As content is carried out fluidisation, finally make the user (for example: client player) play the video content of visiting can pass through external unit.At this moment, if media file is arranged in offline storage, then the access to content module can with its migrate to online or nearline storage in.
The schematic flow sheet of the media storage method that Fig. 5 provides for another embodiment of the present invention, as shown in Figure 5, the media storage method of present embodiment can comprise:
501, content is included module and is included first media file or Media Stream from source of media, and is second media file with above-mentioned first media file or media stream transition;
502, content storage module is stored in first storage pool with in above-mentioned first media file or Media Stream and above-mentioned second media file at least one; And, the media content in above-mentioned first storage pool is moved to second storage pool according to first preset strategy that is used for the media content migration, perhaps the media content in above-mentioned second storage pool is moved to above-mentioned first storage pool.
Detailed description can repeat no more referring to the related content among the embodiment of Fig. 1～Fig. 4 correspondence here.
In an optional embodiment of present embodiment; First preset strategy that content storage module is carried out migration (media content that is about in first storage pool is moved to second storage pool, perhaps the media content in second storage pool is moved to first storage pool) institute's basis of media content can include but not limited at least one in content life cycle, access to content temperature and artificial the setting.
In the present embodiment; Include module through content and include first media file or Media Stream from source of media; And be second media file, and then in above-mentioned first media file or Media Stream and above-mentioned second media file at least one is stored in first storage pool by content storage module with above-mentioned first media file or media stream transition; And according to first preset strategy; Media content in above-mentioned first storage pool is moved to second storage pool, perhaps the media content in above-mentioned second storage pool is moved to above-mentioned first storage pool, because content is included module first media file or the Media Stream of including from source of media are changed pre-service; Can make content storage module store the more media file of multi-format, thereby improve the storage dirigibility of medium; Because first storage pool and second storage pool are not separate; Content storage module can be carried out the migration of media content between the two (media content that is about in first storage pool is moved to second storage pool; Perhaps the media content in second storage pool is moved to first storage pool); Can effectively improve the storage speed and the reading speed of content storage module, thereby improve the storage efficiency of medium, can also reduce cost simultaneously.
In an optional embodiment of present embodiment, can further include:
The content retrieval module is included the metadata that module obtains above-mentioned first media file or Media Stream from above-mentioned source of media or foregoing, and/or from above-mentioned first storage pool and above-mentioned second storage pool, extracts metadata in the media content at least one; And
The foregoing retrieval module receives the retrieval request that external unit sends, and comprises characteristic parameter in the above-mentioned retrieval request, and according to above-mentioned characteristic parameter, in above-mentioned metadata, retrieves, and result for retrieval is offered said external equipment.
Detailed description can repeat no more referring to the related content among the embodiment of Fig. 1～Fig. 4 correspondence here.
In this optional embodiment; Automatically extract metadata through the content retrieval module; And/or the metadata that the acquisition source of media provides from the outside; And the api interface of content retrieval is provided to external unit, make the content retrieval module retrieval service to be provided, thereby improved the memory by using rate to external unit.
In an optional embodiment of present embodiment, can further include:
The access to content module receives first access request that said external equipment sends; Comprise media identification and reading of content information that request is read in above-mentioned first access request; And the media content of confirming correspondence according to above-mentioned media identification is in above-mentioned first storage pool or above-mentioned second storage pool; And from above-mentioned first storage pool confirmed or above-mentioned second storage pool, read corresponding media content; When the media content that reads out does not satisfy above-mentioned reading of content information, then convert the media content that reads out into satisfy above-mentioned reading of content information the 3rd media file, and the 3rd media file that the media content that reads out converts to is offered said external equipment; Perhaps when the media content that reads out satisfies above-mentioned reading of content information, then the media content that reads out is offered said external equipment; And/or
The foregoing access modules receives second access request that said external equipment sends; The media file and the content information stored that comprise the request storage in above-mentioned second access request; And when the media file that comprises in above-mentioned second access request does not satisfy above-mentioned content information stored; Then convert the media file that comprises in above-mentioned second access request into satisfy above-mentioned content information stored fourth media file; And with above-mentioned fourth media file storage in above-mentioned first storage pool or above-mentioned second storage pool; Perhaps when the media file that comprises in above-mentioned second access request satisfies above-mentioned content information stored, then with the media file storage that comprises in above-mentioned second access request in above-mentioned first storage pool or above-mentioned second storage pool.
Detailed description can repeat no more referring to the related content among the embodiment of Fig. 1～Fig. 4 correspondence here.
In this optional embodiment; To external unit the api interface that content reads or the api interface of content stores are provided through the access to content module; Make the access to content module visit (read or store) service to be provided, thereby improved the memory by using rate to external unit.
In an optional embodiment of present embodiment, can further include:
Content goes out library module and receives the derivation request that said external equipment sends; Comprise media identification and export content information that request is derived in the above-mentioned derivation request; And the media content of confirming correspondence according to above-mentioned media identification is in above-mentioned first storage pool or above-mentioned second storage pool; And from above-mentioned first storage pool confirmed or above-mentioned second storage pool, read corresponding media content; When the media content that reads out does not satisfy above-mentioned export content information, then convert the media content that reads out into satisfy above-mentioned export content information the 5th media file, and the 5th media file that the media content that reads out converts to is offered said external equipment; Perhaps when the media content that reads out satisfies above-mentioned export content information, then the media content that reads out is offered said external equipment; Perhaps
Foregoing goes out library module according to being used for second preset strategy and the export content information that media content is derived; From said first storage pool or said second storage pool, read the media content that this second preset strategy requires derivation; And when the media content that reads out does not satisfy above-mentioned export content information; Then convert the media content that reads out into satisfy above-mentioned export content information the 6th media file; And the 6th media file that the media content that just reads out converts to offers said external equipment, perhaps when the media content that reads out satisfies above-mentioned export content information, then the media content that reads out offered said external equipment.
Wherein, above-mentioned second preset strategy can include but not limited to store that the back is derived in real time, derive after the time-delay fixed time of storage back and storage after at the appointed time deriving at least one.
Detailed description can repeat no more referring to the related content among the embodiment of Fig. 1～Fig. 4 correspondence here.
In this optional embodiment, go out the api interface that the outside portion of library module equipment provides content to derive, make content go out library module and can the service of derivation be provided, thereby improved the memory by using rate to external unit through content.
Need to prove: term among this paper " and/or ", only be a kind of incidence relation of describing affiliated partner, can there be three kinds of relations in expression, for example, and A and/or B, can represent: individualism A exists A and B, these three kinds of situation of individualism B simultaneously.In addition, character "/" among this paper, generally represent forward-backward correlation to as if a kind of " or " relation.
Need to prove: for aforesaid each method embodiment; For simple description; So it all is expressed as a series of combination of actions, but those skilled in the art should know that the present invention does not receive the restriction of described sequence of movement; Because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the instructions all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that details among certain embodiment, can be referring to the associated description of other embodiment.
The those skilled in the art can be well understood to, for the convenience described with succinct, the system of foregoing description, the concrete course of work of device and unit can repeat no more at this with reference to the corresponding process among the preceding method embodiment.
In several embodiment that the application provided, should be understood that, the system that is disclosed, apparatus and method can realize through other mode.For example, device embodiment described above only is schematically, for example; The division of said unit; Only be that a kind of logic function is divided, during actual the realization other dividing mode can be arranged, for example a plurality of unit or assembly can combine or can be integrated into another system; Or some characteristics can ignore, or do not carry out.Another point, the coupling each other that shows or discuss or directly coupling or communication to connect can be through some interfaces, the indirect coupling of device or unit or communication connect, and can be electrically, machinery or other form.
Said unit as separating component explanation can or can not be physically to separate also, and the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of unit wherein of reality.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing unit, also can be that the independent physics in each unit exists, and also can be integrated in the unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, the form that also can adopt hardware to add SFU software functional unit realizes.
The above-mentioned integrated unit of realizing with the form of SFU software functional unit can be stored in the computer read/write memory medium.Above-mentioned SFU software functional unit is stored in the storage medium, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the part steps of the said method of each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read-Only Memory; Abbreviation ROM), various media that can be program code stored such as RAS (Random Access Memory is called for short RAM), magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (16)
1. a media storage systems is arranged in server, it is characterized in that, comprising:
Content is included module, is used for including first media file or Media Stream from source of media, and is second media file with said first media file or media stream transition;
Content storage module is used in said first media file or Media Stream and said second media file at least one is stored in first storage pool; And, the media content in said first storage pool is moved to second storage pool according to first preset strategy that is used for the media content migration, perhaps the media content in said second storage pool is moved to said first storage pool;
Said first storage pool is used for the scheduling according to said content storage module, carries out the media content storage;
Said second storage pool is used for the scheduling according to said content storage module, carries out the media content storage.
2. system according to claim 1 is characterized in that said system also comprises the content retrieval module, and said content retrieval module is used for
Include the metadata that module obtains said first media file or Media Stream from said source of media or said content, and/or extract metadata in the media content of at least one storage from said first storage pool and said second storage pool; And
Receive the retrieval request that external unit sends, comprise characteristic parameter in the said retrieval request, and, in said metadata, retrieve, and result for retrieval is offered said external unit according to said characteristic parameter.
3. system according to claim 1 and 2 is characterized in that said system also comprises the access to content module, and said access to content module is used for
Receive first access request that said external unit sends; Comprise media identification and reading of content information that request is read in said first access request; Confirm the storage pool at the media content place that this media identification is corresponding according to said media identification; And from the storage pool of confirming, read corresponding media content; When the media content of media content that reads out and said reading of content information requirements is inconsistent, then convert the media content that reads out into three media file consistent, and the 3rd media file that the media content that just reads out converts to offers said external unit with the media content of said reading of content information requirements; Perhaps when the media content that reads out is consistent with the media content of said reading of content information requirements, then the media content that reads out is offered said external unit; And/or
Receive second access request that said external unit sends; The media file and the content information stored that comprise the request storage in said second access request; And when the media content of media file that comprises in said second access request and the requirement of said content information stored is inconsistent; Then convert the media file that comprises in said second access request into require the consistent fourth media file of media content with said content information stored; And with said fourth media file storage in said first storage pool or said second storage pool; When the media content that perhaps requires when the media file that comprises in said second access request and said content information stored is consistent, then with the media file storage that comprises in said second access request in said first storage pool or said second storage pool.
4. system according to claim 3 is characterized in that,
When said access to content module converts the media content that reads out to said the 3rd media file; Said access to content module specifically is used for according to said reading of content information; Utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method and the media format conversion method, convert the media content that reads out into said the 3rd media file;
When the media file that comprises in said second access request when said access to content module converts said fourth media file to; Said access to content module specifically is used for according to said content information stored; Utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method and the media format conversion method, convert the media file that comprises in said second access request into said fourth media file.
5. according to the described system of the arbitrary claim of claim 1～4, it is characterized in that said system comprises that also content goes out library module, said content goes out library module and is used for
Receive the derivation request that said external unit sends; Comprise media identification and export content information that request is derived in the said derivation request; And confirm in the storage pool at the media content place that this media identification is corresponding according to said media identification; And from the storage pool of confirming, read corresponding media content; When the media content of media content that reads out and said export content information requirements is inconsistent, then convert the media content that reads out into five media file consistent, and the 5th media file that the media content that just reads out converts to offers said external unit with the media content of said export content information requirements; Perhaps when the media content that reads out is consistent with the media content of said export content information requirements, then the media content that reads out is offered said external unit; Perhaps
According to being used for second preset strategy and the export content information that media content is derived; From said first storage pool or said second storage pool, read the media content that this second preset strategy requires derivation; And when the media content of media content that reads out and said export content information requirements is inconsistent; Then convert the media content that reads out into six media file consistent with the media content of said export content information requirements; And the 6th media file that the media content that just reads out converts to offers said external unit; Perhaps when the media content that reads out is consistent with the media content of said export content information requirements, then the media content that reads out is offered said external unit.
6. system according to claim 5 is characterized in that,
When said content derives module and converts the media content that reads out to said the 5th media file; Said content goes out library module and specifically is used for according to said export content information; Utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method, media format conversion method, DRM method, digital watermark method and the md5 encryption method, convert the media content that reads out into said the 5th media file;
When said content derives module and converts the media content that reads out to said the 6th media file; Said content goes out library module and specifically is used for according to said second preset strategy; Utilize at least one in audio frequency and video code check conversion method, media format conversion method, DRM method, digital watermark method and the md5 encryption method, convert the media content that reads out into said the 6th media file.
7. according to claim 5 or 6 described systems, it is characterized in that, said second preset strategy comprises that storage back is derived in real time, derive after the time-delay fixed time of storage back and storage after at the appointed time deriving at least one.
8. according to the described system of the arbitrary claim of claim 1～7, it is characterized in that said content is included module and specifically is used for
Utilizing at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method, media format conversion method, DRM method, digital watermark method and the md5 encryption method, is said second media file with said first media file or media stream transition.
9. according to the described system of the arbitrary claim of claim 1～8, it is characterized in that said first preset strategy comprises at least one in content life cycle, access to content temperature and artificial the setting.
10. according to the described system of the arbitrary claim of claim 1～9, it is characterized in that said first storage pool and said second storage pool are positioned at identical or different LAN.
11. a media storage method is characterized in that, comprising:
Content is included module and is included first media file or Media Stream from source of media, and is second media file with said first media file or media stream transition;
Content storage module is stored in first storage pool with in said first media file or Media Stream and said second media file at least one; And, the media content in said first storage pool is moved to second storage pool according to first preset strategy that is used for the media content migration, perhaps the media content in said second storage pool is moved to said first storage pool.
12. method according to claim 11 is characterized in that, also comprises:
The content retrieval module is included the metadata that module obtains said first media file or Media Stream from said source of media or said content, and/or extracts metadata in the media content in from said first storage pool and said second storage pool at least one; And
Said content retrieval module receives the retrieval request that external unit sends, and comprises characteristic parameter in the said retrieval request, and according to said characteristic parameter, in said metadata, retrieves, and result for retrieval is offered said external unit.
13. according to claim 11 or 12 described methods, it is characterized in that, also comprise:
The access to content module receives first access request that said external unit sends; Comprise media identification and reading of content information that request is read in said first access request; And confirm in the storage pool at the media content place that this media identification is corresponding according to said media identification; And from the storage pool of confirming, read corresponding media content; When the media content of media content that reads out and said reading of content information requirements is inconsistent; Then convert the media content that reads out into three media file consistent with the media content of said reading of content information requirements; And the 3rd media file that the media content that just reads out converts to offers said external unit, perhaps when the media content that reads out is consistent with the media content of said reading of content information requirements, then the media content that reads out offered said external unit; And/or
Said access to content module receives second access request that said external unit sends; The media file and the content information stored that comprise the request storage in said second access request; And when the media content of media file that comprises in said second access request and the requirement of said content information stored is inconsistent; Then convert the media file that comprises in said second access request into require the consistent fourth media file of media content with said content information stored; And with said fourth media file storage in said first storage pool or said second storage pool; When the media content that perhaps requires when the media file that comprises in said second access request and said content information stored is consistent, then with the media file storage that comprises in said second access request in said first storage pool or said second storage pool.
14. according to the described method of the arbitrary claim of claim 11～13, it is characterized in that, also comprise:
Content goes out library module and receives the derivation request that said external unit sends; Comprise media identification and export content information that request is derived in the said derivation request; And confirm in the storage pool at the media content place that this media identification is corresponding according to said media identification; And from the storage pool of confirming, read corresponding media content; When the media content of media content that reads out and said export content information requirements is inconsistent, then convert the media content that reads out into five media file consistent, and the 5th media file that the media content that just reads out converts to offers said external unit with the media content of said export content information requirements; Perhaps when the media content that reads out is consistent with the media content of said export content information requirements, then the media content that reads out is offered said external unit; Perhaps
Said content goes out library module according to being used for second preset strategy and the export content information that media content is derived; From said first storage pool or said second storage pool, read the media content that this second preset strategy requires derivation; And when the media content of media content that reads out and said export content information requirements is inconsistent; Then convert the media content that reads out into six media file consistent with the media content of said export content information requirements; And the 6th media file that the media content that just reads out converts to offers said external unit; Perhaps when the media content that reads out is consistent with the media content of said export content information requirements, then the media content that reads out is offered said external unit.
15. method according to claim 14 is characterized in that, said second preset strategy comprises that storage back is derived in real time, derive after the time-delay fixed time of storage back and storage after at the appointed time deriving at least one.
16., it is characterized in that said first preset strategy comprises at least one in content life cycle, access to content temperature and artificial the setting according to the described method of the arbitrary claim of claim 11～15.
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Also Published As
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| WO2012092901A3 (en) | 2013-01-10 |
| WO2012092901A2 (en) | 2012-07-12 |
| CN102687149B (en) | 2014-03-12 |
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