CN102687149B - Media storage system and method - Google Patents

Media storage system and method Download PDF

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Publication number
CN102687149B
CN102687149B CN201280000227.5A CN201280000227A CN102687149B CN 102687149 B CN102687149 B CN 102687149B CN 201280000227 A CN201280000227 A CN 201280000227A CN 102687149 B CN102687149 B CN 102687149B
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media
content
storage
storage pool
media content
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CN102687149A (en
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施有铸
黄汉砚
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Huawei Cloud Computing Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]

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  • Computer Networks & Wireless Communication (AREA)
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  • Television Signal Processing For Recording (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

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

Media storage systems and method
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 comprised of a plurality of thesauruss, and each thesaurus is for storing the media content of different life/service period.For example: in existing radio and television manufacturing system, raw data thesaurus is for storing media file or the Media Stream directly receiving from source of media; The thesaurus of programming is processed media file afterwards for storing through outside trans-coding system and manufacturing system; Standby multicast data storehouse is for storing the media file of preparing broadcast.
Yet, in existing media storage systems, a media content can only be stored in different thesauruss with a kind of form in different life cycle/service period, and separate between each thesaurus, thereby has caused the storage dirigibility of media and the reduction of storage efficiency.
On the other hand, in existing media storage systems, although also have, the media content of different life/service period is stored in same shared thesaurus, but so shared thesaurus has only been to provide basic bottom memory interface, cannot directly support above-mentioned media business, for example: must have other external unit that net cast stream is recorded into after media file, or must there is other external unit that a kind of media file of form is converted to the media content reading out after the media file of the form that needs storage, could deposit final media file in above-mentioned shared memory systems, similarly, when user need to access the media file of sharing in thesaurus, also can only read by the media formats of sharing the current storage of thesaurus, cannot media formats or Media Stream mode on demand conduct interviews, unless the media file of sharing repository stores is derived, then carries out media format conversion or fluidisation by other external system devices.Again on the one hand, shared thesaurus generally only provides file system, do not support the management such as metadata to video file (such as director, performer and dialogue etc.) is stored, retrieval, must have other external unit that the metadata management of media content is provided yet yet.In above-mentioned shared thesaurus, media management and storage administration are relatively independent, and user is not high by system complex, dirigibility and the efficiency of this two parts combination.For example: current media asset management system.In media asset management system, generally can be divided into three layers: matchmaker provides business, media management and storage administration, wherein matchmaker provides business and media management tight coupling, take radio, TV and film industries as example, user can only buy a whole set of complete media asset management system, and system cannot provide for other media business (as making business, Broadcast Control business, news etc.) service of media management, storage administration.
Summary of the invention
The embodiment of the present invention provides a kind of media storage systems and method, in order to improve storage dirigibility and the storage efficiency of media.
Provide a kind of media storage systems on the one hand, be arranged in server, having comprised:
Content is included module, for include the first media file or Media Stream from source of media, and is the second media file by described the first media file or media stream transition;
Content storage module, for by described the first media file or Media Stream, and at least one in described the second media file is stored in the first storage pool; And according to the first preset strategy for media content migration, the media content in described the first storage pool is moved to the second storage pool, or the media content in described the second storage pool is moved to described the first storage pool;
Described the first storage pool, for according to the scheduling of described content storage module, carries out media content storage;
Described the second storage pool, for according to the scheduling of described content storage module, carries out media content storage;
Described system also comprises access to content module, and described access to content module is used for
Receive the first request of access that external unit sends, in described the first request of access, comprise media identification and reading of content information that request is read, according to described media identification, determine the storage pool at the media content place that this media identification is corresponding, and from definite storage pool, read corresponding media content, when the media content of the media content reading out and described reading of content information requirements is inconsistent, the media content reading out is converted to three media file consistent with the media content of described reading of content information requirements, and the 3rd media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described reading of content information requirements is consistent, the media content reading out is offered to described external unit, and/or
Receive the second request of access that described external unit sends, the media file and the content information stored that in described the second request of access, comprise request storage, and the media content that requires of the media file comprising in described the second request of access and described content information stored is when inconsistent, the media file comprising in described the second request of access is converted to the consistent fourth media file of media content requiring with described content information stored, and described fourth media file is stored in described the first storage pool or described the second storage pool, or when the media content that the media file comprising in described the second request of access requires with described content information stored is consistent, by the media file storage comprising in described the second request of access in described the first storage pool or described the second storage pool.
A kind of media storage method is provided on the other hand, has comprised:
Content is included module and is included the first media file or Media Stream from source of media, and is the second media file by described the first media file or media stream transition;
Content storage module is described the first media file or Media Stream, and at least one in described the second media file is stored in the first storage pool; And according to the first preset strategy for media content migration, the media content in described the first storage pool is moved to the second storage pool, or the media content in described the second storage pool is moved to described the first storage pool;
Access to content module receives the first request of access that external unit sends, in described the first request of access, comprise media identification and reading of content information that request is read, and according to described media identification, determine in the storage pool at the media content place that this media identification is corresponding, and from definite storage pool, read corresponding media content, when the media content of the media content reading out and described reading of content information requirements is inconsistent, the media content reading out is converted to three media file consistent with the media content of described reading of content information requirements, and the 3rd media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described reading of content information requirements is consistent, the media content reading out is offered to described external unit, and/or
Described access to content module receives the second request of access that described external unit sends, the media file and the content information stored that in described the second request of access, comprise request storage, and the media content that requires of the media file comprising in described the second request of access and described content information stored is when inconsistent, the media file comprising in described the second request of access is converted to the consistent fourth media file of media content requiring with described content information stored, and described fourth media file is stored in described the first storage pool or described the second storage pool, or when the media content that the media file comprising in described the second request of access requires with described content information stored is consistent, by the media file storage comprising in described the second request of access in described the first storage pool or described the second storage pool.
As shown from the above technical solution, the embodiment of the present invention is included module by content and is included the first media file or Media Stream from source of media, and be the second media file by above-mentioned the first media file or media stream transition, and then by content storage module by above-mentioned the first media file or Media Stream, and in above-mentioned the second media file
At least one be stored in the first storage pool, and according to the first preset strategy, media content in above-mentioned the first storage pool is moved to the second storage pool, or the media content in above-mentioned the second storage pool is moved to above-mentioned the first storage pool, because content is included module the first media file or the Media Stream of including from source of media is changed to pre-service, can make content storage module store the more media file of multi-format, thereby improve the storage dirigibility of media; Because the first storage pool and the second storage pool are not separate, content storage module can be carried out the migration of media content between the two, and (media content being about in the first storage pool moves to the second storage pool, or the media content in the second storage pool is moved to the first storage pool), can effectively improve storage speed and the reading speed of content storage module, thereby improved the storage efficiency of media, can also further fall cost simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
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 making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
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 the present embodiment can comprise that content includes module 11, content storage module 12, the first storage pool 13 and the second storage pool 14.Wherein, content is included module 11 use
In include the first media file or Media Stream from source of media, (be that content is included the api interface that module provides content to include to external unit, and be the first media file or the Media Stream that source of media provides by this api interface reception external unit), and be the second media file by above-mentioned the first media file or media stream transition.Example
As: for example news collection personnel can be connected to content by computer (PC) and include module 11, by file transfer protocol (FTP) (File Transfer Protocol is called for short FTP), upload the Newscast video file of newly gathering and editing.Above-mentioned the first media file or Media Stream that content storage module 12 is included for content being included to module 11, and content include in above-mentioned second media file of module 11 conversion at least one be stored in the first storage pool; And according to the first preset strategy for media content migration, the media content in above-mentioned the first storage pool is moved to the second storage pool, or the media content in above-mentioned the second storage pool is moved to above-mentioned the first storage pool.The first storage pool 13, for according to the scheduling of described content storage module, carries out media content storage.The second storage pool 14, for according to the scheduling of described content storage module, carries out media content storage.
Wherein, above-mentioned source of media can include but not limited to the media content of at least one form in audio format, video format, picture format and text formatting; Above-mentioned the first media file or Media Stream can include but not limited to media file or the Media Stream of at least one form in audio format, video format, picture format and text formatting; Above-mentioned the second media file can include but not limited to the media file of at least one form in audio format, video format, picture format and text formatting.
Wherein, the media formats of above-mentioned source of media can be static media file (for example: the 2(Moving Picture Experts Group2 of Motion Picture Experts Group, abbreviation MPEG-2) video file of form), or can be dynamic Media Stream (for example: the live video stream of transport stream (Transport Stream, be called for short TS) form).
In an optional embodiment of the present embodiment, the first preset strategy that content storage module 12 is carried out migration (media content being about in the first storage pool moves to the second storage pool, or the media content in the second storage pool is moved to the 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 setting.
In an optional embodiment of the present embodiment, content is included the mode that module 11 includes the first media file from source of media can include but not limited to that telecommunication network (for example: FTP uploads transmits, or HTML (Hypertext Markup Language) (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) and physical medium copy (for example: digital versatile disc (Digital Versatile Disc, abbreviation DVD) at least one mode disc reading).
In an optional embodiment of the 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 WebDAV at least one mode in pushing.
In an optional embodiment of the present embodiment, content is included module 11 and specifically can partly be received after above-mentioned the first media file or Media Stream, is converted into the second media file; Or also can receive completely after all above-mentioned the first media file or Media Stream, be converted into the 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, message digest algorithm 5(Message Digest Algorithm5, abbreviation MD5) at least one in encryption method, is above-mentioned the second media file by above-mentioned the first media file or media stream transition.
Be understandable that: it can be a file that content is included above-mentioned the second media file that module 11 converts the media content reading out to, or can also be a plurality of files, or can be also one group of integrated file of packing.
In an optional embodiment of the present embodiment, content storage module 12 specifically can be by above-mentioned the first media file or Media Stream, and above-mentioned the second media file is all stored in the first storage pool, or can also be only by a kind of first storage pool that is stored in wherein.For single medium content (i.e. the first media file or Media Stream or above-mentioned the second media file), content storage module 12 can be included when module 11 changes in content, by above-mentioned the first media file or Media Stream, be stored in the first storage pool with at least one in above-mentioned the second media file, or can also include after module 11 converts in content, by above-mentioned the first media file or Media Stream, and at least one in above-mentioned the second media file is stored in the first storage pool.
In an optional embodiment of the present embodiment, the first storage pool can be an on-line storage pond, and the second storage pool can be nearline storage pond and offline storage pond; Or the first storage pool can also be a nearline storage pond, the second storage pool can be on-line storage pond and offline storage pond; Or the first storage pool can be also an offline storage pond, and the second storage pool can be on-line storage pond and nearline storage pond etc.Wherein, for storing content, to include the media content original and/or that changed that module 11 includes (be above-mentioned the first media file or Media Stream in on-line storage pond, with at least one in above-mentioned the second media file), need the memory device that performance is high, for example: solid state hard disc (Solid State Disk is called for short SSD) or disk array etc.Nearline storage pond is for the less media content of memory access frequency, need the memory device that performance is general, 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.Offline storage pond is for depositing the few media content of access frequency (filing media content), the state that its physical store resource can be in dormancy or power down, such as: can dormancy disk or can power down disk etc., can further save system cost.
For example: it is MPEG2 file by the live media stream transition of 2008 Olympic Games 100-meter dash finals that content is included module, and then by content storage module 12,2008 Olympic Games 100-meter dash finals live content and MPEG2 file is stored in to on-line storage pond; After 2008 Olympic Games 100-meter dash finals 1 month, do not carry out any program making (yet can see access as) of hundred meters of finals, relevant MPEG2 file is seldom accessed, and 12 of content storage module can arrive nearline storage pond by 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 access as) of hundred meters of finals, to the almost not access of relevant MPEG2 file, 12 of content storage module can arrive offline storage pond by 2008 Olympic Games 100-meter dash finals live content and MPEG2 file migration; Need to make hundred meters of finals feature programs of an Olympic Games, 12 of content storage module can and add captions by the relevant video file montage of hundred meters of finals of a plurality of Olympic Games, explain orally to dub and form a feature program and be stored in on-line storage pond.
In the present embodiment, by content, include module and include the first media file or Media Stream from source of media, and be the second media file by above-mentioned the first media file or media stream transition, and then by content storage module by above-mentioned the first media file or Media Stream, be stored in the first storage pool with at least one in above-mentioned the second media file, and according to the first preset strategy, media content in above-mentioned the first storage pool is moved to the second storage pool, or the media content in above-mentioned the second storage pool is moved to above-mentioned the first storage pool, because content is included module the first media file or the Media Stream of including from source of media is changed to pre-service, can make content storage module store the more media file of multi-format, thereby improved the storage dirigibility of media, because the first storage pool and the second storage pool are not separate, content storage module can be carried out the migration of media content between the two, and (media content being about in the first storage pool moves to the second storage pool, or the media content in the second storage pool is moved to the first storage pool), can effectively improve storage speed and the reading speed of content storage module, thereby improved the storage efficiency of media, 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 as shown in Figure 2, the media storage systems of the present embodiment can further include content retrieval module 21, 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 at least one from above-mentioned the first storage pool and above-mentioned the second storage pool (i.e. the first media file or Media Stream, and at least one in above-mentioned the second media file); And
The retrieval request that receives external unit transmission (is that content retrieval module provides the api interface of content retrieval to external unit, and receive by this api interface the retrieval request that external unit sends), in above-mentioned retrieval request, comprise characteristic parameter, and according to above-mentioned characteristic parameter, in above-mentioned metadata, retrieve, and result for retrieval is offered to said external equipment.
For example: content retrieval module 21 can receive a film dialogue " I will be back " of external unit input, retrieve the associated metadata of corresponding film < < terminator > >.
In an optional embodiment of the present embodiment, content retrieval module 21 specifically can be utilized at least one in attribute description information extracting method, video caption text extracting method, audio speech identification extracting method, characteristics of image code identification extracting method and audio feature code identification extracting 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 feature information and video features information.
In an optional embodiment of the present embodiment, the result for retrieval that content retrieval module 21 provides to above-mentioned external unit can include but not limited at least one in index number, hyperlink, textual description and image.
For example: satellite signal receiver is pushed to content by 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 this live Media Stream of filling and description simultaneously.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 MPEG2 file, and then by content storage module 12, MPEG2 file is stored in to the first storage pool.Content retrieval module can be accessed the MPEG2 file in the first storage pool, extracts the captioned test in this MPEG2 file, as the characteristic of content retrieval, preserves.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.Content retrieval module can be according to above-mentioned characteristic parameter, in above-mentioned metadata, retrieve, and result for retrieval is offered to said external equipment, for example: list, description comment and the access of returning to 2008 Olympic Games 100-meter dash finals videos connect list.
In the present embodiment, by content retrieval module, automatically extract metadata, and/or obtain from outside the metadata that source of media provides, and the api interface of content retrieval is provided to external unit, make content retrieval module to provide retrieval service to external unit, thereby improved space utilisation.
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 as shown in Figure 3, the media storage systems of the present embodiment can further include access to content module 31, for
The first request of access that receives the transmission of said external equipment (is the api interface that access to content module provides content to read to external unit, and receive by this api interface the first request of access that external unit sends), in above-mentioned the first request of access, comprise media identification and reading of content information that request is read, and determine that according to above-mentioned media identification corresponding media content is in described the first storage pool or described the second storage pool, and read corresponding media content from definite above-mentioned the first storage pool or above-mentioned the second storage pool, when the media content of the media content reading out and described reading of content information requirements is inconsistent, the media content reading out is converted to three media file consistent with the media content of described reading of content information requirements, and the 3rd media file that the media content reading out is converted to offers said external equipment, or when the media content of the media content reading out and described reading of content information requirements is consistent, the media content reading out is offered to said external equipment, and/or
The second request of access that receives the transmission of said external equipment (is that access to content module provides the api interface of content storage to external unit, and receive by this api interface the second request of access that external unit sends), the media file and the content information stored that in above-mentioned the second request of access, comprise request storage, and the media content that requires of the media file comprising in described the second request of access and described content information stored is when inconsistent, the media file comprising in above-mentioned the second request of access is converted to the consistent fourth media file of media content requiring with described content information stored, and above-mentioned fourth media file is stored in above-mentioned the first storage pool or above-mentioned the second storage pool, or when the media content that the media file comprising in described the second request of access requires with described content information stored is consistent, by the media file storage comprising in above-mentioned the second request of access in above-mentioned the first storage pool or above-mentioned the second storage pool.
For example: external unit can pass through content access application DLL (dynamic link library) (Application Programming Interface, be called for short API) to content access modules, send the first request of access, for example: the < < terminator > > 800kbps video file of code check please be provided, access to content module can directly obtain low bit-rate video file from the first storage pool or the second storage pool, or when not existing, low bit-rate video file then do not offer external device access from the low code check file of original high code check file generated.
In an optional embodiment of the present embodiment,
When described access to content module converts the media content reading out to described 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 media format conversion method, the media content reading out is converted to the 3rd corresponding media file.
When described access to content module converts the media file comprising in described the second request of access to described fourth media file, 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 media format conversion method, the media file comprising in above-mentioned the second request of access is converted to corresponding fourth media file.
For example: satellite signal receiver is pushed to content by 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 this live Media Stream of filling and description simultaneously.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 MPEG2 file, and then by content storage module, MPEG2 file is stored in to the first storage pool.Access to content module receives the first request of access that external unit sends, access to content module reads the video file of the different lens shootings of 2008 Olympic Games 100-meter dash finals from the first storage pool, external unit need not be concerned about that this video file is specifically stored in which geographic position or what file system, only need to can automatically obtain corresponding video file according to interface requests.External unit can also further carry out Production Editor to the video file reading out, for example: by thematic video of video file editing and composite of the different lens shootings of 2008 Olympic Games 100-meter dash finals, and add captions and dub, after completing, to content access modules, send the second request of access.The thematic video storage that access to content module completes external unit is at the first storage pool.Further, the renewal that access to content module can also further obtain external unit or the metadata newly increasing import to content retrieval module, using and preserve as the characteristic of content retrieval; Or content retrieval module is the thematic video extraction metadata from the first storage pool further, using and preserve as the characteristic of content retrieval.
In the present embodiment, by access to content module, to external unit, provide api interface that content reads or the api interface of content storage, make access to content module to provide access (read or store) to serve to external unit, thereby improved space utilisation.
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 as shown in Figure 4, the media storage systems of the present embodiment can further include content and goes out library module 41, 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 content outbound, and the derivation sending by this api interface reception external unit is asked), in above-mentioned derivation request, comprise media identification and export content information that request is derived, and determine that according to above-mentioned media identification corresponding media content is in described the first storage pool or described the second storage pool, and read corresponding media content from definite above-mentioned the first storage pool or above-mentioned the second storage pool, when the media content of the media content reading out and described export content information requirements is inconsistent, the media content reading out is converted to five media file consistent with the media content of described export content information requirements, and the 5th media file that the media content reading out is converted to offers said external equipment, or when the media content of the media content reading out and described export content information requirements is consistent, the media content reading out is offered to said external equipment, or
According to the second preset strategy and the export content information that derive for media content, from described the first storage pool or described the second storage pool, read this second preset strategy and require the media content of deriving, and when the media content of the media content reading out and described export content information requirements is inconsistent, the media content reading out is converted to six media file consistent with the media content of described export content information requirements, and the 6th media file that the media content just reading out converts to offers said external equipment, or when the media content of the media content reading out and described export content information requirements is consistent, the media content reading out is offered to said external equipment.
For example: the CCTV-1 direct broadcast band receiving from Satellite Receiving Station, after including and being stored in the first storage pool, can be converted in real time Streaming Media (FLash Video, be called for short FLV) the live Media Stream outbound of form, offer video website and be pushed to the network user and watch.
In an optional embodiment of the present embodiment,
When described content derivation module converts the media content reading out to described 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 md5 encryption method, the media content reading out is converted to the 5th corresponding media file.
When described content derivation module converts the media content reading out to described the 6th media file, content goes out library module 41 specifically can be according to the second preset strategy deriving for media content, utilize at least one in audio frequency and video code check conversion method, media format conversion method, DRM method, digital watermark method and md5 encryption method, the media content reading out is converted to the 6th corresponding media file.
Wherein, above-mentioned the second preset strategy can include but not limited to derive in real time after storage, after the time delay fixed time, derive after storage and storage after at least one at the appointed time deriving.
For example: satellite signal receiver is pushed to content by 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 this live Media Stream of filling and description simultaneously.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 MPEG2 file, and then by content storage module, MPEG2 file is stored in to the first storage pool.Content goes out library module and receives the derivation request that external unit sends, content goes out library module and from the first storage pool, reads the thematic video of Olympic Games 100-meter dash finals, external unit need not be concerned about that this special topic video is specifically stored in which geographic position or what file system, only need to can automatically obtain corresponding video file according to interface requests.External unit can be used this special topic video, 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.
It should be noted that: in the present embodiment, content retrieval module, access to content module and content go out any two or three modules in library module and carry out all not free sequence requirement of function separately.
Be understandable that: external unit is without the inside division of labor, cooperation relation and the physical distribution of being concerned about media storage systems, the platform that only need to provide according to media storage systems serves (Platform as a Services, abbreviation PAAS) interface conducts interviews, and can obtain relevant media store and processing power.
In the present embodiment, by content, 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 provide the service of derivation to external unit, thereby improved space utilisation.
It should be noted that: above-mentioned the first storage pool and above-mentioned the second storage pool can be positioned at identical or different LAN (Local Area Network).In addition, if be positioned at different LAN (Local Area Network), the position of above-mentioned the first storage pool and above-mentioned the second storage pool can identical can be not identical yet.
It should be noted that: above-mentioned the first storage pool can be physical storage device, or can also be virtual memory facilities, for example: cloud storage server; Above-mentioned the second storage pool can be physical storage device, or can also be virtual memory facilities, for example: cloud storage server.The storage capacity of above-mentioned the first storage pool and above-mentioned the second storage pool can also be supported artificial setting means and/or automatic dividing mode in addition.
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, by the content that external unit is provided, include, retrieve, access and the api interface of the service such as derivation, make it possible to support the media business such as media asset management business, media production business, video monitoring service and long-distance education business, can effectively improve the utilization factor of storage.
For the system that the embodiment of the present invention is provided is clearer, below by the media storage systems for video monitoring service as an example.The real-time media stream of video monitoring pushes by HTTP or the injection content such as WebDAV is included module, and records into media file according to predetermined policy, for example: by the time, write as a media file.Content storage module by the media file storage of recording in on-line storage pond, then can also be further according to preset strategy, for example: access to content temperature, migrates to media file nearline storage pond or offline storage pond from on-line storage pond.Content retrieval module can be extracted metadata in the media file from on-line storage pond, nearline storage pond and offline storage pond, such as: time, acoustic information etc.The api interface providing to external equipment by content retrieval module, external unit is initiated the application request of content retrieval, for example: by the content creating time, be on February 7th, 2012, retrieve, obtain several media files; Or, input people's face picture and retrieve; Or, input a number-plate number and retrieve, etc.The api interface providing to external unit by access to content module, to the media file retrieving, external unit can be initiated the request of video access.Access to content module is received request of access, media file in on-line storage pond or nearline storage pond is initiated the first request of access, as content is carried out to fluidisation, finally make user (for example: the video content of client player) playing access can pass through external unit.Now, if media file is arranged in offline storage, access to content module can be migrated in online or nearline storage.
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 the present embodiment can comprise:
501, content is included module and is included the first media file or Media Stream from source of media, and is the second media file by above-mentioned the first media file or media stream transition;
502, content storage module is above-mentioned the first media file or Media Stream, and at least one in above-mentioned the second media file is stored in the first storage pool; And according to the first preset strategy for media content migration, the media content in above-mentioned the first storage pool is moved to the second storage pool, or the media content in above-mentioned the second storage pool is moved to above-mentioned the first storage pool.
Detailed description can, referring to the related content in embodiment corresponding to Fig. 1～Fig. 4, repeat no more herein.
In an optional embodiment of the present embodiment, the first preset strategy that content storage module is carried out migration (media content being about in the first storage pool moves to the second storage pool, or the media content in the second storage pool is moved to the 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 setting.
In the present embodiment, by content, include module and include the first media file or Media Stream from source of media, and be the second media file by above-mentioned the first media file or media stream transition, and then by content storage module by above-mentioned the first media file or Media Stream, be stored in the first storage pool with at least one in above-mentioned the second media file, and according to the first preset strategy, media content in above-mentioned the first storage pool is moved to the second storage pool, or the media content in above-mentioned the second storage pool is moved to above-mentioned the first storage pool, because content is included module the first media file or the Media Stream of including from source of media is changed to pre-service, can make content storage module store the more media file of multi-format, thereby improved the storage dirigibility of media, because the first storage pool and the second storage pool are not separate, content storage module can be carried out the migration of media content between the two, and (media content being about in the first storage pool moves to the second storage pool, or the media content in the second storage pool is moved to the first storage pool), can effectively improve storage speed and the reading speed of content storage module, thereby improved the storage efficiency of media, can also reduce costs simultaneously.
In an optional embodiment of the present embodiment, can further include:
Content retrieval module includes from above-mentioned source of media or foregoing the metadata that module obtains above-mentioned the first media file or Media Stream, and/or in the media content at least one, extracts metadata from above-mentioned the first storage pool and above-mentioned the second storage pool; And
Foregoing retrieval module receives the retrieval request that external unit sends, and comprises characteristic parameter, and according to above-mentioned characteristic parameter, in above-mentioned metadata, retrieves, and result for retrieval is offered to said external equipment in above-mentioned retrieval request.
Detailed description can, referring to the related content in embodiment corresponding to Fig. 1～Fig. 4, repeat no more herein.
In this optional embodiment, by content retrieval module, automatically extract metadata, and/or the metadata providing from outside acquisition source of media, and to external unit, provide the api interface of content retrieval, make content retrieval module to provide retrieval service to external unit, thereby improved space utilisation.
In an optional embodiment of the present embodiment, can further include:
Access to content module receives the first request of access that said external equipment sends, in above-mentioned the first request of access, comprise media identification and reading of content information that request is read, and determine that according to above-mentioned media identification corresponding media content is in above-mentioned the first storage pool or above-mentioned the second storage pool, and read corresponding media content from definite above-mentioned the first storage pool or above-mentioned the second storage pool, when the media content reading out does not meet above-mentioned reading of content information, the media content reading out is converted to the 3rd media file that meets above-mentioned reading of content information, and the 3rd media file that the media content reading out is converted to offers said external equipment, or when the media content reading out meets above-mentioned reading of content information, the media content reading out is offered to said external equipment, and/or
Foregoing access modules receives the second request of access that said external equipment sends, the media file and the content information stored that in above-mentioned the second request of access, comprise request storage, and the media file comprising in above-mentioned the second request of access is not while meeting above-mentioned content information stored, the media file comprising in above-mentioned the second request of access is converted to the fourth media file that meets above-mentioned content information stored, and above-mentioned fourth media file is stored in above-mentioned the first storage pool or above-mentioned the second storage pool, or when the media file comprising in above-mentioned the second request of access meets above-mentioned content information stored, by the media file storage comprising in above-mentioned the second request of access in above-mentioned the first storage pool or above-mentioned the second storage pool.
Detailed description can, referring to the related content in embodiment corresponding to Fig. 1～Fig. 4, repeat no more herein.
In this optional embodiment, by access to content module, to external unit, provide api interface that content reads or the api interface of content storage, make access to content module to provide access (read or store) service to external unit, thereby improved space utilisation.
In an optional embodiment of the present embodiment, can further include:
Content goes out library module and receives the derivation request that said external equipment sends, in above-mentioned derivation request, comprise media identification and export content information that request is derived, and determine that according to above-mentioned media identification corresponding media content is in above-mentioned the first storage pool or above-mentioned the second storage pool, and read corresponding media content from definite above-mentioned the first storage pool or above-mentioned the second storage pool, when the media content reading out does not meet above-mentioned export content information, the media content reading out is converted to the 5th media file that meets above-mentioned export content information, and the 5th media file that the media content reading out is converted to offers said external equipment, or when the media content reading out meets above-mentioned export content information, the media content reading out is offered to said external equipment, or
Foregoing goes out library module according to the second preset strategy and the export content information that derive for media content, from described the first storage pool or described the second storage pool, read this second preset strategy and require the media content of deriving, and when the media content reading out does not meet above-mentioned export content information, the media content reading out is converted to the 6th media file that meets above-mentioned export content information, and the 6th media file that the media content just reading out converts to offers said external equipment, or when the media content reading out meets above-mentioned export content information, the media content reading out is offered to said external equipment.
Wherein, above-mentioned the second preset strategy can include but not limited to derive in real time after storage, after the time delay fixed time, derive after storage and storage after at least one at the appointed time deriving.
Detailed description can, referring to the related content in embodiment corresponding to Fig. 1～Fig. 4, repeat no more herein.
In this optional embodiment, by content, 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 provide the service of derivation to external unit, thereby improved space utilisation.
It should be noted that: term "and/or" is herein only a kind of incidence relation of describing affiliated partner, and expression can exist three kinds of relations, and for example, A and/or B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, character "/", generally represents that forward-backward correlation is to liking a kind of relation of "or" herein.
It should be noted that: for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to 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 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, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read-Only Memory, be called for short ROM), the various media that can be program code stored such as random access memory (Random Access Memory is called for short RAM), magnetic disc or CD.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (14)

1. a media storage systems, is arranged in server, it is characterized in that, comprising:
Content is included module, for include the first media file or Media Stream from source of media, and is the second media file by described the first media file or media stream transition;
Content storage module, for by described the first media file or Media Stream, and at least one in described the second media file is stored in the first storage pool; And according to the first preset strategy for media content migration, the media content in described the first storage pool is moved to the second storage pool, or the media content in described the second storage pool is moved to described the first storage pool;
Described the first storage pool, for according to the scheduling of described content storage module, carries out media content storage;
Described the second storage pool, for according to the scheduling of described content storage module, carries out media content storage;
Described system also comprises access to content module, and described access to content module is used for
Receive the first request of access that external unit sends, in described the first request of access, comprise media identification and reading of content information that request is read, according to described media identification, determine the storage pool at the media content place that this media identification is corresponding, and from definite storage pool, read corresponding media content, when the media content of the media content reading out and described reading of content information requirements is inconsistent, the media content reading out is converted to three media file consistent with the media content of described reading of content information requirements, and the 3rd media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described reading of content information requirements is consistent, the media content reading out is offered to described external unit, and/or
Receive the second request of access that described external unit sends, the media file and the content information stored that in described the second request of access, comprise request storage, and the media content that requires of the media file comprising in described the second request of access and described content information stored is when inconsistent, the media file comprising in described the second request of access is converted to the consistent fourth media file of media content requiring with described content information stored, and described fourth media file is stored in described the first storage pool or described the second storage pool, or when the media content that the media file comprising in described the second request of access requires with described content information stored is consistent, by the media file storage comprising in described the second request of access in described the first storage pool or described the second storage pool.
2. system according to claim 1, is characterized in that, described system also comprises content retrieval module, and described content retrieval module is used for
From described source of media or described content, include the metadata that module obtains described the first media file or Media Stream, and/or extract metadata in the media content of at least one storage from described the first storage pool and described the second storage pool; And
Receive the retrieval request that external unit sends, in described retrieval request, comprise characteristic parameter, and according to described characteristic parameter, in described metadata, retrieve, and result for retrieval is offered to described external unit.
3. system according to claim 1, is characterized in that,
When described access to content module converts the media content reading out to described the 3rd media file, described access to content module is specifically for according to described 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 media format conversion method, the media content reading out is converted to described the 3rd media file;
When described access to content module converts the media file comprising in described the second request of access to described fourth media file, described access to content module is specifically for according to described content information stored, utilize at least one in audio/video encoding/decoding mode conversion method, audio frequency and video code check conversion method and media format conversion method, the media file comprising in described the second request of access is converted to described fourth media file.
4. according to the system described in the arbitrary claim of claim 1, it is characterized in that, described system also comprises that content goes out library module, described content go out library module for
Receive the derivation request that described external unit sends, in described derivation request, comprise media identification and export content information that request is derived, and according to described media identification, determine in the storage pool at the media content place that this media identification is corresponding, and from definite storage pool, read corresponding media content, when the media content of the media content reading out and described export content information requirements is inconsistent, the media content reading out is converted to five media file consistent with the media content of described export content information requirements, and the 5th media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described export content information requirements is consistent, the media content reading out is offered to described external unit, or
According to the second preset strategy and the export content information that derive for media content, from described the first storage pool or described the second storage pool, read this second preset strategy and require the media content of deriving, and when the media content of the media content reading out and described export content information requirements is inconsistent, the media content reading out is converted to six media file consistent with the media content of described export content information requirements, and the 6th media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described export content information requirements is consistent, the media content reading out is offered to described external unit.
5. system according to claim 4, is characterized in that,
When described content derivation module converts the media content reading out to described the 5th media file, described content goes out library module specifically for according to described 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 md5 encryption method, the media content reading out is converted to described the 5th media file;
When described content derivation module converts the media content reading out to described the 6th media file, described content goes out library module specifically for according to described the 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 md5 encryption method, the media content reading out is converted to described the 6th media file.
6. system according to claim 4, is characterized in that, described the second preset strategy derives in real time after comprising storage, after the time delay fixed time, derive after storage and storage after at least one at the appointed time deriving.
7. according to the system described in the arbitrary claim of claim 1～6, it is characterized in that, described content include module specifically 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 md5 encryption method, is described the second media file by described the first media file or media stream transition.
8. according to the system described in the arbitrary claim of claim 1～6, it is characterized in that, described the first preset strategy comprises at least one in content life cycle, access to content temperature and artificial setting.
9. according to the system described in the arbitrary claim of claim 1～6, it is characterized in that, described the first storage pool and described the second storage pool are positioned at identical or different LAN (Local Area Network).
10. a media storage method, is characterized in that, comprising:
Content is included module and is included the first media file or Media Stream from source of media, and is the second media file by described the first media file or media stream transition;
Content storage module is described the first media file or Media Stream, and at least one in described the second media file is stored in the first storage pool; And according to the first preset strategy for media content migration, the media content in described the first storage pool is moved to the second storage pool, or the media content in described the second storage pool is moved to described the first storage pool;
Access to content module receives the first request of access that external unit sends, in described the first request of access, comprise media identification and reading of content information that request is read, and according to described media identification, determine in the storage pool at the media content place that this media identification is corresponding, and from definite storage pool, read corresponding media content, when the media content of the media content reading out and described reading of content information requirements is inconsistent, the media content reading out is converted to three media file consistent with the media content of described reading of content information requirements, and the 3rd media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described reading of content information requirements is consistent, the media content reading out is offered to described external unit, and/or
Described access to content module receives the second request of access that described external unit sends, the media file and the content information stored that in described the second request of access, comprise request storage, and the media content that requires of the media file comprising in described the second request of access and described content information stored is when inconsistent, the media file comprising in described the second request of access is converted to the consistent fourth media file of media content requiring with described content information stored, and described fourth media file is stored in described the first storage pool or described the second storage pool, or when the media content that the media file comprising in described the second request of access requires with described content information stored is consistent, by the media file storage comprising in described the second request of access in described the first storage pool or described the second storage pool.
11. methods according to claim 10, is characterized in that, also comprise:
Content retrieval module includes from described source of media or described content the metadata that module obtains described the first media file or Media Stream, and/or extracts metadata in the media content at least one from described the first storage pool and described the second storage pool; And
Described content retrieval module receives the retrieval request that external unit sends, and comprises characteristic parameter, and according to described characteristic parameter, in described metadata, retrieves, and result for retrieval is offered to described external unit in described retrieval request.
12. methods according to claim 10, is characterized in that, also comprise:
Content goes out library module and receives the derivation request that described external unit sends, in described derivation request, comprise media identification and export content information that request is derived, and according to described media identification, determine in the storage pool at the media content place that this media identification is corresponding, and from definite storage pool, read corresponding media content, when the media content of the media content reading out and described export content information requirements is inconsistent, the media content reading out is converted to five media file consistent with the media content of described export content information requirements, and the 5th media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described export content information requirements is consistent, the media content reading out is offered to described external unit, or
Described content goes out library module according to the second preset strategy and the export content information that derive for media content, from described the first storage pool or described the second storage pool, read this second preset strategy and require the media content of deriving, and when the media content of the media content reading out and described export content information requirements is inconsistent, the media content reading out is converted to six media file consistent with the media content of described export content information requirements, and the 6th media file that the media content just reading out converts to offers described external unit, or when the media content of the media content reading out and described export content information requirements is consistent, the media content reading out is offered to described external unit.
13. methods according to claim 12, is characterized in that, described the second preset strategy derives in real time after comprising storage, after the time delay fixed time, derive after storage and storage after at least one at the appointed time deriving.
14. according to the method described in the arbitrary claim of claim 10～13, it is characterized in that, described the first preset strategy comprises at least one in content life cycle, access to content temperature and artificial setting.
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