CN117540040A - Media resource content exchange device and method - Google Patents
Media resource content exchange device and method Download PDFInfo
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- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
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Abstract
The application discloses a media resource content exchange device and method, when a content production tool sends list operation to a driver or a virtual folder, file information is acquired according to the need, the file list is organized and sent to the content production tool for display, a reading operation instruction is received and redirected to a media resource system/media content library, a material file is obtained and sent to the content production tool for processing operation, and a finished product file is obtained; after receiving the finished file sent by the content production tool, converting the writing operation instruction into a media asset storage writing operation instruction, and writing the finished file into a media asset system/media content library for storage. The media resource content exchange device directly exchanges data with the media resource system/media content library, so that additional migration operation of file content is avoided, open storage sharing is not needed, production work efficiency is improved while safe content access is ensured, network bandwidth occupation is greatly reduced, and storage occupation of a production end is reduced.
Description
Technical Field
The present application relates to the field of data exchange technologies, and in particular, to a media asset content exchange device and method.
Background
In the conventional media content production process, the media asset library is a distributed area of video and audio data, and if content processing is to be performed on a content production tool (such as non-editing software and picture editing software), there are two general processing methods: the first method is that the storage opening of the media asset library is shared to the content production workstation for access through CIFS/NFS protocol, the files on the media asset storage can be directly checked and used by the resource manager on the content production workstation, and after the processing is finished, the finished product program is copied into the appointed shared folder to finish the media asset library. And secondly, the materials in the media asset library are delivered and migrated to a storage which can be directly accessed by a production tool, then the materials are processed by a content production tool, and after the processing is finished, the migration of the finished program is restarted and the finished program is delivered into the media asset library.
However, the first method has the problems of access authorization and easy virus propagation which cannot be controlled by files, wherein the problem of access authorization which cannot be controlled by files means that access authorization can only be performed by folders in a storage sharing mode, and if a plurality of materials exist under the same folder, unauthorized access of other materials by a production end user cannot be avoided while one material access is provided. The problem of easy spread of viruses is that a writable folder needs to be shared to provide a warehouse entry of finished programs, and the folder is easy to be a channel for spreading worm viruses.
The second method has the problems of low tool access inventory content, low content management and control and extra space occupation, the problem of low tool access inventory content refers to the fact that the warehouse entry and the warehouse exit are required to be subjected to file migration between storages, extra waiting time is required for the ultra-high definition video of tens of GB which is now frequently used, and the processing efficiency is low. The problems of content management and control and extra space occupation are that copies of materials in a warehouse are dissociated outside a media resource system, so that management is difficult, a user does not know when the copies should be deleted, extra storage space is occupied, rights control is difficult, and copyrighted content outflow is easy to cause.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a media resource content exchange device and method, which can directly exchange data with a media resource library through a virtual file system, improve the working efficiency of content production, greatly reduce the network bandwidth occupation and reduce the storage occupation of a production end.
The purpose of the application is realized through the following technical scheme:
in a first aspect, the present application proposes a media asset content exchange device, the media asset content exchange device being respectively connected to a media asset system/media content library and a content production tool, the media asset content exchange device creating a driver or a virtual folder;
the media resource content exchange device is used for acquiring file information from a media resource system/media content library according to the need when the content production tool sends a list operation to a driver or a virtual folder, and organizing the file information into a file list and sending the file list to the content production tool for display;
redirecting the reading operation instruction to a media resource system/media content library when receiving the reading operation instruction sent by the content production tool, obtaining a material file from the media resource storage, and sending the material file to the content production tool for processing operation to obtain a finished product file;
after receiving the finished file sent by the content production tool, converting the writing operation instruction of the content production tool into a medium resource storage writing operation instruction, and writing the finished file into a medium resource system/medium content library for storage according to the medium resource storage writing operation instruction.
In one possible implementation manner, the media asset content exchange device includes a virtual file system module, configured to establish a virtual file system through a user space file system to obtain a file list selected in a media asset system/media content library, and support a content production tool or a resource management application to perform a read-write operation on the virtual file system.
In one possible implementation manner, the media asset content exchange device includes a metadata interaction module, which is configured to convert a received reading operation instruction into a reading instruction for a material selection list, convert a material file returned by a media asset system/media content library into data conforming to a standard operating system file I/O, and send the data back to the virtual file system module.
In one possible implementation manner, the metadata interaction module is further configured to obtain metadata information from the media asset database according to the file block reading instruction received by the virtual file system module, so as to prepare for reading the actual file content, where the metadata information includes description information and storage information of the file itself.
In one possible implementation, the metadata interaction module is further configured to store the metadata information to the database after the finished file is written to the media asset storage.
In one possible implementation manner, the media asset content exchange device further includes a storage medium interaction module, configured to schedule relevant media to enter a drive or a virtual folder according to a file block reading instruction of the virtual file system module and media information obtained from the metadata interaction module, and call a media asset storage read-write interface to complete reading and writing of file block data.
In one possible implementation, the media asset storage read-write interface includes an S3 storage interface or a file access interface provided by SSH, SCP, FTP, CIFS, NFS.
In one possible implementation, the media asset store is one or more of a disk array, lan Guangku, tape library.
In a second aspect, the present application further provides a method for exchanging media content, where the method is applied to a media content exchange device, where the media content exchange device is connected to a media system/media content library and a content production tool, respectively, and the media content exchange device includes a virtual file system module, where the virtual file system module includes a driver or a virtual folder, and the method includes:
receiving a file list acquisition request sent by a content production tool, converting the file list acquisition request into a material selection list inquiry request, and sending the material selection list inquiry request to a media resource system/media content library to acquire a material selection list and returning the material selection list to the content production tool;
after the content production tool converts the material selection list into a material file acquisition request and sends the material file acquisition request to the media resource content exchange device, sending the material file acquisition request to a media resource system/media content library to acquire corresponding material files and presenting the corresponding material files to the content production tool;
after the content production tool processes the material files into finished files and sends the finished files to the medium resource content exchange device, the finished files are written into a medium resource system/medium content library for storage.
The main scheme and each further option of the application can be freely combined to form a plurality of schemes, which are all schemes that can be adopted and claimed by the application; and the selection(s) of non-conflicting choices and other choices may be freely combined. Numerous combinations will be apparent to those skilled in the art upon review of the present application, and are not intended to be exhaustive or to be construed as limiting the scope of the invention.
The application discloses a media resource content exchange device and method, when a content production tool sends list operation to a driver or a virtual folder, file information is acquired according to the need, the file list is organized and sent to the content production tool for display, a reading operation instruction is received and redirected to a media resource system/media content library, a material file is obtained and sent to the content production tool for processing operation, and a finished product file is obtained; after receiving the finished file sent by the content production tool, converting the writing operation instruction into a media asset storage writing operation instruction, and writing the finished file into a media asset system/media content library for storage. The media resource content exchange device directly exchanges data with the media resource system/media content library, so that additional migration operation of file content is avoided, open storage sharing is not needed, production work efficiency is improved while safe content access is ensured, network bandwidth occupation is greatly reduced, and storage occupation of a production end is reduced.
Drawings
Fig. 1 shows a schematic diagram of shared access of media asset storage in a conventional method.
Fig. 2 shows a schematic diagram of in-and-out library migration in a conventional method.
Fig. 3 shows a schematic diagram of a media content exchange device according to an embodiment of the present application.
Fig. 4 shows a schematic diagram of material list acquisition according to an embodiment of the present application.
Fig. 5 shows a schematic diagram of material content reading according to an embodiment of the present application.
Fig. 6 shows a schematic diagram of finished content warehousing according to an embodiment of the present application.
Detailed Description
Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the prior art, as the safety of content access and the convenience of content exchange are two aspects of important consideration for media resource system construction, the convenience and safety are difficult to be simultaneously considered, and therefore, a shared storage method and an access and storage migration method are provided, but the shared storage method has the problems that access authorization cannot be precisely controlled and a channel which is easy to become virus to spread is easy to be formed, and the access and storage migration method also has the problems that the efficiency of tool access to stock content is low, extra space is occupied and the access to the content is separated from authority management and control after the content is delivered.
Referring to fig. 1, fig. 1 shows a schematic diagram of shared access of a media asset storage in a conventional method, based on a producer desktop workstation and a media asset system/media content library, a content production tool and an operating system of the producer desktop workstation perform file reading and writing, and the operating system communicates with the media asset storage in the media asset system/media content library.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating in-out migration in a conventional method, in which a migration file is taken out of a library before processing by a media asset storage in a media asset system/media content library, and the migration file is put in the library after the processing is completed to a local place by a temporary storage disk of a desktop workstation of a producer. The method has the defects that an additional file migration step is needed, the efficiency is low, and additional disk space is needed to be occupied.
Therefore, in order to solve the problems in the prior art, the embodiment of the application provides a media resource content exchange device and a method, which directly exchange data with a media resource library through a virtual file system, improve the working efficiency of content production, and can also greatly reduce the network bandwidth occupation and the storage occupation of a production end.
Referring to fig. 3, fig. 3 shows a schematic diagram of a media content exchange device according to an embodiment of the present application, where the media content exchange device is respectively connected to a media system/media content library and a content production tool, and the media content exchange device includes a virtual file system module, where the virtual file system module creates a driver or a virtual folder, and the virtual file system module is embodied as a driver or a virtual folder visible in a client desktop operating system;
the media resource content exchange device is used for acquiring file information from a media resource system/media content library according to the need when the content production tool sends a list operation to a driver or a virtual folder, and organizing the file information into a file list and sending the file list to the content production tool for display;
redirecting the reading operation instruction to a media resource system/media content library when receiving the reading operation instruction sent by the content production tool, obtaining a material file from the media resource storage, and sending the material file to the content production tool for processing operation to obtain a finished product file;
after receiving the finished file sent by the content production tool, converting the writing operation instruction of the content production tool into a medium resource storage writing operation instruction, and writing the finished file into a medium resource system/medium content library for storage according to the medium resource storage writing operation instruction.
The main body of the media resource content exchange device runs in a desktop operating system, is communicated with a media resource system/media content library through network data transmission, receives a file access request of a content production tool through a virtual file system module, converts and reorganizes the file read-write request into a storage and database request in the media resource system, and returns the material file or a processing result to the content production tool through the virtual file system.
A driver or a virtual folder is established in the virtual file system module to complete direct interaction of a content production tool and a media asset content exchange device, when a user performs list operation, the media asset library content exchange device obtains file information from a media asset system/media content library according to requirements, the file information is organized into a file list to be presented to the user, then the user performs reading operation on the file list by utilizing a desktop operating system of a producer workstation, wherein the reading operation comprises format analysis, preview play, cut editing, transcoding synthesis and the like, and the media asset library content exchange device redirects reading operation instructions to media asset storage in the media asset system/media content library in the background and returns the reading operation instructions to the user after the acquisition of material files is automatically completed.
After the content production tool finishes the processing operation of the file, the finished file is saved to the virtual file system, and the medium resource content exchange device converts the writing operation instruction received by the content production tool into a medium resource storage writing operation instruction, writes the data of the finished file into the medium resource storage, and finishes the database saving of the medium resource metadata.
The media resource content exchange device avoids additional migration operation of file content, does not need open storage sharing, improves production work efficiency while ensuring safe content access, and can also greatly reduce network bandwidth occupation and production end storage occupation.
The media resource content exchange device comprises a virtual file system module, which is used for establishing a virtual file system through a user space file system to obtain a file list selected in a media resource system/media content library and support a content production tool or resource management application to read and write the virtual file system.
The virtual file system module establishes a virtual file system module with the same access mode as a common folder/driver through a user space file system, runs on a desktop computer of a production tool, and supports a content production tool or a resource management application to read and write the virtual file system module, wherein the user space file system comprises a built-in VFS layer such as Linux, freeBSD, netBSD, openSolaris and Mac OSX or a Dokan open source implementation of a Windows platform.
The media resource content exchange device comprises a metadata interaction module, a virtual file system module and a data processing module, wherein the metadata interaction module is used for converting a received reading operation instruction into a reading instruction for a material selection list, converting a material file returned by a media resource system/media content library into data conforming to the I/O of a standard operating system file, and transmitting the data back to the virtual file system module, wherein the material selection list is stored in a database.
The metadata interaction module converts the list instruction received by the virtual file system module into a reading instruction of a material selection list (or other list for determining the access range of materials) of the media resource system, reversely converts the return result of the media resource system into data conforming to the I/O of the standard operating system file, and transmits the data back to the virtual file system module.
The metadata interaction module is also used for acquiring metadata information from the media database according to the file block reading instruction received by the virtual file system module, and preparing for reading the actual file content, wherein the metadata information comprises description information and storage information of the file.
And the metadata interaction module calls a media resource system interface to acquire metadata information (including description information and storage information of the file) of the designated file in the media resource system from the media resource database according to the file block data reading instruction received by the virtual file system module, so as to prepare for reading the actual file content.
And the metadata interaction module is also used for storing metadata information into a database after the finished file is written into the media asset storage.
After the finished file is written into the media asset storage, the metadata interaction module stores the related file metadata (the description information and storage information of the file) into the media asset database.
The media resource content exchange device also comprises a storage medium interaction module which is used for scheduling related media to enter a driver or a virtual folder according to the file block reading instruction of the virtual file system module and the media information obtained from the metadata interaction module, and calling a media resource storage read-write interface to complete the reading and writing of file block data.
The storage medium interaction module dispatches relevant media to enter a driver or a virtual folder (Lan Guangku, the case of a tape library, the whole column of the magnetic disk does not need dispatching) according to the file read-write command received by the virtual file system module and the medium information obtained from the metadata interaction module. And calling a media asset storage read-write interface (which can be an S3 storage interface or a file access interface provided by SSH, SCP, FTP, CIFS, NFS and the like) to complete the reading and writing of the file block data. The media asset storage read-write interface comprises an S3 storage interface or a file access interface provided by SSH, SCP, FTP, CIFS, NFS, and the media asset storage can be one or more of a disk array, lan Guangku and a tape library.
The virtual file system module converts received local file read-write operation instructions into media asset storage read-write operation instructions through a FUSE (user space file system) technology by a virtual folder or a virtual driver established on a desktop computer of a production tool.
The metadata interaction module is also used for redirecting the media asset storage read-write operation instruction to the media asset library through a network in a Restful (or GraphQL, SOAP, gRPC and the like) mode, so that the media asset library transmits the material files to the virtual file system according to the media asset storage read-write operation instruction.
In addition, the application also provides a media resource content exchange method, which is applied to a media resource content exchange device, wherein the media resource content exchange device is respectively connected with a media resource system/media content library and a content production tool, the media resource content exchange device comprises a virtual file system module, the virtual file system module comprises a driver or a virtual folder, and the method comprises the following steps:
receiving a file list acquisition request sent by a content production tool, converting the file list acquisition request into a material selection list inquiry request, and sending the material selection list inquiry request to a media resource system/media content library to acquire a material selection list and returning the material selection list to the content production tool.
Referring to fig. 4, fig. 4 shows a schematic diagram of material list acquisition, which is mainly implemented by converting a local file list request received by a virtual file system module into a request for querying a material selection list, and returning the request to a calling end in real time, where the specific implementation steps are as follows:
firstly, opening a material source list to view local materials;
step two, the content production tool sends dir/Is or similar instructions to the media resource content exchange device;
thirdly, the metadata module acquires material list data from a material selection list in the database and synchronously returns the material list data, wherein the material list data comprises a file ID, a title, a size and a date;
and step four, the media information content exchange device converts and returns to the disk file list.
A virtual file system (which is embodied as a virtual folder on a Linux/Unix system and as a virtual driver on a Windows system) established through FUSE (user space file system comprising a built-in VFS layer such as Linux, freeBSD, netBSD, openSolaris and Mac OSX or a Dokan and other open source implementation of a Windows platform) receives file access instructions and data blocks sent by desktop content production tools (such as various videos, pictures and document editing software) or resource management applications (such as a resource manager of the Windows platform, an access of the Mac OSX platform and a Shell application of the Linux platform), converts the file access instructions and the data blocks into read-write instructions (corresponding medium scheduling instructions are also included if the file access instructions are near-line storage) for media data storage and database, and redirects data contents or processing result identifiers to a calling end through the virtual file system.
The method comprises the steps of realizing a data conversion device (software module), converting a file list acquisition request (dir/ls command or operating system readdir and similar instructions) received by a virtual file system into a request for inquiring a material selection list, obtaining the material selection list (containing data such as file ID, title, size, date and the like) through a remote interface (which can be in the form of REST/GraphQL/SOAP/gRPC and the like) provided by a media resource system, and returning the material selection list to a calling end through the virtual file system. The process is accomplished in real time in a synchronized manner, enabling the content production tool or resource management application to access the content in the material selection list without any modification.
The material selection list can be set to be independent among users according to the requirement, so that differentiated control of content accessibility is provided according to current login user permission and contextual operations (such as selecting, approving and the like).
After the content production tool converts the material selection list into a material file acquisition request and sends the material file acquisition request to the media resource content exchange device, the material file acquisition request is sent to a media resource system/media content library to acquire corresponding material files and forwards the material files to the content production tool.
Referring to fig. 5, fig. 5 shows a schematic diagram of material content reading according to an embodiment of the present application, where the material content reading mainly converts a local file reading instruction into a database query instruction and a file storage reading instruction, and obtains and synchronously returns file data required by a production tool in real time, and the specific implementation steps are as follows:
a first step of previewing/editing local materials;
a second step, the content production tool sends a read/seek or similar instruction to the media content storage device;
thirdly, a metadata interaction module of the media asset content storage device acquires information such as a media bar code, a storage address and the like on media asset storage corresponding to the material through a media asset database;
a storage medium interaction module of the medium resource content storage device calls a storage medium to read file block data;
and fifthly, the media asset content storage device is used for replacing and returning file block data.
When the content production tool needs to read the content of the material file block (such as playing and analyzing the file), the data conversion device firstly obtains the identification (such as a blue-ray disc bar code) and the storage address (such as a magnetic disc file path) of the media file storage where the file is located from the media file database according to the (read/access/gettar or similar instruction) received by the virtual file system, and the target file is located on the near-line medium, firstly dispatches the medium to the driver through the near-line control module interface, then obtains the file block data through the media file storage reading interface (which can be provided by an S3 storage interface or SSH, SCP, FTP, CIFS, NFS and other modes), and finally returns the file block data to the calling end through the virtual file system. The process is also accomplished in real time in a synchronized manner so that the content production tool can read the material files on the various media stores as if accessing the local disk files.
Because the S3 storage interface uses the HTTP protocol to carry out data transmission, the HTTP protocol is easier to pass through a router and a firewall, the method is more friendly to access in a cross-network-segment or even internet scene than the traditional method, and the method does not depend on advanced network resource sharing setting.
After the content production tool converts the material files into finished files and sends the finished files to the medium resource content exchange device, the finished files are written into a medium resource system/medium content library for storage.
Referring to fig. 6, fig. 6 shows a schematic diagram of finished product content warehousing proposed in the embodiment of the present application, where the finished product content warehousing mainly includes writing and saving the storage of the completed program file into a database, and returning the result to the calling end, where the implementation steps are as follows:
firstly, storing/synthesizing finished programs through a content production tool;
step two, the content production tool sends a create/write or similar instruction to the media content exchange device;
writing file block data into the media data storage through the media data storage interface by a storage medium interaction module in the media data content exchange device;
fourthly, the metadata interaction module in the media asset content exchange device stores the metadata (containing storage information) of the finished program into a media asset database;
and fifthly, the media resource content exchange device returns the disc file writing success mark to the content production tool.
After the content production tool finishes editing and processing the content, the finished content needs to be stored and put in storage. At this time, the data conversion device redirects the file writing operation to the media resource storage, and if the target path is located on the near line medium, the medium is firstly scheduled to the driver through the near line control module interface, and then the file block data is saved through the media resource storage writing interface (which may be an S3 storage interface or a file reading interface provided by SSH, SCP, FTP, CIFS, NFS and other modes). And after the file is stored, calling a metadata storage interface of the media resource system, and storing the program metadata information to a media resource database to finish the storage of the program. After the above process is completed, a success flag is returned to the content production tool through the virtual file system.
Therefore, the method of the media resource content exchange device mainly comprises the following three steps:
the media asset library picks up a list of materials: and (3) acquiring a file list selected from the media asset library by establishing a virtual file system, and displaying the file list in a virtual driver.
Material access and reading: when a client production tool initiates access to a file, a media resource database is queried to obtain information such as media, paths and the like of the related file, then a data reading instruction is sent to media resource storage, data needing to be read is returned in real time, and the production tool is supported to complete the reading operation of the media resource database file.
And (5) writing and storing a finished product: when the client production tool stores the processed file in a driver or a virtual folder, the material file is redirected and written into the media resource storage, and relevant metadata information, storage information and the like are stored in the media resource database, so that the finished product content can be quickly put in storage.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
firstly, the materials which are required to be accessed by the production tool and the generated finished products are directly subjected to content exchange with the media database, so that a user does not need to wait for file migration, and the working efficiency is improved.
Second, because the exchange of the content entity data is only needed when encoding and decoding is performed, unnecessary material file transmission is avoided, and the occupation of network bandwidth can be greatly reduced in a content production environment where 4K video exists in a large amount.
And thirdly, the traditional CIFS/NFS mode is suitable for local area network environment, material files can be transmitted through an object storage data interface and HTTP/HTTPS protocol to access in a cross-multi-route mode, the application range is expanded, and access through the Internet is supported.
Fourth, the media library materials can be directly used without going out of the library, so that the occupation of disk storage at the production end is reduced, and the editing workstation can finish editing and manufacturing of programs without configuring large-capacity material disks.
Fifth, the problem that the access range is difficult to control accurately can be solved by differentiated access according to media resource system users and file granularity and file sharing unit of an operating system.
Sixth, providing a brand new file access form to replace the traditional folder sharing can solve the problem that the file sharing mode is easy to be accessed by unauthorized and spread by virus worms.
Seventh, the problem that the additional file migration step is time-consuming can be solved by providing a real-time file read-write request redirection process and completing the writing of the production tool to the material files stored in the media resource in one step.
Eighth, the problem of extra space occupation caused by the advanced migration and ex-warehouse of the materials and the local temporary storage of finished products is solved, and the material file processing process is completed in the internal memory without being stored in a local physical disk.
Ninth, for the problem of rights management after the content is delivered out of stock, the content is not kept for a long time outside the media asset storage after the method of the invention is used, so that the copy free from the media asset system is not existed.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.
Claims (9)
1. A media asset content exchange device, wherein the media asset content exchange device is respectively connected with a media asset system/media content library and a content production tool, and the media asset content exchange device creates a driver or a virtual folder;
the media resource content exchange device is used for acquiring file information from a media resource system/media content library according to the need when the content production tool sends a list operation to a driver or a virtual folder, and organizing the file information into a file list and sending the file list to the content production tool for display;
redirecting the reading operation instruction to a media resource system/media content library when receiving the reading operation instruction sent by the content production tool, obtaining a material file from the media resource storage, and sending the material file to the content production tool for processing operation to obtain a finished product file;
after receiving the finished file sent by the content production tool, converting the writing operation instruction of the content production tool into a medium resource storage writing operation instruction, and writing the finished file into a medium resource system/medium content library for storage according to the medium resource storage writing operation instruction.
2. The media asset content exchange device of claim 1, wherein the media asset content exchange device comprises a virtual file system module for creating a virtual file system through a user space file system to obtain a list of files selected in a media asset system/media content library, supporting a content production tool or a resource management application to read and write the virtual file system.
3. The media asset content exchange device of claim 1, wherein the media asset content exchange device comprises a metadata interaction module for converting the received read operation instruction into a read instruction for the material selection list, converting the material files returned by the media asset system/media content library into data conforming to the standard operating system file I/O, and transmitting the data back to the virtual file system module.
4. The media asset content exchange device of claim 2, wherein the metadata interaction module is further configured to obtain metadata information from the media asset database according to the file block read command received by the virtual file system module, in preparation for reading the actual file content, the metadata information including description information and storage information of the file itself.
5. The media asset content exchange device of claim 2, wherein the metadata interaction module is further configured to store metadata information to the database after the production file is written to the media asset store.
6. The media asset content exchange device of claim 1, further comprising a storage medium interaction module for scheduling the relevant medium to enter a drive or a virtual folder according to a file block reading instruction of the virtual file system module and the medium information obtained from the metadata interaction module, and calling a media asset storage read-write interface to complete reading and writing of file block data.
7. The media asset content exchange device of claim 6, wherein the media asset storage read-write interface comprises an S3 storage interface or a file access interface provided by SSH, SCP, FTP, CIFS, NFS.
8. The media asset content exchange device of claim 1, wherein the media asset store is one or more of a disk array, lan Guangku, tape library.
9. A method for exchanging media asset content, wherein the method is applied to a media asset content exchanging device, the media asset content exchanging device is respectively connected with a media asset system/media content library and a content production tool, the media asset content exchanging device comprises a virtual file system module, the virtual file system module comprises a driver or a virtual folder, and the method comprises:
receiving a file list acquisition request sent by a content production tool, converting the file list acquisition request into a material selection list inquiry request, and sending the material selection list inquiry request to a media resource system/media content library to acquire a material selection list and returning the material selection list to the content production tool;
after the content production tool converts the material selection list into a material file acquisition request and sends the material file acquisition request to the media resource content exchange device, sending the material file acquisition request to a media resource system/media content library to acquire corresponding material files and presenting the corresponding material files to the content production tool;
after the content production tool processes the material files into finished files and sends the finished files to the medium resource content exchange device, the finished files are written into a medium resource system/medium content library for storage.
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