CN101520793A - Method and system for storing and reading stream media file and stream media server - Google Patents
Method and system for storing and reading stream media file and stream media server Download PDFInfo
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- CN101520793A CN101520793A CN200810241756A CN200810241756A CN101520793A CN 101520793 A CN101520793 A CN 101520793A CN 200810241756 A CN200810241756 A CN 200810241756A CN 200810241756 A CN200810241756 A CN 200810241756A CN 101520793 A CN101520793 A CN 101520793A
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Abstract
The invention belongs to the technical field of digital signal processing, and provides a method and a system for storing and reading a stream media file and a stream media server, wherein the method for storing the stream media file comprises: splitting the stream media file into at least two stream media subfiles; splitting each split stream media subfile into at least one block file, and pre-storing the block file by using the split stream media subfile as a unit; and establishing and pre-storing the index information of the pre-stored at least two stream media subfiles and each block file in the stream media subfiles. In the method, by storing the stream media file by blocking, simultaneously establishing and storing the index information of each block file, acquiring the corresponding stored address information in the pre-stored index information after a stream media service request signal is received, further acquiring the stream media block file in the pre-stored stream media subfiles and outputting the stream media block file by impellent stream, the method improves the reading efficiency of stream media data during stream media service, and has strong applicability.
Description
Technical field
The invention belongs to digital signal processing technique field, relate in particular to a kind of files in stream media storage and read method, system and streaming media server.
Background technology
Usually adopt the Linux streaming Media File System that files in stream media is stored at present.The Linux streaming Media File System is a complete file system, with kernel contact closely, is not suitable for the follow-up exploitation transparency and in carrying out the streaming media service process, the reading efficiency of stream medium data is low, and applicability is poor.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of files in stream media storage means, and when being intended to solve prior art and adopting the Linux streaming Media File System to carry out the streaming media service process, the reading efficiency of stream medium data is low, the problem of applicability difference.
The embodiment of the invention is achieved in that a kind of files in stream media storage means, and described method comprises:
Files in stream media is split at least two Streaming Media son files;
Each Streaming Media son file that described fractionation is obtained splits at least one block file and is that unit prestores with the Streaming Media son file that fractionation obtains;
Set up the index information of described at least two Streaming Media son files that prestore and wherein each block file and prestore.
Another purpose of the embodiment of the invention is to provide a kind of files in stream media storage system, and described system comprises:
Files in stream media is set up the unit, is used for files in stream media is split at least two Streaming Media son files, and each Streaming Media son file that described fractionation obtains is split at least one block file.
Files in stream media storage unit, the described files in stream media that is used to prestore are set up the unit, and to split at least two the Streaming Media son files and the wherein each block file that obtain be that unit prestores with the Streaming Media son file.
Index information is set up the unit, is used to set up at least two the Streaming Media son files of described files in stream media cell stores and the index information of wherein each block file;
The index information storage unit, the described index information that is used to prestore is set up the index information that the unit is set up.
Another purpose of the embodiment of the invention is to provide kind of an a kind of streaming media server, comprises first-class media file storage system, and described files in stream media storage system adopts aforesaid system.
Another purpose of the embodiment of the invention is to provide a kind of files in stream media read method, said method comprising the steps of:
The receiving stream media service request signal;
According to the streaming media service request signal that receives, obtain corresponding storage address information in the index information that prestores;
According to the described storage address information that gets access to, obtain Streaming Media block file and plug-flow output in the Streaming Media son file that prestores.
Another purpose of the embodiment of the invention is to provide a kind of files in stream media reading system, and described system comprises:
Signal receiving unit is used for the receiving stream media service request signal;
Address acquisition unit is used for the streaming media service request signal that receives according to described signal receiving unit, obtains corresponding storage address information in the index information that prestores;
The plug-flow unit is used for the storage address information that gets access to according to described address acquisition unit, obtains Streaming Media block file and plug-flow output in the Streaming Media son file that prestores.
Another purpose of the embodiment of the invention is to provide a kind of streaming media server, comprises a files in stream media reading system, it is characterized in that, described files in stream media reading system adopts aforesaid system.
In the embodiment of the invention, files in stream media is carried out the piecemeal storage, set up and store the index information of each block file simultaneously, after receiving the streaming media service request signal, obtain corresponding storage address information in the index information that prestores, and then obtain Streaming Media block file in the Streaming Media son file that prestores and plug-flow output, and having improved the reading efficiency of stream medium data in carrying out the streaming media service process, applicability is strong.
Description of drawings
Fig. 1 is the process flow diagram of the files in stream media storage means that provides of the embodiment of the invention;
Fig. 2 is the principle assumption diagram of the files in stream media storage system that provides of the embodiment of the invention;
Fig. 3 is the process flow diagram of the files in stream media read method that provides of the embodiment of the invention;
Fig. 4 is the principle assumption diagram of the files in stream media reading system that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In the embodiment of the invention, files in stream media is carried out the piecemeal storage, set up and store the index information of each block file simultaneously, after receiving the streaming media service request signal, obtain corresponding storage address information in the index information that prestores, and then obtain Streaming Media block file and plug-flow output in the Streaming Media son file that prestores.
Fig. 1 shows the flow process of the files in stream media storage means that the embodiment of the invention provides.
In step S101, files in stream media is split at least two Streaming Media son files.
In step S102, each Streaming Media son file that fractionation is obtained splits at least one block file and is the unit storage with the Streaming Media son file that fractionation obtains.
In step S103, set up at least two the Streaming Media son files of storage and the index information and the storage of wherein each block file, this index information comprises the address information of each block file at least two Streaming Media son files of storage.Preferably, the disk array mode of employing RAID0 standard realizes the storage to files in stream media and index information thereof.
In addition, after step S103, also further comprise the step of foundation and storage backup files in stream media and mirror image index information, be specially: at least two Streaming Media son files and wherein each block file in the files in stream media of storage are carried out mirror back-up, generate the backup stream media file; The backup stream media file of storage backup; Set up at least two the Streaming Media son files of backup and the mirror image index information of wherein each block file, this mirror image index information has comprised the address information of each block file at least two Streaming Media son files that back up; The mirror image index information that storage is set up.Preferably, the disk array mode of employing RAID5 standard realizes the storage to backup stream media file and mirror image index information thereof.
Further, carry out mirror back-up at files in stream media to storage, generate the backup stream media file, and to further may further comprise the steps after its step of storing: judging whether the Streaming Media block file that prestores damages, is the storage address information of then obtaining the Streaming Media block file of this damage in the index information that prestores; Compare by storage address information and the mirror image index information that will obtain, obtain the Streaming Media block file that backs up accordingly with the Streaming Media block file that damages in the backup stream media file, and it is replaced the Streaming Media block file of the damage that prestores.
Fig. 2 shows the theory structure of the files in stream media storage system that the embodiment of the invention provides.
Files in stream media is set up unit 101 and is used to set up files in stream media, and concrete establishment step is: files in stream media is split at least two Streaming Media son files; Each Streaming Media son file that fractionation is obtained splits at least one block file.It is that unit stores with the Streaming Media son file that files in stream media storage unit 102 is set up at least two Streaming Media son files and the wherein each block file set up unit 101 with files in stream media.Index information is set up unit 103 and is used to set up at least two the Streaming Media son files of files in stream media storage unit 102 storages and the index information of wherein each block file, this index information has comprised the address information of each block file at least two Streaming Media son files of storing, and is stored by the index information of 104 pairs of foundation of index information storage unit.Preferably, the disk array mode of files in stream media storage unit 102 and index information storage unit 104 employing RAID0 standards realizes the storage to files in stream media and index information thereof.
In addition, in the embodiment of the invention, stream media service system can further include the backup stream media file and sets up unit 105, at least two the Streaming Media son files and the wherein each block file that are used for the files in stream media that convection current media file storage unit 102 prestores carry out mirror back-up, generate the backup stream media file.The backup stream media file that unit 105 backup is set up with the backup stream media file in backup stream media file storage unit 106 carries out mirror image and prestores.The mirror image index information is set up unit 107 and is used to set up the backup stream media file and sets up at least two the Streaming Media son files of unit 105 backups and the mirror image index information of wherein each block file, this mirror image index information has comprised the address information of each block file at least two Streaming Media son files that back up, and is prestored by the mirror image index information of 108 pairs of foundation of mirror image index information storage unit.Preferably, the disk array mode of backup stream media file storage unit 106 and mirror image index information storage unit 108 employing RAID5 standards realizes the storage to backup stream media file and mirror image index information thereof.
The files in stream media storage system that the embodiment of the invention provides can be hardware cell, software unit or the software and hardware combining unit that places streaming media server.
Fig. 3 shows the flow process of the files in stream media acquisition methods that the embodiment of the invention provides.
In step S201, the receiving stream media service request signal.
In step S202,, obtain corresponding storage address information in the index information that prestores according to the streaming media service request signal.
In step S203,, obtain Streaming Media block file and plug-flow output in the Streaming Media son file that prestores according to the storage address information of obtaining.
Fig. 4 shows the theory structure of the files in stream media reading system that the embodiment of the invention provides.
The files in stream media reading system that the embodiment of the invention provides can be hardware cell, software unit or the software and hardware combining unit that places streaming media server.
In the embodiment of the invention, files in stream media is carried out the piecemeal storage, set up and store the index information of each block file simultaneously, after receiving the streaming media service request signal, obtain corresponding storage address information in the index information that prestores, and then obtain Streaming Media block file in the Streaming Media son file that prestores and plug-flow output, and having improved the reading efficiency of stream medium data in carrying out the streaming media service process, applicability is strong; Have, each block file of files in stream media is carried out mirror back-up, make when a certain block file in the files in stream media damages, can realize the mirror image replacement, applicability is strong.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is can control relevant hardware by program to finish, described program can be in being stored in a computer read/write memory medium, described storage medium is as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of files in stream media storage means is characterized in that, said method comprising the steps of:
Files in stream media is split at least two Streaming Media son files;
Each Streaming Media son file that fractionation is obtained splits at least one block file and is that unit prestores with the Streaming Media son file that fractionation obtains;
At least two the Streaming Media son files that foundation prestores and the index information of wherein each block file also prestore.
2, files in stream media storage means as claimed in claim 1, it is characterized in that, described method is after the index information of at least two Streaming Media son files that described foundation prestores and wherein each block file and the step that prestores, further comprise the step of foundation and storage backup files in stream media and mirror image index information, be specially:
At least two Streaming Media son files and wherein each block file in the files in stream media of storage are carried out mirror back-up, generate the backup stream media file;
Store the backup stream media file of described backup;
The mirror image index information of at least two Streaming Media son files and wherein each block file in the backup stream media file of foundation storage;
Store the mirror image index information of described foundation.
3, files in stream media storage means as claimed in claim 2 is characterized in that, described method further may further comprise the steps after the step of described foundation and storage backup files in stream media and mirror image index information:
Judging whether the described Streaming Media block file that prestores damages, is the storage address information of then obtaining the Streaming Media block file of this damage in the described index information that prestores;
By the mirror image index information of described storage address information that gets access to and described storage is compared, obtain in the backup stream media file of described storage the Streaming Media block file with the corresponding backup of the Streaming Media block file that damages, and it is replaced the Streaming Media block file of the described damage that prestores.
4, a kind of files in stream media storage system is characterized in that, described system comprises:
Files in stream media is set up the unit, is used for files in stream media is split at least two Streaming Media son files, and each Streaming Media son file that described fractionation obtains is split at least one block file.
Files in stream media storage unit, the described files in stream media that is used to prestore are set up the unit, and to split at least two the Streaming Media son files and the wherein each block file that obtain be that unit prestores with the Streaming Media son file.
Index information is set up the unit, is used to set up at least two the Streaming Media son files of described files in stream media cell stores and the index information of wherein each block file;
The index information storage unit, the described index information that is used to prestore is set up the index information that the unit is set up.
5, files in stream media storage system as claimed in claim 4 is characterized in that, described system further comprises:
The backup stream media file is set up the unit, and at least two the Streaming Media son files and the wherein each block file that are used for files in stream media that described files in stream media storage unit is prestored carry out mirror back-up, generates the backup stream media file;
Backup stream media file storage unit is used to store the backup stream media file that described backup stream media file is set up unit backup;
The mirror image index information is set up the unit, sets up the mirror image index information of at least two Streaming Media son files and wherein each block file in the backup stream media file of described backup stream media file storage unit storage;
Mirror image index information storage unit is used to store described mirror image index information and sets up the mirror image index information that the unit is set up.
6, files in stream media storage system as claimed in claim 5 is characterized in that, described system further comprises:
Judging unit is used to judge whether the Streaming Media block file that described files in stream media storage unit prestores damages;
The backup file acquiring unit, when the Streaming Media block file that is used for prestoring when the described files in stream media storage unit of described judgment unit judges damages, obtain the storage address information of the Streaming Media block file of this damage in the index information that described index information storage unit prestores, and by the mirror image index information of described storage address information that gets access to and described mirror image index information cell stores is compared, obtain in the backup stream media file of described backup stream media file storage unit storage the Streaming Media block file with the corresponding backup of the Streaming Media block file that damages, and it is replaced the Streaming Media block file of the damage that described files in stream media storage unit prestores.
7, a kind of streaming media server comprises first-class media file storage system, it is characterized in that, described files in stream media storage system adopts as each described system of claim 4 to 6.
8, a kind of files in stream media read method is characterized in that, said method comprising the steps of:
The receiving stream media service request signal;
According to the streaming media service request signal that receives, obtain corresponding storage address information in the index information that prestores;
According to the described storage address information that gets access to, obtain Streaming Media block file and plug-flow output in the Streaming Media son file that prestores.
9, a kind of files in stream media reading system is characterized in that, described system comprises:
Signal receiving unit is used for the receiving stream media service request signal;
Address acquisition unit is used for the streaming media service request signal that receives according to described signal receiving unit, obtains corresponding storage address information in the index information that prestores;
The plug-flow unit is used for the storage address information that gets access to according to described address acquisition unit, obtains Streaming Media block file and plug-flow output in the Streaming Media son file that prestores.
10, a kind of streaming media server comprises a files in stream media reading system, it is characterized in that, described files in stream media reading system adopts system as claimed in claim 9.
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| CN200810241756A CN101520793A (en) | 2008-12-30 | 2008-12-30 | Method and system for storing and reading stream media file and stream media server |
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| WO2010145573A1 (en) * | 2009-10-23 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for displaying streaming media, and streaming media management server |
| CN102045399A (en) * | 2010-12-30 | 2011-05-04 | 中国联合网络通信集团有限公司 | Cloud computing mode file system and file reading method |
| CN102137163A (en) * | 2011-03-22 | 2011-07-27 | Tcl集团股份有限公司 | Multimedia file sharing system and method |
| CN102271140A (en) * | 2011-09-05 | 2011-12-07 | 盛大计算机（上海）有限公司 | Identity authentication method, device and system |
| CN102413358A (en) * | 2011-08-12 | 2012-04-11 | 青岛海信传媒网络技术有限公司 | Storage and playing method, device and system of streaming media file |
| CN103778025A (en) * | 2012-10-22 | 2014-05-07 | 深圳市腾讯计算机***有限公司 | Storage method and storage device |
| CN104320410A (en) * | 2014-11-11 | 2015-01-28 | 南京优速网络科技有限公司 | All-service CDN system based on HTTP and working method thereof |
| CN111343225A (en) * | 2018-12-19 | 2020-06-26 | 北京奇虎科技有限公司 | File processing method and device |
| CN117331575A (en) * | 2023-10-09 | 2024-01-02 | 上海合芯数字科技有限公司 | Firmware restoration method, device, controller and storage medium |
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| WO2010145573A1 (en) * | 2009-10-23 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for displaying streaming media, and streaming media management server |
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| CN104320410A (en) * | 2014-11-11 | 2015-01-28 | 南京优速网络科技有限公司 | All-service CDN system based on HTTP and working method thereof |
| CN111343225A (en) * | 2018-12-19 | 2020-06-26 | 北京奇虎科技有限公司 | File processing method and device |
| CN111343225B (en) * | 2018-12-19 | 2024-04-09 | 三六零科技集团有限公司 | File processing method and device |
| CN117331575A (en) * | 2023-10-09 | 2024-01-02 | 上海合芯数字科技有限公司 | Firmware restoration method, device, controller and storage medium |
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