CN104349174A - Audio/video data transmission system, audio/video data storage method, audio/video data generation method, audio/video data storage device, audio/video data generation device, audio/video data storage equipment and audio/video data generation equipment - Google Patents
Audio/video data transmission system, audio/video data storage method, audio/video data generation method, audio/video data storage device, audio/video data generation device, audio/video data storage equipment and audio/video data generation equipment Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 238000013500 data storage Methods 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000005538 encapsulation Methods 0.000 claims description 51
- 125000006850 spacer group Chemical group 0.000 claims description 29
- 241001269238 Data Species 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23109—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion by placing content in organized collections, e.g. EPG data repository
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23418—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
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Abstract
The embodiment of the invention provides an audio/video data transmission system, an audio/video data storage method, an audio/video data generation method, an audio/video data storage device, an audio/video data generation device, audio/video data storage equipment and audio/video data generation equipment. An application server positioned at an external information network is used for converting collected audio data into character audio/video data; the data and corresponding storage positions are sent to a database server positioned at an internal information network; an information safety isolation device is used for isolating the trusty internal information network from a trustless external information network, intercepting the character audio/video data sent by the application server and the storage positions and detecting the intercepted data according to preset packet filtering rules; the data server positioned in the internal information network is used for receiving a character audio/video data forwarded by the information safety isolation device and the storage positions and storing the data into the storage positions correspondingly. Therefore, the problems that the audio/video data can not be stored into the data server and the audio/video data transmitted into the database server from the network can not be guaranteed to be the safe audio/video data in the prior art can be solved.
Description
Technical field
The present invention relates to video delivery network technical field, particularly relate to audio, video data transmission system, storage and generation method, device and equipment.
Background technology
In prior art, due to business demand, information Intranet can adopt the form storage service data of database, when the application server of information outer net sends business datum to the database server in information Intranet, this application server can use SQL (SQL, Structured Quevy Language) statement characterize need transmission business datum, and this business datum needs the position of the database server be arranged in, and be transferred to database server after SQL statement being encapsulated by procotol.Such as, when the application server business datum of information outer net is global positioning system (GPS, Global Position System) data, adopt following step that this gps data is transferred to the database server in information Intranet:
Latitude information curLatitude in step 1, the receiving time information curRcvTime obtaining gps data, this gps data and longitude information curLongitude;
Step 2, use the Insert statement in SQL statement, that is: INSERT INTO GpsInfo VALUES (curRcvTime, curLatitude, curLongitude), characterize and need the data of transmission to be the business datum obtained in step 1, and this business datum needs the position of the database server be arranged in be, the database that DatabaseInfo(sets up in advance in database server) in GpsInfo table (tables of data set up in advance in DatabaseInfo database), and each list item of GpsInfo table characterizes the receiving time information of gps data respectively, latitude information in this gps data, and longitude information, and by agreement, this Insert statement of encapsulation is sent to database server in information Intranet,
Database server in step 3, information Intranet receives the packet carrying this Insert statement that application server sends, and resolves this packet, and performs this Insert statement.The execution result of this Insert statement is by each specifying information value of receiving time information, latitude information and the longitude information in the gps data of acquisition, as the content of GpsInfo table, stored under list item corresponding in GpsInfo table.
By above-mentioned gps data stored in the database of information intranet data storehouse server in after, the client in information Intranet can use the select statement in SQL statement to inquire about each gps data of comprising in GpsInfo table.
But due to the character of database self, database can only store the data of textual form, and cannot store with the data of data-stream form existence for Voice & Video etc.Therefore, when the business datum of the client of information outer net be audio frequency and video etc. exist with data-stream form data time, also just by this business data transmission to the database server in information Intranet, more cannot cannot ensure that this business datum be transferred in database server is safe business datum.
Summary of the invention
Embodiments provide audio, video data transmission system, storage and generation method, device and equipment, audio, video data cannot be stored in data server in order to solve in prior art, and cannot ensure to be the problem of safe audio, video data to the audio, video data in database server by Internet Transmission.
Based on the problems referred to above, a kind of audio, video data transmission system that the embodiment of the present invention provides, comprises the application server, the information security spacer assembly that are positioned at information outer net and is positioned at the database server of information Intranet:
The described application server being positioned at information outer net, for being converted to character audio, video data by the audio, video data collected; Send described character audio, video data to the described database server being positioned at information Intranet, and described audio, video data will in the described memory location being arranged in the database server of Intranet;
Described information security spacer assembly, for information Intranet trusty and fly-by-night information outer net are isolated, the described character audio, video data that the application server being positioned at information outer net described in interception sends, and described memory location, and according to the described character audio, video data of default packet filtering rules to interception, and described memory location is detected; To qualified described character audio, video data be detected, and described memory location be transmitted to described in be positioned at the database server of information Intranet;
The described database server being positioned at information Intranet, for receiving the described character audio, video data that described information security spacer assembly forwards, and described memory location; By corresponding for described character audio, video data stored in described memory location.
A kind of audio, video data storage means that the embodiment of the present invention provides, comprising:
According to the encapsulation format of audio, video data, code stream analyzing is carried out to described audio, video data, obtain the audio, video data frame in described audio, video data;
Obtain in the frame head of described audio, video data frame the property value that each attribute of the described audio, video data frame comprised is corresponding, and the frame data of described audio, video data frame;
Described frame data are carried out character code, obtains the frame data of character;
By corresponding in database for the frame data of each property value of described audio, video data frame and character.
A kind of audio, video data generation method that the embodiment of the present invention provides, comprising:
From database, obtain the property value that each attribute of the described audio, video data frame comprised in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of described audio, video data frame;
The frame data of described character are carried out Character decoder, obtains the frame data of code stream;
The property value corresponding according to each attribute of described audio, video data frame, and the frame data of the code stream of described audio, video data frame, generate audio, video data frame;
The audio, video data frame of generation is packaged into audio, video data.
A kind of audio, video data storage device that the embodiment of the present invention provides, comprising:
Parsing module, for the encapsulation format according to audio, video data, carries out code stream analyzing to described audio, video data, obtains the audio, video data frame in described audio, video data;
Acquisition module, the property value that each attribute for obtaining the described audio, video data frame comprised in the frame head of described audio, video data frame is corresponding, and the frame data of described audio, video data frame;
Character code module, for described frame data are carried out character code, obtains the frame data of character;
Memory module, for by corresponding for the frame data of each property value of described audio, video data frame and character stored in database.
A kind of audio, video data memory device that the embodiment of the present invention provides, comprises above-mentioned a kind of audio, video data storage device.
A kind of audio, video data generating apparatus that the embodiment of the present invention provides, comprising:
Acquisition module, for from database, obtains the property value that each attribute of the described audio, video data frame comprised in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of described audio, video data frame;
Character decoder module, for the frame data of described character are carried out Character decoder, obtains the frame data of code stream;
Generation module, for the property value corresponding according to each attribute of described audio, video data frame, and the frame data of the code stream of described audio, video data frame, generate audio, video data frame;
Package module, for being packaged into audio, video data by the audio, video data frame of generation.
A kind of audio, video data that the embodiment of the present invention provides generates equipment, comprises above-mentioned a kind of audio, video data generating apparatus.
The beneficial effect of the embodiment of the present invention comprises:
The audio, video data transmission system that the embodiment of the present invention provides, storage and generation method, device and equipment, be positioned at the application server of information outer net, and the audio, video data collected is converted to character audio, video data; Send described character audio, video data to the database server being positioned at information Intranet, and audio, video data will in the memory location of database server being arranged in Intranet; Information security spacer assembly, information Intranet trusty and fly-by-night information outer net are isolated, the character audio, video data that the application server that interception is positioned at information outer net sends, and memory location, and according to the character audio, video data of default packet filtering rules to interception, and memory location is detected; Qualified character audio, video data will be detected, and memory location is transmitted to the database server being positioned at information Intranet; Be positioned at the database server of information Intranet, the character audio, video data that received information safety spacer assembly forwards, and memory location; By corresponding for character audio, video data stored in memory location.The application server being positioned at information outer net makes audio, video data to store in a database by audio, video data audio, video data being converted to character, and for being positioned at the database server of information Intranet, by the information security spacer assembly that information Intranet trusty and fly-by-night information outer net are carried out isolating, tackle and the audio, video data of the character of Detection Information outer net transmission, the audio, video data of character by detecting is sent to information Intranet and stored in database server, to ensure that by Internet Transmission to the audio, video data in database server to be safe audio, video data.Be positioned at the application server of information Intranet, when obtaining audio, video data from database, the audio, video data of character converted to the audio, video data of code stream, the audio, video data of reduction can be obtained and play.
Accompanying drawing explanation
A kind of audio, video data transmission system schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The flow chart of a kind of audio, video data storage means that Fig. 2 provides for the embodiment of the present invention;
The flow chart of a kind of audio, video data generation method that Fig. 3 provides for the embodiment of the present invention;
The flow chart of a kind of audio, video data storage means that Fig. 4 provides for the embodiment of the present invention one;
The flow chart of a kind of audio, video data generation method that Fig. 5 provides for the embodiment of the present invention three;
The structural representation of a kind of audio, video data storage device that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of audio, video data generating apparatus that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Embodiments provide audio, video data transmission system, storage and generation method, device and equipment, below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein, only for instruction and explanation of the present invention, is not intended to limit the present invention.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
A kind of audio, video data transmission system that the embodiment of the present invention provides, as shown in Figure 1, specifically comprises: be positioned at the application server 101 of information outer net, information security spacer assembly 102 and be positioned at the database server 103 of information Intranet:
Be positioned at the application server 101 of information outer net, for the audio, video data collected is converted to character audio, video data; Send character audio, video data to the database server 103 being positioned at information Intranet, and audio, video data will in the memory location of database server 103 being arranged in Intranet;
Information security spacer assembly 102, for information Intranet trusty and fly-by-night information outer net are isolated, the character audio, video data that the application server 101 that interception is positioned at information outer net sends, and memory location, and according to the character audio, video data of default packet filtering rules to interception, and memory location is detected; Qualified character audio, video data will be detected, and memory location is transmitted to the database server 103 being positioned at information Intranet;
Be positioned at the database server 103 of information Intranet, for the character audio, video data that received information safety spacer assembly 102 forwards, and memory location; By corresponding for character audio, video data stored in memory location.
Further, in order to the safety of guarantee information Intranet, the audio, video data transmission system that the embodiment of the present invention provides provides information security spacer assembly 102, information Intranet trusty and fly-by-night information outer net are isolated, the business datum being sent to information Intranet from information outer net is detected, just can enter information Intranet by the data detected.
A kind of audio, video data storage means that the embodiment of the present invention provides, as shown in Figure 2, specifically comprises the following steps:
S201, encapsulation format according to audio, video data, carry out code stream analyzing to above-mentioned audio, video data, obtain the audio, video data frame in above-mentioned audio, video data.
S202, obtain property value corresponding to each attribute of the above-mentioned audio, video data frame comprised in the frame head of above-mentioned audio, video data frame, and the frame data of above-mentioned audio, video data frame.
S203, above-mentioned frame data are carried out character code, obtain the frame data of character.
S204, by corresponding for the frame data of each property value of above-mentioned audio, video data frame and character stored in database.
Further, in above-mentioned steps S201, the encapsulation format of audio, video data refers to the encapsulation format of voice data (such as: mp3 etc.), or the encapsulation format of video data (such as: avi etc.).The storage means of a kind of audio, video data that the embodiment of the present invention provides is applicable to the voice data needing usage data library storage, is also applicable to the video data needing usage data library storage.
Corresponding to method shown in above-mentioned Fig. 2, the embodiment of the present invention also provides a kind of audio, video data generation method, as shown in Figure 3, specifically comprises the following steps:
S301, from database, obtain the property value that each attribute of above-mentioned audio, video data frame of comprising in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of above-mentioned audio, video data frame.
S302, the frame data of above-mentioned character are carried out Character decoder, obtain the frame data of code stream.
S303, the property value corresponding according to each attribute of above-mentioned audio, video data frame, and the frame data of the code stream of above-mentioned audio, video data frame, generate audio, video data frame.
S304, the audio, video data frame of generation is packaged into audio, video data.
Further, a kind of audio, video data generation method that the embodiment of the present invention provides is applicable to need the voice data of usage data library storage, is also applicable to the video data needing usage data library storage.
Below in conjunction with accompanying drawing, with specific embodiment, method provided by the invention, device and equipment are described in detail.
Embodiment one:
A kind of audio, video data storage means flow chart that Fig. 4 provides for embodiment one, concrete steps are as follows:
S401, encapsulation format according to audio, video data, carry out code stream analyzing to audio, video data, obtain the audio, video data frame in above-mentioned audio, video data.
Further, if need the data of usage data library storage to be voice data in this step, such as, usage data library storage encapsulation format is the voice data of mp3, according to the encapsulation format of mp3, code stream analyzing is carried out to voice data, first parse header tag and the afterbody label of whole voice data, these two parts data are character datas, can directly store in a database, then the element of voice data is parsed, i.e. mp3 Frame.
In like manner, if need the data of usage data library storage to be video data in this step, such as, usage data library storage encapsulation format is the video data of specifying encapsulation format, in the video data of this appointment encapsulation format, voice data and view data are separately packaged into audio data frame and image data frame respectively, according to this appointment encapsulation format, code stream analyzing is carried out to this video data, first the header information of whole video data is parsed, the header information of this character style can be stored in a database, then audio data frame and image data frame is parsed.
S402, obtain property value corresponding to each attribute of the above-mentioned audio, video data frame comprised in the frame head of above-mentioned audio, video data frame, and the frame data of above-mentioned audio, video data frame.
In this step, for the voice data of above-mentioned mp3 encapsulation format, to each the mp3 Frame parsed, obtain the property value that the attribute such as mp3 bit rate, sample rate, version that comprises in the frame head of this mp3 Frame is corresponding, and the frame data of the code stream form of this mp3 Frame.
In like manner, for the video data of above-mentioned appointment encapsulation format, to each audio data frame parsed, obtain the property value that the attributes such as the frame number of the audio data frame comprised in the frame head of this audio data frame, timestamp, sample rate are corresponding, and the frame data of the code stream form of this audio data frame; To each image data frame parsed, obtain the property value that the attributes such as the frame number of the image data frame comprised in this image data frame, timestamp, resolution are corresponding, and the frame data of the code stream form of this image data frame.
S403, by the above-mentioned frame data of code stream form, generate multiple character using every 8 as a byte, obtain the frame data of character.
In this step, because can only the data of store character form in database, and the frame data in audio, video data in each frame be data of code stream form, cannot directly stored in database, need the frame data frame data of code stream form being converted to character, restore in database.
Particularly, in voice data for mp3 encapsulation format, frame data in each frame mp3 Frame, and specify in the video data of encapsulation format, frame data in frame data in each frame audio data frame, each frame image data frame, all these frame data can be generated multiple character using every 8 as a byte, obtain the frame data of character.
S404, obtain the type of above-mentioned audio, video data frame.
For the voice data of mp3 encapsulation format, the frame type of this voice data is mp3 Frame; To the video data of above-mentioned appointment encapsulation format, the frame type of this video data is the audio data frame parsed, and the image data frame parsed.
S405, by each property value of above-mentioned audio, video data frame, and the frame data of character, corresponding in tables of data corresponding with the type of above-mentioned audio, video data frame in database, wherein, above-mentioned tables of data is set up in advance according to the type of above-mentioned audio, video data frame, and above-mentioned tables of data comprises list item corresponding with the frame data of above-mentioned each attribute and above-mentioned character respectively.
In this step, to the voice data of mp3 encapsulation format, according to mp3 data frame type, set up tables of data in advance, and this tables of data comprises the list item corresponding with each attribute of this mp3 Frame and the frame data of character.Such as, tables of data comprises at least four list items: mp3 bit rate, sample rate, version, frame data, by the correspondence position of the content of the correspondence in each mp3 Frame of obtaining in above-mentioned steps S402 stored in this tables of data list item.
In like manner, to the video data of above-mentioned appointment encapsulation format, according to the audio data frame parsed, for this audio data frame sets up tables of data, and comprise the list item corresponding with each attribute of this audio data frame and the frame data of character in this tables of data, such as, this tables of data comprises at least four list items: mp3 bit rate, sample rate, version, frame data, by the correspondence position of the content of the correspondence in each audio data frame of obtaining in above-mentioned steps S402 stored in this tables of data list item; According to the image data frame parsed, for this image data frame sets up tables of data, and comprise the list item corresponding with each attribute of this image data frame and the frame data of character in this tables of data, such as this tables of data comprises at least four list items: frame number, timestamp, resolution, frame data, by the correspondence position of the content of the correspondence in each image data frame of obtaining in above-mentioned steps S402 stored in this tables of data list item.
In this step, sql like language can be used to database purchase audio, video data.For the video data of above-mentioned appointment encapsulation format, tentation data storehouse is DataInfo, for the tables of data in the DataInfo database that the image data frame parsed in video data is set up is VideoInfo, and the list item in VideoInfo table comprises: frame number nFrame, timestamp time, resolution WH, and the video data VideoData of character, by following SQL statement, the frame data of property value corresponding for the frame head attribute of a certain image data frame parsed in above-mentioned steps S402 and character are shown stored in VideoInfo: INSERT INTO VideoInfo VALUES (nFrame, time, WH, videoData), after this statement performs, make the frame data of property value that the frame head attribute of this image data frame parsed is corresponding and character stored under the corresponding list item of VideoInfo tables of data.
Further, can SQL statement be passed through, obtain the information be stored in the tables of data of database, such as, can pass through select*from VideoInfo statement, obtain the information that in VideoInfo table, * refers to.
S406, by corresponding for the encapsulation format of above-mentioned audio, video data each property value of above-mentioned audio, video data frame and the frame data of character stored in above-mentioned database.
Further, the execution of this step and the execution of above-mentioned steps S401-S405 do not have strict sequencing.
Embodiment two:
Embodiment two provides in a kind of audio, video data transmission system, specifically comprises:
Be positioned at the application server of information outer net, specifically for the encapsulation format according to audio, video data, code stream analyzing carried out to audio, video data, obtain the audio, video data frame in audio, video data; Obtain the property value that each attribute of the audio, video data frame comprised in the frame head of audio, video data frame is corresponding, and the frame data of audio, video data frame; Frame data are carried out character code, obtains the frame data of character; Send each property value of audio, video data frame and the frame data of character to the database server being positioned at information Intranet, and the frame data of each property value of audio, video data frame and character will carry out the memory location of corresponding stored in database server;
Information security spacer assembly, specifically for information Intranet trusty and fly-by-night information outer net are isolated, each property value of the audio, video data frame that the application server adopting the interception of SQL communication mechanism to be positioned at information outer net sends, and the frame data of character, and memory location; Adopt and preset each property value of packet filtering rules to the audio, video data frame received and the frame data of character, and Filter Examination is carried out in memory location, obtains Filter Examination result; When filtration testing result is for meeting default packet filtering rules, by each property value of audio, video data frame and the frame data of character, and memory location is transmitted to the database server being positioned at information Intranet;
Be positioned at the database server of information Intranet, each property value of audio, video data frame forwarded specifically for received information safety spacer assembly and the frame data of character, and memory location; By corresponding to memory location for the frame data of each property value of audio, video data frame and character.
Further, audio, video data is converted to the process of the audio, video data of character by the application server of what the present embodiment provided be positioned at information outer net, the audio, video data storage means that can provide for the embodiment of the present invention one be positioned at the situation of different networks when database and application server.
Further, the application server of what the present embodiment provided be positioned at outer net can adopt SQL mechanism to communicate with the database server being positioned at Intranet, such as: transparent network bottom (TNS, Transparence Network Substrate) agreement, information security spacer assembly between information Intranet and information outer net, security control is carried out to the SQL communication data carrying out self information outer net, to be undertaken encapsulating by communication protocol and the SQL statement that the database server being positioned at Intranet operates be filtered, if malice SQL statement, then cut off the connection of the client sending this statement and the database server being positioned at Intranet immediately, guarantee is positioned at the database server of Intranet not under fire.
Further, information security spacer assembly can filter the packet that write is positioned at the database server of Intranet based on packet filtering pattern, information security spacer assembly to the preset corresponding filtering rule of some common SQL injection attacks, and can upgrade in time to filtering rule.SQL filtering rule can be divided into two logical gates: regular head Sum fanction content, rule head can comprise the title, action, agreement, data flow direction, source and destination ip address, source and destination port etc. of rule, and the content of rule can comprise concrete Detection of content.SQL filtering rule can in the following example shown in:
abc1pass tcp1.1.1.1any->2.2.2.2any(content：“1=1”；)
Wherein, abc1 is the title of this SQL filtering rule; Pass represents when in the packet that information security spacer assembly receives, the action performed when parsing SQL statement and this SQL filter rule match, and pass represents and passes through herein; Tcp represents the agreement that the application server being positioned at outer net adopts when the database server being positioned at Intranet transmits packet, is tpc agreement herein;-> represents the direction of the data flow that information security spacer assembly detects, and-> represents that the application server that is positioned at outer net is to the direction of database server transmitting data stream being positioned at Intranet herein; 1.1.1.1 represent ip address, source, any thereafter represents source port; 2.2.2.2 represent object ip address, any thereafter represents destination interface; The content for filtering rule that content mark occurs thereafter and 1=1; Acting as of above-mentioned SQL filtering rule: mail to the arbitrary port of source host 1.1.1.1 in the packet of the arbitrary port of destination host 2.2.2.2, the packet carrying 1=1 is taked to let slip strategy.Above-mentioned SQL filtering rule is only used to citing and is not used for limiting the present invention.
Through being positioned at the audio, video data of the character of the application server conversion of information outer net, tackled by information security spacer assembly, and carry out packet filtering by above-mentioned SQL filtering rule, if comprise malicious data in the audio, video data of the character after conversion, then this packet cannot by the detection of information security spacer assembly, and information security spacer assembly can by this data packet discarding.By the packet that information security spacer assembly detects, the database server being positioned at information Intranet will be forwarded to, the SQL statement of carrying in packet, according to the content of self, can operate the database of the correspondence be positioned on the server of information intranet data storehouse.
Embodiment three:
The generation method flow diagram of a kind of audio, video data corresponding with a kind of audio, video data storage means that embodiment one provides that Fig. 5 provides for embodiment three, concrete steps are as follows:
The type of the audio, video data frame that S501, acquisition needs generate.
In this step, corresponding with the step storing audio, video data, when storing audio, video data, for in audio, video data, the type of often kind of audio, video data frame sets up a tables of data, in the process generating audio, video data frame, first obtain the type of audio, video data frame needing to generate, in subsequent step, then obtain the audio, video data corresponding with the type from tables of data corresponding to the type.
In S502, tables of data corresponding with the type of above-mentioned audio, video data frame from database, obtain the property value that each attribute of above-mentioned audio, video data frame is corresponding, and the frame data of character, wherein, above-mentioned tables of data is corresponding with the type of above-mentioned audio, video data frame, above-mentioned tables of data corresponding stored each property value of described audio, video data frame, and the frame data of character, and above-mentioned tables of data comprises list item corresponding with the frame data of above-mentioned each attribute and above-mentioned character respectively.
In this step, to mp3 Frame, from the tables of data that this this type of mp3 Frame is corresponding, obtain each attribute that mp3 Frame is corresponding, the property value that namely mp3 bit rate, sample rate, version etc. are corresponding, and the frame data of the character of this mp3 Frame.
In like manner, to the audio data frame in the video data of above-mentioned appointment encapsulation format, from the tables of data that this type of this audio data frame is corresponding, obtain each attribute that audio data frame is corresponding, namely the property value that frame number, timestamp, sample rate etc. are corresponding, and the frame data of the character of this audio data frame; To the image data frame in the video data of above-mentioned appointment encapsulation format, from the tables of data that this type of this image data frame is corresponding, obtain each attribute that image data frame is corresponding, namely the property value that frame number, timestamp, resolution etc. are corresponding, and the frame data of the character of this image data frame.
S503, the frame data of above-mentioned character are carried out Character decoder, obtain the frame data of code stream.
Further, in this step, the process of Character decoder is contrary with character-coded process, the frame data of character is converted to the frame data of code stream.
S504, the property value corresponding according to each attribute of above-mentioned audio, video data frame, and the frame data of the code stream of above-mentioned audio, video data frame, generate audio, video data frame.
Further, for mp3 Frame, use each attribute that the mp3 Frame of acquisition is corresponding, the property value that namely mp3 bit rate, sample rate, version etc. are corresponding, and the frame data of the code stream of this mp3 Frame, generate mp3 Frame.
In like manner, to the audio data frame in the video data of above-mentioned appointment encapsulation format, use each attribute that the audio data frame of acquisition is corresponding, the property value that namely frame number, timestamp, sample rate etc. are corresponding, and the frame data of the code stream of this audio data frame, generate audio data frame; To the image data frame in the video data of above-mentioned appointment encapsulation format, use each attribute that the image data frame of acquisition is corresponding, namely the property value that frame number, timestamp, resolution etc. are corresponding, and the frame data of the code stream of this image data frame, image data generating frame.
S505, from above-mentioned database, obtain the property value corresponding with each attribute of above-mentioned audio, video data frame, and the encapsulation format of the frame data corresponding stored of the code stream of above-mentioned audio, video data frame.
In this step, corresponding with the process storing audio, video data, in the process of storage, the property value corresponding with each attribute of audio, video data frame by encapsulation format, and the frame data corresponding stored of the code stream of audio, video data frame, obtain the encapsulation format of this audio, video data herein.
Further, this step does not have sequencing with the execution of above-mentioned steps S501-S504.
S506, according to obtain above-mentioned encapsulation format, the audio, video data frame of generation is packaged into audio, video data.
Further, be the voice data of mp3 to encapsulation format, according to the encapsulation format of mp3, the mp3 Frame of generation be packaged into the mp3 voice data that can use player plays;
Be the video data of appointment encapsulation format to encapsulation format, according to this appointment encapsulation format, the audio data frame of generation and image data frame be packaged into the video data that can use player plays.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of storage of audio, video data and generating apparatus and system, storage and the generation method of the principle of dealing with problems due to these devices and system and aforementioned a kind of audio, video data are similar, therefore the enforcement of this device and system see the enforcement of preceding method, can repeat part and repeats no more.
A kind of audio, video data storage device that the embodiment of the present invention provides, as shown in Figure 6, comprises as lower module:
Parsing module 601, for the encapsulation format according to audio, video data, carries out code stream analyzing to described audio, video data, obtains the audio, video data frame in described audio, video data;
Acquisition module 602, the property value that each attribute for obtaining the described audio, video data frame comprised in the frame head of described audio, video data frame is corresponding, and the frame data of described audio, video data frame;
Character code module 603, for described frame data are carried out character code, obtains the frame data of character;
Memory module 604, for by corresponding for the frame data of each property value of described audio, video data frame and character stored in database.
Further, described memory module 604 for by corresponding for the encapsulation format of described audio, video data each property value of described audio, video data frame and the frame data of character stored in described database.
Further, described memory module 604 is specifically for obtaining the type of described audio, video data frame; By each property value of described audio, video data frame, and the frame data of character, corresponding in tables of data corresponding with the type of described audio, video data frame in database, wherein, described tables of data is set up in advance according to the type of described audio, video data frame, and described tables of data comprises list item corresponding with the frame data of described each attribute and described character respectively.
Further, described character code module 603, specifically for the described frame data by code stream form, generates multiple character using every 8 as a byte, obtains the frame data of character.
Corresponding to above-mentioned Fig. 6 shown device, the embodiment of the present invention also provides a kind of audio, video data generating apparatus, as shown in Figure 7, comprises as lower module:
Acquisition module 701, for from database, obtains the property value that each attribute of the described audio, video data frame comprised in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of described audio, video data frame;
Character decoder module 702, for the frame data of described character are carried out Character decoder, obtains the frame data of code stream;
Generation module 703, for the property value corresponding according to each attribute of described audio, video data frame, and the frame data of the code stream of described audio, video data frame, generate audio, video data frame;
Package module 704, for being packaged into audio, video data by the audio, video data frame of generation.
Further, described acquisition module 701 is specifically for obtaining the type needing the audio, video data frame generated; In tables of data corresponding with the type of described audio, video data frame from database, obtain the property value that each attribute of described audio, video data frame is corresponding, and the frame data of character, wherein, described tables of data is corresponding with the type of described audio, video data frame, described tables of data corresponding stored each property value of described audio, video data frame, and the frame data of character, and described tables of data comprises list item corresponding with the frame data of described each attribute and described character respectively.
Further, described acquisition module 701 is also for before being packaged into audio, video data by the audio, video data frame of generation, from described database, obtain the property value corresponding with each attribute of described audio, video data frame, and the encapsulation format of the frame data corresponding stored of the code stream of described audio, video data frame;
Described package module 704, specifically for according to the described encapsulation format obtained, is packaged into audio, video data by the audio, video data frame of generation.
A kind of audio, video data memory device that the embodiment of the present invention provides, comprises above-mentioned a kind of audio, video data storage device.
A kind of audio, video data that the embodiment of the present invention provides generates equipment, comprises above-mentioned a kind of audio, video data generating apparatus.
The audio, video data transmission system that the embodiment of the present invention provides, storage and generation method, device and equipment, be positioned at the application server of information outer net, and the audio, video data collected is converted to character audio, video data; Send described character audio, video data to the database server being positioned at information Intranet, and audio, video data will in the memory location of database server being arranged in Intranet; Information security spacer assembly, information Intranet trusty and fly-by-night information outer net are isolated, the character audio, video data that the application server that interception is positioned at information outer net sends, and memory location, and according to the character audio, video data of default packet filtering rules to interception, and memory location is detected; Qualified character audio, video data will be detected, and memory location is transmitted to the database server being positioned at information Intranet; Be positioned at the database server of information Intranet, the character audio, video data that received information safety spacer assembly forwards, and memory location; By corresponding for character audio, video data stored in memory location.The application server being positioned at information outer net makes audio, video data to store in a database by audio, video data audio, video data being converted to character, and for being positioned at the database server of information Intranet, by the information security spacer assembly that information Intranet trusty and fly-by-night information outer net are carried out isolating, tackle and the audio, video data of the character of Detection Information outer net transmission, the audio, video data of character by detecting is sent to information Intranet and stored in database server, to ensure that by Internet Transmission to the audio, video data in database server to be safe audio, video data.Be positioned at the application server of information Intranet, when obtaining audio, video data from database, the audio, video data of character converted to the audio, video data of code stream, the audio, video data of reduction can be obtained and play.
The function of above-mentioned each unit may correspond to the respective handling step in flow process shown in Fig. 2 to Fig. 5, does not repeat them here.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention can by hardware implementing, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (18)
1. an audio, video data transmission system, is characterized in that, comprises the application server, the information security spacer assembly that are positioned at information outer net and is positioned at the database server of information Intranet:
The described application server being positioned at information outer net, for being converted to character audio, video data by the audio, video data collected; Send described character audio, video data to the described database server being positioned at information Intranet, and described audio, video data will in the described memory location being arranged in the database server of Intranet;
Described information security spacer assembly, for information Intranet trusty and fly-by-night information outer net are isolated, the described character audio, video data that the application server being positioned at information outer net described in interception sends, and described memory location, and according to the described character audio, video data of default packet filtering rules to interception, and described memory location is detected; To qualified described character audio, video data be detected, and described memory location be transmitted to described in be positioned at the database server of information Intranet;
The described database server being positioned at information Intranet, for receiving the described character audio, video data that described information security spacer assembly forwards, and described memory location; By corresponding for described character audio, video data stored in described memory location.
2. the system as claimed in claim 1, it is characterized in that, described in be positioned at the application server of information outer net, specifically for the encapsulation format according to audio, video data, code stream analyzing is carried out to described audio, video data, obtains the audio, video data frame in described audio, video data; Obtain in the frame head of described audio, video data frame the property value that each attribute of the described audio, video data frame comprised is corresponding, and the frame data of described audio, video data frame; Described frame data are carried out character code, obtains the frame data of character; Send each property value of described audio, video data frame and the frame data of character to the described database server being positioned at information Intranet, and the frame data of each property value of described audio, video data frame and character will carry out the memory location of corresponding stored in described database server;
Described information security spacer assembly, specifically for information Intranet trusty and fly-by-night information outer net are isolated, each property value of the audio, video data frame that the application server being positioned at information outer net described in interception adopts SQL SQL communication mechanism to send, and the frame data of character, and described memory location; Adopt and preset packet filtering rules to each property value of described audio, video data frame received and the frame data of character, and Filter Examination is carried out in described memory location, obtains Filter Examination result; When described Filter Examination result is for meeting described default packet filtering rules, by each property value of described audio, video data frame and the frame data of character, and described memory location be transmitted to described in be positioned at the database server of information Intranet;
The described database server being positioned at information Intranet, specifically for receiving each property value of audio, video data frame and the frame data of character of the forwarding of described information security spacer assembly, and described memory location; By corresponding to described memory location for the frame data of each property value of described audio, video data frame and character.
3. an audio, video data storage means, is characterized in that, comprising:
According to the encapsulation format of audio, video data, code stream analyzing is carried out to described audio, video data, obtain the audio, video data frame in described audio, video data;
Obtain in the frame head of described audio, video data frame the property value that each attribute of the described audio, video data frame comprised is corresponding, and the frame data of described audio, video data frame;
Described frame data are carried out character code, obtains the frame data of character;
By corresponding in database for the frame data of each property value of described audio, video data frame and character.
4. method as claimed in claim 3, is characterized in that, also comprise:
By corresponding for the encapsulation format of described audio, video data each property value of described audio, video data frame and the frame data of character stored in described database.
5. method as claimed in claim 3, is characterized in that, by each property value of described audio, video data frame and the frame data of character stored in database, specifically comprises:
Obtain the type of described audio, video data frame;
By each property value of described audio, video data frame, and the frame data of character, corresponding in tables of data corresponding with the type of described audio, video data frame in database, wherein, described tables of data is set up in advance according to the type of described audio, video data frame, and described tables of data comprises list item corresponding with the frame data of described each attribute and described character respectively.
6. method as claimed in claim 3, is characterized in that, described frame data are carried out character code, obtain the frame data of character, specifically comprise:
By the described frame data of code stream form, generate multiple character using every 8 as a byte, obtain the frame data of character.
7. an audio, video data generation method, is characterized in that, comprising:
From in the database database server, obtain the property value that each attribute of the described audio, video data frame comprised in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of described audio, video data frame;
The frame data of described character are carried out Character decoder, obtains the frame data of code stream;
The property value corresponding according to each attribute of described audio, video data frame, and the frame data of the code stream of described audio, video data frame, generate audio, video data frame;
The audio, video data frame of generation is packaged into audio, video data.
8. method as claimed in claim 7, it is characterized in that, from database, obtain the property value that each attribute of the described audio, video data frame comprised in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of described audio, video data frame, specifically comprise:
Obtain the type needing the audio, video data frame generated;
In tables of data corresponding with the type of described audio, video data frame from database, obtain the property value that each attribute of described audio, video data frame is corresponding, and the frame data of character, wherein, described tables of data is corresponding with the type of described audio, video data frame, described tables of data corresponding stored each property value of described audio, video data frame, and the frame data of character, and described tables of data comprises list item corresponding with the frame data of described each attribute and described character respectively.
9. method as claimed in claim 7, is characterized in that, before the audio, video data frame of generation is packaged into audio, video data, also comprise:
From in the described database described database server, obtain the property value corresponding with each attribute of described audio, video data frame, and the encapsulation format of the frame data corresponding stored of the code stream of described audio, video data frame;
The audio, video data frame of generation is packaged into audio, video data, specifically comprises:
According to the described encapsulation format obtained, the audio, video data frame of generation is packaged into audio, video data.
10. an audio, video data storage device, is characterized in that, comprising:
Parsing module, for the encapsulation format according to audio, video data, carries out code stream analyzing to described audio, video data, obtains the audio, video data frame in described audio, video data;
Acquisition module, the property value that each attribute for obtaining the described audio, video data frame comprised in the frame head of described audio, video data frame is corresponding, and the frame data of described audio, video data frame;
Character code module, for described frame data are carried out character code, obtains the frame data of character;
Memory module, for by corresponding for the frame data of each property value of described audio, video data frame and character stored in database.
11. devices as claimed in claim 10, is characterized in that, described memory module also for by corresponding for the encapsulation format of described audio, video data each property value of described audio, video data frame and the frame data of character stored in described database.
12. devices as claimed in claim 10, is characterized in that, described memory module is specifically for obtaining the type of described audio, video data frame; By each property value of described audio, video data frame, and the frame data of character, corresponding in tables of data corresponding with the type of described audio, video data frame in database, wherein, described tables of data is set up in advance according to the type of described audio, video data frame, and described tables of data comprises list item corresponding with the frame data of described each attribute and described character respectively.
13. devices as claimed in claim 10, is characterized in that, described character code module, specifically for the described frame data by code stream form, generates multiple character using every 8 as a byte, obtains the frame data of character.
The memory device of 14. 1 kinds of audio, video datas, is characterized in that, comprising: the storage device of the audio, video data as described in any one of claim 10-13.
The generating apparatus of 15. 1 kinds of audio, video datas, is characterized in that, comprising:
Acquisition module, for from database, obtains the property value that each attribute of the described audio, video data frame comprised in the frame head of the audio, video data frame of corresponding stored is corresponding, and the frame data of the character of described audio, video data frame;
Character decoder module, for the frame data of described character are carried out Character decoder, obtains the frame data of code stream;
Generation module, for the property value corresponding according to each attribute of described audio, video data frame, and the frame data of the code stream of described audio, video data frame, generate audio, video data frame;
Package module, for being packaged into audio, video data by the audio, video data frame of generation.
16. devices as claimed in claim 15, is characterized in that, described acquisition module needs the type of the audio, video data frame generated specifically for obtaining; In tables of data corresponding with the type of described audio, video data frame from database, obtain the property value that each attribute of described audio, video data frame is corresponding, and the frame data of character, wherein, described tables of data is corresponding with the type of described audio, video data frame, described tables of data corresponding stored each property value of described audio, video data frame, and the frame data of character, and described tables of data comprises list item corresponding with the frame data of described each attribute and described character respectively.
17. devices as claimed in claim 15, it is characterized in that, described acquisition module is also for before being packaged into audio, video data by the audio, video data frame of generation, from described database, obtain the property value corresponding with each attribute of described audio, video data frame, and the encapsulation format of the frame data corresponding stored of the code stream of described audio, video data frame;
Described package module, specifically for according to the described encapsulation format obtained, is packaged into audio, video data by the audio, video data frame of generation.
18. 1 kinds of audio, video datas generate equipment, it is characterized in that, comprising: the generating apparatus of the audio, video data as described in any one of claim 15-17.
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