CN101521605B - Data communication analyzing system for synchronously recording scene and implement method thereof - Google Patents
Data communication analyzing system for synchronously recording scene and implement method thereof Download PDFInfo
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- CN101521605B CN101521605B CN2009100806089A CN200910080608A CN101521605B CN 101521605 B CN101521605 B CN 101521605B CN 2009100806089 A CN2009100806089 A CN 2009100806089A CN 200910080608 A CN200910080608 A CN 200910080608A CN 101521605 B CN101521605 B CN 101521605B
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Abstract
The invention discloses a system and a method for synchronously recording scenes and communication data, which belongs to the technical field of video recording and data communication. The system comprises a communication interface monitoring level translator 100, a third data communication interface 200, a camera 500, an image acquiring card 600, a scene recording data communication protocol analyzing system 700 and a computer 800, wherein the communication interface monitoring level translator 100 is used for intercepting data information, the camera 500 is used for collecting device state video information, and then, the data and the video are respectively transported into the scene recording data communication protocol analyzing system 700 of the computer 800 through the third data communication interface 200 and the image acquiring card 600. On the basis of acquiring and storing the communication data and the video data, the method realizes the function of synchronously controlling data and scene image by recording delay compensation. The invention provides an effective auxiliary means for the analyzing operation of analysts.
Description
Technical field
The invention belongs to video record and data communication technology field, relate in particular to the system and method for a kind of scene and communication data synchronous recording.
Background technology
Data communication is widely used in fields such as automatic control, communication, office equipment, Medical Devices, experimental facilities, and work such as the research and development of the equipment interface in these fields, equipment application, equipment debugging and maintenance all be unable to do without monitoring and analysis to data communication protocol.And the scene of having only the communication data stream when data communication taken place and data communication taking place combines, just may carry out the analysis of data communication protocol fast, accurately and efficiently, thereby the condition, form and the equipment that analyze the data flow generation show accordingly.As: operating personnel carry out corresponding which kind of data format of data block and the data message which kind of operation back is sent by transmitting apparatus on operating platform, which kind of operation receiving equipment has carried out after receiving data, and what performance is.The analyst just can analyze structure, form, the numerical value of data flow exactly in conjunction with the scene situation and the data flow that took place at that time, thereby debugs better, work such as maintenance.Present equipment such as data communication protocol analyzer can only carry out the analysis of the record and the given data form of data flow, can't carry out record to scene at that time, this makes the analyst must make great efforts to recall the scene that data flow takes place by the moment in the face of mass data stream, increased analyst's live load, the analyst can not being put into whole energy in the real data analysis go, is a kind of working method of poor efficiency.Therefore, the data communication analysis field need a kind of can the record analysis communication data, system that simultaneously can also synchronously recording scene.
Summary of the invention
The objective of the invention is to, data communication analyzing system and its implementation of a kind of synchronously recording scene are provided, monitor and level translator collection communication data by communication interface, by the camera collection scene image data, utilize computer to communicate the storage of record and the analysis and the scene image of data flow, when man analysis communication protocol, can communicate the synchronized playback of data and scene image.
Technical scheme of the present invention is, a kind of data communication analyzing system of synchronously recording scene is characterized in that described system comprises communication interface monitoring and level translator 100, the 3rd data communication interface 200, video camera 500, image pick-up card 600, scene record data Protocol Analysis system 700 and computer 800; Wherein,
Communication interface is monitored and is connected with second Devices to test 400 with first Devices to test 300 respectively with level translator 100, be used for the stream of the communication data between first Devices to test 300 and second Devices to test 400 is intercepted and captured, and do not influence the proper communication of two communication equipments;
The 3rd data communication interface 200 is monitored with communication interface and is connected with level translator 100, communication interface monitored and after the data flow level translation of level translator 100 intercepting and capturing becomes the data communication interface level that computer can receive, send into scene record data Protocol Analysis system 700 and handle and analyze;
Scene record data Protocol Analysis system 700 is according to the requirement that is provided with, and the video image stream record that data flow that the 3rd data communication interface 200 is collected and image pick-up card 600 collect is stored in the computer; When analyzing, the video image stream information of synchronized playback communication data stream information and scene;
Data communication interface 200, image pick-up card 600 and scene record data Protocol Analysis system 700 are installed in the computer 800.
Described scene comprises the operating process of personnel to first Devices to test 300 and second Devices to test 400; The action performance of the demonstration of first Devices to test 300 and second Devices to test, 400 information or data, the demonstration of indicator light and equipment.
Described first Devices to test 300 comprises first data communication interface 3001, has to receive or send data function.
Described second Devices to test 400 comprises second data communication interface 4001, has to receive or send data function.
Described the 3rd data communication interface 200 adopts RS232 interface or RS485 interface.
Described communication interface is monitored and level translator 100 comprises the first communication interface socket 1001, second communication interface socket 1002, output communication interface socket 1003, communication interface level conversion element 1004;
The first communication interface socket 1001 is connected to first data communication interface 3001 of first Devices to test 300; Be connected with communication interface level conversion element 1004 with second communication interface socket 1002 simultaneously; After the first communication interface socket 1001 is received the data communications of first Devices to test 300, deliver to second communication interface socket 1002 and communication interface level conversion element 1004, continue the communication information is delivered to second Devices to test 400 by second communication interface socket 1002 again;
Second communication interface socket 1002 is connected to second data communication interface 4001 of second Devices to test 400; Be connected with communication interface level conversion element 1004 with the first communication interface socket 1001 simultaneously; After second communication interface socket 1002 is received the data communications of second Devices to test 400, deliver to the first communication interface socket 1001 and communication interface level conversion element 1004, continue the communication information is delivered to first Devices to test 300 by the first communication interface socket 1001;
Communication interface level conversion element 1004 is connected with output communication interface socket 1003;
Output communication interface socket 1003 is connected with the 3rd data communication interface 200, is used for communication interface level conversion element 1004 data converted communication information level are sent into computer 800.
Implementation method is analyzed in a kind of data communication of synchronously recording scene, it is characterized in that described method comprises the following steps:
Step 1: messaging parameter, video source parameter, picture lag parameter and display mode are set;
Step 2: according to the messaging parameter received communication data that are provided with, simultaneously according to the video source parameter acquisition video image that is provided with;
Step 3: the communication data that receives is stored in the communication data file;
Step 4: the video image stream that collects is stored in the video file, and storage and the synchronous markers file of communication data;
Step 5: according to the picture lag parameter and the display mode that are provided with, by data, scene image Synchronization Control play data stream and scene video stream.
The suffix of described communication data file is TXT, and its form is:
The moment 1 communication data 1 since the recording start
The moment 2 communication data 2 since the recording start
The moment 3 communication data 3 since the recording start
Time n communication data n since the recording start.
The suffix of described video file is AVI, and its form is the video compression audio video interleaved of standard.
The suffix of described markers file is TIM, and its form is:
Write down first two field picture moment 1+ space+record second two field picture moment 2+ space+record the 3rd two field picture moment 3+ space+record the 4th two field picture moment 4+ space+... the moment n of+record n two field picture.
Effect of the present invention is, the data communication analyzing system of synchronously recording scene and its implementation can real time record and store that the scene video of data communications stream and equipment flows between two equipment; Have scene video stream and data communications stream synchronization control function, can postpone owing to the videograph that capture card produces to compensate, scene video stream and data communications stream are kept synchronously, thereby guarantee that the analyst can be in conjunction with the scene situation and the data flow that took place at that time, analyze structure, form, the numerical value of data flow exactly, and then carry out debugging, the maintenance work of system and equipment better.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that communication interface of the present invention is monitored and the level translator schematic diagram.
Fig. 3 is the schematic diagram that implementation method is analyzed in the data communication of synchronously recording scene of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit the scope of the invention and to use.
Fig. 1 is a structural representation of the present invention.Among Fig. 1, the data communication analyzing system of synchronously recording scene provided by the invention comprises communication interface monitoring and level translator 100, the 3rd data communication interface 200, video camera 500, image pick-up card 600, scene record data Protocol Analysis system 700 and computer 800.
Wherein, communication interface is monitored and is connected with second Devices to test 400 with first Devices to test 300 respectively with level translator 100, be used for the stream of the communication data between first Devices to test 300 and second Devices to test 400 is intercepted and captured, and do not influence the proper communication of two communication equipments.
The 3rd data communication interface 200 is monitored with communication interface and is connected with level translator 100, communication interface monitored and after the data flow level translation of level translator 100 intercepting and capturing becomes the data communication interface level that computer can receive, send into scene record data Protocol Analysis system 700 and handle and analyze.
Scene record data Protocol Analysis system 700 is according to the requirement that is provided with, and the video image stream record that data flow that the 3rd data communication interface 200 is collected and image pick-up card 600 collect is stored in the computer; When analyzing, the video image stream information of synchronized playback communication data stream information and scene.
Data communication interface 200, image pick-up card 600 and scene record data Protocol Analysis system 700 are installed in the computer 800.
Fig. 2 is that communication interface of the present invention is monitored and the level translator schematic diagram.Among Fig. 2, communication interface is monitored and level translator 100 comprises the first communication interface socket 1001, second communication interface socket 1002, output communication interface socket 1003, communication interface level conversion element 1004.
The first communication interface socket 1001 is connected to first data communication interface 3001 of first Devices to test 300; Be connected with communication interface level conversion element 1004 with second communication interface socket 1002 simultaneously; After the first communication interface socket 1001 is received the data communications of first Devices to test 300, deliver to second communication interface socket 1002 and communication interface level conversion element 1004, continue the communication information is delivered to second Devices to test 400 by second communication interface socket 1002 again.
Second communication interface socket 1002 is connected to second data communication interface 4001 of second Devices to test 400; Be connected with communication interface level conversion element 1004 with the first communication interface socket 1001 simultaneously; After second communication interface socket 1002 is received the data communications of second Devices to test 400, deliver to the first communication interface socket 1001 and communication interface level conversion element 1004, continue the communication information is delivered to first Devices to test 300 by the first communication interface socket 1001.
Communication interface level conversion element 1004 is connected with output communication interface socket 1003.
Output communication interface socket 1003 is connected with the 3rd data communication interface 200, is used for communication interface level conversion element 1004 data converted communication information level are sent into computer 800.
Fig. 3 is the schematic diagram that implementation method is analyzed in the data communication of synchronously recording scene of the present invention.Among Fig. 3, communications setting, video setting, demonstration setting and picture lag are provided with the setting of each parameter in the performing step 1.Wherein, the content of communications setting comprises: the setting such as port numbers, baud rate, data bits, check digit, position of rest that defines data; The content of video setting comprises: the frame per second of selecting an available video source and videograph; The setting of display mode comprises: select data flow still to show in the hexadecimal mode with text mode; The setting of picture lag comprises: the time of picture lag in data is set, the condition that enters a new line as data with the free time of what data character time spans is set.
The method to set up of carrying out picture lag is to be set, the condition that setting entered a new line as data with the free time of what data character time spans the time of picture lag in data.Because the time that computer acquisition and memory image are spent is longer than the time of computer receiving data, therefore common computer is after reception and storing communication data a period of time, could gather and store into the image when receiving data, i.e. collection of image and storage always lag behind communication data and receive.Software moves on the computer of different model, and the time of its hysteresis is also different.By the user is set the time of picture lag in data, when communicating the storage of data and image, just can gets up both synchronously like this.
Scene record data Protocol Analysis system is behind the communication data that receives an equipment, it is presented on the screen of computer, then after receiving the communication data of another equipment, should newly play the data that a paragraph shows that this equipment sends, otherwise the data of two equipment transmissions will connect together when showing, the user just can not tell data and be sent by two equipment.Generally, an equipment is after having sent data, and at regular intervals, another equipment just can send data.If therefore system finds between the data flow there is a long time interval, just can think that the front and back in this time interval are the data that two equipment send.The method that the native system judgement time adopts at interval is: the time of supposing n character communication of setting is the condition of data line feed, if the baud rate of data communication this moment is 1200bit/s, then blanking time T=n * 10 * 1/1200, if between two data flow interval greater than T, think that then these two data flow are from two different equipment, so when the display communication data after having shown first data flow, play a paragraph again and show second data flow.If the time interval between two data flow is less than or equal to T, think that then two data flow are same data flow, order shows in a paragraph.Why using the time to send character quantity is because under different baud rates as the condition of judging, blanking time difference.
Data acquisition and IMAQ performing step 2 are promptly according to the messaging parameter received communication data that are provided with, simultaneously according to the video source parameter acquisition video image that is provided with.
Storage and image storage be performing step 3 and step 4 respectively, and the communication data that is about to receive stores in the file; And the video image stream that collects is stored in the video file, and storage and the synchronous markers file of communication data.System can produce three files when writing down and analyze, be stored in the current system, and three files are respectively:
(1) video file, suffix are AVI, and its form is the video compression audio video interleaved of standard;
(2) communication data file, suffix are TXT, and its form is:
The moment 1 communication data 1 since the recording start
The moment 2 communication data 2 since the recording start
The moment 3 communication data 3 since the recording start
Time n communication data n since the recording start
(3) markers file, suffix are TIM, and its form is:
Write down first two field picture moment 1+ space+record second two field picture moment 2+ space+record the 3rd two field picture moment 3+ space+record the 4th two field picture moment 4+ space+... the moment n of+record n two field picture
These three files are used for image and communication data playing function again.When playing 1 two field picture of avi file, the system relatively data record of the moment of this two field picture (obtaining from TIM markers file) and TXT communication data file compares constantly, when two moment mate, then illustrate having write down this two field picture and this communication data and take place simultaneously, thereby realize the related of communication data and video data.
Data, scene image control, communication data record playback and video playback performing step 5 are promptly according to the picture lag parameter and the display mode that are provided with, by data, scene image Synchronization Control play data stream and scene video stream.Playing function comprises real-time demonstration and playback; Wherein, demonstration in real time comprises real-time indicated data communication information flow and scene video stream; Playback comprises continuous playback scenario video flowing and data communications stream, suspend playback scenario video flowing and data communications stream, scene video stream and the rewinding of data communications stream, by functions such as data communications stream positioning video scenes.
The data communication analyzing system of synchronously recording scene provided by the invention and its implementation, can real time record the scene video of two equipment room data communications streams of storage and equipment flow; Indicated data communication information flow and scene video flow in real time; Simultaneously, scene video stream and data communications stream synchronization control function can postpone owing to the videograph that capture card produces to compensate, and scene video stream and data communications stream are kept synchronously.The present invention can make the analyst simultaneously data flow and video flowing be analyzed, and the analyst is carried out the data communication protocol analytical work provides very effective supplementary means.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. the data communication analyzing system of a synchronously recording scene is characterized in that described system comprises communication interface monitoring and level translator 100, the 3rd data communication interface 200, video camera 500, image pick-up card 600, scene record data Protocol Analysis system 700 and computer 800; Wherein,
Communication interface is monitored and is connected with second Devices to test 400 with first Devices to test 300 respectively with level translator 100, be used for the stream of the communication data between first Devices to test 300 and second Devices to test 400 is intercepted and captured, and do not influence the proper communication of two communication equipments;
The 3rd data communication interface 200 is monitored with communication interface and is connected with level translator 100, communication interface monitored and after the data flow level translation of level translator 100 intercepting and capturing becomes the data communication interface level that computer can receive, send into scene record data Protocol Analysis system 700 and handle and analyze;
Video camera 500 is connected on the image pick-up card 600 by video signal cable, and by image pick-up card 600, the scene image of record is sent into scene record data Protocol Analysis system 700 handle and store;
Scene record data Protocol Analysis system 700 is according to the requirement that is provided with, and the video image stream record that data flow that the 3rd data communication interface 200 is collected and image pick-up card 600 collect is stored in the computer; When analyzing, the video image stream information of synchronized playback communication data stream information and scene;
Data communication interface 200, image pick-up card 600 and scene record data Protocol Analysis system 700 are installed in the computer 800.
2. the data communication analyzing system of a kind of synchronously recording scene according to claim 1 is characterized in that described scene comprises the operating process of personnel to first Devices to test 300 and second Devices to test 400; The action performance of the demonstration of first Devices to test 300 and second Devices to test, 400 information or data, the demonstration of indicator light and equipment.
3. the data communication analyzing system of a kind of synchronously recording scene according to claim 1 is characterized in that described first Devices to test 300 comprises first data communication interface 3001, has to receive or send data function.
4. the data communication analyzing system of a kind of synchronously recording scene according to claim 1 is characterized in that described second Devices to test 400 comprises second data communication interface 4001, has to receive or send data function.
5. the data communication analyzing system of a kind of synchronously recording scene according to claim 1 is characterized in that described the 3rd data communication interface 200 adopts RS232 interface or RS485 interface.
6. the data communication analyzing system of a kind of synchronously recording scene according to claim 1, it is characterized in that described communication interface is monitored and level translator 100 comprises the first communication interface socket 1001, second communication interface socket 1002, output communication interface socket 1003, communication interface level conversion element 1004; Wherein,
The first communication interface socket 1001 is connected to first data communication interface 3001 of first Devices to test 300; Be connected with communication interface level conversion element 1004 with second communication interface socket 1002 simultaneously; After the first communication interface socket 1001 is received the data communications of first Devices to test 300, deliver to second communication interface socket 1002 and communication interface level conversion element 1004, continue the communication information is delivered to second Devices to test 400 by second communication interface socket 1002 again;
Second communication interface socket 1002 is connected to second data communication interface 4001 of second Devices to test 400; Be connected with communication interface level conversion element 1004 with the first communication interface socket 1001 simultaneously; After second communication interface socket 1002 is received the data communications of second Devices to test 400, deliver to the first communication interface socket 1001 and communication interface level conversion element 1004, continue the communication information is delivered to first Devices to test 300 by the first communication interface socket 1001;
Communication interface level conversion element 1004 is connected with output communication interface socket 1003;
Output communication interface socket 1003 is connected with the 3rd data communication interface 200, is used for communication interface level conversion element 1004 data converted communication information level are sent into computer 800.
7. implementation method is analyzed in the data communication of a synchronously recording scene, it is characterized in that described method comprises the following steps:
Step 1: messaging parameter, video source parameter, picture lag parameter and display mode are set;
Step 2: according to the messaging parameter received communication data that are provided with, simultaneously according to the video source parameter acquisition video image that is provided with;
Step 3: the communication data that receives is stored in the communication data file;
Step 4: the video image stream that collects is stored in the video file, and storage and the synchronous markers file of communication data;
Step 5: according to the picture lag parameter and the display mode that are provided with, by data, scene image Synchronization Control play data stream and scene video stream.
8. implementation method is analyzed in the data communication of a kind of synchronously recording scene according to claim 7, and the suffix that it is characterized in that described communication data file is TXT, and its form is:
The moment 1 communication data 1 since the recording start
The moment 2 communication data 2 since the recording start
The moment 3 communication data 3 since the recording start
……
Time n communication data n since the recording start.
9. implementation method is analyzed in the data communication of a kind of synchronously recording scene according to claim 7, and the suffix that it is characterized in that described video file is AVI, and its form is the video compression audio video interleaved of standard.
10. implementation method is analyzed in the data communication of a kind of synchronously recording scene according to claim 7, and the suffix that it is characterized in that described markers file is TIM, and its form is:
Write down first two field picture moment 1+ space+record second two field picture moment 2+ space+record the 3rd two field picture moment 3+ space+record the 4th two field picture moment 4+ space+... the moment n of+record n two field picture.
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| CN1620045A (en) * | 2003-08-19 | 2005-05-25 | 罗技欧洲公司 | Instant messenger presence and identity management |
| CN101065980A (en) * | 2004-09-30 | 2007-10-31 | 思玛威公司 | Wireless video surveillance system and method |
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| CN1620045A (en) * | 2003-08-19 | 2005-05-25 | 罗技欧洲公司 | Instant messenger presence and identity management |
| CN101065980A (en) * | 2004-09-30 | 2007-10-31 | 思玛威公司 | Wireless video surveillance system and method |
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