CN101873305A - Data transmission control method, monitoring system and decoder thereof - Google Patents
Data transmission control method, monitoring system and decoder thereof Download PDFInfo
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- CN101873305A CN101873305A CN200910216831A CN200910216831A CN101873305A CN 101873305 A CN101873305 A CN 101873305A CN 200910216831 A CN200910216831 A CN 200910216831A CN 200910216831 A CN200910216831 A CN 200910216831A CN 101873305 A CN101873305 A CN 101873305A
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Abstract
The embodiment discloses a data transmission control method, a monitoring system and a decoder thereof. The monitoring system consists of a serial port keyboard, the decoder, a plurality of DVRs and a plurality of DVR cradle heads; the method comprises the steps of: leading connection to be respectively established between the decoder and the plurality of DVRs; using the decoder to receive the serial port data transmitted by the serial port keyboard, and caching the serial port data; inputting the serial port data through the serial port keyboard; and using the decoder to transmit the cached serial port data into every DVR by the connection established for every DVR. The embodiment of the invention realizes the control for the DVRs and the DVR cradle heads by the way of keyboard input, and has visual operation process and simple operation way; furthermore, the decoder can realize multi-task synchronous serial port data transmission for the DVRs, so that the serial port data can be transmitted within a shorter time, and the real-time property of the monitoring system can be improved.
Description
Technical field
The application relates to communication technical field, relates in particular to a kind of method, supervisory control system and decoder of control data transmission.
Background technology
In the existing supervisory control system, generally include some DVR (Digital Video Recorder, DVR), each DVR connects some quicks (camera) respectively, and each quick rotates to realize the monitoring in each orientation under the drive of DVR The Cloud Terrace.When above-mentioned DVR The Cloud Terrace is controlled, realize by the client that links to each other with some DVR by network, client is generally a PC, in client, preset and controlled software, when needs control DVR The Cloud Terrace, by the keeper at the enterprising line operate of client, by network to each DVR transmitting control commands class data, and send to each The Cloud Terrace by DVR, realize controlling.
The inventor finds in to the research of prior art and practice process, and is existing by the implementation of client to the DVR transmitting control commands, needs to control the specialized management person of software, and for general personnel, the mode of function software is not directly perceived.
Summary of the invention
The purpose of the embodiment of the present application provides a kind of method, supervisory control system and decoder of control data transmission, causes operation not directly perceived to control the DVR The Cloud Terrace by software in the solution prior art, the difficulty problem of higher.
For solving the problems of the technologies described above, the embodiment of the present application provides following technical scheme:
A kind of method of control data transmission, in the supervisory control system that is applied to be made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, described method comprises:
Described decoder and described some DVR connect respectively;
Described decoder receives the serial data and the described serial data of buffer memory of described serial ports keyboard transmission, and described serial data is the data by described serial ports keyboard input;
Described decoder is by the connection for each DVR foundation, and the serial data of described buffer memory is sent to described each DVR.
Described decoder and described some DVR connect respectively and comprise:
Whether described decoder sequence detection sets up TCP with each DVR is connected;
When detecting the DVR that does not set up the TCP connection, send the TCP connection request to the described DVR that does not set up the TCP connection;
The connection response of returning according to described DVR and is set up TCP between the described DVR and is connected.
Serial data and the described serial data of buffer memory that described decoder receives described serial ports keyboard transmission comprise:
Described decoder judges that the memory space in the buffering area is empty;
Described decoder is gathered the serial data of described serial ports keyboard transmission from serial ports;
The described serial data that described decoder will be gathered is cached in the described memory space.
Described decoder with also comprise after some DVR connect respectively: described decoder is connected the TCP link information that is recorded as each DVR foundation in the tabulation at the TCP that sets up.
Described decoder is by the connection for each DVR foundation, the serial data of described buffer memory is sent to described each DVR comprises:
Described decoder copies the serial data of described buffer memory and encapsulates described serial data;
Described decoder reads described TCP in proper order and connects the TCP link information of setting up for each DVR in the tabulation;
The serial data of described decoder after with described encapsulation sends to corresponding D VR according to the described order that reads.
Also comprise:
After described DVR receives described serial data, described serial data is write the DVR The Cloud Terrace that links to each other with described DVR by Serial Port Line.
A kind of supervisory control system comprises: decoder, and the serial ports keyboard that is connected with described decoder by Serial Port Line, the some DVR that link to each other with described decoder by network, and the some DVR The Cloud Terraces that connect by each described DVR, wherein,
Described serial ports keyboard is used for the serial data of input is transferred to described decoder by Serial Port Line;
Described decoder is used for connecting respectively with described some DVR, receives the serial data and the described serial data of buffer memory of described serial ports keyboard transmission, and by the connection for each DVR foundation, and the serial data of described buffer memory is sent to described each DVR.
Described DVR also is used for, receive described serial data after, described serial data is write the DVR The Cloud Terrace that links to each other with described DVR by Serial Port Line.
A kind of decoder, in the supervisory control system that is applied to be made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, described decoder comprises:
Linkage unit is used for connecting respectively with described some DVR;
Buffer unit is used to receive serial data and the described serial data of buffer memory that described serial ports keyboard transmits, and described serial data is the data by described serial ports keyboard input;
Transmitting element is used for the connection of setting up by for each DVR, and the serial data of described buffer memory is sent to described each DVR.
Described linkage unit comprises:
Detect linkage unit, be used for sequence detection and whether set up TCP and be connected with each DVR;
Send request unit, be used for when described detection linkage unit detects the DVR that does not set up the TCP connection, send the TCP connection request to the described DVR that does not set up the TCP connection;
The unit that connects is used for the connection response returned according to described DVR, and sets up TCP between the described DVR and is connected.
Described buffer unit comprises:
Judge buffer unit, be used to judge whether the memory space in the buffering area is empty;
The image data unit is used for when the described memory space of described judgment unit judges is sky, gathers the serial data of described serial ports keyboard transmission from serial ports;
Data cached unit, the described serial data that is used for gathering is cached in the described memory space.
Described decoder also comprises:
Record cell is used for connecting tabulation at the TCP that sets up and is recorded as the TCP link information that each DVR sets up.
Described transmitting element comprises:
The copy encapsulation unit is used to copy the serial data of described buffer memory and encapsulates described serial data;
Read information unit, be used for order and read the TCP link information that described TCP connection tabulation is set up for each DVR;
The order transmitting element is used for the serial data after the described encapsulation is sent to corresponding D VR according to the described order that reads.
As seen, in the supervisory control system that the embodiment of the present application is applied to be made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, wherein decoder and some DVR connect respectively, after decoder receives the serial data and buffer memory serial data of serial ports keyboard transmission, by the connection of setting up, the serial data of buffer memory is sent to each DVR for each DVR.The embodiment of the present application receives the serial data of serial ports keyboard transmission by decoder, and serial data is transferred to each DVR by the connection of setting up, mode by the keyboard input has realized that operating process is directly perceived to the control of DVR and The Cloud Terrace thereof thus, and mode of operation is simple; And, owing to can realize multitask synchronously to DVR transmitting serial port data on the decoder, therefore can realize the transmission of serial data within a short period of time, improved the real-time performance of supervisory control system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first embodiment flow chart of the method for the application's control data transmission;
Fig. 2 is the second embodiment flow chart of the method for the application's control data transmission;
Fig. 3 is the 3rd an embodiment flow chart of the method for the application's control data transmission;
Fig. 4 is the structural representation of a kind of supervisory control system of the method embodiment of application the application control data transmission;
Fig. 5 is the embodiment block diagram of the application's supervisory control system;
Fig. 6 is the first embodiment block diagram of the application's decoder;
Fig. 7 is the second embodiment block diagram of the application's decoder.
Embodiment
The embodiment of the present application provides a kind of method, supervisory control system and decoder of control data transmission, supervisory control system in the embodiment of the present application comprises serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, when transmitting control data, decoder and some DVR connect respectively, decoder receives the serial data and the buffer memory serial data of serial ports keyboard transmission, by the connection of setting up, the serial data of buffer memory is sent to each DVR for each DVR.
In order to make those skilled in the art person understand technical scheme in the embodiment of the present application better, and the above-mentioned purpose of the embodiment of the present application, feature and advantage can be become apparent more, below in conjunction with accompanying drawing technical scheme in the embodiment of the present application is described in further detail.
Referring to Fig. 1, be the first embodiment flow chart of the method for the application's control data transmission:
Step 101: decoder and some DVR connect respectively.
Concrete, whether the decoder sequence detection sets up TCP with each DVR is connected, and when detecting the DVR that does not set up the TCP connection, sends the TCP connection request to the DVR that does not set up the TCP connection,
The connection response of returning according to described DVR and is set up TCP and is connected between the DVR.
Step 102: decoder receives the serial data and the buffer memory serial data of serial ports keyboard transmission.
Wherein, serial data is the data by described serial ports keyboard input.When receiving serial data, decoder judges that decoder was gathered the serial data of serial ports keyboard transmission from serial ports when the memory space in the buffering area was empty, and the serial data of gathering is cached in the memory space.
Step 103: decoder is by the connection for each DVR foundation, and the serial data of buffer memory is sent to each DVR, finishes current flow process.
Concrete, decoder has also been set up TCP and has been connected tabulation after connecting with DVR, is used to be recorded as the TCP link information that each DVR sets up.When sending serial data, the serial data of decoder copy buffer memory also encapsulates this serial data, order reads TCP and connects the TCP link information of setting up for each DVR in the tabulation, and the serial data after the described encapsulation is sent to corresponding D VR according to the described order that reads.
Referring to Fig. 2, be the second embodiment flow chart of the method for the application's control data transmission, this embodiment shows the detailed process of control data transmission from the angle of decoder:
Step 201: whether the decoder sequence detection sets up TCP with each DVR is connected.
Each DVR is distributed in different places usually, and these DVR set up long-range TCP by network and decoder and are connected, and has set up the DVR that is connected with decoder and has logined on decoder successfully usually, and decoder can be preserved the log-on message of these DVR.
Step 202: when detecting the DVR that does not set up the TCP connection, do not set up DVR transmission TCP connection request that TCP connects to this.
The DVR that does not set up the TCP connection comprises two kinds, and a kind of is the DVR that does not login on decoder, and a kind of is to set up the DVR that TCP is connected with decoder, but this TCP connection was lost efficacy.When detecting the DVR that does not set up the TCP connection, decoder sends the TCP connection request to this DVR, and request is set up TCP with DVR and is connected.
Step 203: set up TCP between the connection response of returning according to this DVR and this DVR and be connected.
After DVR receives the TCP connection request of decoder transmission, return connection response to decoder, DVR connects the new task of setting up deal with data for this TCP simultaneously, after decoder receives connection response, setting up TCP with DVR is connected, this TCP connection is generally long and connects, and promptly this is connected to the connection that continues the state of setting up.
Step 204: connect the TCP link information that is recorded as each DVR foundation in the tabulation at the TCP that sets up.
Set up TCP in the decoder in advance and connected tabulation, each has been set up DVR that TCP connects and all connects in the tabulation at this TCP and carry out record, i.e. corresponding TCP link information of DVR, the corresponding DVR task of each TCP link information.
Step 205: decoder judges that the memory space in the buffering area is empty, if then execution in step 206; Otherwise, execution in step 208.
Step 206: decoder is gathered the serial data of serial ports keyboard transmission from serial ports.
Decoder judges that the memory space in the buffering area is empty, illustrate and also do not store serial data, this moment, decoder was gathered serial data from the serial ports that links to each other with the serial ports keyboard, and decoder links to each other with the serial ports keyboard by 485 Serial Port Lines usually, and the serial ports keyboard can be imported the operation of data easily.
Step 207: the described serial data that decoder will be gathered is cached in the memory space.
Decoder is cached to memory space with the serial data of gathering, and is used for follow-uply calling this serial data from memory space.
Step 208: the serial data of decoder copy buffer memory also encapsulates this serial data.
Step 209: decoder reads TCP in proper order and connects the TCP link information of setting up for each DVR in the tabulation.
Step 210: the serial data after decoder will encapsulate sends to corresponding D VR according to the described order that reads.
After step 211:DVR receives serial data, serial data is write the DVR The Cloud Terrace that links to each other with this DVR by Serial Port Line, finish current flow process.
After DVR receives serial data, serial data is carried out decapsulation, and by the transfer of data of 485 Serial Port Lines after with decapsulation to the DVR The Cloud Terrace that is connected, realize the Long-distance Control of serial ports keyboard thus to the DVR The Cloud Terrace.Because DVR continued to connect with decoder by long connection of TCP, serial data that therefore can the transmission of circular wait decoder, and send to the DVR The Cloud Terrace in real time.
Referring to Fig. 3, the 3rd embodiment flow chart of the method for the application's control data transmission, this embodiment shows the detailed process of control data transmission from the angle of DVR:
Step 301:DVR intercepts the DVR port, the TCP connection request that Rcv decoder sends.
Step 302: set up TCP according to TCP connection request and decoder and be connected, and connect newly-built task for this.
Step 303: judge whether to receive the serial data decoder connects the encapsulation of transmitting by TCP after, if then execution in step 304; Otherwise, return step 303.
Step 304: the serial data that receives is carried out decapsulation by newly-built task.
Step 305: the serial data after the decapsulation is write the DVR The Cloud Terrace that links to each other with this DVR by Serial Port Line, finish current flow process.
DVR to the DVR The Cloud Terrace that is connected, realizes the Long-distance Control of serial ports keyboard to the DVR The Cloud Terrace by the transfer of data of 485 Serial Port Lines after with decapsulation thus.Because DVR continued to connect with decoder by long connection of TCP, serial data that therefore can the transmission of circular wait decoder, and send to the DVR The Cloud Terrace in real time.
Referring to Fig. 4, be the structural representation of a kind of supervisory control system of the method embodiment that uses the application's control data transmission.
Comprise in this supervisory control system: decoder 410, serial ports keyboard 420, some DVR430 and some DVR The Cloud Terraces 440.Wherein, decoder 410 links to each other with serial ports keyboard 420 by 485 Serial Port Lines, and decoder 410 connects by network and some DVR430, and each DVR430 is connected with some DVR The Cloud Terraces 440.
Be transferred to serial data in the process of DVR The Cloud Terrace 440 by serial ports keyboard 420, serial ports keyboard 420 is transferred to decoder 410 with the serial data of operator's input by Serial Port Line, decoder 410 is set up TCP respectively with some DVR430 and is connected, and behind the serial data that receives serial ports keyboard 420 transmission this serial data of buffer memory, the connection of decoder 410 by setting up for each DVR430, the serial data of buffer memory is sent to each DVR430, after DVR430 receives this serial data, this serial data is write the DVR The Cloud Terrace 440 that links to each other with this DVR430 by 485 Serial Port Lines.
Corresponding with the embodiment of the method for the application's control data transmission, the application also provides the embodiment of supervisory control system and decoder.
Referring to Fig. 5, be the embodiment block diagram of the application's supervisory control system.
This system comprises: decoder 510, serial ports keyboard 520, some DVR530 and some DVR The Cloud Terraces 540.Wherein, decoder 510 links to each other with serial ports keyboard 520 by Serial Port Line, links to each other with some DVR530 by network, and each DVR530 links to each other with some DVR The Cloud Terraces 540.Need to prove that Fig. 5 only is exemplary description, therefore wherein only show a DVR530 and a DVR The Cloud Terrace 540.
Wherein, serial ports keyboard 520 is used for the serial data of input is transferred to described decoder 510 by Serial Port Line;
Described decoder 510, be used for connecting respectively with described some DVR530, receive the serial data and the described serial data of buffer memory of 520 transmission of described serial ports keyboard, and by connection, the serial data of described buffer memory is sent to described each DVR530 for each DVR530 foundation;
Described DVR530, be used to receive described serial data after, described serial data is write the DVR The Cloud Terrace 540 that links to each other with described DVR530 by Serial Port Line.
Referring to Fig. 6, be the first embodiment block diagram of the application's decoder, this decoder application is in the supervisory control system of being made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces.
This decoder comprises: linkage unit 610, buffer unit 620 and transmitting element 630.
Wherein, linkage unit 610 is used for connecting respectively with described some DVR;
Transmitting element 630 is used for the connection of setting up by for each DVR, and the serial data of described buffer memory is sent to described each DVR.
Referring to Fig. 7, be the second embodiment block diagram of the application's decoder, this decoder application is in the supervisory control system of being made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces.
This decoder comprises: linkage unit 710, record cell 720, buffer unit 730 and transmitting element 740.
Wherein, linkage unit 710 is used for connecting respectively with described some DVR;
Transmitting element 740 is used for the connection of setting up by for each DVR, and the serial data of described buffer memory is sent to described each DVR.
Concrete, linkage unit 710 can comprise (not shown among Fig. 7): detect linkage unit, be used for sequence detection and whether set up TCP with each DVR and be connected; Send request unit, be used for when described detection linkage unit detects the DVR that does not set up the TCP connection, send the TCP connection request to the described DVR that does not set up the TCP connection; The unit that connects is used for the connection response returned according to described DVR, and sets up TCP between the described DVR and is connected.
Concrete, buffer unit 730 can comprise (not shown among Fig. 7): judge buffer unit, be used to judge whether the memory space in the buffering area is empty; The image data unit is used for when the described memory space of described judgment unit judges is sky, gathers the serial data of described serial ports keyboard transmission from serial ports; Data cached unit, the described serial data that is used for gathering is cached in the described memory space.
Concrete, transmitting element 740 can comprise (not shown among Fig. 7): the copy encapsulation unit is used to copy the serial data of described buffer memory and encapsulates described serial data; Read information unit, be used for order and read the TCP link information that described TCP connection tabulation is set up for each DVR; The order transmitting element is used for the serial data after the described encapsulation is sent to corresponding D VR according to the described order that reads.
As seen through the above description of the embodiments, in the supervisory control system that the embodiment of the present application is applied to be made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, wherein decoder and some DVR connect respectively, after decoder receives the serial data and buffer memory serial data of serial ports keyboard transmission, by the connection of setting up, the serial data of buffer memory is sent to each DVR for each DVR.The embodiment of the present application receives the serial data of serial ports keyboard transmission by decoder, and serial data is transferred to each DVR by the connection of setting up, mode by the keyboard input has realized that operating process is directly perceived to the control of DVR and The Cloud Terrace thereof thus, and mode of operation is simple; And, owing to can realize multitask synchronously to DVR transmitting serial port data on the decoder, therefore can realize the transmission of serial data within a short period of time, improved the real-time performance of supervisory control system.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that the application's technical scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the application or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is difference with other embodiment.Especially, for system embodiment, because it is substantially similar in appearance to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in distributed computing environment (DCE), put into practice the application, in these distributed computing environment (DCE), by by communication network connected teleprocessing equipment execute the task.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Though described the application by embodiment, those of ordinary skills know, the application has many distortion and variation and the spirit that do not break away from the application, wish that appended claim comprises these distortion and variation and the spirit that do not break away from the application.
Claims (13)
1. the method for a control data transmission is characterized in that, in the supervisory control system that is applied to be made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, described method comprises:
Described decoder and described some DVR connect respectively;
Described decoder receives the serial data and the described serial data of buffer memory of described serial ports keyboard transmission, and described serial data is the data by described serial ports keyboard input;
Described decoder is by the connection for each DVR foundation, and the serial data of described buffer memory is sent to described each DVR.
2. method according to claim 1 is characterized in that, described decoder and described some DVR connect respectively and comprise:
Whether described decoder sequence detection sets up TCP with each DVR is connected;
When detecting the DVR that does not set up the TCP connection, send the TCP connection request to the described DVR that does not set up the TCP connection;
The connection response of returning according to described DVR and is set up TCP between the described DVR and is connected.
3. method according to claim 1 is characterized in that, serial data and the described serial data of buffer memory that described decoder receives described serial ports keyboard transmission comprise:
Described decoder judges that the memory space in the buffering area is empty;
Described decoder is gathered the serial data of described serial ports keyboard transmission from serial ports;
The described serial data that described decoder will be gathered is cached in the described memory space.
4. method according to claim 1 is characterized in that, described decoder with also comprise after some DVR connect respectively: described decoder is connected the TCP link information that is recorded as each DVR foundation in the tabulation at the TCP that sets up.
5. method according to claim 4 is characterized in that, described decoder is by the connection for each DVR foundation, the serial data of described buffer memory is sent to described each DVR comprises:
Described decoder copies the serial data of described buffer memory and encapsulates described serial data;
Described decoder reads described TCP in proper order and connects the TCP link information of setting up for each DVR in the tabulation;
The serial data of described decoder after with described encapsulation sends to corresponding D VR according to the described order that reads.
6. method according to claim 1 is characterized in that, also comprises:
After described DVR receives described serial data, described serial data is write the DVR The Cloud Terrace that links to each other with described DVR by Serial Port Line.
7. a supervisory control system is characterized in that, comprising: decoder, and the serial ports keyboard that is connected with described decoder by Serial Port Line, the some DVR that link to each other with described decoder by network, and the some DVR The Cloud Terraces that connect by each described DVR, wherein,
Described serial ports keyboard is used for the serial data of input is transferred to described decoder by Serial Port Line;
Described decoder is used for connecting respectively with described some DVR, receives the serial data and the described serial data of buffer memory of described serial ports keyboard transmission, and by the connection for each DVR foundation, and the serial data of described buffer memory is sent to described each DVR.
8. system according to claim 7 is characterized in that described DVR also is used for, receive described serial data after, described serial data is write the DVR The Cloud Terrace that links to each other with described DVR by Serial Port Line.
9. a decoder is characterized in that, in the supervisory control system that is applied to be made up of serial ports keyboard, decoder, some DVR and some DVR The Cloud Terraces, described decoder comprises:
Linkage unit is used for connecting respectively with described some DVR;
Buffer unit is used to receive serial data and the described serial data of buffer memory that described serial ports keyboard transmits, and described serial data is the data by described serial ports keyboard input;
Transmitting element is used for the connection of setting up by for each DVR, and the serial data of described buffer memory is sent to described each DVR.
10. decoder according to claim 9 is characterized in that, described linkage unit comprises:
Detect linkage unit, be used for sequence detection and whether set up TCP and be connected with each DVR;
Send request unit, be used for when described detection linkage unit detects the DVR that does not set up the TCP connection, send the TCP connection request to the described DVR that does not set up the TCP connection;
The unit that connects is used for the connection response returned according to described DVR, and sets up TCP between the described DVR and is connected.
11. decoder according to claim 9 is characterized in that, described buffer unit comprises:
Judge buffer unit, be used to judge whether the memory space in the buffering area is empty;
The image data unit is used for when the described memory space of described judgment unit judges is sky, gathers the serial data of described serial ports keyboard transmission from serial ports;
Data cached unit, the described serial data that is used for gathering is cached in the described memory space.
12. decoder according to claim 9 is characterized in that, described decoder also comprises:
Record cell is used for connecting tabulation at the TCP that sets up and is recorded as the TCP link information that each DVR sets up.
13. decoder according to claim 12 is characterized in that, described transmitting element comprises:
The copy encapsulation unit is used to copy the serial data of described buffer memory and encapsulates described serial data;
Read information unit, be used for order and read the TCP link information that described TCP connection tabulation is set up for each DVR;
The order transmitting element is used for the serial data after the described encapsulation is sent to corresponding D VR according to the described order that reads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216831A CN101873305A (en) | 2009-12-31 | 2009-12-31 | Data transmission control method, monitoring system and decoder thereof |
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| CN200910216831A CN101873305A (en) | 2009-12-31 | 2009-12-31 | Data transmission control method, monitoring system and decoder thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060076A (en) * | 2016-07-11 | 2016-10-26 | 北京工商大学 | Real-time streaming media multi-path forwarding method and system based on HIKVISION equipment |
| CN113741718A (en) * | 2020-05-29 | 2021-12-03 | 杭州海康威视数字技术股份有限公司 | Control data conversion method and device and master control equipment |
-
2009
- 2009-12-31 CN CN200910216831A patent/CN101873305A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060076A (en) * | 2016-07-11 | 2016-10-26 | 北京工商大学 | Real-time streaming media multi-path forwarding method and system based on HIKVISION equipment |
| CN113741718A (en) * | 2020-05-29 | 2021-12-03 | 杭州海康威视数字技术股份有限公司 | Control data conversion method and device and master control equipment |
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Application publication date: 20101027 |