CN101873439A - Method, system and decoder for switching monitoring channel - Google Patents
Method, system and decoder for switching monitoring channel Download PDFInfo
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- CN101873439A CN101873439A CN201010004283A CN201010004283A CN101873439A CN 101873439 A CN101873439 A CN 101873439A CN 201010004283 A CN201010004283 A CN 201010004283A CN 201010004283 A CN201010004283 A CN 201010004283A CN 101873439 A CN101873439 A CN 101873439A
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Abstract
The invention discloses a method, a system and a decoder for switching a monitoring channel. The method adopts at least one decoder, and each decoder is directly connected with a keyboard to receive information from the keyboard. The method comprises the following steps of: storing imported DVR channel information and imported decoder channel information into each decoder respectively; receiving switching control instructions from the keyboard, and searching the DVR channel information and the decoder channel information according to a DVR channel digital number and a decoder channel digital number respectively to acquire DVR channel identifier information and practical output channel number of the decoder; and setting parameters corresponding to the searched DVR channel identifier information into the corresponding parameters of a practical output channel of the decoder, and updating the configuration parameters of the decoder so as to realize switch of the monitoring channel. The method, the system and the decoder solve the problems of high cost, complex implementation, insufficiently flexible operation and poor expandability in the prior art.
Description
Technical field
The present invention relates to technical field of video monitoring, particularly a kind of method of switching monitoring channel, system and decoder.
Background technology
A supervisory control system exists a lot of digital hard disc video recorders (DVR) and control point, and the monitor and the decoder of Surveillance center's configuration are limited, can't realize man-to-man demonstration and monitoring, promptly the quantity of the display device of Surveillance center can be far smaller than the quantity of control point.
In the prior art, when controlling decoder control video wall, normally realize by the configuration analog matrix.Concrete, DVR digital coding passage all is converted to analog channel by decoder, then all analog video signals on the described analog channel are all inserted analog matrix,, realize showing on the video wall video information of different DVR digital coding passages by the operation simulation matrix.
For the control of analog matrix, also need matrix controller, matrix supervisory keyboard etc., function that some is complicated even the special PC of needs are configured.In addition, the scheme of analog matrix also needs the distribution of vision signal, the recording function that multiplexing equipment is realized DVR; If comprise a large amount of digital coding passages in the vision signal, analog matrix must be reduced into analog signal with these digital coding passages by digital decoder earlier, then access matrix.Therefore, in current network digital video surveillance applications, there is the cost height, realizes complicated, as to operate underaction, poor expandability shortcoming.
Summary of the invention
The embodiment of the invention provides a kind of method, system and decoder of switching monitoring channel, to solve cost height in the prior art, to realize complicated, as to operate underaction, poor expandability problem.
The embodiment of the invention provides a kind of method of switching monitoring channel, comprising: at least one decoder, and each decoder all directly links to each other with keyboard, receives the information from keyboard; Described method comprises:
Each decoder is preserved the DVR channel information and the decoder channel information of importing respectively;
Reception wherein, comprises DVR passage numeral number and decoder passage numeral number from the switching controls instruction of keyboard in the described control command;
Inquire about described DVR channel information and decoder channel information respectively according to described DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of described decoder passage numeral number corresponding decoder number with described DVR passage numeral number;
The described pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of described decoder, upgrades the configuration parameter of described decoder, realize the switching of monitor channel.
Wherein, after the described switching controls instruction that receives from keyboard, further comprise:
Judge whether the decoder passage numeral number in this instruction belongs in decoder self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to described DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
Wherein, described DVR channel information and decoder channel information are stored in internal memory and/or the hard disk.
Wherein, described DVR channel information comprises DVR passage numeral number and DVR gap marker information, and the corresponding relation of DVR passage numeral number and DVR gap marker information;
Described decoder channel information comprises decoder passage numeral number and actual output channel number, and the corresponding relation of decoder passage numeral number and actual output channel number.
Wherein, described DVR channel information and decoder channel information exist in the mode of tabulation, or exist in the mode of array, or exist in the mode of pointer.
Wherein, described switching controls instruction from keyboard receives by serial ports.
The embodiment of the invention also provides a kind of system of switching monitoring channel, comprising:
Keyboard directly links to each other with each decoder, sends the switching controls instruction to decoder; Wherein, comprise DVR passage numeral number and decoder passage numeral number in the described control command;
At least one decoder is used to preserve the DVR channel information and the decoder channel information of importing; Reception is from the switching controls instruction of keyboard, inquire about described DVR channel information and decoder channel information respectively according to described DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of described decoder passage numeral number corresponding decoder number with described DVR passage numeral number; The described pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of described decoder, upgrades the configuration parameter of described decoder, realize the switching of monitor channel.
Wherein, described decoder receives from after the instruction of the switching controls of keyboard, be used for also judging whether the decoder passage numeral number of this instruction belongs in decoder self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to described DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
Wherein, described DVR channel information comprises DVR passage numeral number and DVR gap marker information, and the corresponding relation of DVR passage numeral number and DVR gap marker information;
Described decoder channel information comprises decoder passage numeral number and actual output channel number, and the corresponding relation of decoder passage numeral number and actual output channel number.
The embodiment of the invention also provides a kind of decoder, comprising:
Information storage module is used to preserve the DVR channel information and the decoder channel information of importing;
Enquiry module, be used to receive switching controls instruction from keyboard, inquire about described DVR channel information and decoder channel information respectively according to described DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of described decoder passage numeral number corresponding decoder number with described DVR passage numeral number;
Dispose handover module, be used for the described pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of described decoder, upgrade the configuration parameter of described decoder, realize the switching of monitor channel.
Use the embodiment of the invention, by preserving DVR channel information and the decoder channel information that imports, parsing is from the serial data of keyboard, obtaining two numberings is DVR passage numeral number and decoder passage numeral number, inquire about DVR channel information and decoder channel information respectively according to two numberings, obtain DVR gap marker information and the actual output channel of decoder number; The configuration of final updating decoder parameters realizes the switching of video output.
The embodiment of the invention is based on the notion of digital channel, by on every decoder, importing DVR channel information and decoding channel number, allow every decoder all remove to resolve serial data, inquire the passage that conforms to local information, dispose the method for local decode parameter then, realized the last wall handoff functionality of matrix; Owing to can preserve DVR channel information and the decoder channel information that is imported in a variety of forms, thereby its autgmentability is strong; Mode by the customizing keyboard agreement defines serial data form and keyboard operation mode, simple and flexible; Mode by software realizes switching, and cost is low and need not wiring, and bigger practicality is arranged in real world applications.The embodiment of the invention has solved cost height in the prior art, has realized complicated, as to operate underaction, poor expandability problem.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the invention process, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, 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 supervisory control system network diagram according to the embodiment of the invention;
Fig. 2 is the method flow diagram according to the switching monitoring channel of the embodiment of the invention;
Fig. 3 is the system configuration schematic diagram according to the switching monitoring channel of the embodiment of the invention;
Fig. 4 is the structural representation according to the decoder of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Referring to Fig. 1, it is the supervisory control system network diagram according to the embodiment of the invention.100 groups of remote supervisory and control(ling) equipments are connected to Surveillance center 300 by network 200.Wherein, remote supervisory and control(ling) equipment 100 comprises a plurality of DVR equipment, comprises decoder apparatus group 310, video wall 320 and keyboard 330 in the Surveillance center 300.Keyboard 330 directly links to each other respectively by serial ports with each decoder in the present embodiment, and each decoder can directly receive the instruction from keyboard.
Referring to Fig. 2, it is the method flow diagram according to the switching monitoring channel of the embodiment of the invention, in the present embodiment, comprises at least one decoder, and each decoder all directly links to each other with keyboard, receives the information from keyboard; This method can specifically comprise:
Concrete, this DVR channel information and decoder channel information can be stored in internal memory and/or the hard disk.
Above-mentioned DVR channel information and decoder channel information can exist in the mode of tabulation, or exist in the mode of array, or exist in the mode of pointer, below only exist in the mode of tabulation and promptly save as example and describe with DVR channel information and decoder channel information, for other preserving types, its processing mode is similar, no longer describes in detail.
Above-mentioned DVR channel information can specifically comprise DVR passage numeral number and DVR gap marker information, and the corresponding relation of DVR passage numeral number and DVR gap marker information; For example, table 1 is an instantiation:
Table 1
| DVR passage numeral number | DVR gap marker information |
| DVR passage numeral number 1 | DVR gap marker information 1 |
| DVR passage numeral number | DVR gap marker information |
| DVR passage numeral number 2 | DVR gap marker information 2 |
| DVR passage numeral number 3 | DVR gap marker information 3 |
| ??...... | ??...... |
Wherein, DVR gap marker information comprises that these are actually used in the information of obtaining the DVR preview image as IP address, port, user name, password, monitor channel number, network connection protocol, code stream type etc.
Above-mentioned decoder channel information can specifically comprise decoder passage numeral number and actual output channel number, and the corresponding relation of decoder passage numeral number and actual output channel number.Each decoder only has an actual output channel.For example, table 2 is instantiations:
Table 2
| Decoder passage numeral number | The actual output channel of decoder number |
| Decoder passage numeral number 1 | Actual output channel number 1 |
| Decoder passage numeral number 2 | Actual output channel numbers 2 |
| Decoder passage numeral number 3 | Actual output channel numbers 3 |
| ?...... | ??...... |
Switching controls instruction from keyboard receives by serial ports.
During specific implementation, can define serial data form and keyboard operation mode, in the embodiment of the invention, the serial port protocol between keyboard and the decoder not done qualification by the mode of customizing keyboard agreement.
For example, be that DVR passage numeral number and decoder passage numeral number are inquired about above-mentioned table 1 and table 2 respectively according to two numberings that receive, can obtain with it corresponding DVR gap marker information and the actual output channel of decoder number;
For example, DVR gap marker information such as IP address, port, user name, password, monitor channel number, network connection protocol, code stream type etc. can be set to the pairing parameter of decoder output channel, afterwards, the configuration parameter of new decoder more, display on the video wall promptly can show the video pictures of specifying the DVR passage according to updated parameters, has promptly realized the switching of monitor channel.
Need to prove, because each decoder all directly links to each other with keyboard, and reception is from the switching command of keyboard, thereby, after certain decoder receives from the instruction of the switching controls of keyboard, may further include: judge whether the decoder passage numeral number in this instruction belongs in decoder self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
As seen, the method of the switching monitoring channel that the application embodiment of the invention provides, by preserving DVR channel information and the decoder channel information that imports, parsing is from the serial data of keyboard, obtaining two numberings is DVR passage numeral number and decoder passage numeral number, inquire about DVR channel information and decoder channel information respectively according to two numberings, obtain DVR gap marker information and the actual output channel of decoder number; The configuration of final updating decoder parameters realizes the switching of video output.
The embodiment of the invention is based on the notion of digital channel, by on every decoder, importing DVR channel information and decoding channel number, allow every decoder all remove to resolve serial data, inquire the passage that conforms to local information, dispose the method for local decode parameter then, realized the last wall handoff functionality of matrix; Owing to can preserve DVR channel information and the decoder channel information that is imported in a variety of forms, thereby its autgmentability is strong; Mode by the customizing keyboard agreement defines serial data form and keyboard operation mode, simple and flexible; Mode by software realizes switching, and cost is low and need not wiring, and bigger practicality is arranged in real world applications.To sum up, solved the problem of cost height, realization complexity, operation underaction, poor expandability in the prior art.
The embodiment of the invention also provides a kind of system of switching monitoring channel, referring to Fig. 3, specifically comprises:
At least one decoder 302 is used to preserve the DVR channel information and the decoder channel information of importing; Reception is from the switching controls instruction of keyboard 301, inquire about DVR channel information and decoder channel information respectively according to DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of decoder passage numeral number corresponding decoder number with DVR passage numeral number; The pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of decoder, and more the configuration parameter of new decoder 302 is realized the switching of monitor channel.
Above-mentioned decoder 302 receives from after the instruction of the switching controls of keyboard 301, whether the decoder passage numeral number that also is used for judging this instruction belongs in decoder 302 self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
Above-mentioned DVR channel information comprises DVR passage numeral number and DVR gap marker information, and the corresponding relation of DVR passage numeral number and DVR gap marker information; The decoder channel information comprises decoder passage numeral number and actual output channel number, and the corresponding relation of decoder passage numeral number and actual output channel number.
The system of the switching monitoring channel that the application embodiment of the invention provides, by preserving DVR channel information and the decoder channel information that imports, parsing is from the serial data of keyboard, obtaining two numberings is DVR passage numeral number and decoder passage numeral number, inquire about DVR channel information and decoder channel information respectively according to two numberings, obtain DVR gap marker information and the actual output channel of decoder number; The configuration of final updating decoder parameters realizes the switching of video output.Owing to can preserve DVR channel information and the decoder channel information that is imported in a variety of forms, thereby its autgmentability is strong; Mode by the customizing keyboard agreement defines serial data form and keyboard operation mode, simple and flexible; Mode by software realizes switching, and cost is low and need not wiring, and bigger practicality is arranged in real world applications.Solve cost height in the prior art, realized complicated, as to operate underaction, poor expandability problem.
The embodiment of the invention also provides a kind of decoder, referring to Fig. 4, specifically comprises:
Dispose handover module 403, be used for the pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of decoder, more the configuration parameter of new decoder is realized the switching of monitor channel.
Above-mentioned decoder can also comprise judge module, after being used to receive switching controls instruction from keyboard, judge whether the decoder passage numeral number in this instruction belongs in decoder self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
Use the decoder that the embodiment of the invention provides, by preserving DVR channel information and the decoder channel information that imports, parsing is from the serial data of keyboard, obtaining two numberings is DVR passage numeral number and decoder passage numeral number, inquire about DVR channel information and decoder channel information respectively according to two numberings, obtain DVR gap marker information and the actual output channel of decoder number; The configuration of final updating decoder parameters realizes the switching of video output.Owing to can preserve DVR channel information and the decoder channel information that is imported in a variety of forms, thereby its autgmentability is strong; Mode by the customizing keyboard agreement defines serial data form and keyboard operation mode, simple and flexible; Mode by software realizes switching, and cost is low and need not wiring, and bigger practicality is arranged in real world applications.Solve cost height in the prior art, realized complicated, as to operate underaction, poor expandability problem.
For system and decoder 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.
Need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the said method execution mode is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, here the alleged storage medium that gets, as: ROM/RAM, magnetic disc, CD etc.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (10)
1. the method for a switching monitoring channel is characterized in that, comprising: at least one decoder, and each decoder all directly links to each other with keyboard, receives the information from keyboard; Described method comprises:
Each decoder is preserved the DVR channel information and the decoder channel information of importing respectively;
Reception wherein, comprises DVR passage numeral number and decoder passage numeral number from the switching controls instruction of keyboard in the described control command;
Inquire about described DVR channel information and decoder channel information respectively according to described DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of described decoder passage numeral number corresponding decoder number with described DVR passage numeral number;
The described pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of described decoder, upgrades the configuration parameter of described decoder, realize the switching of monitor channel.
2. method according to claim 1 is characterized in that, after the described switching controls instruction that receives from keyboard, further comprises:
Judge whether the decoder passage numeral number in this instruction belongs in decoder self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to described DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
3. method according to claim 1 is characterized in that, described DVR channel information and decoder channel information are stored in internal memory and/or the hard disk.
4. method according to claim 1 is characterized in that,
Described DVR channel information comprises DVR passage numeral number and DVR gap marker information, and the corresponding relation of DVR passage numeral number and DVR gap marker information;
Described decoder channel information comprises decoder passage numeral number and actual output channel number, and the corresponding relation of decoder passage numeral number and actual output channel number.
5. method according to claim 1 is characterized in that, described DVR channel information and decoder channel information exist in the mode of tabulation, or exist in the mode of array, or exist in the mode of pointer.
6. method according to claim 1 is characterized in that, described switching controls instruction from keyboard receives by serial ports.
7. the system of a switching monitoring channel is characterized in that, comprising:
Keyboard directly links to each other with each decoder, sends the switching controls instruction to decoder; Wherein, comprise DVR passage numeral number and decoder passage numeral number in the described control command;
At least one decoder is used to preserve the DVR channel information and the decoder channel information of importing; Reception is from the switching controls instruction of keyboard, inquire about described DVR channel information and decoder channel information respectively according to described DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of described decoder passage numeral number corresponding decoder number with described DVR passage numeral number; The described pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of described decoder, upgrades the configuration parameter of described decoder, realize the switching of monitor channel.
8. system according to claim 7 is characterized in that,
Described decoder receives from after the instruction of the switching controls of keyboard, be used for also judging whether the decoder passage numeral number of this instruction belongs in decoder self scope, if, inquire about DVR channel information table and decoder channel information table respectively according to described DVR passage numeral number and decoder passage numeral number again, otherwise, this instruction is not processed.
9. system according to claim 7 is characterized in that,
Described DVR channel information comprises DVR passage numeral number and DVR gap marker information, and the corresponding relation of DVR passage numeral number and DVR gap marker information;
Described decoder channel information comprises decoder passage numeral number and actual output channel number, and the corresponding relation of decoder passage numeral number and actual output channel number.
10. a decoder is characterized in that, comprising:
Information storage module is used to preserve the DVR channel information and the decoder channel information of importing;
Enquiry module, be used to receive switching controls instruction from keyboard, inquire about described DVR channel information and decoder channel information respectively according to described DVR passage numeral number and decoder passage numeral number, obtain the DVR gap marker information corresponding, with the actual output channel of described decoder passage numeral number corresponding decoder number with described DVR passage numeral number;
Dispose handover module, be used for the described pairing parameter of DVR gap marker information that inquires is set to the corresponding parameter of the actual output channel of described decoder, upgrade the configuration parameter of described decoder, realize the switching of monitor channel.
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