CN102413286B - Unsteady signal self-adaptive processing method based on round-robin - Google Patents
Unsteady signal self-adaptive processing method based on round-robin Download PDFInfo
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- CN102413286B CN102413286B CN 201110403908 CN201110403908A CN102413286B CN 102413286 B CN102413286 B CN 102413286B CN 201110403908 CN201110403908 CN 201110403908 CN 201110403908 A CN201110403908 A CN 201110403908A CN 102413286 B CN102413286 B CN 102413286B
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Abstract
The invention discloses an unsteady signal self-adaptive processing method based on round-robin. In the method, signal change automatic detection and signal change judgment logic owned by a video service platform are combined together, thereby furthest limiting the interference of unsteady signals with the operation of a video service system while keeping the normal signal change unaffected. The invention can solve the problems, such as the interference of unsteady signals with the operation of the system, the self-adaptation during the change of the signal condition, the adjustment based on the characteristics of specific signals and the like.
Description
Technical field
The invention belongs to the large-screen field of video monitoring, be specifically related to a kind of signal processing method for large-screen Video service platform, relate in particular to a kind of unstable signal adaptive processing method based on round-robin.
Background technology
Owing to reasons such as signal interference, cable quality, distinctive signal sources, there is one or more unsettled passage in the signal source passage that the Video service platform is accepted usually.This unsettled passage can not timing, change self video parameters such as frequency, phase place continually.The Video service platform has caught this variation at short notice in a large number, and response is made in this variation, can cause system resource in a large number occupied, effective signal change and adverse consequences such as be dropped.
In the signal source that the Video service platform is managed, there is the various types of signal of multiple form different systems.All kinds of parameters of signal may change at any time.To the catching and responding of this variation, it is one of basic function of Video service platform.Analyze but most service platforms can't change signal, the variation that receives is not added any judgement directly respond, have blindness.The execution that some Video service platform can arrange respective function simply whether, but this arranges all changes is all worked, make the Video service platform to operate targetedly at some signal at one time, thus cause system resource in a large number occupied, effective signal change and adverse consequences such as be dropped.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of unstable signal adaptive processing method based on round-robin, with solve unstable signal to the interference of system operation, when signal condition changes self adaptation, at the problems such as adjustment of signal specific characteristics.
In order to solve the problems of the technologies described above, the invention provides a kind of unstable signal adaptive processing method based on round-robin, comprise the steps:
(1) video service system is changed the response the take arrangement that unitizes for signal;
(2) obtain unknown signal and change, and distinguish the signal that this variation is affiliated;
(3) by self-defining decision logic, take appropriate measures; In decision logic, at the change type of unlike signal, do as giving a definition and handling:
A. at first detect this signal and change the time of taking place, the time that this time and this signal were changed last time compares, and whether judgement time is at interval above a certain set point:
If the time interval surpasses a certain set point, then think normal variation, forward step C to;
If the time interval within a certain set point, judges that then this signal is the unstable signal that leaves a question open, and enters step B;
B. event counter increases one, and judges whether this event counter has reached a certain default critical value:
If do not reach a certain default critical value, then continue to keep the variation to this signal to catch automatically, forward step D to;
If reached critical value, event counter is reset and is rewritten the fault-tolerant time of this signal, and stops the automatic seizure to this signal; At the same time, the timing that starts this signal is fault-tolerant, when through behind a certain Preset Time, restarts the automatic seizure to this signal, finishes;
C. event counter is reset and is rewritten the fault-tolerant time of this signal;
D. handle normal response through the generic response function, finish.
In step (1), following method is adopted in described unitized arrangement: initializing signal counter, fault-tolerant time of signal and three variablees of timer.Described initializing signal counter, fault-tolerant time of signal are specially: set the standard of distinguishing of unstable signal, namely how long in the continuous variation of how many times, can assert that this signal is unstable signal; Described initialization timing implement body is: system's estimated time that the setting signal state changes, namely how long the back system will attempt catching the variation of this signal again.
Step (2) is specially: when new signal inserts or has signal and changes, system at first obtains this change notification by signal collecting device, call application layer simultaneously and enumerate active signal again, with the attribute of newly-increased signal with call application layer and enumerate the attribute of the active signal that obtains again and compare, if condition meets (signal attributes such as traffic identifier, signal format, signal refreshing frequency are identical), accurate framing signal then, thus the details of the relevant signal that changes obtained.
Compared with prior art, beneficial effect of the present invention is:
1. carry out special processing at unsettled signal source passage, both can eliminate unstable signal source frequent variations to the influence of system, the system that can not influence again is to effective seizure of other signal sources.
2. by initializing signal counter, fault-tolerant time of signal, three variablees of timer, can be easily make appropriate configuration at the system of different scales, degree of stability, usage is convenient and simple.
3. eliminate when fault, when signal source was changed to stable state by labile state, system need not manual intervention just can make corresponding adjustment, the automaticity height.
Description of drawings
Fig. 1 is the schematic diagram of the inventive method;
Fig. 2 is the flow chart of the inventive method.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As depicted in figs. 1 and 2, the present invention is based on the unstable signal adaptive processing method of round-robin, mainly comprise the steps:
Step 1 changes the response the take arrangement that unitizes with video service system for signal.Particular content comprises: the fault-tolerant time of initializing signal counter and signal, set the standard of distinguishing of unstable signal, namely how long in the continuous variation of how many times, can assert that this signal is unstable signal.The initialization timing device, system's estimated time that the setting signal state changes, namely how long the back system will attempt catching the variation of this signal again.Generally need according to the particular system environmental quality, event counter, fault-tolerant time of signal and timer are set the initial value that is fit to, to satisfy the optimum of concrete signal is handled behavior.For example, in concrete the application, can earlier event counter be made as certain higher value (as 100), the fault-tolerant time of signal is made as certain than long value (as 5 minutes), and timer is made as certain smaller value (as 1 minute).Start software then.After operation a period of time, check log information.The Changing Pattern of unstable signal is very fast as change frequency in the analytical system, then the event counter value is suitably turned down, and the fault-tolerant time of signal suitably reduces.Change comparatively fast as signal condition, then timer can be made as smaller value.Through adjusting several times, make initializaing variable adapt to concrete deployed environment.
Step 2 obtains unknown signal and changes, and distinguishes the signal under this variation.When new signal inserted or has signal and changes, system at first obtained this change notification by signal collecting device.The information that this notice comprises is less, generally need application layer to enumerate active signal again, the attribute of enumerating the active signal that obtains in some attribute (the specific object title depends on concrete collecting device) of newly-increased signal and the system is at present compared one by one, if condition meets (for example attributes such as traffic identifier, signal format, signal refreshing frequency are identical), accurate framing signal then, thereby obtain the details of the relevant signal that changes, thereby distinguish the signal under this variation.
Step 3 by self-defining decision logic, takes appropriate measures.In decision logic, at the change type of unlike signal, this technical scheme has all been done following corresponding definition and appropriate processing:
A usual performance of unsettled signal is in cycle short period, irregular variation to take place frequently.So when unsettled signal was judged, repeatedly changing the time of being separated by was the basis for estimation of a key.Concrete deterministic process is: at first detect this signal and change the time of taking place, the time that this time and this signal were changed last time compares, whether judgement time surpasses a certain set point (this set point relies on the concrete signal performance, by setting in step 1 initialization procedure) at interval:
If the time interval surpasses a certain set point, then think normal variation, event counter is reset and is rewritten the fault-tolerant time of this signal (namely recomputating the fault-tolerant time of signal), carries out the normal response that normal signal changes after the generic response function is handled, and finishes.
If the time interval within a certain set point, judges that then this signal is the unstable signal that leaves a question open, event counter increases one; Next judge the change frequency of this signal in a certain set time, judge namely whether this event counter has reached a certain default critical value.If no, then continue to keep the variation to this signal to catch automatically, after handling, the generic response function carries out the normal response that normal signal changes.If reached critical value, event counter is reset and is rewritten the fault-tolerant time of this signal (namely recomputating the fault-tolerant time of signal), and stops the automatic seizure to this signal.At the same time, the timing that starts this signal is fault-tolerant, namely starts timer, when through behind a certain Preset Time, restarts the automatic seizure to this signal, thereby has realized the self adaptation to the signal condition variation.
The signal variation that the present invention has the Video service platform detects automatically with signal variation decision logic and combines, thereby has realized when not influencing the normal signal variation, farthest limits unstable signal the operation of video service system is disturbed.Before implementing the inventive method, need according to the particular system environmental quality, event counter, fault-tolerant time of signal and timer are set the initial value that is fit to, to satisfy the optimum of concrete signal is handled behavior.
The present invention can be deployed in the middle of the Video service plateform system in force, with the unified operation of Video service platform.Adopt the inventive method to address the problem: to seizure and the processing of unstable signal; Self adaptation to the signal condition variation; By initialization, can adapt to the labile state signal of any characteristics.
Claims (5)
1. the unstable signal adaptive processing method based on round-robin that is used for the Video service platform is characterized in that, comprises the steps:
(1) video service system is changed the response the take arrangement that unitizes for signal;
(2) obtain unknown signal and change, and distinguish the signal that this variation is affiliated;
(3) by self-defining decision logic, take appropriate measures; In decision logic, at the change type of unlike signal, do as giving a definition and handling:
A. at first detect this signal and change the time of taking place, the time that this time and this signal were changed last time compares, and whether judgement time is at interval above a certain set point:
If the time interval surpasses a certain set point, then think normal variation, forward step C to;
If the time interval within a certain set point, judges that then this signal is the unstable signal that leaves a question open, and enters step B;
B. event counter increases one, and judges whether this event counter has reached a certain default critical value:
If do not reach a certain default critical value, then continue to keep the variation to this signal to catch automatically, forward step D to;
If reached critical value, event counter is reset and is rewritten the fault-tolerant time of this signal, and stops the automatic seizure to this signal; At the same time, the timing that starts this signal is fault-tolerant, when through behind a certain Preset Time, restarts the automatic seizure to this signal, finishes;
C. event counter is reset and is rewritten the fault-tolerant time of this signal;
D. handle normal response through the generic response function, finish.
2. the unstable signal adaptive processing method based on round-robin as claimed in claim 1, it is characterized in that, in step (1), following method is adopted in described unitized arrangement: initializing signal counter, fault-tolerant time of signal and three variablees of timer.
3. the unstable signal adaptive processing method based on round-robin as claimed in claim 2, it is characterized in that, described initializing signal counter, fault-tolerant time of signal are specially: the standard of distinguishing of setting unstable signal, the continuous variation of how many times in namely how long can assert that this signal is unstable signal; Described initialization timing implement body is: system's estimated time that the setting signal state changes, namely how long the back system will attempt catching the variation of this signal again.
4. the unstable signal adaptive processing method based on round-robin as claimed in claim 1, it is characterized in that, step (2) is specially: when new signal inserts or has signal and changes, system at first obtains this change notification by signal collecting device, call application layer simultaneously and enumerate active signal again, with the attribute of newly-increased signal with call application layer and enumerate the attribute of the active signal that obtains again and compare, if condition meets, accurate framing signal then, thus the details of the relevant signal that changes obtained.
5. the unstable signal adaptive processing method based on round-robin as claimed in claim 4, it is characterized in that, in step (2), the described attribute that will increase signal newly with call application layer and enumerate the attribute of the active signal that obtains again and compare, if comprise that the signal attribute of traffic identifier, signal format, signal refreshing frequency is identical, accurate framing signal then, thus the details of the relevant signal that changes obtained.
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| CN1423270A (en) * | 2001-12-04 | 2003-06-11 | 财团法人工业技术研究院 | System for detecting signal dither and its correcting method |
| US6636987B1 (en) * | 1999-09-13 | 2003-10-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device for determining a synchronization fault in a network node |
| CN101907866A (en) * | 2010-08-06 | 2010-12-08 | 北京交通大学 | Fault diagnosis method of fault safety system |
| CN102196244A (en) * | 2011-04-06 | 2011-09-21 | 大道计算机技术(上海)有限公司 | Service-based video signal calling system and implementation method thereof |
| CN202009462U (en) * | 2011-04-06 | 2011-10-12 | 大道计算机技术(上海)有限公司 | Service-based video signal invoking system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005008975A1 (en) * | 2005-02-28 | 2006-08-31 | Robert Bosch Gmbh | Processor system monitoring method, involves newly starting cyclic permutation of two timers, if one of processes is started, and displaying error signal, if time interval detected by timer exceeds pre-determined maximum time interval |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6636987B1 (en) * | 1999-09-13 | 2003-10-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device for determining a synchronization fault in a network node |
| CN1423270A (en) * | 2001-12-04 | 2003-06-11 | 财团法人工业技术研究院 | System for detecting signal dither and its correcting method |
| CN101907866A (en) * | 2010-08-06 | 2010-12-08 | 北京交通大学 | Fault diagnosis method of fault safety system |
| CN102196244A (en) * | 2011-04-06 | 2011-09-21 | 大道计算机技术(上海)有限公司 | Service-based video signal calling system and implementation method thereof |
| CN202009462U (en) * | 2011-04-06 | 2011-10-12 | 大道计算机技术(上海)有限公司 | Service-based video signal invoking system |
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