CN105610800A - Abnormal data processing method and abnormal data processing apparatus - Google Patents
Abnormal data processing method and abnormal data processing apparatus Download PDFInfo
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- CN105610800A CN105610800A CN201510968940.4A CN201510968940A CN105610800A CN 105610800 A CN105610800 A CN 105610800A CN 201510968940 A CN201510968940 A CN 201510968940A CN 105610800 A CN105610800 A CN 105610800A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/764—Media network packet handling at the destination
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
Abstract
The invention provides an abnormal data processing method and an abnormal data processing apparatus, belonging to the technical field of network stream processing. The method comprises the following steps of: by means of performing off-line decoding monitoring for segmented video streams of conversation, judging whether the current segmented video stream has a decoding abnormal phenomenon; if the current segmented video stream has the decoding abnormal phenomenon, acquiring on-line abnormal context information containing position of the decoding abnormal phenomenon in the current segmented video stream; reproducing an on-line abnormal video stream in the current segmented video stream according to the acquired abnormal context information. With the technical scheme of the invention, accuracy of reproduction and analysis aimed at abnormal data can be improved, and perfection of own fault tolerance of a video processing system is realized.
Description
Technical field
The present invention relates to network video stream processing technology field, relate in particular to a kind of different based on segmentation video flowingRegular data processing method and device.
Background technology
Along with the develop rapidly of internet, network transmission of video flow is also increasing. At network videoFrequently flow in the practice of process field, due to the characteristic of segmentation download, udp protocol, data transmission procedureIn packet loss, data sudden change etc., out of order, incomplete video flowing is existed. And processing these segmentationsIn anomalous video when stream of transmission, during as decoding, conventional method is, exception stream that can not normal decoder is directAbandon, this exception stream refers to the video flowing that video decoding system can not normal decoder, wherein also comprises due to solutionThe pseudo-exception stream that code system self reason can not be decoded.
In the time processing magnanimity segmentation video flowing, owing to occurring that for certain road session abnormal segmentation position is random,Again owing to occurring knowing after being extremely the process of aftersensation, the therefore dealing of abnormal data of conventional segmentation video flowingMethod is by whole the video segment of all sessions complete preservations, then goes to look into according to anomalous video session idAsk the exception stream of having preserved, to realize the anomaly that under line, reproduction once occurred.
Prior art deficiency is: on the one hand, and because exception stream or anomaly are along with existing Video processingSystem constantly perfect, belongs to small probability event, and catch the exception stream or the conventional solution party of anomalyMethod is for storage magnanimity segmentation video stream data, therefore, higher to host stores space requirement; On the other hand,Catch the exception after stream, because application scenarios on line changes, only rely on online under using exception stream as defeatedEnter to deliver to processing system for video and again process very difficult reproduction anomaly, even if reproduction anomaly also veryBe difficult to ensure that card and the anomaly abandoning are before in full accord, cannot locate the true cause that causes anomaly.
Summary of the invention
The embodiment of the present invention has proposed a kind of method for processing abnormal data and device, divides to solve in prior artThe method for processing abnormal data of section video flowing, higher to host stores space requirement, and anomaly cannotEnsure reproduction uniformity and the technical problem that cannot locate reason.
In one aspect, the embodiment of the present invention provides a kind of method for processing abnormal data, it is characterized in that,Comprise the steps:
The segmentation video flowing of session is carried out to decoding monitoring under line, judge whether current segmentation video flowing exists solutionCode anomaly;
If described current segmentation video flowing exists decoding anomaly, obtain and on line, comprise described current segmentationThe abnormal contextual information of the anomaly of decoding in video flowing present position;
According to extremely looking in abnormal the above the current segmentation video flowing of contextual information reproduction line gettingFrequently stream.
In yet another aspect, the embodiment of the present invention provides a kind of dealing of abnormal data device, it is characterized in that,Comprise:
Monitoring modular under line, carries out decoding monitoring under line for the segmentation video flowing to session, judges current pointWhether section video flowing there is decoding anomaly;
Acquisition module under line, if there is decoding anomaly for described current segmentation video flowing, obtains lineOn comprise the anomaly present position of decoding in described current segmentation video flowing abnormal contextual information;
Under line, reappear module, for reappearing the above current segmentation of line according to the abnormal contextual information gettingAnomalous video stream in video flowing.
Beneficial effect is as follows:
The method for processing abnormal data that the embodiment of the present invention provides and device, by identifying, catch sieve under lineAbnormal data after choosing, and analyze and add up, on joint line Real-time Obtaining specify abnormal session data andThe mode of abnormal session context information, has reduced the space expense of abnormal data storage, has improved pin simultaneouslyTo abnormal data reproduction and the accuracy analyzed, thereby realize complete to processing system for video self fault-toleranceKind.
Brief description of the drawings
Specific embodiments of the invention are described below with reference to accompanying drawings, wherein:
Fig. 1 shows the schematic flow sheet of method for processing abnormal data in the embodiment of the present invention;
Fig. 2 shows the schematic flow sheet of method for processing abnormal data on embodiment of the present invention center line;
Fig. 3 shows the structural representation of dealing of abnormal data device in the embodiment of the present invention.
Detailed description of the invention
In order to make technical scheme of the present invention and advantage clearer, below in conjunction with accompanying drawing to of the present inventionExemplary embodiment is described in more detail, and obviously, described embodiment is only of the present invention onePart embodiment, instead of all embodiment's is exhaustive. And in the situation that not conflicting, in this explanationFeature in embodiment and embodiment can be interosculated.
Inventor notices in invention process:
Because catching of the exception stream to small probability event or anomaly in prior art need to takeLarge host stores space, and under line, reappear anomaly and there is certain limitation, cannot ensure differentChang Xianxiang reappears uniformity and cannot locate the basic reason that causes anomaly. Inventor expects by differentNormal video flowing is analyzed, and improves to greatest extent the fault-tolerance of processing system for video self.
Realize the fault-tolerance of improving to greatest extent processing system for video self, need to consider following two sidesFace:
(1) in order to reduce the space expense of abnormal data storage, by rebuilding the mode of session context,Only preserve the video flowing abnormal data that occurs the current segmentation of anomaly and first segmentation of this session;
(2) the processing framework that utilizes a kind of segmentation video flowing abnormal data online and offline to combine, maximumRelated context information when anomaly appears in the reduction of limit, thus improve for abnormal data reproduction andThe accuracy of analyzing, realizes the further perfect of processing system for video.
Based on this, the embodiment of the present invention has proposed a kind of method for processing abnormal data and device, says belowBright.
Fig. 1 shows the schematic flow sheet of method for processing abnormal data in the embodiment of the present invention, as shown in the figure,Comprise:
Step 101, the segmentation video flowing of session is carried out under line to decoding monitoring, judge current segmentation video flowingWhether existence decoding anomaly.
In enforcement, the described segmentation video flowing to session carries out decoding monitoring under line and comprises:
The abnormal contextual information prestoring on management tool loaded line;
According to described abnormal contextual information, segmentation video flowing corresponding to described abnormal contextual information of decoding,And Real-Time Monitoring decode procedure.
In concrete enforcement, the concrete grammar that obtains abnormal contextual information on line is not limited, comprise butBe not limited to: occur that when identifying current segmentation video flowing on line decoding anomaly exits after decoding, closes and looksFrequently the keepalive mechanism for the treatment of system, makes system keep decoding anomaly, so as under line, to confirm abnormal reproduction andSubsequent analysis; Open the handling process recording mechanism of processing system for video, management tool will get on lineAbnormal contextual information is loaded into processing system for video, and utilizes processing system for video to this abnormal context letterCeasing corresponding segmentation video flowing decodes. Meanwhile, in the time of the each segmentation video flowing of decoding, increase the similar timeThe path tag of stamp, routine processes flow process when anomaly appears in carrying recorded decoding, management tool is by rightThe decoding situation of each segmentation video flowing at the abnormal data stream place capturing on line is monitored in real time, canUtilize this decoding anomaly present position, path tag location. Wherein, the abnormal context getting on lineInformation refers to the video heads information required for each segmentation video flowing subsequent segment video decode and occurs abnormalTime kernel data structure critical data information.
In enforcement, the step of the abnormal contextual information that prestores on described line comprises:
Obtain the first segmentation video flowing of session, rebuild described session context and preserve described the first segmentation and lookFrequently stream;
Described the first piecewise data flow of decoding, and identify described the first piecewise data flow and whether have anomalous videoStream;
If there is anomalous video stream, generate corresponding abnormal context letter according to described anomalous video stream typeBreath:
If there is not anomalous video stream, obtain next segmentation video flowing, rebuild described session context and separateDescribed next piecewise data flow of code.
In concrete enforcement, not to obtaining the tool of the first segmentation video flowing (or first data sectional) of sessionBody method limits, and includes but not limited to: when receiving after the first segmentation video flowing of session, preserve theOne segmentation video flowing, finds the contextual information of the first segmentation video flowing, and rebuilds contextual information, rebuildsContextual information at least comprise the critical data letter of the required video heads information of decoding and kernel data structureBreath, and for the out of order segmentation video flowing of decode successive.
In enforcement, generate the step bag of corresponding abnormal contextual information according to described anomalous video stream typeDraw together:
If described anomalous video flows for to decode unsuccessfully, normally exit, output packet contains the abnormal of error code informationContextual information;
If described anomalous video flows for to decode unsuccessfully, timeout treatment machine is set up in segment occurred mistake or endless loopSystem, after preset time, output packet is containing the abnormal contextual information of core dumped or endless loop.
In enforcement, the step of described next piecewise data flow of decoding comprises:
Whether described next piecewise data flow of identification there is anomalous video stream;
If there is anomalous video stream, according to the corresponding abnormal context letter of described anomalous video stream type outputBreath, and preserve described next segmentation video flowing.
In enforcement, the step of the abnormal contextual information that prestores on described line also comprises:
If conversation aging or complete decoding and do not identify yet anomalous video stream, deletes described the first segmentation videoStream.
If the described current segmentation video flowing of step 102 exists decoding anomaly, obtain and on line, comprise instituteState the abnormal contextual information of the anomaly present position of decoding in current segmentation video flowing.
In enforcement, obtain and on line, comprise the different of anomaly present position of decoding in described current segmentation video flowingNormal contextual information comprises, the path tag that management tool arranges during according to decoding segmentation video flowing, from addIn the abnormal contextual information carrying, obtain the abnormal of the anomaly present position of decoding in current segmentation video flowingContextual information.
In concrete enforcement, to obtaining, on line, to comprise the anomaly of decoding in described current segmentation video flowing not of living inThe concrete grammar of the abnormal contextual information of position limits, and includes but not limited to: current segmentation videoStream exists decoding when anomaly, utilize management tool check current segmentation video flowing decoding progress andThe status information of processing system for video; According to the anomaly present position of decoding in current segmentation video flowing, fromOn the line loading, in abnormal contextual information, obtain and the corresponding abnormal contextual information in present position, completeAnalysis and the location of decoding anomaly, and then confirm and realize abnormal reproduction. Wherein, management tool is real-timeThe status information of the processing system for video of checking at least comprises utilization rate, the cpu temperature etc. of CPU and internal memory, if memory usage is too high, may there is the abnormal of Installed System Memory leakage in the service conditions of other resources etc.Phenomenon; If cpu temperature exceedes predefined warning value, may there is CPU overtemperature protection, causeThe out-of-work anomaly of CPU, above-mentioned anomaly all can cause the anomaly of decoding. Therefore, work as pipeGrooming tool is being monitored in real time, monitors because the status information of above-mentioned processing system for video causes decoding differentWhen Chang Xianxiang, accurately location decoding anomaly, and then improve existing processing system for video.
In abnormal the above current segmentation video flowing of contextual information reproduction line that step 103, basis getAnomalous video stream.
Beneficial effect: the present invention is only preserved the first segmentation video flowing and deposited by the contextual mode of session rebuildingAt the segmentation video flowing of decoding anomaly, greatly reduce the space expense of anomalous video stream storage; LogicalCrossing mode that online and offline combine has reduced as much as possible and has occurred the related context of decoding anomalyInformation, has improved the accuracy for the reproduction of anomalous video stream and analysis, largely for improving existing lookingFrequently treatment system provides larger possibility.
For the ease of enforcement of the present invention, describe with single channel session instance below.
Fig. 2 shows the schematic flow sheet of method for processing abnormal data on embodiment of the present invention center line, comprising:
Step 201, beginning;
Step 202, obtain the first segmentation video flowing of session, rebuild described session context and catch firstSegmentation video flowing;
Step 203, decoding the first piecewise data flow;
Step 204, utilize abnormal data identification, trapping module to identify the first piecewise data flow and whether exist differentNormal video flowing, the anomaly that goes out to decode if unidentified, enters step 205, if identify anomalous video stream,Enter step 209, according to the corresponding abnormal contextual information of anomalous video stream type output, and exit solutionCode;
Step 205, receive non-the first segmentation video flowing;
Non-the first segmentation video flowing that step 206, basis receive, rebuilds session context and also decodes currentPiecewise data flow;
Step 207, utilize abnormal data identification, trapping module to identify the first piecewise data flow and whether exist differentNormal video flowing, the anomaly that goes out to decode if unidentified, enters step 208, if it is extremely existing to identify decodingResemble, the corresponding abnormal contextual information of output, catches current next segmentation video flowing, and exits decoding;
If step 208 conversation aging or complete decoding and do not identify yet anomalous video stream, deletes first pointSection video flowing;
Step 209, end.
It should be noted that, the scheme of the embodiment of the present invention is the tool to abnormal data identification, trapping module notBody function limits, and includes but not limited to: abnormal data identification, trapping module are looked by identifying extremelyFrequently stream and type thereof, carry out abnormality processing, and first kind decoding refers to extremely decodes unsuccessfully, normally exits pinBe to increase error code to this type of abnormal processing method of decoding, make it cover crucial exiting in decode procedure and returnFootpath, loop, and one of the output of identification, trapping module using corresponding error code as this abnormal data; SecondClass decoding refers to extremely decodes unsuccessfully, can not normally exit, and as segment occurred mistake in decode procedure, orDecoding process is absorbed in certain endless loop, is to increase timeout treatment machine for this type of abnormal processing method of decodingSystem, makes it initiatively exit and return.
When abnormal data identification, trapping module identify decoding extremely and complete after abnormality processing, preserve currentThe segmentation video flowing of decoding, simultaneously for first kind decoding exception record error code, different for Equations of The Second Kind decodingNormal record segment mistake or endless loop etc., for analyzing reproduction extremely under follow-up line. Wherein, error code belongs to lineA part for the abnormal contextual information of upper preservation.
Based on same inventive concept, a kind of dealing of abnormal data device is also provided in the embodiment of the present invention, byThe principle of dealing with problems in these equipment is similar to a kind of method for processing abnormal data based on segmentation video flowing,Therefore the enforcement of these equipment can be referring to the enforcement of method, repeats part and repeat no more.
Fig. 3 shows the structural representation of dealing of abnormal data device in the embodiment of the present invention, and device can wrapDraw together:
Part under line:
Monitoring modular 311 under line, carries out decoding monitoring under line for the segmentation video flowing to session, and judgement is worked asWhether front segmentation video flowing there is decoding anomaly.
In enforcement, under line, monitoring modular 311 specifically comprises:
Load-on module 3111 under line, for the abnormal contextual information prestoring on management tool loaded line.
Decoder module 3112 under line, for according to described abnormal contextual information, the described abnormal context of decodingThe segmentation video flowing that information is corresponding, and Real-Time Monitoring decode procedure.
Acquisition module 312 under line, if there is decoding anomaly for described current segmentation video flowing, obtainsIn line taking, comprise the abnormal contextual information of the anomaly present position of decoding in described current segmentation video flowing.
In enforcement, obtain and on line, comprise the different of anomaly present position of decoding in described current segmentation video flowingNormal contextual information comprises, the path tag that management tool arranges during according to decoding segmentation video flowing, from addIn the abnormal contextual information carrying, obtain the abnormal of the anomaly present position of decoding in current segmentation video flowingContextual information.
Under line, reappear module 313, for reappearing line according to the abnormal contextual information getting, the above is currentAnomalous video stream in segmentation video flowing.
Part on line:
Acquisition module 321 on line, for obtaining the first segmentation video flowing of session, rebuilds described session upper and lowerLiterary composition is also preserved described the first segmentation video flowing.
Identification module 322 on line, for described the first piecewise data flow of decoding, and identifies described the first segmentationWhether data flow there is anomalous video stream.
Abnormal module 323 on line, if for there being anomalous video stream, according to described anomalous video stream typeGenerate corresponding abnormal contextual information.
In enforcement, on line, abnormal module 323 specifically comprises:
The first abnormal submodule 3231, if flow for to decode unsuccessfully for described anomalous video, normally exits,Output packet is containing the abnormal contextual information of error code information.
The second abnormal submodule 3232, if flow for to decode unsuccessfully for described anomalous video, segment occurred mistake orEndless loop, sets up timeout treatment mechanism, and after preset time, output packet contains the abnormal of core dumped or endless loopContextual information.
Decoder module 324 on line, if for there not being anomalous video stream, obtain next segmentation video flowing,Rebuild described next piecewise data flow of described session context decoding.
In enforcement, on line, decoder module specifically comprises:
Whether abnormal submodule 3241, there is anomalous video stream for identifying described next piecewise data flow.
Preserve submodule 3242, if for there being anomalous video stream, defeated according to described anomalous video stream typeGo out corresponding abnormal contextual information, and preserve described next segmentation video flowing.
Removing module 325 on line, if for conversation aging or complete decoding and do not identify yet anomalous video stream,Delete described the first segmentation video flowing.
For convenience of description, the each several part of the above device is divided into various modules or unit difference with functionDescribe. Certainly, can be the function of each module or unit at same or multiple software in the time that enforcement is of the present inventionOr realize in hardware.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or meterCalculation machine program product. Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or knotClose the form of the embodiment of software and hardware aspect. And the present invention can adopt at one or more wherein bagsThe computer-usable storage medium that contains computer usable program code (include but not limited to magnetic disc store,CD-ROM, optical memory etc.) form of the upper computer program of implementing.
The present invention is that reference is according to the method for the embodiment of the present invention, equipment (system) and computer program productThe flow chart of product and/or block diagram are described. Should understand can be by computer program instructions realization flow figure and/ or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/Or the combination of square frame. Can provide these computer program instructions to all-purpose computer, special-purpose computer, embeddingThe processor of formula processor or other programmable data processing device, to produce a machine, makes by calculatingThe instruction that the processor of machine or other programmable data processing device is carried out produces for realizing at flow chart oneThe device of the function of specifying in square frame of individual flow process or multiple flow process and/or block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or other programmable data processing are establishedIn the standby computer-readable memory with ad hoc fashion work, make to be stored in this computer-readable memoryInstruction produce and comprise the manufacture of command device, this command device is realized in flow process or multiple of flow chartThe function of specifying in square frame of flow process and/or block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makeMust on computer or other programmable devices, carry out sequence of operations step to produce computer implemented placeReason, thus the instruction of carrying out on computer or other programmable devices is provided for realizing one of flow chartThe step of the function of specifying in square frame of flow process or multiple flow process and/or block diagram or multiple square frame.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain cicada baseThis creative concept, can make other change and amendment to these embodiment. So appended right is wantedAsk and be intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Claims (14)
1. a method for processing abnormal data, is characterized in that, comprises the steps:
The segmentation video flowing of session is carried out to decoding monitoring under line, judge whether current segmentation video flowing exists solutionCode anomaly;
If described current segmentation video flowing exists decoding anomaly, obtain and on line, comprise described current segmentationThe abnormal contextual information of the anomaly of decoding in video flowing present position;
According to extremely looking in abnormal the above the current segmentation video flowing of contextual information reproduction line gettingFrequently stream.
2. the method for claim 1, is characterized in that, the described segmentation video flowing to session carries outUnder line, decoding monitoring comprises:
The abnormal contextual information prestoring on loaded line;
According to described abnormal contextual information, segmentation video flowing corresponding to described abnormal contextual information of decoding,And Real-Time Monitoring decode procedure.
3. method as claimed in claim 1 or 2, is characterized in that, described obtain on line, comprise described inThe abnormal contextual information of anomaly present position of decoding in current segmentation video flowing comprises: according to decoding pointThe path tag arranging when section video flowing is obtained current segmentation video from loaded abnormal contextual informationThe abnormal contextual information of the anomaly of decoding in stream present position.
4. method as claimed in claim 2, is characterized in that, abnormal context letter prestores on described lineThe step of breath comprises:
Obtain the first segmentation video flowing of session, rebuild described session context and preserve described the first segmentation and lookFrequently stream;
Described the first piecewise data flow of decoding, and identify described the first piecewise data flow and whether have anomalous videoStream;
If there is anomalous video stream, generate corresponding abnormal context letter according to described anomalous video stream typeBreath;
If there is not anomalous video stream, obtain next segmentation video flowing, rebuild described session context and separateDescribed next piecewise data flow of code.
5. method as claimed in claim 4, is characterized in that, generates according to described anomalous video stream typeThe step of corresponding abnormal contextual information comprises:
If described anomalous video flows for to decode unsuccessfully, normally exit, output packet contains the abnormal of error code informationContextual information;
If described anomalous video flows for to decode unsuccessfully, timeout treatment machine is set up in segment occurred mistake or endless loopSystem, after preset time, output packet is containing the abnormal contextual information of core dumped or endless loop.
6. method as claimed in claim 4, is characterized in that, the step of described next piecewise data flow of decodingSuddenly comprise:
Whether described next piecewise data flow of identification there is anomalous video stream;
If there is anomalous video stream, according to the corresponding abnormal context letter of described anomalous video stream type outputBreath, and preserve described next segmentation video flowing.
7. method as claimed in claim 4, is characterized in that, abnormal context letter prestores on described lineThe step of breath also comprises:
If conversation aging or complete decoding and do not identify yet anomalous video stream, deletes described the first segmentation videoStream.
8. a dealing of abnormal data device, is characterized in that, comprising:
Monitoring modular under line, carries out decoding monitoring under line for the segmentation video flowing to session, judges current pointWhether section video flowing there is decoding anomaly;
Acquisition module under line, if there is decoding anomaly for described current segmentation video flowing, obtains lineOn comprise the anomaly present position of decoding in described current segmentation video flowing abnormal contextual information;
Under line, reappear module, for reappearing the above current segmentation of line according to the abnormal contextual information gettingAnomalous video stream in video flowing.
9. device as claimed in claim 8, is characterized in that, under described line, monitoring modular further comprises:
Under line, load submodule, for the abnormal contextual information prestoring on loaded line;
The submodule of decoding under line, for according to described abnormal contextual information, the described abnormal context letter of decodingCease corresponding segmentation video flowing, and Real-Time Monitoring decode procedure.
10. device as claimed in claim 9, is characterized in that, described obtaining comprises described current on lineThe abnormal contextual information of the anomaly of decoding in segmentation video flowing present position comprises, management tool is according to solutionThe path tag arranging when code segmentation video flowing is obtained current segmentation from loaded abnormal contextual informationThe abnormal contextual information of the anomaly of decoding in video flowing present position.
11. devices as claimed in claim 8, is characterized in that, also comprise:
Acquisition module on line, for obtaining the first segmentation video flowing of session, rebuilds described session context alsoPreserve described the first segmentation video flowing;
Identification module on line, for described the first piecewise data flow of decoding, and identifies described the first segment dataWhether stream there is anomalous video stream;
Abnormal module on line, if for there being anomalous video stream, generate according to described anomalous video stream typeCorresponding abnormal contextual information;
Decoder module on line, if for there not being anomalous video stream, obtain next segmentation video flowing, rebuildsDescribed next piecewise data flow of described session context decoding.
12. devices as claimed in claim 9, is characterized in that, on described line, abnormal module further comprises:
The first abnormal submodule, if flow for to decode unsuccessfully for described anomalous video, normally exits, outputThe abnormal contextual information that comprises error code information;
The second abnormal submodule, if flow for to decode unsuccessfully for described anomalous video, segment occurred mistake or extremely followRing, sets up timeout treatment mechanism, and after preset time, output packet contains the abnormal upper and lower of core dumped or endless loopLiterary composition information.
13. devices as claimed in claim 9, is characterized in that, on described line, decoder module further comprises:
Whether abnormal submodule, there is anomalous video stream for identifying described next piecewise data flow;
Preserve submodule, if for there is anomalous video stream, according to described anomalous video stream type output phaseThe abnormal contextual information of answering, and preserve described next segmentation video flowing.
14. devices as claimed in claim 8, is characterized in that, also comprise:
Removing module on line, if for conversation aging or complete decoding and do not identify yet anomalous video stream, deletesExcept described the first segmentation video flowing.
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