CN105204957A - Task processing method and device - Google Patents
Task processing method and device Download PDFInfo
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- CN105204957A CN105204957A CN201510719756.6A CN201510719756A CN105204957A CN 105204957 A CN105204957 A CN 105204957A CN 201510719756 A CN201510719756 A CN 201510719756A CN 105204957 A CN105204957 A CN 105204957A
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Abstract
The invention relates to a task processing method and device, wherein, the method comprises the steps that if a multimedia processing system is detected to be powered off when a task in task information sent to a dispatcher is processed, an abnormal notice is sent to the dispatcher, so as to enable the dispatcher to record a first processing state of each task in the task information according to the abnormal notice, and to send the task information and the first processing state of each task to another multimedia processing system to be continuously processed, and to record a second processing state of each task processed by the another multimedia processing system in real time; if the multimedia processing system is detected to be powered on again, the task information as well as the first processing state and the second processing state of each task are acquired from the dispatcher; a task needing to be processed at present is determined according to the first processing states and the second processing states, and the task needing to be processed at present is continuously processed. By adopting the technical scheme, the task can be enabled to be processed normally, and the multimedia processing system is prevented from executing redundant processing operation.
Description
Technical field
The present invention relates to technical field of data processing, particularly relate to a kind of task processing method and device.
Background technology
Along with the development of network and cultural undertakings, audio and video resources extreme enrichment, also increases fast to the needs of the process of audio-video document.
The roughly flow process of audio-video document process is as follows: the audio-video document decapsulation that first need process becomes sequence of frames of video and audio frame sequence; Then sequence of frames of video and audio frame sequence are decoded as RAW form and PCM formatted data respectively; RAW form and PCM formatted data are processed; Be audio frame sequence and the sequence of frames of video of required form again by the data encoding of RAW form and PCM form; Finally audio frame sequence and sequence of frames of video are packaged into the file layout of needs.
More than process is that the data processing equipment consisted of computing machine or computing machine has come, and these computing machines existing or data processing equipment are the process that the software and hardware resources of dependence the machine realizes to file.The calculated amount of audio-video document process is huge, to the arithmetic capability for the treatment of apparatus and storage resource consumption very large, and along with the increasing of high resolution audio and video file and the continuous increase of processing demands, the bottleneck problem relying on unit to carry out audio-video document process becomes increasingly conspicuous, the slow and easily generation systems collapse of unit processing speed.Even if user uses the very high computing machine of configuration to be also difficult to ensure speed and the degree of stability of process, in enormous quantities and that time requirement is very high Processing tasks especially cannot be met.
In view of the above problem existed in prior art, provide a kind of distributed processing system(DPS), use multiple multimedia processing system to realize parallel processing, thus the time greatly reduced needed for process, reduce the processing pressure of system simultaneously, decrease the possibility of system crash, but in prior art, do not provide when multimedia processing system occurs abnormal, how to process.
Summary of the invention
The embodiment of the present invention provides a kind of task processing method and device, comprises following technical scheme:
According to the first aspect of the embodiment of the present invention, provide a kind of task processing method, for multimedia processing system, described method comprises:
When task in the mission bit stream sent dispatching device processes, if described multimedia processing system power-off detected, then send abnormal notice to described dispatching device, for the first treatment state of each task in described dispatching device mission bit stream according to described abnormal Notification Record, the first treatment state to other multimedia processing systems sending described mission bit stream and each task described proceed process, and the second treatment state of each task described after other multimedia processing system process described in real time record;
After detecting that described multimedia processing system re-powers, from described dispatching device, obtain described first treatment state of described mission bit stream and each task described and described second treatment state;
Determine current need task to be processed according to described first treatment state and described second treatment state, and continue the described current need of process task to be processed.
In one embodiment, described treatment state comprises task process progress and task result.
In one embodiment, describedly determine current need task to be processed according to described first treatment state and described second treatment state, comprising:
Determine that first needs Processing tasks queue according to described first treatment state;
Determine that second needs Processing tasks queue according to described second treatment state;
When described first needs the task in Processing tasks queue to need the task in Processing tasks queue more than described second, Processing tasks queue and described mission bit stream is needed to continue to process the task that need process according to described second;
Described first need the task in Processing tasks queue be less than described second need the task in Processing tasks queue time, need Processing tasks queue and described mission bit stream to continue to process the task that need process according to described first.
In one embodiment, described method also comprises:
After described first treatment state obtaining described mission bit stream and each task described from described dispatching device and described second treatment state, controlling the transmission of described dispatching device ceases and desist order to other multimedia processing systems described, stops processing the task in described mission bit stream to make other multimedia processing systems described.
In one embodiment, described method also comprises:
Detecting the task process failure in described mission bit stream, and process failed number of times is when being more than or equal to preset times, send described task to described dispatching device, to make described dispatching device, described dispatching device is sent to other multimedia processing systems described and processes;
Receive the result data of the described task that described dispatching device returns.
According to the second aspect of the embodiment of the present invention, provide a kind of Task Processing Unit, for multimedia processing system, described device comprises:
First sending module, when processing for the task in the mission bit stream sent dispatching device, if described multimedia processing system power-off detected, then send abnormal notice to described dispatching device, for the first treatment state of each task in described dispatching device mission bit stream according to described abnormal Notification Record, the first treatment state to other multimedia processing systems sending described mission bit stream and each task described proceed process, and the second treatment state of each task described after other multimedia processing system process described in real time record;
Acquisition module, for after detecting that described multimedia processing system re-powers, obtains described first treatment state of described mission bit stream and each task described and described second treatment state from described dispatching device;
Determination module, for determining current need task to be processed according to described first treatment state and described second treatment state, and continues the described current need of process task to be processed.
In one embodiment, described treatment state comprises task process progress and task result.
In one embodiment, determination module comprises:
First determines submodule, for determining that first needs Processing tasks queue according to described first treatment state;
Second determines submodule, for determining that second needs Processing tasks queue according to described second treatment state;
First process submodule, for when described first needs the task in Processing tasks queue to need the task in Processing tasks queue more than described second, needs Processing tasks queue and described mission bit stream to continue to process the task that need process according to described second;
Second process submodule, for described first need the task in Processing tasks queue be less than described second need the task in Processing tasks queue time, need Processing tasks queue and described mission bit stream to continue to process the task that need process according to described first.
In one embodiment, described device also comprises:
Second sending module, for after described first treatment state obtaining described mission bit stream and each task described from described dispatching device and described second treatment state, controlling the transmission of described dispatching device ceases and desist order to other multimedia processing systems described, stops processing the task in described mission bit stream to make other multimedia processing systems described.
In one embodiment, described device also comprises:
3rd sending module, for detecting the task process failure in described mission bit stream, and process failed number of times is when being more than or equal to preset times, send described task to described dispatching device, to make described dispatching device, described dispatching device is sent to other multimedia processing systems described and processes;
Receiver module, for receiving the result data of the described task that described dispatching device returns.
The technical scheme that embodiments of the invention provide can comprise following beneficial effect:
Technique scheme, when multimedia processing system carries out task process, if multimedia processing system power-off detected, then send abnormal notice to dispatching device, thus make the first treatment state of this task of dispatching device record and send it to other multimedia processing systems to continue process, recover normally when multimedia processing system powers on, the second treatment state of this task is obtained from dispatching device, thus determine current need task to be processed, proceed process, like this, both the task that can ensure can normal process, multimedia processing system is avoided again to perform unnecessary process operation.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows embodiment according to the invention, and is used from instructions one and explains principle of the present invention.
Fig. 1 is the process flow diagram of the task processing method according to an exemplary embodiment.
Fig. 2 is the process flow diagram of step S103 in the task processing method according to an exemplary embodiment.
Fig. 3 is the process flow diagram of the another kind of task processing method according to an exemplary embodiment.
Fig. 4 is the process flow diagram of another task processing method according to an exemplary embodiment.
Fig. 5 is the block diagram of the Task Processing Unit according to an exemplary embodiment.
Fig. 6 is the block diagram of determination module in the Task Processing Unit according to an exemplary embodiment.
Fig. 7 is the block diagram of the another kind of Task Processing Unit according to an exemplary embodiment.
Fig. 8 is the block diagram of another Task Processing Unit according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Embodiments provide a kind of task processing method, as shown in Figure 1, the method comprising the steps of S101-S102:
In step S101, when task in the mission bit stream sent dispatching device processes, if multimedia processing system power-off detected, then send abnormal notice to dispatching device, for first treatment state of dispatching device according to each task in abnormal Notification Record mission bit stream, the first treatment state to other multimedia processing systems sending mission bit stream and each task proceed process, and the second treatment state of each task after other multimedia processing system process of real time record;
In step s 102, after detecting that multimedia processing system re-powers, from dispatching device, obtain the first treatment state and second treatment state of mission bit stream and each task;
In step s 103, determine current need task to be processed according to the first treatment state and the second treatment state, and continue the current need of process task to be processed.
In this embodiment, when multimedia processing system carries out task process, if multimedia processing system power-off detected, then send abnormal notice to dispatching device, thus make the first treatment state of this task of dispatching device record and send it to other multimedia processing systems to continue process, recover normally when multimedia processing system powers on, the second treatment state of this task is obtained from dispatching device, thus determine current need task to be processed, proceed process, like this, both the task that can ensure can normal process, multimedia processing system is avoided again to perform unnecessary process operation.
In one embodiment, treatment state comprises task process progress and task result.Wherein, task process progress refers to whether task process completes, and task result is then task process success or task process failure.
As shown in Figure 2, in one embodiment, above-mentioned steps S103 comprises step S201-S204:
In step s 201, determine that first needs Processing tasks queue according to the first treatment state;
In step S202, determine that second needs Processing tasks queue according to the second treatment state;
In step S203, when first needs the task in Processing tasks queue to need the task in Processing tasks queue more than second, Processing tasks queue and mission bit stream is needed to continue to process the task that need process according to second;
In step S204, first need the task in Processing tasks queue be less than second need in Processing tasks queue task time, need Processing tasks queue and mission bit stream to continue to process the task that need process according to first.
In this embodiment, each task is disposed or processes failure, multimedia processing system all can be reported to dispatching device, dispatching device preserves task queue, multimedia processing system needs Processing tasks queue and second after powering on to need Processing tasks queue can determine the task of its actual needs process according to first before the power-off of dispatching device record, before its power-off first when needing the task of Processing tasks queue to need Processing tasks queue more than second after powering on, now, the treated partial task of other multimedia processing systems is described, now, multimedia processing system only needs to need Processing tasks queue to proceed task process according to second.And before its power-off first need the task of Processing tasks queue to be less than to power on after second when needing Processing tasks queue, then can ignore unnecessary task, need Processing tasks queue and mission bit stream to continue to process the task that need process according to first.
As shown in Figure 3, in one embodiment, method also comprises step S301:
In step S301, after the first treatment state obtaining mission bit stream and each task from dispatching device and the second treatment state, Control and Schedule device sends ceases and desist order to other multimedia processing systems, to make the task in other multimedia processing systems stopping Processing tasks information.
In this embodiment, after multimedia processing system powers on continuation Processing tasks, stop this task of process by other multimedia processing systems, thus avoid producing unnecessary process operation.
As shown in Figure 4, in one embodiment, method also comprises step S401-S402:
In step S401, detecting the task process failure in mission bit stream, and process failed number of times is when being more than or equal to preset times, dispatching device, to dispatching device, is sent to other multimedia processing systems to make dispatching device and processes by transmission task;
In step S402, the result data of the task that receiving scheduling device returns.
In this embodiment, when the task process failure of multimedia processing system, can carry out fault-tolerant, namely process is continued by it, but when processing failed number of times and being more than or equal to preset times, now illustrate that multimedia processing system may go wrong, and needs being processed of task to be sent to other multimedia processing systems and processes, thus the normal process of the task of guarantee.
Following is apparatus of the present invention embodiment, may be used for performing the inventive method embodiment.
Fig. 5 is the block diagram of a kind of Task Processing Unit according to an exemplary embodiment, and as shown in Figure 5, this Task Processing Unit comprises:
First sending module 51, when processing for the task in the mission bit stream sent dispatching device, if described multimedia processing system power-off detected, then send abnormal notice to described dispatching device, for the first treatment state of each task in described dispatching device mission bit stream according to described abnormal Notification Record, the first treatment state to other multimedia processing systems sending described mission bit stream and each task described proceed process, and the second treatment state of each task described after other multimedia processing system process described in real time record;
Acquisition module 52, for after detecting that described multimedia processing system re-powers, obtains described first treatment state of described mission bit stream and each task described and described second treatment state from described dispatching device;
Determination module 53, for determining current need task to be processed according to described first treatment state and described second treatment state, and continues the described current need of process task to be processed.
In one embodiment, described treatment state comprises task process progress and task result.
As shown in Figure 6, in one embodiment, determination module 53 comprises:
First determines submodule 61, for determining that first needs Processing tasks queue according to described first treatment state;
Second determines submodule 62, for determining that second needs Processing tasks queue according to described second treatment state;
First process submodule 63, for when described first needs the task in Processing tasks queue to need the task in Processing tasks queue more than described second, needs Processing tasks queue and described mission bit stream to continue to process the task that need process according to described second;
Second process submodule 64, for described first need the task in Processing tasks queue be less than described second need the task in Processing tasks queue time, need Processing tasks queue and described mission bit stream to continue to process the task that need process according to described first.
As shown in Figure 7, in one embodiment, said apparatus also comprises:
Second sending module 71, for after described first treatment state obtaining described mission bit stream and each task described from described dispatching device and described second treatment state, controlling the transmission of described dispatching device ceases and desist order to other multimedia processing systems described, stops processing the task in described mission bit stream to make other multimedia processing systems described.
As shown in Figure 8, in one embodiment, said apparatus also comprises:
3rd sending module 81, for detecting the task process failure in described mission bit stream, and process failed number of times is when being more than or equal to preset times, send described task to described dispatching device, to make described dispatching device, described dispatching device is sent to other multimedia processing systems described and processes;
Receiver module 82, for receiving the result data of the described task that described dispatching device returns.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a task processing method, for multimedia processing system, is characterized in that, described method comprises:
When task in the mission bit stream sent dispatching device processes, if described multimedia processing system power-off detected, then send abnormal notice to described dispatching device, for the first treatment state of each task in described dispatching device mission bit stream according to described abnormal Notification Record, the first treatment state to other multimedia processing systems sending described mission bit stream and each task described proceed process, and the second treatment state of each task described after other multimedia processing system process described in real time record;
After detecting that described multimedia processing system re-powers, from described dispatching device, obtain described first treatment state of described mission bit stream and each task described and described second treatment state;
Determine current need task to be processed according to described first treatment state and described second treatment state, and continue the described current need of process task to be processed.
2. method according to claim 1, is characterized in that, described treatment state comprises task process progress and task result.
3. method according to claim 1, is characterized in that, describedly determines current need task to be processed according to described first treatment state and described second treatment state, comprising:
Determine that first needs Processing tasks queue according to described first treatment state;
Determine that second needs Processing tasks queue according to described second treatment state;
When described first needs the task in Processing tasks queue to need the task in Processing tasks queue more than described second, Processing tasks queue and described mission bit stream is needed to continue to process the task that need process according to described second;
Described first need the task in Processing tasks queue be less than described second need the task in Processing tasks queue time, need Processing tasks queue and described mission bit stream to continue to process the task that need process according to described first.
4. method according to claim 1, is characterized in that, described method also comprises:
After described first treatment state obtaining described mission bit stream and each task described from described dispatching device and described second treatment state, controlling the transmission of described dispatching device ceases and desist order to other multimedia processing systems described, stops processing the task in described mission bit stream to make other multimedia processing systems described.
5. method according to claim 1, is characterized in that, described method also comprises:
Detecting the task process failure in described mission bit stream, and process failed number of times is when being more than or equal to preset times, send described task to described dispatching device, to make described dispatching device, described dispatching device is sent to other multimedia processing systems described and processes;
Receive the result data of the described task that described dispatching device returns.
6. a Task Processing Unit, for multimedia processing system, is characterized in that, described device comprises:
First sending module, when processing for the task in the mission bit stream sent dispatching device, if described multimedia processing system power-off detected, then send abnormal notice to described dispatching device, for the first treatment state of each task in described dispatching device mission bit stream according to described abnormal Notification Record, the first treatment state to other multimedia processing systems sending described mission bit stream and each task described proceed process, and the second treatment state of each task described after other multimedia processing system process described in real time record;
Acquisition module, for after detecting that described multimedia processing system re-powers, obtains described first treatment state of described mission bit stream and each task described and described second treatment state from described dispatching device;
Determination module, for determining current need task to be processed according to described first treatment state and described second treatment state, and continues the described current need of process task to be processed.
7. device according to claim 6, is characterized in that, described treatment state comprises task process progress and task result.
8. device according to claim 6, is characterized in that, determination module comprises:
First determines submodule, for determining that first needs Processing tasks queue according to described first treatment state;
Second determines submodule, for determining that second needs Processing tasks queue according to described second treatment state;
First process submodule, for when described first needs the task in Processing tasks queue to need the task in Processing tasks queue more than described second, needs Processing tasks queue and described mission bit stream to continue to process the task that need process according to described second;
Second process submodule, for described first need the task in Processing tasks queue be less than described second need the task in Processing tasks queue time, need Processing tasks queue and described mission bit stream to continue to process the task that need process according to described first.
9. device according to claim 6, is characterized in that, described device also comprises:
Second sending module, for after described first treatment state obtaining described mission bit stream and each task described from described dispatching device and described second treatment state, controlling the transmission of described dispatching device ceases and desist order to other multimedia processing systems described, stops processing the task in described mission bit stream to make other multimedia processing systems described.
10. device according to claim 6, is characterized in that, described device also comprises:
3rd sending module, for detecting the task process failure in described mission bit stream, and process failed number of times is when being more than or equal to preset times, send described task to described dispatching device, to make described dispatching device, described dispatching device is sent to other multimedia processing systems described and processes;
Receiver module, for receiving the result data of the described task that described dispatching device returns.
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| CN104461752A (en) * | 2014-11-21 | 2015-03-25 | 浙江宇视科技有限公司 | Two-level fault-tolerant multimedia distributed task processing method |
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| CN101917385A (en) * | 2009-11-17 | 2010-12-15 | 新奥特（北京）视频技术有限公司 | Dispatch server and distributed system for multimedia trans-coding |
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