CN109753354A - Processing method, device and the computer equipment of Streaming Media task based on multithreading - Google Patents
Processing method, device and the computer equipment of Streaming Media task based on multithreading Download PDFInfo
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Abstract
The present invention proposes a kind of processing method and processing device of Streaming Media task based on multithreading, which comprises the task execution of receiving stream media task is requested, and includes pending goal task in the task execution request；The mission bit stream in the goal task is extracted, is that corresponding environmental variance is arranged in each thread in the thread pool according to the mission bit stream using the thread creation thread pool being pre-created；According to preset dynamic equilibrium scheduling strategy by the goal task be assigned in the thread pool with the matched thread of the goal task, and the goal task is executed under the environmental variance of its own by the thread.The present invention uses the task processing mode of multithreading, the reasonable assignment of goal task is realized using dynamic equilibrium scheduling strategy, environmental variance uses local variable, provides possibility for the encapsulation use in the library Dll, it improves while the performance and stability of multi-data processing, customer experience is more excellent.
Description
Technical field
The present invention relates to computer application technology more particularly to a kind of processing of the Streaming Media task based on multithreading
Method, apparatus and computer equipment.
Background technique
Currently, when encapsulating the library dll, the global variable of definition is too many in the treatment process of stream medium data.It is more establishing
In the case that a connection receives code stream, when code stream exits all the way, then exits other code stream all the way again, due to Live555
The global variable of the inside is destroyed, and causes to go wrong in library.On the other hand, Scheduling Framework is using global single thread event
Query scheduling is directly handled data in repeating query thread, when processing multi-channel video flow data or processing data time
It is easy to bring more serious performance issue when too long, occurs phenomena such as Caton, flower screen when such as handling multi-path video stream.In addition, by
In the single thread of programming, the reduction of execution efficiency will lead on multicore machine.
Therefore, it in existing technical solution, is at least had the following deficiencies: when executing the processing of Streaming Media task
1, existing server is single thread design, is affected while the performance and stability of multi-data processing；
2, the environmental variance of per thread and task are global, and without independent environmental variance, one of environment becomes
Amount is destroyed, and is easy to influence the task execution of other threads；
3, task schedule uses simple poll, causes task to be assigned unbalanced.
Summary of the invention
The present invention provide a kind of Streaming Media task based on multithreading processing method and corresponding device, can reach dynamic
Change, differentiation assignment loan examination & approval task, and supports the processing plan of the Streaming Media task based on multithreading described in quick adjust
Slightly the case of different risk class to be distributed to different assignment objects, solves in the prior art, can not accomplish difference
Change configuration, the poor problem of scalability.
It the computer equipment of the processing method for the Streaming Media task based on multithreading that the present invention also provides a kind of and readable deposits
Storage media.
To solve the above problems, the present invention uses the technical solution of following various aspects:
In a first aspect, present aspect provides a kind of processing method of Streaming Media task based on multithreading, which comprises
The task execution of receiving stream media task is requested, and includes pending goal task in the task execution request；
The mission bit stream in the goal task is extracted, utilizes the thread creation line being pre-created according to the mission bit stream
Cheng Chi is that corresponding environmental variance is arranged in each thread in the thread pool；
According to preset dynamic equilibrium scheduling strategy by the goal task be assigned in the thread pool with it is described
The matched thread of goal task, and the goal task is executed under the environmental variance of its own by the thread.
Specifically, described utilize the thread creation thread pool being pre-created according to the mission bit stream, it is the thread pool
In each thread corresponding environmental variance is set, comprising:
It determines maximum thread amount according to CPU core calculation and creates the thread of corresponding number；
The thread pool is created using ThreadPoolExecutor class according to the mission bit stream, wherein
The parameter of the constructed fuction of ThreadPoolExecutor class includes at least: the quantity of kernel thread, the maximum thread amount
And save the task queue of pending task.
Specifically, described be assigned to the thread for the goal task according to preset dynamic equilibrium scheduling strategy
The matched thread of goal task described in Chi Zhongyu, comprising:
The mapping for counting the task that current each thread and each thread are carrying out according to preset task statistical function is closed
System, and record the task quantity that each thread is currently executing；
Statistical result according to the task statistical function distributes the goal task to currently performed task quantity
Least thread.
Preferably, further includes:
The thread being currently running is interrupted, the status information of the task execution node of interruption and preservation are captured；
New thread is created on new task execution node；
Restore the operation of the new thread using the status information of preservation.
Specifically, further include saturated process strategy in the thread pool, it is described to be dispatched according to preset dynamic equilibrium
The goal task is assigned in the thread pool and the matched thread of the goal task by strategy, further includes:
When the quantity of the received goal task is more than the maximum thread amount range and the task queue capacity
When, the goal task exceeded is handled using the saturation strategy.
Specifically, the goal task exceeded using the saturation strategy processing, comprising:
When the quantity of the received goal task is more than the maximum thread amount range and the task queue capacity
When do not execute new task, direct throw exception prompts the thread pool to expire；
Alternatively, do not execute new task, also not throw exception；
Alternatively, being that the new task currently come in executes by first task replacement in message queue.
Preferably, described that the goal task is assigned to the thread according to preset dynamic equilibrium scheduling strategy
The matched thread of goal task described in Chi Zhongyu, further includes:
When the quantity of the received goal task is less than the maximum thread amount range and task queue appearance
It is that distributed lock is arranged in the stream medium data in the goal task when amount.
Second aspect, the present invention provide a kind of processing unit of Streaming Media task based on multithreading, comprising:
Receiving module, the task execution for receiving stream media task are requested, comprising wait hold in the task execution request
Capable goal task；
Extraction module utilizes wound in advance according to the mission bit stream for extracting the mission bit stream in the goal task
The thread creation thread pool built is that corresponding environmental variance is arranged in each thread in the thread pool；
Dispatch module, for the goal task to be assigned to the line according to preset dynamic equilibrium scheduling strategy
Cheng Chizhong and the matched thread of the goal task, and execute the target under the environmental variance of its own by the thread and appoint
Business.
The third aspect, the present invention provide a kind of computer readable storage medium, which is characterized in that described computer-readable to deposit
It is stored with computer program on storage media, base described in any one of first aspect is realized when which is executed by processor
In the processing method of the Streaming Media task of multithreading the step of.
Fourth aspect, the present invention provide a kind of computer equipment, which is characterized in that described including memory and processor
Computer-readable instruction is stored in memory, when the computer-readable instruction is executed by the processor, so that the place
The step of managing the processing method of Streaming Media task of the device execution as described in any one of first aspect claim based on multithreading.
Compared with the existing technology, technical solution of the present invention at least has following advantage:
1, the present invention provides a kind of processing method of Streaming Media task based on multithreading, passes through receiving stream media task
Task execution is requested, and includes pending goal task in the task execution request；Extract the task in the goal task
Information is each thread setting in the thread pool according to the mission bit stream using the thread creation thread pool being pre-created
Corresponding environmental variance；The goal task is assigned in the thread pool according to preset dynamic equilibrium scheduling strategy
With the matched thread of the goal task, and the goal task is executed under the environmental variance of its own by the thread.This
Invention realizes the mission thread mode for becoming multithreading by single line, and the environmental variance of each thread is no longer global variable, is Dll
The encapsulation use in library provides possibility, improves while the performance and stability of multi-data processing, customer experience are more excellent.
2, thread pool and environment group are articulated on server category by the present invention, are increased dynamic equilibrium for server and are dispatched plan
Slightly, it is locked for server critical data.The present invention is that each environmental variance increases a thread tag, so that each thread is at it
Task is executed under the environmental variance of itself, and increases for task dispatcher and appoints statistical function, for counting holding for each thread
The quantity of row task is assigned to suitable thread convenient for the subsequent goal task that will be received.
3, the present invention captures the status information of task execution node of interruption simultaneously by interrupting the thread being currently running
It saves；New thread is created on new task execution node；Restore the fortune of the new thread using the status information of preservation
Row realizes thread migration.
Detailed description of the invention
Fig. 1 is that the present invention is based on a kind of embodiment flow diagrams of the processing method of the Streaming Media task of multithreading；
The present invention is based on a kind of embodiment flow diagrams of the processing unit of the Streaming Media task of multithreading by Fig. 2；
Fig. 3 is the internal structure block diagram of computer equipment in one embodiment.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
In some processes of the description in description and claims of this specification and above-mentioned attached drawing, contain according to
Multiple operations that particular order occurs, but it should be clearly understood that these operations can not be what appears in this article suitable according to its
Sequence is executed or is executed parallel, and the serial number of operation such as S11, S12 etc. be only used for distinguishing each different operation, serial number
It itself does not represent and any executes sequence.In addition, these processes may include more or fewer operations, and these operations can
To execute or execute parallel in order.It should be noted that the description such as " first " herein, " second ", is for distinguishing not
Same message, equipment, module etc., does not represent sequencing, does not also limit " first " and " second " and be different type.
It will appreciated by the skilled person that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.It is used herein to arrange
Diction "and/or" includes one or more associated wholes for listing item or any cell and all combinations.
It will appreciated by the skilled person that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless idealization or meaning too formal otherwise will not be used by specific definitions as here
To explain.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description in which the same or similar labels are throughly indicated same or similar element or has same or like function
Element.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of processing method of Streaming Media task based on multithreading, this method
The function of being realized need include user, mobile terminal and server participation, using server holding as the embodiment of the present invention
Row main body executes, realizes the function of the method, as shown in Figure 1, the described method comprises the following steps:
The task execution request of S11, receiving stream media task are appointed comprising pending target in task execution request
Business.
When the server starts, first judges system hardware cpu nuclear volume and determine maximum thread according to cpu nuclear volume
Amount.The maximum thread amount be regulation thread pool at most can only how many thread executing.Ordinary circumstance program line number of passes
Two equal to cpu Thread Count can utilize cpu to three times well, and excessive program line number of passes will not only improve performance,
Instead can also be impacted because of the frequent switching of cross-thread, specific to need to examine summarys according to the business of thread process, constantly adjustment
Thread Count number determines the optimal Thread Count of current system.
In the embodiment of the present invention, the video flowing task execution request includes but is not limited to establish connection request, receive code
Stream request and data processing request establish connection, receive code stream and data processing correspondingly, the goal task includes at least.
In the embodiment of the present invention, after server receives the video flowing task execution request, obtains the video flowing and appoint
Business executes the goal task in request, includes task quantity, the executive mode of task and execution time in the goal task
Mission bit stream.
Mission bit stream in S12, the extraction goal task is created according to the mission bit stream using the thread being pre-created
Thread pool is built, is that corresponding environmental variance is arranged in each thread in the thread pool.
In a kind of possible design, preferably once scheme according to the mission bit stream creates thread pool to the present invention:
It determines maximum thread amount according to CPU core calculation and creates the thread of corresponding number；
The thread pool is created using ThreadPoolExecutor class according to the mission bit stream, wherein
The parameter of the constructed fuction of ThreadPoolExecutor class includes at least: the quantity of kernel thread, the maximum thread amount
And save the task queue of pending task.Wherein, the quantity of the kernel thread is that regulation thread pool has several threads to exist
Operation.The maximum thread amount is full in the message queue, can just come into force when cannot adding task.The present invention is implemented
In example, the thread of creation corresponding number is determined according to the task quantity in the task message to execute the goal task.
In the embodiment of the present invention, multiple threads and task queue are specifically created when creating the thread pool, described
Business queue provides a kind of buffering for storing not handling for task.
In the embodiment of the present invention, concrete scheme is as follows when the thread pool executes the goal task:
(1) judge whether currently running number of threads is more than the kernel thread quantity, if being no more than the core
Number of threads then creates a thread and directly executes the goal task；
(2) if the number of threads being currently running is than or equal to the kernel thread quantity, then by the target
Task is added in task queue；
(3) if task queue is full, check whether currently running number of threads is less than the maximum thread, such as
Fruit is less than then one thread of creation and directly executes the task；
(4) if task queue is full, and currently running number of threads is more than or equal to the maximum thread, then benefit
The goal task exceeded with the saturation strategy processing.
It is corresponding to create each independent environmental variance of thread when creating the thread in the embodiment of the present invention.It is described each
A independent environmental variance of thread is local variable.When creating the environmental variance, the identification information of corresponding thread is obtained
Label such as Thread Id as the environmental variance, and the label is added for the environmental variance, subsequent thread executes specified appoint
Appointed task is executed under the corresponding environmental variance of the label according to the label when business.The present invention solve in the prior art, when
Code stream exits all the way, then when exiting other code stream all the way, since the global variable inside Live555 is destroyed, causes to encapsulate
At the library dll in go wrong.
In a kind of possible design, the present invention specifically creates 1 main thread+N number of sub-line when creating the multiple thread
Journey.Wherein, the main thread, which is mainly responsible for, checks whether server needs to close, and records log status information and type information；
The sub thread is mainly responsible for the execution for realizing the goal task, connects as equipment accesses, audio video transmission etc..
In the embodiment of the present invention, after server receives task, whether validation task quota transfinites, if task quota is super
Limit, server cannot handle current task.If task quota does not transfinite, server can handle current task, then setting point
Cloth lock.The present invention protects accessed resource by the way of distributed lock, prevents some resource by multiple thread accesses, when certain
A resource is arranged distributed lock for accessed resource, is forbidden other thread accesses by after a thread accesses.
S13, according to preset dynamic equilibrium scheduling strategy by the goal task be assigned in the thread pool with
The matched thread of goal task, and the goal task is executed under the environmental variance of its own by the thread.
In the embodiment of the present invention, creates the corresponding dynamic equilibrium scheduling strategy of the thread pool and inter-thread data is shared
Management etc..The dynamic equilibrium scheduling strategy is the task quantity that is currently executing according to each thread to new received stream matchmaker
The request of body task execution is distributed to suitable thread.Specifically, the dynamic equilibrium scheduling strategy is not simply poll, i.e., it is flat
It is assigned in per thread and executes, but dynamic equilibrium is used to dispatch, i.e., carried out according to the number of tasks being carrying out on thread
Scheduling, when executing task every time, then task quantity adds 1, and task quantity number subtracts 1 after having executed, and the smallest thread of task quantity connects
Accept time Streaming Media task execution request.
The present invention has preset task statistical function.The task statistical function is for counting each thread currently
The task quantity of execution, current each goal task are performed by which thread and current execution state.Wherein, work as thread
When executing a task, the task quantity then adds 1, and when having executed a task, the task quantity then subtracts 1, number of tasks
It measures the smallest thread and receives next Streaming Media task execution request
The task that the present invention is carrying out according to the current each thread of preset task statistical function statistics and each thread
Mapping relations, and record the task quantity that each thread is currently executing；Statistical result according to the task statistical function
The goal task is distributed to currently performed task minimum number using the preset dynamic equilibrium scheduling strategy
Thread.
In a kind of embodiment, the present invention can also interrupt the thread being currently running, and capture the task execution of interruption
The status information of node and preservation；New thread is created on new task execution node；It is extensive using the status information of preservation
The operation of the multiple new thread, realizes thread migration.
In a kind of embodiment, when the quantity of the received goal task is more than the maximum thread amount range and institute
When stating task queue capacity, the goal task exceeded is handled using the saturation strategy.Specifically, when the received target is appointed
The quantity of business does not execute new task when being more than the maximum thread amount range and the task queue capacity, directly dishes out different
Often, the thread pool is prompted to expire；Alternatively, do not execute new task, also not throw exception；Alternatively, by first in message queue
A task replacement is that the new task currently come in executes；Alternatively, calling directly execute to execute the new task currently come in.
In a kind of embodiment, when the quantity of the received goal task be less than the maximum thread amount range and
It is that distributed lock is arranged in the stream medium data in the goal task when task queue capacity.
In the embodiment of the present invention, due to using the operational mode of multithreading, in the connection request for receiving client,
Client is connected into corresponding distribution to different thread process.Specifically, the client session that the present invention is all by transformation, and
Client JA(junction ambient) base class acquisition modes, so that each client is no longer environment parameter of overall importance, but according to different
Thread possesses respective environmental variance, improves treatment effeciency.
Referring to FIG. 3, the embodiment of the present invention also provides a kind of processing unit of Streaming Media task based on multithreading, one
In kind the present embodiment, including receiving module 11, extraction module 12 and dispatch module 13.Wherein,
Receiving module 11, the task execution for receiving stream media task are requested, in task execution request comprising to
The goal task of execution.
When the server starts, first judges system hardware cpu nuclear volume and determine maximum thread according to cpu nuclear volume
Amount.The maximum thread amount be regulation thread pool at most can only how many thread executing.Ordinary circumstance program line number of passes
Two equal to cpu Thread Count can utilize cpu to three times well, and excessive program line number of passes will not only improve performance,
Instead can also be impacted because of the frequent switching of cross-thread, specific to need to examine summarys according to the business of thread process, constantly adjustment
Thread Count number determines the optimal Thread Count of current system.
In the embodiment of the present invention, the video flowing task execution request includes but is not limited to establish connection request, receive code
Stream request and data processing request establish connection, receive code stream and data processing correspondingly, the goal task includes at least.
In the embodiment of the present invention, after server receives the video flowing task execution request, obtains the video flowing and appoint
Business executes the goal task in request, includes task quantity, the executive mode of task and execution time in the goal task
Mission bit stream.
Extraction module 12, for extracting the mission bit stream in the goal task, according to the mission bit stream using in advance
The thread creation thread pool of creation is that corresponding environmental variance is arranged in each thread in the thread pool.
In a kind of possible design, preferably once scheme according to the mission bit stream creates thread pool to the present invention:
It determines maximum thread amount according to CPU core calculation and creates the thread of corresponding number；
The thread pool is created using ThreadPoolExecutor class according to the mission bit stream, wherein
The parameter of the constructed fuction of ThreadPoolExecutor class includes at least: the quantity of kernel thread, the maximum thread amount
And save the task queue of pending task.Wherein, the quantity of the kernel thread is that regulation thread pool has several threads to exist
Operation.The maximum thread amount is full in the message queue, can just come into force when cannot adding task.The present invention is implemented
In example, the thread of creation corresponding number is determined according to the task quantity in the task message to execute the goal task.
In the embodiment of the present invention, multiple threads and task queue are specifically created when creating the thread pool, described
Business queue provides a kind of buffering for storing not handling for task.
In the embodiment of the present invention, concrete scheme is as follows when the thread pool executes the goal task:
(5) judge whether currently running number of threads is more than the kernel thread quantity, if being no more than the core
Number of threads then creates a thread and directly executes the goal task；
(6) if the number of threads being currently running is than or equal to the kernel thread quantity, then by the target
Task is added in task queue；
(7) if task queue is full, check whether currently running number of threads is less than the maximum thread, such as
Fruit is less than then one thread of creation and directly executes the task；
(8) if task queue is full, and currently running number of threads is more than or equal to the maximum thread, then benefit
The goal task exceeded with the saturation strategy processing.
It is corresponding to create each independent environmental variance of thread when creating the thread in the embodiment of the present invention.It is described each
A independent environmental variance of thread is local variable.When creating the environmental variance, the identification information of corresponding thread is obtained
Label such as Thread Id as the environmental variance, and the label is added for the environmental variance, subsequent thread executes specified appoint
Appointed task is executed under the corresponding environmental variance of the label according to the label when business.The present invention solve in the prior art, when
Code stream exits all the way, then when exiting other code stream all the way, since the global variable inside Live555 is destroyed, causes to encapsulate
At the library dll in go wrong.
In a kind of possible design, the present invention specifically creates 1 main thread+N number of sub-line when creating the multiple thread
Journey.Wherein, the main thread, which is mainly responsible for, checks whether server needs to close, and records log status information and type information；
The sub thread is mainly responsible for the execution for realizing the goal task, connects as equipment accesses, audio video transmission etc..
In the embodiment of the present invention, after server receives task, whether validation task quota transfinites, if task quota is super
Limit, server cannot handle current task.If task quota does not transfinite, server can handle current task, then setting point
Cloth lock.The present invention protects accessed resource by the way of distributed lock, prevents some resource by multiple thread accesses, when certain
A resource is arranged distributed lock for accessed resource, is forbidden other thread accesses by after a thread accesses.
Dispatch module 13, it is described for being assigned to the goal task according to preset dynamic equilibrium scheduling strategy
With the matched thread of the goal task in thread pool, and the target is executed under the environmental variance of its own by the thread
Task.
In the embodiment of the present invention, creates the corresponding dynamic equilibrium scheduling strategy of the thread pool and inter-thread data is shared
Management etc..The dynamic equilibrium scheduling strategy is the task quantity that is currently executing according to each thread to new received stream matchmaker
The request of body task execution is distributed to suitable thread.Specifically, the dynamic equilibrium scheduling strategy is not simply poll, i.e., it is flat
It is assigned in per thread and executes, but dynamic equilibrium is used to dispatch, i.e., carried out according to the number of tasks being carrying out on thread
Scheduling, when executing task every time, then task quantity adds 1, and task quantity number subtracts 1 after having executed, and the smallest thread of task quantity connects
Accept time Streaming Media task execution request.
The present invention has preset task statistical function.The task statistical function is for counting each thread currently
The task quantity of execution, current each goal task are performed by which thread and current execution state.Wherein, work as thread
When executing a task, the task quantity then adds 1, and when having executed a task, the task quantity then subtracts 1, number of tasks
It measures the smallest thread and receives next Streaming Media task execution request
The task that the present invention is carrying out according to the current each thread of preset task statistical function statistics and each thread
Mapping relations, and record the task quantity that each thread is currently executing；Statistical result according to the task statistical function
The goal task is distributed to currently performed task minimum number using the preset dynamic equilibrium scheduling strategy
Thread.
In a kind of embodiment, the present invention can also interrupt the thread being currently running, and capture the task execution of interruption
The status information of node and preservation；New thread is created on new task execution node；It is extensive using the status information of preservation
The operation of the multiple new thread, realizes thread migration.
In a kind of embodiment, when the quantity of the received goal task is more than the maximum thread amount range and institute
When stating task queue capacity, the goal task exceeded is handled using the saturation strategy.Specifically, when the received target is appointed
The quantity of business does not execute new task when being more than the maximum thread amount range and the task queue capacity, directly dishes out different
Often, the thread pool is prompted to expire；Alternatively, do not execute new task, also not throw exception；Alternatively, by first in message queue
A task replacement is that the new task currently come in executes；Alternatively, calling directly execute to execute the new task currently come in.
In a kind of embodiment, when the quantity of the received goal task be less than the maximum thread amount range and
It is that distributed lock is arranged in the stream medium data in the goal task when task queue capacity.
In the embodiment of the present invention, due to using the operational mode of multithreading, in the connection request for receiving client,
Client is connected into corresponding distribution to different thread process.Specifically, the client session that the present invention is all by transformation, and
Client JA(junction ambient) base class acquisition modes, so that each client is no longer environment parameter of overall importance, but according to different
Thread possesses respective environmental variance, improves treatment effeciency.
In another embodiment, the embodiment of the present invention provides a kind of computer readable storage medium, and the computer can
Read to be stored with computer program on storage medium, any one of realized when which is executed by processor described in technical solution based on
The processing method of the Streaming Media task of multithreading.Wherein, the computer readable storage medium includes but is not limited to any type
Disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, read-only memory), RAM
(Random AcceSS Memory, immediately memory), EPROM (EraSable Programmable Read-Only
Memory, Erarable Programmable Read only Memory), EEPROM (Electrically EraSable Programmable
Read-Only Memory, Electrically Erasable Programmable Read-Only Memory), flash memory, magnetic card or light card.It is, storage
Equipment includes that can be by equipment (for example, computer, mobile phone) with any medium for the form storage or transmission information that can be read
Read-only memory, disk or CD etc..
A kind of computer readable storage medium provided in an embodiment of the present invention is, it can be achieved that the task of receiving stream media task is held
Row is requested, and includes pending goal task in the task execution request；The mission bit stream in the goal task is extracted, according to
It is that corresponding ring is arranged in each thread in the thread pool according to the mission bit stream using the thread creation thread pool being pre-created
Border variable；The goal task is assigned in the thread pool and the mesh according to preset dynamic equilibrium scheduling strategy
The matched thread of mark task, and the goal task is executed under the environmental variance of its own by the thread.The present invention realizes
Become the mission thread mode of multithreading by single line, the environmental variance of each thread is no longer global variable, is the encapsulation in the library Dll
Using possibility is provided, improves while the performance and stability of multi-data processing, customer experience are more excellent.
In addition, the present invention provides a kind of computer equipments, as shown in figure 3, the computer in another embodiment
Equipment includes the devices such as processor 303, memory 305, input unit 307 and display unit 309.Those skilled in the art can
To understand, the structure devices shown in Fig. 3 do not constitute the restriction to all computer equipments, may include more or more than illustrating
Few component, or the certain components of combination.Memory 305 can be used for storing application program 301 and each functional module, processor
303 operations are stored in the application program 301 of memory 305, thereby executing the various function application and data processing of equipment.It deposits
Reservoir 305 can be built-in storage or external memory, or including both built-in storage and external memory.Built-in storage can wrap
Include read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM
(EEPROM), flash memory or random access memory.External memory may include hard disk, floppy disk, ZIP disk, USB flash disk, tape
Deng.Memory disclosed in this invention includes but is not limited to the memory of these types.Memory 305 disclosed in this invention
As an example rather than as restriction.
Input unit 307 is used to receive the input of signal, and receives the keyword of user's input.Input unit 307 can
Including touch panel and other input equipments.Touch panel collects the touch operation of user on it or nearby and (for example uses
Family uses the operations of any suitable object or attachment on touch panel or near touch panel such as finger, stylus), and root
According to the corresponding attachment device of preset driven by program；Other input equipments can include but is not limited to physical keyboard, function
One of key (such as broadcasting control button, switch key etc.), trace ball, mouse, operating stick etc. are a variety of.Display unit
309 can be used for showing the information of user's input or be supplied to the information of user and the various menus of computer equipment.Display is single
The forms such as liquid crystal display, Organic Light Emitting Diode can be used in member 309.Processor 303 is the control centre of computer equipment, benefit
With the various pieces of various interfaces and the entire computer of connection, by running or executing the software being stored in memory 303
Program and/or module, and the data being stored in memory are called, perform various functions and handle data.Shown in Fig. 3
One or more processors 303 are able to carry out, realize receiving module 11, extraction module 12 shown in Fig. 3 and dispatch module
13 function.
In one embodiment, the computer equipment includes memory 305 and processor 303, the memory 305
In be stored with computer-readable instruction, when the computer-readable instruction is executed by the processor, so that the processor 303
The step of executing a kind of processing method of the Streaming Media task based on multithreading described in above embodiments.
A kind of computer equipment provided in an embodiment of the present invention, it can be achieved that the task execution of receiving stream media task is requested,
It include pending goal task in the task execution request；The mission bit stream in the goal task is extracted, according to described in
Mission bit stream is that corresponding environment change is arranged in each thread in the thread pool using the thread creation thread pool being pre-created
Amount；The goal task is assigned in the thread pool according to preset dynamic equilibrium scheduling strategy and is appointed with the target
It is engaged in matched thread, and executes the goal task under the environmental variance of its own by the thread.The present invention is using multi-thread
The task processing mode of journey realizes the reasonable assignment of goal task using dynamic equilibrium scheduling strategy, and environmental variance is using part
Variable provides possibility for the encapsulation use in the library Dll, improves while the performance and stability of multi-data processing, Ke Huti
It tests more excellent.
Computer readable storage medium provided in an embodiment of the present invention may be implemented the above-mentioned Streaming Media based on multithreading and appoint
The embodiment of the processing method of business, concrete function realize the explanation referred in embodiment of the method, and details are not described herein.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, which can be stored in a computer-readable storage and be situated between
In matter, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, storage medium above-mentioned can be
The non-volatile memory mediums such as magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or random storage note
Recall body (Random Access Memory, RAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of processing method of the Streaming Media task based on multithreading, which is characterized in that the described method includes:
The task execution of receiving stream media task is requested, and includes pending goal task in the task execution request；
The mission bit stream in the goal task is extracted, utilizes the thread creation thread being pre-created according to the mission bit stream
Pond is that corresponding environmental variance is arranged in each thread in the thread pool；
The goal task is assigned in the thread pool and the target according to preset dynamic equilibrium scheduling strategy
The matched thread of task, and the goal task is executed under the environmental variance of its own by the thread.
2. the processing method of the Streaming Media task according to claim 1 based on multithreading, which is characterized in that the foundation
The mission bit stream is that corresponding environment is arranged in each thread in the thread pool using the thread creation thread pool being pre-created
Variable, comprising:
It determines maximum thread amount according to CPU core calculation and creates the thread of corresponding number；
The thread pool is created using ThreadPoolExecutor class according to the mission bit stream, wherein
The parameter of the constructed fuction of ThreadPoolExecutor class includes at least: the quantity of kernel thread, the maximum thread amount
And save the task queue of pending task.
3. the processing method of the Streaming Media task according to claim 1 based on multithreading, which is characterized in that the foundation
The goal task is assigned in the thread pool by preset dynamic equilibrium scheduling strategy to be matched with the goal task
Thread, comprising:
The mapping relations for the task that current each thread and each thread are carrying out are counted according to preset task statistical function, and
Record the task quantity that each thread is currently executing；
Statistical result according to the task statistical function distributes the goal task to currently performed task minimum number
Thread.
4. the processing method of the Streaming Media task according to claim 1 based on multithreading, which is characterized in that further include:
The thread being currently running is interrupted, the status information of the task execution node of interruption and preservation are captured；
New thread is created on new task execution node；
Restore the operation of the new thread using the status information of preservation.
5. the processing method of the Streaming Media task according to claim 1 based on multithreading, which is characterized in that the thread
It further include saturated process strategy in pond, it is described to be assigned to the goal task according to preset dynamic equilibrium scheduling strategy
In the thread pool with the matched thread of the goal task, further includes:
When the quantity of the received goal task is more than the maximum thread amount range and the task queue capacity, benefit
The goal task exceeded with the saturation strategy processing.
6. the processing method of the Streaming Media task according to claim 5 based on multithreading, which is characterized in that the utilization
The goal task that the saturation strategy processing exceeds, comprising:
Not when the quantity of the received goal task is more than the maximum thread amount range and the task queue capacity
New task is executed, direct throw exception prompts the thread pool to expire；
Alternatively, do not execute new task, also not throw exception；
Alternatively, being that the new task currently come in executes by first task replacement in message queue.
7. the processing method of the Streaming Media task according to claim 5 based on multithreading, which is characterized in that the foundation
The goal task is assigned in the thread pool by preset dynamic equilibrium scheduling strategy to be matched with the goal task
Thread, further includes:
When the quantity of the received goal task is less than the maximum thread amount range and the task queue capacity,
For the stream medium data in the goal task, distributed lock is set.
8. a kind of processing unit of the Streaming Media task based on multithreading characterized by comprising
Receiving module, the task execution for receiving stream media task are requested, comprising pending in the task execution request
Goal task；
Extraction module is pre-created for extracting the mission bit stream in the goal task according to mission bit stream utilization
Thread creation thread pool is that corresponding environmental variance is arranged in each thread in the thread pool；
Dispatch module, for the goal task to be assigned to the thread pool according to preset dynamic equilibrium scheduling strategy
In with the matched thread of the goal task, and the goal task is executed under the environmental variance of its own by the thread.
9. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program, the computer program realize the Streaming Media described in any one of claims 1 to 7 based on multithreading when being executed by processor
The step of processing method of task.
10. a kind of computer equipment, which is characterized in that including memory and processor, be stored with computer in the memory
Readable instruction, when the computer-readable instruction is executed by the processor so that the processor execute as claim 1 to
The step of processing method of Streaming Media task described in any one of 7 claims based on multithreading.
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