CN107302525A - Draw method of flow control and device, readable storage medium storing program for executing, streaming media server - Google Patents
Draw method of flow control and device, readable storage medium storing program for executing, streaming media server Download PDFInfo
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- CN107302525A CN107302525A CN201710411094.5A CN201710411094A CN107302525A CN 107302525 A CN107302525 A CN 107302525A CN 201710411094 A CN201710411094 A CN 201710411094A CN 107302525 A CN107302525 A CN 107302525A
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- stream
- flow control
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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
- H04L65/762—Media network packet handling at the source
-
- 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
- H04L65/40—Support for services or applications
-
- 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
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
One kind draws method of flow control and device, readable storage medium storing program for executing, streaming media server.Methods described includes：When receiving the request for obtaining live content, host process is called to distribute first from the process processing request for obtaining live content；Call described first to be obtained from process and push the second of asked stream from process；When described first pushes the second of asked stream from process from process is non-, call described first to go back to source from process from described second from process and draw stream, and sent the stream pulled to corresponding client from process by described first, wherein, described first is any one all from process from process from process and second.Using such scheme, it is possible to reduce the load and bandwidth of streaming media server.
Description
Technical field
The present invention relates to stream media technology field, and in particular to one kind draw method of flow control and device, readable storage medium storing program for executing,
Streaming media server.
Background technology
Streaming Media, refers in a streaming manner the media format of transmission audio, video and multimedia file in a network.Relative to
The netcast form watched after download, Streaming Media can take being transmitted after continuous Voice ＆ Video Information Compression to Streaming Media
It is engaged on device, user watches when downloading, without waiting whole file download to finish.
Live content is pushed to streaming media server by the provider of live content by plug-flow technology, and this process is referred to as pushed away
Stream.When watching live content, viewing side sends watching request, and live content is pulled to viewing side from streaming media server
Client, this process referred to as draws stream.
Existing streaming media server mostly uses principal and subordinate (master-worker) pattern, streaming media service on startup
Device is when calling main (master) process to draw stream, and host process is not aware which process user needs the stream drawn in, thus often
Stream needed for often resulting in user but pulled in streaming media server less than situation.
In view of the above-mentioned problems, mainly taking solution below at present：When user is to streaming media server plug-flow, matchmaker is flowed
Body server calls are all to flow from (worker) process to push this road so that all to there is the data letter flowed on this road from process
Breath.When user asks the road to be flowed, streaming media server can call any from process progress drawing stream.
In above-mentioned solution, exist due to each from process with the data message flowed all the way, cause Streaming Media to take
The load of business device and the increase of bandwidth.
The content of the invention
The problem to be solved in the present invention is how to reduce the load and bandwidth of streaming media server.
To solve the above problems, drawing method of flow control the embodiments of the invention provide one kind, methods described includes：Work as reception
First is distributed from the process processing request for obtaining live content to host process during the request for obtaining live content, is called；Adjust
Obtained with described first from process and push the second of asked stream from process；Push what is asked from process is non-when described first
Stream second from process when, call described first from process from described second from process return source draw stream, and by described first from
Process sends the stream pulled to corresponding client, wherein, described first from process and second from process for it is all from
Any one in process.
Alternatively, methods described also includes：When described first from process be to push the second of asked stream from process when,
Described first is called to send the corresponding stream of the live content asked to corresponding client from process.
Alternatively, it is described to call described first to obtain push asked stream second from process from process, including：Call
Described first from process from the mapping relation information prestored, obtain asked stream corresponding second from process, it is described
The mapping relation information prestored is the identification information flowed per road and pushes believing from the corresponding relation between process for respective streams
Breath.
Alternatively, the mapping relation information prestored is stored in shared drive.
Alternatively, the identification information of the stream is the subscript of the stream place array identified.
Alternatively, the subscript of array includes where the stream：The character string of the mount point of the stream and the title composition of stream
Carry out the numerical value after Hash operation.
It is alternatively, described that from described second, stream is drawn in time source from process, including：Using the agreement of preset configuration from described
Two go back to source from process draws stream.
Alternatively, the agreement of the preset configuration includes：Transmission Control Protocol or unix agreements.
The embodiment of the present invention additionally provides a kind of drawing flow control device, and described device includes：First control unit, suitable for working as
When receiving the request for obtaining live content, call host process to distribute first and obtain asking for live content from process processing is described
Ask；Acquiring unit, suitable for calling described first to obtain to push the second of asked stream from process from process；Second control is single
Member, suitable for when described first pushes the second of asked stream from process from process is non-, calling described first from process from institute
State second and go back to source from process and draw and flow, and sent the stream pulled to corresponding client from process by described first, its
In, described first is any one all from process from process from process and second.
Alternatively, described device also includes：3rd control unit, suitable for when described first from process push asked
Stream second from process when, call described first to send the stream asked to corresponding client from process.
Alternatively, the acquiring unit, suitable for call first from process from the mapping relation information prestored, obtain
The stream corresponding second asked is from process, and the mapping relation information prestored is the identification information and push flowed per road
Respective streams from the correspondence relationship information between process.
Alternatively, the mapping relation information prestored is stored in shared drive.
Alternatively, the identification information of the stream is the subscript of the stream place array identified.
Alternatively, it is designated as entering the character string that the mount point of the stream and the title of stream are constituted under array where the stream
Numerical value after row Hash operation.
Alternatively, second control unit be suitable to using preset configuration agreement from described second from process Hui Yuanla
Stream.
Alternatively, the agreement of the preset configuration includes：Transmission Control Protocol or unix agreements.
The embodiment of the present invention additionally provides a kind of computer-readable recording medium, is stored thereon with computer instruction, described
The step of computer instruction performs any of the above-described kind of methods described when running.
The embodiment of the present invention is additionally provided on a kind of streaming media server, including memory and processor, the memory
Be stored with the computer instruction that can be run on the processor, and the processor is performed when running the computer instruction
The step of stating any methods described.
Compared with prior art, the technical scheme of the embodiment of the present invention has advantages below：
Using such scheme, when receiving the request for obtaining live content, host process is first called to distribute first from process
The processing request for obtaining live content, recalls described first and is obtained from process and push the second of asked stream from entering
Journey, host process distributed first push the second of asked stream from process from process is non-when, call described first from entering
Journey goes back to source from process from described second and draws stream, and the stream pulled is sent to corresponding client, it is possible thereby to so that
User can watch asked live content, it is to avoid user occur when each transmission obtains the request of live content
The stream asked but pulled in streaming media server less than situation.Meanwhile, in user's plug-flow, call one to enter from process
Row processing, rather than call it is all handled from process, it is possible thereby to reduce the load and bandwidth of streaming media server.
Brief description of the drawings
Fig. 1 is a kind of structural representation of stream media service system in the embodiment of the present invention；
Fig. 2 is a kind of flow chart of drawing method of flow control in the embodiment of the present invention；
Fig. 3 is a kind of structural representation of drawing flow control device in the embodiment of the present invention.
Embodiment
At present, but pulled in streaming media server for the stream needed for user less than situation, the solution party often taken
Case is：Automatic push (auto_push) module is set in streaming media server, when user is to streaming media server plug-flow,
Auto_push modules can control host process call it is all from process come push this road stream so that it is all from process all exist this
The data message of road stream.When user asks the road to be flowed, streaming media server can call any from process progress drawing stream.
Exist due to each from process with the data message that flows all the way, can cause streaming media server load and
The increase of bandwidth.
In view of the above-mentioned problems, drawing method of flow control the embodiments of the invention provide one kind, acquisition live content is being received
Request when, first call host process distribute first from process processing it is described obtain live content request, recall described first
Obtained from process and push the second of asked stream from process, first from process is non-push what is asked what host process was distributed
The second of stream from process when, call described first to go back to source from process from described second from process and draw stream, and will pull
Stream is sent to corresponding client, it is possible thereby to which so that user can see when each transmission obtains the request of live content
See asked live content, it is to avoid occur the stream that user asked but pulled in streaming media server less than situation.
Meanwhile, in user's plug-flow, call one to be handled from process, rather than call it is all handled from process, it is possible thereby to
Reduce the load and bandwidth of streaming media server.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment explain.
First, in order to clearly illustrate the drawing method of flow control provided in the embodiment of the present invention, first described draw is flowed
The stream media service system that control method is related to describes in detail：
Reference picture 1, the stream media service system 1 can include main broadcaster end 11, streaming media server 12 and multiple visitors
131~13N of family end.
Live content is pushed to streaming media server 12 by the provider of live content by main broadcaster end 11.In viewing is live
The user of appearance can pull the live content on streaming media server 12 to the client at place, such as, watch live content
User the live content on streaming media server 12 can be pulled to client 131.
In an embodiment of the present invention, the streaming media server 12 can be nginx (engine x) server.And
And, the streaming media server 12 supports a host process, and each host process correspondence is multiple from progress.Wherein, host process is responsible for
Receive and distribution task, be responsible for handling subtask from process.After subtask has been handled from process, master can be returned result to
Process, is concluded and is collected by main, so as to obtain final result.
Fig. 2 is a kind of drawing method of flow control provided in an embodiment of the present invention.Reference picture 2, methods described can specifically include
Following steps：
Step 21, when receiving the request for obtaining live content, host process is called to distribute first described from process processing
Obtain the request of live content.
In specific implementation, reference picture 1 obtains the request of live content, is user by the client at place to stream matchmaker
What body server 12 was sent.Such as, user can be sent to streaming media server 12 by client 132 and obtain live content
Request, to obtain the live video to be watched.The request for obtaining live content, can asking for viewing live video
Ask, or obtain the request of live audio etc., it is not restricted specifically.
When receiving the request for obtaining live content, call host process to distribute first and handle what user was asked from process
Stream, wherein, first is any one all from process from process.That is, host process can distribute any from process
To handle in the stream that user is asked, embodiments of the invention, using handle the stream asked of user from process as second from
Process.
Such as, there is 1 host process in streaming media server, and 8 from process.Wherein, described 8 from process be No. 1
~No. 8 from process.When receiving the request for obtaining live content, the host process can be called to distribute 8 from appointing in process
Meaning one handles the request for obtaining live content from process.
Step 22, call described first to be obtained from process and push the second of asked stream from process.
In one embodiment of this invention, it can obtain what user was asked from the mapping relation information prestored
Corresponding second is flowed from process.Wherein, the mapping relation information prestored is the identification information flowed per road with pushing phase
Should flow from the correspondence relationship information between process.That is, the identification information that can be flowed in advance to every road is corresponding to push
That flows is recorded and is stored from the correspondence relationship information between process.
In specific implementation, the identification information flowed per road can be set using various ways.Such as, it will can be identified
The subscript for flowing place array is used as the identification information of the stream.It is of course also possible to use other manner flows into line identifier to every road.
In one embodiment of this invention, can be by the title of the mount point (appname) of the stream and stream
(streamname) character string of composition carries out the numerical value after Hash operation as the subscript of array where the stream, it is possible thereby to
The stream of user's request is calculated in which process, the process then can be arrived and draw stream.
In one embodiment of this invention, in order to obtain push the stream that user is asked second more quickly from process,
The mapping relation information prestored can be stored in shared drive, i.e., read and described deposit in advance from shared drive
The mapping relation information of storage simultaneously determines second from process.
When receiving the request for obtaining live content, user institute can be got from the request of the acquisition live content
The identification information of the stream of request, such as, can get the stream institute that user is asked from the request of the acquisition live content
In the mount point and the title of stream of array, and the title progress Hash operation based on the mount point and stream got, obtain user
The identification information for the stream asked, be based ultimately upon obtained by stream identification information, from the mapping relation information prestored
Corresponding second is obtained from process.
In another embodiment of the invention, when call described first from process in the mapping relation information prestored
Do not get stream that user asked it is corresponding from process when, the stream can be asked to streaming media server, and described pre-
Recorded in the mapping relation information first stored the identification information of the stream and push the stream from the correspondence relationship information between process.
Step 23, when described first pushes the second of asked stream from process from process is non-, call described first from
Process goes back to source from process from described second and draws stream, and is sent the stream pulled to corresponding visitor from process by described first
Family end.
In specific implementation, first may also may be used from process to push the second of the stream that the user be asked from process
The second of the stream that the user is asked non-can be pushed from process.That is, first from process may be with second from process
It is same from process, it is also possible to it is non-same from process.
Such as, when first from process be 8 from No. 3 in process from process, and second is this 8 from process from process
No. 4 from process when, described first from process with it is second non-same from process from process.When first from process with second from process
Be 8 from No. 4 in process from process when, described first from process with second from process to be same from process.
When first from process with second from process for it is same from process when, now, first remains with user institute from process
The data message of the stream of request, directly invokes described first and sends the corresponding stream of the live content asked to correspondence from process
Client, that is, call first to send the data message of the stream retained to corresponding client from process.
When first from process with second from process it is non-it is same from process when, remain with user from process and ask by second
The data message for the stream asked, can now call first to go back to source from process from second from process and draw stream, that is, call first
The data message of the second stream retained from process is obtained from process, and the stream pulled is sent to corresponding client
End.
In specific implementation, first is called when going back to source from process from second from process and drawing stream, can be according to being pre-configured with
Agreement source gone back to from process from described second draw stream, that is, carried out according to the agreement stream of being asked user of preset configuration
Encapsulation, has reached the purpose of Hui Yuan between process.Such as, can be with transmission control protocol (Transmission Control
Protocol, TCP) agreement or unix agreements go back to source from process from described second and draw stream.
As shown in the above, the drawing method of flow control in the embodiment of the present invention, needed for can not only avoiding the occurrence of user
Stream but pulled in streaming media server less than situation, and in user's plug-flow, call one to be handled from process,
Rather than call it is all handled from process, can effectively reduce the load and bandwidth of streaming media server.
In addition, call described first from process to determine second from process, and first from process non-second from process when,
Call described first to go back to source from process from described second from process and draw stream, can be with relative to being scheduled completely by host process
Reduce the scheduling burden of host process, it is to avoid host process scheduling is slipped up and causes user can not watch live content and influence master
The situation of the other functions of process.
In order that those skilled in the art more fully understand and realized the present invention, below to above-mentioned drawing method of flow control correspondence
Drawing flow control device, computer-readable medium and streaming media server be described in detail.
Reference picture 3, flow control device 30 is drawn the embodiments of the invention provide one kind, and described device 30 can include：First
Control unit 31, the control unit 33 of acquiring unit 32 and second.Wherein：
First control unit 31, suitable for when receiving the request for obtaining live content, calling host process distribution the
One handles the request for obtaining live content from process；
The acquiring unit 32, suitable for calling described first to obtain to push the second of asked stream from process from process；
Second control unit 33, suitable for pushing the second of asked stream from process from process is non-when described first
When, call described first from process from described second from process return source draw stream, and by described first from process will pull to
Stream send to corresponding client, wherein, described first from process and second from process to be all from any one in process
It is individual.
In one embodiment of this invention, described device 30 can also include：3rd control unit 34, suitable for when described
One is when pushing the second of asked stream from process, to call described first to send the stream asked to right from process from process
The client answered.
In one embodiment of this invention, the acquiring unit 32 is suitable to call first from process from the mapping prestored
In relation information, asked stream corresponding second is obtained from process, and the mapping relation information prestored is stream per road
Identification information and push respective streams from the correspondence relationship information between process.
In one embodiment of this invention, the mapping relation information prestored can be stored in shared drive.
In one embodiment of this invention, the identification information of the stream can for array where the stream that is identified subscript.
In one embodiment of this invention, the title of the mount point and stream to the stream is designated as under array where the stream
The character string of composition carries out the numerical value after Hash operation.
In one embodiment of this invention, second control unit 33 is suitable to agreement using preset configuration from described the
Two go back to source from process draws stream.
In one embodiment of this invention, the agreement of the preset configuration includes：Transmission Control Protocol or unix agreements.
The embodiment of the present invention additionally provides a kind of computer-readable recording medium, is stored thereon with computer instruction, described
Computer instruction performs the step of drawing method of flow control described in above-described embodiment when running.
In specific implementation, the computer-readable recording medium can include：ROM, RAM, disk or CD etc..
Embodiments of the invention additionally provide a kind of streaming media server, and the streaming media server can include memory
And processor, be stored with the memory computer instruction that can be run on the processor, the processor operation
The step of drawing method of flow control described in above-described embodiment is performed during the computer instruction.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, are not departing from this
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (18)
1. one kind draws method of flow control, it is characterised in that including：
When receiving the request for obtaining live content, host process is called to distribute first from the process processing acquisition live content
Request；
Call described first to be obtained from process and push the second of asked stream from process；
When described first pushes the second of asked stream from process from process is non-, described first is called from process from described the
Two go back to source from process draws stream, and is sent the stream pulled to corresponding client from process by described first, wherein, institute
It is any one all from process from process that first, which is stated, from process and second.
2. method of flow control is drawn as claimed in claim 1, it is characterised in that also included：When described first from process be push
The second of the stream asked from process when, call described first to send the corresponding stream of the live content asked to right from process
The client answered.
3. method of flow control is drawn as claimed in claim 1, it is characterised in that described to call described first to obtain push from process
The second of the stream asked from process, including：
Call described first from process from the mapping relation information prestored, obtain asked stream corresponding second from entering
Journey, the mapping relation information prestored be the identification information flowed per road with push respective streams from corresponding between process
Relation information.
4. method of flow control is drawn as claimed in claim 3, it is characterised in that the mapping relation information storage prestored
In shared drive.
5. method of flow control is drawn as claimed in claim 3, it is characterised in that the identification information of the stream is the stream institute that is identified
In the subscript of array.
6. method of flow control is drawn as claimed in claim 5, it is characterised in that the subscript of array includes where the stream：It is described
The character string of the mount point of stream and the title composition of stream carries out the numerical value after Hash operation.
7. as claimed in claim 1 draw method of flow control, it is characterised in that it is described from described second from process Hui Yuanla
Stream, including：
Source is returned from process from described second using the agreement of preset configuration and draws stream.
8. method of flow control is drawn as claimed in claim 7, it is characterised in that the agreement of the preset configuration includes：Transmission Control Protocol
Or unix agreements.
9. one kind draws flow control device, it is characterised in that including：
First control unit, suitable for when receiving the request for obtaining live content, calling host process to distribute first at process
The reason request for obtaining live content；
Acquiring unit, suitable for calling described first to obtain to push the second of asked stream from process from process；
Second control unit, suitable for when described first pushes the second of asked stream from process from process is non-, calling described
First goes back to source from described second from process from process draws stream, and is sent the stream pulled to right from process by described first
The client answered, wherein, described first is any one all from process from process from process and second.
10. flow control device is drawn as claimed in claim 9, it is characterised in that also included：
3rd control unit, suitable for when described first from process be to push the second of asked stream from process when, call described
First sends the stream asked to corresponding client from process.
11. flow control device is drawn as claimed in claim 9, it is characterised in that the acquiring unit, suitable for calling first from entering
Journey obtains asked stream corresponding second from process from the mapping relation information prestored, it is described prestore reflect
Penetrate relation information be the identification information flowed per road and push respective streams from the correspondence relationship information between process.
12. flow control device is drawn as claimed in claim 11, it is characterised in that the mapping relation information prestored is deposited
Storage is in shared drive.
13. flow control device is drawn as claimed in claim 11, it is characterised in that the identification information of the stream is the stream that is identified
The subscript of place array.
14. flow control device is drawn as claimed in claim 13, it is characterised in that be designated as under array where the stream to described
The character string of the mount point of stream and the title composition of stream carries out the numerical value after Hash operation.
15. flow control device is drawn as claimed in claim 9, it is characterised in that second control unit is suitable to using default
The agreement of configuration goes back to source from process from described second and draws stream.
16. flow control device is drawn as claimed in claim 15, it is characterised in that the agreement of the preset configuration includes：TCP is assisted
View or unix agreements.
17. a kind of computer-readable recording medium, is stored thereon with computer instruction, it is characterised in that the computer instruction
During operation the step of any one of perform claim requirement 1 to 8 methods described.
Can be in the processor 18. being stored with a kind of streaming media server, including memory and processor, the memory
The computer instruction of upper operation, it is characterised in that perform claim requirement 1 to 8 when the processor runs the computer instruction
The step of any one methods described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411094.5A CN107302525A (en) | 2017-06-02 | 2017-06-02 | Draw method of flow control and device, readable storage medium storing program for executing, streaming media server |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411094.5A CN107302525A (en) | 2017-06-02 | 2017-06-02 | Draw method of flow control and device, readable storage medium storing program for executing, streaming media server |
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| CN107302525A true CN107302525A (en) | 2017-10-27 |
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ID=60134590
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710411094.5A Pending CN107302525A (en) | 2017-06-02 | 2017-06-02 | Draw method of flow control and device, readable storage medium storing program for executing, streaming media server |
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Application publication date: 20171027 |