CN109005381A - Streaming media service based on Railway Integrated Video monitoring divides retransmission method and device - Google Patents
Streaming media service based on Railway Integrated Video monitoring divides retransmission method and device Download PDFInfo
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- CN109005381A CN109005381A CN201810587381.6A CN201810587381A CN109005381A CN 109005381 A CN109005381 A CN 109005381A CN 201810587381 A CN201810587381 A CN 201810587381A CN 109005381 A CN109005381 A CN 109005381A
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- China
- Prior art keywords
- data
- media stream
- transmission line
- sent
- data transmission
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
The embodiment of the present invention disclose it is a kind of based on Railway Integrated Video monitoring streaming media service divide retransmission method and device, when distributing multi-path media flow data simultaneously, the data delay and Caton that will not lead to other recipients due to the reception or processing not in time etc. of some Data receiver, to be able to satisfy requirement of the integrated video monitoring system for railway to monitor video real-time.Method includes: S1, receives the media stream data that the equipment access service of Railway Integrated Video monitoring is sent；S2, by data transmission line journey by the media stream data person that is sent to media stream receiver, wherein, the quantity of the data transmission line journey is equal with the quantity of the media stream receiver person, and a data, which will send thread, to be sent to a media stream receiver person by media stream data all the way.
Description
Technical field
The present embodiments relate to stream media technology fields, and in particular to a kind of stream matchmaker based on Railway Integrated Video monitoring
Body service divides retransmission method and device.
Background technique
Existing streaming media service divides pass-through mode by the way of single buffer, when data module receives media stream number
According to when be put into cyclic buffer, then take out data from cyclic buffer again and be put into corresponding media session channel and be sent to pair
The client answered.
But due to the multilevel structure mode of integrated video monitoring system for railway, there is multi-user not at the same level while browsing is same
One camera lens has higher requirement to the real-time of video.If using existing technical solution, while distributing multipath media stream
Probably since some Data receiver receives or handles not in time, so as to cause the data delay of other media stream receivers person
And Caton.
Summary of the invention
In view of the shortcomings of the prior art and defect, the embodiment of the present invention provide a kind of based on Railway Integrated Video monitoring
Streaming media service divide retransmission method and device.
On the one hand, the embodiment of the present invention proposes a kind of streaming media service point forwarding side based on Railway Integrated Video monitoring
Method, comprising:
The media stream data that S1, the equipment access service for receiving Railway Integrated Video monitoring are sent；
S2, by data transmission line journey by the media stream data person that is sent to media stream receiver, wherein the data hair
The quantity of line sending journey is equal with the quantity of the media stream receiver person, and a data send thread and media stream data will send all the way
To a media stream receiver person.
On the other hand, the embodiment of the present invention proposes a kind of streaming media service point forwarding dress based on Railway Integrated Video monitoring
It sets, comprising:
Data reception module, the media stream data that the equipment access service for receiving Railway Integrated Video monitoring is sent；
Data transmission blocks, for by data transmission line journey by the media stream data person that is sent to media stream receiver,
Wherein, the quantity of the data transmission line journey is equal with the quantity of the media stream receiver person, and a data send thread for one
Road media stream data is sent to a media stream receiver person.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, comprising: processor, memory, bus and are stored in
On memory and the computer program that can run on a processor；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes the above method when executing the computer program.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, on the storage medium
It is stored with computer program, which realizes the above method when being executed by processor.
Streaming media service provided in an embodiment of the present invention based on Railway Integrated Video monitoring divides retransmission method and device, first
First receive the media stream data that the equipment access service of Railway Integrated Video monitoring is sent；Then pass through data transmission line journey for institute
The media stream data person that is sent to media stream receiver is stated, compared to the prior art, because of the number of data transmission line journey described in this programme
Amount is equal with the quantity of the media stream receiver person, and a data, which will send thread, to be sent to a media by media stream data all the way
Flow recipient, thus when simultaneously distribute multi-path media flow data when, will not due to some Data receiver reception or processing not
In time etc. reasons and lead to the data delay and Caton of other recipients, to be able to satisfy integrated video monitoring system for railway to prison
Control the requirement of video real-time.
Detailed description of the invention
Fig. 1 is that the present invention is based on the streaming media services that Railway Integrated Video monitors, and the process of one embodiment of retransmission method to be divided to show
It is intended to；
Fig. 2 is that the present invention is based on the streaming media services that Railway Integrated Video monitors, and the structure of one embodiment of retransmission unit to be divided to show
It is intended to；
Fig. 3 is the entity structure schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, the range of protection of the embodiment of the present invention is belonged to.
Referring to Fig. 1, the present embodiment disclose it is a kind of based on Railway Integrated Video monitoring streaming media service divide retransmission method, wrap
It includes:
The media stream data that S1, the equipment access service for receiving Railway Integrated Video monitoring are sent；
S2, by data transmission line journey by the media stream data person that is sent to media stream receiver, wherein the data hair
The quantity of line sending journey is equal with the quantity of the media stream receiver person, and a data send thread and media stream data will send all the way
To a media stream receiver person.
Streaming media service provided in an embodiment of the present invention based on Railway Integrated Video monitoring divides retransmission method, receives first
The media stream data that the equipment access service of Railway Integrated Video monitoring is sent；Then pass through data transmission line journey for the media
Flow data is sent to media stream receiver person, compared to the prior art, quantity and institute because of data transmission line journey described in this programme
The quantity for the person that states media stream receiver is equal, and a data, which will send thread, to be sent to a media stream receiver by media stream data all the way
Person, thus when distributing multi-path media flow data simultaneously, will not due to some Data receiver reception or processing not in time etc.
Reason and the data delay and Caton for leading to other recipients, to be able to satisfy integrated video monitoring system for railway to monitor video
The requirement of real-time.
On the basis of preceding method embodiment, the S1 may include:
The media stream data that the equipment access service is sent is received by data receiver thread, by the media stream data
It is stored in the corresponding circular buffer of the data receiver thread.
In the present embodiment, data receiver thread is responsible for receiving media stream person (the i.e. equipment of Railway Integrated Video monitoring
Access service) send media stream data, storage when by media stream data by complete data frame form be stored in data receiver
In the corresponding circular buffer of thread.
On the basis of preceding method embodiment, the S2 may include:
Media stream data is taken out from the corresponding circular buffer of the data receiver thread by data processing threads, by institute
Media stream data is stated to be stored in the corresponding circular buffer of the data transmission line journey；
The media stream number that will be stored in the corresponding circular buffer of the data transmission line journey by the data transmission line journey
According to being sent to the media stream receiver person.
In the present embodiment, data processing threads take out frame data from the corresponding circular buffer of data receiver thread, then
It is put into respectively in the corresponding circular buffer of data transmission line journey again, then corresponding media stream receiver is sent to by data transmission line journey
Person.
It is described to be sent the media stream data by the data transmission line journey on the basis of preceding method embodiment
To the media stream receiver person, may include:
Know that the quantity for the video frame that there is storage in the corresponding circular buffer of the data transmission line journey is greater than in judgement
When the circular buffer of preset numerical value, the quantity of the video frame of the storage is greater than in the circular buffer of the preset numerical value and is deposited
Non-key frame in the video frame of storage abandons a part, and passes through the corresponding data transmission line journey of the circular buffer for remaining view
Frequency frame is sent to corresponding media stream receiver person.
In the present embodiment, when the video frame number in some corresponding circular buffer of data transmission line journey reaches certain quantity
When, take different frame losing strategies.Such as take non-key frame every the side that frame abandons when the quantity of video frame reaches 100 frames or more
Formula takes the mode for abandoning most of non-key frame when reaching 150 frames or more, to guarantee to meet media stream receiver person as far as possible
Video real-time and fluency requirement.
Referring to Fig. 2, the present embodiment disclose it is a kind of based on Railway Integrated Video monitoring streaming media service divide retransmission unit, wrap
It includes:
Data reception module 1, the media stream data that the equipment access service for receiving Railway Integrated Video monitoring is sent；
Data transmission blocks 2, for by data transmission line journey by the media stream data person that is sent to media stream receiver,
Wherein, the quantity of the data transmission line journey is equal with the quantity of the media stream receiver person, and a data send thread for one
Road media stream data is sent to a media stream receiver person.
Specifically, the data reception module 1 receives the media that the equipment access service of Railway Integrated Video monitoring is sent
Flow data；The data transmission blocks 2 by data transmission line journey by the media stream data person that is sent to media stream receiver,
In, the quantity of the data transmission line journey is equal with the quantity of the media stream receiver person, and a data send thread will all the way
Media stream data is sent to a media stream receiver person.
It should be noted that well-behaved retransmission technique scheme can send out object by dynamic generation data conversion according to actual needs
The quantity of (streaming media service i.e. based on Railway Integrated Video monitoring divides retransmission unit), i.e., according to media stream receiver person request
The difference of media stream data generates corresponding data conversion and sends out object, and when some data conversion hair object is stopping a point forwarding function
It can not terminate its life cycle after energy, to achieve the purpose that resource multiplex.
Streaming media service provided in an embodiment of the present invention based on Railway Integrated Video monitoring divides retransmission unit, receives first
The media stream data that the equipment access service of Railway Integrated Video monitoring is sent；Then pass through data transmission line journey for the media
Flow data is sent to media stream receiver person, compared to the prior art, quantity and institute because of data transmission line journey described in this programme
The quantity for the person that states media stream receiver is equal, and a data, which will send thread, to be sent to a media stream receiver by media stream data all the way
Person, thus when distributing multi-path media flow data simultaneously, will not due to some Data receiver reception or processing not in time etc.
Reason and the data delay and Caton for leading to other recipients, to be able to satisfy integrated video monitoring system for railway to monitor video
The requirement of real-time.
On the basis of aforementioned device embodiment, the data reception module specifically can be used for:
The media stream data that the equipment access service is sent is received by data receiver thread, by the media stream data
It is stored in the corresponding circular buffer of the data receiver thread.
On the basis of aforementioned device embodiment, referring to Fig. 2, described device can also include:
Data processing threads 3；Wherein,
The data processing threads 3 specifically can be used for from the corresponding circular buffer of the data receiver thread taking out
The media stream data is stored in the corresponding circular buffer of the data transmission line journey by media stream data；
The data transmission blocks 2, specifically can be used for:
The media stream number that will be stored in the corresponding circular buffer of the data transmission line journey by the data transmission line journey
According to being sent to the media stream receiver person.
In the present embodiment, referring to Fig. 2, data reception module is responsible for receiving the media stream data that media stream person sends,
And it will be in its circular buffer by the form deposit data reception module of complete data frame.Data processing threads are from data reception
Frame data are taken out in the circular buffer of block, in the circular buffer for then putting data transmission blocks into respectively again, then are sent by data
The data transmission line journey of module is sent to corresponding media stream receiver person.
On the basis of aforementioned device embodiment, the data transmission blocks specifically can be used for:
Know that the quantity for the video frame that there is storage in the corresponding circular buffer of the data transmission line journey is greater than in judgement
When the circular buffer of preset numerical value, the quantity of the video frame of the storage is greater than in the circular buffer of the preset numerical value and is deposited
Non-key frame in the video frame of storage abandons a part, and passes through the corresponding data transmission line journey of the circular buffer for remaining view
Frequency frame is sent to corresponding media stream receiver person.
The streaming media service based on Railway Integrated Video monitoring of the present embodiment divides retransmission unit, can be used for executing aforementioned
The technical solution of embodiment of the method, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 3 shows the entity structure schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention, as shown in figure 3, should
Electronic equipment may include: processor 11, memory 12, bus 13 and be stored on memory 12 and can transport on processor 11
Capable computer program；
Wherein, the processor 11, memory 12 complete mutual communication by the bus 13；
The processor 11 realizes method provided by above-mentioned each method embodiment when executing the computer program, such as
It include: the media stream data for receiving the equipment access service of Railway Integrated Video monitoring and sending；By data transmission line journey by institute
State the media stream data person that is sent to media stream receiver, wherein the quantity of the data transmission line journey and the media stream receiver person
Quantity it is equal, data, which will send thread, to be sent to a media stream receiver person by media stream data all the way.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, is stored thereon with computer program, should
Method provided by above-mentioned each method embodiment is realized when computer program is executed by processor, for example, it is comprehensive to receive railway
Close the media stream data that the equipment access service of video monitoring is sent；The media stream data is sent by data transmission line journey
Give media stream receiver person, wherein the quantity of the data transmission line journey is equal with the quantity of the media stream receiver person, a number
A media stream receiver person will be sent to by media stream data all the way according to thread is sent.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.Term " on ", "lower" etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In specification of the invention, numerous specific details are set forth.Although it is understood that the embodiment of the present invention can
To practice without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.Similarly, it should be understood that disclose in order to simplify the present invention and helps to understand respectively
One or more of a inventive aspect, in the above description of the exemplary embodiment of the present invention, each spy of the invention
Sign is grouped together into a single embodiment, figure, or description thereof sometimes.However, should not be by the method solution of the disclosure
Release is in reflect an intention that i.e. the claimed invention requires more than feature expressly recited in each claim
More features.More precisely, as the following claims reflect, inventive aspect is less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment,
It is wherein each that the claims themselves are regarded as separate embodiments of the invention.It should be noted that in the absence of conflict, this
The feature in embodiment and embodiment in application can be combined with each other.The invention is not limited to any single aspect,
It is not limited to any single embodiment, is also not limited to any combination and/or displacement of these aspects and/or embodiment.And
And can be used alone each aspect and/or embodiment of the invention or with other one or more aspects and/or its implementation
Example is used in combination.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of streaming media service based on Railway Integrated Video monitoring divides retransmission method characterized by comprising
The media stream data that S1, the equipment access service for receiving Railway Integrated Video monitoring are sent；
S2, by data transmission line journey by the media stream data person that is sent to media stream receiver, wherein the data transmission line
The quantity of journey is equal with the quantity of the media stream receiver person, and a data, which will send thread, to be sent to one by media stream data all the way
A media stream receiver person.
2. the method according to claim 1, wherein the S1, comprising:
The media stream data that the equipment access service is sent is received by data receiver thread, the media stream data is stored in
In the corresponding circular buffer of the data receiver thread.
3. according to the method described in claim 2, it is characterized in that, the S2, comprising:
Media stream data is taken out from the corresponding circular buffer of the data receiver thread by data processing threads, by the matchmaker
Body flow data is stored in the corresponding circular buffer of the data transmission line journey；
The media stream data stored in the corresponding circular buffer of the data transmission line journey is sent out by the data transmission line journey
Give the media stream receiver person.
4. according to the method described in claim 3, it is characterized in that, it is described by the data transmission line journey by the Media Stream
Data are sent to the media stream receiver person, comprising:
Know that the quantity for the video frame that there is storage in the corresponding circular buffer of the data transmission line journey is greater than in judgement to preset
Numerical value circular buffer when, the quantity of the video frame of the storage is greater than in the circular buffer of the preset numerical value and is stored
Non-key frame in video frame abandons a part, and passes through the corresponding data transmission line journey of the circular buffer for remaining video frame
It is sent to corresponding media stream receiver person.
5. a kind of streaming media service based on Railway Integrated Video monitoring divides retransmission unit characterized by comprising
Data reception module, the media stream data that the equipment access service for receiving Railway Integrated Video monitoring is sent；
Data transmission blocks, for by data transmission line journey by the media stream data person that is sent to media stream receiver, wherein
The quantity of the data transmission line journey is equal with the quantity of the media stream receiver person, and data send thread will media all the way
Flow data is sent to a media stream receiver person.
6. device according to claim 5, which is characterized in that the data reception module is specifically used for:
The media stream data that the equipment access service is sent is received by data receiver thread, the media stream data is stored in
In the corresponding circular buffer of the data receiver thread.
7. device according to claim 6, which is characterized in that further include:
Data processing threads；Wherein,
The data processing threads will for taking out media stream data from the corresponding circular buffer of the data receiver thread
The media stream data is stored in the corresponding circular buffer of the data transmission line journey；
The data transmission blocks, are specifically used for:
The media stream data stored in the corresponding circular buffer of the data transmission line journey is sent out by the data transmission line journey
Give the media stream receiver person.
8. device according to claim 7, which is characterized in that the data transmission blocks are specifically used for:
Know that the quantity for the video frame that there is storage in the corresponding circular buffer of the data transmission line journey is greater than in judgement to preset
Numerical value circular buffer when, the quantity of the video frame of the storage is greater than in the circular buffer of the preset numerical value and is stored
Non-key frame in video frame abandons a part, and passes through the corresponding data transmission line journey of the circular buffer for remaining video frame
It is sent to corresponding media stream receiver person.
9. a kind of electronic equipment characterized by comprising processor, memory, bus and storage on a memory and can located
The computer program run on reason device；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes such as method of any of claims 1-4 when executing the computer program.
10. a kind of non-transient computer readable storage medium, which is characterized in that be stored with computer journey on the storage medium
Sequence realizes such as method of any of claims 1-4 when the computer program is executed by processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810587381.6A CN109005381A (en) | 2018-06-06 | 2018-06-06 | Streaming media service based on Railway Integrated Video monitoring divides retransmission method and device |
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| KR20040000697A (en) * | 2002-06-25 | 2004-01-07 | 주식회사 케이티 | Muti-thread management system for web service and method therefor |
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