CN105007499B - A kind of code stream transmission method, device and server - Google Patents
A kind of code stream transmission method, device and server Download PDFInfo
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- CN105007499B CN105007499B CN201410169797.8A CN201410169797A CN105007499B CN 105007499 B CN105007499 B CN 105007499B CN 201410169797 A CN201410169797 A CN 201410169797A CN 105007499 B CN105007499 B CN 105007499B
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- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
Abstract
The present invention provides a kind of code stream transmission method, device, server and systems, wherein, the code stream transmission method includes: to receive encoder transmitted stream and store, and above-mentioned encoder transmitted stream is sent to above-mentioned CDN node by the downloading request that confirmation CDN node is sent.Through the invention, a kind of bit stream server is added between encoder and CDN node, so that encoder does not need to be connected directly with CDN node, i.e. encoder does not need to fill in CDN node veneer IP address, when CDN node increases or occurs the variation of veneer IP address, encoder will not influence encoder working performance without making change.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of transmission method of code stream, device, server and systems.
Background technique
On/Web TV the top Interactive Internet TV (Internet Protocol Television, abbreviation IPTV)
In box business (Over The Top, abbreviation OTT) system, the transmission method of code stream is usually that code stream is passed through PUSH by encoder
(push, active transmission) mode PUSH to CDN central node, then passes through between CDN central node and CDN fringe node again
PULL (pulls, actively obtain) mode and is relayed, and conventional code stream transmission mode will cause at least following two problem:
1, in practical applications, the veneer IP address of CDN central node often has variation, as increasing newly
CDN central node and cause to increase new veneer IP address, at this moment just need that encoder is modified and is adjusted.
2, code stream is directly pushed to this transmission mode of CDN central node by PUSH mode by encoder, so that in CDN
Heart node number is restricted, if the increase of CDN central node number is more, the performance of encoder push code stream will receive larger
It influences.
It is changed and impacted problem for encoder in the related technology with CDN node, not yet proposes effective solution at present
Certainly scheme.
Summary of the invention
It is changed and impacted problem for encoder in the related technology with CDN node, the present invention provides a kind of code streams
Transmission method, device, server and system, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of transmission method of code stream, comprising: receive the code that encoder is sent
It flows and stores, the encoder transmitted stream is sent to the CDN node by the downloading request that confirmation CDN node is sent.
Preferably, the reception encoder transmitted stream, comprising: receive encoder successively send master index file,
Sub- slicing files, channel index file；The downloading request that the confirmation CDN node is sent, comprising: successively confirm the CDN section
The request of downloading master index file, the request of download channel index file and the request of lower carrier slicing files that point is sent.
Preferably, the transmission method of above-mentioned code stream further include: receive the sub- fragment text of deletion that the encoder is regularly sent
Part order will be more than the sub- slicing files deletion of preset cache phase.
Preferably, the reception encoder transmitted stream, further includes: the channel number that the encoder is established is carried out
It counts；When the channel number is more than predetermined upper threshold value, warning information is issued to network management.
Preferably, the downloading request that the confirmation CDN node is sent, further includes: the CDN node number is counted
Number；When the CDN node number is more than predetermined upper threshold value, warning information is issued to network management.
Preferably, the reception encoder transmitted stream, further includes: the channel number that the encoder is established is carried out
It counts；When the channel number is more than predetermined upper threshold value, warning information is issued to network management.The confirmation CDN node is sent
Downloading request, further includes: the CDN node number is counted；It is more than predetermined upper threshold value in the CDN node number
When, warning information is issued to network management.
According to another aspect of the present invention, a kind of bit stream device is additionally provided, comprising: receiving module, for connecing
Receive encoder transmitted stream；Memory module, for storing encoder transmitted stream；Confirmation module, for confirming CDN node
The downloading of transmission is requested；Sending module, for the encoder transmitted stream to be sent to the CDN node.
Preferably, the receiving module specifically includes for receiving encoder transmitted stream: receiving encoder and successively send out
Master index file, sub- slicing files, the channel index file sent；The confirmation module is used to confirm what the CDN node was sent
Downloading request, specifically includes: successively confirming that the downloading master index file that the CDN node is sent is requested, download channel indexes text
Part request and the request of lower carrier slicing files.
Preferably, above-mentioned bit stream device further include: log management module is regularly sent for receiving the encoder
The sub- slicing files order of deletion, and will be more than that the sub- slicing files of preset cache phase are deleted.
Preferably, above-mentioned bit stream device further include: first detection module, the channel for being established to the encoder
Number is counted；Alarm module, for issuing warning information to network management when the channel number is more than predetermined upper threshold value.
Preferably, above-mentioned bit stream device further include: the second detection module, for being carried out to the CDN node number
It counts；Alarm module, for issuing warning information to network management when the CDN node number is more than predetermined upper threshold value.
Preferably, above-mentioned bit stream device further include: first detection module, the channel for being established to the encoder
Number is counted；Second detection module, for being counted to the CDN node number；Alarm module, in the frequency
Warning information is issued to network management when road number is more than predetermined upper threshold value, is also used in the CDN node number be more than on default
Warning information is issued to network management when limiting threshold value.
According to a further aspect of the invention, a kind of server is additionally provided, which may include processor, receives
Module, memory module, confirmation module and sending module.
Still another aspect according to the present invention provides a kind of bit stream system, including encoder, CDN node, also
Including at least one server；The encoder, for being worked out source code flow and being sent to the server；It is described
CDN node for sending downloading request to the server, and obtains the server transmitted stream；The server is used
In receiving encoder transmitted stream, the encoder transmitted stream is sent to by the downloading request that confirmation CDN node is sent
The CDN node.
Preferably, the server number is two, is connected with heartbeat between two servers, each other standby machine, is used
To prevent Single Point of Faliure.
Through the invention, encoder transmitted stream, the downloading request that confirmation CDN node is sent, by the coding are received
Device transmitted stream is sent to the CDN node, so that CDN node veneer IP address has change or increases other CDN later
When node, encoder does not need to do any change.And when CDN node number increases it is more when, the working performance of encoder according to
It so keeps stablizing, not influenced by the variation of CDN node number.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of code stream transmission method according to an embodiment of the present invention；
Fig. 2 is the preferred flow chart of code stream transmission method according to an embodiment of the present invention；
Fig. 3 is the structural block diagram of bit stream device according to an embodiment of the present invention；
Fig. 4 is the preferred structural block diagram one of bit stream device according to an embodiment of the present invention；
Fig. 5 is the preferred structural block diagram two of bit stream device according to an embodiment of the present invention；
Fig. 6 is the structural block diagram of bit stream server according to an embodiment of the present invention；
Fig. 7 is the preferred structural block diagram of bit stream system group network mode according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
The embodiment of the invention provides a kind of method of bit stream, Fig. 1 is bit stream according to an embodiment of the present invention
The flow chart of method, as shown in Figure 1, this approach includes the following steps (S101 to S103):
S101 receives encoder transmitted stream and stores；
S102, the downloading request that confirmation CDN node is sent；
Above-mentioned encoder transmitted stream is sent to above-mentioned CDN node by S103.
In the present embodiment, encoder receives source code flow and is sent to server after being worked out, and server receives
The code stream is being locally stored after encoder transmitted stream, when CDN node sends downloading request to server, above-mentioned server
Confirm that the downloading requests and stored code stream is sent to CDN node.
Through the embodiment of the present invention, encoder transmitted stream, the downloading request that confirmation CDN node is sent, by institute are received
It states encoder transmitted stream and is sent to the CDN node, so that CDN Node Board IP address has change or increase later
When other CDN nodes, encoder does not need to do any change.And when the increase of CDN node number is more, the work of encoder
Performance still keeps stable, is not influenced by the variation of CDN node number.
In an embodiment of the embodiment of the present invention, Fig. 2 is that code stream transmission method according to an embodiment of the present invention is excellent
The flow chart of choosing, as shown in Fig. 2, above-mentioned code stream transmission method can specifically include following steps (S201 to S211):
S201, encoder work out source code flow, are encoded and be segmented；
S202, encoder upload onto the server master index file；
S203, encoder upload onto the server sub- slicing files；
S204, encoder upload onto the server channel index file；
S205, CDN node send downloading master index file request to server；
The master index file that encoder is sent is sent to CDN node by S206, server；
S207, CDN node send the request of download channel index file to server；
The channel index file that encoder is sent is sent to CDN node by S208, server；
S209, CDN node send lower carrier slicing files request to server；
S210, the sub- slicing files that server sends encoder are sent to CDN node.
In an embodiment of the embodiment of the present invention, the sub- fragment text of deletion that encoder is regularly sent can also be received
In advance caching phase, and the above-mentioned sub- slicing files deletion that will be more than the caching phase is arranged in the sub- slicing files of storage by part order.This
Sample can periodically clear up caching, guarantee enough code stream memory spaces.In addition, server oneself can also set storage strategy,
The code stream of storage is deleted according to strategy.
In an embodiment of the embodiment of the present invention, encoder transmitted stream is received, encoder can also be built
Vertical channel number is counted and is arranged upper limit threshold, when the channel number that encoder is established is more than the upper limit threshold of setting
Warning information is issued, while the warning information of above-mentioned sending is reported to network management.It, also can be by the letter of alarm elimination after alarm is eliminated
Breath is reported to network management.Specifically, the channel number established to encoder is counted and is arranged upper limit threshold, when encoder is established
Channel number be more than setting upper limit threshold when issue warning information the following steps are included:
S501 is arranged a channel counter, and count upper-limit is arranged in channel counter；
S502, receive encoder transmission establish detection channel number after channel request whether be more than channel counter meter
The number upper limit；
Channel counter is added 1 if being not above the count upper-limit of channel counter by S503；
S504 refuses the request of encoder and alarm if being more than the count upper-limit of channel counter；
S505 presets a time, such as 10 seconds, 20 seconds, 30 seconds, 40 seconds etc., and channel counts within the time
Device does not respond to, then channel counter is subtracted 1.
In an embodiment of the embodiment of the present invention, the downloading request that confirmation CDN node is sent can also be to transmission
The CDN node number of downloading request is counted and is arranged upper limit threshold, when the CDN node number for sending downloading request is more than upper
Warning information is issued when limiting threshold value, while the warning information of above-mentioned sending is reported to network management.After alarm is eliminated, it can will also alert
The information reporting of elimination is to network management.Specifically, being counted to the CDN node number for sending downloading request and upper limit threshold being arranged
Value, when send downloading request CDN node number be more than upper limit threshold when issue warning information the following steps are included:
S601 is arranged a subscriber's meter, and count upper-limit is arranged in subscriber's meter；
S602, receive CDN node transmission downloading request after detection CDN node number whether be more than subscriber's meter meter
The number upper limit；
Subscriber's meter is added 1 if being not above the count upper-limit of subscriber's meter by S603；
S604, if being more than the count upper-limit of subscriber's meter, the downloading for refusing CDN node is requested and is alerted；
S605 presets a time, such as 10 seconds, 20 seconds, 30 seconds, 40 seconds etc., the user number counting within the time
Device does not respond to, then subscriber's meter is subtracted 1.
In an embodiment of the embodiment of the present invention, encoder transmitted stream is received, encoder can also be built
Vertical channel number is counted and is arranged upper limit threshold, is sent out when the channel number that encoder is established is more than the upper limit threshold of setting
Warning information out, meanwhile, confirmation CDN node send downloading request, can also to send downloading request CDN node number into
Row counts and is arranged upper limit threshold, issues warning information when the CDN node number for sending downloading request is more than upper limit threshold；Together
When, the warning information of above-mentioned sending is reported to network management.After alarm is eliminated, the information reporting that can also eliminate alarm is to network management.
The embodiment of the invention also provides a kind of bit stream device, Fig. 3 is bit stream according to an embodiment of the present invention
The structural block diagram of device, as shown in figure 3, the device includes: receiving module 301, memory module 302, confirmation module 303 and sends
Module 304, wherein receiving module 301 is for receiving transmitted stream after encoder is worked out；Memory module 302, for storing
State the received code stream of receiving module；In stored；Confirmation module 303, the downloading for being received and confirmed by CDN node transmission are asked
It asks；Sending module 304, transmitted stream is sent to described after working out the encoder after confirmation module 303 completes confirmation
CDN node.
Through the embodiment of the present invention, receiving module 301 receives transmitted stream after encoder establishment, and in memory module
It is stored in 302, confirmation module 303 receives the downloading that CDN node is sent and requests and complete to confirm, sending module 304 is with will compile
Transmitted stream is sent to above-mentioned CDN node after code device establishment, so that encoder does not need to be connected directly with CDN node, that is, compiles
Code device do not need to fill in CDN Node Board IP address, CDN node increase or occur veneer IP address change when, encoder without
Change need to be made, encoder working performance will not be influenced.
In an embodiment of the embodiment of the present invention, Fig. 4 is that bit stream device according to an embodiment of the present invention is excellent
One of structural block diagram of choosing, as shown in figure 4, above-mentioned apparatus can also include: log management module 305.Above-mentioned bit stream dress
The memory space for setting memory module 302 is limited, and above-mentioned apparatus is likely in memory module 302 in practical work process
The sub- slicing files of great quantities of spare can be accumulated, log management module 305 is responsible for receiving the sub- fragment of deletion that encoder is regularly sent
The sub- slicing files being stored in memory module 302 are arranged the caching phase, are receiving what encoder was regularly sent by file command
It will be more than the above-mentioned sub- slicing files deletion of caching phase, to guarantee that memory module 302 has enough after deleting sub- slicing files order
Memory space.
In an embodiment of the embodiment of the present invention, Fig. 5 is that bit stream device according to an embodiment of the present invention is excellent
The two of the structural block diagram of choosing, as shown in figure 5, above-mentioned apparatus can also include: first detection module 307, the second detection module 308
With alarm module 306.
First detection module 307, the channel number established to encoder counts, and upper limit threshold is arranged, the frequency
Road number issues warning information when being more than upper limit threshold；Second detection module 308, to the CDN node number for sending downloading request
It is counted, and upper limit threshold is set, the CDN node number issues warning information when being more than upper limit threshold；Alarm module
306, it collects the warning information of above-mentioned sending and is reported to network management；When the channel number or CDN node number are more than respective
When upper limit threshold, first detection module 307 or the second detection module 308 issue warning information, and alarm module 306 will alert
Network management is collected and be reported to information, after first detection module 307 or the alarm elimination of the second detection module 308, alarm module 306
Also the information reporting that alarm can be eliminated is to network management.
Specifically, the channel number established to encoder is counted and is arranged upper limit threshold, when the frequency that encoder is established
Road number issues warning information when being more than the upper limit threshold of setting, and counts to the CDN node number for sending downloading request
Count and be arranged upper limit threshold, when send downloading request CDN node number be more than upper limit threshold when issue warning information include with
Lower step:
S701, a channel counter is arranged in first detection module 307, and count upper-limit is arranged in channel counter；The
A subscriber's meter is arranged in two detection modules 308, and count upper-limit is arranged in subscriber's meter.
S702, receive encoder transmission establish channel request after, first detection module detection channel number whether be more than frequency
The count upper-limit of road counter；Whether the second detection module detects CDN node number after receiving the downloading request of CDN node transmission
More than the count upper-limit of subscriber's meter.
Channel counter is added 1 if being not above the count upper-limit of channel counter by S703；If being not above user
Subscriber's meter, then added 1 by the count upper-limit of counter.
S704 refuses the request of encoder and alarm if being more than the count upper-limit of channel counter；If being more than to use
The count upper-limit of family counter, the then downloading for refusing CDN node are requested and are alerted.
S705 presets a time, such as 10 seconds, 20 seconds, 30 seconds, 40 seconds etc., and channel counts within the time
Device does not respond to, then channel counter is subtracted 1；A time, such as 10 seconds, 20 seconds, 30 seconds, 40 seconds etc. are preset, in institute
It states subscriber's meter in the time not responding to, then subscriber's meter is subtracted 1.
It should be noted that first detection module and the second detection module it is not necessary to be included in above-mentioned apparatus simultaneously
It is interior, first detection module and alarm module can be only included, the second detection module and alarm module can also be only included.Certainly on
State can include log management module in embodiment simultaneously.
The embodiment of the invention also provides a kind of server, Fig. 6 is bit stream server according to an embodiment of the present invention
Structural block diagram, as shown in fig. 6, the server may include processor 405；Receiving module 401, for receiving encoder establishment
Transmitted stream afterwards；Memory module 402, for storing the received code stream of above-mentioned receiving module；In stored；Confirmation module
403, for being received and confirmed by the downloading request of CDN node transmission；Sending module 404, after confirmation module 403 completes confirmation
Transmitted stream after encoder establishment is sent to the CDN node.
Server in the embodiment of the present invention can also include alarm module, also may include alarm module and the first detection
Module and/or the second detection module.It can simultaneously include log management module in certain above-described embodiment.
The embodiment of the invention also provides a kind of bit stream system, which includes encoder, CDN section
Point, server, wherein server can be set to one or two and two or more；It is following for two servers are set
It is described in detail.The system includes server 1 and server 2 in as shown in Figure 7, the two standby machine each other, and passes through heartbeat phase
Even.
As shown in fig. 7, encoder is connected with server 1, and code stream is sent to server 1, server 1 and CDN node
It is connected, receives, the downloading that confirmation CDN node is sent requests and code stream is sent to CDN node.When server 1 breaks down not
When can work normally, heartbeat detects failure and is reflected to backup machine i.e. server 2, and server 2 can alternative service immediately
Device 1 receives encoder transmitted stream, receives, confirms that the downloading that CDN node is sent requests and code stream is sent to CDN node,
This ensures that the unobstructed normal operation with service of network.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of code stream transmission method characterized by comprising
It receives encoder transmitted stream and stores；
Confirm the downloading request that CDN central node is sent, and the CDN central node number is counted；
When the CDN central node number is more than predetermined upper threshold value, the downloading request of refusal CDN central node and to network management
Issue warning information；
If not exceeded, requesting according to the downloading, the corresponding code stream is sent to the CDN central node.
2. the method according to claim 1, wherein
The reception encoder transmitted stream, comprising: receive encoder successively send master index file, sub- slicing files,
Channel index file；
The downloading request that the confirmation CDN central node is sent, comprising: successively confirm the downloading that the CDN central node is sent
Master index file request, the request of download channel index file and the request of lower carrier slicing files.
3. according to the method described in claim 2, it is characterized by further comprising: receiving the deletion that the encoder is regularly sent
Sub- slicing files order will be more than the sub- slicing files deletion of preset cache phase.
4. the method according to claim 1, wherein the reception encoder transmitted stream, further includes:
The channel number established to the encoder counts；
When the channel number is more than predetermined upper threshold value, warning information is issued to network management.
5. a kind of bit stream device characterized by comprising
Receiving module, for receiving encoder transmitted stream；
Memory module, for storing the received encoder transmitted stream of the receiving module；
Confirmation module, the downloading request sent for confirming CDN central node；
Second detection module, for being counted to the CDN central node number；
Alarm module, for issuing warning information to network management when the CDN central node number is more than predetermined upper threshold value；Hair
Module is sent, for requesting according to downloading by the storage mould when the CDN central node number is less than predetermined upper threshold value
The code stream of block storage is sent to the CDN central node.
6. bit stream device according to claim 5, which is characterized in that
The receiving module specifically includes for receiving encoder transmitted stream: receiving the general index that encoder is successively sent
File, sub- slicing files, channel index file；
The confirmation module is used to confirm the downloading request that the CDN central node is sent, and specifically includes: successively described in confirmation
The request of downloading master index file, the request of download channel index file and the request of lower carrier slicing files that CDN central node is sent.
7. bit stream device according to claim 6, which is characterized in that further include:
Log management module for receiving the sub- slicing files order of deletion that the encoder is regularly sent, and will be more than default
The sub- slicing files of caching phase are deleted.
8. bit stream device according to claim 5, which is characterized in that further include:
First detection module, the channel number for establishing to the encoder count；
The alarm module is also used to issue warning information to network management when the channel number is more than predetermined upper threshold value.
9. a kind of server characterized by comprising
Processor；
Any bit stream device of claim 5-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169797.8A CN105007499B (en) | 2014-04-24 | 2014-04-24 | A kind of code stream transmission method, device and server |
| PCT/CN2015/070214 WO2015161680A1 (en) | 2014-04-24 | 2015-01-06 | Code stream transmission method, device, server and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169797.8A CN105007499B (en) | 2014-04-24 | 2014-04-24 | A kind of code stream transmission method, device and server |
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| CN105007499A CN105007499A (en) | 2015-10-28 |
| CN105007499B true CN105007499B (en) | 2019-06-21 |
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| CN112449237B (en) * | 2019-08-12 | 2023-05-05 | 中兴通讯股份有限公司 | Method, device and system for detecting video code stream |
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| CN101534204B (en) * | 2008-03-10 | 2011-08-31 | 中国网通集团宽带业务应用国家工程实验室有限公司 | Streaming media information distribution system and method thereof and user end |
| CN101951412B (en) * | 2010-10-15 | 2013-11-13 | 上海交通大学 | Multi-sub-stream media transmission system based on HTTP protocol and transmission method thereof |
| CN102231749B (en) * | 2011-08-12 | 2013-12-11 | 乐视网信息技术（北京）股份有限公司 | System and method for transmitting live stream by utilizing content delivery network (CDN) |
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| CN105007499A (en) | 2015-10-28 |
| WO2015161680A1 (en) | 2015-10-29 |
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