CN108259933A - A kind of plug-flow platform that can support 3 kinds of business functions - Google Patents
A kind of plug-flow platform that can support 3 kinds of business functions Download PDFInfo
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- CN108259933A CN108259933A CN201711228808.5A CN201711228808A CN108259933A CN 108259933 A CN108259933 A CN 108259933A CN 201711228808 A CN201711228808 A CN 201711228808A CN 108259933 A CN108259933 A CN 108259933A
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Classifications
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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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
-
- 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
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
Abstract
The invention belongs to video interactive platform technology fields, disclose a kind of plug-flow platform that can support 3 kinds of business functions, and the plug-flow platform that can support 3 kinds of business functions includes：Media service platform for the different type according to subscriber terminal equipment, is sent to corresponding video flowing；Encoder is connect with media service platform, for providing live streaming TS streams；Edge modulator is connect with media service platform and user terminal, for receiving the UDP live TV streams of media service platform, and is converted to the live TV stream signal that user terminal can identify；User terminal for proposing playing request to media service platform, and receives HLS and the TS stream of media server.The present invention saves hardware resource, unified to safeguard, reduces O＆M complexity；Save operation cost.
Description
Technical field
The invention belongs to video interactive platform technology field more particularly to a kind of plug-flows that can support 3 kinds of business functions
Platform.
Background technology
With the development of video traffic, the new media interaction platform of present more and more radio and TV operators all includes two kinds of machines
Top box, one kind are DVB set-top boxes, and one kind is OTT set-top box.Due to video reception mode, the receiving circuit of both set-top boxes
Difference, for the equipment for supporting both different simultaneously, traditional solution be respectively built for both set-top boxes it is a set of only
Vertical stream pushing server.This will necessarily increase the system Construction of operator, operation and O＆M cost.At the same time, mobile phone is online
Play video demand rapid growth, radio and TV operator be also required to support and DVB set-top boxes, OTT set-top box plug-flow scheme all
Different video push business.This traditional broadcasting and TV media platform is proposed should diversification operation again reduce system into
This, should the terminal device differentiated service new challenge such as unified O＆M again.Traditional scheme is to build 3 sets of video outputs to put down
Platform.Traditional scheme is primarily present problems with：It is 1. of high cost：3 kinds of business need to purchase 3 sets of different output equipments, including：It deposits
Storage, stream pushing server, network equipment etc..2. it safeguards complicated：Respectively independent operating, maintenance personnel need to be familiar with cover 3 sets of business more
System monitors more complete equipments, grasps the maintaining method of more set systems.3. the wasting of resources：3 sets of business need to build respectively independent
Internet resources, video resource can not carry out dynamic load balancing, consume more parts of electric power energies.
In conclusion problem of the existing technology is：There are of high cost, dimensions for traditional 3 sets of video output stages of building
The problem of shield is complicated, the wasting of resources.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of plug-flow platforms that can support 3 kinds of business functions.
The invention is realized in this way a kind of plug-flow platform that can support 3 kinds of business functions, described to support 3 kinds
The plug-flow platform of business function includes：
Media service platform for the different type according to subscriber terminal equipment, is sent to corresponding video flowing；
Encoder is connect with media service platform, for providing live streaming TS streams；
Edge modulator is connect with media service platform and user terminal, for receiving the UDP of media service platform live streamings
Stream, and be converted to the live TV stream signal that user terminal can identify；
User terminal for proposing playing request to media service platform, and receives HLS and the TS stream of media server.
Further, the media service platform includes：
Conversation server supports the session information in DVB business to keep for user；It is responsible for maintaining looking into for STB terminal
It askes, play, suspending, the interaction of heartbeat signaling, and according to the type of signaling, being carried out respectively with dispatch server, media server
Interaction；
Dispatch server, for providing traffic scheduling function for media platform；
Memory module for the content library as media service platform, preserves the video resource in platform, including all
On-demand content and the time-shifted contents recorded；
Media server, for being directly facing user's plug-flow.
Further, the user terminal includes：DVB set-top boxes, mobile phone PAD, OTT set-top box.
Further, video flowing is pushed to IPQAM equipment, then by IPQAM by the DVB set-top boxes, media server first
To DVB set-top box plug-flows；
The mobile phone PAD, media server will need the TS videos pushed to carry out virtual sliced sheet, then send HLS first
Format video content is to mobile terminal；
The OTT set-top box uses HTTP/TS form pushing video streams.
Advantages of the present invention and good effect are：Uniform hardware：3 kinds of different business are supported using same set of hardware resource,
To reach saving hardware resource, the purpose that equipment shares；It is unified to safeguard：Using same set of 3 kinds of different business of platform, i.e., 3
Kind operation flow unified monitoring, unified maintenance can reduce O＆M complexity with operating status on same set of platform；Unified money
Source：3 kinds of different business are supported using same set of resource, i.e., with a video resource, with portion Internet resources, are provided with portion electric power
Source, to achieve the purpose that save operation cost.
Description of the drawings
Fig. 1 is the plug-flow platform structure schematic diagram provided in an embodiment of the present invention that can support 3 kinds of business functions；
In figure：1st, media service platform；2nd, encoder；3rd, edge modulator；4th, user terminal.
Fig. 2 is DVB service interactions flow diagram provided in an embodiment of the present invention.
Fig. 3 is DVB business processings schematic diagram provided in an embodiment of the present invention.
Fig. 4 is the mutual flow diagram of HLS business provided in an embodiment of the present invention.
Fig. 5 is HLS business modules schematic diagram provided in an embodiment of the present invention.
Fig. 6 is HTTP/TS business processings schematic diagram provided in an embodiment of the present invention.
Fig. 7 is HTTP/TS business modules schematic diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the plug-flow platform provided in an embodiment of the present invention that can support 3 kinds of business functions includes：Media take
Business platform 1, encoder 2, edge modulator 3, user terminal 4.
Media service platform 1 for the different type according to 4 equipment of user terminal, is sent to corresponding video flowing.
Encoder 2 is connect with media service platform 1, for providing live streaming TS streams.
Edge modulator 3 is connect with media service platform 1 and user terminal 4, for receiving the UDP of media service platform 1
Live TV stream, and be converted to the live TV stream signal that user terminal 4 can identify.
User terminal 4 for proposing playing request to media service platform 1, and receives the HLS and TS of media server
Stream.
Media service platform 1 includes：
1. conversation server
User supports the session information in DVB business to keep；DVB bi-directional set-top boxes user is put down using RTSP signalings to media
When platform is asked, which is responsible for maintaining the interaction of the signalings such as inquiry, broadcasting, pause, the heartbeat of STB terminal, and according to letter
The type of order interacts respectively with dispatch server, media server.
2. dispatch server provides traffic scheduling function for entire media platform.Including：
1) request of user is assigned to and minimum node is loaded in available server by load-balancing function.
2) traffic scheduling function, platform can be configured different media server and support that different business is (program request, straight in itself
Broadcast, time shift, review), which provides corresponding service-user to service using given server.
3. storage as the content library of media service platform, preserves the video resource in platform, including in all program requests
The time-shifted contents for holding and recording.
4. media server is responsible for being directly facing user's plug-flow.
User terminal 4 includes：DVB set-top boxes, mobile phone PAD (HLS business), OTT set-top box (HTTP/TS business).DVB machines
Video flowing is pushed to IPQAM equipment by top box, media server first, then from IPQAM to DVB set-top box plug-flows.Mobile phone PAD,
Media server will need the TS videos pushed to carry out virtual sliced sheet first, and it is whole to movement then to send HLS format videos content
End.OTT set-top box uses HTTP/TS form pushing video streams.
The application principle of the present invention is further described below in conjunction with the accompanying drawings.
(1) DVB business is that bi-directional set-top box plays out content Signalling exchange, while use coaxial cable by IP network
Receive the trafficwise that video data plays out；It handles in the operation flow, the interaction with IPQAM equipment need to be related to.IPQAM
The function of equipment is to receive the UDP unicast streams of media server push, and IP streams are converted, and is pushed and is broadcast live by coaxial cable
Flow to bi-directional set-top box.
The RTSP Signalling exchanges wherein related generally to include：
1) DESCRIBE content searches
2) SETUP establishes connection
3) PLAY video playings
4) GETPARAMETER heartbeats maintain
5) TEARDOWN, which is played, closes
In new media solution, service interaction flow is as shown in Figure 2；DVB business processings are as shown in Figure 3.
Process flow can fully meet the video playing demand of DVB user, and new platform interacts completion with IPQAM equipment
The conversion of digital signal and analog signal makes IP video platforms content that can also support bi-directional set-top box business.
Fig. 2 describes detailed process (using RTSP interaction protocol) of the present invention to DVB business, specifically includes：
1st, DESCRIBE signalings
Client (terminal) initiates RTSP agreement DESCRIBE signalings to dock door conversation server and obtains matchmaker to platform
Body information.
Client-initiated DESCRIBE signalings are passed to dispatch server by conversation server, and one is screened by dispatch server
Available media server A, then returns result to conversation server in platform platform.
Client-initiated DESCRIBE signalings are passed to the media server A specified by conversation server.
Content informations of the media server A in subscriber signaling, is located in local video content.It then will be in video
The essential information (whether there is, video start time point etc.) of appearance returns to conversation server.
DESCRIBE signaling returned contents are passed to client by conversation server.
2nd, SETUP signalings
After client (terminal) receives the DESCRIBE signalings of success response, initiation SETUP signals platform and enters
Mouth (conversation server)
Conversation server initiates to obtain the request of IPQAM free time to CORE platforms (media platform).
CORE platforms distribute a frequency point information, and the frequency point information is returned to session from idle IPQAM resource
Server.
The SETUP signalings that client is initiated are sent to media services by conversation server together with IPQAM frequency point resource informations
Device A.
Content informations and IPQAM frequency point resource information of the media server A in SETUP signalings, determine SETUP signalings
Returned content.And the content is passed into conversation server.
SETUP signaling returned contents are passed to client by conversation server.
3rd, PLAY signalings
After client (terminal) receives the SETUP signalings of success response, initiate PLAY and signal dock door (meeting
Talk about server), ask video playing.
After conversation server receives PLAY, signaling is sent to media server A.
After media server receives the PLAY playing requests of user, video resource is obtained, and according to before from local
Video content is sent to corresponding IPQAM frequency points by the IPQAM frequency point informations arranged in SETUP steps.
After media server is successfully transmitted data, returns to PLAY and successfully order, notify conversation server.
PALY signaling returned contents are passed to client by conversation server.
GET_PARAMETER signalings
Client (terminal) sends GET_PARAMETER and signals dock door (session in video display process
Server), for maintaining heartbeat.
After conversation server receives GET_PARAMETER signalings, which is transmitted to media server A.
Media server A receives GET_PARAMETER signalings, maintains video output and signaling successful information is returned to meeting
Talk about server.
GET_PARAMETER signaling returned contents are passed to client by conversation server.
4th, TEARDOWN signalings
Client (terminal) terminates the signaling played, notifies dock door in video playing midway, initiation TEARDOWN
(conversation server).
After conversation server receives TEARDOWN signalings, it is supplied to what the terminal used before notice CORE platform recycling
IPQAM resource.
Then, which is transmitted to media server A by conversation server.
After media server A receives signaling, stop to IPQAM frequency point transmission data contents, and return to processing successful information
To conversation server.
TEARDOWN signaling returned contents are passed to client by conversation server.
(2) HLS business, HLS are the dynamic code rate adaptive technique of Apple.The sound for being mainly used for PC and Apple terminals regards
Be taken in small doses at short intervals business.The video protocols content includes the index file and TS media slicing files of a m3u8.In the present invention, new media
Platform can carry out virtual sliced sheet by original TS files in edge stream pushing server in the future, then be pushed to user.
In new media solution, business processing flow is as shown in Figure 4；Module is as shown in Figure 5.
Fig. 4 describes the detailed process of present invention processing HTTP/HLS business, specifically includes：
1st, terminal initiates video playing request to dock door (dispatch server).
2nd, dispatch server screens a media server A from media server platform, and user's (terminal) is supplied to take
Business.
3rd, 302 jump informations that terminal is returned by dispatch server initiate playing request to media server A.
4th, media server A receives user's playing request, according to the video information accessed in URL, finds in corresponding video
Hold.According to relevant informations such as the size of data of video content and durations, HLS virtual sliced sheets are carried out.
5th, the video M3U8 master files formed after slice are returned to terminal by media server.
6th, terminal player parsing M3U8 fileinfos, obtain TS fragments download address therein.
7th, terminal player obtains the TS fragment data information that composition completes video to media server A successively.
8th, video slicing information is returned to player by server A.
9th, terminal player solution digital content starts to play video.
HLS business, as business model emerging in recent years, streaming media support equipment proposes higher requirement.It passes
The processing mode of system media platform is sliced in advance before HTTP/TS video resources often are injected into storage valut,
It is in storage to deposit piece of content more.Even same portion's film, user asks to need to obtain respectively during HTTP/TS and HLS business to deposit
Two parts of different data in storage.The significant wastage of memory space is caused in this way.New media service platform is for the business processing
Flow is while user obtains HLS video requests and reaches server, and content slice is carried out to the former TS videos of storage.Slice
Work summary responses, and the content after slice is not preserved in hard disk.This processing mode is compared while user demand is met
Traditional mode greatly reduces storage and the consumption of disk, and has reached the same media server of identical platform, and processing is a variety of
The effect of business.
(3) HTTP/TS business, HTTP/TS business are mainly directed towards the terminal user of carrying on ip networks, generally include
OTT set-top box, PC players, third party's service etc.；New media server platform supports user directly with HTTP request side completely
Formula obtains the business of TS video datas.
Business processing flow is as shown in Figure 6；Module is as shown in Figure 7.
HTTP/TS is the most basic video playing agreement in internet, and new media platform can be in compatible with DVB business and HLS
While, which is supported.
Fig. 6 is the detailed process (using HTTP/TS agreements) for describing IPTV service of the present invention, is specifically included：
1st, terminal initiates video playing request to dock door (dispatch server).
2nd, dispatch server screens a media server A from media server platform, and user's (terminal) is supplied to take
Business.
3rd, 302 jump informations that terminal is returned by dispatch server initiate playing request to media server A.
4th, media server A receives user's playing request, according to the video information accessed in URL, finds in corresponding video
Hold.
5th, corresponding video is persistently sent to user terminal by media server A using the mode of long connection.
6th, it after terminal player receives video data, is decoded and plays.
7th, terminal completes video playing, initiates TCP from network protocol layer and waves, and disconnects the long connection in media server A.
8th, media server A receives disconnection information, closes related communication resource.
The present invention has the advantage that：
(1) compatibility is high
The present invention can support the access of IPQAM, HTTP/TS, HLS multiple business using same set of media platform simultaneously, very
Just achieving the effect that all users of device service.
(2) it is cost-effective
Three kinds of service requests are supported, traditional mode can be using 2~3 complete equipments to complete to support, while can also consume 2 parts very
It stores to store HLS and TS video datas to above data；New media service platform only uses a set of equipment and is enough to complete
Support, using the mode of real-time transcoding when the business of broadcasting arrives, is carried out, different business can be simultaneously using a storage number
According to greatling save memory space, reduce the cost consumption of half.
(3) stablize safety
New media service platform uses same set of Environmental support multiple business, reduces the coupling between each business function,
The probability of Single Point of Faliure is reduced, improves system stability, ensures operational safety.
(4) it maintains easily
The use of new media service platform, compared to traditional media platform, few deployment at least set of system greatly reduces matchmaker
The complexity of body support system deployment.It only needs to safeguard and also significantly reduces O＆M when platform is runed for a long time with a storage data
Pressure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of plug-flow platform that can support 3 kinds of business functions, which is characterized in that described to support 3 kinds of business functions
Plug-flow platform includes：
Media service platform for the different type according to subscriber terminal equipment, is sent to corresponding video flowing；
Encoder is connect with media service platform, for providing live streaming TS streams；
Edge modulator is connect with media service platform and user terminal, for receiving the UDP live TV streams of media service platform,
And be converted to the live TV stream signal that user terminal can identify；
User terminal for proposing playing request to media service platform, and receives HLS and the TS stream of media server.
2. the plug-flow platform of 3 kinds of business functions can be supported as described in claim 1, which is characterized in that the media services
Platform includes：
Conversation server supports the session information in DVB business to keep for user；The inquiry of responsible maintenance STB terminal,
It plays, suspend, the interaction of heartbeat signaling, and according to the type of signaling, being handed over respectively with dispatch server, media server
Mutually；
Dispatch server, for providing traffic scheduling function for media platform；
Memory module for the content library as media service platform, preserves the video resource in platform, including all program requests
Content and the time-shifted contents recorded；
Media server, for being directly facing user's plug-flow.
3. the plug-flow platform of 3 kinds of business functions can be supported as described in claim 1, which is characterized in that the user terminal
Including：DVB set-top boxes, mobile phone PAD, OTT set-top box.
4. the plug-flow platform of 3 kinds of business functions can be supported as claimed in claim 3, which is characterized in that the DVB machines top
Video flowing is pushed to IPQAM equipment by box, media server first, then from IPQAM to DVB set-top box plug-flows；
The mobile phone PAD, media server will need the TS videos pushed to carry out virtual sliced sheet, then send HLS forms first
Video content is to mobile terminal；
The OTT set-top box uses HTTP/TS form pushing video streams.
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| CN201711228808.5A CN108259933A (en) | 2017-11-29 | 2017-11-29 | A kind of plug-flow platform that can support 3 kinds of business functions |
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| CN110062250A (en) * | 2019-03-14 | 2019-07-26 | 视联动力信息技术股份有限公司 | A kind of method and view networked server of push live streaming list |
| CN111479121A (en) * | 2020-04-08 | 2020-07-31 | 北京智能工场科技有限公司 | Live broadcasting method and system based on streaming media server |
| CN111586589A (en) * | 2020-04-30 | 2020-08-25 | 上海交通大学 | Multi-receiving-end audio streaming media wireless transmission and synchronous playing method and system |
| CN113473186A (en) * | 2021-05-21 | 2021-10-01 | 华数传媒网络有限公司 | Cross-terminal set top box APP operation system and method |
| CN114866795A (en) * | 2022-04-28 | 2022-08-05 | 百果园技术(新加坡)有限公司 | Live broadcast room data processing method and device and live broadcast platform |
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