CN104378663A - Narrow bandwidth VOD system and method - Google Patents
Narrow bandwidth VOD system and method Download PDFInfo
- Publication number
- CN104378663A CN104378663A CN201410581431.1A CN201410581431A CN104378663A CN 104378663 A CN104378663 A CN 104378663A CN 201410581431 A CN201410581431 A CN 201410581431A CN 104378663 A CN104378663 A CN 104378663A
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- China
- Prior art keywords
- vod
- iad
- stb terminal
- tsg
- request
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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
- H04N21/21—Server components or server architectures
- H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
- H04N21/2225—Local VOD servers
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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
- H04N21/25—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
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a narrow bandwidth VOD system and method in order to reduce the experience difference caused by different accessed network bandwidths and resolve the problems of long order time and the like in a narrow bandwidth environment. By means of the scheme, the VOD access process of a terminal can be simplified, the interactive instruction length of a terminal VOD is reduced, and in the time shifting process of the VOD and an EPG, a cloud platform transmits playing information to a set top box through cloud terminal software, the set top box starts to apply for playing to a cloud media access platform, the cloud media access platform finishes interaction with a CDN system and sends channel shifting information to the set top box, and the set top box finishes video decoding playing and subsequent playing control.
Description
Technical field
The invention belongs to internet video field, relate to narrow bandwidth VOD VOD system, and utilize this VOD system to realize narrow bandwidth terminal VOD order method.
Background technology
Along with living standard development and raising, increasing learning on demand video traffic has been come in people's life.New business constantly develops, and makes network coverage finite bandwidth in outlying district lower ground have increasing requirement to VOD program request in side.Because the average uplink bandwidth of arrowband is only 40Kbps, and current TV3.0 program request requirements of process is carried out 25 interaction request and (is comprised the authentication page, the Broadcast Control page, advertising pictures and RTSP mutual), each request all will bring the token about COOKIE or 700 byte about 800 bytes, add the time that serial is waited for, cause program request overlong time to complete a program request requirements of process more than 20 seconds, cannot carrying out of demand (telecommunication) service be carried out.Conveniently promoting service, is convenient to service deployment, covers the user in LAN bandwidth far away district lower.How to realize VOD demand (telecommunication) service the method namely for solving such problem by existing narrow bandwidth network and terminal equipment.
Summary of the invention
For above-mentioned technological deficiency, the present invention proposes narrow bandwidth VOD VOD system and method.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
Narrow bandwidth VOD order method, comprises the steps:
When EPG has been issued to STB terminal,
11) broadcasting URL is sent to cloud platform by EPG;
12) the cloud platform instruction STB that issuees a notice switches middleware pattern;
13) URL and STBID of program request is issued VOD IAD by cloud platform simultaneously, and instruction notification TSG time shift list;
14) VOD IAD provides information to start local player instruction to CDN application according to cloud platform, and sets up request;
15) STB terminal is initiated to play;
16) VOD IAD sends local play instruction order to CDN;
17) CDN by TS data stream transmitting to IPQAM;
18) STB terminal frequency locking is play.
Further, STB terminal is completed in the direct Broadcast Control request of CDN by VOD IAD.
Further, described STB terminal, after activating and authenticating completes, is not all with cookie information in all upstream request data.
Further, the mode that subsidiary advertisement all adopts packing to download downloads to STB terminal.
Narrow bandwidth VOD VOD system, comprises STB terminal, VOD IAD, cloud Platform Server, EPG server, TSG server, CDN system and IPQAM system, described STB terminal access VOD IAD; URL and STBID of program request is issued VOD IAD after obtaining the broadcasting URL of EPG server by described cloud Platform Server, and the TSG time shift list of instruction notification TSG server; Described VOD IAD provides information to start local player instruction to the application of CDN system according to cloud Platform Server, and sets up request; VOD IAD sends local play instruction order to CDN system; CDN system by TS data stream transmitting to IPQAM system; STB terminal is play after receiving TS data flow.
Beneficial effect of the present invention is: solve promotion of item and land in process, in earlier stage " zero cost input ", only need dispose signaling network local side+terminal narrow band cat; Internet, applications is realized by thin terminal, breaks traditions and need in terminal, load a large amount of software and hardware configuration.The control command time overhead of package (reduce unpacking in Access Network, stop leakage in the roof) is converted into the association message of playing request, reduces network delay.Make the business of the integration of three networks to obtain Rapid Popularization, also solve along with business tine increase needs not stop the disadvantage of upgrading terminals simultaneously.While having liberated terminal, be the Internet also become be easy to access.
Accompanying drawing explanation
Fig. 1 is TSG time shift flow chart;
Fig. 2 is narrow bandwidth VOD VOD system figure;
Fig. 3 is narrow bandwidth VOD program request flow chart.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
China's number cloud media access scheme is the experience difference in order to improve because Access Network bandwidth difference causes, to solve under narrowband environment the problems such as program request overlong time, the VOD access process of terminal can be simplified by the program, reduce the interactive instruction length of terminal VOD, when program request and EPG time shift, broadcast information is passed to Set Top Box by cloud terminal software by cloud platform, Set Top Box starts to play to the application of cloud media access platform, cloud media access platform completes with the mutual of CDN system and will cut station information and is handed down to Set Top Box, Set Top Box completes video decode and plays and follow-up Broadcast Control.
As shown in Figures 2 and 3, narrow bandwidth VOD VOD system, comprises STB terminal, VOD IAD, cloud Platform Server, EPG server, TSG server, CDN system and IPQAM system, described STB terminal access VOD IAD; URL and STBID of program request is issued VOD IAD after obtaining the broadcasting URL of EPG server by described cloud Platform Server, and the TSG time shift list of instruction notification TSG server; Described VOD IAD provides information to start local player instruction to the application of CDN system according to cloud Platform Server, and sets up request; VOD IAD sends local play instruction order to CDN system; CDN system by TS data stream transmitting to IPQAM system; STB terminal is play after receiving TS data flow.
As shown in Figure 3, narrow bandwidth VOD on-demand process (note: flow process acquiescence EPG(electric program menu) has been issued to STB (network machine top box) terminal in the conventional mode);
1. broadcasting URL is sent to cloud platform by EPG;
2. cloud platform is consistent with conventional procedures, and the STB that instruction issued a notice switches middleware pattern;
3. URL and STBID of program request is issued VOD IAD by cloud platform simultaneously, and STBID role is identification network Set Top Box, and network is convenient to the source seeking signal when signal issues;
4. cloud platform instruction notification TSG time shift simultaneously navigation playlist;
5. VOD IAD provides information to go CDN system application RTSP:describe/setup (application starts local player) to set up request according to cloud platform;
6. STB terminal is initiated to play
7. VOD IAD sends the broadcasting of RTSP:play(order this locality to CDN system)
8. TS data flow is told to IPQAM system by CDN;
9. STB terminal frequency locking is play;
10. STB terminal completes in the direct Broadcast Control request of CDN system by VOD IAD: when suspending/select/fast forwarding and fast rewinding/stopping etc.
In order to reduce network interaction number of times as far as possible; The present invention
1) the preposition high in the clouds of terminal authentication is adopted to complete; Broadcast Control Page Localization; Namely subsidiary advertisement packing is downloaded does not need all to carry out alternately, reducing interaction times at every turn, such as, adopt 5 pictures advertisement packing (zip) downloading modes;
2) reduce each request msg length, mainly reduce the length of cookie and token, reduce RTSP mutual time token in unnecessary information (to deduct fees relevant information because token comprises user's program request, in fact shorten length very limited); Terminal browser switch, described STB terminal, after activating and authenticating completes, is not all with cookie information in all upstream request data.
The acquisition of terminal TSG time shift navigation Service address;
The activating and authenticating of rural power grids terminal completes in STB terminal, and this flow process remains unchanged;
The acquisition of streaming cache proxy TSG address of service;
When terminal triggering streaming cache proxy goes to obtain TSG time shift navigable program list, bring VOD gateway (terminal is by activating retrography) by STB terminal;
The acquisition of VOD access gateway address;
After adopting start and cloud gateway to connect, by cloud gateway to terminal, this step can be realized by new stationary interface.
TSG time shift needs starting up of terminal first to obtain time shifting channel list to cloud media access platform, time shift operation is carried out below according to the channel list returned, as shown in Figure 1, TSG time shift overall flow is as follows: STB terminal authentication is complete, to VOD IAD request time shift list, request time shift list is given to TSG by VOD IAD, and TSG returns ordering information list and is transmitted to STB terminal by VOD IAD.STB terminal initiates time shift initialization, and initialization information is transmitted to TSG by VOD IAD, and TSG produces time shifting channel playlist and issues playlist to STB terminal by VOD IAD.STB terminal initiates time shift program request, and VOD IAD searches corresponding broadcast address information to TSG, and sends time shifting request to CDN, and CDN makes time shifting request, will cut station information etc. and send to STB terminal.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered as in scope.
Claims (6)
1. narrow bandwidth VOD order method, is characterized in that, comprises the steps:
When EPG has been issued to STB terminal,
11) broadcasting URL is sent to cloud platform by EPG;
12) instruction of cloud platform is issued a notice STB terminal switch middleware pattern;
13) URL and STBID of program request is issued VOD IAD by cloud platform simultaneously, and instruction notification TSG time shift list;
14) VOD IAD provides information to start local player instruction to CDN application according to cloud platform, and sets up request;
15) STB terminal is initiated to play;
16) VOD IAD sends local play instruction order to CDN;
17) CDN by TS data stream transmitting to IPQAM;
18) STB terminal frequency locking is play.
2. narrow bandwidth VOD order method according to claim 1, is characterized in that, STB terminal is completed in the direct Broadcast Control request of CDN by VOD IAD.
3. narrow bandwidth VOD order method according to claim 1, is characterized in that, described STB terminal, after activating and authenticating completes, is not all with cookie information in all upstream request data.
4. narrow bandwidth VOD order method according to claim 1, is characterized in that, the mode that subsidiary advertisement all adopts packing to download downloads to STB terminal.
5. narrow bandwidth VOD order method according to claim 1, it is characterized in that, in step 13), TSG time shift listings step comprises: STB terminal authentication is complete, to VOD IAD request time shift list, request time shift list is given to TSG by VOD IAD, TSG returns ordering information list and is transmitted to STB terminal by VOD IAD, STB terminal initiates time shift initialization, initialization information is transmitted to TSG by VOD IAD, TSG produces time shifting channel playlist and issues playlist to STB terminal by VOD IAD, STB terminal initiates time shift program request, VOD IAD searches corresponding broadcast address information to TSG, and send time shifting request to CDN, CDN makes time shifting request, station information etc. will be cut and send to STB terminal.
6. narrow bandwidth VOD VOD system, is characterized in that, comprises STB terminal, VOD IAD, cloud Platform Server, EPG server, TSG server, CDN system and IPQAM system, described STB terminal access VOD IAD; URL and STBID of program request is issued VOD IAD after obtaining the broadcasting URL of EPG server by described cloud Platform Server, and the TSG time shift list of instruction notification TSG server; Described VOD IAD provides information to start local player instruction to the application of CDN system according to cloud Platform Server, and sets up request; VOD IAD sends local play instruction order to CDN system; CDN system by TS data stream transmitting to IPQAM system; STB terminal is play after receiving TS data flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410581431.1A CN104378663B (en) | 2014-10-27 | 2014-10-27 | Narrow bandwidth VOD VOD system and method |
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|---|---|---|---|
| CN201410581431.1A CN104378663B (en) | 2014-10-27 | 2014-10-27 | Narrow bandwidth VOD VOD system and method |
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| Publication Number | Publication Date |
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| CN104378663A true CN104378663A (en) | 2015-02-25 |
| CN104378663B CN104378663B (en) | 2019-01-15 |
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| CN104378663B (en) | 2019-01-15 |
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