CN102098310B - Streaming media content service method and system - Google Patents
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Abstract
The invention discloses a streaming media content service method and system. The streaming media content service system comprises edge streaming media platforms, a central streaming media platform, a central content management platform, an edge content management platform, a content supplier and a user terminal, wherein each edge streaming media platform is used for performing live broadcast, video on demand and download on local streaming media contents, and business delegate on steaming media contents; the central streaming media platform is used for supplying services for each edge steaming media platform, and providing one-point access and distribution for live broadcast contents; the central content management platform is used for managing overall contents, and sending contents to the edge content management platform; the edge content management platform is used for managing local contents, and maintaining the contents sent by the central content management platform; the content supplier comprises a common content supplier which is used for uploading the content supplier information and video on demand/download contents to the central content management platform and a live broadcast content supplier which is used for uploading metadata to the central content management platform; and the user terminal is used for requesting services for the edge steaming media platforms.
Description
Technical field:
The present invention relates to the communications field, relate in particular to a kind of multi-level streaming media content service method and system in the communications field.
Background technology
Currently there is a kind of streaming medium content distributing network, its method is that media content is placed near on the stacking server of client, Media Stream can transmit on a shorter network path, thereby reduces the startup time delay of flow media session, reduces taking of packet loss and whole network.
But the streaming medium content distributing network of current existence has the comparatively single shortcoming of streaming media content service method, it is all to obtain content service from the content of steaming media platform storage itself basically, be unfavorable for conserve memory resource and live CP (content supplier) access-in resource, and to the management of content.
Summary of the invention
The present invention is by the plurality of kinds of contents obtain manner, can make steaming media platform provide service to the user quickly, conserve memory resource and Content Management cost, and realize that by steaming media platform proxy technology the relay between the two-stage platform plays and downloads, thereby the non-focus content play when realizing the non-full dose distribution of content under some access of live resource and two level frameworks.
The invention provides distribution and the service procedure of program request/downloading contents, program request/downloading contents is divided into three levels to be stored and unified management: the full dose content is stored in the NAS of central content management platform, Hot Contents is stored (being issued the Hot Contents of 20% left and right by the central content management platform) in the NAS of edge content management platform, special Hot Contents self storage of marginal flow media platform (its according to the user access temperature with the content of special focus by edge content management platform buffer memory to self storing).When the user accessed, the order that the marginal flow media platform is searched content was: self storage of marginal flow media platform, the NAS storage of edge content management platform, the NAS storage of central content management platform.In a single day content finds, and namely stops searching.
The present invention also provides distribution and the service procedure of live content, the issue flow process of direct broadcast band, and 1 access of live CP, the whole network service: central content management platform issue live broadcast service, and the synchronizing content metadata is to the central streams media platform, and metadata comprises the RTSP URL of live CP.The central content management platform is to edge content management platform synchronizing content metadata.Edge content management platform synchronizing content metadata is to the marginal flow media platform, and metadata comprises the RTSP URL that live CP provides; The synchronous content CID of marginal flow media platform judgement is central live source, generates RTSP URL, and uses the RTSP URL that generates to initiate the RTSP request to the central streams media platform.Marginal flow media platform proxy technology to the marginal flow media platform, provides live TV stream relay to play by marginal flow media platform user oriented direct-broadcasting code stream distribution.
One aspect of the present invention provides a kind of multi-level streaming media content service system, comprising:
Marginal flow media platform, described marginal flow media platform are used for live, program request and the download of local streaming medium content, and the service agent of streaming medium content;
Central streams media platform, described central streams media platform are used for providing service to each marginal flow media platform, and some access and the distribution of live content are provided;
The central content management platform, described central content management platform is used for overall Content Management;
The edge content management platform, described edge content management platform is used for the local content management, wherein the central content management platform also is used for issuing content to the edge content management platform, and the edge content management platform also is used for the maintenance that the central content management platform issues content;
Content supplier, described content supplier comprise content supplier's information and program request/downloading contents are uploaded to the common content provider of central content management platform and the live content provider that uploads metadata to the central content management platform;
User terminal, described user terminal is used for to marginal flow media platform request service.
Wherein said metadata comprises the RTSP URL of live content provider.
Wherein said central content management platform comprises for the network attached storage equipment of sharing memory contents.
Wherein said edge content management platform comprises for the network attached storage equipment of sharing memory contents.
The present invention provides a kind of multi-level streaming media on demand/downloading contents method of servicing on the other hand, comprises the steps:
Step 1, common content provider is uploaded to the central content management platform with content supplier's information and program request/downloading contents;
The NAS that step 3, the content that central content management platform and edge content management platform will be issued are respectively injected separately shares storage, and the contents directory that will be stored in shared storage separately is distributed to steaming media platform at the same level;
Step 4, user terminal visits the marginal flow media platform with the RTSP/HTTP request URL, and request URL content subcontentid, wherein said subcontentid are that unique identification is fit to the content that this terminal is used;
Step 5, the marginal flow media platform judges that according to the content subcontentid that carries in the RTSP/HTTP request URL described content whether in the marginal flow media platform, if described content exists in the marginal flow media platform, forwards step 10 to, otherwise, forward step 6 to;
Step 7, the NAS that finds the edge content management platform when the marginal flow media platform is received the RTSP/HTTP request URL shares when storing not this content, initiatively sends described RTSP/HTTP request message to the central streams media platform;
Step 9, according to judged result, when existing the NAS of central content management platform, described content shares in storage, and the central streams media platform provides service in the code stream mode to the marginal flow media platform, otherwise the central streams media platform returns to error code to the marginal flow media platform;
Step 10, the marginal flow media platform provides service to user terminal.
Wherein said Hot Contents accounts for 20% of content total amount.
Realize the relaying broadcast between the two-stage platform and download by agent skill group between wherein said marginal flow media platform and described central streams media platform.
Wherein said marginal flow media platform directly forwards the URL of user terminal requests to described central streams media platform relaying the time, only IP address and the port numbers with the media platform of marginal flow described in URL replaces with IP and the port numbers that described central streams media platform provides the server of this interface function, and other Information preservations are constant.
Said method also comprises the steps:
The number of times of described marginal flow media platform further described content of counting user terminal access in step 10, for the content that surpasses setting threshold, by the marginal flow media platform, this content buffer memory to marginal flow media platform self from the shared storage of NAS is stored and the update content catalogue, for the content that does not have in the marginal flow media platform, forward step 11 to;
Step 11, marginal flow media platform are carried content subcontentid and are sent the down sending content request to the edge content management platform;
Step 12, the edge content management platform is carried content subcontentid and is issued to central content management platform request content, to the edge content management platform, store this programme content buffer memory to steaming media platform self from the shared storage of NAS and the update content catalogue by the marginal flow media platform with this down sending content for the central content management platform.
Further aspect of the present invention provides a kind of multi-level live streaming media content service method, comprises the steps:
Step 1, live content provider is to central content management platform upload contents metadata, and described content metadata comprises the RTSP URL of live content provider;
Step 4, the central content management platform is to the synchronous described content metadata of edge content management platform;
Step 5, the synchronous described content metadata of edge content management platform be to the marginal flow media platform, and described metadata comprises the RTSP URL that live content provider provides;
Step 7, marginal flow media platform receive the RTP Media Stream of central streams media platform direct broadcast band, and the marginal flow media platform sends to streaming media server in the marginal flow media platform with the RTP Media Stream of central streams media platform direct broadcast band;
Step 9, channel code stream is selected in the sub-content identification actual in the direct broadcast band that comprises in user terminal RTSP request of marginal flow media platform, provides direct broadcast service to user terminal.
Wherein when between described central streams media platform and described marginal flow media platform live because abnormal and in have no progeny, described marginal flow media platform carries out RTSP URL to be redirected, the stretching code stream of broadcasting to the corresponding central streams media platform.
Wherein when described edge content management platform was initiated the deletion content, described marginal flow media platform was closed described live.
Wherein also do not create described direct broadcast band when described marginal flow media platform, and user terminal is when conducting interviews, described marginal flow media platform can repeatedly remove the stretching code stream of broadcasting of central streams media platform engine.
Advantage of the present invention is included in this specification, protects within the scope of the present invention and by following claim.This partial content should be understood as limitations on claims.Below in conjunction with accompanying drawing, the further aspect of the present invention and advantage are discussed.Generality description and the following detailed description that should understand front of the present invention are all exemplary and explanat, are intended to provide of the present invention the further illustrating to claimed.
Description of drawings
Included accompanying drawing for further understanding being provided to embodiments of the present invention and being combined in an interior composition specification part illustrates embodiments of the present invention, and is used from specification word one and explains principle of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of multi-level streaming media content service system;
Fig. 2 is the flow chart of multi-level streaming media on demand/downloading contents method of servicing;
Fig. 3 is the flow chart of multi-level live streaming media content service method.
Embodiment
In order to make purpose of the present invention and advantage more clear understandable, below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.
single for streaming media content service method in prior art, be unfavorable for conserve memory resource and live CP access-in resource, and to the defective of the management of content, the invention provides a kind of multi-level streaming media content service method, can provide service to the user quickly, conserve memory resource and Content Management cost, and realize that by steaming media platform proxy (agency) technology the relay (relaying) between the two-stage platform plays and downloads, thereby the non-focus content play problem when having realized the non-full dose distribution of content under some access of live resource and two level frameworks, and can support simultaneously live, program request and download.
In the present invention, steaming media platform adopts central streams media platform and marginal flow media platform two level frameworks to dispose.The marginal flow media platform directly provides service towards this province user, is responsible for live, program request, the download of streaming medium content, and the service agent of streaming medium content (proxy); The central streams media platform each province's steaming media platform that orients towards the whole country provides service, and some access and the distribution of national live content are provided.Realize that by marginal flow media platform proxy technology the relay between the two-stage platform plays and downloads between central streams media platform and marginal flow media platform.
With reference to figure 1, realize the issue of live CP content in the present invention by Content Management Platform, and audit of common CP upload contents, the storage administration of content, the issue of content etc.Content Management Platform can divide the two-stage framework to dispose Content Management.The central content management platform is responsible for national Content Management, and issues content to the edge content management platform, is conserve memory, and the uncomplete content amount issues, and only issues the Hot Contents of 20% left and right.The edge content management platform is responsible for the locality Content Management, and the central content management platform issues the maintenance of content.
(Network Attached Storage: network attached storage) memory device carries out sharing of content to steaming media platform by the NAS in Content Management Platform at the same level.The edge content management platform can be distributed to the shared storage area with the streaming medium content of its management, and will share memory contents catalogue (containing physical pathway) and be distributed to steaming media platform, for it.This can separate use, management and the storage of content, realizes that effectively content is shared, thus conserve memory resource and Content Management cost.
Response speed during for raising steaming media platform accessed content, steaming media platform also should possess the function that the content caching of special focus is stored to steaming media platform self content.Within the time period of appointment, the temperature of accessing a content as the user has reached the threshold value (this threshold value is configurable) of appointment, and steaming media platform pulls down to local memory device with this content from the NAS memory device of Content Management Platform and preserves; Safeguard voluntarily content on memory device by steaming media platform, steaming media platform is the substantial aging function of tool also.
According to one embodiment of the present invention multi-level streaming media on demand/the downloading contents method of servicing as shown in Figure 2.
This multi-level streaming media on demand/downloading contents method of servicing comprises the following steps:
Step 1, common CP is uploaded to the central content management platform with CP information and program request/downloading contents.
Step 4, user terminal visits marginal flow media platform (the some multicast function uses RTSP, and download function is used HTTP), request URL content subcontentid (unique identification is fit to the content that this terminal is used) with the RTSP/HTTP request URL.
Step 5, the marginal flow media platform judges that according to the content subcontentid that carries in the RTSP/HTTP request URL (unique identification is fit to the content that this terminal is used) this content is whether in marginal flow media platform itself, if the content existence forwards step 10 to, otherwise, forward step 6 to.
Step 7 when the NAS that finds the edge content management platform when the marginal flow media platform is received the RTSP/HTTP request URL shares in storage not this content, initiatively sends the RTSP/HTTP request message to the central streams media platform.The marginal flow media platform realizes that by the proxy technology relay between the two-stage platform plays and downloads.The marginal flow media platform should directly forward the URL of user's request to central streams media platform relaying the time, just IP address and the port numbers with marginal flow media platform in URL replaces with IP and the port numbers that the central streams media platform provides the server of this interface function, and other Information preservations are constant.
Step 9, according to judged result, if content exists, the central content management platform provides service in the code stream mode to the marginal flow media platform, otherwise the central content management platform is returned to error code to the marginal flow media platform.
Step 10, after the marginal flow media platform found content, the marginal flow media platform provided service to user terminal, and the number of times of this content of counting user terminal access (being content temperature threshold values).For the programme content that surpasses the content heat degree threshold, if this content is not present in marginal flow media platform itself, by the marginal flow media platform, this programme content buffer memory to steaming media platform self from the shared storage of NAS is stored and the update content catalogue, and forwarded to step 13; Share the content that does not have in storage for NAS, forward step 11 to.
Step 11, marginal flow media platform are carried content subcontentid (unique identification is fit to the content that this terminal is used) and are sent the down sending content request to the edge content management platform.
Step 12, the edge content management platform is carried content subcontentid (unique identification is fit to the content that this terminal is used) and is issued to central content management platform request content, to the edge content management platform, store this programme content buffer memory to steaming media platform self from the shared storage of NAS and the update content catalogue by the marginal flow media platform with this down sending content for the central content management platform.
Step 13, flow process finishes.
According to the multi-level live streaming media content service method of one embodiment of the present invention as shown in Figure 3.
This multi-level live streaming media content service method comprises the following steps:
Step 1, live CP uploads metadata to the central content management platform, and this metadata comprises RTSP URL, coded format, code check of live CP etc.
Step 4, the central content management platform is to edge content management platform synchronizing content metadata.
Step 5, edge content management platform synchronizing content metadata is to the marginal flow media platform;
An instantiation is:
Rtsp: //ip:port/filename? userid=00000000000﹠amp; Userip=0.0.0.0﹠amp; Spid=00000000﹠amp; Pid=000000000000﹠amp; The Nei Rongbiaoshi ﹠amp of this direct broadcast band reality of cid=; The sub-Nei Rongbiaoshi ﹠amp of this direct broadcast band reality of subcontentid=; Life=3600﹠amp; Timpstamp=20090909020957﹠amp; Contenttype=4﹠amp; Preview=1﹠amp; Proxy=1﹠amp; Oma=0﹠amp; Chargeuserid=﹠amp; Subcontentsize=﹠amp; Mimetype=﹠amp; Enkey=5007CF02AA7CBBB2D7CF375368C32270, wherein the ip:port in URL be the central streams media platform IP and port numbers.
Step 7, marginal flow media platform receive the RTP Media Stream of central streams media platform direct broadcast band, and the marginal flow media platform sends to streaming media server in platform with the RTP Media Stream of central streams media platform direct broadcast band.
Step 9, channel code stream is selected in the sub-content identification actual in the direct broadcast band that comprises in user terminal RTSP request of marginal flow media platform, provides direct broadcast service to user terminal.
May occur abnormal in multi-level live streaming media content service method, when live between central steaming media platform and marginal flow media platform because abnormal and in have no progeny, the marginal flow media platform should carry out RTSPURL to be redirected, to central streams media platform relaying direct-broadcasting code stream.Frequently be redirected and the performance of central steaming media platform is caused greater impact to the central streams media platform for fear of abnormal conditions lower limb steaming media platforms such as the live interruptions always of CP, this type of situation lower limb steaming media platform should not be redirected to the central streams media platform too frequently.When the edge content management platform was initiated the deletion content, the marginal flow media platform closed that this is live.When the marginal flow media platform does not also create this direct broadcast band, and user terminal is when conducting interviews, and the marginal flow media platform can repeatedly remove central streams media platform engine relaying direct-broadcasting code stream.
Although only the execution mode about foregoing description has limitedly illustrated the present invention, those of ordinary skill in the art should understand and the invention is not restricted to above-mentioned execution mode, and spirit of the present invention plays various modifications or modification is all possible in the situation that do not depart from.Therefore, protection scope of the present invention should be only by appended claim and be equal to requirement and determine.
Claims (10)
1. streaming media on demand/downloading contents method of servicing, is characterized in that, comprises the steps:
Step 1, common content provider is uploaded to the central content management platform with content supplier's information and program request/downloading contents;
Step 2, the central content management platform is issued to the edge content management platform with Hot Contents;
The NAS that step 3, the content that central content management platform and edge content management platform will be issued are respectively injected separately shares storage, and the contents directory that will be stored in shared storage separately is distributed to steaming media platform at the same level;
Step 4, user terminal visits the marginal flow media platform with the RTSP/HTTP request URL, and request URL content subcontentid, wherein said subcontentid are that unique identification is fit to the content that this terminal is used;
Step 5, the marginal flow media platform judges that according to the content subcontentid that carries in the RTSP/HTTP request URL described content whether in the marginal flow media platform, if described content exists in the marginal flow media platform, forwards step 10 to, otherwise, forward step 6 to;
Step 6, the marginal flow media platform judges that according to the content subcontentid that carries in the RTSP/HTTP request URL described content is whether in the NAS of edge content management platform shares storage, if described content exists the NAS of edge content management platform to share in storage, forward step 10 to, otherwise, forward step 7 to;
Step 7 when the NAS that finds the edge content management platform when the marginal flow media platform is received the RTSP/HTTP request URL shares in storage not this content, initiatively sends described RTSP/HTTP request message to the central streams media platform;
Step 8 after the central streams media platform receives the request of marginal flow media platform, judges that according to the content subcontentid that carries in the RTSP/HTTP request URL described content is whether in the NAS of central content management platform shares storage;
Step 9, according to judged result, when described content existed the NAS of central content management platform to share in storage, the central streams media platform provided service in the code stream mode to the marginal flow media platform, otherwise the central streams media platform returns to error code to the marginal flow media platform;
Step 10, marginal flow media platform provide service finding described content rear line terminal.
2. method according to claim 1, is characterized in that, described Hot Contents accounts for 20% of content total amount.
3. method according to claim 1, is characterized in that, realizes the relaying broadcast between the two-stage platform and download by agent skill group between described marginal flow media platform and described central streams media platform.
4. according to claim 1 or 3 described methods, it is characterized in that, described marginal flow media platform directly forwards the URL of user terminal requests to described central streams media platform relaying the time, only IP address and the port numbers with the media platform of marginal flow described in URL replaces with IP address and the port numbers that described central streams media platform provides the server of interface function, and other Information preservations are constant.
5. method according to claim 1, is characterized in that, also comprises the steps:
The number of times of described marginal flow media platform further described content of counting user terminal access in step 10, for the content that surpasses setting threshold, if this content is not present in marginal flow media platform itself, by the marginal flow media platform, this content buffer memory to marginal flow media platform self from the shared storage of NAS is stored and the update content catalogue, share the content that does not have in storage for NAS, forward step 11 to;
Step 11, marginal flow media platform are carried content subcontentid and are sent the down sending content request to the edge content management platform;
Step 12, the edge content management platform is carried content subcontentid and is issued to central content management platform request content, to the edge content management platform, store this content buffer memory to steaming media platform self from the shared storage of NAS and the update content catalogue by the marginal flow media platform with this down sending content for the central content management platform.
6. a live streaming media content service method, is characterized in that, comprises the steps:
Step 1, live content provider is to central content management platform upload contents metadata;
Step 2, central content management platform issue live broadcast service, and synchronous described content metadata is to the central streams media platform;
Step 3, live content provider becomes the RTP data by direct broadcast coder with Signal coding, is sent to the central streams media platform;
Step 4, the central content management platform is to the synchronous described content metadata of edge content management platform;
Step 5, the synchronous described content metadata of edge content management platform is to the marginal flow media platform;
Step 6 when the synchronous content CID of marginal flow media platform judgement is central live source, generates live telecasting relay RTSP URL, and uses the live telecasting relay RTSP URL that generates to initiate the RTSP request to the central streams media platform;
Step 7, marginal flow media platform receive the RTP Media Stream of central streams media platform direct broadcast band, and the RTP Media Stream of central streams media platform direct broadcast band is sent to streaming media server in the marginal flow media platform;
Step 8, user terminal use the RTSP URL of the sub-content identification that comprises direct broadcast band reality to marginal flow media platform request direct broadcast service;
Step 9, channel code stream is selected in the sub-content identification actual in the direct broadcast band that comprises in user terminal RTSP request of marginal flow media platform, provides direct broadcast service to user terminal.
7. method according to claim 6, is characterized in that, described content metadata comprises RTSP URL, coded format, the code check of live content provider.
8. method according to claim 6, it is characterized in that, when live between described central streams media platform and described marginal flow media platform because abnormal and in have no progeny, described marginal flow media platform carries out RTSP URL to be redirected, to corresponding central streams media platform relaying direct-broadcasting code stream.
9. method according to claim 6, is characterized in that, when described edge content management platform was initiated the deletion content, described marginal flow media platform was closed described live.
10. method according to claim 6, it is characterized in that, when described marginal flow media platform does not also create described direct broadcast band, and user terminal is when conducting interviews, and described marginal flow media platform can repeatedly remove central streams media platform engine relaying direct-broadcasting code stream.
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| CN102891873B (en) * | 2011-07-21 | 2017-02-15 | 腾讯科技（深圳）有限公司 | Method for storing log data and log data storage system |
| CN102438171B (en) * | 2011-08-22 | 2018-09-28 | 南京中兴软件有限责任公司 | Program source document handling method, device and network television system |
| CN102263986A (en) * | 2011-08-22 | 2011-11-30 | 中兴通讯股份有限公司 | Program processing method and device in IPTV (Internet Protocol Television) |
| CN102760146A (en) * | 2011-12-29 | 2012-10-31 | 新奥特（北京）视频技术有限公司 | Method and system for releasing and interacting news contents |
| CN103634610B (en) * | 2012-08-24 | 2018-02-16 | 中兴通讯股份有限公司 | live content distribution system and method |
| CN103826137B (en) * | 2012-11-19 | 2018-02-16 | 中国电信股份有限公司 | Video access methods and system, the video proxy of CDN server |
| CN103888419B (en) * | 2012-12-21 | 2017-06-09 | 中国电信股份有限公司 | Virtual desktop terminal obtains method, system and the CDN subsystems of video content |
| CN103051976B (en) * | 2013-01-22 | 2016-02-10 | 中兴通讯股份有限公司 | A kind of CDN distributes HLS content and method, system and equipment |
| US10652193B2 (en) * | 2014-06-18 | 2020-05-12 | Western Digital Technologies, Inc. | Managing and accessing data storage systems |
| CN106850706A (en) * | 2015-12-04 | 2017-06-13 | 南宁富桂精密工业有限公司 | Stream medium data transmission system, transmission method and data distributing server |
| CN106790205B (en) * | 2017-01-05 | 2020-09-08 | 北京视博数字电视科技有限公司 | Streaming media service system |
| CN109587205B (en) * | 2017-09-29 | 2021-07-16 | 成都华为技术有限公司 | Shared directory creation mounting method and related equipment |
| CN109104309B (en) * | 2018-08-01 | 2021-12-21 | 网宿科技股份有限公司 | Edge server management system and method of CDN (content delivery network) |
| CN110351290B (en) * | 2019-07-17 | 2021-08-06 | 中国联合网络通信集团有限公司 | Data caching method and system |
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| US8417816B2 (en) * | 2009-02-20 | 2013-04-09 | Alcatel Lucent | Topology aware cache cooperation |
| CN101635635B (en) * | 2009-08-25 | 2011-12-07 | 北京原力创新科技有限公司 | Cloud mode streaming media service platform |
| CN101860550B (en) * | 2010-06-25 | 2013-02-27 | 复旦大学 | Streaming media system accelerating method based on router cache |
| CN101951491B (en) * | 2010-09-07 | 2012-05-23 | 中国联合网络通信集团有限公司 | Method and system for playing video services |
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