CN104093088A - System and method for achieving self-adaptive stream media play control - Google Patents
System and method for achieving self-adaptive stream media play control Download PDFInfo
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Abstract
The invention relates to a system for achieving self-adaptive stream media play control. The system comprises a signaling analysis module, a front end drainage module, a local stream media streaming module and a stream media data distribution module. The invention further provides a method for achieving self-adaptive stream media play control. The method comprises the steps that when a transmission network does not support multicast coordination, the front end drainage module obtains stream media signals of a far end stream media server in a unicast mode, the stream media data distribution module carries out drainage play, and when the stream media signals needing to be played are cached in the local stream media streaming module, the stream signals can be played from the local stream media streaming module in a drainage mode. By the adoption of the system for achieving self-adaptive stream media play control, videos across network segments can be played, the strict requirement that an underlaying network supports the multi-cast protocol is not needed, the requirement for the network bandwidth is greatly reduced, one program can be drained at a time, the structure is simple, installation and usage are convenient, and the application range is wider.
Description
Technical field
The present invention relates to streaming media service field, relate in particular to streaming media service gateway field, specifically refer to a kind of system and method for realizing adaptive stream media Play Control.
Background technology
Streaming media service gateway subsystem (Streaming Service Gateway, SSG) is intended to provide to user the service platform of diversity media resource.
SSG platform can either provide to user the streaming media service of local audio and video resources, also can index network in far-end audio and video resources, and provide media forwarding service to user, thereby removed the inconvenience that user searches between broad medium resource from.
This platform is in providing above-mentioned this locality and distant end media service, and the processing that can also customize Media Stream in media services, as bandwidth control, Qos (Quality of Service, service quality) detection, transcoding function etc.
In traditional enterprise's streaming media service solution, streaming media server provides streaming media service, allows client to carry out Video processing by access stream media services.Streaming media server is by multicast UDP (User Datagram Protocol, User Datagram Protocol) mode provides live broadcast service, by clean culture RTSP (Real Time Streaming Protocol, real time streaming transport protocol) mode provides order program service, there is no to consider the requirement to network, what adopt is all the corresponding video stream media agreement of default network support, as shown in Figure 1.
Corresponding also comparative maturity of solution, but there are 2 crucial technical deficiencies in this scheme:
(1) when providing direct broadcast service, need whole network omnidistance support multicast routing protocol but, under certain applications scene, especially realize in trans-regional Intranet situation at the VPN of public network, network do not support multicast or configuring maintenance cumbersome, how will realize user's streaming media playing this time?
In order to realize live viewing effect, traditional solution is that video multicast is provided by the mode of unicast of RTSP, the defect of this solution is that each user need to draw separately a road RTSP stream on backbone network, is a waste greatly to the bandwidth of network;
(2) client is in by clean culture access stream media server, there is the situation of multiple user concurrents, the concurrency performance of convection media server gateway requires very high like this, easily form bottleneck, simultaneously too high to the bandwidth requirement of transmission network, especially in cross-network segment, backbone transport expense is excessive.
For example, somewhere Radio, Film and Television Administration, content server and supervise server not at same machine room, need the streaming media server of remote access to content regions, but the passage of intermediate conveyor, owing to having adopted public network VPN (Virtual Private Network, VPN (virtual private network)) tunneling technique, cannot flexible configuration Multicast Routing, the access of all clients all needs to access by mode of unicast, simultaneously due to public network cost higher, Bandwidth-Constrained,, easily there is the problems such as card pauses when in multi-user the orientation, had a strong impact on user's work.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, provide a kind of video playback to cross-network segment that can realize, no longer strictly need bottom-layer network support multicast protocol, to the requirement of the network bandwidth greatly reduce, simple in structure, be convenient to realize the system and method for realizing adaptive stream media Play Control.
To achieve these goals, the system and method for realizing adaptive stream media Play Control of the present invention has following formation:
This realizes the system of adaptive stream media Play Control, and its main feature is that described system comprises:
Signaling parsing module, obtains described Play Control instruction corresponding to playing request signaling in order to the playing request signaling of resolving client transmission, and described Play Control instruction is sent to front end drainage module or local Streaming Media streams module;
Front end drainage module, in order to the described Play Control instruction receiving described signaling parsing module transmission, and from far-end streaming media server, obtain described far-end Streaming Media signal corresponding to Play Control instruction, and send described far-end Streaming Media signal to stream medium data distribution module;
Local Streaming Media streams module, the described Play Control instruction sending in order to receive described signaling parsing module, and local Streaming Media signal corresponding described Play Control instruction is sent to described stream medium data distribution module;
Stream medium data distribution module, the local Streaming Media signal sending in order to described far-end Streaming Media signal that described front end drainage module is sent or described local Streaming Media streams module is sent to corresponding client.
Wherein, described playing request signaling is live demand signalling or order request signaling, said Play Control instruction is live control command or program request control command, described playing request signaling is corresponding one by one with described Play Control instruction, described client is the computer or television machine of networking that user uses, described front end drainage module is to support the Streaming Media acquisition module of flow host-host protocol, and described stream medium data distribution module is the Streaming Media gateway of supporting multicast protocol.
Further, in described signaling parsing module, there is broadcasting form judging unit and control command judging unit, wherein:
Described broadcasting form judging unit, in order to judge whether the network that described client connects supports multicast mode, and feeds back to described signaling parsing module by judged result;
Described control command judging unit, in order to judge whether described Play Control instruction is program request control command, and feeds back to described signaling parsing module by judged result.
Further, in described local Streaming Media streams module, have local streaming media playing list cell, described local streaming media playing list cell is in order to store the information of local Streaming Media signal.
Further, described signaling parsing module comprises local stream media information reading unit and local stream media information contrast unit, wherein:
Described local stream media information reading unit, in order to read the information of local Streaming Media signal of described local streaming media playing list unit storage;
Described local stream media information contrast unit, the information of the local Streaming Media signal reading in order to Streaming Media signal corresponding to the Play Control instruction described in contrasting and described local stream media information reading unit, and whether have described Streaming Media signal corresponding to Play Control instruction in the information of the local Streaming Media signal that reads of the described local stream media information reading unit of judgement, and judged result is fed back to described front end drainage module.
Further, in described stream medium data distribution module, have transcoding units, described transcoding units is in order to change the video format of described far-end Streaming Media signal.
Further, in described front end drainage module, there is broadband control unit, the Play Control instruction of described broadband control unit in order to judge whether that according to network bandwidth resources the described signaling parsing module of response sends, and judge whether to start described transcoding units according to described far-end Streaming Media signal.
Further, described front end drainage module is obtained described Streaming Media signal corresponding to Play Control instruction from described far-end streaming media server by host-host protocol, described host-host protocol is RTSP agreement, http protocol (Hypertext Transfer Protocol, HTML (Hypertext Markup Language)) or RTMP agreement (Real Time Messaging Protocol, real-time messages transportation protocol).
In addition, the present invention also provides a kind of method that realizes adaptive stream media Play Control, and the method comprises the following steps:
(1) described signaling parsing module receives the playing request signaling that client sends;
(2) described signaling parsing module is resolved described playing request signaling and is obtained described Play Control instruction corresponding to playing request signaling;
(3) described signaling parsing module sends described Play Control instruction to described front end drainage module or described local Streaming Media streams module;
(4) local Streaming Media signal corresponding described Play Control instruction is sent to described stream medium data distribution module by described local Streaming Media streams module;
(5) described front end drainage module is obtained described far-end Streaming Media signal corresponding to Play Control instruction from far-end streaming media server, and sends described far-end Streaming Media signal to described stream medium data distribution module;
(6) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client.
Further, described step (6) is afterwards, further comprising the steps of:
(7) described far-end Streaming Media signal is sent to described local streaming media server by described stream medium data distribution module;
(8) the far-end Streaming Media signal described in described local streaming media server buffer memory, and the information of described far-end Streaming Media signal is sent to described local streaming media playing list cell;
(9) information of the far-end Streaming Media signal described in described local streaming media playing list unit storage.
Further, in described local Streaming Media streams module, have local streaming media playing list cell, described step (1) is before, further comprising the steps of:
(0) information of the described local Streaming Media signal of local streaming media playing list unit storage.
Further, in described signaling parsing module, there is local stream media information reading unit and local stream media information contrast unit, described signaling parsing module sends described Play Control instruction to described front end drainage module or described local Streaming Media streams module, comprises the following steps:
(3.1) described local stream media information reading unit reads the information of the local Streaming Media signal of described local streaming media playing list unit storage;
(3.2) in the information of the described local Streaming Media signal of the information of the described Streaming Media signal of described local stream media information contrast unit contrast and described local Streaming Media signal, and judgement, whether there is described Streaming Media signal;
(3.3) if described judged result is to have described Streaming Media signal in the information of described local Streaming Media signal, continues step (3.4), otherwise continue step (3.5);
(3.4) described signaling parsing module sends described Play Control instruction to described local Streaming Media streams module, and returns to above-mentioned steps (4);
(3.5) described signaling parsing module sends described Play Control instruction to described front end drainage module, and returns to above-mentioned steps (5).
Further, in described signaling parsing module, there is broadcasting form judging unit and control command judging unit, between described step (3.3) and step (3.4), further comprising the steps of:
(3.3.1) described control command judging unit judges whether described Play Control instruction is program request control command;
If (3.3.2) judged result is live control command, continues step (3.5), otherwise continue step (3.3.3)
(3.3.3) whether the network that the described described client of broadcasting form judging unit judgement connects supports multicast mode;
If (3.3.4) judged result is the network support multicast mode that described client connects, continues step (3.3.5), otherwise continue step (3.5);
(3.3.5) described client adds the multicast group of described stream medium data distribution module.
Further, the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client, comprises the following steps:
(6.1) whether the described described client of stream medium data distribution module judgement adds described multicast group;
(6.2) add described multicast group if judged result is described client, continue step (6.3), otherwise continue step (6.4);
(6.3) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client by the mode of multicast;
(6.4) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client by the mode of clean culture.
Further, described front end drainage module comprises broadband control unit, between described step (4) and (5), comprises the following steps:
(4.1) described broadband control unit judges whether according to network bandwidth resources the Play Control instruction that the described signaling parsing module of response sends;
(4.2) if judged result is the Play Control instruction that the described signaling parsing module of response sends, continues step (5), otherwise return to above-mentioned steps (6).
Further, in described stream medium data distribution module, have transcoding units, described step (5.2) is afterwards, further comprising the steps of:
(4.3) whether the video resolution of the far-end Streaming Media signal described in described broadband control unit judgement is excessive;
(4.4) if judged result is that video resolution is excessive, continue step (5.5), otherwise continue step (6);
(4.5) enabled instruction is sent to described stream medium data distribution module by described broadband control unit.
Further, between described step (5) and (6), comprise the following steps:
(5.1) described stream medium data distribution module judges whether the enabled instruction of receiving that described broadband control unit sends;
(5.2) if judged result is the enabled instruction of receiving that described broadband control unit sends, continue step (5.3), otherwise continue step (6);
(5.3) described stream medium data distribution module starts described transcoding units;
(5.4) video format of the far-end Streaming Media signal described in described transcoding units conversion.
Adopt the system and method for realizing adaptive stream media Play Control in this invention, for streaming media server and client in cross-network segment access, or when transmission network is not supported to multicast coordination, allow client to connect far-end streaming media server by front end drainage module, front end drainage module is carried out drainage broadcasting by the mode of clean culture, reduce the requirement to network, for avoiding the flow in this network segment, stream medium data distribution module supports the mode of multicast to improve streaming media service simultaneously.
Simultaneously, stream medium data distribution module carries out same dispatching management to the video access of client, to the client of access same channel and program, user access request is redirected to local streaming media server, reduce the access of far-end streaming media server concurrently, improved the utilance of server and the network bandwidth.
In addition, the present invention can reduce the requirement to network project and design on the basis of realizing conventional video and supervise function, to the video playback of cross-network segment, no longer strictly needs bottom-layer network to support multicast protocol, the especially design of the VPN private network on public network; Requirement to the network bandwidth reduces greatly, realizes a drainage of same program, and local network is inner to be forwarded, and has range of application widely.
Brief description of the drawings
Fig. 1 is the annexation schematic diagram of streaming media server and client in prior art.
Fig. 2 is the structural representation of the system that realizes adaptive stream media Play Control of the present invention.
Fig. 3 is the general flow chart of the method that realizes adaptive stream media Play Control of the present invention.
Fig. 4 is the overall flow figure of the method that realizes adaptive stream media Play Control of the present invention.
Fig. 5 is the schematic diagram of not supporting multicast of the method that realizes adaptive stream media Play Control of the present invention.
Fig. 6 is the schematic diagram of the local cache of the method that realizes adaptive stream media Play Control of the present invention.
Fig. 7 is the schematic diagram of multiple playing request of the method that realizes adaptive stream media Play Control of the present invention.
Embodiment
In order more clearly to describe technology contents of the present invention, conduct further description below in conjunction with specific embodiment.
Refer to shown in Fig. 2, in one embodiment, the system that realizes adaptive stream media Play Control comprises:
Signaling parsing module, obtains described Play Control instruction corresponding to playing request signaling in order to the playing request signaling of resolving client transmission, and described Play Control instruction is sent to front end drainage module or local Streaming Media streams module;
Front end drainage module, in order to the described Play Control instruction receiving described signaling parsing module transmission, and from far-end streaming media server, obtain described far-end Streaming Media signal corresponding to Play Control instruction, and send described far-end Streaming Media signal to stream medium data distribution module;
Local Streaming Media streams module, the described Play Control instruction sending in order to receive described signaling parsing module, and local Streaming Media signal corresponding described Play Control instruction is sent to described stream medium data distribution module;
Stream medium data distribution module, the local Streaming Media signal sending in order to described far-end Streaming Media signal that described front end drainage module is sent or described local Streaming Media streams module is sent to corresponding client.
Wherein, described playing request signaling is live demand signalling or order request signaling, said Play Control instruction is live control command or program request control command, described playing request signaling is corresponding one by one with described Play Control instruction, described client is the computer or television machine of networking that user uses, described front end drainage module is to support the Streaming Media acquisition module of flow host-host protocol, and described stream medium data distribution module is the Streaming Media gateway of supporting multicast protocol.
In addition, in the time of specific implementation technical scheme of the present invention, modules all can adopt already present ripe hardware product in prior art.
Described signaling resolver can adopt signalling analysis equipment of the prior art, as the signaling decoding analyzing and processing equipment of Guangdong Etone-Tech Inc., or the Agilent mobile signaling protocol analyzer of Anjelen Sci. & Tech. Inc, or the Signaling Analyzer of Nanjing Wei Neng telecom technology co., ltd, model is DS71E.
Described front end drainage system can adopt Streaming Media capture card of the prior art, high resolution audio and video capture card as omnipotent in the T220E of Beijing Tong Zhou Shi Da Science and Technology Ltd., or day quick SDK3000 video frequency collection card, or Canopus HDSTORM video frequency collection card,
Described stream medium data dispensing device can adopt the Streaming Media gateway of Zhuoyang Sci. & Tech. Co., Ltd., Shanghai, model is VE-6000, or adopt the digital video signal stream media service system of digital video signal company or the WMG Streaming Media gateway of Beijing perfect Shi Tong Science and Technology Ltd..
Described local Streaming Media crossfire device can adopt very general self in prior art with the DST PLAYER of memory, can realize the audio frequency and video of various common forms are stored and play.
One preferred embodiment in, in described signaling parsing module, there is broadcasting form judging unit and control command judging unit, wherein:
Described broadcasting form judging unit, in order to judge whether the network that described client connects supports multicast mode, and feeds back to described signaling parsing module by judged result;
Described control command judging unit, in order to judge whether described Play Control instruction is program request control command, and feeds back to described signaling parsing module by judged result.
One preferred embodiment in, in described local Streaming Media streams module, there is local streaming media playing list cell, described local streaming media playing list cell is in order to store the information of local Streaming Media signal.
Described local streaming media playing list cell is just carried out buffer memory to the information of the local Streaming Media signal of playing, finish the rear relevant information that substantially can not retain, it is real-time streaming media service, if need storage, user can be recorded in local service by recording function, can not bring the problem of copyright and the requirement to storage.
In the preferred execution mode of one, described signaling parsing module comprises local stream media information reading unit and local stream media information contrast unit, wherein:
Described local stream media information reading unit, in order to read the information of local Streaming Media signal of described local streaming media playing list unit storage;
Described local stream media information contrast unit, the information of the local Streaming Media signal reading in order to Streaming Media signal corresponding to the Play Control instruction described in contrasting and described local stream media information reading unit, and whether have described Streaming Media signal corresponding to Play Control instruction in the information of the local Streaming Media signal that reads of the described local stream media information reading unit of judgement, and judged result is fed back to described front end drainage module.
One preferred embodiment in, in described stream medium data distribution module, there is transcoding units, described transcoding units is in order to change the video format of described far-end Streaming Media signal.
In the preferred execution mode of one, in described front end drainage module, there is broadband control unit, the Play Control instruction of described broadband control unit in order to judge whether that according to network bandwidth resources the described signaling parsing module of response sends, and judge whether to start described transcoding units according to described far-end Streaming Media signal.
Wherein, described bandwidth control unit can adopt the fair share device PureFlow FS10CATV device of An Li network Co., Ltd., or the Bandwidth Broker of Packteer company of the U.S..
One preferred embodiment in, described front end drainage module is obtained described Streaming Media signal corresponding to Play Control instruction from described far-end streaming media server by host-host protocol, described host-host protocol is RTSP agreement, http protocol or RTMP agreement.
In addition, the present invention also provides a kind of method that realizes adaptive stream media Play Control, and as shown in Figure 3, the method comprises the following steps:
(1) described signaling parsing module receives the playing request signaling that client sends;
(2) described signaling parsing module is resolved described playing request signaling and is obtained described Play Control instruction corresponding to playing request signaling;
(3) described signaling parsing module sends described Play Control instruction to described front end drainage module or described local Streaming Media streams module;
(4) local Streaming Media signal corresponding described Play Control instruction is sent to described stream medium data distribution module by described local Streaming Media streams module;
(5) described front end drainage module is obtained described far-end Streaming Media signal corresponding to Play Control instruction from far-end streaming media server, and sends described far-end Streaming Media signal to described stream medium data distribution module;
(6) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client.
One preferred embodiment in, described step (6) is afterwards, further comprising the steps of:
(7) described far-end Streaming Media signal is sent to described local streaming media server by described stream medium data distribution module;
(8) the far-end Streaming Media signal described in described local streaming media server buffer memory, and the information of described far-end Streaming Media signal is sent to described local streaming media playing list cell;
(9) information of the far-end Streaming Media signal described in described local streaming media playing list unit storage.
One preferred embodiment in, in described local Streaming Media streams module, there is local streaming media playing list cell, described step (1) before, further comprising the steps of:
(0) information of the described local Streaming Media signal of local streaming media playing list unit storage.
In the preferred execution mode of one, in described signaling parsing module, there is local stream media information reading unit and local stream media information contrast unit, described signaling parsing module sends described Play Control instruction to described front end drainage module or described local Streaming Media streams module, comprises the following steps:
(3.1) described local stream media information reading unit reads the information of the local Streaming Media signal of described local streaming media playing list unit storage;
(3.2) in the information of the described local Streaming Media signal of the information of the described Streaming Media signal of described local stream media information contrast unit contrast and described local Streaming Media signal, and judgement, whether there is described Streaming Media signal;
(3.3) if described judged result is to have described Streaming Media signal in the information of described local Streaming Media signal, continues step (3.4), otherwise continue step (3.5);
(3.4) described signaling parsing module sends described Play Control instruction to described local Streaming Media streams module, and returns to above-mentioned steps (4);
(3.5) described signaling parsing module sends described Play Control instruction to described front end drainage module, and returns to above-mentioned steps (5).
In the preferred execution mode of one, in described signaling parsing module, there is broadcasting form judging unit and control command judging unit, between described step (3.3) and step (3.4), further comprising the steps of:
(3.3.1) described control command judging unit judges whether described Play Control instruction is program request control command;
If (3.3.2) judged result is live control command, continues step (3.5), otherwise continue step (3.3.3)
(3.3.3) whether the network that the described described client of broadcasting form judging unit judgement connects supports multicast mode;
If (3.3.4) judged result is the network support multicast mode that described client connects, continues step (3.3.5), otherwise continue step (3.5);
(3.3.5) described client adds the multicast group of described stream medium data distribution module.
In the preferred execution mode of one, the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client, comprises the following steps:
(6.1) whether the described described client of stream medium data distribution module judgement adds described multicast group;
(6.2) add described multicast group if judged result is described client, continue step (6.3), otherwise continue step (6.4);
(6.3) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client by the mode of multicast;
(6.4) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client by the mode of clean culture.
One preferred embodiment in, described front end drainage module comprises broadband control unit, between described step (4) and (5), comprises the following steps:
(4.1) described broadband control unit judges whether according to network bandwidth resources the Play Control instruction that the described signaling parsing module of response sends;
(4.2) if judged result is the Play Control instruction that the described signaling parsing module of response sends, continues step (5), otherwise return to above-mentioned steps (6).
In the preferred execution mode of one, in described stream medium data distribution module, there is transcoding units, described step (5.2) is afterwards, further comprising the steps of:
(4.3) whether the video resolution of the far-end Streaming Media signal described in described broadband control unit judgement is excessive;
(4.4) if judged result is that video resolution is excessive, continue step (5.5), otherwise continue step (6);
(4.5) enabled instruction is sent to described stream medium data distribution module by described broadband control unit.
In the preferred execution mode of one, between described step (5) and (6), comprise the following steps:
(5.1) described stream medium data distribution module judges whether the enabled instruction of receiving that described broadband control unit sends;
(5.2) if judged result is the enabled instruction of receiving that described broadband control unit sends, continue step (5.3), otherwise continue step (6);
(5.3) described stream medium data distribution module starts described transcoding units;
(5.4) video format of the far-end Streaming Media signal described in described transcoding units conversion.
Wherein, in the concrete mode of implementing clean culture, mode of unicast of the present invention is supported various modes:
1, traditional RTSP unicast mode;
2, the HTTP mode of unicast of far-end video ftp server, adopt the mode of gradual download, solve far-end server like this and there is no the situation of streaming media service function, only need opposite end to support FTP video file service function, Streaming Media gateway carries out the processing of file to unicast stream by HTTP unitcast request mode.
In addition, the present invention does and expands on the basis of Streaming Media multicast, can carry out to unicast stream the encoding and decoding of video, realizes various video stream bit rate etc. is arranged flexibly and processed.
Streaming Media gateway supports the mode of multicast there is no special technological means, substantially be all standard multicast agreement, the present invention can also adopt IGMP (Internet Group Management Protocol, IGMP) multicast protocol of V3 version, utilize this characteristic, can control the user of multicast, allow recipient to add the particular group of particular source; On the basis of multicast, system also supports to provide the function of HTTP streaming media service, by supporting HLS (HTTP Live Streaming, a kind of agreement for real-time streams transmission based on HTTP) stream media protocol, support Android, the multi-screen of the mobile terminals such as apple is play.
In addition, the present invention does not relate to PHY layer (Physics, physical layer), MAC layer (Media Access Control, media access control layer) protocol modification, therefore whole technical scheme can realize on IP based network, general, open and have flexibility, has larger advantage.
Be illustrated in figure 4 entire flow figure corresponding to a specific embodiment of the present invention, illustrate below by embodiment:
As shown in Figure 5, send a live demand signalling for client, as ask live CCTV1, because network is not supported UDP multicast protocol, client cannot be play by the mode that directly adds multicast, front end drainage module is obtained live signal by RTSP mode from far-end streaming media server, having solved network does not support the problem of multicast UDP (to note, need to configure corresponding Streaming Media gateway or other equipment in streaming media server side, the RTSP mode that realizes live signal provides).
As shown in Figure 6, multi-client is sent to same live demand signalling, CCTV1 as live in multiple client-requested, streaming media service gateway obtains live signal by RTSP mode from far-end streaming media server.In local area network, stream medium data distribution module provides user to watch by the mode of multicast or clean culture.This scene, owing to having adopted the buffer memory of local Streaming Media streams module, has reduced the concurrent requirement to far-end streaming media server, and multiple users' access only has a drainage at far-end streaming media server place, and the concurrency performance of whole system is provided.
As shown in Figure 7, for multi-user's different demand signallings, for example client 1 is sent live demand signalling, CCTV1 is play in request, client 2 is sent order request signaling, CCTV2 is play in request, first signaling parsing module judges whether that multiple users access the situation of same video, only need 1 part at the Streaming Media signal of 2 network segments, reduce the requirement of the network bandwidth, by stream medium data distribution module, the unicast stream in Streaming Media and multicast data flow are shunted, and be sent to respectively client 1 and client 2, client 1 and client 2 have been play respectively CCTV1 and CCTV2 program, client 3 now adds, wish to watch CCTV1, this time, signaling parsing module judges and in local playlist, has had CCTV1, no matter be to adopt mode of unicast or multicast mode, now only need to distribute again a video flowing by local Streaming Media streams module, do not need again to carry out drainage to streaming media server again, reduced the signaling traffic load of far-end streaming media server, also saved bandwidth simultaneously, the concurrency performance of elevator system.
In addition, for receive multiple playing request signalings simultaneously, signaling parsing module carries out record management to user's playing request signaling, as the source address of recording user, the address situation of request protocol type and broadcasting, in the time that first user initiates request, signaling parsing module finds do not have in this request historical record, therefore signaling parsing module is by Play Control instruction, be that user asks the Streaming Media address of playing to send to front end drainage module, user-dependent video flowing is incorporated into streaming media distribution module, stream medium data distribution module has been set up a local streaming media playing list, as shown in the table, wherein local streaming media playing list can be kept in local Streaming Media streams module, the incidence relation that completes like this following table is set up.When second user initiates request, signaling parsing module detects from list, if do not find, newly-increased, if find, the broadcast address of user's demand signalling is existing, the local Streaming Media signal directly obtaining from local Streaming Media streams module, i.e. local streaming media service address, user directly uses local streaming media service address to play.
Signaling parsing module is automatically resolved and identifies according to protocol type and related protocol, for example:
1. programme televised live, live conventional employing be UDP address, as UDP: // 233.1.1.1:8080: to live, by MPEG (Moving Pictures Experts Group/Motion Pictures Experts Group in monitoring UDP, dynamic image expert group) SI (the Specific Information of agreement, customizing messages)/PSI (program Specific Information, Program Specific Information) field information, obtains programm name;
2. request program, conventionally adopt RTSP agreement, according to the mutual SDP of RTSP playing request (Session Description Protocol, Session Description Protocol) information and RTSP address, be that RTSP URL (Uniform Resoure Locator, URL(uniform resource locator)) determines whether same program.
If above-mentioned field cannot provide programme information, whether system is still adjudicated according to absolute address is identical broadcast program.
In addition, in the time that stream medium data distribution module has multicast functionality, stream medium data distribution module completes the distribute work of convection current media signal by multicast protocol.The service that stream medium data distribution module can provide in Intranet each program provides as a multicast services, client is in playing, signaling parsing module is by identification user's request, the programme content of identification user request, and inquire the multicast address that Intranet provides, user completes by the multicast group that adds stream medium data distribution module in playing, and the present invention is the multicast of realizing by operating system, not exclusively relies on router and realizes.
If what multiple user's requests were play is same program, owing to all having added by a multicast group, by multicast replication, complete the program distribution to multi-user,
The program different to different user request, what user added is different program multicast group, therefore distributes by different multicast group.
Concrete ways of distribution adopts the multicast distribution tree mechanism of standard to realize.
In front end drainage process, the monitoring of system support to real time flow medium bandwidth, and according to situations such as equipment cpu busy percentage, memory usage, network interface bandwidth, according to the requirement of policy control, carry out corresponding video code conversion.Improve the bandwidth availability ratio of whole network.
Described bandwidth control unit, mainly utilizes seven layers of similar DPI to wrap measuring abilities, the overall flow of monitoring network and the situation of Video Applications, and the situation of discovering network also can be controlled in real time, is mainly to carry out qos policy control.It determines the access control of each video playback according to the bandwidth resources of network, and is that distribution and the release of bandwidth are carried out in the request of accepting.Meanwhile, it is the generation of responsible control strategy also, for example, determine that whether starting transcoding units carries out transcoding work.
As above table, in the situation that total bandwidth is limited, broadband control device is by the monitoring to bandwidth between streaming media distribution module to front end, set thresholding higher than certain when finding the bandwidth availability ratio that required request is play, just relevant flow is carried out to QOS management, if live priority is higher than the priority of order request etc., the means of control comprise that traditional IP QOS strategy is as speed limit, queue shaping, obstruction and access limitation etc.
When the existing bandwidth of bandwidth control unit discovering network cannot meet new user's request, except the Play Control instruction that response signaling parsing module does not send, can also no longer accept new request by notice signaling parsing module, also can be as required, existing drainage content is carried out to transcoding, the object of transcoding is to reduce the bandwidth of video code rate, the in the situation that of same band, can allow more drainage request like this.But due to the resource such as CPU that transcoding need to consume front end, therefore the prerequisite of transcoding is monitoring, the performance of whole front end also meets supports transcoding requirement.
The principle of transcoding is utilized cpu resource, and resolution, the code check etc. of video are adjusted, and not affecting watch experience in the situation that, adopts low video resolution as far as possible.Such as the conversion between different video form, for example, forward H.264 form to from MPEG-2 form or MPEG-4 form; Aspect content delivery, change bit rate meets the demand of heterogeneous networks bandwidth or device plays speed; Aspect definition, transfer HD video to SD, even lower smoothness.
Adopt the system and method for realizing adaptive stream media Play Control in this invention, for streaming media server and client in cross-network segment access, or when transmission network is not supported to multicast coordination, allow client to connect far-end streaming media server by front end drainage module, front end drainage module is carried out drainage broadcasting by the mode of clean culture, reduce the requirement to network, for avoiding the flow in this network segment, stream medium data distribution module supports the mode of multicast to improve streaming media service simultaneously.
Simultaneously, stream medium data distribution module carries out same dispatching management to the video access of client, to the client of access same channel and program, user access request is redirected to local streaming media server, reduce the access of far-end streaming media server concurrently, improved the utilance of server and the network bandwidth.
In addition, the present invention can reduce the requirement to network project and design on the basis of realizing conventional video and supervise function, to the video playback of cross-network segment, no longer strictly needs bottom-layer network to support multicast protocol, the especially design of the VPN private network on public network; Requirement to the network bandwidth reduces greatly, realizes a drainage of same program, and local network is inner to be forwarded, and has range of application widely.
In this specification, the present invention is described with reference to its specific embodiment.But, still can make various amendments and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (18)
1. a system that realizes adaptive stream media Play Control, is characterized in that, described system comprises:
Signaling parsing module, obtains described Play Control instruction corresponding to playing request signaling in order to the playing request signaling of resolving client transmission, and described Play Control instruction is sent to front end drainage module or local Streaming Media streams module;
Front end drainage module, in order to the described Play Control instruction receiving described signaling parsing module transmission, and from far-end streaming media server, obtain described far-end Streaming Media signal corresponding to Play Control instruction, and send described far-end Streaming Media signal to stream medium data distribution module;
Local Streaming Media streams module, the described Play Control instruction sending in order to receive described signaling parsing module, and local Streaming Media signal corresponding described Play Control instruction is sent to described stream medium data distribution module;
Stream medium data distribution module, the local Streaming Media signal sending in order to described far-end Streaming Media signal that described front end drainage module is sent or described local Streaming Media streams module is sent to corresponding client.
2. the system that realizes adaptive stream media Play Control according to claim 1, it is characterized in that, described playing request signaling is live demand signalling or order request signaling, said Play Control instruction is live control command or program request control command, and described playing request signaling is corresponding one by one with described Play Control instruction.
3. the system that realizes adaptive stream media Play Control according to claim 2, is characterized in that, has broadcasting form judging unit and control command judging unit in described signaling parsing module, wherein:
Described broadcasting form judging unit, in order to judge whether the network that described client connects supports multicast mode, and feeds back to described signaling parsing module by judged result;
Described control command judging unit, in order to judge whether described Play Control instruction is program request control command, and feeds back to described signaling parsing module by judged result.
4. the system that realizes adaptive stream media Play Control according to claim 1, it is characterized in that, in described local Streaming Media streams module, have local streaming media playing list cell, described local streaming media playing list cell is in order to store the information of local Streaming Media signal.
5. the system that realizes adaptive stream media Play Control according to claim 4, is characterized in that, described signaling parsing module comprises local stream media information reading unit and local stream media information contrast unit, wherein:
Described local stream media information reading unit, in order to read the information of local Streaming Media signal of described local streaming media playing list unit storage;
Described local stream media information contrast unit, the information of the local Streaming Media signal reading in order to Streaming Media signal corresponding to the Play Control instruction described in contrasting and described local stream media information reading unit, and whether have described Streaming Media signal corresponding to Play Control instruction in the information of the local Streaming Media signal that reads of the described local stream media information reading unit of judgement, and judged result is fed back to described front end drainage module.
6. the system that realizes adaptive stream media Play Control according to claim 1, is characterized in that, in described stream medium data distribution module, has transcoding units, and described transcoding units is in order to change the video format of described far-end Streaming Media signal.
7. the system that realizes adaptive stream media Play Control according to claim 6, it is characterized in that, in described front end drainage module, there is broadband control unit, the Play Control instruction of described broadband control unit in order to judge whether that according to network bandwidth resources the described signaling parsing module of response sends, and judge whether to start described transcoding units according to described far-end Streaming Media signal.
8. the system that realizes adaptive stream media Play Control according to claim 1, it is characterized in that, described front end drainage module is obtained described Streaming Media signal corresponding to Play Control instruction from described far-end streaming media server by host-host protocol, described host-host protocol is RTSP agreement, http protocol or RTMP agreement.
9. the system that realizes adaptive stream media Play Control according to claim 1, it is characterized in that, described client is the computer or television machine of networking that user uses, described front end drainage module is to support the Streaming Media acquisition module of flow host-host protocol, and described stream medium data distribution module is the Streaming Media gateway of supporting multicast protocol.
10. the system based on described in any one in claim 1 to 9 realizes a method for adaptive stream media Play Control, it is characterized in that, described method comprises the following steps:
(1) described signaling parsing module receives the playing request signaling that client sends;
(2) described signaling parsing module is resolved described playing request signaling and is obtained described Play Control instruction corresponding to playing request signaling;
(3) described signaling parsing module sends described Play Control instruction to described front end drainage module or described local Streaming Media streams module;
(4) local Streaming Media signal corresponding described Play Control instruction is sent to described stream medium data distribution module by described local Streaming Media streams module;
(5) described front end drainage module is obtained described far-end Streaming Media signal corresponding to Play Control instruction from far-end streaming media server, and sends described far-end Streaming Media signal to described stream medium data distribution module;
(6) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client.
11. methods that realize adaptive stream media Play Control according to claim 10, is characterized in that, described step (6) is afterwards, further comprising the steps of:
(7) described far-end Streaming Media signal is sent to described local streaming media server by described stream medium data distribution module;
(8) the far-end Streaming Media signal described in described local streaming media server buffer memory, and the information of described far-end Streaming Media signal is sent to described local streaming media playing list cell;
(9) information of the far-end Streaming Media signal described in described local streaming media playing list unit storage.
12. methods that realize adaptive stream media Play Control according to claim 10, it is characterized in that, in described local Streaming Media streams module, have local streaming media playing list cell, described step (1) is before, further comprising the steps of:
(0) information of the described local Streaming Media signal of local streaming media playing list unit storage.
13. methods that realize adaptive stream media Play Control according to claim 12, it is characterized in that, in described signaling parsing module, there is local stream media information reading unit and local stream media information contrast unit, described signaling parsing module sends described Play Control instruction to described front end drainage module or described local Streaming Media streams module, comprises the following steps:
(3.1) described local stream media information reading unit reads the information of the local Streaming Media signal of described local streaming media playing list unit storage;
(3.2) in the information of the described local Streaming Media signal of the information of the described Streaming Media signal of described local stream media information contrast unit contrast and described local Streaming Media signal, and judgement, whether there is described Streaming Media signal;
(3.3) if described judged result is to have described Streaming Media signal in the information of described local Streaming Media signal, continues step (3.4), otherwise continue step (3.5);
(3.4) described signaling parsing module sends described Play Control instruction to described local Streaming Media streams module, and returns to above-mentioned steps (4);
(3.5) described signaling parsing module sends described Play Control instruction to described front end drainage module, and returns to above-mentioned steps (5).
14. methods that realize adaptive stream media Play Control according to claim 13, it is characterized in that, in described signaling parsing module, there is broadcasting form judging unit and control command judging unit, between described step (3.3) and step (3.4), further comprising the steps of:
(3.3.1) described control command judging unit judges whether described Play Control instruction is program request control command;
If (3.3.2) judged result is live control command, continues step (3.5), otherwise continue step (3.3.3)
(3.3.3) whether the network that the described described client of broadcasting form judging unit judgement connects supports multicast mode;
If (3.3.4) judged result is the network support multicast mode that described client connects, continues step (3.3.5), otherwise continue step (3.5);
(3.3.5) described client adds the multicast group of described stream medium data distribution module.
15. methods that realize adaptive stream media Play Control according to claim 14, it is characterized in that, the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client, comprises the following steps:
(6.1) whether the described described client of stream medium data distribution module judgement adds described multicast group;
(6.2) add described multicast group if judged result is described client, continue step (6.3), otherwise continue step (6.4);
(6.3) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client by the mode of multicast;
(6.4) the local Streaming Media signal that the described far-end Streaming Media signal that described stream medium data distribution module sends described front end drainage module or described local Streaming Media streams module send is sent to corresponding client by the mode of clean culture.
16. methods that realize adaptive stream media Play Control according to claim 10, is characterized in that, described front end drainage module comprises broadband control unit, between described step (4) and (5), comprise the following steps:
(4.1) described broadband control unit judges whether according to network bandwidth resources the Play Control instruction that the described signaling parsing module of response sends;
(4.2) if judged result is the Play Control instruction that the described signaling parsing module of response sends, continues step (5), otherwise return to above-mentioned steps (6).
17. methods that realize adaptive stream media Play Control according to claim 16, is characterized in that, in described stream medium data distribution module, have transcoding units, and described step (5.2) is afterwards, further comprising the steps of:
(4.3) whether the video resolution of the far-end Streaming Media signal described in described broadband control unit judgement is excessive;
(4.4) if judged result is that video resolution is excessive, continue step (5.5), otherwise continue step (6);
(4.5) enabled instruction is sent to described stream medium data distribution module by described broadband control unit.
18. methods that realize adaptive stream media Play Control according to claim 17, is characterized in that, between described step (5) and (6), comprise the following steps:
(5.1) described stream medium data distribution module judges whether the enabled instruction of receiving that described broadband control unit sends;
(5.2) if judged result is the enabled instruction of receiving that described broadband control unit sends, continue step (5.3), otherwise continue step (6);
(5.3) described stream medium data distribution module starts described transcoding units;
(5.4) video format of the far-end Streaming Media signal described in described transcoding units conversion.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658044A (en) * | 2016-12-30 | 2017-05-10 | Ut斯达康(深圳)技术有限公司 | Live broadcast method and device |
| CN107277644A (en) * | 2017-04-24 | 2017-10-20 | 太仓鸿策创达广告策划有限公司 | A kind of multimedia intelligent recognizes comparison system |
| CN107786467A (en) * | 2017-08-28 | 2018-03-09 | 深信服科技股份有限公司 | Drainage method, drainage system and the system of network data based on transparent deployment |
| CN107846628A (en) * | 2016-09-21 | 2018-03-27 | 法乐第(北京)网络科技有限公司 | Recommend the generation method and system of programme |
| CN107896336A (en) * | 2017-12-14 | 2018-04-10 | 玲珑视界科技（北京）有限公司 | A kind of system and method that DRM broadcasting agencies are carried out according to live type |
| CN108521609A (en) * | 2018-02-27 | 2018-09-11 | 北京达佳互联信息技术有限公司 | Determine the method, apparatus and terminal of pushing video type |
| CN109963203A (en) * | 2017-12-25 | 2019-07-02 | 中国移动通信集团福建有限公司 | Video flowing conversion and adaptive method for switching and device, equipment and medium |
| CN111654725A (en) * | 2019-03-04 | 2020-09-11 | 北京开广信息技术有限公司 | Real-time receiving method and client of media stream |
| CN112995707A (en) * | 2021-04-20 | 2021-06-18 | 北京小鸟科技股份有限公司 | System, method and equipment based on cross-network audio and video transcoding scheduling |
| CN114584538A (en) * | 2022-03-01 | 2022-06-03 | 北京智慧星光信息技术有限公司 | Mobile streaming media data transmission method, device and storage medium |
| CN115134337A (en) * | 2022-05-20 | 2022-09-30 | 安徽华速达电子科技有限公司 | Data transmission control method and system for industrial internet equipment in multiple scenes |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018325A (en) * | 2006-02-09 | 2007-08-15 | 中兴通讯股份有限公司 | A stream media service system and method based on the live broadcast program |
| CN101018268A (en) * | 2006-02-09 | 2007-08-15 | 中兴通讯股份有限公司 | A stream media service system and method based on the program source |
| CN101075888A (en) * | 2006-05-15 | 2007-11-21 | 中兴通讯股份有限公司 | System and method for realizing fluid medium advertisement |
| US20070271180A1 (en) * | 2006-05-26 | 2007-11-22 | Bochneak Daniel A | Multimedia content management system and method of coupling a sensor enabled medium to a network infrastructure |
| CN101090478A (en) * | 2006-06-12 | 2007-12-19 | 中国电信股份有限公司 | Request/live telecast switchover method, system, coorelation request method and set-top box |
| CN101146032A (en) * | 2007-09-21 | 2008-03-19 | 广州市聚晖电子科技有限公司 | A media streaming transmission bandwidth self-adapted method |
| EP2242212A2 (en) * | 2009-04-15 | 2010-10-20 | TV Mobili Limited | Digital Content Distribution System and Method |
| CN102595209A (en) * | 2012-01-19 | 2012-07-18 | 杭州华三通信技术有限公司 | Cross-domain on-demand method in video monitoring system and video management server |
-
2014
- 2014-07-02 CN CN201410313273.1A patent/CN104093088B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018325A (en) * | 2006-02-09 | 2007-08-15 | 中兴通讯股份有限公司 | A stream media service system and method based on the live broadcast program |
| CN101018268A (en) * | 2006-02-09 | 2007-08-15 | 中兴通讯股份有限公司 | A stream media service system and method based on the program source |
| CN101075888A (en) * | 2006-05-15 | 2007-11-21 | 中兴通讯股份有限公司 | System and method for realizing fluid medium advertisement |
| US20070271180A1 (en) * | 2006-05-26 | 2007-11-22 | Bochneak Daniel A | Multimedia content management system and method of coupling a sensor enabled medium to a network infrastructure |
| CN101090478A (en) * | 2006-06-12 | 2007-12-19 | 中国电信股份有限公司 | Request/live telecast switchover method, system, coorelation request method and set-top box |
| CN101146032A (en) * | 2007-09-21 | 2008-03-19 | 广州市聚晖电子科技有限公司 | A media streaming transmission bandwidth self-adapted method |
| EP2242212A2 (en) * | 2009-04-15 | 2010-10-20 | TV Mobili Limited | Digital Content Distribution System and Method |
| CN102595209A (en) * | 2012-01-19 | 2012-07-18 | 杭州华三通信技术有限公司 | Cross-domain on-demand method in video monitoring system and video management server |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846628A (en) * | 2016-09-21 | 2018-03-27 | 法乐第(北京)网络科技有限公司 | Recommend the generation method and system of programme |
| CN106658044A (en) * | 2016-12-30 | 2017-05-10 | Ut斯达康(深圳)技术有限公司 | Live broadcast method and device |
| CN107277644A (en) * | 2017-04-24 | 2017-10-20 | 太仓鸿策创达广告策划有限公司 | A kind of multimedia intelligent recognizes comparison system |
| CN107786467A (en) * | 2017-08-28 | 2018-03-09 | 深信服科技股份有限公司 | Drainage method, drainage system and the system of network data based on transparent deployment |
| CN107896336A (en) * | 2017-12-14 | 2018-04-10 | 玲珑视界科技（北京）有限公司 | A kind of system and method that DRM broadcasting agencies are carried out according to live type |
| CN109963203A (en) * | 2017-12-25 | 2019-07-02 | 中国移动通信集团福建有限公司 | Video flowing conversion and adaptive method for switching and device, equipment and medium |
| CN108521609B (en) * | 2018-02-27 | 2019-05-17 | 北京达佳互联信息技术有限公司 | Determine the method, apparatus and terminal of pushing video type |
| CN108521609A (en) * | 2018-02-27 | 2018-09-11 | 北京达佳互联信息技术有限公司 | Determine the method, apparatus and terminal of pushing video type |
| CN111654725A (en) * | 2019-03-04 | 2020-09-11 | 北京开广信息技术有限公司 | Real-time receiving method and client of media stream |
| CN111654725B (en) * | 2019-03-04 | 2021-12-21 | 北京开广信息技术有限公司 | Real-time receiving method and client of media stream |
| CN112995707A (en) * | 2021-04-20 | 2021-06-18 | 北京小鸟科技股份有限公司 | System, method and equipment based on cross-network audio and video transcoding scheduling |
| CN114584538A (en) * | 2022-03-01 | 2022-06-03 | 北京智慧星光信息技术有限公司 | Mobile streaming media data transmission method, device and storage medium |
| CN114584538B (en) * | 2022-03-01 | 2024-03-22 | 北京智慧星光信息技术股份有限公司 | Mobile streaming media data transmission method, device and storage medium |
| CN115134337A (en) * | 2022-05-20 | 2022-09-30 | 安徽华速达电子科技有限公司 | Data transmission control method and system for industrial internet equipment in multiple scenes |
| CN115134337B (en) * | 2022-05-20 | 2023-08-22 | 安徽华速达电子科技有限公司 | Industrial Internet equipment data transmission control method and system under multiple scenes |
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