CN101287095A - Implementing method and system for recorded broadcast service of stream media of meeting television - Google Patents
Implementing method and system for recorded broadcast service of stream media of meeting television Download PDFInfo
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- CN101287095A CN101287095A CNA2008100663803A CN200810066380A CN101287095A CN 101287095 A CN101287095 A CN 101287095A CN A2008100663803 A CNA2008100663803 A CN A2008100663803A CN 200810066380 A CN200810066380 A CN 200810066380A CN 101287095 A CN101287095 A CN 101287095A
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Abstract
The invention discloses a realization method of the stream media recording and broadcasting business of a conference TV and a system thereof, wherein, the method comprises the steps that: a transmission control protocol communication channel is established between a conference TV business management system and a stream media server so as to carry out message communication; the conference TV business management system opens/renews a channel by a stream media business interface so as to generate a channel session-description protocol document; the conference TV business management system is used for pushing the session-description protocol document to the steam media server and realizing the query and cancelling of program content and directory. By adopting the method of combining the stream media server, the realization method and the system disclosed by the invention can distribute the stream media server dynamically, exactly carry out the simulated management of the storing space of the stream media server in the conference TV business management system, and stop storing or start to store the stream media document dynamically, thus having a simple and stable realization method and being convenient for the integration and development of IPTV business.
Description
Technical field
The invention belongs to a kind of service implementation method and the system in video signal field, specifically, what relate to is a kind of business model implementation method and the system that realizes Streaming Media storage, live, program request in the video signal field.
Background technology
In the prior art, Streaming Media refers in Internet/Intranet strict in chronological sequence order transmission and the continuant play/look data flow, it has three characteristics: continuity (continuous), real-time (real-time), sequential (time-ordered) promptly have strict front and back sequential relationship.
The mode of downloading the back broadcast with traditional multimedia file is different, Streaming Media is not downloaded whole file before broadcast, only with behind the partial content buffer memory, streaming media data stream transmits at any time at any time and plays, and this stream transmission mode of downloading while playing makes the user needn't wait for that all data all download to the broadcast that audio frequency and video can be realized in this locality.And adopt different code check transmission, can make the user in the different network environments of tens Mbit/s high bandwidths, can both onlinely enjoy the audio/video program of higher quality continuously in tens kbit/s low bandwidth.
Streaming Media is as a kind of emerging network transmission technology, sequentially transmit and play the consecutive hours base data stream of content of multimedia such as video/audio on the internet in real time, stream media technology comprises multinomial technology such as stream medium data collection, video/audio encoding and decoding, storage, transmission, broadcast and network service.At present stream media technology is widely used in fields such as multimedia news briefing, online live, the web advertisement, ecommerce, video request program, long-distance education, tele-medicine, network radio station, real-time video meeting, it has enriched the form of expression of traditional internet content, and it is more recreational and interactive to have given broadband application.
IPTV is an IPTV, is a kind of broadband cabled television network that utilizes, and integrates multiple technologies such as the Internet, multimedia, communication, and the brand-new technology of the multiple interactive services that comprises Digital Television is provided to the domestic consumer.IPTV is as a kind of emerging broadband network business, more and more extensively pay attention to for industry, the product of this similar household digital platform of set-top boxes particularly, more telecom equipment manufacturers, television equipment manufacturer and computer and household appliances manufacturer fall over each other to pursue.
At present more domestic and international producers for the basic thought of the solution of recorded broadcast of session and program request are:
For recorded broadcast: recording and broadcasting system is linked in the TV conference system as terminal H.323, thereby the meeting content stores can be got off; For program request: ordinary terminal selects conference content to carry out program request (having utilized low rate channel LSD channel) by remote controller by calling out the IP address or the another name of recording and broadcasting system then.
Adopt the advantage of this scheme to be: and video conferencing combination very tight, avoided the conversion of media formats, can support arbitrarily H.323 terminal, double fluid also can well be supported.But also there is shortcoming: be linked in the TV conference system as terminal H.323 because this scheme is a recording and broadcasting system, utilize H.323 terminal that the meeting content is recorded and stored, it can not realization and the combination of IPTV, Streaming Media, also can't merge in the future with some business of IPTV, equally, this scheme can not be supported the access of set-top box.
Therefore, the above-mentioned recorded broadcast of session and the solution of program request since from IPTV, Streaming Media in conjunction with and the defective of supporting the access aspect of set-top box, limited its business development at aspects such as IPTV, Streaming Media, set-top box.
Thus, prior art has yet to be improved and developed.
Summary of the invention
The objective of the invention is to propose a kind of recorded broadcast service of stream media model implementation method and system of video conferencing, this recorded broadcast service of stream media model can combine with IPTV, Streaming Media, and and some business of IPTV merge, support the access of set-top box simultaneously.
Technical scheme of the present invention comprises:
A kind of implementation method of recorded broadcast service of stream media of video conferencing, it may further comprise the steps:
Set up the transmission control protocol channel between A, video conferencing service management system and the streaming media server, to carry out the message communication;
B, described video conferencing service management system open/new channel more by the streaming media service interface, generate channel Session Description Protocol file;
C, described video conferencing service management system are used for session is described document of agreement PUSH to streaming media server and realization programme content, program contents inquiry and deletion.
Described method, wherein, described step C also comprises:
C1, user initiate a recorded broadcast meeting, and the video conferencing service management system carries out the conferencing resource request and streaming media server distributes and the reservation operation of Streaming Media memory space, operate successfully then sending the meeting request to main control unit;
C2, when the video conferencing service management system is received the meeting acknowledgement message that described main control unit sends, the video conferencing service management system with the Session Description Protocol file PUSH that generates to described streaming media server.
Described method, wherein, described step C also comprises:
C3, described video conferencing service management system send and open channel request to described streaming media server, receive streaming media server open the success of channel response message the time, send and upgrade channel request to streaming media server;
C4, receive upgrade the success of channel response message after, send the beginning memory command to described streaming media server, when receiving beginning memory response success, the video conferencing service management system sends the medium control command to main control unit, begins to send stream medium data.
Described method, wherein, the user passes through the WEB page and initiates a recorded broadcast meeting among the described step C1.
Described method, wherein, the file transfer protocol (FTP) flow process is adopted in the PUSH operation among the described step C.
Described method, wherein, the real-time streaming protocol flow process is adopted in the PUSH operation among the described step C.
Described method, wherein, further comprising the steps of:
D, when meeting adjourned, described video conferencing service management system sends to main control unit and closes conference commands, receive described main control unit close meeting response message success after, the video conferencing service management system sends and closes channel request message to streaming media server;
E, receive described streaming media server close channel response message success after, send and stop to store request command to described streaming media server, receive streaming media server stop the success of memory response message after, finish this recorded broadcast meeting.
A kind of system that realizes the recorded broadcast service of stream media of video conferencing wherein, comprising: a main control unit that is used to control connects and accepts the control of described video conferencing service management system by network communication protocol; Described video conferencing service management system is also distinguished control connection one meeting television system and described streaming media server; Described TV conference system is control connection H323 terminal and Streaming Media client also; Described main control unit is control connection one H320/H323 ordinary terminal respectively, and H323 terminal and Streaming Media client; Realize the playback of recorded broadcast and video conferencing between described main control unit and the described streaming media server.
Described system, wherein, described main control unit is a microprocessor, described streaming media server is an IPTV streaming media server.
Described system, wherein, described IPTV streaming media server connects pc client, set-top box and H323 terminal and Streaming Media client respectively, to realize the live/program request/time-shifting function of IPTV client.
The implementation method of the recorded broadcast service of stream media of a kind of video conferencing provided by the present invention and system, owing to adopt the mode of finishing the interflow media server, can the dynamic assignment streaming media server, in the video conferencing service management system, accurately carry out the simulation management of streaming media server memory space, dynamically suspend or begin the storage of files in stream media; Utilize the live/vod server module of streaming media server, can and the video conference terminal of ordinary terminal (receive-only terminal), pc client or have/live/time-shifting function etc. effectively combine, it realizes simple and stable, has made things convenient for the fusion and the development of IPTV business.
Description of drawings
Fig. 1 is the PUSH operation realization flow figure of the employing FTP of the method for the invention and system;
Fig. 2 is the PUSH operation realization flow figure of the employing RTSP of the method for the invention and system;
Fig. 3 is that the ReadServer of the method for the invention and system realizes drop-down content submission process flow diagram;
Fig. 4 is that the content of the WriteServer server of the method for the invention and system after drop-down submitted process flow diagram to;
Fig. 5 is the programme content of the method for the invention and system, the deletion flow chart of program contents;
Fig. 6 is the content search Query primitive realization flow figure of the method for the invention and system;
Fig. 7 is the detail flowchart of the beginning recorded broadcast meeting of the method for the invention and system;
Fig. 8 is the detail flowchart of the end recorded broadcast meeting of the method for the invention and system;
Fig. 9 is that the detail flowchart of recorded broadcast meeting has been stored in the program request of the method for the invention and system;
Figure 10 is the system block diagram of the recorded broadcast service of stream media model of video conferencing of the present invention.
Embodiment
Below in conjunction with accompanying drawing, will be described in more detail each preferred embodiment of the present invention.
The implementation method of the recorded broadcast service of stream media of this video conferencing and system relate to the Streaming Media storage of conference content in the TV conference system, live, the several main links of program request, the system block diagram of the recorded broadcast service of stream media model of its video conferencing is shown in Figure 10 referring to accompanying drawing, and wherein each interface specification is as follows:
F interface: by this interface, main control unit is that microprocessor MCU directly exports MEG4 ISMA or H264 TS stream, and AAC/MP3/MP2/MP1 is to streaming media server;
G interface: IPTV client and the mutual interface of EPG standard;
H interface: the IPTV client is live/interface of program request/time shift etc.;
The I interface: the video conferencing service management system is directly upgraded the interface of TV conference system EPG;
The J interface: the video conferencing service management system realizes the open interface that the IPTV streaming media server provides;
The K interface: the interface of playback stream media server content comprises that RTSP signaling interface and medium receive transmission.
Heavy line has been represented Media Stream; Fine line has been represented control messages; Dotted line has been represented the video conference terminal realization.
In the system of the recorded broadcast service of stream media of video conferencing of the present invention as shown in figure 10, comprise a microprocessor MCU who is used to control, connect and accept the control of described video conferencing service management system by C interface by network communication protocol, described video conferencing service management system is also by I interface and J interface described TV conference system EPG of control connection and described IPTV streaming media server respectively.Described TV conference system EPG also connects and control pc client and set-top box by G interface, carries out the realization of video conference terminal by G interface, control connection H323 terminal and Streaming Media client; Described microprocessor MCU has controlled the H320/H323 ordinary terminal respectively by E interface, and H323 terminal and Streaming Media client.Described microprocessor MCU by and described IPTV streaming media server between the F interface Media Stream realized recorded broadcast; Realized the playback function of video conferencing by K interface Media Stream.Described IPTV streaming media server connects described pc client, set-top box and H323 terminal and Streaming Media client respectively by H interface simultaneously, to realize the live/functions such as program request/time shift of IPTV client.
The Streaming Media recorded broadcast implementation procedure of video conferencing content comprises in the inventive method and the system:
(1), the video conferencing service management system realizes following functional interface:
1), with the communication interface of streaming media server.Set up TCP (transmission control protocol) channel between video conferencing service management system and the streaming media server in order to be implemented in, to carry out the message communication.
2), content-management interface.Be used for SDP (Session Description Protocol) file PUSH to functions such as streaming media server and realization programme content, program contents inquiry and deletions.
3), streaming media service interface.Is used to open/new channel more, generates the channel SDP file, and streaming media server receives code stream by the SDP file form of coding source from encoder, and can store, unloading becomes media file, for client live/program request/time diverts from one use to another.
(2), require function corresponding interfaces such as the following channel of streaming media server realization is relevant, storage is relevant, playing programs is relevant, video conferencing service management system realization calling accordingly to these interfaces:
1), open channel request, open channel response, upgrade channel request, upgrade channel response, close channel request, close channel response.
2), storage begins request, storage and begins response, storage ending request, storage and finish that response, unloading file request, the response of unloading file, the request of the unloading end of file, the unloading end of file respond, playing programs is inquired about, the playing programs inquiry response.
Video conferencing service management system of the present invention and streaming media server are set up the process that TCP is connected and are comprised:
Video conferencing service management system of the present invention, such as: the SM[business management system] or the CSS[conference dispatching system] etc., in order to realize carrying out the storage of conference content, the purpose of live, program request, just need between video conferencing service management system and streaming media server, connect by streaming media server; After connecting between them, communication generally sends and receives by a communication interface module each other, this communication interface module is present on the streaming media server, as the Signalling exchange communication relay layer between streaming media server and the video conferencing service management system, its effect is: transmit to message receiver after reception communication message initiator's the message.
Video conferencing service management system of the present invention realizes that the process of streaming media server content-management interface comprises:
(1), PUSH operations flows media server realization flow:
The PUSH operation can comprise adopts FTP (file transfer protocol (FTP), File Transfer Protocol) PUSH operation, also can comprise and adopt RTSP agreement (real-time streaming protocol, Real Time StreamingProtocol) PUSH operation, the PUSH operation can realize the operation of the shared hard disk of network simultaneously.Wherein, File Transfer Protocol and RTSP protocol requirement can the control transmission bandwidth, and the RTSP agreement can realize the distribution and the scheduling of media file partial programme.
Adopt the PUSH operation realization flow of FTP, idiographic flow as shown in Figure 1, CDN Agent (Content Delivery Network, i.e. content distributing network) sends Push to WriteServer and replys (PushRsp); Described WriteServer is receiving that this request back feedback Push replys (PushRsp), and and the upper layer node source between according to parameter, determine to adopt FTP transmission request, and correspondingly connect power supply by described upper strata and carry out file transfer and give described WriteServer; Described WriteServer control is to storage device, it is the file storage operation of disk array, and to described CDN Agent transmission Push end report (PushEndReq), (PushEndRsp) replied in described CDN Agent feedback Push end after receiving this report;
Adopt the PUSH operation realization flow of RTSP, idiographic flow as shown in Figure 2, CDN Agent (Content Delivery Network, i.e. content distributing network) sends Push to WriteServer and replys (PushRsp); Described WriteServer is receiving that this request back feedback Push replys (PushRsp), and with the upper strata load-balanced server according to parameter, adopt RTSP to carry out some or all of duration content scheduling,, then directly carry out RTSP and pass down if the URL in the Push primitive is the URL of streaming media server; If the URL of partial load equilibrium then is redirected to corresponding streaming media server by RTSP; Be redirected the back and send RTSP stream to described WriteServer; Described WriteServer control is to storage device, it is the file storage operation of disk array, and to described CDN Agent transmission Push end report (PushEndReq), (PushEndRsp) replied in described CDN Agent feedback Push end after receiving this report.
(2), content is submitted realization flow to:
Content submits to realization flow to finish the process that the burst content of content behind the drop-down PULL of streaming media server is submitted to the disk array shared library; It is divided into two processes, is respectively the submission process that streaming media server is realized drop-down content submission process and the drop-down back of Push Server server content.
ReadServer realizes drop-down content submission process flow diagram as shown in Figure 3, and it comprises following process: at first ReadServer obtains the URL of higher level's streaming media server according to configuration when the STB request program; Then, by RTSP to upper stream media server request streaming media service; The upper stream media server is given ReadServer by the RTP media stream; This ReadServer carries out file fragmentation with the Media Stream of receiving and stores in the local disk, send content to CDN Agent then and submit request (SubmitReq) to, feedback content was submitted to and is replied (SubmitRsp) after this CDN Agent received, and sent Push request (PushReq) to WriteServer; This WriteServer receives that back feedback Push replys (PushRsp) and gives CDN Agent, and copies slicing files by network to described local disk, writes the shared medium storehouse in the described disk array; Send Push to described CDN Agent after described WriteServer finishes and finish to report (PushEndReq), described CDN Agent is receiving that this report back feedback Push finishes to reply (PushEndRsp), and finishes to report (SubmitEndReq) to the submission of described ReadServer transmission content; Described ReadServer receives after this content submits to end to report (SubmitEndReq) and finishes to reply (SubmitEndRsp) to described CDN Agent feedback content submission, and deletes the corresponding slicing files in the local disk.
The submission process flow diagram of the drop-down back of WriteServer server content as shown in Figure 4, comprise following flow process: at first WriteServer is when the STB request program, obtain the URL of higher level's streaming media server according to configuration, and ask streaming media service to the corresponding upper streaming media server by RTSP, described upper stream media server by RTP to this WriteServer media stream; Described WriteServer receives that the laggard style of writing part of this Media Stream burst stores in the local disk, and sends content submission request (SubmitReq) to CDNAgent, and feedback content was submitted to and replied (SubmitRsp) after this CDN Agent received; Described WriteServer is the local slicing files of copy from described local disk then, and is written in the shared medium storehouse in the disk array; Sending content by described CDN Agent to described WriteServer after finishing submits to end to report (SubmitEndReq); Described WriteServer receives after this content submits to end to report (SubmitEndReq) and finishes to reply (SubmitEndRsp) to described CDN Agent feedback content submission, and deletes the corresponding slicing files in the local disk.
(3), the deletion realization flow of programme content, program contents:
The deletion realization flow figure of programme content, program contents is shown in figure five, and it comprises step:
Described video conferencing service management system sends removal request (DeleteReq) to WriteServer, (DeleteRsp) replied in the feedback deletion after described WriteServer received, and control is according to deletion strategy, delete file or catalogue in the described disk array, send deletion to described video conferencing service management system then and finish to report (DeleteEndReq), finish to reply (DeleteEndRsp) to the deletion of WriteServer feedback after receiving by described video conferencing service management system.
(4), content search realization flow:
Be used for realizing the content search to the shared disk space, it comprises directory, file polling etc.; Realization flow figure as shown in Figure 6, it comprises step:
Described video conferencing service management system sends query requests (QueryReq) to described WriteServer, described WriteServer receives the inquiry of back execution to the shared medium library information in the described disk array, and replys (QueryRsp) to described video conferencing service management system feedback query.
In the inventive method and the system, described video conferencing service management system realizes that streaming media server business interface function is: the storage of video conferencing in order to discuss content in the enterprising guild of streaming media server, in order to allow ordinary terminal (receive-only terminal), files in stream media on the live or program request streaming media server of the video conference terminal of pc client or have/live/time-shifting function, streaming media server must be realized the channel relevant interface, the playing programs relevant interface, media file storage relevant interface etc., and the video conferencing service management system must realize calling these interfaces.
The process of holding/finishing the recorded broadcast meeting in the inventive method below is described:
In TV conference system, meeting can be divided into three kinds according to whether storing meeting: do not store meeting; Manually storage meeting; Automatically storage meeting.Not storing meeting is exactly common meeting, does not carry out the storage of conference content; Manually the storage meeting is with the difference between the storage meeting automatically, manually stores meeting and is meeting and begin successfully when the back is begun to store by user's decision, stores the storage mode that carries out conference content after meeting then is used in meeting and begins successfully automatically automatically.
At first, hold the recorded broadcast meeting
The user clicks the beginning conference button, as shown in Figure 7 after what a the recorded broadcast meeting of WEB page configuration; At this moment, the video conferencing service management system carries out the conferencing resource request and streaming media server distributes and the reservation operation of Streaming Media memory space, operating successfully, the back sends the meeting request to MC/MP (main control unit), after the video conferencing service management system is received the meeting acknowledgement message that MC/MP sends, the video conferencing service management system with the SDP file PUSH that generates to streaming media server, send then and open channel request to streaming media server, receive streaming media server open channel response message success after, send and upgrade channel request to streaming media server; After receiving the success of renewal channel response message, send the beginning memory command to streaming media server, after receiving beginning memory response success, the video conferencing service management system sends medium control commands (beginning to send media data) to MC/MP, after receiving the medium control command, begin to send media data to streaming media server by MC/MP, at this moment, complete successfully holding of a recorded broadcast meeting.
For the meeting of manual storage, the video conferencing service management system just sends the order begin to store to streaming media server after the user clicks the beginning store button, and other flow process is with automatic to store meeting identical.
Finish the recorded broadcast meeting
When meeting adjourned time is up or the user when the WEB page shifts to an earlier date closing session, as shown in Figure 8, the video conferencing service management system sends to MC/MP and closes conference commands, receive MC/MP close meeting response message success after, the video conferencing service management system sends and closes channel request message to streaming media server, receive streaming media server close channel response message success after, transmission stops to store request command to streaming media server, receive streaming media server stop memory response message success after, the recorded broadcast meeting just is through with.
During the live meeting of holding of the present invention, utilize the direct broadcast server module of streaming media server, the video conference terminal of ordinary terminal (receive-only terminal), pc client or have/live/time-shifting function can be watched the meeting of holding, and promptly can use the direct broadcast function of streaming media server.
Perhaps, the recorded broadcast meeting that program request has been stored, the video conferencing content that the recorded broadcast meeting stores can be watched by pc client and the video conference terminal with multicast function, and can rewind down, F.F., time-out, positioning playing, stop functions such as broadcast.
When holding the recorded broadcast meeting, the video conferencing service management system can be with the IP address of used streaming media server in the current meeting of holding, and is stored in files in stream media name corresponding on the streaming media server and preserves.The address of the files in stream media of some correspondence sowing time is exactly: rtsp: // streaming media server address/the be stored in files in stream media name on the streaming media server.
The idiographic flow of program request as shown in Figure 9, for: pc client (as set-top box) is by the visit EPG page (electronic program guidance system--Electronic Program Guide), generating the list of conference of having stored by the video conferencing service management system is presented in the EPG page then, the user can select a meeting to carry out program request in pc client, at this moment, carry out the playing stream media file by rtsp above-mentioned address in the streaming media server, like this, just finished the program request flow process of stored stream media file.
In the implementation method and system of recorded broadcast service of stream media of the present invention, set-top box can be passed through the recorded broadcast meeting that the program request of the EPG page has been stored, and the business of IPTV has, and quite most also combines with set-top box; Functions such as files in stream media storage in this recorded broadcast service of stream media model equally,, live, program request are all finished on streaming media server.Therefore recorded broadcast service of stream media implementation method of the present invention and system can combine with IPTV, Streaming Media, support the access of set-top box.
Now hypothesis is held automatically a storage or the manually recorded broadcast meeting of storage, and the idiographic flow of holding the recorded broadcast meeting may further comprise the steps as shown in Figure 7:
(1), conferencing resource request
End message all in the meeting (video capability, audio capability, speed) is issued MC/MP, be transmitted to RMS (resource management system) by MC/MP and carry out the reservation of conferencing resource, have only under the situation of the enough format time meetings of conferencing resource, the conferencing resource request could be successful, otherwise meeting is closed in the meeting failure.
(2), distribute streaming media server
Distribute a streaming media server that is in connection status and free memory maximum by the video conferencing service management system, carry out the streaming media server of conference content storage during holding as this meeting.
(3), carry out the reservation of Streaming Media memory space
After the video conferencing service management system has been distributed a streaming media server, also need carry out the reservation of Streaming Media memory space, whether enough store the content of this meeting with checking Streaming Media free memory.Have only when the required memory space of this conferencing streams media store during smaller or equal to the free memory of streaming media server reality, holding the recorded broadcast meeting could success, otherwise meeting is closed in the meeting failure.
(4), carry out the operation of freezing of Streaming Media free memory
Enough store after the content of this meeting in space on having verified streaming media server, also need carry out the simulation of Streaming Media free memory and freeze operation, promptly in the video conferencing service management system, carry out the simulation bookkeeping of Streaming Media memory space, carry out the checking of streaming media server space reservation when holding, when holding the recorded broadcast meeting, needing can avoid streaming media server that free memory information is reported the video conferencing service management system like this with convenient next meeting.
The required memory space of this conferencing streams media store that operation is calculated according to above-mentioned steps (3) is freezed in simulation, comes the free memory field in the streaming media server allocation list corresponding in the new database more.Hold the recorded broadcast meeting next time, carry out Streaming Media free memory when reservation, just the free memory of streaming media server calculates so that meeting adjourned specifically.
(5), send the meeting request to MC/MP
After the reservation of streaming media server distribution and Streaming Media memory space completes successfully, send the meeting request by the video conferencing service management system to MC/MP, handle this meeting request by MC/MP, and reply the meeting acknowledgement message for the video conferencing service management system, otherwise the meeting failure is also closed meeting.
(6), receive that carrying out corresponding streaming media service after the meeting acknowledgement message is successfully operates:
1), the SDP file PUSH that meeting television services management system is generated (by FTP or RTSP agreement) to the streaming media server that distributes.
2), after the PUSH SDP file success, send to streaming media server and to open channel request message, otherwise close meeting.
3), the receiving stream media server is opened channel response message.
4), open channel response message success after, send to streaming media server and to upgrade channel request message, otherwise close meeting.
5), receiving stream media server update channel response message.
6), upgrade the success of channel response message after, send the beginning memory command to streaming media server, otherwise close meeting.
7), the receiving stream media server begins memory response message.
8), after the success of beginning memory response message, send the medium control command to MC/MP, otherwise close meeting.
9), MC/MP receive send the medium control command after, begin to send media data to streaming media server.
(7), after aforesaid operations all finishes, the recorded broadcast meeting begins successfully, the storage and the meeting that begin to carry out conference content are live
When the time of meeting to or user when shifting to an earlier date closing session (clicking the closing session button) at the meeting control page, at this moment, the recorded broadcast meeting of holding will be closed, and as shown in Figure 8, need carry out following business function operation this moment:
(1), sends the closing session request to main control unit MC/MP.
(2), receive MC/MP closing session response message success after, send to streaming media server and to close channel request message.
(3), by receiving that streaming media server closes channel response message.
(4), close channel response message success after, send to streaming media server and to stop to store request message.
(5), accept streaming media server and stop memory response message.
(6), receive stop the success of memory response message after, this recorded broadcast meeting that just is through with, streaming media server stops to store the content of this meeting simultaneously.
(7), carry out the operation of thawing of Streaming Media memory space.When the user shifts to an earlier date closing session, carry out between storage duration that Streaming Media free space reservation is used to calculate and the actual storage duration difference being arranged when holding the recorded broadcast meeting, the operation of must the memory space that this part difference is shared thawing.
Adopt recorded broadcast service of stream media implementation method of the present invention and system, can closely combine with streaming media server effectively, can the dynamic assignment streaming media server, the simulation management of streaming media server memory space can be in the video conferencing service management system, accurately carried out, the storage of files in stream media can be dynamically suspended or begin; Utilize the live/vod server module of streaming media server, can and the video conference terminal of ordinary terminal (receive-only terminal), pc client or have/live/time-shifting function etc. effectively combine, it is realized simple and stablizes, for progradation has been played in the fusion and the development of IPTV business.
Should be understood that that specific description of embodiments of the present invention is comparatively concrete for above-mentioned pin, can not therefore think restriction scope of patent protection of the present invention; Scope of patent protection of the present invention should be as the criterion with claims.
Claims (10)
1, a kind of implementation method of recorded broadcast service of stream media of video conferencing, it may further comprise the steps:
Set up the transmission control protocol channel between A, video conferencing service management system and the streaming media server, to carry out the message communication;
B, described video conferencing service management system open/new channel more by the streaming media service interface, generate channel Session Description Protocol file;
C, described video conferencing service management system are used for session is described document of agreement PUSH to streaming media server and realization programme content, program contents inquiry and deletion.
2, method according to claim 1 is characterized in that, described step C also comprises:
C1, user initiate a recorded broadcast meeting, and the video conferencing service management system carries out the conferencing resource request and streaming media server distributes and the reservation operation of Streaming Media memory space, operate successfully then sending the meeting request to main control unit;
C2, when the video conferencing service management system is received the meeting acknowledgement message that described main control unit sends, the video conferencing service management system with the Session Description Protocol file PUSH that generates to described streaming media server.
3, method according to claim 2 is characterized in that, described step C also comprises:
C3, described video conferencing service management system send and open channel request to described streaming media server, receive streaming media server open the success of channel response message the time, send and upgrade channel request to streaming media server;
C4, receive upgrade the success of channel response message after, send the beginning memory command to described streaming media server, when receiving beginning memory response success, the video conferencing service management system sends the medium control command to main control unit, begins to send stream medium data.
4, method according to claim 2 is characterized in that, the user passes through the WEB page and initiates a recorded broadcast meeting among the described step C1.
5, method according to claim 1 is characterized in that, the file transfer protocol (FTP) flow process is adopted in the PUSH operation among the described step C.
6, method according to claim 1 is characterized in that, the real-time streaming protocol flow process is adopted in the PUSH operation among the described step C.
7, method according to claim 1 is characterized in that, and is further comprising the steps of:
D, when meeting adjourned, described video conferencing service management system sends to main control unit and closes conference commands, receive described main control unit close meeting response message success after, the video conferencing service management system sends and closes channel request message to streaming media server;
E, receive described streaming media server close channel response message success after, send and stop to store request command to described streaming media server, receive streaming media server stop the success of memory response message after, finish this recorded broadcast meeting.
8, a kind of system that realizes the recorded broadcast service of stream media of video conferencing is characterized in that, comprising: a main control unit that is used to control connects and accepts the control of described video conferencing service management system by network communication protocol; Described video conferencing service management system is also distinguished control connection one meeting television system and described streaming media server; Described TV conference system is control connection H323 terminal and Streaming Media client also; Described main control unit is control connection one H320/H323 ordinary terminal respectively, and H323 terminal and Streaming Media client; Realize the playback of recorded broadcast and video conferencing between described main control unit and the described streaming media server.
9, system according to claim 8 is characterized in that, described main control unit is a microprocessor, and described streaming media server is an IPTV streaming media server.
10, system according to claim 9 is characterized in that, described IPTV streaming media server connects pc client, set-top box and H323 terminal and Streaming Media client respectively, to realize the live/program request/time-shifting function of IPTV client.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102006195A (en) * | 2010-12-03 | 2011-04-06 | 深圳市同洲电子股份有限公司 | Network management equipment and network management method |
| CN104506924A (en) * | 2014-12-23 | 2015-04-08 | 成都德芯数字科技有限公司 | High-integration-level IPTV (Internet Protocol Television) system and working method thereof |
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- 2008-03-28 CN CN2008100663803A patent/CN101287095B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102006195A (en) * | 2010-12-03 | 2011-04-06 | 深圳市同洲电子股份有限公司 | Network management equipment and network management method |
| CN102006195B (en) * | 2010-12-03 | 2012-10-24 | 深圳市龙视传媒有限公司 | Network management equipment and network management method |
| CN104767961A (en) * | 2014-01-03 | 2015-07-08 | 中国电信股份有限公司 | Method and system for implementing video session |
| CN104506924A (en) * | 2014-12-23 | 2015-04-08 | 成都德芯数字科技有限公司 | High-integration-level IPTV (Internet Protocol Television) system and working method thereof |
| CN105554431A (en) * | 2016-02-17 | 2016-05-04 | 努比亚技术有限公司 | Video call recording method, device and system |
| WO2017173966A1 (en) * | 2016-04-05 | 2017-10-12 | 中兴通讯股份有限公司 | Recording control method and device |
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| CN109859013A (en) * | 2019-02-13 | 2019-06-07 | 安徽大尺度网络传媒有限公司 | A kind of Mobile new media shared service system |
| CN110198478A (en) * | 2019-05-10 | 2019-09-03 | 广州视源电子科技股份有限公司 | Interaction recorded broadcast method, system, client, device, equipment and storage medium |
| CN112953899A (en) * | 2021-01-26 | 2021-06-11 | 四川天翼网络服务有限公司 | Streaming media distribution system and method supporting multi-audio video streaming protocol |
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