CN100542268C - Network television broadcast charging method - Google Patents
Network television broadcast charging method Download PDFInfo
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- CN100542268C CN100542268C CNB2007102014437A CN200710201443A CN100542268C CN 100542268 C CN100542268 C CN 100542268C CN B2007102014437 A CNB2007102014437 A CN B2007102014437A CN 200710201443 A CN200710201443 A CN 200710201443A CN 100542268 C CN100542268 C CN 100542268C
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Abstract
The present invention relates to a kind of flow media communication method.The present invention overcomes at present the shortcoming that can't charge by duration to netcast, a kind of network television broadcast charging method is proposed, may further comprise the steps: a, stream media terminal use Session Initiation Protocol to send conversation initialization message, carry out session negotiation, make stream media terminal and streaming media server set up session; The Media Stream of the Real-time Transport Protocol carrying that b, stream media terminal receiving stream media server transmit, and carry out Web TV and play; C, stream media terminal use Session Initiation Protocol to send end session message, and Web TV is play and finished; The Session Initiation Protocol stack statistics whole session settling time and the concluding time of d, stream media terminal and streaming media server.E, streaming media server are sent to the charge subsystem of streaming media server rear end with reproduction time, and charge subsystem is pressed the length of reproduction time and chargeed.The present invention can calculate the Web TV reproduction time, and feasible the charging by playing duration becomes possibility.
Description
Technical field
The present invention relates to the network communications technology, be specifically related to a kind of flow media communication method.
Background technology
In recent years, along with the development of technology, various communication networks are day by day popularized.The trend that simultaneous 3C merges, communication service diversification, the integrated main trend that becomes.
Network TV IPTV becomes a kind of important way of simulated television to the Digital Television conversion on the one hand, and multi-media communication technology on the other hand also progressively replaces traditional PSTN mechanics of communication.Because the fusion of technology, in the operation system that operator provides, multimedia emerging system often both provided the multi-media communication business based on H.323/SIP, and the IPTV business is provided again.
At present in stream media system (comprising the multimedia emerging system), because the RTSP (real-time stream media protocol that the IPTV business is adopted, Real Time Streaming Protocol) streaming media playing is controlled, can't the netcast duration of reality accurately be calculated, therefore the charging of IPTV business often can only be adopted monthly payment or set meal form, can't charge according to progress row actual time.Like this, be subjected to the restriction of charging way, the selectable rate mode of consumer is very limited.
At this moment, provide the method for the Web TV streaming media service being carried out periodic metering, just seem necessary.As want periodic metering, adding up reproduction time so is exactly the problem that must solve.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the RTSP agreement that present IPTV business adopted streaming media playing is controlled, and the shortcoming that can't charge by the netcast duration of reality provides a kind of network television broadcast charging method.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be, network television broadcast charging method is characterized in that, may further comprise the steps:
A, stream media terminal use Session Initiation Protocol to send conversation initialization message, carry out session negotiation, make stream media terminal and streaming media server set up session;
Include the port information of stream media terminal receiving media stream in the described conversation initialization message;
The Media Stream of the Real-time Transport Protocol carrying that b, stream media terminal receiving stream media server transmit, and carry out Web TV and play;
C, stream media terminal use Session Initiation Protocol to send end session message, and Web TV is play and finished;
The Session Initiation Protocol stack statistics whole session settling time and the concluding time of d, stream media terminal and streaming media server obtain reproduction time;
E, streaming media server are sent to the charge subsystem of streaming media server rear end with reproduction time, and charge subsystem is pressed the length of reproduction time and chargeed.
Further, be added with a field in the described conversation initialization message of step a, this field is used for representing that the stream media terminal that sends this conversation initialization message receives only Media Stream at media session, and does not send Media Stream.
The invention has the beneficial effects as follows, the streaming media playing flow process is improved that can calculate reproduction time, the feasible charging by playing duration becomes possibility by adopting SIP control.Thereby increase the diversity of streaming media service charging way, effectively improve user's alternative, promote the competitiveness of service product.
The present invention is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is traditional streaming media communication flow chart;
Fig. 2 is an IPTV broadcast charging method flow chart of the present invention.
Embodiment
As shown in Figure 1, description is the flow process that RTSP agreement that traditional IPTV business is adopted is controlled streaming media communication:
(1) stream media terminal sends RTSP/SDP (Dsecribe) message to streaming media server, is used for describing the relevant information of medium to streaming media server;
(2) streaming media server sends RTSP/SDP (Reply:OK) message, confirms the stream of reply media termination;
(3) stream media terminal sends RTSP to streaming media server (request is set up audio frequency and connected for Setup, Audio) message;
(4) streaming media server sends RTSP (Reply:OK) message, confirms the stream of reply media termination;
(5) stream media terminal sends RTSP to streaming media server (request is set up video and connected for Setup, Video) message;
(6) streaming media server sends RTSP (Reply:OK) message, confirms the stream of reply media termination;
(7) stream media terminal sends RTSP (Play) message to streaming media server, and the request streaming media server is to the stream media terminal media stream;
(8) streaming media server sends RTSP (Reply:OK) message, confirms the stream of reply media termination, plays beginning;
(9), (10) streaming media server to the stream media terminal media stream, promptly sends RTP (Audio) audio stream and RTP (Video) video flowing to stream media terminal by Real-time Transport Protocol;
(11) streaming media server and terminal both sides provide the flow control and the congested control of media flow transmission by mutual rtcp protocol;
(12) stream media terminal sends RTSP (Teardown) message to streaming media server, and request disconnects and connecting, and finishes to play;
(13) streaming media server sends RTSP (Reply:OK) message, confirms the stream of reply media termination, plays and finishes.
Step (1) to (8) is the RTSP control signalling interactive process before playing; Step (9) to (11) is the Streaming Media distribution and control in the playing process, mainly adopts RTP (RTP) and RTCP (RTCP Real-time Transport Control Protocol); (12), (13) step is the RTSP control signalling interactive process of playing when finishing.
Owing to RTSP design itself, the RTSP control signaling when playing preceding and broadcast end is not set up and is got in touch, and can't accurately add up playing duration information.
SIP (session initiation protocol, Session Initiation Protocol) does not define the type of the session that will set up, and definition managing conversation how only makes SIP can carry multiple application.Service based on SIP at present has local telephone network and IP phone, multimedia conferencing etc.
The RTSP agreement that the IPTV business is adopted is controlled streaming media playing, can't the netcast duration of reality accurately be calculated, and the automatic recording conversation time of Session Initiation Protocol stack energy, and can carrying media stream business.The present invention by traditional streaming media communication is improved, provides a kind of IPTV broadcast charging method formally according to this principle.
Embodiment
As shown in Figure 2, description be traditional streaming media communication to be improved through the present invention, and the IPTV broadcast charging method that proposes: with the control signaling of playing when finishing, changed SIP into before playing by RTSP; Correspondingly, disposed a Session Initiation Protocol stack in end side and server end, in order to sending and to resolve Session Initiation Protocol, and this protocol stack only need be supported basic agreement part, does not need to support the various Extended Protocols of SIP.Because Session Initiation Protocol is a kind of multimedia communication protocol, its design philosophy itself just can be finished the statistical function of media session duration.The idiographic flow of IPTV broadcast charging method is as follows:
(1) stream media terminal sends SIP/SDP (Dsecribe) message to streaming media server, and promptly conversation initialization message is carried out session negotiation, and request is set up session with streaming media server;
In order to call out difference mutually with the SIP/SDP of standard, SDP (Session Description Protocol) part of the present invention in SIP/SDP calls out, field ReceiveOnly of special interpolation, the entity that the SDP message of carrying this field is sent in expression receives only Media Stream in media session, and can not send Media Stream; In addition, in SDP message, can transmit the media formats that terminal can be supported, this point is consistent with the SDP form in the standard SIP multi-media communication, need not special modification.Correspondingly, to the multi-media communication subsystem in the multimedia emerging system, should partly add the SendAndReceive field at the SDP during SIP/SDP calls out, expression possesses the standard multimedia communication function, energy bidirectional transmit-receive Media Stream;
In the flow media session process based on RTSP, the port that terminal receives audio-video frequency media stream is to specify in RTSP (Setup) message; And in the flow media session process based on SIP, the port that terminal receives audio-video frequency media stream is to specify in the conversation initialization message, and this has utilized the characteristics of SDP message equally fully, does not need to do special transformation;
(2) the streaming media service end sends SIP (100 Trying) message to stream media terminal, the notification streams media termination, and service end has been received the SIP/SDP call request, but still is untreated;
(3) the streaming media service end sends SIP (180 Ringing) message to stream media terminal, the notification streams media termination, and streaming media service is rectified in the SIP/SDP call request of handling stream media terminal;
(4) service end is sent SIP/SDP (200OK) message to terminal, and notification streams media termination, streaming media service end are confirmed and can be issued that it is asked, as to meet its audio frequency and video call format Media Stream to stream media terminal;
(5) stream media terminal is beamed back SIP (ACK) message to service end, and SIP/SDP (200OK) message of streaming media service end has been received in expression;
(6) distribution of the Streaming Media to (8) playing process and control, in fact and indifference its process is compared with the flow media session process based on RTSP;
When (9) user's EO was play, stream media terminal sent SIP (Bye) message to the streaming media service end, and application finishes flow media session;
(10) the streaming media service end returns SIP (200OK) message to stream media terminal, agrees user's end application, and the corresponding socket of each self closing of terminal and service end finishes flow media session;
(11) the Session Initiation Protocol stack of stream media terminal and streaming media service end all can be added up the settling time and the concluding time of whole session automatically, draws the actual media play time;
(12) the streaming media service end combines with the charge subsystem of rear end, user's Media Stream is play carried out chargeing by reproduction time length, also can be converted into cost of the phone call by preassigned proportionate relationship, carries out integrated charging with the multimedia conversation.
Claims (3)
1. a network television broadcast charging method is characterized in that, may further comprise the steps:
A, stream media terminal use Session Initiation Protocol to send conversation initialization message, carry out session negotiation, make stream media terminal and streaming media server set up session;
Include the port information of stream media terminal receiving media stream in the described conversation initialization message;
The Media Stream of the Real-time Transport Protocol carrying that b, stream media terminal receiving stream media server transmit, and carry out Web TV and play;
C, stream media terminal use Session Initiation Protocol to send end session message, and Web TV is play and finished;
The Session Initiation Protocol stack statistics whole session settling time and the concluding time of d, stream media terminal and streaming media server obtain reproduction time;
E, streaming media server are sent to the charge subsystem of streaming media server rear end with reproduction time, and charge subsystem is pressed the length of reproduction time and chargeed.
2. network television broadcast charging method according to claim 1 is characterized in that be added with a field in the described conversation initialization message, this field is used for representing that the stream media terminal that sends this conversation initialization message receives only Media Stream at media session.
3. as network television broadcast charging method as described in the claim 2, it is characterized in that described charge subsystem is converted into the multimedia cost of the phone call with the length of reproduction time by preassigned proportionate relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007102014437A CN100542268C (en) | 2007-08-23 | 2007-08-23 | Network television broadcast charging method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007102014437A CN100542268C (en) | 2007-08-23 | 2007-08-23 | Network television broadcast charging method |
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| CN101119473A CN101119473A (en) | 2008-02-06 |
| CN100542268C true CN100542268C (en) | 2009-09-16 |
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| CNB2007102014437A Expired - Fee Related CN100542268C (en) | 2007-08-23 | 2007-08-23 | Network television broadcast charging method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102833597B (en) * | 2012-07-04 | 2016-03-30 | 合一网络技术(北京)有限公司 | A kind of Internet video distribution flow amount control system of Corpus--based Method and method |
| CN107948680A (en) * | 2017-12-01 | 2018-04-20 | 广东九联科技股份有限公司 | A kind of real time billing charging method of set-top box |
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