CN101404753A - Control method, apparatus and system for demanding service - Google Patents
Control method, apparatus and system for demanding service Download PDFInfo
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- CN101404753A CN101404753A CNA2008102169748A CN200810216974A CN101404753A CN 101404753 A CN101404753 A CN 101404753A CN A2008102169748 A CNA2008102169748 A CN A2008102169748A CN 200810216974 A CN200810216974 A CN 200810216974A CN 101404753 A CN101404753 A CN 101404753A
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- control strategy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/47805—Electronic banking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/47815—Electronic shopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Telephonic Communication Services (AREA)
Abstract
The embodiment of the invention provides a control method of an on-demand service, and a device and a system thereof, and can control a media operation request according to a control strategy of the on-demand service. The control method comprises the following steps: the control strategy of the on-demand service is obtained; the obtained control strategy is sent to a control implementation unit, so as to cause the control implementation unit to control the on-demand service according to the control strategy. The invention can control the media operation request according to the control strategy of the on-demand service, thus effectively controlling the operation on the media.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of control method, Apparatus and system of demand (telecommunication) service.
Background technology
Internet Protocol Television (IPTV, Internet Protocol Television) promptly based on the television broadcasting service of IP agreement, be that a kind of television set or personal computer of utilizing is as display terminal, the transmission of IP based network provides the technology of multiple broadband services such as Digital Television, Video service, information service, interactive amusement and recreation, ecommerce to the user.Digital audio/video stream business is the core business of IPTV.In the system load mode of Streaming Media with the difference of user's receive mode difference.IMS based IPTV be exactly TISPAN propose at IP Multimedia System (IMS, IP Multimedia Subsystem) providing IPTV business under the overall architecture, is that the user provides streaming media service and merges Streaming Media and the multimedia service of real-time session business to make full use of that mechanism such as existing registration, authentication, route, session control and foundation in the IMS network, professional triggering, charging, end-to-end QoS assurance come.From the terminal use see mainly contain program request and broadcasting two kinds of receive modes.Wherein, demand (telecommunication) service (Video-On-Demand, VOD), also be the COD business, be to adopt the published method of clean culture to the subscriber equipment media stream by network side, and in watching process, support user side to initiate VCR (Video Cassette Recorder) operations such as F.F., rewind down, time-out at any time.
Therefore, when the user watches when having the programme content that advertisement etc. sets in advance by the program supplier, can skip ad content in the program by control commands such as " F.F.s " fully; And this measure is not wished to allow for the program supplier.Because the expense of program itself has often been born in advertisement that issues with programme content etc. to a certain extent,, then will inevitably weaken the meaning of advertisement if all users that watch can at random skip; Even may cause gray withdrawing from, in a disguised form increase the cost of program request.Certainly be not limited only to ad content, do not wish the media content of operation arbitrarily, all have the problem that to be operated arbitrarily for the program supplier.
Summary of the invention
The embodiment of the invention provides a kind of control method, Apparatus and system of demand (telecommunication) service, can carry out the control of media manipulation request according to the control strategy of demand (telecommunication) service.
The control method of a kind of demand (telecommunication) service that the embodiment of the invention provides comprises:
Obtain the control strategy of demand (telecommunication) service;
Send the control strategy that is obtained and implement the unit, carry out the control of demand (telecommunication) service according to described control strategy so that the unit is implemented in described control to control.
The control strategy unit of a kind of demand (telecommunication) service that the embodiment of the invention provides comprises acquisition module and sending module:
Wherein acquisition module is used to obtain the control strategy of demand (telecommunication) service;
Sending module is used to send the control strategy that is obtained and implements the unit to control, carries out the control of demand (telecommunication) service according to described control strategy so that the unit is implemented in described control.
The system of a kind of demand (telecommunication) service that the embodiment of the invention provides comprises control strategy unit and control enforcement unit:
Wherein the control strategy unit is used to obtain the control strategy of demand (telecommunication) service and sends the control strategy that is obtained implement the unit to controlling;
The control that the unit is used for carrying out according to described control strategy demand (telecommunication) service is implemented in control.
The control method of a kind of demand (telecommunication) service that the embodiment of the invention provides, Apparatus and system according to the control strategy of demand (telecommunication) service, carry out the control of media manipulation request, thereby can effectively control the operation to medium.
Description of drawings
Fig. 1 is the schematic diagram of the control method of demand (telecommunication) service in the one embodiment of the invention;
Fig. 2 is the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention;
Fig. 3 is the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention;
Fig. 4 is the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention;
Fig. 5 is the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention;
Fig. 6 is the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention;
Fig. 7 is the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention;
Fig. 8 is the structural representation of the control system control strategy unit of demand (telecommunication) service in the embodiment of the invention;
Fig. 9 is the structural representation of the device of demand (telecommunication) service in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
As shown in Figure 1, the embodiment of the invention provides a kind of control method of demand (telecommunication) service, specifically comprises:
Step 101: the control strategy that obtains demand (telecommunication) service;
Specifically can obtain the control strategy of demand (telecommunication) service according to the server of the information inquiry storage demand (telecommunication) service control strategy that carries in the user's request that is received.
User request can be as the service request of order request, also can be as the media manipulation request of fast forwarding and fast rewinding.
The control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format, positional information of the demand (telecommunication) service Media Stream that needs control one or multinomial
Step 102: send the control strategy that is obtained and implement the unit, carry out the control of demand (telecommunication) service according to described control strategy so that the unit is implemented in described control to control.
Transmission in the step 102 can be two transmissions between the entity, also can be the transmission on the logical concept between the same entity different virtual module.
The control strategy that is obtained specifically can pass through session initiation protocol, and (Session InitiationProtocol, message body SIP) or expansion header field send to control and implement the unit; Or the control strategy that is obtained specifically can pass through real-time streaming protocol, and (Real Time Streaming Protocol, message body RTSP) or expansion header field send to control and implement the unit.
Illustrate by RTSP expansion header field and carry.
Carry by RTSP expansion header field, need expansion feature-tag, as follows:
Paly.skip:Support?of?skip?operation?for?media?playback?by?using?Range?header.Applies?onlyfor?servers.
play.scale.range:Support?of?scale?operations?for?media?playback?only?in?the?time?rangepresented?in?the?Range?header.Applies?only?for?servers?in?PLAY，PAUSE，SETUP，REDIRECT，and?PLAY_NOTIFY?response.
play.skip.range:Support?of?skip?operations?for?media?playback?only?in?the?time?rangepresented?in?the?Range?header.Applies?only?for?servers?in?PLAY，PAUSE，SETUP，REDIRECT，and?PLAY?NOTIFY?response.
Illustrate the application of above-mentioned expansion:
Unsupport:play.scale.range，play.skip.range
Range:npt＝0-0:10:34.10
Show in the npt=0-0:10:34.10 scope, not allow F.F., promptly do not allow user's media manipulation request.
The message body of SIP or RTSP be specifically as follows Session Description Protocol (Session DescriptionProtocol, SDP) or XML message body; When being SDP message body, can carry the control strategy that is obtained by the property column of expansion SDP, send to control and implement the unit.
The property column of expansion SDP illustrates as follows:
a＝unsupport:<feature?tag>[/<npt-range>][/<utc-range>][/<smpte-range>]
Wherein, npt-range=(npt-time " " [npt-time]) | (" " npt-time)
npt-time＝″now″|npt-sec|npt-hhmmss
npt-sec＝1*DIGIT[″.″*DIGIT]
npt-hhmmss＝npt-hh″:″npt-mm″:″npt-ss[″.″*DIGIT]
npt-hh＝1*DIGIT；any?positive?number
npt-mm＝1*2DIGIT；0-59
npt-ss＝1*2DIGIT；0-59
utc-range＝″clock″″＝″utc-time″-″[utc-time]
utc-time＝utc-date″T″utc-time″Z″
utc-date＝8DIGIT；<YYYYMMDD>
utc-time＝6DIGIT[″.″fraction]；<HHMMSS.fraction>
smpte-range＝smpte-type″＝″smpte-time″-″[smpte-time]
smpte-type＝″smpte″|″smpte-30-drop″|″smpte-25″；other?timecodes?may
be?added
smpte-time＝1*2DIGIT″:″1*2DIGIT″:″1*2DIGIT[″:″1*2DIGIT][″.″
1*2DIGIT]
Wherein, npt-range, utc-range, smpte-range be with reference to RFC2326 3.6,3.7, the definition of 3.5 joints, Feature tag in RTSP2.0 relevant for the expanded definition of play.scale, promptly doubly fast F.F.; Play.skip is for needing the Feature tag of expansion, and its meaning is to carry Range redirect F.F. in the Play request.
Illustrate the application of above-mentioned expansion:
a＝unsupported:play.scale/npt＝0-0:10:34.10
a＝unsupported:play.skip/npt＝0-0:10:34.10
More than and in the scope of npt=0-0:10:34.10, do not allow F.F. with then showing, promptly do not allow user's media manipulation request.
XML message body by SIP or RTSP is carried the control strategy that is obtained, and sends to control when implementing the unit, the XML form can be in the following example shown in, be not limited thereto certainly:
<？xml?version＝″1.0″encoding＝″UTF-8″？>
<xs:schema?xmlns:xs＝″http://www.w3.org/2001/XMLSchema″
targetNamespace＝″urn:xxx:xml:ns:iptvpushserviceactiondata″elementFormDefault＝″qualified″
attributeFormDefault＝″unqualified″>
<xs:element?name＝″IPTVADControlData″>
<xs:complexType>
<xs:sequence>
<xs:element?name＝″Controlcontent″type＝″xs:anyURI″/>
<xs:element?name＝″StartTime″type＝″xs:time″minOccurs＝″0″/>
<xs:element?name＝″Duration″type＝″xs:unsignedInt″minOccurs＝″0″/>
<xs:element?name＝″OffTime″type＝″xs:time″/>
<xs:element?name＝″Indicator″type＝″xs:string″/>
<xs:element?name＝″VCRControl″type＝″xs:string″/>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
Control is implemented the unit and is specifically comprised according to the control that described control strategy carries out demand (telecommunication) service:
Judge whether to allow the media manipulation request according to described control strategy; Or judge whether to consult media control channel according to described control strategy.
When not carrying out the media manipulation request, then control the control of implementing to carry out demand (telecommunication) service in the unit and specifically comprise according to described control strategy judgement:
The receiving media operation requests;
According to described control strategy refusal or ignore described media manipulation request.
When not consulting media control channel, then control the control of implementing to carry out demand (telecommunication) service in the unit and specifically comprise according to described control strategy judgement:
Putting the media control channel port is 0, not consult media control channel.
Also comprise before the control that described control is implemented to carry out demand (telecommunication) service according to described control strategy in the unit and preserve the control strategy that receives.
As shown in Figure 2, be the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention.In this embodiment, with service control function (Service Control Function, SCF) be the control strategy unit, user terminal (User Equipment, UE) implement the unit for control, SCF adopts the control strategy of sip message transmission demand (telecommunication) service to UE, and the Media Stream of controlling with needs is that advertisement is the example explanation.
In this example, (Media Function is that (Media ControlFunction is MCF) with media delivery function (Media Delivery Function, being collectively referred to as MDF) for media control function MF) to media function.For simplifying flow process, need to consider the advertisement of control and the program of institute's program request to be positioned at same MF among the figure; The principle spirit of this method is set up equally for the scene that request program and advertising media are positioned at different MF.
201, UE consults to set up media channel with media content by the demand (telecommunication) service request;
202, SCF receives program request service request (session of service request is to need to arrive MF, but is removing to obtain control strategy through just triggering SCF behind the SCF), obtains the control strategy of demand (telecommunication) service according to the information of carrying in the described demand (telecommunication) service request.In the positional information of on-demand content sign that specifically can be by carrying in the demand (telecommunication) service request, User Identity, on-demand content or the operation indication of on-demand content one or multinomial, index SCF obtains the control strategy (at this moment SCF is as the server of storage demand (telecommunication) service control strategy) of demand (telecommunication) service, and the control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format of the demand (telecommunication) service Media Stream that needs control one or multinomial.Wherein, media content is set up media channel and obtained control strategy (for example advertisement parameter etc.) does not have relation successively;
203, SCF control strategy that index is obtained is handed down to the UE side, can but be not limited to use SIPInfo, SIP Message, SIP Subscribe/Notify, SIP 200 OK Response etc. issue the control strategy that obtains.Wherein control strategy can carry with XML or SDP, or the mode of expansion header field is carried.
Below to adopt XML to carry the control strategy that is obtained with Info message be example, show in the request program that advertisement does not allow F.F. in the npt=0:10:34.10-0:12:34.10 time period.
INFO?sip:user-a@iptv.com?SIP/2.0
……
From:<sip:cod-scf@iptv.com>；tag＝31415
To:<sip:user@iptv.com>
……
Content-Type:application/xml
Content-Length:127
<？xml?version＝″1.0″encoding＝″UTF-8″？>
<IPTVADControl>
<Controlcontent>sip:CODContent1@iptv.com</Controlcontent>
<StartTime>0:10:34.10</StartTime>
<Duration>60</Duration>
<VCRControl>play.scale</VCRControl>
<VCRControl>play.skip</VCRControl>
</IPTVADControl>
……
Adopting SDP to carry the control strategy that is obtained with Info message is example (expansion of SDP can shown in embodiment one), shows in the request program that advertisement does not allow F.F. in the npt=0:10:34.10-0:12:34.10 time period.
INFO?sip:user-a@iptv.com?SIP/2.0
……
From:<sip:cod-scf@iptv.com>；tag＝31415
To:<sip:user@iptv.com>
……
Content-Type:application/sdp
Content-Length:127
v＝0
o＝-2880844256?2880842807?IN?IP4?192.0.2.5
……
a＝unsupported:play.scale/npt＝0:10:34.10-0:12:34.10
a＝unsupported:play.skip/npt＝0:10:34.10-0:12:34.10
……
204, UE preserves the medium control strategy that obtains that receives;
205, UE returns response 200 OK to Info information;
206, UE begins to watch programme content;
207, when the user sends the media manipulation request of F.F., UE judges according to the medium control strategy that is obtained whether F.F. can cross the advertisement in the program, and UE has the ability of the incorrect F.F. of limited subscriber.If the advertisement in the program is crossed in the F.F. meeting, or the current advertisement scope that belonged to, then UE refuses or ignores user's media manipulation request.
As shown in Figure 3, be the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention.In this embodiment, be the control strategy unit with MCF or SCF, MCF implements the unit for control.When being the control strategy unit with SCF, SCF adopts the control strategy of sip message transmission demand (telecommunication) service to MCF, and the Media Stream of controlling with needs is that advertisement is the example explanation.
In this example, (Media Function is that (Media ControlFunction is MCF) with media delivery function (Media Delivery Function, being collectively referred to as MDF) for media control function MF) to media function.For simplifying flow process, need to consider the advertisement of control and the program of institute's program request to be positioned at same MF among the figure; The principle spirit of this method is set up equally for the scene that request program and advertising media are positioned at different MF.
301, UE sets up media channel by demand (telecommunication) service request negotiation and media content;
302A, SCF receive the program request service request, obtain the control strategy of demand (telecommunication) service according to the information of carrying in the described demand (telecommunication) service request.In the positional information of on-demand content sign that specifically can be by carrying in the demand (telecommunication) service request, User Identity, on-demand content or the operation indication of on-demand content one or multinomial, index SCF self obtains the control strategy (at this moment SCF is as the server of storage demand (telecommunication) service control strategy) of demand (telecommunication) service, and the control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format of the demand (telecommunication) service Media Stream that needs control one or multinomial;
303A, SCF select suitable MCF according to the ID of on-demand content, the control strategy that index is obtained is handed down to MCF, can but be not limited to use SIP Info, SIP Message, SIP Subscribe/Notify, SIP 200 OK Response etc. issue the control strategy that obtains.Wherein control strategy can carry with XML or SDP, or the expansion header field mode carry, specifically can be shown in embodiment two.
SCF can directly transmit the demand (telecommunication) service request of UE, and adopt and use SIP Info, SIP Message, SIP Subscribe/Notify, SIP 200 OK Response etc. issue the control strategy that obtains; Also can use SIP Reinvite request when transmitting the demand (telecommunication) service request of UE, to carry the control strategy that obtains by SCF;
304, MCF preserves the medium control strategy that is obtained;
305a 305b, MCF return the response 200 OK;
306, UE begins to watch programme content;
307, when the user sends the media manipulation request of F.F., MCF judges according to the medium control strategy that is obtained whether F.F. can cross the advertisement in the program.If the advertisement in the program is crossed in the F.F. meeting, or the current advertisement scope that belonged to, then MCF refuses or ignores user's media manipulation request.
If MCF is as the control strategy unit, then above-mentioned step 302A and step 303A change to:
302B:SCF selects suitable MCF according to the ID of on-demand content, transmits the demand (telecommunication) service request of UE and gives MCF;
303B, MCF receive the program request service request, obtain the control strategy of demand (telecommunication) service according to the information of carrying in the described demand (telecommunication) service request.In the positional information of on-demand content sign that specifically can be by carrying in the demand (telecommunication) service request, User Identity, on-demand content or the operation indication of on-demand content one or multinomial, index MCF obtains the control strategy (at this moment MCF is as the server of storage demand (telecommunication) service control strategy) of demand (telecommunication) service, or obtain from the server that stores the demand (telecommunication) service control strategy, the control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format of the demand (telecommunication) service Media Stream that needs control one or multinomial.Send to the control that is positioned at MCF inside by the control strategy unit that is positioned at MCF inside then and implement the unit, transmission at this time belongs to the transmission on the logical concept between the same entity different virtual module.
Remaining step is identical.
As shown in Figure 4, be the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention.In this embodiment, be the control strategy unit with MCF or SCF, UE implements the unit for control.When being the control strategy unit with SCF, SCF adopts the control strategy of sip message transmission demand (telecommunication) service to MCF, and MCF adopts the control strategy of SIP or RTSP message transmission demand (telecommunication) service to UE, and the Media Stream of controlling with needs is that advertisement is the example explanation.
In this example, (Media Function is that (Media ControlFunction is MCF) with media delivery function (Media Delivery Function, being collectively referred to as MDF) for media control function MF) to media function.For simplifying flow process, need to consider the advertisement of control and the program of institute's program request to be positioned at same MF among the figure; The principle spirit of this method is set up equally for the scene that request program and advertising media are positioned at different MF.
401, UE sets up media channel by demand (telecommunication) service request negotiation and media content;
402A, SCF receive the program request service request, obtain the control strategy of demand (telecommunication) service according to the information of carrying in the described demand (telecommunication) service request.In the positional information of on-demand content sign that specifically can be by carrying in the demand (telecommunication) service request, User Identity, on-demand content or the operation indication of on-demand content one or multinomial, index SCF self obtains the control strategy (at this moment SCF is as the server of storage demand (telecommunication) service control strategy) of demand (telecommunication) service, and the control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format of the demand (telecommunication) service Media Stream that needs control one or multinomial;
403A, SCF select suitable MCF according to the ID of on-demand content, and the control strategy that index is obtained is handed down to MCF, can but be not limited to use SIP Info, SIP Message, SIP Subscribe/Notify, SIP 200 OK Response wait to issue the control strategy that obtains.Wherein control strategy can carry with XML or SDP, or the expansion header field mode carry, specifically can be shown in embodiment two.
SCF can directly transmit the demand (telecommunication) service request of UE, and adopt and use SIP Info, SIP Message, SIP Subscribe/Notify, SIP 200 OK Response etc. issue the control strategy that obtains; Also can use SIP Reinvite request when transmitting the demand (telecommunication) service request of UE, to carry the control strategy that obtains by SCF;
404, MCF preserves the medium control strategy that is obtained;
405a 405b, MCF return the response 200 OK;
406, UE begins to watch programme content;
407, UE initiates RTSP DESCRIBE request, this request can but be not limited to requests such as RTSP DESCRIBE, RTSP SETUP or RTSP PLAY;
408, MCF returns RTSP 200 OK, wherein carries the medium control strategy, is the advertisement parameter in this example;
When carrying, illustrate as follows in RTSP expansion SDP property column mode:
RTSP/2.0?200?OK
CSeq:1
Server:PhonyServer/1.0
Date:23?Jan?1997?15:35:06?GMT
Content-Type:application/sdp
Content-Length:257
Content-Base:rtsp://example.com/twister.3gp/
Expires:24?Jan?1997?15:35:06?GMT
v＝0
o＝-2880844256?2880842807?IN?IP4?192.0.2.5
s＝RTSP?Session
i＝An?Example?of?RTSP?Session?Usage
e＝adm@example.com
a＝unsupported:play.scale/npt＝0:10:34.10-0:12:34.10
a＝unsupported:play.skip/npt＝0:10:34.10-0:12:34.10
t＝00
m＝audio?0?RTP/AVP?0
When carrying, illustrate as follows in RTSP expansion header field mode:
RTSP/2.0?200?OK
CSeq:1
Server:PhonyServer/1.0
Date:23?Jan?1997?15:35:06?GMT
Unsupport:play.scale.range，play.skip.range
Range:npt＝0-0:10:34.10
Session:47112344；timeout＝60
Transport:RTP/AVP；unicast；dest?addr＝″:4588″/″:4589″；
src_addr＝″192.0.2.241:6256″/″192.0.2.241:6257″；
ssrc＝2A3F93ED
Show in the Range of 0-0:10:34.10 and do not allow F.F..
409, when the user sends the media manipulation request of F.F., UE judges according to the medium control strategy that is obtained whether F.F. can cross the advertisement in the program.If the advertisement in the program is crossed in the F.F. meeting, or the current advertisement scope that belonged to, then UE refuses or ignores user's media manipulation request.
Can certainly in step 405, carry the medium control strategy to UE by the property column by expansion SDP, at this moment then not need in 408 steps to carry.
As shown in Figure 5, be the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention.In this embodiment, implement the unit with MCF as control.To be to trigger the principle of obtaining control strategy different with the main distinction of embodiment before: embodiment before trigger principle that MCF obtains control strategy be the receiving media passage set up service request the time trigger, five of embodiment trigger during for receiving media operation requests such as F.F..
For simplifying flow process, need to consider the advertisement of control and the program of institute's program request to be positioned at same MF among the figure; The principle spirit of this method is set up equally for the scene that request program and advertising media are positioned at different MF.
501, UE consults to set up media channel with media content by the demand (telecommunication) service request;
502, MDF issues Streaming Media;
503, UE begins to watch programme content;
504, the user sends the media manipulation request of F.F., such as RTSP Play;
505, after MCF receives the media manipulation request of F.F., obtain the control strategy of demand (telecommunication) service according to the information of carrying in the described media manipulation request.In the positional information of on-demand content sign that specifically can be by carrying in the media manipulation request, User Identity, on-demand content or the operation indication of on-demand content one or multinomial, index MCF obtains the control strategy of demand (telecommunication) service; Also can be that MCF and MDF are mutual, MDF obtains the control strategy of demand (telecommunication) service as the server of storage demand (telecommunication) service control strategy; Also can be SCF have obtained the control strategy of demand (telecommunication) service according to the information of carrying in the service request, and MCF and SCF are mutual, obtain the control strategy of demand (telecommunication) service; Can certainly MCF and other independently the control strategy storage server obtain of the description of the concrete preparation method of the control strategy of demand (telecommunication) service alternately referring to front embodiment.The control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format of the demand (telecommunication) service Media Stream that needs control one or multinomial.
MCF judges according to the medium control strategy that is obtained whether F.F. can cross advertisement or other important informations in the program then.If advertisement or other important informations in the program are crossed in the F.F. meeting, or current advertisement or other important information scopes of having belonged to, then MCF refuses or ignores user's media manipulation request.Can also carry control strategy in the described errored response and send to the UE side.Concrete message can be in the following example shown in:
RTSP/2.0?403?Forbidden
CSeq:1
Date:23?Jan?1997?15:35:06?GMT
Unsupport:play.scale.range，play.skip.range
Range:npt＝0-0:10:34.10
Session:47112344；timeout＝60
……
As shown in Figure 6, be the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention.In this embodiment, needing the advertisement of control and the program of institute's program request is different media flows, even can be positioned at different servers.Be to simplify flow process, all being positioned at AD Server with the controlled function of the advertising media of needs control and transfer function is the example explanation.Need the negotiation of the Media Stream controlled to initiate in the present embodiment, do not consult control channel by the UE side.
601, UE consults by the demand (telecommunication) service request and provides the media server (media content) of program to set up media channel, and receiving media stream is watched programme content then;
602, network side obtains the control strategy of demand (telecommunication) service according to the information of carrying in the service request.The network element of network example can be SCF and/or MCF, specifically can be the server of MCF as storage demand (telecommunication) service control strategy, and index obtains the control strategy of demand (telecommunication) service; Also can be that MCF and MDF are mutual, MDF obtains the control strategy of demand (telecommunication) service as the server of storage demand (telecommunication) service control strategy; Also can be the server of SCF as storage demand (telecommunication) service control strategy, index obtains the control strategy of demand (telecommunication) service; Can also be the control strategy that SCF has obtained demand (telecommunication) service, MCF and SCF be mutual, obtain the control strategy of demand (telecommunication) service; Can certainly MCF or SCF and other independently server interaction obtain the control strategy of demand (telecommunication) service.Concrete preparation method is referring to the description of front embodiment.The control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format, positional information of the demand (telecommunication) service Media Stream that needs control one or multinomial;
603, network side issue the demand (telecommunication) service that obtains control strategy to the UE side, corresponding to the description of step 602, the network element that network side issues the control strategy of the demand (telecommunication) service that obtains can be MCF, also can be SCF.Issue example with MCF in the accompanying drawing.Can but be not limited to use SIP Info, SIP Message, SIP Subscribe/Notify, SIP 200 OK Response etc. issue the control strategy that obtains.Network side issues the control strategy of the demand (telecommunication) service that obtains, and also may consult and provide the media server (media content) of program to set up in the process of media channel, and for example the response message by SIP carries.Wherein advertisement parameter can be described with XML or SDP, or the mode of expansion header field carries, specifically can be shown in embodiment two, and the advertisement parameter that issues need comprise the advertisement and identifier of advertising media;
604a 604b 604c, UE are according to the control strategy of the demand (telecommunication) service that obtains, and promptly advertising message triggers the pause command to on-demand content, suspends the Media Stream of program request programme content.
Such as the zero-time that is specifically as follows the advertisement in the control strategy arrived, and at this moment UE need suspend the program media stream of watching originally;
605, UE initiates the demand (telecommunication) service request again and consults SIP Reinvite, increases the negotiation to advertising media's stream, can carry advertisement and identifier in the request;
606, SCF transmits the demand (telecommunication) service request and consults SIP Reinvite, and to put the media control channel port according to the advertisement and identifier that carries in the request be 0, only consults the media delivery passage;
Perhaps SCF does not have the control strategy of demand (telecommunication) service, MCF is given in the SCF request of transmitting, the control channel of only consult the media delivery passage, not consulting advertisement is then finished by MCF, and it is 0 that MCF puts the media control channel port according to the advertisement and identifier that carries in the request, only consults the media delivery passage.Can hold a concurrent post MCF by AD Server in the practical application and finish this function, also can be special MCF;
Or be to serve as control by UE to implement the unit, before the step 605, (MCF or SCF) is issued to UE with the control strategy that obtains in the control strategy unit, then in 605 steps, when UE initiates Reinvite, promptly do not consult the control channel of advertising media's stream, step 606 kind of SCF gets final product by the normal flow request of transmitting then.
607a 607b, UE receive advertising media's information.When the user sent the media manipulation request of F.F., UE judged according to the medium control strategy that is obtained whether F.F. can cross the advertisement in the program therebetween.If the advertisement in the program is crossed in the F.F. meeting, or the current advertisement scope that belonged to, then UE refuses or ignores user's media manipulation request.Because control command is invalid to advertising media only at on-demand content;
608a 608b 608c, UE are according to the concluding time of the advertisement parameter information perception advertisement of being obtained, and initiation RTSP PLAY, play original request program again.
As shown in Figure 7, be the flow chart of the control method of demand (telecommunication) service in the another embodiment of the present invention.Need the negotiation of the Media Stream controlled to initiate in the present embodiment, do not consult control channel by the SCF side.
701, UE consults by the demand (telecommunication) service request and provides the media server (media content) of program to set up media channel, and receiving media flows then, watches the programme content of program request;
702, network side obtains the control strategy of demand (telecommunication) service according to the information of carrying in the service request.The network element of network example can be SCF and/or MCF, specifically can be the server of MCF as storage demand (telecommunication) service control strategy, and index obtains the control strategy of demand (telecommunication) service; Also can be that MCF and MDF are mutual, MDF obtains the control strategy of demand (telecommunication) service as the server of storage demand (telecommunication) service control strategy; Also can be the server of SCF as storage demand (telecommunication) service control strategy, index obtains the control strategy of demand (telecommunication) service; Can also be the control strategy that SCF has obtained demand (telecommunication) service, MCF and SCF be mutual, obtain the control strategy of demand (telecommunication) service; Can certainly MCF or SCF and other independently server interaction obtain the control strategy of demand (telecommunication) service.Concrete preparation method is referring to the description of front embodiment.The control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format, positional information of the demand (telecommunication) service Media Stream that needs control one or multinomial, and promptly the control strategy of demand (telecommunication) service specifically comprises advertising media's parameter information;
703a 703b, MCF trigger the pause command to on-demand content according to advertising message, suspend the Media Stream of program request programme content; Precedence relationship on 702 and 703 steps are not free;
704A, if SCF implements the unit as control, then SCF initiates the media channel of request negotiation advertisement between user and advertisement MCF, does not wherein comprise media control channel;
705A, advertisement MCF return advertising media's parameter information of negotiation in response, set up the transmission channel of advertising media.The AD Server of Fig. 7 has comprised above-mentioned advertisement MCF.
If advertisement MCF implements the unit as control, then above-mentioned steps 704A and 705A change to:
704B, SCF initiate advertisement is consulted in request between user and advertisement MCF media channel.Consult the delivery channel of medium, the control channel that also can consult medium;
The entity that has obtained control strategy in 705B, the step 702 issues control strategy to advertisement MCF, and advertisement MCF returns advertising media's parameter information of negotiation, and putting the media control channel port according to control strategy is 0, only consults the media delivery passage.
706, the user watches ad content, can't carry out the medium control command during the advertisement;
707, according to the concluding time in the control strategy, the broadcast that triggers original program recovers, and recovers the program media of program request, and the user continues to watch.
In like manner, UE serves as control and implements the unit, and step is similar.
As shown in Figure 8, the embodiment of the invention also provides a kind of system of demand (telecommunication) service, comprises control strategy unit 801 and control enforcement unit 802:
Wherein the control strategy unit is used to obtain the control strategy of demand (telecommunication) service and sends the control strategy that is obtained implement the unit to controlling;
The control that the unit is used for carrying out according to described control strategy demand (telecommunication) service is implemented in control.
The control strategy unit further is used for according to the suitable control enforcement unit of the Information Selection of on-demand content.
When concrete the application, control strategy unit 801 can be media control function MCF or service control function SCF; Unit 802 is implemented in control can be media control function MCF, service control function SCF or user terminal UE.
The unit is implemented in control strategy unit and control can be positioned at same entity.Such as MCF can implement the unit as control again promptly as the control strategy unit.
As shown in Figure 9, the embodiment of the invention also provides a kind of control strategy unit of demand (telecommunication) service, specifically comprises acquisition module 8011 and sending module 8012:
Specifically can obtain the control strategy of demand (telecommunication) service according to the server of the information inquiry storage demand (telecommunication) service control strategy that carries in the user's request that is received.
User request can be as the service request of order request, also can be as the media manipulation request of fast forwarding and fast rewinding.
The server of storage demand (telecommunication) service control strategy can be control strategy unit itself, also can be a certain independent server of disposing.
Sending module 8012 is used to send the control strategy that is obtained and implements the unit to control, carries out the control of demand (telecommunication) service according to described control strategy so that the unit is implemented in described control;
The control strategy that is obtained specifically can send to control enforcement unit by message body or the expansion header field of session initiation protocol SIP or real-time streaming protocol RTSP.
Carrying by RTSP expansion header field can be shown in embodiment one.
The message body of SIP or RTSP is specifically as follows Session Description Protocol SDP or XML message body;
When being SDP message body, can carry the control strategy that is obtained by the property column of expansion SDP, send to control and implement the unit.
The property column of expansion SDP can be shown in embodiment one.
XML message body by SIP or RTSP is carried the control strategy that is obtained, and when sending to control enforcement unit, the XML form can be shown in embodiment one.
The control strategy unit also comprises selects module 8013, is used for according to the suitable control enforcement unit of the Information Selection of on-demand content.
The control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format, positional information of the demand (telecommunication) service Media Stream that needs control one or multinomial.
When concrete the application, the control strategy unit can be media control function MCF or service control function SCF.
The embodiment of the invention also provides a kind of control of demand (telecommunication) service to implement the unit, specifically comprises receiver module 8021 and control enforcement module 8022:
The control that module 8022 is used for carrying out according to described control strategy demand (telecommunication) service is implemented in control, specifically comprises:
Judge whether to allow the media manipulation request according to described control strategy; Or judge whether to consult media control channel according to described control strategy.
Judge that according to described control strategy not carrying out the media manipulation request specifically comprises:
The receiving media operation requests;
According to described control strategy refusal or ignore described media manipulation request.
Judge that according to described control strategy not consulting media control channel specifically comprises:
Putting the media control channel port is 0, not consult media control channel.
Control is implemented the unit and is also comprised memory module 8023, is used for carrying out according to described control strategy the control strategy of the control preservation reception before of demand (telecommunication) service.
The control strategy of demand (telecommunication) service is specifically as follows in the zero-time, termination time, duration, resource identification, coded format, positional information of the demand (telecommunication) service Media Stream that needs control one or multinomial.
When concrete the application, the unit is implemented in control can be media control function MCF, service control function SCF or user terminal UE.
By embodiments of the invention, according to the control strategy of demand (telecommunication) service, carry out the control of media manipulation request, thereby can effectively control operation medium.Such as for the advertisement of not wishing user's F.F. or other important informations, then can effectively control the forwarding operation of user to advertising media.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium.The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1, a kind of control method of demand (telecommunication) service is characterized in that, this method comprises:
Obtain the control strategy of demand (telecommunication) service;
Send the described control strategy that obtains and implement the unit, carry out the control of demand (telecommunication) service according to described control strategy so that the unit is implemented in described control to control.
2, the method for claim 1 is characterized in that, the described control strategy that obtains demand (telecommunication) service specifically comprises:
Receive user's request, obtain the control strategy of demand (telecommunication) service according to the information of carrying in the user's request that is received.
3, method as claimed in claim 2 is characterized in that, described user's request is for service request or be the media manipulation request.
4, method as claimed in claim 2 is characterized in that, the described control strategy that obtains demand (telecommunication) service according to the information of carrying in the user that the received request specifically comprises:
According to the server of the information inquiry storage demand (telecommunication) service control strategy that carries in the user's request that is received, obtain the control strategy of demand (telecommunication) service.
5, the method for claim 1 is characterized in that, the control strategy that is obtained sends to control enforcement unit by message body or the expansion header field of session initiation protocol SIP; Or message body or the expansion header field of the control strategy that is obtained by real-time streaming protocol RTSP sends to control and implements the unit.
6, method as claimed in claim 5 is characterized in that, described sip message body comprises SDP or XML message body; Or described RTSP message body comprises SDP or XML message body.
7, the method for claim 1 is characterized in that, described control is implemented the unit and specifically comprised according to the control that described control strategy carries out demand (telecommunication) service: judge whether to allow the media manipulation request according to described control strategy; Or judge whether to consult media control channel according to described control strategy.
8, method as claimed in claim 7 is characterized in that, judges that according to described control strategy not carrying out the media manipulation request comprises: the receiving media operation requests, according to described control strategy refusal or ignore described media manipulation request; Or
Judge that according to described control strategy not consulting media control channel comprises: putting the media control channel port is 0, not consult media control channel.
9, the method for claim 1 is characterized in that, also comprises before the control that described control is implemented to carry out demand (telecommunication) service according to described control strategy in the unit and preserves the control strategy that receives.
10, method as claimed in claim 2 is characterized in that, the information of carrying in the described user request is specially in the operation indication of the positional information of on-demand content sign, User Identity, on-demand content or on-demand content one or multinomial.
11, the method for claim 1, it is characterized in that the control strategy of described demand (telecommunication) service is specially in the zero-time, termination time, duration, resource identification, coded format, positional information of the demand (telecommunication) service Media Stream that needs control one or multinomial.
12, a kind of control strategy unit of demand (telecommunication) service is characterized in that, described control strategy unit comprises acquisition module and sending module:
Wherein acquisition module is used to obtain the control strategy of demand (telecommunication) service;
Sending module is used to send the control strategy that is obtained and implements the unit to control, carries out the control of demand (telecommunication) service according to described control strategy so that the unit is implemented in described control.
13, unit as claimed in claim 12 is characterized in that, described control strategy unit also comprises the selection module, is used for according to the suitable control enforcement unit of the Information Selection of on-demand content.
14, the unit is implemented in a kind of control of demand (telecommunication) service, it is characterized in that, described control is implemented the unit and comprised receiver module and control enforcement module:
Wherein receiver module is used to receive the control strategy of demand (telecommunication) service;
The control that module is used for carrying out according to described control strategy demand (telecommunication) service is implemented in control.
15, unit as claimed in claim 14 is characterized in that, described control is implemented module and comprised according to the control that described control strategy carries out demand (telecommunication) service:
Judge whether to allow the media manipulation request according to described control strategy; Or judge whether to consult media control channel according to described control strategy.
16, unit as claimed in claim 15 is characterized in that, judges that according to described control strategy not carrying out the media manipulation request comprises: the receiving media operation requests, according to described control strategy refusal or ignore described media manipulation request; Or
Judge that according to described control strategy not consulting media control channel comprises: putting the media control channel port is 0, not consult media control channel.
17, a kind of system of demand (telecommunication) service is characterized in that, comprises control strategy unit and control enforcement unit:
Wherein the control strategy unit is used to obtain the control strategy of demand (telecommunication) service and sends the control strategy that is obtained implement the unit to controlling;
The control that the unit is used for carrying out according to described control strategy demand (telecommunication) service is implemented in control.
18, system as claimed in claim 17 is characterized in that, described control strategy unit is specially media control function MCF or service control function SCF.
As claim 17 or 18 described systems, it is characterized in that 19, described control is implemented the unit and is specially media control function MCF, service control function SCF or user terminal UE.
20, system as claimed in claim 17 is characterized in that, described control strategy unit also is used for according to the described control enforcement of the Information Selection of on-demand content unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102169748A CN101404753A (en) | 2008-10-25 | 2008-10-25 | Control method, apparatus and system for demanding service |
| PCT/CN2009/072167 WO2010045796A1 (en) | 2008-10-25 | 2009-06-08 | Control method, device and system for video-on-demand service |
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| CNA2008102169748A CN101404753A (en) | 2008-10-25 | 2008-10-25 | Control method, apparatus and system for demanding service |
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| CNA2008102169748A Pending CN101404753A (en) | 2008-10-25 | 2008-10-25 | Control method, apparatus and system for demanding service |
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| WO (1) | WO2010045796A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010045796A1 (en) * | 2008-10-25 | 2010-04-29 | 华为技术有限公司 | Control method, device and system for video-on-demand service |
| CN102026024A (en) * | 2009-09-18 | 2011-04-20 | 中兴通讯股份有限公司 | Method, system and device for controlling pay per view (PPV) service in real time |
| CN106991628A (en) * | 2017-03-31 | 2017-07-28 | 河北天英软件科技有限公司 | A kind of the online training method of examination and system |
| CN110740360A (en) * | 2018-07-20 | 2020-01-31 | 北京优酷科技有限公司 | Multimedia resource playing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5933603A (en) * | 1995-10-27 | 1999-08-03 | Emc Corporation | Video file server maintaining sliding windows of a video data set in random access memories of stream server computers for immediate video-on-demand service beginning at any specified location |
| KR100410973B1 (en) * | 2001-04-18 | 2003-12-18 | 엘지전자 주식회사 | Method streaming moving picture video on demand |
| JP2003230129A (en) * | 2002-02-01 | 2003-08-15 | Nippon Telegr & Teleph Corp <Ntt> | Live contents selling method, apparatus thereof, program and recording medium with record thereof |
| CN101052119B (en) * | 2006-04-05 | 2011-07-06 | 华为技术有限公司 | Control method, device and use for video frequency ordering |
| CN101404753A (en) * | 2008-10-25 | 2009-04-08 | 华为技术有限公司 | Control method, apparatus and system for demanding service |
-
2008
- 2008-10-25 CN CNA2008102169748A patent/CN101404753A/en active Pending
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- 2009-06-08 WO PCT/CN2009/072167 patent/WO2010045796A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010045796A1 (en) * | 2008-10-25 | 2010-04-29 | 华为技术有限公司 | Control method, device and system for video-on-demand service |
| CN102026024A (en) * | 2009-09-18 | 2011-04-20 | 中兴通讯股份有限公司 | Method, system and device for controlling pay per view (PPV) service in real time |
| CN102026024B (en) * | 2009-09-18 | 2013-03-20 | 中兴通讯股份有限公司 | Method, system and device for controlling pay per view (PPV) service in real time |
| CN106991628A (en) * | 2017-03-31 | 2017-07-28 | 河北天英软件科技有限公司 | A kind of the online training method of examination and system |
| CN110740360A (en) * | 2018-07-20 | 2020-01-31 | 北京优酷科技有限公司 | Multimedia resource playing method and device |
| CN110740360B (en) * | 2018-07-20 | 2021-09-14 | 阿里巴巴（中国）有限公司 | Multimedia resource playing method and device |
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| WO2010045796A1 (en) | 2010-04-29 |
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