CN105282566B - Interactive television request program is converted to the method and system of group broadcasting program - Google Patents
Interactive television request program is converted to the method and system of group broadcasting program Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of method and system that interactive television request program is converted to group broadcasting program, wherein, method includes：The STB that time interval between the same program of program request and program request moment and earliest program request moment is less than 2T durations by UM is arranged to a user's group；Monitoring each STB in user's group, to the playing progress rate of the Media Stream of request program, the Media Stream of request program includes the Media Stream for the non-program content that the period is t0~t1, playing duration is T；CS generates one since the t1 moment, the association video media stream that playing duration is T, and when the most fast STB of playing progress rate was played to the t1 moment in user's group, multicast media stream is pushed with each STB of the multicast mode into multicast group, it includes the Media Stream of the rear portion content after association video media stream and non-program content；Each STB in RRS control user's groups adds multicast group before association video media stream broadcasting terminates.The embodiment of the present invention can save media server resources and network bandwidth resources.
Description
Technical field
It is especially a kind of to turn interactive television (iTV) request program the present invention relates to internet television (IPTV) technology
It is changed to the method and system of group broadcasting program.
Background technology
In iTV, user can watch program request or group broadcasting program.Wherein, program request (is also referred to as：Unicast) program need in visitor
The every number established a single data channel, sent out from a media server is needed between family end and media server
A client can only be sent to according to bag.Group broadcasting program can be realized point-to-points between media server and each client
The network connection of point, when a media server transmits identical program service data to multiple client simultaneously, only need to replicate
Identical packet is sent to multiple client.
According to the analysis result to domestic iTV user, the user for watching time shift and request program accounts for 53%, these program request sections
Mesh is all transmitted using mode of unicast, and compared with multicast mode, point broadcast mode business datum is to media server resources and Netowrk tape
The occupancy of wide resource is multiplied, and media server resources and network bandwidth resources is consumed very big.
The content of the invention
A technical problem to be solved of the embodiment of the present invention is：For request program to media server and Netowrk tape
The problem of wide resource consumption is big, there is provided a kind of method and system that iTV request programs are converted to group broadcasting program, it is a large amount of to save
Media server resources and network bandwidth resources.
The method that interactive television (iTV) request program is converted to group broadcasting program by one kind provided in an embodiment of the present invention,
Including：
User's collecting device UM detects the play-on-demand program request that each set top box STB is sent, and play-on-demand program request includes
Program identification ID, program request moment and the user's id information of STB user's request program, wherein, one program of program ID unique marks,
One set-top box users of ID unique mark；
Time interval between the same program of program request and program request moment and earliest program request moment is less than 2T durations by UM
STB is arranged to a user's group；Wherein, T is that program ID pre-set, described is identified non-program content is intercutted in program
Duration, T value is the integer more than 0；
Each STB is to the playing progress rate of the Media Stream of request program, the Media Stream of the request program in UM monitoring user's groups
It is included in the Media Stream for the non-program content that the period intercutted in the program is t0~t1, playing duration is T, the program
In the Media Stream of the front portion content before the non-program content and after after the non-program content
The Media Stream of a part of content, wherein, t0, t1 are respectively the time interval that the moment is commenced play out apart from the program, t0 and t1
Integer and t1 respectively more than 0>t0；
Center media server CS generates one since the t1 moment, the association video media stream that playing duration is T, and
When the most fast STB of playing progress rate was played to the t1 moment in the user's group, with multicast mode by edge media server ES to group
Each STB push multicast media streams in group are broadcast, the multicast media stream includes the Media Stream of the rear portion content and in institute
The association video media stream inserted before the Media Stream of rear portion content is stated, wherein, the content of the association video is
A part for the programme content；
Request routing server RRS controls each STB in the user's group to terminate in the association video media stream broadcasting
Multicast group is added before.
In another embodiment of the above method of the present invention, in addition to：
STB sends play-on-demand program request to ES；
The play-on-demand program received request is transmitted to CS by ES；
Program ID identifies the Media Stream of program in the play-on-demand program request that CS is received with a broadcast mode to ES push, by
The Media Stream of the program is pushed to the STB by ES with a broadcast mode.
In another embodiment of the above method of the present invention, the content of the association video is specially the front portion
The inside part in perhaps described rear portion content.
In another embodiment of the above method of the present invention, the play-on-demand program that UM specifically detects each STB transmissions from ES please
Ask.
In another embodiment of the above method of the present invention, in addition to：
The duration T of each program interruption non-program content is set on content management server in advance, intercuts non-program content
Time parameter t0 and t1.
In another embodiment of the above method of the present invention, the RRS controls each STB in the user's group described
Association video media stream broadcasting adds multicast group before terminating to be included：
RRS controls the STB user that playing progress rate is most fast in the user's group to add multicast group when playing the t1 moment, controls
The most slow STB of playing progress rate adds the multicast group when playing to the t0 moment, and control playing progress rate STB placed in the middle is being played extremely
The multicast group is added during any time tx between t0~t1, and indicates that CS and ES stops with a broadcast mode to adding multicast group
STB push the Media Stream of the program.
The system that interactive television (iTV) request program is converted to group broadcasting program by one kind provided in an embodiment of the present invention,
Including：
User collecting device UM, the play-on-demand program request sent for detecting each set top box STB, in play-on-demand program request
Program identification ID, program request moment and user's id information including STB user's request program, wherein, program ID unique marks one
Program, one set-top box users of ID unique mark；By the same program of program request and program request moment and earliest program request moment it
Between time interval be less than 2T durations STB be arranged to a user's group；Wherein, T is marked by program ID pre-set, described
Know the duration that non-program content is intercutted in program, T value is the integer more than 0；And monitoring user's group in each STB to program request
The playing progress rate of the Media Stream of program, the Media Stream of the request program be included in period for being intercutted in the program for t0~
T1, the Media Stream for the non-program content that playing duration is T, the program are in the front portion before the non-program content
The Media Stream of content and the Media Stream in the rear portion content after the non-program content, wherein, t0, t1 are respectively
The time interval at moment is commenced play out apart from the program, t0 and t1 are respectively the integer and t1 more than 0>t0；
Center media server CS, for generating one since the t1 moment, the association video media that playing duration is T
Stream, and when the most fast STB of playing progress rate was played to the t1 moment in the user's group, by edge media server ES with multicast
Each STB push multicast media stream of the mode into multicast group, the multicast media stream include the media of the rear portion content
The association video media stream inserted before the Media Stream of stream and in the rear a part of content, wherein, the association video
Content be the programme content a part；
Routing server RRS is asked, for controlling each STB in the user's group in the association video media stream broadcasting
Multicast group is added before terminating.
In another embodiment of said system of the present invention, in addition to：
STB, for sending play-on-demand program request to the ES；
The ES, for the play-on-demand program received request to be transmitted into the CS；And with a broadcast mode by the program
Media Stream be pushed to the STB；
The CS, program ID identifies program in the play-on-demand program request for being additionally operable to receive to ES push with a broadcast mode
Media Stream.
In another embodiment of said system of the present invention, the content of the association video is specially the front portion
The inside part in perhaps described rear portion content.
In another embodiment of said system of the present invention, the UM specifically detects the program point of each STB transmissions from ES
Broadcast request.
In another embodiment of said system of the present invention, in addition to：
Content management server, for storing the duration T of each program interruption non-program content pre-set, intercutting non-section
The time parameter t0 and t1 of mesh content.
In another embodiment of said system of the present invention, the RRS specifically controls playing progress rate in the user's group
Most fast STB user adds multicast group when playing the t1 moment, and the most slow STB of control playing progress rate adds when playing to the t0 moment
Enter the multicast group, control playing progress rate STB placed in the middle adds described group when playing to any time tx between t0~t1
Group is broadcast, and indicates that CS and ES stops pushing the Media Stream of the program to the STB for adding multicast group with a broadcast mode.
The method and system that iTV request programs are converted to group broadcasting program provided based on the above embodiment of the present invention, will
The unicast service data medium circulation of multiple users of the same program of program request turns to a multi-cast business data matchmaker in the same period
Body stream is transmitted, so as to save substantial amounts of media server resources and network bandwidth resources.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiments of the invention, and is used to explain together with description
The principle of the present invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood, wherein：
ITV request programs are converted into the system architecture of group broadcasting program for the present invention by Fig. 1 and the Media Stream of request program shows
It is intended to.
Fig. 2 is the flow chart of method one embodiment that the present invention is converted to iTV request programs group broadcasting program.
Fig. 3 be in the embodiment of the present invention original point broadcast program Media Stream and one of multicast media stream broadcasting time relationship
Schematic diagram.
Fig. 4 is the schematic diagram of each STB distance addition multicast group times in user's group in the embodiment of the present invention.
Fig. 5 is a schematic diagram for controlling each STB in user's group to add multicast group in the embodiment of the present invention.
Fig. 6 is the system architecture and multicast media flow diagram that the present invention is converted to iTV request programs group broadcasting program.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
ITV request programs are converted into the system architecture of group broadcasting program for the present invention by Fig. 1 and the Media Stream of request program shows
It is intended to.As shown in figure 1, after set top box (STB) sends play-on-demand program request to edge media server (ES), ES will be received
Play-on-demand program request is transmitted to center media server (CS)；The play-on-demand program that CS is received with a broadcast mode to ES push is asked
Middle program identification (ID) identifies the Media Stream of program, and the Media Stream of program is pushed into STB with a broadcast mode by ES.Now,
All STB Media Stream is all program request stream, and during the same program of each STB program requests, the media stream content that each STB is played is identical,
But it is variant on reproduction time, as shown in figure 4, UM can monitor the playing progress rate of program on each STB by ES.
Fig. 2 is the flow chart of method one embodiment that the present invention is converted to iTV request programs group broadcasting program.Such as Fig. 2
Shown, the method that the embodiment is converted to iTV request programs group broadcasting program includes：
110, user's collecting device (UM) detects the play-on-demand program that each STB is sent by Metropolitan Area Network (MAN) and asked, the play-on-demand program
Request includes program ID, program request moment and the user's id information of STB user's request program.
Wherein, one program of program ID unique marks, one set-top box users of ID unique mark, can be user's accounts
Number, STB numbering etc..
120, the UM play-on-demand programs sent according to each STB are asked, by the same program of program request and program request moment and earliest point
The STB that time interval between quarter sowing time is less than 2T durations is arranged to a user's group.
Wherein, T identified by pre-set, program ID intercutted in program non-program content (for example, advertisement, advance notice,
And/or content is looked back etc.) duration, also referred to as adjustment time, T value is the integer more than 0.
Each STB is to the playing progress rate of the Media Stream of request program, the media of the request program in 130, UM monitoring user's groups
Stream include period for intercutting in a program be t0~t1, the Media Stream for the non-program content that playing duration is T, program positioned at
The Media Stream of front portion content before non-program content and the matchmaker in the rear portion content after non-program content
Body stream.
Wherein, t0, t1 are respectively the time interval that the moment is commenced play out apart from program, and t0 and t1 are respectively whole more than 0
Number and t1>t0.
140, CS generation one from the t1 moment (i.e.：At the time of non-program content terminates to play) start, playing duration is T
Association video media stream, and when the most fast STB of playing progress rate was played to the t1 moment in user's group, with multicast mode by ES to
Each STB push multicast media streams in multicast group, the multicast media stream include program latter after non-program content
The Media Stream of partial content and the association video media stream inserted before the Media Stream of the rear portion content.
Wherein, the content of association video is a part for programme content, for example, on the content of association video can be specifically
The part in perhaps rear portion content is stated in front portion, can also be respectively from above-mentioned front portion content and rear portion
Each choosing part is formed in content.
Fig. 3 be in the embodiment of the present invention original point broadcast program Media Stream and one of multicast media stream broadcasting time relationship
Schematic diagram.
150, request routing server (RRS) controls each STB in user's group to terminate it in association video media stream broadcasting
Preceding addition multicast group, and indicate that CS stops pushing the Media Stream of the same program, CS to the STB for adding multicast group with a broadcast mode
Stop pushing RTP (RTP) Media Stream to STB by ES.Sent for example, RRS can control STB to send STB to ES
Internet Group Management Protocol (Internet Group Management Protocol, IGMP) adds request message, and ES will
IGMP adds request message and is transmitted to CS, is set by CS the STB adding multicast group.
As shown in figure 4, the signal of multicast group time is added for each STB distances in user's group in the embodiment of the present invention
Figure.Fig. 5 is a schematic diagram for controlling each STB in user's group to add multicast group in the embodiment of the present invention.
By 150 operation, between the same program of all program requests and time between program request moment and earliest program request moment
After newly-generated multicast group is added less than the STB of 2T durations, the on-demand media stream on each STB terminates, and system is with multicast mode
Multicast media stream is pushed to each STB.
The method and system that iTV request programs are converted to group broadcasting program provided based on the above embodiment of the present invention, will
The unicast service data medium circulation of multiple users of the same program of program request turns to a multi-cast business data matchmaker in the same period
Body stream is transmitted, so as to save substantial amounts of media server resources and network bandwidth resources.Specifically, in adjustment time T
It is interior, it is assumed that while the user of the same program of program request has N number of, when not using the embodiment of the present invention, CS needs to produce N number of on-demand media
Stream；After the embodiment of the present invention, CS need to only produce 1 Media Stream, about save (N-1)/N before server resource ratio, CS with
Network bandwidth resources between ES are also reduced a lot.
In a specific example of the above-mentioned embodiment of the method that iTV request programs are converted to group broadcasting program of the present invention,
UM can specifically detect the play-on-demand program request that each STB that ES is received is sent.
In iTV request programs to be converted to the present invention method of group broadcasting program another embodiment, can in advance including
Hold and the adjustment time of each program is set (i.e. in management server (MM)：Intercut the duration of non-program content) T, intercut non-program
The time parameter t0 and t1 of content, non-program content are t0 apart from the initial time that program commences play out, and terminate the end played
Time is t1.
In the above-mentioned each embodiment of method that iTV request programs are converted to group broadcasting program of the present invention, RRS control user's groups
Interior each STB adds multicast group before association video media stream broadcasting terminates and can specifically realized in the following way：
The most fast STB user of playing progress rate adds multicast group when playing the t1 moment in RRS control user's groups, and control plays
The most slow STB of progress adds multicast group when playing to the t0 moment, and control playing progress rate is placed in the middle (i.e.：It is most fast between playing progress rate
Between most slow) STB add multicast group when playing to any time tx between t0~t1.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Fig. 6 is the system architecture and multicast media flow diagram that the present invention is converted to iTV request programs group broadcasting program.Should
The system of embodiment can be used for realizing the above-mentioned embodiment of the method that iTV request programs are respectively converted to group broadcasting program of the present invention.Ginseng
See Fig. 1 and 6, the system of the embodiment includes UM, CS and RRS.Wherein：
UM, the play-on-demand program request sent for detecting each STB, play-on-demand program request include STB user's program request section
Purpose program ID, program request moment and user's id information, wherein, one program of program ID unique marks, ID unique mark one
Individual set-top box users；When time interval between the same program of program request and program request moment and earliest program request moment is less than into 2T
Long STB is arranged to a user's group；Wherein, T be pre-set, program ID identifies and non-program content intercutted in program
Duration, T value is the integer more than 0；And in monitoring user's group each STB to the playing progress rate of the Media Stream of request program,
The Media Stream of the request program include period for intercutting in a program be t0~t1, the non-program content that playing duration is T
Media Stream, program are in the Media Stream of the front portion content before non-program content and after non-program content
The Media Stream of rear portion content, wherein, t0, t1 are respectively the time interval that the moment is commenced play out apart from program, and t0 and t1 divide
Integer and t1 that Wei be more than 0>t0.
CS, for generating one since the t1 moment, the association video media stream that playing duration is T, and in user's group
When the most fast STB of playing progress rate was played to the t1 moment, multicast media is pushed with each STB of the multicast mode into multicast group by ES
Stream, the multicast media stream include the Media Stream of above-mentioned rear portion content and inserted before the Media Stream of the rear portion content
Association video media stream, wherein, the content of association video is a part for programme content, can be specifically above-mentioned front portion
The inside part perhaps in rear portion content, can also respectively it be selected from above-mentioned front portion content and rear portion content respectively
A part is formed.
RRS, for controlling each STB in user's group to add multicast group before association video media stream broadcasting terminates, and
Indicate that CS stops pushing the Media Stream of the program to the STB for adding multicast group with a broadcast mode.
Referring back to Fig. 1 and Fig. 6, iTV request programs are converted into the system of group broadcasting program another embodiment in the present invention
In, STB and ES can also be included.Wherein, STB is used to send play-on-demand program request to ES.ES is used for the program point that will be received
Broadcast request and be transmitted to CS, and the Media Stream of program is pushed to by STB with a broadcast mode.Correspondingly, CS is additionally operable to a broadcast mode
Program ID identifies the Media Stream of program in the play-on-demand program request received to ES push.
In a specific example of the above-mentioned system embodiment that iTV request programs are converted to group broadcasting program of the present invention,
UM can specifically detect the play-on-demand program request that each STB is sent from ES.
Further, referring back to Fig. 1 and Fig. 6, the system that iTV request programs are converted to group broadcasting program in the present invention is another
In individual embodiment, MM can also be included, for store pre-set each program interruption non-program content duration T, intercut it is non-
The time parameter t0 and t1 of programme content.
In addition, another in the above-mentioned system embodiment that iTV request programs are converted to group broadcasting program of the present invention is specific
In example, when each STB in RRS control user's groups adds multicast group before association video media stream broadcasting terminates, specifically may be used
To control the STB user that playing progress rate is most fast in user's group to add multicast group when playing the t1 moment, control playing progress rate is most slow
STB add multicast group when playing to the t0 moment, control playing progress rate STB placed in the middle is being played to any between t0~t1
Multicast group is added during moment tx.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and its
The difference of its embodiment, same or analogous part cross-reference between each embodiment.For system embodiment
For, because it is substantially corresponding with embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Method, the system of the present invention may be achieved in many ways.For example, software, hardware, firmware or soft can be passed through
Part, hardware, firmware any combinations come realize the present invention method and system.The said sequence of the step of for methods described is only
It is to illustrate, is not limited to order described in detail above the step of method of the invention, unless otherwise especially
Explanation.In addition, in certain embodiments, the present invention can be also embodied as recording program in the recording medium, these program bags
Include the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covering storage is used to perform according to this
The recording medium of the program of the method for invention.
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The present invention is solved so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (12)
1. the method that interactive television (iTV) request program is converted to group broadcasting program by one kind, it is characterised in that including：
User's collecting device UM detects the play-on-demand program request that each set top box STB is sent, and play-on-demand program request includes STB use
Program identification ID, program request moment and the user's id information of family request program, wherein, one program of program ID unique marks, user
One set-top box users of ID unique marks；
Time interval between the same program of program request and program request moment and earliest program request moment is less than the STB of 2T durations by UM
It is arranged to a user's group；Wherein, T be program ID pre-set, described identify intercutted in program non-program content when
Long, T value is the integer more than 0；
Each STB includes to the playing progress rate of the Media Stream of request program, the Media Stream of the request program in UM monitoring user's groups
The Media Stream for the non-program content that the period intercutted in the program is t0~t1, playing duration is T, the program are in place
In the Media Stream of the front portion content before the non-program content and in the latter portion after the non-program content
Divide the Media Stream of content, wherein, t0, t1 are respectively the time interval that the moment is commenced play out apart from the program, t0 and t1 difference
For the integer and t1 more than 0>t0；
Center media server CS generates one since the t1 moment, the association video media stream that playing duration is T, and described
When the most fast STB of playing progress rate was played to the t1 moment in user's group, with multicast mode by edge media server ES to multicast group
Interior each STB push multicast media stream, the multicast media stream include the Media Stream and in the rear of the rear portion content
The association video media stream inserted before the Media Stream of a part of content, wherein, the content of the association video is described
A part for programme content；
Routing server RRS is asked to control each STB in the user's group before the association video media stream broadcasting terminates
Multicast group is added, and indicates that CS stops pushing the Media Stream of the program to the STB for adding the multicast group with a broadcast mode.
2. according to the method for claim 1, it is characterised in that detect each set top box STB in user's collecting device UM
Before the play-on-demand program request of transmission, methods described also includes：
STB sends play-on-demand program request to ES；
The play-on-demand program received request is transmitted to CS by ES；
Program ID identifies the Media Stream of program in the play-on-demand program request that CS is received with a broadcast mode to ES push, by ES with
The Media Stream of the program is pushed to the STB by point broadcast mode.
3. according to the method for claim 2, it is characterised in that the content of the association video is specially the front portion
The inside part in perhaps described rear portion content.
4. according to the method for claim 2, it is characterised in that the play-on-demand program that UM specifically detects each STB transmissions from ES please
Ask.
5. according to the method for claim 2, it is characterised in that also include：
In advance set on content management server the duration T of each program interruption non-program content, intercut non-program content when
Between parameter t0 and t1.
6. according to the method described in claim 2 to 5 any one, it is characterised in that the RRS is controlled in the user's group
Each STB adds multicast group before the association video media stream broadcasting terminates to be included：
RRS controls the STB user that playing progress rate is most fast in the user's group to add multicast group when playing the t1 moment, and control plays
The most slow STB of progress adds the multicast group when playing to the t0 moment, control playing progress rate STB placed in the middle play to t0~
The multicast group is added during any time tx between t1.
7. the system that interactive television (iTV) request program is converted to group broadcasting program by one kind, it is characterised in that including：
User collecting device UM, the play-on-demand program request sent for detecting each set top box STB, play-on-demand program request include
Program identification ID, program request moment and the user's id information of STB user's request program, wherein, one program of program ID unique marks,
One set-top box users of ID unique mark；By between the same program of program request and program request moment and earliest program request moment
The STB that time interval is less than 2T durations is arranged to a user's group；Wherein, T is identified section by program ID pre-set, described
The duration of non-program content is intercutted in mesh, T value is the integer more than 0；And monitoring user's group in each STB to request program
Media Stream playing progress rate, the Media Stream of the request program be included in period for being intercutted in the program for t0~t1,
Playing duration is the Media Stream of T non-program content, the program in the front portion before the non-program content
The Media Stream of appearance and the Media Stream in the rear portion content after the non-program content, wherein, t0, t1 be respectively away from
From the time interval that the program commences play out the moment, the integer and t1 of t0 and t1 respectively more than 0>t0；
Center media server CS, for generating one since the t1 moment, the association video media stream that playing duration is T, and
When the most fast STB of playing progress rate was played to the t1 moment in the user's group, by edge media server ES with multicast mode
Each STB push multicast media streams into multicast group, the Media Stream of the multicast media stream including the rear portion content and
The association video media stream inserted in the rear before the Media Stream of a part of content, wherein, the association video it is interior
Hold for a part for the programme content；
Routing server RRS is asked, for controlling each STB in the user's group to terminate in the association video media stream broadcasting
Multicast group is added before, and indicates that CS stops pushing the Media Stream of the program to the STB for adding the multicast group with a broadcast mode.
8. system according to claim 7, it is characterised in that also include：
STB, for sending play-on-demand program request to the ES；
The ES, for the play-on-demand program received request to be transmitted into the CS；And with a broadcast mode by the matchmaker of the program
Body stream is pushed to the STB；
The CS, program ID identifies the matchmaker of program in the play-on-demand program request for being additionally operable to receive to ES push with a broadcast mode
Body stream.
9. system according to claim 8, it is characterised in that the content of the association video is specially the front portion
The inside part in perhaps described rear portion content.
10. system according to claim 8, it is characterised in that the UM specifically detects the program point of each STB transmissions from ES
Broadcast request.
11. system according to claim 9, it is characterised in that also include：
Content management server, for storing the duration T of each program interruption non-program content pre-set, intercutting in non-program
The time parameter t0 and t1 of appearance.
12. according to the system described in claim 8 to 11 any one, it is characterised in that the RRS specifically controls the user
The most fast STB user of playing progress rate adds multicast group when playing the t1 moment in group, and the most slow STB of control playing progress rate is being played
The multicast group is added during to the t0 moment, control playing progress rate STB placed in the middle is being played to any time tx between t0~t1
When add the multicast group.
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| CN201410229749.3A CN105282566B (en) | 2014-05-28 | 2014-05-28 | Interactive television request program is converted to the method and system of group broadcasting program |
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| CN1859562A (en) * | 2006-03-13 | 2006-11-08 | 华为技术有限公司 | Video ordered telecasting method, system, server and terminal |
| CN101060617A (en) * | 2007-05-22 | 2007-10-24 | 华为技术有限公司 | A video-on-demand control method, customer terminal equipment and switching control device |
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| KR100928397B1 (en) * | 2008-04-24 | 2009-11-23 | 한양대학교 산학협력단 | System for transmitting / receiving video using transport stream segmentation |
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| CN1859562A (en) * | 2006-03-13 | 2006-11-08 | 华为技术有限公司 | Video ordered telecasting method, system, server and terminal |
| CN101060617A (en) * | 2007-05-22 | 2007-10-24 | 华为技术有限公司 | A video-on-demand control method, customer terminal equipment and switching control device |
| CN101110690A (en) * | 2007-07-27 | 2008-01-23 | 中兴通讯股份有限公司 | System and method for multicast controlling in ordering business management system |
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