CN102917253B - Time-moving television control method for playing back and time-shifted television system - Google Patents
Time-moving television control method for playing back and time-shifted television system Download PDFInfo
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Abstract
The present invention provides a kind of TSTV control method for playing back and TSTV system.Set Top Box redirects signal according to the program obtained, and sends target programme information request message to two-way EPG server, and two-way EPG server obtains and return the time started information of target program according to target programme information request message；Then, Set Top Box sends the time shift positioning playing request message of the time started information including target program to VOD server, and VOD server is according to programme content corresponding to the time started information pushing of target program.Use TSTV control method for playing back and the TSTV system of present invention offer, it is possible to the program watched needed for directly playing according to home network, improve and play the efficiency controlled.
Description
Technical field
The present embodiments relate to time-moving television (Time Shift Television is called for short TSTV) technology, particularly relate to
A kind of time-moving television control method for playing back and time-shifted television system.
Background technology
At present, in internet television (Internet ProtoCol Television is called for short IPTV) and video request program
In the solutions relevant to video playback such as (Video on Demand are called for short VOD), TSTV business is a kind of important industry
Business form.Using TSTV business, user, during viewing TV programme, can carry out interactive behaviour to TV programme
Make, such as TV programme are suspended, rewind, the operation such as F.F..Using TSTV, user is no longer as using traditional tv
Program can only be watched passively, but can actively control the broadcasting of TV programme.
TSTV control method for playing back in existing IPTV or VOD technology is, user watch support time shift channel time,
Shifting state when pressing " retrogressing " key or the entrance of " time shift " key is first passed through under live state；When entering after shifting state, logical
Cross and press " rewind " key or " F.F. " key, the program that rewind or this channel of F.F. are play, find the video pictures needed for this user；
After finding required video pictures, confirm by pressing " broadcasting " key, then TSTV system starts to continue to broadcast from this picture
Put.
Using existing TSTV control method for playing back, user can only find required program by the way of fast forward and fast reverse
Content, if user needs to watch the programme content longer with current live moment interval time, then needs to carry out for a long time
Fast forward and fast reverse operates, and plays the efficiency controlled low, very flexible.
Summary of the invention
The embodiment of the present invention provides a kind of TSTV control method for playing back, and in order to solve defect of the prior art, raising is broadcast
Put control efficiency.
The embodiment of the present invention also provides for a kind of TSTV system, in order to solve defect of the prior art, improves and plays control
Efficiency.
The embodiment of the present invention provides a kind of time-moving television TSTV control method for playing back, including:
Program according to obtaining redirects signal, and sending target programme information to bidirectional electronic program guide EPG server please
Seek message, so that described two-way EPG server obtains and return described target joint according to described target programme information request message
Purpose time started information；
The time shift positioning playing sending the time started information including described target program to video on demand server please
Seek message, so that described VOD server is according to programme content corresponding to the time started information pushing of described target program.
The embodiment of the present invention also provides for a kind of time-moving television TSTV system, including:
Set Top Box, for redirecting signal according to the program obtained, sends target to bidirectional electronic program guide EPG server
Programme information request message, sends the time shift of the time started information including described target program to video on demand server
Positioning playing request message；
Described two-way EPG server, for obtaining and to described Set Top Box according to described target programme information request message
Return the time started information of described target program；
Described VOD server, pushes correspondence for the time started information according to described target program to described Set Top Box
Programme content.
As shown from the above technical solution, in the embodiment of the present invention, Set Top Box redirects signal according to the program obtained, and first passes through
Target programme information request message obtains the time started information of target program from two-way EPG server, further according to target program
Time started information obtain, from VOD server, the programme content that this time started information is corresponding such that it is able to suitable according to program
The program that sequence is watched needed for directly playing, improves and plays the efficiency controlled.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the TSTV control method for playing back of the embodiment of the present invention one；
Fig. 2 is the signaling process figure of the TSTV control method for playing back of the embodiment of the present invention two；
Fig. 3 is the signaling process figure of the TSTV control method for playing back of the embodiment of the present invention three；
Fig. 4 is that in the embodiment of the present invention two and the embodiment of the present invention three, the data structure of the programme information of time shifting channel is shown
It is intended to；
Fig. 5 is the structural representation of the TSTV system of the embodiment of the present invention four；
Fig. 6 is the structural representation of the TSTV system of the embodiment of the present invention five.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Fig. 1 is the flow chart of the TSTV control method for playing back of the embodiment of the present invention one.As it is shown in figure 1, the method include as
Lower process.
Step 101: Set Top Box redirects signal, to bidirectional electronic program guide (Electronic according to the program obtained
Program Guide, is called for short EPG) server transmission target programme information request message, so that two-way EPG server is according to mesh
Mark programme information request message obtains and returns the time started information of target program.
Step 102: Set Top Box sends include that target saves to video request program (Video on Demand is called for short VOD) server
The time shift positioning playing request message of purpose time started information, so that VOD server was believed according to the time started of target program
Breath pushes corresponding programme content.
In the embodiment of the present invention one, Set Top Box redirects signal according to the program obtained, and first passing through target programme information please
Message is asked to obtain the time started information of target program from two-way EPG server, further according to the time started information of target program
The programme content that this time started information is corresponding is obtained such that it is able to directly play required according to home network from VOD server
The program watched, even if user needs the program watched longer with currently playing moment interval time, it is also possible to according to when starting
Between information directly find and play the programme content of correspondence, it is not necessary to existing control method for playing back like that by for a long time fast
Enter or fast reverse operation finds required programme content, thus improve the broadcasting control efficiency of TSTV.
TSTV control method for playing back in the invention described above embodiment one can be when Set Top Box be currently at live state
Application, shifting state when making Set Top Box enter by above-mentioned control method；Can also Set Top Box currently already at time shifting state
Shi Yingyong, by above-mentioned control method make Set Top Box time shifting state under carry out program and redirect.Real by the present invention individually below
Execute example two and the embodiment of the present invention three, the detailed process of TSTV control method for playing back in above-mentioned two situations is described.
Fig. 2 is the signaling process figure of the TSTV control method for playing back of the embodiment of the present invention two.In the embodiment of the present invention two,
Before using above-mentioned control method for playing back, as a example by Set Top Box is in live state.Concrete application scenarios is, Set Top Box is current
Playing live signal, TSTV user uses Set Top Box to watch live TV programme, in the case, if TSTV user
Need to watch the program play before current time, then can play out control according to flow process as shown in Figure 2.
As in figure 2 it is shown, the method includes following process.
First, use the TSTV control method for playing back of the embodiment of the present invention two, before user assigns broadcasting control command,
Need to first carry out following steps 201 to step 205, the equipment in TSTV system is carried out pre-configured.
Step 201: Content Management System storage time shifting channel information and the programme information of time shifting channel.
In this step, time shifting channel can be created by TSTV system maintenance personnel at Content Management System, and when arranging
Move channel information and the programme information of time shifting channel, the Content Management System time shifting channel information to arranging and time shifting channel
Programme information stores.
Step 202: Content Management System sends time shifting channel to VOD server and arranges request message.
In this step, Content Management System arranges to the time shifting channel that VOD server sends and asks message to include step
The time shifting channel information of storage in rapid 201.
Step 203:VOD server arranges time shifting channel.
In this step, the time shifting channel information that VOD server is arranged in request message according to time shifting channel arranges time shift
Channel.
Step 204: Content Management System synchronizes time shifting channel information and the programme of time shifting channel to two-way EPG server
Information.
In this step, the programme information of the time shifting channel that Content Management System synchronizes to two-way EPG server, having can
Can be the time shifting channel programme information sorted sequentially in time, it is also possible to be the time shift frequency sorted the most sequentially in time
Road programme information.
Step 205: two-way EPG server storage time shifting channel information and the programme information of time shifting channel.
In this step, the programme information of the time shifting channel of two-way EPG server storage is to sort sequentially in time
Time shifting channel programme information.Specifically, step 205 includes two kinds of situations.Situation one: if Content Management in step 204
The programme information of the time shifting channel that system synchronizes to two-way EPG server is the joint of the time shifting channel sorted sequentially in time
Mesh list information, the most in step 205, two-way EPG server directly stores and obtains sequentially in time from Content Management System
The programme information of the time shifting channel of sequence.Situation two: if Content Management System is same to two-way EPG server in step 204
The programme information that programme information is the time shifting channel sorted the most sequentially in time of the time shifting channel of step, the most two-way EPG
Server first to the programme information of the time shifting channel obtained from Content Management System according to time-sequencing, obtain according to the time
The programme information of the time shifting channel of order sequence, the time shift sorted sequentially in time obtained after then storing above-mentioned sequence
The programme information of channel.
Above-mentioned steps 201 to step 205 can foregoing manage system, VOD server, two-way EPG server and
It is immediately performed after the opening of device such as Set Top Box, it is also possible to after the said equipment is opened, determined that triggering is held by TSTV system maintenance personnel
The moment of row, but must complete to perform step 201 to the process of step 205 before above-mentioned steps 206.Then, performing
After above-mentioned steps 201 to step 205, when TSTV user uses Set Top Box to watch live TV programme, at Set Top Box
In live state, if now TSTV user needs to watch the program play before the current live time, the most permissible
Send program to Set Top Box and redirect signal, enter following steps 206.
Step 206: Set Top Box obtains program and redirects signal.
In this step, it is that TSTV user issues that the program that Set Top Box obtains redirects signal.Specifically, TSTV user can
With by the remote controller of Set Top Box or arrange triggering key on the set-top box, send program to Set Top Box and redirect signal.At this
In bright embodiment two, user issues program and redirects signal when watching programme televised live, therefore this program redirect signal can only
The program that sensing was play before the current live time, the standard time of current live time i.e. TSTV system, such as,
The standard time of TSTV system is 10:00 in the morning, then the current live time is 10:00 in the morning, and program redirects signal and can only point to
At the program that play before 10:00 in the morning, the such as program of 9:00 in the morning.The program that user issues redirect signal for
Indicate the target program that this user wishes to jump to.This target program is to return from actual program to play to be separated by the joint specifying number
Mesh.Such as, when being 1 when specifying number, this target program is a upper program of actual program, in the case, a kind of preferable
Embodiment be that TSTV user can arrange on a remote control or arrange " a upper program " on the set-top box press by pressing
Key, issues program to Set Top Box and redirects signal.This appointment number can also be other integer more than 1, such as, when specifying number
When being 3, this target program is the 3rd program play before actual program broadcasts, in the case, a kind of concrete
Embodiment is, on a remote control or can arrange the button of " return and specify number program " on Set Top Box, such as, be respectively provided with
" return 2 programs " button, " returning 3 programs " button etc., user can be according to the desired program watched and actual program
Number apart, presses the button of correspondence, such as, presses " returning 3 programs " button, issue program to Set Top Box and redirect signal；
Or, another kind of detailed description of the invention is can to arrange the numeral keys such as " return " key and " 1 ", " 2 ", " 3 " on a remote control, uses
" return " key and corresponding numeral can be pressed successively according to the desired program watched and actual program number apart in family
Key, presses " return " key and " 3 " key the most successively, issues program to Set Top Box and redirect signal.
Step 207: Set Top Box sends target programme information request message to two-way EPG server.
In this step, it is a upper joint that the program obtained when Set Top Box in step 206 redirects the target program of signal designation
During mesh, the target programme information request message that Set Top Box sends to two-way EPG server includes: redirect directioin parameter, channel
Mark (Identification is called for short ID) and current play time.In the embodiment of the present invention two, user watches straight
Issuing program when broadcasting program and redirect signal, the most above-mentioned directioin parameter that redirects can only be designated as returning broadcasting.In actual applications,
This can be redirected directioin parameter and be set to " return ".Above-mentioned channel ID is that the channel that current live state is being play is corresponding
ID.In actual applications, can be when set-top-box opening start, two-way EPG server issues time shifting channel list to Set Top Box,
This list includes the channel ID that each time shifting channel is the most corresponding.Above-mentioned current play time is the current live time, i.e. when
The standard time of front TSTV system.In actual applications, current play time can be obtained by Set Top Box self timing, it is also possible to
Being acquired from VOD server by Set Top Box, Set Top Box passes through real time streaming transport protocol (Real Time Streaming
Protocol, is called for short RTSP) parameter acquiring (be called for short Get_Parameter) message when VOD server obtains currently playing
Between.
The program obtained when Set Top Box in step 206 redirects the target program of signal designation for returning broadcasting from actual program
When being separated by the number program more than 1, such as the 3rd program play before target program is actual program, Set Top Box is to two-way
EPG server send target programme information request message in not only include: redirect directioin parameter, channel ID and currently playing time
Between, and also include: redirect program number.Such as, if target program is the 3rd program play before actual program, then
Redirecting program number is 3.
Step 208: two-way EPG server obtains the time started letter of target program according to target programme information request message
Breath.
In this step, during the beginning that two-way EPG server asks message to obtain target program according to target programme information
Between information method particularly includes: first, two-way EPG server is according to the channel ID in target programme information request message and current
Reproduction time, the programme information of the time shifting channel sorted sequentially in time of inquiry storage, obtain the beginning of actual program
Temporal information.After the time started information getting actual program, including two kinds of dispositions: be upper for target program
The situation of one program, two-way EPG server according to target programme information request message in redirect directioin parameter and actual program
Time started information, the programme information of the time shifting channel sorted sequentially in time of inquiry storage, obtain and redirect direction
On the time started information with actual program be divided into mutually 1 time started information, as the time started information of target program.
When target program is to play, from actual program return, the program being separated by number more than 1, two-way EPG server is according to jumping
Turn directioin parameter, redirect the time started information of program number and actual program, sorting sequentially in time of inquiry storage
The programme information of time shifting channel, obtains and redirects the time started information with actual program on direction and be separated by appointment and redirect program
The time started information of number, as the time started information of target program.
Further, after two-way EPG server obtains the time started information of actual program, stored by inquiry
Time shifting channel programme acquisition of information target program time started information while, it is also possible to get simultaneously target joint
The combination of one or more in the following information of purpose: heading message, profile information and end time information.Step 209: two-way
EPG server returns the time started information of target program to Set Top Box.
In this step, two-way EPG server returns the time started information of target program to Set Top Box.Further,
According to the needs of reality application, two-way EPG server while returning the time started information of target program to Set Top Box, also
Can be to the combination of one or more in the following information of Set Top Box return target program: heading message, profile information and knot
Bundle temporal information.
Step 210: Set Top Box sends time shift positioning playing request message to VOD server.
In this step, the time started information of the target program that Set Top Box returns according to two-way EPG server, to video
Program request VOD server sends time shift positioning playing request message.The time shift positioning playing request that Set Top Box sends to VOD server
Message includes: the time started information of target program.Further, according to the needs of reality application, Set Top Box is to VOD service
While the time shift positioning playing request message that device sends includes the time started information of target program, it is also possible to include target
The combination of one or more in the following information of program: heading message, profile information and end time information.
Step 211:VOD server pushes in corresponding program to Set Top Box according to the time started information of target program
Hold.
In this step, VOD server is first according to this time started information of time started acquisition of information of target program
Corresponding programme content, then pushes this programme content to Set Top Box.Further, VOD server can also save according to target
The combination of one or more in the following information of purpose time started combining target program obtains the programme content of correspondence, bag
Include: the heading message of target program, profile information and end time information.
Step 212: Set Top Box plays the programme content that VOD server pushes.
In this step, the program that the time started information of the target program that Set Top Box plays VOD server propelling movement is corresponding
Content.
In the embodiment of the present invention two, when Set Top Box is in live state, user is by " a upper program " button or " returns
Returning " button combines digital keys and issues program to Set Top Box and redirect signal, makes Set Top Box shifting state when live state is switched to,
Set Top Box first passes through target programme information request message and obtains the time started information of target program from two-way EPG server, then
Time started information according to target program obtains, from VOD server, the programme content that this time started information is corresponding, it is thus possible to
The program watched needed for enough directly playing according to home network, thus improve the broadcasting control efficiency of TSTV, and improve
TSTV plays the motility controlled.
Fig. 3 is the signaling process figure of the TSTV control method for playing back of the embodiment of the present invention three.In the embodiment of the present invention three,
To use before above-mentioned control method for playing back, Set Top Box already at time shifting state as a example by.Concrete application scenarios is, is performing
After the TSTV control method for playing back of the invention described above embodiment two, shifting state when Set Top Box enters, playing shifted signal,
TSTV user uses Set Top Box to watch time-moving television program, in the case, if TSTV user needs to watch that time-moving television saves
The program before or after currently playing time-moving television program in mesh, then can broadcast according to flow process as shown in Figure 3
Put control.Specifically, after above-mentioned steps 212, perform the flow process shown in Fig. 3.As it is shown on figure 3, the method includes mistake as follows
Journey.
Step 301: Set Top Box obtains program and redirects signal.
In this step, it is that TSTV user issues that the program that Set Top Box obtains redirects signal.Specifically, TSTV user can
With by the remote controller of Set Top Box or arrange triggering key on the set-top box, send program to Set Top Box and redirect signal.At this
In bright embodiment three, user issues program and redirects signal when watching time shift program, and this set-top box is already at time shift
State, be currently played is time shift program, and current play time is certain time before the TSTV system standard time.Example
As, the standard time of current TS TV system is 10:00 in the morning, and currently playing time shift program is the program of 8:00 in the morning, then when
Front reproduction time is 8:00 in the morning.Therefore, this program redirects signal and the most likely points to and broadcast before current play time
The program let slip, the such as program of 7:00 in the morning, it is also possible to point to after current play time and in current TS TV system
Standard time before the program play, the such as program of 9:00 in the morning.The program that user issues redirect signal for
Indicate the target program that this user wishes to jump to.This target program is to return from actual program to play to be separated by the joint specifying number
Mesh, or the program being separated by appointment number is play from actual program continuation.Such as, when being 1 when specifying number, this target program is
A upper program of actual program or next program.In the case, one preferably embodiment is that TSTV user can pass through
Press and arrange on a remote control or " a upper program " button on the set-top box or " next program " button are set, under Set Top Box
Send out program and redirect signal.This appointment number can also be other integer more than 1, such as, when being 3 when specifying number, and this target
Program is the 3rd program play before actual program broadcasts, or this target program is to broadcast at actual program
The 3rd program afterwards and play before the standard time of current TS TV system, in the case, a kind of concrete real
The mode of executing is, on a remote control or can arrange button or " the appointment number of advancing of " return and specify number program " on Set Top Box
Program " button, be such as respectively provided with " returning 2 programs " button, " returning 3 programs " button, " advance 2 programs " are pressed
Key, " advance 3 programs " button etc., user can according to the desired program watched actual program broadcast before or after,
And with actual program number apart, press correspondence button, such as press " returning 3 programs " button or " advance 3 joints
Mesh " button, issue program to Set Top Box and redirect signal；Or, another kind of detailed description of the invention is to arrange on a remote control
" returning " numeral keys such as key, " advance " key and " 1 ", " 2 ", " 3 ", user can be according to the desired program watched and actual program
Number apart, first presses " return " key or " advance " key, is then pressing the numeral keys of correspondence, pressing " return " the most successively
Key and " 3 " key, or press " advance " key and " 3 " key successively, issue program to Set Top Box and redirect signal.
Step 302: Set Top Box sends target programme information request message to two-way EPG server.
In this step, it is a upper joint that the program obtained when Set Top Box in step 301 redirects the target program of signal designation
When mesh or next program, the target programme information request message that Set Top Box sends to two-way EPG server includes: redirect direction
Parameter, channel ID and current play time.In the embodiment of the present invention three, user issues program when watching time shift program
Redirecting signal, therefore, target program can be with a upper program of actual program or next program.Correspondingly, when target program it is
During the upper program of actual program, the above-mentioned directioin parameter that redirects is designated as returning and plays, and in actual applications, can this be redirected
Directioin parameter is set to " return "；When the next program that target program is actual program, the above-mentioned directioin parameter that redirects is designated as
Continue to play, in actual applications, this can be redirected directioin parameter and be set to " forward ".Above-mentioned channel ID is current time shift shape
The ID that channel that state is being play is corresponding.Above-mentioned current play time is the reproduction time of the time shift program being currently played.
The program obtained when Set Top Box in step 301 redirects the target program of signal designation for returning broadcasting from actual program
Or when continuing to play the program being separated by number more than 1, such as the 3rd program play before target program is actual program,
Or the 3rd joint play after target program is actual program and before the standard time of current TS TV system
Mesh, not only includes in the target programme information request message that Set Top Box sends to two-way EPG server: redirect directioin parameter, frequently
Road ID and current play time, and also include: redirect program number.Such as, if target program is to broadcast before actual program
The 3rd program put, or broadcast after target program is actual program and before the standard time of current TS TV system
The 3rd program let slip, then redirecting program number is 3.
Step 303: two-way EPG server obtains the time started letter of target program according to target programme information request message
Breath.
In this step, during the beginning that two-way EPG server asks message to obtain target program according to target programme information
Between the concrete grammar of information identical with the concrete grammar that the step 208 of the embodiment of the present invention two is recorded, do not repeat them here.Its
In, specifically, in a step 208, redirecting direction can only be " return ", and two-way EPG server, can only when finding target program
From the beginning of the sart point in time of actual program, inquire about towards the time early than the direction of this time point.And in step 303,
Redirecting direction and be likely to be " return " it could also be possible that " forward ", two-way EPG server is when finding target program, for redirecting
Direction is the situation of " return ", from the beginning of the sart point in time of actual program, carries out towards the time early than the direction of this time point
Inquiry；When redirecting direction for " forward ", from the beginning of the sart point in time of actual program, it is later than this time towards the time
The direction of point is inquired about.
Step 304: two-way EPG server returns the time started information of target program to Set Top Box.
In this step, two-way EPG server is to the concrete grammar of the time started information of Set Top Box return target program
Identical with the concrete grammar that the step 209 of the embodiment of the present invention two is recorded, do not repeat them here.
Step 305: Set Top Box sends time shift positioning playing request message to VOD server.
In this step, Set Top Box to VOD server send time shift positioning playing request message concrete grammar with this
The concrete grammar that the step 210 of bright embodiment two is recorded is identical, does not repeats them here.
Step 306:VOD server pushes in corresponding program to Set Top Box according to the time started information of target program
Hold.
In this step, VOD server pushes corresponding program according to the time started information of target program to Set Top Box
The concrete grammar that the concrete grammar of content is recorded with the step 211 of the embodiment of the present invention two is identical, does not repeats them here.
Step 307: Set Top Box plays the programme content that VOD server pushes.
In this step, Set Top Box plays concrete grammar and the embodiment of the present invention of the programme content that VOD server pushes
The concrete grammar that the step 212 of two is recorded is identical, does not repeats them here.
After step 307, Set Top Box still in time shifting state time, when user needs again to redirect the time shift electricity of broadcasting
Depending on program, the process of above-mentioned steps 301 to step 307 can be repeated.
In the embodiment of the present invention three, when Set Top Box is in during shifting state, user can pass through " a upper program " button
Or " next program " button, or use " return " button or " advance " button binding number keyboard, issue program to Set Top Box and redirect
Signal, to change the time-moving television program play, Set Top Box first passes through target programme information request message from two-way EPG server
Obtain the time started information of target program, further according to the time started information of target program from the beginning of VOD server obtains this
The programme content that temporal information is corresponding such that it is able to the program watched needed for directly playing according to home network, thus improve
The broadcasting control efficiency of TSTV, and improve the motility playing control of TSTV.
Between step 210 and the step 211 of the invention described above embodiment two, and/or the step of the embodiment of the present invention three
Between 305 and step 306, it is also possible to include the step that the time started of target program is differentiated.Specifically, the present invention is real
After executing the step 210 of example two, and/or after the step 305 of the embodiment of the present invention three, comprise the steps:
VOD server judges whether the time started of target program is time shift initial time or current live time.
If VOD server judges that the time started of target program is time shift initial time, then VOD server is to Set Top Box
Return notice (Announce) message for indicating time shift event to the end.One preferably embodiment is, TSTV system
Control protocol use RTSP agreement, VOD server when the time started judging target program is time shift initial time, Xiang Jiding
Box sends a notification message, and the value of the event indicating bit in this notification message uses the value of instruction time shift event to the end, is used for
Inform that the time started of target program has arrived at time shift initial time to Set Top Box.Set Top Box is receiving VOD server return
After indicating the notification message of time shift event to the end, time shift information to the end can be play to user.
If VOD server judges that the time started of target program is the current live time, VOD server returns to Set Top Box
It is back to instruction and arrives the notification message of live time-event.One preferably embodiment is, the control protocol of TSTV system
Using RTSP agreement, VOD server, when the time started judging target program is the current live time, sends logical to Set Top Box
Knowing message, the value correspondence of the event indicating bit in this notification message arrives the value of live time-event, for Set Top Box
Inform that the time started of target program has arrived at the current live time.Set Top Box receive VOD server return for referring to
Show after arriving the notification message of live time-event, can from time shifting state switch back into live state, do not playing shifted signal,
And change into playing live signal.
If VOD server judges when the time started of target program is neither time shift initial time is not current live
Between, then continue executing with step 211 and/or the step 306 of the embodiment of the present invention three of the embodiment of the present invention two, VOD server root
Pushing corresponding programme content according to the time started information of target program to Set Top Box, Set Top Box plays what VOD server pushed
Programme content.
Below by way of a specific embodiment, to the step 208 in the invention described above embodiment two and the embodiment of the present invention
In step 303 in three, two-way EPG server obtains the time started letter of target program according to target programme information request message
The detailed process of breath illustrates.In the embodiment of the present invention two and the embodiment of the present invention three, typically by attendant's root of TSTV
According to the programme arrangement of channel, import the programme information in following a period of time the most in the content management system, then after importing
If programme arrangement changes, then by attended operation, the programme information imported is adjusted.
Fig. 4 is that in the embodiment of the present invention two and the embodiment of the present invention three, the data structure of the programme information of time shifting channel is shown
It is intended to.Below using the programme information shown in Fig. 4 as the programme information of the above-mentioned time shifting channel sorted sequentially in time
As a example by, and as a example by the target program next program as actual program, the detailed process of step 208 and step 303 is carried out
Describe in detail.
As shown in Figure 4, in the programme information of this time shifting channel sorted sequentially in time, in the Chinese Central Television (CCTV)
On 1 channel, the time interval between each program with program connects.Such as: see Fig. 4, " juvenile's program " is from December 31
Days 18: 40 separately begin, and terminate 19 o'clock sharps on the 31st to December；The next program of " juvenile's program " is " news hookup ", and " news joins
Broadcast " from 31 19 o'clock sharps of December, within 19: 30 on the 31st, terminate to December；The next program of " news hookup " is that " focus is visited
Talk ", " Focus " is separately begun from December for 31 days 19: 30, within 19: 45 on the 31st, terminates to December.
In the invention described above embodiment two, it is assumed that user is the most watching that programme televised live, current live time are: 12
19: 10 on the 31st moon.After user presses " a upper program " button, the parameter carried during set-top box requests EPG is as follows: the side of redirecting
To parameter be " return ", current play time be " 20101231191000 ", channel ID be the " frequency of the Chinese Central Television (CCTV) the 1st channel
Road ID ".
First, two-way EPG server, according to the channel ID in target programme information request message and current play time, is looked into
Ask the programme information of the time shifting channel sorted sequentially in time of storage, obtain the time started information of actual program.Tool
Body ground, two-way EPG server is that " the channel ID of the Chinese Central Television (CCTV) the 1st channel ", current play time are according to channel ID
" 20101231191000 " inquiry programme information, the time started information obtaining actual program is " 20101231190000 ".
Then, two-way EPG server according to target programme information request message in redirect directioin parameter and actual program
Time started information, the programme information of the time shifting channel sorted sequentially in time of inquiry storage, obtain target program
Time started information.Specifically, two-way EPG server according to redirecting directioin parameter for " return ", inquire about this channel with open
Beginning temporal information is the upper program that the program of " 20101231190000 " is nearest, then inquires about the attribute letter of a program on this
Breath, obtains its time started for " 20101231184000 ", as the time started information of target program.Further, at this
On the basis of, obtaining while a program start time is " 20101231184000 " on this, it is also possible to obtain on this one simultaneously
The combination of one or more in the following information of program: heading message be " juvenile's program ", profile information be " juvenile's program ",
End time information is " 20101231190000 ".
In subsequent step, two-way EPG server returns target program start time to Set Top Box and is
“20101231184000”.Thus, Set Top Box can get a upper program " juvenile's program " of actual program " news hookup "
Time started be " 20101231184000 ".Set Top Box sends time shift positioning playing request message, this message to VOD server
In carry time started of target program for " 20101231184000 ".VOD server from 20101231184000 moment to machine
Top box pushes time shift program request stream.Further, on this basis, " juvenile's program " is returned at two-way EPG server to Set Top Box
Time started be " 20101231184000 " while, it is also possible to return the group of one or more in following information simultaneously
Close；The time shift positioning playing request message that Set Top Box sends to VOD server includes that the time started carrying target program is
While " 20101231184000 ", it is also possible to write the combination of one or more in following information: heading message is " juvenile
Program ", profile information be " juvenile's program ", end time information be " 20101231190000 ".
Fig. 5 is the structural representation of the TSTV system of the embodiment of the present invention four.As it is shown in figure 5, this system at least includes: machine
Top box 51, two-way EPG server 52 and VOD server 53.
Wherein, Set Top Box 51, for redirecting signal according to the program obtained, sends target program to two-way EPG server 52
Information request message, receives the time started information of the target program that two-way EPG server 52 returns, to VOD server 53
Send the time shift positioning playing request message of the time started information including described target program.
Two-way EPG server 52 for obtaining the time started of target program according to above-mentioned target programme information request message
Information, and return to Set Top Box 51.
VOD server 53 pushes the program of correspondence for the time started information according to above-mentioned target program to Set Top Box 51
Content.
In the embodiment of the present invention four, Set Top Box redirects signal according to the program obtained, and first passing through target programme information please
Message is asked to obtain the time started information of target program from two-way EPG server, further according to the time started information of target program
Obtain, from VOD server, the programme content that this time started information is corresponding, thus Set Top Box directly can be broadcast according to home network
The program watched needed for putting, improves the broadcasting control efficiency of TSTV.
Fig. 6 is the structural representation of the TSTV system of the embodiment of the present invention five.As shown in Figure 6, this system includes: Set Top Box
51, two-way EPG server 52, VOD server 53 and Content Management System 54.
Wherein, Set Top Box 51, for redirecting signal according to the program obtained, sends target program to two-way EPG server 52
Information request message, receives the time started information of the target program that two-way EPG server 52 returns, to VOD server 53
Send the time shift positioning playing request message of the time started information including described target program.
Two-way EPG server 52 for obtaining the time started of target program according to above-mentioned target programme information request message
Information, and return to Set Top Box 51.
VOD server 53 pushes the program of correspondence for the time started information according to above-mentioned target program to Set Top Box 51
Content.
On the basis of technique scheme, Content Management System 54 is for storing time shifting channel information and time shifting channel
Programme information, sends to VOD server 53 and includes that the time shifting channel of time shifting channel information arranges request message, to two-way EPG
Server 52 synchronizes the programme information of described time shifting channel information and described time shifting channel.VOD server 53 is additionally operable to basis
Time shifting channel arranges request message and arranges time shifting channel.Two-way EPG server 52 is additionally operable to store time shifting channel information and time shift
The programme information of channel.
On the basis of technique scheme, if the time shift that Content Management System 54 synchronizes to two-way EPG server 52
The programme information that programme information is the time shifting channel sorted sequentially in time of channel, the most two-way EPG server 52 has
Body is for the programme information of the directly time shifting channel sorted sequentially in time that storage obtains from Content Management System 54.Or
Person, if the programme information of time shifting channel that Content Management System 54 synchronizes to two-way EPG server 52 is not according to the time
The programme information of the time shifting channel of order sequence, the most two-way EPG server 52 is specifically for obtaining from Content Management System 54
The programme information of the time shifting channel taken, according to time-sequencing, obtains the programme letter of the time shifting channel sorted sequentially in time
Cease and store.
On the basis of technique scheme, target programme information request message may include that and redirects directioin parameter, channel
ID and current play time.Two-way EPG server 52 is specifically for inquiring about pressing of storage according to channel ID and current play time
According to the programme information of the time shifting channel of time sequencing sequence, obtain the time started information of actual program, according to redirecting direction
The programme information of the time shifting channel sorted sequentially in time of the time started information inquiry storage of parameter and actual program,
Acquisition redirects the time started information with actual program on direction and is divided into the time started information of 1 mutually, as target program
Time started information.
On the basis of technique scheme, target programme information request message not only includes: redirect directioin parameter, frequently
Road ID and current play time, but also include: redirect program number.Two-way EPG server 52 is specifically for according to described frequency
The programme information of the time shifting channel sorted sequentially in time of road ID and current play time inquiry storage, obtains and works as prosthomere
Purpose time started information, the time started information inquiry according to redirecting directioin parameter, redirecting program number and actual program is deposited
The programme information of the time shifting channel sorted sequentially in time of storage, obtain redirect on direction with the beginning of actual program time
Between information be separated by and specify the time started information of program number of redirecting, as the time started information of target program.
On the basis of technique scheme, Set Top Box 51 is additionally operable to play VOD server 53 opening according to target program
The corresponding programme content that beginning temporal information pushes.
On the basis of technique scheme, VOD server 53 is additionally operable to judge that whether the time started of target program is
Time shift initial time or current live time.If time shift initial time, VOD server 53 returns to Set Top Box 51 and is used for referring to
Show the notification message of time shift event to the end.Set Top Box 51 can display to the user that instruction time shift information to the end.If
The current live time, VOD server 53 returns for indicating the notification message arriving live time-event to Set Top Box 51.Machine top
Box 51 can from time shifting state be switched to live state, do not continue to play shifted signal, and commence play out live signal.If
Neither time shift initial time is not the most the current live time, VOD server 53 pushes away according to the time started information of target program
Send the programme content of correspondence.
On the basis of technique scheme, above-mentioned target program is to return from actual program to play to be separated by appointment number
Program, or the program being separated by appointment number is play from actual program continuation.
Above the TSTV system realizing the TSTV control method for playing back that the present invention proposes is illustrated, in this system
Annexation between each ingredient is identical with the annexation in TSTV system of the prior art.Each composition above-mentioned
Part is while realizing the above-mentioned functions of the embodiment of the present invention four and the embodiment of the present invention five, it is also possible to be provided simultaneously with existing
The existing capability of corresponding ingredient in TSTV system.Hereinafter above-mentioned ingredient existing capability in TSTV system is carried out
Briefly introducing, the concrete function of above-mentioned ingredient is not limited to function introduced below, in prior art in TSTV system
Corresponding function is all desirably integrated in the ingredient of correspondence and is achieved.
See Fig. 6, in existing TSTV system, include above-mentioned Set Top Box 51, two-way EPG server 52, VOD server
53 and Content Management System 54 while, it is also possible to include the live platform of DVB 55.The live platform of DVB 55 is for live signal
Carry out encoding, multiplexing, modulation etc. process, output process after live signal, this live signal by fibre-optic transmission system (FOTS) with
Broadband transmission (Hybrid Fiber-Coax the is called for short HFC) network that shaft cable distribution net combines sends VOD server 53 to,
Meanwhile, transmission stream (the Transport Stream over User of User Datagram Protocol it is carried on to VOD offer
Datagram Protocol, be called for short TS Over UDP) live signal.VOD server 53 is additionally operable to record, stores, distributes
Channel program, provides time shift program request plug-flow service to Set Top Box 51.Content Management System 54 is additionally operable to manage time shifting channel information
Metadata and the metadata of programme information, be distributed to two-way EPG server 52, by two-way EPG server 52 to Set Top Box
51 issue time shifting channel list and programme information.Set Top Box 51 completes the displaying of time-shift service and plays control.In the present invention
In the TSTV system of embodiment four and the embodiment of the present invention five, still can be by " a upper program " or " next program " button
While controlling time shifting broadcasting, the compatible existing method playing out control by " retrogressing " or " time shift " button.User exists
Watch support time shift live time, press " retrogressing " or " time shift " button of Set Top Box 51, Set Top Box 51 is to VOD server 53
The time shifting broadcasting giving this channel is asked.VOD server 53 can pass through Internet protocol, and (Internet Protocol is called for short
IP) network or wired (Cable) network push rewind program request flow to Set Top Box 51.Set Top Box 51 is switched to program request from live frequency
Frequency, exits live multicast also in IPTV (Internet Protocol Television is called for short IPTV)
Receive clean culture time shift program request signal.Time shifting state under, Set Top Box 51 can carry out the trick-play operation such as F.F., rewind, broadcasting, when
When F.F. pulls up to live progress, Set Top Box 51 is live from time shift program request switchback.
In the embodiment of the present invention five, the time shifting channel information of storage is sent to VOD service by Content Management System in advance
Device, and by the time shifting channel information of storage and the programme synchronizing information of time shifting channel to two-way EPG server, Set Top Box according to
The program obtained redirects signal, first obtains the time started information of target program from two-way EPG server, further according to target program
Time started information obtain corresponding programme content from VOD server, thus Set Top Box directly can be broadcast according to home network
The program watched needed for putting, improves the broadcasting control efficiency of TSTV.
It should be understood that for aforesaid each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should know
Knowing, embodiment described in this description belongs to preferred embodiment, involved action and the module not necessarily present invention
Necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not has the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through
The hardware that programmed instruction is relevant completes, and aforesaid program can be stored in a computer read/write memory medium, this program
Upon execution, perform to include the step of said method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or light
The various medium that can store program code such as dish.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (12)
1. a time-moving television TSTV control method for playing back, it is characterised in that including:
Set Top Box redirects signal according to the program obtained, and sends target programme information to bidirectional electronic program guide EPG server
Request message, so that described two-way EPG server obtains and returns described target according to described target programme information request message
The time started information of program；
Described Set Top Box sends the time shift location of the time started information including described target program to video on demand server
Playing request message, so that described VOD server is according in program corresponding to the time started information pushing of described target program
Hold；
Wherein, the described time shift positioning playing request sending the time started information including described target program to VOD server
After message, before described VOD server is according to the programme content that the time started information pushing of described target program is corresponding, also
Including:
Described VOD server judges whether the time started of described target program is time shift initial time or current live time；
If time shift initial time, described VOD server returns the notification message for indicating time shift event to the end；
If the current live time, described VOD server returns for indicating the notification message arriving live time-event；
If neither time shift initial time is not the most the current live time, performs described VOD server and save according to described target
The step of the programme content that purpose time started information pushing is corresponding.
Method the most according to claim 1, it is characterised in that described Set Top Box redirects signal according to the program obtained, to
Before bidirectional electronic program guide EPG server sends target programme information request message, also include:
Content Management System storage time shifting channel information and the programme information of described time shifting channel；
Content Management System sends to described VOD server and includes that the time shifting channel of described time shifting channel information arranges request and disappears
Breath, so that described VOD server arranges time shifting channel；
Content Management System synchronizes described time shifting channel information and the programme of described time shifting channel to described two-way EPG server
Information, so that described two-way EPG server stores described time shifting channel information and the programme information of described time shifting channel.
Method the most according to claim 2, it is characterised in that
The programme information of the time shifting channel that described Content Management System synchronizes to described two-way EPG server is suitable according to the time
The programme information of the time shifting channel of sequence sequence, the most described two-way EPG server stores the programme information of described time shifting channel
Including: described two-way EPG server directly store from described Content Management System obtain described in sort sequentially in time
The programme information of time shifting channel；
Or, the programme information of the time shifting channel that described Content Management System synchronizes to described two-way EPG server be not according to
The programme information of the time shifting channel of time sequencing sequence, the most described two-way EPG server stores the program of described time shifting channel
Single information includes: the programme information of the described two-way EPG server time shifting channel to obtaining from described Content Management System is pressed
According to time-sequencing, obtain the programme information of the time shifting channel sorted sequentially in time and store.
Method the most according to claim 3, it is characterised in that
Described target programme information request message includes: redirect directioin parameter, channel identication ID and current play time；
Described two-way EPG server obtains the time started letter of described target program according to described target programme information request message
Breath includes: two-way EPG server inquires about the row sequentially in time of storage according to described channel ID and described current play time
The programme information of the time shifting channel of sequence, obtains the time started information of actual program；Two-way EPG server according to described in redirect
The time shifting channel sorted sequentially in time of storage described in the time started information inquiry of directioin parameter and described actual program
Programme information, obtain and redirect the time started information with actual program on direction and be divided into the time started information of 1 mutually, make
Time started information for target program.
Method the most according to claim 4, it is characterised in that
Described target programme information request message also includes: redirect program number；
Described two-way EPG server obtains the time started letter of described target program according to described target programme information request message
Breath includes: two-way EPG server inquires about the row sequentially in time of storage according to described channel ID and described current play time
The programme information of the time shifting channel of sequence, obtains the time started information of actual program；Two-way EPG server according to described in redirect
Directioin parameter, redirect the row sequentially in time of storage described in the time started information inquiry of program number and described actual program
The programme information of the time shifting channel of sequence, obtains and redirects the time started information with actual program on direction and be separated by appointment and redirect
The time started information of program number, as the time started information of target program.
Method the most as claimed in any of claims 1 to 5, it is characterised in that described VOD server is according to described mesh
Also include after the programme content corresponding to time started information pushing of mark program:
Play the described VOD server corresponding programme content according to the time started information pushing of described target program.
7. a time-moving television TSTV system, it is characterised in that including:
Set Top Box, for redirecting signal according to the program obtained, sends target program to bidirectional electronic program guide EPG server
Information request message, sends the time shift location of the time started information including described target program to video on demand server
Playing request message；
Described two-way EPG server, for obtaining according to described target programme information request message and return to described Set Top Box
The time started information of described target program；
Described VOD server, pushes corresponding joint for the time started information according to described target program to described Set Top Box
Mesh content；
Described VOD server is additionally operable to judge whether the time started of described target program is time shift initial time or current live
Time；
If time shift initial time, described VOD server returns for indicating the logical of time shift event to the end to described Set Top Box
Know message；
If the current live time, described VOD server returns to described Set Top Box and is used for indicating the live time-event of arrival
Notification message；
If neither time shift initial time is not the most the current live time, described VOD server is according to described target program
The programme content that time started information pushing is corresponding.
System the most according to claim 7, it is characterised in that described system also includes: Content Management System；
Described Content Management System is for storing the programme information of time shifting channel information and described time shifting channel, to described VOD
Server sends and includes that the time shifting channel of described time shifting channel information arranges request message, synchronizes to described two-way EPG server
Described time shifting channel information and the programme information of described time shifting channel；
Described VOD server is additionally operable to arrange request message according to described time shifting channel and arranges time shifting channel；
Described two-way EPG server is additionally operable to store the programme information of described time shifting channel information and described time shifting channel.
System the most according to claim 8, it is characterised in that
The programme information of the time shifting channel that described Content Management System synchronizes to described two-way EPG server is suitable according to the time
The programme information of the time shifting channel of sequence sequence, the most described two-way EPG server is specifically for directly storing from described content pipe
The programme information of the described time shifting channel sorted sequentially in time that reason system obtains；
Or, the programme information of the time shifting channel that described Content Management System synchronizes to described two-way EPG server be not according to
The programme information of the time shifting channel of time sequencing sequence, the most described two-way EPG server is specifically for from described content pipe
The programme information of the time shifting channel that reason system obtains according to time-sequencing, obtains the time shifting channel that sorts sequentially in time
Programme information also stores.
System the most according to claim 9, it is characterised in that
Described target programme information request message includes: redirect directioin parameter, channel identication ID and current play time；
Described two-way EPG server specifically for according to described channel ID and described current play time inquire about storage according to time
Between the programme information of time shifting channel of order sequence, obtain the time started information of actual program, redirect direction according to described
The joint of the time shifting channel sorted sequentially in time of storage described in the time started information inquiry of parameter and described actual program
Mesh list information, acquisition redirects the time started information with actual program on direction and is divided into the time started information of 1 mutually, as mesh
The time started information of mark program.
11. systems according to claim 10, it is characterised in that
Described target programme information request message also includes: redirect program number；
Described two-way EPG server specifically for according to described channel ID and described current play time inquire about storage according to time
Between the programme information of time shifting channel of order sequence, obtain the time started information of actual program, redirect direction according to described
Parameter, redirect sorting sequentially in time of storage described in the time started information inquiry of program number and described actual program
The programme information of time shifting channel, obtains and redirects the time started information with actual program on direction and be separated by appointment and redirect program
The time started information of number, as the time started information of target program.
12. according to the system described in any one in claim 7 to 11, it is characterised in that
Described Set Top Box is additionally operable to the correspondence playing described VOD server according to the time started information pushing of described target program
Programme content.
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| CN114786021B (en) * | 2021-01-22 | 2024-04-05 | 青岛海信宽带多媒体技术有限公司 | Method and device for controlling playing of live program based on intelligent set top box |
| CN113873335B (en) * | 2021-10-29 | 2024-05-10 | Vidaa(荷兰)国际控股有限公司 | Program time-shifting positioning playing method and display equipment |
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| CN101399965A (en) * | 2008-09-28 | 2009-04-01 | 中兴通讯股份有限公司 | Method and device for implementing media content positioning based on EPG server |
| CN101459809A (en) * | 2008-11-26 | 2009-06-17 | 天柏宽带网络科技（北京）有限公司 | Method and system for digital television program playing |
| CN102075795A (en) * | 2010-12-21 | 2011-05-25 | 深圳市同洲电子股份有限公司 | Method and system for releasing focus television programs |
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| CN101399965A (en) * | 2008-09-28 | 2009-04-01 | 中兴通讯股份有限公司 | Method and device for implementing media content positioning based on EPG server |
| CN101459809A (en) * | 2008-11-26 | 2009-06-17 | 天柏宽带网络科技（北京）有限公司 | Method and system for digital television program playing |
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