CN106973313A - A kind of digital television program control method for playing back and digital TV terminal - Google Patents
A kind of digital television program control method for playing back and digital TV terminal Download PDFInfo
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- CN106973313A CN106973313A CN201710102660.4A CN201710102660A CN106973313A CN 106973313 A CN106973313 A CN 106973313A CN 201710102660 A CN201710102660 A CN 201710102660A CN 106973313 A CN106973313 A CN 106973313A
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- program
- frequency
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4823—End-user interface for program selection using a channel name
Abstract
The invention provides a kind of digital television program control method for playing back and digital TV terminal, wherein method includes：Obtain service describing table；The rendition list is built according to the service describing table；Judge whether to detect the selection play operation to the target program in described the rendition list；If detecting the selection play operation to the target program in described the rendition list, Program Association Table, the program for obtaining the target program hint obliquely at table；The broadcasting that table carries out the target program is hinted obliquely at according to the Program Association Table and program, pass through technical scheme, it is to avoid complicated tuning plays step, so as to improve program broadcasting speed.
Description
Technical field
The present invention relates to digital TV technology, in particular to a kind of digital television program control method for playing back
And digital TV terminal.
Background technology
Digital TV terminal is connected with television network broadcast, obtains broadcast singal on television network broadcast, and user passes through number
Word television terminal carries out program searching, and digital TV terminal preserves search result, the user interface that user passes through intelligent terminal
(UI, User Interface) selection program is watched.At present, it is necessary to extract program from code stream when prior art tuning
Contingency table (PAT, Program Association Table), program hint obliquely at table (PMT, Program Map Table), service
Table (SDT, Service Description Table) is described, then table, service describing is hinted obliquely at for Program Association Table, program
Table parses program ID, programm name, Program Clock Reference packet identifier (the PCR PID, Program_Clock_ of each program
Reference Packet Identifier), audio packet identifier (Audio Pid, Audio Packet Identifier),
Audio types (Audio Type), video packet identifier (Video Pid, Video Packet Identifier), video type
(Video Type), Entitlement Control Message packet identifier (ECM PID, Entitle Control Message Packet
) etc. Identifier these parameters, are then saved in lane database by parameter, then tuning again, and such tuning speed is very slow,
Experienced so as to influence to play.
The content of the invention
In view of the foregoing, it is necessary to propose a kind of digital television program control method for playing back and digital TV terminal, with
Improve the broadcasting speed of program.
To achieve the above object, a kind of technical scheme according to the first aspect of the invention, it is proposed that digital television program
Control method for playing back, including：Obtain service describing table；
The rendition list is built according to the service describing table；
Judge whether to detect the selection play operation to the target program in described the rendition list；
If detecting the selection play operation to the target program in described the rendition list, the section of the target program is obtained
Mesh contingency table, program hint obliquely at table；
The broadcasting that table carries out the target program is hinted obliquely at according to the Program Association Table and program.
In alternatively possible implementation, methods described also includes：The acquisition service describing table, is specifically included：
Default frequency obtains network information table；Frequency list is obtained according to the network information table；It is every in the frequency list
Corresponding service describing table is obtained on individual frequency.
In alternatively possible implementation, methods described also includes：The acquisition service describing table, is specifically included：
Default frequency obtains network information table；Frequency list is obtained according to the network information table；Obtained on the default frequency
Take the service describing table of each frequency in the frequency list.
In alternatively possible implementation, methods described also includes：It is described that program is built according to the service describing table
List, is specifically included：
The service describing table is parsed to obtain the service describing table corresponding all program ID and programm name, root
The rendition list is built according to the program ID and programm name.
In alternatively possible implementation, methods described also includes：The programming association for obtaining the target program
Table, program hint obliquely at table, specifically include：The Program Association Table is obtained according to the program ID, obtained according to the Program Association Table
The program is taken to hint obliquely at table.
In alternatively possible implementation, methods described is additionally included in the programming association for obtaining the target program
Table, program hint obliquely at table after, it is described according to the Program Association Table and program hint obliquely at table carry out the target program broadcasting it
Before, in addition to：The programme information that table obtains the target program, the program letter are hinted obliquely at according to the Program Association Table and program
Breath includes audio transmission packet identifier, audio types, video transmission packet identifier, video type, the identification of Program Clock Reference bag
One or more parameters in code, Entitlement Control Message packet identifier；It is described that table is hinted obliquely at according to the Program Association Table and program
The broadcasting of the target program is carried out, is specifically included：The broadcasting of the target program is carried out according to the programme information.
A kind of technical scheme according to the second aspect of the invention, it is proposed that digital TV terminal, including：
Tuning module, the rendition list is built for obtaining service describing table, and according to the service describing table；
Judge module, for judging whether to detect the selection play operation to the target program in described the rendition list；
Program playing module, Program Association Table, program for obtaining the target program hint obliquely at table, according to the program
Contingency table and program hint obliquely at the broadcasting that table carries out the target program.
In alternatively possible implementation, described device also includes：The tuning module, specifically in default frequency
Point obtains network information table；Frequency list is obtained according to the network information table；On each frequency in the frequency list
Obtain corresponding service describing table.
In alternatively possible implementation, described device also includes：The tuning module, specifically for：Default
Frequency obtains network information table；Frequency list is obtained according to the network information table；Each frequency in the frequency list
It is upper to obtain corresponding service describing table.
In alternatively possible implementation, described device also includes：The tuning module, specifically for：Parsing is described
Service describing table is so as to obtain the service describing table corresponding all program ID and programm name, according to the program ID and section
Mesh title builds the rendition list.
In alternatively possible implementation, described device also includes：The program playing module, specifically for：According to
The program ID obtains the Program Association Table, and obtaining the program according to the Program Association Table hints obliquely at table.
In alternatively possible implementation, described device also includes：The program playing module, specifically for：According to
The Program Association Table and program hint obliquely at the programme information that table obtains the target program, and the programme information is transmitted including audio
Packet identifier, audio types, video transmission packet identifier, video type, Program Clock Reference packet identifier, Entitlement Control Message
One or more parameters in packet identifier；The broadcasting of the target program is carried out according to the programme information.
Present invention method builds the rendition list by obtaining service describing table according to the service describing table；Sentence
The disconnected selection play operation whether detected to the target program in described the rendition list；If detecting in described the rendition list
Target program selection play operation, Program Association Table, the program for obtaining the target program hint obliquely at table；According to the program
Contingency table and program hint obliquely at the broadcasting that table carries out the target program, enormously simplify tuning step, when shortening tuning preparation
Between, so as to improve program broadcasting speed.
Brief description of the drawings
Fig. 1 shows the schematic flow sheet of the digital television program control method for playing back of the embodiment of the present invention one；
Fig. 2 shows the structural representation of the digital TV terminal of the embodiment of the present invention two.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Elaborate many details in the following description to facilitate a thorough understanding of the present invention, described embodiment only
Only it is a part of embodiment of the invention, rather than whole embodiments, the present invention can also be using other different from being described herein
Other modes implement, therefore, protection scope of the present invention is not limited to the limitation of following public specific embodiment.In order to
The above objects, features and advantages of the present invention can be more clearly understood that, below in conjunction with the accompanying drawings with specific embodiment to the present invention
It is described in detail.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.Unless otherwise defined, it is used herein all
Technology and scientific terminology it is identical with the implication that is generally understood that of those skilled in the art for belonging to the present invention.Herein at this
The term used in the description of invention is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting this hair
It is bright.
Fig. 1 is the schematic flow sheet for the digital television program control method for playing back that the embodiment of the present invention one is provided.Such as Fig. 1 institutes
Show, this method specifically includes following steps：
102：Obtain service describing table；
Digital TV terminal is connected with television network broadcast, is obtained broadcast singal on television network broadcast, is then adjusted
Humorous, demodulation, output numeral TS (Transport Stream) streams, reception analysis service describes table from the digital TS streams.
Optionally, service describing table is obtained may include steps of：Default frequency obtain network information table (NIT,
Network Information Table)；Frequency list is obtained according to the network information table；In the frequency list
Corresponding service describing table is obtained on each frequency because operator is in order to reduce transmission band occupation, some carrier networks
The service describing table of current frequency only can be sent on a frequency, the service describing of other frequencies will not be sent in current frequency
Table, or only in some frequencies transmission network information table, network information table can provide the programme information currently flowed, can also
There is provided and currently flow the programme information of related stream.So, first in default frequency Network Search information table, get network
After information table, network information table is parsed, due to including the frequency coverage condition of operator front end inside network information table, from network
Information table, which can obtain front end, the parameters such as which frequency, the frequency ID of each frequency and frequency frequency；According to the network information
The frequency list of table, by frequency locking one by one so as to obtain each frequency service describing table, so as to build each frequency the rendition list.
Optionally, service describing table is obtained may include steps of：Network information table is obtained in default frequency；According to
The network information table obtains frequency list；The clothes of each frequency in the frequency list are obtained on the default frequency
Business description table.At present, for the more sufficient operator of bandwidth ratio, the network information can be sent in each frequency of carrier network
The service describing table of table and other frequencies, so, first the Network Search information table on default frequency, is obtained after network information table,
Network information table is parsed, due to including the frequency coverage condition of operator front end inside network information table, is from network information table
Front end can be obtained for which frequency, the parameter such as frequency ID and frequency frequency of each frequency, then in the reception network information table
Frequency, receive service describing table, analysis service describes table, complete current frequency the rendition list and build；According to frequency ID, at this
The service describing table of other frequencies is received on the frequency for receiving network information table one by one, you can complete whole the rendition list and build.
Optionally, before step 102, step 101 can be included：Detect tuning operation；
Tuning operation can be user's actively initiation, for example, user is opened after DTV, be saved by UI interfaces
Mesh tuning is operated；Tuning operation can also DTV perform automatically, for example, after digital television opening, being searched automatically
Platform is operated, or, DTV performs a tuning operation every the default time.Detect DTV either with or without execution tuning
Operation, is performing tuning operation, into step 102 if detecting.
103：The rendition list is built according to the service describing table；
The information that service describing table SDT can be provided includes：(1) program whether in broadcasting, whether (2) program added
The close, title of (3) program, (4) program ID.Optionally, it can be believed according to the program ID and programm name of the service describing table
Breath constructs the rendition list.
104：Judge whether to detect the selection play operation to the target program in described the rendition list；
For example, building after the rendition list, the rendition list can be presented in the user interface of DTV, and user can pass through
Remote control carries out the selection play operation of target program in the rendition list, for example, by remote control focus will be selected to be moved to mesh
Mark on program and then selection determines to play；Optionally, DTV can carry out target program automatically according to default rule
Play operation is selected, for example, plays default target program in default time point selection.
If the selection play operation to the target program in described the rendition list is detected, into step 105；
105：Program Association Table, the program for obtaining the target program hint obliquely at table；
Program Association Table, the program that target program is obtained from the digital TS streams hint obliquely at table；Optionally, according to the section
Mesh ID obtains the Program Association Table, and obtaining the program according to the Program Association Table hints obliquely at table.For example, according to program ID from
Program Association Table, parsing Program Association Table are extracted so as to obtain the transmission packet identifier that program hints obliquely at table in the digital TS streams,
Then extract program and hint obliquely at table.
106：The broadcasting that table carries out the target program is hinted obliquely at according to the Program Association Table and program.
Program Association Table and program according to getting are hinted obliquely at the information included in table and decode then over the display
Play target program；Optionally, between step 105 and step 106, it can also include：According to the Program Association Table and section
Mesh hints obliquely at the programme information that table obtains the target program, the programme information include audio transmission packet identifier, audio types,
Video transmission packet identifier, video type, Program Clock Reference packet identifier, one kind in Entitlement Control Message packet identifier or
Many kinds of parameters.Then decoded and played out over the display again according to the programme information.Optionally, it is described to described
Before programme information is decoded, in addition to descrambling procedure, the descrambling procedure includes：By obtaining section from the digital TS streams
Purpose Entitlement Control Message packet identifier, and then extract Entitlement Control Message, decryption and authorization control information, so as to get control
Word, then descrambles to program audio, video.
Optionally, before step 102, program can also be included and play step, i.e., after program broadcasting, it is periodic or
Person it is true or service describing table is obtained according to preset time rule, so as to update the rendition list.
In this embodiment, the rendition list is built by only obtaining service describing table, improves tuning broadcasting speed, and
And, when playing target program every time, Program Association Table, the program for extracting actual program from code stream in real time hint obliquely at table to obtain
To programme information parameter, then these programme informations are decoded and played, it is to avoid front end updates the identification of program audio video bag
Terminal user is caused normally to watch program during the parameters such as code, audio frequency and video type, improving program broadcasting speed and user makes
With experience.
Fig. 2 is the structure chart for the digital TV terminal that the embodiment of the present invention two is provided.As shown in Fig. 2 the DTV
Terminal 20 can include：
Tuning module 202, the rendition list is built for obtaining service describing table, and according to the service describing table；Numeral
Television terminal is connected with television network broadcast, is obtained broadcast singal on television network broadcast, is then tuned, demodulates, and is exported
Digital TS (Transport Stream) stream, reception analysis service describes table from the digital TS streams.
Optionally, detection module 201 can also be included, for detecting that tuning is operated；Tuning operation can be user's active
Initiate, for example, user is opened after DTV, program tuning operation is carried out by UI interfaces；Tuning operation can also be several
Word TV is performed automatically, for example, after digital television opening, automatic progress tuning operation, or, DTV is every default
Time performs a tuning operation.The tuning module 202, for after the detection module 201 detects tuning operation, obtaining
Take service describing table.
Optionally, tuning module 202 obtains service describing table and may include steps of：Network is obtained in default frequency
Information table (NIT, Network Information Table)；Frequency list is obtained according to the network information table；In the frequency
Corresponding service describing table is obtained on each frequency in point list.Because operator is some in order to reduce transmission band occupation
Carrier network only can send the service describing table of current frequency on a frequency, will not send other frequencies in current frequency
Service describing table, or only in some frequencies send network information table, network information table can provide the program currently flowed
Information, can also provide and currently flow the programme information of related stream.So, first in default frequency Network Search information
Table, gets after network information table, parses network information table, because the frequency comprising operator front end covers inside network information table
Lid situation, can obtain front end from network information table has the parameters such as which frequency, the frequency ID of each frequency and frequency frequency；
According to the frequency list of network information table, by frequency locking one by one so as to obtain each frequency service describing table, so as to build each
Frequency the rendition list.
Optionally, tuning module 202 obtains service describing table and may include steps of：Network is obtained in default frequency
Information table；Frequency list is obtained according to the network information table；Obtained on the default frequency in the frequency list
The service describing table of each frequency.At present, can in each frequency of carrier network for the more sufficient operator of bandwidth ratio
Network information table and the service describing table of other frequencies are sent, so, first the Network Search information table on default frequency, obtains net
After network information table, network information table is parsed, due to including the frequency coverage condition of operator front end inside network information table, from net
Network information table can obtain front end for which frequency, the parameter such as frequency ID and frequency frequency of each frequency, then in the reception
The frequency of network information table, receives service describing table, and analysis service describes table, completes current frequency the rendition list and builds；According to
Frequency ID, receives the service describing table of other frequencies one by one on the frequency of the reception network information table, you can complete whole section
Mesh list builder.The information that service describing table SDT can be provided includes：(1) program whether in broadcasting, (2) program whether by
Encryption, the title of (3) program, (4) program ID.Optionally, tuning module 202 is according to the program ID and section of the service describing table
Mesh name information constructs the rendition list.
Judge module 203, for judging whether that detecting the selection to the target program in described the rendition list plays behaviour
Make；For example, tuning module 202 is built after the rendition list, the rendition list can be presented in the user interface of DTV, Yong Huke
To carry out the selection play operation of target program in the rendition list by remote control, for example, focus will be selected to move by remote control
Move on target program and then selection determines to play；Optionally, DTV can carry out target automatically according to default rule
The selection play operation of program, for example, play default target program in default time point selection.
Program playing module 204, for judging to detect to the target program in described the rendition list in judge module 203
Selection play operation after, Program Association Table, the program for obtaining the target program hint obliquely at table, according to the Program Association Table and
Program hints obliquely at the broadcasting that table carries out the target program.Optionally, program playing module 204 obtains mesh from the digital TS streams
Program Association Table, the program of mark program hint obliquely at table；Optionally, program playing module 204 obtains the section according to the program ID
Mesh contingency table, obtains the program according to the Program Association Table and hints obliquely at table.For example, program playing module 204 is according to program ID
Program Association Table is extracted from the digital TS streams, the transmission bag that parsing Program Association Table hints obliquely at table so as to obtain program is recognized
Code, then extracts program and hints obliquely at table.Optionally, program playing module 204 is hinted obliquely at table according to the Program Association Table and program and obtained
The programme information of the target program is taken, the programme information includes audio transmission packet identifier, audio types, video transmission bag
One or more parameters in identification code, video type, Program Clock Reference packet identifier, Entitlement Control Message packet identifier.
Optionally, program playing module 204 includes decoding unit, and the decoding unit is decoded again aobvious according to the programme information
Show and played out on device.Optionally, when radio and television network operation business in order to ensure the realization of digital television business uses scrambling skill
During art, digital TV terminal will take descrambling operation.Scrambling, exactly changes the characteristic of standard television signal, unauthorized to prevent
Person receives clearly picture-and-sound, and this change should press predetermined processing under interference blanking system control in transmitting terminal.Solution
Disturb, scrambled TV signal exactly reverted into standard television signal, this recovery be under the control of interference blanking system,
Receiving terminal presses predetermined processing.Program playing module 204 includes Descrambling unit, and the programme information is decoded in decoding unit
Before, include the descrambling procedure of Descrambling unit, the descrambling procedure includes：Descrambling unit from the digital TS streams by obtaining
The Entitlement Control Message packet identifier of program, and then extract Entitlement Control Message, decryption and authorization control information, so as to get control
Word processed, then descrambles to program audio, video.
In this embodiment, tuning module 202 obtains service describing table to build the rendition list, improves tuning broadcasting
Speed, also, program playing module 204, when playing target program every time, the program for extracting actual program from code stream in real time is closed
Connection table, program hint obliquely at table to get programme information parameter, and then these programme informations are decoded and played, it is to avoid be preceding
End causes terminal user normally to watch program when updating the parameters such as program audio video packet identifier, audio frequency and video type, is lifted
Program broadcasting speed and user experience.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It is obvious to a person skilled in the art that
The invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation of the spirit or essential attributes without departing substantially from the present invention
Under, the present invention can be realized in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as and shows
Plasticity, and be nonrestrictive, the scope of the present invention is limited by appended claims rather than described above, it is intended that
The all changes fallen in the implication and scope of the equivalency of claim are included in the present invention.Should not be by claim
In any reference be considered as limitation involved by claim.Furthermore, it is to be understood that the word of " comprising " one be not excluded for other units or
Step, odd number is not excluded for plural number.The multiple units or device stated in device claim can also be by same unit or dresses
Put by software or hardware to realize.The first, the second grade word is used for representing title, and is not offered as any specific suitable
Sequence.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although reference
The present invention is described in detail for preferred embodiment, it will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
Claims (12)
1. a kind of digital television program control method for playing back, it is characterised in that including：
Obtain service describing table；
The rendition list is built according to the service describing table；
Judge whether to detect the selection play operation to the target program in described the rendition list；
If detecting the selection play operation to the target program in described the rendition list, the program for obtaining the target program is closed
Connection table, program hint obliquely at table；
The broadcasting that table carries out the target program is hinted obliquely at according to the Program Association Table and program.
2. digital television program control method for playing back according to claim 1, it is characterised in that the acquisition service describing
Table, is specifically included：Network information table is obtained in default frequency；Frequency list is obtained according to the network information table；Described
Corresponding service describing table is obtained on each frequency in frequency list.
3. digital television program control method for playing back according to claim 1, it is characterised in that the acquisition service describing
Table, is specifically included：Network information table is obtained in default frequency；Frequency list is obtained according to the network information table；Described
The service describing table of each frequency in the frequency list is obtained on default frequency.
4. the digital television program control method for playing back according to claim 1-3 any one, it is characterised in that described
The rendition list is built according to the service describing table, is specifically included：
Parse the service describing table to obtain the service describing table corresponding all program ID and programm name, according to institute
State program ID and programm name builds the rendition list.
5. digital television program control method for playing back according to claim 4, it is characterised in that the acquisition target
Program Association Table, the program of program hint obliquely at table, specifically include：The Program Association Table is obtained according to the program ID, according to institute
State the Program Association Table acquisition program and hint obliquely at table.
6. digital television program control method for playing back according to claim 5, it is characterised in that obtain the mesh described
Program Association Table, the program of mark program are hinted obliquely at after table, described according to the Program Association Table and program hint obliquely at table progress
Before the broadcasting of target program, in addition to：
The programme information that table obtains the target program is hinted obliquely at according to the Program Association Table and program, the programme information includes
Audio transmission packet identifier, audio types, video transmission packet identifier, video type, Program Clock Reference packet identifier, mandate
One or more parameters in control information packet identifier；
It is described that the broadcasting that table carries out the target program is hinted obliquely at according to the Program Association Table and program, specifically include：According to institute
State the broadcasting that programme information carries out the target program.
7. a kind of digital TV terminal, it is characterised in that including：
Tuning module, the rendition list is built for obtaining service describing table, and according to the service describing table；
Judge module, for judging whether to detect the selection play operation to the target program in described the rendition list；
Program playing module, Program Association Table, program for obtaining the target program hint obliquely at table, according to the programming association
Table and program hint obliquely at the broadcasting that table carries out the target program.
8. digital TV terminal according to claim 7, it is characterised in that the tuning module, specifically for default
Frequency obtain network information table；Frequency list is obtained according to the network information table；Each frequency in the frequency list
Corresponding service describing table is obtained on point.
9. digital TV terminal according to claim 7, it is characterised in that the tuning module, specifically for：Default
Frequency obtain network information table；Frequency list is obtained according to the network information table；Each frequency in the frequency list
Corresponding service describing table is obtained on point.
10. the digital TV terminal according to claim 7-9 any one, it is characterised in that the tuning module, specifically
For：The service describing table is parsed to obtain the service describing table corresponding all program ID and programm name, according to
The program ID and programm name build the rendition list.
11. digital TV terminal according to claim 10, it is characterised in that the program playing module, specifically for：
The Program Association Table is obtained according to the program ID, obtaining the program according to the Program Association Table hints obliquely at table.
12. digital TV terminal according to claim 11, it is characterised in that the program playing module, specifically for：
The programme information that table obtains the target program is hinted obliquely at according to the Program Association Table and program, the programme information includes audio
Transmit packet identifier, audio types, video transmission packet identifier, video type, Program Clock Reference packet identifier, authorization control
One or more parameters in information packet identifier；The broadcasting of the target program is carried out according to the programme information.
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| CN201710102660.4A CN106973313A (en) | 2017-02-24 | 2017-02-24 | A kind of digital television program control method for playing back and digital TV terminal |
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| CN201710102660.4A CN106973313A (en) | 2017-02-24 | 2017-02-24 | A kind of digital television program control method for playing back and digital TV terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20170721 |