CN108235108A - A kind of PVR method for recording, system and television set - Google Patents
A kind of PVR method for recording, system and television set Download PDFInfo
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- CN108235108A CN108235108A CN201810229656.9A CN201810229656A CN108235108A CN 108235108 A CN108235108 A CN 108235108A CN 201810229656 A CN201810229656 A CN 201810229656A CN 108235108 A CN108235108 A CN 108235108A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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]
- H04N21/40—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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
A kind of PVR method for recording, system and the television set that the application provides, for the recording of TV programme, during recording TV program, the PMT of TV programme is obtained in real time, judge whether PID changes in PMT, when PID changes in PMT, the PID after changing in the PMT is obtained, updates the PID in DEMUX.PVR method for recording, system and the television set that the application provides, by monitoring just in the PMT of recording TV program, obtain the PID of the data such as audio, video, the subtitle of the TV programme, once the PID of the data such as the audio of the TV programme, video or subtitle changes, PID used in the television program record is updated in time, it avoids because PID variations, which occur, to be caused television program record imperfect or mistake occur, it effectively prevent television program record being caused to stop because PID variations occur, advantageously ensures that the integrality of television program record.
Description
Technical field
This application involves a kind of digital TV technology more particularly to PVR method for recording, system and television sets.
Background technology
PVR (Personal video recorder, individual video video recording) recording technology is widely used in television set,
The broadcast singal that broadcasting office is sent out can be preserved to television set storage device.As user leaies through EPG (Electronic
Program Guide, electronic program guides) find have want recording TV programme, set television program record order, when up to
To the TV programme reproduction time when, television set starts relevant PVR recording elements in television set and carries out the electricity automatically
Depending on the recording of program.
When television set starts PVR recording elements progress television program record, PVR recording elements are according to TV programme
Record command obtains from the PMT (Program Map Table, Program Map Table) for treating recording TV program and treats record tv
All PID (Packet Identifier, packet identifier) of the data such as program audio, video, subtitle, and its all PID is set
It puts in PVR recording elements, PVR recording elements set this to treat record tv to DEMUX (Demultiplexer, demultiplexer)
Each PID of program starts after recording, and DEMUX is according to treating each PID of recording TV program by data such as its audio, video, subtitles
It moves and is filled into television set storage device.
PVR recording elements are when television program record is carried out, because the data of its storage are according to treating record tv section
Each PID of purpose is obtained by filtration, so this, which treats that the accuracy of recording TV program data storage depends on, treats recording TV program
Each PID.However, during PVR recording elements carry out television program record, it may occur that the transmitting terminal letter of TV programme
Number adjustment, treat that the corresponding PID of recording TV program will change at this time.When the PID for treating recording TV program changes
When, then if DEMUX carries out data-moving according to pre-set PID, it is endless to may result in television programme data recording
Whole or mistake even results in television program record suspension, the complete recording of television recording program can not be completed, so as to influence user
To television program record use demand.
Invention content
This application provides a kind of PVR method for recording, system and TV, to ensure the integrality of television program record.
In a first aspect, this application provides a kind of PVR method for recording, the method includes：
During television program record, the PMT of the TV programme is obtained in real time；
Judge whether the PID in the PMT changes；
When the PID in the PMT changes, the PID after changing in the PMT is obtained, updates the PID in DEMUX.
Second aspect, a kind of PVR recording systems, the system comprises：
PMT monitoring modules, for during television program record, obtaining the PMT of the TV programme in real time；
Whether PID identification modules, the PID for judging in the PMT change；
PID update modules, for when the PID in the PMT changes, obtaining the PID after changing in the PMT,
Update the PID in DEMUX.
The third aspect, present invention also provides a kind of television set, the television set includes the PVR described in above-mentioned any one
Recording system.
PVR method for recording, system and the television set that the application provides, for the recording of TV programme, in record tv section
During mesh, the PMT of the TV programme is obtained in real time, judges whether PID changes in the PMT, when in the PMT
When PID changes, the PID after changing in the PMT is obtained, updates the PID in DEMUX.The PVR recording sides that the application provides
In method, by monitoring just in the PMT of recording TV program, the data such as audio, video, the subtitle of the TV programme are obtained
PID, once the PID of the data such as the audio of the TV programme, video or subtitle changes, in time to the TV Festival catalogue
PID is updated used in system, avoids, because PID variations, which occur, to be caused television program record imperfect or mistake occur, having
Effect prevents from television program record being caused to stop because PID variations occur, and advantageously ensures that the integrality of television program record.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the basic flow chart of PVR method for recording provided by the embodiments of the present application；
Fig. 2 is the structure chart of PVR recording systems provided by the embodiments of the present application；
Fig. 3 is the structure chart of PID identification modules in PVR recording systems provided by the embodiments of the present application；
Fig. 4 is the structure chart of PID update modules in PVR recording systems provided by the embodiments of the present application；
Fig. 5 is television structure figure provided by the embodiments of the present application.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is a kind of flow chart of PVR method for recording provided by the embodiments of the present application, and this method is recorded available for DTV
Control equipment can such as carry out the television set or set-top box of DTV recording.As shown in Figure 1, the PVR method for recording is including following
Step.
S101：During television program record, the PMT of the TV programme is obtained in real time.
Before TV programme start recording, television program record order is obtained, according to television program record order, from waiting to record
All PID for treating the data such as recording TV program audio, video, subtitle are obtained in the PMT of NTSC television system NTSC program, and are owned
In PID settings to DEMUX.When the time for reaching TV programme broadcasting, start television program record, DEMUX is set according to inside
Related TV programme PID carry out TV programme related audio, video, the subtitle etc. filtering preserve.In TV Festival catalogue
During system, the PMT of the TV programme is obtained in real time, the PMT variations of the TV programme is paid close attention in real time, when such as comparing current
Quarter and PID etc. in the version and PMT of the PMT of TV programme described in last moment, realize the prison to institute recording TV program PMT
Control.
Specifically, starting a thread, obtain just in the PMT of recording TV program, compared current time PMT and upper a period of time
Storage or the PMT obtained are carved, until television program record terminates.
S102：Judge whether the PID in the PMT changes.
It obtains just in the PMT of recording TV program, judges whether the PID in the PMT changes, recorded by monitoring
The PMT of NTSC television system NTSC program obtains the situation of change of the corresponding PID of institute's recording TV program.
Specifically judge the whether changed methods of PID in the PMT, optionally, obtain current time and upper a period of time
Carve the PID in the PMT of the TV programme；Compare the PID in the PMT of TV programme described in current time and last moment；If
When the PID at current time and the PID of last moment are differed, then PID changes.It obtains described in current time and last moment
PID in the PMT of TV programme corresponds to each PID in the PMT of comparison current time and last moment TV programme one by one, when
There are during a certain corresponding PID differences, then it is assumed that the PID in institute recording TV program PMT changes.Such as, when obtaining current
PID in the PMT of TV programme described in quarter and last moment, the PID of current time audio is 123, the PID of last moment audio
It is 12, comparison then finds that the PID of audio changes, and the PID that so can obtain in PMT changes.
In addition, specifically judge the whether changed methods of PID in the PMT, and it is also optional, it obtains described in current time
The PMT of TV programme obtains the PID in DEMUX；Compare in the PID and DEMUX in the PMT of TV programme described in current time
PID；If the PID in PID and DEMUX in the PMT of TV programme described in current time is differed, PID changes.
The PID in the PID and DEMUX in the PMT of institute's recording TV program is obtained, corresponds to the PID in the PID and DEMUX in PMT one by one
When there are during a certain corresponding PID differences, then it is assumed that the PID in institute recording TV program PMT changes.
When the PID in the PMT does not change, step S101 is repeated, continues to be monitored PMT and sentence
Determine whether the PID in PMT changes；When the PID in the PMT changes, step S103 is performed.
S103：When the PID in the PMT changes, the PID after changing in the PMT is obtained, is updated in DEMUX
PID.
Specifically, when the PID in the PMT changes, the PID after changing in the PMT is obtained, it will be in DEMUX
Variation before PID be updated to variation after PID, that is, delete DEMUX in variation before PID, the PID after variation is set again
It puts in the DEMUX.PID before variation from DEMUX is deleted, stops the filtering of television programme data；By the PID after variation
It resets in DEMUX, continues the filtering of television programme data.
Provided by the embodiments of the present application, PVR method for recording obtains the TV Festival in real time during recording TV program
Purpose PMT judges whether PID changes in the PMT, when PID changes in the PMT, obtains and become in the PMT
PID after change updates the PID in DEMUX.By monitoring just in the PMT of recording TV program, the sound of the TV programme is obtained
Frequently, the PID of the data such as video, subtitle, once the PID of the data such as the audio of the TV programme, video or subtitle changes,
PID used in the television program record is updated in time, is effectively avoided because PID variations, which occur, leads to TV programme
It records imperfect or mistake occurs, and then prevent from television program record being caused to stop because PID variations occur, advantageously ensure that electricity
Depending on the integrality of performance recording.
Technical solution is advanced optimized, the PVR method for recording that the application provides further includes：When the PID hairs in the PMT
During changing, at the time of recording PID variation and the variation of the PID.It is recorded in certain time point, institute's record tv section
Any variation has occurred in purpose PID, as the PID of video becomes YY from XX.It is recorded the broadcasting for the TV programme got off：By sound
Frequently, in the PID settings to DEMUX of the data such as video, subtitle, Decoder (decoder) is sent to by DEMUX and is decoded, so
Afterwards by a series of image quality processing, audio-visual synchronization etc., it is sent on screen and shows.So record PID variation time point with
And situation of change, the TV programme for completing to record is contributed to adjust PID in time according to the situation of change of PID when playing, are protected
Demonstrate,prove the continuity played.
Based on PVR method for recording provided by the embodiments of the present application, the embodiment of the present application additionally provides a kind of PVR and records system
System.Referring to attached drawing 2, PVR recording systems provided by the embodiments of the present application include：
PMT monitoring modules 1, for during television program record, obtaining the PMT of the TV programme in real time；
Whether PID identification modules 2, the PID for judging in the PMT change；
PID update modules 3, for when the PID in the PMT changes, obtaining the PID after changing in the PMT,
Update the PID in DEMUX.
Further, as shown in Figure 3, in PVR recording systems provided by the embodiments of the present application, the PID identification modules 2
Including：
PMT acquisition modules 21, for obtaining the PID in the PMT of TV programme described in current time and last moment；
PID changes judgment module 22, for comparing the PID in the PMT of TV programme described in current time and last moment,
If the PID at current time and the PID of last moment are differed, PID changes.
Further, as shown in Figure 4, in PVR recording systems provided by the embodiments of the present application, the PID update modules 3
Including：
PID replacement modules 31 for deleting the PID before changing in DEMUX, the PID after variation are reset to described
In DEMUX.
In PVR recording systems provided by the embodiments of the present application, further include：PID changes logging modle, for working as the PMT
In PID when changing, at the time of recording the PID variations and the variation of the PID.
In PVR recording systems provided by the embodiments of the present application, PID identification modules include：
PID acquisition modules, for obtaining the PID in the PID and DEMUX in the PMT of TV programme described in current time；
PID determination modules, for comparing the PID in the PID and DEMUX in the PMT of TV programme described in current time, if
When the PID in PID and DEMUX in the PMT of TV programme described in current time is differed, then PID changes.
Based on PVR recording systems provided by the embodiments of the present application, the embodiment of the present application additionally provides a kind of television set 4, such as
Shown in attached drawing 5, the television set 4 includes the PVR recording systems that above-described embodiment provides.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment it
Between just to refer each other for identical similar part, the highlights of each of the examples are difference from other examples,
The relevent part can refer to the partial explaination of embodiments of method.Those skilled in the art are considering the hair of specification and practice here
After bright, other embodiments of the present invention will readily occur to.This application is intended to cover any modification of the present invention, purposes or fit
Answering property changes, these variations, uses, or adaptations follow the general principle of the present invention and do not invented including the present invention
Common knowledge or conventional techniques in the art.Description and embodiments are considered only as illustratively, the present invention
True scope and spirit pointed out by following claim.
It should be understood that the precision architecture that the application is not limited to be described above and be shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by appended claim.
Claims (10)
1. a kind of PVR method for recording, which is characterized in that the method includes：
During television program record, the PMT of the TV programme is obtained in real time；
Judge whether the PID in the PMT changes；
When the PID in the PMT changes, the PID after changing in the PMT is obtained, updates the PID in DEMUX.
2. PVR method for recording according to claim 1, which is characterized in that whether the PID judged in the PMT sends out
Changing, including：
Obtain the PID in the PMT of TV programme described in current time and last moment；
Compare the PID in the PMT of TV programme described in current time and last moment；
If the PID at current time and the PID of last moment are differed, PID changes.
3. PVR method for recording according to claim 1, which is characterized in that the PID in the update DEMUX, including：
The PID before changing in DEMUX is deleted, the PID after variation is reset in the DEMUX.
4. PVR method for recording according to claim 1, which is characterized in that the method further includes：
When the PID in the PMT changes, at the time of recording PID variation and the variation of the PID.
5. PVR method for recording according to claim 1, which is characterized in that whether the PID judged in the PMT sends out
Changing, including：
Obtain the PID in the PID and DEMUX in the PMT of TV programme described in current time；
Compare the PID in the PID and DEMUX in the PMT of TV programme described in current time；
If the PID in PID and DEMUX in the PMT of TV programme described in current time is differed, PID changes.
6. a kind of PVR recording systems, which is characterized in that the system comprises：
PMT monitoring modules, for during television program record, obtaining the PMT of the TV programme in real time；
Whether PID identification modules, the PID for judging in the PMT change；
PID update modules, for when the PID in the PMT changes, obtaining the PID after changing in the PMT, update
PID in DEMUX.
7. PVR recording systems according to claim 6, which is characterized in that the PID identification modules include：
PMT acquisition modules, for obtaining the PID in the PMT of TV programme described in current time and last moment；
PID changes judgment module, for comparing the PID in the PMT of TV programme described in current time and last moment, if currently
When the PID at moment and the PID of last moment are differed, then PID changes.
8. PVR recording systems according to claim 6, which is characterized in that the PID update modules include：
PID after variation for deleting the PID before changing in DEMUX, is reset to the DEMUX by PID replacement modules
It is interior.
9. PVR recording systems according to claim 6, which is characterized in that the system also includes：
PID changes logging modle, at the time of for when the PID in the PMT changes, recording PID variation and
The variation of the PID.
10. a kind of television set, which is characterized in that the PVR that the television set includes described in claim 6-9 any one records system
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229656.9A CN108235108A (en) | 2018-03-20 | 2018-03-20 | A kind of PVR method for recording, system and television set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810229656.9A CN108235108A (en) | 2018-03-20 | 2018-03-20 | A kind of PVR method for recording, system and television set |
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| CN108235108A true CN108235108A (en) | 2018-06-29 |
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| CN201810229656.9A Pending CN108235108A (en) | 2018-03-20 | 2018-03-20 | A kind of PVR method for recording, system and television set |
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Cited By (2)
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| CN111131881A (en) * | 2019-12-30 | 2020-05-08 | 深圳Tcl数字技术有限公司 | PVR (personal video recorder) recording method, smart television and computer readable storage medium |
| CN113225508A (en) * | 2021-04-29 | 2021-08-06 | 中山亿联智能科技有限公司 | Section acquisition method based on recording mode |
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Applicant after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Applicant before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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Application publication date: 20180629 |