CN102595235B - A kind of method of digital broadcast television time shifting broadcasting and device - Google Patents
A kind of method of digital broadcast television time shifting broadcasting and device Download PDFInfo
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Abstract
The method of digital broadcast television time shifting broadcasting and a device, comprise the following steps: receiving digital broadcast TV signal, and obtain video/audio; Using the video/audio of each broadcast cycle as a spot broadcasting data file, be saved in the buffering area of file storage module; The memory location of described spot broadcasting data file is joined in index file in order; Receive the input operation of user, and according to the broadcasting moment that the user parsed specifies, calculate relative initial broadcast cycle; According to described initial broadcast cycle, from index file, inquire the store path of broadcast data file corresponding to broadcast cycle data initial with this, and from broadcast data file, read video/audio play.Described device comprises, and for the file storage module of store broadcast data file and index file, and according to the broadcasting moment that user specifies, reads the time shifting broadcasting control module that video/audio carries out time shifting broadcasting control from broadcast data file.Adopt the inventive method and device, better digital broadcast television program time shifting result of broadcast can be obtained.
Description
Technical field
The present invention relates to a kind of digital broadcast television player method, particularly relate to a kind of method and device of digital broadcast television time shifting broadcasting.
Background technology
The transmission means of digital broadcasting-television signal is divided into received terrestrial digital broadcasting, satellite digital broadcasting, and cable digital TV broadcast three types.Wherein, received terrestrial digital broadcasting, satellite digital broadcasting can provide the mobile multi-media broadcasting service of radio, film and television program and information service for user, and user adopts reception of Mobile Digital TV terminal can receive and watch broadcast TV program and information service whenever and wherever possible; And cable digital TV broadcast system, adopt Set Top Box to receive cable digital TV broadcast singal, realize reception and the broadcasting of Digital Television.
In existing cable digital TV broadcast system, adopt interactive set-top box and front end system to carry out interactive application, realize nearly all broadcast such as digital television broadcasting reception, electronic program guides, TV replay, pay-per-view viewing, on-line software updating, data broadcast, Email mail and interactive multimedia application.
But reception of Mobile Digital TV, due to the restriction of himself, is merely able to the real time programme watching front end system broadcasting, can not carries out TV replay and time shifting broadcasting, bring great inconvenience to user as general interactive set-top box when TV reception.
Summary of the invention
In order to solve the deficiency that prior art exists, the invention provides a kind of method and device of digital broadcast television time shifting broadcasting, being realized the time shifting broadcasting of TV programme by management and the buffering area of control store broadcast data.
To achieve these goals, the method for digital broadcast television time shifting broadcasting provided by the invention, said method comprising the steps of:
1) receiving digital broadcast TV signal, and obtain video/audio;
2) using the video/audio of each broadcast cycle as a spot broadcasting data file, be saved in the buffering area of file storage module;
3) memory location of described spot broadcasting data file is joined in index file in order;
4) receive the input operation of user, and according to the broadcasting moment that the user parsed specifies, calculate relative initial broadcast cycle;
5) according to described initial broadcast cycle, from index file, inquire the store path of broadcast data file corresponding to broadcast cycle data initial with this, and from broadcast data file, read video/audio play.
Wherein, described step 2) in, if user limits the size of buffering area, when then expiring in buffering area, broadcast data file corresponding for the oldest broadcast cycle is deleted, the broadcast data file that regeneration is new, deletes the Article 1 path of index file simultaneously, the path of new file is attached to the last of index file.
Wherein, described step 5) is further comprising the steps:
A) according to index file, judge in buffering area, whether to there is above-mentioned initial broadcast cycle;
If b) this initial broadcast cycle is present in index file, then from index file, inquire the store path of broadcast data file corresponding to these broadcast cycle data, from broadcast data file, read video/audio play;
If c) this initial broadcast cycle is not present in index file, then the broadcast cycle that in indexed file, the chosen distance designated broadcast cycle is nearest is as initial broadcast cycle.
Wherein, in the index file of described step 3), comprise the corresponding relation between the broadcast cycle of video/audio and the store path of broadcast data file.
To achieve these goals, the device of digital broadcast television time shifting broadcasting provided by the invention, comprises Receiver Module, data processing module, video and audio decoder module, file storage module, time shifting broadcasting control module, and input operation module, wherein,
Described Receiver Module, for receiving digital broadcast TV signal, and is converted into intermediate-freuqncy signal and sends to described data processing module;
Described data processing module, for processing intermediate-freuqncy signal, obtains the video/audio of digital broadcast television;
Described video and audio decoder module, the video/audio for the broadcasting moment of user being specified is decoded, and exports video/audio signal;
Described file storage module, for store broadcast data file and index file;
Described time shifting broadcasting control module, receives the user instruction information that described input operation module sends, according to the broadcasting moment that user specifies, reads video/audio and carry out time shifting broadcasting from broadcast data file;
Described input operation module, for receiving the instruction input of user's time shifting broadcasting, and is transmitted to described time shifting broadcasting control module.
Wherein, described time shifting broadcasting control module, in its broadcasting moment of specifying according to user, calculates relative initial broadcast cycle, and from index file, inquires the store path of broadcast data file corresponding to these broadcast cycle data.
Wherein, described time shifting broadcasting control module, interface generates a progress bar that can drag, drags in the process of progress bar user, key frame in the broadcast data in moment corresponding to progress displaying bar, user can know the position of current dragging more intuitively.
Adopt method and the device of digital broadcast television time shifting broadcasting of the present invention, the video/audio of the digital broadcast television of reception is stored in the buffering area of local file memory module, when user carries out time shifting broadcasting, the broadcast data file directly reading broadcast cycle data corresponding from buffering area is play, and achieves better time shifting broadcasting effect.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, and with content of the present invention together with embodiment, for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram according to digital broadcast television time shifting broadcasting of the present invention;
Fig. 2 is according to the corresponding schematic diagram of buffering area of the present invention index file with broadcast data file
Fig. 3 is the principle of device block diagram according to digital broadcast television time shifting broadcasting of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
In digital television broadcasting system, system cycle ground broadcast transmission data, user can watch program according to sending order.But under certain situation, user wishes former program of can resetting, and do not wish to lose later program.Time shifting broadcasting allows user to play required program forward or backward according to time shaft.
In order to all play immediately when ensureing that receiving terminal can at any time access, the audio, video data in each broadcast cycle comprises temporal information.Usually have the absolute time of broadcast cycle to stab, and the audio frequency and video unit in broadcast cycle comprise relative time stamp.
Fig. 1 is the method flow diagram according to digital broadcast television time shifting broadcasting of the present invention, below with reference to Fig. 1, is described in detail the method for digital broadcast television time shifting broadcasting of the present invention:
First, in step 101, by Receiver Module receiving digital broadcast TV signal, this digital broadcasting-television signal can be received terrestrial digital broadcasting TV signal, satellite digital broadcast television signal, or cabled digital broadcast television signal, preferably, Receiver Module of the present invention is for receiving received terrestrial digital broadcasting TV signal or cabled digital broadcast television signal.
In step 102, the video/audio of reception is saved in the buffering area of file module, this buffering area is made up of an index file and several broadcast data storage files, the video/audio that each broadcast cycle receives preserves into a local broadcast data file, and this file storage location is joined in index file in order, index file and broadcast data file corresponding relation are as shown in Figure 2.
In storing process, if user limits the size of buffering area, then when expiring in buffering area, data file corresponding for the oldest broadcast cycle is deleted, the data file that regeneration is new, deletes the Article 1 path of index file simultaneously, the path of new file is attached to the last of index file.
In step 103, the time shifting broadcasting operation of input operation module receives user, and send the command information of user to time shifting broadcasting control module, this command information includes the broadcasting moment that user specifies.When user carries out time shifting broadcasting operation, interface shows a progress bar that can drag, drag in the process of progress bar user, decoding and progress displaying bar corresponding to the moment video/audio in key frame, user can know the position of current dragging more intuitively.
In step 104, time shifting broadcasting control module is resolved the user instruction information received, and according to the broadcasting moment that the user parsed specifies, calculates relative initial broadcast cycle.
In step 105, time shifting broadcasting control module, according to index file, judges whether there is above-mentioned initial broadcast cycle in the index file in buffering area, if this initial broadcast cycle exists, then forwards step 107 to, otherwise, carry out next step.
In step 106, adjust initial broadcast cycle on a timeline.In receiving digital broadcast TV signal process, the data of the broadcast cycle that the time that user specifies is corresponding are not stored in the index file of buffering area due to signal or other reason, then the chosen distance designated broadcast cycle is nearest, and larger broadcast cycle is as initial broadcast cycle.
In step 107, time shifting broadcasting control module inquires the store path of broadcast data file corresponding to these initial broadcast cycle data from index file, reads video/audio and play from broadcast data file, the like.
Fig. 3 is the principle of device block diagram according to digital broadcast television time shifting broadcasting of the present invention, as shown in Figure 3, the device of digital broadcast television time shifting broadcasting of the present invention comprises Receiver Module 301, data processing module 302, video and audio decoder module 303, file storage module 304, time shifting broadcasting control module 305, and input operation module 306.
Receiver Module 301, it accepts the control of time shifting broadcasting control module 305, receiving digital broadcast TV RF signals, and converts this radiofrequency signal to intermediate-freuqncy signal and send to data processing module 302.RF receiver module 301 of the present invention, the digital broadcasting-television signal of CMMB, DVB-H, DVB-T, T-DMB standard can be received, preferably, RF receiver module 301 adopts CMMB receiver module (China Mobile Multimedia Broadcasting), CMMB is the industry standard of the received terrestrial digital broadcasting TV that Chinese broadcasting and TV general bureau promulgates, the CMMB terminal supported comprises the mobile terminals such as mobile phone, PDA, notebook computer, vehicle mounted guidance, comprise multiple channel in a frequency of CMMB, and a channel contains several time slots.
Data processing module 302, accepts the control of time shifting broadcasting control module 305, and the intermediate frequency digital broadcast television signal sent by Receiver Module 301 carries out demodulation, demultiplexing process, obtains video/audio.
Video and audio decoder module 303, accepts the control of time shifting broadcasting control module 305, and the video/audio in the broadcasting moment of user being specified is decoded, and exports video/audio signal.
File storage module 304, comprises user-defined filebuf, for store broadcast data file and index file.
Time shifting broadcasting control module 305, receive the user instruction information that input operation module 306 sends, and this user instruction information is resolved, according to the broadcasting moment that the user parsed specifies, calculate relative initial broadcast cycle, from index file, inquire the store path of broadcast data file corresponding to these broadcast cycle data, from broadcast data file, read video/audio play; For generating a progress bar that can drag on interface, drag in the process of progress bar user, the key frame in the video/audio in moment corresponding to progress displaying bar, user can know the position of current dragging more intuitively.
Input operation module 306, for receiving the instruction input of user's time shifting broadcasting, and is transmitted to time shifting broadcasting control module 305.
The method of digital broadcast television time shifting broadcasting of the present invention and device, can be applied in the mobile terminals such as mobile phone, PDA, notebook computer, vehicle mounted guidance, realized the time shifting broadcasting of TV programme by management and the buffering area of control store video/audio, this buffering area is made up of an index file and several broadcast data storage files.Each broadcast cycle receives data and preserves into a local file, and is joined in order in index file by this file storage location.When user carries out time shifting broadcasting, according to the broadcasting moment that user specifies, be converted to relative broadcast cycle.From index file, inquire the storage file path that these broadcast cycle data are corresponding, from file, read video/audio pass to the time shifting broadcasting that decoder carries out TV programme.
One of ordinary skill in the art will appreciate that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme that foregoing embodiments is recorded, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a method for digital broadcast television time shifting broadcasting, said method comprising the steps of:
1) receiving digital broadcast TV signal, and obtain video/audio;
2) using the video/audio of each broadcast cycle as a spot broadcasting data file, be saved in the buffering area of file storage module;
3) memory location of described spot broadcasting data file is joined in index file in order;
4) receive the input operation of user, and according to the broadcasting moment that the user parsed specifies, calculate relative initial broadcast cycle;
5) according to described initial broadcast cycle, from index file, inquire the store path of broadcast data file corresponding to broadcast cycle data initial with this, and from broadcast data file, read video/audio play,
Wherein, in the index file of described step 3), comprise the corresponding relation between the broadcast cycle of video/audio and the store path of broadcast data file,
Wherein, described step 5) is further comprising the steps:
A) according to index file, judge in buffering area, whether to there is above-mentioned initial broadcast cycle;
If b) this initial broadcast cycle is present in index file, then from index file, inquire the store path of broadcast data file corresponding to these broadcast cycle data, from broadcast data file, read video/audio play;
If c) this initial broadcast cycle is not present in index file, then the broadcast cycle that in indexed file, the chosen distance designated broadcast cycle is nearest is as initial broadcast cycle.
2. the method for digital broadcast television time shifting broadcasting according to claim 1, it is characterized in that, described step 2) in, if user limits the size of buffering area, when then expiring in buffering area, broadcast data file corresponding for the oldest broadcast cycle is deleted, the broadcast data file that regeneration is new, delete the Article 1 path of index file simultaneously, the path of new file is attached to the last of index file.
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| CN103258178B (en) * | 2013-04-19 | 2018-04-20 | 北京创毅讯联科技股份有限公司 | The RF control method and mobile terminal of a kind of mobile terminal |
| US10523996B2 (en) | 2014-03-28 | 2019-12-31 | Interdigital Ce Patent Holdings | Method and system for backward recording |
| CN105187919A (en) * | 2015-07-24 | 2015-12-23 | 青岛海信传媒网络技术有限公司 | Television program processing method and equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257600A (en) * | 2007-09-28 | 2008-09-03 | 深圳市同洲电子股份有限公司 | Digital television receiver, method and apparatus for backtracking and playing real time digital television program |
| 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 |
| CN101577811A (en) * | 2009-06-10 | 2009-11-11 | 深圳市茁壮网络股份有限公司 | Digital television Kara OK system and method for realizing function of Kara OK thereof |
| CN101662614A (en) * | 2008-08-26 | 2010-03-03 | 海尔集团公司 | Advertisement inserting method and advertisement inserting control device of digital program |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807735B1 (en) * | 2006-04-10 | 2008-02-28 | 삼성전자주식회사 | Apparatus and method for processing broadcast data in a digital multimedia broadcasting terminal |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257600A (en) * | 2007-09-28 | 2008-09-03 | 深圳市同洲电子股份有限公司 | Digital television receiver, method and apparatus for backtracking and playing real time digital television program |
| CN101662614A (en) * | 2008-08-26 | 2010-03-03 | 海尔集团公司 | Advertisement inserting method and advertisement inserting control device of digital program |
| 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 |
| CN101577811A (en) * | 2009-06-10 | 2009-11-11 | 深圳市茁壮网络股份有限公司 | Digital television Kara OK system and method for realizing function of Kara OK thereof |
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