CN105100877A - Realization method for digital television equipment to receive large quantity of electronic program guide information - Google Patents
Realization method for digital television equipment to receive large quantity of electronic program guide information Download PDFInfo
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- CN105100877A CN105100877A CN201510444502.8A CN201510444502A CN105100877A CN 105100877 A CN105100877 A CN 105100877A CN 201510444502 A CN201510444502 A CN 201510444502A CN 105100877 A CN105100877 A CN 105100877A
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- data
- guide information
- program guide
- electronic program
- digital television
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007906 compression Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 15
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013144 data compression Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
-
- 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
- H04N21/4351—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reassembling additional data, e.g. rebuilding an executable program from recovered modules
-
- 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
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a realization method for digital television equipment to receive a large quantity of electronic program guide information. Through using a data compression mode, electronic program guide information data is analyzed and compressed and then the data is stored in a memory. When displaying is needed, assigned guide information is decompressed so as to display. By using the above method, a problem that a lot of guide information can not be received and stored in the limited memory is solved. A lot of electronic program guide information can be stored in the limited memory so that an effect of storing a lot of data in the small memory is reached and production cost of digital television receiving is saved.
Description
Technical field
The present invention relates to communication and technical field of memory, be specifically related to a kind of digital television receiver and receive the technology storing large-scale program guide information.
Background technology
In use, we need to obtain electronic program guide information from operator front end digital television receiver.Along with the development of Digital Television, operator drops into increasing program in front end, and each program has corresponding electronic program guide information, so electronic program guide information data are also increasing, the internal memory causing needs increasing, to store these information, can increase cost.And once receiver is put on market, its memory capacity just determines, and the data grows of front end is many, these receivers can be caused more and more not satisfy the demands after input.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of digital television devices to receive the implementation method of large quantity electronic program guide information, for solving the technical problem cannot collected on limited memory and preserve a large amount of guide information.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
Digital television devices receives an implementation method for large quantity electronic program guide information, and it comprises:
(I) is when digital television receiver obtains data flow, from data flow, analyze tsid, originalnetworkid, serviceid, eventid of comprised program, go the event information searching and judge appointed program whether to store according to analyzed id; If do not stored, then store this segment data; If stored, then judge whether this segment data repeats, if do not repeated, continue to store, if repeated, abandon this segment data;
(II) and in advance analysis one section need the program guide data preserved, if its data length is less than the memory headroom size m specified, then directly preserve; If its data length is greater than m, then a length n is often specified to carry out compressed storage until this segment data compressed storage is complete data;
(III) needs more under news in the electronic program guide information data of correspondence, then the data release of having preserved, again compress preservation;
(IV) when apply need to call appointed program electronic program guide information to show, then go to search corresponding compression data packet according to originalnetworkid, serviceid of program, decompress(ion) obtains the data needing display.
In order to realize the present invention better, further technical scheme is:
According to one embodiment of the invention, in described step (I): the data stored can store with the structure of chained list in a database, judge whether to store, tsid, originalnetworkid, serviceid, eventid of program corresponding in tsid, originalnetworkid, serviceid, eventid of program and database is needed to compare, if all identical, just think and stored, otherwise need to continue to store.
According to another embodiment of the invention, in described step (II): take different compression factor according to different data types and size.
According to another embodiment of the invention, when storage data are string data, compression factor is between 1:5 to 1:10.
The present invention can also be:
According to another embodiment of the invention, by the mode of memory copying, data are put in this memory headroom, in use, if correct data can be read from this memory headroom, namely think that the data stored are correct.
Compared with prior art, one of beneficial effect of the present invention is:
A kind of digital television devices of the present invention receives the implementation method of large quantity electronic program guide information, by adopting the mode of data compression, after electronic program guide information data analysis, compression, be kept in internal memory, the method needing the guide information going decompress(ion) to specify again when display to show, solves the problem cannot collected on limited memory and preserve a large amount of guide information; A large amount of electronic program guide information can be stored on limited memory, reach the effect that little internal memory preserves large data, save the production cost of Digital TV Receiving.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technical scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows the idiographic flow schematic diagram storing data according to an embodiment of the invention.
Fig. 2 shows and obtains data according to an embodiment of the invention and the schematic flow sheet stored.
Fig. 3 shows Data Update schematic flow sheet according to an embodiment of the invention.
Fig. 4 shows and applies usage data schematic flow sheet according to an embodiment of the invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Shown in Fig. 1 ~ Fig. 4, a kind of digital television devices receives the implementation method of large quantity electronic program guide information, specifically comprises the steps:
Step 1: when digital television receiver obtains data flow, tsid, originalnetworkid, serviceid, eventid of comprised program is analyzed from data flow, go to search according to these id, and judge whether this event information of appointed program stores.If do not stored, then store this segment data; If stored, then judge whether this segment data repeats, if do not repeated, continue to store, if repeated, abandon this segment data.The data stored can store with the structure of chained list in a database, judge whether to store, tsid, originalnetworkid, serviceid, eventid of program corresponding in tsid, originalnetworkid, serviceid, eventid of program and database is needed to compare, if all identical, just think and stored, otherwise need to continue to store.
Step 2: analyze one section of program guide data needing to preserve in advance, if its data length is less than the memory headroom size m specified, then can directly preserve.If its data length is greater than m, then a length n is often specified to carry out compressed storage until this segment data compressed storage is complete data.All data can be compressed, and just compression factor varies in size; Compression factor is relevant with size with the data type that will compress, and with regard to the string data stored in epg, compression factor is about 1:5 to 1:10; M is memory headroom size, by the mode of memory copying, data is put in this space, in use, if can read correct data from this internal memory, namely thinks that the data stored are correct; N is configurable.
Step 3: if the electronic program guide information data of correspondence will upgrade, then the data release of having preserved, compress preservation again.
Step 4: when application needs the electronic program guide information calling appointed program to show, then go to search corresponding compression data packet according to originalnetworkid, serviceid of program, decompress(ion) obtains the data needing display.After taking these measures, generally can expand 5-10 programme information doubly.
The present invention can store a large amount of electronic program guide information on limited memory, reaches the effect that little internal memory preserves large data, saves the production cost of Digital TV Receiving.
One specific embodiment, digital television receiver of the present invention is collected in the technology of large-scale program guide information:
A. distribute the memory headroom of 4K byte, designated length then needs compression to preserve more than 4K byte.
B. digital television receiver receives epg data stream, analyze the program parameter and corresponding event argument tsid, originalnetworkid, serviceid, eventid that comprise in this data flow, whether stored by these id searched events information in internal memory of going, if stored, abandon, otherwise just carry out superposition to event information data stream to store, buffer zone is designated as TB0, when superposition length is more than 4K, then this content is carried out compressing and being stored in P0.To check whether there is compressed package P0 when every second compression, if had, adding after compressed package P0 decompress(ion) that the data of TB0 are again compressed to P0 again and deposit, until all event informations of this program whole deposit complete, finally form the compressed data packets P0 of this program.
C. when needing the allocate event information showing appointed program, by searching the program of specifying in tsid, originalnetworkid, serviceid to internal memory, the compressed data packets P0 of this program of decompress(ion), then obtain corresponding data according to eventid, the reading of data can be completed.
As shown in Figure 1, Fig. 1 shows the idiographic flow schematic diagram storing data according to an embodiment of the invention, start to obtain data flow, distribute the space A of N (configurable) byte, copies data is in the A of space, judge whether space A is filled with, when not being filled with, then copies data is in the A of space, when being filled with, judge whether temporary space B, then distribute a temporary space B, and the data of space A are stored in space B, and judge whether data have deposited again, if stored, terminate, if do not stored, then return the step copying data A to, when there being temporary space B, then decompress(ion) space B, adds the fresh content temporary space B that compression formation is new again together in the A of space, and again judge whether data have deposited, if stored, terminate, if do not stored, then return the step copying data A to.
As shown in Figure 2, Fig. 2 shows and obtains data according to an embodiment of the invention and the schematic flow sheet stored, start receiver and obtain data, resolution data obtains tsid, originalnetworkid, serviceid, eventid again, judge whether data store according to tsid, originalnetworkid, serviceid, eventid, if stored, then judge whether data repeat, if Data duplication, then abandon and change data, otherwise establishment chained list node, is stored into data in database; If judge that tsid, originalnetworkid, serviceid, eventid do not store, then create chained list node, data are stored in database.
As shown in Figure 3, Fig. 3 shows Data Update schematic flow sheet according to an embodiment of the invention, start, receiver obtains new data, resolution data obtains tsid, originalnetworkid, serviceid, eventid, CRC or version number, then specific data bag is found according to tsid, originalnetworkid, serviceid, eventid, judge whether CRC or version number change again, if change, does not abandon data, if changed, then decompress(ion) specific data bag, then compression stores data again.
As shown in Figure 4, Fig. 4 shows and applies usage data schematic flow sheet according to an embodiment of the invention, start, tsid, originalnetworkid, serviceid, event are imported in application into, then judge whether packet stores according to tsid, originalnetworkid, serviceid, eventid, if not, terminate, if had, then decompress(ion) specific data bag, then copy the data after decompress(ion) to application use.
In sum, the present invention 1) for the limited terminal receiver of memory capacity, the method for the quick storage Large Copacity programme information of proposition; 2) treat programs stored information and carried out analyzing and processing in advance, repeated storage and squeeze operation can be avoided, save operating time and memory space.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution mode, these amendments and execution mode will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of and claim open in the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (5)
1. digital television devices receives an implementation method for large quantity electronic program guide information, it is characterized in that it comprises:
(I) is when digital television receiver obtains data flow, from data flow, analyze tsid, originalnetworkid, serviceid, eventid of comprised program, go the event information searching and judge appointed program whether to store according to analyzed id; If do not stored, then store this segment data; If stored, then judge whether this segment data repeats, if do not repeated, continue to store, if repeated, abandon this segment data;
(II) and in advance analysis one section need the program guide data preserved, if its data length is less than the memory headroom size m specified, then directly preserve; If its data length is greater than m, then a length n is often specified to carry out compressed storage until this segment data compressed storage is complete data;
(III) needs more under news in the electronic program guide information data of correspondence, then the data release of having preserved, again compress preservation;
(IV) when apply need to call appointed program electronic program guide information to show, then go to search corresponding compression data packet according to originalnetworkid, serviceid of program, decompress(ion) obtains the data needing display.
2. digital television devices according to claim 1 receives the implementation method of large quantity electronic program guide information, it is characterized in that in described step (I): the data stored can store with the structure of chained list in a database, judge whether to store, tsid, originalnetworkid, serviceid, eventid of program corresponding in tsid, originalnetworkid, serviceid, eventid of program and database is needed to compare, if all identical, just think and stored, otherwise need to continue to store.
3. digital television devices according to claim 1 receives the implementation method of large quantity electronic program guide information, it is characterized in that in described step (II): take different compression factor according to different data types and size.
4. digital television devices according to claim 3 receives the implementation method of large quantity electronic program guide information, and it is characterized in that the data stored are when being string data, compression factor is 1:5 to 1:10.
5. digital television devices according to claim 1 receives the implementation method of large quantity electronic program guide information, it is characterized in that by the mode of memory copying, data being put in this memory headroom, in use, if correct data can be read from this memory headroom, namely think that the data stored are correct.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510444502.8A CN105100877B (en) | 2015-07-27 | 2015-07-27 | Digital television devices receive the implementation method of big quantity electronic program guide information |
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| CN201510444502.8A CN105100877B (en) | 2015-07-27 | 2015-07-27 | Digital television devices receive the implementation method of big quantity electronic program guide information |
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| CN105100877A true CN105100877A (en) | 2015-11-25 |
| CN105100877B CN105100877B (en) | 2019-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402817A (en) * | 2017-08-01 | 2017-11-28 | 深圳创维数字技术有限公司 | Save method, apparatus, set top box and the storage medium of internal memory |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996041423A1 (en) * | 1995-06-07 | 1996-12-19 | Tv Guide On Screen | Compression of an electronic programming guide |
| US20040268394A1 (en) * | 2003-06-27 | 2004-12-30 | Microsoft Corporation | Compressing and decompressing EPG data |
| CN102082939A (en) * | 2009-11-30 | 2011-06-01 | 鸿富锦精密工业（深圳）有限公司 | Television and automatic updating method of program list thereof |
| CN102769796A (en) * | 2011-05-05 | 2012-11-07 | 深圳创维数字技术股份有限公司 | Set-top box, server and method and system for updating program information of set-top box |
| CN102841907A (en) * | 2011-06-24 | 2012-12-26 | 环达电脑(上海)有限公司 | Methods for processing data compression and decompression |
| CN102957941A (en) * | 2012-07-18 | 2013-03-06 | 深圳市同洲电子股份有限公司 | Program content broadcasting method and digital television front end |
-
2015
- 2015-07-27 CN CN201510444502.8A patent/CN105100877B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996041423A1 (en) * | 1995-06-07 | 1996-12-19 | Tv Guide On Screen | Compression of an electronic programming guide |
| US20040268394A1 (en) * | 2003-06-27 | 2004-12-30 | Microsoft Corporation | Compressing and decompressing EPG data |
| CN102082939A (en) * | 2009-11-30 | 2011-06-01 | 鸿富锦精密工业（深圳）有限公司 | Television and automatic updating method of program list thereof |
| CN102769796A (en) * | 2011-05-05 | 2012-11-07 | 深圳创维数字技术股份有限公司 | Set-top box, server and method and system for updating program information of set-top box |
| CN102841907A (en) * | 2011-06-24 | 2012-12-26 | 环达电脑(上海)有限公司 | Methods for processing data compression and decompression |
| CN102957941A (en) * | 2012-07-18 | 2013-03-06 | 深圳市同洲电子股份有限公司 | Program content broadcasting method and digital television front end |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402817A (en) * | 2017-08-01 | 2017-11-28 | 深圳创维数字技术有限公司 | Save method, apparatus, set top box and the storage medium of internal memory |
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| CN105100877B (en) | 2019-03-22 |
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Application publication date: 20151125 Assignee: Sichuan Changhong Xinwang Technology Co.,Ltd. Assignor: SICHUAN CHANGHONG ELECTRIC Co.,Ltd. Contract record no.: X2023980043949 Denomination of invention: The Implementation Method of Digital TV Equipment Receiving Large Quantity of Electronic Program Guide Information Granted publication date: 20190322 License type: Common License Record date: 20231030 |
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