CN102209267A - Method for acquiring multi-frequency-point EPG (Electronic Program Guide) information - Google Patents
Method for acquiring multi-frequency-point EPG (Electronic Program Guide) information Download PDFInfo
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Abstract
The invention provides a method for acquiring multi-frequency-point EPG (Electronic Program Guide) information. The method comprises the following steps of: 200, making a network operator place EPG information of all frequency points within a specific period of time in a specific area in an EIT (Event Information Table); 300, when a system is standby, filtering the EPG information of a plurality of frequency points in a specific period of time out of the EIT, writing into an internal storage and storing EPG information in the internal storage into storage equipment; and 400, after the system is started up, reading the EPG information of the storage equipment by using a digital system and displaying the EPG information. In the method, the EPG information of all the frequency points in a certain period of time is stored in the storage equipment, and after the digital system is started, the EPG information of all the frequency points is directly called from the storage equipment for displaying without specially filtering the EPG information of all the frequency points, so that the time for acquiring the EPG information of all the frequency points is saved, and the user experience is improved.
Description
Technical field
The invention belongs to the digital television techniques field, relate in particular to a kind of multifrequency point EPG information getting method.
Background technology
Along with the continuous development of TV tech, the customer group of Digital Television constantly enlarges; Simultaneously, CHINA RFTCOM Co Ltd is brought in constant renewal in, and radio and TV operator in all parts of the country is also actively promoting Digital Television, and this can make Digital Television finally replace simulated television.
In Digital Television, usually adopt EPG (Electronic Program Guide electronic program guides) to carry out the digital television program advance notice, EPG is a kind of business information of inserting in meeting the TS of Moving Picture Experts Group-2 (Transfer Stream) stream according to the DVB standard definition.After digital TV terminal is resolved EPG information by related software, be presented on the video screen with character or audio-visual picture sheet form, make things convenient for the user promptly to search for program, understand programme information.As one of basic service of Digital Television, EPG information integrity, display speed and the memory space that takies are difficult points in the digital TV terminal design always.
In the prior art, the time that operator obtains EPG information for the minimizing terminal, and improve its accuracy, generally adopt following two kinds of methods:
1, increases NIT (Network Information Table network information table) dominant frequency point.When digital terminal started, search dominant frequency point (frequency that the NIT table is arranged) had the frequency that sends programme information thereby obtain front end earlier, filters the EPG information that each sends the programme information frequency then, displaying video programs again after waiting to finish.
2, increase EPG dominant frequency point, the EPG information that is about to all programs is placed on a frequency, and terminal at first switches to this frequency when starting, search EPG information, displaying video again after waiting to finish.
For the digital TV terminal in the market that orients towards the whole country, demand side is to domestic last hundred tame cable TV network operators, yet, because historical reasons, the standard that each regional radio and TV operator sends digital television signal differs, and present digital terminal product can't adapt to the different EPG send modes of each cable TV network operator fully.
Because the differentiation of operator, digital intergrated unit need show to obtain EPG information by the EIT that filters each frequency successively before start enters EPG for the first time, and shown in Figure 1 is the flow chart of prior art EPG information getting method.This method comprises:
Step S101 after the digital terminal start, begins to play the program of a frequency;
Step S102, the EPG information of filtering current broadcast frequency;
Step S103 judges whether to enter channel list; If change step S104, otherwise change step S105;
Step S104 shows the EPG information of current frequency;
Step S105 enters the EPG tabulation, shielding user operation, and all frequency EPG information are searched on the backstage;
Step S106 shows the EPG tabulation of all frequencies.
When the user need show the EPG tabulation of all channels, need search for all frequencies, this can expend the plenty of time, directly influences user's experience effect.
At present, the tableID that digital terminal manufacturer shows at EIT (Event Information Table.) in the TS stream equals the table (the current in progress programme information of this business) of 0x4e, has also increased the EPG information of current in progress program in channel list.If for EPG information still according at present for the processing scheme of EPG, the user opens channel list after start, can find only to show in the tabulation EPG information (in general having only 8 platforms that EPG information is arranged) of current in progress program place frequency, and the EPG information of other programs is blank, if the user wants to understand the EPG information of other programs, still must switch frequency (switching to the program of other frequencies), allow tuner frequency locking again, filter SI (Serviceinformation) information.
This shows that the scheme of handling EPG information at present still need be switched frequency, obtain EPG information by the SI information of filtering all frequencies, this still can waste the plenty of time, influences user experience.
Therefore, be necessary to provide a kind of multifrequency point EPG information getting method, to improve the user experience effect.
Summary of the invention
The object of the invention is to provide a kind of multifrequency point EPG information getting method, is intended to solve problem in the prior art.
The present invention is achieved in that, a kind of multifrequency point EPG information getting method, and the method comprising the steps of:
Step S200, Virtual network operator is positioned over specific region among the EIT with the EPG information of all frequencies in the special time period; Step S300 during system standby, filters out the EPG information of multifrequency point in the special time period among the EIT, write memory, and with the EPG information in the internal memory and be saved to memory device; Step S400, after the system start-up, digital system reads the EPG information of memory device, and shows EPG information.
Among the step S200 of this multifrequency point EPG information getting method, according to the DVB-C standard, EPG information in the special time period is placed on Table ID is in the table of 0x50～0x5f among the EIT, being placed on the P/F information of EPG at Table ID respectively is in the table of 0x4e and 0x4f.
Among the step S200 of this multifrequency point EPG information getting method, the EPG information in special time sends special time period, and, delete out-of-date EPG information according to the passing of time.
In this multifrequency point EPG information getting method, step S300 specifically comprises the steps: step S301, and the user sends standby command; Step S302, digital television system is filtered the EPG information in the special time period, and whether detection of stored equipment has enough space storage EPG information; If enough spaces are arranged, execution in step S304 then; Step S304 judges whether store EPG information in the memory device; If do not store EPG information, execution in step S305 then; Step S305, with the EPG information stores in the special time period that filters out in memory device.
Among the step S304 of this multifrequency point EPG information getting method, judge and whether store EPG information in the memory device, if store EPG information, execution in step S306 then; Step S306 to the EPG information write memory that filters out, and contrasts inquiry one by one with EPG information in the internal memory and the EPG information in the memory device; Change execution in step S307; Whether step S307 judges effective to the inquiry of EPG information; If effectively, execution in step S308 then, otherwise execution in step S311; Step S308 judges whether EPG information in the internal memory can have the data of coupling in memory device; If have, execution in step S309 then, otherwise execution in step S310; Step S309 directly inquires about next bar EPG information; Change execution in step S307 then; Step S310, the EPG information in the interpolation step S308 internal memory is to memory device; Execution in step S309 successively then, step S307; Step S311 ends task, and continues standby.
Among the step S302 of this multifrequency point EPG information getting method, digital television system is filtered the EPG information in the special time period, and whether detection of stored equipment has enough space storage EPG information; If there are not enough spaces, execution in step S303 then, otherwise execution in step S304; Step S303 continues standby.
Possess the step of comprising the steps: S402 among the step S400 of this multifrequency point EPG information getting method, judge whether memory device work is normal, if change step S403; Step S403 judges whether the EPG data backup is arranged in the memory device, if change step S405; Step S405, according to current system time, the EPG information after memory device inquires the current time, and it is copied to assigned address in the Installed System Memory; Change step S407; Step S407 enters channel list or EPG tabulation, can show full detail.
In this multifrequency point EPG information getting method, this step S402 judges that memory device work is undesired; Or this step S403, judge when not having the EPG data backup in the memory device, change step S404, step S404, the normal play program, and, change step S406 in backstage filtration SI information; Step S406 filters the SI information of current frequency, and updates to internal memory; Change step S407.
In this multifrequency point EPG information getting method, also comprise step S401 before the step S402, behind the system initialization, detection of stored equipment.
The present invention is kept in the memory device by the EPG information with all frequencies in the special time, after digital system is opened, the EPG information of directly calling all frequencies from memory device shows, need not to filter specially the EPG information of all frequencies, save the time of obtaining all frequency EPG information, improved user experience.
Description of drawings
Fig. 1 is the flow chart of prior art EPG information getting method;
Fig. 2 is the flow chart of multifrequency point EPG information getting method of the present invention;
Fig. 3 is an idiographic flow of realizing step S300 among Fig. 2;
Fig. 4 is a particular flow sheet of realizing step S400 among Fig. 2.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 2, be the flow chart of multifrequency point EPG information getting method of the present invention.This multifrequency point EPG information getting method comprises that step is as follows:
Step S200, Virtual network operator is positioned over specific region among the EIT with the EPG information of all frequencies in the special time period;
Operator is according to the DVB-C standard, the EPG information in the special time period is placed on Table ID is in the table of 0x50～0x5f among the EIT.Because operator considers the periodicity that data send, be placed on the P/F of EPG (Present/Follow current/next program) information at Table ID respectively and be in the table of 0x4e and 0x4f, make things convenient for terminal to filter this two TableID information fast.In fact, TableID is that 0x50～0x5f EPG information has comprised that TableID is the information of 0x4e and 0x4f.
The EPG information in the special time period is selected to send some day by operator, and the length of time period is grasped voluntarily by operator, for example, and 7 days EPG information after upgrading Sunday on Sunday, and, delete out-of-date EPG information according to the passing of time.
Step S300 during system standby, filters out the EPG information of the interior multifrequency point of special time period among the EIT, and is saved to memory device; This memory device can be external USB flash disk, memory devices such as portable hard drive, or built-in memory devices such as hard disk.
The particular flow sheet of performing step S300 as described in Figure 3, this step S300 specifically comprises the steps:
Step S301, the user sends standby command;
Step S302, digital television system is filtered the EPG information in the special time period, and whether detection of stored equipment has enough space storage EPG information; In this step, special time period is identical with the special time period that operator sends EPG information; If there are not enough spaces, execution in step S303 then, otherwise execution in step S304;
Step S303 continues standby;
Step S304 judges whether store EPG information in the memory device; If storage EPG information, execution in step S305 then, if do not store EPG information, otherwise execution in step S306;
Step S305, with the EPG information stores in the special time period that filters out in memory device;
Step S306 to the EPG information write memory that filters out, and contrasts inquiry one by one with EPG information in the internal memory and the EPG information in the memory device; Change execution in step S307;
Whether step S307 judges effective to the inquiry of EPG information; If effectively, execution in step S308 then, otherwise execution in step S311.
Step S308 judges whether EPG information in the internal memory can have the data of coupling in memory device; If have, execution in step S309 then, otherwise execution in step S310;
Step S309 directly inquires about next bar EPG information; Change execution in step S307 then;
Step S310, the PG information of adding step S308 filtration is to memory device; Execution in step S309 successively then, step S307;
Step S311 ends task, and continues standby.
By above-mentioned steps S301-S311, the renewal of special time period EPG information in digital system is finished memory device when standby is to guarantee that EPG information is up-to-date.
Step S400, after the system start-up, digital system reads the EPG information of memory device, and shows EPG information.
The particular flow sheet of performing step S400 as described in Figure 4, this step S400 specifically comprises the steps:
Step S401, behind the system initialization, detection of stored equipment;
Step S402 judges whether memory device work is normal, if change step S403, otherwise changes execution in step S404;
Step S403 judges whether the EPG data backup is arranged in the memory device, if change step S405, otherwise changes step S404;
Step S404, the normal play program, and, change step S406 in backstage filtration SI information;
Step S405, according to current system time, after memory device inquires the current time EPG information, and it is copied to assigned address in the Installed System Memory; Change step S407.
Step S406 filters the SI information of current frequency, and updates to internal memory; Change step S407;
Step S407 enters channel list or EPG tabulation, can show full detail.
The present invention is kept in the memory device by the EPG information with all frequencies in the special time, after digital system is opened, the EPG information of directly calling all frequencies from memory device shows, need not to filter specially the EPG information of all frequencies, save the time of obtaining all frequency EPG information, improved user experience.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. multifrequency point EPG information getting method, the method comprising the steps of:
Step S200, Virtual network operator is positioned over specific region among the EIT with the EPG information of all frequencies in the special time period;
Step S300 during system standby, filters out the EPG information of multifrequency point in the special time period among the EIT, write memory, and with the EPG information in the internal memory and be saved to memory device;
Step S400, after the system start-up, digital system reads the EPG information of memory device, and shows EPG information.
2. multifrequency point EPG information getting method according to claim 1, it is characterized in that, among the step S200, according to the DVB-C standard, EPG information in the special time period is placed on Table ID is in the table of 0x50～0x5f among the EIT, being placed on the P/F information of EPG at Table ID respectively is in the table of 0x4e and 0x4f.
3. multifrequency point EPG information getting method according to claim 2 is characterized in that, among the step S200, and the EPG information in special time sends special time period, and, delete out-of-date EPG information according to the passing of time.
4. multifrequency point EPG information getting method according to claim 1 is characterized in that step S300 specifically comprises the steps:
Step S301, the user sends standby command;
Step S302, digital television system is filtered the EPG information in the special time period, and whether detection of stored equipment has enough space storage EPG information; If enough spaces are arranged, execution in step S304 then;
Step S304 judges whether store EPG information in the memory device; If do not store EPG information, execution in step S305 then;
Step S305, with the EPG information stores in the special time period that filters out in memory device.
5. multifrequency point EPG information getting method according to claim 4 is characterized in that, among the step S304, judges and whether stores EPG information in the memory device, if store EPG information, and execution in step S306 then;
Step S306 to the EPG information write memory that filters out, and contrasts inquiry one by one with EPG information in the internal memory and the EPG information in the memory device; Change execution in step S307;
Whether step S307 judges effective to the inquiry of EPG information; If effectively, execution in step S308 then, otherwise execution in step S311;
Step S308 judges whether EPG information in the internal memory can have the data of coupling in memory device; If have, execution in step S309 then, otherwise execution in step S310;
Step S309 directly inquires about next bar EPG information; Change execution in step S307 then;
Step S310, the EPG information in the interpolation step S308 internal memory is to memory device; Execution in step S309 successively then, step S307;
Step S311 ends task, and continues standby.
6. multifrequency point EPG information getting method according to claim 4 is characterized in that, among this step S302, digital television system is filtered the EPG information in the special time period, and whether detection of stored equipment has enough space storage EPG information; If there are not enough spaces, execution in step S303 then, otherwise execution in step S304;
Step S303 continues standby.
7. multifrequency point EPG information getting method according to claim 1 is characterized in that, possesses among the step S400 to comprise the steps:
Step S402 judges whether memory device work is normal, if change step S403;
Step S403 judges whether the EPG data backup is arranged in the memory device, if change step S405;
Step S405, according to current system time, the EPG information after memory device inquires the current time, and it is copied to assigned address in the Installed System Memory; Change step S407;
Step S407 enters channel list or EPG tabulation, can show full detail.
8. multifrequency point EPG information getting method according to claim 7 is characterized in that, this step S402 judges that memory device work is undesired; Or this step S403, judge when not having the EPG data backup in the memory device, change step S404,
Step S404, the normal play program, and, change step S406 in backstage filtration SI information;
Step S406 filters the SI information of current frequency, and updates to internal memory; Change step S407.
9. multifrequency point EPG information getting method according to claim 7 is characterized in that, also comprises step S401 before the step S402, behind the system initialization, and detection of stored equipment.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103260073A (en) * | 2012-02-15 | 2013-08-21 | 深圳市视纬通科技有限公司 | Method and device for rapidly processing and displaying electronic program guide information, digital television and main board of digital television |
| CN104202651A (en) * | 2014-08-27 | 2014-12-10 | 深圳市九洲电器有限公司 | EPG (Electronic Program Guide) updating method and system |
| CN105611399A (en) * | 2015-12-24 | 2016-05-25 | 深圳市九洲电器有限公司 | Multi-day electronic program guide obtaining method and system |
| WO2016107258A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳Tcl新技术有限公司 | Method and server for acquiring television network data |
| CN108259962A (en) * | 2018-01-25 | 2018-07-06 | 深圳创维数字技术有限公司 | program switching method, set-top box and storage medium |
| CN112584246A (en) * | 2020-12-07 | 2021-03-30 | 深圳创维－Rgb电子有限公司 | EPG update processing method and device based on television, intelligent terminal and medium |
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| CN103260073A (en) * | 2012-02-15 | 2013-08-21 | 深圳市视纬通科技有限公司 | Method and device for rapidly processing and displaying electronic program guide information, digital television and main board of digital television |
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| CN105611399A (en) * | 2015-12-24 | 2016-05-25 | 深圳市九洲电器有限公司 | Multi-day electronic program guide obtaining method and system |
| CN108259962A (en) * | 2018-01-25 | 2018-07-06 | 深圳创维数字技术有限公司 | program switching method, set-top box and storage medium |
| CN112584246A (en) * | 2020-12-07 | 2021-03-30 | 深圳创维－Rgb电子有限公司 | EPG update processing method and device based on television, intelligent terminal and medium |
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