CN104202651B - A kind of EPG update methods and system - Google Patents
A kind of EPG update methods and system Download PDFInfo
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- CN104202651B CN104202651B CN201410428840.8A CN201410428840A CN104202651B CN 104202651 B CN104202651 B CN 104202651B CN 201410428840 A CN201410428840 A CN 201410428840A CN 104202651 B CN104202651 B CN 104202651B
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- epg
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Abstract
The present invention relates to a kind of EPG update methods and system, the EPG event updates that the EIT tables that this method only changes version are transmitted replace the EPG events that legacy version is transmitted in channel EPG list of things, the EPG list of things of new and old two versions of two buffer caches are created simultaneously, and display interface is refreshed again after buffer area completes to update to old EPG list of things.The present invention is not all to delete all EPG list of things, again whole EIT tables are received to be updated, just refresh once nor completing an EIT table and updating, so as to avoid causing the problem of EPG events are not complete, it will not be checked to user and bring very big inconvenience, the situation that frequent brush screen occurs for interface is avoided simultaneously, and EPG event informations are watched beneficial to user.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of EPG update methods and system.
Background technology
At present, can be by every when using audio-video terminal (such as television set, set top box etc.) viewing TV programme
EPG (Electronic Program Guide, i.e. electronic program guides) list of thing of individual channel checks the thing of each channel
Part.
Each channel EPG list of things are by multiple EIT (Event Information Table, i.e. event information
Table) table transmits.When EPG updates, as long as the version for having an EIT table changes, just by all EPG things of the channel
Part is all deleted, and goes to receive multiple EIT tables again, and parses EPG events from the EIT tables newly received, is generated newly
EPG list of things.The regular hour is needed due to having received multiple EIT tables, if now going to check EPG list of things,
The EPG events of the EIT table just received are just can only see, the problem of EPG events are not complete is so resulted in, is looked into user
See and bring very big inconvenience.Meanwhile, when an EIT version changes, and EPG updates, interface can carry out brush screen, so many when having
When individual EIT versions change, the situation of frequent brush screen can occur for interface, so equally be unfavorable for user's viewing EPG things
Part information.
The content of the invention
In view of this, it is necessary to update the problem of bringing very big inconvenient to user there is provided a kind of EPG more for above-mentioned EPG
New method and system.
The present invention provides a kind of EPG update methods, comprises the following steps:
S10:When EIT table versions change, the redaction of the EIT tables changed according to version determines corresponding hair
The raw channel updated and EPG events;
S20:The EPG things that the legacy version of the EIT tables changed in the EPG list of things of correspondence channel by this is transmitted
Part is deleted, and the EPG events of the EIT tables redaction transmission changed are inserted into the EPG of correspondence channel sequentially in time
In list of thing, new EPG list of things are formed;
S30:The first buffer area and the second buffer area are created, the first buffer area is used for EPG event columns new in cache
Table, the second buffer area caches old EPG list of things;
S40:EPG list of things in first buffer area are contrasted with EPG list of things old in the second buffer area, such as
Really the EPG events in the first buffer area are had any different with the EPG events in the second buffer area, then with the EPG in the first buffer area
Event replaces the EPG events in the second buffer area;
S50:After all EPG events in having contrasted the first buffer area and the second buffer area, refresh display interface, by second
EPG list of things are shown in buffer area.
The present invention also provides a kind of EPG more new systems, including:
Determining unit is updated, when EIT table versions change, the redaction of the EIT tables changed according to version is true
The fixed corresponding channel updated and EPG events;
Event update unit, the legacy version of the EIT tables changed in the EPG list of things of correspondence channel by this is passed
Defeated EPG events are deleted, and the EPG events of the EIT tables redaction transmission changed are inserted into correspondence sequentially in time
In the EPG list of things of channel, new EPG list of things are formed;
Creating unit is cached, the first buffer area and the second buffer area is created, the first buffer area is used for new in cache
EPG list of things, the second buffer area caches old EPG list of things;
Buffer update unit, EPG list of things in the first buffer area are entered with EPG list of things old in the second buffer area
Row contrast, if the EPG events in the first buffer area are had any different with the EPG events in the second buffer area, uses the first buffer area
In the EPG events replace the second buffer area in the EPG events;
List display unit, after all EPG events in having contrasted the first buffer area and the second buffer area, refreshes and shows boundary
Face, EPG list of things in the second buffer area are shown.
EPG update methods and system of the present invention, the EPG event updates that the EIT tables that only version changes are transmitted are replaced
The EPG events that legacy version is transmitted in channel EPG list of things are changed, while creating new and old two versions of two buffer caches
EPG list of things, refresh display interface again after buffer area completes to update to old EPG list of things, rather than by all EPG
List of thing is all deleted, and whole EIT tables are received again and are updated, and is also not completed an EIT tables renewal and is just refreshed once,
So as to avoid causing the problem of EPG events are not complete, it will not be checked to user and bring very big inconvenience, while avoiding interface occurs frequency
The situation of numerous brush screen, EPG event informations are watched beneficial to user.
Brief description of the drawings
Fig. 1 is the flow chart of the EPG update methods in one embodiment;
Fig. 2 is the structure chart of the EPG more new systems in one embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Fig. 1 is the flow chart of the EPG update methods in one embodiment.As shown in figure 1, the EPG update methods are included such as
Lower step:
S10:When EIT table versions change, the redaction of the EIT tables changed according to version determines corresponding hair
The raw channel updated and EPG events.
Each channel EPG list of things are by multiple EIT (Event Information Table, i.e. event information
Table) table transmits.When EPG event updates, the version of one or more EIT table changes, the EIT tables changed
New EPG events will be transmitted.In this embodiment, when EIT table versions change, the EIT tables changed are received, and
According to the information carried in the EIT tables changed, the frequency that the generation EPG corresponding to the EIT tables changed updates is determined
Road and EPG events.
In further embodiment, step S10 is specially:Obtained in the gauge outfit of the EIT tables changed by version
Original network identification, transport stream identification and program identification are taken, for determining unique corresponding channel;Changed again by version
Table mark, version number and table serial number information are obtained in the gauge outfit of EIT tables, for the EPG events for determining to update.Pass through hair
The various information carried in the gauge outfit of the EIT tables for changing, so can accurately uniquely determine occur EGP update channel and
Event.
S20:The EPG things that the legacy version of the EIT tables changed in the EPG list of things of correspondence channel by this is transmitted
Part is deleted, and the EPG events of the EIT tables redaction transmission changed are inserted into the EPG of correspondence channel sequentially in time
In list of thing, new EPG list of things are formed.
, it is necessary to by new EPG events after the EIT tables by changing determine to occur the channel that EGP updates and event
In the EPG list of things for updating corresponding channel, the renewal to EGP is completed.In this embodiment, only by correspondence channel
The EPG events that the legacy version of the EIT tables changed in EPG list of things by this is transmitted are deleted, the EIT that this is changed
The EPG events of table redaction transmission are inserted into the EPG list of things of correspondence channel sequentially in time, form new EPG things
Part list, is only updated to occurring EPG events, rather than all EPG list of things are all deleted, so as to avoid EPG things
The problem of part list display is not complete.
Further, step S20 is specially:The EPG list of things of traversal correspondence channel, if finding the table of EPG events
When the table for identifying the EIT gauge outfits changed from version identifies identical and different version, then judge whether table sequence number is sent out with version
The table sequence number of the EIT gauge outfits for changing is consistent, deletes the EPG events if consistent, does not otherwise delete.By comparing, by EIT
The EPG events of table legacy version transmission are deleted, and the replacement for completing EPG events updates.
S30:The first buffer area and the second buffer area are created, the first buffer area is used for EPG event columns new in cache
Table, the second buffer area caches old EPG list of things.
To avoid multiple EIT tables from updating the situation of multiple brush screen, after renewal of the EIT tables to EPG events is completed, do not stand
Carry out brush screen to show, but create two buffering areas, be respectively used to EPG list of things new after buffer update and old
EPG list of things, the EPG list of things distribution of new and old two versions is first cached, wherein, the first buffer area is used for continuous
New EPG list of things after being updated in cache, the second buffer area is responsible for display, and caching is old EPG list of things, i.e.,
The current EPG list of things not updated.
S40:EPG list of things in first buffer area are contrasted with EPG list of things old in the second buffer area, such as
Really the EPG events in the first buffer area are had any different with the EPG events in the second buffer area, then with the EPG in the first buffer area
Event replaces the EPG events in the second buffer area.
Due to EPG list of things and update, then newest EPG list of things must be shown to user, while again
Avoiding frequent brush screen from being shown to user makes troubles.In the embodiment, to the EPG list of things in two buffer areas one by one first
Contrasted, contrast distinguishing EPG events, that is, contrast the EPG events updated, then will be new in the first buffer area
EPG events replace EPG events old in the second buffer area, complete the renewal of EPG list of things old to the second buffer area.
S50:After all EPG events in having contrasted the first buffer area and the second buffer area, refresh display interface, by second
EPG list of things are shown in buffer area.
By after all EPG events have been contrasted in the first buffer area and the second buffer area, that is, complete to the second buffer area EPG
After list of thing updates, then carry out refreshing display interface, it is only necessary to refresh display once, EPG events after entirely updating
List for user is shown, the inconvenience that user's viewing is caused is shown to so as to avoid repeatedly frequently refreshing.
The EPG update methods, the EPG event updates that the EIT tables that only version changes are transmitted replace channel EPG
The EPG events that legacy version is transmitted in list of thing, while creating the EPG event columns of new and old two versions of two buffer caches
Table, refreshes display interface again after buffer area completes to update to old EPG list of things, rather than by all EPG list of things
All delete, whole EIT tables are received again and are updated, also not complete an EIT tables renewal and just refresh once, so as to avoid
The problem of EPG events are not complete is caused, will not be checked to user and bring very big inconvenience, while avoiding interface occurs frequent brush screen
Situation, EPG event informations are watched beneficial to user.
In addition, the present invention also provides a kind of EPG more new systems, as shown in Fig. 2 the system includes:
Update determining unit 100, when EIT table versions change, the redaction of the EIT tables changed according to version
Determine the corresponding channel updated and EPG events.
Each channel EPG list of things are by multiple EIT (Event Information Table, i.e. event information
Table) table transmits.When EPG event updates, the version of one or more EIT table changes, the EIT tables changed
New EPG events will be transmitted.In this embodiment, when EIT table versions change, update determining unit 100 and receive generation
The EIT tables of change, and according to the information carried in the EIT tables changed, determine corresponding to the EIT tables changed
Occur channel and EPG events that EPG updates.
In further embodiment, update in the gauge outfit for the EIT tables that determining unit 100 is changed by version and obtain
Original network identification, transport stream identification and program identification, it is determined that unique corresponding channel;The EIT tables changed again by version
Gauge outfit in obtain table mark, version number and table serial number information, it is determined that the EPG events updated.Update determining unit 100
The various information carried in gauge outfit by the EIT tables changed, and then accurately can uniquely determine occur what EGP updated
Channel and event.
Event update unit 200, by correspondence channel EPG list of things in by the EIT tables changed legacy version
The EPG events transmitted are deleted, and the EPG events of the EIT tables redaction transmission changed are inserted into sequentially in time
In the EPG list of things of correspondence channel, new EPG list of things are formed.
After the EIT tables by changing determine to occur the channel and event of EGP renewals, event update unit 200 is needed
By in the EPG list of things of new EPG event updates to corresponding channel, the renewal to EGP is completed.In this embodiment,
What event update unit 200 was only transmitted the legacy version of the EIT tables changed in the EPG list of things of correspondence channel by this
EPG events are deleted, and the EPG events of the EIT tables redaction transmission changed are inserted into correspondence channel sequentially in time
EPG list of things in, form new EPG list of things, be only updated to occurring EPG events, rather than by all EPG things
Part list is all deleted, so as to avoid the problem of EPG events show incomplete.
Further, the EPG list of things of the traversal of event update unit 200 correspondence channel, if finding the table mark of EPG events
When the table for knowing the EIT gauge outfits changed from version identifies identical and different version, then judge whether table sequence number occurs with version
The table sequence number of the EIT gauge outfits of change is consistent, deletes the EPG events if consistent, does not otherwise delete.By comparing, event is more
The EPG events that EIT tables legacy version is transmitted are deleted and replaced by new unit 200, and the replacement for completing EPG events updates.
Creating unit 300 is cached, the first buffer area and the second buffer area is created, the first buffer area is used for new in cache
EPG list of things, the second buffer area caches old EPG list of things.
To avoid multiple EIT tables from updating the situation of multiple brush screen, after renewal of the EIT tables to EPG events is completed, do not stand
Carry out brush screen to show, but two buffering areas are first created by caching creating unit 300, be respectively used to after buffer update newly
EPG list of things and old EPG list of things, the EPG list of things distribution of new and old two versions is first cached, its
In, the first buffer area is used for EPG list of things new after being updated in continuous cache, and the second buffer area is responsible for display, caches
Be old EPG list of things, i.e., the current EPG list of things not updated.
Buffer update unit 400, by EPG event columns old in EPG list of things in the first buffer area and the second buffer area
Table is contrasted, if the EPG events in the first buffer area are had any different with the EPG events in the second buffer area, slow with first
Deposit the EPG events in the EPG events the second buffer area of replacement in area.
Due to EPG list of things and update, then newest EPG list of things must be shown to user, while again
Avoiding frequent brush screen from being shown to user makes troubles.In the embodiment, buffer update unit 400 is first in two buffer areas
EPG list of things are contrasted one by one, contrast distinguishing EPG events, that is, contrast the EPG events updated, then
EPG events new in first buffer area are replaced to EPG events old in the second buffer area, EPG old to the second buffer area is completed
The renewal of list of thing.
List display unit 500, after all EPG events in having contrasted the first buffer area and the second buffer area, refreshes aobvious
Show interface, EPG list of things in the second buffer area are shown.
By after all EPG events have been contrasted in the first buffer area and the second buffer area, that is, complete to the second buffer area EPG
After list of thing updates, list display unit 500 carries out refreshing display interface again, it is only necessary to refresh display once, will be whole
EPG list of things are shown to user after individual renewal, are shown to what user's viewing was caused so as to avoid repeatedly frequently refreshing
Inconvenience.
The EPG more new systems, the EPG event updates that the EIT tables that only version changes are transmitted replace channel EPG
The EPG events that legacy version is transmitted in list of thing, while creating the EPG event columns of new and old two versions of two buffer caches
Table, refreshes display interface again after buffer area completes to update to old EPG list of things, rather than by all EPG list of things
All delete, whole EIT tables are received again and are updated, also not complete an EIT tables renewal and just refresh once, so as to avoid
The problem of EPG events are not complete is caused, will not be checked to user and bring very big inconvenience, while avoiding interface occurs frequent brush screen
Situation, EPG event informations are watched beneficial to user.
EPG update methods and system of the present invention, the EPG event updates that the EIT tables that only version changes are transmitted are replaced
The EPG events that legacy version is transmitted in channel EPG list of things are changed, while creating new and old two versions of two buffer caches
EPG list of things, refresh display interface again after buffer area completes to update to old EPG list of things, rather than by all EPG
List of thing is all deleted, and whole EIT tables are received again and are updated, and is also not completed an EIT tables renewal and is just refreshed once,
So as to avoid causing the problem of EPG events are not complete, it will not be checked to user and bring very big inconvenience, while avoiding interface occurs frequency
The situation of numerous brush screen, EPG event informations are watched beneficial to user.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the scope of the protection.
Claims (6)
1. a kind of EPG update methods, it is characterised in that comprise the following steps:
S10:When EIT table versions change, receive the EIT tables that change, the EIT tables changed according to version it is new
Version determines the corresponding channel updated and EPG events;
S20:The EPG events that the legacy version of the EIT tables changed in the EPG list of things of correspondence channel by this is transmitted are deleted
Remove, the EPG events of the EIT tables redaction transmission changed are inserted into the EPG events of correspondence channel sequentially in time
In list, new EPG list of things are formed;
S30:The first buffer area and the second buffer area are created, the first buffer area is used for EPG list of things new in cache, the
Two buffer areas cache old EPG list of things;
S40:EPG list of things in first buffer area are contrasted with EPG list of things old in the second buffer area, if the
EPG events in one buffer area are had any different with the EPG events in the second buffer area, then with the EPG events in the first buffer area
Replace the EPG events in the second buffer area;
S50:After all EPG events in having contrasted the first buffer area and the second buffer area, refresh display interface, by the second caching
EPG list of things are shown in area.
2. EPG update methods according to claim 1, it is characterised in that the step S10 is specially:Occurred by version
Original network identification, transport stream identification and program identification are obtained in the gauge outfit of the EIT tables of change, for determining unique corresponding frequency
Road;Acquisition table mark, version number and table serial number information in the gauge outfit of the EIT tables changed again by version, for determining hair
The raw EPG events updated.
3. EPG update methods according to claim 1, it is characterised in that the step S20 is specially:Traversal correspondence frequency
The EPG list of things in road, if finding, the table of EPG events identifies and version identical with the table mark for the EIT gauge outfits that version changes
When this is different, then judge whether table sequence number is consistent with the table sequence number for the EIT gauge outfits that version changes, being deleted if consistent should
EPG events, are not otherwise deleted.
4. a kind of EPG more new systems, it is characterised in that including:
Determining unit is updated, when EIT table versions change, the EIT tables changed is received, is changed according to version
The redaction of EIT tables determines the corresponding channel updated and EPG events;
Event update unit, the legacy version of the EIT tables changed in the EPG list of things of correspondence channel by this is transmitted
EPG events are deleted, and the EPG events of the EIT tables redaction transmission changed are inserted into correspondence channel sequentially in time
EPG list of things in, form new EPG list of things;
Creating unit is cached, the first buffer area and the second buffer area is created, the first buffer area is used for EPG things new in cache
Part list, the second buffer area caches old EPG list of things;
Buffer update unit, by EPG list of things progress pair old in EPG list of things in the first buffer area and the second buffer area
Than if the EPG events in the first buffer area are had any different with the EPG events in the second buffer area, with the first buffer area
The EPG events replace the EPG events in the second buffer area;
List display unit, after all EPG events in having contrasted the first buffer area and the second buffer area, refreshes display interface,
EPG list of things in second buffer area are shown.
5. EPG according to claim 4 more new systems, it is characterised in that the renewal determining unit is become by version
Original network identification, transport stream identification and program identification are obtained in the gauge outfit of the EIT tables of change, it is determined that unique corresponding channel;Again
Acquisition table mark, version number and table serial number information in the gauge outfit of the EIT tables changed by version, it is determined that update
EPG events.
6. EPG according to claim 4 more new systems, it is characterised in that the event update unit traversal correspondence channel
EPG list of things, if find EPG events table identify and version identical with the table mark for the EIT gauge outfits that version changes
When different, then judge whether table sequence number is consistent with the table sequence number for the EIT gauge outfits that version changes, being deleted if consistent should
EPG events, are not otherwise deleted.
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CN105451078B (en) * | 2014-07-25 | 2019-05-03 | 国家广播电影电视总局广播电视卫星直播管理中心 | The update method and device of EPG interface |
CN106060598A (en) * | 2016-07-18 | 2016-10-26 | 青岛海信传媒网络技术有限公司 | Electronic program guide (EPG) information generating method and device |
CN107172495B (en) * | 2017-04-26 | 2020-01-31 | 青岛海信电器股份有限公司 | View generation method for Electronic Program Guide (EPG) and smart television |
CN107484027A (en) * | 2017-07-11 | 2017-12-15 | 青岛海信电器股份有限公司 | A kind of channel list update method and terminal device |
CN109408159A (en) * | 2017-08-14 | 2019-03-01 | 阿里巴巴集团控股有限公司 | Interface message is shown and processing method, device and electronic equipment |
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