CN101072311A - Electronic service guide updating method and device for digital television broadcasting - Google Patents
Electronic service guide updating method and device for digital television broadcasting Download PDFInfo
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Abstract
The method includes following steps: S202, adding information for updating container to header of container of container file in electrical service guide (ESG), and adding information for updating subsection to header of subsection management; information for updating container includes type of container to be updated, and information for updating subsection includes type of subsection to be updated; S204, after triggering to upgrade ESG, the method parses header of container of container file; when information for updating container exists in the header of container, the method determines type for updating container; S206, based on type for updating container to carry out subsequent process. Advantages are: reducing consumption of memory resources for updating ESG in big degree, implementing updating subsection information of ESG effectively and rapidly.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of electronic service guide updating method and device that is used for digital television broadcasting.
Background technology
Along with the popularizing of mobile data services, the raising of handset capability and developing rapidly of digital television techniques and network, utilize smart mobile phone to watch the mobile phone TV services of TV to cause people's extensive concern with operating system and video capability.Because cellphone subscriber's popularity rate height and mobile phone have characteristics such as easy to carry, so mobile phone TV services have demonstrated than common TV influence power widely.Hand-held digital video broadcast (Digital VideoBroadcasting Handheld, abbreviation DVB-H) standard is a kind of ground digital television broadcast standard that makes a strong impact in the mobile TV standard, in many countries, especially American-European countries has obtained promotion and application energetically.
In DVB-H, electronic service guidebooks (Electronic Service Guide, be called for short ESG) comprises the information of current available service, and by these information, the user can select own interested service and can find on the own mobile phone canned data.
ESG upgrades and can allow the user in time obtain up-to-date information on services, is the pith during the ESG function realizes.
In DVB-H, an ESG entity (ESGEntry) information comprises several container files (Container), and each container file comprises the ESG segmentation (Fragment) of several carryings ESG programme information, channel information, paying information, temporal information etc., and their structural relation schematic diagram as shown in Figure 1.
For the realization that ESG upgrades, do not carry out too much explanation among the DVB-H.At present, the main foundation of upgrading for ESG in DVB-H is container file sign (ID) and the version number among the ESG.
Therefore, in DVB-H, to realize the following process of the general needs of renewal of ESG information:
At first, Container ID and the version number that reports according to transport layer travels through all containers in the ESG entity structure.By comparison, confirm container belongs to which kind of updating type (container increase, container change, container no change) to Container ID and version number.The secondary traversal can confirm that with respect to previous container file, which container file is with deleted.
Then, the container file that container is changed (comprising that container increases) is resolved, and travels through in all segmentations under this container file according to segmentation ID after the container analysis and version number.By comparison, confirm segmentation belongs to which kind of updating type (segmentation increase, segmentation change, segmentation no change) to segmentation ID and version number.
After segmentation relatively finishes, need travel through a segmentation under this container again, confirm whether to have the situation of segmentation deletion.At last, in ESG sectional management tables of data (as the content segmentation table, buy segmentation table, obtain segmentation table etc.), upgrade operation according to the updating type of segmentation accordingly again.
As seen, realize the renewal of ESG information, need to preserve the segmentation tabulation below container file tabulation and each container file, and segment data number generally all a lot (usually all at 100 more than the segmentation), so just need the bigger mobile phone EMS memory resource of quantity consumed; In order to determine the updating type of segmentation, segmentation tabulation below container file tabulation of needs traversal and the corresponding container file, particularly to container file deletion and segmentation deletion type, generally all need to carry out twice traversal, so need to consume the running time of mobile phone, the performance of mobile phone is had certain influence.Consider memory source consumption and time loss to mobile phone, all there is certain drawback in the realization that ESG is upgraded at present.
This shows, need a kind of new electronic service guide updating method that is used for digital television broadcasting or device.
Summary of the invention
In view of above-mentioned one or more problems, the present invention proposes a kind of electronic service guide updating method and device that is used for digital television broadcasting, the memory source when upgrading to reduce ESG expends, thereby realizes the renewal to the ESG segment information effective, fastly.
According to an aspect of the present invention, provide a kind of electronic service guide updating method that is used for digital television broadcasting.This method may further comprise the steps: S202, in the vessel head of the container file of electronic service guidebooks, add the container lastest imformation and in the sectional management information header, add the segmentation lastest imformation, wherein, the container lastest imformation comprises the container updating type, and the segmentation lastest imformation comprises the segmentation updating type; S204 after triggering the renewal electronic service guidebooks, resolves the vessel head of container file, exists in vessel head under the situation of container lastest imformation, judges the container updating type; And S206, carry out subsequent treatment according to the container updating type.
Wherein, the container updating type comprises following at least a: container file does not have change, container file increase, container file deletion, container file change.
Wherein, be under the unaltered situation of container file at the container updating type, do not carry out any processing; At the container updating type is under the situation of container file deletion, reads waiting of listing in the container lastest imformation and deletes segment information and delete corresponding segments information; And be that the segmentation updating type of resolving in the sectional management information header also carries out respective handling under the container file situation that increases or change at the container updating type.
Wherein, be under the unaltered situation of segmentation at the segmentation updating type, do not carry out any processing; At the segmentation updating type is under the situation of segmentation deletion, reads segmentation deletion tabulation and deletion corresponding segments in the segmentation lastest imformation; And be under segmentation increase or the segmentation situation about changing at Segment type, increase or change the sectional management tables of data.Under the situation that changes segmentation, the segmentation that deletion earlier needs to change increases segmentation again.
According to a further aspect in the invention, provide a kind of electronic service guidebooks updating device that is used for digital television broadcasting.This device comprises: the lastest imformation adding device, be used for adding the container lastest imformation and in the sectional management information header, adding the segmentation lastest imformation at the vessel head of the container file of electronic service guidebooks, wherein, the container lastest imformation comprises the container updating type, and the segmentation lastest imformation comprises the segmentation updating type; The lastest imformation resolution unit is used for resolving the vessel head of container file after triggering the renewal electronic service guidebooks, exists in vessel head under the situation of container lastest imformation, judges the container updating type; And updating block, be used for upgrading processing according to the container updating type.
Wherein, the container updating type comprises following at least a: container file does not have change, container file increase, container file deletion, container file change.
Wherein, be under the unaltered situation of container file at the container updating type, do not carry out any processing; At the container updating type is under the situation of container file deletion, reads waiting of listing in the container lastest imformation and deletes segment information and delete corresponding segments information; And be that the segmentation updating type of resolving in the sectional management information header also carries out respective handling under the container file situation that increases or change at the container updating type.
Wherein, be under the unaltered situation of segmentation at the segmentation updating type, do not carry out any processing; At the segmentation updating type is under the situation of segmentation deletion, reads segmentation deletion tabulation and deletion corresponding segments in the segmentation lastest imformation; And be under segmentation increase or the segmentation situation about changing at the segmentation updating type, increase or change the sectional management tables of data.Under the situation that segmentation changes, the segmentation that updating block deletion earlier needs to change increases segmentation again.
By the present invention, the memory source in the time of can reducing the ESG renewal largely expends, thereby can realize the renewal to the ESG segment information effective, fastly.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is ESG entity, the container file among the DVB-H, the schematic diagram of segment information structural relation;
Fig. 2 is the flow chart that is used for the electronic service guide updating method embodiment of digital television broadcasting according to an embodiment of the invention;
Fig. 3 is the flow chart of another embodiment that is used for the electronic service guide updating method of digital television broadcasting according to an embodiment of the invention;
Fig. 4 A is the container file structural table among the DVB-H according to an embodiment of the invention;
Fig. 4 B is vessel head structure type and structure I D implication table according to an embodiment of the invention;
Fig. 5 A is that container upgrades the indication information table according to an embodiment of the invention;
Fig. 5 B is a container updating type implication table according to an embodiment of the invention;
Fig. 6 A is a segment encapsulation structural table according to an embodiment of the invention;
Fig. 6 B is a segmentation updating type implication table according to an embodiment of the invention;
Fig. 6 C is the segment encapsulation reference list in the segment encapsulation entity according to an embodiment of the invention; And
Fig. 7 is the block diagram that is used for the electronic service guidebooks updating device of digital television broadcasting according to an embodiment of the invention.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
Fig. 2 shows the flow chart that is used for the electronic service guide updating method embodiment of digital television broadcasting according to of the present invention.As shown in Figure 2, the electronic service guide updating method that is used for digital television broadcasting according to the present invention may further comprise the steps: S202, in the vessel head of the container file of electronic service guidebooks, add the container lastest imformation and in the sectional management information header, add the segmentation lastest imformation, wherein, the container lastest imformation comprises the container updating type, and the segmentation lastest imformation comprises the segmentation updating type; S204 after triggering the renewal electronic service guidebooks, resolves the vessel head of container file, exists in vessel head under the situation of container lastest imformation, judges the container updating type; And S206, carry out subsequent treatment according to the container updating type.
Wherein, the container updating type comprises following at least a: container file does not have change, container file increase, container file deletion, container file change.
Wherein, be under the unaltered situation of container file at the container updating type, do not carry out any processing; At the container updating type is under the situation of container file deletion, reads waiting of listing in the container lastest imformation and deletes segment information and delete corresponding segments information; And be under the situation that container file increases or container file changes at the container updating type, the segmentation updating type of resolving in the sectional management information header also carries out respective handling.
Wherein, be under the unaltered situation of segmentation at the segmentation updating type, do not carry out any processing; At the segmentation updating type is under the situation of segmentation deletion, reads segmentation deletion tabulation and deletion corresponding segments in the segmentation lastest imformation; And be under segmentation increase or the segmentation situation about changing at the segmentation updating type, in the sectional management tables of data, increase or change operation accordingly.Under the situation that segmentation changes, the operation that segmentation increases is carried out in the segmentation that deletion earlier needs to change from the sectional management tables of data again.
With reference to figure 3 to Fig. 6 C, the flow process according to another embodiment of the electronic service guide updating method that is used for digital television broadcasting of the present invention is described.As shown in Figure 3, the electronic service guide updating method that is used for digital television broadcasting specifically may further comprise the steps:
S302, ESG receives the container file that transport layer reports.
S304 carries out vessel head and resolves.Network side is for not belonging to the container file that ESG upgrades, not carrying Structure_type in the vessel head structure is that 0x06 and structure_id are the container renewal indication of 0x00, simultaneously the segment encapsulation updating type (fragment_update_type) in the segment encapsulation structure head is set to increase type (value is 0x01).For the container file that ESG upgrades, judge, be provided with the container file updating type according to following condition:
(container file ID equates ﹠amp to If; ﹠amp; The container file version is identical)
The container file updating type is a no change;
(container file ID equates ﹠amp to If; ﹠amp; The container file version is inequality)
The container file updating type for a change;
If (container file ID Bu Xiangdeng ﹠amp; ﹠amp; The container file version is inequality)
The container file updating type is for increasing;
If (container file deletion)
The container file updating type is deletion; The segment information of deleting in the container is set according to Fig. 6 A.
Judge, be provided with the segment encapsulation updating type according to following condition:
(segment encapsulation ID equates ﹠amp to If; ﹠amp; The segment encapsulation version is identical)
The segment encapsulation updating type is a no change;
(segment encapsulation ID equates ﹠amp to If; ﹠amp; The segment encapsulation version is inequality)
The segment encapsulation updating type for a change;
If (segment encapsulation ID Bu Xiangdeng ﹠amp; ﹠amp; Segment encapsulation is inequality)
The segment encapsulation updating type is for increasing;
If (segment encapsulation deletion)
The segment encapsulation updating type is deletion.
S306 reads the container updating type.When upgrade triggering (comprise automatically and manually and upgrading) at ESG, ESG receives the container file that CDP reports and resolves.Resolving Structure_type is that 0x06 and structure_id are the container renewal indication of 0x00.Upgrade pointer offset amount in the indication (structure_ptr[j]) according to the ESG container and read container updating type (container_update_type) with respect to current container initial address.If container updating type (container_update_type) does not change for having, then directly return, do not carry out any processing.
S308-S310, if container updating type (container_update_type) is the container file deletion, then list information is deleted in the segmentation of reading thereafter according to Fig. 5 A, Fig. 6 A, Fig. 6 C, in ESG sectional management tables of data (, obtaining segmentation table etc.), carry out corresponding deletion action as content segmentation table, purchase segmentation table.If container updating type (container_update_type) increases for container file or container file is revised, then carry out the parsing of sectional management information.
S312 resolves sectional management information.
S314 shown in Fig. 6 A, at first reads the segmentation updating type (fragment_update_type) in the segment encapsulation information header.If the segmentation updating type (fragment_update_type) in the segment encapsulation information header does not change for having, then this situation belongs to container file and changes, but not all segmentation all changes this situation, does not carry out any processing, directly returns and handles next segmentation.
S316-S318, if the segmentation updating type (fragment_update_type) in the segment encapsulation information header is deletion, then, read segmentation deletion list information thereafter, in ESG sectional management tables of data, carry out corresponding deletion action according to shown in Fig. 6 A, Fig. 6 C.
S320-S322, if the segmentation updating type (fragment_update_type) in the segment encapsulation information header is for increasing or change type, shown in Fig. 6 A, Fig. 6 C, read segmentation list information thereafter, in ESG sectional management tables of data, increase or change operation (change for segmentation, can take first segmentation to delete the operating procedure that segmentation again increases) accordingly.
That is to say that ESG update method according to the present invention realizes by following steps:
Step 1: the ESG container file content among the DVB-H is replenished and perfect.Among the DVB-H, the ESG structure of container is shown in Fig. 4 A, and wherein, the effective value of Structure_type and structure_id and implication are shown in Fig. 4 B.Increasing Structure_type in vessel head is that 0x06 and structure_id are the container renewal indication of 0x00.The container lastest imformation is shown in Fig. 5 A, Fig. 5 B.Container updating type container_update_type comprises that container file no change, container file increase, container file is deleted, container file changes this several types.Directly on address, list the information of all segmentations to be deleted with respect to current container initial address skew (structure_ptr+1) individual byte for container file deletion type.Use 3 bytes to be used as segmentation updating type (fragment_update_type) in original (reserved) 6 bytes that keep in the sectional management information header in Fig. 6 A; The segmentation updating type comprises as four kinds of updating types among Fig. 6 B.For the fragment_reference in the sectional management package implementation (encapsulation_entry) is segmentation when increasing (fragmentadd) or segmentation change (fragment_modify) at the updating type of segmentation only, and the side-play amount (esg_data_repository_offset) of segmentation in the ESG data warehousing just is provided.
Step 2: after the ESG information updating triggers, the vessel head of the container file that parsing is received, if having Structure_type is that 0x06 and structure_id are that the container of 0x00 upgrades indication, then upgrades the container that the pointer offset amount with respect to current container initial address in the indication (structure_ptr[j]) reads as Fig. 5 A and upgrade indication information according to the ESG container.If container updating type (container_update_type) does not change for having, directly return, do not carry out any processing; If updating type is the container file deletion, read segmentation deletion list information thereafter, carry out corresponding deletion action; Increase or the container file change if updating type is a container file, carry out the parsing of sectional management information, change step 3 over to.
Step 3: resolve sectional management information, read the segmentation updating type (fragment_update_type) in the segment encapsulation information header, for there not being the type of change, do not carry out any processing, directly return and handle next segmentation for the segmentation updating type; Be the deletion type for the segmentation updating type, read following segmentation deletion list information, carry out corresponding deletion action; Be increase or change type for the segmentation updating type, ESG sectional management tables of data (as the content segmentation table, buy segmentation table, obtain segmentation table etc.) in increase or change operation (change for segmentation, can take deletion segmentation earlier to increase the operating procedure of segmentation again) accordingly.
Wherein, in the step 1, ESG container file content among the DVB-H is replenished and improved and need carry out simultaneously at network side and mobile phone side, and promptly network side carries out the generation of transport stream according to the regulation after the step 1, and the mobile phone side is then carried out the parsing of container file according to the regulation after the step 1.
Fig. 7 shows the block diagram of the electronic service guidebooks updating device that is used for digital television broadcasting that is used to realize said method.As shown in Figure 7, this device comprises: lastest imformation adding device 702, be used for adding the container lastest imformation and in the sectional management information header, adding the segmentation lastest imformation at the vessel head of the container file of electronic service guidebooks, wherein, the container lastest imformation comprises the container updating type, and the segmentation lastest imformation comprises the segmentation updating type; Lastest imformation resolution unit 704 is used for resolving the vessel head of container file after triggering the renewal electronic service guidebooks, exists in vessel head under the situation of container lastest imformation, judges the container updating type; And updating block 706, be used for upgrading processing according to the container updating type.
Wherein, the container updating type comprises following at least a: container file does not have change, container file increase, container file deletion, container file change.
Wherein, be under the unaltered situation of container file at the container updating type, do not carry out any processing; At the container updating type is under the situation of container file deletion, reads waiting of listing in the container lastest imformation and deletes segment information and delete corresponding segments information; And be that the segmentation updating type of resolving in the sectional management information header also carries out respective handling under the container file situation about increasing at the container updating type.
Wherein, be under the unaltered situation of segmentation at the segmentation updating type, do not carry out any processing; At the segmentation updating type is under the situation of segmentation deletion, reads segmentation deletion tabulation and deletion corresponding segments in the segmentation lastest imformation; And be under segmentation increase or the segmentation situation about changing at Segment type, increase or change the sectional management tables of data.Under the situation that changes segmentation, the segmentation that updating block deletion earlier needs to change is increasing segmentation.
By the present invention, memory source and time resource in the time of can reducing the ESG renewal largely expend, thereby can realize the renewal to the ESG segment information effective, fastly.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an electronic service guide updating method that is used for digital television broadcasting is characterized in that, said method comprising the steps of:
S202, in the vessel head of the container file of electronic service guidebooks, add the container lastest imformation and in the sectional management information header, add the segmentation lastest imformation, wherein, described container lastest imformation comprises the container updating type, and described segmentation lastest imformation comprises the segmentation updating type;
S204 after triggering the renewal electronic service guidebooks, resolves the vessel head of described container file, exists in described vessel head under the situation of container lastest imformation, judges the container updating type; And
S206 carries out subsequent treatment according to described container updating type.
2. electronic service guide updating method according to claim 1 is characterized in that, described container updating type comprises following at least a: container file does not have change, container file increase, container file deletion, container file change.
3. electronic service guide updating method according to claim 2 is characterized in that:
At described container updating type is under the unaltered situation of container file, does not carry out any processing;
At described container updating type is under the situation of container file deletion, reads waiting of listing in the described container lastest imformation and deletes segment information and delete corresponding segments information; And
At described container updating type is under the situation of container file increase or change, resolves the segmentation updating type in the described sectional management information header and carries out respective handling.
4. electronic service guide updating method according to claim 3 is characterized in that:
At described segmentation updating type is under the unaltered situation of segmentation, does not carry out any processing;
At described segmentation updating type is under the situation of segmentation deletion, reads segmentation deletion tabulation and deletion corresponding segments in the described segmentation lastest imformation; And
At described Segment type is under the situation of segmentation increase or segmentation change, increases or change the sectional management tables of data.
5. electronic service guide updating method according to claim 4 is characterized in that, under the situation that changes described segmentation, the segmentation that deletion earlier needs to change increases segmentation again.
6. electronic service guidebooks updating device that is used for digital television broadcasting is characterized in that comprising:
The lastest imformation adding device, be used for adding the container lastest imformation and in the sectional management information header, adding the segmentation lastest imformation at the vessel head of the container file of electronic service guidebooks, wherein, described container lastest imformation comprises the container updating type, and described segmentation lastest imformation comprises the segmentation updating type;
The lastest imformation resolution unit is used for resolving the vessel head of described container file after triggering the renewal electronic service guidebooks, exists in described vessel head under the situation of container lastest imformation, judges the container updating type; And
Updating block is used for upgrading processing according to described container updating type.
7. electronic service guidebooks updating device according to claim 6 is characterized in that, described container updating type comprises following at least a: container file does not have change, container file increase, container file deletion, container file change.
8. electronic service guidebooks updating device according to claim 7 is characterized in that:
At described container updating type is under the unaltered situation of container file, does not carry out any processing;
At described container updating type is under the situation of container file deletion, reads waiting of listing in the described container lastest imformation and deletes segment information and delete corresponding segments information; And
At described container updating type is under the situation of container file increase or change, resolves the segmentation updating type in the described sectional management information header and carries out respective handling.
9. electronic service guidebooks updating device according to claim 8 is characterized in that:
At described segmentation updating type is under the unaltered situation of segmentation, does not carry out any processing;
At described segmentation updating type is under the situation of segmentation deletion, reads segmentation deletion tabulation and deletion corresponding segments in the described segmentation lastest imformation; And
At described Segment type is under the situation of segmentation increase or segmentation change, increases or change operation in the sectional management tables of data accordingly.
10. electronic service guidebooks updating device according to claim 4 is characterized in that, under the situation that changes described segmentation, the segmentation that the deletion earlier of described updating block needs to change increases segmentation again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101115568A CN101072311B (en) | 2007-03-02 | 2007-06-19 | Electronic service guide updating method and device for digital television broadcasting |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710080066 | 2007-03-02 | ||
| CN200710080066.6 | 2007-03-02 | ||
| CN2007101115568A CN101072311B (en) | 2007-03-02 | 2007-06-19 | Electronic service guide updating method and device for digital television broadcasting |
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| Publication Number | Publication Date |
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| CN101072311A true CN101072311A (en) | 2007-11-14 |
| CN101072311B CN101072311B (en) | 2010-06-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107211187A (en) * | 2015-01-20 | 2017-09-26 | 夏普株式会社 | Service guide is encapsulated |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2396444A (en) * | 2002-12-18 | 2004-06-23 | Nokia Corp | A Method of Announcing Sessions |
| GB2407745A (en) * | 2003-10-28 | 2005-05-04 | Nokia Corp | Method of providing an electronic service guide in a datacasting system |
| US7827579B2 (en) * | 2004-09-09 | 2010-11-02 | Nokia Corporation | Mobile television electronic service guide delivery system |
| US20060123097A1 (en) * | 2004-12-02 | 2006-06-08 | Nokia Corporation | Enhanced electronic service guide container |
-
2007
- 2007-06-19 CN CN2007101115568A patent/CN101072311B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104202651B (en) * | 2014-08-27 | 2017-11-07 | 深圳市九洲电器有限公司 | A kind of EPG update methods and system |
| CN107211187A (en) * | 2015-01-20 | 2017-09-26 | 夏普株式会社 | Service guide is encapsulated |
| CN111385615A (en) * | 2015-01-20 | 2020-07-07 | 夏普株式会社 | Service guide packaging |
| CN111385615B (en) * | 2015-01-20 | 2022-03-08 | 夏普株式会社 | Service guide packaging |
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| CN101072311B (en) | 2010-06-02 |
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