[mythtv-commits] Ticket #1427: EIT signature cache

[MythTV]

#1427: EIT signature cache
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 Reporter:  stuarta  |       Owner:  danielk
     Type:  patch    |      Status:  new    
 Priority:  minor    |   Milestone:  0.20   
Component:  dvb      |     Version:  head   
 Severity:  medium   |  
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 Here is the EIT signature caching patch.

 This creates a signature for an event and keeps track
 of this signature and compares it against incoming EIT
 data.

 Events without a cached signature are added to the DB.
 Events with updated signature are added to the DB.
 Events that are unchanged are ignored.

 Event signatures are stored in a QMap, with 64 bits available
 for both key & signature.

 Currently the key is (transportid, serviceid, eventid)
 with the signature (tableid, version, chksum).

 Currently the chksum is unused, but can easily be added
 if necessary.

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Ticket URL: <http://svn.mythtv.org/trac/ticket/1427>
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