[mythtv-commits] Ticket #7978: Seektable built during recording is broken; fixed by rebuilding seektable

[MythTV]

#7978: Seektable built during recording is broken; fixed by rebuilding seektable
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 Reporter:  Ian Macdonald <ian@…>                                             |           Owner:  beirdo    
     Type:  defect                                                            |          Status:  assigned  
 Priority:  minor                                                             |       Milestone:  unknown   
Component:  MythTV - General                                                  |         Version:  Trunk Head
 Severity:  low                                                               |      Resolution:            
 Keywords:  recordedseek pvr-350 ivtv hauppauge duration length mythcommflag  |   Ticket locked:  1         
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Comment (by beirdo):

 (In [26839]) Prevent HandleKeyframe from attempting to put negative file
 offsets into the
 position map (and thus the recordedseek table in the db) as they get
 crammed
 into unsigned 64-bit numbers, giving extremely large offset values, which
 are
 incorrect.

 Also, keep FindPSKeyFrame from trying to put in negative offsets.  The
 value of
 (bufstart - bufptr) is always <= 0.  The desired offset within the buffer
 is
 actually (bufptr - bufstart).

 The combination of these two was found while investigating borked
 seektables
 on MPEG2-PS recordings.

 Refs #7978

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Ticket URL: <http://svn.mythtv.org/trac/ticket/7978#comment:19>
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