[mythtv-commits] Ticket #9256: Corrupted preview pics for MPEG2-TS and MPEG2-PS

MythTV mythtv at cvs.mythtv.org
Thu Nov 25 00:25:39 UTC 2010

#9256: Corrupted preview pics for MPEG2-TS and MPEG2-PS
 Reporter:  beirdo            |           Owner:  beirdo    
     Type:  Bug Report        |          Status:  assigned  
 Priority:  minor             |       Milestone:  0.24.1    
Component:  MythTV - General  |         Version:  Trunk Head
 Severity:  low               |      Resolution:            
 Keywords:                    |   Ticket locked:  0         

Comment (by beirdo):

 (In [27338]) Fix the in-recording seektable for MPEG2-TS.  Also, make the
 seektable for MPEG2-PS better, although not yet quite correct.  In
 the file offsets are consistently earlier than they should be, but at
 this makes the previews functional.

 The original issue seemed to be that we were recording the offest AFTER
 packet in question, rather than the offset at the beginning of the packet.
 MPEG2-TS, due to the packetizing of the stream, it's easy to backtrack to
 beginning of the previous packet, but in MPEG2-PS, the frames are all of
 differing sizes, and I haven't quite got it tweaked right yet.

 Refs #9256

Ticket URL: <http://svn.mythtv.org/trac/ticket/9256#comment:6>
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