[mythtv-commits] Ticket #3710: mythfrontend segv during commercials

MythTV mythtv at cvs.mythtv.org
Thu Jul 12 05:26:27 UTC 2007

#3710: mythfrontend segv during commercials
 Reporter:  anonymous  |        Owner:  danielk
     Type:  defect     |       Status:  new    
 Priority:  minor      |    Milestone:  unknown
Component:  mythtv     |      Version:  head   
 Severity:  medium     |   Resolution:         
  Mlocked:  0          |  

Comment(by mythtv at goody.homelinux.net):

 Can confirm.
 Built with on 13870.
 Can provide core dump w/ debug symbols upon request. 15M bzipped
 Can provide example mpeg show for debug upon request.
 Using Motorola DCT6200 w/ firewire, no post transcoding.

 Problem seems to be that during commercial breaks, comcast (maybe other
 providers as well) have a portion of the break where they can air local
 commercials.    Using xine for playback and its info screen, I see the
 mpeg stream changes from a resolution of 704x480 to 528x480 for the local
 commerical.  Goes back to 704x480 when the show resumes.

 Under myth, it will segfault if I use commericial skip at this stream
 resolution change.   It will segfault if I use a 30 second jump ahead.  If
 I watch the commercials without skipping, mythfrontend dumps stdout info
 about losing video and audio frames and attempts 'skip' recover , it
 suceedes (with garbled video and audio during recovery) about 25% of the
 time, segfault the the rest of the time.

Ticket URL: <http://svn.mythtv.org/trac/ticket/3710#comment:2>
MythTV <http://svn.mythtv.org/trac>

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