[mythtv] SVN 8625 Firewire capture glitching while test-mpeg2 doesn't

Steve Adeff adeffs at gmail.com
Tue Jan 24 01:15:00 UTC 2006


On Monday 23 January 2006 19:09, Jim Westfall wrote:
> Steve Adeff <adeffs at gmail.com> wrote [01.23.06]:
> > > here's the log output from a crash, it occured while in edit mode:
> > >
> > > 2006-01-21 10:13:14.099 59520 bytes free on soundcard
> > > 2006-01-21 10:13:14.099 WriteAudio: Preparing 6144 bytes (1536 frames)
> > > 2006-01-21 10:13:14.107 54912 bytes free on soundcard
> > > 2006-01-21 10:13:14.115 56448 bytes free on soundcard
> > > 2006-01-21 10:13:14.126 58432 bytes free on soundcard
> > > 2006-01-21 10:13:14.126 NVP: ClearAfterSeek()
> > > 2006-01-21 10:13:14.126 VideoOutputXv: ClearAfterSeek()
> > > 2006-01-21 10:13:14.126 VideoBuffers::DiscardFrames(0):
> > > AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> > > 2006-01-21 10:13:14.126 VideoBuffers::DiscardFrames(0):
> > > AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -- done
> > > 2006-01-21 10:13:14.127 NVP: new commBreakIter = 4 @ frame 43142
> > > 2006-01-21 10:13:14.127 detectInterlace(Detect Scan, Interlaced Scan,
> > > 29.97, 480) ->Interlaced Scan
> > > 2006-01-21 10:13:14.127 Interlaced: Interlaced Scan  video_height: 480
> > > fps: 29.97
> > >
> > > the crashes seem to be related to deinterlacing except that I don't
> > > have deinterlacing turned on....
> >
> > could this be a 64bit kernel issue?
>
> http://www.mythtv.org/docs/mythtv-HOWTO-22.html#ss22.2
>
> jim

already put up a GDB backtrace in trac of playback, but am unsure as to how to 
go about it for mythbackend recording. should I just run

gdb mythbackend -x gdbcommands

start recording something via firewire? then when should I CTRL-C to create 
the backtrace?

-- 
Steve


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