Re: Re: [K3b-user] autocrop crashes k3b

[* <af...@ya...>]

Hi, I sent (or tried to send) a reply to this last week from 
yahoo but it hasn't shown up yet.  
  
Anyway, thanks for the explanation.  I thought the cropping
was causing the problem but apparently it is something else
entirely.  The problem is that even though I select 700MB the
file size ends up being around 580MB.  Then when I try playing
in mplayer the AV sync quickly starts growing, and the audio
sounds fine but the video is playing too fast.  It's like it
was encoded at 24fps and playing at 30fps.

I didn't have any time last week to look into it, but the week
before that I tried multiple versions of k3b and transcode and
both xvid and divx5 codecs and it had no effect.  I've only
tried 3 dvds but it happens with all of them.  When I play the
vob file with mplayer the AV sync is fine.

Has anyone else seen this or is it something obvious?  Any
other variables I should test?  Thanks.


--- tfr...@k3... wrote:
> 
> Hi,
> 
> if you set a file size, the bitrate is fixed on that file size. It
> doesn't concern the image size.
> 
> Cropping and scale will result in a higher bitrate for each pixel, but
> the average bitrate of the whole movie depends on the file size. 
> 
> Cropping is used to get higher quality with the same bitrate.
> 
> Bye
> Thomas
> 
> * <af...@ya...> schrieb am 22.09.2003, 10:55:05:
> > Hi, I just noticed something else tonight- when I use manual crop the
> > bitrate is not affected.  I would expect it to go up, so I get a filesize
> close
> > to
> > my target filesize.  Possibly that is a bug as well?  Thanks.
> > 
> > --- tfr...@k3... wrote:
> > > 
> > > Hi,
> > > 
> > > its a bug. K3b doesn't care about the image size 720x480.
> > > Can you send me the image preview000000.ppm that k3b creates, that I can
> > >  do some tests.
> > > 
> > > Thomas
> > > 
> > > *  schrieb am 18.09.2003, 12:40:30:
> > > > Hello, first of all k3b is amazing, thanks for writing such a
> professional
> > > > program.  The only problem I've noticed is that when I click on
> > > "Automatically
> > > > crop" k3b crashes with the error:
> > > > 
> > > > (K3bDivxCrop::autoCrop) Image: 720x480
> > > > (K3bDivxPreview::setTopLine)
> > > > (K3bDivxResize::slotUpdateView)
> > > > (K3bDivxPreview::setTopLine)
> > > > (K3bDivxResize::slotUpdateView)
> > > > QImage::scanLine: Index 574 out of range
> > > > 
> > > > When I run the backtrace in krash:
> > > > 
> > > > (snip)
> > > > (no debugging symbols found)...(no debugging symbols found)...
> > > > (no debugging symbols found)...(no debugging symbols found)...
> > > > (no debugging symbols found)...[New Thread 16384 (LWP 15058)]
> > > > 0x417a9137 in waitpid ()
> > > >    from /lib/libpthread.so.0
> > > >    #0  0x417a9137 in waitpid () from /lib/libpthread.so.0
> > > > 
> > > > This happens with 0.8.1, 0.9 and cvs.  Does this happen to anyone else?
> 
> > > I'm
> > > > using Gentoo, which is currently at qt-3.1.2.  Thanks.
> > > > 
> > > > 
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> Thomas Froescher
> STZ object-IT
> Nord-West-Ring 34
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> Tel: (+49) 711 44080831
> mailto: tho...@ob...


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