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Date:      Tue, 7 Jun 2005 00:21:20 -0700
From:      Jacob Meuser <jakemsr@jakemsr.com>
To:        FreeBSD-multimedia@freebsd.org
Subject:   Re: debugging transcode
Message-ID:  <20050607072120.GG12558@puff.jakemsr.gom>
In-Reply-To: <20050606151657.122e0bd3.steve@sohara.org>
References:  <42A457A7.95A86273@fadesa.es> <20050606151657.122e0bd3.steve@sohara.org>

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On Mon, Jun 06, 2005 at 03:16:57PM +0100, Steve O'Hara-Smith wrote:
> On Mon, 06 Jun 2005 16:03:19 +0200
> "José M. Fandiño"  <freebsd@fadesa.es> wrote:
> 
> > Hello,
> > 
> >  I was trying to convert a nuppelvideo stream to a more usable format,
> > but transcode causes a segfault whith it. Running several tests it seems 
> > a problem with the audio processing of nuv files because "-x nuv,null"
> > works and "-x nuv" doesn't.
> 
> 	Try using mencoder (from the mplayer port) it can also handle
> nuppelvideo streams.

or maybe transcode's mplayer import module

$ transcode -i file.nuv -x mplayer,mplayer ...

> >  I was told by the transcode developers to get the cause of the segfault,
> > since I'm not a programmer it's a little hard to me debug this.
> > 
> > Until now I was able to get some stuff:
> 
> 	Pass what you have on to the transcode developers, few others
> will make sense of it.

they have seen it.

the crash _appears_ to happen in the thread library ...

transcode does have some thread issues.  and unfortunately, the current
tc developers are not pthread experts :(

now, if someone knows what happened here, with the threads, then
perhaps we can figure out the source of the problem in transcode ...

-- 
<jakemsr@jakemsr.com>



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