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Date:      Wed, 23 Aug 2000 15:28:29 +0200
From:      Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
To:        Mike Meyer <mwm@mired.org>
Cc:        Andre Albsmeier <andre.albsmeier@mchp.siemens.de>, "Jason J. Horton" <jason@intercom.com>, multimedia@FreeBSD.ORG
Subject:   Re: fxtv and video capture
Message-ID:  <20000823152829.A33979@curry.mchp.siemens.de>
In-Reply-To: <14755.50996.515946.110558@guru.mired.org>; from mwm@mired.org on Wed, Aug 23, 2000 at 07:44:36AM -0500
References:  <Pine.BSF.4.21.0008162357510.18789-100000@kaon.intercom.com> <20000818120015.A16438@curry.mchp.siemens.de> <14755.50996.515946.110558@guru.mired.org>

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On Wed, 23-Aug-2000 at 07:44:36 -0500, Mike Meyer wrote:
> Andre Albsmeier writes:
> > On Thu, 17-Aug-2000 at 00:06:05 -0400, Jason J. Horton wrote:
> > > I am still having trouble getting fxtv to capture TV and
> > > convert it to MPEG audio and video. I set it to MPEG ready,
> > > capture a chunk of TV, then run the shell script that gets
> > > generated. The video part goes just fine, but converting the
> > > audio fails. Here is an example:
> > > 
> > > ======FRAMES READ:  2426
> > > ::STATUS:: 0
> > > ::EXEC:: rm /usr/local/video/pbs.param
> > > ::STATUS:: 0
> > > ::EXEC:: sox -t raw -s -w -c 2 -r 44100 /usr/local/video/pbs.AUDraw -t aiff /usr/local/video/pbs.aiff && mpeg_musicin -l 2 -p 1 /usr/local/video/pbs.aiff /usr/local/video/pbs.mp2 && rm /usr/local/video/pbs.aiff
> > > >>> Using Audio IFF sound file headers
> > > Sound data is not PCM in "/usr/local/video/pbs.aiff".
> > > ::STATUS:: 1
> > > 
> > > Command Failed:
> > >   sox -t raw -s -w -c 2 -r 44100 /usr/local/video/pbs.AUDraw -t aiff /usr/local/video/pbs.aiff && mpeg_musicin -l 2 -p 1 /usr/local/video/pbs.aiff /usr/local/video/pbs.mp2 && rm /usr/local/video/pbs.aiff
> > > Conversion Aborted.
> > > 
> > > Anyone have any ideas? Is there a better program tha sox for the
> > > conversion?
> > 
> > sox is okay. Look at
> 
> Sox did what it was told to do. The problem is that mpeg_musicin is a
> finicky consumer of aiff files. I change the intermediate format to
> WAV and it works fine:

Interesting. I had no problems with AIFF as soon as the format was
correct.

> 
> The following patch applied to /usr/X11R6/lib/X11/fxtv/fxtv_cnvt.sh
> fixes it:
> 
>     # Do we need an intermediate file?
>     if [ $mpeg_enc = YES ]; then
> -      out_soxfn="$out_fnbase.aiff"
> -      out_soxfmt="AIFF"
> +      out_soxfn="$out_fnbase.wav"
> +      out_soxfmt="WAV"
>     else
>        out_soxfn="$GAout_fn"
>        out_soxfmt="$out_fmt"
> 
> 
> > 	http://www.freebsd.org/cgi/query-pr.cgi?pr=20693
> > 
> > maybe that helps... At least it should get you into the right
> > direction...
> 
> Well, that's not why it's failing for me. I'm not using the SB AWE32;
> I can record 16-bit, 44,100 Khz stereo, and get the same results.
> 
> While I'm at it - has anyone managed to use the new pcm drivers to do
> serious audio work? Or should I give up and use Windows for this?
> 
> 	Thanx,
> 	<mike


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