[mythtv-users] MythTV Hauppauge PVR-150 Recordings fromComposite are destorted

[Tony Baca]

I had a similar problem.  These links  helped:
http://www.gossamer-threads.com/lists/engine?post=28703;page=2;list=ivtv#29537
http://mysettopbox.tv/phpBB2/viewtopic.php?t=16594

I ended up putting the following in my channel changing script:

sleep 3

 /usr/local/bin/v4l2-ctl --set-audio-input 1 -d /dev/video1  >/dev/null

 This is for S-Video, you may need to change the video device for composite



On 11/4/07, Lorenzo Mueller <lorenzo.mueller at mail2web.com> wrote:
>
> Hi,
>
> Thx for your input, but it still does not work.
>
> As I have a new version of ivtv, the ivtvctl-command with your parameters
> does not work.
> I used instead:
> v4l2-ctl -a 0  and
> v4l2-ctl -a 1  and
> v4l2-ctl -a 2
>
> With input 0 i got the sound of the tuner.
> With input 1 i got the distorted sound of the composite-input
> With input 2 i heard nothing.
>
> I do not know if it is "distorted". It sounds like when I would record
> this with 11 kHz or so...
>
> when I did:
>
> cat /dev/video0 > test.mpg
>
> The sound of the composite-input is OK. So I assume that it is something
> mythtv-related (Maybe a setting or so...)
>
> Hope go hear from someone a new "hint" or workaround or so...
>
> Thx in advance
>
> Cheers
>
> ________________________________
>
> Von: mythtv-users-bounces at mythtv.org im Auftrag von Cool Frood
> Gesendet: Sa 03.11.2007 14:39
> An: Discussion about mythtv
> Betreff: Re: [mythtv-users] MythTV Hauppauge PVR-150 Recordings
> fromComposite are destorted
>
>
>
> On 11/2/07, Lorenzo Mueller <lorenzo.mueller at mail2web.com> wrote:
> >
> >
> > Hi all,
> >
> > I have a Hauppauge PVR-150. When I record from the build-in tuner,
> > everything works fine.
> > I have problems when I want to record shows from the composite-input.
> The
> > video is fine, but the sound is distorted and sounds really strange.
> >
> > It is very serious that when I watch LIVE-TV from the Composite, the
> sound
> > is OK. Also when I record from LIVE-TV (Press "r") the sound is OK. It
> is
> > only when I make a scheduled record.
> >
> > Maybe someone could help me, because I cannot explain why the sound is
> only
> > destorted from the composite-input at scheduled records.
> >
> > Thx in advance
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> I had this problem too back when I was using the composite input from
> my cable box.  Now I don't have a cable box anymore and I'm using the
> tuner on the PVR-150 so I don't have this issue any more.  I came
> across this hack when I was trying to deal with the problem:
>
> #!/bin/sh
> # Some variables used to remember if the device is in use or not
> record_video0=NO
> # Loop forever
> while true
> do
>    # Is the video device in use ?
>    fuser /dev/video0 2>/dev/null >/dev/null
>    if [ $? -eq 0 ]
>    then
>       # Something is using video device and this is the first time
> we notice this
>       if [ "$record_video0" = "NO" ]
>       then
>          date
>          echo "   recording on video0"
>          sleep 5
>          /usr/local/bin/ivtvctl -d /dev/video0 -q 0
>          echo
>       fi
>       record_video0=YES
>    else
>       # Not recording
>       if [ "$record_video0" = "YES" ]
>       then
>          date
>          echo "   not recording anymore on video0"
>          echo
>       fi
>       record_video0=NO
>    fi
>    sleep 1
> done
>
> I put this in a script called sound_fixer and started this in my
> .xinitrc (or .xserverrc, I forget).  You might have to play with the
> "-q" value in the ivtvctl command to figure out which one works for
> you.
>
> Hope this helps,
> Akshat
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>
>
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>
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