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List:       linux-video
Subject:    xawtv should mute during channel changes...
From:       Christoph Doerbeck A242369 <cdoerbec () cso ! fmr ! com>
Date:       1999-04-12 13:22:00


As a feature, I was wondering if anyone is interested in xawtv/bttv muting
the audio during channel changes.  The static-blast just prior to channel
locking is very irritating.  Has someone already implemented this?  Is there
any interest?  Will this break some other compatability issues?

I'd say that this would be a xawtv feature more that a bttv driver issue.
Someone may want the noise...



- Christoph



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List:       linux-video
Subject:    Re: xawtv should mute during channel changes...
From:       Gerd Knorr <kraxel () goldbach ! in-berlin ! de>
Date:       1999-04-12 17:48:09

On Mon, 12 Apr 1999 09:22:00 -0400, Christoph Doerbeck A242369 
<cdoerbec@cso.fmr.com> wrote:
> 
> As a feature, I was wondering if anyone is interested in xawtv/bttv muting
> the audio during channel changes.

The driver is supported to mute the sound while switching channels.  Look at
set_freq() in bttv.c.

Ehm, btw:  Why the kernel version of bttv has the "audio(btv, AUDIO_MUTE);"
removed?  bttv-0.6.3 has it, and it has been there for ages...

> The static-blast just prior to channel
> locking is very irritating.  Has someone already implemented this?

xawtv/main.c, set_channel().  Just enable the #if 0 code parts.  If you
are using the sound card to control the volume, it probably helps,
otherwise I expect it does'nt fix the problem.

  Gerd


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List:       linux-video
Subject:    Re: xawtv should mute during channel changes...
From:       Alan Cox <alan () cymru ! net>
Date:       1999-04-12 19:05:54

> The driver is supported to mute the sound while switching channels.  Look at
> set_freq() in bttv.c.
> 
> Ehm, btw:  Why the kernel version of bttv has the "audio(btv, AUDIO_MUTE);"
> removed?  bttv-0.6.3 has it, and it has been there for ages...

All the kernel ones have it removed. It makes life awkward for people 
who happen to want audio all the time or who are scannig channels. 

Policy is a user space item


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