[mythtv-users] myth 0.24 does not use second tuner in myth 0.24 does not use second tuner in HDHR

R KANNAN rk111810 at gmail.com
Mon Oct 10 13:22:22 UTC 2011

I have received a few replies on this topic which indicate that myth cannot
switch to second tuner in HDHR if the first one is used by another (windows)

I wish to point out that I have Myth 0.21.20080304-1 on another machine
which switches to the second tuner when I tried it at the same time. There
is something that makes it do that. Is there a way to set a preferred tuner
among two,

Date: Sun, 09 Oct 2011 16:36:27 -0400
From: Raymond Wagner <raymond at wagnerrp.com>
Subject: Re: [mythtv-users] myth 0.24 does not use second tuner in
To: Discussion about MythTV <mythtv-users at mythtv.org>
Message-ID: <4E9205CB.9040804 at wagnerrp.com
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 10/9/2011 16:27, R KANNAN wrote:
> I can watch all channels fine on tuner 0. But when the first tuner is
> used by another client (Windows) on the network, myth does not switch
> to tuner 1.

Correct.  MythTV expects it will have dedicated access and control to
any recording hardware it knows about.  If it does not have dedicated
control, then there is no possible way it can properly schedule
recordings, as the available tuner count would be arbitrarily changing.

> I have two input connections using the two tuners and the same video
> source. One thing I don't understand is the input  group 1 and 2 for
> both input connections.

Input groups are only to be used when you have multiple tuners defined
that use mutually exclusive resources.  An example of this would be
using both firewire and analog capture from a single set top box.

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