[mythtv-users] Signal strength now reporting 50% instead of 100%

[Paul Harrison]

On 09/05/2022 13:44, James Abernathy wrote:

>
>
> On Mon, May 9, 2022 at 8:33 AM James Abernathy <jfabernathy at gmail.com> 
> wrote:
>
>
>
>     On Mon, May 9, 2022 at 7:41 AM Paul Harrison <mythtv at mythqml.net>
>     wrote:
>
>         Could be this commit which changed the signal strength range
>         for DVBv5 :-
>
>         https://github.com/MythTV/mythtv/commit/5d76841b8c1878
>
>
>         You could  try starting the backend with --dvbv3 to see what
>         you get with the old DVB v3 API.
>
>
>         Like other have said if it not causing you any problems then I
>         wouldn't worry to much about it.
>
>
>         Paul H.
>
>     You are correct. Starting the mythtv-backend with --dvbv3 does
>     restore the signal strength to what I was seeing on v31.
>
>     So what I'm hearing is by default in v32 the signal strength is
>     based on dbm instead of %. Are there any problems using --dvbv3
>     instead of the default??
>
>     Jim A
>
>
> The problem I see with this new change in dvbv5 is the screen display 
> still says "%" after the number.  There is no way this makes sense to 
> me compared to other tuners. Now that I know I can follow it. but in a 
> system with a HDHomeRun tuner and a DVB tuner on the same antenna the 
> concept of one tuner at 100% and another at 50% is confusing.
>
> Jim A
>
>
Unfortunately you can't compare the signal levels from different devices 
like that they all report the signal levels differently. Even DVB cards 
from the same manufacturer can report signal levels differently.


Paul H.
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