[op25-dev] Audio Dies Pt2 and JSON meta tags????

Graham Norbury gnorbury at bondcar.com
Sat Feb 23 01:47:09 UTC 2019


This is not a unique problem especially with RPi3 and aloop/darkice.  My
recommended solution is to switch over to liquidsoap which avoids alsa and
aloop altogether.  Instructions can be found in the README-rpi3-liquidsoap
file in the top level op25 directory.

Graham

On Fri, Feb 22, 2019, 7:13 PM <op25 at zellners.com> wrote:

>
> As the next round of P25 PII systems take hold in my area... OP25 is
> the goto solution... but...
>
> Audio dying is not a good thing... to send out silence on feeds....
>
> Seems this is related to the metatag update when using -M tags.json
> option with rx.py...
>
> Whats frustrating is
>
> Pi3B+ with a cheapo junky asian dongle WORKS with -M tags.json and the
> audio goes on... .. I have another issue not related to that, which a
> commit fixes, just can't update to handle that right now...
>
> A DUAL CORE laptop with a junk asian dongle... the audio dies after awhile.
>
> SAME DUAL CORE laptop with a V3 Blog dongle... audio dies after awhile
>
> SAME DUAL CORE laptop with V3 blod dongle, REMOVE the -M option and
> the audio seems to be stable out to loop0!
>
>
> URRRGGRRRHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!
>
> The only thing I can seem to possibly pinpoint is my standard A1
> whipping or flogging boi,,, puslecrapdio! RURRRRRHHGHHH!
>
> The laptop has it the Pi3 doesn't....
>
> Any one else seeing similar ? ? ? ? ?
>
> Once I have a new image setup for my Pi feed boxes.. and if that works
> reliably great...it seems to on my existing feed, other issue not
> witstanding.....
>
> Jusy annoying that a laptop has these issues where as a Pi3B+ doesn't......
>
> I am grasping for answers here... and as I said... my standard A1
> whipping or flogging boi,,, puslecrapdio!  just gets my attention and
> foucs as the problem area.
>
> So to wrap up my screed and vent BS post.. .:) ;)
>
> Any seeing similar with xUbuntu's 18.04 or even other distros on
> lap/desktops v. Pi3B+???
>
> Welp... there goes my theory in the time it took to type this OP25 is
> now not playing audio out loop0 again, and no -M option was used....
> CC channel did rotate... (Harris nee M/A-COM system)??? So maybe CC
> rotation kills audio ? ? ?  ?
>
> Any one with ideas? ?  ? ? Bueller????
>
>
>
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