Re: [LAU] Service/user not using PulseAudio

From: Iain Mott <mott@email-addr-hidden>
Date: Wed Apr 08 2020 - 16:14:37 EEST

no, a pulse config directory is created in /var/lib/asterisk/.config/

the entry for asterisk in /etc/passwd is:

asterisk:x:124:130:Asterisk PBX
daemon,,,:/var/lib/asterisk:/usr/sbin/nologin

Em 08/04/2020 08:49, Iain Mott escreveu:
> I suppose a likely cause for the problem is that the asterisk user has
> no ~.config/pulse directory. How can I get around that?
>
>
> Em 08/04/2020 08:38, Iain Mott escreveu:
>> Hi,
>>
>> Another Asterisk PBX related question. I have the Asterisk service
>> periodically sending System commands on the host machine when
>> particular phone extensions are called. The Asterisk service is run
>> by the user asterisk. I made asterisk a member of the 'audio' group
>> so that it can use 'aplay' with the System command. eg.
>>
>> System(aplay -c 1 -D pulse /home/iain/sounds/line1.wav)
>>
>> This plays OK but plays on the laptop's internal hardware rather via
>> PulseAudio. Jack is running and is configured to use an external USB
>> sound card and the PulseAudio Jack Sink.
>>
>> If I run the following as user iain, it plays correctly through the USB:
>>
>> aplay -c 1 -D pulse /home/iain/sounds/line1.wav
>>
>> However via the Aterisk service, or by running the command in a
>> console as asterisk, it plays through the internal speakers. eg.
>>
>> sudo -H -u asterisk bash -c 'aplay -c 1 -D pulse
>> /home/iain/sounds/line1.wav'
>>
>> I don't know if the "-D pulse" option is necessary, I'm trying lots
>> of things...
>>
>> As well as the audio group, I've tried adding asterisk to the pulse
>> and pulse-access groups, but it doesn't help (and yes, I logged out
>> and in again).
>>
>> If i run the last code given above with aplay in verbose mode (-vvv),
>> it throws the error:
>>
>> xcb_connection_has_error() returned true
>>
>> But this Is not error because adding "unset DISPLAY ; " to the start
>> of the command removes the error but it continues to play through the
>> external speakers. Here is the print for the command:
>>
>> iain@samsung:~$ sudo -H -u asterisk bash -c 'unset DISPLAY ; aplay
>> -vvvv -c 1 -D pulse /home/iain/sounds/line1.wav'
>> Tocando WAVE '/home/iain/sounds/line1.wav' : Signed 16 bit Little
>> Endian, Taxa 48000 Hz, Mono
>> ALSA <-> PulseAudio PCM I/O Plugin
>> Its setup is:
>>   stream       : PLAYBACK
>>   access       : RW_INTERLEAVED
>>   format       : S16_LE
>>   subformat    : STD
>>   channels     : 1
>>   rate         : 48000
>>   exact rate   : 48000 (48000/1)
>>   msbits       : 16
>>   buffer_size  : 24000
>>   period_size  : 6000
>>   period_time  : 125000
>>   tstamp_mode  : NONE
>>   tstamp_type  : GETTIMEOFDAY
>>   period_step  : 1
>>   avail_min    : 6000
>>   period_event : 0
>>   start_threshold  : 24000
>>   stop_threshold   : 24000
>>   silence_threshold: 0
>>   silence_size : 0
>>   boundary     : 6755399441055744000
>> iain@samsung:~$
>>
>> Any suggestions please?
>>
>> Thanks,
>>
>> Iain
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Received on Thu Apr 9 04:15:03 2020

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