Re: mythtv - Disabling Audio

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Author: Janusz S. Bień
Date:  
To: dmo-discussion
Subject: Re: mythtv - Disabling Audio
On Thu, Nov 08 2018 at 19:21 +0100, Christian Marillat wrote:
> On 08 nov. 2018 17:34, jsbien@??? (Janusz S. Bień) wrote:
>
>> Hi!
>>
>> After the recent update I got no sound in MythTV. The frontend displays:
>>
>> Disabling Audio
>> Audio Player
>> Aborting reconfigure
>
> Only these lines ?


This is displayed by the frontend.

On the console I have

--8<---------------cut here---------------start------------->8---
ALSA lib pcm_dmix.c:1099:(snd_pcm_dmix_open) unable to open slave
2018-11-08 19:33:34.723766 I TV::HandleStateChange(): Attempting to change from None to WatchingPreRecorded
2018-11-08 19:33:34.757721 E ALSA: snd_pcm_open("default"): No such file or directory
2018-11-08 19:33:34.757749 N AudioPlayer: Enabling Audio
ALSA lib pcm_dmix.c:1099:(snd_pcm_dmix_open) unable to open slave
2018-11-08 19:33:34.929307 I AFD: codec MP2 has 2 channels
2018-11-08 19:33:34.929404 I AFD: Opened codec 0x55ff5d2856e0, id(MP2) type(Audio)
2018-11-08 19:33:34.929461 I AFD: codec E-AC3 has 6 channels
2018-11-08 19:33:34.929680 I AFD: Opened codec 0x55ff5d304360, id(E-AC3) type(Audio)
2018-11-08 19:33:34.929712 I AFD: Opened codec 0x55ff5d305560, id(DVB_SUBTITLE) type(Subtitle)
2018-11-08 19:33:34.929716 I AFD: codec E-AC3 has 2 channels
2018-11-08 19:33:34.929925 I AFD: Opened codec 0x55ff5d3067a0, id(E-AC3) type(Audio)
2018-11-08 19:33:34.929948 I AFD: Opened codec 0x55ff5d3079a0, id(DVB_SUBTITLE) type(Subtitle)
2018-11-08 19:33:34.931887 I AFD: Opened codec 0x55ff5d286ee0, id(H264) type(Video)
2018-11-08 19:33:34.932556 I AOBase: Opening audio device 'default' ch 2(6) sr 48000 sf signed 16 bit reenc 0
2018-11-08 19:33:34.933357 E ALSA: snd_pcm_open("default"): No such file or directory
2018-11-08 19:33:34.933367 E AudioOutput Error: Aborting reconfigure
2018-11-08 19:33:34.933375 N AudioPlayer: Disabling Audio, reason is: Aborting reconfigure
--8<---------------cut here---------------end--------------->8---


> Your machine is up to date ?


Yes.

>
>> The sound still works in YouTube accessed with Firefox Quantum
>> 60.3.0esr.
>
> Probably a bad idea to do tests with firefox...


I'm just using it this way regularily. I just tested now that there is
no sound problem in vlc.

Sveral (two or three) upgrade ago all audio output device vanished, I
had only 'dummy' or something like that. After next upgrade and reboot
the situation seemed to return to normal, but it's the first time I run
MythTV after this problem.

Best regards

Janusz


-- 
             ,   
Janusz S. Bien
emeryt (emeritus)
https://sites.google.com/view/jsbien