[arch-general] Alsa Softvol and MOC

Sat Sep 26 13:50:58 UTC 2015

The performance impact is hardly an issue on any modern machine you
will be running it.

The main concerns are regarding security.

http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/WhatIsWrongWithSystemWide/

On Sat, Sep 26, 2015 at 4:45 PM, Michał Zegan
<webczat_200 at poczta.onet.pl> wrote:
> It is not recommended for, I believe, a good reason, including severe
> performance impact.
>
> W dniu 26.09.2015 o 15:39, Christoph Gysin pisze:
>
>> While it's generally not recommended, you *can* run pulseaudio also as
>> a system-wide instance.
>>
>> On Sat, Sep 26, 2015 at 4:35 PM, Michał Zegan
>> <webczat_200 at poczta.onet.pl> wrote:
>>>
>>> this is very well known to me, and also quite logical. pulseaudio is a
>>> session process, espeakup is a system process. that whole thing actually
>>> means it will have exactly those problems.
>>>
>>> W dniu 26.09.2015 o 15:32, Storm Dragon pisze:
>>>
>>>> Howdy,
>>>> No one has any clue what is stopping it. People have contacted the pulse
>>>> developers who say it's something with espeakup, but then some think it
>>>> may
>>>> be speech-dispatcher's crappy pulse implimentation, which may be the
>>>> case,
>>>> cause I think it will work if a dekstop infironment isn't loaded with
>>>> orca.
>>>> No one has any clue how, or even what, to fix lol. So, I just avoid
>>>> pulse.
>>>> Thanks
>>>> Storm
>>>> On Sat, Sep 26, 2015 at 04:26:40PM +0300, Christoph Gysin wrote:
>>>>>
>>>>> Alsa itself has a pulseaudio plugin. So applications using alsa will
>>>>> be routed through pulseaudio.
>>>>>
>>>>> I tried to find the source for that plugin, but couldn't find it.
>>>>> Maybe it was removed from alsa-plugins upstream? Or merged into
>>>>> another plugin?
>>>>>
>>>>> What is preventing speakup from using pulseaudio?
>>>>>
>>>>> On Sat, Sep 26, 2015 at 4:09 PM, Storm Dragon
>>>>> <stormdragon2976 at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> Howdy,
>>>>>> No, I don't have pulseaudio installed. I actually can't use it because
>>>>>> it
>>>>>> will not allow me to use speakup in the console. Interestingly enough,
>>>>>> I
>>>>>> read something that said moc doesn't have support for pulseaudio. So,
>>>>>> I
>>>>>> must
>>>>>> have found outdated info.
>>>>>> Still, I wonder if we are missing a plugin in alsa itself?
>>>>>> thanks
>>>>>> Storm
>>>>>>
>>>>>> On Sat, Sep 26, 2015 at 03:09:38PM +0300, Christoph Gysin wrote:
>>>>>>>
>>>>>>>
>>>>>>> Are you using pulseaudio? This works out of the box for me with
>>>>>>> pulseaudio. moc controls the volume of whatever was the default sink
>>>>>>> when it was started.
>>>>>>>
>>>>>>> On Fri, Sep 25, 2015 at 10:06 PM, Storm Dragon
>>>>>>> <stormdragon2976 at gmail.com> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> Howdy,
>>>>>>>> I have installed extra/moc 1:2.5.0-3. Reading through the docs, and
>>>>>>>> things
>>>>>>>> on the net, I found a way to set up a softvol control for it in
>>>>>>>> alsa,
>>>>>>>> so
>>>>>>>> when I adjust its volume, it only changes the volume for moc.
>>>>>>>> Everything
>>>>>>>> went well, except, I can't adjust the volume from within the moc
>>>>>>>> app,
>>>>>>>> which
>>>>>>>> should be possible because you can set the alsa device and mixer in
>>>>>>>> the
>>>>>>>> ~/.moc/config file.
>>>>>>>> It is using the right device, and amixer sset Mocmaster 50% sets the
>>>>>>>> volume.
>>>>>>>> It's just the in program controls that fail. When moc starts, it
>>>>>>>> gives
>>>>>>>> this
>>>>>>>> error:
>>>>>>>> ALSA lib dlmisc.c:254:(snd1_dlobj_cache_get) Cannot open shared
>>>>>>>> library
>>>>>>>> /usr/lib/alsa-lib/libasound_module_ctl_softvol.so
>>>>>>>> This makes me think that either a plugin is missing from
>>>>>>>> alsa-plugins,
>>>>>>>> or
>>>>>>>> maybe moc is using an outdated way to change its volume. However, if
>>>>>>>> the
>>>>>>>> alsa controls are set to their defaults, the volume works fine, but
>>>>>>>> it
>>>>>>>> lowers the volume on the whole system.
>>>>>>>> I did a pacman search for alsa softvol but it didn't return
>>>>>>>> anything.
>>>>>>>> Is
>>>>>>>> there anything I can install to fix this?
>>>>>>>> Thanks for any help
>>>>>>>> Storm
>>>>>>>> --
>>>>>>>> Powered by Arch Linux! I am registered Linux user number 508465:
>>>>>>>> https://linuxcounter.net/user/508465.html
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>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> echo mailto: NOSPAM !#$.'<*>'|sed 's. ..'|tr "<*> !#:2" org at fr33z3
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Powered by Arch Linux! I am registered Linux user number 508465:
>>>>>> https://linuxcounter.net/user/508465.html
>>>>>> My blog, Thoughts of a Dragon: http://www.stormdragon.tk/
>>>>>> get my public PGP key: gpg --keyserver wwwkeys.pgp.net --recv-key
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> echo mailto: NOSPAM !#$.'<*>'|sed 's. ..'|tr "<*> !#:2" org at fr33z3
>>>>
>>>>
>>
>>
>

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