Re: [gentoo-user] no sound with pulseaudio

[Tamer Higazi <th982a@googlemail.com>]

Am 29.09.2011 00:03, schrieb Canek Peláez Valdés:
> On Wed, Sep 28, 2011 at 5:49 PM, Tamer Higazi <th982a@googlemail.com> wrote:
>> Am 28.09.2011 23:28, schrieb Canek Peláez Valdés:
>>> On Wed, Sep 28, 2011 at 5:24 PM, Tamer Higazi <th982a@googlemail.com> wrote:
>>>> Hi!
>>>> I have configured pulseaudio according
>>>>
>>>> http://en.gentoo-wiki.com/wiki/PulseAudio
>>>>
>>>>
>>>> but I simply have no sound.
>>>>
>>>> The pulseaudio playback volume meter shows me signal, and that the bars
>>>> are jumping if I playback a music track.
>>>>
>>>> alsa-plugins (with pulseaudio USE flag)
>>>> gst-plugins-pulse
>>>>
>>>> are installed. But I don't know what is being blocked, that I have no
>>>> sound output at my headphones.
>>>>
>>>> PS: the headphones are ok.
>>>>
>>>> Any suggestions?
>>>
>>> What music player are you using? Did you set or modify ~/.asoundrc?
>>
>> ~/.asoundrc doesn't exist.
>>
>> I have /etc/asound.conf with these entries:
>>
>>
>> pcm.pulse {
>>    type pulse
>> }
>>
>> ctl.pulse {
>>    type pulse
>> }
>>
>> for all alsa applications to be redirected to pulse!
> 
> Mmmh. It's not exactly like that: If you use pcm.pulse and ctl.pulse,
> then you need to specify pulse as the virtual ALSA device. If you want
> "all alsa applications to be redirected to pulse", you need:
> 
> pcm.!default {
>     type pulse
> }
> 
> ctl.!default {
>     type pulse
> }
> 
>> The players Rhythmbox, xine all with pulseaudio default output plugins.
> 
> That should work. Did you check in sound settings that pulse is indeed
> the desired output
> 
>>> What Desktop do you use?
>>
>> Gnome, latest 2.x version
>>
>>  Is the pulseaudio daemon running?
>>
>> Yes!
>>
>> tamer@office ~ $ pstree -pu | grep puls
>>
>> |-pulseaudio(22833,tamer)-+-gconf-helper(22840)---{gconf-helper}(22841)
>>        |                         |-{pulseaudio}(22839)
>>        |                         `-{pulseaudio}(22842)
> 
> Looks OK.
> 
>> I have added all config files in "/etc/pulse/"
> 
> I wouldn't touch the files on /etc/pulse. I recommend first trying to
> make it work with the files included with pulseaudio (backup
> /etc/pulse, move the dir out of /etc and emerge again pulseaudio)
> before trying anything else. Supposedly, pulseaudio should "just
> works". Since the first time I installed it I have never touched the
> files in /etc/pulse, except to change the log-level of the daemon.
> 
As requested, I moved the pulse folder somewhere else and remerged
pulseaudio as well moved /etc/asound.conf somewhere else as well.

No sound!


> I'm on GNOME 3, so things are a little different, and I don't remember
> exactly the dialogs, but instead of the Gentoo wiki page, I would
> follow this:
> 
> http://www.pulseaudio.org/wiki/PerfectSetup
> 
> And more specifically:
> 
> http://www.pulseaudio.org/wiki/PerfectSetup#GNOME
> 
> and
> 
> http://www.pulseaudio.org/wiki/PerfectSetup#GStreamerApplications
> 
> Also, in really weird cases, the ALSA device gets its volume muted:
> You can try to remove (back up first) /etc/asound.conf, and run (as
> root)
> 
> alsamixer -V all

I did, and fired all the bars up. nothing! really nothing!

> 
> and trying to unmute and turn up the volume on everything. When you
> hear something with any player, return the asound.conf to /etc and try
> again.
> 
> Regards.

I have the dumb feeling that one process is blocking the output, I hear
in my headphones the white noise of my system, which wouldn't be there
if the soundcard hadn't been initialised.


Is there a way to find out which applications might make use of the
soundcard right now?!


Tamer