[pulseaudio-tickets] [Bug 101944] Pulseaudio doesn't list all devices profiles that are listed by alsa

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101944

--- Comment #3 from Stéphane <mathojojo at gmail.com> ---
(In reply to Tanu Kaskinen from comment #1)
> Does "pasuspender -- speaker-test -Dfront:Ultra --channels=2" produce noise?
> 
> pasuspender will make pulseaudio not access the alsa devices while
> speaker-test runs, and speaker-test plays noise to each channel (in this
> case two channels) in turn. Since pulseaudio doesn't offer a stereo profile,
> I suspect that the "front" alsa device doesn't work at all.

Thank you for your help.

Your command line doesn't work for me. It says :

"The Read device is front:Ultra
The Streams are set to 48000Hz, S16_LE, 2 channels
Using 16 octaves of 'pink noise'
The sample format is unavailable for playback : invalid argument
Failed to set device parameters : invalid argument"

In another hand, I'm used to listen to music with Deadbeef because this player
allow me to select ALSA driver (and avoid Pulseaudio when I don't want any
resampling and quality discrease). And there, I can select my front:ultra
profile (see picture attachment), and it works very well.

The same for squeezelite player, I set it to use the front:Ultra profile,
without any problem.

That's why I think the Front:Ultra profile exists and worksn but I don't know
why your command fails, and why pulseaudio doesn't make it available.

(Another think I remember to add : In the past (maybe 3 years ago, maybe Ubuntu
14.04, but >I can't be sure now), all profiles were listed with the same
Fasttrack Ultra soundcard, and it worked fine. SO.. something changed, but what
?)

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