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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Aug 3 21:15:50 UTC 2017


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

--- Comment #8 from Stéphane <mathojojo at gmail.com> ---
So, your command :
cat /proc/asound/card*/pcm0p/sub0/hw_params

The output when selecting Front Speakers:

access: RW_INTERLEAVED
format: S24_3LE
subformat: STD
channels: 8
rate: 96000 (96000/1)
period_size: 1024
buffer_size: 8192

The output when selecting Surround71:

access: MMAP_INTERLEAVED
format: S24_3LE
subformat: STD
channels: 8
rate: 96000 (96000/1)
period_size: 1024
buffer_size: 8192

The only difference is with the access output (RW vs MMAP). I don't know what
it means.
And the channels output is always 8. Weird for the front speaker profile, no ?

(I talked about deadbeef as an example, but I also use squeezelite which can
use  alsa drivers directly without pulseausio as well. and it works too)

And the sound is fine in both case.

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