Le 2020-11-03 23:49, Arun Raghavan a écrit :
On Tue, 3 Nov 2020, at 5:28 PM, 01ivier@xxxxxxxxxxxxx wrote:
Hello again,
I want to know if there is a way, still in command line, to control
the
right and left volumes of an application.
With Pulseaudio Volume Control, you can click on the lock icon related
to a launched application, and two sliders appear to do so.
Is it possible in CLI ?
My goal is to run two applications on the same card, but to assign
right
channel for one and left for the other.
Possible complication : the output of my application is in mono and
with
Pulseaudio Volume Control I don't get the two sliders if I click on
the
lock icon.
You can use pactl to do this:
pactl set-sink-input <sink input index> <volume for channel 1>
<volume for channel 2> ...
You can look up the sink input index and channel map for channel order
with:
pactl list sink-inputs
-- Arun
Hello Arun and thanks for the quick answer.
It's exactly the command I was looking for.
Unfortunately, as I thought, it doesn't work in my case because my
output is in mono.
Here's what I get:
Failed to set volume: You tried to set volumes for 2 channels, whereas
channel(s) supported = 1
I can't change the output of the software.
Is there possibly a way to create a virtual stereo output from the mono
?
Thank you.
°1ivier
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