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"pulseaudio" forces switching sources on the go.

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hedmo
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Posted: Sat Jan 02, 2021 1:17 pm Post subject: "pulseaudio" forces switching sources on the go.

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hi

i am running my media box with my tv on one displaylink (hdmi3) and my vr HMD on one hdmi (hdmi4) .ATM i have created a sink:

Code:

set-default-sink combined

the problem i am having is that the HMD is not always on and both are connected to the same card . when the HMD starts pulseaudio still defaults to hdmi3
and i like to make puleaudio to switch to hdmi4 when it is ON.

i have tried this to :

Code:

load-module module-alsa-sink device="hw:3,9" sink_name=hdmi3 sink_properties="device.description='Marantz' device.icon_name='display-link'"

load-module module-alsa-sink device="hw:3,10" sink_name=hdmi4 sink_properties="device.description='HMD' device.icon_name='hdmi'"

load-module module-combine-sink sink_name=combined_output slaves=hdmi3,hdmi4 sink_properties="device.description='Combined Marantz + HMD' device.icon_name='audio-card-symbolic'"
set-default-sink Combined Marantz + HMD

with no go

regards

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turtles
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Posted: Sat Jan 02, 2021 7:05 pm Post subject:

I have always had allot of luck using Udev rules for stuff like this. I'd try something like this: See https://stackoverflow.com/questions/5469828/how-to-create-a-callback-for-monitor-plugged-on-an-intel-graphics _________________ Donate to Gentoo

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hedmo
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Posted: Sun Jan 03, 2021 6:52 am Post subject:

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turtles wrote:

I have always had allot of luck using Udev rules for stuff like this. I'd try something like this:
See https://stackoverflow.com/questions/5469828/how-to-create-a-callback-for-monitor-plugged-on-an-intel-graphics

turtles

thank you for the link . ATM i am trying an other way by using my hdmi from the motherboard and hoping to use that one with prime .
in that way i dont have anything connected to my DGPU until the HMD gets active . but ATM the HMD is black as the intel driver
is unloaded because it does not have a screen when X starts up.

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garrison
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Joined: 18 Mar 2003
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Posted: Fri Jan 15, 2021 2:19 pm Post subject:

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hedmo wrote:

turtles wrote:

I have always had allot of luck using Udev rules for stuff like this. I'd try something like this:
See https://stackoverflow.com/questions/5469828/how-to-create-a-callback-for-monitor-plugged-on-an-intel-graphics

turtles

thank you for the link . ATM i am trying an other way by using my hdmi from the motherboard and hoping to use that one with prime .
in that way i dont have anything connected to my DGPU until the HMD gets active . but ATM the HMD is black as the intel driver
is unloaded because it does not have a screen when X starts up.

This probably needs a feature request filed to pulseaudio tracker, so load* commands can be executed conditionally after cards appear. HDMI is quite a big of an issue on it's own since frequently hdmi audio *cards* just disappear if you turn off display or put it to sleep.. when you turn display back on with pulseaudio-13.0 module-switch-on-port-available does it's things and re-routes audio to just connected hdmi etc.

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