On Sun, 5 Sep 2021 19:41:09 -0700
Jack Craig <jack.craig.aptos(a)gmail.com> wrote:
aplay -lv
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
[root@ws jackc]#
I recall from your first message that you were trying to instantiate
hdmi:0,1. From the above output, that device doesn't exist. You only
have devices hdmi:0,[3,7,8,9,10]. So, the error message is correct.
For some reason, pipewire? is trying to open an incorrect device. Do
you have a device hard-coded somewhere in your configuration? Pipewire
should be able to figure out the correct device to try if it isn't
being told a device to use (I think, no expert on pipewire).