From: blinux-list at redhat.com (Linux for blind general discussion)
Subject: Persistent device naming, alsa
Date: Tue, 14 Sep 2021 12:48:36 -0500 [thread overview]
Message-ID: <20210914.174836.561.5@[192.168.1.100]> (raw)
I have a USB audio device that I use for system sounds via pulse, and speech.
In my default.pa, I have
set-default-sink alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.analog-stereo
I also have onboard audio, to which my surround speakers are connected.
For my mpv, I can use this line in ~/.config/mpv/mpv.conf:
audio-device=pulse/alsa_output.pci-0000_00_1f.3.analog-stereo
That's the onboard card.
I also use pianobar, which uses libao, to produce its audio. The problem is that
dev=hw:0
changes on each boot. I need a way to specify a device by it's name somewhere, so that I can call it in application, even if it's hw ID changes.
What can I do there?
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