Re: asoundrc issue - Unique IPC key not defined (Re: Setting HDMI as default in asoundrc and getting Firefox to use this default)

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Apr 18 2022, Joel Roth has written:
...
pcm.hdmi_out {
 type plug
 ipc_key 5641 # inserting this line, and using various values doesn't help
 slave { plughw:CARD=PCH,DEV=7 }
}

pcm.!default {
 type dmix
 slave { pcm "hdmi_out" }
}
...
I do remember the ipc_key bit. I think it needs to go with the default
device. I think it's part of the dmix type. IIRC ipc_key can be an
arbitrary value, but must be unique for different dmix/dshare devices. I
hope this helps...

Best wishes,

Jeanette

--
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