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Running on Debian 12. 1 usb DAC, trying to have the audio from two instances split into the left and right channel of the usb dac.
I started with just ALSA and made two plugs with just the left / right channel in the asound.conf file. from this guide : https://bootlin.com/blog/audio-multi-channel-routing-and-mixing-using-alsalib/
I got that working but ran into the device being locked when trying to play simultaneously. IPC=Host on the containers did not fix this issue either.
So now ive moved to pulse and with a pulse sink to the ALSA hardware directly I get output again. I can not get it to give me output on my plugs configured in asound.conf. so the following gives me output on both channels:
load-module module-alsa-sink device=hw:0 sink_name=pamaster
But now I cant get it to output to one of my asound.conf plugs, dmix, dshare. anything.
load-module module-alsa-sink device=out0 sink_name=paout0
gives me no output.
I tried to pivot and use just pulse audio to do the splitting but I get errors. (not at my computer right now so i cant specify what errors)
load-module module-alsa-sink device=hw:0 sink_name=pamaster
load-module module-remap-sink sink_name=paleftonly master=pamaster channels=1 master_channel_map=front-left channel_map=front-left remix=no
I think im close here, but there must be something slightly wrong in my context.
Super awesome project btw, I know the multiple instances is defiantly niche and difficult to setup. If anyone could help me out that would be much appreciated ive given this a good 8-10 hours of troubleshooting. and to be honest its probably easier to just buy multiple usb dacs, ignore the second channel, and give each instance its own dac lol.
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Running on Debian 12. 1 usb DAC, trying to have the audio from two instances split into the left and right channel of the usb dac.
I started with just ALSA and made two plugs with just the left / right channel in the asound.conf file. from this guide :
https://bootlin.com/blog/audio-multi-channel-routing-and-mixing-using-alsalib/
I got that working but ran into the device being locked when trying to play simultaneously. IPC=Host on the containers did not fix this issue either.
So now ive moved to pulse and with a pulse sink to the ALSA hardware directly I get output again. I can not get it to give me output on my plugs configured in asound.conf. so the following gives me output on both channels:
load-module module-alsa-sink device=hw:0 sink_name=pamaster
But now I cant get it to output to one of my asound.conf plugs, dmix, dshare. anything.
load-module module-alsa-sink device=out0 sink_name=paout0
gives me no output.
I tried to pivot and use just pulse audio to do the splitting but I get errors. (not at my computer right now so i cant specify what errors)
load-module module-alsa-sink device=hw:0 sink_name=pamaster
load-module module-remap-sink sink_name=paleftonly master=pamaster channels=1 master_channel_map=front-left channel_map=front-left remix=no
I think im close here, but there must be something slightly wrong in my context.
Super awesome project btw, I know the multiple instances is defiantly niche and difficult to setup. If anyone could help me out that would be much appreciated ive given this a good 8-10 hours of troubleshooting. and to be honest its probably easier to just buy multiple usb dacs, ignore the second channel, and give each instance its own dac lol.
Thanks in advance.
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