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Date:      Sun, 3 Oct 2021 17:47:50 +0200
From:      J P <webplication@gmail.com>
To:        freebsd-multimedia@freebsd.org
Subject:   tee-like function via virtual_oss
Message-ID:  <CABcCtURUbpfGk6U7qjycqEoBp5WKOzYUwuJbjMOXqDCMZtKtPQ@mail.gmail.com>

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Hi,
I need to record what is being played back from a play-only device:
pcm0: <ATI R6xx (HDMI)> (play) default

I thought that virtual_oss might come at hand for this and function in a
"tee-like" fashion but I am unable to have it work.

My config is as follows:
-T /dev/sndstat -C 2 -c 2 -r 48000 -b 24 -s 8.0ms -f /dev/null -d dsp5 -M
x,0,5,0,0,0

What am I doing wrong?

It seems that this configuration connects the input of dsp5 to the output
of dsp0, but I actually need the other way around.

Thank you.

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