[alsa-devel] newbie questions on alsa architecture (e.g. who reads .asoundrc)

俞晓磊 elioxia at gmail.com
Fri Nov 18 10:29:51 CET 2011

i recently found that a few android devices build their audio stack
upon alsa (SGSII for example), and become interested in creating an
audio output capture application through alsa api (since android stack
does not support such feature)
Some tutorials suggest .asoundrc tweaks work for pc, so i want to know
what happens when a copy device line is added to the conf file, and is
that possible to achieve the goal through plain api calls.
i'm ok if a kernel rebuild is necessary, just hoping to dig into alsa
a little deeper.

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