[LAD] ALSA frustration

Clemens Ladisch clemens at ladisch.de
Tue Apr 22 07:57:20 UTC 2014

Fons Adriaensen wrote:
> In this case my very humble endeavour was just
> to find out if or not it would be possible to
> create something similar to the alsa_jack plugin
> that would actually present itself as a sound
> card, so that (badly written) apps would be
> prepared to use it.

In theory, plugins like alsa_jack already _are_
presented as a sound card.  (From alsa-lib's point
of view, there is not difference between the hw and
the alsa_jack plugins.)

If your badly written apps insist on using a hardware
card (i.e., on the hw plugin), then you need to have
an actual kernel driver for that card.  There is the
loopback driver, snd-aloop, but you'd need to write
a tool that bridges that to Jack.


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