On Tue, Dec 6, 2011 at 5:43 PM, Fons Adriaensen <fons@email-addr-hidden> wrote:
> So, are you telling us that ALSA inserts the plugin in both
> the capture and playback paths ? That would be absolutely
> braindead.
doesn't work that way at all.
the app opens "plughw:ladspa" (for example) for playback. presto: the
ladspa plugin is applied to the playback stream.
the app opens "hw:0" (for example) for capture. no plugin processing
on the capture stream.
the app opens "plughw:ladspa" (for example) for capture. presto: the
ladspa plugin is applied to the capture stream.
remember that there is no such thing as a duplex ALSA stream (similar
to several other audio device APIs).
> If the ALSA device doesn't provide enough level on the mic
> input then there is something wrong with either the driver
> or its configuration.
agreed.
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Received on Wed Dec 7 04:15:01 2011
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