[gstreamer-bugs] [Bug 336075] ALSA emu10k1 mixer tracks are wrongly classified as playback tracks

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-plugins-base | Ver: 0.10.x





------- Comment #26 from Sam Morris  2006-08-24 17:09 UTC -------
I can't say for certain without having the same hardware as you :) but that
isn't necessarily incorrect. If you run 'amixer scontents' you can see what is
going on.

It appears that your Line-in, CD and Microphone volume sliders actually control
the *playback* volume of their respective controls. In amixer terms, the
controls have the 'pvolume' capability. The pvolume only affects the volume of
the sound that comes out of your speakers (when the control is not muted). It
does not affect the volume of the sound as it is captured--that is what the
cvolume is for. If your Line-in control has no cvolume capability then it won't
show up in the Capture tab of gnome-volume-control.

Note also that you should apply my patch to gnome-volume-control; the two
patches together resolve the misunderstandings that the gnome-volume-control
program and the GstAlsaMixer class have about how to interpret the properties
of different ALSA controls.


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