How to capture audio using v4l2

Nicolas Dufresne nicolas.dufresne at
Mon Jun 9 07:40:39 PDT 2014

Le dimanche 08 juin 2014 à 08:13 -0700, Baby Octopus a écrit :
> Hi,
> I'm wondering to capture audio from a device which supports v4l2. I dont
> quite see any audio/x-raw caps in v4l2src element
> Can someone please explain?

For most device, the audio capture is exposed through the alsa driver
(exception for capture devices that produce contained data). If you are
using pulse, you will most likely see a input for that in the UI.


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