catch dtmf from audio port

[Nicolas Dufresne]

There is an element called dtmfdetec in -bad. It depends on spansp. It's
not built on most distro, not sure why. It might be what you are looking
for ?

Nicolas
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20131205/6c12df30/attachment.pgp>