catch dtmf from audio port

[ved kpl]

May be adding a pad probe function on the might help you here.
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-add-probe


In the probe function, you can  parse the needed data (and subsequently
drop it, so it is not forwarded to the
downstream elements).

~Vikram


On Tue, Dec 3, 2013 at 11:27 AM, amar <asontakke at phonologies.com> wrote:

> Hi,
>
> I am writing a pipeline which is receiving rtp PCMU on one port and rtp
> H263p on other port and mux it into a .mpg file. Up to this part its
> working fine.
> I want to catch rtp DTMF which come on the same port which used to receive
> PCMU. I wrote bus watch function for catching GST_MESSAGE_ELEMENT singnal,
> But I am unable to get it.
> How can I catch the DTMF value come on audio port ?
>
> Thanks,
> Amar
>
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