Hi,
instead of using pjmedia_session you should use pjmedia_session_info.
Here is an example to list the codec(s) used by a call:
...
int i;
pjmedia_session_info sess_info;
pjmedia_session* session;
session = pjsua_call_get_media_session (call_id);
if (session) {
pjmedia_session_get_info (session, &sess_info);
for (i=0; i<sess_info.stream_cnt; i++) {
fprintf (stderr, "\n\nCodec used: %.*s\n\n",
(int)sess_info.stream_info[i].fmt.encoding_name.slen,
sess_info.stream_info[i].fmt.encoding_name.ptr);
}
}
...
Regards,
Dan Arrhenius
p.s.
I'm using a webmail client so the formatting of the code may look ugly.
> Hi,
>
> I'm using the PJSUA API for a simple SIP-Client. I want to know the codec
> currently used (which might change during the call with an SDP update).
>
> I try to use the on_stream_created callback from the pjsua_callbacks
> structure. The signature of this function is
>
> void (*on_stream_created)(pjsua_call_id call_id, pjmedia_session *sess,
> unsigned stream_idx, pjmedia_port **p_port);
>
> My problem is the type of the second parameter: pjmedia_session is defined
> in pjmedia/src/pjmedia/session.c - yes ".c".
>
> How is my compiler supposed to find that definition, when it is not
> available in any header file? Since I want to access the stream_info array
> inside of sess, the compiler needs to know the memory layout of
> pjmedia_session when compiling my on_stream_created callback function.
>
> I suspect that I'm missing something fundamental, trivial and obvious, but
> I just can't find it ... am I not able to see the wood for the trees?
>
> What's the deal with that structure?
>
> Thanks,
> Sebastian.
>
> PS: making a local copy of the pjmedia_session definition to my file fixes
> the compiling and everything works fine. But that's not the way
> on_stream_created is supposed to be used, is it?
>
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