liblinphone 3.9.1

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Basic call
Tutorials:

This program is a very simple usage example of liblinphone. It just takes a sip-uri as first argument and attempts to call it

/*
linphone
Copyright (C) 2010 Belledonne Communications SARL
(simon.morlat@linphone.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef IN_LINPHONE
#include "linphonecore.h"
#else
#include "linphone/linphonecore.h"
#endif
#include <signal.h>
static bool_t running=TRUE;
static void stop(int signum){
running=FALSE;
}
/*
* Call state notification callback
*/
static void call_state_changed(LinphoneCore *lc, LinphoneCall *call, LinphoneCallState cstate, const char *msg){
switch(cstate){
case LinphoneCallOutgoingRinging:
printf("It is now ringing remotely !\n");
break;
case LinphoneCallOutgoingEarlyMedia:
printf("Receiving some early media\n");
break;
case LinphoneCallConnected:
printf("We are connected !\n");
break;
case LinphoneCallStreamsRunning:
printf("Media streams established !\n");
break;
case LinphoneCallEnd:
printf("Call is terminated.\n");
break;
case LinphoneCallError:
printf("Call failure !");
break;
default:
printf("Unhandled notification %i\n",cstate);
}
}
int main(int argc, char *argv[]){
LinphoneCoreVTable vtable={0};
LinphoneCore *lc;
LinphoneCall *call=NULL;
const char *dest=NULL;
/* take the destination sip uri from the command line arguments */
if (argc>1){
dest=argv[1];
}
signal(SIGINT,stop);
#ifdef DEBUG
linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/
#endif
/*
Fill the LinphoneCoreVTable with application callbacks.
All are optional. Here we only use the call_state_changed callbacks
in order to get notifications about the progress of the call.
*/
vtable.call_state_changed=call_state_changed;
/*
Instanciate a LinphoneCore object given the LinphoneCoreVTable
*/
lc=linphone_core_new(&vtable,NULL,NULL,NULL);
if (dest){
/*
Place an outgoing call
*/
call=linphone_core_invite(lc,dest);
if (call==NULL){
printf("Could not place call to %s\n",dest);
goto end;
}else printf("Call to %s is in progress...",dest);
linphone_call_ref(call);
}
/* main loop for receiving notifications and doing background linphonecore work: */
while(running){
linphone_core_iterate(lc);
ms_usleep(50000);
}
if (call && linphone_call_get_state(call)!=LinphoneCallEnd){
/* terminate the call */
printf("Terminating the call...\n");
linphone_core_terminate_call(lc,call);
/*at this stage we don't need the call object */
linphone_call_unref(call);
}
end:
printf("Shutting down...\n");
linphone_core_destroy(lc);
printf("Exited\n");
return 0;
}