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1 /*
2 linphone
3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 */
19
20 #include "linphonecore.h"
21 #include "sipsetup.h"
22 #include "lpconfig.h"
23 #include "private.h"
24 #include "mediastreamer2/mediastream.h"
25 #include "mediastreamer2/msvolume.h"
26 #include "mediastreamer2/msequalizer.h"
27
28 #include <ortp/telephonyevents.h>
29
30
31 #ifdef INET6
32 #ifndef WIN32
33 #include <netdb.h>
34 #endif
35 #endif
36
37 /*#define UNSTANDART_GSM_11K 1*/
38
39 static const char *liblinphone_version=LIBLINPHONE_VERSION;
40 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable);
41
42 #include "enum.h"
43
44 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
45 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
46
47 /* relative path where is stored local ring*/
48 #define LOCAL_RING "rings/oldphone.wav"
49 /* same for remote ring (ringback)*/
50 #define REMOTE_RING "ringback.wav"
51
52 extern SalCallbacks linphone_sal_callbacks;
53
54 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
55 {
56   obj->_func=func;
57   obj->_user_data=ud;
58 }
59
60 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
61         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
62         return 0;
63 }
64
65
66 static MSList *make_codec_list(const MSList *codecs){
67         MSList *l=NULL;
68         const MSList *it;
69         for(it=codecs;it!=NULL;it=it->next){
70                 PayloadType *pt=(PayloadType*)it->data;
71                 if (pt->flags & PAYLOAD_TYPE_ENABLED){
72                         l=ms_list_append(l,payload_type_clone(pt));
73                 }
74         }
75         return l;
76 }
77
78 static SalMediaDescription *create_local_media_description(LinphoneCore *lc, 
79                 const char *localip, const char *username){
80         MSList *l;
81         PayloadType *pt;
82         SalMediaDescription *md=sal_media_description_new();
83         md->nstreams=1;
84         strncpy(md->addr,localip,sizeof(md->addr));
85         strncpy(md->username,username,sizeof(md->username));
86         /*set audio capabilities */
87         strncpy(md->streams[0].addr,localip,sizeof(md->streams[0].addr));
88         md->streams[0].port=linphone_core_get_audio_port(lc);
89         md->streams[0].proto=SalProtoRtpAvp;
90         md->streams[0].type=SalAudio;
91         l=make_codec_list(lc->codecs_conf.audio_codecs);
92         pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event"));
93         l=ms_list_append(l,pt);
94         md->streams[0].payloads=l;
95         
96         if (lc->dw_audio_bw>0)
97                 md->streams[0].bandwidth=lc->dw_audio_bw;
98
99         if (linphone_core_video_enabled (lc)){
100                 md->nstreams++;
101                 md->streams[1].port=linphone_core_get_video_port(lc);
102                 md->streams[1].proto=SalProtoRtpAvp;
103                 md->streams[1].type=SalVideo;
104                 l=make_codec_list(lc->codecs_conf.video_codecs);
105                 md->streams[1].payloads=l;
106                 if (lc->dw_video_bw)
107                         md->streams[1].bandwidth=lc->dw_video_bw;
108         }
109         return md;
110 }
111
112 static void linphone_call_init_common(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
113         call->state=LCStateInit;
114         call->start_time=time(NULL);
115         call->media_start_time=0;
116         call->log=linphone_call_log_new(call, from, to);
117         linphone_core_notify_all_friends(call->core,LINPHONE_STATUS_ONTHEPHONE);
118         if (linphone_core_get_firewall_policy(call->core)==LINPHONE_POLICY_USE_STUN)
119                 linphone_core_run_stun_tests(call->core,call);
120 }
121
122 static void discover_mtu(LinphoneCore *lc, const char *remote){
123         int mtu;
124         if (lc->net_conf.mtu==0 ){
125                 /*attempt to discover mtu*/
126                 mtu=ms_discover_mtu(remote);
127                 if (mtu>0){
128                         ms_set_mtu(mtu);
129                         ms_message("Discovered mtu is %i, RTP payload max size is %i",
130                                 mtu, ms_get_payload_max_size());
131                 }
132         }
133 }
134
135 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to)
136 {
137         LinphoneCall *call=ms_new0(LinphoneCall,1);
138         call->dir=LinphoneCallOutgoing;
139         call->op=sal_op_new(lc->sal);
140         sal_op_set_user_pointer(call->op,call);
141         call->core=lc;
142         linphone_core_get_local_ip(lc,linphone_address_get_domain(to),call->localip);
143         call->localdesc=create_local_media_description (lc,call->localip,
144                 linphone_address_get_username(from));
145         linphone_call_init_common(call,from,to);
146         discover_mtu(lc,linphone_address_get_domain (to));
147         return call;
148 }
149
150 LinphoneCall * linphone_call_new_incoming(LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op){
151         LinphoneCall *call=ms_new0(LinphoneCall,1);
152         LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
153
154         call->dir=LinphoneCallIncoming;
155         sal_op_set_user_pointer(op,call);
156         call->op=op;
157         call->core=lc;
158         
159         linphone_address_clean(from);
160         linphone_core_get_local_ip(lc,linphone_address_get_domain(from),call->localip);
161         call->localdesc=create_local_media_description (lc,call->localip,
162             linphone_address_get_username(me));
163         linphone_call_init_common(call, from, to);
164         discover_mtu(lc,linphone_address_get_domain(from));
165         linphone_address_destroy(me);
166         return call;
167 }
168
169 void linphone_call_destroy(LinphoneCall *obj)
170 {
171         linphone_core_notify_all_friends(obj->core,obj->core->prev_mode);
172         linphone_call_log_completed(obj->log,obj);
173         linphone_core_update_allocated_audio_bandwidth(obj->core);
174         if (obj->op!=NULL) sal_op_release(obj->op);
175         if (obj->resultdesc!=NULL) sal_media_description_unref(obj->resultdesc);
176         if (obj->localdesc!=NULL) sal_media_description_unref(obj->localdesc);
177         ms_free(obj);
178 }
179
180 /*prevent a gcc bug with %c*/
181 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
182 #if !defined(_WIN32_WCE)
183         return strftime(s, max, fmt, tm);
184 #else
185         return 0;
186         /*FIXME*/
187 #endif /*_WIN32_WCE*/
188 }
189
190 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
191         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
192 }
193
194 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
195         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
196         struct tm loctime;
197         cl->dir=call->dir;
198 #ifdef WIN32
199 #if !defined(_WIN32_WCE)
200         loctime=*localtime(&call->start_time);
201         /*FIXME*/
202 #endif /*_WIN32_WCE*/
203 #else
204         localtime_r(&call->start_time,&loctime);
205 #endif
206         set_call_log_date(cl,&loctime);
207         cl->from=from;
208         cl->to=to;
209         return cl;
210 }
211
212 static void call_logs_write_to_config_file(LinphoneCore *lc){
213         MSList *elem;
214         char logsection[32];
215         int i;
216         char *tmp;
217         LpConfig *cfg=lc->config;
218
219         if (!lc->ready) return;
220         
221         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
222                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
223                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
224                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
225                 lp_config_set_int(cfg,logsection,"status",cl->status);
226                 tmp=linphone_address_as_string(cl->from);
227                 lp_config_set_string(cfg,logsection,"from",tmp);
228                 ms_free(tmp);
229                 tmp=linphone_address_as_string(cl->to);
230                 lp_config_set_string(cfg,logsection,"to",tmp);
231                 ms_free(tmp);
232                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
233                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
234                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
235         }
236         for(;i<lc->max_call_logs;++i){
237                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
238                 lp_config_clean_section(cfg,logsection);
239         }
240 }
241
242 static void call_logs_read_from_config_file(LinphoneCore *lc){
243         char logsection[32];
244         int i;
245         const char *tmp;
246         LpConfig *cfg=lc->config;
247         for(i=0;;++i){
248                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
249                 if (lp_config_has_section(cfg,logsection)){
250                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
251                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
252                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
253                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
254                         if (tmp) cl->from=linphone_address_new(tmp);
255                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
256                         if (tmp) cl->to=linphone_address_new(tmp);
257                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
258                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
259                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
260                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
261                         if (tmp) cl->refkey=ms_strdup(tmp);
262                         lc->call_logs=ms_list_append(lc->call_logs,cl);
263                 }else break;    
264         }
265 }
266
267
268 void linphone_call_log_completed(LinphoneCallLog *calllog, LinphoneCall *call){
269         LinphoneCore *lc=call->core;
270         
271         calllog->duration=time(NULL)-call->start_time;
272         switch(call->state){
273                 case LCStateInit:
274                         calllog->status=LinphoneCallAborted;
275                         break;
276                 case LCStateRinging:
277                         if (calllog->dir==LinphoneCallIncoming){
278                                 char *info;
279                                 calllog->status=LinphoneCallMissed;
280                                 lc->missed_calls++;
281                                 info=ortp_strdup_printf(ngettext("You have missed %i call.",
282                             "You have missed %i calls.", lc->missed_calls),
283                         lc->missed_calls);
284                                 lc->vtable.display_status(lc,info);
285                                 ms_free(info);
286                         }
287                         else calllog->status=LinphoneCallAborted;
288                         break;
289                 case LCStateAVRunning:
290                         calllog->status=LinphoneCallSuccess;
291                         break;
292         }
293         lc->call_logs=ms_list_prepend(lc->call_logs,(void *)calllog);
294         if (ms_list_size(lc->call_logs)>lc->max_call_logs){
295                 MSList *elem,*prevelem=NULL;
296                 /*find the last element*/
297                 for(elem=lc->call_logs;elem!=NULL;elem=elem->next){
298                         prevelem=elem;
299                 }
300                 elem=prevelem;
301                 linphone_call_log_destroy((LinphoneCallLog*)elem->data);
302                 lc->call_logs=ms_list_remove_link(lc->call_logs,elem);
303         }
304         if (lc->vtable.call_log_updated!=NULL){
305                 lc->vtable.call_log_updated(lc,calllog);
306         }
307         call_logs_write_to_config_file(lc);
308 }
309
310 /**
311  * @addtogroup call_logs
312  * @{
313 **/
314
315 /**
316  * Returns a human readable string describing the call.
317  * 
318  * @note: the returned char* must be freed by the application (use ms_free()).
319 **/
320 char * linphone_call_log_to_str(LinphoneCallLog *cl){
321         char *status;
322         char *tmp;
323         char *from=linphone_address_as_string (cl->from);
324         char *to=linphone_address_as_string (cl->to);
325         switch(cl->status){
326                 case LinphoneCallAborted:
327                         status=_("aborted");
328                         break;
329                 case LinphoneCallSuccess:
330                         status=_("completed");
331                         break;
332                 case LinphoneCallMissed:
333                         status=_("missed");
334                         break;
335                 default:
336                         status="unknown";
337         }
338         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
339                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
340                         cl->start_date,
341                         from,
342                         to,
343                         status,
344                         cl->duration/60,
345                         cl->duration%60);
346         ms_free(from);
347         ms_free(to);
348         return tmp;
349 }
350
351 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
352         cl->user_pointer=up;
353 }
354
355 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
356         return cl->user_pointer;
357 }
358
359
360
361 /**
362  * Associate a persistent reference key to the call log.
363  *
364  * The reference key can be for example an id to an external database.
365  * It is stored in the config file, thus can survive to process exits/restarts.
366  *
367 **/
368 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
369         if (cl->refkey!=NULL){
370                 ms_free(cl->refkey);
371                 cl->refkey=NULL;
372         }
373         if (refkey) cl->refkey=ms_strdup(refkey);
374         call_logs_write_to_config_file(cl->lc);
375 }
376
377 /**
378  * Get the persistent reference key associated to the call log.
379  *
380  * The reference key can be for example an id to an external database.
381  * It is stored in the config file, thus can survive to process exits/restarts.
382  *
383 **/
384 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
385         return cl->refkey;
386 }
387
388 /** @} */
389
390 void linphone_call_log_destroy(LinphoneCallLog *cl){
391         if (cl->from!=NULL) linphone_address_destroy(cl->from);
392         if (cl->to!=NULL) linphone_address_destroy(cl->to);
393         if (cl->refkey!=NULL) ms_free(cl->refkey);
394         ms_free(cl);
395 }
396
397 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
398         LinphoneCall *call=lc->call;
399         if (call==NULL) return 0;
400         if (call->media_start_time==0) return 0;
401         return time(NULL)-call->media_start_time;
402 }
403
404 const LinphoneAddress *linphone_core_get_remote_uri(LinphoneCore *lc){
405         LinphoneCall *call=lc->call;
406         if (call==NULL) return 0;
407         return call->dir==LinphoneCallIncoming ? call->log->from : call->log->to;
408 }
409
410 /**
411  * Enable logs in supplied FILE*.
412  *
413  * @ingroup misc
414  *
415  * @param file a C FILE* where to fprintf logs. If null stdout is used.
416  * 
417 **/
418 void linphone_core_enable_logs(FILE *file){
419         if (file==NULL) file=stdout;
420         ortp_set_log_file(file);
421         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
422 }
423
424 /**
425  * Enable logs through the user's supplied log callback.
426  *
427  * @ingroup misc
428  *
429  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
430  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
431  * 
432 **/
433 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
434         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
435         ortp_set_log_handler(logfunc);
436 }
437
438 /**
439  * Entirely disable logging.
440  *
441  * @ingroup misc
442 **/
443 void linphone_core_disable_logs(){
444         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
445 }
446
447
448 static void
449 net_config_read (LinphoneCore *lc)
450 {
451         int tmp;
452         const char *tmpstr;
453         LpConfig *config=lc->config;
454
455         tmp=lp_config_get_int(config,"net","download_bw",0);
456         linphone_core_set_download_bandwidth(lc,tmp);
457         tmp=lp_config_get_int(config,"net","upload_bw",0);
458         linphone_core_set_upload_bandwidth(lc,tmp);
459         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
460         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
461         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
462         linphone_core_set_nat_address(lc,tmpstr);
463         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
464         linphone_core_set_firewall_policy(lc,tmp);
465         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
466         lc->net_conf.nat_sdp_only=tmp;
467         tmp=lp_config_get_int(lc->config,"net","mtu",0);
468         linphone_core_set_mtu(lc,tmp);
469 }
470
471 static void build_sound_devices_table(LinphoneCore *lc){
472         const char **devices;
473         const char **old;
474         int ndev;
475         int i;
476         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
477         ndev=ms_list_size(elem);
478         devices=ms_malloc((ndev+1)*sizeof(const char *));
479         for (i=0;elem!=NULL;elem=elem->next,i++){
480                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
481         }
482         devices[ndev]=NULL;
483         old=lc->sound_conf.cards;
484         lc->sound_conf.cards=devices;
485         if (old!=NULL) ms_free(old);
486 }
487
488 static void sound_config_read(LinphoneCore *lc)
489 {
490         /*int tmp;*/
491         const char *tmpbuf;
492         const char *devid;
493 #ifdef __linux
494         /*alsadev let the user use custom alsa device within linphone*/
495         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
496         if (devid){
497                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
498                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
499         }
500 #endif
501         /* retrieve all sound devices */
502         build_sound_devices_table(lc);
503
504         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
505         linphone_core_set_playback_device(lc,devid);
506
507         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
508         linphone_core_set_ringer_device(lc,devid);
509
510         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
511         linphone_core_set_capture_device(lc,devid);
512
513 /*
514         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
515         linphone_core_set_play_level(lc,tmp);
516         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
517         linphone_core_set_ring_level(lc,tmp);
518         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
519         linphone_core_set_rec_level(lc,tmp);
520         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
521         linphone_core_set_sound_source(lc,tmpbuf[0]);
522 */
523
524         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
525         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
526         if (ortp_file_exist(tmpbuf)==-1) {
527                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
528         }
529         if (strstr(tmpbuf,".wav")==NULL){
530                 /* it currently uses old sound files, so replace them */
531                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
532         }
533
534         linphone_core_set_ring(lc,tmpbuf);
535
536         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
537         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
538         if (ortp_file_exist(tmpbuf)==-1){
539                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
540         }
541         if (strstr(tmpbuf,".wav")==NULL){
542                 /* it currently uses old sound files, so replace them */
543                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
544         }
545         linphone_core_set_ringback(lc,tmpbuf);
546         check_sound_device(lc);
547         lc->sound_conf.latency=0;
548
549         linphone_core_enable_echo_cancellation(lc,
550             lp_config_get_int(lc->config,"sound","echocancelation",0) |
551             lp_config_get_int(lc->config,"sound","echocancellation",0)
552                 );
553
554         linphone_core_enable_echo_limiter(lc,
555                 lp_config_get_int(lc->config,"sound","echolimiter",0));
556         linphone_core_enable_agc(lc,
557                 lp_config_get_int(lc->config,"sound","agc",0));
558 }
559
560 static void sip_config_read(LinphoneCore *lc)
561 {
562         char *contact;
563         const char *tmpstr;
564         int port;
565         int i,tmp;
566         int ipv6;
567         port=lp_config_get_int(lc->config,"sip","use_info",0);
568         linphone_core_set_use_info_for_dtmf(lc,port);
569
570         port=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
571         linphone_core_set_use_rfc2833_for_dtmf(lc,port);
572
573         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
574         if (ipv6==-1){
575                 ipv6=0;
576                 if (host_has_ipv6_network()){
577                         lc->vtable.display_message(lc,_("Your machine appears to be connected to an IPv6 network. By default linphone always uses IPv4. Please update your configuration if you want to use IPv6"));
578                 }
579         }
580         linphone_core_enable_ipv6(lc,ipv6);
581         port=lp_config_get_int(lc->config,"sip","sip_port",5060);
582         linphone_core_set_sip_port(lc,port);
583
584         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
585         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
586                 const char *hostname=NULL;
587                 const char *username=NULL;
588 #ifdef HAVE_GETENV
589                 hostname=getenv("HOST");
590                 username=getenv("USER");
591                 if (hostname==NULL) hostname=getenv("HOSTNAME");
592 #endif /*HAVE_GETENV*/
593                 if (hostname==NULL)
594                         hostname="unknown-host";
595                 if (username==NULL){
596                         username="toto";
597                 }
598                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
599                 linphone_core_set_primary_contact(lc,contact);
600                 ms_free(contact);
601         }
602
603         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
604         linphone_core_set_guess_hostname(lc,tmp);
605
606
607         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
608         linphone_core_set_inc_timeout(lc,tmp);
609
610         /* get proxies config */
611         for(i=0;; i++){
612                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
613                 if (cfg!=NULL){
614                         linphone_core_add_proxy_config(lc,cfg);
615                 }else{
616                         break;
617                 }
618         }
619         /* get the default proxy */
620         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
621         linphone_core_set_default_proxy_index(lc,tmp);
622
623         /* read authentication information */
624         for(i=0;; i++){
625                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
626                 if (ai!=NULL){
627                         linphone_core_add_auth_info(lc,ai);
628                 }else{
629                         break;
630                 }
631         }
632         
633         /*for test*/
634         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
635         lc->sip_conf.only_one_codec=lp_config_get_int(lc->config,"sip","only_one_codec",0);
636         lc->sip_conf.register_only_when_network_is_up=
637                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
638 }
639
640 static void rtp_config_read(LinphoneCore *lc)
641 {
642         int port;
643         int jitt_comp;
644         int nortp_timeout;
645         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
646         linphone_core_set_audio_port(lc,port);
647
648         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
649         if (port==0) port=9078;
650         linphone_core_set_video_port(lc,port);
651
652         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
653         linphone_core_set_audio_jittcomp(lc,jitt_comp);
654         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
655         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
656         linphone_core_set_nortp_timeout(lc,nortp_timeout);
657 }
658
659 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
660         PayloadType *candidate=NULL;
661         int i;
662         PayloadType *it;
663         for(i=0;i<127;++i){
664                 it=rtp_profile_get_payload(prof,i);
665                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
666                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
667                         if ( (recv_fmtp && it->recv_fmtp && strcasecmp(recv_fmtp,it->recv_fmtp)==0) ||
668                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
669                                 /*exact match*/
670                                 return it;
671                         }else candidate=it;
672                 }
673         }
674         return candidate;
675 }
676
677 static bool_t get_codec(LpConfig *config, char* type, int index, PayloadType **ret){
678         char codeckey[50];
679         const char *mime,*fmtp;
680         int rate,enabled;
681         PayloadType *pt;
682
683         *ret=NULL;
684         snprintf(codeckey,50,"%s_%i",type,index);
685         mime=lp_config_get_string(config,codeckey,"mime",NULL);
686         if (mime==NULL || strlen(mime)==0 ) return FALSE;
687
688         rate=lp_config_get_int(config,codeckey,"rate",8000);
689         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
690         enabled=lp_config_get_int(config,codeckey,"enabled",1);
691         pt=find_payload(&av_profile,mime,rate,fmtp);
692         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
693         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
694         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
695                         mime,rate,fmtp ? fmtp : "");
696         *ret=pt;
697         return TRUE;
698 }
699
700 static const char *codec_pref_order[]={
701         "speex",
702         "gsm",
703         "pcmu",
704         "pcma",
705         "H264",
706         "MP4V-ES",
707         "theora",
708         "H263-1998",
709         "H263",
710         NULL,
711 };
712
713 static int find_codec_rank(const char *mime){
714         int i;
715         for(i=0;codec_pref_order[i]!=NULL;++i){
716                 if (strcasecmp(codec_pref_order[i],mime)==0)
717                         break;
718         }
719         return i;
720 }
721
722 static int codec_compare(const PayloadType *a, const PayloadType *b){
723         int ra,rb;
724         ra=find_codec_rank(a->mime_type);
725         rb=find_codec_rank(b->mime_type);
726         if (ra>rb) return 1;
727         if (ra<rb) return -1;
728         return 0;
729 }
730
731 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
732         int i;
733         for(i=0;i<127;++i){
734                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
735                 if (pt){
736                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
737                                 pt=NULL;
738                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED 
739                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
740                                 pt=NULL;
741                         }
742                         if (pt && ms_filter_codec_supported(pt->mime_type)){
743                                 if (ms_list_find(l,pt)==NULL){
744                                         payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
745                                         ms_message("Adding new codec %s/%i with fmtp %s",
746                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
747                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
748                                 }
749                         }
750                 }
751         }
752         return l;
753 }
754
755 static void codecs_config_read(LinphoneCore *lc)
756 {
757         int i;
758         PayloadType *pt;
759         MSList *audio_codecs=NULL;
760         MSList *video_codecs=NULL;
761         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
762                 if (pt){
763                         if (!ms_filter_codec_supported(pt->mime_type)){
764                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
765                         }else audio_codecs=ms_list_append(audio_codecs,pt);
766                 }
767         }
768         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
769         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
770                 if (pt){
771                         if (!ms_filter_codec_supported(pt->mime_type)){
772                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
773                         }else video_codecs=ms_list_append(video_codecs,(void *)pt);
774                 }
775         }
776         video_codecs=add_missing_codecs(SalVideo,video_codecs);
777         linphone_core_set_audio_codecs(lc,audio_codecs);
778         linphone_core_set_video_codecs(lc,video_codecs);
779         linphone_core_update_allocated_audio_bandwidth(lc);
780 }
781
782 static void video_config_read(LinphoneCore *lc){
783         int capture, display, self_view;
784         int enabled;
785         const char *str;
786         int ndev;
787         const char **devices;
788         const MSList *elem;
789         int i;
790
791         /* retrieve all video devices */
792         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
793         ndev=ms_list_size(elem);
794         devices=ms_malloc((ndev+1)*sizeof(const char *));
795         for (i=0;elem!=NULL;elem=elem->next,i++){
796                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
797         }
798         devices[ndev]=NULL;
799         lc->video_conf.cams=devices;
800
801         str=lp_config_get_string(lc->config,"video","device",NULL);
802         if (str && str[0]==0) str=NULL;
803         linphone_core_set_video_device(lc,str);
804
805         linphone_core_set_preferred_video_size_by_name(lc,
806                 lp_config_get_string(lc->config,"video","size","cif"));
807
808         enabled=lp_config_get_int(lc->config,"video","enabled",1);
809         capture=lp_config_get_int(lc->config,"video","capture",enabled);
810         display=lp_config_get_int(lc->config,"video","display",enabled);
811         self_view=lp_config_get_int(lc->config,"video","self_view",enabled);
812 #ifdef VIDEO_ENABLED
813         linphone_core_enable_video(lc,capture,display);
814         linphone_core_enable_self_view(lc,self_view);
815 #endif
816 }
817
818 static void ui_config_read(LinphoneCore *lc)
819 {
820         LinphoneFriend *lf;
821         int i;
822         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
823                 linphone_core_add_friend(lc,lf);
824         }
825         call_logs_read_from_config_file(lc);
826 }
827
828 /*
829 static void autoreplier_config_init(LinphoneCore *lc)
830 {
831         autoreplier_config_t *config=&lc->autoreplier_conf;
832         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
833         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
834         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
835         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
836         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
837         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
838 }
839 */
840
841 /**
842  * Sets maximum available download bandwidth
843  *
844  * @ingroup media_parameters
845  *
846  * This is IP bandwidth, in kbit/s.
847  * This information is used signaled to other parties during
848  * calls (within SDP messages) so that the remote end can have
849  * sufficient knowledge to properly configure its audio & video
850  * codec output bitrate to not overflow available bandwidth.
851  *
852  * @param lc the LinphoneCore object
853  * @param bw the bandwidth in kbits/s, 0 for infinite
854  */
855 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
856         lc->net_conf.download_bw=bw;
857         if (bw==0){ /*infinite*/
858                 lc->dw_audio_bw=-1;
859                 lc->dw_video_bw=-1;
860         }else {
861                 lc->dw_audio_bw=MIN(lc->audio_bw,bw);
862                 lc->dw_video_bw=MAX(bw-lc->dw_audio_bw-10,0);/*-10: security margin*/
863         }
864 }
865
866 /**
867  * Sets maximum available upload bandwidth
868  *
869  * @ingroup media_parameters
870  *
871  * This is IP bandwidth, in kbit/s.
872  * This information is used by liblinphone together with remote
873  * side available bandwidth signaled in SDP messages to properly
874  * configure audio & video codec's output bitrate.
875  *
876  * @param lc the LinphoneCore object
877  * @param bw the bandwidth in kbits/s, 0 for infinite
878  */
879 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
880         lc->net_conf.upload_bw=bw;
881         if (bw==0){ /*infinite*/
882                 lc->up_audio_bw=-1;
883                 lc->up_video_bw=-1;
884         }else{
885                 lc->up_audio_bw=MIN(lc->audio_bw,bw);
886                 lc->up_video_bw=MAX(bw-lc->up_audio_bw-10,0);/*-10: security margin*/
887         }
888 }
889
890 /**
891  * Retrieve the maximum available download bandwidth.
892  *
893  * @ingroup media_parameters
894  *
895  * This value was set by linphone_core_set_download_bandwidth().
896  *
897 **/
898 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
899         return lc->net_conf.download_bw;
900 }
901
902 /**
903  * Retrieve the maximum available upload bandwidth.
904  *
905  * @ingroup media_parameters
906  *
907  * This value was set by linphone_core_set_upload_bandwidth().
908  *
909 **/
910 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
911         return lc->net_conf.upload_bw;
912 }
913
914 /**
915  * Returns liblinphone's version as a string.
916  *
917  * @ingroup misc
918  *
919 **/
920 const char * linphone_core_get_version(void){
921         return liblinphone_version;
922 }
923
924
925 static MSList *linphone_payload_types=NULL;
926
927 static void linphone_core_assign_payload_type(PayloadType *const_pt, int number, const char *recv_fmtp){
928         PayloadType *pt;
929         pt=payload_type_clone(const_pt);
930         payload_type_set_number(pt,number);
931         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
932         rtp_profile_set_payload(&av_profile,number,pt);
933         linphone_payload_types=ms_list_append(linphone_payload_types,pt);
934 }
935
936 static void linphone_core_free_payload_types(void){
937         ms_list_for_each(linphone_payload_types,(void (*)(void*))payload_type_destroy);
938         ms_list_free(linphone_payload_types);
939         linphone_payload_types=NULL;
940 }
941
942 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path, 
943     const char *factory_config_path, void * userdata)
944 {
945         memset (lc, 0, sizeof (LinphoneCore));
946         lc->data=userdata;
947
948         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
949
950         gstate_initialize(lc);
951         gstate_new_state(lc, GSTATE_POWER_STARTUP, NULL);
952
953         ortp_init();
954         linphone_core_assign_payload_type(&payload_type_pcmu8000,0,NULL);
955         linphone_core_assign_payload_type(&payload_type_gsm,3,NULL);
956         linphone_core_assign_payload_type(&payload_type_pcma8000,8,NULL);
957         linphone_core_assign_payload_type(&payload_type_lpc1015,115,NULL);
958         linphone_core_assign_payload_type(&payload_type_speex_nb,110,"vbr=on");
959         linphone_core_assign_payload_type(&payload_type_speex_wb,111,"vbr=on");
960         linphone_core_assign_payload_type(&payload_type_speex_uwb,112,"vbr=on");
961         linphone_core_assign_payload_type(&payload_type_telephone_event,101,"0-11");
962         linphone_core_assign_payload_type(&payload_type_ilbc,113,"mode=30");
963
964 #ifdef ENABLE_NONSTANDARD_GSM
965         {
966                 PayloadType *pt;
967                 pt=payload_type_clone(&payload_type_gsm);
968                 pt->clock_rate=11025;
969                 rtp_profile_set_payload(&av_profile,114,pt);
970                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
971                 pt=payload_type_clone(&payload_type_gsm);
972                 pt->clock_rate=22050;
973                 rtp_profile_set_payload(&av_profile,115,pt);
974                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
975         }
976 #endif
977
978 #ifdef VIDEO_ENABLED
979         linphone_core_assign_payload_type(&payload_type_h263,34,NULL);
980         linphone_core_assign_payload_type(&payload_type_theora,97,NULL);
981         linphone_core_assign_payload_type(&payload_type_h263_1998,98,"CIF=1;QCIF=1");
982         linphone_core_assign_payload_type(&payload_type_mp4v,99,"profile-level-id=3");
983         linphone_core_assign_payload_type(&payload_type_x_snow,100,NULL);
984         linphone_core_assign_payload_type(&payload_type_h264,102,NULL);
985         linphone_core_assign_payload_type(&payload_type_h264,103,"packetization-mode=1");
986 #endif
987
988         ms_init();
989
990         lc->config=lp_config_new(config_path);
991         if (factory_config_path)
992                 lp_config_read_file(lc->config,factory_config_path);
993
994         lc->sal=sal_init();
995         sal_set_user_pointer(lc->sal,lc);
996         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
997         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
998                 sal_use_session_timers(lc->sal,200);
999         }
1000         sip_setup_register_all();
1001         sound_config_read(lc);
1002         net_config_read(lc);
1003         rtp_config_read(lc);
1004         codecs_config_read(lc);
1005         sip_config_read(lc); /* this will start eXosip*/
1006         video_config_read(lc);
1007         //autoreplier_config_init(&lc->autoreplier_conf);
1008         lc->prev_mode=LINPHONE_STATUS_ONLINE;
1009         lc->presence_mode=LINPHONE_STATUS_ONLINE;
1010         lc->max_call_logs=15;
1011         ui_config_read(lc);
1012         lc->vtable.display_status(lc,_("Ready"));
1013         gstate_new_state(lc, GSTATE_POWER_ON, NULL);
1014         lc->auto_net_state_mon=TRUE;
1015     lc->ready=TRUE;
1016 }
1017
1018 /**
1019  * Instanciates a LinphoneCore object.
1020  * @ingroup initializing
1021  * 
1022  * The LinphoneCore object is the primary handle for doing all phone actions.
1023  * It should be unique within your application.
1024  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1025  * @param config_path a path to a config file. If it does not exists it will be created.
1026  *        The config file is used to store all user settings, call logs, friends, proxies...
1027  * @param factory_config_path a path to a read-only config file that can be used to 
1028  *        to store hard-coded preference such as proxy settings or internal preferences.
1029  *        The settings in this factory file always override the one in the normal config file.
1030  *        It is OPTIONAL, use NULL if unneeded.
1031  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1032  *        callbacks) using linphone_core_get_user_data().
1033  * 
1034 **/
1035 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1036                                                 const char *config_path, const char *factory_config_path, void * userdata)
1037 {
1038         LinphoneCore *core=ms_new(LinphoneCore,1);
1039         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1040         return core;
1041 }
1042
1043 /**
1044  * Returns the list of available audio codecs.
1045  *
1046  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1047  * structure holding the codec information.
1048  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1049  * (such as the order of codecs).
1050 **/
1051 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1052 {
1053         return lc->codecs_conf.audio_codecs;
1054 }
1055
1056 /**
1057  * Returns the list of available video codecs.
1058  *
1059  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1060  * structure holding the codec information.
1061  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1062  * (such as the order of codecs).
1063 **/
1064 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1065 {
1066         return lc->codecs_conf.video_codecs;
1067 }
1068
1069 /**
1070  * Sets the local "from" identity.
1071  *
1072  * @ingroup proxies
1073  * This data is used in absence of any proxy configuration or when no
1074  * default proxy configuration is set. See LinphoneProxyConfig
1075 **/
1076 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1077 {
1078         LinphoneAddress *ctt;
1079
1080         if ((ctt=linphone_address_new(contact))==0) {
1081                 ms_error("Bad contact url: %s",contact);
1082                 return -1;
1083         }
1084         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1085         lc->sip_conf.contact=ms_strdup(contact);
1086         if (lc->sip_conf.guessed_contact!=NULL){
1087                 ms_free(lc->sip_conf.guessed_contact);
1088                 lc->sip_conf.guessed_contact=NULL;
1089         }
1090         linphone_address_destroy(ctt);
1091         return 0;
1092 }
1093
1094
1095 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1096 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1097         if (linphone_core_get_firewall_policy(lc)==LINPHONE_POLICY_USE_NAT_ADDRESS){
1098                 strncpy(result,linphone_core_get_nat_address(lc),LINPHONE_IPADDR_SIZE);
1099                 return;
1100         }
1101         if (dest==NULL) dest="87.98.157.38"; /*a public IP address*/
1102         if (linphone_core_get_local_ip_for(dest,result)==0)
1103                 return;
1104         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1105         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1106 }
1107
1108 static void update_primary_contact(LinphoneCore *lc){
1109         char *guessed=NULL;
1110         char tmp[LINPHONE_IPADDR_SIZE];
1111
1112         LinphoneAddress *url;
1113         if (lc->sip_conf.guessed_contact!=NULL){
1114                 ms_free(lc->sip_conf.guessed_contact);
1115                 lc->sip_conf.guessed_contact=NULL;
1116         }
1117         url=linphone_address_new(lc->sip_conf.contact);
1118         if (!url){
1119                 ms_error("Could not parse identity contact !");
1120                 url=linphone_address_new("sip:unknown@unkwownhost");
1121         }
1122         linphone_core_get_local_ip(lc, NULL, tmp);
1123         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1124                 ms_warning("Local loopback network only !");
1125                 lc->sip_conf.loopback_only=TRUE;
1126         }else lc->sip_conf.loopback_only=FALSE;
1127         linphone_address_set_domain(url,tmp);
1128         linphone_address_set_port_int(url,lc->sip_conf.sip_port);
1129         guessed=linphone_address_as_string(url);
1130         lc->sip_conf.guessed_contact=guessed;
1131         linphone_address_destroy(url);
1132 }
1133
1134 /**
1135  * Returns the default identity when no proxy configuration is used.
1136  *
1137  * @ingroup proxies
1138 **/
1139 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1140         char *identity;
1141         
1142         if (lc->sip_conf.guess_hostname){
1143                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1144                         update_primary_contact(lc);
1145                 }
1146                 identity=lc->sip_conf.guessed_contact;
1147         }else{
1148                 identity=lc->sip_conf.contact;
1149         }
1150         return identity;
1151 }
1152
1153 /**
1154  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1155  *
1156  * @ingroup proxies
1157 **/
1158 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1159         lc->sip_conf.guess_hostname=val;
1160 }
1161
1162 /**
1163  * Returns TRUE if hostname part of primary contact is guessed automatically.
1164  *
1165  * @ingroup proxies
1166 **/
1167 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1168         return lc->sip_conf.guess_hostname;
1169 }
1170
1171 /**
1172  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1173  * instead of const char*
1174  *
1175  * @ingroup proxies
1176 **/
1177 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1178         return linphone_address_new(linphone_core_get_primary_contact(lc));
1179 }
1180
1181 /**
1182  * Sets the list of audio codecs.
1183  *
1184  * @ingroup media_parameters
1185  * The list is taken by the LinphoneCore thus the application should not free it.
1186  * This list is made of struct PayloadType describing the codec parameters.
1187 **/
1188 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1189 {
1190         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1191         lc->codecs_conf.audio_codecs=codecs;
1192         return 0;
1193 }
1194
1195 /**
1196  * Sets the list of video codecs.
1197  *
1198  * @ingroup media_parameters
1199  * The list is taken by the LinphoneCore thus the application should not free it.
1200  * This list is made of struct PayloadType describing the codec parameters.
1201 **/
1202 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1203 {
1204         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1205         lc->codecs_conf.video_codecs=codecs;
1206         return 0;
1207 }
1208
1209 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1210 {
1211         return lc->friends;
1212 }
1213
1214 /**
1215  * Returns the nominal jitter buffer size in milliseconds.
1216  *
1217  * @ingroup media_parameters
1218 **/
1219 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1220 {
1221         return lc->rtp_conf.audio_jitt_comp;
1222 }
1223
1224 /**
1225  * Returns the UDP port used for audio streaming.
1226  *
1227  * @ingroup network_parameters
1228 **/
1229 int linphone_core_get_audio_port(const LinphoneCore *lc)
1230 {
1231         return lc->rtp_conf.audio_rtp_port;
1232 }
1233
1234 /**
1235  * Returns the UDP port used for video streaming.
1236  *
1237  * @ingroup network_parameters
1238 **/
1239 int linphone_core_get_video_port(const LinphoneCore *lc){
1240         return lc->rtp_conf.video_rtp_port;
1241 }
1242
1243
1244 /**
1245  * Returns the value in seconds of the no-rtp timeout.
1246  *
1247  * @ingroup media_parameters
1248  * When no RTP or RTCP packets have been received for a while
1249  * LinphoneCore will consider the call is broken (remote end crashed or
1250  * disconnected from the network), and thus will terminate the call.
1251  * The no-rtp timeout is the duration above which the call is considered broken.
1252 **/
1253 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1254         return lc->rtp_conf.nortp_timeout;
1255 }
1256
1257 /**
1258  * Sets the nominal audio jitter buffer size in milliseconds.
1259  *
1260  * @ingroup media_parameters
1261 **/
1262 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1263 {
1264         lc->rtp_conf.audio_jitt_comp=value;
1265 }
1266
1267 /**
1268  * Sets the UDP port used for audio streaming.
1269  *
1270  * @ingroup network_parameters
1271 **/
1272 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1273 {
1274         lc->rtp_conf.audio_rtp_port=port;
1275 }
1276
1277 /**
1278  * Sets the UDP port used for video streaming.
1279  *
1280  * @ingroup network_parameters
1281 **/
1282 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1283         lc->rtp_conf.video_rtp_port=port;
1284 }
1285
1286 /**
1287  * Sets the no-rtp timeout value in seconds.
1288  * 
1289  * @ingroup media_parameters
1290  * See linphone_core_get_nortp_timeout() for details.
1291 **/
1292 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1293         lc->rtp_conf.nortp_timeout=nortp_timeout;
1294 }
1295
1296 /**
1297  * Indicates whether SIP INFO is used for sending digits.
1298  *
1299  * @ingroup media_parameters
1300 **/
1301 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1302 {
1303         return lc->sip_conf.use_info;
1304 }
1305
1306 /**
1307  * Sets whether SIP INFO is to be used for sending digits.
1308  *
1309  * @ingroup media_parameters
1310 **/
1311 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1312 {
1313         lc->sip_conf.use_info=use_info;
1314 }
1315
1316 /**
1317  * Indicates whether RFC2833 is used for sending digits.
1318  *
1319  * @ingroup media_parameters
1320 **/
1321 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1322 {
1323         return lc->sip_conf.use_rfc2833;
1324 }
1325
1326 /**
1327  * Sets whether RFC2833 is to be used for sending digits.
1328  *
1329  * @ingroup media_parameters
1330 **/
1331 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1332 {
1333         lc->sip_conf.use_rfc2833=use_rfc2833;
1334 }
1335
1336 /**
1337  * Returns the UDP port used by SIP.
1338  *
1339  * @ingroup network_parameters
1340 **/
1341 int linphone_core_get_sip_port(LinphoneCore *lc)
1342 {
1343         return lc->sip_conf.sip_port;
1344 }
1345
1346 static bool_t exosip_running=FALSE;
1347 static char _ua_name[64]="Linphone";
1348 static char _ua_version[64]=LINPHONE_VERSION;
1349
1350 #ifdef HAVE_EXOSIP_GET_VERSION
1351 extern const char *eXosip_get_version();
1352 #endif
1353
1354 static void apply_user_agent(LinphoneCore *lc){
1355         char ua_string[256];
1356         snprintf(ua_string,sizeof(ua_string),"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1357 #ifdef HAVE_EXOSIP_GET_VERSION
1358                  eXosip_get_version()
1359 #else
1360                  "unknown"
1361 #endif
1362         );
1363         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1364 }
1365
1366 /**
1367  * Sets the user agent string used in SIP messages.
1368  *
1369  * @ingroup misc
1370 **/
1371 void linphone_core_set_user_agent(const char *name, const char *ver){
1372         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1373         strncpy(_ua_version,ver,sizeof(_ua_version));
1374 }
1375
1376 /**
1377  * Sets the UDP port to be used by SIP.
1378  *
1379  * @ingroup network_parameters
1380 **/
1381 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1382 {
1383         const char *anyaddr;
1384         int err=0;
1385         if (port==lc->sip_conf.sip_port) return;
1386         lc->sip_conf.sip_port=port;
1387
1388         if (lc->sal==NULL) return;
1389         
1390         if (lc->sip_conf.ipv6_enabled)
1391                 anyaddr="::0";
1392         else
1393                 anyaddr="0.0.0.0";
1394         err=sal_listen_port (lc->sal,anyaddr,port, SalTransportDatagram,FALSE);
1395         if (err<0){
1396                 char *msg=ortp_strdup_printf("UDP port %i seems already in use ! Cannot initialize.",port);
1397                 ms_warning(msg);
1398                 lc->vtable.display_warning(lc,msg);
1399                 ms_free(msg);
1400                 return;
1401         }
1402         apply_user_agent(lc);
1403 }
1404
1405 /**
1406  * Returns TRUE if IPv6 is enabled.
1407  *
1408  * @ingroup network_parameters
1409  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1410 **/
1411 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1412         return lc->sip_conf.ipv6_enabled;
1413 }
1414
1415 /**
1416  * Turns IPv6 support on or off.
1417  *
1418  * @ingroup network_parameters
1419  *
1420  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1421  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1422  * By default IPv6 support is off.
1423 **/
1424 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1425         if (lc->sip_conf.ipv6_enabled!=val){
1426                 lc->sip_conf.ipv6_enabled=val;
1427                 if (lc->sal){
1428                         /* we need to restart eXosip */
1429                         linphone_core_set_sip_port(lc, lc->sip_conf.sip_port);
1430                 }
1431         }
1432 }
1433
1434 static void display_bandwidth(RtpSession *as, RtpSession *vs){
1435         ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
1436         (as!=NULL) ? (rtp_session_compute_recv_bandwidth(as)*1e-3) : 0,
1437         (as!=NULL) ? (rtp_session_compute_send_bandwidth(as)*1e-3) : 0,
1438         (vs!=NULL) ? (rtp_session_compute_recv_bandwidth(vs)*1e-3) : 0,
1439         (vs!=NULL) ? (rtp_session_compute_send_bandwidth(vs)*1e-3) : 0);
1440 }
1441
1442 static void linphone_core_disconnected(LinphoneCore *lc){
1443         lc->vtable.display_warning(lc,_("Remote end seems to have disconnected, the call is going to be closed."));
1444         linphone_core_terminate_call(lc,NULL);
1445 }
1446
1447 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1448         static time_t last_check=0;
1449         static bool_t last_status=FALSE;
1450         char result[LINPHONE_IPADDR_SIZE];
1451         bool_t new_status;
1452
1453         /* only do the network up checking every five seconds */
1454         if (last_check==0 || (curtime-last_check)>=5){
1455                 sal_get_default_local_ip(lc->sal,
1456                     lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,
1457                     result,LINPHONE_IPADDR_SIZE);
1458                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1459                         new_status=TRUE;
1460                 }else new_status=FALSE;
1461                 last_check=curtime;
1462                 if (new_status!=last_status) {
1463                         set_network_reachable(lc,new_status);
1464                         last_status=new_status;
1465                 }
1466         }
1467 }
1468
1469 static void proxy_update(LinphoneCore *lc){
1470         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1471 }
1472
1473 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1474         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1475         if (lf!=NULL){
1476                 lf->info=info;
1477                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1478                 if (lc->vtable.buddy_info_updated)
1479                         lc->vtable.buddy_info_updated(lc,lf);
1480         }else{
1481                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1482         }
1483 }
1484
1485 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1486         MSList *elem;
1487         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1488         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1489                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1490                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1491                         if (req->results!=NULL){
1492                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1493                                 ms_list_free(req->results);
1494                                 req->results=NULL;
1495                                 assign_buddy_info(lc,i);
1496                         }
1497                         sip_setup_context_buddy_lookup_free(ctx,req);
1498                         elem->data=NULL;
1499                 }
1500         }
1501         /*purge completed requests */
1502         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1503                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1504         }
1505 }
1506
1507 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1508         const MSList *elem;
1509         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1510         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1511                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1512                 if (lf->info==NULL){
1513                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1514                                 if (linphone_address_get_username(lf->uri)!=NULL){
1515                                         BuddyLookupRequest *req;
1516                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1517                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1518                                         buddy_lookup_request_set_key(req,tmp);
1519                                         buddy_lookup_request_set_max_results(req,1);
1520                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1521                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1522                                         ms_free(tmp);
1523                                 }
1524                         }
1525                 }
1526         }
1527 }
1528
1529 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1530         LinphoneProxyConfig *cfg=NULL;
1531         linphone_core_get_default_proxy(lc,&cfg);
1532         if (cfg){
1533                 if (lc->bl_refresh){
1534                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1535                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1536                                 linphone_core_grab_buddy_infos(lc,cfg);
1537                                 lc->bl_refresh=FALSE;
1538                         }
1539                 }
1540                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1541         }
1542 }
1543
1544 /**
1545  * Main loop function. It is crucial that your application call it periodically.
1546  *
1547  * @ingroup initializing
1548  * linphone_core_iterate() performs various backgrounds tasks:
1549  * - receiving of SIP messages
1550  * - handles timers and timeout
1551  * - performs registration to proxies
1552  * - authentication retries
1553  * The application MUST call this function from periodically, in its main loop.
1554  * Be careful that this function must be call from the same thread as
1555  * other liblinphone methods. In not the case make sure all liblinphone calls are 
1556  * serialized with a mutex.
1557 **/
1558 void linphone_core_iterate(LinphoneCore *lc){
1559         int disconnect_timeout = linphone_core_get_nortp_timeout(lc);
1560         time_t curtime=time(NULL);
1561         int elapsed;
1562         bool_t one_second_elapsed=FALSE;
1563         bool_t disconnected=FALSE;
1564
1565         if (curtime-lc->prevtime>=1){
1566                 lc->prevtime=curtime;
1567                 one_second_elapsed=TRUE;
1568         }
1569
1570         if (lc->preview_finished){
1571                 lc->preview_finished=0;
1572                 ring_stop(lc->ringstream);
1573                 lc->ringstream=NULL;
1574                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1575         }
1576
1577         sal_iterate(lc->sal);
1578         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1579
1580         proxy_update(lc);
1581
1582         if (lc->call!=NULL){
1583                 LinphoneCall *call=lc->call;
1584
1585                 if (call->dir==LinphoneCallIncoming && call->state==LCStateRinging){
1586                         elapsed=curtime-call->start_time;
1587                         ms_message("incoming call ringing for %i seconds",elapsed);
1588                         if (elapsed>lc->sip_conf.inc_timeout){
1589                                 linphone_core_terminate_call(lc,NULL);
1590                         }
1591                 }else if (call->state==LCStateAVRunning){
1592                         if (one_second_elapsed){
1593                                 RtpSession *as=NULL,*vs=NULL;
1594                                 lc->prevtime=curtime;
1595                                 if (lc->audiostream!=NULL)
1596                                         as=lc->audiostream->session;
1597                                 if (lc->videostream!=NULL)
1598                                         vs=lc->videostream->session;
1599                                 display_bandwidth(as,vs);
1600                         }
1601 #ifdef VIDEO_ENABLED
1602                         if (lc->videostream!=NULL)
1603                                 video_stream_iterate(lc->videostream);
1604 #endif
1605                         if (lc->audiostream!=NULL && disconnect_timeout>0)
1606                                 disconnected=!audio_stream_alive(lc->audiostream,disconnect_timeout);
1607                 }
1608         }
1609         if (linphone_core_video_preview_enabled(lc)){
1610                 if (lc->previewstream==NULL)
1611                         toggle_video_preview(lc,TRUE);
1612 #ifdef VIDEO_ENABLED
1613                 else video_stream_iterate(lc->previewstream);
1614 #endif
1615         }else{
1616                 if (lc->previewstream!=NULL)
1617                         toggle_video_preview(lc,FALSE);
1618         }
1619         if (disconnected)
1620                 linphone_core_disconnected(lc);
1621
1622         linphone_core_do_plugin_tasks(lc);
1623
1624         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1625                 lp_config_sync(lc->config);
1626         }
1627 }
1628
1629
1630 bool_t linphone_core_interpret_url(LinphoneCore *lc, const char *url, LinphoneAddress **real_parsed_url, char **route){
1631         enum_lookup_res_t *enumres=NULL;
1632         LinphoneAddress *parsed_url=NULL;       
1633         char *enum_domain=NULL;
1634         LinphoneProxyConfig *proxy=lc->default_proxy;;
1635         char *tmpurl;
1636         const char *tmproute;
1637         LinphoneAddress *uri;
1638         
1639         if (real_parsed_url!=NULL) *real_parsed_url=NULL;
1640         *route=NULL;
1641         tmproute=linphone_core_get_route(lc);
1642
1643         if (is_enum(url,&enum_domain)){
1644                 lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1645                 if (enum_lookup(enum_domain,&enumres)<0){
1646                         lc->vtable.display_status(lc,_("Could not resolve this number."));
1647                         ms_free(enum_domain);
1648                         return FALSE;
1649                 }
1650                 ms_free(enum_domain);
1651                 tmpurl=enumres->sip_address[0];
1652                 if (real_parsed_url!=NULL) *real_parsed_url=linphone_address_new(tmpurl);
1653                 enum_lookup_res_free(enumres);
1654                 if (tmproute) *route=ms_strdup(tmproute);
1655                 return TRUE;
1656         }
1657         /* check if we have a "sip:" */
1658         if (strstr(url,"sip:")==NULL){
1659                 /* this doesn't look like a true sip uri */
1660                 if (strchr(url,'@')!=NULL){
1661                         /* seems like sip: is missing !*/
1662                         tmpurl=ms_strdup_printf("sip:%s",url);
1663                         uri=linphone_address_new(tmpurl);
1664                         ms_free(tmpurl);
1665                         if (uri){
1666                                 if (real_parsed_url!=NULL) *real_parsed_url=uri;
1667                                 return TRUE;
1668                         }
1669                 }
1670                 
1671                 if (proxy!=NULL){
1672                         /* append the proxy domain suffix */
1673                         const char *identity=linphone_proxy_config_get_identity(proxy);
1674                         char normalized_username[128];
1675                         uri=linphone_address_new(identity);
1676                         if (uri==NULL){
1677                                 return FALSE;
1678                         }
1679                         linphone_address_set_display_name(uri,NULL);
1680                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1681                                                                 sizeof(normalized_username));
1682                         linphone_address_set_username(uri,normalized_username);
1683                                                                                 
1684                         if (real_parsed_url!=NULL) *real_parsed_url=uri;
1685                         if (tmproute) *route=ms_strdup(tmproute);
1686                         return TRUE;
1687                 }else return FALSE;
1688         }
1689         parsed_url=linphone_address_new(url);
1690         if (parsed_url!=NULL){
1691                 if (real_parsed_url!=NULL) *real_parsed_url=parsed_url;
1692                 else linphone_address_destroy(parsed_url);
1693                 if (tmproute) *route=ms_strdup(tmproute);
1694                 
1695                 return TRUE;
1696         }
1697         /* else we could not do anything with url given by user, so display an error */
1698         if (lc->vtable.display_warning!=NULL){
1699                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1700         }
1701         return FALSE;
1702 }
1703
1704 /**
1705  * Returns the default identity SIP address.
1706  *
1707  * @ingroup proxiesb
1708  * This is an helper function:
1709  *
1710  * If no default proxy is set, this will return the primary contact (
1711  * see linphone_core_get_primary_contact() ). If a default proxy is set
1712  * it returns the registered identity on the proxy.
1713 **/
1714 const char * linphone_core_get_identity(LinphoneCore *lc){
1715         LinphoneProxyConfig *proxy=NULL;
1716         const char *from;
1717         linphone_core_get_default_proxy(lc,&proxy);
1718         if (proxy!=NULL) {
1719                 from=linphone_proxy_config_get_identity(proxy);
1720         }else from=linphone_core_get_primary_contact(lc);
1721         return from;
1722 }
1723
1724 const char * linphone_core_get_route(LinphoneCore *lc){
1725         LinphoneProxyConfig *proxy=NULL;
1726         const char *route=NULL;
1727         linphone_core_get_default_proxy(lc,&proxy);
1728         if (proxy!=NULL) {
1729                 route=linphone_proxy_config_get_route(proxy);
1730         }
1731         return route;
1732 }
1733
1734 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1735         const MSList *elem;
1736         LinphoneProxyConfig *found_cfg=NULL;
1737         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1738                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1739                 const char *domain=linphone_proxy_config_get_domain(cfg);
1740                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1741                         found_cfg=cfg;
1742                         break;
1743                 }
1744         }
1745         return found_cfg;
1746 }
1747
1748 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1749         LinphoneAddress *ctt;
1750         const char *localip=call->localip;
1751
1752         if (linphone_core_get_firewall_policy(lc)==LINPHONE_POLICY_USE_NAT_ADDRESS){
1753                 ctt=linphone_core_get_primary_contact_parsed(lc);
1754                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
1755                         linphone_core_get_nat_address(lc));
1756         }
1757         
1758         if (call->op && sal_op_get_contact(call->op)!=NULL){
1759                 return NULL;
1760         }
1761         
1762         if (dest_proxy && dest_proxy->op){
1763                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
1764                 if (fixed_contact) {
1765                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
1766                         return ms_strdup(fixed_contact);
1767                 }
1768         }
1769         ctt=linphone_core_get_primary_contact_parsed(lc);
1770         
1771         if (ctt!=NULL){
1772                 char *ret;
1773                 /*otherwise use supllied localip*/
1774                 linphone_address_set_domain(ctt,localip);
1775                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
1776                 ret=linphone_address_as_string_uri_only(ctt);
1777                 linphone_address_destroy(ctt);
1778                 ms_message("Contact has been fixed using local ip to %s",ret);
1779                 return ret;
1780         }
1781         return NULL;
1782 }
1783
1784 /**
1785  * Initiates an outgoing call
1786  *
1787  * @ingroup call_control
1788  * @param lc the LinphoneCore object
1789  * @param url the destination of the call (sip address).
1790 **/
1791 int linphone_core_invite(LinphoneCore *lc, const char *url)
1792 {
1793         char *barmsg;
1794         int err=0;
1795         char *route=NULL;
1796         const char *from=NULL;
1797         char *contact=NULL;
1798         LinphoneProxyConfig *proxy=NULL;
1799         LinphoneAddress *parsed_url2=NULL;
1800         LinphoneAddress *real_parsed_url=NULL;
1801         char *real_url=NULL;
1802         LinphoneProxyConfig *dest_proxy=NULL;
1803         LinphoneCall *call;
1804         
1805         if (lc->call!=NULL){
1806                 lc->vtable.display_warning(lc,_("Sorry, having multiple simultaneous calls is not supported yet !"));
1807                 return -1;
1808         }
1809
1810         linphone_core_get_default_proxy(lc,&proxy);
1811         if (!linphone_core_interpret_url(lc,url,&real_parsed_url,&route)){
1812                 return -1;
1813         }
1814         real_url=linphone_address_as_string(real_parsed_url);
1815         dest_proxy=linphone_core_lookup_known_proxy(lc,real_parsed_url);
1816
1817         if (proxy!=dest_proxy && dest_proxy!=NULL) {
1818                 ms_message("Overriding default proxy setting for this call:");
1819                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
1820         }
1821
1822         if (dest_proxy!=NULL)
1823                 from=linphone_proxy_config_get_identity(dest_proxy);
1824         else if (proxy!=NULL)
1825                 from=linphone_proxy_config_get_identity(proxy);
1826
1827         /* if no proxy or no identity defined for this proxy, default to primary contact*/
1828         if (from==NULL) from=linphone_core_get_primary_contact(lc);
1829
1830         parsed_url2=linphone_address_new(from);
1831
1832         call=linphone_call_new_outgoing(lc,parsed_url2,real_parsed_url);
1833         sal_op_set_route(call->op,route);
1834
1835         /*try to be best-effort in giving real local or routable contact address */
1836         contact=get_fixed_contact(lc,call,dest_proxy);
1837         if (contact){
1838                 sal_op_set_contact(call->op, contact);
1839                 ms_free(contact);
1840         }
1841
1842         lc->call=call;
1843
1844         linphone_core_init_media_streams(lc,lc->call);
1845         if (!lc->sip_conf.sdp_200_ack){ 
1846                 call->media_pending=TRUE;
1847                 sal_call_set_local_media_description(call->op,call->localdesc);
1848         }
1849         err=sal_call(call->op,from,real_url);
1850
1851         if (lc->sip_conf.sdp_200_ack){
1852                 call->media_pending=TRUE;
1853                 sal_call_set_local_media_description(call->op,call->localdesc);
1854         }
1855         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
1856         lc->vtable.display_status(lc,barmsg);
1857         ms_free(barmsg);
1858         
1859         if (err<0){
1860                 ms_warning("Could not initiate call.");
1861                 lc->vtable.display_status(lc,_("could not call"));
1862                 linphone_core_stop_media_streams(lc,call);
1863                 linphone_call_destroy(call);
1864                 lc->call=NULL;
1865         }else gstate_new_state(lc, GSTATE_CALL_OUT_INVITE, url);
1866
1867         if (real_url!=NULL) ms_free(real_url);
1868         if (route!=NULL) ms_free(route);
1869         return (err<0) ? -1 : 0;
1870 }
1871
1872 int linphone_core_refer(LinphoneCore *lc, const char *url)
1873 {
1874         char *real_url=NULL;
1875         LinphoneAddress *real_parsed_url=NULL;
1876         LinphoneCall *call;
1877         char *route;
1878         if (!linphone_core_interpret_url(lc,url,&real_parsed_url, &route)){
1879                 /* bad url */
1880                 return -1;
1881         }
1882         if (route!=NULL) ms_free(route);
1883         call=lc->call;
1884         if (call==NULL){
1885                 ms_warning("No established call to refer.");
1886                 return -1;
1887         }
1888         lc->call=NULL;
1889         real_url=linphone_address_as_string (real_parsed_url);
1890         sal_refer(call->op,real_url);
1891         ms_free(real_url);
1892         return 0;
1893 }
1894
1895 /**
1896  * Returns true if in incoming call is pending, ie waiting for being answered or declined.
1897  *
1898  * @ingroup call_control
1899 **/
1900 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
1901         if (lc->call!=NULL && lc->call->dir==LinphoneCallIncoming){
1902                 return TRUE;
1903         }
1904         return FALSE;
1905 }
1906
1907 void linphone_core_init_media_streams(LinphoneCore *lc, LinphoneCall *call){
1908         SalMediaDescription *md=call->localdesc;
1909         lc->audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
1910         if (linphone_core_echo_limiter_enabled(lc)){
1911                 const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
1912                 if (strcasecmp(type,"mic")==0)
1913                         audio_stream_enable_echo_limiter(lc->audiostream,ELControlMic);
1914                 else if (strcasecmp(type,"speaker")==0)
1915                         audio_stream_enable_echo_limiter(lc->audiostream,ELControlSpeaker);
1916         }
1917         audio_stream_enable_gain_control(lc->audiostream,TRUE);
1918         if (linphone_core_echo_cancellation_enabled(lc)){
1919                 int len,delay,framesize;
1920                 len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1921                 delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
1922                 framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
1923                 audio_stream_set_echo_canceller_params(lc->audiostream,len,delay,framesize);
1924         }
1925         audio_stream_enable_automatic_gain_control(lc->audiostream,linphone_core_agc_enabled(lc));
1926         {
1927                 int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
1928                 audio_stream_enable_noise_gate(lc->audiostream,enabled);
1929         }
1930         if (lc->a_rtp)
1931                 rtp_session_set_transports(lc->audiostream->session,lc->a_rtp,lc->a_rtcp);
1932
1933 #ifdef VIDEO_ENABLED
1934         if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0)
1935                 lc->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
1936 #else
1937         lc->videostream=NULL;
1938 #endif
1939 }
1940
1941 static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
1942
1943 static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
1944         LinphoneCore* lc = (LinphoneCore*)user_data;
1945         if (dtmf<0 || dtmf>15){
1946                 ms_warning("Bad dtmf value %i",dtmf);
1947                 return;
1948         }
1949         if (lc->vtable.dtmf_received != NULL)
1950                 lc->vtable.dtmf_received(lc, dtmf_tab[dtmf]);
1951 }
1952
1953 static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
1954         if (st->equalizer){
1955                 MSFilter *f=st->equalizer;
1956                 int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
1957                 const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
1958                 ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
1959                 if (enabled){
1960                         if (gains){
1961                                 do{
1962                                         int bytes;
1963                                         MSEqualizerGain g;
1964                                         if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
1965                                                 ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
1966                                                 ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
1967                                                 gains+=bytes;
1968                                         }else break;
1969                                 }while(1);
1970                         }
1971                 }
1972         }
1973 }
1974
1975 static void post_configure_audio_streams(LinphoneCore *lc){
1976         AudioStream *st=lc->audiostream;
1977         float gain=lp_config_get_float(lc->config,"sound","mic_gain",-1);
1978         if (gain!=-1)
1979                 audio_stream_set_mic_gain(st,gain);
1980         if (linphone_core_echo_limiter_enabled(lc)){
1981                 float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
1982                 float thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
1983                 float force=lp_config_get_float(lc->config,"sound","el_force",-1);
1984                 int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
1985                 MSFilter *f=NULL;
1986                 if (st->el_type==ELControlMic){
1987                         f=st->volsend;
1988                         if (speed==-1) speed=0.03;
1989                         if (force==-1) force=10;
1990                 }
1991                 else if (st->el_type==ELControlSpeaker){
1992                         f=st->volrecv;
1993                         if (speed==-1) speed=0.02;
1994                         if (force==-1) force=5;
1995                 }
1996                 if (speed!=-1)
1997                         ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
1998                 if (thres!=-1)
1999                         ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
2000                 if (force!=-1)
2001                         ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
2002                 if (sustain!=-1)
2003                         ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
2004
2005         }
2006         if (st->volsend){
2007                 float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
2008                 float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
2009                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
2010                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
2011         }
2012         parametrize_equalizer(lc,st);
2013         if (lc->vtable.dtmf_received!=NULL){
2014                 /* replace by our default action*/
2015                 audio_stream_play_received_dtmfs(lc->audiostream,FALSE);
2016                 rtp_session_signal_connect(lc->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
2017         }
2018 }
2019
2020 static RtpProfile *make_profile(LinphoneCore *lc, const SalStreamDescription *desc, int *used_pt){
2021         int bw;
2022         const MSList *elem;
2023         RtpProfile *prof=rtp_profile_new("Call profile");
2024         bool_t first=TRUE;
2025         if (desc->type==SalAudio){
2026                 bw=get_min_bandwidth(lc->up_audio_bw,desc->bandwidth);
2027         }
2028         else bw=get_min_bandwidth(lc->up_video_bw,desc->bandwidth);
2029         for(elem=desc->payloads;elem!=NULL;elem=elem->next){
2030                 PayloadType *pt=(PayloadType*)elem->data;
2031                 if (bw>0) pt->normal_bitrate=bw*1000;
2032                 else if (desc->type==SalAudio){
2033                         pt->normal_bitrate=-1;
2034                 }
2035                 if (first) {
2036                         *used_pt=payload_type_get_number(pt);
2037                         first=FALSE;
2038                 }
2039                 if (desc->ptime>0){
2040                         char tmp[40];
2041                         snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
2042                         payload_type_append_send_fmtp(pt,tmp);
2043                 }
2044                 rtp_profile_set_payload(prof,payload_type_get_number(pt),pt);
2045         }
2046         return prof;
2047 }
2048
2049 void linphone_core_start_media_streams(LinphoneCore *lc, LinphoneCall *call){
2050         LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
2051         const char *tool="linphone-" LINPHONE_VERSION;
2052         char *cname;
2053         int used_pt=-1;
2054         /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
2055         int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
2056
2057         if (call->media_start_time==0) call->media_start_time=time(NULL);
2058
2059         cname=linphone_address_as_string_uri_only(me);
2060         {
2061                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
2062                                                         SalProtoRtpAvp,SalAudio);
2063                 if (stream){
2064                         call->audio_profile=make_profile(lc,stream,&used_pt);
2065                         if (!lc->use_files){
2066                                 MSSndCard *playcard=lc->sound_conf.play_sndcard;
2067                                 MSSndCard *captcard=lc->sound_conf.capt_sndcard;
2068                                 if (playcard==NULL) {
2069                                         ms_warning("No card defined for playback !");
2070                                         goto end;
2071                                 }
2072                                 if (captcard==NULL) {
2073                                         ms_warning("No card defined for capture !");
2074                                         goto end;
2075                                 }
2076                                 audio_stream_start_now(
2077                                         lc->audiostream,
2078                                         call->audio_profile,
2079                                         stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
2080                                         stream->port,
2081                                         stream->port+1,
2082                                         used_pt,
2083                                         jitt_comp,
2084                                         playcard,
2085                                         captcard,
2086                                         linphone_core_echo_cancellation_enabled(lc));
2087                         }else{
2088                                 audio_stream_start_with_files(
2089                                         lc->audiostream,
2090                                         call->audio_profile,
2091                                         stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
2092                                         stream->port,
2093                                         stream->port+1,
2094                                         used_pt,
2095                                         100,
2096                                         lc->play_file,
2097                                         lc->rec_file);
2098                         }
2099                         post_configure_audio_streams(lc);
2100                         audio_stream_set_rtcp_information(lc->audiostream, cname, tool);
2101                 }else ms_warning("No audio stream defined ?");
2102         }
2103 #ifdef VIDEO_ENABLED
2104         {
2105                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
2106                                                         SalProtoRtpAvp,SalVideo);
2107                 /* shutdown preview */
2108                 if (lc->previewstream!=NULL) {
2109                         video_preview_stop(lc->previewstream);
2110                         lc->previewstream=NULL;
2111                 }
2112                 if (stream && (lc->video_conf.display || lc->video_conf.capture)) {
2113                         const char *addr=stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr;
2114                         call->video_profile=make_profile(lc,stream,&used_pt);
2115                         video_stream_set_sent_video_size(lc->videostream,linphone_core_get_preferred_video_size(lc));
2116                         video_stream_enable_self_view(lc->videostream,lc->video_conf.selfview);
2117                         if (lc->video_conf.display && lc->video_conf.capture)
2118                                 video_stream_start(lc->videostream,
2119                                 call->video_profile, addr, stream->port,
2120                                 stream->port+1,
2121                                 used_pt, jitt_comp, lc->video_conf.device);
2122                         else if (lc->video_conf.display)
2123                                 video_stream_recv_only_start(lc->videostream,
2124                                 call->video_profile, addr, stream->port,
2125                                 used_pt, jitt_comp);
2126                         else if (lc->video_conf.capture)
2127                                 video_stream_send_only_start(lc->videostream,
2128                                 call->video_profile, addr, stream->port,
2129                                 stream->port+1,
2130                                 used_pt, jitt_comp, lc->video_conf.device);
2131                         video_stream_set_rtcp_information(lc->videostream, cname,tool);
2132                 }
2133         }
2134 #endif
2135         goto end;
2136         end:
2137                 ms_free(cname);
2138                 linphone_address_destroy(me);
2139                 lc->call->state=LCStateAVRunning;
2140 }
2141
2142 void linphone_core_stop_media_streams(LinphoneCore *lc, LinphoneCall *call){
2143         if (lc->audiostream!=NULL) {
2144                 audio_stream_stop(lc->audiostream);
2145                 lc->audiostream=NULL;
2146         }
2147 #ifdef VIDEO_ENABLED
2148         if (lc->videostream!=NULL){
2149                 if (lc->video_conf.display && lc->video_conf.capture)
2150                         video_stream_stop(lc->videostream);
2151                 else if (lc->video_conf.display)
2152                         video_stream_recv_only_stop(lc->videostream);
2153                 else if (lc->video_conf.capture)
2154                         video_stream_send_only_stop(lc->videostream);
2155                 lc->videostream=NULL;
2156         }
2157         if (linphone_core_video_preview_enabled(lc)){
2158                 if (lc->previewstream==NULL){
2159                         lc->previewstream=video_preview_start(lc->video_conf.device, lc->video_conf.vsize);
2160                 }
2161         }
2162 #endif
2163         if (call->audio_profile){
2164                 rtp_profile_clear_all(call->audio_profile);
2165                 rtp_profile_destroy(call->audio_profile);
2166                 call->audio_profile=NULL;
2167         }
2168         if (call->video_profile){
2169                 rtp_profile_clear_all(call->video_profile);
2170                 rtp_profile_destroy(call->video_profile);
2171                 call->video_profile=NULL;
2172         }
2173 }
2174
2175 /**
2176  * Accept an incoming call.
2177  *
2178  * @ingroup call_control
2179  * Basically the application is notified of incoming calls within the
2180  * invite_recv callback of the #LinphoneCoreVTable structure.
2181  * The application can later respond positively to the call using
2182  * this method.
2183  * @param lc the LinphoneCore object
2184  * @param url the SIP address of the originator of the call, or NULL.
2185  *            This argument is useful for managing multiple calls simulatenously,
2186  *            however this feature is not supported yet.
2187  *            Using NULL will accept the unique incoming call in progress.
2188 **/
2189 int linphone_core_accept_call(LinphoneCore *lc, const char *url)
2190 {
2191         LinphoneCall *call=lc->call;
2192         const char *contact=NULL;
2193         
2194         if (call==NULL){
2195                 return -1;
2196         }
2197
2198         if (call->state==LCStateAVRunning){
2199                 /*call already accepted*/
2200                 return -1;
2201         }
2202
2203         /*stop ringing */
2204         if (lc->ringstream!=NULL) {
2205                 ms_message("stop ringing");
2206                 ring_stop(lc->ringstream);
2207                 ms_message("ring stopped");
2208                 lc->ringstream=NULL;
2209         }
2210         
2211         /*try to be best-effort in giving real local or routable contact address*/
2212         contact=get_fixed_contact(lc,call,NULL);
2213         if (contact)
2214                 sal_op_set_contact(call->op,contact);
2215         
2216         sal_call_accept(call->op);
2217         lc->vtable.display_status(lc,_("Connected."));
2218         gstate_new_state(lc, GSTATE_CALL_IN_CONNECTED, NULL);
2219         call->resultdesc=sal_call_get_final_media_description(call->op);
2220         if (call->resultdesc){
2221                 sal_media_description_ref(call->resultdesc);
2222                 linphone_core_start_media_streams(lc, call);
2223         }else call->media_pending=TRUE;
2224         ms_message("call answered.");
2225         return 0;
2226 }
2227
2228 /**
2229  * Terminates a call.
2230  *
2231  * @ingroup call_control
2232  * @param lc The LinphoneCore
2233  * @param url the destination of the call to be terminated, use NULL if there is
2234  *            only one call (which is case in this version of liblinphone).
2235 **/
2236 int linphone_core_terminate_call(LinphoneCore *lc, const char *url)
2237 {
2238         LinphoneCall *call=lc->call;
2239         if (call==NULL){
2240                 return -1;
2241         }
2242         lc->call=NULL;
2243         sal_call_terminate(call->op);
2244
2245         /*stop ringing*/
2246         if (lc->ringstream!=NULL) {
2247                 ring_stop(lc->ringstream);
2248                 lc->ringstream=NULL;
2249         }
2250         linphone_core_stop_media_streams(lc,call);
2251         lc->vtable.display_status(lc,_("Call ended") );
2252         gstate_new_state(lc, GSTATE_CALL_END, NULL);
2253         linphone_call_destroy(call);
2254         return 0;
2255 }
2256
2257 /**
2258  * Returns TRUE if there is a call running or pending.
2259  *
2260  * @ingroup call_control
2261 **/
2262 bool_t linphone_core_in_call(const LinphoneCore *lc){
2263         return lc->call!=NULL;
2264 }
2265
2266 int linphone_core_send_publish(LinphoneCore *lc,
2267                                LinphoneOnlineStatus presence_mode)
2268 {
2269         const MSList *elem;
2270         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2271                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2272                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2273         }
2274         return 0;
2275 }
2276
2277 /**
2278  * Set the incoming call timeout in seconds.
2279  *
2280  * @ingroup call_control
2281  * If an incoming call isn't answered for this timeout period, it is 
2282  * automatically declined.
2283 **/
2284 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2285         lc->sip_conf.inc_timeout=seconds;
2286 }
2287
2288 /**
2289  * Returns the incoming call timeout
2290  *
2291  * @ingroup call_control
2292  * See linphone_core_set_inc_timeout() for details.
2293 **/
2294 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2295         return lc->sip_conf.inc_timeout;
2296 }
2297
2298 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2299                                                                                                         const char *contact,
2300                                                                                                         LinphoneOnlineStatus presence_mode)
2301 {
2302         if (minutes_away>0) lc->minutes_away=minutes_away;
2303         
2304         if (lc->alt_contact!=NULL) {
2305                 ms_free(lc->alt_contact);
2306                 lc->alt_contact=NULL;
2307         }
2308         if (contact) lc->alt_contact=ms_strdup(contact);
2309         if (lc->presence_mode!=presence_mode){
2310                 linphone_core_notify_all_friends(lc,presence_mode);
2311                 /*
2312                    Improve the use of all LINPHONE_STATUS available.
2313                    !TODO Do not mix "presence status" with "answer status code"..
2314                    Use correct parameter to follow sip_if_match/sip_etag.
2315                  */
2316                 linphone_core_send_publish(lc,presence_mode);
2317         }
2318         lc->prev_mode=lc->presence_mode;
2319         lc->presence_mode=presence_mode;
2320 }
2321
2322 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2323         return lc->presence_mode;
2324 }
2325
2326 /**
2327  * Get playback sound level in 0-100 scale.
2328  *
2329  * @ingroup media_parameters
2330 **/
2331 int linphone_core_get_play_level(LinphoneCore *lc)
2332 {
2333         return lc->sound_conf.play_lev;
2334 }
2335
2336 /**
2337  * Get ring sound level in 0-100 scale
2338  *
2339  * @ingroup media_parameters
2340 **/
2341 int linphone_core_get_ring_level(LinphoneCore *lc)
2342 {
2343         return lc->sound_conf.ring_lev;
2344 }
2345
2346 /**
2347  * Get sound capture level in 0-100 scale
2348  *
2349  * @ingroup media_parameters
2350 **/
2351 int linphone_core_get_rec_level(LinphoneCore *lc){
2352         return lc->sound_conf.rec_lev;
2353 }
2354
2355 /**
2356  * Set sound ring level in 0-100 scale
2357  *
2358  * @ingroup media_parameters
2359 **/
2360 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2361         MSSndCard *sndcard;
2362         lc->sound_conf.ring_lev=level;
2363         sndcard=lc->sound_conf.ring_sndcard;
2364         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2365 }
2366
2367 /**
2368  * Set sound playback level in 0-100 scale
2369  *
2370  * @ingroup media_parameters
2371 **/
2372 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2373         MSSndCard *sndcard;
2374         lc->sound_conf.play_lev=level;
2375         sndcard=lc->sound_conf.play_sndcard;
2376         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2377 }
2378
2379 /**
2380  * Set sound capture level in 0-100 scale
2381  *
2382  * @ingroup media_parameters
2383 **/
2384 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2385 {
2386         MSSndCard *sndcard;
2387         lc->sound_conf.rec_lev=level;
2388         sndcard=lc->sound_conf.capt_sndcard;
2389         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2390 }
2391
2392 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2393         MSSndCard *sndcard=NULL;
2394         if (devid!=NULL){
2395                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2396                 if (sndcard!=NULL &&
2397                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2398                         ms_warning("%s card does not have the %s capability, ignoring.",
2399                                 devid,
2400                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2401                         sndcard=NULL;
2402                 }
2403         }
2404         if (sndcard==NULL) {
2405                 /* get a card that has read+write capabilities */
2406                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2407                 /* otherwise refine to the first card having the right capability*/
2408                 if (sndcard==NULL){
2409                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2410                         for(;elem!=NULL;elem=elem->next){
2411                                 sndcard=(MSSndCard*)elem->data;
2412                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2413                         }
2414                 }
2415                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2416                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2417                         sndcard=(MSSndCard*)elem->data;
2418                 }
2419         }
2420         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2421         return sndcard;
2422 }
2423
2424 /**
2425  * Returns true if the specified sound device can capture sound.
2426  *
2427  * @ingroup media_parameters
2428  * @param devid the device name as returned by linphone_core_get_sound_devices()
2429 **/
2430 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2431         MSSndCard *sndcard;
2432         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2433         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2434         return FALSE;
2435 }
2436
2437 /**
2438  * Returns true if the specified sound device can play sound.
2439  *
2440  * @ingroup media_parameters
2441  * @param devid the device name as returned by linphone_core_get_sound_devices()
2442 **/
2443 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2444         MSSndCard *sndcard;
2445         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2446         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2447         return FALSE;
2448 }
2449
2450 /**
2451  * Sets the sound device used for ringing.
2452  *
2453  * @ingroup media_parameters
2454  * @param devid the device name as returned by linphone_core_get_sound_devices()
2455 **/
2456 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2457         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2458         lc->sound_conf.ring_sndcard=card;
2459         if (card && lc->ready)
2460                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
2461         return 0;
2462 }
2463
2464 /**
2465  * Sets the sound device used for playback.
2466  *
2467  * @ingroup media_parameters
2468  * @param devid the device name as returned by linphone_core_get_sound_devices()
2469 **/
2470 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
2471         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2472         lc->sound_conf.play_sndcard=card;
2473         if (card && lc->ready)
2474                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
2475         return 0;
2476 }
2477
2478 /**
2479  * Sets the sound device used for capture.
2480  *
2481  * @ingroup media_parameters
2482  * @param devid the device name as returned by linphone_core_get_sound_devices()
2483 **/
2484 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
2485         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
2486         lc->sound_conf.capt_sndcard=card;
2487         if (card && lc->ready)
2488                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
2489         return 0;
2490 }
2491
2492 /**
2493  * Returns the name of the currently assigned sound device for ringing.
2494  *
2495  * @ingroup media_parameters
2496 **/
2497 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
2498 {
2499         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
2500         return NULL;
2501 }
2502
2503 /**
2504  * Returns the name of the currently assigned sound device for playback.
2505  *
2506  * @ingroup media_parameters
2507 **/
2508 const char * linphone_core_get_playback_device(LinphoneCore *lc)
2509 {
2510         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
2511 }
2512
2513 /**
2514  * Returns the name of the currently assigned sound device for capture.
2515  *
2516  * @ingroup media_parameters
2517 **/
2518 const char * linphone_core_get_capture_device(LinphoneCore *lc)
2519 {
2520         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
2521 }
2522
2523 /**
2524  * Returns an unmodifiable array of available sound devices.
2525  *
2526  * @ingroup media_parameters
2527  * The array is NULL terminated.
2528 **/
2529 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
2530         build_sound_devices_table(lc);
2531         return lc->sound_conf.cards;
2532 }
2533
2534 /**
2535  * Returns an unmodifiable array of available video capture devices.
2536  *
2537  * @ingroup media_parameters
2538  * The array is NULL terminated.
2539 **/
2540 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
2541         return lc->video_conf.cams;
2542 }
2543
2544 char linphone_core_get_sound_source(LinphoneCore *lc)
2545 {
2546         return lc->sound_conf.source;
2547 }
2548
2549 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
2550 {
2551         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
2552         lc->sound_conf.source=source;
2553         if (!sndcard) return;
2554         switch(source){
2555                 case 'm':
2556                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
2557                         break;
2558                 case 'l':
2559                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
2560                         break;
2561         }
2562
2563 }
2564
2565
2566 /**
2567  * Sets the path to a wav file used for ringing.
2568  *
2569  * The file must be a wav 16bit linear.
2570  *
2571  * @ingroup media_parameters
2572 **/
2573 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
2574         if (lc->sound_conf.local_ring!=0){
2575                 ms_free(lc->sound_conf.local_ring);
2576         }
2577         lc->sound_conf.local_ring=ms_strdup(path);
2578         if (lc->ready && lc->sound_conf.local_ring)
2579                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
2580 }
2581
2582 /**
2583  * Returns the path to the wav file used for ringing.
2584  *
2585  * @ingroup media_parameters
2586 **/
2587 const char *linphone_core_get_ring(const LinphoneCore *lc){
2588         return lc->sound_conf.local_ring;
2589 }
2590
2591 static void notify_end_of_ring(void *ud ,unsigned int event, void * arg){
2592         LinphoneCore *lc=(LinphoneCore*)ud;
2593         lc->preview_finished=1;
2594 }
2595
2596 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
2597 {
2598         if (lc->ringstream!=0){
2599                 ms_warning("Cannot start ring now,there's already a ring being played");
2600                 return -1;
2601         }
2602         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
2603         lc->preview_finished=0;
2604         if (lc->sound_conf.ring_sndcard!=NULL){
2605                 lc->ringstream=ring_start_with_cb(ring,2000,lc->sound_conf.ring_sndcard,notify_end_of_ring,(void *)lc);
2606         }
2607         return 0;
2608 }
2609
2610 /**
2611  * Sets the path to a wav file used for ringing back.
2612  *
2613  * Ringback means the ring that is heard when it's ringing at the remote party.
2614  * The file must be a wav 16bit linear.
2615  *
2616  * @ingroup media_parameters
2617 **/
2618 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
2619         if (lc->sound_conf.remote_ring!=0){
2620                 ms_free(lc->sound_conf.remote_ring);
2621         }
2622         lc->sound_conf.remote_ring=ms_strdup(path);
2623 }
2624
2625 /**
2626  * Returns the path to the wav file used for ringing back.
2627  *
2628  * @ingroup media_parameters
2629 **/
2630 const char * linphone_core_get_ringback(const LinphoneCore *lc){
2631         return lc->sound_conf.remote_ring;
2632 }
2633
2634 /**
2635  * Enables or disable echo cancellation.
2636  *
2637  * @ingroup media_parameters
2638 **/
2639 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
2640         lc->sound_conf.ec=val;
2641         if (lc->ready)
2642                 lp_config_set_int(lc->config,"sound","echocancellation",val);
2643 }
2644
2645 /**
2646  * Returns TRUE if echo cancellation is enabled.
2647  *
2648  * @ingroup media_parameters
2649 **/
2650 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
2651         return lc->sound_conf.ec;
2652 }
2653
2654 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
2655         lc->sound_conf.ea=val;
2656 }
2657
2658 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
2659         return lc->sound_conf.ea;
2660 }
2661
2662 /**
2663  * Mutes or unmutes the local microphone.
2664  *
2665  * @ingroup media_parameters
2666 **/
2667 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
2668         if (lc->audiostream!=NULL){
2669                  audio_stream_set_mic_gain(lc->audiostream,
2670                         (val==TRUE) ? 0 : 1.0);
2671         }
2672 }
2673
2674 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
2675         lc->sound_conf.agc=val;
2676 }
2677
2678 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
2679         return lc->sound_conf.agc;
2680 }
2681
2682 /**
2683  * Send the specified dtmf.
2684  *
2685  * @ingroup media_parameters
2686  * This function only works during calls. The dtmf is automatically played to the user.
2687  * @param lc The LinphoneCore object
2688  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
2689  *
2690 **/
2691 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
2692 {
2693         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
2694         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
2695         {
2696                 /* In Band DTMF */
2697                 if (lc->audiostream!=NULL){
2698                         audio_stream_send_dtmf(lc->audiostream,dtmf);
2699                 }
2700                 else
2701                 {
2702                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
2703                 }
2704         }
2705         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
2706                 /* Out of Band DTMF (use INFO method) */
2707                 LinphoneCall *call=lc->call;
2708                 if (call==NULL){
2709                         return;
2710                 }
2711                 sal_call_send_dtmf(call->op,dtmf);
2712         }
2713 }
2714
2715 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
2716         if (lc->net_conf.stun_server!=NULL)
2717                 ms_free(lc->net_conf.stun_server);
2718         if (server)
2719                 lc->net_conf.stun_server=ms_strdup(server);
2720         else lc->net_conf.stun_server=NULL;
2721 }
2722
2723 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
2724         return lc->net_conf.stun_server;
2725 }
2726
2727 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
2728         return lc->net_conf.relay;
2729 }
2730
2731 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
2732         if (lc->net_conf.relay!=NULL){
2733                 ms_free(lc->net_conf.relay);
2734                 lc->net_conf.relay=NULL;
2735         }
2736         if (addr){
2737                 lc->net_conf.relay=ms_strdup(addr);
2738         }
2739         return 0;
2740 }
2741
2742 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
2743 {
2744         if (lc->net_conf.nat_address!=NULL){
2745                 ms_free(lc->net_conf.nat_address);
2746         }
2747         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
2748         else lc->net_conf.nat_address=NULL;
2749         if (lc->sip_conf.contact) update_primary_contact(lc);
2750 }
2751
2752 const char *linphone_core_get_nat_address(const LinphoneCore *lc)
2753 {
2754         return lc->net_conf.nat_address;
2755 }
2756
2757 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
2758         lc->net_conf.firewall_policy=pol;
2759         if (lc->sip_conf.contact) update_primary_contact(lc);
2760 }
2761
2762 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
2763         return lc->net_conf.firewall_policy;
2764 }
2765
2766 /**
2767  * Get the list of call logs (past calls).
2768  *
2769  * @ingroup call_logs
2770 **/
2771 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
2772         lc->missed_calls=0;
2773         return lc->call_logs;
2774 }
2775
2776 /**
2777  * Erase the call log.
2778  *
2779  * @ingroup call_logs
2780 **/
2781 void linphone_core_clear_call_logs(LinphoneCore *lc){
2782         lc->missed_calls=0;
2783         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
2784         lc->call_logs=ms_list_free(lc->call_logs);
2785         call_logs_write_to_config_file(lc);
2786 }
2787
2788 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
2789 #ifdef VIDEO_ENABLED
2790         if (lc->videostream==NULL){
2791                 if (val){
2792                         if (lc->previewstream==NULL){
2793                                 lc->previewstream=video_preview_start(lc->video_conf.device,
2794                                                         lc->video_conf.vsize);
2795                         }
2796                 }else{
2797                         if (lc->previewstream!=NULL){
2798                                 video_preview_stop(lc->previewstream);
2799                                 lc->previewstream=NULL;
2800                         }
2801                 }
2802         }
2803 #endif
2804 }
2805
2806 /**
2807  * Enables video globally.
2808  *
2809  * @ingroup media_parameters
2810  * This function does not have any effect during calls. It just indicates LinphoneCore to
2811  * initiate future calls with video or not. The two boolean parameters indicate in which
2812  * direction video is enabled. Setting both to false disables video entirely.
2813  *
2814  * @param vcap_enabled indicates whether video capture is enabled
2815  * @param display_enabled indicates whether video display should be shown
2816  *
2817 **/
2818 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
2819 #ifndef VIDEO_ENABLED
2820         if (vcap_enabled || display_enabled)
2821                 ms_warning("This version of linphone was built without video support.");
2822 #endif
2823         lc->video_conf.capture=vcap_enabled;
2824         lc->video_conf.display=display_enabled;
2825
2826         /* need to re-apply network bandwidth settings*/
2827         linphone_core_set_download_bandwidth(lc,
2828                 linphone_core_get_download_bandwidth(lc));
2829         linphone_core_set_upload_bandwidth(lc,
2830                 linphone_core_get_upload_bandwidth(lc));
2831 }
2832
2833 /**
2834  * Returns TRUE if video is enabled, FALSE otherwise.
2835  * @ingroup media_parameters
2836 **/
2837 bool_t linphone_core_video_enabled(LinphoneCore *lc){
2838         return (lc->video_conf.display || lc->video_conf.capture);
2839 }
2840
2841 /**
2842  * Controls video preview enablement.
2843  *
2844  * @ingroup media_parameters
2845  * Video preview refers to the action of displaying the local webcam image
2846  * to the user while not in call.
2847 **/
2848 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
2849         lc->video_conf.show_local=val;
2850 }
2851
2852 /**
2853  * Returns TRUE if video previewing is enabled.
2854  * @ingroup media_parameters
2855 **/
2856 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
2857         return lc->video_conf.show_local;
2858 }
2859
2860 /**
2861  * Enables or disable self view during calls.
2862  *
2863  * @ingroup media_parameters
2864  * Self-view refers to having local webcam image inserted in corner
2865  * of the video window during calls.
2866  * This function works at any time, including during calls.
2867 **/
2868 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
2869         lc->video_conf.selfview=val;
2870 #ifdef VIDEO_ENABLED
2871         if (lc->videostream){
2872                 video_stream_enable_self_view(lc->videostream,val);
2873         }
2874 #endif
2875 }
2876
2877 /**
2878  * Returns TRUE if self-view is enabled, FALSE otherwise.
2879  *
2880  * @ingroup media_parameters
2881  *
2882  * Refer to linphone_core_enable_self_view() for details.
2883 **/
2884 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
2885         return lc->video_conf.selfview;
2886 }
2887
2888 /**
2889  * Sets the active video device.
2890  *
2891  * @ingroup media_parameters
2892  * @param id the name of the video device as returned by linphone_core_get_video_devices()
2893 **/
2894 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
2895         MSWebCam *olddev=lc->video_conf.device;
2896         const char *vd;
2897         if (id!=NULL){
2898                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
2899                 if (lc->video_conf.device==NULL){
2900                         ms_warning("Could not found video device %s",id);
2901                 }
2902         }
2903         if (lc->video_conf.device==NULL)
2904                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
2905         if (olddev!=NULL && olddev!=lc->video_conf.device){
2906                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
2907         }
2908         if (lc->ready && lc->video_conf.device){
2909                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
2910                 if (vd && strstr(vd,"Static picture")!=NULL){
2911                         vd=NULL;
2912                 }
2913                 lp_config_set_string(lc->config,"video","device",vd);
2914         }
2915         return 0;
2916 }
2917
2918 /**
2919  * Returns the name of the currently active video device.
2920  *
2921  * @ingroup media_parameters
2922 **/
2923 const char *linphone_core_get_video_device(const LinphoneCore *lc){
2924         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
2925         return NULL;
2926 }
2927
2928 /**
2929  * Returns the native window handle of the video window, casted as an unsigned long.
2930  *
2931  * @ingroup media_parameters
2932 **/
2933 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
2934 #ifdef VIDEO_ENABLED
2935         if (lc->videostream)
2936                 return video_stream_get_native_window_id(lc->videostream);
2937         if (lc->previewstream)
2938                 return video_stream_get_native_window_id(lc->previewstream);
2939 #endif
2940         return 0;
2941 }
2942
2943 static MSVideoSizeDef supported_resolutions[]={
2944         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
2945         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
2946         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
2947         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
2948         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
2949         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
2950         {       {0,0}                   ,       NULL    }
2951 };
2952
2953 /**
2954  * Returns the zero terminated table of supported video resolutions.
2955  *
2956  * @ingroup media_parameters
2957 **/
2958 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
2959         return supported_resolutions;
2960 }
2961
2962 static MSVideoSize video_size_get_by_name(const char *name){
2963         MSVideoSizeDef *pdef=supported_resolutions;
2964         MSVideoSize null_vsize={0,0};
2965         for(;pdef->name!=NULL;pdef++){
2966                 if (strcasecmp(name,pdef->name)==0){
2967                         return pdef->vsize;
2968                 }
2969         }
2970         ms_warning("Video resolution %s is not supported in linphone.",name);
2971         return null_vsize;
2972 }
2973
2974 static const char *video_size_get_name(MSVideoSize vsize){
2975         MSVideoSizeDef *pdef=supported_resolutions;
2976         for(;pdef->name!=NULL;pdef++){
2977                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
2978                         return pdef->name;
2979                 }
2980         }
2981         return NULL;
2982 }
2983
2984 static bool_t video_size_supported(MSVideoSize vsize){
2985         if (video_size_get_name(vsize)) return TRUE;
2986         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
2987         return FALSE;
2988 }
2989
2990 /**
2991  * Sets the preferred video size.
2992  *
2993  * @ingroup media_parameters
2994  * This applies only to the stream that is captured and sent to the remote party,
2995  * since we accept all standard video size on the receive path.
2996 **/
2997 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
2998         if (video_size_supported(vsize)){
2999                 MSVideoSize oldvsize=lc->video_conf.vsize;
3000                 lc->video_conf.vsize=vsize;
3001                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3002                         toggle_video_preview(lc,FALSE);
3003                         toggle_video_preview(lc,TRUE);
3004                 }
3005                 if (lc->ready)
3006                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3007         }
3008 }
3009
3010 /**
3011  * Sets the preferred video size by its name.
3012  *
3013  * @ingroup media_parameters
3014  * This is identical to linphone_core_set_preferred_video_size() except
3015  * that it takes the name of the video resolution as input.
3016  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3017 **/
3018 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3019         MSVideoSize vsize=video_size_get_by_name(name);
3020         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3021         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3022         else linphone_core_set_preferred_video_size(lc,default_vsize);
3023 }
3024
3025 /**
3026  * Returns the current preferred video size for sending.
3027  *
3028  * @ingroup media_parameters
3029 **/
3030 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3031         return lc->video_conf.vsize;
3032 }
3033
3034 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3035         lc->use_files=yesno;
3036 }
3037
3038 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3039         if (lc->play_file!=NULL){
3040                 ms_free(lc->play_file);
3041                 lc->play_file=NULL;
3042         }
3043         if (file!=NULL) {
3044                 lc->play_file=ms_strdup(file);
3045                 if (lc->audiostream)
3046                         audio_stream_play(lc->audiostream,file);
3047         }
3048 }
3049
3050 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3051         if (lc->rec_file!=NULL){
3052                 ms_free(lc->rec_file);
3053                 lc->rec_file=NULL;
3054         }
3055         if (file!=NULL) {
3056                 lc->rec_file=ms_strdup(file);
3057                 if (lc->audiostream)
3058                         audio_stream_record(lc->audiostream,file);
3059         }
3060 }
3061
3062 /**
3063  * Retrieves the user pointer that was given to linphone_core_new()
3064  *
3065  * @ingroup initializing
3066 **/
3067 void *linphone_core_get_user_data(LinphoneCore *lc){
3068         return lc->data;
3069 }
3070
3071 int linphone_core_get_mtu(const LinphoneCore *lc){
3072         return lc->net_conf.mtu;
3073 }
3074
3075 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
3076         lc->net_conf.mtu=mtu;
3077         if (mtu>0){
3078                 if (mtu<500){
3079                         ms_error("MTU too small !");
3080                         mtu=500;
3081                 }
3082                 ms_set_mtu(mtu);
3083                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
3084         }else ms_set_mtu(0);//use mediastreamer2 default value
3085 }
3086
3087 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
3088         lc->wait_cb=cb;
3089         lc->wait_ctx=user_context;
3090 }
3091
3092 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
3093         if (lc->wait_cb){
3094                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
3095         }
3096 }
3097
3098 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
3099         if (lc->wait_cb){
3100                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
3101         }else{
3102 #ifdef WIN32
3103                 Sleep(50000);
3104 #else
3105                 usleep(50000);
3106 #endif
3107         }
3108 }
3109
3110 void linphone_core_stop_waiting(LinphoneCore *lc){
3111         if (lc->wait_cb){
3112                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
3113         }
3114 }
3115
3116 void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, RtpTransport *rtcp){
3117         lc->a_rtp=rtp;
3118         lc->a_rtcp=rtcp;
3119 }
3120
3121 void net_config_uninit(LinphoneCore *lc)
3122 {
3123         net_config_t *config=&lc->net_conf;
3124         lp_config_set_int(lc->config,"net","download_bw",config->download_bw);
3125         lp_config_set_int(lc->config,"net","upload_bw",config->upload_bw);
3126
3127         if (config->stun_server!=NULL)
3128                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
3129         if (config->nat_address!=NULL)
3130                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
3131         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
3132         lp_config_set_int(lc->config,"net","mtu",config->mtu);
3133         if (lc->net_conf.stun_server!=NULL)
3134                 ms_free(lc->net_conf.stun_server);
3135 }
3136
3137
3138 void sip_config_uninit(LinphoneCore *lc)
3139 {
3140         MSList *elem;
3141         int i;
3142         sip_config_t *config=&lc->sip_conf;
3143         lp_config_set_int(lc->config,"sip","sip_port",config->sip_port);
3144         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
3145         lp_config_set_string(lc->config,"sip","contact",config->contact);
3146         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
3147         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
3148         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
3149         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
3150         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
3151
3152         lp_config_set_int(lc->config,"sip","default_proxy",linphone_core_get_default_proxy(lc,NULL));
3153         
3154         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3155                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
3156                 linphone_proxy_config_write_to_config_file(lc->config,cfg,i);
3157                 linphone_proxy_config_edit(cfg);        /* to unregister */
3158         }
3159
3160         if (lc->sal){
3161             int i;
3162                 for (i=0;i<20;i++){
3163                         sal_iterate(lc->sal);
3164 #ifndef WIN32
3165                         usleep(100000);
3166 #else
3167                         Sleep(100);
3168 #endif
3169                 }
3170         }
3171
3172         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
3173         ms_list_free(config->proxies);
3174         config->proxies=NULL;
3175         
3176         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
3177
3178         for(elem=lc->auth_info,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3179                 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)(elem->data);
3180                 linphone_auth_info_write_config(lc->config,ai,i);
3181         }
3182         linphone_auth_info_write_config(lc->config,NULL,i); /* mark the end */
3183         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
3184         ms_list_free(lc->auth_info);
3185         lc->auth_info=NULL;
3186         sal_uninit(lc->sal);
3187         lc->sal=NULL;
3188 }
3189
3190 void rtp_config_uninit(LinphoneCore *lc)
3191 {
3192         rtp_config_t *config=&lc->rtp_conf;
3193         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
3194         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
3195         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
3196         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
3197         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
3198 }
3199
3200 void sound_config_uninit(LinphoneCore *lc)
3201 {
3202         sound_config_t *config=&lc->sound_conf;
3203         ms_free(config->cards);
3204
3205         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
3206
3207         if (config->local_ring) ms_free(config->local_ring);
3208         if (config->remote_ring) ms_free(config->remote_ring);
3209         ms_snd_card_manager_destroy();
3210 }
3211
3212 void video_config_uninit(LinphoneCore *lc)
3213 {
3214         lp_config_set_int(lc->config,"video","enabled",linphone_core_video_enabled(lc));
3215         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
3216         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3217         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3218         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
3219         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
3220 }
3221
3222 void codecs_config_uninit(LinphoneCore *lc)
3223 {
3224         PayloadType *pt;
3225         codecs_config_t *config=&lc->codecs_conf;
3226         MSList *node;
3227         char key[50];
3228         int index;
3229         index=0;
3230         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
3231                 pt=(PayloadType*)(node->data);
3232                 sprintf(key,"audio_codec_%i",index);
3233                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3234                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3235                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3236                 index++;
3237         }
3238         index=0;
3239         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
3240                 pt=(PayloadType*)(node->data);
3241                 sprintf(key,"video_codec_%i",index);
3242                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3243                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3244                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3245                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
3246                 index++;
3247         }
3248 }
3249
3250 void ui_config_uninit(LinphoneCore* lc)
3251 {
3252         if (lc->friends){
3253                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
3254                 ms_list_free(lc->friends);
3255                 lc->friends=NULL;
3256         }
3257 }
3258
3259 /**
3260  * Returns the LpConfig object used to manage the storage (config) file.
3261  *
3262  * @ingroup misc
3263  * The application can use the LpConfig object to insert its own private 
3264  * sections and pairs of key=value in the configuration file.
3265  * 
3266 **/
3267 LpConfig *linphone_core_get_config(LinphoneCore *lc){
3268         return lc->config;
3269 }
3270
3271 static void linphone_core_uninit(LinphoneCore *lc)
3272 {
3273         if (lc->call){
3274                 int i;
3275                 linphone_core_terminate_call(lc,NULL);
3276                 for(i=0;i<10;++i){
3277 #ifndef WIN32
3278                         usleep(50000);
3279 #else
3280                         Sleep(50);
3281 #endif
3282                         linphone_core_iterate(lc);
3283                 }
3284         }
3285         gstate_new_state(lc, GSTATE_POWER_SHUTDOWN, NULL);
3286 #ifdef VIDEO_ENABLED
3287         if (lc->previewstream!=NULL){
3288                 video_preview_stop(lc->previewstream);
3289                 lc->previewstream=NULL;
3290         }
3291 #endif
3292         /* save all config */
3293         net_config_uninit(lc);
3294         sip_config_uninit(lc);
3295         rtp_config_uninit(lc);
3296         sound_config_uninit(lc);
3297         video_config_uninit(lc);
3298         codecs_config_uninit(lc);
3299         ui_config_uninit(lc);
3300         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
3301         lp_config_destroy(lc->config);
3302         lc->config = NULL; /* Mark the config as NULL to block further calls */
3303         sip_setup_unregister_all();
3304
3305         linphone_core_free_payload_types();
3306
3307         ortp_exit();
3308         exosip_running=FALSE;
3309         gstate_new_state(lc, GSTATE_POWER_OFF, NULL);
3310 }
3311
3312 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable){
3313         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
3314         // second get the list of available proxies
3315         const MSList *elem=linphone_core_get_proxy_config_list(lc);
3316         for(;elem!=NULL;elem=elem->next){
3317                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3318                 if (linphone_proxy_config_register_enabled(cfg) ) {
3319                         if (!isReachable) {
3320                                 cfg->registered=0;
3321                         }else{
3322                                 cfg->commit=TRUE;
3323                         }
3324                 }
3325         }
3326         lc->network_reachable=isReachable;
3327 }
3328
3329 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
3330         //first disable automatic mode
3331         if (lc->auto_net_state_mon) {
3332                 ms_message("Disabling automatic network state monitoring");
3333                 lc->auto_net_state_mon=FALSE;
3334         }
3335         set_network_reachable(lc,isReachable);
3336 }
3337 /**
3338  * Destroys a LinphoneCore
3339  *
3340  * @ingroup initializing
3341 **/
3342 void linphone_core_destroy(LinphoneCore *lc){
3343         linphone_core_uninit(lc);
3344         ms_free(lc);
3345 }
3346