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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 #define _GNU_SOURCE
21
22 #include "linphonecore.h"
23 #include "sipsetup.h"
24 #include "lpconfig.h"
25 #include "private.h"
26
27 #include <math.h>
28 #include <ortp/telephonyevents.h>
29 #include <ortp/zrtp.h>
30 #include "mediastreamer2/mediastream.h"
31 #include "mediastreamer2/mseventqueue.h"
32 #include "mediastreamer2/msvolume.h"
33 #include "mediastreamer2/msequalizer.h"
34 #include "mediastreamer2/dtmfgen.h"
35
36 #ifdef INET6
37 #ifndef WIN32
38 #include <netdb.h>
39 #endif
40 #endif
41
42 #ifdef HAVE_CONFIG_H
43 #include "config.h"
44 #include "liblinphone_gitversion.h"
45 #else
46 #ifndef LIBLINPHONE_GIT_VERSION
47 #define LIBLINPHONE_GIT_VERSION "unknown"
48 #endif
49 #endif
50
51
52 /*#define UNSTANDART_GSM_11K 1*/
53
54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
55
56 static const char *liblinphone_version=
57 #ifdef LIBLINPHONE_GIT_VERSION
58         LIBLINPHONE_GIT_VERSION
59 #else
60         LIBLINPHONE_VERSION
61 #endif
62 ;
63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
64 static void linphone_core_run_hooks(LinphoneCore *lc);
65 static void linphone_core_free_hooks(LinphoneCore *lc);
66
67 #include "enum.h"
68
69 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
71
72 /* relative path where is stored local ring*/
73 #define LOCAL_RING "rings/oldphone.wav"
74 /* same for remote ring (ringback)*/
75 #define REMOTE_RING "ringback.wav"
76 #define HOLD_MUSIC "rings/toy-mono.wav"
77
78
79 extern SalCallbacks linphone_sal_callbacks;
80
81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
82 {
83   obj->_func=func;
84   obj->_user_data=ud;
85 }
86
87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
89         return 0;
90 }
91
92
93 /*prevent a gcc bug with %c*/
94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
95         return strftime(s, max, fmt, tm);
96 }
97
98 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
99         struct tm loctime;
100 #ifdef WIN32
101 #if !defined(_WIN32_WCE)
102         loctime=*localtime(&start_time);
103         /*FIXME*/
104 #endif /*_WIN32_WCE*/
105 #else
106         localtime_r(&start_time,&loctime);
107 #endif
108         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
109 }
110
111 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
112         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
113         cl->dir=call->dir;
114         cl->start_date_time=call->start_time;
115         set_call_log_date(cl,cl->start_date_time);
116         cl->from=from;
117         cl->to=to;
118         cl->status=LinphoneCallAborted; /*default status*/
119         cl->quality=-1;
120         return cl;
121 }
122
123 void call_logs_write_to_config_file(LinphoneCore *lc){
124         MSList *elem;
125         char logsection[32];
126         int i;
127         char *tmp;
128         LpConfig *cfg=lc->config;
129
130         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
131
132         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
133                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
134                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
135                 lp_config_clean_section(cfg,logsection);
136                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
137                 lp_config_set_int(cfg,logsection,"status",cl->status);
138                 tmp=linphone_address_as_string(cl->from);
139                 lp_config_set_string(cfg,logsection,"from",tmp);
140                 ms_free(tmp);
141                 tmp=linphone_address_as_string(cl->to);
142                 lp_config_set_string(cfg,logsection,"to",tmp);
143                 ms_free(tmp);
144                 if (cl->start_date_time)
145                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
146                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
147                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
148                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
149                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
150                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
151                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
152         }
153         for(;i<lc->max_call_logs;++i){
154                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
155                 lp_config_clean_section(cfg,logsection);
156         }
157 }
158
159 static time_t string_to_time(const char *date){
160 #ifndef WIN32
161         struct tm tmtime={0};
162         strptime(date,"%c",&tmtime);
163         return mktime(&tmtime);
164 #else
165         return 0;
166 #endif
167 }
168
169 static void call_logs_read_from_config_file(LinphoneCore *lc){
170         char logsection[32];
171         int i;
172         const char *tmp;
173         uint64_t sec;
174         LpConfig *cfg=lc->config;
175         for(i=0;;++i){
176                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
177                 if (lp_config_has_section(cfg,logsection)){
178                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
179                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
180                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
181                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
182                         if (tmp) cl->from=linphone_address_new(tmp);
183                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
184                         if (tmp) cl->to=linphone_address_new(tmp);
185                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
186                         if (sec) {
187                                 /*new call log format with date expressed in seconds */
188                                 cl->start_date_time=(time_t)sec;
189                                 set_call_log_date(cl,cl->start_date_time);
190                         }else{
191                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
192                                 if (tmp) {
193                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
194                                         cl->start_date_time=string_to_time(cl->start_date);
195                                 }
196                         }
197                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
198                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
199                         if (tmp) cl->refkey=ms_strdup(tmp);
200                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
201                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
202                         tmp=lp_config_get_string(cfg,logsection,"call_id",NULL);
203                         if (tmp) cl->call_id=ms_strdup(tmp);
204                         lc->call_logs=ms_list_append(lc->call_logs,cl);
205                 }else break;
206         }
207 }
208
209
210
211 /**
212  * @addtogroup call_logs
213  * @{
214 **/
215
216 /**
217  * Returns a human readable string describing the call.
218  *
219  * @note: the returned char* must be freed by the application (use ms_free()).
220 **/
221 char * linphone_call_log_to_str(LinphoneCallLog *cl){
222         char *status;
223         char *tmp;
224         char *from=linphone_address_as_string (cl->from);
225         char *to=linphone_address_as_string (cl->to);
226         switch(cl->status){
227                 case LinphoneCallAborted:
228                         status=_("aborted");
229                         break;
230                 case LinphoneCallSuccess:
231                         status=_("completed");
232                         break;
233                 case LinphoneCallMissed:
234                         status=_("missed");
235                         break;
236                 default:
237                         status="unknown";
238         }
239         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
240                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
241                         cl->start_date,
242                         from,
243                         to,
244                         status,
245                         cl->duration/60,
246                         cl->duration%60);
247         ms_free(from);
248         ms_free(to);
249         return tmp;
250 }
251
252 /**
253  * Returns RTP statistics computed locally regarding the call.
254  *
255 **/
256 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
257         return &cl->local_stats;
258 }
259
260 /**
261  * Returns RTP statistics computed by remote end and sent back via RTCP.
262  *
263  * @note Not implemented yet.
264 **/
265 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
266         return &cl->remote_stats;
267 }
268
269 const char *linphone_call_log_get_call_id(const LinphoneCallLog *cl){
270         return cl->call_id;
271 }
272
273 /**
274  * Assign a user pointer to the call log.
275 **/
276 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
277         cl->user_pointer=up;
278 }
279
280 /**
281  * Returns the user pointer associated with the call log.
282 **/
283 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
284         return cl->user_pointer;
285 }
286
287
288
289 /**
290  * Associate a persistent reference key to the call log.
291  *
292  * The reference key can be for example an id to an external database.
293  * It is stored in the config file, thus can survive to process exits/restarts.
294  *
295 **/
296 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
297         if (cl->refkey!=NULL){
298                 ms_free(cl->refkey);
299                 cl->refkey=NULL;
300         }
301         if (refkey) cl->refkey=ms_strdup(refkey);
302 }
303
304 /**
305  * Get the persistent reference key associated to the call log.
306  *
307  * The reference key can be for example an id to an external database.
308  * It is stored in the config file, thus can survive to process exits/restarts.
309  *
310 **/
311 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
312         return cl->refkey;
313 }
314
315 /**
316  * Returns origin (ie from) address of the call.
317 **/
318 LinphoneAddress *linphone_call_log_get_from(LinphoneCallLog *cl){
319         return cl->from;
320 }
321
322 /**
323  * Returns destination address (ie to) of the call.
324 **/
325 LinphoneAddress *linphone_call_log_get_to(LinphoneCallLog *cl){
326         return cl->to;
327 }
328
329 /**
330  * Returns remote address (that is from or to depending on call direction).
331 **/
332 LinphoneAddress *linphone_call_log_get_remote_address(LinphoneCallLog *cl){
333         return (cl->dir == LinphoneCallIncoming) ? cl->from : cl->to;
334 }
335
336 /**
337  * Returns the direction of the call.
338 **/
339 LinphoneCallDir linphone_call_log_get_dir(LinphoneCallLog *cl){
340         return cl->dir;
341 }
342
343 /**
344  * Returns the status of the call.
345 **/
346 LinphoneCallStatus linphone_call_log_get_status(LinphoneCallLog *cl){
347         return cl->status;
348 }
349
350 /**
351  * Returns the start date of the call, expressed as a POSIX time_t.
352 **/
353 time_t linphone_call_log_get_start_date(LinphoneCallLog *cl){
354         return cl->start_date_time;
355 }
356
357 /**
358  * Returns duration of the call.
359 **/
360 int linphone_call_log_get_duration(LinphoneCallLog *cl){
361         return cl->duration;
362 }
363
364 /**
365  * Returns overall quality indication of the call.
366 **/
367 float linphone_call_log_get_quality(LinphoneCallLog *cl){
368         return cl->quality;
369 }
370 /**
371  * return true if video was enabled at the end of the call
372  */
373 LinphoneCallStatus linphone_call_log_video_enabled(LinphoneCallLog *cl) {
374         return cl->video_enabled;
375 }
376 /** @} */
377
378 void linphone_call_log_destroy(LinphoneCallLog *cl){
379         if (cl->from!=NULL) linphone_address_destroy(cl->from);
380         if (cl->to!=NULL) linphone_address_destroy(cl->to);
381         if (cl->refkey!=NULL) ms_free(cl->refkey);
382         if (cl->call_id) ms_free(cl->call_id);
383         ms_free(cl);
384 }
385
386 /**
387  * Returns TRUE if the LinphoneCall asked to autoanswer
388  *
389 **/
390 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
391         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
392         if(call)
393                 return sal_call_autoanswer_asked(call->op);
394         else
395                 return FALSE;
396 }
397
398 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
399         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
400         if (call)  return linphone_call_get_duration(call);
401         return -1;
402 }
403
404 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
405         LinphoneCall *call=linphone_core_get_current_call(lc);
406         if (call==NULL) return NULL;
407         return linphone_call_get_remote_address(call);
408 }
409
410 void linphone_core_set_log_handler(OrtpLogFunc logfunc) {
411         ortp_set_log_handler(logfunc);
412 }
413
414 void linphone_core_set_log_file(FILE *file) {
415         if (file == NULL) file = stdout;
416         ortp_set_log_file(file);
417 }
418
419 void linphone_core_set_log_level(OrtpLogLevel loglevel) {
420         ortp_set_log_level_mask(loglevel);
421 }
422
423 /**
424  * Enable logs in supplied FILE*.
425  *
426  * @ingroup misc
427  * @deprecated Use #linphone_core_set_log_file and #linphone_core_set_log_level instead.
428  *
429  * @param file a C FILE* where to fprintf logs. If null stdout is used.
430  *
431 **/
432 void linphone_core_enable_logs(FILE *file){
433         if (file==NULL) file=stdout;
434         ortp_set_log_file(file);
435         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
436 }
437
438 /**
439  * Enable logs through the user's supplied log callback.
440  *
441  * @ingroup misc
442  * @deprecated Use #linphone_core_set_log_handler and #linphone_core_set_log_level instead.
443  *
444  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
445  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
446  *
447 **/
448 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
449         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
450         ortp_set_log_handler(logfunc);
451 }
452
453 /**
454  * Entirely disable logging.
455  *
456  * @ingroup misc
457  * @deprecated Use #linphone_core_set_log_level instead.
458 **/
459 void linphone_core_disable_logs(){
460         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
461 }
462
463
464 static void net_config_read (LinphoneCore *lc)
465 {
466         int tmp;
467         const char *tmpstr;
468         LpConfig *config=lc->config;
469
470         lc->net_conf.nat_address_ip = NULL;
471         tmp=lp_config_get_int(config,"net","download_bw",0);
472         linphone_core_set_download_bandwidth(lc,tmp);
473         tmp=lp_config_get_int(config,"net","upload_bw",0);
474         linphone_core_set_upload_bandwidth(lc,tmp);
475         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
476         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
477         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
478         linphone_core_set_nat_address(lc,tmpstr);
479         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
480         linphone_core_set_firewall_policy(lc,tmp);
481         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
482         lc->net_conf.nat_sdp_only=tmp;
483         tmp=lp_config_get_int(lc->config,"net","mtu",1300);
484         linphone_core_set_mtu(lc,tmp);
485         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
486         linphone_core_set_download_ptime(lc,tmp);
487
488 }
489
490 static void build_sound_devices_table(LinphoneCore *lc){
491         const char **devices;
492         const char **old;
493         int ndev;
494         int i;
495         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
496         ndev=ms_list_size(elem);
497         devices=ms_malloc((ndev+1)*sizeof(const char *));
498         for (i=0;elem!=NULL;elem=elem->next,i++){
499                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
500         }
501         devices[ndev]=NULL;
502         old=lc->sound_conf.cards;
503         lc->sound_conf.cards=devices;
504         if (old!=NULL) ms_free(old);
505 }
506
507 static void sound_config_read(LinphoneCore *lc)
508 {
509         int tmp;
510         const char *tmpbuf;
511         const char *devid;
512 #ifdef __linux
513         /*alsadev let the user use custom alsa device within linphone*/
514         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
515         if (devid){
516                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
517                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
518         }
519         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
520         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
521 #endif
522         /* retrieve all sound devices */
523         build_sound_devices_table(lc);
524
525         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
526         linphone_core_set_playback_device(lc,devid);
527
528         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
529         linphone_core_set_ringer_device(lc,devid);
530
531         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
532         linphone_core_set_capture_device(lc,devid);
533
534 /*
535         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
536         linphone_core_set_play_level(lc,tmp);
537         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
538         linphone_core_set_ring_level(lc,tmp);
539         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
540         linphone_core_set_rec_level(lc,tmp);
541         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
542         linphone_core_set_sound_source(lc,tmpbuf[0]);
543 */
544
545         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
546         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
547         if (ortp_file_exist(tmpbuf)==-1) {
548                 ms_warning("%s does not exist",tmpbuf);
549                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
550         }
551         if (strstr(tmpbuf,".wav")==NULL){
552                 /* it currently uses old sound files, so replace them */
553                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
554         }
555         linphone_core_set_ring(lc,tmpbuf);
556
557         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
558         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
559         if (ortp_file_exist(tmpbuf)==-1){
560                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
561         }
562         if (strstr(tmpbuf,".wav")==NULL){
563                 /* it currently uses old sound files, so replace them */
564                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
565         }
566         linphone_core_set_ringback(lc,tmpbuf);
567
568         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
569         check_sound_device(lc);
570         lc->sound_conf.latency=0;
571 #ifndef __ios 
572         tmp=TRUE;
573 #else
574         tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
575 #endif
576         tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
577         linphone_core_enable_echo_cancellation(lc,tmp);
578         linphone_core_enable_echo_limiter(lc,
579                 lp_config_get_int(lc->config,"sound","echolimiter",0));
580         linphone_core_enable_agc(lc,
581                 lp_config_get_int(lc->config,"sound","agc",0));
582
583         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
584         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
585
586         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
587
588         /*just parse requested stream feature once at start to print out eventual errors*/
589         linphone_core_get_audio_features(lc);
590 }
591
592 static void sip_config_read(LinphoneCore *lc)
593 {
594         char *contact;
595         const char *tmpstr;
596         LCSipTransports tr;
597         int i,tmp;
598         int ipv6;
599         int random_port;
600
601         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
602                 sal_use_session_timers(lc->sal,200);
603         }
604
605         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
606         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
607         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
608         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
609
610         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
611         if (ipv6==-1){
612                 ipv6=0;
613         }
614         linphone_core_enable_ipv6(lc,ipv6);
615         memset(&tr,0,sizeof(tr));
616         
617         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
618         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
619         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
620         
621         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
622                 random_port=(0xDFFF&random())+1024;
623         else random_port=0;
624         
625         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
626                 tr.udp_port=5060;
627         }       
628         
629         if (tr.udp_port>0 && random_port){
630                 tr.udp_port=random_port;
631                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
632         }else if (tr.tcp_port>0 && random_port){
633                 tr.tcp_port=random_port;
634                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
635         }else if (tr.tls_port>0 && random_port){
636                 tr.tls_port=random_port;
637                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
638         } 
639
640 #ifdef __linux
641         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
642 #else
643         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
644 #endif
645         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
646         linphone_core_verify_server_cn(lc,lp_config_get_int(lc->config,"sip","verify_server_cn",TRUE));
647         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
648         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
649         /*start listening on ports*/
650         linphone_core_set_sip_transports(lc,&tr);
651
652         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
653         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
654                 const char *hostname=NULL;
655                 const char *username=NULL;
656 #ifdef HAVE_GETENV
657                 hostname=getenv("HOST");
658                 username=getenv("USER");
659                 if (hostname==NULL) hostname=getenv("HOSTNAME");
660 #endif /*HAVE_GETENV*/
661                 if (hostname==NULL)
662                         hostname="unknown-host";
663                 if (username==NULL){
664                         username="toto";
665                 }
666                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
667                 linphone_core_set_primary_contact(lc,contact);
668                 ms_free(contact);
669         }
670
671         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
672         linphone_core_set_guess_hostname(lc,tmp);
673
674
675         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
676         linphone_core_set_inc_timeout(lc,tmp);
677
678         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
679         linphone_core_set_in_call_timeout(lc,tmp);
680         
681         tmp=lp_config_get_int(lc->config,"sip","delayed_timeout",4);
682         linphone_core_set_delayed_timeout(lc,tmp);
683
684         /* get proxies config */
685         for(i=0;; i++){
686                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
687                 if (cfg!=NULL){
688                         linphone_core_add_proxy_config(lc,cfg);
689                 }else{
690                         break;
691                 }
692         }
693         /* get the default proxy */
694         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
695         linphone_core_set_default_proxy_index(lc,tmp);
696
697         /* read authentication information */
698         for(i=0;; i++){
699                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
700                 if (ai!=NULL){
701                         linphone_core_add_auth_info(lc,ai);
702                         linphone_auth_info_destroy(ai);
703                 }else{
704                         break;
705                 }
706         }
707         /*this is to filter out unsupported encryption schemes*/
708         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
709
710         /*for tuning or test*/
711         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
712         lc->sip_conf.register_only_when_network_is_up=
713                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
714         lc->sip_conf.register_only_when_upnp_is_ok=
715                 lp_config_get_int(lc->config,"sip","register_only_when_upnp_is_ok",1);
716         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
717         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
718         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
719         lc->sip_conf.tcp_tls_keepalive=lp_config_get_int(lc->config,"sip","tcp_tls_keepalive",0);
720         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
721         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
722         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
723         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
724 }
725
726 static void rtp_config_read(LinphoneCore *lc)
727 {
728         int min_port, max_port;
729         int jitt_comp;
730         int nortp_timeout;
731         bool_t rtp_no_xmit_on_audio_mute;
732         bool_t adaptive_jitt_comp_enabled;
733
734         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
735                 if (min_port <= 0) min_port = 1;
736                 if (max_port > 65535) max_port = 65535;
737                 linphone_core_set_audio_port_range(lc, min_port, max_port);
738         } else {
739                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
740                 linphone_core_set_audio_port(lc, min_port);
741         }
742
743         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
744                 if (min_port <= 0) min_port = 1;
745                 if (max_port > 65535) max_port = 65535;
746                 linphone_core_set_video_port_range(lc, min_port, max_port);
747         } else {
748                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
749                 linphone_core_set_video_port(lc, min_port);
750         }
751
752         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
753         linphone_core_set_audio_jittcomp(lc,jitt_comp);
754         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
755         if (jitt_comp==0) jitt_comp=60;
756         linphone_core_set_video_jittcomp(lc,jitt_comp);
757         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
758         linphone_core_set_nortp_timeout(lc,nortp_timeout);
759         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
760         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
761         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
762         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
763         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
764         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
765         lc->rtp_conf.disable_upnp = lp_config_get_int(lc->config, "rtp", "disable_upnp", FALSE);
766 }
767
768 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
769         PayloadType *candidate=NULL;
770         int i;
771         PayloadType *it;
772         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
773                 it=rtp_profile_get_payload(prof,i);
774                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
775                         && (clock_rate==it->clock_rate || clock_rate<=0)
776                         && (channels==it->channels || channels<=0) ){
777                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
778                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
779                                 /*exact match*/
780                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
781                                 return it;
782                         }else {
783                                 if (candidate){
784                                         if (it->recv_fmtp==NULL) candidate=it;
785                                 }else candidate=it;
786                         }
787                 }
788         }
789         if (candidate && recv_fmtp){
790                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
791         }
792         return candidate;
793 }
794
795 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
796         char codeckey[50];
797         const char *mime,*fmtp;
798         int rate,channels,enabled;
799         PayloadType *pt;
800         LpConfig *config=lc->config;
801
802         *ret=NULL;
803         snprintf(codeckey,50,"%s_%i",type,index);
804         mime=lp_config_get_string(config,codeckey,"mime",NULL);
805         if (mime==NULL || strlen(mime)==0 ) return FALSE;
806
807         rate=lp_config_get_int(config,codeckey,"rate",8000);
808         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
809         channels=lp_config_get_int(config,codeckey,"channels",0);
810         enabled=lp_config_get_int(config,codeckey,"enabled",1);
811         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
812         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
813         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
814         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
815                         mime,rate,fmtp ? fmtp : "");
816         *ret=pt;
817         return TRUE;
818 }
819
820 #define RANK_END 10000
821
822 typedef struct codec_desc{
823         const char *name;
824         int rate;
825 }codec_desc_t;
826
827 static codec_desc_t codec_pref_order[]={
828         {"SILK", 16000},
829         {"speex", 16000},
830         {"speex", 8000},
831         {"pcmu",8000},
832         {"pcma",8000},
833         {"VP8",90000},
834         {"H264",90000},
835         {"MP4V-ES",90000},
836         {NULL,0}
837 };
838
839 static int find_codec_rank(const char *mime, int clock_rate){
840         int i;
841         for(i=0;codec_pref_order[i].name!=NULL;++i){
842                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
843                         return i;
844         }
845         return RANK_END;
846 }
847
848 static int codec_compare(const PayloadType *a, const PayloadType *b){
849         int ra,rb;
850         ra=find_codec_rank(a->mime_type,a->clock_rate);
851         rb=find_codec_rank(b->mime_type,b->clock_rate);
852         if (ra>rb) return 1;
853         if (ra<rb) return -1;
854         return 0;
855 }
856
857 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
858         int i;
859         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
860                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
861                 if (pt){
862                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
863                                 pt=NULL;
864                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
865                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
866                                 pt=NULL;
867                         }
868                         if (pt && ms_filter_codec_supported(pt->mime_type)){
869                                 if (ms_list_find(l,pt)==NULL){
870                                         /*unranked codecs are disabled by default*/
871                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
872                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
873                                         }
874                                         ms_message("Adding new codec %s/%i with fmtp %s",
875                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
876                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
877                                 }
878                         }
879                 }
880         }
881         return l;
882 }
883
884 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
885         MSList *elem;
886         for (elem=l;elem!=NULL;elem=elem->next){
887                 PayloadType *ept=(PayloadType*)elem->data;
888                 if (pt==ept)
889                         return l;
890         }
891         l=ms_list_append(l,pt);
892         return l;
893 }
894
895 static void codecs_config_read(LinphoneCore *lc)
896 {
897         int i;
898         PayloadType *pt;
899         MSList *audio_codecs=NULL;
900         MSList *video_codecs=NULL;
901         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
902                 if (pt){
903                         if (!ms_filter_codec_supported(pt->mime_type)){
904                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
905                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
906                 }
907         }
908         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
909         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
910                 if (pt){
911                         if (!ms_filter_codec_supported(pt->mime_type)){
912                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
913                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
914                 }
915         }
916         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
917         linphone_core_set_audio_codecs(lc,audio_codecs);
918         linphone_core_set_video_codecs(lc,video_codecs);
919         linphone_core_update_allocated_audio_bandwidth(lc);
920 }
921
922 static void build_video_devices_table(LinphoneCore *lc){
923         const MSList *elem;
924         int i;
925         int ndev;
926         const char **devices;
927         if (lc->video_conf.cams)
928                 ms_free(lc->video_conf.cams);
929         /* retrieve all video devices */
930         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
931         ndev=ms_list_size(elem);
932         devices=ms_malloc((ndev+1)*sizeof(const char *));
933         for (i=0;elem!=NULL;elem=elem->next,i++){
934                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
935         }
936         devices[ndev]=NULL;
937         lc->video_conf.cams=devices;
938 }
939
940 static void video_config_read(LinphoneCore *lc){
941 #ifdef VIDEO_ENABLED
942         int capture, display, self_view;
943 #endif
944         const char *str;        
945 #ifdef VIDEO_ENABLED    
946         LinphoneVideoPolicy vpol;
947         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
948 #endif
949         build_video_devices_table(lc);
950
951         str=lp_config_get_string(lc->config,"video","device",NULL);
952         if (str && str[0]==0) str=NULL;
953         linphone_core_set_video_device(lc,str);
954
955         linphone_core_set_preferred_video_size_by_name(lc,
956                 lp_config_get_string(lc->config,"video","size","cif"));
957
958 #ifdef VIDEO_ENABLED
959         capture=lp_config_get_int(lc->config,"video","capture",1);
960         display=lp_config_get_int(lc->config,"video","display",1);
961         self_view=lp_config_get_int(lc->config,"video","self_view",1);
962         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
963         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
964         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
965         if(lc->video_conf.displaytype)
966                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
967
968         linphone_core_enable_video(lc,capture,display);
969         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
970         linphone_core_enable_self_view(lc,self_view);
971         linphone_core_set_video_policy(lc,&vpol);
972 #endif
973 }
974
975 static void ui_config_read(LinphoneCore *lc)
976 {
977         LinphoneFriend *lf;
978         int i;
979         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
980                 linphone_core_add_friend(lc,lf);
981         }
982         call_logs_read_from_config_file(lc);
983 }
984
985 /*
986 static void autoreplier_config_init(LinphoneCore *lc)
987 {
988         autoreplier_config_t *config=&lc->autoreplier_conf;
989         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
990         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
991         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
992         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
993         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
994         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
995 }
996 */
997
998 bool_t linphone_core_tunnel_available(void){
999 #ifdef TUNNEL_ENABLED
1000         return TRUE;
1001 #else
1002         return FALSE;
1003 #endif
1004 }
1005
1006 /**
1007  * Enable adaptive rate control.
1008  * 
1009  * @ingroup media_parameters
1010  *
1011  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
1012  * control the output bitrate of the audio and video encoders, so that we can adapt to the network conditions and
1013  * available bandwidth. Control of the audio encoder is done in case of audio-only call, and control of the video encoder is done for audio & video calls.
1014  * Adaptive rate control feature is enabled by default.
1015 **/
1016 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
1017         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
1018 }
1019
1020 /**
1021  * Returns whether adaptive rate control is enabled.
1022  * 
1023  * @ingroup media_parameters
1024  *
1025  * See linphone_core_enable_adaptive_rate_control().
1026 **/
1027 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
1028         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
1029 }
1030
1031 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
1032         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
1033 }
1034
1035 /**
1036  * Sets maximum available download bandwidth
1037  *
1038  * @ingroup media_parameters
1039  *
1040  * This is IP bandwidth, in kbit/s.
1041  * This information is used signaled to other parties during
1042  * calls (within SDP messages) so that the remote end can have
1043  * sufficient knowledge to properly configure its audio & video
1044  * codec output bitrate to not overflow available bandwidth.
1045  *
1046  * @param lc the LinphoneCore object
1047  * @param bw the bandwidth in kbits/s, 0 for infinite
1048  */
1049 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
1050         lc->net_conf.download_bw=bw;
1051         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
1052 }
1053
1054 /**
1055  * Sets maximum available upload bandwidth
1056  *
1057  * @ingroup media_parameters
1058  *
1059  * This is IP bandwidth, in kbit/s.
1060  * This information is used by liblinphone together with remote
1061  * side available bandwidth signaled in SDP messages to properly
1062  * configure audio & video codec's output bitrate.
1063  *
1064  * @param lc the LinphoneCore object
1065  * @param bw the bandwidth in kbits/s, 0 for infinite
1066  */
1067 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
1068         lc->net_conf.upload_bw=bw;
1069         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
1070 }
1071
1072 /**
1073  * Retrieve the maximum available download bandwidth.
1074  *
1075  * @ingroup media_parameters
1076  *
1077  * This value was set by linphone_core_set_download_bandwidth().
1078  *
1079 **/
1080 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
1081         return lc->net_conf.download_bw;
1082 }
1083
1084 /**
1085  * Retrieve the maximum available upload bandwidth.
1086  *
1087  * @ingroup media_parameters
1088  *
1089  * This value was set by linphone_core_set_upload_bandwidth().
1090  *
1091 **/
1092 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1093         return lc->net_conf.upload_bw;
1094 }
1095 /**
1096  * Set audio packetization time linphone expects to receive from peer.
1097  * A value of zero means that ptime is not specified.
1098  * @ingroup media_parameters
1099  */
1100 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1101         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1102 }
1103
1104 /**
1105  * Get audio packetization time linphone expects to receive from peer.
1106  * A value of zero means that ptime is not specified.
1107  * @ingroup media_parameters
1108  */
1109 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1110         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1111 }
1112
1113 /**
1114  * Set audio packetization time linphone will send (in absence of requirement from peer)
1115  * A value of 0 stands for the current codec default packetization time.
1116  *
1117  * @ingroup media_parameters
1118 **/
1119 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1120         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1121 }
1122
1123 /**
1124  * Set audio packetization time linphone will send (in absence of requirement from peer)
1125  * A value of 0 stands for the current codec default packetization time.
1126  *
1127  * 
1128  * @ingroup media_parameters
1129 **/
1130 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1131         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1132 }
1133
1134
1135
1136 /**
1137  * Returns liblinphone's version as a string.
1138  *
1139  * @ingroup misc
1140  *
1141 **/
1142 const char * linphone_core_get_version(void){
1143         return liblinphone_version;
1144 }
1145
1146 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1147         PayloadType *pt;
1148         pt=payload_type_clone(const_pt);
1149         if (number==-1){
1150                 /*look for a free number */
1151                 MSList *elem;
1152                 int i;
1153                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1154                         bool_t already_assigned=FALSE;
1155                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1156                                 PayloadType *it=(PayloadType*)elem->data;
1157                                 if (payload_type_get_number(it)==i){
1158                                         already_assigned=TRUE;
1159                                         break;
1160                                 }
1161                         }
1162                         if (!already_assigned){
1163                                 number=i;
1164                                 lc->dyn_pt=i+1;
1165                                 break;
1166                         }
1167                 }
1168                 if (number==-1){
1169                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1170                 }
1171         }
1172         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1173         payload_type_set_number(pt,number);
1174         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1175         rtp_profile_set_payload(lc->default_profile,number,pt);
1176         lc->payload_types=ms_list_append(lc->payload_types,pt);
1177 }
1178
1179 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1180         RtpProfile *prof=&av_profile;
1181         int i;
1182         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1183                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1184                 if (pt){
1185                         if (payload_type_get_number(pt)!=i){
1186                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1187                         }
1188                 }
1189         }
1190 }
1191
1192 static void linphone_core_free_payload_types(LinphoneCore *lc){
1193         rtp_profile_clear_all(lc->default_profile);
1194         rtp_profile_destroy(lc->default_profile);
1195         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1196         ms_list_free(lc->payload_types);
1197         lc->payload_types=NULL;
1198 }
1199
1200 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1201         lc->state=gstate;
1202         if (lc->vtable.global_state_changed){
1203                 lc->vtable.global_state_changed(lc,gstate,message);
1204         }
1205 }
1206 static void misc_config_read (LinphoneCore *lc) {
1207         LpConfig *config=lc->config;
1208         lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1209         lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1210 }
1211
1212
1213
1214
1215 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, LpConfig *config, void * userdata)
1216 {
1217         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1218         memset (lc, 0, sizeof (LinphoneCore));
1219         lc->config=config;
1220         lc->data=userdata;
1221         lc->ringstream_autorelease=TRUE;
1222
1223         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1224
1225         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1226         ortp_init();
1227         lc->dyn_pt=96;
1228         lc->default_profile=rtp_profile_new("default profile");
1229         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1230         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1231         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1232         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1233         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1234         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1235         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1236         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1237
1238 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1239         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1240          - to workaround potential packet losses
1241          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1242          */
1243         _linphone_core_configure_resolver();
1244 #endif
1245
1246 #ifdef ENABLE_NONSTANDARD_GSM
1247         {
1248                 PayloadType *pt;
1249                 pt=payload_type_clone(&payload_type_gsm);
1250                 pt->clock_rate=11025;
1251                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1252                 pt->clock_rate=22050;
1253                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1254                 payload_type_destroy(pt);
1255         }
1256 #endif
1257
1258 #ifdef VIDEO_ENABLED
1259         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1260         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1261         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1262         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1263         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1264         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1265         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1266         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1267         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1268 #endif
1269
1270         /*add all payload type for which we don't care about the number */
1271         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1272         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1273         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1274         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1275         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1276         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1277         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1278         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1279         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1280         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1281         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1282         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1283         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1284         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1285         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1286         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1287         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1288         linphone_core_assign_payload_type(lc,&payload_type_aaceld_22k,-1,"config=F8EE2000; constantDuration=512;  indexDeltaLength=3; indexLength=3; mode=AAC-hbr; profile-level-id=24; sizeLength=13; streamType=5");
1289         linphone_core_assign_payload_type(lc,&payload_type_aaceld_44k,-1,"config=F8E82000; constantDuration=512;  indexDeltaLength=3; indexLength=3; mode=AAC-hbr; profile-level-id=24; sizeLength=13; streamType=5");
1290         linphone_core_handle_static_payloads(lc);
1291         
1292         ms_init();
1293         /* create a mediastreamer2 event queue and set it as global */
1294         /* This allows to run event's callback in linphone_core_iterate() */
1295         lc->msevq=ms_event_queue_new();
1296         ms_set_global_event_queue(lc->msevq);
1297
1298         lc->sal=sal_init();
1299         sal_set_user_pointer(lc->sal,lc);
1300         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1301
1302         lc->network_last_check = 0;
1303         lc->network_last_status = FALSE;
1304
1305         sip_setup_register_all();
1306         sound_config_read(lc);
1307         net_config_read(lc);
1308         rtp_config_read(lc);
1309         codecs_config_read(lc);
1310         sip_config_read(lc); /* this will start eXosip*/
1311         video_config_read(lc);
1312         //autoreplier_config_init(&lc->autoreplier_conf);
1313         lc->presence_mode=LinphoneStatusOnline;
1314         misc_config_read(lc);
1315         ui_config_read(lc);
1316 #ifdef TUNNEL_ENABLED
1317         lc->tunnel=linphone_core_tunnel_new(lc);
1318         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1319 #endif
1320         if (lc->vtable.display_status)
1321                 lc->vtable.display_status(lc,_("Ready"));
1322         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1323         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1324 }
1325
1326 /**
1327  * Instanciates a LinphoneCore object.
1328  * @ingroup initializing
1329  *
1330  * The LinphoneCore object is the primary handle for doing all phone actions.
1331  * It should be unique within your application.
1332  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1333  * @param config_path a path to a config file. If it does not exists it will be created.
1334  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1335  *             become persistent over the life of the LinphoneCore object.
1336  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1337  * @param factory_config_path a path to a read-only config file that can be used to
1338  *        to store hard-coded preference such as proxy settings or internal preferences.
1339  *        The settings in this factory file always override the one in the normal config file.
1340  *        It is OPTIONAL, use NULL if unneeded.
1341  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1342  *        callbacks) using linphone_core_get_user_data().
1343  * @see linphone_core_new_with_config
1344 **/
1345 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1346                                                 const char *config_path, const char *factory_config_path, void * userdata)
1347 {
1348         LpConfig *config = lp_config_new_with_factory(config_path, factory_config_path);
1349         return linphone_core_new_with_config(vtable, config, userdata);
1350 }
1351
1352 LinphoneCore *linphone_core_new_with_config(const LinphoneCoreVTable *vtable, struct _LpConfig *config, void *userdata)
1353 {
1354         LinphoneCore *core = ms_new(LinphoneCore, 1);
1355         linphone_core_init(core, vtable, config, userdata);
1356         return core;
1357 }
1358
1359 /**
1360  * Returns the list of available audio codecs.
1361  *
1362  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1363  * structure holding the codec information.
1364  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1365  * (such as the order of codecs).
1366  * @ingroup media_parameters
1367 **/
1368 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1369 {
1370         return lc->codecs_conf.audio_codecs;
1371 }
1372
1373 /**
1374  * Returns the list of available video codecs.
1375  *
1376  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1377  * structure holding the codec information.
1378  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1379  * (such as the order of codecs).
1380  * @ingroup media_parameters
1381 **/
1382 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1383 {
1384         return lc->codecs_conf.video_codecs;
1385 }
1386
1387 /**
1388  * Sets the local "from" identity.
1389  *
1390  * @ingroup proxies
1391  * This data is used in absence of any proxy configuration or when no
1392  * default proxy configuration is set. See LinphoneProxyConfig
1393 **/
1394 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1395 {
1396         LinphoneAddress *ctt;
1397
1398         if ((ctt=linphone_address_new(contact))==0) {
1399                 ms_error("Bad contact url: %s",contact);
1400                 return -1;
1401         }
1402         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1403         lc->sip_conf.contact=ms_strdup(contact);
1404         if (lc->sip_conf.guessed_contact!=NULL){
1405                 ms_free(lc->sip_conf.guessed_contact);
1406                 lc->sip_conf.guessed_contact=NULL;
1407         }
1408         linphone_address_destroy(ctt);
1409         return 0;
1410 }
1411
1412
1413 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1414 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1415         const char *ip;
1416         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1417             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1418                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1419                 return;
1420         }
1421 #ifdef BUILD_UPNP
1422         else if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
1423                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
1424                 ip = linphone_upnp_context_get_external_ipaddress(lc->upnp);
1425                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1426                 return;
1427         }
1428 #endif //BUILD_UPNP
1429         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1430                 return;
1431         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1432         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1433 }
1434
1435 static void update_primary_contact(LinphoneCore *lc){
1436         char *guessed=NULL;
1437         char tmp[LINPHONE_IPADDR_SIZE];
1438
1439         LinphoneAddress *url;
1440         if (lc->sip_conf.guessed_contact!=NULL){
1441                 ms_free(lc->sip_conf.guessed_contact);
1442                 lc->sip_conf.guessed_contact=NULL;
1443         }
1444         url=linphone_address_new(lc->sip_conf.contact);
1445         if (!url){
1446                 ms_error("Could not parse identity contact !");
1447                 url=linphone_address_new("sip:unknown@unkwownhost");
1448         }
1449         linphone_core_get_local_ip(lc, NULL, tmp);
1450         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1451                 ms_warning("Local loopback network only !");
1452                 lc->sip_conf.loopback_only=TRUE;
1453         }else lc->sip_conf.loopback_only=FALSE;
1454         linphone_address_set_domain(url,tmp);
1455         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1456         guessed=linphone_address_as_string(url);
1457         lc->sip_conf.guessed_contact=guessed;
1458         linphone_address_destroy(url);
1459 }
1460
1461 /**
1462  * Returns the default identity when no proxy configuration is used.
1463  *
1464  * @ingroup proxies
1465 **/
1466 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1467         char *identity;
1468
1469         if (lc->sip_conf.guess_hostname){
1470                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1471                         update_primary_contact(lc);
1472                 }
1473                 identity=lc->sip_conf.guessed_contact;
1474         }else{
1475                 identity=lc->sip_conf.contact;
1476         }
1477         return identity;
1478 }
1479
1480 /**
1481  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1482  *
1483  * @ingroup proxies
1484 **/
1485 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1486         lc->sip_conf.guess_hostname=val;
1487 }
1488
1489 /**
1490  * Returns TRUE if hostname part of primary contact is guessed automatically.
1491  *
1492  * @ingroup proxies
1493 **/
1494 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1495         return lc->sip_conf.guess_hostname;
1496 }
1497
1498 /**
1499  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1500  * instead of const char*
1501  *
1502  * @ingroup proxies
1503 **/
1504 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1505         return linphone_address_new(linphone_core_get_primary_contact(lc));
1506 }
1507
1508 /**
1509  * Sets the list of audio codecs.
1510  *
1511  * @ingroup media_parameters
1512  * The list is taken by the LinphoneCore thus the application should not free it.
1513  * This list is made of struct PayloadType describing the codec parameters.
1514 **/
1515 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1516 {
1517         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1518         lc->codecs_conf.audio_codecs=codecs;
1519         _linphone_core_codec_config_write(lc);
1520         return 0;
1521 }
1522
1523 /**
1524  * Sets the list of video codecs.
1525  *
1526  * @ingroup media_parameters
1527  * The list is taken by the LinphoneCore thus the application should not free it.
1528  * This list is made of struct PayloadType describing the codec parameters.
1529 **/
1530 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1531 {
1532         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1533         lc->codecs_conf.video_codecs=codecs;
1534         _linphone_core_codec_config_write(lc);
1535         return 0;
1536 }
1537
1538 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1539 {
1540         return lc->friends;
1541 }
1542
1543 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1544 {
1545         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1546 }
1547
1548 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1549 {
1550         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1551 }
1552
1553 /**
1554  * Returns the nominal audio jitter buffer size in milliseconds.
1555  *
1556  * @ingroup media_parameters
1557 **/
1558 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1559 {
1560         return lc->rtp_conf.audio_jitt_comp;
1561 }
1562
1563 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1564 {
1565         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1566 }
1567
1568 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1569 {
1570         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1571 }
1572
1573 /**
1574  * Returns the nominal video jitter buffer size in milliseconds.
1575  *
1576  * @ingroup media_parameters
1577 **/
1578 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1579 {
1580         return lc->rtp_conf.video_jitt_comp;
1581 }
1582
1583 /**
1584  * Returns the UDP port used for audio streaming.
1585  *
1586  * @ingroup network_parameters
1587 **/
1588 int linphone_core_get_audio_port(const LinphoneCore *lc)
1589 {
1590         return lc->rtp_conf.audio_rtp_min_port;
1591 }
1592
1593 /**
1594  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1595  *
1596  * @ingroup network_parameters
1597  */
1598 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1599 {
1600         *min_port = lc->rtp_conf.audio_rtp_min_port;
1601         *max_port = lc->rtp_conf.audio_rtp_max_port;
1602 }
1603
1604 /**
1605  * Returns the UDP port used for video streaming.
1606  *
1607  * @ingroup network_parameters
1608 **/
1609 int linphone_core_get_video_port(const LinphoneCore *lc){
1610         return lc->rtp_conf.video_rtp_min_port;
1611 }
1612
1613 /**
1614  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1615  *
1616  * @ingroup network_parameters
1617  */
1618 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1619 {
1620         *min_port = lc->rtp_conf.video_rtp_min_port;
1621         *max_port = lc->rtp_conf.video_rtp_max_port;
1622 }
1623
1624
1625 /**
1626  * Returns the value in seconds of the no-rtp timeout.
1627  *
1628  * @ingroup media_parameters
1629  * When no RTP or RTCP packets have been received for a while
1630  * LinphoneCore will consider the call is broken (remote end crashed or
1631  * disconnected from the network), and thus will terminate the call.
1632  * The no-rtp timeout is the duration above which the call is considered broken.
1633 **/
1634 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1635         return lc->rtp_conf.nortp_timeout;
1636 }
1637
1638 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1639         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1640 }
1641
1642 /**
1643  * Sets the nominal audio jitter buffer size in milliseconds.
1644  *
1645  * @ingroup media_parameters
1646 **/
1647 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1648 {
1649         lc->rtp_conf.audio_jitt_comp=value;
1650 }
1651
1652 /**
1653  * Sets the nominal video jitter buffer size in milliseconds.
1654  *
1655  * @ingroup media_parameters
1656 **/
1657 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1658 {
1659         lc->rtp_conf.video_jitt_comp=value;
1660 }
1661
1662 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1663         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1664 }
1665
1666 /**
1667  * Sets the UDP port used for audio streaming.
1668  *
1669  * @ingroup network_parameters
1670 **/
1671 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1672 {
1673         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1674 }
1675
1676 /**
1677  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1678  * @ingroup media_parameters
1679  */
1680 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1681 {
1682         lc->rtp_conf.audio_rtp_min_port=min_port;
1683         lc->rtp_conf.audio_rtp_max_port=max_port;
1684 }
1685
1686 /**
1687  * Sets the UDP port used for video streaming.
1688  *
1689  * @ingroup network_parameters
1690 **/
1691 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1692         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1693 }
1694
1695 /**
1696  * Sets the UDP port range from which to randomly select the port used for video streaming.
1697  * @ingroup media_parameters
1698  */
1699 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1700 {
1701         lc->rtp_conf.video_rtp_min_port=min_port;
1702         lc->rtp_conf.video_rtp_max_port=max_port;
1703 }
1704
1705 /**
1706  * Sets the no-rtp timeout value in seconds.
1707  *
1708  * @ingroup media_parameters
1709  * See linphone_core_get_nortp_timeout() for details.
1710 **/
1711 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1712         lc->rtp_conf.nortp_timeout=nortp_timeout;
1713 }
1714
1715 /**
1716  * Indicates whether SIP INFO is used for sending digits.
1717  *
1718  * @ingroup media_parameters
1719 **/
1720 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1721 {
1722         return lp_config_get_int(lc->config, "sip", "use_info", 0);
1723 }
1724
1725 /**
1726  * Sets whether SIP INFO is to be used for sending digits.
1727  *
1728  * @ingroup media_parameters
1729 **/
1730 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1731 {
1732         if (linphone_core_ready(lc)) {
1733                 lp_config_set_int(lc->config, "sip", "use_info", use_info);
1734         }
1735 }
1736
1737 /**
1738  * Indicates whether RFC2833 is used for sending digits.
1739  *
1740  * @ingroup media_parameters
1741 **/
1742 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1743 {
1744         return lp_config_get_int(lc->config, "sip", "use_rfc2833", 1);
1745 }
1746
1747 /**
1748  * Sets whether RFC2833 is to be used for sending digits.
1749  *
1750  * @ingroup media_parameters
1751 **/
1752 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1753 {
1754         if (linphone_core_ready(lc)) {
1755                 lp_config_set_int(lc->config, "sip", "use_rfc2833", use_rfc2833);
1756         }
1757 }
1758
1759 /**
1760  * Returns the UDP port used by SIP.
1761  *
1762  * Deprecated: use linphone_core_get_sip_transports() instead.
1763  * @ingroup network_parameters
1764 **/
1765 int linphone_core_get_sip_port(LinphoneCore *lc)
1766 {
1767         LCSipTransports *tr=&lc->sip_conf.transports;
1768         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1769 }
1770
1771 static char _ua_name[64]="Linphone";
1772 static char _ua_version[64]=LINPHONE_VERSION;
1773
1774 #ifdef HAVE_EXOSIP_GET_VERSION
1775 extern const char *eXosip_get_version();
1776 #endif
1777
1778 static void apply_user_agent(LinphoneCore *lc){
1779         char ua_string[256];
1780         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1781 #ifdef HAVE_EXOSIP_GET_VERSION
1782                  eXosip_get_version()
1783 #else
1784                  "unknown"
1785 #endif
1786         );
1787         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1788 }
1789
1790 /**
1791  * Sets the user agent string used in SIP messages.
1792  *
1793  * @ingroup misc
1794 **/
1795 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1796         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1797         strncpy(_ua_version,ver,sizeof(_ua_version));
1798         apply_user_agent(lc);
1799 }
1800
1801 const char *linphone_core_get_user_agent_name(void){
1802         return _ua_name;
1803 }
1804
1805 const char *linphone_core_get_user_agent_version(void){
1806         return _ua_version;
1807 }
1808
1809 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1810         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1811         ms_warning("%s",msg);
1812         if (lc->vtable.display_warning)
1813                 lc->vtable.display_warning(lc,msg);
1814         ms_free(msg);
1815 }
1816
1817 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1818         return
1819                 tr2->udp_port==tr1->udp_port &&
1820                 tr2->tcp_port==tr1->tcp_port &&
1821                 tr2->dtls_port==tr1->dtls_port &&
1822                 tr2->tls_port==tr1->tls_port;
1823 }
1824
1825 static int apply_transports(LinphoneCore *lc){
1826         Sal *sal=lc->sal;
1827         const char *anyaddr;
1828         LCSipTransports *tr=&lc->sip_conf.transports;
1829
1830         /*first of all invalidate all current registrations so that we can register again with new transports*/
1831         __linphone_core_invalidate_registers(lc);
1832         
1833         if (lc->sip_conf.ipv6_enabled)
1834                 anyaddr="::0";
1835         else
1836                 anyaddr="0.0.0.0";
1837
1838         sal_unlisten_ports(sal);
1839         if (tr->udp_port>0){
1840                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1841                         transport_error(lc,"udp",tr->udp_port);
1842                         return -1;
1843                 }
1844         }
1845         if (tr->tcp_port>0){
1846                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1847                         transport_error(lc,"tcp",tr->tcp_port);
1848                 }
1849         }
1850         if (tr->tls_port>0){
1851                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1852                         transport_error(lc,"tls",tr->tls_port);
1853                 }
1854         }
1855         apply_user_agent(lc);
1856         return 0;
1857 }
1858
1859 /**
1860  * Sets the ports to be used for each of transport (UDP or TCP)
1861  *
1862  * A zero value port for a given transport means the transport
1863  * is not used.
1864  *
1865  * @ingroup network_parameters
1866 **/
1867 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1868
1869         if (transports_unchanged(tr,&lc->sip_conf.transports))
1870                 return 0;
1871         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1872
1873         if (linphone_core_ready(lc)){
1874                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1875                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1876                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1877         }
1878
1879         if (lc->sal==NULL) return 0;
1880         return apply_transports(lc);
1881 }
1882
1883 /**
1884  * Retrieves the ports used for each transport (udp, tcp).
1885  * A zero value port for a given transport means the transport
1886  * is not used.
1887  * @ingroup network_parameters
1888 **/
1889 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1890         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1891         return 0;
1892 }
1893
1894 /**
1895  * Sets the UDP port to be used by SIP.
1896  *
1897  * Deprecated: use linphone_core_set_sip_transports() instead.
1898  * @ingroup network_parameters
1899 **/
1900 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1901 {
1902         LCSipTransports tr;
1903         memset(&tr,0,sizeof(tr));
1904         tr.udp_port=port;
1905         linphone_core_set_sip_transports (lc,&tr);
1906 }
1907
1908 /**
1909  * Returns TRUE if IPv6 is enabled.
1910  *
1911  * @ingroup network_parameters
1912  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1913 **/
1914 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1915         return lc->sip_conf.ipv6_enabled;
1916 }
1917
1918 /**
1919  * Turns IPv6 support on or off.
1920  *
1921  * @ingroup network_parameters
1922  *
1923  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1924  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1925  * By default IPv6 support is off.
1926 **/
1927 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1928         if (lc->sip_conf.ipv6_enabled!=val){
1929                 lc->sip_conf.ipv6_enabled=val;
1930                 if (lc->sal){
1931                         /* we need to restart eXosip */
1932                         apply_transports(lc);
1933                 }
1934         }
1935 }
1936
1937
1938 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1939         char result[LINPHONE_IPADDR_SIZE];
1940         bool_t new_status=lc->network_last_status;
1941
1942         /* only do the network up checking every five seconds */
1943         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1944                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1945                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1946                         new_status=TRUE;
1947                 }else new_status=FALSE;
1948                 lc->network_last_check=curtime;
1949                 if (new_status!=lc->network_last_status) {
1950                         if (new_status){
1951                                 ms_message("New local ip address is %s",result);
1952                         }
1953                         set_network_reachable(lc,new_status, curtime);
1954                         lc->network_last_status=new_status;
1955                 }
1956         }
1957 }
1958
1959 static void proxy_update(LinphoneCore *lc){
1960         MSList *elem,*next;
1961         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1962         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1963                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1964                 next=elem->next;
1965                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1966                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1967                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1968                         linphone_proxy_config_destroy(cfg);
1969                 }
1970         }
1971 }
1972
1973 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1974         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1975         if (lf!=NULL){
1976                 lf->info=info;
1977                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1978                 if (lc->vtable.buddy_info_updated)
1979                         lc->vtable.buddy_info_updated(lc,lf);
1980         }else{
1981                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1982         }
1983 }
1984
1985 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1986         MSList *elem;
1987         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1988         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1989                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1990                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1991                         if (req->results!=NULL){
1992                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1993                                 ms_list_free(req->results);
1994                                 req->results=NULL;
1995                                 assign_buddy_info(lc,i);
1996                         }
1997                         sip_setup_context_buddy_lookup_free(ctx,req);
1998                         elem->data=NULL;
1999                 }
2000         }
2001         /*purge completed requests */
2002         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
2003                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
2004         }
2005 }
2006
2007 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
2008         const MSList *elem;
2009         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2010         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
2011                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
2012                 if (lf->info==NULL){
2013                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
2014                                 if (linphone_address_get_username(lf->uri)!=NULL){
2015                                         BuddyLookupRequest *req;
2016                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
2017                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
2018                                         buddy_lookup_request_set_key(req,tmp);
2019                                         buddy_lookup_request_set_max_results(req,1);
2020                                         sip_setup_context_buddy_lookup_submit(ctx,req);
2021                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
2022                                         ms_free(tmp);
2023                                 }
2024                         }
2025                 }
2026         }
2027 }
2028
2029 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
2030         LinphoneProxyConfig *cfg=NULL;
2031         linphone_core_get_default_proxy(lc,&cfg);
2032         if (cfg){
2033                 if (lc->bl_refresh){
2034                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2035                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
2036                                 linphone_core_grab_buddy_infos(lc,cfg);
2037                                 lc->bl_refresh=FALSE;
2038                         }
2039                 }
2040                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
2041         }
2042 }
2043
2044 /**
2045  * Main loop function. It is crucial that your application call it periodically.
2046  *
2047  * @ingroup initializing
2048  * linphone_core_iterate() performs various backgrounds tasks:
2049  * - receiving of SIP messages
2050  * - handles timers and timeout
2051  * - performs registration to proxies
2052  * - authentication retries
2053  * The application MUST call this function periodically, in its main loop.
2054  * Be careful that this function must be called from the same thread as
2055  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
2056  * serialized with a mutex.
2057 **/
2058 void linphone_core_iterate(LinphoneCore *lc){
2059         MSList *calls;
2060         LinphoneCall *call;
2061         time_t curtime=time(NULL);
2062         int elapsed;
2063         bool_t one_second_elapsed=FALSE;
2064
2065         if (curtime-lc->prevtime>=1){
2066                 lc->prevtime=curtime;
2067                 one_second_elapsed=TRUE;
2068         }
2069
2070         if (lc->ecc!=NULL){
2071                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
2072                 if (ecs!=LinphoneEcCalibratorInProgress){
2073                         if (lc->ecc->cb)
2074                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
2075                         if (ecs==LinphoneEcCalibratorDone){
2076                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
2077                                 int margin=len/2;
2078                                 
2079                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-margin,0));
2080                         } else if (ecs == LinphoneEcCalibratorFailed) {
2081                                 lp_config_set_int(lc->config, "sound", "ec_delay", -1);/*use default value from soundcard*/
2082                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
2083                                 linphone_core_enable_echo_cancellation(lc, FALSE);
2084                         }
2085                         ec_calibrator_destroy(lc->ecc);
2086                         lc->ecc=NULL;
2087                 }
2088         }
2089
2090         if (lc->preview_finished){
2091                 lc->preview_finished=0;
2092                 ring_stop(lc->ringstream);
2093                 lc->ringstream=NULL;
2094                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
2095         }
2096
2097         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
2098             && (curtime-lc->dmfs_playing_start_time)>5){
2099                 ring_stop(lc->ringstream);
2100                 lc->ringstream=NULL;
2101                 lc->dmfs_playing_start_time=0;
2102         }
2103
2104         sal_iterate(lc->sal);
2105         if (lc->msevq) ms_event_queue_pump(lc->msevq);
2106         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
2107
2108         proxy_update(lc);
2109
2110         //we have to iterate for each call
2111         calls= lc->calls;
2112         while(calls!= NULL){
2113                 call = (LinphoneCall *)calls->data;
2114                 elapsed = curtime-call->start_time;
2115                  /* get immediately a reference to next one in case the one
2116                  we are going to examine is destroy and removed during
2117                  linphone_core_start_invite() */
2118                 calls=calls->next;
2119                 linphone_call_background_tasks(call,one_second_elapsed);
2120                 if (call->state==LinphoneCallOutgoingInit && (elapsed>=lc->sip_conf.delayed_timeout)){
2121                         /*start the call even if the OPTIONS reply did not arrive*/
2122                         if (call->ice_session != NULL) {
2123                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2124                                                 ,linphone_core_get_stun_server(lc));
2125                                 linphone_call_delete_ice_session(call);
2126                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2127                         }
2128 #ifdef BUILD_UPNP
2129                         if (call->upnp_session != NULL) {
2130                                 ms_warning("uPnP mapping has not finished yet, proceeded with the call without uPnP anyway.");
2131                                 linphone_call_delete_upnp_session(call);
2132                         }
2133 #endif //BUILD_UPNP
2134                         linphone_core_start_invite(lc,call);
2135                 }
2136                 if (call->state==LinphoneCallIncomingReceived){
2137                         ms_message("incoming call ringing for %i seconds",elapsed);
2138                         if (elapsed>lc->sip_conf.inc_timeout){
2139                                 LinphoneReason decline_reason;
2140                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2141                                 decline_reason=lc->current_call ? LinphoneReasonBusy : LinphoneReasonDeclined;
2142                                 call->log->status=LinphoneCallMissed;
2143                                 call->reason=LinphoneReasonNotAnswered;
2144                                 linphone_core_decline_call(lc,call,decline_reason);
2145                         }
2146                 }
2147                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2148                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2149                         linphone_core_terminate_call(lc,call);
2150                 }
2151         }
2152                 
2153         if (linphone_core_video_preview_enabled(lc)){
2154                 if (lc->previewstream==NULL && lc->calls==NULL)
2155                         toggle_video_preview(lc,TRUE);
2156 #ifdef VIDEO_ENABLED
2157                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2158 #endif
2159         }else{
2160                 if (lc->previewstream!=NULL)
2161                         toggle_video_preview(lc,FALSE);
2162         }
2163
2164         linphone_core_run_hooks(lc);
2165         linphone_core_do_plugin_tasks(lc);
2166
2167         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2168             (curtime-lc->netup_time)>3){
2169                 linphone_core_send_initial_subscribes(lc);
2170                 lc->initial_subscribes_sent=TRUE;
2171         }
2172
2173         if (one_second_elapsed) {
2174                 if (lp_config_needs_commit(lc->config)) {
2175                         lp_config_sync(lc->config);
2176                 }
2177         }
2178 }
2179
2180 /**
2181  * Interpret a call destination as supplied by the user, and returns a fully qualified
2182  * LinphoneAddress.
2183  * 
2184  * @ingroup call_control
2185  *
2186  * A sip address should look like DisplayName <sip:username@domain:port> .
2187  * Basically this function performs the following tasks
2188  * - if a phone number is entered, prepend country prefix of the default proxy
2189  *   configuration, eventually escape the '+' by 00.
2190  * - if no domain part is supplied, append the domain name of the default proxy
2191  * - if no sip: is present, prepend it
2192  *
2193  * The result is a syntaxically correct SIP address.
2194 **/
2195
2196 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2197         enum_lookup_res_t *enumres=NULL;
2198         char *enum_domain=NULL;
2199         LinphoneProxyConfig *proxy=lc->default_proxy;;
2200         char *tmpurl;
2201         LinphoneAddress *uri;
2202
2203         if (is_enum(url,&enum_domain)){
2204                 if (lc->vtable.display_status!=NULL)
2205                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2206                 if (enum_lookup(enum_domain,&enumres)<0){
2207                         if (lc->vtable.display_status!=NULL)
2208                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2209                         ms_free(enum_domain);
2210                         return NULL;
2211                 }
2212                 ms_free(enum_domain);
2213                 tmpurl=enumres->sip_address[0];
2214                 uri=linphone_address_new(tmpurl);
2215                 enum_lookup_res_free(enumres);
2216                 return uri;
2217         }
2218         /* check if we have a "sip:" */
2219         if (strstr(url,"sip:")==NULL){
2220                 /* this doesn't look like a true sip uri */
2221                 if (strchr(url,'@')!=NULL){
2222                         /* seems like sip: is missing !*/
2223                         tmpurl=ms_strdup_printf("sip:%s",url);
2224                         uri=linphone_address_new(tmpurl);
2225                         ms_free(tmpurl);
2226                         if (uri){
2227                                 return uri;
2228                         }
2229                 }
2230
2231                 if (proxy!=NULL){
2232                         /* append the proxy domain suffix */
2233                         const char *identity=linphone_proxy_config_get_identity(proxy);
2234                         char normalized_username[128];
2235                         uri=linphone_address_new(identity);
2236                         if (uri==NULL){
2237                                 return NULL;
2238                         }
2239                         linphone_address_set_display_name(uri,NULL);
2240                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2241                                                                 sizeof(normalized_username));
2242                         linphone_address_set_username(uri,normalized_username);
2243                         return uri;
2244                 }else return NULL;
2245         }
2246         uri=linphone_address_new(url);
2247         if (uri!=NULL){
2248                 return uri;
2249         }
2250         /* else we could not do anything with url given by user, so display an error */
2251         if (lc->vtable.display_warning!=NULL){
2252                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2253         }
2254         return NULL;
2255 }
2256
2257 /**
2258  * Returns the default identity SIP address.
2259  *
2260  * @ingroup proxies
2261  * This is an helper function:
2262  *
2263  * If no default proxy is set, this will return the primary contact (
2264  * see linphone_core_get_primary_contact() ). If a default proxy is set
2265  * it returns the registered identity on the proxy.
2266 **/
2267 const char * linphone_core_get_identity(LinphoneCore *lc){
2268         LinphoneProxyConfig *proxy=NULL;
2269         const char *from;
2270         linphone_core_get_default_proxy(lc,&proxy);
2271         if (proxy!=NULL) {
2272                 from=linphone_proxy_config_get_identity(proxy);
2273         }else from=linphone_core_get_primary_contact(lc);
2274         return from;
2275 }
2276
2277 const char * linphone_core_get_route(LinphoneCore *lc){
2278         LinphoneProxyConfig *proxy=NULL;
2279         const char *route=NULL;
2280         linphone_core_get_default_proxy(lc,&proxy);
2281         if (proxy!=NULL) {
2282                 route=linphone_proxy_config_get_route(proxy);
2283         }
2284         return route;
2285 }
2286
2287 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2288         if (call->refer_pending){
2289                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2290                 LinphoneCall *newcall;
2291                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2292                 cp->referer=call;
2293                 ms_message("Starting new call to refered address %s",call->refer_to);
2294                 call->refer_pending=FALSE;
2295                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2296                 linphone_call_params_destroy(cp);
2297                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2298         }
2299 }
2300
2301 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2302         if (referer->op!=NULL){
2303                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2304         }
2305 }
2306
2307 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2308         const MSList *elem;
2309         LinphoneProxyConfig *found_cfg=NULL;
2310         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2311
2312         /*always prefer the default proxy if it is matching the destination uri*/
2313         if (default_cfg){
2314                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2315                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2316                         return default_cfg;
2317         }
2318
2319         /*otherwise iterate through the other proxy config and return the first matching*/
2320         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2321                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2322                 const char *domain=linphone_proxy_config_get_domain(cfg);
2323                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2324                         found_cfg=cfg;
2325                         break;
2326                 }
2327         }
2328         return found_cfg;
2329 }
2330
2331 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2332         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2333         if (cfg==NULL)
2334                 linphone_core_get_default_proxy (lc,&cfg);
2335         if (cfg!=NULL){
2336                 if (route) *route=linphone_proxy_config_get_route(cfg);
2337                 return linphone_proxy_config_get_identity (cfg);
2338         }
2339         return linphone_core_get_primary_contact (lc);
2340 }
2341
2342 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2343         LinphoneAddress *ctt;
2344         const char *localip=call->localip;
2345
2346         /* first use user's supplied ip address if asked*/
2347         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2348                 ctt=linphone_core_get_primary_contact_parsed(lc);
2349                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2350                         linphone_core_get_nat_address_resolved(lc));
2351         }
2352
2353         /* if already choosed, don't change it */
2354         if (call->op && sal_op_get_contact(call->op)!=NULL){
2355                 return NULL;
2356         }
2357         /* if the ping OPTIONS request succeeded use the contact guessed from the
2358          received, rport*/
2359         if (call->ping_op){
2360                 const char *guessed=sal_op_get_contact(call->ping_op);
2361                 if (guessed){
2362                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2363                         return ms_strdup(guessed);
2364                 }
2365         }
2366
2367         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2368         if (dest_proxy && dest_proxy->op){
2369                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2370                 if (fixed_contact) {
2371                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2372                         return ms_strdup(fixed_contact);
2373                 }
2374         }
2375
2376         ctt=linphone_core_get_primary_contact_parsed(lc);
2377
2378         if (ctt!=NULL){
2379                 char *ret;
2380                 /*otherwise use supllied localip*/
2381                 linphone_address_set_domain(ctt,localip);
2382                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2383                 ret=linphone_address_as_string_uri_only(ctt);
2384                 linphone_address_destroy(ctt);
2385                 ms_message("Contact has been fixed using local ip to %s",ret);
2386                 return ret;
2387         }
2388         return NULL;
2389 }
2390
2391 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2392         bool_t ice_ready = FALSE;
2393         bool_t upnp_ready = FALSE;
2394         bool_t ping_ready = FALSE;
2395
2396         if (call->ice_session != NULL) {
2397                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2398         } else {
2399                 ice_ready = TRUE;
2400         }
2401 #ifdef BUILD_UPNP
2402         if (call->upnp_session != NULL) {
2403                 if (linphone_upnp_session_get_state(call->upnp_session) == LinphoneUpnpStateOk) upnp_ready = TRUE;
2404         } else {
2405                 upnp_ready = TRUE;
2406         }
2407 #else
2408         upnp_ready=TRUE;
2409 #endif //BUILD_UPNP
2410         if (call->ping_op != NULL) {
2411                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2412         } else {
2413                 ping_ready = TRUE;
2414         }
2415
2416         if ((ice_ready == TRUE) && (upnp_ready == TRUE) && (ping_ready == TRUE)) {
2417                 return linphone_core_start_invite(lc, call);
2418         }
2419         return 0;
2420 }
2421
2422 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2423         int err;
2424         char *contact;
2425         char *real_url,*barmsg;
2426         char *from;
2427         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2428
2429         /*try to be best-effort in giving real local or routable contact address */
2430         contact=get_fixed_contact(lc,call,dest_proxy);
2431         if (contact){
2432                 sal_op_set_contact(call->op, contact);
2433                 ms_free(contact);
2434         }
2435         linphone_core_stop_dtmf_stream(lc);
2436         linphone_call_init_media_streams(call);
2437         if (lc->ringstream==NULL)
2438                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2439         linphone_call_make_local_media_description(lc,call);
2440         if (!lc->sip_conf.sdp_200_ack){
2441                 call->media_pending=TRUE;
2442                 sal_call_set_local_media_description(call->op,call->localdesc);
2443         }
2444         real_url=linphone_address_as_string(call->log->to);
2445         from=linphone_address_as_string(call->log->from);
2446         err=sal_call(call->op,from,real_url);
2447         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2448
2449         if (lc->sip_conf.sdp_200_ack){
2450                 call->media_pending=TRUE;
2451                 sal_call_set_local_media_description(call->op,call->localdesc);
2452         }
2453         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2454         if (lc->vtable.display_status!=NULL)
2455                 lc->vtable.display_status(lc,barmsg);
2456         ms_free(barmsg);
2457
2458         if (err<0){
2459                 if (lc->vtable.display_status!=NULL)
2460                         lc->vtable.display_status(lc,_("Could not call"));
2461                 linphone_call_stop_media_streams(call);
2462                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2463         }else {
2464                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2465         }
2466         ms_free(real_url);
2467         ms_free(from);
2468         return err;
2469 }
2470
2471 /**
2472  * Initiates an outgoing call
2473  *
2474  * @ingroup call_control
2475  * @param lc the LinphoneCore object
2476  * @param url the destination of the call (sip address, or phone number).
2477  *
2478  * The application doesn't own a reference to the returned LinphoneCall object.
2479  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2480  *
2481  * @return a LinphoneCall object or NULL in case of failure
2482 **/
2483 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2484         LinphoneCall *call;
2485         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2486         p->has_video &= !!lc->video_policy.automatically_initiate;
2487         call=linphone_core_invite_with_params(lc,url,p);
2488         linphone_call_params_destroy(p);
2489         return call;
2490 }
2491
2492
2493 /**
2494  * Initiates an outgoing call according to supplied call parameters
2495  *
2496  * @ingroup call_control
2497  * @param lc the LinphoneCore object
2498  * @param url the destination of the call (sip address, or phone number).
2499  * @param p call parameters
2500  *
2501  * The application doesn't own a reference to the returned LinphoneCall object.
2502  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2503  *
2504  * @return a LinphoneCall object or NULL in case of failure
2505 **/
2506 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2507         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2508         if (addr){
2509                 LinphoneCall *call;
2510                 call=linphone_core_invite_address_with_params(lc,addr,p);
2511                 linphone_address_destroy(addr);
2512                 return call;
2513         }
2514         return NULL;
2515 }
2516
2517 /**
2518  * Initiates an outgoing call given a destination LinphoneAddress
2519  *
2520  * @ingroup call_control
2521  * @param lc the LinphoneCore object
2522  * @param addr the destination of the call (sip address).
2523  *
2524  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2525  * created by linphone_core_interpret_url().
2526  * The application doesn't own a reference to the returned LinphoneCall object.
2527  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2528  *
2529  * @return a LinphoneCall object or NULL in case of failure
2530 **/
2531 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2532         LinphoneCall *call;
2533         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2534         p->has_video &= !!lc->video_policy.automatically_initiate;
2535         call=linphone_core_invite_address_with_params (lc,addr,p);
2536         linphone_call_params_destroy(p);
2537         return call;
2538 }
2539
2540
2541 /**
2542  * Initiates an outgoing call given a destination LinphoneAddress
2543  *
2544  * @ingroup call_control
2545  * @param lc the LinphoneCore object
2546  * @param addr the destination of the call (sip address).
2547         @param params call parameters
2548  *
2549  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2550  * created by linphone_core_interpret_url().
2551  * The application doesn't own a reference to the returned LinphoneCall object.
2552  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2553  *
2554  * @return a LinphoneCall object or NULL in case of failure
2555 **/
2556 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2557 {
2558         const char *route=NULL;
2559         const char *from=NULL;
2560         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2561         LinphoneAddress *parsed_url2=NULL;
2562         char *real_url=NULL;
2563         LinphoneCall *call;
2564         bool_t defer = FALSE;
2565
2566         linphone_core_preempt_sound_resources(lc);
2567         
2568         if(!linphone_core_can_we_add_call(lc)){
2569                 if (lc->vtable.display_warning)
2570                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2571                 return NULL;
2572         }
2573         linphone_core_get_default_proxy(lc,&proxy);
2574         route=linphone_core_get_route(lc);
2575
2576         real_url=linphone_address_as_string(addr);
2577         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2578
2579         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2580                 ms_message("Overriding default proxy setting for this call:");
2581                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2582         }
2583
2584         if (dest_proxy!=NULL)
2585                 from=linphone_proxy_config_get_identity(dest_proxy);
2586         else if (proxy!=NULL)
2587                 from=linphone_proxy_config_get_identity(proxy);
2588
2589         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2590         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2591
2592         parsed_url2=linphone_address_new(from);
2593
2594         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2595         call->dest_proxy=dest_proxy;
2596         sal_op_set_route(call->op,route);
2597
2598         if(linphone_core_add_call(lc,call)!= 0)
2599         {
2600                 ms_warning("we had a problem in adding the call into the invite ... weird");
2601                 linphone_call_unref(call);
2602                 return NULL;
2603         }
2604         /* this call becomes now the current one*/
2605         lc->current_call=call;
2606         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2607         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2608                 /* Defer the start of the call after the ICE gathering process. */
2609                 linphone_call_init_media_streams(call);
2610                 linphone_call_start_media_streams_for_ice_gathering(call);
2611                 call->start_time=time(NULL);
2612                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2613                         /* Ice candidates gathering failed, proceed with the call anyway. */
2614                         linphone_call_delete_ice_session(call);
2615                         linphone_call_stop_media_streams_for_ice_gathering(call);
2616                 } else {
2617                         defer = TRUE;
2618                 }
2619         }
2620         else if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseUpnp) {
2621 #ifdef BUILD_UPNP
2622                 linphone_call_init_media_streams(call);
2623                 call->start_time=time(NULL);
2624                 if (linphone_core_update_upnp(lc,call)<0) {
2625                         /* uPnP port mappings failed, proceed with the call anyway. */
2626                         linphone_call_delete_upnp_session(call);
2627                 } else {
2628                         defer = TRUE;
2629                 }
2630 #endif //BUILD_UPNP
2631         }
2632
2633         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2634 #ifdef BUILD_UPNP
2635                 if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
2636                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
2637 #else //BUILD_UPNP
2638                 {
2639 #endif //BUILD_UPNP
2640                         /*defer the start of the call after the OPTIONS ping*/
2641                         call->ping_replied=FALSE;
2642                         call->ping_op=sal_op_new(lc->sal);
2643                         sal_ping(call->ping_op,from,real_url);
2644                         sal_op_set_user_pointer(call->ping_op,call);
2645                         call->start_time=time(NULL);
2646                         defer = TRUE;
2647                 }
2648         }
2649         
2650         if (defer==FALSE) linphone_core_start_invite(lc,call);
2651
2652         if (real_url!=NULL) ms_free(real_url);
2653         return call;
2654 }
2655
2656 /**
2657  * Performs a simple call transfer to the specified destination.
2658  *
2659  * @ingroup call_control
2660  * The remote endpoint is expected to issue a new call to the specified destination.
2661  * The current call remains active and thus can be later paused or terminated.
2662 **/
2663 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2664 {
2665         char *real_url=NULL;
2666         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2667
2668         if (!real_parsed_url){
2669                 /* bad url */
2670                 return -1;
2671         }
2672         if (call==NULL){
2673                 ms_warning("No established call to refer.");
2674                 return -1;
2675         }
2676         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2677         real_url=linphone_address_as_string (real_parsed_url);
2678         sal_call_refer(call->op,real_url);
2679         ms_free(real_url);
2680         linphone_address_destroy(real_parsed_url);
2681         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2682         return 0;
2683 }
2684
2685 /**
2686  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2687  * @param lc linphone core object
2688  * @param call a running call you want to transfer
2689  * @param dest a running call whose remote person will receive the transfer
2690  * 
2691  * @ingroup call_control
2692  *
2693  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2694  * The destination call is a call previously established to introduce the transfered person.
2695  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2696  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2697  * close the call with us (the 'dest' call).
2698 **/
2699 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2700         int result = sal_call_refer_with_replaces (call->op,dest->op);
2701         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2702         return result;
2703 }
2704
2705 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2706         LinphoneCall *call = linphone_core_get_current_call(lc);
2707         if(call != NULL)
2708         {
2709                 if(call->dir==LinphoneCallIncoming
2710                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2711                         return TRUE;
2712         }
2713         return FALSE;
2714 }
2715
2716 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md){
2717         if (linphone_core_is_media_encryption_mandatory(lc) && linphone_core_get_media_encryption(lc)==LinphoneMediaEncryptionSRTP){
2718                 int i;
2719                 for(i=0;i<md->n_active_streams;i++){
2720                         SalStreamDescription *sd=&md->streams[i];
2721                         if (sd->proto!=SalProtoRtpSavp){
2722                                 return TRUE;
2723                         }
2724                 }
2725         }
2726         return FALSE;
2727 }
2728
2729 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2730         char *barmesg;
2731         char *tmp;
2732         LinphoneAddress *from_parsed;
2733         SalMediaDescription *md;
2734         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2735         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2736
2737         linphone_call_make_local_media_description(lc,call);
2738         sal_call_set_local_media_description(call->op,call->localdesc);
2739         md=sal_call_get_final_media_description(call->op);
2740         if (md){
2741                 if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){
2742                         sal_call_decline(call->op,SalReasonMedia,NULL);
2743                         linphone_call_unref(call);
2744                         return;
2745                 }
2746         }
2747
2748         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2749         linphone_address_clean(from_parsed);
2750         tmp=linphone_address_as_string(from_parsed);
2751         linphone_address_destroy(from_parsed);
2752         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2753             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2754         if (lc->vtable.show) lc->vtable.show(lc);
2755         if (lc->vtable.display_status)
2756             lc->vtable.display_status(lc,barmesg);
2757
2758         /* play the ring if this is the only call*/
2759         if (ms_list_size(lc->calls)==1){
2760                 lc->current_call=call;
2761                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2762                         ring_stop(lc->ringstream);
2763                         lc->ringstream=NULL;
2764                         lc->dmfs_playing_start_time=0;
2765                 }
2766                 if (lc->sound_conf.ring_sndcard!=NULL){
2767                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2768                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2769                                 ms_message("Starting local ring...");
2770                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2771                         }
2772                         else
2773                         {
2774                                 ms_message("the local ring is already started");
2775                         }
2776                 }
2777         }else{
2778                 /* else play a tone within the context of the current call */
2779                 call->ringing_beep=TRUE;
2780                 linphone_core_play_named_tone(lc,LinphoneToneCallWaiting);
2781         }
2782
2783         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2784
2785         if (call->state==LinphoneCallIncomingReceived){
2786                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2787
2788                 if (propose_early_media || ringback_tone!=NULL){
2789                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2790                         md=sal_call_get_final_media_description(call->op);
2791                         linphone_core_update_streams(lc,call,md);
2792                 }
2793                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2794                         linphone_core_accept_call(lc,call);
2795                 }
2796         }
2797         linphone_call_unref(call);
2798
2799         ms_free(barmesg);
2800         ms_free(tmp);
2801 }
2802
2803 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2804         const char *subject;
2805         call->camera_active=call->params.has_video;
2806         if (call->ice_session != NULL) {
2807                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2808         }
2809 #ifdef BUILD_UPNP
2810         if(call->upnp_session != NULL) {
2811                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2812         }
2813 #endif //BUILD_UPNP
2814         if (call->params.in_conference){
2815                 subject="Conference";
2816         }else{
2817                 subject="Media change";
2818         }
2819         if (lc->vtable.display_status)
2820                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2821         sal_call_set_local_media_description (call->op,call->localdesc);
2822         return sal_call_update(call->op,subject);
2823 }
2824
2825 /**
2826  * @ingroup call_control
2827  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2828  *
2829  * In this version this is limited to the following use cases:
2830  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2831  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2832  *
2833  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2834  * @param lc the core
2835  * @param call the call to be updated
2836  * @param params the new call parameters to use. (may be NULL)
2837  * @return 0 if successful, -1 otherwise.
2838 **/
2839 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2840         int err=0;
2841         if (params!=NULL){
2842                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2843 #ifdef VIDEO_ENABLED
2844                 bool_t has_video = call->params.has_video;
2845
2846                 // Video removing
2847                 if((call->videostream != NULL) && !params->has_video) {
2848                         if (call->ice_session != NULL) {
2849                                 ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2850                                 call->videostream->ms.ice_check_list = NULL;
2851                         }
2852 #ifdef BUILD_UPNP
2853                         if(call->upnp_session != NULL) {
2854                                 if (linphone_core_update_upnp(lc, call)<0) {
2855                                         /* uPnP port mappings failed, proceed with the call anyway. */
2856                                         linphone_call_delete_upnp_session(call);
2857                                 }
2858                         }
2859 #endif //BUILD_UPNP
2860                 }
2861                 
2862                 _linphone_call_params_copy(&call->params,params);
2863                 linphone_call_make_local_media_description(lc, call);
2864
2865                 // Video adding
2866                 if (!has_video && call->params.has_video) {
2867                         if (call->ice_session != NULL) {
2868                                 /* Defer call update until the ICE candidates gathering process has finished. */
2869                                 ms_message("Defer call update to gather ICE candidates");
2870                                 linphone_call_init_video_stream(call);
2871                                 video_stream_prepare_video(call->videostream);
2872                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2873                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2874                                         linphone_call_delete_ice_session(call);
2875                                 } else {
2876                                         return err;
2877                                 }
2878                         }
2879 #ifdef BUILD_UPNP
2880                         if(call->upnp_session != NULL) {
2881                                 ms_message("Defer call update to add uPnP port mappings");
2882                                 linphone_call_init_video_stream(call);
2883                                 video_stream_prepare_video(call->videostream);
2884                                 if (linphone_core_update_upnp(lc, call)<0) {
2885                                         /* uPnP port mappings failed, proceed with the call anyway. */
2886                                         linphone_call_delete_upnp_session(call);
2887                                 } else {
2888                                         return err;
2889                                 }
2890                         }
2891 #endif //BUILD_UPNP
2892                 }
2893 #endif
2894                 err = linphone_core_start_update_call(lc, call);
2895         }else{
2896 #ifdef VIDEO_ENABLED
2897                 if (call->videostream!=NULL){
2898                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2899                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2900                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2901                         }else video_stream_update_video_params(call->videostream);
2902                 }
2903 #endif
2904         }
2905
2906         return err;
2907 }
2908
2909 /**
2910  * @ingroup call_control
2911  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2912  * 
2913  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2914  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2915  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2916  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during 
2917  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2918  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2919  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2920  * 
2921  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2922 **/
2923 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2924         if (call->state==LinphoneCallUpdatedByRemote){
2925                 call->defer_update=TRUE;
2926                 return 0;
2927         }
2928         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2929         return -1;
2930 }
2931
2932 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2933         SalMediaDescription *md;
2934         if (call->ice_session != NULL) {
2935                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2936                         /* Defer the sending of the answer until there are no losing pairs left. */
2937                         return 0;
2938                 }
2939                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2940         }
2941 #ifdef BUILD_UPNP
2942         if(call->upnp_session != NULL) {
2943                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2944         }
2945 #endif //BUILD_UPNP
2946         linphone_call_update_remote_session_id_and_ver(call);
2947         sal_call_set_local_media_description(call->op,call->localdesc);
2948         sal_call_accept(call->op);
2949         md=sal_call_get_final_media_description(call->op);
2950         if (md && !sal_media_description_empty(md))
2951                 linphone_core_update_streams (lc,call,md);
2952         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2953         return 0;
2954 }
2955
2956 /**
2957  * @ingroup call_control
2958  * Accept call modifications initiated by other end.
2959  * 
2960  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2961  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2962  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2963  * requested by the other party, such as whether a video stream is requested.
2964  * 
2965  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2966  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2967  * If params is not NULL, then the update will be accepted according to the parameters passed.
2968  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used 
2969  * (see linphone_call_params_enable_video()).
2970  * @param lc the linphone core object.
2971  * @param call the LinphoneCall object
2972  * @param params a LinphoneCallParams object describing the call parameters to accept.
2973  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2974 **/
2975 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2976         SalMediaDescription *remote_desc;
2977         bool_t keep_sdp_version;
2978 #ifdef VIDEO_ENABLED
2979         bool_t old_has_video = call->params.has_video;
2980 #endif
2981         if (call->state!=LinphoneCallUpdatedByRemote){
2982                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2983                          linphone_call_state_to_string(call->state));
2984                 return -1;
2985         }
2986         remote_desc = sal_call_get_remote_media_description(call->op);
2987         keep_sdp_version = lp_config_get_int(lc->config, "sip", "keep_sdp_version", 0);
2988         if (keep_sdp_version &&(remote_desc->session_id == call->remote_session_id) && (remote_desc->session_ver == call->remote_session_ver)) {
2989                 /* Remote has sent an INVITE with the same SDP as before, so send a 200 OK with the same SDP as before. */
2990                 ms_warning("SDP version has not changed, send same SDP as before.");
2991                 sal_call_accept(call->op);
2992                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2993                 return 0;
2994         }
2995         if (params==NULL){
2996                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2997         }else
2998                 call->params=*params;
2999
3000         if (call->params.has_video && !linphone_core_video_enabled(lc)){
3001                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
3002                 call->params.has_video=FALSE;
3003         }
3004         if (call->current_params.in_conference) {
3005                 ms_warning("Video isn't supported in conference");
3006                 call->params.has_video = FALSE;
3007         }
3008         call->params.has_video &= linphone_core_media_description_contains_video_stream(remote_desc);
3009         call->camera_active=call->params.has_video;
3010         linphone_call_make_local_media_description(lc,call);
3011         if (call->ice_session != NULL) {
3012                 linphone_core_update_ice_from_remote_media_description(call, remote_desc);
3013 #ifdef VIDEO_ENABLED
3014                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
3015                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3016                                 linphone_call_init_video_stream(call);
3017                                 video_stream_prepare_video(call->videostream);
3018                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
3019                                         /* Ice candidates gathering failed, proceed with the call anyway. */
3020                                         linphone_call_delete_ice_session(call);
3021                                 } else return 0;
3022                         }
3023                 }
3024 #endif //VIDEO_ENABLED
3025         }
3026
3027 #ifdef BUILD_UPNP
3028         if(call->upnp_session != NULL) {
3029                 linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
3030 #ifdef VIDEO_ENABLED
3031                 if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3032                         linphone_call_init_video_stream(call);
3033                         video_stream_prepare_video(call->videostream);
3034                         if (linphone_core_update_upnp(lc, call)<0) {
3035                                 /* uPnP update failed, proceed with the call anyway. */
3036                                 linphone_call_delete_upnp_session(call);
3037                         } else return 0;
3038                 }
3039 #endif //VIDEO_ENABLED
3040         }
3041 #endif //BUILD_UPNP
3042
3043         linphone_core_start_accept_call_update(lc, call);
3044         return 0;
3045 }
3046
3047 /**
3048  * Accept an incoming call.
3049  *
3050  * @ingroup call_control
3051  * Basically the application is notified of incoming calls within the
3052  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3053  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3054  * The application can later accept the call using this method.
3055  * @param lc the LinphoneCore object
3056  * @param call the LinphoneCall object representing the call to be answered.
3057  *
3058 **/
3059 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
3060         return linphone_core_accept_call_with_params(lc,call,NULL);
3061 }
3062
3063 /**
3064  * Accept an incoming call, with parameters.
3065  *
3066  * @ingroup call_control
3067  * Basically the application is notified of incoming calls within the
3068  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3069  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3070  * The application can later accept the call using
3071  * this method.
3072  * @param lc the LinphoneCore object
3073  * @param call the LinphoneCall object representing the call to be answered.
3074  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
3075  *
3076 **/
3077 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
3078 {
3079         LinphoneProxyConfig *cfg=NULL;
3080         const char *contact=NULL;
3081         SalOp *replaced;
3082         SalMediaDescription *new_md;
3083         bool_t was_ringing=FALSE;
3084
3085         if (call==NULL){
3086                 //if just one call is present answer the only one ...
3087                 if(linphone_core_get_calls_nb (lc) != 1)
3088                         return -1;
3089                 else
3090                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
3091         }
3092
3093         if (call->state==LinphoneCallConnected){
3094                 /*call already accepted*/
3095                 return -1;
3096         }
3097
3098         /* check if this call is supposed to replace an already running one*/
3099         replaced=sal_call_get_replaces(call->op);
3100         if (replaced){
3101                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
3102                 if (rc){
3103                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
3104                                    call,rc);
3105                         linphone_core_terminate_call(lc,rc);
3106                 }
3107         }
3108
3109         if (lc->current_call!=call){
3110                 linphone_core_preempt_sound_resources(lc);
3111         }
3112
3113         /*stop ringing */
3114         if (lc->ringstream!=NULL) {
3115                 ms_message("stop ringing");
3116                 ring_stop(lc->ringstream);
3117                 ms_message("ring stopped");
3118                 lc->ringstream=NULL;
3119                 was_ringing=TRUE;
3120         }
3121         if (call->ringing_beep){
3122                 linphone_core_stop_dtmf(lc);
3123                 call->ringing_beep=FALSE;
3124         }
3125
3126         linphone_core_get_default_proxy(lc,&cfg);
3127         call->dest_proxy=cfg;
3128         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
3129
3130         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
3131                 ms_message("Overriding default proxy setting for this call:");
3132                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
3133         }
3134         /*try to be best-effort in giving real local or routable contact address*/
3135         contact=get_fixed_contact(lc,call,call->dest_proxy);
3136         if (contact)
3137                 sal_op_set_contact(call->op,contact);
3138
3139         if (params){
3140                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
3141                 _linphone_call_params_copy(&call->params,params);
3142                 // There might not be a md if the INVITE was lacking an SDP
3143                 // In this case we use the parameters as is.
3144                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
3145                 call->camera_active=call->params.has_video;
3146                 linphone_call_make_local_media_description(lc,call);
3147                 sal_call_set_local_media_description(call->op,call->localdesc);
3148         }
3149         
3150         if (call->audiostream==NULL)
3151                 linphone_call_init_media_streams(call);
3152         if (!was_ringing && call->audiostream->ms.ticker==NULL){
3153                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
3154         }
3155
3156         linphone_call_update_remote_session_id_and_ver(call);
3157         sal_call_accept(call->op);
3158         if (lc->vtable.display_status!=NULL)
3159                 lc->vtable.display_status(lc,_("Connected."));
3160         lc->current_call=call;
3161         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
3162         new_md=sal_call_get_final_media_description(call->op);
3163         linphone_core_update_streams(lc, call, new_md);
3164         if (new_md){
3165                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
3166         }else call->media_pending=TRUE;
3167
3168         ms_message("call answered.");
3169         return 0;
3170 }
3171
3172 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
3173         sal_call_terminate(call->op);
3174
3175         /*stop ringing*/
3176         if (lc->ringstream!=NULL) {
3177                 ring_stop(lc->ringstream);
3178                 lc->ringstream=NULL;
3179         }
3180         linphone_call_stop_media_streams(call);
3181
3182 #ifdef BUILD_UPNP
3183         linphone_call_delete_upnp_session(call);
3184 #endif //BUILD_UPNP
3185
3186         if (lc->vtable.display_status!=NULL)
3187                 lc->vtable.display_status(lc,_("Call aborted") );
3188         linphone_call_set_state(call,LinphoneCallError,error);
3189         return 0;
3190 }
3191
3192 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
3193         if (call->state==LinphoneCallIncomingReceived){
3194                 if (call->reason!=LinphoneReasonNotAnswered)
3195                         call->reason=LinphoneReasonDeclined;
3196         }
3197         /*stop ringing*/
3198         if (lc->ringstream!=NULL) {
3199                 ring_stop(lc->ringstream);
3200                 lc->ringstream=NULL;
3201         }
3202
3203         linphone_call_stop_media_streams(call);
3204
3205 #ifdef BUILD_UPNP
3206         linphone_call_delete_upnp_session(call);
3207 #endif //BUILD_UPNP
3208
3209         if (lc->vtable.display_status!=NULL)
3210                 lc->vtable.display_status(lc,_("Call ended") );
3211         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
3212 }
3213
3214 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
3215         if (call->state==LinphoneCallIncomingReceived){
3216                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
3217                 call->reason=LinphoneReasonDeclined;
3218                 terminate_call(lc,call);
3219         }else{
3220                 ms_error("Bad state for call redirection.");
3221                 return -1;
3222     }
3223         return 0;
3224 }
3225
3226
3227 /**
3228  * Terminates a call.
3229  *
3230  * @ingroup call_control
3231  * @param lc the LinphoneCore
3232  * @param the_call the LinphoneCall object representing the call to be terminated.
3233 **/
3234 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3235 {
3236         LinphoneCall *call;
3237         if (the_call == NULL){
3238                 call = linphone_core_get_current_call(lc);
3239                 if (ms_list_size(lc->calls)==1){
3240                         call=(LinphoneCall*)lc->calls->data;
3241                 }else{
3242                         ms_warning("No unique call to terminate !");
3243                         return -1;
3244                 }
3245         }
3246         else
3247         {
3248                 call = the_call;
3249         }
3250         sal_call_terminate(call->op);
3251         terminate_call(lc,call);
3252         return 0;
3253 }
3254
3255 /**
3256  * Decline a pending incoming call, with a reason.
3257  * 
3258  * @ingroup call_control
3259  * 
3260  * @param lc the linphone core
3261  * @param call the LinphoneCall, must be in the IncomingReceived state.
3262  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3263 **/
3264 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3265         SalReason sal_reason=SalReasonUnknown;
3266         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3267                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3268                 return -1;
3269         }
3270         switch(reason){
3271                 case LinphoneReasonDeclined:
3272                         sal_reason=SalReasonDeclined;
3273                 break;
3274                 case LinphoneReasonBusy:
3275                         sal_reason=SalReasonBusy;
3276                 break;
3277                 default:
3278                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3279                         return -1;
3280                 break;
3281         }
3282         sal_call_decline(call->op,sal_reason,NULL);
3283         terminate_call(lc,call);
3284         return 0;
3285 }
3286
3287 /**
3288  * Terminates all the calls.
3289  *
3290  * @ingroup call_control
3291  * @param lc The LinphoneCore
3292 **/
3293 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3294         MSList *calls=lc->calls;
3295         while(calls) {
3296                 LinphoneCall *c=(LinphoneCall*)calls->data;
3297                 calls=calls->next;
3298                 linphone_core_terminate_call(lc,c);
3299         }
3300         return 0;
3301 }
3302
3303 /**
3304  * Returns the current list of calls.
3305  *
3306  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3307  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3308  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3309  *
3310  * @ingroup call_control
3311 **/
3312 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3313 {
3314         return lc->calls;
3315 }
3316
3317 /**
3318  * Returns TRUE if there is a call running.
3319  *
3320  * @ingroup call_control
3321 **/
3322 bool_t linphone_core_in_call(const LinphoneCore *lc){
3323         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3324 }
3325
3326 /**
3327  * Returns The _LinphoneCall struct of the current call if one is in call
3328  *
3329  * @ingroup call_control
3330 **/
3331 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc){
3332         return lc->current_call;
3333 }
3334
3335 /**
3336  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3337  * this file will be played to the remote user.
3338  *
3339  * @ingroup call_control
3340 **/
3341 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call){
3342         int err=_linphone_core_pause_call(lc,call);
3343         if (err==0)  call->paused_by_app=TRUE;
3344         return err;
3345 }
3346
3347 /* Internal version that does not play tone indication*/
3348 int _linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3349 {
3350         const char *subject=NULL;
3351
3352         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3353                 ms_warning("Cannot pause this call, it is not active.");
3354                 return -1;
3355         }
3356         linphone_call_make_local_media_description(lc,call);
3357         if (call->ice_session != NULL) {
3358                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3359         }
3360 #ifdef BUILD_UPNP
3361         if(call->upnp_session != NULL) {
3362                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3363         }
3364 #endif //BUILD_UPNP
3365         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3366                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3367                 subject="Call on hold";
3368         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3369                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3370                 subject="Call on hold for me too";
3371         }else{
3372                 ms_error("No reason to pause this call, it is already paused or inactive.");
3373                 return -1;
3374         }
3375         sal_call_set_local_media_description(call->op,call->localdesc);
3376         if (sal_call_update(call->op,subject) != 0){
3377                 if (lc->vtable.display_warning)
3378                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3379         }
3380         lc->current_call=NULL;
3381         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3382         if (lc->vtable.display_status)
3383                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3384         if (call->audiostream || call->videostream)
3385                 linphone_call_stop_media_streams (call);
3386         call->paused_by_app=FALSE;
3387         return 0;
3388 }
3389
3390 /**
3391  * Pause all currently running calls.
3392  * @ingroup call_control
3393 **/
3394 int linphone_core_pause_all_calls(LinphoneCore *lc){
3395         const MSList *elem;
3396         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3397                 LinphoneCall *call=(LinphoneCall *)elem->data;
3398                 LinphoneCallState cs=linphone_call_get_state(call);
3399                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3400                         _linphone_core_pause_call(lc,call);
3401                 }
3402         }
3403         return 0;
3404 }
3405
3406 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3407         LinphoneCall *current_call;
3408         if (linphone_core_is_in_conference(lc)){
3409                 linphone_core_leave_conference(lc);
3410                 return;
3411         }
3412         current_call=linphone_core_get_current_call(lc);
3413         if(current_call != NULL){
3414                 ms_message("Pausing automatically the current call.");
3415                 _linphone_core_pause_call(lc,current_call);
3416         }
3417         if (lc->ringstream){
3418                 ring_stop(lc->ringstream);
3419                 lc->ringstream=NULL;
3420         }
3421 }
3422
3423 /**
3424  * Resumes the call.
3425  *
3426  * @ingroup call_control
3427 **/
3428 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3429 {
3430         char temp[255]={0};
3431         LinphoneCall *call = the_call;
3432         const char *subject="Call resuming";
3433         
3434         if(call->state!=LinphoneCallPaused ){
3435                 ms_warning("we cannot resume a call that has not been established and paused before");
3436                 return -1;
3437         }
3438         if (call->params.in_conference==FALSE){
3439                 linphone_core_preempt_sound_resources(lc);
3440                 ms_message("Resuming call %p",call);
3441         }
3442
3443         /* Stop playing music immediately. If remote side is a conference it
3444          prevents the participants to hear it while the 200OK comes back.*/
3445         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3446
3447         linphone_call_make_local_media_description(lc,the_call);
3448         if (call->ice_session != NULL) {
3449                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3450         }
3451 #ifdef BUILD_UPNP
3452         if(call->upnp_session != NULL) {
3453                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3454         }
3455 #endif //BUILD_UPNP
3456         sal_call_set_local_media_description(call->op,call->localdesc);
3457         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3458         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3459         if(sal_call_update(call->op,subject) != 0){
3460                 return -1;
3461         }
3462         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3463         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3464         if (lc->vtable.display_status)
3465                 lc->vtable.display_status(lc,temp);
3466         return 0;
3467 }
3468
3469 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3470         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3471         return !linphone_address_weak_equal (addr,raddr);
3472 }
3473
3474 /**
3475  * Get the call with the remote_address specified
3476  * @param lc
3477  * @param remote_address
3478  * @return the LinphoneCall of the call if found
3479  * 
3480  * @ingroup call_control
3481  */
3482 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3483         LinphoneAddress *raddr=linphone_address_new(remote_address);
3484         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3485         if (elem) return (LinphoneCall*) elem->data;
3486         return NULL;
3487 }
3488
3489 int linphone_core_send_publish(LinphoneCore *lc,
3490                                LinphoneOnlineStatus presence_mode)
3491 {
3492         const MSList *elem;
3493         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3494                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3495                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3496         }
3497         return 0;
3498 }
3499
3500 /**
3501  * Set the incoming call timeout in seconds.
3502  *
3503  * @ingroup call_control
3504  * If an incoming call isn't answered for this timeout period, it is
3505  * automatically declined.
3506 **/
3507 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3508         lc->sip_conf.inc_timeout=seconds;
3509         if (linphone_core_ready(lc)){
3510                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3511         }
3512 }
3513
3514 /**
3515  * Returns the incoming call timeout
3516  *
3517  * @ingroup call_control
3518  * See linphone_core_set_inc_timeout() for details.
3519 **/
3520 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3521         return lc->sip_conf.inc_timeout;
3522 }
3523
3524 /**
3525  * Set the in call timeout in seconds.
3526  *
3527  * @ingroup call_control
3528  * After this timeout period, the call is automatically hangup.
3529 **/
3530 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3531         lc->sip_conf.in_call_timeout=seconds;
3532 }
3533
3534 /**
3535  * Returns the in call timeout
3536  *
3537  * @ingroup call_control
3538  * See linphone_core_set_in_call_timeout() for details.
3539 **/
3540 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3541         return lc->sip_conf.in_call_timeout;
3542 }
3543
3544 /**
3545  * Returns the delayed timeout
3546  *
3547  * @ingroup call_control
3548  * See linphone_core_set_delayed_timeout() for details.
3549 **/
3550 int linphone_core_get_delayed_timeout(LinphoneCore *lc){
3551         return lc->sip_conf.delayed_timeout;
3552 }
3553
3554 /**
3555  * Set the in delayed timeout in seconds.
3556  *
3557  * @ingroup call_control
3558  * After this timeout period, a delayed call (internal call initialisation or resolution) is resumed.
3559 **/
3560 void linphone_core_set_delayed_timeout(LinphoneCore *lc, int seconds){
3561         lc->sip_conf.delayed_timeout=seconds;
3562 }
3563
3564 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3565                                                                                                         const char *contact,
3566                                                                                                         LinphoneOnlineStatus presence_mode)
3567 {
3568         if (minutes_away>0) lc->minutes_away=minutes_away;
3569
3570         if (lc->alt_contact!=NULL) {
3571                 ms_free(lc->alt_contact);
3572                 lc->alt_contact=NULL;
3573         }
3574         if (contact) lc->alt_contact=ms_strdup(contact);
3575         if (lc->presence_mode!=presence_mode){
3576                 linphone_core_notify_all_friends(lc,presence_mode);
3577                 /*
3578                    Improve the use of all LINPHONE_STATUS available.
3579                    !TODO Do not mix "presence status" with "answer status code"..
3580                    Use correct parameter to follow sip_if_match/sip_etag.
3581                  */
3582                 linphone_core_send_publish(lc,presence_mode);
3583         }
3584         lc->presence_mode=presence_mode;
3585 }
3586
3587 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3588         return lc->presence_mode;
3589 }
3590
3591 /**
3592  * Get playback sound level in 0-100 scale.
3593  *
3594  * @ingroup media_parameters
3595 **/
3596 int linphone_core_get_play_level(LinphoneCore *lc)
3597 {
3598         return lc->sound_conf.play_lev;
3599 }
3600
3601 /**
3602  * Get ring sound level in 0-100 scale
3603  *
3604  * @ingroup media_parameters
3605 **/
3606 int linphone_core_get_ring_level(LinphoneCore *lc)
3607 {
3608         return lc->sound_conf.ring_lev;
3609 }
3610
3611 /**
3612  * Get sound capture level in 0-100 scale
3613  *
3614  * @ingroup media_parameters
3615 **/
3616 int linphone_core_get_rec_level(LinphoneCore *lc){
3617         return lc->sound_conf.rec_lev;
3618 }
3619
3620 /**
3621  * Set sound ring level in 0-100 scale
3622  *
3623  * @ingroup media_parameters
3624 **/
3625 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3626         MSSndCard *sndcard;
3627         lc->sound_conf.ring_lev=level;
3628         sndcard=lc->sound_conf.ring_sndcard;
3629         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3630 }
3631
3632 /**
3633  * Allow to control microphone level:  gain in db
3634  *
3635  * @ingroup media_parameters
3636 **/
3637 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3638         float gain=gaindb;
3639         LinphoneCall *call=linphone_core_get_current_call (lc);
3640         AudioStream *st;
3641
3642         lc->sound_conf.soft_mic_lev=gaindb;
3643
3644         if (linphone_core_ready(lc)){
3645                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3646         }
3647
3648         if (call==NULL || (st=call->audiostream)==NULL){
3649                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3650                 return;
3651         }
3652         if (st->volrecv){
3653                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3654         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3655 }
3656
3657 /**
3658  * Get microphone gain in db.
3659  *
3660  * @ingroup media_parameters
3661 **/
3662 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3663         return lc->sound_conf.soft_mic_lev;
3664 }
3665
3666 /**
3667  * Allow to control play level before entering sound card:  gain in db
3668  *
3669  * @ingroup media_parameters
3670 **/
3671 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3672         float gain=gaindb;
3673         LinphoneCall *call=linphone_core_get_current_call (lc);
3674         AudioStream *st;
3675
3676         lc->sound_conf.soft_play_lev=gaindb;
3677         if (linphone_core_ready(lc)){
3678                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3679         }
3680
3681         if (call==NULL || (st=call->audiostream)==NULL){
3682                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3683                 return;
3684         }
3685         if (st->volrecv){
3686                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3687         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3688 }
3689
3690 /**
3691  * Get playback gain in db before entering  sound card.
3692  *
3693  * @ingroup media_parameters
3694 **/
3695 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3696         return lc->sound_conf.soft_play_lev;
3697 }
3698
3699 /**
3700  * Set sound playback level in 0-100 scale
3701  *
3702  * @ingroup media_parameters
3703 **/
3704 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3705         MSSndCard *sndcard;
3706         lc->sound_conf.play_lev=level;
3707         sndcard=lc->sound_conf.play_sndcard;
3708         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3709 }
3710
3711 /**
3712  * Set sound capture level in 0-100 scale
3713  *
3714  * @ingroup media_parameters
3715 **/
3716 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3717 {
3718         MSSndCard *sndcard;
3719         lc->sound_conf.rec_lev=level;
3720         sndcard=lc->sound_conf.capt_sndcard;
3721         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3722 }
3723
3724 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3725         MSSndCard *sndcard=NULL;
3726         if (devid!=NULL){
3727                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3728                 if (sndcard!=NULL &&
3729                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3730                         ms_warning("%s card does not have the %s capability, ignoring.",
3731                                 devid,
3732                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3733                         sndcard=NULL;
3734                 }
3735         }
3736         if (sndcard==NULL) {
3737                 /* get a card that has read+write capabilities */
3738                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3739                 /* otherwise refine to the first card having the right capability*/
3740                 if (sndcard==NULL){
3741                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3742                         for(;elem!=NULL;elem=elem->next){
3743                                 sndcard=(MSSndCard*)elem->data;
3744                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3745                         }
3746                 }
3747                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3748                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3749                         if (elem) sndcard=(MSSndCard*)elem->data;
3750         }
3751         }
3752         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3753         return sndcard;
3754 }
3755
3756 /**
3757  * Returns true if the specified sound device can capture sound.
3758  *
3759  * @ingroup media_parameters
3760  * @param lc The LinphoneCore object
3761  * @param devid the device name as returned by linphone_core_get_sound_devices()
3762 **/
3763 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3764         MSSndCard *sndcard;
3765         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3766         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3767         return FALSE;
3768 }
3769
3770 /**
3771  * Returns true if the specified sound device can play sound.
3772  *
3773  * @ingroup media_parameters
3774  * @param lc The LinphoneCore object
3775  * @param devid the device name as returned by linphone_core_get_sound_devices()
3776 **/
3777 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3778         MSSndCard *sndcard;
3779         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3780         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3781         return FALSE;
3782 }
3783
3784 /**
3785  * Sets the sound device used for ringing.
3786  *
3787  * @ingroup media_parameters
3788  * @param lc The LinphoneCore object
3789  * @param devid the device name as returned by linphone_core_get_sound_devices()
3790 **/
3791 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3792         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3793         lc->sound_conf.ring_sndcard=card;
3794         if (card && linphone_core_ready(lc))
3795                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3796         return 0;
3797 }
3798
3799 /**
3800  * Sets the sound device used for playback.
3801  *
3802  * @ingroup media_parameters
3803  * @param lc The LinphoneCore object
3804  * @param devid the device name as returned by linphone_core_get_sound_devices()
3805 **/
3806 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3807         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3808         lc->sound_conf.play_sndcard=card;
3809         if (card &&  linphone_core_ready(lc))
3810                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3811         return 0;
3812 }
3813
3814 /**
3815  * Sets the sound device used for capture.
3816  *
3817  * @ingroup media_parameters
3818  * @param lc The LinphoneCore object
3819  * @param devid the device name as returned by linphone_core_get_sound_devices()
3820 **/
3821 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3822         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3823         lc->sound_conf.capt_sndcard=card;
3824         if (card &&  linphone_core_ready(lc))
3825                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3826         return 0;
3827 }
3828
3829 /**
3830  * Returns the name of the currently assigned sound device for ringing.
3831  *
3832  * @ingroup media_parameters
3833  * @param lc The LinphoneCore object
3834 **/
3835 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3836 {
3837         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3838         return NULL;
3839 }
3840
3841 /**
3842  * Returns the name of the currently assigned sound device for playback.
3843  *
3844  * @ingroup media_parameters
3845  * @param lc The LinphoneCore object
3846 **/
3847 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3848 {
3849         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3850 }
3851
3852 /**
3853  * Returns the name of the currently assigned sound device for capture.
3854  *
3855  * @ingroup media_parameters
3856  * @param lc The LinphoneCore object
3857 **/
3858 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3859 {
3860         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3861 }
3862
3863 /**
3864  * Returns an unmodifiable array of available sound devices.
3865  *
3866  * The array is NULL terminated.
3867  *
3868  * @ingroup media_parameters
3869  * @param lc The LinphoneCore object
3870 **/
3871 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3872         return lc->sound_conf.cards;
3873 }
3874
3875 /**
3876  * Returns an unmodifiable array of available video capture devices.
3877  *
3878  * @ingroup media_parameters
3879  * The array is NULL terminated.
3880 **/
3881 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3882         return lc->video_conf.cams;
3883 }
3884
3885 /**
3886  * Update detection of sound devices.
3887  * 
3888  * Use this function when the application is notified of USB plug events, so that
3889  * list of available hardwares for sound playback and capture is updated.
3890  **/
3891 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3892         const char *ringer,*playback,*capture;
3893         ringer=linphone_core_get_ringer_device(lc);
3894         playback=linphone_core_get_playback_device(lc);
3895         capture=linphone_core_get_capture_device(lc);
3896         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3897         build_sound_devices_table(lc);
3898         linphone_core_set_ringer_device(lc,ringer);
3899         linphone_core_set_playback_device(lc,playback);
3900         linphone_core_set_capture_device(lc,capture);
3901 }
3902
3903 /**
3904  * Update detection of camera devices.
3905  * 
3906  * Use this function when the application is notified of USB plug events, so that
3907  * list of available hardwares for video capture is updated.
3908  **/
3909 void linphone_core_reload_video_devices(LinphoneCore *lc){
3910         const char *devid;
3911         devid=linphone_core_get_video_device(lc);
3912         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3913         build_video_devices_table(lc);
3914         linphone_core_set_video_device(lc,devid);
3915 }
3916
3917 char linphone_core_get_sound_source(LinphoneCore *lc)
3918 {
3919         return lc->sound_conf.source;
3920 }
3921
3922 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3923 {
3924         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3925         lc->sound_conf.source=source;
3926         if (!sndcard) return;
3927         switch(source){
3928                 case 'm':
3929                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3930                         break;
3931                 case 'l':
3932                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3933                         break;
3934         }
3935
3936 }
3937
3938
3939 /**
3940  * Sets the path to a wav file used for ringing.
3941  *
3942  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3943  * @param lc The LinphoneCore object
3944  *
3945  * @ingroup media_parameters
3946 **/
3947 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3948         if (lc->sound_conf.local_ring!=0){
3949                 ms_free(lc->sound_conf.local_ring);
3950                 lc->sound_conf.local_ring=NULL;
3951         }
3952         if (path)
3953                 lc->sound_conf.local_ring=ms_strdup(path);
3954         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3955                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3956 }
3957
3958 /**
3959  * Returns the path to the wav file used for ringing.
3960  *
3961  * @param lc The LinphoneCore object
3962  * @ingroup media_parameters
3963 **/
3964 const char *linphone_core_get_ring(const LinphoneCore *lc){
3965         return lc->sound_conf.local_ring;
3966 }
3967
3968 /**
3969  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3970  *
3971  * @param path
3972  * @param lc The LinphoneCore object
3973  *
3974  * @ingroup initializing
3975 **/
3976 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3977         sal_set_root_ca(lc->sal, path);
3978 }
3979
3980 /**
3981  * Gets the path to a file or folder containing the trusted root CAs (PEM format)
3982  *
3983  * @param lc The LinphoneCore object
3984  *
3985  * @ingroup initializing
3986 **/
3987 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3988         return sal_get_root_ca(lc->sal);
3989 }
3990
3991 /**
3992  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3993  * 
3994  * @ingroup initializing
3995 **/
3996 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3997         sal_verify_server_certificates(lc->sal,yesno);
3998 }
3999
4000 /**
4001  * Specify whether the tls server certificate common name must be verified when connecting to a SIP/TLS server.
4002  * @ingroup initializing
4003 **/
4004 void linphone_core_verify_server_cn(LinphoneCore *lc, bool_t yesno){
4005         sal_verify_server_cn(lc->sal,yesno);
4006 }
4007
4008 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
4009         LinphoneCore *lc=(LinphoneCore*)ud;
4010         lc->preview_finished=1;
4011 }
4012
4013 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
4014 {
4015         if (lc->ringstream!=0){
4016                 ms_warning("Cannot start ring now,there's already a ring being played");
4017                 return -1;
4018         }
4019         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
4020         lc->preview_finished=0;
4021         if (lc->sound_conf.ring_sndcard!=NULL){
4022                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4023                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
4024         }
4025         return 0;
4026 }
4027
4028 /**
4029  * Sets the path to a wav file used for ringing back.
4030  *
4031  * Ringback means the ring that is heard when it's ringing at the remote party.
4032  * The file must be a wav 16bit linear.
4033  *
4034  * @ingroup media_parameters
4035 **/
4036 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
4037         if (lc->sound_conf.remote_ring!=0){
4038                 ms_free(lc->sound_conf.remote_ring);
4039         }
4040         lc->sound_conf.remote_ring=ms_strdup(path);
4041 }
4042
4043 /**
4044  * Returns the path to the wav file used for ringing back.
4045  *
4046  * @ingroup media_parameters
4047 **/
4048 const char * linphone_core_get_ringback(const LinphoneCore *lc){
4049         return lc->sound_conf.remote_ring;
4050 }
4051
4052 /**
4053  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
4054  *
4055  * @ingroup media_parameters
4056 **/
4057 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
4058         lc->sound_conf.ec=val;
4059         if ( linphone_core_ready(lc))
4060                 lp_config_set_int(lc->config,"sound","echocancellation",val);
4061 }
4062
4063
4064 /**
4065  * Returns TRUE if echo cancellation is enabled.
4066  *
4067  * @ingroup media_parameters
4068 **/
4069 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
4070         return lc->sound_conf.ec;
4071 }
4072
4073 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
4074         lc->sound_conf.ea=val;
4075 }
4076
4077 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
4078         return lc->sound_conf.ea;
4079 }
4080
4081 /**
4082  * Mutes or unmutes the local microphone.
4083  *
4084  * @ingroup media_parameters
4085 **/
4086 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
4087         LinphoneCall *call=linphone_core_get_current_call(lc);
4088         AudioStream *st=NULL;
4089         if (linphone_core_is_in_conference(lc)){
4090                 lc->conf_ctx.local_muted=val;
4091                 st=lc->conf_ctx.local_participant;
4092         }else if (call==NULL){
4093                 ms_warning("linphone_core_mute_mic(): No current call !");
4094                 return;
4095         }else{
4096                 st=call->audiostream;
4097                 call->audio_muted=val;
4098         }
4099         if (st!=NULL){
4100                 audio_stream_set_mic_gain(st,
4101                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
4102                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
4103                         audio_stream_mute_rtp(st,val);
4104                 }
4105                 
4106         }
4107 }
4108 /**
4109  * Returns whether microphone is muted.
4110 **/
4111 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
4112         LinphoneCall *call=linphone_core_get_current_call(lc);
4113         if (linphone_core_is_in_conference(lc)){
4114                 return lc->conf_ctx.local_muted;
4115         }else if (call==NULL){
4116                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4117                 return FALSE;
4118         }
4119         return call->audio_muted;
4120 }
4121
4122 // returns rtp transmission status for an active stream
4123 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
4124 // was set on then rtp transmission is also muted
4125 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
4126         LinphoneCall *call=linphone_core_get_current_call(lc);
4127         if (call==NULL){
4128                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4129                 return FALSE;
4130         }
4131         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
4132                 return call->audio_muted;
4133         }
4134         return FALSE;
4135 }
4136
4137 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
4138         lc->sound_conf.agc=val;
4139 }
4140
4141 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
4142         return lc->sound_conf.agc;
4143 }
4144
4145 /**
4146  * Send the specified dtmf.
4147  *
4148  * @ingroup media_parameters
4149  * This function only works during calls. The dtmf is automatically played to the user.
4150  * @param lc The LinphoneCore object
4151  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
4152  *
4153 **/
4154 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
4155 {
4156         LinphoneCall *call=linphone_core_get_current_call(lc);
4157         if (call==NULL){
4158                 ms_warning("linphone_core_send_dtmf(): no active call");
4159                 return;
4160         }
4161         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
4162         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
4163         {
4164                 /* In Band DTMF */
4165                 if (call->audiostream!=NULL){
4166                         audio_stream_send_dtmf(call->audiostream,dtmf);
4167                 }
4168                 else
4169                 {
4170                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
4171                 }
4172         }
4173         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
4174                 /* Out of Band DTMF (use INFO method) */
4175                 sal_call_send_dtmf(call->op,dtmf);
4176         }
4177 }
4178
4179 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
4180         if (lc->net_conf.stun_server!=NULL)
4181                 ms_free(lc->net_conf.stun_server);
4182         if (server)
4183                 lc->net_conf.stun_server=ms_strdup(server);
4184         else lc->net_conf.stun_server=NULL;
4185         if (linphone_core_ready(lc))
4186                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
4187 }
4188
4189 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
4190         return lc->net_conf.stun_server;
4191 }
4192
4193 bool_t linphone_core_upnp_available(const LinphoneCore *lc){
4194 #ifdef BUILD_UPNP
4195         return TRUE;
4196 #else
4197         return FALSE;
4198 #endif //BUILD_UPNP
4199 }
4200
4201 LinphoneUpnpState linphone_core_get_upnp_state(const LinphoneCore *lc){
4202 #ifdef BUILD_UPNP
4203         return linphone_upnp_context_get_state(lc->upnp);
4204 #else
4205         return LinphoneUpnpStateNotAvailable;
4206 #endif //BUILD_UPNP
4207 }
4208
4209 const char * linphone_core_get_upnp_external_ipaddress(const LinphoneCore *lc){
4210 #ifdef BUILD_UPNP
4211         return linphone_upnp_context_get_external_ipaddress(lc->upnp);
4212 #else
4213         return NULL;
4214 #endif //BUILD_UPNP
4215 }
4216
4217
4218 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
4219         return lc->net_conf.relay;
4220 }
4221
4222 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
4223         if (lc->net_conf.relay!=NULL){
4224                 ms_free(lc->net_conf.relay);
4225                 lc->net_conf.relay=NULL;
4226         }
4227         if (addr){
4228                 lc->net_conf.relay=ms_strdup(addr);
4229         }
4230         return 0;
4231 }
4232
4233 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
4234 {
4235         if (lc->net_conf.nat_address!=NULL){
4236                 ms_free(lc->net_conf.nat_address);
4237         }
4238         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
4239         else lc->net_conf.nat_address=NULL;
4240         if (lc->sip_conf.contact) update_primary_contact(lc);
4241 }
4242
4243 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
4244         return lc->net_conf.nat_address;
4245 }
4246
4247 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
4248 {
4249         struct sockaddr_storage ss;
4250         socklen_t ss_len;
4251         int error;
4252         char ipstring [INET6_ADDRSTRLEN];
4253
4254         if (lc->net_conf.nat_address==NULL) return NULL;
4255         
4256         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
4257                 return lc->net_conf.nat_address;
4258         }
4259
4260         error = getnameinfo((struct sockaddr *)&ss, ss_len,
4261                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
4262         if (error) {
4263                 return lc->net_conf.nat_address;
4264         }
4265
4266         if (lc->net_conf.nat_address_ip!=NULL){
4267                 ms_free(lc->net_conf.nat_address_ip);
4268         }
4269         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
4270         return lc->net_conf.nat_address_ip;
4271 }
4272
4273 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
4274 #ifndef BUILD_UPNP
4275         if(pol == LinphonePolicyUseUpnp) {
4276                 ms_warning("UPNP is not available, reset firewall policy to no firewall");
4277                 pol = LinphonePolicyNoFirewall;
4278         }
4279 #endif //BUILD_UPNP
4280         lc->net_conf.firewall_policy=pol;
4281 #ifdef BUILD_UPNP
4282         if(pol == LinphonePolicyUseUpnp) {
4283                 if(lc->upnp == NULL) {
4284                         lc->upnp = linphone_upnp_context_new(lc);
4285                 }
4286         } else {
4287                 if(lc->upnp != NULL) {
4288                         linphone_upnp_context_destroy(lc->upnp);
4289                         lc->upnp = NULL;
4290                 }
4291         }
4292         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
4293 #endif //BUILD_UPNP
4294         if (lc->sip_conf.contact) update_primary_contact(lc);
4295         if (linphone_core_ready(lc))
4296                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
4297 }
4298
4299 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
4300         return lc->net_conf.firewall_policy;
4301 }
4302
4303 /**
4304  * Get the list of call logs (past calls).
4305  *
4306  * @ingroup call_logs
4307 **/
4308 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
4309         return lc->call_logs;
4310 }
4311
4312 /**
4313  * Erase the call log.
4314  *
4315  * @ingroup call_logs
4316 **/
4317 void linphone_core_clear_call_logs(LinphoneCore *lc){
4318         lc->missed_calls=0;
4319         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4320         lc->call_logs=ms_list_free(lc->call_logs);
4321         call_logs_write_to_config_file(lc);
4322 }
4323
4324 /**
4325  * Returns number of missed calls.
4326  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4327 **/
4328 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4329         return lc->missed_calls;
4330 }
4331
4332 /**
4333  * Resets the counter of missed calls.
4334 **/
4335 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4336         lc->missed_calls=0;
4337 }
4338
4339 /**
4340  * Remove a specific call log from call history list.
4341  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4342  * @param lc the linphone core object
4343  * @param a LinphoneCallLog object.
4344 **/
4345 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4346         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4347         call_logs_write_to_config_file(lc);
4348         linphone_call_log_destroy(cl);
4349 }
4350
4351 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4352 #ifdef VIDEO_ENABLED
4353         if (val){
4354                 if (lc->previewstream==NULL){
4355                         lc->previewstream=video_preview_new();
4356                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4357                         if (lc->video_conf.displaytype)
4358                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4359                         if (lc->preview_window_id!=0)
4360                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4361                         video_preview_start(lc->previewstream,lc->video_conf.device);
4362                 }
4363         }else{
4364                 if (lc->previewstream!=NULL){
4365                         video_preview_stop(lc->previewstream);
4366                         lc->previewstream=NULL;
4367                 }
4368         }
4369 #endif
4370 }
4371
4372 /**
4373  * Enables video globally.
4374  *
4375  * @ingroup media_parameters
4376  * This function does not have any effect during calls. It just indicates LinphoneCore to
4377  * initiate future calls with video or not. The two boolean parameters indicate in which
4378  * direction video is enabled. Setting both to false disables video entirely.
4379  *
4380  * @param lc The LinphoneCore object
4381  * @param vcap_enabled indicates whether video capture is enabled
4382  * @param display_enabled indicates whether video display should be shown
4383  *
4384 **/
4385 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4386 #ifndef VIDEO_ENABLED
4387         if (vcap_enabled || display_enabled)
4388                 ms_warning("This version of linphone was built without video support.");
4389 #endif
4390         lc->video_conf.capture=vcap_enabled;
4391         lc->video_conf.display=display_enabled;
4392         if (linphone_core_ready(lc)){
4393                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4394                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4395         }
4396         /* need to re-apply network bandwidth settings*/
4397         linphone_core_set_download_bandwidth(lc,
4398                 linphone_core_get_download_bandwidth(lc));
4399         linphone_core_set_upload_bandwidth(lc,
4400                 linphone_core_get_upload_bandwidth(lc));
4401 }
4402
4403 bool_t linphone_core_video_supported(LinphoneCore *lc){
4404 #ifdef VIDEO_ENABLED
4405         return TRUE;
4406 #else
4407         return FALSE;
4408 #endif
4409 }
4410
4411 /**
4412  * Returns TRUE if video is enabled, FALSE otherwise.
4413  * @ingroup media_parameters
4414 **/
4415 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4416         return (lc->video_conf.display || lc->video_conf.capture);
4417 }
4418
4419 /**
4420  * Sets the default policy for video.
4421  * This policy defines whether:
4422  * - video shall be initiated by default for outgoing calls
4423  * - video shall be accepter by default for incoming calls
4424  * @ingroup media_parameters
4425 **/
4426 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4427         lc->video_policy=*policy;
4428         if (linphone_core_ready(lc)){
4429                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4430                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4431         }
4432 }
4433
4434 /**
4435  * Get the default policy for video.
4436  * See linphone_core_set_video_policy() for more details.
4437  * @ingroup media_parameters
4438 **/
4439 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4440         return &lc->video_policy;
4441 }
4442
4443 /**
4444  * Controls video preview enablement.
4445  *
4446  * @ingroup media_parameters
4447  * Video preview refers to the action of displaying the local webcam image
4448  * to the user while not in call.
4449 **/
4450 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4451         lc->video_conf.show_local=val;
4452         if (linphone_core_ready(lc))
4453                 lp_config_set_int(lc->config,"video","show_local",val);
4454 }
4455
4456 /**
4457  * Returns TRUE if video previewing is enabled.
4458  * @ingroup media_parameters
4459 **/
4460 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4461         return lc->video_conf.show_local;
4462 }
4463
4464 /**
4465  * Enables or disable self view during calls.
4466  *
4467  * @ingroup media_parameters
4468  * Self-view refers to having local webcam image inserted in corner
4469  * of the video window during calls.
4470  * This function works at any time, including during calls.
4471 **/
4472 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4473 #ifdef VIDEO_ENABLED
4474         LinphoneCall *call=linphone_core_get_current_call (lc);
4475         lc->video_conf.selfview=val;
4476         if (call && call->videostream){
4477                 video_stream_enable_self_view(call->videostream,val);
4478         }
4479         if (linphone_core_ready(lc)){
4480                 lp_config_set_int(lc->config,"video","self_view",val);
4481         }
4482 #endif
4483 }
4484
4485 /**
4486  * Returns TRUE if self-view is enabled, FALSE otherwise.
4487  *
4488  * @ingroup media_parameters
4489  *
4490  * Refer to linphone_core_enable_self_view() for details.
4491 **/
4492 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4493         return lc->video_conf.selfview;
4494 }
4495
4496 /**
4497  * Sets the active video device.
4498  *
4499  * @ingroup media_parameters
4500  * @param lc The LinphoneCore object
4501  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4502 **/
4503 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4504         MSWebCam *olddev=lc->video_conf.device;
4505         const char *vd;
4506         if (id!=NULL){
4507                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4508                 if (lc->video_conf.device==NULL){
4509                         ms_warning("Could not find video device %s",id);
4510                 }
4511         }
4512         if (lc->video_conf.device==NULL)
4513                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4514         if (olddev!=NULL && olddev!=lc->video_conf.device){
4515                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4516         }
4517         if ( linphone_core_ready(lc) && lc->video_conf.device){
4518                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4519                 if (vd && strstr(vd,"Static picture")!=NULL){
4520                         vd=NULL;
4521                 }
4522                 lp_config_set_string(lc->config,"video","device",vd);
4523         }
4524         return 0;
4525 }
4526
4527 /**
4528  * Returns the name of the currently active video device.
4529  *
4530  * @param lc The LinphoneCore object
4531  * @ingroup media_parameters
4532 **/
4533 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4534         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4535         return NULL;
4536 }
4537
4538 #ifdef VIDEO_ENABLED
4539 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4540         VideoStream *vs = NULL;
4541         LinphoneCall *call=linphone_core_get_current_call (lc);
4542         /* Select the video stream from the call in the first place */
4543         if (call && call->videostream) {
4544                 vs = call->videostream;
4545         }
4546         /* If not in call, select the video stream from the preview */
4547         if (vs == NULL && lc->previewstream) {
4548                 vs = lc->previewstream;
4549         }
4550         return vs;
4551 }
4552 #endif
4553
4554 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4555 #ifdef VIDEO_ENABLED
4556         VideoStream *vs=get_active_video_stream(lc);
4557         /* If we have a video stream (either preview, either from call), we
4558                  have a source and it is using the static picture filter, then
4559                  force the filter to use that picture. */
4560         if (vs && vs->source) {
4561                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4562                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4563                                                                                                                 (void *)path);
4564                 }
4565         }
4566         /* Tell the static image filter to use that image from now on so
4567                  that the image will be used next time it has to be read */
4568         ms_static_image_set_default_image(path);
4569 #else
4570         ms_warning("Video support not compiled.");
4571 #endif
4572         return 0;
4573 }
4574
4575 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4576         const char *path=NULL;
4577 #ifdef VIDEO_ENABLED
4578         path=ms_static_image_get_default_image();       
4579 #else
4580         ms_warning("Video support not compiled.");
4581 #endif
4582         return path;
4583 }
4584
4585 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4586 #ifdef VIDEO_ENABLED
4587         VideoStream *vs = NULL;
4588
4589         vs=get_active_video_stream(lc);
4590
4591         /* If we have a video stream (either preview, either from call), we
4592                  have a source and it is using the static picture filter, then
4593                  force the filter to use that picture. */
4594         if (vs && vs->source) {
4595                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4596                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4597                 }
4598         }
4599 #else
4600         ms_warning("Video support not compiled.");
4601 #endif
4602         return 0;
4603 }
4604
4605 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4606 #ifdef VIDEO_ENABLED
4607         VideoStream *vs = NULL;
4608         vs=get_active_video_stream(lc);
4609         /* If we have a video stream (either preview, either from call), we
4610                  have a source and it is using the static picture filter, then
4611                  force the filter to use that picture. */
4612         if (vs && vs->source) {
4613                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4614
4615                         float fps;
4616
4617                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4618                         return fps;
4619                 }
4620         }
4621 #else
4622         ms_warning("Video support not compiled.");
4623 #endif
4624         return 0;
4625 }
4626
4627 /**
4628  * Returns the native window handle of the video window, casted as an unsigned long.
4629  *
4630  * @ingroup media_parameters
4631 **/
4632 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4633 #ifdef VIDEO_ENABLED
4634         LinphoneCall *call=linphone_core_get_current_call (lc);
4635         if (call && call->videostream)
4636                 return video_stream_get_native_window_id(call->videostream);
4637         if (lc->previewstream)
4638                 return video_stream_get_native_window_id(lc->previewstream);
4639 #endif
4640         return lc->video_window_id;
4641 }
4642
4643 /**@ingroup media_parameters
4644  * Set the native video window id where the video is to be displayed.
4645  * If not set the core will create its own window.
4646 **/
4647 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4648 #ifdef VIDEO_ENABLED
4649         LinphoneCall *call=linphone_core_get_current_call(lc);
4650         lc->video_window_id=id;
4651         if (call!=NULL && call->videostream){
4652                 video_stream_set_native_window_id(call->videostream,id);
4653         }
4654 #endif
4655 }
4656
4657 /**
4658  * Returns the native window handle of the video preview window, casted as an unsigned long.
4659  *
4660  * @ingroup media_parameters
4661 **/
4662 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4663 #ifdef VIDEO_ENABLED
4664         LinphoneCall *call=linphone_core_get_current_call (lc);
4665         if (call && call->videostream)
4666                 return video_stream_get_native_preview_window_id(call->videostream);
4667         if (lc->previewstream)
4668                 return video_preview_get_native_window_id(lc->previewstream);
4669 #endif
4670         return lc->preview_window_id;
4671 }
4672
4673 /**
4674  * @ingroup media_parameters
4675  * Set the native window id where the preview video (local camera) is to be displayed.
4676  * This has to be used in conjonction with linphone_core_use_preview_window().
4677  * If not set the core will create its own window.
4678 **/
4679 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4680         lc->preview_window_id=id;
4681 #ifdef VIDEO_ENABLED
4682         LinphoneCall *call=linphone_core_get_current_call(lc);
4683         if (call!=NULL && call->videostream){
4684                 video_stream_set_native_preview_window_id(call->videostream,id);
4685         }else if (lc->previewstream){
4686                 video_preview_set_native_window_id(lc->previewstream,id);
4687         }
4688 #endif
4689 }
4690
4691 /**
4692  * Can be used to disable video showing to free XV port
4693 **/
4694 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4695 #ifdef VIDEO_ENABLED
4696         ms_error("linphone_core_show_video %d", show);
4697         LinphoneCall *call=linphone_core_get_current_call(lc);
4698         if (call!=NULL && call->videostream){
4699                 video_stream_show_video(call->videostream,show);
4700         }
4701 #endif
4702 }
4703
4704 /**
4705  * Tells the core to use a separate window for local camera preview video, instead of
4706  * inserting local view within the remote video window.
4707  *
4708 **/
4709 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4710         lc->use_preview_window=yesno;
4711 }
4712 /**
4713  * @ingroup media_parameters
4714  *returns current device orientation
4715  */
4716 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4717         return lc->device_rotation;
4718 }
4719 /**
4720  * @ingroup media_parameters
4721  * Tells the core the device current orientation. This can be used by capture filters
4722  * on mobile devices to select between portrait/landscape mode and to produce properly
4723  * oriented images. The exact meaning of the value in rotation if left to each device
4724  * specific implementations.
4725  *@param lc  object.
4726  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4727  *
4728 **/
4729 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4730         ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4731         lc->device_rotation = rotation;
4732 #ifdef VIDEO_ENABLED
4733         LinphoneCall *call=linphone_core_get_current_call(lc);
4734         if (call!=NULL && call->videostream){
4735                 video_stream_set_device_rotation(call->videostream,rotation);
4736         }
4737 #endif
4738 }
4739
4740 static MSVideoSizeDef supported_resolutions[]={
4741 #ifdef ENABLE_HD
4742         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4743         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4744 #endif
4745         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4746         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4747         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4748         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4749         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4750         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4751         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },      
4752         {       {0,0}                   ,       NULL    }
4753 };
4754
4755 /**
4756  * Returns the zero terminated table of supported video resolutions.
4757  *
4758  * @ingroup media_parameters
4759 **/
4760 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4761         return supported_resolutions;
4762 }
4763
4764 static MSVideoSize video_size_get_by_name(const char *name){
4765         MSVideoSizeDef *pdef=supported_resolutions;
4766         MSVideoSize null_vsize={0,0};
4767         for(;pdef->name!=NULL;pdef++){
4768                 if (strcasecmp(name,pdef->name)==0){
4769                         return pdef->vsize;
4770                 }
4771         }
4772         ms_warning("Video resolution %s is not supported in linphone.",name);
4773         return null_vsize;
4774 }
4775
4776 static const char *video_size_get_name(MSVideoSize vsize){
4777         MSVideoSizeDef *pdef=supported_resolutions;
4778         for(;pdef->name!=NULL;pdef++){
4779                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4780                         return pdef->name;
4781                 }
4782         }
4783         return NULL;
4784 }
4785
4786 static bool_t video_size_supported(MSVideoSize vsize){
4787         if (video_size_get_name(vsize)) return TRUE;
4788         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4789         return FALSE;
4790 }
4791
4792 /**
4793  * Sets the preferred video size.
4794  *
4795  * @ingroup media_parameters
4796  * This applies only to the stream that is captured and sent to the remote party,
4797  * since we accept all standard video size on the receive path.
4798 **/
4799 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4800         if (video_size_supported(vsize)){
4801                 MSVideoSize oldvsize=lc->video_conf.vsize;
4802                 lc->video_conf.vsize=vsize;
4803                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4804                         toggle_video_preview(lc,FALSE);
4805                         toggle_video_preview(lc,TRUE);
4806                 }
4807                 if ( linphone_core_ready(lc))
4808                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4809         }
4810 }
4811
4812 /**
4813  * Sets the preferred video size by its name.
4814  *
4815  * @ingroup media_parameters
4816  * This is identical to linphone_core_set_preferred_video_size() except
4817  * that it takes the name of the video resolution as input.
4818  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4819 **/
4820 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4821         MSVideoSize vsize=video_size_get_by_name(name);
4822         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4823         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4824         else linphone_core_set_preferred_video_size(lc,default_vsize);
4825 }
4826
4827 /**
4828  * Returns the current preferred video size for sending.
4829  *
4830  * @ingroup media_parameters
4831 **/
4832 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4833         return lc->video_conf.vsize;
4834 }
4835
4836 /**
4837  * Ask the core to stream audio from and to files, instead of using the soundcard.
4838 **/
4839 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4840         lc->use_files=yesno;
4841 }
4842
4843 /**
4844  * Sets a wav file to be played when putting somebody on hold,
4845  * or when files are used instead of soundcards (see linphone_core_use_files()).
4846  *
4847  * The file must be a 16 bit linear wav file.
4848 **/
4849 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4850         LinphoneCall *call=linphone_core_get_current_call(lc);
4851         if (lc->play_file!=NULL){
4852                 ms_free(lc->play_file);
4853                 lc->play_file=NULL;
4854         }
4855         if (file!=NULL) {
4856                 lc->play_file=ms_strdup(file);
4857                 if (call && call->audiostream && call->audiostream->ms.ticker)
4858                         audio_stream_play(call->audiostream,file);
4859         }
4860 }
4861
4862
4863 /**
4864  * Sets a wav file where incoming stream is to be recorded,
4865  * when files are used instead of soundcards (see linphone_core_use_files()).
4866  *
4867  * This feature is different from call recording (linphone_call_params_set_record_file())
4868  * The file will be a 16 bit linear wav file.
4869 **/
4870 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4871         LinphoneCall *call=linphone_core_get_current_call(lc);
4872         if (lc->rec_file!=NULL){
4873                 ms_free(lc->rec_file);
4874                 lc->rec_file=NULL;
4875         }
4876         if (file!=NULL) {
4877                 lc->rec_file=ms_strdup(file);
4878                 if (call && call->audiostream)
4879                         audio_stream_record(call->audiostream,file);
4880         }
4881 }
4882
4883
4884 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4885         LinphoneCall *call=linphone_core_get_current_call (lc);
4886         AudioStream *stream=NULL;
4887         if (call){
4888                 stream=call->audiostream;
4889         }else if (linphone_core_is_in_conference(lc)){
4890                 stream=lc->conf_ctx.local_participant;
4891         }
4892         if (stream){
4893                 return stream->dtmfgen;
4894         }
4895         if (lc->ringstream==NULL){
4896                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4897                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4898                 if (ringcard == NULL)
4899                         return NULL;
4900
4901                 lc->ringstream=ring_start(NULL,0,ringcard);
4902                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4903                 lc->dmfs_playing_start_time=time(NULL);
4904         }else{
4905                 if (lc->dmfs_playing_start_time!=0)
4906                         lc->dmfs_playing_start_time=time(NULL);
4907         }
4908         return lc->ringstream->gendtmf;
4909 }
4910
4911 /**
4912  * @ingroup media_parameters
4913  * Plays a dtmf sound to the local user.
4914  * @param lc #LinphoneCore
4915  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4916  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4917 **/
4918 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4919         MSFilter *f=get_dtmf_gen(lc);
4920         if (f==NULL){
4921                 ms_error("No dtmf generator at this time !");
4922                 return;
4923         }
4924
4925         if (duration_ms>0)
4926                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4927         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4928 }
4929
4930 void linphone_core_play_named_tone(LinphoneCore *lc, LinphoneToneID toneid){
4931         if (linphone_core_tone_indications_enabled(lc)){
4932                 MSFilter *f=get_dtmf_gen(lc);
4933                 MSDtmfGenCustomTone def;
4934                 if (f==NULL){
4935                         ms_error("No dtmf generator at this time !");
4936                         return;
4937                 }
4938                 memset(&def,0,sizeof(def));
4939                 def.amplitude=1;
4940                 /*these are french tones, excepted the failed one, which is USA congestion tone (does not exist in France)*/
4941                 switch(toneid){
4942                         case LinphoneToneCallOnHold:
4943                         case LinphoneToneCallWaiting:
4944                                 def.duration=300;
4945                                 def.frequencies[0]=440;
4946                                 def.interval=2000;
4947                         break;
4948                         case LinphoneToneBusy:
4949                                 def.duration=500;
4950                                 def.frequencies[0]=440;
4951                                 def.interval=500;
4952                                 def.repeat_count=3;
4953                         break;
4954                         case LinphoneToneCallFailed:
4955                                 def.duration=250;
4956                                 def.frequencies[0]=480;
4957                                 def.frequencies[0]=620;
4958                                 def.interval=250;
4959                                 def.repeat_count=3;
4960                                 
4961                         break;
4962                         default:
4963                                 ms_warning("Unhandled tone id.");
4964                 }
4965                 if (def.duration>0)
4966                         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4967         }
4968 }
4969
4970 /**
4971  * @ingroup media_parameters
4972  *
4973  * Stops playing a dtmf started by linphone_core_play_dtmf().
4974 **/
4975 void linphone_core_stop_dtmf(LinphoneCore *lc){
4976         MSFilter *f=get_dtmf_gen(lc);
4977         if (f!=NULL)
4978                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4979 }
4980
4981
4982
4983 /**
4984  * Retrieves the user pointer that was given to linphone_core_new()
4985  *
4986  * @ingroup initializing
4987 **/
4988 void *linphone_core_get_user_data(LinphoneCore *lc){
4989         return lc->data;
4990 }
4991
4992
4993 /**
4994  * Associate a user pointer to the linphone core.
4995  *
4996  * @ingroup initializing
4997 **/
4998 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4999         lc->data=userdata;
5000 }
5001
5002 int linphone_core_get_mtu(const LinphoneCore *lc){
5003         return lc->net_conf.mtu;
5004 }
5005
5006 /**
5007  * Sets the maximum transmission unit size in bytes.
5008  * This information is useful for sending RTP packets.
5009  * Default value is 1500.
5010  * 
5011  * @ingroup media_parameters
5012 **/
5013 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
5014         lc->net_conf.mtu=mtu;
5015         if (mtu>0){
5016                 if (mtu<500){
5017                         ms_error("MTU too small !");
5018                         mtu=500;
5019                 }
5020                 ms_set_mtu(mtu);
5021                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
5022         }else ms_set_mtu(0);//use mediastreamer2 default value
5023 }
5024
5025 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
5026         lc->wait_cb=cb;
5027         lc->wait_ctx=user_context;
5028 }
5029
5030 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
5031         if (lc->wait_cb){
5032                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
5033         }
5034 }
5035
5036 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
5037         if (lc->wait_cb){
5038                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
5039         }else{
5040 #ifdef WIN32
5041                 Sleep(50000);
5042 #else
5043                 usleep(50000);
5044 #endif
5045         }
5046 }
5047
5048 void linphone_core_stop_waiting(LinphoneCore *lc){
5049         if (lc->wait_cb){
5050                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
5051         }
5052 }
5053
5054 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
5055         lc->rtptf=factories;
5056 }
5057
5058 /**
5059  * Retrieve RTP statistics regarding current call.
5060  * @param local RTP statistics computed locally.
5061  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
5062  *
5063  * @note Remote RTP statistics is not implemented yet.
5064  *
5065  * @returns 0 or -1 if no call is running.
5066 **/
5067
5068 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
5069         LinphoneCall *call=linphone_core_get_current_call (lc);
5070         if (call!=NULL){
5071                 if (call->audiostream!=NULL){
5072                         memset(remote,0,sizeof(*remote));
5073                         audio_stream_get_local_rtp_stats (call->audiostream,local);
5074                         return 0;
5075                 }
5076         }
5077         return -1;
5078 }
5079
5080 void net_config_uninit(LinphoneCore *lc)
5081 {
5082         net_config_t *config=&lc->net_conf;
5083
5084         if (config->stun_server!=NULL){
5085                 ms_free(lc->net_conf.stun_server);
5086         }
5087         if (config->nat_address!=NULL){
5088                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
5089                 ms_free(lc->net_conf.nat_address);
5090         }
5091         if (lc->net_conf.nat_address_ip !=NULL){
5092                 ms_free(lc->net_conf.nat_address_ip);
5093         }
5094         lp_config_set_int(lc->config,"net","mtu",config->mtu);
5095 }
5096
5097
5098 void sip_config_uninit(LinphoneCore *lc)
5099 {
5100         MSList *elem;
5101         int i;
5102         sip_config_t *config=&lc->sip_conf;
5103         
5104         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
5105         lp_config_set_string(lc->config,"sip","contact",config->contact);
5106         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
5107         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
5108         lp_config_set_int(lc->config,"sip","delayed_timeout",config->delayed_timeout);
5109         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
5110         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
5111         lp_config_set_int(lc->config,"sip","register_only_when_upnp_is_ok",config->register_only_when_upnp_is_ok);
5112
5113         
5114
5115         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
5116                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
5117                 linphone_proxy_config_edit(cfg);        /* to unregister */
5118         }
5119
5120         for (i=0;i<20;i++){
5121                 sal_iterate(lc->sal);
5122 #ifndef WIN32
5123                 usleep(100000);
5124 #else
5125                 Sleep(100);
5126 #endif
5127         }
5128
5129         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
5130         ms_list_free(config->proxies);
5131         config->proxies=NULL;
5132
5133         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
5134
5135         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
5136         ms_list_free(lc->auth_info);
5137         lc->auth_info=NULL;
5138
5139         sal_uninit(lc->sal);
5140         lc->sal=NULL;
5141
5142         if (lc->sip_conf.guessed_contact)
5143                 ms_free(lc->sip_conf.guessed_contact);
5144         if (config->contact)
5145                 ms_free(config->contact);
5146
5147 }
5148
5149 void rtp_config_uninit(LinphoneCore *lc)
5150 {
5151         rtp_config_t *config=&lc->rtp_conf;
5152         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
5153                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
5154         } else {
5155                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
5156         }
5157         if (config->video_rtp_min_port == config->video_rtp_max_port) {
5158                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
5159         } else {
5160                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
5161         }
5162         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
5163         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
5164         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
5165         lp_config_set_int(lc->config,"rtp","audio_adaptive_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
5166         lp_config_set_int(lc->config,"rtp","video_adaptive_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
5167 }
5168
5169 static void sound_config_uninit(LinphoneCore *lc)
5170 {
5171         sound_config_t *config=&lc->sound_conf;
5172         ms_free(config->cards);
5173
5174         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
5175         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
5176         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
5177
5178         if (config->local_ring) ms_free(config->local_ring);
5179         if (config->remote_ring) ms_free(config->remote_ring);
5180         ms_snd_card_manager_destroy();
5181 }
5182
5183 static void video_config_uninit(LinphoneCore *lc)
5184 {
5185         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
5186         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
5187         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
5188         if (lc->video_conf.cams)
5189                 ms_free(lc->video_conf.cams);
5190 }
5191
5192 void _linphone_core_codec_config_write(LinphoneCore *lc){
5193         if (linphone_core_ready(lc)){
5194                 PayloadType *pt;
5195                 codecs_config_t *config=&lc->codecs_conf;
5196                 MSList *node;
5197                 char key[50];
5198                 int index;
5199                 index=0;
5200                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
5201                         pt=(PayloadType*)(node->data);
5202                         sprintf(key,"audio_codec_%i",index);
5203                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5204                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5205                         lp_config_set_int(lc->config,key,"channels",pt->channels);
5206                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5207                         index++;
5208                 }
5209                 sprintf(key,"audio_codec_%i",index);
5210                 lp_config_clean_section (lc->config,key);
5211
5212                 index=0;
5213                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
5214                         pt=(PayloadType*)(node->data);
5215                         sprintf(key,"video_codec_%i",index);
5216                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5217                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5218                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5219                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
5220                         index++;
5221                 }
5222                 sprintf(key,"video_codec_%i",index);
5223                 lp_config_clean_section (lc->config,key);
5224         }
5225 }
5226
5227 static void codecs_config_uninit(LinphoneCore *lc)
5228 {
5229         _linphone_core_codec_config_write(lc);
5230         ms_list_free(lc->codecs_conf.audio_codecs);
5231         ms_list_free(lc->codecs_conf.video_codecs);
5232 }
5233
5234 void ui_config_uninit(LinphoneCore* lc)
5235 {
5236         if (lc->friends){
5237                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
5238                 ms_list_free(lc->friends);
5239                 lc->friends=NULL;
5240         }
5241 }
5242
5243 /**
5244  * Returns the LpConfig object used to manage the storage (config) file.
5245  *
5246  * @ingroup misc
5247  * The application can use the LpConfig object to insert its own private
5248  * sections and pairs of key=value in the configuration file.
5249  *
5250 **/
5251 LpConfig *linphone_core_get_config(LinphoneCore *lc){
5252         return lc->config;
5253 }
5254
5255 static void linphone_core_uninit(LinphoneCore *lc)
5256 {
5257         linphone_core_free_hooks(lc);
5258         while(lc->calls)
5259         {
5260                 LinphoneCall *the_call = lc->calls->data;
5261                 linphone_core_terminate_call(lc,the_call);
5262                 linphone_core_iterate(lc);
5263 #ifdef WIN32
5264                 Sleep(50000);
5265 #else
5266                 usleep(50000);
5267 #endif
5268         }
5269 #ifdef BUILD_UPNP
5270         if(lc->upnp != NULL) {
5271                 linphone_upnp_context_destroy(lc->upnp);
5272                 lc->upnp = NULL;
5273         }
5274 #endif //BUILD_UPNP
5275
5276         if (lc->friends)
5277                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
5278         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
5279 #ifdef VIDEO_ENABLED
5280         if (lc->previewstream!=NULL){
5281                 video_preview_stop(lc->previewstream);
5282                 lc->previewstream=NULL;
5283         }
5284 #endif
5285         ms_event_queue_destroy(lc->msevq);
5286         lc->msevq=NULL;
5287         /* save all config */
5288         net_config_uninit(lc);
5289         rtp_config_uninit(lc);
5290         if (lc->ringstream) ring_stop(lc->ringstream);
5291         sound_config_uninit(lc);
5292         video_config_uninit(lc);
5293         codecs_config_uninit(lc);
5294         ui_config_uninit(lc);
5295         sip_config_uninit(lc);
5296         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
5297         lp_config_destroy(lc->config);
5298         lc->config = NULL; /* Mark the config as NULL to block further calls */
5299         sip_setup_unregister_all();
5300
5301         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
5302         lc->call_logs=ms_list_free(lc->call_logs);
5303         
5304         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
5305         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
5306         
5307         // Free struct variable
5308         if(lc->zrtp_secrets_cache != NULL) {
5309                 ms_free(lc->zrtp_secrets_cache);
5310         }
5311         if(lc->play_file!=NULL){
5312                 ms_free(lc->play_file);
5313         }
5314         if(lc->rec_file!=NULL){
5315                 ms_free(lc->rec_file);
5316         }
5317
5318         linphone_core_free_payload_types(lc);
5319         
5320         linphone_core_message_storage_close(lc);
5321         ortp_exit();
5322         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
5323 #ifdef TUNNEL_ENABLED
5324         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
5325 #endif
5326 }
5327
5328 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
5329         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
5330         // second get the list of available proxies
5331         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5332         for(;elem!=NULL;elem=elem->next){
5333                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5334                 if (linphone_proxy_config_register_enabled(cfg) ) {
5335                         if (!isReachable) {
5336                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
5337                         }else{
5338                                 cfg->commit=TRUE;
5339                         }
5340                 }
5341         }
5342         lc->netup_time=curtime;
5343         lc->network_reachable=isReachable;
5344         
5345         if(!isReachable) {
5346                 sal_reset_transports(lc->sal);
5347         }
5348 #ifdef BUILD_UPNP
5349         if(lc->upnp == NULL) {
5350                 if(isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5351                         lc->upnp = linphone_upnp_context_new(lc);       
5352                 }
5353         } else {
5354                 if(!isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5355                         linphone_upnp_context_destroy(lc->upnp);
5356                         lc->upnp = NULL;
5357                 }
5358         }
5359 #endif  
5360 }
5361
5362 void linphone_core_refresh_registers(LinphoneCore* lc) {
5363         const MSList *elem;
5364         if (!lc->network_reachable) {
5365                 ms_warning("Refresh register operation not available (network unreachable)");
5366                 return;
5367         }
5368         elem=linphone_core_get_proxy_config_list(lc);
5369         for(;elem!=NULL;elem=elem->next){
5370                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5371                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
5372                         linphone_proxy_config_refresh_register(cfg);
5373                 }
5374         }
5375 }
5376
5377 void __linphone_core_invalidate_registers(LinphoneCore* lc){
5378         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5379         for(;elem!=NULL;elem=elem->next){
5380                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5381                 if (linphone_proxy_config_register_enabled(cfg)) {
5382                         linphone_proxy_config_edit(cfg);
5383                         linphone_proxy_config_done(cfg);
5384                 }
5385         }
5386 }
5387
5388 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5389         //first disable automatic mode
5390         if (lc->auto_net_state_mon) {
5391                 ms_message("Disabling automatic network state monitoring");
5392                 lc->auto_net_state_mon=FALSE;
5393         }
5394         set_network_reachable(lc,isReachable, ms_time(NULL));
5395 }
5396
5397 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5398         return lc->network_reachable;
5399 }
5400 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5401         return sal_get_socket(lc->sal);
5402 }
5403 /**
5404  * Destroys a LinphoneCore
5405  *
5406  * @ingroup initializing
5407 **/
5408 void linphone_core_destroy(LinphoneCore *lc){
5409         linphone_core_uninit(lc);
5410         ms_free(lc);
5411 }
5412 /**
5413  * Get the number of Call
5414  *
5415  * @ingroup call_control
5416 **/
5417 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5418         return  ms_list_size(lc->calls);;
5419 }
5420
5421 /**
5422  * Check if we do not have exceed the number of simultaneous call
5423  *
5424  * @ingroup call_control
5425 **/
5426 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5427 {
5428         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5429                 return TRUE;
5430         ms_message("Maximum amount of simultaneous calls reached !");
5431         return FALSE;
5432 }
5433
5434
5435 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5436 {
5437         if(linphone_core_can_we_add_call(lc))
5438         {
5439                 lc->calls = ms_list_append(lc->calls,call);
5440                 return 0;
5441         }
5442         return -1;
5443 }
5444
5445 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5446 {
5447         MSList *it;
5448         MSList *the_calls = lc->calls;
5449
5450         it=ms_list_find(the_calls,call);
5451         if (it)
5452         {
5453                 the_calls = ms_list_remove_link(the_calls,it);
5454         }
5455         else
5456         {
5457                 ms_warning("could not find the call into the list\n");
5458                 return -1;
5459         }
5460         lc->calls = the_calls;
5461         return 0;
5462 }
5463
5464 /**
5465  * Specifiies a ring back tone to be played to far end during incoming calls.
5466 **/
5467 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5468         if (lc->sound_conf.ringback_tone){
5469                 ms_free(lc->sound_conf.ringback_tone);
5470                 lc->sound_conf.ringback_tone=NULL;
5471         }
5472         if (file)
5473                 lc->sound_conf.ringback_tone=ms_strdup(file);
5474 }
5475
5476 /**
5477  * Returns the ring back tone played to far end during incoming calls.
5478 **/
5479 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5480         return lc->sound_conf.ringback_tone;
5481 }
5482
5483 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5484         const MSList *elem;
5485         for(elem=from;elem!=NULL;elem=elem->next){
5486                 PayloadType *pt=(PayloadType*)elem->data;
5487                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5488                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5489                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5490                         return pt;
5491                 }
5492         }
5493         return NULL;
5494 }
5495
5496
5497 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5498         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5499         if (result)  {
5500                 return result;
5501         } else {
5502                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5503                 if (result) {
5504                         return result;
5505                 }
5506         }
5507         /*not found*/
5508         return NULL;
5509 }
5510
5511 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5512         switch(gs){
5513                 case LinphoneGlobalOff:
5514                         return "LinphoneGlobalOff";
5515                 break;
5516                 case LinphoneGlobalOn:
5517                         return "LinphoneGlobalOn";
5518                 break;
5519                 case LinphoneGlobalStartup:
5520                         return "LinphoneGlobalStartup";
5521                 break;
5522                 case LinphoneGlobalShutdown:
5523                         return "LinphoneGlobalShutdown";
5524                 break;
5525         }
5526         return NULL;
5527 }
5528
5529 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5530         return lc->state;
5531 }
5532
5533 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5534         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5535         linphone_core_init_default_params(lc, p);
5536         return p;
5537 }
5538
5539 const char *linphone_reason_to_string(LinphoneReason err){
5540         switch(err){
5541                 case LinphoneReasonNone:
5542                         return "No error";
5543                 case LinphoneReasonNoResponse:
5544                         return "No response";
5545                 case LinphoneReasonBadCredentials:
5546                         return "Bad credentials";
5547                 case LinphoneReasonDeclined:
5548                         return "Call declined";
5549                 case LinphoneReasonNotFound:
5550                         return "User not found";
5551                 case LinphoneReasonNotAnswered:
5552                         return "Not answered";
5553                 case LinphoneReasonBusy:
5554                         return "Busy";
5555         }
5556         return "unknown error";
5557 }
5558
5559 const char *linphone_error_to_string(LinphoneReason err){
5560         return linphone_reason_to_string(err);
5561 }
5562 /**
5563  * Enables signaling keep alive
5564  */
5565 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5566 #ifdef BUILD_UPNP
5567         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp) {
5568                 enable = FALSE;
5569         }
5570 #endif //BUILD_UPNP
5571         if (enable > 0) {
5572                 sal_use_tcp_tls_keepalive(lc->sal,lc->sip_conf.tcp_tls_keepalive);
5573                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5574         } else {
5575                 sal_set_keepalive_period(lc->sal,0);
5576         }
5577 }
5578 /**
5579  * Is signaling keep alive enabled
5580  */
5581 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5582         return sal_get_keepalive_period(lc->sal) > 0;
5583 }
5584
5585 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5586         get_dtmf_gen(lc); /*make sure ring stream is started*/
5587         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5588 }
5589
5590 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5591         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5592                 ring_stop(lc->ringstream);
5593                 lc->ringstream=NULL;
5594         }
5595 }
5596
5597 int linphone_core_get_max_calls(LinphoneCore *lc) {
5598         return lc->max_calls;
5599 }
5600 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5601         lc->max_calls=max;
5602 }
5603
5604 typedef struct Hook{
5605         LinphoneCoreIterateHook fun;
5606         void *data;
5607 }Hook;
5608
5609 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5610         Hook *h=ms_new(Hook,1);
5611         h->fun=hook;
5612         h->data=hook_data;
5613         return h;
5614 }
5615
5616 static void hook_invoke(Hook *h){
5617         h->fun(h->data);
5618 }
5619
5620 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5621         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5622 }
5623
5624 static void linphone_core_run_hooks(LinphoneCore *lc){
5625         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5626 }
5627
5628 static void linphone_core_free_hooks(LinphoneCore *lc){
5629         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5630         ms_list_free(lc->hooks);
5631         lc->hooks=NULL;
5632 }
5633
5634 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5635         MSList *elem;
5636         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5637                 Hook *h=(Hook*)elem->data;
5638                 if (h->fun==hook && h->data==hook_data){
5639                         lc->hooks = ms_list_remove_link(lc->hooks,elem);
5640                         ms_free(h);
5641                         return;
5642                 }
5643         }
5644         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5645 }
5646
5647 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5648         if (lc->zrtp_secrets_cache != NULL) {
5649                 ms_free(lc->zrtp_secrets_cache);
5650         }
5651         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5652 }
5653
5654 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5655         return lc->zrtp_secrets_cache;
5656 }
5657
5658 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5659         if (uri == NULL) return NULL;
5660         MSList *calls=lc->calls;
5661         while(calls) {
5662                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5663                 calls=calls->next;
5664                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5665                 char *current_uri=linphone_address_as_string_uri_only(address);
5666                 if (strcmp(uri,current_uri)==0) {
5667                         ms_free(current_uri);
5668                         return c;
5669                 } else {
5670                         ms_free(current_uri);
5671                 }
5672         }
5673         return NULL;
5674 }
5675
5676
5677 /**
5678  * Check if a call will need the sound resources.
5679  *
5680  * @ingroup call_control
5681  * @param lc The LinphoneCore
5682 **/
5683 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5684         MSList *calls=lc->calls;
5685         while(calls) {
5686                 LinphoneCall *c=(LinphoneCall*)calls->data;
5687                 calls=calls->next;
5688                 switch (c->state) {
5689                         case LinphoneCallOutgoingInit:
5690                         case LinphoneCallOutgoingProgress:
5691                         case LinphoneCallOutgoingRinging:
5692                         case LinphoneCallOutgoingEarlyMedia:
5693                         case LinphoneCallConnected:
5694                         case LinphoneCallRefered:
5695                         case LinphoneCallIncomingEarlyMedia:
5696                         case LinphoneCallUpdating:
5697                                 return TRUE;
5698                         default:
5699                                 break;
5700                 }
5701         }
5702         return FALSE;
5703 }
5704
5705 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5706         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5707 }
5708
5709 /**
5710  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5711 **/
5712 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5713         switch(menc){
5714                 case LinphoneMediaEncryptionSRTP:
5715                         return ortp_srtp_supported();
5716                 case LinphoneMediaEncryptionZRTP:
5717                         return ortp_zrtp_available();
5718                 case LinphoneMediaEncryptionNone:
5719                         return TRUE;
5720         }
5721         return FALSE;
5722 }
5723
5724 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5725         const char *type="none";
5726         int ret=0;
5727         if (menc == LinphoneMediaEncryptionSRTP){
5728                 if (!ortp_srtp_supported()){
5729                         ms_warning("SRTP not supported by library.");
5730                         type="none";
5731                         ret=-1;
5732                 }else type="srtp";
5733         }else if (menc == LinphoneMediaEncryptionZRTP){
5734                 if (!ortp_zrtp_available()){
5735                         ms_warning("ZRTP not supported by library.");
5736                         type="none";
5737                         ret=-1;
5738                 }else type="zrtp";
5739         }
5740         lp_config_set_string(lc->config,"sip","media_encryption",type);
5741         return ret;
5742 }
5743
5744 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5745         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5746         
5747         if (menc == NULL)
5748                 return LinphoneMediaEncryptionNone;
5749         else if (strcmp(menc, "srtp")==0)
5750                 return LinphoneMediaEncryptionSRTP;
5751         else if (strcmp(menc, "zrtp")==0)
5752                 return LinphoneMediaEncryptionZRTP;
5753         else
5754                 return LinphoneMediaEncryptionNone;
5755 }
5756
5757 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5758         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5759 }
5760
5761 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5762         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5763 }
5764
5765 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5766         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5767         params->media_encryption=linphone_core_get_media_encryption(lc);
5768         params->in_conference=FALSE;
5769 }
5770
5771 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5772         if (lc->device_id) ms_free(lc->device_id);
5773         lc->device_id=ms_strdup(device_id);
5774 }
5775 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5776         return lc->device_id;
5777 }
5778
5779 /**
5780  * Set the DSCP field for SIP signaling channel.
5781  * 
5782  * @ingroup network_parameters
5783  * * The DSCP defines the quality of service in IP packets.
5784  * 
5785 **/
5786 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5787         sal_set_dscp(lc->sal,dscp);
5788         if (linphone_core_ready(lc)){
5789                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5790                 apply_transports(lc);
5791         }
5792 }
5793
5794 /**
5795  * Get the DSCP field for SIP signaling channel.
5796  * 
5797  * @ingroup network_parameters
5798  * * The DSCP defines the quality of service in IP packets.
5799  * 
5800 **/
5801 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5802         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5803 }
5804
5805 /**
5806  * Set the DSCP field for outgoing audio streams.
5807  *
5808  * @ingroup network_parameters
5809  * The DSCP defines the quality of service in IP packets.
5810  * 
5811 **/
5812 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5813         if (linphone_core_ready(lc))
5814                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5815 }
5816
5817 /**
5818  * Get the DSCP field for outgoing audio streams.
5819  *
5820  * @ingroup network_parameters
5821  * The DSCP defines the quality of service in IP packets.
5822  * 
5823 **/
5824 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5825         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5826 }
5827
5828 /**
5829  * Set the DSCP field for outgoing video streams.
5830  *
5831  * @ingroup network_parameters
5832  * The DSCP defines the quality of service in IP packets.
5833  * 
5834 **/
5835 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5836         if (linphone_core_ready(lc))
5837                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5838         
5839 }
5840
5841 /**
5842  * Get the DSCP field for outgoing video streams.
5843  *
5844  * @ingroup network_parameters
5845  * The DSCP defines the quality of service in IP packets.
5846  * 
5847 **/
5848 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5849         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5850 }
5851
5852
5853 /**
5854  * Sets the database filename where chat messages will be stored.
5855  * If the file does not exist, it will be created.
5856  * @ingroup initializing
5857  * @param lc the linphone core
5858  * @param path filesystem path
5859 **/
5860 void linphone_core_set_chat_database_path(LinphoneCore *lc, const char *path){
5861         if (lc->chat_db_file){
5862                 ms_free(lc->chat_db_file);
5863                 lc->chat_db_file=NULL;
5864         }
5865         if (path) {
5866                 lc->chat_db_file=ms_strdup(path);
5867                 linphone_core_message_storage_init(lc);
5868         }
5869 }
5870
5871