sjero.net Git - linphone/blob - coreapi/linphonecore.c

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