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
  69 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95         return strftime(s, max, fmt, tm);
  96 }
  97
  98 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  99         struct tm loctime;
 100 #ifdef WIN32
 101 #if !defined(_WIN32_WCE)
 102         loctime=*localtime(&start_time);
 103         /*FIXME*/
 104 #endif /*_WIN32_WCE*/
 105 #else
 106         localtime_r(&start_time,&loctime);
 107 #endif
 108         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 109 }
 110
 111 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 112         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 113         cl->dir=call->dir;
 114         cl->start_date_time=call->start_time;
 115         set_call_log_date(cl,cl->start_date_time);
 116         cl->from=from;
 117         cl->to=to;
 118         cl->status=LinphoneCallAborted; /*default status*/
 119         cl->quality=-1;
 120         return cl;
 121 }
 122
 123 void call_logs_write_to_config_file(LinphoneCore *lc){
 124         MSList *elem;
 125         char logsection[32];
 126         int i;
 127         char *tmp;
 128         LpConfig *cfg=lc->config;
 129
 130         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 131
 132         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 133                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 134                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 135                 lp_config_clean_section(cfg,logsection);
 136                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 137                 lp_config_set_int(cfg,logsection,"status",cl->status);
 138                 tmp=linphone_address_as_string(cl->from);
 139                 lp_config_set_string(cfg,logsection,"from",tmp);
 140                 ms_free(tmp);
 141                 tmp=linphone_address_as_string(cl->to);
 142                 lp_config_set_string(cfg,logsection,"to",tmp);
 143                 ms_free(tmp);
 144                 if (cl->start_date_time)
 145                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 146                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 147                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 148                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 149                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 150                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 151                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 152         }
 153         for(;i<lc->max_call_logs;++i){
 154                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 155                 lp_config_clean_section(cfg,logsection);
 156         }
 157 }
 158
 159 static time_t string_to_time(const char *date){
 160 #ifndef WIN32
 161         struct tm tmtime={0};
 162         strptime(date,"%c",&tmtime);
 163         return mktime(&tmtime);
 164 #else
 165         return 0;
 166 #endif
 167 }
 168
 169 static void call_logs_read_from_config_file(LinphoneCore *lc){
 170         char logsection[32];
 171         int i;
 172         const char *tmp;
 173         uint64_t sec;
 174         LpConfig *cfg=lc->config;
 175         for(i=0;;++i){
 176                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 177                 if (lp_config_has_section(cfg,logsection)){
 178                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 179                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 180                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 181                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 182                         if (tmp) cl->from=linphone_address_new(tmp);
 183                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 184                         if (tmp) cl->to=linphone_address_new(tmp);
 185                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 186                         if (sec) {
 187                                 /*new call log format with date expressed in seconds */
 188                                 cl->start_date_time=(time_t)sec;
 189                                 set_call_log_date(cl,cl->start_date_time);
 190                         }else{
 191                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 192                                 if (tmp) {
 193                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 194                                         cl->start_date_time=string_to_time(cl->start_date);
 195                                 }
 196                         }
 197                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 198                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 199                         if (tmp) cl->refkey=ms_strdup(tmp);
 200                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 201                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"call_id",NULL);
 203                         if (tmp) cl->call_id=ms_strdup(tmp);
 204                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 205                 }else break;
 206         }
 207 }
 208
 209
 210
 211 /**
 212  * @addtogroup call_logs
 213  * @{
 214 **/
 215
 216 /**
 217  * Returns a human readable string describing the call.
 218  *
 219  * @note: the returned char* must be freed by the application (use ms_free()).
 220 **/
 221 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 222         char *status;
 223         char *tmp;
 224         char *from=linphone_address_as_string (cl->from);
 225         char *to=linphone_address_as_string (cl->to);
 226         switch(cl->status){
 227                 case LinphoneCallAborted:
 228                         status=_("aborted");
 229                         break;
 230                 case LinphoneCallSuccess:
 231                         status=_("completed");
 232                         break;
 233                 case LinphoneCallMissed:
 234                         status=_("missed");
 235                         break;
 236                 default:
 237                         status="unknown";
 238         }
 239         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 240                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 241                         cl->start_date,
 242                         from,
 243                         to,
 244                         status,
 245                         cl->duration/60,
 246                         cl->duration%60);
 247         ms_free(from);
 248         ms_free(to);
 249         return tmp;
 250 }
 251
 252 /**
 253  * Returns RTP statistics computed locally regarding the call.
 254  *
 255 **/
 256 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 257         return &cl->local_stats;
 258 }
 259
 260 /**
 261  * Returns RTP statistics computed by remote end and sent back via RTCP.
 262  *
 263  * @note Not implemented yet.
 264 **/
 265 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 266         return &cl->remote_stats;
 267 }
 268
 269 const char *linphone_call_log_get_call_id(const LinphoneCallLog *cl){
 270         return cl->call_id;
 271 }
 272
 273 /**
 274  * Assign a user pointer to the call log.
 275 **/
 276 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 277         cl->user_pointer=up;
 278 }
 279
 280 /**
 281  * Returns the user pointer associated with the call log.
 282 **/
 283 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 284         return cl->user_pointer;
 285 }
 286
 287
 288
 289 /**
 290  * Associate a persistent reference key to the call log.
 291  *
 292  * The reference key can be for example an id to an external database.
 293  * It is stored in the config file, thus can survive to process exits/restarts.
 294  *
 295 **/
 296 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 297         if (cl->refkey!=NULL){
 298                 ms_free(cl->refkey);
 299                 cl->refkey=NULL;
 300         }
 301         if (refkey) cl->refkey=ms_strdup(refkey);
 302 }
 303
 304 /**
 305  * Get the persistent reference key associated to the call log.
 306  *
 307  * The reference key can be for example an id to an external database.
 308  * It is stored in the config file, thus can survive to process exits/restarts.
 309  *
 310 **/
 311 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 312         return cl->refkey;
 313 }
 314
 315 /**
 316  * Returns origin (ie from) address of the call.
 317 **/
 318 LinphoneAddress *linphone_call_log_get_from(LinphoneCallLog *cl){
 319         return cl->from;
 320 }
 321
 322 /**
 323  * Returns destination address (ie to) of the call.
 324 **/
 325 LinphoneAddress *linphone_call_log_get_to(LinphoneCallLog *cl){
 326         return cl->to;
 327 }
 328
 329 /**
 330  * Returns remote address (that is from or to depending on call direction).
 331 **/
 332 LinphoneAddress *linphone_call_log_get_remote_address(LinphoneCallLog *cl){
 333         return (cl->dir == LinphoneCallIncoming) ? cl->from : cl->to;
 334 }
 335
 336 /**
 337  * Returns the direction of the call.
 338 **/
 339 LinphoneCallDir linphone_call_log_get_dir(LinphoneCallLog *cl){
 340         return cl->dir;
 341 }
 342
 343 /**
 344  * Returns the status of the call.
 345 **/
 346 LinphoneCallStatus linphone_call_log_get_status(LinphoneCallLog *cl){
 347         return cl->status;
 348 }
 349
 350 /**
 351  * Returns the start date of the call, expressed as a POSIX time_t.
 352 **/
 353 time_t linphone_call_log_get_start_date(LinphoneCallLog *cl){
 354         return cl->start_date_time;
 355 }
 356
 357 /**
 358  * Returns duration of the call.
 359 **/
 360 int linphone_call_log_get_duration(LinphoneCallLog *cl){
 361         return cl->duration;
 362 }
 363
 364 /**
 365  * Returns overall quality indication of the call.
 366 **/
 367 float linphone_call_log_get_quality(LinphoneCallLog *cl){
 368         return cl->quality;
 369 }
 370 /**
 371  * return true if video was enabled at the end of the call
 372  */
 373 LinphoneCallStatus linphone_call_log_video_enabled(LinphoneCallLog *cl) {
 374         return cl->video_enabled;
 375 }
 376 /** @} */
 377
 378 void linphone_call_log_destroy(LinphoneCallLog *cl){
 379         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 380         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 381         if (cl->refkey!=NULL) ms_free(cl->refkey);
 382         if (cl->call_id) ms_free(cl->call_id);
 383         ms_free(cl);
 384 }
 385
 386 /**
 387  * Returns TRUE if the LinphoneCall asked to autoanswer
 388  *
 389 **/
 390 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 391         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 392         if(call)
 393                 return sal_call_autoanswer_asked(call->op);
 394         else
 395                 return FALSE;
 396 }
 397
 398 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 399         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 400         if (call)  return linphone_call_get_duration(call);
 401         return -1;
 402 }
 403
 404 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 405         LinphoneCall *call=linphone_core_get_current_call(lc);
 406         if (call==NULL) return NULL;
 407         return linphone_call_get_remote_address(call);
 408 }
 409
 410 /**
 411  * Enable logs in supplied FILE*.
 412  *
 413  * @ingroup misc
 414  *
 415  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 416  *
 417 **/
 418 void linphone_core_enable_logs(FILE *file){
 419         if (file==NULL) file=stdout;
 420         ortp_set_log_file(file);
 421         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 422 }
 423
 424 /**
 425  * Enable logs through the user's supplied log callback.
 426  *
 427  * @ingroup misc
 428  *
 429  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 430  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 431  *
 432 **/
 433 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 434         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 435         ortp_set_log_handler(logfunc);
 436 }
 437
 438 /**
 439  * Entirely disable logging.
 440  *
 441  * @ingroup misc
 442 **/
 443 void linphone_core_disable_logs(){
 444         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 445 }
 446
 447
 448 static void net_config_read (LinphoneCore *lc)
 449 {
 450         int tmp;
 451         const char *tmpstr;
 452         LpConfig *config=lc->config;
 453
 454         lc->net_conf.nat_address_ip = NULL;
 455         tmp=lp_config_get_int(config,"net","download_bw",0);
 456         linphone_core_set_download_bandwidth(lc,tmp);
 457         tmp=lp_config_get_int(config,"net","upload_bw",0);
 458         linphone_core_set_upload_bandwidth(lc,tmp);
 459         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 460         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 461         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 462         linphone_core_set_nat_address(lc,tmpstr);
 463         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 464         linphone_core_set_firewall_policy(lc,tmp);
 465         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 466         lc->net_conf.nat_sdp_only=tmp;
 467         tmp=lp_config_get_int(lc->config,"net","mtu",1300);
 468         linphone_core_set_mtu(lc,tmp);
 469         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 470         linphone_core_set_download_ptime(lc,tmp);
 471
 472 }
 473
 474 static void build_sound_devices_table(LinphoneCore *lc){
 475         const char **devices;
 476         const char **old;
 477         int ndev;
 478         int i;
 479         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 480         ndev=ms_list_size(elem);
 481         devices=ms_malloc((ndev+1)*sizeof(const char *));
 482         for (i=0;elem!=NULL;elem=elem->next,i++){
 483                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 484         }
 485         devices[ndev]=NULL;
 486         old=lc->sound_conf.cards;
 487         lc->sound_conf.cards=devices;
 488         if (old!=NULL) ms_free(old);
 489 }
 490
 491 static void sound_config_read(LinphoneCore *lc)
 492 {
 493         int tmp;
 494         const char *tmpbuf;
 495         const char *devid;
 496 #ifdef __linux
 497         /*alsadev let the user use custom alsa device within linphone*/
 498         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 499         if (devid){
 500                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 501                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 502         }
 503         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 504         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 505 #endif
 506         /* retrieve all sound devices */
 507         build_sound_devices_table(lc);
 508
 509         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 510         linphone_core_set_playback_device(lc,devid);
 511
 512         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 513         linphone_core_set_ringer_device(lc,devid);
 514
 515         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 516         linphone_core_set_capture_device(lc,devid);
 517
 518 /*
 519         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 520         linphone_core_set_play_level(lc,tmp);
 521         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 522         linphone_core_set_ring_level(lc,tmp);
 523         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 524         linphone_core_set_rec_level(lc,tmp);
 525         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 526         linphone_core_set_sound_source(lc,tmpbuf[0]);
 527 */
 528
 529         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 530         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 531         if (ortp_file_exist(tmpbuf)==-1) {
 532                 ms_warning("%s does not exist",tmpbuf);
 533                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 534         }
 535         if (strstr(tmpbuf,".wav")==NULL){
 536                 /* it currently uses old sound files, so replace them */
 537                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 538         }
 539         linphone_core_set_ring(lc,tmpbuf);
 540
 541         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 542         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 543         if (ortp_file_exist(tmpbuf)==-1){
 544                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 545         }
 546         if (strstr(tmpbuf,".wav")==NULL){
 547                 /* it currently uses old sound files, so replace them */
 548                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 549         }
 550         linphone_core_set_ringback(lc,tmpbuf);
 551
 552         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 553         check_sound_device(lc);
 554         lc->sound_conf.latency=0;
 555 #ifndef __ios
 556         tmp=TRUE;
 557 #else
 558         tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 559 #endif
 560         tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 561         linphone_core_enable_echo_cancellation(lc,tmp);
 562         linphone_core_enable_echo_limiter(lc,
 563                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 564         linphone_core_enable_agc(lc,
 565                 lp_config_get_int(lc->config,"sound","agc",0));
 566
 567         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 568         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 569
 570         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 571
 572         /*just parse requested stream feature once at start to print out eventual errors*/
 573         linphone_core_get_audio_features(lc);
 574 }
 575
 576 static void sip_config_read(LinphoneCore *lc)
 577 {
 578         char *contact;
 579         const char *tmpstr;
 580         LCSipTransports tr;
 581         int i,tmp;
 582         int ipv6;
 583         int random_port;
 584
 585         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 586         linphone_core_set_use_info_for_dtmf(lc,tmp);
 587
 588         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 589                 sal_use_session_timers(lc->sal,200);
 590         }
 591
 592         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 593         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 594         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 595         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 596
 597         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 598         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 599
 600         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 601         if (ipv6==-1){
 602                 ipv6=0;
 603         }
 604         linphone_core_enable_ipv6(lc,ipv6);
 605         memset(&tr,0,sizeof(tr));
 606
 607         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 608         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 609         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 610
 611         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 612                 random_port=(0xDFFF&random())+1024;
 613         else random_port=0;
 614
 615         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 616                 tr.udp_port=5060;
 617         }
 618
 619         if (tr.udp_port>0 && random_port){
 620                 tr.udp_port=random_port;
 621                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 622         }else if (tr.tcp_port>0 && random_port){
 623                 tr.tcp_port=random_port;
 624                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 625         }else if (tr.tls_port>0 && random_port){
 626                 tr.tls_port=random_port;
 627                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 628         }
 629
 630 #ifdef __linux
 631         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 632 #else
 633         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 634 #endif
 635         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 636         linphone_core_verify_server_cn(lc,lp_config_get_int(lc->config,"sip","verify_server_cn",TRUE));
 637         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 638         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 639         /*start listening on ports*/
 640         linphone_core_set_sip_transports(lc,&tr);
 641
 642         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 643         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 644                 const char *hostname=NULL;
 645                 const char *username=NULL;
 646 #ifdef HAVE_GETENV
 647                 hostname=getenv("HOST");
 648                 username=getenv("USER");
 649                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 650 #endif /*HAVE_GETENV*/
 651                 if (hostname==NULL)
 652                         hostname="unknown-host";
 653                 if (username==NULL){
 654                         username="toto";
 655                 }
 656                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 657                 linphone_core_set_primary_contact(lc,contact);
 658                 ms_free(contact);
 659         }
 660
 661         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 662         linphone_core_set_guess_hostname(lc,tmp);
 663
 664
 665         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 666         linphone_core_set_inc_timeout(lc,tmp);
 667
 668         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 669         linphone_core_set_in_call_timeout(lc,tmp);
 670
 671         tmp=lp_config_get_int(lc->config,"sip","delayed_timeout",4);
 672         linphone_core_set_delayed_timeout(lc,tmp);
 673
 674         /* get proxies config */
 675         for(i=0;; i++){
 676                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 677                 if (cfg!=NULL){
 678                         linphone_core_add_proxy_config(lc,cfg);
 679                 }else{
 680                         break;
 681                 }
 682         }
 683         /* get the default proxy */
 684         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 685         linphone_core_set_default_proxy_index(lc,tmp);
 686
 687         /* read authentication information */
 688         for(i=0;; i++){
 689                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 690                 if (ai!=NULL){
 691                         linphone_core_add_auth_info(lc,ai);
 692                         linphone_auth_info_destroy(ai);
 693                 }else{
 694                         break;
 695                 }
 696         }
 697         /*this is to filter out unsupported encryption schemes*/
 698         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 699
 700         /*for tuning or test*/
 701         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 702         lc->sip_conf.register_only_when_network_is_up=
 703                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 704         lc->sip_conf.register_only_when_upnp_is_ok=
 705                 lp_config_get_int(lc->config,"sip","register_only_when_upnp_is_ok",1);
 706         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 707         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 708         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 709         lc->sip_conf.tcp_tls_keepalive=lp_config_get_int(lc->config,"sip","tcp_tls_keepalive",0);
 710         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
 711         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 712         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 713         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 714 }
 715
 716 static void rtp_config_read(LinphoneCore *lc)
 717 {
 718         int min_port, max_port;
 719         int jitt_comp;
 720         int nortp_timeout;
 721         bool_t rtp_no_xmit_on_audio_mute;
 722         bool_t adaptive_jitt_comp_enabled;
 723
 724         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 725                 if (min_port <= 0) min_port = 1;
 726                 if (max_port > 65535) max_port = 65535;
 727                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 728         } else {
 729                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 730                 linphone_core_set_audio_port(lc, min_port);
 731         }
 732
 733         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 734                 if (min_port <= 0) min_port = 1;
 735                 if (max_port > 65535) max_port = 65535;
 736                 linphone_core_set_video_port_range(lc, min_port, max_port);
 737         } else {
 738                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 739                 linphone_core_set_video_port(lc, min_port);
 740         }
 741
 742         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 743         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 744         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 745         if (jitt_comp==0) jitt_comp=60;
 746         linphone_core_set_video_jittcomp(lc,jitt_comp);
 747         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 748         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 749         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 750         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 751         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 752         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 753         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 754         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 755         lc->rtp_conf.disable_upnp = lp_config_get_int(lc->config, "rtp", "disable_upnp", FALSE);
 756 }
 757
 758 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 759         PayloadType *candidate=NULL;
 760         int i;
 761         PayloadType *it;
 762         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 763                 it=rtp_profile_get_payload(prof,i);
 764                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 765                         && (clock_rate==it->clock_rate || clock_rate<=0)
 766                         && (channels==it->channels || channels<=0) ){
 767                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 768                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 769                                 /*exact match*/
 770                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 771                                 return it;
 772                         }else {
 773                                 if (candidate){
 774                                         if (it->recv_fmtp==NULL) candidate=it;
 775                                 }else candidate=it;
 776                         }
 777                 }
 778         }
 779         if (candidate && recv_fmtp){
 780                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 781         }
 782         return candidate;
 783 }
 784
 785 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 786         char codeckey[50];
 787         const char *mime,*fmtp;
 788         int rate,channels,enabled;
 789         PayloadType *pt;
 790         LpConfig *config=lc->config;
 791
 792         *ret=NULL;
 793         snprintf(codeckey,50,"%s_%i",type,index);
 794         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 795         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 796
 797         rate=lp_config_get_int(config,codeckey,"rate",8000);
 798         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 799         channels=lp_config_get_int(config,codeckey,"channels",0);
 800         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 801         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 802         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 803         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 804         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 805                         mime,rate,fmtp ? fmtp : "");
 806         *ret=pt;
 807         return TRUE;
 808 }
 809
 810 #define RANK_END 10000
 811
 812 typedef struct codec_desc{
 813         const char *name;
 814         int rate;
 815 }codec_desc_t;
 816
 817 static codec_desc_t codec_pref_order[]={
 818         {"SILK", 16000},
 819         {"speex", 16000},
 820         {"speex", 8000},
 821         {"pcmu",8000},
 822         {"pcma",8000},
 823         {"VP8",90000},
 824         {"H264",90000},
 825         {"MP4V-ES",90000},
 826         {NULL,0}
 827 };
 828
 829 static int find_codec_rank(const char *mime, int clock_rate){
 830         int i;
 831         for(i=0;codec_pref_order[i].name!=NULL;++i){
 832                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 833                         return i;
 834         }
 835         return RANK_END;
 836 }
 837
 838 static int codec_compare(const PayloadType *a, const PayloadType *b){
 839         int ra,rb;
 840         ra=find_codec_rank(a->mime_type,a->clock_rate);
 841         rb=find_codec_rank(b->mime_type,b->clock_rate);
 842         if (ra>rb) return 1;
 843         if (ra<rb) return -1;
 844         return 0;
 845 }
 846
 847 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 848         int i;
 849         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 850                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 851                 if (pt){
 852                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 853                                 pt=NULL;
 854                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 855                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 856                                 pt=NULL;
 857                         }
 858                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 859                                 if (ms_list_find(l,pt)==NULL){
 860                                         /*unranked codecs are disabled by default*/
 861                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 862                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 863                                         }
 864                                         ms_message("Adding new codec %s/%i with fmtp %s",
 865                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 866                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 867                                 }
 868                         }
 869                 }
 870         }
 871         return l;
 872 }
 873
 874 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 875         MSList *elem;
 876         for (elem=l;elem!=NULL;elem=elem->next){
 877                 PayloadType *ept=(PayloadType*)elem->data;
 878                 if (pt==ept)
 879                         return l;
 880         }
 881         l=ms_list_append(l,pt);
 882         return l;
 883 }
 884
 885 static void codecs_config_read(LinphoneCore *lc)
 886 {
 887         int i;
 888         PayloadType *pt;
 889         MSList *audio_codecs=NULL;
 890         MSList *video_codecs=NULL;
 891         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 892                 if (pt){
 893                         if (!ms_filter_codec_supported(pt->mime_type)){
 894                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 895                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 896                 }
 897         }
 898         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
 899         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 900                 if (pt){
 901                         if (!ms_filter_codec_supported(pt->mime_type)){
 902                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 903                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 904                 }
 905         }
 906         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 907         linphone_core_set_audio_codecs(lc,audio_codecs);
 908         linphone_core_set_video_codecs(lc,video_codecs);
 909         linphone_core_update_allocated_audio_bandwidth(lc);
 910 }
 911
 912 static void build_video_devices_table(LinphoneCore *lc){
 913         const MSList *elem;
 914         int i;
 915         int ndev;
 916         const char **devices;
 917         if (lc->video_conf.cams)
 918                 ms_free(lc->video_conf.cams);
 919         /* retrieve all video devices */
 920         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 921         ndev=ms_list_size(elem);
 922         devices=ms_malloc((ndev+1)*sizeof(const char *));
 923         for (i=0;elem!=NULL;elem=elem->next,i++){
 924                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 925         }
 926         devices[ndev]=NULL;
 927         lc->video_conf.cams=devices;
 928 }
 929
 930 static void video_config_read(LinphoneCore *lc){
 931 #ifdef VIDEO_ENABLED
 932         int capture, display, self_view;
 933 #endif
 934         const char *str;
 935 #ifdef VIDEO_ENABLED
 936         LinphoneVideoPolicy vpol;
 937         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 938 #endif
 939         build_video_devices_table(lc);
 940
 941         str=lp_config_get_string(lc->config,"video","device",NULL);
 942         if (str && str[0]==0) str=NULL;
 943         linphone_core_set_video_device(lc,str);
 944
 945         linphone_core_set_preferred_video_size_by_name(lc,
 946                 lp_config_get_string(lc->config,"video","size","cif"));
 947
 948 #ifdef VIDEO_ENABLED
 949         capture=lp_config_get_int(lc->config,"video","capture",1);
 950         display=lp_config_get_int(lc->config,"video","display",1);
 951         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 952         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 953         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 954         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 955         if(lc->video_conf.displaytype)
 956                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 957
 958         linphone_core_enable_video(lc,capture,display);
 959         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 960         linphone_core_enable_self_view(lc,self_view);
 961         linphone_core_set_video_policy(lc,&vpol);
 962 #endif
 963 }
 964
 965 static void ui_config_read(LinphoneCore *lc)
 966 {
 967         LinphoneFriend *lf;
 968         int i;
 969         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 970                 linphone_core_add_friend(lc,lf);
 971         }
 972         call_logs_read_from_config_file(lc);
 973 }
 974
 975 /*
 976 static void autoreplier_config_init(LinphoneCore *lc)
 977 {
 978         autoreplier_config_t *config=&lc->autoreplier_conf;
 979         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 980         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 981         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 982         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 983         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 984         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 985 }
 986 */
 987
 988 bool_t linphone_core_tunnel_available(void){
 989 #ifdef TUNNEL_ENABLED
 990         return TRUE;
 991 #else
 992         return FALSE;
 993 #endif
 994 }
 995
 996 /**
 997  * Enable adaptive rate control.
 998  *
 999  * @ingroup media_parameters
1000  *
1001  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
1002  * control the output bitrate of the audio and video encoders, so that we can adapt to the network conditions and
1003  * available bandwidth. Control of the audio encoder is done in case of audio-only call, and control of the video encoder is done for audio & video calls.
1004  * Adaptive rate control feature is enabled by default.
1005 **/
1006 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
1007         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
1008 }
1009
1010 /**
1011  * Returns whether adaptive rate control is enabled.
1012  *
1013  * @ingroup media_parameters
1014  *
1015  * See linphone_core_enable_adaptive_rate_control().
1016 **/
1017 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
1018         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
1019 }
1020
1021 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
1022         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
1023 }
1024
1025 /**
1026  * Sets maximum available download bandwidth
1027  *
1028  * @ingroup media_parameters
1029  *
1030  * This is IP bandwidth, in kbit/s.
1031  * This information is used signaled to other parties during
1032  * calls (within SDP messages) so that the remote end can have
1033  * sufficient knowledge to properly configure its audio & video
1034  * codec output bitrate to not overflow available bandwidth.
1035  *
1036  * @param lc the LinphoneCore object
1037  * @param bw the bandwidth in kbits/s, 0 for infinite
1038  */
1039 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
1040         lc->net_conf.download_bw=bw;
1041         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
1042 }
1043
1044 /**
1045  * Sets maximum available upload bandwidth
1046  *
1047  * @ingroup media_parameters
1048  *
1049  * This is IP bandwidth, in kbit/s.
1050  * This information is used by liblinphone together with remote
1051  * side available bandwidth signaled in SDP messages to properly
1052  * configure audio & video codec's output bitrate.
1053  *
1054  * @param lc the LinphoneCore object
1055  * @param bw the bandwidth in kbits/s, 0 for infinite
1056  */
1057 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
1058         lc->net_conf.upload_bw=bw;
1059         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
1060 }
1061
1062 /**
1063  * Retrieve the maximum available download bandwidth.
1064  *
1065  * @ingroup media_parameters
1066  *
1067  * This value was set by linphone_core_set_download_bandwidth().
1068  *
1069 **/
1070 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
1071         return lc->net_conf.download_bw;
1072 }
1073
1074 /**
1075  * Retrieve the maximum available upload bandwidth.
1076  *
1077  * @ingroup media_parameters
1078  *
1079  * This value was set by linphone_core_set_upload_bandwidth().
1080  *
1081 **/
1082 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1083         return lc->net_conf.upload_bw;
1084 }
1085 /**
1086  * Set audio packetization time linphone expects to receive from peer.
1087  * A value of zero means that ptime is not specified.
1088  * @ingroup media_parameters
1089  */
1090 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1091         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1092 }
1093
1094 /**
1095  * Get audio packetization time linphone expects to receive from peer.
1096  * A value of zero means that ptime is not specified.
1097  * @ingroup media_parameters
1098  */
1099 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1100         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1101 }
1102
1103 /**
1104  * Set audio packetization time linphone will send (in absence of requirement from peer)
1105  * A value of 0 stands for the current codec default packetization time.
1106  *
1107  * @ingroup media_parameters
1108 **/
1109 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1110         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1111 }
1112
1113 /**
1114  * Set audio packetization time linphone will send (in absence of requirement from peer)
1115  * A value of 0 stands for the current codec default packetization time.
1116  *
1117  *
1118  * @ingroup media_parameters
1119 **/
1120 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1121         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1122 }
1123
1124
1125
1126 /**
1127  * Returns liblinphone's version as a string.
1128  *
1129  * @ingroup misc
1130  *
1131 **/
1132 const char * linphone_core_get_version(void){
1133         return liblinphone_version;
1134 }
1135
1136 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1137         PayloadType *pt;
1138         pt=payload_type_clone(const_pt);
1139         if (number==-1){
1140                 /*look for a free number */
1141                 MSList *elem;
1142                 int i;
1143                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1144                         bool_t already_assigned=FALSE;
1145                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1146                                 PayloadType *it=(PayloadType*)elem->data;
1147                                 if (payload_type_get_number(it)==i){
1148                                         already_assigned=TRUE;
1149                                         break;
1150                                 }
1151                         }
1152                         if (!already_assigned){
1153                                 number=i;
1154                                 lc->dyn_pt=i+1;
1155                                 break;
1156                         }
1157                 }
1158                 if (number==-1){
1159                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1160                 }
1161         }
1162         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1163         payload_type_set_number(pt,number);
1164         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1165         rtp_profile_set_payload(lc->default_profile,number,pt);
1166         lc->payload_types=ms_list_append(lc->payload_types,pt);
1167 }
1168
1169 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1170         RtpProfile *prof=&av_profile;
1171         int i;
1172         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1173                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1174                 if (pt){
1175                         if (payload_type_get_number(pt)!=i){
1176                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1177                         }
1178                 }
1179         }
1180 }
1181
1182 static void linphone_core_free_payload_types(LinphoneCore *lc){
1183         rtp_profile_clear_all(lc->default_profile);
1184         rtp_profile_destroy(lc->default_profile);
1185         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1186         ms_list_free(lc->payload_types);
1187         lc->payload_types=NULL;
1188 }
1189
1190 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1191         lc->state=gstate;
1192         if (lc->vtable.global_state_changed){
1193                 lc->vtable.global_state_changed(lc,gstate,message);
1194         }
1195 }
1196 static void misc_config_read (LinphoneCore *lc) {
1197         LpConfig *config=lc->config;
1198     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1199     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1200 }
1201
1202
1203
1204
1205 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1206     const char *factory_config_path, void * userdata)
1207 {
1208         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1209         memset (lc, 0, sizeof (LinphoneCore));
1210         lc->data=userdata;
1211         lc->ringstream_autorelease=TRUE;
1212
1213         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1214
1215         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1216         ortp_init();
1217         lc->dyn_pt=96;
1218         lc->default_profile=rtp_profile_new("default profile");
1219         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1220         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1221         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1222         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1223         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1224         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1225         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1226         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1227
1228 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1229         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1230          - to workaround potential packet losses
1231          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1232          */
1233         _linphone_core_configure_resolver();
1234 #endif
1235
1236 #ifdef ENABLE_NONSTANDARD_GSM
1237         {
1238                 PayloadType *pt;
1239                 pt=payload_type_clone(&payload_type_gsm);
1240                 pt->clock_rate=11025;
1241                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1242                 pt->clock_rate=22050;
1243                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1244                 payload_type_destroy(pt);
1245         }
1246 #endif
1247
1248 #ifdef VIDEO_ENABLED
1249         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1250         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1251         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1252         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1253         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1254         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1255         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1256         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1257         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1258 #endif
1259
1260         /*add all payload type for which we don't care about the number */
1261         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1262         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1263         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1264         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1265         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1266         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1267         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1268         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1269         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1270         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1271         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1272         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1273         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1274         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1275         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1276         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1277         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1278         linphone_core_handle_static_payloads(lc);
1279
1280         ms_init();
1281         /* create a mediastreamer2 event queue and set it as global */
1282         /* This allows to run event's callback in linphone_core_iterate() */
1283         lc->msevq=ms_event_queue_new();
1284         ms_set_global_event_queue(lc->msevq);
1285
1286         lc->config=lp_config_new(config_path);
1287         if (factory_config_path)
1288                 lp_config_read_file(lc->config,factory_config_path);
1289
1290         lc->sal=sal_init();
1291         sal_set_user_pointer(lc->sal,lc);
1292         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1293
1294         lc->network_last_check = 0;
1295         lc->network_last_status = FALSE;
1296
1297         sip_setup_register_all();
1298         sound_config_read(lc);
1299         net_config_read(lc);
1300         rtp_config_read(lc);
1301         codecs_config_read(lc);
1302         sip_config_read(lc); /* this will start eXosip*/
1303         video_config_read(lc);
1304         //autoreplier_config_init(&lc->autoreplier_conf);
1305         lc->presence_mode=LinphoneStatusOnline;
1306         misc_config_read(lc);
1307         ui_config_read(lc);
1308 #ifdef TUNNEL_ENABLED
1309         lc->tunnel=linphone_core_tunnel_new(lc);
1310         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1311 #endif
1312         if (lc->vtable.display_status)
1313                 lc->vtable.display_status(lc,_("Ready"));
1314         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1315         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1316 }
1317
1318 /**
1319  * Instanciates a LinphoneCore object.
1320  * @ingroup initializing
1321  *
1322  * The LinphoneCore object is the primary handle for doing all phone actions.
1323  * It should be unique within your application.
1324  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1325  * @param config_path a path to a config file. If it does not exists it will be created.
1326  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1327  *             become persistent over the life of the LinphoneCore object.
1328  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1329  * @param factory_config_path a path to a read-only config file that can be used to
1330  *        to store hard-coded preference such as proxy settings or internal preferences.
1331  *        The settings in this factory file always override the one in the normal config file.
1332  *        It is OPTIONAL, use NULL if unneeded.
1333  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1334  *        callbacks) using linphone_core_get_user_data().
1335  *
1336 **/
1337 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1338                                                 const char *config_path, const char *factory_config_path, void * userdata)
1339 {
1340         LinphoneCore *core=ms_new(LinphoneCore,1);
1341         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1342         return core;
1343 }
1344
1345 /**
1346  * Returns the list of available audio codecs.
1347  *
1348  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1349  * structure holding the codec information.
1350  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1351  * (such as the order of codecs).
1352  * @ingroup media_parameters
1353 **/
1354 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1355 {
1356         return lc->codecs_conf.audio_codecs;
1357 }
1358
1359 /**
1360  * Returns the list of available video codecs.
1361  *
1362  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1363  * structure holding the codec information.
1364  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1365  * (such as the order of codecs).
1366  * @ingroup media_parameters
1367 **/
1368 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1369 {
1370         return lc->codecs_conf.video_codecs;
1371 }
1372
1373 /**
1374  * Sets the local "from" identity.
1375  *
1376  * @ingroup proxies
1377  * This data is used in absence of any proxy configuration or when no
1378  * default proxy configuration is set. See LinphoneProxyConfig
1379 **/
1380 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1381 {
1382         LinphoneAddress *ctt;
1383
1384         if ((ctt=linphone_address_new(contact))==0) {
1385                 ms_error("Bad contact url: %s",contact);
1386                 return -1;
1387         }
1388         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1389         lc->sip_conf.contact=ms_strdup(contact);
1390         if (lc->sip_conf.guessed_contact!=NULL){
1391                 ms_free(lc->sip_conf.guessed_contact);
1392                 lc->sip_conf.guessed_contact=NULL;
1393         }
1394         linphone_address_destroy(ctt);
1395         return 0;
1396 }
1397
1398
1399 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1400 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1401         const char *ip;
1402         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1403             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1404                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1405                 return;
1406         }
1407 #ifdef BUILD_UPNP
1408         else if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
1409                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
1410                 ip = linphone_upnp_context_get_external_ipaddress(lc->upnp);
1411                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1412                 return;
1413         }
1414 #endif //BUILD_UPNP
1415         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1416                 return;
1417         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1418         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1419 }
1420
1421 static void update_primary_contact(LinphoneCore *lc){
1422         char *guessed=NULL;
1423         char tmp[LINPHONE_IPADDR_SIZE];
1424
1425         LinphoneAddress *url;
1426         if (lc->sip_conf.guessed_contact!=NULL){
1427                 ms_free(lc->sip_conf.guessed_contact);
1428                 lc->sip_conf.guessed_contact=NULL;
1429         }
1430         url=linphone_address_new(lc->sip_conf.contact);
1431         if (!url){
1432                 ms_error("Could not parse identity contact !");
1433                 url=linphone_address_new("sip:unknown@unkwownhost");
1434         }
1435         linphone_core_get_local_ip(lc, NULL, tmp);
1436         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1437                 ms_warning("Local loopback network only !");
1438                 lc->sip_conf.loopback_only=TRUE;
1439         }else lc->sip_conf.loopback_only=FALSE;
1440         linphone_address_set_domain(url,tmp);
1441         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1442         guessed=linphone_address_as_string(url);
1443         lc->sip_conf.guessed_contact=guessed;
1444         linphone_address_destroy(url);
1445 }
1446
1447 /**
1448  * Returns the default identity when no proxy configuration is used.
1449  *
1450  * @ingroup proxies
1451 **/
1452 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1453         char *identity;
1454
1455         if (lc->sip_conf.guess_hostname){
1456                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1457                         update_primary_contact(lc);
1458                 }
1459                 identity=lc->sip_conf.guessed_contact;
1460         }else{
1461                 identity=lc->sip_conf.contact;
1462         }
1463         return identity;
1464 }
1465
1466 /**
1467  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1468  *
1469  * @ingroup proxies
1470 **/
1471 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1472         lc->sip_conf.guess_hostname=val;
1473 }
1474
1475 /**
1476  * Returns TRUE if hostname part of primary contact is guessed automatically.
1477  *
1478  * @ingroup proxies
1479 **/
1480 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1481         return lc->sip_conf.guess_hostname;
1482 }
1483
1484 /**
1485  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1486  * instead of const char*
1487  *
1488  * @ingroup proxies
1489 **/
1490 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1491         return linphone_address_new(linphone_core_get_primary_contact(lc));
1492 }
1493
1494 /**
1495  * Sets the list of audio codecs.
1496  *
1497  * @ingroup media_parameters
1498  * The list is taken by the LinphoneCore thus the application should not free it.
1499  * This list is made of struct PayloadType describing the codec parameters.
1500 **/
1501 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1502 {
1503         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1504         lc->codecs_conf.audio_codecs=codecs;
1505         _linphone_core_codec_config_write(lc);
1506         return 0;
1507 }
1508
1509 /**
1510  * Sets the list of video codecs.
1511  *
1512  * @ingroup media_parameters
1513  * The list is taken by the LinphoneCore thus the application should not free it.
1514  * This list is made of struct PayloadType describing the codec parameters.
1515 **/
1516 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1517 {
1518         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1519         lc->codecs_conf.video_codecs=codecs;
1520         _linphone_core_codec_config_write(lc);
1521         return 0;
1522 }
1523
1524 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1525 {
1526         return lc->friends;
1527 }
1528
1529 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1530 {
1531         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1532 }
1533
1534 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1535 {
1536         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1537 }
1538
1539 /**
1540  * Returns the nominal audio jitter buffer size in milliseconds.
1541  *
1542  * @ingroup media_parameters
1543 **/
1544 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1545 {
1546         return lc->rtp_conf.audio_jitt_comp;
1547 }
1548
1549 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1550 {
1551         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1552 }
1553
1554 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1555 {
1556         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1557 }
1558
1559 /**
1560  * Returns the nominal video jitter buffer size in milliseconds.
1561  *
1562  * @ingroup media_parameters
1563 **/
1564 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1565 {
1566         return lc->rtp_conf.video_jitt_comp;
1567 }
1568
1569 /**
1570  * Returns the UDP port used for audio streaming.
1571  *
1572  * @ingroup network_parameters
1573 **/
1574 int linphone_core_get_audio_port(const LinphoneCore *lc)
1575 {
1576         return lc->rtp_conf.audio_rtp_min_port;
1577 }
1578
1579 /**
1580  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1581  *
1582  * @ingroup network_parameters
1583  */
1584 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1585 {
1586         *min_port = lc->rtp_conf.audio_rtp_min_port;
1587         *max_port = lc->rtp_conf.audio_rtp_max_port;
1588 }
1589
1590 /**
1591  * Returns the UDP port used for video streaming.
1592  *
1593  * @ingroup network_parameters
1594 **/
1595 int linphone_core_get_video_port(const LinphoneCore *lc){
1596         return lc->rtp_conf.video_rtp_min_port;
1597 }
1598
1599 /**
1600  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1601  *
1602  * @ingroup network_parameters
1603  */
1604 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1605 {
1606         *min_port = lc->rtp_conf.video_rtp_min_port;
1607         *max_port = lc->rtp_conf.video_rtp_max_port;
1608 }
1609
1610
1611 /**
1612  * Returns the value in seconds of the no-rtp timeout.
1613  *
1614  * @ingroup media_parameters
1615  * When no RTP or RTCP packets have been received for a while
1616  * LinphoneCore will consider the call is broken (remote end crashed or
1617  * disconnected from the network), and thus will terminate the call.
1618  * The no-rtp timeout is the duration above which the call is considered broken.
1619 **/
1620 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1621         return lc->rtp_conf.nortp_timeout;
1622 }
1623
1624 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1625         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1626 }
1627
1628 /**
1629  * Sets the nominal audio jitter buffer size in milliseconds.
1630  *
1631  * @ingroup media_parameters
1632 **/
1633 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1634 {
1635         lc->rtp_conf.audio_jitt_comp=value;
1636 }
1637
1638 /**
1639  * Sets the nominal video jitter buffer size in milliseconds.
1640  *
1641  * @ingroup media_parameters
1642 **/
1643 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1644 {
1645         lc->rtp_conf.video_jitt_comp=value;
1646 }
1647
1648 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1649         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1650 }
1651
1652 /**
1653  * Sets the UDP port used for audio streaming.
1654  *
1655  * @ingroup network_parameters
1656 **/
1657 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1658 {
1659         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1660 }
1661
1662 /**
1663  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1664  * @ingroup media_parameters
1665  */
1666 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1667 {
1668         lc->rtp_conf.audio_rtp_min_port=min_port;
1669         lc->rtp_conf.audio_rtp_max_port=max_port;
1670 }
1671
1672 /**
1673  * Sets the UDP port used for video streaming.
1674  *
1675  * @ingroup network_parameters
1676 **/
1677 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1678         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1679 }
1680
1681 /**
1682  * Sets the UDP port range from which to randomly select the port used for video streaming.
1683  * @ingroup media_parameters
1684  */
1685 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1686 {
1687         lc->rtp_conf.video_rtp_min_port=min_port;
1688         lc->rtp_conf.video_rtp_max_port=max_port;
1689 }
1690
1691 /**
1692  * Sets the no-rtp timeout value in seconds.
1693  *
1694  * @ingroup media_parameters
1695  * See linphone_core_get_nortp_timeout() for details.
1696 **/
1697 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1698         lc->rtp_conf.nortp_timeout=nortp_timeout;
1699 }
1700
1701 /**
1702  * Indicates whether SIP INFO is used for sending digits.
1703  *
1704  * @ingroup media_parameters
1705 **/
1706 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1707 {
1708         return lc->sip_conf.use_info;
1709 }
1710
1711 /**
1712  * Sets whether SIP INFO is to be used for sending digits.
1713  *
1714  * @ingroup media_parameters
1715 **/
1716 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1717 {
1718         lc->sip_conf.use_info=use_info;
1719 }
1720
1721 /**
1722  * Indicates whether RFC2833 is used for sending digits.
1723  *
1724  * @ingroup media_parameters
1725 **/
1726 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1727 {
1728         return lc->sip_conf.use_rfc2833;
1729 }
1730
1731 /**
1732  * Sets whether RFC2833 is to be used for sending digits.
1733  *
1734  * @ingroup media_parameters
1735 **/
1736 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1737 {
1738         lc->sip_conf.use_rfc2833=use_rfc2833;
1739 }
1740
1741 /**
1742  * Returns the UDP port used by SIP.
1743  *
1744  * Deprecated: use linphone_core_get_sip_transports() instead.
1745  * @ingroup network_parameters
1746 **/
1747 int linphone_core_get_sip_port(LinphoneCore *lc)
1748 {
1749         LCSipTransports *tr=&lc->sip_conf.transports;
1750         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1751 }
1752
1753 static char _ua_name[64]="Linphone";
1754 static char _ua_version[64]=LINPHONE_VERSION;
1755
1756 #ifdef HAVE_EXOSIP_GET_VERSION
1757 extern const char *eXosip_get_version();
1758 #endif
1759
1760 static void apply_user_agent(LinphoneCore *lc){
1761         char ua_string[256];
1762         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1763 #ifdef HAVE_EXOSIP_GET_VERSION
1764                  eXosip_get_version()
1765 #else
1766                  "unknown"
1767 #endif
1768         );
1769         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1770 }
1771
1772 /**
1773  * Sets the user agent string used in SIP messages.
1774  *
1775  * @ingroup misc
1776 **/
1777 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1778         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1779         strncpy(_ua_version,ver,sizeof(_ua_version));
1780         apply_user_agent(lc);
1781 }
1782
1783 const char *linphone_core_get_user_agent_name(void){
1784         return _ua_name;
1785 }
1786
1787 const char *linphone_core_get_user_agent_version(void){
1788         return _ua_version;
1789 }
1790
1791 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1792         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1793         ms_warning("%s",msg);
1794         if (lc->vtable.display_warning)
1795                 lc->vtable.display_warning(lc,msg);
1796         ms_free(msg);
1797 }
1798
1799 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1800         return
1801                 tr2->udp_port==tr1->udp_port &&
1802                 tr2->tcp_port==tr1->tcp_port &&
1803                 tr2->dtls_port==tr1->dtls_port &&
1804                 tr2->tls_port==tr1->tls_port;
1805 }
1806
1807 static int apply_transports(LinphoneCore *lc){
1808         Sal *sal=lc->sal;
1809         const char *anyaddr;
1810         LCSipTransports *tr=&lc->sip_conf.transports;
1811
1812         /*first of all invalidate all current registrations so that we can register again with new transports*/
1813         __linphone_core_invalidate_registers(lc);
1814
1815         if (lc->sip_conf.ipv6_enabled)
1816                 anyaddr="::0";
1817         else
1818                 anyaddr="0.0.0.0";
1819
1820         sal_unlisten_ports(sal);
1821         if (tr->udp_port>0){
1822                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1823                         transport_error(lc,"udp",tr->udp_port);
1824                         return -1;
1825                 }
1826         }
1827         if (tr->tcp_port>0){
1828                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1829                         transport_error(lc,"tcp",tr->tcp_port);
1830                 }
1831         }
1832         if (tr->tls_port>0){
1833                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1834                         transport_error(lc,"tls",tr->tls_port);
1835                 }
1836         }
1837         apply_user_agent(lc);
1838         return 0;
1839 }
1840
1841 /**
1842  * Sets the ports to be used for each of transport (UDP or TCP)
1843  *
1844  * A zero value port for a given transport means the transport
1845  * is not used.
1846  *
1847  * @ingroup network_parameters
1848 **/
1849 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1850
1851         if (transports_unchanged(tr,&lc->sip_conf.transports))
1852                 return 0;
1853         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1854
1855         if (linphone_core_ready(lc)){
1856                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1857                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1858                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1859         }
1860
1861         if (lc->sal==NULL) return 0;
1862         return apply_transports(lc);
1863 }
1864
1865 /**
1866  * Retrieves the ports used for each transport (udp, tcp).
1867  * A zero value port for a given transport means the transport
1868  * is not used.
1869  * @ingroup network_parameters
1870 **/
1871 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1872         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1873         return 0;
1874 }
1875
1876 /**
1877  * Sets the UDP port to be used by SIP.
1878  *
1879  * Deprecated: use linphone_core_set_sip_transports() instead.
1880  * @ingroup network_parameters
1881 **/
1882 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1883 {
1884         LCSipTransports tr;
1885         memset(&tr,0,sizeof(tr));
1886         tr.udp_port=port;
1887         linphone_core_set_sip_transports (lc,&tr);
1888 }
1889
1890 /**
1891  * Returns TRUE if IPv6 is enabled.
1892  *
1893  * @ingroup network_parameters
1894  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1895 **/
1896 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1897         return lc->sip_conf.ipv6_enabled;
1898 }
1899
1900 /**
1901  * Turns IPv6 support on or off.
1902  *
1903  * @ingroup network_parameters
1904  *
1905  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1906  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1907  * By default IPv6 support is off.
1908 **/
1909 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1910         if (lc->sip_conf.ipv6_enabled!=val){
1911                 lc->sip_conf.ipv6_enabled=val;
1912                 if (lc->sal){
1913                         /* we need to restart eXosip */
1914                         apply_transports(lc);
1915                 }
1916         }
1917 }
1918
1919
1920 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1921         char result[LINPHONE_IPADDR_SIZE];
1922         bool_t new_status=lc->network_last_status;
1923
1924         /* only do the network up checking every five seconds */
1925         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1926                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1927                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1928                         new_status=TRUE;
1929                 }else new_status=FALSE;
1930                 lc->network_last_check=curtime;
1931                 if (new_status!=lc->network_last_status) {
1932                         if (new_status){
1933                                 ms_message("New local ip address is %s",result);
1934                         }
1935                         set_network_reachable(lc,new_status, curtime);
1936                         lc->network_last_status=new_status;
1937                 }
1938         }
1939 }
1940
1941 static void proxy_update(LinphoneCore *lc){
1942         MSList *elem,*next;
1943         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1944         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1945                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1946                 next=elem->next;
1947                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1948                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1949                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1950                         linphone_proxy_config_destroy(cfg);
1951                 }
1952         }
1953 }
1954
1955 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1956         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1957         if (lf!=NULL){
1958                 lf->info=info;
1959                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1960                 if (lc->vtable.buddy_info_updated)
1961                         lc->vtable.buddy_info_updated(lc,lf);
1962         }else{
1963                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1964         }
1965 }
1966
1967 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1968         MSList *elem;
1969         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1970         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1971                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1972                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1973                         if (req->results!=NULL){
1974                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1975                                 ms_list_free(req->results);
1976                                 req->results=NULL;
1977                                 assign_buddy_info(lc,i);
1978                         }
1979                         sip_setup_context_buddy_lookup_free(ctx,req);
1980                         elem->data=NULL;
1981                 }
1982         }
1983         /*purge completed requests */
1984         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1985                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1986         }
1987 }
1988
1989 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1990         const MSList *elem;
1991         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1992         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1993                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1994                 if (lf->info==NULL){
1995                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1996                                 if (linphone_address_get_username(lf->uri)!=NULL){
1997                                         BuddyLookupRequest *req;
1998                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1999                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
2000                                         buddy_lookup_request_set_key(req,tmp);
2001                                         buddy_lookup_request_set_max_results(req,1);
2002                                         sip_setup_context_buddy_lookup_submit(ctx,req);
2003                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
2004                                         ms_free(tmp);
2005                                 }
2006                         }
2007                 }
2008         }
2009 }
2010
2011 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
2012         LinphoneProxyConfig *cfg=NULL;
2013         linphone_core_get_default_proxy(lc,&cfg);
2014         if (cfg){
2015                 if (lc->bl_refresh){
2016                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2017                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
2018                                 linphone_core_grab_buddy_infos(lc,cfg);
2019                                 lc->bl_refresh=FALSE;
2020                         }
2021                 }
2022                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
2023         }
2024 }
2025
2026 /**
2027  * Main loop function. It is crucial that your application call it periodically.
2028  *
2029  * @ingroup initializing
2030  * linphone_core_iterate() performs various backgrounds tasks:
2031  * - receiving of SIP messages
2032  * - handles timers and timeout
2033  * - performs registration to proxies
2034  * - authentication retries
2035  * The application MUST call this function periodically, in its main loop.
2036  * Be careful that this function must be called from the same thread as
2037  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
2038  * serialized with a mutex.
2039 **/
2040 void linphone_core_iterate(LinphoneCore *lc){
2041         MSList *calls;
2042         LinphoneCall *call;
2043         time_t curtime=time(NULL);
2044         int elapsed;
2045         bool_t one_second_elapsed=FALSE;
2046
2047         if (curtime-lc->prevtime>=1){
2048                 lc->prevtime=curtime;
2049                 one_second_elapsed=TRUE;
2050         }
2051
2052         if (lc->ecc!=NULL){
2053                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
2054                 if (ecs!=LinphoneEcCalibratorInProgress){
2055                         if (lc->ecc->cb)
2056                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
2057                         if (ecs==LinphoneEcCalibratorDone){
2058                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
2059                                 int margin=len/2;
2060
2061                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-margin,0));
2062                         } else if (ecs == LinphoneEcCalibratorFailed) {
2063                                 lp_config_set_int(lc->config, "sound", "ec_delay", -1);/*use default value from soundcard*/
2064                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
2065                                 linphone_core_enable_echo_cancellation(lc, FALSE);
2066                         }
2067                         ec_calibrator_destroy(lc->ecc);
2068                         lc->ecc=NULL;
2069                 }
2070         }
2071
2072         if (lc->preview_finished){
2073                 lc->preview_finished=0;
2074                 ring_stop(lc->ringstream);
2075                 lc->ringstream=NULL;
2076                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
2077         }
2078
2079         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
2080             && (curtime-lc->dmfs_playing_start_time)>5){
2081                 ring_stop(lc->ringstream);
2082                 lc->ringstream=NULL;
2083                 lc->dmfs_playing_start_time=0;
2084         }
2085
2086         sal_iterate(lc->sal);
2087         if (lc->msevq) ms_event_queue_pump(lc->msevq);
2088         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
2089
2090         proxy_update(lc);
2091
2092         //we have to iterate for each call
2093         calls= lc->calls;
2094         while(calls!= NULL){
2095                 call = (LinphoneCall *)calls->data;
2096                 elapsed = curtime-call->start_time;
2097                  /* get immediately a reference to next one in case the one
2098                  we are going to examine is destroy and removed during
2099                  linphone_core_start_invite() */
2100                 calls=calls->next;
2101                 linphone_call_background_tasks(call,one_second_elapsed);
2102                 if (call->state==LinphoneCallOutgoingInit && (elapsed>=lc->sip_conf.delayed_timeout)){
2103                         /*start the call even if the OPTIONS reply did not arrive*/
2104                         if (call->ice_session != NULL) {
2105                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2106                                                 ,linphone_core_get_stun_server(lc));
2107                                 linphone_call_delete_ice_session(call);
2108                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2109                         }
2110 #ifdef BUILD_UPNP
2111                         if (call->upnp_session != NULL) {
2112                                 ms_warning("uPnP mapping has not finished yet, proceeded with the call without uPnP anyway.");
2113                                 linphone_call_delete_upnp_session(call);
2114                         }
2115 #endif //BUILD_UPNP
2116                         linphone_core_start_invite(lc,call);
2117                 }
2118                 if (call->state==LinphoneCallIncomingReceived){
2119                         ms_message("incoming call ringing for %i seconds",elapsed);
2120                         if (elapsed>lc->sip_conf.inc_timeout){
2121                                 LinphoneReason decline_reason;
2122                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2123                                 decline_reason=lc->current_call ? LinphoneReasonBusy : LinphoneReasonDeclined;
2124                                 call->log->status=LinphoneCallMissed;
2125                                 call->reason=LinphoneReasonNotAnswered;
2126                                 linphone_core_decline_call(lc,call,decline_reason);
2127                         }
2128                 }
2129                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2130                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2131                         linphone_core_terminate_call(lc,call);
2132                 }
2133         }
2134
2135         if (linphone_core_video_preview_enabled(lc)){
2136                 if (lc->previewstream==NULL && lc->calls==NULL)
2137                         toggle_video_preview(lc,TRUE);
2138 #ifdef VIDEO_ENABLED
2139                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2140 #endif
2141         }else{
2142                 if (lc->previewstream!=NULL)
2143                         toggle_video_preview(lc,FALSE);
2144         }
2145
2146         linphone_core_run_hooks(lc);
2147         linphone_core_do_plugin_tasks(lc);
2148
2149         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2150             (curtime-lc->netup_time)>3){
2151                 linphone_core_send_initial_subscribes(lc);
2152                 lc->initial_subscribes_sent=TRUE;
2153         }
2154
2155         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2156                 lp_config_sync(lc->config);
2157         }
2158 }
2159
2160 /**
2161  * Interpret a call destination as supplied by the user, and returns a fully qualified
2162  * LinphoneAddress.
2163  *
2164  * @ingroup call_control
2165  *
2166  * A sip address should look like DisplayName <sip:username@domain:port> .
2167  * Basically this function performs the following tasks
2168  * - if a phone number is entered, prepend country prefix of the default proxy
2169  *   configuration, eventually escape the '+' by 00.
2170  * - if no domain part is supplied, append the domain name of the default proxy
2171  * - if no sip: is present, prepend it
2172  *
2173  * The result is a syntaxically correct SIP address.
2174 **/
2175
2176 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2177         enum_lookup_res_t *enumres=NULL;
2178         char *enum_domain=NULL;
2179         LinphoneProxyConfig *proxy=lc->default_proxy;;
2180         char *tmpurl;
2181         LinphoneAddress *uri;
2182
2183         if (is_enum(url,&enum_domain)){
2184                 if (lc->vtable.display_status!=NULL)
2185                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2186                 if (enum_lookup(enum_domain,&enumres)<0){
2187                         if (lc->vtable.display_status!=NULL)
2188                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2189                         ms_free(enum_domain);
2190                         return NULL;
2191                 }
2192                 ms_free(enum_domain);
2193                 tmpurl=enumres->sip_address[0];
2194                 uri=linphone_address_new(tmpurl);
2195                 enum_lookup_res_free(enumres);
2196                 return uri;
2197         }
2198         /* check if we have a "sip:" */
2199         if (strstr(url,"sip:")==NULL){
2200                 /* this doesn't look like a true sip uri */
2201                 if (strchr(url,'@')!=NULL){
2202                         /* seems like sip: is missing !*/
2203                         tmpurl=ms_strdup_printf("sip:%s",url);
2204                         uri=linphone_address_new(tmpurl);
2205                         ms_free(tmpurl);
2206                         if (uri){
2207                                 return uri;
2208                         }
2209                 }
2210
2211                 if (proxy!=NULL){
2212                         /* append the proxy domain suffix */
2213                         const char *identity=linphone_proxy_config_get_identity(proxy);
2214                         char normalized_username[128];
2215                         uri=linphone_address_new(identity);
2216                         if (uri==NULL){
2217                                 return NULL;
2218                         }
2219                         linphone_address_set_display_name(uri,NULL);
2220                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2221                                                                 sizeof(normalized_username));
2222                         linphone_address_set_username(uri,normalized_username);
2223                         return uri;
2224                 }else return NULL;
2225         }
2226         uri=linphone_address_new(url);
2227         if (uri!=NULL){
2228                 return uri;
2229         }
2230         /* else we could not do anything with url given by user, so display an error */
2231         if (lc->vtable.display_warning!=NULL){
2232                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2233         }
2234         return NULL;
2235 }
2236
2237 /**
2238  * Returns the default identity SIP address.
2239  *
2240  * @ingroup proxies
2241  * This is an helper function:
2242  *
2243  * If no default proxy is set, this will return the primary contact (
2244  * see linphone_core_get_primary_contact() ). If a default proxy is set
2245  * it returns the registered identity on the proxy.
2246 **/
2247 const char * linphone_core_get_identity(LinphoneCore *lc){
2248         LinphoneProxyConfig *proxy=NULL;
2249         const char *from;
2250         linphone_core_get_default_proxy(lc,&proxy);
2251         if (proxy!=NULL) {
2252                 from=linphone_proxy_config_get_identity(proxy);
2253         }else from=linphone_core_get_primary_contact(lc);
2254         return from;
2255 }
2256
2257 const char * linphone_core_get_route(LinphoneCore *lc){
2258         LinphoneProxyConfig *proxy=NULL;
2259         const char *route=NULL;
2260         linphone_core_get_default_proxy(lc,&proxy);
2261         if (proxy!=NULL) {
2262                 route=linphone_proxy_config_get_route(proxy);
2263         }
2264         return route;
2265 }
2266
2267 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2268         if (call->refer_pending){
2269                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2270                 LinphoneCall *newcall;
2271                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2272                 cp->referer=call;
2273                 ms_message("Starting new call to refered address %s",call->refer_to);
2274                 call->refer_pending=FALSE;
2275                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2276                 linphone_call_params_destroy(cp);
2277                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2278         }
2279 }
2280
2281 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2282         if (referer->op!=NULL){
2283                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2284         }
2285 }
2286
2287 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2288         const MSList *elem;
2289         LinphoneProxyConfig *found_cfg=NULL;
2290         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2291
2292         /*always prefer the default proxy if it is matching the destination uri*/
2293         if (default_cfg){
2294                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2295                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2296                         return default_cfg;
2297         }
2298
2299         /*otherwise iterate through the other proxy config and return the first matching*/
2300         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2301                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2302                 const char *domain=linphone_proxy_config_get_domain(cfg);
2303                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2304                         found_cfg=cfg;
2305                         break;
2306                 }
2307         }
2308         return found_cfg;
2309 }
2310
2311 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2312         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2313         if (cfg==NULL)
2314                 linphone_core_get_default_proxy (lc,&cfg);
2315         if (cfg!=NULL){
2316                 if (route) *route=linphone_proxy_config_get_route(cfg);
2317                 return linphone_proxy_config_get_identity (cfg);
2318         }
2319         return linphone_core_get_primary_contact (lc);
2320 }
2321
2322 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2323         LinphoneAddress *ctt;
2324         const char *localip=call->localip;
2325
2326         /* first use user's supplied ip address if asked*/
2327         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2328                 ctt=linphone_core_get_primary_contact_parsed(lc);
2329                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2330                         linphone_core_get_nat_address_resolved(lc));
2331         }
2332
2333         /* if already choosed, don't change it */
2334         if (call->op && sal_op_get_contact(call->op)!=NULL){
2335                 return NULL;
2336         }
2337         /* if the ping OPTIONS request succeeded use the contact guessed from the
2338          received, rport*/
2339         if (call->ping_op){
2340                 const char *guessed=sal_op_get_contact(call->ping_op);
2341                 if (guessed){
2342                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2343                         return ms_strdup(guessed);
2344                 }
2345         }
2346
2347         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2348         if (dest_proxy && dest_proxy->op){
2349                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2350                 if (fixed_contact) {
2351                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2352                         return ms_strdup(fixed_contact);
2353                 }
2354         }
2355
2356         ctt=linphone_core_get_primary_contact_parsed(lc);
2357
2358         if (ctt!=NULL){
2359                 char *ret;
2360                 /*otherwise use supllied localip*/
2361                 linphone_address_set_domain(ctt,localip);
2362                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2363                 ret=linphone_address_as_string_uri_only(ctt);
2364                 linphone_address_destroy(ctt);
2365                 ms_message("Contact has been fixed using local ip to %s",ret);
2366                 return ret;
2367         }
2368         return NULL;
2369 }
2370
2371 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2372         bool_t ice_ready = FALSE;
2373         bool_t upnp_ready = FALSE;
2374         bool_t ping_ready = FALSE;
2375
2376         if (call->ice_session != NULL) {
2377                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2378         } else {
2379                 ice_ready = TRUE;
2380         }
2381 #ifdef BUILD_UPNP
2382         if (call->upnp_session != NULL) {
2383                 if (linphone_upnp_session_get_state(call->upnp_session) == LinphoneUpnpStateOk) upnp_ready = TRUE;
2384         } else {
2385                 upnp_ready = TRUE;
2386         }
2387 #else
2388         upnp_ready=TRUE;
2389 #endif //BUILD_UPNP
2390         if (call->ping_op != NULL) {
2391                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2392         } else {
2393                 ping_ready = TRUE;
2394         }
2395
2396         if ((ice_ready == TRUE) && (upnp_ready == TRUE) && (ping_ready == TRUE)) {
2397                 return linphone_core_start_invite(lc, call);
2398         }
2399         return 0;
2400 }
2401
2402 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2403         int err;
2404         char *contact;
2405         char *real_url,*barmsg;
2406         char *from;
2407         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2408
2409         /*try to be best-effort in giving real local or routable contact address */
2410         contact=get_fixed_contact(lc,call,dest_proxy);
2411         if (contact){
2412                 sal_op_set_contact(call->op, contact);
2413                 ms_free(contact);
2414         }
2415         linphone_core_stop_dtmf_stream(lc);
2416         linphone_call_init_media_streams(call);
2417         if (lc->ringstream==NULL)
2418                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2419         linphone_call_make_local_media_description(lc,call);
2420         if (!lc->sip_conf.sdp_200_ack){
2421                 call->media_pending=TRUE;
2422                 sal_call_set_local_media_description(call->op,call->localdesc);
2423         }
2424         real_url=linphone_address_as_string(call->log->to);
2425         from=linphone_address_as_string(call->log->from);
2426         err=sal_call(call->op,from,real_url);
2427         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2428
2429         if (lc->sip_conf.sdp_200_ack){
2430                 call->media_pending=TRUE;
2431                 sal_call_set_local_media_description(call->op,call->localdesc);
2432         }
2433         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2434         if (lc->vtable.display_status!=NULL)
2435                 lc->vtable.display_status(lc,barmsg);
2436         ms_free(barmsg);
2437
2438         if (err<0){
2439                 if (lc->vtable.display_status!=NULL)
2440                         lc->vtable.display_status(lc,_("Could not call"));
2441                 linphone_call_stop_media_streams(call);
2442                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2443         }else {
2444                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2445         }
2446         ms_free(real_url);
2447         ms_free(from);
2448         return err;
2449 }
2450
2451 /**
2452  * Initiates an outgoing call
2453  *
2454  * @ingroup call_control
2455  * @param lc the LinphoneCore object
2456  * @param url the destination of the call (sip address, or phone number).
2457  *
2458  * The application doesn't own a reference to the returned LinphoneCall object.
2459  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2460  *
2461  * @return a LinphoneCall object or NULL in case of failure
2462 **/
2463 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2464         LinphoneCall *call;
2465         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2466         p->has_video &= !!lc->video_policy.automatically_initiate;
2467         call=linphone_core_invite_with_params(lc,url,p);
2468         linphone_call_params_destroy(p);
2469         return call;
2470 }
2471
2472
2473 /**
2474  * Initiates an outgoing call according to supplied call parameters
2475  *
2476  * @ingroup call_control
2477  * @param lc the LinphoneCore object
2478  * @param url the destination of the call (sip address, or phone number).
2479  * @param p call parameters
2480  *
2481  * The application doesn't own a reference to the returned LinphoneCall object.
2482  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2483  *
2484  * @return a LinphoneCall object or NULL in case of failure
2485 **/
2486 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2487         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2488         if (addr){
2489                 LinphoneCall *call;
2490                 call=linphone_core_invite_address_with_params(lc,addr,p);
2491                 linphone_address_destroy(addr);
2492                 return call;
2493         }
2494         return NULL;
2495 }
2496
2497 /**
2498  * Initiates an outgoing call given a destination LinphoneAddress
2499  *
2500  * @ingroup call_control
2501  * @param lc the LinphoneCore object
2502  * @param addr the destination of the call (sip address).
2503  *
2504  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2505  * created by linphone_core_interpret_url().
2506  * The application doesn't own a reference to the returned LinphoneCall object.
2507  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2508  *
2509  * @return a LinphoneCall object or NULL in case of failure
2510 **/
2511 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2512         LinphoneCall *call;
2513         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2514         p->has_video &= !!lc->video_policy.automatically_initiate;
2515         call=linphone_core_invite_address_with_params (lc,addr,p);
2516         linphone_call_params_destroy(p);
2517         return call;
2518 }
2519
2520
2521 /**
2522  * Initiates an outgoing call given a destination LinphoneAddress
2523  *
2524  * @ingroup call_control
2525  * @param lc the LinphoneCore object
2526  * @param addr the destination of the call (sip address).
2527         @param params call parameters
2528  *
2529  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2530  * created by linphone_core_interpret_url().
2531  * The application doesn't own a reference to the returned LinphoneCall object.
2532  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2533  *
2534  * @return a LinphoneCall object or NULL in case of failure
2535 **/
2536 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2537 {
2538         const char *route=NULL;
2539         const char *from=NULL;
2540         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2541         LinphoneAddress *parsed_url2=NULL;
2542         char *real_url=NULL;
2543         LinphoneCall *call;
2544         bool_t defer = FALSE;
2545
2546         linphone_core_preempt_sound_resources(lc);
2547
2548         if(!linphone_core_can_we_add_call(lc)){
2549                 if (lc->vtable.display_warning)
2550                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2551                 return NULL;
2552         }
2553         linphone_core_get_default_proxy(lc,&proxy);
2554         route=linphone_core_get_route(lc);
2555
2556         real_url=linphone_address_as_string(addr);
2557         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2558
2559         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2560                 ms_message("Overriding default proxy setting for this call:");
2561                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2562         }
2563
2564         if (dest_proxy!=NULL)
2565                 from=linphone_proxy_config_get_identity(dest_proxy);
2566         else if (proxy!=NULL)
2567                 from=linphone_proxy_config_get_identity(proxy);
2568
2569         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2570         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2571
2572         parsed_url2=linphone_address_new(from);
2573
2574         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2575         call->dest_proxy=dest_proxy;
2576         sal_op_set_route(call->op,route);
2577
2578         if(linphone_core_add_call(lc,call)!= 0)
2579         {
2580                 ms_warning("we had a problem in adding the call into the invite ... weird");
2581                 linphone_call_unref(call);
2582                 return NULL;
2583         }
2584         /* this call becomes now the current one*/
2585         lc->current_call=call;
2586         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2587         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2588                 /* Defer the start of the call after the ICE gathering process. */
2589                 linphone_call_init_media_streams(call);
2590                 linphone_call_start_media_streams_for_ice_gathering(call);
2591                 call->start_time=time(NULL);
2592                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2593                         /* Ice candidates gathering failed, proceed with the call anyway. */
2594                         linphone_call_delete_ice_session(call);
2595                         linphone_call_stop_media_streams_for_ice_gathering(call);
2596                 } else {
2597                         defer = TRUE;
2598                 }
2599         }
2600         else if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseUpnp) {
2601 #ifdef BUILD_UPNP
2602                 linphone_call_init_media_streams(call);
2603                 call->start_time=time(NULL);
2604                 if (linphone_core_update_upnp(lc,call)<0) {
2605                         /* uPnP port mappings failed, proceed with the call anyway. */
2606                         linphone_call_delete_upnp_session(call);
2607                 } else {
2608                         defer = TRUE;
2609                 }
2610 #endif //BUILD_UPNP
2611         }
2612
2613         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2614 #ifdef BUILD_UPNP
2615                 if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
2616                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
2617 #else //BUILD_UPNP
2618                 {
2619 #endif //BUILD_UPNP
2620                         /*defer the start of the call after the OPTIONS ping*/
2621                         call->ping_replied=FALSE;
2622                         call->ping_op=sal_op_new(lc->sal);
2623                         sal_ping(call->ping_op,from,real_url);
2624                         sal_op_set_user_pointer(call->ping_op,call);
2625                         call->start_time=time(NULL);
2626                         defer = TRUE;
2627                 }
2628         }
2629
2630         if (defer==FALSE) linphone_core_start_invite(lc,call);
2631
2632         if (real_url!=NULL) ms_free(real_url);
2633         return call;
2634 }
2635
2636 /**
2637  * Performs a simple call transfer to the specified destination.
2638  *
2639  * @ingroup call_control
2640  * The remote endpoint is expected to issue a new call to the specified destination.
2641  * The current call remains active and thus can be later paused or terminated.
2642 **/
2643 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2644 {
2645         char *real_url=NULL;
2646         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2647
2648         if (!real_parsed_url){
2649                 /* bad url */
2650                 return -1;
2651         }
2652         if (call==NULL){
2653                 ms_warning("No established call to refer.");
2654                 return -1;
2655         }
2656         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2657         real_url=linphone_address_as_string (real_parsed_url);
2658         sal_call_refer(call->op,real_url);
2659         ms_free(real_url);
2660         linphone_address_destroy(real_parsed_url);
2661         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2662         return 0;
2663 }
2664
2665 /**
2666  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2667  * @param lc linphone core object
2668  * @param call a running call you want to transfer
2669  * @param dest a running call whose remote person will receive the transfer
2670  *
2671  * @ingroup call_control
2672  *
2673  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2674  * The destination call is a call previously established to introduce the transfered person.
2675  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2676  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2677  * close the call with us (the 'dest' call).
2678 **/
2679 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2680         int result = sal_call_refer_with_replaces (call->op,dest->op);
2681         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2682         return result;
2683 }
2684
2685 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2686         LinphoneCall *call = linphone_core_get_current_call(lc);
2687         if(call != NULL)
2688         {
2689                 if(call->dir==LinphoneCallIncoming
2690                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2691                         return TRUE;
2692         }
2693         return FALSE;
2694 }
2695
2696 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md){
2697         if (linphone_core_is_media_encryption_mandatory(lc) && linphone_core_get_media_encryption(lc)==LinphoneMediaEncryptionSRTP){
2698                 int i;
2699                 for(i=0;i<md->n_active_streams;i++){
2700                         SalStreamDescription *sd=&md->streams[i];
2701                         if (sd->proto!=SalProtoRtpSavp){
2702                                 return TRUE;
2703                         }
2704                 }
2705         }
2706         return FALSE;
2707 }
2708
2709 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2710         char *barmesg;
2711         char *tmp;
2712         LinphoneAddress *from_parsed;
2713         SalMediaDescription *md;
2714         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2715         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2716
2717         linphone_call_make_local_media_description(lc,call);
2718         sal_call_set_local_media_description(call->op,call->localdesc);
2719         md=sal_call_get_final_media_description(call->op);
2720         if (md){
2721                 if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){
2722                         sal_call_decline(call->op,SalReasonMedia,NULL);
2723                         linphone_call_unref(call);
2724                         return;
2725                 }
2726         }
2727
2728         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2729         linphone_address_clean(from_parsed);
2730         tmp=linphone_address_as_string(from_parsed);
2731         linphone_address_destroy(from_parsed);
2732         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2733             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2734         if (lc->vtable.show) lc->vtable.show(lc);
2735         if (lc->vtable.display_status)
2736             lc->vtable.display_status(lc,barmesg);
2737
2738         /* play the ring if this is the only call*/
2739         if (ms_list_size(lc->calls)==1){
2740                 lc->current_call=call;
2741                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2742                         ring_stop(lc->ringstream);
2743                         lc->ringstream=NULL;
2744                         lc->dmfs_playing_start_time=0;
2745                 }
2746                 if (lc->sound_conf.ring_sndcard!=NULL){
2747                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2748                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2749                                 ms_message("Starting local ring...");
2750                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2751                         }
2752                         else
2753                         {
2754                                 ms_message("the local ring is already started");
2755                         }
2756                 }
2757         }else{
2758                 /* else play a tone within the context of the current call */
2759                 call->ringing_beep=TRUE;
2760                 linphone_core_play_named_tone(lc,LinphoneToneCallWaiting);
2761         }
2762
2763         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2764
2765         if (call->state==LinphoneCallIncomingReceived){
2766                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2767
2768                 if (propose_early_media || ringback_tone!=NULL){
2769                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2770                         md=sal_call_get_final_media_description(call->op);
2771                         linphone_core_update_streams(lc,call,md);
2772                 }
2773                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2774                         linphone_core_accept_call(lc,call);
2775                 }
2776         }
2777         linphone_call_unref(call);
2778
2779         ms_free(barmesg);
2780         ms_free(tmp);
2781 }
2782
2783 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2784         const char *subject;
2785         call->camera_active=call->params.has_video;
2786         if (call->ice_session != NULL) {
2787                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2788         }
2789 #ifdef BUILD_UPNP
2790         if(call->upnp_session != NULL) {
2791                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2792         }
2793 #endif //BUILD_UPNP
2794         if (call->params.in_conference){
2795                 subject="Conference";
2796         }else{
2797                 subject="Media change";
2798         }
2799         if (lc->vtable.display_status)
2800                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2801         sal_call_set_local_media_description (call->op,call->localdesc);
2802         return sal_call_update(call->op,subject);
2803 }
2804
2805 /**
2806  * @ingroup call_control
2807  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2808  *
2809  * In this version this is limited to the following use cases:
2810  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2811  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2812  *
2813  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2814  * @param lc the core
2815  * @param call the call to be updated
2816  * @param params the new call parameters to use. (may be NULL)
2817  * @return 0 if successful, -1 otherwise.
2818 **/
2819 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2820         int err=0;
2821         if (params!=NULL){
2822                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2823 #ifdef VIDEO_ENABLED
2824                 bool_t has_video = call->params.has_video;
2825
2826                 // Video removing
2827                 if((call->videostream != NULL) && !params->has_video) {
2828                         if (call->ice_session != NULL) {
2829                                 ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2830                                 call->videostream->ms.ice_check_list = NULL;
2831                         }
2832 #ifdef BUILD_UPNP
2833                         if(call->upnp_session != NULL) {
2834                                 if (linphone_core_update_upnp(lc, call)<0) {
2835                                         /* uPnP port mappings failed, proceed with the call anyway. */
2836                                         linphone_call_delete_upnp_session(call);
2837                                 }
2838                         }
2839 #endif //BUILD_UPNP
2840                 }
2841
2842                 _linphone_call_params_copy(&call->params,params);
2843                 linphone_call_make_local_media_description(lc, call);
2844
2845                 // Video adding
2846                 if (!has_video && call->params.has_video) {
2847                         if (call->ice_session != NULL) {
2848                                 /* Defer call update until the ICE candidates gathering process has finished. */
2849                                 ms_message("Defer call update to gather ICE candidates");
2850                                 linphone_call_init_video_stream(call);
2851                                 video_stream_prepare_video(call->videostream);
2852                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2853                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2854                                         linphone_call_delete_ice_session(call);
2855                                 } else {
2856                                         return err;
2857                                 }
2858                         }
2859 #ifdef BUILD_UPNP
2860                         if(call->upnp_session != NULL) {
2861                                 ms_message("Defer call update to add uPnP port mappings");
2862                                 linphone_call_init_video_stream(call);
2863                                 video_stream_prepare_video(call->videostream);
2864                                 if (linphone_core_update_upnp(lc, call)<0) {
2865                                         /* uPnP port mappings failed, proceed with the call anyway. */
2866                                         linphone_call_delete_upnp_session(call);
2867                                 } else {
2868                                         return err;
2869                                 }
2870                         }
2871 #endif //BUILD_UPNP
2872                 }
2873 #endif
2874                 err = linphone_core_start_update_call(lc, call);
2875         }else{
2876 #ifdef VIDEO_ENABLED
2877                 if (call->videostream!=NULL){
2878                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2879                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2880                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2881                         }else video_stream_update_video_params(call->videostream);
2882                 }
2883 #endif
2884         }
2885
2886         return err;
2887 }
2888
2889 /**
2890  * @ingroup call_control
2891  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2892  *
2893  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2894  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2895  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2896  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2897  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2898  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2899  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2900  *
2901  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2902 **/
2903 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2904         if (call->state==LinphoneCallUpdatedByRemote){
2905                 call->defer_update=TRUE;
2906                 return 0;
2907         }
2908         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2909         return -1;
2910 }
2911
2912 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2913         SalMediaDescription *md;
2914         if (call->ice_session != NULL) {
2915                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2916                         /* Defer the sending of the answer until there are no losing pairs left. */
2917                         return 0;
2918                 }
2919                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2920         }
2921 #ifdef BUILD_UPNP
2922         if(call->upnp_session != NULL) {
2923                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2924         }
2925 #endif //BUILD_UPNP
2926         linphone_call_update_remote_session_id_and_ver(call);
2927         sal_call_set_local_media_description(call->op,call->localdesc);
2928         sal_call_accept(call->op);
2929         md=sal_call_get_final_media_description(call->op);
2930         if (md && !sal_media_description_empty(md))
2931                 linphone_core_update_streams (lc,call,md);
2932         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2933         return 0;
2934 }
2935
2936 /**
2937  * @ingroup call_control
2938  * Accept call modifications initiated by other end.
2939  *
2940  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2941  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2942  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2943  * requested by the other party, such as whether a video stream is requested.
2944  *
2945  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2946  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2947  * If params is not NULL, then the update will be accepted according to the parameters passed.
2948  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2949  * (see linphone_call_params_enable_video()).
2950  * @param lc the linphone core object.
2951  * @param call the LinphoneCall object
2952  * @param params a LinphoneCallParams object describing the call parameters to accept.
2953  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2954 **/
2955 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2956         SalMediaDescription *remote_desc;
2957         bool_t keep_sdp_version;
2958 #ifdef VIDEO_ENABLED
2959         bool_t old_has_video = call->params.has_video;
2960 #endif
2961         if (call->state!=LinphoneCallUpdatedByRemote){
2962                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2963                          linphone_call_state_to_string(call->state));
2964                 return -1;
2965         }
2966         remote_desc = sal_call_get_remote_media_description(call->op);
2967         keep_sdp_version = lp_config_get_int(lc->config, "sip", "keep_sdp_version", 0);
2968         if (keep_sdp_version &&(remote_desc->session_id == call->remote_session_id) && (remote_desc->session_ver == call->remote_session_ver)) {
2969                 /* Remote has sent an INVITE with the same SDP as before, so send a 200 OK with the same SDP as before. */
2970                 ms_warning("SDP version has not changed, send same SDP as before.");
2971                 sal_call_accept(call->op);
2972                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2973                 return 0;
2974         }
2975         if (params==NULL){
2976                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2977         }else
2978                 call->params=*params;
2979
2980         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2981                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2982                 call->params.has_video=FALSE;
2983         }
2984         if (call->current_params.in_conference) {
2985                 ms_warning("Video isn't supported in conference");
2986                 call->params.has_video = FALSE;
2987         }
2988         call->params.has_video &= linphone_core_media_description_contains_video_stream(remote_desc);
2989         call->camera_active=call->params.has_video;
2990         linphone_call_make_local_media_description(lc,call);
2991         if (call->ice_session != NULL) {
2992                 linphone_core_update_ice_from_remote_media_description(call, remote_desc);
2993 #ifdef VIDEO_ENABLED
2994                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2995                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2996                                 linphone_call_init_video_stream(call);
2997                                 video_stream_prepare_video(call->videostream);
2998                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2999                                         /* Ice candidates gathering failed, proceed with the call anyway. */
3000                                         linphone_call_delete_ice_session(call);
3001                                 } else return 0;
3002                         }
3003                 }
3004 #endif //VIDEO_ENABLED
3005         }
3006
3007 #ifdef BUILD_UPNP
3008         if(call->upnp_session != NULL) {
3009                 linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
3010 #ifdef VIDEO_ENABLED
3011                 if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3012                         linphone_call_init_video_stream(call);
3013                         video_stream_prepare_video(call->videostream);
3014                         if (linphone_core_update_upnp(lc, call)<0) {
3015                                 /* uPnP update failed, proceed with the call anyway. */
3016                                 linphone_call_delete_upnp_session(call);
3017                         } else return 0;
3018                 }
3019 #endif //VIDEO_ENABLED
3020         }
3021 #endif //BUILD_UPNP
3022
3023         linphone_core_start_accept_call_update(lc, call);
3024         return 0;
3025 }
3026
3027 /**
3028  * Accept an incoming call.
3029  *
3030  * @ingroup call_control
3031  * Basically the application is notified of incoming calls within the
3032  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3033  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3034  * The application can later accept the call using this method.
3035  * @param lc the LinphoneCore object
3036  * @param call the LinphoneCall object representing the call to be answered.
3037  *
3038 **/
3039 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
3040         return linphone_core_accept_call_with_params(lc,call,NULL);
3041 }
3042
3043 /**
3044  * Accept an incoming call, with parameters.
3045  *
3046  * @ingroup call_control
3047  * Basically the application is notified of incoming calls within the
3048  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3049  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3050  * The application can later accept the call using
3051  * this method.
3052  * @param lc the LinphoneCore object
3053  * @param call the LinphoneCall object representing the call to be answered.
3054  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
3055  *
3056 **/
3057 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
3058 {
3059         LinphoneProxyConfig *cfg=NULL;
3060         const char *contact=NULL;
3061         SalOp *replaced;
3062         SalMediaDescription *new_md;
3063         bool_t was_ringing=FALSE;
3064
3065         if (call==NULL){
3066                 //if just one call is present answer the only one ...
3067                 if(linphone_core_get_calls_nb (lc) != 1)
3068                         return -1;
3069                 else
3070                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
3071         }
3072
3073         if (call->state==LinphoneCallConnected){
3074                 /*call already accepted*/
3075                 return -1;
3076         }
3077
3078         /* check if this call is supposed to replace an already running one*/
3079         replaced=sal_call_get_replaces(call->op);
3080         if (replaced){
3081                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
3082                 if (rc){
3083                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
3084                                    call,rc);
3085                         linphone_core_terminate_call(lc,rc);
3086                 }
3087         }
3088
3089         if (lc->current_call!=call){
3090                 linphone_core_preempt_sound_resources(lc);
3091         }
3092
3093         /*stop ringing */
3094         if (lc->ringstream!=NULL) {
3095                 ms_message("stop ringing");
3096                 ring_stop(lc->ringstream);
3097                 ms_message("ring stopped");
3098                 lc->ringstream=NULL;
3099                 was_ringing=TRUE;
3100         }
3101         if (call->ringing_beep){
3102                 linphone_core_stop_dtmf(lc);
3103                 call->ringing_beep=FALSE;
3104         }
3105
3106         linphone_core_get_default_proxy(lc,&cfg);
3107         call->dest_proxy=cfg;
3108         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
3109
3110         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
3111                 ms_message("Overriding default proxy setting for this call:");
3112                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
3113         }
3114         /*try to be best-effort in giving real local or routable contact address*/
3115         contact=get_fixed_contact(lc,call,call->dest_proxy);
3116         if (contact)
3117                 sal_op_set_contact(call->op,contact);
3118
3119         if (params){
3120                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
3121                 _linphone_call_params_copy(&call->params,params);
3122                 // There might not be a md if the INVITE was lacking an SDP
3123                 // In this case we use the parameters as is.
3124                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
3125                 call->camera_active=call->params.has_video;
3126                 linphone_call_make_local_media_description(lc,call);
3127                 sal_call_set_local_media_description(call->op,call->localdesc);
3128         }
3129
3130         if (call->audiostream==NULL)
3131                 linphone_call_init_media_streams(call);
3132         if (!was_ringing && call->audiostream->ms.ticker==NULL){
3133                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
3134         }
3135
3136         linphone_call_update_remote_session_id_and_ver(call);
3137         sal_call_accept(call->op);
3138         if (lc->vtable.display_status!=NULL)
3139                 lc->vtable.display_status(lc,_("Connected."));
3140         lc->current_call=call;
3141         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
3142         new_md=sal_call_get_final_media_description(call->op);
3143         linphone_core_update_streams(lc, call, new_md);
3144         if (new_md){
3145                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
3146         }else call->media_pending=TRUE;
3147
3148         ms_message("call answered.");
3149         return 0;
3150 }
3151
3152 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
3153         sal_call_terminate(call->op);
3154
3155         /*stop ringing*/
3156         if (lc->ringstream!=NULL) {
3157                 ring_stop(lc->ringstream);
3158                 lc->ringstream=NULL;
3159         }
3160         linphone_call_stop_media_streams(call);
3161
3162 #ifdef BUILD_UPNP
3163         linphone_call_delete_upnp_session(call);
3164 #endif //BUILD_UPNP
3165
3166         if (lc->vtable.display_status!=NULL)
3167                 lc->vtable.display_status(lc,_("Call aborted") );
3168         linphone_call_set_state(call,LinphoneCallError,error);
3169         return 0;
3170 }
3171
3172 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
3173         if (call->state==LinphoneCallIncomingReceived){
3174                 if (call->reason!=LinphoneReasonNotAnswered)
3175                         call->reason=LinphoneReasonDeclined;
3176         }
3177         /*stop ringing*/
3178         if (lc->ringstream!=NULL) {
3179                 ring_stop(lc->ringstream);
3180                 lc->ringstream=NULL;
3181         }
3182
3183         linphone_call_stop_media_streams(call);
3184
3185 #ifdef BUILD_UPNP
3186         linphone_call_delete_upnp_session(call);
3187 #endif //BUILD_UPNP
3188
3189         if (lc->vtable.display_status!=NULL)
3190                 lc->vtable.display_status(lc,_("Call ended") );
3191         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
3192 }
3193
3194 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
3195         if (call->state==LinphoneCallIncomingReceived){
3196                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
3197                 call->reason=LinphoneReasonDeclined;
3198                 terminate_call(lc,call);
3199         }else{
3200                 ms_error("Bad state for call redirection.");
3201                 return -1;
3202     }
3203         return 0;
3204 }
3205
3206
3207 /**
3208  * Terminates a call.
3209  *
3210  * @ingroup call_control
3211  * @param lc the LinphoneCore
3212  * @param the_call the LinphoneCall object representing the call to be terminated.
3213 **/
3214 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3215 {
3216         LinphoneCall *call;
3217         if (the_call == NULL){
3218                 call = linphone_core_get_current_call(lc);
3219                 if (ms_list_size(lc->calls)==1){
3220                         call=(LinphoneCall*)lc->calls->data;
3221                 }else{
3222                         ms_warning("No unique call to terminate !");
3223                         return -1;
3224                 }
3225         }
3226         else
3227         {
3228                 call = the_call;
3229         }
3230         sal_call_terminate(call->op);
3231         terminate_call(lc,call);
3232         return 0;
3233 }
3234
3235 /**
3236  * Decline a pending incoming call, with a reason.
3237  *
3238  * @ingroup call_control
3239  *
3240  * @param lc the linphone core
3241  * @param call the LinphoneCall, must be in the IncomingReceived state.
3242  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3243 **/
3244 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3245         SalReason sal_reason=SalReasonUnknown;
3246         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3247                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3248                 return -1;
3249         }
3250         switch(reason){
3251                 case LinphoneReasonDeclined:
3252                         sal_reason=SalReasonDeclined;
3253                 break;
3254                 case LinphoneReasonBusy:
3255                         sal_reason=SalReasonBusy;
3256                 break;
3257                 default:
3258                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3259                         return -1;
3260                 break;
3261         }
3262         sal_call_decline(call->op,sal_reason,NULL);
3263         terminate_call(lc,call);
3264         return 0;
3265 }
3266
3267 /**
3268  * Terminates all the calls.
3269  *
3270  * @ingroup call_control
3271  * @param lc The LinphoneCore
3272 **/
3273 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3274         MSList *calls=lc->calls;
3275         while(calls) {
3276                 LinphoneCall *c=(LinphoneCall*)calls->data;
3277                 calls=calls->next;
3278                 linphone_core_terminate_call(lc,c);
3279         }
3280         return 0;
3281 }
3282
3283 /**
3284  * Returns the current list of calls.
3285  *
3286  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3287  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3288  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3289  *
3290  * @ingroup call_control
3291 **/
3292 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3293 {
3294         return lc->calls;
3295 }
3296
3297 /**
3298  * Returns TRUE if there is a call running.
3299  *
3300  * @ingroup call_control
3301 **/
3302 bool_t linphone_core_in_call(const LinphoneCore *lc){
3303         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3304 }
3305
3306 /**
3307  * Returns The _LinphoneCall struct of the current call if one is in call
3308  *
3309  * @ingroup call_control
3310 **/
3311 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc){
3312         return lc->current_call;
3313 }
3314
3315 /**
3316  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3317  * this file will be played to the remote user.
3318  *
3319  * @ingroup call_control
3320 **/
3321 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call){
3322         int err=_linphone_core_pause_call(lc,call);
3323         if (err==0)  call->paused_by_app=TRUE;
3324         return err;
3325 }
3326
3327 /* Internal version that does not play tone indication*/
3328 int _linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3329 {
3330         const char *subject=NULL;
3331
3332         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3333                 ms_warning("Cannot pause this call, it is not active.");
3334                 return -1;
3335         }
3336         linphone_call_make_local_media_description(lc,call);
3337         if (call->ice_session != NULL) {
3338                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3339         }
3340 #ifdef BUILD_UPNP
3341         if(call->upnp_session != NULL) {
3342                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3343         }
3344 #endif //BUILD_UPNP
3345         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3346                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3347                 subject="Call on hold";
3348         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3349                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3350                 subject="Call on hold for me too";
3351         }else{
3352                 ms_error("No reason to pause this call, it is already paused or inactive.");
3353                 return -1;
3354         }
3355         sal_call_set_local_media_description(call->op,call->localdesc);
3356         if (sal_call_update(call->op,subject) != 0){
3357                 if (lc->vtable.display_warning)
3358                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3359         }
3360         lc->current_call=NULL;
3361         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3362         if (lc->vtable.display_status)
3363                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3364         if (call->audiostream || call->videostream)
3365                 linphone_call_stop_media_streams (call);
3366         call->paused_by_app=FALSE;
3367         return 0;
3368 }
3369
3370 /**
3371  * Pause all currently running calls.
3372  * @ingroup call_control
3373 **/
3374 int linphone_core_pause_all_calls(LinphoneCore *lc){
3375         const MSList *elem;
3376         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3377                 LinphoneCall *call=(LinphoneCall *)elem->data;
3378                 LinphoneCallState cs=linphone_call_get_state(call);
3379                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3380                         _linphone_core_pause_call(lc,call);
3381                 }
3382         }
3383         return 0;
3384 }
3385
3386 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3387         LinphoneCall *current_call;
3388         if (linphone_core_is_in_conference(lc)){
3389                 linphone_core_leave_conference(lc);
3390                 return;
3391         }
3392         current_call=linphone_core_get_current_call(lc);
3393         if(current_call != NULL){
3394                 ms_message("Pausing automatically the current call.");
3395                 _linphone_core_pause_call(lc,current_call);
3396         }
3397         if (lc->ringstream){
3398                 ring_stop(lc->ringstream);
3399                 lc->ringstream=NULL;
3400         }
3401 }
3402
3403 /**
3404  * Resumes the call.
3405  *
3406  * @ingroup call_control
3407 **/
3408 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3409 {
3410         char temp[255]={0};
3411         LinphoneCall *call = the_call;
3412         const char *subject="Call resuming";
3413
3414         if(call->state!=LinphoneCallPaused ){
3415                 ms_warning("we cannot resume a call that has not been established and paused before");
3416                 return -1;
3417         }
3418         if (call->params.in_conference==FALSE){
3419                 linphone_core_preempt_sound_resources(lc);
3420                 ms_message("Resuming call %p",call);
3421         }
3422
3423         /* Stop playing music immediately. If remote side is a conference it
3424          prevents the participants to hear it while the 200OK comes back.*/
3425         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3426
3427         linphone_call_make_local_media_description(lc,the_call);
3428         if (call->ice_session != NULL) {
3429                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3430         }
3431 #ifdef BUILD_UPNP
3432         if(call->upnp_session != NULL) {
3433                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3434         }
3435 #endif //BUILD_UPNP
3436         sal_call_set_local_media_description(call->op,call->localdesc);
3437         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3438         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3439         if(sal_call_update(call->op,subject) != 0){
3440                 return -1;
3441         }
3442         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3443         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3444         if (lc->vtable.display_status)
3445                 lc->vtable.display_status(lc,temp);
3446         return 0;
3447 }
3448
3449 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3450         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3451         return !linphone_address_weak_equal (addr,raddr);
3452 }
3453
3454 /**
3455  * Get the call with the remote_address specified
3456  * @param lc
3457  * @param remote_address
3458  * @return the LinphoneCall of the call if found
3459  *
3460  * @ingroup call_control
3461  */
3462 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3463         LinphoneAddress *raddr=linphone_address_new(remote_address);
3464         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3465         if (elem) return (LinphoneCall*) elem->data;
3466         return NULL;
3467 }
3468
3469 int linphone_core_send_publish(LinphoneCore *lc,
3470                                LinphoneOnlineStatus presence_mode)
3471 {
3472         const MSList *elem;
3473         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3474                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3475                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3476         }
3477         return 0;
3478 }
3479
3480 /**
3481  * Set the incoming call timeout in seconds.
3482  *
3483  * @ingroup call_control
3484  * If an incoming call isn't answered for this timeout period, it is
3485  * automatically declined.
3486 **/
3487 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3488         lc->sip_conf.inc_timeout=seconds;
3489         if (linphone_core_ready(lc)){
3490                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3491         }
3492 }
3493
3494 /**
3495  * Returns the incoming call timeout
3496  *
3497  * @ingroup call_control
3498  * See linphone_core_set_inc_timeout() for details.
3499 **/
3500 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3501         return lc->sip_conf.inc_timeout;
3502 }
3503
3504 /**
3505  * Set the in call timeout in seconds.
3506  *
3507  * @ingroup call_control
3508  * After this timeout period, the call is automatically hangup.
3509 **/
3510 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3511         lc->sip_conf.in_call_timeout=seconds;
3512 }
3513
3514 /**
3515  * Returns the in call timeout
3516  *
3517  * @ingroup call_control
3518  * See linphone_core_set_in_call_timeout() for details.
3519 **/
3520 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3521         return lc->sip_conf.in_call_timeout;
3522 }
3523
3524 /**
3525  * Returns the delayed timeout
3526  *
3527  * @ingroup call_control
3528  * See linphone_core_set_delayed_timeout() for details.
3529 **/
3530 int linphone_core_get_delayed_timeout(LinphoneCore *lc){
3531         return lc->sip_conf.delayed_timeout;
3532 }
3533
3534 /**
3535  * Set the in delayed timeout in seconds.
3536  *
3537  * @ingroup call_control
3538  * After this timeout period, a delayed call (internal call initialisation or resolution) is resumed.
3539 **/
3540 void linphone_core_set_delayed_timeout(LinphoneCore *lc, int seconds){
3541         lc->sip_conf.delayed_timeout=seconds;
3542 }
3543
3544 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3545                                                                                                         const char *contact,
3546                                                                                                         LinphoneOnlineStatus presence_mode)
3547 {
3548         if (minutes_away>0) lc->minutes_away=minutes_away;
3549
3550         if (lc->alt_contact!=NULL) {
3551                 ms_free(lc->alt_contact);
3552                 lc->alt_contact=NULL;
3553         }
3554         if (contact) lc->alt_contact=ms_strdup(contact);
3555         if (lc->presence_mode!=presence_mode){
3556                 linphone_core_notify_all_friends(lc,presence_mode);
3557                 /*
3558                    Improve the use of all LINPHONE_STATUS available.
3559                    !TODO Do not mix "presence status" with "answer status code"..
3560                    Use correct parameter to follow sip_if_match/sip_etag.
3561                  */
3562                 linphone_core_send_publish(lc,presence_mode);
3563         }
3564         lc->presence_mode=presence_mode;
3565 }
3566
3567 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3568         return lc->presence_mode;
3569 }
3570
3571 /**
3572  * Get playback sound level in 0-100 scale.
3573  *
3574  * @ingroup media_parameters
3575 **/
3576 int linphone_core_get_play_level(LinphoneCore *lc)
3577 {
3578         return lc->sound_conf.play_lev;
3579 }
3580
3581 /**
3582  * Get ring sound level in 0-100 scale
3583  *
3584  * @ingroup media_parameters
3585 **/
3586 int linphone_core_get_ring_level(LinphoneCore *lc)
3587 {
3588         return lc->sound_conf.ring_lev;
3589 }
3590
3591 /**
3592  * Get sound capture level in 0-100 scale
3593  *
3594  * @ingroup media_parameters
3595 **/
3596 int linphone_core_get_rec_level(LinphoneCore *lc){
3597         return lc->sound_conf.rec_lev;
3598 }
3599
3600 /**
3601  * Set sound ring level in 0-100 scale
3602  *
3603  * @ingroup media_parameters
3604 **/
3605 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3606         MSSndCard *sndcard;
3607         lc->sound_conf.ring_lev=level;
3608         sndcard=lc->sound_conf.ring_sndcard;
3609         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3610 }
3611
3612 /**
3613  * Allow to control microphone level:  gain in db
3614  *
3615  * @ingroup media_parameters
3616 **/
3617 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3618         float gain=gaindb;
3619         LinphoneCall *call=linphone_core_get_current_call (lc);
3620         AudioStream *st;
3621
3622         lc->sound_conf.soft_mic_lev=gaindb;
3623
3624         if (linphone_core_ready(lc)){
3625                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3626         }
3627
3628         if (call==NULL || (st=call->audiostream)==NULL){
3629                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3630                 return;
3631         }
3632         if (st->volrecv){
3633                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3634         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3635 }
3636
3637 /**
3638  * Get microphone gain in db.
3639  *
3640  * @ingroup media_parameters
3641 **/
3642 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3643         return lc->sound_conf.soft_mic_lev;
3644 }
3645
3646 /**
3647  * Allow to control play level before entering sound card:  gain in db
3648  *
3649  * @ingroup media_parameters
3650 **/
3651 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3652         float gain=gaindb;
3653         LinphoneCall *call=linphone_core_get_current_call (lc);
3654         AudioStream *st;
3655
3656         lc->sound_conf.soft_play_lev=gaindb;
3657         if (linphone_core_ready(lc)){
3658                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3659         }
3660
3661         if (call==NULL || (st=call->audiostream)==NULL){
3662                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3663                 return;
3664         }
3665         if (st->volrecv){
3666                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3667         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3668 }
3669
3670 /**
3671  * Get playback gain in db before entering  sound card.
3672  *
3673  * @ingroup media_parameters
3674 **/
3675 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3676         return lc->sound_conf.soft_play_lev;
3677 }
3678
3679 /**
3680  * Set sound playback level in 0-100 scale
3681  *
3682  * @ingroup media_parameters
3683 **/
3684 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3685         MSSndCard *sndcard;
3686         lc->sound_conf.play_lev=level;
3687         sndcard=lc->sound_conf.play_sndcard;
3688         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3689 }
3690
3691 /**
3692  * Set sound capture level in 0-100 scale
3693  *
3694  * @ingroup media_parameters
3695 **/
3696 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3697 {
3698         MSSndCard *sndcard;
3699         lc->sound_conf.rec_lev=level;
3700         sndcard=lc->sound_conf.capt_sndcard;
3701         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3702 }
3703
3704 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3705         MSSndCard *sndcard=NULL;
3706         if (devid!=NULL){
3707                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3708                 if (sndcard!=NULL &&
3709                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3710                         ms_warning("%s card does not have the %s capability, ignoring.",
3711                                 devid,
3712                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3713                         sndcard=NULL;
3714                 }
3715         }
3716         if (sndcard==NULL) {
3717                 /* get a card that has read+write capabilities */
3718                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3719                 /* otherwise refine to the first card having the right capability*/
3720                 if (sndcard==NULL){
3721                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3722                         for(;elem!=NULL;elem=elem->next){
3723                                 sndcard=(MSSndCard*)elem->data;
3724                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3725                         }
3726                 }
3727                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3728                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3729                         if (elem) sndcard=(MSSndCard*)elem->data;
3730         }
3731         }
3732         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3733         return sndcard;
3734 }
3735
3736 /**
3737  * Returns true if the specified sound device can capture sound.
3738  *
3739  * @ingroup media_parameters
3740  * @param lc The LinphoneCore object
3741  * @param devid the device name as returned by linphone_core_get_sound_devices()
3742 **/
3743 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3744         MSSndCard *sndcard;
3745         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3746         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3747         return FALSE;
3748 }
3749
3750 /**
3751  * Returns true if the specified sound device can play sound.
3752  *
3753  * @ingroup media_parameters
3754  * @param lc The LinphoneCore object
3755  * @param devid the device name as returned by linphone_core_get_sound_devices()
3756 **/
3757 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3758         MSSndCard *sndcard;
3759         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3760         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3761         return FALSE;
3762 }
3763
3764 /**
3765  * Sets the sound device used for ringing.
3766  *
3767  * @ingroup media_parameters
3768  * @param lc The LinphoneCore object
3769  * @param devid the device name as returned by linphone_core_get_sound_devices()
3770 **/
3771 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3772         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3773         lc->sound_conf.ring_sndcard=card;
3774         if (card && linphone_core_ready(lc))
3775                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3776         return 0;
3777 }
3778
3779 /**
3780  * Sets the sound device used for playback.
3781  *
3782  * @ingroup media_parameters
3783  * @param lc The LinphoneCore object
3784  * @param devid the device name as returned by linphone_core_get_sound_devices()
3785 **/
3786 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3787         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3788         lc->sound_conf.play_sndcard=card;
3789         if (card &&  linphone_core_ready(lc))
3790                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3791         return 0;
3792 }
3793
3794 /**
3795  * Sets the sound device used for capture.
3796  *
3797  * @ingroup media_parameters
3798  * @param lc The LinphoneCore object
3799  * @param devid the device name as returned by linphone_core_get_sound_devices()
3800 **/
3801 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3802         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3803         lc->sound_conf.capt_sndcard=card;
3804         if (card &&  linphone_core_ready(lc))
3805                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3806         return 0;
3807 }
3808
3809 /**
3810  * Returns the name of the currently assigned sound device for ringing.
3811  *
3812  * @ingroup media_parameters
3813  * @param lc The LinphoneCore object
3814 **/
3815 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3816 {
3817         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3818         return NULL;
3819 }
3820
3821 /**
3822  * Returns the name of the currently assigned sound device for playback.
3823  *
3824  * @ingroup media_parameters
3825  * @param lc The LinphoneCore object
3826 **/
3827 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3828 {
3829         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3830 }
3831
3832 /**
3833  * Returns the name of the currently assigned sound device for capture.
3834  *
3835  * @ingroup media_parameters
3836  * @param lc The LinphoneCore object
3837 **/
3838 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3839 {
3840         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3841 }
3842
3843 /**
3844  * Returns an unmodifiable array of available sound devices.
3845  *
3846  * The array is NULL terminated.
3847  *
3848  * @ingroup media_parameters
3849  * @param lc The LinphoneCore object
3850 **/
3851 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3852         return lc->sound_conf.cards;
3853 }
3854
3855 /**
3856  * Returns an unmodifiable array of available video capture devices.
3857  *
3858  * @ingroup media_parameters
3859  * The array is NULL terminated.
3860 **/
3861 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3862         return lc->video_conf.cams;
3863 }
3864
3865 /**
3866  * Update detection of sound devices.
3867  *
3868  * Use this function when the application is notified of USB plug events, so that
3869  * list of available hardwares for sound playback and capture is updated.
3870  **/
3871 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3872         const char *ringer,*playback,*capture;
3873         ringer=linphone_core_get_ringer_device(lc);
3874         playback=linphone_core_get_playback_device(lc);
3875         capture=linphone_core_get_capture_device(lc);
3876         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3877         build_sound_devices_table(lc);
3878         linphone_core_set_ringer_device(lc,ringer);
3879         linphone_core_set_playback_device(lc,playback);
3880         linphone_core_set_capture_device(lc,capture);
3881 }
3882
3883 /**
3884  * Update detection of camera devices.
3885  *
3886  * Use this function when the application is notified of USB plug events, so that
3887  * list of available hardwares for video capture is updated.
3888  **/
3889 void linphone_core_reload_video_devices(LinphoneCore *lc){
3890         const char *devid;
3891         devid=linphone_core_get_video_device(lc);
3892         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3893         build_video_devices_table(lc);
3894         linphone_core_set_video_device(lc,devid);
3895 }
3896
3897 char linphone_core_get_sound_source(LinphoneCore *lc)
3898 {
3899         return lc->sound_conf.source;
3900 }
3901
3902 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3903 {
3904         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3905         lc->sound_conf.source=source;
3906         if (!sndcard) return;
3907         switch(source){
3908                 case 'm':
3909                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3910                         break;
3911                 case 'l':
3912                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3913                         break;
3914         }
3915
3916 }
3917
3918
3919 /**
3920  * Sets the path to a wav file used for ringing.
3921  *
3922  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3923  * @param lc The LinphoneCore object
3924  *
3925  * @ingroup media_parameters
3926 **/
3927 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3928         if (lc->sound_conf.local_ring!=0){
3929                 ms_free(lc->sound_conf.local_ring);
3930                 lc->sound_conf.local_ring=NULL;
3931         }
3932         if (path)
3933                 lc->sound_conf.local_ring=ms_strdup(path);
3934         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3935                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3936 }
3937
3938 /**
3939  * Returns the path to the wav file used for ringing.
3940  *
3941  * @param lc The LinphoneCore object
3942  * @ingroup media_parameters
3943 **/
3944 const char *linphone_core_get_ring(const LinphoneCore *lc){
3945         return lc->sound_conf.local_ring;
3946 }
3947
3948 /**
3949  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3950  *
3951  * @param path
3952  * @param lc The LinphoneCore object
3953  *
3954  * @ingroup initializing
3955 **/
3956 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3957         sal_set_root_ca(lc->sal, path);
3958 }
3959
3960 /**
3961  * Gets the path to a file or folder containing the trusted root CAs (PEM format)
3962  *
3963  * @param lc The LinphoneCore object
3964  *
3965  * @ingroup initializing
3966 **/
3967 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3968         return sal_get_root_ca(lc->sal);
3969 }
3970
3971 /**
3972  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3973  *
3974  * @ingroup initializing
3975 **/
3976 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3977         sal_verify_server_certificates(lc->sal,yesno);
3978 }
3979
3980 /**
3981  * Specify whether the tls server certificate common name must be verified when connecting to a SIP/TLS server.
3982  * @ingroup initializing
3983 **/
3984 void linphone_core_verify_server_cn(LinphoneCore *lc, bool_t yesno){
3985         sal_verify_server_cn(lc->sal,yesno);
3986 }
3987
3988 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3989         LinphoneCore *lc=(LinphoneCore*)ud;
3990         lc->preview_finished=1;
3991 }
3992
3993 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3994 {
3995         if (lc->ringstream!=0){
3996                 ms_warning("Cannot start ring now,there's already a ring being played");
3997                 return -1;
3998         }
3999         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
4000         lc->preview_finished=0;
4001         if (lc->sound_conf.ring_sndcard!=NULL){
4002                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4003                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
4004         }
4005         return 0;
4006 }
4007
4008 /**
4009  * Sets the path to a wav file used for ringing back.
4010  *
4011  * Ringback means the ring that is heard when it's ringing at the remote party.
4012  * The file must be a wav 16bit linear.
4013  *
4014  * @ingroup media_parameters
4015 **/
4016 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
4017         if (lc->sound_conf.remote_ring!=0){
4018                 ms_free(lc->sound_conf.remote_ring);
4019         }
4020         lc->sound_conf.remote_ring=ms_strdup(path);
4021 }
4022
4023 /**
4024  * Returns the path to the wav file used for ringing back.
4025  *
4026  * @ingroup media_parameters
4027 **/
4028 const char * linphone_core_get_ringback(const LinphoneCore *lc){
4029         return lc->sound_conf.remote_ring;
4030 }
4031
4032 /**
4033  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
4034  *
4035  * @ingroup media_parameters
4036 **/
4037 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
4038         lc->sound_conf.ec=val;
4039         if ( linphone_core_ready(lc))
4040                 lp_config_set_int(lc->config,"sound","echocancellation",val);
4041 }
4042
4043
4044 /**
4045  * Returns TRUE if echo cancellation is enabled.
4046  *
4047  * @ingroup media_parameters
4048 **/
4049 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
4050         return lc->sound_conf.ec;
4051 }
4052
4053 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
4054         lc->sound_conf.ea=val;
4055 }
4056
4057 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
4058         return lc->sound_conf.ea;
4059 }
4060
4061 /**
4062  * Mutes or unmutes the local microphone.
4063  *
4064  * @ingroup media_parameters
4065 **/
4066 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
4067         LinphoneCall *call=linphone_core_get_current_call(lc);
4068         AudioStream *st=NULL;
4069         if (linphone_core_is_in_conference(lc)){
4070                 lc->conf_ctx.local_muted=val;
4071                 st=lc->conf_ctx.local_participant;
4072         }else if (call==NULL){
4073                 ms_warning("linphone_core_mute_mic(): No current call !");
4074                 return;
4075         }else{
4076                 st=call->audiostream;
4077                 call->audio_muted=val;
4078         }
4079         if (st!=NULL){
4080                 audio_stream_set_mic_gain(st,
4081                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
4082                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
4083                         audio_stream_mute_rtp(st,val);
4084                 }
4085
4086         }
4087 }
4088 /**
4089  * Returns whether microphone is muted.
4090 **/
4091 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
4092         LinphoneCall *call=linphone_core_get_current_call(lc);
4093         if (linphone_core_is_in_conference(lc)){
4094                 return lc->conf_ctx.local_muted;
4095         }else if (call==NULL){
4096                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4097                 return FALSE;
4098         }
4099         return call->audio_muted;
4100 }
4101
4102 // returns rtp transmission status for an active stream
4103 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
4104 // was set on then rtp transmission is also muted
4105 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
4106         LinphoneCall *call=linphone_core_get_current_call(lc);
4107         if (call==NULL){
4108                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4109                 return FALSE;
4110         }
4111         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
4112                 return call->audio_muted;
4113         }
4114         return FALSE;
4115 }
4116
4117 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
4118         lc->sound_conf.agc=val;
4119 }
4120
4121 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
4122         return lc->sound_conf.agc;
4123 }
4124
4125 /**
4126  * Send the specified dtmf.
4127  *
4128  * @ingroup media_parameters
4129  * This function only works during calls. The dtmf is automatically played to the user.
4130  * @param lc The LinphoneCore object
4131  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
4132  *
4133 **/
4134 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
4135 {
4136         LinphoneCall *call=linphone_core_get_current_call(lc);
4137         if (call==NULL){
4138                 ms_warning("linphone_core_send_dtmf(): no active call");
4139                 return;
4140         }
4141         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
4142         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
4143         {
4144                 /* In Band DTMF */
4145                 if (call->audiostream!=NULL){
4146                         audio_stream_send_dtmf(call->audiostream,dtmf);
4147                 }
4148                 else
4149                 {
4150                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
4151                 }
4152         }
4153         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
4154                 /* Out of Band DTMF (use INFO method) */
4155                 sal_call_send_dtmf(call->op,dtmf);
4156         }
4157 }
4158
4159 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
4160         if (lc->net_conf.stun_server!=NULL)
4161                 ms_free(lc->net_conf.stun_server);
4162         if (server)
4163                 lc->net_conf.stun_server=ms_strdup(server);
4164         else lc->net_conf.stun_server=NULL;
4165         if (linphone_core_ready(lc))
4166                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
4167 }
4168
4169 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
4170         return lc->net_conf.stun_server;
4171 }
4172
4173 bool_t linphone_core_upnp_available(const LinphoneCore *lc){
4174 #ifdef BUILD_UPNP
4175         return TRUE;
4176 #else
4177         return FALSE;
4178 #endif //BUILD_UPNP
4179 }
4180
4181 LinphoneUpnpState linphone_core_get_upnp_state(const LinphoneCore *lc){
4182 #ifdef BUILD_UPNP
4183         return linphone_upnp_context_get_state(lc->upnp);
4184 #else
4185         return LinphoneUpnpStateNotAvailable;
4186 #endif //BUILD_UPNP
4187 }
4188
4189 const char * linphone_core_get_upnp_external_ipaddress(const LinphoneCore *lc){
4190 #ifdef BUILD_UPNP
4191         return linphone_upnp_context_get_external_ipaddress(lc->upnp);
4192 #else
4193         return NULL;
4194 #endif //BUILD_UPNP
4195 }
4196
4197
4198 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
4199         return lc->net_conf.relay;
4200 }
4201
4202 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
4203         if (lc->net_conf.relay!=NULL){
4204                 ms_free(lc->net_conf.relay);
4205                 lc->net_conf.relay=NULL;
4206         }
4207         if (addr){
4208                 lc->net_conf.relay=ms_strdup(addr);
4209         }
4210         return 0;
4211 }
4212
4213 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
4214 {
4215         if (lc->net_conf.nat_address!=NULL){
4216                 ms_free(lc->net_conf.nat_address);
4217         }
4218         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
4219         else lc->net_conf.nat_address=NULL;
4220         if (lc->sip_conf.contact) update_primary_contact(lc);
4221 }
4222
4223 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
4224         return lc->net_conf.nat_address;
4225 }
4226
4227 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
4228 {
4229         struct sockaddr_storage ss;
4230         socklen_t ss_len;
4231         int error;
4232         char ipstring [INET6_ADDRSTRLEN];
4233
4234         if (lc->net_conf.nat_address==NULL) return NULL;
4235
4236         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
4237                 return lc->net_conf.nat_address;
4238         }
4239
4240         error = getnameinfo((struct sockaddr *)&ss, ss_len,
4241                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
4242         if (error) {
4243                 return lc->net_conf.nat_address;
4244         }
4245
4246         if (lc->net_conf.nat_address_ip!=NULL){
4247                 ms_free(lc->net_conf.nat_address_ip);
4248         }
4249         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
4250         return lc->net_conf.nat_address_ip;
4251 }
4252
4253 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
4254 #ifndef BUILD_UPNP
4255         if(pol == LinphonePolicyUseUpnp) {
4256                 ms_warning("UPNP is not available, reset firewall policy to no firewall");
4257                 pol = LinphonePolicyNoFirewall;
4258         }
4259 #endif //BUILD_UPNP
4260         lc->net_conf.firewall_policy=pol;
4261 #ifdef BUILD_UPNP
4262         if(pol == LinphonePolicyUseUpnp) {
4263                 if(lc->upnp == NULL) {
4264                         lc->upnp = linphone_upnp_context_new(lc);
4265                 }
4266         } else {
4267                 if(lc->upnp != NULL) {
4268                         linphone_upnp_context_destroy(lc->upnp);
4269                         lc->upnp = NULL;
4270                 }
4271         }
4272         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
4273 #endif //BUILD_UPNP
4274         if (lc->sip_conf.contact) update_primary_contact(lc);
4275         if (linphone_core_ready(lc))
4276                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
4277 }
4278
4279 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
4280         return lc->net_conf.firewall_policy;
4281 }
4282
4283 /**
4284  * Get the list of call logs (past calls).
4285  *
4286  * @ingroup call_logs
4287 **/
4288 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
4289         return lc->call_logs;
4290 }
4291
4292 /**
4293  * Erase the call log.
4294  *
4295  * @ingroup call_logs
4296 **/
4297 void linphone_core_clear_call_logs(LinphoneCore *lc){
4298         lc->missed_calls=0;
4299         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4300         lc->call_logs=ms_list_free(lc->call_logs);
4301         call_logs_write_to_config_file(lc);
4302 }
4303
4304 /**
4305  * Returns number of missed calls.
4306  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4307 **/
4308 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4309         return lc->missed_calls;
4310 }
4311
4312 /**
4313  * Resets the counter of missed calls.
4314 **/
4315 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4316         lc->missed_calls=0;
4317 }
4318
4319 /**
4320  * Remove a specific call log from call history list.
4321  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4322  * @param lc the linphone core object
4323  * @param a LinphoneCallLog object.
4324 **/
4325 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4326         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4327         call_logs_write_to_config_file(lc);
4328         linphone_call_log_destroy(cl);
4329 }
4330
4331 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4332 #ifdef VIDEO_ENABLED
4333         if (val){
4334                 if (lc->previewstream==NULL){
4335                         lc->previewstream=video_preview_new();
4336                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4337                         if (lc->video_conf.displaytype)
4338                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4339                         if (lc->preview_window_id!=0)
4340                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4341                         video_preview_start(lc->previewstream,lc->video_conf.device);
4342                 }
4343         }else{
4344                 if (lc->previewstream!=NULL){
4345                         video_preview_stop(lc->previewstream);
4346                         lc->previewstream=NULL;
4347                 }
4348         }
4349 #endif
4350 }
4351
4352 /**
4353  * Enables video globally.
4354  *
4355  * @ingroup media_parameters
4356  * This function does not have any effect during calls. It just indicates LinphoneCore to
4357  * initiate future calls with video or not. The two boolean parameters indicate in which
4358  * direction video is enabled. Setting both to false disables video entirely.
4359  *
4360  * @param lc The LinphoneCore object
4361  * @param vcap_enabled indicates whether video capture is enabled
4362  * @param display_enabled indicates whether video display should be shown
4363  *
4364 **/
4365 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4366 #ifndef VIDEO_ENABLED
4367         if (vcap_enabled || display_enabled)
4368                 ms_warning("This version of linphone was built without video support.");
4369 #endif
4370         lc->video_conf.capture=vcap_enabled;
4371         lc->video_conf.display=display_enabled;
4372         if (linphone_core_ready(lc)){
4373                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4374                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4375         }
4376         /* need to re-apply network bandwidth settings*/
4377         linphone_core_set_download_bandwidth(lc,
4378                 linphone_core_get_download_bandwidth(lc));
4379         linphone_core_set_upload_bandwidth(lc,
4380                 linphone_core_get_upload_bandwidth(lc));
4381 }
4382
4383 bool_t linphone_core_video_supported(LinphoneCore *lc){
4384 #ifdef VIDEO_ENABLED
4385         return TRUE;
4386 #else
4387         return FALSE;
4388 #endif
4389 }
4390
4391 /**
4392  * Returns TRUE if video is enabled, FALSE otherwise.
4393  * @ingroup media_parameters
4394 **/
4395 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4396         return (lc->video_conf.display || lc->video_conf.capture);
4397 }
4398
4399 /**
4400  * Sets the default policy for video.
4401  * This policy defines whether:
4402  * - video shall be initiated by default for outgoing calls
4403  * - video shall be accepter by default for incoming calls
4404  * @ingroup media_parameters
4405 **/
4406 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4407         lc->video_policy=*policy;
4408         if (linphone_core_ready(lc)){
4409                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4410                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4411         }
4412 }
4413
4414 /**
4415  * Get the default policy for video.
4416  * See linphone_core_set_video_policy() for more details.
4417  * @ingroup media_parameters
4418 **/
4419 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4420         return &lc->video_policy;
4421 }
4422
4423 /**
4424  * Controls video preview enablement.
4425  *
4426  * @ingroup media_parameters
4427  * Video preview refers to the action of displaying the local webcam image
4428  * to the user while not in call.
4429 **/
4430 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4431         lc->video_conf.show_local=val;
4432         if (linphone_core_ready(lc))
4433                 lp_config_set_int(lc->config,"video","show_local",val);
4434 }
4435
4436 /**
4437  * Returns TRUE if video previewing is enabled.
4438  * @ingroup media_parameters
4439 **/
4440 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4441         return lc->video_conf.show_local;
4442 }
4443
4444 /**
4445  * Enables or disable self view during calls.
4446  *
4447  * @ingroup media_parameters
4448  * Self-view refers to having local webcam image inserted in corner
4449  * of the video window during calls.
4450  * This function works at any time, including during calls.
4451 **/
4452 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4453 #ifdef VIDEO_ENABLED
4454         LinphoneCall *call=linphone_core_get_current_call (lc);
4455         lc->video_conf.selfview=val;
4456         if (call && call->videostream){
4457                 video_stream_enable_self_view(call->videostream,val);
4458         }
4459         if (linphone_core_ready(lc)){
4460                 lp_config_set_int(lc->config,"video","self_view",val);
4461         }
4462 #endif
4463 }
4464
4465 /**
4466  * Returns TRUE if self-view is enabled, FALSE otherwise.
4467  *
4468  * @ingroup media_parameters
4469  *
4470  * Refer to linphone_core_enable_self_view() for details.
4471 **/
4472 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4473         return lc->video_conf.selfview;
4474 }
4475
4476 /**
4477  * Sets the active video device.
4478  *
4479  * @ingroup media_parameters
4480  * @param lc The LinphoneCore object
4481  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4482 **/
4483 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4484         MSWebCam *olddev=lc->video_conf.device;
4485         const char *vd;
4486         if (id!=NULL){
4487                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4488                 if (lc->video_conf.device==NULL){
4489                         ms_warning("Could not find video device %s",id);
4490                 }
4491         }
4492         if (lc->video_conf.device==NULL)
4493                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4494         if (olddev!=NULL && olddev!=lc->video_conf.device){
4495                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4496         }
4497         if ( linphone_core_ready(lc) && lc->video_conf.device){
4498                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4499                 if (vd && strstr(vd,"Static picture")!=NULL){
4500                         vd=NULL;
4501                 }
4502                 lp_config_set_string(lc->config,"video","device",vd);
4503         }
4504         return 0;
4505 }
4506
4507 /**
4508  * Returns the name of the currently active video device.
4509  *
4510  * @param lc The LinphoneCore object
4511  * @ingroup media_parameters
4512 **/
4513 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4514         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4515         return NULL;
4516 }
4517
4518 #ifdef VIDEO_ENABLED
4519 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4520         VideoStream *vs = NULL;
4521         LinphoneCall *call=linphone_core_get_current_call (lc);
4522         /* Select the video stream from the call in the first place */
4523         if (call && call->videostream) {
4524                 vs = call->videostream;
4525         }
4526         /* If not in call, select the video stream from the preview */
4527         if (vs == NULL && lc->previewstream) {
4528                 vs = lc->previewstream;
4529         }
4530         return vs;
4531 }
4532 #endif
4533
4534 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4535 #ifdef VIDEO_ENABLED
4536         VideoStream *vs=get_active_video_stream(lc);
4537         /* If we have a video stream (either preview, either from call), we
4538                  have a source and it is using the static picture filter, then
4539                  force the filter to use that picture. */
4540         if (vs && vs->source) {
4541                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4542                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4543                                                                                                                 (void *)path);
4544                 }
4545         }
4546         /* Tell the static image filter to use that image from now on so
4547                  that the image will be used next time it has to be read */
4548         ms_static_image_set_default_image(path);
4549 #else
4550         ms_warning("Video support not compiled.");
4551 #endif
4552         return 0;
4553 }
4554
4555 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4556         const char *path=NULL;
4557 #ifdef VIDEO_ENABLED
4558         path=ms_static_image_get_default_image();
4559 #else
4560         ms_warning("Video support not compiled.");
4561 #endif
4562         return path;
4563 }
4564
4565 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4566 #ifdef VIDEO_ENABLED
4567         VideoStream *vs = NULL;
4568
4569         vs=get_active_video_stream(lc);
4570
4571         /* If we have a video stream (either preview, either from call), we
4572                  have a source and it is using the static picture filter, then
4573                  force the filter to use that picture. */
4574         if (vs && vs->source) {
4575                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4576                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4577                 }
4578         }
4579 #else
4580         ms_warning("Video support not compiled.");
4581 #endif
4582         return 0;
4583 }
4584
4585 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4586 #ifdef VIDEO_ENABLED
4587         VideoStream *vs = NULL;
4588         vs=get_active_video_stream(lc);
4589         /* If we have a video stream (either preview, either from call), we
4590                  have a source and it is using the static picture filter, then
4591                  force the filter to use that picture. */
4592         if (vs && vs->source) {
4593                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4594
4595                         float fps;
4596
4597                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4598                         return fps;
4599                 }
4600         }
4601 #else
4602         ms_warning("Video support not compiled.");
4603 #endif
4604         return 0;
4605 }
4606
4607 /**
4608  * Returns the native window handle of the video window, casted as an unsigned long.
4609  *
4610  * @ingroup media_parameters
4611 **/
4612 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4613 #ifdef VIDEO_ENABLED
4614         LinphoneCall *call=linphone_core_get_current_call (lc);
4615         if (call && call->videostream)
4616                 return video_stream_get_native_window_id(call->videostream);
4617         if (lc->previewstream)
4618                 return video_stream_get_native_window_id(lc->previewstream);
4619 #endif
4620         return lc->video_window_id;
4621 }
4622
4623 /**@ingroup media_parameters
4624  * Set the native video window id where the video is to be displayed.
4625  * If not set the core will create its own window.
4626 **/
4627 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4628 #ifdef VIDEO_ENABLED
4629         LinphoneCall *call=linphone_core_get_current_call(lc);
4630         lc->video_window_id=id;
4631         if (call!=NULL && call->videostream){
4632                 video_stream_set_native_window_id(call->videostream,id);
4633         }
4634 #endif
4635 }
4636
4637 /**
4638  * Returns the native window handle of the video preview window, casted as an unsigned long.
4639  *
4640  * @ingroup media_parameters
4641 **/
4642 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4643 #ifdef VIDEO_ENABLED
4644         LinphoneCall *call=linphone_core_get_current_call (lc);
4645         if (call && call->videostream)
4646                 return video_stream_get_native_preview_window_id(call->videostream);
4647         if (lc->previewstream)
4648                 return video_preview_get_native_window_id(lc->previewstream);
4649 #endif
4650         return lc->preview_window_id;
4651 }
4652
4653 /**
4654  * @ingroup media_parameters
4655  * Set the native window id where the preview video (local camera) is to be displayed.
4656  * This has to be used in conjonction with linphone_core_use_preview_window().
4657  * If not set the core will create its own window.
4658 **/
4659 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4660         lc->preview_window_id=id;
4661 #ifdef VIDEO_ENABLED
4662         LinphoneCall *call=linphone_core_get_current_call(lc);
4663         if (call!=NULL && call->videostream){
4664                 video_stream_set_native_preview_window_id(call->videostream,id);
4665         }else if (lc->previewstream){
4666                 video_preview_set_native_window_id(lc->previewstream,id);
4667         }
4668 #endif
4669 }
4670
4671 /**
4672  * Can be used to disable video showing to free XV port
4673 **/
4674 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4675 #ifdef VIDEO_ENABLED
4676         ms_error("linphone_core_show_video %d", show);
4677         LinphoneCall *call=linphone_core_get_current_call(lc);
4678         if (call!=NULL && call->videostream){
4679                 video_stream_show_video(call->videostream,show);
4680         }
4681 #endif
4682 }
4683
4684 /**
4685  * Tells the core to use a separate window for local camera preview video, instead of
4686  * inserting local view within the remote video window.
4687  *
4688 **/
4689 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4690         lc->use_preview_window=yesno;
4691 }
4692 /**
4693  * @ingroup media_parameters
4694  *returns current device orientation
4695  */
4696 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4697         return lc->device_rotation;
4698 }
4699 /**
4700  * @ingroup media_parameters
4701  * Tells the core the device current orientation. This can be used by capture filters
4702  * on mobile devices to select between portrait/landscape mode and to produce properly
4703  * oriented images. The exact meaning of the value in rotation if left to each device
4704  * specific implementations.
4705  *@param lc  object.
4706  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4707  *
4708 **/
4709 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4710         ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4711         lc->device_rotation = rotation;
4712 #ifdef VIDEO_ENABLED
4713         LinphoneCall *call=linphone_core_get_current_call(lc);
4714         if (call!=NULL && call->videostream){
4715                 video_stream_set_device_rotation(call->videostream,rotation);
4716         }
4717 #endif
4718 }
4719
4720 static MSVideoSizeDef supported_resolutions[]={
4721 #ifdef ENABLE_HD
4722         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4723         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4724 #endif
4725         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4726         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4727         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4728         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4729         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4730         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4731         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4732         {       {0,0}                   ,       NULL    }
4733 };
4734
4735 /**
4736  * Returns the zero terminated table of supported video resolutions.
4737  *
4738  * @ingroup media_parameters
4739 **/
4740 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4741         return supported_resolutions;
4742 }
4743
4744 static MSVideoSize video_size_get_by_name(const char *name){
4745         MSVideoSizeDef *pdef=supported_resolutions;
4746         MSVideoSize null_vsize={0,0};
4747         for(;pdef->name!=NULL;pdef++){
4748                 if (strcasecmp(name,pdef->name)==0){
4749                         return pdef->vsize;
4750                 }
4751         }
4752         ms_warning("Video resolution %s is not supported in linphone.",name);
4753         return null_vsize;
4754 }
4755
4756 static const char *video_size_get_name(MSVideoSize vsize){
4757         MSVideoSizeDef *pdef=supported_resolutions;
4758         for(;pdef->name!=NULL;pdef++){
4759                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4760                         return pdef->name;
4761                 }
4762         }
4763         return NULL;
4764 }
4765
4766 static bool_t video_size_supported(MSVideoSize vsize){
4767         if (video_size_get_name(vsize)) return TRUE;
4768         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4769         return FALSE;
4770 }
4771
4772 /**
4773  * Sets the preferred video size.
4774  *
4775  * @ingroup media_parameters
4776  * This applies only to the stream that is captured and sent to the remote party,
4777  * since we accept all standard video size on the receive path.
4778 **/
4779 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4780         if (video_size_supported(vsize)){
4781                 MSVideoSize oldvsize=lc->video_conf.vsize;
4782                 lc->video_conf.vsize=vsize;
4783                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4784                         toggle_video_preview(lc,FALSE);
4785                         toggle_video_preview(lc,TRUE);
4786                 }
4787                 if ( linphone_core_ready(lc))
4788                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4789         }
4790 }
4791
4792 /**
4793  * Sets the preferred video size by its name.
4794  *
4795  * @ingroup media_parameters
4796  * This is identical to linphone_core_set_preferred_video_size() except
4797  * that it takes the name of the video resolution as input.
4798  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4799 **/
4800 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4801         MSVideoSize vsize=video_size_get_by_name(name);
4802         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4803         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4804         else linphone_core_set_preferred_video_size(lc,default_vsize);
4805 }
4806
4807 /**
4808  * Returns the current preferred video size for sending.
4809  *
4810  * @ingroup media_parameters
4811 **/
4812 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4813         return lc->video_conf.vsize;
4814 }
4815
4816 /**
4817  * Ask the core to stream audio from and to files, instead of using the soundcard.
4818 **/
4819 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4820         lc->use_files=yesno;
4821 }
4822
4823 /**
4824  * Sets a wav file to be played when putting somebody on hold,
4825  * or when files are used instead of soundcards (see linphone_core_use_files()).
4826  *
4827  * The file must be a 16 bit linear wav file.
4828 **/
4829 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4830         LinphoneCall *call=linphone_core_get_current_call(lc);
4831         if (lc->play_file!=NULL){
4832                 ms_free(lc->play_file);
4833                 lc->play_file=NULL;
4834         }
4835         if (file!=NULL) {
4836                 lc->play_file=ms_strdup(file);
4837                 if (call && call->audiostream && call->audiostream->ms.ticker)
4838                         audio_stream_play(call->audiostream,file);
4839         }
4840 }
4841
4842
4843 /**
4844  * Sets a wav file where incoming stream is to be recorded,
4845  * when files are used instead of soundcards (see linphone_core_use_files()).
4846  *
4847  * This feature is different from call recording (linphone_call_params_set_record_file())
4848  * The file will be a 16 bit linear wav file.
4849 **/
4850 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4851         LinphoneCall *call=linphone_core_get_current_call(lc);
4852         if (lc->rec_file!=NULL){
4853                 ms_free(lc->rec_file);
4854                 lc->rec_file=NULL;
4855         }
4856         if (file!=NULL) {
4857                 lc->rec_file=ms_strdup(file);
4858                 if (call && call->audiostream)
4859                         audio_stream_record(call->audiostream,file);
4860         }
4861 }
4862
4863
4864 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4865         LinphoneCall *call=linphone_core_get_current_call (lc);
4866         AudioStream *stream=NULL;
4867         if (call){
4868                 stream=call->audiostream;
4869         }else if (linphone_core_is_in_conference(lc)){
4870                 stream=lc->conf_ctx.local_participant;
4871         }
4872         if (stream){
4873                 return stream->dtmfgen;
4874         }
4875         if (lc->ringstream==NULL){
4876                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4877                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4878                 if (ringcard == NULL)
4879                         return NULL;
4880
4881                 lc->ringstream=ring_start(NULL,0,ringcard);
4882                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4883                 lc->dmfs_playing_start_time=time(NULL);
4884         }else{
4885                 if (lc->dmfs_playing_start_time!=0)
4886                         lc->dmfs_playing_start_time=time(NULL);
4887         }
4888         return lc->ringstream->gendtmf;
4889 }
4890
4891 /**
4892  * @ingroup media_parameters
4893  * Plays a dtmf sound to the local user.
4894  * @param lc #LinphoneCore
4895  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4896  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4897 **/
4898 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4899         MSFilter *f=get_dtmf_gen(lc);
4900         if (f==NULL){
4901                 ms_error("No dtmf generator at this time !");
4902                 return;
4903         }
4904
4905         if (duration_ms>0)
4906                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4907         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4908 }
4909
4910 /**
4911  * @ingroup media_parameters
4912  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4913  * @param lc #LinphoneCore
4914 **/
4915 void linphone_core_play_tone(LinphoneCore *lc){
4916         MSFilter *f=get_dtmf_gen(lc);
4917         MSDtmfGenCustomTone def;
4918         if (f==NULL){
4919                 ms_error("No dtmf generator at this time !");
4920                 return;
4921         }
4922         memset(&def,0,sizeof(def));
4923         def.duration=300;
4924         def.frequencies[0]=500;
4925         def.amplitude=1;
4926         def.interval=2000;
4927         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4928 }
4929
4930 void linphone_core_play_named_tone(LinphoneCore *lc, LinphoneToneID toneid){
4931         if (linphone_core_tone_indications_enabled(lc)){
4932                 MSFilter *f=get_dtmf_gen(lc);
4933                 MSDtmfGenCustomTone def;
4934                 if (f==NULL){
4935                         ms_error("No dtmf generator at this time !");
4936                         return;
4937                 }
4938                 memset(&def,0,sizeof(def));
4939                 def.amplitude=1;
4940                 /*these are french tones, excepted the failed one, which is USA congestion tone (does not exist in France)*/
4941                 switch(toneid){
4942                         case LinphoneToneCallOnHold:
4943                         case LinphoneToneCallWaiting:
4944                                 def.duration=300;
4945                                 def.frequencies[0]=440;
4946                                 def.interval=2000;
4947                         break;
4948                         case LinphoneToneBusy:
4949                                 def.duration=500;
4950                                 def.frequencies[0]=440;
4951                                 def.interval=500;
4952                                 def.repeat_count=3;
4953                         break;
4954                         case LinphoneToneCallFailed:
4955                                 def.duration=250;
4956                                 def.frequencies[0]=480;
4957                                 def.frequencies[0]=620;
4958                                 def.interval=250;
4959                                 def.repeat_count=3;
4960
4961                         break;
4962                         default:
4963                                 ms_warning("Unhandled tone id.");
4964                 }
4965                 if (def.duration>0)
4966                         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4967         }
4968 }
4969
4970 /**
4971  * @ingroup media_parameters
4972  *
4973  * Stops playing a dtmf started by linphone_core_play_dtmf().
4974 **/
4975 void linphone_core_stop_dtmf(LinphoneCore *lc){
4976         MSFilter *f=get_dtmf_gen(lc);
4977         if (f!=NULL)
4978                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4979 }
4980
4981
4982
4983 /**
4984  * Retrieves the user pointer that was given to linphone_core_new()
4985  *
4986  * @ingroup initializing
4987 **/
4988 void *linphone_core_get_user_data(LinphoneCore *lc){
4989         return lc->data;
4990 }
4991
4992
4993 /**
4994  * Associate a user pointer to the linphone core.
4995  *
4996  * @ingroup initializing
4997 **/
4998 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4999         lc->data=userdata;
5000 }
5001
5002 int linphone_core_get_mtu(const LinphoneCore *lc){
5003         return lc->net_conf.mtu;
5004 }
5005
5006 /**
5007  * Sets the maximum transmission unit size in bytes.
5008  * This information is useful for sending RTP packets.
5009  * Default value is 1500.
5010  *
5011  * @ingroup media_parameters
5012 **/
5013 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
5014         lc->net_conf.mtu=mtu;
5015         if (mtu>0){
5016                 if (mtu<500){
5017                         ms_error("MTU too small !");
5018                         mtu=500;
5019                 }
5020                 ms_set_mtu(mtu);
5021                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
5022         }else ms_set_mtu(0);//use mediastreamer2 default value
5023 }
5024
5025 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
5026         lc->wait_cb=cb;
5027         lc->wait_ctx=user_context;
5028 }
5029
5030 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
5031         if (lc->wait_cb){
5032                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
5033         }
5034 }
5035
5036 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
5037         if (lc->wait_cb){
5038                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
5039         }else{
5040 #ifdef WIN32
5041                 Sleep(50000);
5042 #else
5043                 usleep(50000);
5044 #endif
5045         }
5046 }
5047
5048 void linphone_core_stop_waiting(LinphoneCore *lc){
5049         if (lc->wait_cb){
5050                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
5051         }
5052 }
5053
5054 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
5055         lc->rtptf=factories;
5056 }
5057
5058 /**
5059  * Retrieve RTP statistics regarding current call.
5060  * @param local RTP statistics computed locally.
5061  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
5062  *
5063  * @note Remote RTP statistics is not implemented yet.
5064  *
5065  * @returns 0 or -1 if no call is running.
5066 **/
5067
5068 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
5069         LinphoneCall *call=linphone_core_get_current_call (lc);
5070         if (call!=NULL){
5071                 if (call->audiostream!=NULL){
5072                         memset(remote,0,sizeof(*remote));
5073                         audio_stream_get_local_rtp_stats (call->audiostream,local);
5074                         return 0;
5075                 }
5076         }
5077         return -1;
5078 }
5079
5080 void net_config_uninit(LinphoneCore *lc)
5081 {
5082         net_config_t *config=&lc->net_conf;
5083
5084         if (config->stun_server!=NULL){
5085                 ms_free(lc->net_conf.stun_server);
5086         }
5087         if (config->nat_address!=NULL){
5088                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
5089                 ms_free(lc->net_conf.nat_address);
5090         }
5091         if (lc->net_conf.nat_address_ip !=NULL){
5092                 ms_free(lc->net_conf.nat_address_ip);
5093         }
5094         lp_config_set_int(lc->config,"net","mtu",config->mtu);
5095 }
5096
5097
5098 void sip_config_uninit(LinphoneCore *lc)
5099 {
5100         MSList *elem;
5101         int i;
5102         sip_config_t *config=&lc->sip_conf;
5103
5104         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
5105         lp_config_set_string(lc->config,"sip","contact",config->contact);
5106         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
5107         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
5108         lp_config_set_int(lc->config,"sip","delayed_timeout",config->delayed_timeout);
5109         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
5110         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
5111         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
5112         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
5113         lp_config_set_int(lc->config,"sip","register_only_when_upnp_is_ok",config->register_only_when_upnp_is_ok);
5114
5115
5116
5117         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
5118                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
5119                 linphone_proxy_config_edit(cfg);        /* to unregister */
5120         }
5121
5122         for (i=0;i<20;i++){
5123                 sal_iterate(lc->sal);
5124 #ifndef WIN32
5125                 usleep(100000);
5126 #else
5127                 Sleep(100);
5128 #endif
5129         }
5130
5131         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
5132         ms_list_free(config->proxies);
5133         config->proxies=NULL;
5134
5135         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
5136
5137         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
5138         ms_list_free(lc->auth_info);
5139         lc->auth_info=NULL;
5140
5141         sal_uninit(lc->sal);
5142         lc->sal=NULL;
5143
5144         if (lc->sip_conf.guessed_contact)
5145                 ms_free(lc->sip_conf.guessed_contact);
5146         if (config->contact)
5147                 ms_free(config->contact);
5148
5149 }
5150
5151 void rtp_config_uninit(LinphoneCore *lc)
5152 {
5153         rtp_config_t *config=&lc->rtp_conf;
5154         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
5155                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
5156         } else {
5157                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
5158         }
5159         if (config->video_rtp_min_port == config->video_rtp_max_port) {
5160                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
5161         } else {
5162                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
5163         }
5164         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
5165         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
5166         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
5167         lp_config_set_int(lc->config,"rtp","audio_adaptive_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
5168         lp_config_set_int(lc->config,"rtp","video_adaptive_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
5169 }
5170
5171 static void sound_config_uninit(LinphoneCore *lc)
5172 {
5173         sound_config_t *config=&lc->sound_conf;
5174         ms_free(config->cards);
5175
5176         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
5177         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
5178         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
5179
5180         if (config->local_ring) ms_free(config->local_ring);
5181         if (config->remote_ring) ms_free(config->remote_ring);
5182         ms_snd_card_manager_destroy();
5183 }
5184
5185 static void video_config_uninit(LinphoneCore *lc)
5186 {
5187         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
5188         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
5189         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
5190         if (lc->video_conf.cams)
5191                 ms_free(lc->video_conf.cams);
5192 }
5193
5194 void _linphone_core_codec_config_write(LinphoneCore *lc){
5195         if (linphone_core_ready(lc)){
5196                 PayloadType *pt;
5197                 codecs_config_t *config=&lc->codecs_conf;
5198                 MSList *node;
5199                 char key[50];
5200                 int index;
5201                 index=0;
5202                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
5203                         pt=(PayloadType*)(node->data);
5204                         sprintf(key,"audio_codec_%i",index);
5205                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5206                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5207                         lp_config_set_int(lc->config,key,"channels",pt->channels);
5208                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5209                         index++;
5210                 }
5211                 sprintf(key,"audio_codec_%i",index);
5212                 lp_config_clean_section (lc->config,key);
5213
5214                 index=0;
5215                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
5216                         pt=(PayloadType*)(node->data);
5217                         sprintf(key,"video_codec_%i",index);
5218                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5219                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5220                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5221                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
5222                         index++;
5223                 }
5224                 sprintf(key,"video_codec_%i",index);
5225                 lp_config_clean_section (lc->config,key);
5226         }
5227 }
5228
5229 static void codecs_config_uninit(LinphoneCore *lc)
5230 {
5231         _linphone_core_codec_config_write(lc);
5232         ms_list_free(lc->codecs_conf.audio_codecs);
5233         ms_list_free(lc->codecs_conf.video_codecs);
5234 }
5235
5236 void ui_config_uninit(LinphoneCore* lc)
5237 {
5238         if (lc->friends){
5239                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
5240                 ms_list_free(lc->friends);
5241                 lc->friends=NULL;
5242         }
5243 }
5244
5245 /**
5246  * Returns the LpConfig object used to manage the storage (config) file.
5247  *
5248  * @ingroup misc
5249  * The application can use the LpConfig object to insert its own private
5250  * sections and pairs of key=value in the configuration file.
5251  *
5252 **/
5253 LpConfig *linphone_core_get_config(LinphoneCore *lc){
5254         return lc->config;
5255 }
5256
5257 static void linphone_core_uninit(LinphoneCore *lc)
5258 {
5259         linphone_core_free_hooks(lc);
5260         while(lc->calls)
5261         {
5262                 LinphoneCall *the_call = lc->calls->data;
5263                 linphone_core_terminate_call(lc,the_call);
5264                 linphone_core_iterate(lc);
5265 #ifdef WIN32
5266                 Sleep(50000);
5267 #else
5268                 usleep(50000);
5269 #endif
5270         }
5271 #ifdef BUILD_UPNP
5272         if(lc->upnp != NULL) {
5273                 linphone_upnp_context_destroy(lc->upnp);
5274                 lc->upnp = NULL;
5275         }
5276 #endif //BUILD_UPNP
5277
5278         if (lc->friends)
5279                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
5280         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
5281 #ifdef VIDEO_ENABLED
5282         if (lc->previewstream!=NULL){
5283                 video_preview_stop(lc->previewstream);
5284                 lc->previewstream=NULL;
5285         }
5286 #endif
5287         ms_event_queue_destroy(lc->msevq);
5288         lc->msevq=NULL;
5289         /* save all config */
5290         net_config_uninit(lc);
5291         rtp_config_uninit(lc);
5292         if (lc->ringstream) ring_stop(lc->ringstream);
5293         sound_config_uninit(lc);
5294         video_config_uninit(lc);
5295         codecs_config_uninit(lc);
5296         ui_config_uninit(lc);
5297         sip_config_uninit(lc);
5298         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
5299         lp_config_destroy(lc->config);
5300         lc->config = NULL; /* Mark the config as NULL to block further calls */
5301         sip_setup_unregister_all();
5302
5303         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
5304         lc->call_logs=ms_list_free(lc->call_logs);
5305
5306         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
5307         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
5308
5309         // Free struct variable
5310         if(lc->zrtp_secrets_cache != NULL) {
5311                 ms_free(lc->zrtp_secrets_cache);
5312         }
5313         if(lc->play_file!=NULL){
5314                 ms_free(lc->play_file);
5315         }
5316         if(lc->rec_file!=NULL){
5317                 ms_free(lc->rec_file);
5318         }
5319
5320         linphone_core_free_payload_types(lc);
5321
5322         linphone_core_message_storage_close(lc);
5323         ortp_exit();
5324         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
5325 #ifdef TUNNEL_ENABLED
5326         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
5327 #endif
5328 }
5329
5330 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
5331         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
5332         // second get the list of available proxies
5333         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5334         for(;elem!=NULL;elem=elem->next){
5335                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5336                 if (linphone_proxy_config_register_enabled(cfg) ) {
5337                         if (!isReachable) {
5338                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
5339                         }else{
5340                                 cfg->commit=TRUE;
5341                         }
5342                 }
5343         }
5344         lc->netup_time=curtime;
5345         lc->network_reachable=isReachable;
5346
5347         if(!isReachable) {
5348                 sal_reset_transports(lc->sal);
5349         }
5350 #ifdef BUILD_UPNP
5351         if(lc->upnp == NULL) {
5352                 if(isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5353                         lc->upnp = linphone_upnp_context_new(lc);
5354                 }
5355         } else {
5356                 if(!isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5357                         linphone_upnp_context_destroy(lc->upnp);
5358                         lc->upnp = NULL;
5359                 }
5360         }
5361 #endif
5362 }
5363
5364 void linphone_core_refresh_registers(LinphoneCore* lc) {
5365         const MSList *elem;
5366         if (!lc->network_reachable) {
5367                 ms_warning("Refresh register operation not available (network unreachable)");
5368                 return;
5369         }
5370         elem=linphone_core_get_proxy_config_list(lc);
5371         for(;elem!=NULL;elem=elem->next){
5372                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5373                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
5374                         linphone_proxy_config_refresh_register(cfg);
5375                 }
5376         }
5377 }
5378
5379 void __linphone_core_invalidate_registers(LinphoneCore* lc){
5380         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5381         for(;elem!=NULL;elem=elem->next){
5382                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5383                 if (linphone_proxy_config_register_enabled(cfg)) {
5384                         linphone_proxy_config_edit(cfg);
5385                         linphone_proxy_config_done(cfg);
5386                 }
5387         }
5388 }
5389
5390 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5391         //first disable automatic mode
5392         if (lc->auto_net_state_mon) {
5393                 ms_message("Disabling automatic network state monitoring");
5394                 lc->auto_net_state_mon=FALSE;
5395         }
5396         set_network_reachable(lc,isReachable, ms_time(NULL));
5397 }
5398
5399 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5400         return lc->network_reachable;
5401 }
5402 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5403         return sal_get_socket(lc->sal);
5404 }
5405 /**
5406  * Destroys a LinphoneCore
5407  *
5408  * @ingroup initializing
5409 **/
5410 void linphone_core_destroy(LinphoneCore *lc){
5411         linphone_core_uninit(lc);
5412         ms_free(lc);
5413 }
5414 /**
5415  * Get the number of Call
5416  *
5417  * @ingroup call_control
5418 **/
5419 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5420         return  ms_list_size(lc->calls);;
5421 }
5422
5423 /**
5424  * Check if we do not have exceed the number of simultaneous call
5425  *
5426  * @ingroup call_control
5427 **/
5428 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5429 {
5430         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5431                 return TRUE;
5432         ms_message("Maximum amount of simultaneous calls reached !");
5433         return FALSE;
5434 }
5435
5436
5437 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5438 {
5439         if(linphone_core_can_we_add_call(lc))
5440         {
5441                 lc->calls = ms_list_append(lc->calls,call);
5442                 return 0;
5443         }
5444         return -1;
5445 }
5446
5447 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5448 {
5449         MSList *it;
5450         MSList *the_calls = lc->calls;
5451
5452         it=ms_list_find(the_calls,call);
5453         if (it)
5454         {
5455                 the_calls = ms_list_remove_link(the_calls,it);
5456         }
5457         else
5458         {
5459                 ms_warning("could not find the call into the list\n");
5460                 return -1;
5461         }
5462         lc->calls = the_calls;
5463         return 0;
5464 }
5465
5466 /**
5467  * Specifiies a ring back tone to be played to far end during incoming calls.
5468 **/
5469 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5470         if (lc->sound_conf.ringback_tone){
5471                 ms_free(lc->sound_conf.ringback_tone);
5472                 lc->sound_conf.ringback_tone=NULL;
5473         }
5474         if (file)
5475                 lc->sound_conf.ringback_tone=ms_strdup(file);
5476 }
5477
5478 /**
5479  * Returns the ring back tone played to far end during incoming calls.
5480 **/
5481 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5482         return lc->sound_conf.ringback_tone;
5483 }
5484
5485 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5486         const MSList *elem;
5487         for(elem=from;elem!=NULL;elem=elem->next){
5488                 PayloadType *pt=(PayloadType*)elem->data;
5489                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5490                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5491                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5492                         return pt;
5493                 }
5494         }
5495         return NULL;
5496 }
5497
5498
5499 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5500         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5501         if (result)  {
5502                 return result;
5503         } else {
5504                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5505                 if (result) {
5506                         return result;
5507                 }
5508         }
5509         /*not found*/
5510         return NULL;
5511 }
5512
5513 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5514         switch(gs){
5515                 case LinphoneGlobalOff:
5516                         return "LinphoneGlobalOff";
5517                 break;
5518                 case LinphoneGlobalOn:
5519                         return "LinphoneGlobalOn";
5520                 break;
5521                 case LinphoneGlobalStartup:
5522                         return "LinphoneGlobalStartup";
5523                 break;
5524                 case LinphoneGlobalShutdown:
5525                         return "LinphoneGlobalShutdown";
5526                 break;
5527         }
5528         return NULL;
5529 }
5530
5531 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5532         return lc->state;
5533 }
5534
5535 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5536         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5537         linphone_core_init_default_params(lc, p);
5538         return p;
5539 }
5540
5541 const char *linphone_reason_to_string(LinphoneReason err){
5542         switch(err){
5543                 case LinphoneReasonNone:
5544                         return "No error";
5545                 case LinphoneReasonNoResponse:
5546                         return "No response";
5547                 case LinphoneReasonBadCredentials:
5548                         return "Bad credentials";
5549                 case LinphoneReasonDeclined:
5550                         return "Call declined";
5551                 case LinphoneReasonNotFound:
5552                         return "User not found";
5553                 case LinphoneReasonNotAnswered:
5554                         return "Not answered";
5555                 case LinphoneReasonBusy:
5556                         return "Busy";
5557         }
5558         return "unknown error";
5559 }
5560
5561 const char *linphone_error_to_string(LinphoneReason err){
5562         return linphone_reason_to_string(err);
5563 }
5564 /**
5565  * Enables signaling keep alive
5566  */
5567 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5568 #ifdef BUILD_UPNP
5569         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp) {
5570                 enable = FALSE;
5571         }
5572 #endif //BUILD_UPNP
5573         if (enable > 0) {
5574                 sal_use_tcp_tls_keepalive(lc->sal,lc->sip_conf.tcp_tls_keepalive);
5575                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5576         } else {
5577                 sal_set_keepalive_period(lc->sal,0);
5578         }
5579 }
5580 /**
5581  * Is signaling keep alive enabled
5582  */
5583 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5584         return sal_get_keepalive_period(lc->sal) > 0;
5585 }
5586
5587 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5588         get_dtmf_gen(lc); /*make sure ring stream is started*/
5589         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5590 }
5591
5592 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5593         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5594                 ring_stop(lc->ringstream);
5595                 lc->ringstream=NULL;
5596         }
5597 }
5598
5599 int linphone_core_get_max_calls(LinphoneCore *lc) {
5600         return lc->max_calls;
5601 }
5602 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5603         lc->max_calls=max;
5604 }
5605
5606 typedef struct Hook{
5607         LinphoneCoreIterateHook fun;
5608         void *data;
5609 }Hook;
5610
5611 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5612         Hook *h=ms_new(Hook,1);
5613         h->fun=hook;
5614         h->data=hook_data;
5615         return h;
5616 }
5617
5618 static void hook_invoke(Hook *h){
5619         h->fun(h->data);
5620 }
5621
5622 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5623         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5624 }
5625
5626 static void linphone_core_run_hooks(LinphoneCore *lc){
5627         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5628 }
5629
5630 static void linphone_core_free_hooks(LinphoneCore *lc){
5631         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5632         ms_list_free(lc->hooks);
5633         lc->hooks=NULL;
5634 }
5635
5636 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5637         MSList *elem;
5638         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5639                 Hook *h=(Hook*)elem->data;
5640                 if (h->fun==hook && h->data==hook_data){
5641                         lc->hooks = ms_list_remove_link(lc->hooks,elem);
5642                         ms_free(h);
5643                         return;
5644                 }
5645         }
5646         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5647 }
5648
5649 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5650         if (lc->zrtp_secrets_cache != NULL) {
5651                 ms_free(lc->zrtp_secrets_cache);
5652         }
5653         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5654 }
5655
5656 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5657         return lc->zrtp_secrets_cache;
5658 }
5659
5660 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5661         if (uri == NULL) return NULL;
5662         MSList *calls=lc->calls;
5663         while(calls) {
5664                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5665                 calls=calls->next;
5666                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5667                 char *current_uri=linphone_address_as_string_uri_only(address);
5668                 if (strcmp(uri,current_uri)==0) {
5669                         ms_free(current_uri);
5670                         return c;
5671                 } else {
5672                         ms_free(current_uri);
5673                 }
5674         }
5675         return NULL;
5676 }
5677
5678
5679 /**
5680  * Check if a call will need the sound resources.
5681  *
5682  * @ingroup call_control
5683  * @param lc The LinphoneCore
5684 **/
5685 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5686         MSList *calls=lc->calls;
5687         while(calls) {
5688                 LinphoneCall *c=(LinphoneCall*)calls->data;
5689                 calls=calls->next;
5690                 switch (c->state) {
5691                         case LinphoneCallOutgoingInit:
5692                         case LinphoneCallOutgoingProgress:
5693                         case LinphoneCallOutgoingRinging:
5694                         case LinphoneCallOutgoingEarlyMedia:
5695                         case LinphoneCallConnected:
5696                         case LinphoneCallRefered:
5697                         case LinphoneCallIncomingEarlyMedia:
5698                         case LinphoneCallUpdating:
5699                                 return TRUE;
5700                         default:
5701                                 break;
5702                 }
5703         }
5704         return FALSE;
5705 }
5706
5707 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5708         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5709 }
5710
5711 /**
5712  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5713 **/
5714 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5715         switch(menc){
5716                 case LinphoneMediaEncryptionSRTP:
5717                         return ortp_srtp_supported();
5718                 case LinphoneMediaEncryptionZRTP:
5719                         return ortp_zrtp_available();
5720                 case LinphoneMediaEncryptionNone:
5721                         return TRUE;
5722         }
5723         return FALSE;
5724 }
5725
5726 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5727         const char *type="none";
5728         int ret=0;
5729         if (menc == LinphoneMediaEncryptionSRTP){
5730                 if (!ortp_srtp_supported()){
5731                         ms_warning("SRTP not supported by library.");
5732                         type="none";
5733                         ret=-1;
5734                 }else type="srtp";
5735         }else if (menc == LinphoneMediaEncryptionZRTP){
5736                 if (!ortp_zrtp_available()){
5737                         ms_warning("ZRTP not supported by library.");
5738                         type="none";
5739                         ret=-1;
5740                 }else type="zrtp";
5741         }
5742         lp_config_set_string(lc->config,"sip","media_encryption",type);
5743         return ret;
5744 }
5745
5746 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5747         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5748
5749         if (menc == NULL)
5750                 return LinphoneMediaEncryptionNone;
5751         else if (strcmp(menc, "srtp")==0)
5752                 return LinphoneMediaEncryptionSRTP;
5753         else if (strcmp(menc, "zrtp")==0)
5754                 return LinphoneMediaEncryptionZRTP;
5755         else
5756                 return LinphoneMediaEncryptionNone;
5757 }
5758
5759 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5760         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5761 }
5762
5763 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5764         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5765 }
5766
5767 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5768         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5769         params->media_encryption=linphone_core_get_media_encryption(lc);
5770         params->in_conference=FALSE;
5771 }
5772
5773 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5774         if (lc->device_id) ms_free(lc->device_id);
5775         lc->device_id=ms_strdup(device_id);
5776 }
5777 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5778         return lc->device_id;
5779 }
5780
5781 /**
5782  * Set the DSCP field for SIP signaling channel.
5783  *
5784  * @ingroup network_parameters
5785  * * The DSCP defines the quality of service in IP packets.
5786  *
5787 **/
5788 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5789         sal_set_dscp(lc->sal,dscp);
5790         if (linphone_core_ready(lc)){
5791                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5792                 apply_transports(lc);
5793         }
5794 }
5795
5796 /**
5797  * Get the DSCP field for SIP signaling channel.
5798  *
5799  * @ingroup network_parameters
5800  * * The DSCP defines the quality of service in IP packets.
5801  *
5802 **/
5803 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5804         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5805 }
5806
5807 /**
5808  * Set the DSCP field for outgoing audio streams.
5809  *
5810  * @ingroup network_parameters
5811  * The DSCP defines the quality of service in IP packets.
5812  *
5813 **/
5814 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5815         if (linphone_core_ready(lc))
5816                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5817 }
5818
5819 /**
5820  * Get the DSCP field for outgoing audio streams.
5821  *
5822  * @ingroup network_parameters
5823  * The DSCP defines the quality of service in IP packets.
5824  *
5825 **/
5826 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5827         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5828 }
5829
5830 /**
5831  * Set the DSCP field for outgoing video streams.
5832  *
5833  * @ingroup network_parameters
5834  * The DSCP defines the quality of service in IP packets.
5835  *
5836 **/
5837 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5838         if (linphone_core_ready(lc))
5839                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5840
5841 }
5842
5843 /**
5844  * Get the DSCP field for outgoing video streams.
5845  *
5846  * @ingroup network_parameters
5847  * The DSCP defines the quality of service in IP packets.
5848  *
5849 **/
5850 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5851         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5852 }
5853
5854
5855 /**
5856  * Sets the database filename where chat messages will be stored.
5857  * If the file does not exist, it will be created.
5858  * @ingroup initializing
5859  * @param lc the linphone core
5860  * @param path filesystem path
5861 **/
5862 void linphone_core_set_chat_database_path(LinphoneCore *lc, const char *path){
5863         if (lc->chat_db_file){
5864                 ms_free(lc->chat_db_file);
5865                 lc->chat_db_file=NULL;
5866         }
5867         if (path) {
5868                 lc->chat_db_file=ms_strdup(path);
5869                 linphone_core_message_storage_init(lc);
5870         }
5871 }
5872
5873