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