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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68
  69 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95         return strftime(s, max, fmt, tm);
  96 }
  97
  98 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  99         struct tm loctime;
 100 #ifdef WIN32
 101 #if !defined(_WIN32_WCE)
 102         loctime=*localtime(&start_time);
 103         /*FIXME*/
 104 #endif /*_WIN32_WCE*/
 105 #else
 106         localtime_r(&start_time,&loctime);
 107 #endif
 108         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 109 }
 110
 111 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 112         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 113         cl->dir=call->dir;
 114         cl->start_date_time=call->start_time;
 115         set_call_log_date(cl,cl->start_date_time);
 116         cl->from=from;
 117         cl->to=to;
 118         cl->status=LinphoneCallAborted; /*default status*/
 119         cl->quality=-1;
 120         return cl;
 121 }
 122
 123 void call_logs_write_to_config_file(LinphoneCore *lc){
 124         MSList *elem;
 125         char logsection[32];
 126         int i;
 127         char *tmp;
 128         LpConfig *cfg=lc->config;
 129
 130         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 131
 132         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 133                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 134                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 135                 lp_config_clean_section(cfg,logsection);
 136                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 137                 lp_config_set_int(cfg,logsection,"status",cl->status);
 138                 tmp=linphone_address_as_string(cl->from);
 139                 lp_config_set_string(cfg,logsection,"from",tmp);
 140                 ms_free(tmp);
 141                 tmp=linphone_address_as_string(cl->to);
 142                 lp_config_set_string(cfg,logsection,"to",tmp);
 143                 ms_free(tmp);
 144                 if (cl->start_date_time)
 145                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 146                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 147                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 148                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 149                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 150                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 151                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 152         }
 153         for(;i<lc->max_call_logs;++i){
 154                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 155                 lp_config_clean_section(cfg,logsection);
 156         }
 157 }
 158
 159 static time_t string_to_time(const char *date){
 160 #ifndef WIN32
 161         struct tm tmtime={0};
 162         strptime(date,"%c",&tmtime);
 163         return mktime(&tmtime);
 164 #else
 165         return 0;
 166 #endif
 167 }
 168
 169 static void call_logs_read_from_config_file(LinphoneCore *lc){
 170         char logsection[32];
 171         int i;
 172         const char *tmp;
 173         uint64_t sec;
 174         LpConfig *cfg=lc->config;
 175         for(i=0;;++i){
 176                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 177                 if (lp_config_has_section(cfg,logsection)){
 178                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 179                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 180                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 181                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 182                         if (tmp) cl->from=linphone_address_new(tmp);
 183                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 184                         if (tmp) cl->to=linphone_address_new(tmp);
 185                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 186                         if (sec) {
 187                                 /*new call log format with date expressed in seconds */
 188                                 cl->start_date_time=(time_t)sec;
 189                                 set_call_log_date(cl,cl->start_date_time);
 190                         }else{
 191                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 192                                 if (tmp) {
 193                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 194                                         cl->start_date_time=string_to_time(cl->start_date);
 195                                 }
 196                         }
 197                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 198                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 199                         if (tmp) cl->refkey=ms_strdup(tmp);
 200                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 201                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"call_id",NULL);
 203                         if (tmp) cl->call_id=ms_strdup(tmp);
 204                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 205                 }else break;
 206         }
 207 }
 208
 209
 210
 211 /**
 212  * @addtogroup call_logs
 213  * @{
 214 **/
 215
 216 /**
 217  * Returns a human readable string describing the call.
 218  *
 219  * @note: the returned char* must be freed by the application (use ms_free()).
 220 **/
 221 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 222         char *status;
 223         char *tmp;
 224         char *from=linphone_address_as_string (cl->from);
 225         char *to=linphone_address_as_string (cl->to);
 226         switch(cl->status){
 227                 case LinphoneCallAborted:
 228                         status=_("aborted");
 229                         break;
 230                 case LinphoneCallSuccess:
 231                         status=_("completed");
 232                         break;
 233                 case LinphoneCallMissed:
 234                         status=_("missed");
 235                         break;
 236                 default:
 237                         status="unknown";
 238         }
 239         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 240                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 241                         cl->start_date,
 242                         from,
 243                         to,
 244                         status,
 245                         cl->duration/60,
 246                         cl->duration%60);
 247         ms_free(from);
 248         ms_free(to);
 249         return tmp;
 250 }
 251
 252 /**
 253  * Returns RTP statistics computed locally regarding the call.
 254  *
 255 **/
 256 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 257         return &cl->local_stats;
 258 }
 259
 260 /**
 261  * Returns RTP statistics computed by remote end and sent back via RTCP.
 262  *
 263  * @note Not implemented yet.
 264 **/
 265 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 266         return &cl->remote_stats;
 267 }
 268
 269 const char *linphone_call_log_get_call_id(const LinphoneCallLog *cl){
 270         return cl->call_id;
 271 }
 272
 273 /**
 274  * Assign a user pointer to the call log.
 275 **/
 276 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 277         cl->user_pointer=up;
 278 }
 279
 280 /**
 281  * Returns the user pointer associated with the call log.
 282 **/
 283 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 284         return cl->user_pointer;
 285 }
 286
 287
 288
 289 /**
 290  * Associate a persistent reference key to the call log.
 291  *
 292  * The reference key can be for example an id to an external database.
 293  * It is stored in the config file, thus can survive to process exits/restarts.
 294  *
 295 **/
 296 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 297         if (cl->refkey!=NULL){
 298                 ms_free(cl->refkey);
 299                 cl->refkey=NULL;
 300         }
 301         if (refkey) cl->refkey=ms_strdup(refkey);
 302 }
 303
 304 /**
 305  * Get the persistent reference key associated to the call log.
 306  *
 307  * The reference key can be for example an id to an external database.
 308  * It is stored in the config file, thus can survive to process exits/restarts.
 309  *
 310 **/
 311 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 312         return cl->refkey;
 313 }
 314
 315 /**
 316  * Returns origin (ie from) address of the call.
 317 **/
 318 LinphoneAddress *linphone_call_log_get_from(LinphoneCallLog *cl){
 319         return cl->from;
 320 }
 321
 322 /**
 323  * Returns destination address (ie to) of the call.
 324 **/
 325 LinphoneAddress *linphone_call_log_get_to(LinphoneCallLog *cl){
 326         return cl->to;
 327 }
 328
 329 /**
 330  * Returns remote address (that is from or to depending on call direction).
 331 **/
 332 LinphoneAddress *linphone_call_log_get_remote_address(LinphoneCallLog *cl){
 333         return (cl->dir == LinphoneCallIncoming) ? cl->from : cl->to;
 334 }
 335
 336 /**
 337  * Returns the direction of the call.
 338 **/
 339 LinphoneCallDir linphone_call_log_get_dir(LinphoneCallLog *cl){
 340         return cl->dir;
 341 }
 342
 343 /**
 344  * Returns the status of the call.
 345 **/
 346 LinphoneCallStatus linphone_call_log_get_status(LinphoneCallLog *cl){
 347         return cl->status;
 348 }
 349
 350 /**
 351  * Returns the start date of the call, expressed as a POSIX time_t.
 352 **/
 353 time_t linphone_call_log_get_start_date(LinphoneCallLog *cl){
 354         return cl->start_date_time;
 355 }
 356
 357 /**
 358  * Returns duration of the call.
 359 **/
 360 int linphone_call_log_get_duration(LinphoneCallLog *cl){
 361         return cl->duration;
 362 }
 363
 364 /**
 365  * Returns overall quality indication of the call.
 366 **/
 367 float linphone_call_log_get_quality(LinphoneCallLog *cl){
 368         return cl->quality;
 369 }
 370 /**
 371  * return true if video was enabled at the end of the call
 372  */
 373 LinphoneCallStatus linphone_call_log_video_enabled(LinphoneCallLog *cl) {
 374         return cl->video_enabled;
 375 }
 376 /** @} */
 377
 378 void linphone_call_log_destroy(LinphoneCallLog *cl){
 379         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 380         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 381         if (cl->refkey!=NULL) ms_free(cl->refkey);
 382         if (cl->call_id) ms_free(cl->call_id);
 383         ms_free(cl);
 384 }
 385
 386 /**
 387  * Returns TRUE if the LinphoneCall asked to autoanswer
 388  *
 389 **/
 390 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 391         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 392         if(call)
 393                 return sal_call_autoanswer_asked(call->op);
 394         else
 395                 return FALSE;
 396 }
 397
 398 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 399         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 400         if (call)  return linphone_call_get_duration(call);
 401         return -1;
 402 }
 403
 404 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 405         LinphoneCall *call=linphone_core_get_current_call(lc);
 406         if (call==NULL) return NULL;
 407         return linphone_call_get_remote_address(call);
 408 }
 409
 410 void linphone_core_set_log_handler(OrtpLogFunc logfunc) {
 411         ortp_set_log_handler(logfunc);
 412 }
 413
 414 void linphone_core_set_log_file(FILE *file) {
 415         if (file == NULL) file = stdout;
 416         ortp_set_log_file(file);
 417 }
 418
 419 void linphone_core_set_log_level(OrtpLogLevel loglevel) {
 420         ortp_set_log_level_mask(loglevel);
 421 }
 422
 423 /**
 424  * Enable logs in supplied FILE*.
 425  *
 426  * @ingroup misc
 427  * @deprecated Use #linphone_core_set_log_file and #linphone_core_set_log_level instead.
 428  *
 429  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 430  *
 431 **/
 432 void linphone_core_enable_logs(FILE *file){
 433         if (file==NULL) file=stdout;
 434         ortp_set_log_file(file);
 435         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 436 }
 437
 438 /**
 439  * Enable logs through the user's supplied log callback.
 440  *
 441  * @ingroup misc
 442  * @deprecated Use #linphone_core_set_log_handler and #linphone_core_set_log_level instead.
 443  *
 444  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 445  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 446  *
 447 **/
 448 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 449         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 450         ortp_set_log_handler(logfunc);
 451 }
 452
 453 /**
 454  * Entirely disable logging.
 455  *
 456  * @ingroup misc
 457  * @deprecated Use #linphone_core_set_log_level instead.
 458 **/
 459 void linphone_core_disable_logs(){
 460         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 461 }
 462
 463
 464 static void net_config_read (LinphoneCore *lc)
 465 {
 466         int tmp;
 467         const char *tmpstr;
 468         LpConfig *config=lc->config;
 469
 470         lc->net_conf.nat_address_ip = NULL;
 471         tmp=lp_config_get_int(config,"net","download_bw",0);
 472         linphone_core_set_download_bandwidth(lc,tmp);
 473         tmp=lp_config_get_int(config,"net","upload_bw",0);
 474         linphone_core_set_upload_bandwidth(lc,tmp);
 475         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 476         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 477         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 478         linphone_core_set_nat_address(lc,tmpstr);
 479         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 480         linphone_core_set_firewall_policy(lc,tmp);
 481         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 482         lc->net_conf.nat_sdp_only=tmp;
 483         tmp=lp_config_get_int(lc->config,"net","mtu",1300);
 484         linphone_core_set_mtu(lc,tmp);
 485         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 486         linphone_core_set_download_ptime(lc,tmp);
 487
 488 }
 489
 490 static void build_sound_devices_table(LinphoneCore *lc){
 491         const char **devices;
 492         const char **old;
 493         int ndev;
 494         int i;
 495         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 496         ndev=ms_list_size(elem);
 497         devices=ms_malloc((ndev+1)*sizeof(const char *));
 498         for (i=0;elem!=NULL;elem=elem->next,i++){
 499                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 500         }
 501         devices[ndev]=NULL;
 502         old=lc->sound_conf.cards;
 503         lc->sound_conf.cards=devices;
 504         if (old!=NULL) ms_free(old);
 505 }
 506
 507 static void sound_config_read(LinphoneCore *lc)
 508 {
 509         int tmp;
 510         const char *tmpbuf;
 511         const char *devid;
 512 #ifdef __linux
 513         /*alsadev let the user use custom alsa device within linphone*/
 514         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 515         if (devid){
 516                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 517                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 518         }
 519         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 520         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 521 #endif
 522         /* retrieve all sound devices */
 523         build_sound_devices_table(lc);
 524
 525         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 526         linphone_core_set_playback_device(lc,devid);
 527
 528         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 529         linphone_core_set_ringer_device(lc,devid);
 530
 531         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 532         linphone_core_set_capture_device(lc,devid);
 533
 534 /*
 535         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 536         linphone_core_set_play_level(lc,tmp);
 537         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 538         linphone_core_set_ring_level(lc,tmp);
 539         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 540         linphone_core_set_rec_level(lc,tmp);
 541         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 542         linphone_core_set_sound_source(lc,tmpbuf[0]);
 543 */
 544
 545         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 546         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 547         if (ortp_file_exist(tmpbuf)==-1) {
 548                 ms_warning("%s does not exist",tmpbuf);
 549                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 550         }
 551         if (strstr(tmpbuf,".wav")==NULL){
 552                 /* it currently uses old sound files, so replace them */
 553                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 554         }
 555         linphone_core_set_ring(lc,tmpbuf);
 556
 557         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 558         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 559         if (ortp_file_exist(tmpbuf)==-1){
 560                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 561         }
 562         if (strstr(tmpbuf,".wav")==NULL){
 563                 /* it currently uses old sound files, so replace them */
 564                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 565         }
 566         linphone_core_set_ringback(lc,tmpbuf);
 567
 568         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 569         check_sound_device(lc);
 570         lc->sound_conf.latency=0;
 571 #ifndef __ios
 572         tmp=TRUE;
 573 #else
 574         tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 575 #endif
 576         tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 577         linphone_core_enable_echo_cancellation(lc,tmp);
 578         linphone_core_enable_echo_limiter(lc,
 579                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 580         linphone_core_enable_agc(lc,
 581                 lp_config_get_int(lc->config,"sound","agc",0));
 582
 583         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 584         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 585
 586         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 587
 588         /*just parse requested stream feature once at start to print out eventual errors*/
 589         linphone_core_get_audio_features(lc);
 590 }
 591
 592 static void sip_config_read(LinphoneCore *lc)
 593 {
 594         char *contact;
 595         const char *tmpstr;
 596         LCSipTransports tr;
 597         int i,tmp;
 598         int ipv6;
 599         int random_port;
 600
 601         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 602                 sal_use_session_timers(lc->sal,200);
 603         }
 604
 605         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 606         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 607         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 608         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 609
 610         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 611         if (ipv6==-1){
 612                 ipv6=0;
 613         }
 614         linphone_core_enable_ipv6(lc,ipv6);
 615         memset(&tr,0,sizeof(tr));
 616
 617         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 618         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 619         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 620
 621         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 622                 random_port=(0xDFFF&random())+1024;
 623         else random_port=0;
 624
 625         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 626                 tr.udp_port=5060;
 627         }
 628
 629         if (tr.udp_port>0 && random_port){
 630                 tr.udp_port=random_port;
 631                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 632         }else if (tr.tcp_port>0 && random_port){
 633                 tr.tcp_port=random_port;
 634                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 635         }else if (tr.tls_port>0 && random_port){
 636                 tr.tls_port=random_port;
 637                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 638         }
 639
 640 #ifdef __linux
 641         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 642 #else
 643         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 644 #endif
 645         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 646         linphone_core_verify_server_cn(lc,lp_config_get_int(lc->config,"sip","verify_server_cn",TRUE));
 647         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 648         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 649         /*start listening on ports*/
 650         linphone_core_set_sip_transports(lc,&tr);
 651
 652         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 653         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 654                 const char *hostname=NULL;
 655                 const char *username=NULL;
 656 #ifdef HAVE_GETENV
 657                 hostname=getenv("HOST");
 658                 username=getenv("USER");
 659                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 660 #endif /*HAVE_GETENV*/
 661                 if (hostname==NULL)
 662                         hostname="unknown-host";
 663                 if (username==NULL){
 664                         username="toto";
 665                 }
 666                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 667                 linphone_core_set_primary_contact(lc,contact);
 668                 ms_free(contact);
 669         }
 670
 671         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 672         linphone_core_set_guess_hostname(lc,tmp);
 673
 674
 675         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 676         linphone_core_set_inc_timeout(lc,tmp);
 677
 678         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 679         linphone_core_set_in_call_timeout(lc,tmp);
 680
 681         tmp=lp_config_get_int(lc->config,"sip","delayed_timeout",4);
 682         linphone_core_set_delayed_timeout(lc,tmp);
 683
 684         /* get proxies config */
 685         for(i=0;; i++){
 686                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 687                 if (cfg!=NULL){
 688                         linphone_core_add_proxy_config(lc,cfg);
 689                 }else{
 690                         break;
 691                 }
 692         }
 693         /* get the default proxy */
 694         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 695         linphone_core_set_default_proxy_index(lc,tmp);
 696
 697         /* read authentication information */
 698         for(i=0;; i++){
 699                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 700                 if (ai!=NULL){
 701                         linphone_core_add_auth_info(lc,ai);
 702                         linphone_auth_info_destroy(ai);
 703                 }else{
 704                         break;
 705                 }
 706         }
 707         /*this is to filter out unsupported encryption schemes*/
 708         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 709
 710         /*for tuning or test*/
 711         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 712         lc->sip_conf.register_only_when_network_is_up=
 713                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 714         lc->sip_conf.register_only_when_upnp_is_ok=
 715                 lp_config_get_int(lc->config,"sip","register_only_when_upnp_is_ok",1);
 716         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 717         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 718         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 719         lc->sip_conf.tcp_tls_keepalive=lp_config_get_int(lc->config,"sip","tcp_tls_keepalive",0);
 720         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
 721         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 722         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 723         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 724 }
 725
 726 static void rtp_config_read(LinphoneCore *lc)
 727 {
 728         int min_port, max_port;
 729         int jitt_comp;
 730         int nortp_timeout;
 731         bool_t rtp_no_xmit_on_audio_mute;
 732         bool_t adaptive_jitt_comp_enabled;
 733
 734         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 735                 if (min_port <= 0) min_port = 1;
 736                 if (max_port > 65535) max_port = 65535;
 737                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 738         } else {
 739                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 740                 linphone_core_set_audio_port(lc, min_port);
 741         }
 742
 743         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 744                 if (min_port <= 0) min_port = 1;
 745                 if (max_port > 65535) max_port = 65535;
 746                 linphone_core_set_video_port_range(lc, min_port, max_port);
 747         } else {
 748                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 749                 linphone_core_set_video_port(lc, min_port);
 750         }
 751
 752         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 753         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 754         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 755         if (jitt_comp==0) jitt_comp=60;
 756         linphone_core_set_video_jittcomp(lc,jitt_comp);
 757         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 758         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 759         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 760         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 761         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 762         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 763         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 764         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 765         lc->rtp_conf.disable_upnp = lp_config_get_int(lc->config, "rtp", "disable_upnp", FALSE);
 766 }
 767
 768 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 769         PayloadType *candidate=NULL;
 770         int i;
 771         PayloadType *it;
 772         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 773                 it=rtp_profile_get_payload(prof,i);
 774                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 775                         && (clock_rate==it->clock_rate || clock_rate<=0)
 776                         && (channels==it->channels || channels<=0) ){
 777                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 778                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 779                                 /*exact match*/
 780                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 781                                 return it;
 782                         }else {
 783                                 if (candidate){
 784                                         if (it->recv_fmtp==NULL) candidate=it;
 785                                 }else candidate=it;
 786                         }
 787                 }
 788         }
 789         if (candidate && recv_fmtp){
 790                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 791         }
 792         return candidate;
 793 }
 794
 795 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 796         char codeckey[50];
 797         const char *mime,*fmtp;
 798         int rate,channels,enabled;
 799         PayloadType *pt;
 800         LpConfig *config=lc->config;
 801
 802         *ret=NULL;
 803         snprintf(codeckey,50,"%s_%i",type,index);
 804         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 805         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 806
 807         rate=lp_config_get_int(config,codeckey,"rate",8000);
 808         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 809         channels=lp_config_get_int(config,codeckey,"channels",0);
 810         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 811         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 812         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 813         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 814         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 815                         mime,rate,fmtp ? fmtp : "");
 816         *ret=pt;
 817         return TRUE;
 818 }
 819
 820 #define RANK_END 10000
 821
 822 typedef struct codec_desc{
 823         const char *name;
 824         int rate;
 825 }codec_desc_t;
 826
 827 static codec_desc_t codec_pref_order[]={
 828         {"SILK", 16000},
 829         {"speex", 16000},
 830         {"speex", 8000},
 831         {"pcmu",8000},
 832         {"pcma",8000},
 833         {"VP8",90000},
 834         {"H264",90000},
 835         {"MP4V-ES",90000},
 836         {NULL,0}
 837 };
 838
 839 static int find_codec_rank(const char *mime, int clock_rate){
 840         int i;
 841         for(i=0;codec_pref_order[i].name!=NULL;++i){
 842                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 843                         return i;
 844         }
 845         return RANK_END;
 846 }
 847
 848 static int codec_compare(const PayloadType *a, const PayloadType *b){
 849         int ra,rb;
 850         ra=find_codec_rank(a->mime_type,a->clock_rate);
 851         rb=find_codec_rank(b->mime_type,b->clock_rate);
 852         if (ra>rb) return 1;
 853         if (ra<rb) return -1;
 854         return 0;
 855 }
 856
 857 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 858         int i;
 859         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 860                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 861                 if (pt){
 862                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 863                                 pt=NULL;
 864                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 865                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 866                                 pt=NULL;
 867                         }
 868                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 869                                 if (ms_list_find(l,pt)==NULL){
 870                                         /*unranked codecs are disabled by default*/
 871                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 872                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 873                                         }
 874                                         ms_message("Adding new codec %s/%i with fmtp %s",
 875                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 876                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 877                                 }
 878                         }
 879                 }
 880         }
 881         return l;
 882 }
 883
 884 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 885         MSList *elem;
 886         for (elem=l;elem!=NULL;elem=elem->next){
 887                 PayloadType *ept=(PayloadType*)elem->data;
 888                 if (pt==ept)
 889                         return l;
 890         }
 891         l=ms_list_append(l,pt);
 892         return l;
 893 }
 894
 895 static void codecs_config_read(LinphoneCore *lc)
 896 {
 897         int i;
 898         PayloadType *pt;
 899         MSList *audio_codecs=NULL;
 900         MSList *video_codecs=NULL;
 901         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 902                 if (pt){
 903                         if (!ms_filter_codec_supported(pt->mime_type)){
 904                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 905                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 906                 }
 907         }
 908         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
 909         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 910                 if (pt){
 911                         if (!ms_filter_codec_supported(pt->mime_type)){
 912                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 913                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 914                 }
 915         }
 916         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 917         linphone_core_set_audio_codecs(lc,audio_codecs);
 918         linphone_core_set_video_codecs(lc,video_codecs);
 919         linphone_core_update_allocated_audio_bandwidth(lc);
 920 }
 921
 922 static void build_video_devices_table(LinphoneCore *lc){
 923         const MSList *elem;
 924         int i;
 925         int ndev;
 926         const char **devices;
 927         if (lc->video_conf.cams)
 928                 ms_free(lc->video_conf.cams);
 929         /* retrieve all video devices */
 930         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 931         ndev=ms_list_size(elem);
 932         devices=ms_malloc((ndev+1)*sizeof(const char *));
 933         for (i=0;elem!=NULL;elem=elem->next,i++){
 934                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 935         }
 936         devices[ndev]=NULL;
 937         lc->video_conf.cams=devices;
 938 }
 939
 940 static void video_config_read(LinphoneCore *lc){
 941 #ifdef VIDEO_ENABLED
 942         int capture, display, self_view;
 943 #endif
 944         const char *str;
 945 #ifdef VIDEO_ENABLED
 946         LinphoneVideoPolicy vpol;
 947         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 948 #endif
 949         build_video_devices_table(lc);
 950
 951         str=lp_config_get_string(lc->config,"video","device",NULL);
 952         if (str && str[0]==0) str=NULL;
 953         linphone_core_set_video_device(lc,str);
 954
 955         linphone_core_set_preferred_video_size_by_name(lc,
 956                 lp_config_get_string(lc->config,"video","size","cif"));
 957
 958 #ifdef VIDEO_ENABLED
 959         capture=lp_config_get_int(lc->config,"video","capture",1);
 960         display=lp_config_get_int(lc->config,"video","display",1);
 961         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 962         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 963         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 964         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 965         if(lc->video_conf.displaytype)
 966                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 967
 968         linphone_core_enable_video(lc,capture,display);
 969         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 970         linphone_core_enable_self_view(lc,self_view);
 971         linphone_core_set_video_policy(lc,&vpol);
 972 #endif
 973 }
 974
 975 static void ui_config_read(LinphoneCore *lc)
 976 {
 977         LinphoneFriend *lf;
 978         int i;
 979         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 980                 linphone_core_add_friend(lc,lf);
 981         }
 982         call_logs_read_from_config_file(lc);
 983 }
 984
 985 /*
 986 static void autoreplier_config_init(LinphoneCore *lc)
 987 {
 988         autoreplier_config_t *config=&lc->autoreplier_conf;
 989         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 990         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 991         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 992         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 993         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 994         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 995 }
 996 */
 997
 998 bool_t linphone_core_tunnel_available(void){
 999 #ifdef TUNNEL_ENABLED
1000         return TRUE;
1001 #else
1002         return FALSE;
1003 #endif
1004 }
1005
1006 /**
1007  * Enable adaptive rate control.
1008  *
1009  * @ingroup media_parameters
1010  *
1011  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
1012  * control the output bitrate of the audio and video encoders, so that we can adapt to the network conditions and
1013  * available bandwidth. Control of the audio encoder is done in case of audio-only call, and control of the video encoder is done for audio & video calls.
1014  * Adaptive rate control feature is enabled by default.
1015 **/
1016 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
1017         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
1018 }
1019
1020 /**
1021  * Returns whether adaptive rate control is enabled.
1022  *
1023  * @ingroup media_parameters
1024  *
1025  * See linphone_core_enable_adaptive_rate_control().
1026 **/
1027 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
1028         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
1029 }
1030
1031 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
1032         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
1033 }
1034
1035 /**
1036  * Sets maximum available download bandwidth
1037  *
1038  * @ingroup media_parameters
1039  *
1040  * This is IP bandwidth, in kbit/s.
1041  * This information is used signaled to other parties during
1042  * calls (within SDP messages) so that the remote end can have
1043  * sufficient knowledge to properly configure its audio & video
1044  * codec output bitrate to not overflow available bandwidth.
1045  *
1046  * @param lc the LinphoneCore object
1047  * @param bw the bandwidth in kbits/s, 0 for infinite
1048  */
1049 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
1050         lc->net_conf.download_bw=bw;
1051         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
1052 }
1053
1054 /**
1055  * Sets maximum available upload bandwidth
1056  *
1057  * @ingroup media_parameters
1058  *
1059  * This is IP bandwidth, in kbit/s.
1060  * This information is used by liblinphone together with remote
1061  * side available bandwidth signaled in SDP messages to properly
1062  * configure audio & video codec's output bitrate.
1063  *
1064  * @param lc the LinphoneCore object
1065  * @param bw the bandwidth in kbits/s, 0 for infinite
1066  */
1067 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
1068         lc->net_conf.upload_bw=bw;
1069         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
1070 }
1071
1072 /**
1073  * Retrieve the maximum available download bandwidth.
1074  *
1075  * @ingroup media_parameters
1076  *
1077  * This value was set by linphone_core_set_download_bandwidth().
1078  *
1079 **/
1080 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
1081         return lc->net_conf.download_bw;
1082 }
1083
1084 /**
1085  * Retrieve the maximum available upload bandwidth.
1086  *
1087  * @ingroup media_parameters
1088  *
1089  * This value was set by linphone_core_set_upload_bandwidth().
1090  *
1091 **/
1092 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1093         return lc->net_conf.upload_bw;
1094 }
1095 /**
1096  * Set audio packetization time linphone expects to receive from peer.
1097  * A value of zero means that ptime is not specified.
1098  * @ingroup media_parameters
1099  */
1100 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1101         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1102 }
1103
1104 /**
1105  * Get audio packetization time linphone expects to receive from peer.
1106  * A value of zero means that ptime is not specified.
1107  * @ingroup media_parameters
1108  */
1109 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1110         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1111 }
1112
1113 /**
1114  * Set audio packetization time linphone will send (in absence of requirement from peer)
1115  * A value of 0 stands for the current codec default packetization time.
1116  *
1117  * @ingroup media_parameters
1118 **/
1119 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1120         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1121 }
1122
1123 /**
1124  * Set audio packetization time linphone will send (in absence of requirement from peer)
1125  * A value of 0 stands for the current codec default packetization time.
1126  *
1127  *
1128  * @ingroup media_parameters
1129 **/
1130 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1131         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1132 }
1133
1134
1135
1136 /**
1137  * Returns liblinphone's version as a string.
1138  *
1139  * @ingroup misc
1140  *
1141 **/
1142 const char * linphone_core_get_version(void){
1143         return liblinphone_version;
1144 }
1145
1146 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1147         PayloadType *pt;
1148         pt=payload_type_clone(const_pt);
1149         if (number==-1){
1150                 /*look for a free number */
1151                 MSList *elem;
1152                 int i;
1153                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1154                         bool_t already_assigned=FALSE;
1155                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1156                                 PayloadType *it=(PayloadType*)elem->data;
1157                                 if (payload_type_get_number(it)==i){
1158                                         already_assigned=TRUE;
1159                                         break;
1160                                 }
1161                         }
1162                         if (!already_assigned){
1163                                 number=i;
1164                                 lc->dyn_pt=i+1;
1165                                 break;
1166                         }
1167                 }
1168                 if (number==-1){
1169                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1170                 }
1171         }
1172         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1173         payload_type_set_number(pt,number);
1174         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1175         rtp_profile_set_payload(lc->default_profile,number,pt);
1176         lc->payload_types=ms_list_append(lc->payload_types,pt);
1177 }
1178
1179 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1180         RtpProfile *prof=&av_profile;
1181         int i;
1182         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1183                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1184                 if (pt){
1185                         if (payload_type_get_number(pt)!=i){
1186                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1187                         }
1188                 }
1189         }
1190 }
1191
1192 static void linphone_core_free_payload_types(LinphoneCore *lc){
1193         rtp_profile_clear_all(lc->default_profile);
1194         rtp_profile_destroy(lc->default_profile);
1195         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1196         ms_list_free(lc->payload_types);
1197         lc->payload_types=NULL;
1198 }
1199
1200 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1201         lc->state=gstate;
1202         if (lc->vtable.global_state_changed){
1203                 lc->vtable.global_state_changed(lc,gstate,message);
1204         }
1205 }
1206 static void misc_config_read (LinphoneCore *lc) {
1207         LpConfig *config=lc->config;
1208         lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1209         lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1210 }
1211
1212
1213
1214
1215 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, LpConfig *config, void * userdata)
1216 {
1217         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1218         memset (lc, 0, sizeof (LinphoneCore));
1219         lc->config=config;
1220         lc->data=userdata;
1221         lc->ringstream_autorelease=TRUE;
1222
1223         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1224
1225         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1226         ortp_init();
1227         lc->dyn_pt=96;
1228         lc->default_profile=rtp_profile_new("default profile");
1229         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1230         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1231         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1232         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1233         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1234         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1235         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1236         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1237
1238 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1239         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1240          - to workaround potential packet losses
1241          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1242          */
1243         _linphone_core_configure_resolver();
1244 #endif
1245
1246 #ifdef ENABLE_NONSTANDARD_GSM
1247         {
1248                 PayloadType *pt;
1249                 pt=payload_type_clone(&payload_type_gsm);
1250                 pt->clock_rate=11025;
1251                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1252                 pt->clock_rate=22050;
1253                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1254                 payload_type_destroy(pt);
1255         }
1256 #endif
1257
1258 #ifdef VIDEO_ENABLED
1259         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1260         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1261         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1262         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1263         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1264         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1265         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1266         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1267         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1268 #endif
1269
1270         /*add all payload type for which we don't care about the number */
1271         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1272         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1273         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1274         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1275         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1276         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1277         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1278         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1279         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1280         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1281         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1282         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1283         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1284         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1285         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1286         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1287         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1288         linphone_core_assign_payload_type(lc,&payload_type_aaceld_22k,-1,"config=F8EE2000; constantDuration=512;  indexDeltaLength=3; indexLength=3; mode=AAC-hbr; profile-level-id=76; sizeLength=13; streamType=5");
1289         linphone_core_assign_payload_type(lc,&payload_type_aaceld_44k,-1,"config=F8E82000; constantDuration=512;  indexDeltaLength=3; indexLength=3; mode=AAC-hbr; profile-level-id=76; sizeLength=13; streamType=5");
1290         linphone_core_handle_static_payloads(lc);
1291
1292         ms_init();
1293         /* create a mediastreamer2 event queue and set it as global */
1294         /* This allows to run event's callback in linphone_core_iterate() */
1295         lc->msevq=ms_event_queue_new();
1296         ms_set_global_event_queue(lc->msevq);
1297
1298         lc->sal=sal_init();
1299         sal_set_user_pointer(lc->sal,lc);
1300         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1301
1302         lc->network_last_check = 0;
1303         lc->network_last_status = FALSE;
1304
1305         sip_setup_register_all();
1306         sound_config_read(lc);
1307         net_config_read(lc);
1308         rtp_config_read(lc);
1309         codecs_config_read(lc);
1310         sip_config_read(lc); /* this will start eXosip*/
1311         video_config_read(lc);
1312         //autoreplier_config_init(&lc->autoreplier_conf);
1313         lc->presence_mode=LinphoneStatusOnline;
1314         misc_config_read(lc);
1315         ui_config_read(lc);
1316 #ifdef TUNNEL_ENABLED
1317         lc->tunnel=linphone_core_tunnel_new(lc);
1318         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1319 #endif
1320         if (lc->vtable.display_status)
1321                 lc->vtable.display_status(lc,_("Ready"));
1322         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1323         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1324 }
1325
1326 /**
1327  * Instanciates a LinphoneCore object.
1328  * @ingroup initializing
1329  *
1330  * The LinphoneCore object is the primary handle for doing all phone actions.
1331  * It should be unique within your application.
1332  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1333  * @param config_path a path to a config file. If it does not exists it will be created.
1334  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1335  *             become persistent over the life of the LinphoneCore object.
1336  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1337  * @param factory_config_path a path to a read-only config file that can be used to
1338  *        to store hard-coded preference such as proxy settings or internal preferences.
1339  *        The settings in this factory file always override the one in the normal config file.
1340  *        It is OPTIONAL, use NULL if unneeded.
1341  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1342  *        callbacks) using linphone_core_get_user_data().
1343  * @see linphone_core_new_with_config
1344 **/
1345 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1346                                                 const char *config_path, const char *factory_config_path, void * userdata)
1347 {
1348         LpConfig *config = lp_config_new_with_factory(config_path, factory_config_path);
1349         return linphone_core_new_with_config(vtable, config, userdata);
1350 }
1351
1352 LinphoneCore *linphone_core_new_with_config(const LinphoneCoreVTable *vtable, struct _LpConfig *config, void *userdata)
1353 {
1354         LinphoneCore *core = ms_new(LinphoneCore, 1);
1355         linphone_core_init(core, vtable, config, userdata);
1356         return core;
1357 }
1358
1359 /**
1360  * Returns the list of available audio codecs.
1361  *
1362  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1363  * structure holding the codec information.
1364  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1365  * (such as the order of codecs).
1366  * @ingroup media_parameters
1367 **/
1368 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1369 {
1370         return lc->codecs_conf.audio_codecs;
1371 }
1372
1373 /**
1374  * Returns the list of available video codecs.
1375  *
1376  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1377  * structure holding the codec information.
1378  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1379  * (such as the order of codecs).
1380  * @ingroup media_parameters
1381 **/
1382 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1383 {
1384         return lc->codecs_conf.video_codecs;
1385 }
1386
1387 /**
1388  * Sets the local "from" identity.
1389  *
1390  * @ingroup proxies
1391  * This data is used in absence of any proxy configuration or when no
1392  * default proxy configuration is set. See LinphoneProxyConfig
1393 **/
1394 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1395 {
1396         LinphoneAddress *ctt;
1397
1398         if ((ctt=linphone_address_new(contact))==0) {
1399                 ms_error("Bad contact url: %s",contact);
1400                 return -1;
1401         }
1402         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1403         lc->sip_conf.contact=ms_strdup(contact);
1404         if (lc->sip_conf.guessed_contact!=NULL){
1405                 ms_free(lc->sip_conf.guessed_contact);
1406                 lc->sip_conf.guessed_contact=NULL;
1407         }
1408         linphone_address_destroy(ctt);
1409         return 0;
1410 }
1411
1412
1413 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1414 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1415         const char *ip;
1416         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1417             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1418                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1419                 return;
1420         }
1421 #ifdef BUILD_UPNP
1422         else if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
1423                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
1424                 ip = linphone_upnp_context_get_external_ipaddress(lc->upnp);
1425                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1426                 return;
1427         }
1428 #endif //BUILD_UPNP
1429         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1430                 return;
1431         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1432         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1433 }
1434
1435 static void update_primary_contact(LinphoneCore *lc){
1436         char *guessed=NULL;
1437         char tmp[LINPHONE_IPADDR_SIZE];
1438
1439         LinphoneAddress *url;
1440         if (lc->sip_conf.guessed_contact!=NULL){
1441                 ms_free(lc->sip_conf.guessed_contact);
1442                 lc->sip_conf.guessed_contact=NULL;
1443         }
1444         url=linphone_address_new(lc->sip_conf.contact);
1445         if (!url){
1446                 ms_error("Could not parse identity contact !");
1447                 url=linphone_address_new("sip:unknown@unkwownhost");
1448         }
1449         linphone_core_get_local_ip(lc, NULL, tmp);
1450         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1451                 ms_warning("Local loopback network only !");
1452                 lc->sip_conf.loopback_only=TRUE;
1453         }else lc->sip_conf.loopback_only=FALSE;
1454         linphone_address_set_domain(url,tmp);
1455         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1456         guessed=linphone_address_as_string(url);
1457         lc->sip_conf.guessed_contact=guessed;
1458         linphone_address_destroy(url);
1459 }
1460
1461 /**
1462  * Returns the default identity when no proxy configuration is used.
1463  *
1464  * @ingroup proxies
1465 **/
1466 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1467         char *identity;
1468
1469         if (lc->sip_conf.guess_hostname){
1470                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1471                         update_primary_contact(lc);
1472                 }
1473                 identity=lc->sip_conf.guessed_contact;
1474         }else{
1475                 identity=lc->sip_conf.contact;
1476         }
1477         return identity;
1478 }
1479
1480 /**
1481  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1482  *
1483  * @ingroup proxies
1484 **/
1485 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1486         lc->sip_conf.guess_hostname=val;
1487 }
1488
1489 /**
1490  * Returns TRUE if hostname part of primary contact is guessed automatically.
1491  *
1492  * @ingroup proxies
1493 **/
1494 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1495         return lc->sip_conf.guess_hostname;
1496 }
1497
1498 /**
1499  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1500  * instead of const char*
1501  *
1502  * @ingroup proxies
1503 **/
1504 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1505         return linphone_address_new(linphone_core_get_primary_contact(lc));
1506 }
1507
1508 /**
1509  * Sets the list of audio codecs.
1510  *
1511  * @ingroup media_parameters
1512  * The list is taken by the LinphoneCore thus the application should not free it.
1513  * This list is made of struct PayloadType describing the codec parameters.
1514 **/
1515 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1516 {
1517         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1518         lc->codecs_conf.audio_codecs=codecs;
1519         _linphone_core_codec_config_write(lc);
1520         return 0;
1521 }
1522
1523 /**
1524  * Sets the list of video codecs.
1525  *
1526  * @ingroup media_parameters
1527  * The list is taken by the LinphoneCore thus the application should not free it.
1528  * This list is made of struct PayloadType describing the codec parameters.
1529 **/
1530 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1531 {
1532         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1533         lc->codecs_conf.video_codecs=codecs;
1534         _linphone_core_codec_config_write(lc);
1535         return 0;
1536 }
1537
1538 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1539 {
1540         return lc->friends;
1541 }
1542
1543 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1544 {
1545         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1546 }
1547
1548 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1549 {
1550         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1551 }
1552
1553 /**
1554  * Returns the nominal audio jitter buffer size in milliseconds.
1555  *
1556  * @ingroup media_parameters
1557 **/
1558 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1559 {
1560         return lc->rtp_conf.audio_jitt_comp;
1561 }
1562
1563 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1564 {
1565         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1566 }
1567
1568 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1569 {
1570         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1571 }
1572
1573 /**
1574  * Returns the nominal video jitter buffer size in milliseconds.
1575  *
1576  * @ingroup media_parameters
1577 **/
1578 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1579 {
1580         return lc->rtp_conf.video_jitt_comp;
1581 }
1582
1583 /**
1584  * Returns the UDP port used for audio streaming.
1585  *
1586  * @ingroup network_parameters
1587 **/
1588 int linphone_core_get_audio_port(const LinphoneCore *lc)
1589 {
1590         return lc->rtp_conf.audio_rtp_min_port;
1591 }
1592
1593 /**
1594  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1595  *
1596  * @ingroup network_parameters
1597  */
1598 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1599 {
1600         *min_port = lc->rtp_conf.audio_rtp_min_port;
1601         *max_port = lc->rtp_conf.audio_rtp_max_port;
1602 }
1603
1604 /**
1605  * Returns the UDP port used for video streaming.
1606  *
1607  * @ingroup network_parameters
1608 **/
1609 int linphone_core_get_video_port(const LinphoneCore *lc){
1610         return lc->rtp_conf.video_rtp_min_port;
1611 }
1612
1613 /**
1614  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1615  *
1616  * @ingroup network_parameters
1617  */
1618 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1619 {
1620         *min_port = lc->rtp_conf.video_rtp_min_port;
1621         *max_port = lc->rtp_conf.video_rtp_max_port;
1622 }
1623
1624
1625 /**
1626  * Returns the value in seconds of the no-rtp timeout.
1627  *
1628  * @ingroup media_parameters
1629  * When no RTP or RTCP packets have been received for a while
1630  * LinphoneCore will consider the call is broken (remote end crashed or
1631  * disconnected from the network), and thus will terminate the call.
1632  * The no-rtp timeout is the duration above which the call is considered broken.
1633 **/
1634 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1635         return lc->rtp_conf.nortp_timeout;
1636 }
1637
1638 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1639         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1640 }
1641
1642 /**
1643  * Sets the nominal audio jitter buffer size in milliseconds.
1644  *
1645  * @ingroup media_parameters
1646 **/
1647 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1648 {
1649         lc->rtp_conf.audio_jitt_comp=value;
1650 }
1651
1652 /**
1653  * Sets the nominal video jitter buffer size in milliseconds.
1654  *
1655  * @ingroup media_parameters
1656 **/
1657 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1658 {
1659         lc->rtp_conf.video_jitt_comp=value;
1660 }
1661
1662 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1663         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1664 }
1665
1666 /**
1667  * Sets the UDP port used for audio streaming.
1668  *
1669  * @ingroup network_parameters
1670 **/
1671 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1672 {
1673         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1674 }
1675
1676 /**
1677  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1678  * @ingroup media_parameters
1679  */
1680 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1681 {
1682         lc->rtp_conf.audio_rtp_min_port=min_port;
1683         lc->rtp_conf.audio_rtp_max_port=max_port;
1684 }
1685
1686 /**
1687  * Sets the UDP port used for video streaming.
1688  *
1689  * @ingroup network_parameters
1690 **/
1691 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1692         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1693 }
1694
1695 /**
1696  * Sets the UDP port range from which to randomly select the port used for video streaming.
1697  * @ingroup media_parameters
1698  */
1699 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1700 {
1701         lc->rtp_conf.video_rtp_min_port=min_port;
1702         lc->rtp_conf.video_rtp_max_port=max_port;
1703 }
1704
1705 /**
1706  * Sets the no-rtp timeout value in seconds.
1707  *
1708  * @ingroup media_parameters
1709  * See linphone_core_get_nortp_timeout() for details.
1710 **/
1711 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1712         lc->rtp_conf.nortp_timeout=nortp_timeout;
1713 }
1714
1715 /**
1716  * Indicates whether SIP INFO is used for sending digits.
1717  *
1718  * @ingroup media_parameters
1719 **/
1720 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1721 {
1722         return lp_config_get_int(lc->config, "sip", "use_info", 0);
1723 }
1724
1725 /**
1726  * Sets whether SIP INFO is to be used for sending digits.
1727  *
1728  * @ingroup media_parameters
1729 **/
1730 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1731 {
1732         if (linphone_core_ready(lc)) {
1733                 lp_config_set_int(lc->config, "sip", "use_info", use_info);
1734         }
1735 }
1736
1737 /**
1738  * Indicates whether RFC2833 is used for sending digits.
1739  *
1740  * @ingroup media_parameters
1741 **/
1742 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1743 {
1744         return lp_config_get_int(lc->config, "sip", "use_rfc2833", 1);
1745 }
1746
1747 /**
1748  * Sets whether RFC2833 is to be used for sending digits.
1749  *
1750  * @ingroup media_parameters
1751 **/
1752 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1753 {
1754         if (linphone_core_ready(lc)) {
1755                 lp_config_set_int(lc->config, "sip", "use_rfc2833", use_rfc2833);
1756         }
1757 }
1758
1759 /**
1760  * Returns the UDP port used by SIP.
1761  *
1762  * Deprecated: use linphone_core_get_sip_transports() instead.
1763  * @ingroup network_parameters
1764 **/
1765 int linphone_core_get_sip_port(LinphoneCore *lc)
1766 {
1767         LCSipTransports *tr=&lc->sip_conf.transports;
1768         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1769 }
1770
1771 static char _ua_name[64]="Linphone";
1772 static char _ua_version[64]=LINPHONE_VERSION;
1773
1774 #ifdef HAVE_EXOSIP_GET_VERSION
1775 extern const char *eXosip_get_version();
1776 #endif
1777
1778 static void apply_user_agent(LinphoneCore *lc){
1779         char ua_string[256];
1780         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1781 #ifdef HAVE_EXOSIP_GET_VERSION
1782                  eXosip_get_version()
1783 #else
1784                  "unknown"
1785 #endif
1786         );
1787         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1788 }
1789
1790 /**
1791  * Sets the user agent string used in SIP messages.
1792  *
1793  * @ingroup misc
1794 **/
1795 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1796         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1797         strncpy(_ua_version,ver,sizeof(_ua_version));
1798         apply_user_agent(lc);
1799 }
1800
1801 const char *linphone_core_get_user_agent_name(void){
1802         return _ua_name;
1803 }
1804
1805 const char *linphone_core_get_user_agent_version(void){
1806         return _ua_version;
1807 }
1808
1809 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1810         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1811         ms_warning("%s",msg);
1812         if (lc->vtable.display_warning)
1813                 lc->vtable.display_warning(lc,msg);
1814         ms_free(msg);
1815 }
1816
1817 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1818         return
1819                 tr2->udp_port==tr1->udp_port &&
1820                 tr2->tcp_port==tr1->tcp_port &&
1821                 tr2->dtls_port==tr1->dtls_port &&
1822                 tr2->tls_port==tr1->tls_port;
1823 }
1824
1825 static int apply_transports(LinphoneCore *lc){
1826         Sal *sal=lc->sal;
1827         const char *anyaddr;
1828         LCSipTransports *tr=&lc->sip_conf.transports;
1829
1830         /*first of all invalidate all current registrations so that we can register again with new transports*/
1831         __linphone_core_invalidate_registers(lc);
1832
1833         if (lc->sip_conf.ipv6_enabled)
1834                 anyaddr="::0";
1835         else
1836                 anyaddr="0.0.0.0";
1837
1838         sal_unlisten_ports(sal);
1839         if (tr->udp_port>0){
1840                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1841                         transport_error(lc,"udp",tr->udp_port);
1842                         return -1;
1843                 }
1844         }
1845         if (tr->tcp_port>0){
1846                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1847                         transport_error(lc,"tcp",tr->tcp_port);
1848                 }
1849         }
1850         if (tr->tls_port>0){
1851                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1852                         transport_error(lc,"tls",tr->tls_port);
1853                 }
1854         }
1855         apply_user_agent(lc);
1856         return 0;
1857 }
1858
1859 /**
1860  * Sets the ports to be used for each of transport (UDP or TCP)
1861  *
1862  * A zero value port for a given transport means the transport
1863  * is not used.
1864  *
1865  * @ingroup network_parameters
1866 **/
1867 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1868
1869         if (transports_unchanged(tr,&lc->sip_conf.transports))
1870                 return 0;
1871         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1872
1873         if (linphone_core_ready(lc)){
1874                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1875                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1876                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1877         }
1878
1879         if (lc->sal==NULL) return 0;
1880         return apply_transports(lc);
1881 }
1882
1883 /**
1884  * Retrieves the ports used for each transport (udp, tcp).
1885  * A zero value port for a given transport means the transport
1886  * is not used.
1887  * @ingroup network_parameters
1888 **/
1889 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1890         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1891         return 0;
1892 }
1893
1894 /**
1895  * Sets the UDP port to be used by SIP.
1896  *
1897  * Deprecated: use linphone_core_set_sip_transports() instead.
1898  * @ingroup network_parameters
1899 **/
1900 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1901 {
1902         LCSipTransports tr;
1903         memset(&tr,0,sizeof(tr));
1904         tr.udp_port=port;
1905         linphone_core_set_sip_transports (lc,&tr);
1906 }
1907
1908 /**
1909  * Returns TRUE if IPv6 is enabled.
1910  *
1911  * @ingroup network_parameters
1912  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1913 **/
1914 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1915         return lc->sip_conf.ipv6_enabled;
1916 }
1917
1918 /**
1919  * Turns IPv6 support on or off.
1920  *
1921  * @ingroup network_parameters
1922  *
1923  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1924  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1925  * By default IPv6 support is off.
1926 **/
1927 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1928         if (lc->sip_conf.ipv6_enabled!=val){
1929                 lc->sip_conf.ipv6_enabled=val;
1930                 if (lc->sal){
1931                         /* we need to restart eXosip */
1932                         apply_transports(lc);
1933                 }
1934         }
1935 }
1936
1937
1938 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1939         char result[LINPHONE_IPADDR_SIZE];
1940         bool_t new_status=lc->network_last_status;
1941
1942         /* only do the network up checking every five seconds */
1943         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1944                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1945                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1946                         new_status=TRUE;
1947                 }else new_status=FALSE;
1948                 lc->network_last_check=curtime;
1949                 if (new_status!=lc->network_last_status) {
1950                         if (new_status){
1951                                 ms_message("New local ip address is %s",result);
1952                         }
1953                         set_network_reachable(lc,new_status, curtime);
1954                         lc->network_last_status=new_status;
1955                 }
1956         }
1957 }
1958
1959 static void proxy_update(LinphoneCore *lc){
1960         MSList *elem,*next;
1961         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1962         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1963                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1964                 next=elem->next;
1965                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1966                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1967                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1968                         linphone_proxy_config_destroy(cfg);
1969                 }
1970         }
1971 }
1972
1973 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1974         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1975         if (lf!=NULL){
1976                 lf->info=info;
1977                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1978                 if (lc->vtable.buddy_info_updated)
1979                         lc->vtable.buddy_info_updated(lc,lf);
1980         }else{
1981                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1982         }
1983 }
1984
1985 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1986         MSList *elem;
1987         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1988         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1989                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1990                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1991                         if (req->results!=NULL){
1992                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1993                                 ms_list_free(req->results);
1994                                 req->results=NULL;
1995                                 assign_buddy_info(lc,i);
1996                         }
1997                         sip_setup_context_buddy_lookup_free(ctx,req);
1998                         elem->data=NULL;
1999                 }
2000         }
2001         /*purge completed requests */
2002         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
2003                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
2004         }
2005 }
2006
2007 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
2008         const MSList *elem;
2009         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2010         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
2011                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
2012                 if (lf->info==NULL){
2013                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
2014                                 if (linphone_address_get_username(lf->uri)!=NULL){
2015                                         BuddyLookupRequest *req;
2016                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
2017                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
2018                                         buddy_lookup_request_set_key(req,tmp);
2019                                         buddy_lookup_request_set_max_results(req,1);
2020                                         sip_setup_context_buddy_lookup_submit(ctx,req);
2021                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
2022                                         ms_free(tmp);
2023                                 }
2024                         }
2025                 }
2026         }
2027 }
2028
2029 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
2030         LinphoneProxyConfig *cfg=NULL;
2031         linphone_core_get_default_proxy(lc,&cfg);
2032         if (cfg){
2033                 if (lc->bl_refresh){
2034                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2035                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
2036                                 linphone_core_grab_buddy_infos(lc,cfg);
2037                                 lc->bl_refresh=FALSE;
2038                         }
2039                 }
2040                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
2041         }
2042 }
2043
2044 /**
2045  * Main loop function. It is crucial that your application call it periodically.
2046  *
2047  * @ingroup initializing
2048  * linphone_core_iterate() performs various backgrounds tasks:
2049  * - receiving of SIP messages
2050  * - handles timers and timeout
2051  * - performs registration to proxies
2052  * - authentication retries
2053  * The application MUST call this function periodically, in its main loop.
2054  * Be careful that this function must be called from the same thread as
2055  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
2056  * serialized with a mutex.
2057 **/
2058 void linphone_core_iterate(LinphoneCore *lc){
2059         MSList *calls;
2060         LinphoneCall *call;
2061         time_t curtime=time(NULL);
2062         int elapsed;
2063         bool_t one_second_elapsed=FALSE;
2064
2065         if (curtime-lc->prevtime>=1){
2066                 lc->prevtime=curtime;
2067                 one_second_elapsed=TRUE;
2068         }
2069
2070         if (lc->ecc!=NULL){
2071                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
2072                 if (ecs!=LinphoneEcCalibratorInProgress){
2073                         if (lc->ecc->cb)
2074                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
2075                         if (ecs==LinphoneEcCalibratorDone){
2076                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
2077                                 int margin=len/2;
2078
2079                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-margin,0));
2080                         } else if (ecs == LinphoneEcCalibratorFailed) {
2081                                 lp_config_set_int(lc->config, "sound", "ec_delay", -1);/*use default value from soundcard*/
2082                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
2083                                 linphone_core_enable_echo_cancellation(lc, FALSE);
2084                         }
2085                         ec_calibrator_destroy(lc->ecc);
2086                         lc->ecc=NULL;
2087                 }
2088         }
2089
2090         if (lc->preview_finished){
2091                 lc->preview_finished=0;
2092                 ring_stop(lc->ringstream);
2093                 lc->ringstream=NULL;
2094                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
2095         }
2096
2097         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
2098             && (curtime-lc->dmfs_playing_start_time)>5){
2099                 ring_stop(lc->ringstream);
2100                 lc->ringstream=NULL;
2101                 lc->dmfs_playing_start_time=0;
2102         }
2103
2104         sal_iterate(lc->sal);
2105         if (lc->msevq) ms_event_queue_pump(lc->msevq);
2106         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
2107
2108         proxy_update(lc);
2109
2110         //we have to iterate for each call
2111         calls= lc->calls;
2112         while(calls!= NULL){
2113                 call = (LinphoneCall *)calls->data;
2114                 elapsed = curtime-call->start_time;
2115                  /* get immediately a reference to next one in case the one
2116                  we are going to examine is destroy and removed during
2117                  linphone_core_start_invite() */
2118                 calls=calls->next;
2119                 linphone_call_background_tasks(call,one_second_elapsed);
2120                 if (call->state==LinphoneCallOutgoingInit && (elapsed>=lc->sip_conf.delayed_timeout)){
2121                         /*start the call even if the OPTIONS reply did not arrive*/
2122                         if (call->ice_session != NULL) {
2123                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2124                                                 ,linphone_core_get_stun_server(lc));
2125                                 linphone_call_delete_ice_session(call);
2126                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2127                         }
2128 #ifdef BUILD_UPNP
2129                         if (call->upnp_session != NULL) {
2130                                 ms_warning("uPnP mapping has not finished yet, proceeded with the call without uPnP anyway.");
2131                                 linphone_call_delete_upnp_session(call);
2132                         }
2133 #endif //BUILD_UPNP
2134                         linphone_core_start_invite(lc,call);
2135                 }
2136                 if (call->state==LinphoneCallIncomingReceived){
2137                         ms_message("incoming call ringing for %i seconds",elapsed);
2138                         if (elapsed>lc->sip_conf.inc_timeout){
2139                                 LinphoneReason decline_reason;
2140                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2141                                 decline_reason=lc->current_call ? LinphoneReasonBusy : LinphoneReasonDeclined;
2142                                 call->log->status=LinphoneCallMissed;
2143                                 call->reason=LinphoneReasonNotAnswered;
2144                                 linphone_core_decline_call(lc,call,decline_reason);
2145                         }
2146                 }
2147                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2148                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2149                         linphone_core_terminate_call(lc,call);
2150                 }
2151         }
2152
2153         if (linphone_core_video_preview_enabled(lc)){
2154                 if (lc->previewstream==NULL && lc->calls==NULL)
2155                         toggle_video_preview(lc,TRUE);
2156 #ifdef VIDEO_ENABLED
2157                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2158 #endif
2159         }else{
2160                 if (lc->previewstream!=NULL)
2161                         toggle_video_preview(lc,FALSE);
2162         }
2163
2164         linphone_core_run_hooks(lc);
2165         linphone_core_do_plugin_tasks(lc);
2166
2167         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2168             (curtime-lc->netup_time)>3){
2169                 linphone_core_send_initial_subscribes(lc);
2170                 lc->initial_subscribes_sent=TRUE;
2171         }
2172
2173         if (one_second_elapsed) {
2174                 if (lp_config_needs_commit(lc->config)) {
2175                         lp_config_sync(lc->config);
2176                 }
2177         }
2178 }
2179
2180 /**
2181  * Interpret a call destination as supplied by the user, and returns a fully qualified
2182  * LinphoneAddress.
2183  *
2184  * @ingroup call_control
2185  *
2186  * A sip address should look like DisplayName <sip:username@domain:port> .
2187  * Basically this function performs the following tasks
2188  * - if a phone number is entered, prepend country prefix of the default proxy
2189  *   configuration, eventually escape the '+' by 00.
2190  * - if no domain part is supplied, append the domain name of the default proxy
2191  * - if no sip: is present, prepend it
2192  *
2193  * The result is a syntaxically correct SIP address.
2194 **/
2195
2196 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2197         enum_lookup_res_t *enumres=NULL;
2198         char *enum_domain=NULL;
2199         LinphoneProxyConfig *proxy=lc->default_proxy;;
2200         char *tmpurl;
2201         LinphoneAddress *uri;
2202
2203         if (is_enum(url,&enum_domain)){
2204                 if (lc->vtable.display_status!=NULL)
2205                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2206                 if (enum_lookup(enum_domain,&enumres)<0){
2207                         if (lc->vtable.display_status!=NULL)
2208                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2209                         ms_free(enum_domain);
2210                         return NULL;
2211                 }
2212                 ms_free(enum_domain);
2213                 tmpurl=enumres->sip_address[0];
2214                 uri=linphone_address_new(tmpurl);
2215                 enum_lookup_res_free(enumres);
2216                 return uri;
2217         }
2218         /* check if we have a "sip:" */
2219         if (strstr(url,"sip:")==NULL){
2220                 /* this doesn't look like a true sip uri */
2221                 if (strchr(url,'@')!=NULL){
2222                         /* seems like sip: is missing !*/
2223                         tmpurl=ms_strdup_printf("sip:%s",url);
2224                         uri=linphone_address_new(tmpurl);
2225                         ms_free(tmpurl);
2226                         if (uri){
2227                                 return uri;
2228                         }
2229                 }
2230
2231                 if (proxy!=NULL){
2232                         /* append the proxy domain suffix */
2233                         const char *identity=linphone_proxy_config_get_identity(proxy);
2234                         char normalized_username[128];
2235                         uri=linphone_address_new(identity);
2236                         if (uri==NULL){
2237                                 return NULL;
2238                         }
2239                         linphone_address_set_display_name(uri,NULL);
2240                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2241                                                                 sizeof(normalized_username));
2242                         linphone_address_set_username(uri,normalized_username);
2243                         return uri;
2244                 }else return NULL;
2245         }
2246         uri=linphone_address_new(url);
2247         if (uri!=NULL){
2248                 return uri;
2249         }
2250         /* else we could not do anything with url given by user, so display an error */
2251         if (lc->vtable.display_warning!=NULL){
2252                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2253         }
2254         return NULL;
2255 }
2256
2257 /**
2258  * Returns the default identity SIP address.
2259  *
2260  * @ingroup proxies
2261  * This is an helper function:
2262  *
2263  * If no default proxy is set, this will return the primary contact (
2264  * see linphone_core_get_primary_contact() ). If a default proxy is set
2265  * it returns the registered identity on the proxy.
2266 **/
2267 const char * linphone_core_get_identity(LinphoneCore *lc){
2268         LinphoneProxyConfig *proxy=NULL;
2269         const char *from;
2270         linphone_core_get_default_proxy(lc,&proxy);
2271         if (proxy!=NULL) {
2272                 from=linphone_proxy_config_get_identity(proxy);
2273         }else from=linphone_core_get_primary_contact(lc);
2274         return from;
2275 }
2276
2277 const char * linphone_core_get_route(LinphoneCore *lc){
2278         LinphoneProxyConfig *proxy=NULL;
2279         const char *route=NULL;
2280         linphone_core_get_default_proxy(lc,&proxy);
2281         if (proxy!=NULL) {
2282                 route=linphone_proxy_config_get_route(proxy);
2283         }
2284         return route;
2285 }
2286
2287 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2288         if (call->refer_pending){
2289                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2290                 LinphoneCall *newcall;
2291                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2292                 cp->referer=call;
2293                 ms_message("Starting new call to refered address %s",call->refer_to);
2294                 call->refer_pending=FALSE;
2295                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2296                 linphone_call_params_destroy(cp);
2297                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2298         }
2299 }
2300
2301 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2302         if (referer->op!=NULL){
2303                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2304         }
2305 }
2306
2307 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2308         const MSList *elem;
2309         LinphoneProxyConfig *found_cfg=NULL;
2310         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2311
2312         /*always prefer the default proxy if it is matching the destination uri*/
2313         if (default_cfg){
2314                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2315                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2316                         return default_cfg;
2317         }
2318
2319         /*otherwise iterate through the other proxy config and return the first matching*/
2320         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2321                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2322                 const char *domain=linphone_proxy_config_get_domain(cfg);
2323                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2324                         found_cfg=cfg;
2325                         break;
2326                 }
2327         }
2328         return found_cfg;
2329 }
2330
2331 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2332         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2333         if (cfg==NULL)
2334                 linphone_core_get_default_proxy (lc,&cfg);
2335         if (cfg!=NULL){
2336                 if (route) *route=linphone_proxy_config_get_route(cfg);
2337                 return linphone_proxy_config_get_identity (cfg);
2338         }
2339         return linphone_core_get_primary_contact (lc);
2340 }
2341
2342 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2343         LinphoneAddress *ctt;
2344         const char *localip=call->localip;
2345
2346         /* first use user's supplied ip address if asked*/
2347         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2348                 ctt=linphone_core_get_primary_contact_parsed(lc);
2349                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2350                         linphone_core_get_nat_address_resolved(lc));
2351         }
2352
2353         /* if already choosed, don't change it */
2354         if (call->op && sal_op_get_contact(call->op)!=NULL){
2355                 return NULL;
2356         }
2357         /* if the ping OPTIONS request succeeded use the contact guessed from the
2358          received, rport*/
2359         if (call->ping_op){
2360                 const char *guessed=sal_op_get_contact(call->ping_op);
2361                 if (guessed){
2362                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2363                         return ms_strdup(guessed);
2364                 }
2365         }
2366
2367         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2368         if (dest_proxy && dest_proxy->op){
2369                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2370                 if (fixed_contact) {
2371                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2372                         return ms_strdup(fixed_contact);
2373                 }
2374         }
2375
2376         ctt=linphone_core_get_primary_contact_parsed(lc);
2377
2378         if (ctt!=NULL){
2379                 char *ret;
2380                 /*otherwise use supllied localip*/
2381                 linphone_address_set_domain(ctt,localip);
2382                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2383                 ret=linphone_address_as_string_uri_only(ctt);
2384                 linphone_address_destroy(ctt);
2385                 ms_message("Contact has been fixed using local ip to %s",ret);
2386                 return ret;
2387         }
2388         return NULL;
2389 }
2390
2391 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2392         bool_t ice_ready = FALSE;
2393         bool_t upnp_ready = FALSE;
2394         bool_t ping_ready = FALSE;
2395
2396         if (call->ice_session != NULL) {
2397                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2398         } else {
2399                 ice_ready = TRUE;
2400         }
2401 #ifdef BUILD_UPNP
2402         if (call->upnp_session != NULL) {
2403                 if (linphone_upnp_session_get_state(call->upnp_session) == LinphoneUpnpStateOk) upnp_ready = TRUE;
2404         } else {
2405                 upnp_ready = TRUE;
2406         }
2407 #else
2408         upnp_ready=TRUE;
2409 #endif //BUILD_UPNP
2410         if (call->ping_op != NULL) {
2411                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2412         } else {
2413                 ping_ready = TRUE;
2414         }
2415
2416         if ((ice_ready == TRUE) && (upnp_ready == TRUE) && (ping_ready == TRUE)) {
2417                 return linphone_core_start_invite(lc, call);
2418         }
2419         return 0;
2420 }
2421
2422 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2423         int err;
2424         char *contact;
2425         char *real_url,*barmsg;
2426         char *from;
2427         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2428
2429         /*try to be best-effort in giving real local or routable contact address */
2430         contact=get_fixed_contact(lc,call,dest_proxy);
2431         if (contact){
2432                 sal_op_set_contact(call->op, contact);
2433                 ms_free(contact);
2434         }
2435         linphone_core_stop_dtmf_stream(lc);
2436         linphone_call_init_media_streams(call);
2437         if (lc->ringstream==NULL)
2438                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2439         linphone_call_make_local_media_description(lc,call);
2440         if (!lc->sip_conf.sdp_200_ack){
2441                 call->media_pending=TRUE;
2442                 sal_call_set_local_media_description(call->op,call->localdesc);
2443         }
2444         real_url=linphone_address_as_string(call->log->to);
2445         from=linphone_address_as_string(call->log->from);
2446         err=sal_call(call->op,from,real_url);
2447         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2448
2449         if (lc->sip_conf.sdp_200_ack){
2450                 call->media_pending=TRUE;
2451                 sal_call_set_local_media_description(call->op,call->localdesc);
2452         }
2453         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2454         if (lc->vtable.display_status!=NULL)
2455                 lc->vtable.display_status(lc,barmsg);
2456         ms_free(barmsg);
2457
2458         if (err<0){
2459                 if (lc->vtable.display_status!=NULL)
2460                         lc->vtable.display_status(lc,_("Could not call"));
2461                 linphone_call_stop_media_streams(call);
2462                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2463         }else {
2464                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2465         }
2466         ms_free(real_url);
2467         ms_free(from);
2468         return err;
2469 }
2470
2471 /**
2472  * Initiates an outgoing call
2473  *
2474  * @ingroup call_control
2475  * @param lc the LinphoneCore object
2476  * @param url the destination of the call (sip address, or phone number).
2477  *
2478  * The application doesn't own a reference to the returned LinphoneCall object.
2479  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2480  *
2481  * @return a LinphoneCall object or NULL in case of failure
2482 **/
2483 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2484         LinphoneCall *call;
2485         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2486         p->has_video &= !!lc->video_policy.automatically_initiate;
2487         call=linphone_core_invite_with_params(lc,url,p);
2488         linphone_call_params_destroy(p);
2489         return call;
2490 }
2491
2492
2493 /**
2494  * Initiates an outgoing call according to supplied call parameters
2495  *
2496  * @ingroup call_control
2497  * @param lc the LinphoneCore object
2498  * @param url the destination of the call (sip address, or phone number).
2499  * @param p call parameters
2500  *
2501  * The application doesn't own a reference to the returned LinphoneCall object.
2502  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2503  *
2504  * @return a LinphoneCall object or NULL in case of failure
2505 **/
2506 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2507         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2508         if (addr){
2509                 LinphoneCall *call;
2510                 call=linphone_core_invite_address_with_params(lc,addr,p);
2511                 linphone_address_destroy(addr);
2512                 return call;
2513         }
2514         return NULL;
2515 }
2516
2517 /**
2518  * Initiates an outgoing call given a destination LinphoneAddress
2519  *
2520  * @ingroup call_control
2521  * @param lc the LinphoneCore object
2522  * @param addr the destination of the call (sip address).
2523  *
2524  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2525  * created by linphone_core_interpret_url().
2526  * The application doesn't own a reference to the returned LinphoneCall object.
2527  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2528  *
2529  * @return a LinphoneCall object or NULL in case of failure
2530 **/
2531 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2532         LinphoneCall *call;
2533         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2534         p->has_video &= !!lc->video_policy.automatically_initiate;
2535         call=linphone_core_invite_address_with_params (lc,addr,p);
2536         linphone_call_params_destroy(p);
2537         return call;
2538 }
2539
2540
2541 /**
2542  * Initiates an outgoing call given a destination LinphoneAddress
2543  *
2544  * @ingroup call_control
2545  * @param lc the LinphoneCore object
2546  * @param addr the destination of the call (sip address).
2547         @param params call parameters
2548  *
2549  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2550  * created by linphone_core_interpret_url().
2551  * The application doesn't own a reference to the returned LinphoneCall object.
2552  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2553  *
2554  * @return a LinphoneCall object or NULL in case of failure
2555 **/
2556 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2557 {
2558         const char *route=NULL;
2559         const char *from=NULL;
2560         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2561         LinphoneAddress *parsed_url2=NULL;
2562         char *real_url=NULL;
2563         LinphoneCall *call;
2564         bool_t defer = FALSE;
2565
2566         linphone_core_preempt_sound_resources(lc);
2567
2568         if(!linphone_core_can_we_add_call(lc)){
2569                 if (lc->vtable.display_warning)
2570                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2571                 return NULL;
2572         }
2573         linphone_core_get_default_proxy(lc,&proxy);
2574         route=linphone_core_get_route(lc);
2575
2576         real_url=linphone_address_as_string(addr);
2577         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2578
2579         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2580                 ms_message("Overriding default proxy setting for this call:");
2581                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2582         }
2583
2584         if (dest_proxy!=NULL)
2585                 from=linphone_proxy_config_get_identity(dest_proxy);
2586         else if (proxy!=NULL)
2587                 from=linphone_proxy_config_get_identity(proxy);
2588
2589         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2590         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2591
2592         parsed_url2=linphone_address_new(from);
2593
2594         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2595         call->dest_proxy=dest_proxy;
2596         sal_op_set_route(call->op,route);
2597
2598         if(linphone_core_add_call(lc,call)!= 0)
2599         {
2600                 ms_warning("we had a problem in adding the call into the invite ... weird");
2601                 linphone_call_unref(call);
2602                 return NULL;
2603         }
2604         /* this call becomes now the current one*/
2605         lc->current_call=call;
2606         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2607         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2608                 /* Defer the start of the call after the ICE gathering process. */
2609                 linphone_call_init_media_streams(call);
2610                 linphone_call_start_media_streams_for_ice_gathering(call);
2611                 call->start_time=time(NULL);
2612                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2613                         /* Ice candidates gathering failed, proceed with the call anyway. */
2614                         linphone_call_delete_ice_session(call);
2615                         linphone_call_stop_media_streams_for_ice_gathering(call);
2616                 } else {
2617                         defer = TRUE;
2618                 }
2619         }
2620         else if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseUpnp) {
2621 #ifdef BUILD_UPNP
2622                 linphone_call_init_media_streams(call);
2623                 call->start_time=time(NULL);
2624                 if (linphone_core_update_upnp(lc,call)<0) {
2625                         /* uPnP port mappings failed, proceed with the call anyway. */
2626                         linphone_call_delete_upnp_session(call);
2627                 } else {
2628                         defer = TRUE;
2629                 }
2630 #endif //BUILD_UPNP
2631         }
2632
2633         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2634 #ifdef BUILD_UPNP
2635                 if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
2636                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
2637 #else //BUILD_UPNP
2638                 {
2639 #endif //BUILD_UPNP
2640                         /*defer the start of the call after the OPTIONS ping*/
2641                         call->ping_replied=FALSE;
2642                         call->ping_op=sal_op_new(lc->sal);
2643                         sal_ping(call->ping_op,from,real_url);
2644                         sal_op_set_user_pointer(call->ping_op,call);
2645                         call->start_time=time(NULL);
2646                         defer = TRUE;
2647                 }
2648         }
2649
2650         if (defer==FALSE) linphone_core_start_invite(lc,call);
2651
2652         if (real_url!=NULL) ms_free(real_url);
2653         return call;
2654 }
2655
2656 /**
2657  * Performs a simple call transfer to the specified destination.
2658  *
2659  * @ingroup call_control
2660  * The remote endpoint is expected to issue a new call to the specified destination.
2661  * The current call remains active and thus can be later paused or terminated.
2662 **/
2663 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2664 {
2665         char *real_url=NULL;
2666         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2667
2668         if (!real_parsed_url){
2669                 /* bad url */
2670                 return -1;
2671         }
2672         if (call==NULL){
2673                 ms_warning("No established call to refer.");
2674                 return -1;
2675         }
2676         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2677         real_url=linphone_address_as_string (real_parsed_url);
2678         sal_call_refer(call->op,real_url);
2679         ms_free(real_url);
2680         linphone_address_destroy(real_parsed_url);
2681         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2682         return 0;
2683 }
2684
2685 /**
2686  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2687  * @param lc linphone core object
2688  * @param call a running call you want to transfer
2689  * @param dest a running call whose remote person will receive the transfer
2690  *
2691  * @ingroup call_control
2692  *
2693  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2694  * The destination call is a call previously established to introduce the transfered person.
2695  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2696  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2697  * close the call with us (the 'dest' call).
2698 **/
2699 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2700         int result = sal_call_refer_with_replaces (call->op,dest->op);
2701         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2702         return result;
2703 }
2704
2705 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2706         LinphoneCall *call = linphone_core_get_current_call(lc);
2707         if(call != NULL)
2708         {
2709                 if(call->dir==LinphoneCallIncoming
2710                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2711                         return TRUE;
2712         }
2713         return FALSE;
2714 }
2715
2716 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md){
2717         if (linphone_core_is_media_encryption_mandatory(lc) && linphone_core_get_media_encryption(lc)==LinphoneMediaEncryptionSRTP){
2718                 int i;
2719                 for(i=0;i<md->n_active_streams;i++){
2720                         SalStreamDescription *sd=&md->streams[i];
2721                         if (sd->proto!=SalProtoRtpSavp){
2722                                 return TRUE;
2723                         }
2724                 }
2725         }
2726         return FALSE;
2727 }
2728
2729 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2730         char *barmesg;
2731         char *tmp;
2732         LinphoneAddress *from_parsed;
2733         SalMediaDescription *md;
2734         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2735         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2736
2737         linphone_call_make_local_media_description(lc,call);
2738         sal_call_set_local_media_description(call->op,call->localdesc);
2739         md=sal_call_get_final_media_description(call->op);
2740         if (md){
2741                 if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){
2742                         sal_call_decline(call->op,SalReasonMedia,NULL);
2743                         linphone_call_unref(call);
2744                         return;
2745                 }
2746         }
2747
2748         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2749         linphone_address_clean(from_parsed);
2750         tmp=linphone_address_as_string(from_parsed);
2751         linphone_address_destroy(from_parsed);
2752         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2753             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2754         if (lc->vtable.show) lc->vtable.show(lc);
2755         if (lc->vtable.display_status)
2756             lc->vtable.display_status(lc,barmesg);
2757
2758         /* play the ring if this is the only call*/
2759         if (ms_list_size(lc->calls)==1){
2760                 lc->current_call=call;
2761                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2762                         ring_stop(lc->ringstream);
2763                         lc->ringstream=NULL;
2764                         lc->dmfs_playing_start_time=0;
2765                 }
2766                 if (lc->sound_conf.ring_sndcard!=NULL){
2767                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2768                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2769                                 ms_message("Starting local ring...");
2770                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2771                         }
2772                         else
2773                         {
2774                                 ms_message("the local ring is already started");
2775                         }
2776                 }
2777         }else{
2778                 /* else play a tone within the context of the current call */
2779                 call->ringing_beep=TRUE;
2780                 linphone_core_play_named_tone(lc,LinphoneToneCallWaiting);
2781         }
2782
2783         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2784
2785         if (call->state==LinphoneCallIncomingReceived){
2786                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2787
2788                 if (propose_early_media || ringback_tone!=NULL){
2789                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2790                         md=sal_call_get_final_media_description(call->op);
2791                         linphone_core_update_streams(lc,call,md);
2792                 }
2793                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2794                         linphone_core_accept_call(lc,call);
2795                 }
2796         }
2797         linphone_call_unref(call);
2798
2799         ms_free(barmesg);
2800         ms_free(tmp);
2801 }
2802
2803 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2804         const char *subject;
2805         call->camera_active=call->params.has_video;
2806         if (call->ice_session != NULL) {
2807                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2808         }
2809 #ifdef BUILD_UPNP
2810         if(call->upnp_session != NULL) {
2811                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2812         }
2813 #endif //BUILD_UPNP
2814         if (call->params.in_conference){
2815                 subject="Conference";
2816         }else{
2817                 subject="Media change";
2818         }
2819         if (lc->vtable.display_status)
2820                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2821         sal_call_set_local_media_description (call->op,call->localdesc);
2822         return sal_call_update(call->op,subject);
2823 }
2824
2825 /**
2826  * @ingroup call_control
2827  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2828  *
2829  * In this version this is limited to the following use cases:
2830  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2831  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2832  *
2833  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2834  * @param lc the core
2835  * @param call the call to be updated
2836  * @param params the new call parameters to use. (may be NULL)
2837  * @return 0 if successful, -1 otherwise.
2838 **/
2839 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2840         int err=0;
2841 #ifdef VIDEO_ENABLED
2842         bool_t has_video = FALSE;
2843 #endif
2844         if (params!=NULL){
2845                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2846 #ifdef VIDEO_ENABLED
2847                 has_video = call->params.has_video;
2848
2849                 // Video removing
2850                 if((call->videostream != NULL) && !params->has_video) {
2851                         if (call->ice_session != NULL) {
2852                                 ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2853                                 call->videostream->ms.ice_check_list = NULL;
2854                         }
2855 #ifdef BUILD_UPNP
2856                         if(call->upnp_session != NULL) {
2857                                 if (linphone_core_update_upnp(lc, call)<0) {
2858                                         /* uPnP port mappings failed, proceed with the call anyway. */
2859                                         linphone_call_delete_upnp_session(call);
2860                                 }
2861                         }
2862 #endif //BUILD_UPNP
2863                 }
2864
2865                 _linphone_call_params_copy(&call->params,params);
2866                 linphone_call_make_local_media_description(lc, call);
2867
2868                 // Video adding
2869                 if (!has_video && call->params.has_video) {
2870                         if (call->ice_session != NULL) {
2871                                 /* Defer call update until the ICE candidates gathering process has finished. */
2872                                 ms_message("Defer call update to gather ICE candidates");
2873                                 linphone_call_init_video_stream(call);
2874                                 video_stream_prepare_video(call->videostream);
2875                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2876                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2877                                         linphone_call_delete_ice_session(call);
2878                                 } else {
2879                                         return err;
2880                                 }
2881                         }
2882 #ifdef BUILD_UPNP
2883                         if(call->upnp_session != NULL) {
2884                                 ms_message("Defer call update to add uPnP port mappings");
2885                                 linphone_call_init_video_stream(call);
2886                                 video_stream_prepare_video(call->videostream);
2887                                 if (linphone_core_update_upnp(lc, call)<0) {
2888                                         /* uPnP port mappings failed, proceed with the call anyway. */
2889                                         linphone_call_delete_upnp_session(call);
2890                                 } else {
2891                                         return err;
2892                                 }
2893                         }
2894 #endif //BUILD_UPNP
2895                 }
2896 #endif
2897                 err = linphone_core_start_update_call(lc, call);
2898         }else{
2899 #ifdef VIDEO_ENABLED
2900                 if (call->videostream!=NULL){
2901                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2902                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2903                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2904                         }else video_stream_update_video_params(call->videostream);
2905                 }
2906 #endif
2907         }
2908
2909         return err;
2910 }
2911
2912 /**
2913  * @ingroup call_control
2914  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2915  *
2916  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2917  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2918  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2919  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2920  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2921  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2922  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2923  *
2924  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2925 **/
2926 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2927         if (call->state==LinphoneCallUpdatedByRemote){
2928                 call->defer_update=TRUE;
2929                 return 0;
2930         }
2931         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2932         return -1;
2933 }
2934
2935 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2936         SalMediaDescription *md;
2937         if (call->ice_session != NULL) {
2938                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2939                         /* Defer the sending of the answer until there are no losing pairs left. */
2940                         return 0;
2941                 }
2942                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2943         }
2944 #ifdef BUILD_UPNP
2945         if(call->upnp_session != NULL) {
2946                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2947         }
2948 #endif //BUILD_UPNP
2949         linphone_call_update_remote_session_id_and_ver(call);
2950         sal_call_set_local_media_description(call->op,call->localdesc);
2951         sal_call_accept(call->op);
2952         md=sal_call_get_final_media_description(call->op);
2953         if (md && !sal_media_description_empty(md))
2954                 linphone_core_update_streams (lc,call,md);
2955         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2956         return 0;
2957 }
2958
2959 /**
2960  * @ingroup call_control
2961  * Accept call modifications initiated by other end.
2962  *
2963  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2964  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2965  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2966  * requested by the other party, such as whether a video stream is requested.
2967  *
2968  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2969  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2970  * If params is not NULL, then the update will be accepted according to the parameters passed.
2971  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2972  * (see linphone_call_params_enable_video()).
2973  * @param lc the linphone core object.
2974  * @param call the LinphoneCall object
2975  * @param params a LinphoneCallParams object describing the call parameters to accept.
2976  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2977 **/
2978 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2979         SalMediaDescription *remote_desc;
2980         bool_t keep_sdp_version;
2981 #ifdef VIDEO_ENABLED
2982         bool_t old_has_video = call->params.has_video;
2983 #endif
2984         if (call->state!=LinphoneCallUpdatedByRemote){
2985                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2986                          linphone_call_state_to_string(call->state));
2987                 return -1;
2988         }
2989         remote_desc = sal_call_get_remote_media_description(call->op);
2990         keep_sdp_version = lp_config_get_int(lc->config, "sip", "keep_sdp_version", 0);
2991         if (keep_sdp_version &&(remote_desc->session_id == call->remote_session_id) && (remote_desc->session_ver == call->remote_session_ver)) {
2992                 /* Remote has sent an INVITE with the same SDP as before, so send a 200 OK with the same SDP as before. */
2993                 ms_warning("SDP version has not changed, send same SDP as before.");
2994                 sal_call_accept(call->op);
2995                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2996                 return 0;
2997         }
2998         if (params==NULL){
2999                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
3000         }else
3001                 call->params=*params;
3002
3003         if (call->params.has_video && !linphone_core_video_enabled(lc)){
3004                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
3005                 call->params.has_video=FALSE;
3006         }
3007         if (call->current_params.in_conference) {
3008                 ms_warning("Video isn't supported in conference");
3009                 call->params.has_video = FALSE;
3010         }
3011         call->params.has_video &= linphone_core_media_description_contains_video_stream(remote_desc);
3012         call->camera_active=call->params.has_video;
3013         linphone_call_make_local_media_description(lc,call);
3014         if (call->ice_session != NULL) {
3015                 linphone_core_update_ice_from_remote_media_description(call, remote_desc);
3016 #ifdef VIDEO_ENABLED
3017                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
3018                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3019                                 linphone_call_init_video_stream(call);
3020                                 video_stream_prepare_video(call->videostream);
3021                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
3022                                         /* Ice candidates gathering failed, proceed with the call anyway. */
3023                                         linphone_call_delete_ice_session(call);
3024                                 } else return 0;
3025                         }
3026                 }
3027 #endif //VIDEO_ENABLED
3028         }
3029
3030 #ifdef BUILD_UPNP
3031         if(call->upnp_session != NULL) {
3032                 linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
3033 #ifdef VIDEO_ENABLED
3034                 if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3035                         linphone_call_init_video_stream(call);
3036                         video_stream_prepare_video(call->videostream);
3037                         if (linphone_core_update_upnp(lc, call)<0) {
3038                                 /* uPnP update failed, proceed with the call anyway. */
3039                                 linphone_call_delete_upnp_session(call);
3040                         } else return 0;
3041                 }
3042 #endif //VIDEO_ENABLED
3043         }
3044 #endif //BUILD_UPNP
3045
3046         linphone_core_start_accept_call_update(lc, call);
3047         return 0;
3048 }
3049
3050 /**
3051  * Accept an incoming call.
3052  *
3053  * @ingroup call_control
3054  * Basically the application is notified of incoming calls within the
3055  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3056  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3057  * The application can later accept the call using this method.
3058  * @param lc the LinphoneCore object
3059  * @param call the LinphoneCall object representing the call to be answered.
3060  *
3061 **/
3062 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
3063         return linphone_core_accept_call_with_params(lc,call,NULL);
3064 }
3065
3066 /**
3067  * Accept an incoming call, with parameters.
3068  *
3069  * @ingroup call_control
3070  * Basically the application is notified of incoming calls within the
3071  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3072  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3073  * The application can later accept the call using
3074  * this method.
3075  * @param lc the LinphoneCore object
3076  * @param call the LinphoneCall object representing the call to be answered.
3077  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
3078  *
3079 **/
3080 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
3081 {
3082         LinphoneProxyConfig *cfg=NULL;
3083         const char *contact=NULL;
3084         SalOp *replaced;
3085         SalMediaDescription *new_md;
3086         bool_t was_ringing=FALSE;
3087
3088         if (call==NULL){
3089                 //if just one call is present answer the only one ...
3090                 if(linphone_core_get_calls_nb (lc) != 1)
3091                         return -1;
3092                 else
3093                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
3094         }
3095
3096         if (call->state==LinphoneCallConnected){
3097                 /*call already accepted*/
3098                 return -1;
3099         }
3100
3101         /* check if this call is supposed to replace an already running one*/
3102         replaced=sal_call_get_replaces(call->op);
3103         if (replaced){
3104                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
3105                 if (rc){
3106                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
3107                                    call,rc);
3108                         linphone_core_terminate_call(lc,rc);
3109                 }
3110         }
3111
3112         if (lc->current_call!=call){
3113                 linphone_core_preempt_sound_resources(lc);
3114         }
3115
3116         /*stop ringing */
3117         if (lc->ringstream!=NULL) {
3118                 ms_message("stop ringing");
3119                 ring_stop(lc->ringstream);
3120                 ms_message("ring stopped");
3121                 lc->ringstream=NULL;
3122                 was_ringing=TRUE;
3123         }
3124         if (call->ringing_beep){
3125                 linphone_core_stop_dtmf(lc);
3126                 call->ringing_beep=FALSE;
3127         }
3128
3129         linphone_core_get_default_proxy(lc,&cfg);
3130         call->dest_proxy=cfg;
3131         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
3132
3133         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
3134                 ms_message("Overriding default proxy setting for this call:");
3135                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
3136         }
3137         /*try to be best-effort in giving real local or routable contact address*/
3138         contact=get_fixed_contact(lc,call,call->dest_proxy);
3139         if (contact)
3140                 sal_op_set_contact(call->op,contact);
3141
3142         if (params){
3143                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
3144                 _linphone_call_params_copy(&call->params,params);
3145                 // There might not be a md if the INVITE was lacking an SDP
3146                 // In this case we use the parameters as is.
3147                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
3148                 call->camera_active=call->params.has_video;
3149                 linphone_call_make_local_media_description(lc,call);
3150                 sal_call_set_local_media_description(call->op,call->localdesc);
3151         }
3152
3153         if (call->audiostream==NULL)
3154                 linphone_call_init_media_streams(call);
3155         if (!was_ringing && call->audiostream->ms.ticker==NULL){
3156                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
3157         }
3158
3159         linphone_call_update_remote_session_id_and_ver(call);
3160         sal_call_accept(call->op);
3161         if (lc->vtable.display_status!=NULL)
3162                 lc->vtable.display_status(lc,_("Connected."));
3163         lc->current_call=call;
3164         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
3165         new_md=sal_call_get_final_media_description(call->op);
3166         linphone_core_update_streams(lc, call, new_md);
3167         if (new_md){
3168                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
3169         }else call->media_pending=TRUE;
3170
3171         ms_message("call answered.");
3172         return 0;
3173 }
3174
3175 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
3176         sal_call_terminate(call->op);
3177
3178         /*stop ringing*/
3179         if (lc->ringstream!=NULL) {
3180                 ring_stop(lc->ringstream);
3181                 lc->ringstream=NULL;
3182         }
3183         linphone_call_stop_media_streams(call);
3184
3185 #ifdef BUILD_UPNP
3186         linphone_call_delete_upnp_session(call);
3187 #endif //BUILD_UPNP
3188
3189         if (lc->vtable.display_status!=NULL)
3190                 lc->vtable.display_status(lc,_("Call aborted") );
3191         linphone_call_set_state(call,LinphoneCallError,error);
3192         return 0;
3193 }
3194
3195 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
3196         if (call->state==LinphoneCallIncomingReceived){
3197                 if (call->reason!=LinphoneReasonNotAnswered)
3198                         call->reason=LinphoneReasonDeclined;
3199         }
3200         /*stop ringing*/
3201         if (lc->ringstream!=NULL) {
3202                 ring_stop(lc->ringstream);
3203                 lc->ringstream=NULL;
3204         }
3205
3206         linphone_call_stop_media_streams(call);
3207
3208 #ifdef BUILD_UPNP
3209         linphone_call_delete_upnp_session(call);
3210 #endif //BUILD_UPNP
3211
3212         if (lc->vtable.display_status!=NULL)
3213                 lc->vtable.display_status(lc,_("Call ended") );
3214         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
3215 }
3216
3217 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
3218         if (call->state==LinphoneCallIncomingReceived){
3219                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
3220                 call->reason=LinphoneReasonDeclined;
3221                 terminate_call(lc,call);
3222         }else{
3223                 ms_error("Bad state for call redirection.");
3224                 return -1;
3225     }
3226         return 0;
3227 }
3228
3229
3230 /**
3231  * Terminates a call.
3232  *
3233  * @ingroup call_control
3234  * @param lc the LinphoneCore
3235  * @param the_call the LinphoneCall object representing the call to be terminated.
3236 **/
3237 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3238 {
3239         LinphoneCall *call;
3240         if (the_call == NULL){
3241                 call = linphone_core_get_current_call(lc);
3242                 if (ms_list_size(lc->calls)==1){
3243                         call=(LinphoneCall*)lc->calls->data;
3244                 }else{
3245                         ms_warning("No unique call to terminate !");
3246                         return -1;
3247                 }
3248         }
3249         else
3250         {
3251                 call = the_call;
3252         }
3253         sal_call_terminate(call->op);
3254         terminate_call(lc,call);
3255         return 0;
3256 }
3257
3258 /**
3259  * Decline a pending incoming call, with a reason.
3260  *
3261  * @ingroup call_control
3262  *
3263  * @param lc the linphone core
3264  * @param call the LinphoneCall, must be in the IncomingReceived state.
3265  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3266 **/
3267 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3268         SalReason sal_reason=SalReasonUnknown;
3269         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3270                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3271                 return -1;
3272         }
3273         switch(reason){
3274                 case LinphoneReasonDeclined:
3275                         sal_reason=SalReasonDeclined;
3276                 break;
3277                 case LinphoneReasonBusy:
3278                         sal_reason=SalReasonBusy;
3279                 break;
3280                 default:
3281                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3282                         return -1;
3283                 break;
3284         }
3285         sal_call_decline(call->op,sal_reason,NULL);
3286         terminate_call(lc,call);
3287         return 0;
3288 }
3289
3290 /**
3291  * Terminates all the calls.
3292  *
3293  * @ingroup call_control
3294  * @param lc The LinphoneCore
3295 **/
3296 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3297         MSList *calls=lc->calls;
3298         while(calls) {
3299                 LinphoneCall *c=(LinphoneCall*)calls->data;
3300                 calls=calls->next;
3301                 linphone_core_terminate_call(lc,c);
3302         }
3303         return 0;
3304 }
3305
3306 /**
3307  * Returns the current list of calls.
3308  *
3309  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3310  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3311  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3312  *
3313  * @ingroup call_control
3314 **/
3315 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3316 {
3317         return lc->calls;
3318 }
3319
3320 /**
3321  * Returns TRUE if there is a call running.
3322  *
3323  * @ingroup call_control
3324 **/
3325 bool_t linphone_core_in_call(const LinphoneCore *lc){
3326         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3327 }
3328
3329 /**
3330  * Returns The _LinphoneCall struct of the current call if one is in call
3331  *
3332  * @ingroup call_control
3333 **/
3334 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc){
3335         return lc->current_call;
3336 }
3337
3338 /**
3339  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3340  * this file will be played to the remote user.
3341  *
3342  * @ingroup call_control
3343 **/
3344 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call){
3345         int err=_linphone_core_pause_call(lc,call);
3346         if (err==0)  call->paused_by_app=TRUE;
3347         return err;
3348 }
3349
3350 /* Internal version that does not play tone indication*/
3351 int _linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3352 {
3353         const char *subject=NULL;
3354
3355         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3356                 ms_warning("Cannot pause this call, it is not active.");
3357                 return -1;
3358         }
3359         linphone_call_make_local_media_description(lc,call);
3360         if (call->ice_session != NULL) {
3361                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3362         }
3363 #ifdef BUILD_UPNP
3364         if(call->upnp_session != NULL) {
3365                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3366         }
3367 #endif //BUILD_UPNP
3368         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3369                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3370                 subject="Call on hold";
3371         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3372                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3373                 subject="Call on hold for me too";
3374         }else{
3375                 ms_error("No reason to pause this call, it is already paused or inactive.");
3376                 return -1;
3377         }
3378         sal_call_set_local_media_description(call->op,call->localdesc);
3379         if (sal_call_update(call->op,subject) != 0){
3380                 if (lc->vtable.display_warning)
3381                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3382         }
3383         lc->current_call=NULL;
3384         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3385         if (lc->vtable.display_status)
3386                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3387         if (call->audiostream || call->videostream)
3388                 linphone_call_stop_media_streams (call);
3389         call->paused_by_app=FALSE;
3390         return 0;
3391 }
3392
3393 /**
3394  * Pause all currently running calls.
3395  * @ingroup call_control
3396 **/
3397 int linphone_core_pause_all_calls(LinphoneCore *lc){
3398         const MSList *elem;
3399         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3400                 LinphoneCall *call=(LinphoneCall *)elem->data;
3401                 LinphoneCallState cs=linphone_call_get_state(call);
3402                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3403                         _linphone_core_pause_call(lc,call);
3404                 }
3405         }
3406         return 0;
3407 }
3408
3409 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3410         LinphoneCall *current_call;
3411         if (linphone_core_is_in_conference(lc)){
3412                 linphone_core_leave_conference(lc);
3413                 return;
3414         }
3415         current_call=linphone_core_get_current_call(lc);
3416         if(current_call != NULL){
3417                 ms_message("Pausing automatically the current call.");
3418                 _linphone_core_pause_call(lc,current_call);
3419         }
3420         if (lc->ringstream){
3421                 ring_stop(lc->ringstream);
3422                 lc->ringstream=NULL;
3423         }
3424 }
3425
3426 /**
3427  * Resumes the call.
3428  *
3429  * @ingroup call_control
3430 **/
3431 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3432 {
3433         char temp[255]={0};
3434         LinphoneCall *call = the_call;
3435         const char *subject="Call resuming";
3436
3437         if(call->state!=LinphoneCallPaused ){
3438                 ms_warning("we cannot resume a call that has not been established and paused before");
3439                 return -1;
3440         }
3441         if (call->params.in_conference==FALSE){
3442                 linphone_core_preempt_sound_resources(lc);
3443                 ms_message("Resuming call %p",call);
3444         }
3445
3446         /* Stop playing music immediately. If remote side is a conference it
3447          prevents the participants to hear it while the 200OK comes back.*/
3448         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3449
3450         linphone_call_make_local_media_description(lc,the_call);
3451         if (call->ice_session != NULL) {
3452                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3453         }
3454 #ifdef BUILD_UPNP
3455         if(call->upnp_session != NULL) {
3456                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3457         }
3458 #endif //BUILD_UPNP
3459         sal_call_set_local_media_description(call->op,call->localdesc);
3460         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3461         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3462         if(sal_call_update(call->op,subject) != 0){
3463                 return -1;
3464         }
3465         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3466         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3467         if (lc->vtable.display_status)
3468                 lc->vtable.display_status(lc,temp);
3469         return 0;
3470 }
3471
3472 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3473         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3474         return !linphone_address_weak_equal (addr,raddr);
3475 }
3476
3477 /**
3478  * Get the call with the remote_address specified
3479  * @param lc
3480  * @param remote_address
3481  * @return the LinphoneCall of the call if found
3482  *
3483  * @ingroup call_control
3484  */
3485 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3486         LinphoneAddress *raddr=linphone_address_new(remote_address);
3487         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3488         if (elem) return (LinphoneCall*) elem->data;
3489         return NULL;
3490 }
3491
3492 int linphone_core_send_publish(LinphoneCore *lc,
3493                                LinphoneOnlineStatus presence_mode)
3494 {
3495         const MSList *elem;
3496         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3497                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3498                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3499         }
3500         return 0;
3501 }
3502
3503 /**
3504  * Set the incoming call timeout in seconds.
3505  *
3506  * @ingroup call_control
3507  * If an incoming call isn't answered for this timeout period, it is
3508  * automatically declined.
3509 **/
3510 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3511         lc->sip_conf.inc_timeout=seconds;
3512         if (linphone_core_ready(lc)){
3513                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3514         }
3515 }
3516
3517 /**
3518  * Returns the incoming call timeout
3519  *
3520  * @ingroup call_control
3521  * See linphone_core_set_inc_timeout() for details.
3522 **/
3523 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3524         return lc->sip_conf.inc_timeout;
3525 }
3526
3527 /**
3528  * Set the in call timeout in seconds.
3529  *
3530  * @ingroup call_control
3531  * After this timeout period, the call is automatically hangup.
3532 **/
3533 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3534         lc->sip_conf.in_call_timeout=seconds;
3535 }
3536
3537 /**
3538  * Returns the in call timeout
3539  *
3540  * @ingroup call_control
3541  * See linphone_core_set_in_call_timeout() for details.
3542 **/
3543 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3544         return lc->sip_conf.in_call_timeout;
3545 }
3546
3547 /**
3548  * Returns the delayed timeout
3549  *
3550  * @ingroup call_control
3551  * See linphone_core_set_delayed_timeout() for details.
3552 **/
3553 int linphone_core_get_delayed_timeout(LinphoneCore *lc){
3554         return lc->sip_conf.delayed_timeout;
3555 }
3556
3557 /**
3558  * Set the in delayed timeout in seconds.
3559  *
3560  * @ingroup call_control
3561  * After this timeout period, a delayed call (internal call initialisation or resolution) is resumed.
3562 **/
3563 void linphone_core_set_delayed_timeout(LinphoneCore *lc, int seconds){
3564         lc->sip_conf.delayed_timeout=seconds;
3565 }
3566
3567 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3568                                                                                                         const char *contact,
3569                                                                                                         LinphoneOnlineStatus presence_mode)
3570 {
3571         if (minutes_away>0) lc->minutes_away=minutes_away;
3572
3573         if (lc->alt_contact!=NULL) {
3574                 ms_free(lc->alt_contact);
3575                 lc->alt_contact=NULL;
3576         }
3577         if (contact) lc->alt_contact=ms_strdup(contact);
3578         if (lc->presence_mode!=presence_mode){
3579                 linphone_core_notify_all_friends(lc,presence_mode);
3580                 /*
3581                    Improve the use of all LINPHONE_STATUS available.
3582                    !TODO Do not mix "presence status" with "answer status code"..
3583                    Use correct parameter to follow sip_if_match/sip_etag.
3584                  */
3585                 linphone_core_send_publish(lc,presence_mode);
3586         }
3587         lc->presence_mode=presence_mode;
3588 }
3589
3590 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3591         return lc->presence_mode;
3592 }
3593
3594 /**
3595  * Get playback sound level in 0-100 scale.
3596  *
3597  * @ingroup media_parameters
3598 **/
3599 int linphone_core_get_play_level(LinphoneCore *lc)
3600 {
3601         return lc->sound_conf.play_lev;
3602 }
3603
3604 /**
3605  * Get ring sound level in 0-100 scale
3606  *
3607  * @ingroup media_parameters
3608 **/
3609 int linphone_core_get_ring_level(LinphoneCore *lc)
3610 {
3611         return lc->sound_conf.ring_lev;
3612 }
3613
3614 /**
3615  * Get sound capture level in 0-100 scale
3616  *
3617  * @ingroup media_parameters
3618 **/
3619 int linphone_core_get_rec_level(LinphoneCore *lc){
3620         return lc->sound_conf.rec_lev;
3621 }
3622
3623 /**
3624  * Set sound ring level in 0-100 scale
3625  *
3626  * @ingroup media_parameters
3627 **/
3628 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3629         MSSndCard *sndcard;
3630         lc->sound_conf.ring_lev=level;
3631         sndcard=lc->sound_conf.ring_sndcard;
3632         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3633 }
3634
3635 /**
3636  * Allow to control microphone level:  gain in db
3637  *
3638  * @ingroup media_parameters
3639 **/
3640 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3641         float gain=gaindb;
3642         LinphoneCall *call=linphone_core_get_current_call (lc);
3643         AudioStream *st;
3644
3645         lc->sound_conf.soft_mic_lev=gaindb;
3646
3647         if (linphone_core_ready(lc)){
3648                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3649         }
3650
3651         if (call==NULL || (st=call->audiostream)==NULL){
3652                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3653                 return;
3654         }
3655         if (st->volrecv){
3656                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3657         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3658 }
3659
3660 /**
3661  * Get microphone gain in db.
3662  *
3663  * @ingroup media_parameters
3664 **/
3665 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3666         return lc->sound_conf.soft_mic_lev;
3667 }
3668
3669 /**
3670  * Allow to control play level before entering sound card:  gain in db
3671  *
3672  * @ingroup media_parameters
3673 **/
3674 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3675         float gain=gaindb;
3676         LinphoneCall *call=linphone_core_get_current_call (lc);
3677         AudioStream *st;
3678
3679         lc->sound_conf.soft_play_lev=gaindb;
3680         if (linphone_core_ready(lc)){
3681                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3682         }
3683
3684         if (call==NULL || (st=call->audiostream)==NULL){
3685                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3686                 return;
3687         }
3688         if (st->volrecv){
3689                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3690         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3691 }
3692
3693 /**
3694  * Get playback gain in db before entering  sound card.
3695  *
3696  * @ingroup media_parameters
3697 **/
3698 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3699         return lc->sound_conf.soft_play_lev;
3700 }
3701
3702 /**
3703  * Set sound playback level in 0-100 scale
3704  *
3705  * @ingroup media_parameters
3706 **/
3707 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3708         MSSndCard *sndcard;
3709         lc->sound_conf.play_lev=level;
3710         sndcard=lc->sound_conf.play_sndcard;
3711         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3712 }
3713
3714 /**
3715  * Set sound capture level in 0-100 scale
3716  *
3717  * @ingroup media_parameters
3718 **/
3719 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3720 {
3721         MSSndCard *sndcard;
3722         lc->sound_conf.rec_lev=level;
3723         sndcard=lc->sound_conf.capt_sndcard;
3724         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3725 }
3726
3727 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3728         MSSndCard *sndcard=NULL;
3729         if (devid!=NULL){
3730                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3731                 if (sndcard!=NULL &&
3732                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3733                         ms_warning("%s card does not have the %s capability, ignoring.",
3734                                 devid,
3735                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3736                         sndcard=NULL;
3737                 }
3738         }
3739         if (sndcard==NULL) {
3740                 /* get a card that has read+write capabilities */
3741                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3742                 /* otherwise refine to the first card having the right capability*/
3743                 if (sndcard==NULL){
3744                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3745                         for(;elem!=NULL;elem=elem->next){
3746                                 sndcard=(MSSndCard*)elem->data;
3747                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3748                         }
3749                 }
3750                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3751                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3752                         if (elem) sndcard=(MSSndCard*)elem->data;
3753         }
3754         }
3755         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3756         return sndcard;
3757 }
3758
3759 /**
3760  * Returns true if the specified sound device can capture sound.
3761  *
3762  * @ingroup media_parameters
3763  * @param lc The LinphoneCore object
3764  * @param devid the device name as returned by linphone_core_get_sound_devices()
3765 **/
3766 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3767         MSSndCard *sndcard;
3768         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3769         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3770         return FALSE;
3771 }
3772
3773 /**
3774  * Returns true if the specified sound device can play sound.
3775  *
3776  * @ingroup media_parameters
3777  * @param lc The LinphoneCore object
3778  * @param devid the device name as returned by linphone_core_get_sound_devices()
3779 **/
3780 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3781         MSSndCard *sndcard;
3782         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3783         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3784         return FALSE;
3785 }
3786
3787 /**
3788  * Sets the sound device used for ringing.
3789  *
3790  * @ingroup media_parameters
3791  * @param lc The LinphoneCore object
3792  * @param devid the device name as returned by linphone_core_get_sound_devices()
3793 **/
3794 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3795         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3796         lc->sound_conf.ring_sndcard=card;
3797         if (card && linphone_core_ready(lc))
3798                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3799         return 0;
3800 }
3801
3802 /**
3803  * Sets the sound device used for playback.
3804  *
3805  * @ingroup media_parameters
3806  * @param lc The LinphoneCore object
3807  * @param devid the device name as returned by linphone_core_get_sound_devices()
3808 **/
3809 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3810         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3811         lc->sound_conf.play_sndcard=card;
3812         if (card &&  linphone_core_ready(lc))
3813                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3814         return 0;
3815 }
3816
3817 /**
3818  * Sets the sound device used for capture.
3819  *
3820  * @ingroup media_parameters
3821  * @param lc The LinphoneCore object
3822  * @param devid the device name as returned by linphone_core_get_sound_devices()
3823 **/
3824 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3825         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3826         lc->sound_conf.capt_sndcard=card;
3827         if (card &&  linphone_core_ready(lc))
3828                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3829         return 0;
3830 }
3831
3832 /**
3833  * Returns the name of the currently assigned sound device for ringing.
3834  *
3835  * @ingroup media_parameters
3836  * @param lc The LinphoneCore object
3837 **/
3838 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3839 {
3840         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3841         return NULL;
3842 }
3843
3844 /**
3845  * Returns the name of the currently assigned sound device for playback.
3846  *
3847  * @ingroup media_parameters
3848  * @param lc The LinphoneCore object
3849 **/
3850 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3851 {
3852         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3853 }
3854
3855 /**
3856  * Returns the name of the currently assigned sound device for capture.
3857  *
3858  * @ingroup media_parameters
3859  * @param lc The LinphoneCore object
3860 **/
3861 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3862 {
3863         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3864 }
3865
3866 /**
3867  * Returns an unmodifiable array of available sound devices.
3868  *
3869  * The array is NULL terminated.
3870  *
3871  * @ingroup media_parameters
3872  * @param lc The LinphoneCore object
3873 **/
3874 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3875         return lc->sound_conf.cards;
3876 }
3877
3878 /**
3879  * Returns an unmodifiable array of available video capture devices.
3880  *
3881  * @ingroup media_parameters
3882  * The array is NULL terminated.
3883 **/
3884 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3885         return lc->video_conf.cams;
3886 }
3887
3888 /**
3889  * Update detection of sound devices.
3890  *
3891  * Use this function when the application is notified of USB plug events, so that
3892  * list of available hardwares for sound playback and capture is updated.
3893  **/
3894 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3895         const char *ringer,*playback,*capture;
3896         ringer=linphone_core_get_ringer_device(lc);
3897         playback=linphone_core_get_playback_device(lc);
3898         capture=linphone_core_get_capture_device(lc);
3899         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3900         build_sound_devices_table(lc);
3901         linphone_core_set_ringer_device(lc,ringer);
3902         linphone_core_set_playback_device(lc,playback);
3903         linphone_core_set_capture_device(lc,capture);
3904 }
3905
3906 /**
3907  * Update detection of camera devices.
3908  *
3909  * Use this function when the application is notified of USB plug events, so that
3910  * list of available hardwares for video capture is updated.
3911  **/
3912 void linphone_core_reload_video_devices(LinphoneCore *lc){
3913         const char *devid;
3914         devid=linphone_core_get_video_device(lc);
3915         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3916         build_video_devices_table(lc);
3917         linphone_core_set_video_device(lc,devid);
3918 }
3919
3920 char linphone_core_get_sound_source(LinphoneCore *lc)
3921 {
3922         return lc->sound_conf.source;
3923 }
3924
3925 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3926 {
3927         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3928         lc->sound_conf.source=source;
3929         if (!sndcard) return;
3930         switch(source){
3931                 case 'm':
3932                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3933                         break;
3934                 case 'l':
3935                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3936                         break;
3937         }
3938
3939 }
3940
3941
3942 /**
3943  * Sets the path to a wav file used for ringing.
3944  *
3945  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3946  * @param lc The LinphoneCore object
3947  *
3948  * @ingroup media_parameters
3949 **/
3950 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3951         if (lc->sound_conf.local_ring!=0){
3952                 ms_free(lc->sound_conf.local_ring);
3953                 lc->sound_conf.local_ring=NULL;
3954         }
3955         if (path)
3956                 lc->sound_conf.local_ring=ms_strdup(path);
3957         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3958                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3959 }
3960
3961 /**
3962  * Returns the path to the wav file used for ringing.
3963  *
3964  * @param lc The LinphoneCore object
3965  * @ingroup media_parameters
3966 **/
3967 const char *linphone_core_get_ring(const LinphoneCore *lc){
3968         return lc->sound_conf.local_ring;
3969 }
3970
3971 /**
3972  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3973  *
3974  * @param path
3975  * @param lc The LinphoneCore object
3976  *
3977  * @ingroup initializing
3978 **/
3979 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3980         sal_set_root_ca(lc->sal, path);
3981 }
3982
3983 /**
3984  * Gets the path to a file or folder containing the trusted root CAs (PEM format)
3985  *
3986  * @param lc The LinphoneCore object
3987  *
3988  * @ingroup initializing
3989 **/
3990 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3991         return sal_get_root_ca(lc->sal);
3992 }
3993
3994 /**
3995  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3996  *
3997  * @ingroup initializing
3998 **/
3999 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
4000         sal_verify_server_certificates(lc->sal,yesno);
4001 }
4002
4003 /**
4004  * Specify whether the tls server certificate common name must be verified when connecting to a SIP/TLS server.
4005  * @ingroup initializing
4006 **/
4007 void linphone_core_verify_server_cn(LinphoneCore *lc, bool_t yesno){
4008         sal_verify_server_cn(lc->sal,yesno);
4009 }
4010
4011 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
4012         LinphoneCore *lc=(LinphoneCore*)ud;
4013         lc->preview_finished=1;
4014 }
4015
4016 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
4017 {
4018         if (lc->ringstream!=0){
4019                 ms_warning("Cannot start ring now,there's already a ring being played");
4020                 return -1;
4021         }
4022         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
4023         lc->preview_finished=0;
4024         if (lc->sound_conf.ring_sndcard!=NULL){
4025                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4026                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
4027         }
4028         return 0;
4029 }
4030
4031 /**
4032  * Sets the path to a wav file used for ringing back.
4033  *
4034  * Ringback means the ring that is heard when it's ringing at the remote party.
4035  * The file must be a wav 16bit linear.
4036  *
4037  * @ingroup media_parameters
4038 **/
4039 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
4040         if (lc->sound_conf.remote_ring!=0){
4041                 ms_free(lc->sound_conf.remote_ring);
4042         }
4043         lc->sound_conf.remote_ring=ms_strdup(path);
4044 }
4045
4046 /**
4047  * Returns the path to the wav file used for ringing back.
4048  *
4049  * @ingroup media_parameters
4050 **/
4051 const char * linphone_core_get_ringback(const LinphoneCore *lc){
4052         return lc->sound_conf.remote_ring;
4053 }
4054
4055 /**
4056  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
4057  *
4058  * @ingroup media_parameters
4059 **/
4060 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
4061         lc->sound_conf.ec=val;
4062         if ( linphone_core_ready(lc))
4063                 lp_config_set_int(lc->config,"sound","echocancellation",val);
4064 }
4065
4066
4067 /**
4068  * Returns TRUE if echo cancellation is enabled.
4069  *
4070  * @ingroup media_parameters
4071 **/
4072 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
4073         return lc->sound_conf.ec;
4074 }
4075
4076 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
4077         lc->sound_conf.ea=val;
4078 }
4079
4080 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
4081         return lc->sound_conf.ea;
4082 }
4083
4084 /**
4085  * Mutes or unmutes the local microphone.
4086  *
4087  * @ingroup media_parameters
4088 **/
4089 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
4090         LinphoneCall *call=linphone_core_get_current_call(lc);
4091         AudioStream *st=NULL;
4092         if (linphone_core_is_in_conference(lc)){
4093                 lc->conf_ctx.local_muted=val;
4094                 st=lc->conf_ctx.local_participant;
4095         }else if (call==NULL){
4096                 ms_warning("linphone_core_mute_mic(): No current call !");
4097                 return;
4098         }else{
4099                 st=call->audiostream;
4100                 call->audio_muted=val;
4101         }
4102         if (st!=NULL){
4103                 audio_stream_set_mic_gain(st,
4104                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
4105                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
4106                         audio_stream_mute_rtp(st,val);
4107                 }
4108
4109         }
4110 }
4111 /**
4112  * Returns whether microphone is muted.
4113 **/
4114 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
4115         LinphoneCall *call=linphone_core_get_current_call(lc);
4116         if (linphone_core_is_in_conference(lc)){
4117                 return lc->conf_ctx.local_muted;
4118         }else if (call==NULL){
4119                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4120                 return FALSE;
4121         }
4122         return call->audio_muted;
4123 }
4124
4125 // returns rtp transmission status for an active stream
4126 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
4127 // was set on then rtp transmission is also muted
4128 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
4129         LinphoneCall *call=linphone_core_get_current_call(lc);
4130         if (call==NULL){
4131                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4132                 return FALSE;
4133         }
4134         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
4135                 return call->audio_muted;
4136         }
4137         return FALSE;
4138 }
4139
4140 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
4141         lc->sound_conf.agc=val;
4142 }
4143
4144 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
4145         return lc->sound_conf.agc;
4146 }
4147
4148 /**
4149  * Send the specified dtmf.
4150  *
4151  * @ingroup media_parameters
4152  * This function only works during calls. The dtmf is automatically played to the user.
4153  * @param lc The LinphoneCore object
4154  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
4155  *
4156 **/
4157 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
4158 {
4159         LinphoneCall *call=linphone_core_get_current_call(lc);
4160         if (call==NULL){
4161                 ms_warning("linphone_core_send_dtmf(): no active call");
4162                 return;
4163         }
4164         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
4165         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
4166         {
4167                 /* In Band DTMF */
4168                 if (call->audiostream!=NULL){
4169                         audio_stream_send_dtmf(call->audiostream,dtmf);
4170                 }
4171                 else
4172                 {
4173                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
4174                 }
4175         }
4176         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
4177                 /* Out of Band DTMF (use INFO method) */
4178                 sal_call_send_dtmf(call->op,dtmf);
4179         }
4180 }
4181
4182 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
4183         if (lc->net_conf.stun_server!=NULL)
4184                 ms_free(lc->net_conf.stun_server);
4185         if (server)
4186                 lc->net_conf.stun_server=ms_strdup(server);
4187         else lc->net_conf.stun_server=NULL;
4188         if (linphone_core_ready(lc))
4189                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
4190 }
4191
4192 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
4193         return lc->net_conf.stun_server;
4194 }
4195
4196 bool_t linphone_core_upnp_available(){
4197 #ifdef BUILD_UPNP
4198         return TRUE;
4199 #else
4200         return FALSE;
4201 #endif //BUILD_UPNP
4202 }
4203
4204 LinphoneUpnpState linphone_core_get_upnp_state(const LinphoneCore *lc){
4205 #ifdef BUILD_UPNP
4206         return linphone_upnp_context_get_state(lc->upnp);
4207 #else
4208         return LinphoneUpnpStateNotAvailable;
4209 #endif //BUILD_UPNP
4210 }
4211
4212 const char * linphone_core_get_upnp_external_ipaddress(const LinphoneCore *lc){
4213 #ifdef BUILD_UPNP
4214         return linphone_upnp_context_get_external_ipaddress(lc->upnp);
4215 #else
4216         return NULL;
4217 #endif //BUILD_UPNP
4218 }
4219
4220
4221 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
4222         return lc->net_conf.relay;
4223 }
4224
4225 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
4226         if (lc->net_conf.relay!=NULL){
4227                 ms_free(lc->net_conf.relay);
4228                 lc->net_conf.relay=NULL;
4229         }
4230         if (addr){
4231                 lc->net_conf.relay=ms_strdup(addr);
4232         }
4233         return 0;
4234 }
4235
4236 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
4237 {
4238         if (lc->net_conf.nat_address!=NULL){
4239                 ms_free(lc->net_conf.nat_address);
4240         }
4241         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
4242         else lc->net_conf.nat_address=NULL;
4243         if (lc->sip_conf.contact) update_primary_contact(lc);
4244 }
4245
4246 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
4247         return lc->net_conf.nat_address;
4248 }
4249
4250 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
4251 {
4252         struct sockaddr_storage ss;
4253         socklen_t ss_len;
4254         int error;
4255         char ipstring [INET6_ADDRSTRLEN];
4256
4257         if (lc->net_conf.nat_address==NULL) return NULL;
4258
4259         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
4260                 return lc->net_conf.nat_address;
4261         }
4262
4263         error = getnameinfo((struct sockaddr *)&ss, ss_len,
4264                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
4265         if (error) {
4266                 return lc->net_conf.nat_address;
4267         }
4268
4269         if (lc->net_conf.nat_address_ip!=NULL){
4270                 ms_free(lc->net_conf.nat_address_ip);
4271         }
4272         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
4273         return lc->net_conf.nat_address_ip;
4274 }
4275
4276 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
4277 #ifndef BUILD_UPNP
4278         if(pol == LinphonePolicyUseUpnp) {
4279                 ms_warning("UPNP is not available, reset firewall policy to no firewall");
4280                 pol = LinphonePolicyNoFirewall;
4281         }
4282 #endif //BUILD_UPNP
4283         lc->net_conf.firewall_policy=pol;
4284 #ifdef BUILD_UPNP
4285         if(pol == LinphonePolicyUseUpnp) {
4286                 if(lc->upnp == NULL) {
4287                         lc->upnp = linphone_upnp_context_new(lc);
4288                 }
4289         } else {
4290                 if(lc->upnp != NULL) {
4291                         linphone_upnp_context_destroy(lc->upnp);
4292                         lc->upnp = NULL;
4293                 }
4294         }
4295         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
4296 #endif //BUILD_UPNP
4297         if (lc->sip_conf.contact) update_primary_contact(lc);
4298         if (linphone_core_ready(lc))
4299                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
4300 }
4301
4302 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
4303         return lc->net_conf.firewall_policy;
4304 }
4305
4306 /**
4307  * Get the list of call logs (past calls).
4308  *
4309  * @ingroup call_logs
4310 **/
4311 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
4312         return lc->call_logs;
4313 }
4314
4315 /**
4316  * Erase the call log.
4317  *
4318  * @ingroup call_logs
4319 **/
4320 void linphone_core_clear_call_logs(LinphoneCore *lc){
4321         lc->missed_calls=0;
4322         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4323         lc->call_logs=ms_list_free(lc->call_logs);
4324         call_logs_write_to_config_file(lc);
4325 }
4326
4327 /**
4328  * Returns number of missed calls.
4329  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4330 **/
4331 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4332         return lc->missed_calls;
4333 }
4334
4335 /**
4336  * Resets the counter of missed calls.
4337 **/
4338 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4339         lc->missed_calls=0;
4340 }
4341
4342 /**
4343  * Remove a specific call log from call history list.
4344  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4345  * @param lc the linphone core object
4346  * @param a LinphoneCallLog object.
4347 **/
4348 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4349         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4350         call_logs_write_to_config_file(lc);
4351         linphone_call_log_destroy(cl);
4352 }
4353
4354 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4355 #ifdef VIDEO_ENABLED
4356         if (val){
4357                 if (lc->previewstream==NULL){
4358                         lc->previewstream=video_preview_new();
4359                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4360                         if (lc->video_conf.displaytype)
4361                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4362                         if (lc->preview_window_id!=0)
4363                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4364                         video_preview_start(lc->previewstream,lc->video_conf.device);
4365                 }
4366         }else{
4367                 if (lc->previewstream!=NULL){
4368                         video_preview_stop(lc->previewstream);
4369                         lc->previewstream=NULL;
4370                 }
4371         }
4372 #endif
4373 }
4374
4375 /**
4376  * Enables video globally.
4377  *
4378  * @ingroup media_parameters
4379  * This function does not have any effect during calls. It just indicates LinphoneCore to
4380  * initiate future calls with video or not. The two boolean parameters indicate in which
4381  * direction video is enabled. Setting both to false disables video entirely.
4382  *
4383  * @param lc The LinphoneCore object
4384  * @param vcap_enabled indicates whether video capture is enabled
4385  * @param display_enabled indicates whether video display should be shown
4386  *
4387 **/
4388 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4389 #ifndef VIDEO_ENABLED
4390         if (vcap_enabled || display_enabled)
4391                 ms_warning("This version of linphone was built without video support.");
4392 #endif
4393         lc->video_conf.capture=vcap_enabled;
4394         lc->video_conf.display=display_enabled;
4395         if (linphone_core_ready(lc)){
4396                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4397                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4398         }
4399         /* need to re-apply network bandwidth settings*/
4400         linphone_core_set_download_bandwidth(lc,
4401                 linphone_core_get_download_bandwidth(lc));
4402         linphone_core_set_upload_bandwidth(lc,
4403                 linphone_core_get_upload_bandwidth(lc));
4404 }
4405
4406 bool_t linphone_core_video_supported(LinphoneCore *lc){
4407 #ifdef VIDEO_ENABLED
4408         return TRUE;
4409 #else
4410         return FALSE;
4411 #endif
4412 }
4413
4414 /**
4415  * Returns TRUE if video is enabled, FALSE otherwise.
4416  * @ingroup media_parameters
4417 **/
4418 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4419         return (lc->video_conf.display || lc->video_conf.capture);
4420 }
4421
4422 /**
4423  * Sets the default policy for video.
4424  * This policy defines whether:
4425  * - video shall be initiated by default for outgoing calls
4426  * - video shall be accepter by default for incoming calls
4427  * @ingroup media_parameters
4428 **/
4429 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4430         lc->video_policy=*policy;
4431         if (linphone_core_ready(lc)){
4432                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4433                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4434         }
4435 }
4436
4437 /**
4438  * Get the default policy for video.
4439  * See linphone_core_set_video_policy() for more details.
4440  * @ingroup media_parameters
4441 **/
4442 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4443         return &lc->video_policy;
4444 }
4445
4446 /**
4447  * Controls video preview enablement.
4448  *
4449  * @ingroup media_parameters
4450  * Video preview refers to the action of displaying the local webcam image
4451  * to the user while not in call.
4452 **/
4453 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4454         lc->video_conf.show_local=val;
4455         if (linphone_core_ready(lc))
4456                 lp_config_set_int(lc->config,"video","show_local",val);
4457 }
4458
4459 /**
4460  * Returns TRUE if video previewing is enabled.
4461  * @ingroup media_parameters
4462 **/
4463 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4464         return lc->video_conf.show_local;
4465 }
4466
4467 /**
4468  * Enables or disable self view during calls.
4469  *
4470  * @ingroup media_parameters
4471  * Self-view refers to having local webcam image inserted in corner
4472  * of the video window during calls.
4473  * This function works at any time, including during calls.
4474 **/
4475 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4476 #ifdef VIDEO_ENABLED
4477         LinphoneCall *call=linphone_core_get_current_call (lc);
4478         lc->video_conf.selfview=val;
4479         if (call && call->videostream){
4480                 video_stream_enable_self_view(call->videostream,val);
4481         }
4482         if (linphone_core_ready(lc)){
4483                 lp_config_set_int(lc->config,"video","self_view",val);
4484         }
4485 #endif
4486 }
4487
4488 /**
4489  * Returns TRUE if self-view is enabled, FALSE otherwise.
4490  *
4491  * @ingroup media_parameters
4492  *
4493  * Refer to linphone_core_enable_self_view() for details.
4494 **/
4495 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4496         return lc->video_conf.selfview;
4497 }
4498
4499 /**
4500  * Sets the active video device.
4501  *
4502  * @ingroup media_parameters
4503  * @param lc The LinphoneCore object
4504  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4505 **/
4506 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4507         MSWebCam *olddev=lc->video_conf.device;
4508         const char *vd;
4509         if (id!=NULL){
4510                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4511                 if (lc->video_conf.device==NULL){
4512                         ms_warning("Could not find video device %s",id);
4513                 }
4514         }
4515         if (lc->video_conf.device==NULL)
4516                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4517         if (olddev!=NULL && olddev!=lc->video_conf.device){
4518                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4519         }
4520         if ( linphone_core_ready(lc) && lc->video_conf.device){
4521                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4522                 if (vd && strstr(vd,"Static picture")!=NULL){
4523                         vd=NULL;
4524                 }
4525                 lp_config_set_string(lc->config,"video","device",vd);
4526         }
4527         return 0;
4528 }
4529
4530 /**
4531  * Returns the name of the currently active video device.
4532  *
4533  * @param lc The LinphoneCore object
4534  * @ingroup media_parameters
4535 **/
4536 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4537         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4538         return NULL;
4539 }
4540
4541 #ifdef VIDEO_ENABLED
4542 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4543         VideoStream *vs = NULL;
4544         LinphoneCall *call=linphone_core_get_current_call (lc);
4545         /* Select the video stream from the call in the first place */
4546         if (call && call->videostream) {
4547                 vs = call->videostream;
4548         }
4549         /* If not in call, select the video stream from the preview */
4550         if (vs == NULL && lc->previewstream) {
4551                 vs = lc->previewstream;
4552         }
4553         return vs;
4554 }
4555 #endif
4556
4557 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4558 #ifdef VIDEO_ENABLED
4559         VideoStream *vs=get_active_video_stream(lc);
4560         /* If we have a video stream (either preview, either from call), we
4561                  have a source and it is using the static picture filter, then
4562                  force the filter to use that picture. */
4563         if (vs && vs->source) {
4564                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4565                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4566                                                                                                                 (void *)path);
4567                 }
4568         }
4569         /* Tell the static image filter to use that image from now on so
4570                  that the image will be used next time it has to be read */
4571         ms_static_image_set_default_image(path);
4572 #else
4573         ms_warning("Video support not compiled.");
4574 #endif
4575         return 0;
4576 }
4577
4578 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4579         const char *path=NULL;
4580 #ifdef VIDEO_ENABLED
4581         path=ms_static_image_get_default_image();
4582 #else
4583         ms_warning("Video support not compiled.");
4584 #endif
4585         return path;
4586 }
4587
4588 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4589 #ifdef VIDEO_ENABLED
4590         VideoStream *vs = NULL;
4591
4592         vs=get_active_video_stream(lc);
4593
4594         /* If we have a video stream (either preview, either from call), we
4595                  have a source and it is using the static picture filter, then
4596                  force the filter to use that picture. */
4597         if (vs && vs->source) {
4598                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4599                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4600                 }
4601         }
4602 #else
4603         ms_warning("Video support not compiled.");
4604 #endif
4605         return 0;
4606 }
4607
4608 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4609 #ifdef VIDEO_ENABLED
4610         VideoStream *vs = NULL;
4611         vs=get_active_video_stream(lc);
4612         /* If we have a video stream (either preview, either from call), we
4613                  have a source and it is using the static picture filter, then
4614                  force the filter to use that picture. */
4615         if (vs && vs->source) {
4616                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4617
4618                         float fps;
4619
4620                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4621                         return fps;
4622                 }
4623         }
4624 #else
4625         ms_warning("Video support not compiled.");
4626 #endif
4627         return 0;
4628 }
4629
4630 /**
4631  * Returns the native window handle of the video window, casted as an unsigned long.
4632  *
4633  * @ingroup media_parameters
4634 **/
4635 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4636 #ifdef VIDEO_ENABLED
4637         LinphoneCall *call=linphone_core_get_current_call (lc);
4638         if (call && call->videostream)
4639                 return video_stream_get_native_window_id(call->videostream);
4640         if (lc->previewstream)
4641                 return video_stream_get_native_window_id(lc->previewstream);
4642 #endif
4643         return lc->video_window_id;
4644 }
4645
4646 /**@ingroup media_parameters
4647  * Set the native video window id where the video is to be displayed.
4648  * If not set the core will create its own window.
4649 **/
4650 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4651 #ifdef VIDEO_ENABLED
4652         LinphoneCall *call=linphone_core_get_current_call(lc);
4653         lc->video_window_id=id;
4654         if (call!=NULL && call->videostream){
4655                 video_stream_set_native_window_id(call->videostream,id);
4656         }
4657 #endif
4658 }
4659
4660 /**
4661  * Returns the native window handle of the video preview window, casted as an unsigned long.
4662  *
4663  * @ingroup media_parameters
4664 **/
4665 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4666 #ifdef VIDEO_ENABLED
4667         LinphoneCall *call=linphone_core_get_current_call (lc);
4668         if (call && call->videostream)
4669                 return video_stream_get_native_preview_window_id(call->videostream);
4670         if (lc->previewstream)
4671                 return video_preview_get_native_window_id(lc->previewstream);
4672 #endif
4673         return lc->preview_window_id;
4674 }
4675
4676 /**
4677  * @ingroup media_parameters
4678  * Set the native window id where the preview video (local camera) is to be displayed.
4679  * This has to be used in conjonction with linphone_core_use_preview_window().
4680  * If not set the core will create its own window.
4681 **/
4682 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4683 #ifdef VIDEO_ENABLED
4684         LinphoneCall *call=linphone_core_get_current_call(lc);
4685         lc->preview_window_id=id;
4686         if (call!=NULL && call->videostream){
4687                 video_stream_set_native_preview_window_id(call->videostream,id);
4688         }else if (lc->previewstream){
4689                 video_preview_set_native_window_id(lc->previewstream,id);
4690         }
4691 #endif
4692 }
4693
4694 /**
4695  * Can be used to disable video showing to free XV port
4696 **/
4697 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4698 #ifdef VIDEO_ENABLED
4699         LinphoneCall *call=linphone_core_get_current_call(lc);
4700         ms_error("linphone_core_show_video %d", show);
4701         if (call!=NULL && call->videostream){
4702                 video_stream_show_video(call->videostream,show);
4703         }
4704 #endif
4705 }
4706
4707 /**
4708  * Tells the core to use a separate window for local camera preview video, instead of
4709  * inserting local view within the remote video window.
4710  *
4711 **/
4712 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4713         lc->use_preview_window=yesno;
4714 }
4715 /**
4716  * @ingroup media_parameters
4717  *returns current device orientation
4718  */
4719 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4720         return lc->device_rotation;
4721 }
4722 /**
4723  * @ingroup media_parameters
4724  * Tells the core the device current orientation. This can be used by capture filters
4725  * on mobile devices to select between portrait/landscape mode and to produce properly
4726  * oriented images. The exact meaning of the value in rotation if left to each device
4727  * specific implementations.
4728  *@param lc  object.
4729  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4730  *
4731 **/
4732 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4733         ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4734         lc->device_rotation = rotation;
4735 #ifdef VIDEO_ENABLED
4736         {
4737                 LinphoneCall *call=linphone_core_get_current_call(lc);
4738                 if (call!=NULL && call->videostream){
4739                         video_stream_set_device_rotation(call->videostream,rotation);
4740                 }
4741         }
4742 #endif
4743 }
4744
4745 static MSVideoSizeDef supported_resolutions[]={
4746 #ifdef ENABLE_HD
4747         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4748         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4749 #endif
4750         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4751         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4752         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4753         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4754         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4755         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4756         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4757         {       {0,0}                   ,       NULL    }
4758 };
4759
4760 /**
4761  * Returns the zero terminated table of supported video resolutions.
4762  *
4763  * @ingroup media_parameters
4764 **/
4765 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4766         return supported_resolutions;
4767 }
4768
4769 static MSVideoSize video_size_get_by_name(const char *name){
4770         MSVideoSizeDef *pdef=supported_resolutions;
4771         MSVideoSize null_vsize={0,0};
4772         for(;pdef->name!=NULL;pdef++){
4773                 if (strcasecmp(name,pdef->name)==0){
4774                         return pdef->vsize;
4775                 }
4776         }
4777         ms_warning("Video resolution %s is not supported in linphone.",name);
4778         return null_vsize;
4779 }
4780
4781 static const char *video_size_get_name(MSVideoSize vsize){
4782         MSVideoSizeDef *pdef=supported_resolutions;
4783         for(;pdef->name!=NULL;pdef++){
4784                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4785                         return pdef->name;
4786                 }
4787         }
4788         return NULL;
4789 }
4790
4791 static bool_t video_size_supported(MSVideoSize vsize){
4792         if (video_size_get_name(vsize)) return TRUE;
4793         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4794         return FALSE;
4795 }
4796
4797 /**
4798  * Sets the preferred video size.
4799  *
4800  * @ingroup media_parameters
4801  * This applies only to the stream that is captured and sent to the remote party,
4802  * since we accept all standard video size on the receive path.
4803 **/
4804 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4805         if (video_size_supported(vsize)){
4806                 MSVideoSize oldvsize=lc->video_conf.vsize;
4807                 lc->video_conf.vsize=vsize;
4808                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4809                         toggle_video_preview(lc,FALSE);
4810                         toggle_video_preview(lc,TRUE);
4811                 }
4812                 if ( linphone_core_ready(lc))
4813                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4814         }
4815 }
4816
4817 /**
4818  * Sets the preferred video size by its name.
4819  *
4820  * @ingroup media_parameters
4821  * This is identical to linphone_core_set_preferred_video_size() except
4822  * that it takes the name of the video resolution as input.
4823  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4824 **/
4825 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4826         MSVideoSize vsize=video_size_get_by_name(name);
4827         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4828         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4829         else linphone_core_set_preferred_video_size(lc,default_vsize);
4830 }
4831
4832 /**
4833  * Returns the current preferred video size for sending.
4834  *
4835  * @ingroup media_parameters
4836 **/
4837 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4838         return lc->video_conf.vsize;
4839 }
4840
4841 /**
4842  * Ask the core to stream audio from and to files, instead of using the soundcard.
4843 **/
4844 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4845         lc->use_files=yesno;
4846 }
4847
4848 /**
4849  * Sets a wav file to be played when putting somebody on hold,
4850  * or when files are used instead of soundcards (see linphone_core_use_files()).
4851  *
4852  * The file must be a 16 bit linear wav file.
4853 **/
4854 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4855         LinphoneCall *call=linphone_core_get_current_call(lc);
4856         if (lc->play_file!=NULL){
4857                 ms_free(lc->play_file);
4858                 lc->play_file=NULL;
4859         }
4860         if (file!=NULL) {
4861                 lc->play_file=ms_strdup(file);
4862                 if (call && call->audiostream && call->audiostream->ms.ticker)
4863                         audio_stream_play(call->audiostream,file);
4864         }
4865 }
4866
4867
4868 /**
4869  * Sets a wav file where incoming stream is to be recorded,
4870  * when files are used instead of soundcards (see linphone_core_use_files()).
4871  *
4872  * This feature is different from call recording (linphone_call_params_set_record_file())
4873  * The file will be a 16 bit linear wav file.
4874 **/
4875 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4876         LinphoneCall *call=linphone_core_get_current_call(lc);
4877         if (lc->rec_file!=NULL){
4878                 ms_free(lc->rec_file);
4879                 lc->rec_file=NULL;
4880         }
4881         if (file!=NULL) {
4882                 lc->rec_file=ms_strdup(file);
4883                 if (call && call->audiostream)
4884                         audio_stream_record(call->audiostream,file);
4885         }
4886 }
4887
4888
4889 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4890         LinphoneCall *call=linphone_core_get_current_call (lc);
4891         AudioStream *stream=NULL;
4892         if (call){
4893                 stream=call->audiostream;
4894         }else if (linphone_core_is_in_conference(lc)){
4895                 stream=lc->conf_ctx.local_participant;
4896         }
4897         if (stream){
4898                 return stream->dtmfgen;
4899         }
4900         if (lc->ringstream==NULL){
4901                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4902                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4903                 if (ringcard == NULL)
4904                         return NULL;
4905
4906                 lc->ringstream=ring_start(NULL,0,ringcard);
4907                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4908                 lc->dmfs_playing_start_time=time(NULL);
4909         }else{
4910                 if (lc->dmfs_playing_start_time!=0)
4911                         lc->dmfs_playing_start_time=time(NULL);
4912         }
4913         return lc->ringstream->gendtmf;
4914 }
4915
4916 /**
4917  * @ingroup media_parameters
4918  * Plays a dtmf sound to the local user.
4919  * @param lc #LinphoneCore
4920  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4921  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4922 **/
4923 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4924         MSFilter *f=get_dtmf_gen(lc);
4925         if (f==NULL){
4926                 ms_error("No dtmf generator at this time !");
4927                 return;
4928         }
4929
4930         if (duration_ms>0)
4931                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4932         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4933 }
4934
4935 void linphone_core_play_named_tone(LinphoneCore *lc, LinphoneToneID toneid){
4936         if (linphone_core_tone_indications_enabled(lc)){
4937                 MSFilter *f=get_dtmf_gen(lc);
4938                 MSDtmfGenCustomTone def;
4939                 if (f==NULL){
4940                         ms_error("No dtmf generator at this time !");
4941                         return;
4942                 }
4943                 memset(&def,0,sizeof(def));
4944                 def.amplitude=1;
4945                 /*these are french tones, excepted the failed one, which is USA congestion tone (does not exist in France)*/
4946                 switch(toneid){
4947                         case LinphoneToneCallOnHold:
4948                         case LinphoneToneCallWaiting:
4949                                 def.duration=300;
4950                                 def.frequencies[0]=440;
4951                                 def.interval=2000;
4952                         break;
4953                         case LinphoneToneBusy:
4954                                 def.duration=500;
4955                                 def.frequencies[0]=440;
4956                                 def.interval=500;
4957                                 def.repeat_count=3;
4958                         break;
4959                         case LinphoneToneCallFailed:
4960                                 def.duration=250;
4961                                 def.frequencies[0]=480;
4962                                 def.frequencies[0]=620;
4963                                 def.interval=250;
4964                                 def.repeat_count=3;
4965
4966                         break;
4967                         default:
4968                                 ms_warning("Unhandled tone id.");
4969                 }
4970                 if (def.duration>0)
4971                         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4972         }
4973 }
4974
4975 /**
4976  * @ingroup media_parameters
4977  *
4978  * Stops playing a dtmf started by linphone_core_play_dtmf().
4979 **/
4980 void linphone_core_stop_dtmf(LinphoneCore *lc){
4981         MSFilter *f=get_dtmf_gen(lc);
4982         if (f!=NULL)
4983                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4984 }
4985
4986
4987
4988 /**
4989  * Retrieves the user pointer that was given to linphone_core_new()
4990  *
4991  * @ingroup initializing
4992 **/
4993 void *linphone_core_get_user_data(LinphoneCore *lc){
4994         return lc->data;
4995 }
4996
4997
4998 /**
4999  * Associate a user pointer to the linphone core.
5000  *
5001  * @ingroup initializing
5002 **/
5003 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
5004         lc->data=userdata;
5005 }
5006
5007 int linphone_core_get_mtu(const LinphoneCore *lc){
5008         return lc->net_conf.mtu;
5009 }
5010
5011 /**
5012  * Sets the maximum transmission unit size in bytes.
5013  * This information is useful for sending RTP packets.
5014  * Default value is 1500.
5015  *
5016  * @ingroup media_parameters
5017 **/
5018 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
5019         lc->net_conf.mtu=mtu;
5020         if (mtu>0){
5021                 if (mtu<500){
5022                         ms_error("MTU too small !");
5023                         mtu=500;
5024                 }
5025                 ms_set_mtu(mtu);
5026                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
5027         }else ms_set_mtu(0);//use mediastreamer2 default value
5028 }
5029
5030 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
5031         lc->wait_cb=cb;
5032         lc->wait_ctx=user_context;
5033 }
5034
5035 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
5036         if (lc->wait_cb){
5037                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
5038         }
5039 }
5040
5041 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
5042         if (lc->wait_cb){
5043                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
5044         }else{
5045 #ifdef WIN32
5046                 Sleep(50000);
5047 #else
5048                 usleep(50000);
5049 #endif
5050         }
5051 }
5052
5053 void linphone_core_stop_waiting(LinphoneCore *lc){
5054         if (lc->wait_cb){
5055                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
5056         }
5057 }
5058
5059 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
5060         lc->rtptf=factories;
5061 }
5062
5063 /**
5064  * Retrieve RTP statistics regarding current call.
5065  * @param local RTP statistics computed locally.
5066  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
5067  *
5068  * @note Remote RTP statistics is not implemented yet.
5069  *
5070  * @returns 0 or -1 if no call is running.
5071 **/
5072
5073 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
5074         LinphoneCall *call=linphone_core_get_current_call (lc);
5075         if (call!=NULL){
5076                 if (call->audiostream!=NULL){
5077                         memset(remote,0,sizeof(*remote));
5078                         audio_stream_get_local_rtp_stats (call->audiostream,local);
5079                         return 0;
5080                 }
5081         }
5082         return -1;
5083 }
5084
5085 void net_config_uninit(LinphoneCore *lc)
5086 {
5087         net_config_t *config=&lc->net_conf;
5088
5089         if (config->stun_server!=NULL){
5090                 ms_free(lc->net_conf.stun_server);
5091         }
5092         if (config->nat_address!=NULL){
5093                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
5094                 ms_free(lc->net_conf.nat_address);
5095         }
5096         if (lc->net_conf.nat_address_ip !=NULL){
5097                 ms_free(lc->net_conf.nat_address_ip);
5098         }
5099         lp_config_set_int(lc->config,"net","mtu",config->mtu);
5100 }
5101
5102
5103 void sip_config_uninit(LinphoneCore *lc)
5104 {
5105         MSList *elem;
5106         int i;
5107         sip_config_t *config=&lc->sip_conf;
5108
5109         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
5110         lp_config_set_string(lc->config,"sip","contact",config->contact);
5111         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
5112         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
5113         lp_config_set_int(lc->config,"sip","delayed_timeout",config->delayed_timeout);
5114         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
5115         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
5116         lp_config_set_int(lc->config,"sip","register_only_when_upnp_is_ok",config->register_only_when_upnp_is_ok);
5117
5118
5119
5120         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
5121                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
5122                 linphone_proxy_config_edit(cfg);        /* to unregister */
5123         }
5124
5125         for (i=0;i<20;i++){
5126                 sal_iterate(lc->sal);
5127 #ifndef WIN32
5128                 usleep(100000);
5129 #else
5130                 Sleep(100);
5131 #endif
5132         }
5133
5134         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
5135         ms_list_free(config->proxies);
5136         config->proxies=NULL;
5137
5138         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
5139
5140         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
5141         ms_list_free(lc->auth_info);
5142         lc->auth_info=NULL;
5143
5144         sal_uninit(lc->sal);
5145         lc->sal=NULL;
5146
5147         if (lc->sip_conf.guessed_contact)
5148                 ms_free(lc->sip_conf.guessed_contact);
5149         if (config->contact)
5150                 ms_free(config->contact);
5151
5152 }
5153
5154 void rtp_config_uninit(LinphoneCore *lc)
5155 {
5156         rtp_config_t *config=&lc->rtp_conf;
5157         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
5158                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
5159         } else {
5160                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
5161         }
5162         if (config->video_rtp_min_port == config->video_rtp_max_port) {
5163                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
5164         } else {
5165                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
5166         }
5167         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
5168         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
5169         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
5170         lp_config_set_int(lc->config,"rtp","audio_adaptive_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
5171         lp_config_set_int(lc->config,"rtp","video_adaptive_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
5172 }
5173
5174 static void sound_config_uninit(LinphoneCore *lc)
5175 {
5176         sound_config_t *config=&lc->sound_conf;
5177         ms_free(config->cards);
5178
5179         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
5180         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
5181         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
5182
5183         if (config->local_ring) ms_free(config->local_ring);
5184         if (config->remote_ring) ms_free(config->remote_ring);
5185         ms_snd_card_manager_destroy();
5186 }
5187
5188 static void video_config_uninit(LinphoneCore *lc)
5189 {
5190         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
5191         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
5192         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
5193         if (lc->video_conf.cams)
5194                 ms_free(lc->video_conf.cams);
5195 }
5196
5197 void _linphone_core_codec_config_write(LinphoneCore *lc){
5198         if (linphone_core_ready(lc)){
5199                 PayloadType *pt;
5200                 codecs_config_t *config=&lc->codecs_conf;
5201                 MSList *node;
5202                 char key[50];
5203                 int index;
5204                 index=0;
5205                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
5206                         pt=(PayloadType*)(node->data);
5207                         sprintf(key,"audio_codec_%i",index);
5208                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5209                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5210                         lp_config_set_int(lc->config,key,"channels",pt->channels);
5211                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5212                         index++;
5213                 }
5214                 sprintf(key,"audio_codec_%i",index);
5215                 lp_config_clean_section (lc->config,key);
5216
5217                 index=0;
5218                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
5219                         pt=(PayloadType*)(node->data);
5220                         sprintf(key,"video_codec_%i",index);
5221                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5222                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5223                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5224                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
5225                         index++;
5226                 }
5227                 sprintf(key,"video_codec_%i",index);
5228                 lp_config_clean_section (lc->config,key);
5229         }
5230 }
5231
5232 static void codecs_config_uninit(LinphoneCore *lc)
5233 {
5234         _linphone_core_codec_config_write(lc);
5235         ms_list_free(lc->codecs_conf.audio_codecs);
5236         ms_list_free(lc->codecs_conf.video_codecs);
5237 }
5238
5239 void ui_config_uninit(LinphoneCore* lc)
5240 {
5241         if (lc->friends){
5242                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
5243                 ms_list_free(lc->friends);
5244                 lc->friends=NULL;
5245         }
5246 }
5247
5248 /**
5249  * Returns the LpConfig object used to manage the storage (config) file.
5250  *
5251  * @ingroup misc
5252  * The application can use the LpConfig object to insert its own private
5253  * sections and pairs of key=value in the configuration file.
5254  *
5255 **/
5256 LpConfig *linphone_core_get_config(LinphoneCore *lc){
5257         return lc->config;
5258 }
5259
5260 static void linphone_core_uninit(LinphoneCore *lc)
5261 {
5262         linphone_core_free_hooks(lc);
5263         while(lc->calls)
5264         {
5265                 LinphoneCall *the_call = lc->calls->data;
5266                 linphone_core_terminate_call(lc,the_call);
5267                 linphone_core_iterate(lc);
5268 #ifdef WIN32
5269                 Sleep(50000);
5270 #else
5271                 usleep(50000);
5272 #endif
5273         }
5274 #ifdef BUILD_UPNP
5275         if(lc->upnp != NULL) {
5276                 linphone_upnp_context_destroy(lc->upnp);
5277                 lc->upnp = NULL;
5278         }
5279 #endif //BUILD_UPNP
5280
5281         if (lc->friends)
5282                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
5283         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
5284 #ifdef VIDEO_ENABLED
5285         if (lc->previewstream!=NULL){
5286                 video_preview_stop(lc->previewstream);
5287                 lc->previewstream=NULL;
5288         }
5289 #endif
5290         ms_event_queue_destroy(lc->msevq);
5291         lc->msevq=NULL;
5292         /* save all config */
5293         net_config_uninit(lc);
5294         rtp_config_uninit(lc);
5295         if (lc->ringstream) ring_stop(lc->ringstream);
5296         sound_config_uninit(lc);
5297         video_config_uninit(lc);
5298         codecs_config_uninit(lc);
5299         ui_config_uninit(lc);
5300         sip_config_uninit(lc);
5301         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
5302         lp_config_destroy(lc->config);
5303         lc->config = NULL; /* Mark the config as NULL to block further calls */
5304         sip_setup_unregister_all();
5305
5306         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
5307         lc->call_logs=ms_list_free(lc->call_logs);
5308
5309         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
5310         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
5311
5312         // Free struct variable
5313         if(lc->zrtp_secrets_cache != NULL) {
5314                 ms_free(lc->zrtp_secrets_cache);
5315         }
5316         if(lc->play_file!=NULL){
5317                 ms_free(lc->play_file);
5318         }
5319         if(lc->rec_file!=NULL){
5320                 ms_free(lc->rec_file);
5321         }
5322
5323         linphone_core_free_payload_types(lc);
5324
5325         linphone_core_message_storage_close(lc);
5326         ortp_exit();
5327         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
5328 #ifdef TUNNEL_ENABLED
5329         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
5330 #endif
5331 }
5332
5333 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
5334         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
5335         // second get the list of available proxies
5336         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5337         for(;elem!=NULL;elem=elem->next){
5338                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5339                 if (linphone_proxy_config_register_enabled(cfg) ) {
5340                         if (!isReachable) {
5341                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
5342                         }else{
5343                                 cfg->commit=TRUE;
5344                         }
5345                 }
5346         }
5347         lc->netup_time=curtime;
5348         lc->network_reachable=isReachable;
5349
5350         if(!isReachable) {
5351                 sal_reset_transports(lc->sal);
5352         }
5353 #ifdef BUILD_UPNP
5354         if(lc->upnp == NULL) {
5355                 if(isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5356                         lc->upnp = linphone_upnp_context_new(lc);
5357                 }
5358         } else {
5359                 if(!isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5360                         linphone_upnp_context_destroy(lc->upnp);
5361                         lc->upnp = NULL;
5362                 }
5363         }
5364 #endif
5365 }
5366
5367 void linphone_core_refresh_registers(LinphoneCore* lc) {
5368         const MSList *elem;
5369         if (!lc->network_reachable) {
5370                 ms_warning("Refresh register operation not available (network unreachable)");
5371                 return;
5372         }
5373         elem=linphone_core_get_proxy_config_list(lc);
5374         for(;elem!=NULL;elem=elem->next){
5375                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5376                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
5377                         linphone_proxy_config_refresh_register(cfg);
5378                 }
5379         }
5380 }
5381
5382 void __linphone_core_invalidate_registers(LinphoneCore* lc){
5383         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5384         for(;elem!=NULL;elem=elem->next){
5385                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5386                 if (linphone_proxy_config_register_enabled(cfg)) {
5387                         linphone_proxy_config_edit(cfg);
5388                         linphone_proxy_config_done(cfg);
5389                 }
5390         }
5391 }
5392
5393 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5394         //first disable automatic mode
5395         if (lc->auto_net_state_mon) {
5396                 ms_message("Disabling automatic network state monitoring");
5397                 lc->auto_net_state_mon=FALSE;
5398         }
5399         set_network_reachable(lc,isReachable, ms_time(NULL));
5400 }
5401
5402 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5403         return lc->network_reachable;
5404 }
5405 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5406         return sal_get_socket(lc->sal);
5407 }
5408 /**
5409  * Destroys a LinphoneCore
5410  *
5411  * @ingroup initializing
5412 **/
5413 void linphone_core_destroy(LinphoneCore *lc){
5414         linphone_core_uninit(lc);
5415         ms_free(lc);
5416 }
5417 /**
5418  * Get the number of Call
5419  *
5420  * @ingroup call_control
5421 **/
5422 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5423         return  ms_list_size(lc->calls);;
5424 }
5425
5426 /**
5427  * Check if we do not have exceed the number of simultaneous call
5428  *
5429  * @ingroup call_control
5430 **/
5431 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5432 {
5433         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5434                 return TRUE;
5435         ms_message("Maximum amount of simultaneous calls reached !");
5436         return FALSE;
5437 }
5438
5439
5440 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5441 {
5442         if(linphone_core_can_we_add_call(lc))
5443         {
5444                 lc->calls = ms_list_append(lc->calls,call);
5445                 return 0;
5446         }
5447         return -1;
5448 }
5449
5450 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5451 {
5452         MSList *it;
5453         MSList *the_calls = lc->calls;
5454
5455         it=ms_list_find(the_calls,call);
5456         if (it)
5457         {
5458                 the_calls = ms_list_remove_link(the_calls,it);
5459         }
5460         else
5461         {
5462                 ms_warning("could not find the call into the list\n");
5463                 return -1;
5464         }
5465         lc->calls = the_calls;
5466         return 0;
5467 }
5468
5469 /**
5470  * Specifiies a ring back tone to be played to far end during incoming calls.
5471 **/
5472 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5473         if (lc->sound_conf.ringback_tone){
5474                 ms_free(lc->sound_conf.ringback_tone);
5475                 lc->sound_conf.ringback_tone=NULL;
5476         }
5477         if (file)
5478                 lc->sound_conf.ringback_tone=ms_strdup(file);
5479 }
5480
5481 /**
5482  * Returns the ring back tone played to far end during incoming calls.
5483 **/
5484 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5485         return lc->sound_conf.ringback_tone;
5486 }
5487
5488 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5489         const MSList *elem;
5490         for(elem=from;elem!=NULL;elem=elem->next){
5491                 PayloadType *pt=(PayloadType*)elem->data;
5492                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5493                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5494                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5495                         return pt;
5496                 }
5497         }
5498         return NULL;
5499 }
5500
5501
5502 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5503         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5504         if (result)  {
5505                 return result;
5506         } else {
5507                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5508                 if (result) {
5509                         return result;
5510                 }
5511         }
5512         /*not found*/
5513         return NULL;
5514 }
5515
5516 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5517         switch(gs){
5518                 case LinphoneGlobalOff:
5519                         return "LinphoneGlobalOff";
5520                 break;
5521                 case LinphoneGlobalOn:
5522                         return "LinphoneGlobalOn";
5523                 break;
5524                 case LinphoneGlobalStartup:
5525                         return "LinphoneGlobalStartup";
5526                 break;
5527                 case LinphoneGlobalShutdown:
5528                         return "LinphoneGlobalShutdown";
5529                 break;
5530         }
5531         return NULL;
5532 }
5533
5534 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5535         return lc->state;
5536 }
5537
5538 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5539         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5540         linphone_core_init_default_params(lc, p);
5541         return p;
5542 }
5543
5544 const char *linphone_reason_to_string(LinphoneReason err){
5545         switch(err){
5546                 case LinphoneReasonNone:
5547                         return "No error";
5548                 case LinphoneReasonNoResponse:
5549                         return "No response";
5550                 case LinphoneReasonBadCredentials:
5551                         return "Bad credentials";
5552                 case LinphoneReasonDeclined:
5553                         return "Call declined";
5554                 case LinphoneReasonNotFound:
5555                         return "User not found";
5556                 case LinphoneReasonNotAnswered:
5557                         return "Not answered";
5558                 case LinphoneReasonBusy:
5559                         return "Busy";
5560         }
5561         return "unknown error";
5562 }
5563
5564 const char *linphone_error_to_string(LinphoneReason err){
5565         return linphone_reason_to_string(err);
5566 }
5567 /**
5568  * Enables signaling keep alive
5569  */
5570 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5571 #ifdef BUILD_UPNP
5572         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp) {
5573                 enable = FALSE;
5574         }
5575 #endif //BUILD_UPNP
5576         if (enable > 0) {
5577                 sal_use_tcp_tls_keepalive(lc->sal,lc->sip_conf.tcp_tls_keepalive);
5578                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5579         } else {
5580                 sal_set_keepalive_period(lc->sal,0);
5581         }
5582 }
5583 /**
5584  * Is signaling keep alive enabled
5585  */
5586 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5587         return sal_get_keepalive_period(lc->sal) > 0;
5588 }
5589
5590 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5591         get_dtmf_gen(lc); /*make sure ring stream is started*/
5592         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5593 }
5594
5595 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5596         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5597                 ring_stop(lc->ringstream);
5598                 lc->ringstream=NULL;
5599         }
5600 }
5601
5602 int linphone_core_get_max_calls(LinphoneCore *lc) {
5603         return lc->max_calls;
5604 }
5605 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5606         lc->max_calls=max;
5607 }
5608
5609 typedef struct Hook{
5610         LinphoneCoreIterateHook fun;
5611         void *data;
5612 }Hook;
5613
5614 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5615         Hook *h=ms_new(Hook,1);
5616         h->fun=hook;
5617         h->data=hook_data;
5618         return h;
5619 }
5620
5621 static void hook_invoke(Hook *h){
5622         h->fun(h->data);
5623 }
5624
5625 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5626         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5627 }
5628
5629 static void linphone_core_run_hooks(LinphoneCore *lc){
5630         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5631 }
5632
5633 static void linphone_core_free_hooks(LinphoneCore *lc){
5634         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5635         ms_list_free(lc->hooks);
5636         lc->hooks=NULL;
5637 }
5638
5639 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5640         MSList *elem;
5641         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5642                 Hook *h=(Hook*)elem->data;
5643                 if (h->fun==hook && h->data==hook_data){
5644                         lc->hooks = ms_list_remove_link(lc->hooks,elem);
5645                         ms_free(h);
5646                         return;
5647                 }
5648         }
5649         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5650 }
5651
5652 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5653         if (lc->zrtp_secrets_cache != NULL) {
5654                 ms_free(lc->zrtp_secrets_cache);
5655         }
5656         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5657 }
5658
5659 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5660         return lc->zrtp_secrets_cache;
5661 }
5662
5663 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5664         if (uri == NULL) return NULL;
5665         MSList *calls=lc->calls;
5666         while(calls) {
5667                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5668                 calls=calls->next;
5669                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5670                 char *current_uri=linphone_address_as_string_uri_only(address);
5671                 if (strcmp(uri,current_uri)==0) {
5672                         ms_free(current_uri);
5673                         return c;
5674                 } else {
5675                         ms_free(current_uri);
5676                 }
5677         }
5678         return NULL;
5679 }
5680
5681
5682 /**
5683  * Check if a call will need the sound resources.
5684  *
5685  * @ingroup call_control
5686  * @param lc The LinphoneCore
5687 **/
5688 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5689         MSList *calls=lc->calls;
5690         while(calls) {
5691                 LinphoneCall *c=(LinphoneCall*)calls->data;
5692                 calls=calls->next;
5693                 switch (c->state) {
5694                         case LinphoneCallOutgoingInit:
5695                         case LinphoneCallOutgoingProgress:
5696                         case LinphoneCallOutgoingRinging:
5697                         case LinphoneCallOutgoingEarlyMedia:
5698                         case LinphoneCallConnected:
5699                         case LinphoneCallRefered:
5700                         case LinphoneCallIncomingEarlyMedia:
5701                         case LinphoneCallUpdating:
5702                                 return TRUE;
5703                         default:
5704                                 break;
5705                 }
5706         }
5707         return FALSE;
5708 }
5709
5710 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5711         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5712 }
5713
5714 /**
5715  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5716 **/
5717 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5718         switch(menc){
5719                 case LinphoneMediaEncryptionSRTP:
5720                         return ortp_srtp_supported();
5721                 case LinphoneMediaEncryptionZRTP:
5722                         return ortp_zrtp_available();
5723                 case LinphoneMediaEncryptionNone:
5724                         return TRUE;
5725         }
5726         return FALSE;
5727 }
5728
5729 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5730         const char *type="none";
5731         int ret=0;
5732         if (menc == LinphoneMediaEncryptionSRTP){
5733                 if (!ortp_srtp_supported()){
5734                         ms_warning("SRTP not supported by library.");
5735                         type="none";
5736                         ret=-1;
5737                 }else type="srtp";
5738         }else if (menc == LinphoneMediaEncryptionZRTP){
5739                 if (!ortp_zrtp_available()){
5740                         ms_warning("ZRTP not supported by library.");
5741                         type="none";
5742                         ret=-1;
5743                 }else type="zrtp";
5744         }
5745         lp_config_set_string(lc->config,"sip","media_encryption",type);
5746         return ret;
5747 }
5748
5749 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5750         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5751
5752         if (menc == NULL)
5753                 return LinphoneMediaEncryptionNone;
5754         else if (strcmp(menc, "srtp")==0)
5755                 return LinphoneMediaEncryptionSRTP;
5756         else if (strcmp(menc, "zrtp")==0)
5757                 return LinphoneMediaEncryptionZRTP;
5758         else
5759                 return LinphoneMediaEncryptionNone;
5760 }
5761
5762 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5763         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5764 }
5765
5766 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5767         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5768 }
5769
5770 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5771         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5772         params->media_encryption=linphone_core_get_media_encryption(lc);
5773         params->in_conference=FALSE;
5774 }
5775
5776 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5777         if (lc->device_id) ms_free(lc->device_id);
5778         lc->device_id=ms_strdup(device_id);
5779 }
5780 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5781         return lc->device_id;
5782 }
5783
5784 /**
5785  * Set the DSCP field for SIP signaling channel.
5786  *
5787  * @ingroup network_parameters
5788  * * The DSCP defines the quality of service in IP packets.
5789  *
5790 **/
5791 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5792         sal_set_dscp(lc->sal,dscp);
5793         if (linphone_core_ready(lc)){
5794                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5795                 apply_transports(lc);
5796         }
5797 }
5798
5799 /**
5800  * Get the DSCP field for SIP signaling channel.
5801  *
5802  * @ingroup network_parameters
5803  * * The DSCP defines the quality of service in IP packets.
5804  *
5805 **/
5806 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5807         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5808 }
5809
5810 /**
5811  * Set the DSCP field for outgoing audio streams.
5812  *
5813  * @ingroup network_parameters
5814  * The DSCP defines the quality of service in IP packets.
5815  *
5816 **/
5817 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5818         if (linphone_core_ready(lc))
5819                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5820 }
5821
5822 /**
5823  * Get the DSCP field for outgoing audio streams.
5824  *
5825  * @ingroup network_parameters
5826  * The DSCP defines the quality of service in IP packets.
5827  *
5828 **/
5829 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5830         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5831 }
5832
5833 /**
5834  * Set the DSCP field for outgoing video streams.
5835  *
5836  * @ingroup network_parameters
5837  * The DSCP defines the quality of service in IP packets.
5838  *
5839 **/
5840 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5841         if (linphone_core_ready(lc))
5842                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5843
5844 }
5845
5846 /**
5847  * Get the DSCP field for outgoing video streams.
5848  *
5849  * @ingroup network_parameters
5850  * The DSCP defines the quality of service in IP packets.
5851  *
5852 **/
5853 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5854         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5855 }
5856
5857
5858 /**
5859  * Sets the database filename where chat messages will be stored.
5860  * If the file does not exist, it will be created.
5861  * @ingroup initializing
5862  * @param lc the linphone core
5863  * @param path filesystem path
5864 **/
5865 void linphone_core_set_chat_database_path(LinphoneCore *lc, const char *path){
5866         if (lc->chat_db_file){
5867                 ms_free(lc->chat_db_file);
5868                 lc->chat_db_file=NULL;
5869         }
5870         if (path) {
5871                 lc->chat_db_file=ms_strdup(path);
5872                 linphone_core_message_storage_init(lc);
5873         }
5874 }
5875
5876