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