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